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authorIan Wisbon <ian.wisbon@timesys.com>2011-02-10 17:15:15 -0500
committerIan Wisbon <ian.wisbon@timesys.com>2011-02-10 17:15:15 -0500
commita9d2ba1444b0af6c2d8534f0b306660ffc045bc6 (patch)
tree79b396bf70ae3795e6ee9a3b645e64f7e29474e7 /drivers
parenteffff5718c380983788fe6c380671c18e15ac7c2 (diff)
Linux 2.6.31 Release for Digi ConnectCore Wi-i.MX boards2.6.31-digi-201102101717
Diffstat (limited to 'drivers')
-rw-r--r--drivers/Kconfig2
-rw-r--r--drivers/Makefile1
-rw-r--r--drivers/ata/Kconfig17
-rw-r--r--drivers/ata/Makefile3
-rw-r--r--drivers/ata/ahci.c2063
-rw-r--r--drivers/ata/libata-core.c36
-rw-r--r--drivers/ata/pata_fsl.c5
-rw-r--r--drivers/ata/pata_pcmcia.c2
-rw-r--r--drivers/char/Kconfig18
-rw-r--r--drivers/char/Makefile1
-rw-r--r--drivers/char/hw_random/fsl-rngc.c48
-rw-r--r--drivers/crypto/Kconfig2
-rw-r--r--drivers/crypto/dcp.c253
-rw-r--r--drivers/crypto/dcp.h7
-rw-r--r--drivers/dma/Kconfig9
-rw-r--r--drivers/dma/Makefile1
-rw-r--r--drivers/i2c/busses/i2c-mxs.c45
-rw-r--r--drivers/i2c/busses/i2c-mxs.h1
-rw-r--r--drivers/input/evdev.c29
-rw-r--r--drivers/input/keyboard/Makefile2
-rw-r--r--drivers/input/keyboard/mxc_keyb.c239
-rw-r--r--drivers/input/misc/mma7455l.c2
-rw-r--r--drivers/input/touchscreen/ads7846.c1157
-rw-r--r--drivers/input/touchscreen/mxc_ts.c58
-rw-r--r--drivers/leds/leds-mxs-pwm.c25
-rw-r--r--drivers/media/video/Kconfig11
-rw-r--r--drivers/media/video/Makefile1
-rw-r--r--drivers/media/video/mxc/capture/Kconfig18
-rw-r--r--drivers/media/video/mxc/capture/Makefile2
-rw-r--r--drivers/media/video/mxc/capture/adv7180.c67
-rw-r--r--drivers/media/video/mxc/capture/csi_v4l2_capture.c12
-rw-r--r--drivers/media/video/mxc/capture/emma_v4l2_capture.c17
-rw-r--r--drivers/media/video/mxc/capture/ipu_csi_enc.c69
-rw-r--r--drivers/media/video/mxc/capture/ipu_prp_enc.c11
-rw-r--r--drivers/media/video/mxc/capture/ipu_prp_vf_sdc_bg.c2
-rw-r--r--drivers/media/video/mxc/capture/ipu_still.c65
-rw-r--r--drivers/media/video/mxc/capture/mt9v111.c1085
-rw-r--r--drivers/media/video/mxc/capture/mt9v111.h8
-rw-r--r--drivers/media/video/mxc/capture/mx27_prpsw.c4
-rw-r--r--drivers/media/video/mxc/capture/mxc_v4l2_capture.c565
-rw-r--r--drivers/media/video/mxc/capture/mxc_v4l2_capture.h6
-rw-r--r--drivers/media/video/mxc/capture/ov3640.c87
-rw-r--r--drivers/media/video/mxc/output/Makefile3
-rw-r--r--drivers/media/video/mxc/output/mxc_v4l2_output.c1241
-rw-r--r--drivers/media/video/mxc/output/mxc_v4l2_output.h12
-rw-r--r--drivers/media/video/mxs_pxp.c8
-rw-r--r--drivers/media/video/uvc/uvc_video.c4
-rw-r--r--drivers/media/video/videobuf-dma-contig.c2
-rw-r--r--drivers/misc/Kconfig12
-rw-r--r--drivers/misc/Makefile3
-rw-r--r--drivers/mmc/core/Kconfig4
-rw-r--r--drivers/mmc/core/core.c405
-rw-r--r--drivers/mmc/core/core.h10
-rw-r--r--drivers/mmc/core/host.c6
-rw-r--r--drivers/mmc/core/host.h2
-rw-r--r--drivers/mmc/core/mmc.c407
-rw-r--r--drivers/mmc/core/mmc_ops.c36
-rw-r--r--drivers/mmc/core/mmc_ops.h1
-rw-r--r--drivers/mmc/core/sd.c52
-rw-r--r--drivers/mmc/core/sdio.c196
-rw-r--r--drivers/mmc/core/sdio_io.c49
-rw-r--r--drivers/mmc/core/sdio_ops.c112
-rw-r--r--drivers/mmc/core/sdio_ops.h1
-rw-r--r--drivers/mmc/host/mx_sdhci.c127
-rw-r--r--drivers/mmc/host/mx_sdhci.h17
-rw-r--r--drivers/mmc/host/mxc_mmc.c4
-rw-r--r--drivers/mmc/host/mxs-mmc.c92
-rw-r--r--drivers/mtd/devices/mxc_dataflash.c4
-rw-r--r--drivers/mtd/nand/Kconfig46
-rw-r--r--drivers/mtd/nand/Makefile4
-rw-r--r--drivers/mtd/nand/mxc_nd2.c292
-rw-r--r--drivers/mtd/nand/mxc_nd2.h85
-rw-r--r--drivers/mtd/nand/nand_device_info.c8
-rw-r--r--drivers/mxc/Kconfig1
-rw-r--r--drivers/mxc/Makefile1
-rw-r--r--drivers/mxc/ipu/ipu_common.c32
-rw-r--r--drivers/mxc/ipu/ipu_csi.c9
-rw-r--r--drivers/mxc/ipu/ipu_device.c1
-rw-r--r--drivers/mxc/ipu/ipu_ic.c6
-rw-r--r--drivers/mxc/ipu/pf/mxc_pf.c1
-rw-r--r--drivers/mxc/ipu3/ipu_calc_stripes_sizes.c2
-rw-r--r--drivers/mxc/ipu3/ipu_capture.c130
-rw-r--r--drivers/mxc/ipu3/ipu_common.c184
-rw-r--r--drivers/mxc/ipu3/ipu_device.c25
-rw-r--r--drivers/mxc/ipu3/ipu_disp.c364
-rw-r--r--drivers/mxc/ipu3/ipu_ic.c39
-rw-r--r--drivers/mxc/ipu3/ipu_param_mem.h55
-rw-r--r--drivers/mxc/ipu3/ipu_prv.h4
-rw-r--r--drivers/mxc/ipu3/ipu_regs.h11
-rw-r--r--drivers/mxc/mlb/Kconfig2
-rw-r--r--drivers/mxc/pmic/core/mc13892.c3
-rw-r--r--drivers/mxc/pmic/core/pmic.h5
-rw-r--r--drivers/mxc/pmic/mc13892/pmic_adc.c321
-rw-r--r--drivers/mxc/pmic/mc13892/pmic_battery.c59
-rw-r--r--drivers/mxc/security/Kconfig1
-rw-r--r--drivers/mxc/security/sahara2/fsl_shw_auth.c4
-rw-r--r--drivers/mxc/security/scc2_driver.c2
-rw-r--r--drivers/mxc/vpu/mxc_vpu.c47
-rw-r--r--drivers/net/Kconfig7
-rw-r--r--drivers/net/Makefile1
-rw-r--r--drivers/net/can/Kconfig4
-rw-r--r--drivers/net/can/flexcan/dev.c112
-rw-r--r--drivers/net/can/flexcan/flexcan.h31
-rw-r--r--drivers/net/can/flexcan/mbm.c74
-rw-r--r--drivers/net/enc28j60.c18
-rw-r--r--drivers/net/fec.c62
-rw-r--r--drivers/net/fec_1588.c155
-rw-r--r--drivers/net/fec_1588.h51
-rw-r--r--drivers/net/phy/mdio_bus.c72
-rw-r--r--drivers/net/phy/phy.c4
-rw-r--r--drivers/net/phy/phy_device.c31
-rw-r--r--drivers/net/smsc911x.c5
-rw-r--r--drivers/net/wireless/ath6kl/os/linux/ar6000_android.c2
-rw-r--r--drivers/power/mxs/Makefile2
-rw-r--r--drivers/power/mxs/ddi_bc_internal.h3
-rw-r--r--drivers/power/mxs/ddi_power_battery.c4
-rw-r--r--drivers/power/mxs/fiq.S6
-rw-r--r--drivers/power/mxs/linux.c19
-rw-r--r--drivers/regulator/Kconfig5
-rw-r--r--drivers/regulator/Makefile1
-rw-r--r--drivers/rtc/Kconfig10
-rw-r--r--drivers/rtc/Makefile1
-rw-r--r--drivers/rtc/rtc-mxc_v2.c104
-rw-r--r--drivers/rtc/rtc-mxs.c2
-rw-r--r--drivers/serial/Kconfig18
-rw-r--r--drivers/serial/mxs-auart.c193
-rw-r--r--drivers/serial/mxs-duart.c31
-rw-r--r--drivers/spi/Kconfig5
-rw-r--r--drivers/spi/Makefile1
-rw-r--r--drivers/spi/mxc_spi.c38
-rw-r--r--drivers/staging/android/binder.c10
-rw-r--r--drivers/staging/android/logger.c7
-rw-r--r--drivers/staging/android/logger.h1
-rw-r--r--drivers/staging/android/lowmemorykiller.c51
-rw-r--r--drivers/uio/uio_pdrv_genirq.c6
-rw-r--r--drivers/usb/class/cdc-acm.c2
-rw-r--r--drivers/usb/core/driver.c5
-rw-r--r--drivers/usb/core/generic.c27
-rw-r--r--drivers/usb/core/hcd.c27
-rw-r--r--drivers/usb/core/hub.c14
-rw-r--r--drivers/usb/gadget/Kconfig10
-rw-r--r--drivers/usb/gadget/Makefile2
-rw-r--r--drivers/usb/gadget/arcotg_udc.c514
-rw-r--r--drivers/usb/gadget/arcotg_udc.h12
-rw-r--r--drivers/usb/gadget/composite.c39
-rw-r--r--drivers/usb/gadget/f_acm.c9
-rw-r--r--drivers/usb/gadget/file_storage.c9
-rw-r--r--drivers/usb/gadget/fsl_updater.c79
-rw-r--r--drivers/usb/gadget/fsl_updater.h1
-rw-r--r--drivers/usb/host/ehci-arc.c280
-rw-r--r--drivers/usb/host/ehci-hub.c1
-rw-r--r--drivers/usb/otg/fsl_otg.c233
-rw-r--r--drivers/video/modedb.c5
-rw-r--r--drivers/video/mxc/Kconfig51
-rw-r--r--drivers/video/mxc/Makefile6
-rwxr-xr-xdrivers/video/mxc/ccwmx51_display.c78
-rw-r--r--drivers/video/mxc/mxc_ipuv3_fb.c510
-rw-r--r--drivers/video/mxc/mxcfb_claa_wvga.c12
-rw-r--r--drivers/video/mxc/tve.c140
-rw-r--r--drivers/video/mxs/Kconfig6
-rw-r--r--drivers/video/mxs/Makefile2
-rw-r--r--drivers/watchdog/mxc_wdt.c2
162 files changed, 8427 insertions, 5406 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 48bbdbe43e69..5dacbbd42483 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -90,6 +90,8 @@ source "drivers/memstick/Kconfig"
source "drivers/leds/Kconfig"
+source "drivers/switch/Kconfig"
+
source "drivers/accessibility/Kconfig"
source "drivers/infiniband/Kconfig"
diff --git a/drivers/Makefile b/drivers/Makefile
index 4a9a1c55b598..c19a0c18e5ed 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -95,6 +95,7 @@ obj-$(CONFIG_ARCH_MXC) += mxc/
obj-$(CONFIG_MMC) += mmc/
obj-$(CONFIG_MEMSTICK) += memstick/
obj-$(CONFIG_NEW_LEDS) += leds/
+obj-$(CONFIG_SWITCH) += switch/
obj-$(CONFIG_INFINIBAND) += infiniband/
obj-$(CONFIG_SGI_SN) += sn/
obj-y += firmware/
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index ae02b4114a6f..d7198890cdd3 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -55,6 +55,14 @@ config SATA_AHCI
If unsure, say N.
+config SATA_AHCI_PLATFORM
+ tristate "Platform AHCI SATA support"
+ help
+ This option enables support for Platform AHCI Serial ATA
+ controllers.
+
+ If unsure, say N.
+
config SATA_SIL24
tristate "Silicon Image 3124/3132 SATA support"
depends on PCI
@@ -72,6 +80,7 @@ config SATA_FSL
If unsure, say N.
+
config ATA_SFF
bool "ATA SFF support"
default y
@@ -759,6 +768,14 @@ config PATA_FSL
ATA interface.
If you are unsure, say N to this.
+config PATA_FSL_DISABLE_DMA
+ bool "Disable DMA on Freescale on-chip PATA devices"
+ depends on PATA_FSL
+ default y
+ help
+ Say yes to disable the Ultra DMA and Multi Word DMA transfers on
+ Freescale PATA SoC interface.
+
endif # ATA_SFF
endif # ATA
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index de9fda120642..69bcefa0df6b 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -1,7 +1,8 @@
obj-$(CONFIG_ATA) += libata.o
-obj-$(CONFIG_SATA_AHCI) += ahci.o
+obj-$(CONFIG_SATA_AHCI) += ahci.o libahci.o
+obj-$(CONFIG_SATA_AHCI_PLATFORM) += ahci_platform.o libahci.o
obj-$(CONFIG_SATA_SVW) += sata_svw.o
obj-$(CONFIG_ATA_PIIX) += ata_piix.o
obj-$(CONFIG_SATA_PROMISE) += sata_promise.o
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index fe3eba5d6b3e..edc9b0ec9f39 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -45,64 +45,13 @@
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
#include <linux/libata.h>
+#include "ahci.h"
#define DRV_NAME "ahci"
#define DRV_VERSION "3.0"
-/* Enclosure Management Control */
-#define EM_CTRL_MSG_TYPE 0x000f0000
-
-/* Enclosure Management LED Message Type */
-#define EM_MSG_LED_HBA_PORT 0x0000000f
-#define EM_MSG_LED_PMP_SLOT 0x0000ff00
-#define EM_MSG_LED_VALUE 0xffff0000
-#define EM_MSG_LED_VALUE_ACTIVITY 0x00070000
-#define EM_MSG_LED_VALUE_OFF 0xfff80000
-#define EM_MSG_LED_VALUE_ON 0x00010000
-
-static int ahci_skip_host_reset;
-static int ahci_ignore_sss;
-
-module_param_named(skip_host_reset, ahci_skip_host_reset, int, 0444);
-MODULE_PARM_DESC(skip_host_reset, "skip global host reset (0=don't skip, 1=skip)");
-
-module_param_named(ignore_sss, ahci_ignore_sss, int, 0444);
-MODULE_PARM_DESC(ignore_sss, "Ignore staggered spinup flag (0=don't ignore, 1=ignore)");
-
-static int ahci_enable_alpm(struct ata_port *ap,
- enum link_pm policy);
-static void ahci_disable_alpm(struct ata_port *ap);
-static ssize_t ahci_led_show(struct ata_port *ap, char *buf);
-static ssize_t ahci_led_store(struct ata_port *ap, const char *buf,
- size_t size);
-static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state,
- ssize_t size);
-
enum {
AHCI_PCI_BAR = 5,
- AHCI_MAX_PORTS = 32,
- AHCI_MAX_SG = 168, /* hardware max is 64K */
- AHCI_DMA_BOUNDARY = 0xffffffff,
- AHCI_MAX_CMDS = 32,
- AHCI_CMD_SZ = 32,
- AHCI_CMD_SLOT_SZ = AHCI_MAX_CMDS * AHCI_CMD_SZ,
- AHCI_RX_FIS_SZ = 256,
- AHCI_CMD_TBL_CDB = 0x40,
- AHCI_CMD_TBL_HDR_SZ = 0x80,
- AHCI_CMD_TBL_SZ = AHCI_CMD_TBL_HDR_SZ + (AHCI_MAX_SG * 16),
- AHCI_CMD_TBL_AR_SZ = AHCI_CMD_TBL_SZ * AHCI_MAX_CMDS,
- AHCI_PORT_PRIV_DMA_SZ = AHCI_CMD_SLOT_SZ + AHCI_CMD_TBL_AR_SZ +
- AHCI_RX_FIS_SZ,
- AHCI_IRQ_ON_SG = (1 << 31),
- AHCI_CMD_ATAPI = (1 << 5),
- AHCI_CMD_WRITE = (1 << 6),
- AHCI_CMD_PREFETCH = (1 << 7),
- AHCI_CMD_RESET = (1 << 8),
- AHCI_CMD_CLR_BUSY = (1 << 10),
-
- RX_FIS_D2H_REG = 0x40, /* offset of D2H Register FIS data */
- RX_FIS_SDB = 0x58, /* offset of SDB FIS data */
- RX_FIS_UNK = 0x60, /* offset of Unknown FIS data */
board_ahci = 0,
board_ahci_vt8251 = 1,
@@ -113,280 +62,20 @@ enum {
board_ahci_mcp65 = 6,
board_ahci_nopmp = 7,
board_ahci_yesncq = 8,
-
- /* global controller registers */
- HOST_CAP = 0x00, /* host capabilities */
- HOST_CTL = 0x04, /* global host control */
- HOST_IRQ_STAT = 0x08, /* interrupt status */
- HOST_PORTS_IMPL = 0x0c, /* bitmap of implemented ports */
- HOST_VERSION = 0x10, /* AHCI spec. version compliancy */
- HOST_EM_LOC = 0x1c, /* Enclosure Management location */
- HOST_EM_CTL = 0x20, /* Enclosure Management Control */
-
- /* HOST_CTL bits */
- HOST_RESET = (1 << 0), /* reset controller; self-clear */
- HOST_IRQ_EN = (1 << 1), /* global IRQ enable */
- HOST_AHCI_EN = (1 << 31), /* AHCI enabled */
-
- /* HOST_CAP bits */
- HOST_CAP_EMS = (1 << 6), /* Enclosure Management support */
- HOST_CAP_SSC = (1 << 14), /* Slumber capable */
- HOST_CAP_PMP = (1 << 17), /* Port Multiplier support */
- HOST_CAP_CLO = (1 << 24), /* Command List Override support */
- HOST_CAP_ALPM = (1 << 26), /* Aggressive Link PM support */
- HOST_CAP_SSS = (1 << 27), /* Staggered Spin-up */
- HOST_CAP_SNTF = (1 << 29), /* SNotification register */
- HOST_CAP_NCQ = (1 << 30), /* Native Command Queueing */
- HOST_CAP_64 = (1 << 31), /* PCI DAC (64-bit DMA) support */
-
- /* registers for each SATA port */
- PORT_LST_ADDR = 0x00, /* command list DMA addr */
- PORT_LST_ADDR_HI = 0x04, /* command list DMA addr hi */
- PORT_FIS_ADDR = 0x08, /* FIS rx buf addr */
- PORT_FIS_ADDR_HI = 0x0c, /* FIS rx buf addr hi */
- PORT_IRQ_STAT = 0x10, /* interrupt status */
- PORT_IRQ_MASK = 0x14, /* interrupt enable/disable mask */
- PORT_CMD = 0x18, /* port command */
- PORT_TFDATA = 0x20, /* taskfile data */
- PORT_SIG = 0x24, /* device TF signature */
- PORT_CMD_ISSUE = 0x38, /* command issue */
- PORT_SCR_STAT = 0x28, /* SATA phy register: SStatus */
- PORT_SCR_CTL = 0x2c, /* SATA phy register: SControl */
- PORT_SCR_ERR = 0x30, /* SATA phy register: SError */
- PORT_SCR_ACT = 0x34, /* SATA phy register: SActive */
- PORT_SCR_NTF = 0x3c, /* SATA phy register: SNotification */
-
- /* PORT_IRQ_{STAT,MASK} bits */
- PORT_IRQ_COLD_PRES = (1 << 31), /* cold presence detect */
- PORT_IRQ_TF_ERR = (1 << 30), /* task file error */
- PORT_IRQ_HBUS_ERR = (1 << 29), /* host bus fatal error */
- PORT_IRQ_HBUS_DATA_ERR = (1 << 28), /* host bus data error */
- PORT_IRQ_IF_ERR = (1 << 27), /* interface fatal error */
- PORT_IRQ_IF_NONFATAL = (1 << 26), /* interface non-fatal error */
- PORT_IRQ_OVERFLOW = (1 << 24), /* xfer exhausted available S/G */
- PORT_IRQ_BAD_PMP = (1 << 23), /* incorrect port multiplier */
-
- PORT_IRQ_PHYRDY = (1 << 22), /* PhyRdy changed */
- PORT_IRQ_DEV_ILCK = (1 << 7), /* device interlock */
- PORT_IRQ_CONNECT = (1 << 6), /* port connect change status */
- PORT_IRQ_SG_DONE = (1 << 5), /* descriptor processed */
- PORT_IRQ_UNK_FIS = (1 << 4), /* unknown FIS rx'd */
- PORT_IRQ_SDB_FIS = (1 << 3), /* Set Device Bits FIS rx'd */
- PORT_IRQ_DMAS_FIS = (1 << 2), /* DMA Setup FIS rx'd */
- PORT_IRQ_PIOS_FIS = (1 << 1), /* PIO Setup FIS rx'd */
- PORT_IRQ_D2H_REG_FIS = (1 << 0), /* D2H Register FIS rx'd */
-
- PORT_IRQ_FREEZE = PORT_IRQ_HBUS_ERR |
- PORT_IRQ_IF_ERR |
- PORT_IRQ_CONNECT |
- PORT_IRQ_PHYRDY |
- PORT_IRQ_UNK_FIS |
- PORT_IRQ_BAD_PMP,
- PORT_IRQ_ERROR = PORT_IRQ_FREEZE |
- PORT_IRQ_TF_ERR |
- PORT_IRQ_HBUS_DATA_ERR,
- DEF_PORT_IRQ = PORT_IRQ_ERROR | PORT_IRQ_SG_DONE |
- PORT_IRQ_SDB_FIS | PORT_IRQ_DMAS_FIS |
- PORT_IRQ_PIOS_FIS | PORT_IRQ_D2H_REG_FIS,
-
- /* PORT_CMD bits */
- PORT_CMD_ASP = (1 << 27), /* Aggressive Slumber/Partial */
- PORT_CMD_ALPE = (1 << 26), /* Aggressive Link PM enable */
- PORT_CMD_ATAPI = (1 << 24), /* Device is ATAPI */
- PORT_CMD_PMP = (1 << 17), /* PMP attached */
- PORT_CMD_LIST_ON = (1 << 15), /* cmd list DMA engine running */
- PORT_CMD_FIS_ON = (1 << 14), /* FIS DMA engine running */
- PORT_CMD_FIS_RX = (1 << 4), /* Enable FIS receive DMA engine */
- PORT_CMD_CLO = (1 << 3), /* Command list override */
- PORT_CMD_POWER_ON = (1 << 2), /* Power up device */
- PORT_CMD_SPIN_UP = (1 << 1), /* Spin up device */
- PORT_CMD_START = (1 << 0), /* Enable port DMA engine */
-
- PORT_CMD_ICC_MASK = (0xf << 28), /* i/f ICC state mask */
- PORT_CMD_ICC_ACTIVE = (0x1 << 28), /* Put i/f in active state */
- PORT_CMD_ICC_PARTIAL = (0x2 << 28), /* Put i/f in partial state */
- PORT_CMD_ICC_SLUMBER = (0x6 << 28), /* Put i/f in slumber state */
-
- /* hpriv->flags bits */
- AHCI_HFLAG_NO_NCQ = (1 << 0),
- AHCI_HFLAG_IGN_IRQ_IF_ERR = (1 << 1), /* ignore IRQ_IF_ERR */
- AHCI_HFLAG_IGN_SERR_INTERNAL = (1 << 2), /* ignore SERR_INTERNAL */
- AHCI_HFLAG_32BIT_ONLY = (1 << 3), /* force 32bit */
- AHCI_HFLAG_MV_PATA = (1 << 4), /* PATA port */
- AHCI_HFLAG_NO_MSI = (1 << 5), /* no PCI MSI */
- AHCI_HFLAG_NO_PMP = (1 << 6), /* no PMP */
- AHCI_HFLAG_NO_HOTPLUG = (1 << 7), /* ignore PxSERR.DIAG.N */
- AHCI_HFLAG_SECT255 = (1 << 8), /* max 255 sectors */
- AHCI_HFLAG_YES_NCQ = (1 << 9), /* force NCQ cap on */
- AHCI_HFLAG_NO_SUSPEND = (1 << 10), /* don't suspend */
- AHCI_HFLAG_SRST_TOUT_IS_OFFLINE = (1 << 11), /* treat SRST timeout as
- link offline */
-
- /* ap->flags bits */
-
- AHCI_FLAG_COMMON = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
- ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
- ATA_FLAG_ACPI_SATA | ATA_FLAG_AN |
- ATA_FLAG_IPM,
-
- ICH_MAP = 0x90, /* ICH MAP register */
-
- /* em constants */
- EM_MAX_SLOTS = 8,
- EM_MAX_RETRY = 5,
-
- /* em_ctl bits */
- EM_CTL_RST = (1 << 9), /* Reset */
- EM_CTL_TM = (1 << 8), /* Transmit Message */
- EM_CTL_ALHD = (1 << 26), /* Activity LED */
-};
-
-struct ahci_cmd_hdr {
- __le32 opts;
- __le32 status;
- __le32 tbl_addr;
- __le32 tbl_addr_hi;
- __le32 reserved[4];
-};
-
-struct ahci_sg {
- __le32 addr;
- __le32 addr_hi;
- __le32 reserved;
- __le32 flags_size;
+ board_ahci_nosntf = 9,
};
-struct ahci_em_priv {
- enum sw_activity blink_policy;
- struct timer_list timer;
- unsigned long saved_activity;
- unsigned long activity;
- unsigned long led_state;
-};
-
-struct ahci_host_priv {
- unsigned int flags; /* AHCI_HFLAG_* */
- u32 cap; /* cap to use */
- u32 port_map; /* port map to use */
- u32 saved_cap; /* saved initial cap */
- u32 saved_port_map; /* saved initial port_map */
- u32 em_loc; /* enclosure management location */
-};
-
-struct ahci_port_priv {
- struct ata_link *active_link;
- struct ahci_cmd_hdr *cmd_slot;
- dma_addr_t cmd_slot_dma;
- void *cmd_tbl;
- dma_addr_t cmd_tbl_dma;
- void *rx_fis;
- dma_addr_t rx_fis_dma;
- /* for NCQ spurious interrupt analysis */
- unsigned int ncq_saw_d2h:1;
- unsigned int ncq_saw_dmas:1;
- unsigned int ncq_saw_sdb:1;
- u32 intr_mask; /* interrupts to enable */
- /* enclosure management info per PM slot */
- struct ahci_em_priv em_priv[EM_MAX_SLOTS];
-};
-
-static int ahci_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
-static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
-static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc);
-static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
-static int ahci_port_start(struct ata_port *ap);
-static void ahci_port_stop(struct ata_port *ap);
-static void ahci_qc_prep(struct ata_queued_cmd *qc);
-static void ahci_freeze(struct ata_port *ap);
-static void ahci_thaw(struct ata_port *ap);
-static void ahci_pmp_attach(struct ata_port *ap);
-static void ahci_pmp_detach(struct ata_port *ap);
-static int ahci_softreset(struct ata_link *link, unsigned int *class,
- unsigned long deadline);
static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
unsigned long deadline);
-static int ahci_hardreset(struct ata_link *link, unsigned int *class,
- unsigned long deadline);
static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline);
static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline);
-static void ahci_postreset(struct ata_link *link, unsigned int *class);
-static void ahci_error_handler(struct ata_port *ap);
-static void ahci_post_internal_cmd(struct ata_queued_cmd *qc);
-static int ahci_port_resume(struct ata_port *ap);
-static void ahci_dev_config(struct ata_device *dev);
-static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
- u32 opts);
#ifdef CONFIG_PM
-static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg);
static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg);
static int ahci_pci_device_resume(struct pci_dev *pdev);
#endif
-static ssize_t ahci_activity_show(struct ata_device *dev, char *buf);
-static ssize_t ahci_activity_store(struct ata_device *dev,
- enum sw_activity val);
-static void ahci_init_sw_activity(struct ata_link *link);
-
-static struct device_attribute *ahci_shost_attrs[] = {
- &dev_attr_link_power_management_policy,
- &dev_attr_em_message_type,
- &dev_attr_em_message,
- NULL
-};
-
-static struct device_attribute *ahci_sdev_attrs[] = {
- &dev_attr_sw_activity,
- &dev_attr_unload_heads,
- NULL
-};
-
-static struct scsi_host_template ahci_sht = {
- ATA_NCQ_SHT(DRV_NAME),
- .can_queue = AHCI_MAX_CMDS - 1,
- .sg_tablesize = AHCI_MAX_SG,
- .dma_boundary = AHCI_DMA_BOUNDARY,
- .shost_attrs = ahci_shost_attrs,
- .sdev_attrs = ahci_sdev_attrs,
-};
-
-static struct ata_port_operations ahci_ops = {
- .inherits = &sata_pmp_port_ops,
-
- .qc_defer = sata_pmp_qc_defer_cmd_switch,
- .qc_prep = ahci_qc_prep,
- .qc_issue = ahci_qc_issue,
- .qc_fill_rtf = ahci_qc_fill_rtf,
-
- .freeze = ahci_freeze,
- .thaw = ahci_thaw,
- .softreset = ahci_softreset,
- .hardreset = ahci_hardreset,
- .postreset = ahci_postreset,
- .pmp_softreset = ahci_softreset,
- .error_handler = ahci_error_handler,
- .post_internal_cmd = ahci_post_internal_cmd,
- .dev_config = ahci_dev_config,
-
- .scr_read = ahci_scr_read,
- .scr_write = ahci_scr_write,
- .pmp_attach = ahci_pmp_attach,
- .pmp_detach = ahci_pmp_detach,
-
- .enable_pm = ahci_enable_alpm,
- .disable_pm = ahci_disable_alpm,
- .em_show = ahci_led_show,
- .em_store = ahci_led_store,
- .sw_activity_show = ahci_activity_show,
- .sw_activity_store = ahci_activity_store,
-#ifdef CONFIG_PM
- .port_suspend = ahci_port_suspend,
- .port_resume = ahci_port_resume,
-#endif
- .port_start = ahci_port_start,
- .port_stop = ahci_port_stop,
-};
static struct ata_port_operations ahci_vt8251_ops = {
.inherits = &ahci_ops,
@@ -473,7 +162,7 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
- /* board_ahci_yesncq */
+ [board_ahci_yesncq] =
{
AHCI_HFLAGS (AHCI_HFLAG_YES_NCQ),
.flags = AHCI_FLAG_COMMON,
@@ -481,6 +170,14 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
+ [board_ahci_nosntf] =
+ {
+ AHCI_HFLAGS (AHCI_HFLAG_NO_SNTF),
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
};
static const struct pci_device_id ahci_pci_tbl[] = {
@@ -496,7 +193,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x2683), board_ahci }, /* ESB2 */
{ PCI_VDEVICE(INTEL, 0x27c6), board_ahci }, /* ICH7-M DH */
{ PCI_VDEVICE(INTEL, 0x2821), board_ahci }, /* ICH8 */
- { PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* ICH8 */
+ { PCI_VDEVICE(INTEL, 0x2822), board_ahci_nosntf }, /* ICH8 */
{ PCI_VDEVICE(INTEL, 0x2824), board_ahci }, /* ICH8 */
{ PCI_VDEVICE(INTEL, 0x2829), board_ahci }, /* ICH8M */
{ PCI_VDEVICE(INTEL, 0x282a), board_ahci }, /* ICH8M */
@@ -644,12 +341,6 @@ static struct pci_driver ahci_pci_driver = {
#endif
};
-static int ahci_em_messages = 1;
-module_param(ahci_em_messages, int, 0444);
-/* add other LED protocol types when they become supported */
-MODULE_PARM_DESC(ahci_em_messages,
- "Set AHCI Enclosure Management Message type (0 = disabled, 1 = LED");
-
#if defined(CONFIG_PATA_MARVELL) || defined(CONFIG_PATA_MARVELL_MODULE)
static int marvell_enable;
#else
@@ -659,112 +350,15 @@ module_param(marvell_enable, int, 0644);
MODULE_PARM_DESC(marvell_enable, "Marvell SATA via AHCI (1 = enabled)");
-static inline int ahci_nr_ports(u32 cap)
-{
- return (cap & 0x1f) + 1;
-}
-
-static inline void __iomem *__ahci_port_base(struct ata_host *host,
- unsigned int port_no)
-{
- void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
-
- return mmio + 0x100 + (port_no * 0x80);
-}
-
-static inline void __iomem *ahci_port_base(struct ata_port *ap)
-{
- return __ahci_port_base(ap->host, ap->port_no);
-}
-
-static void ahci_enable_ahci(void __iomem *mmio)
-{
- int i;
- u32 tmp;
-
- /* turn on AHCI_EN */
- tmp = readl(mmio + HOST_CTL);
- if (tmp & HOST_AHCI_EN)
- return;
-
- /* Some controllers need AHCI_EN to be written multiple times.
- * Try a few times before giving up.
- */
- for (i = 0; i < 5; i++) {
- tmp |= HOST_AHCI_EN;
- writel(tmp, mmio + HOST_CTL);
- tmp = readl(mmio + HOST_CTL); /* flush && sanity check */
- if (tmp & HOST_AHCI_EN)
- return;
- msleep(10);
- }
-
- WARN_ON(1);
-}
-
-/**
- * ahci_save_initial_config - Save and fixup initial config values
- * @pdev: target PCI device
- * @hpriv: host private area to store config values
- *
- * Some registers containing configuration info might be setup by
- * BIOS and might be cleared on reset. This function saves the
- * initial values of those registers into @hpriv such that they
- * can be restored after controller reset.
- *
- * If inconsistent, config values are fixed up by this function.
- *
- * LOCKING:
- * None.
- */
-static void ahci_save_initial_config(struct pci_dev *pdev,
- struct ahci_host_priv *hpriv)
+static void ahci_pci_save_initial_config(struct pci_dev *pdev,
+ struct ahci_host_priv *hpriv)
{
- void __iomem *mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR];
- u32 cap, port_map;
- int i;
- int mv;
-
- /* make sure AHCI mode is enabled before accessing CAP */
- ahci_enable_ahci(mmio);
+ unsigned int force_port_map = 0;
+ unsigned int mask_port_map = 0;
- /* Values prefixed with saved_ are written back to host after
- * reset. Values without are used for driver operation.
- */
- hpriv->saved_cap = cap = readl(mmio + HOST_CAP);
- hpriv->saved_port_map = port_map = readl(mmio + HOST_PORTS_IMPL);
-
- /* some chips have errata preventing 64bit use */
- if ((cap & HOST_CAP_64) && (hpriv->flags & AHCI_HFLAG_32BIT_ONLY)) {
- dev_printk(KERN_INFO, &pdev->dev,
- "controller can't do 64bit DMA, forcing 32bit\n");
- cap &= ~HOST_CAP_64;
- }
-
- if ((cap & HOST_CAP_NCQ) && (hpriv->flags & AHCI_HFLAG_NO_NCQ)) {
- dev_printk(KERN_INFO, &pdev->dev,
- "controller can't do NCQ, turning off CAP_NCQ\n");
- cap &= ~HOST_CAP_NCQ;
- }
-
- if (!(cap & HOST_CAP_NCQ) && (hpriv->flags & AHCI_HFLAG_YES_NCQ)) {
- dev_printk(KERN_INFO, &pdev->dev,
- "controller can do NCQ, turning on CAP_NCQ\n");
- cap |= HOST_CAP_NCQ;
- }
-
- if ((cap & HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) {
- dev_printk(KERN_INFO, &pdev->dev,
- "controller can't do PMP, turning off CAP_PMP\n");
- cap &= ~HOST_CAP_PMP;
- }
-
- if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361 &&
- port_map != 1) {
- dev_printk(KERN_INFO, &pdev->dev,
- "JMB361 has only one port, port_map 0x%x -> 0x%x\n",
- port_map, 1);
- port_map = 1;
+ if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361) {
+ dev_info(&pdev->dev, "JMB361 has only one port\n");
+ force_port_map = 1;
}
/*
@@ -774,466 +368,25 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
*/
if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
if (pdev->device == 0x6121)
- mv = 0x3;
+ mask_port_map = 0x3;
else
- mv = 0xf;
- dev_printk(KERN_ERR, &pdev->dev,
- "MV_AHCI HACK: port_map %x -> %x\n",
- port_map,
- port_map & mv);
- dev_printk(KERN_ERR, &pdev->dev,
+ mask_port_map = 0xf;
+ dev_info(&pdev->dev,
"Disabling your PATA port. Use the boot option 'ahci.marvell_enable=0' to avoid this.\n");
-
- port_map &= mv;
- }
-
- /* cross check port_map and cap.n_ports */
- if (port_map) {
- int map_ports = 0;
-
- for (i = 0; i < AHCI_MAX_PORTS; i++)
- if (port_map & (1 << i))
- map_ports++;
-
- /* If PI has more ports than n_ports, whine, clear
- * port_map and let it be generated from n_ports.
- */
- if (map_ports > ahci_nr_ports(cap)) {
- dev_printk(KERN_WARNING, &pdev->dev,
- "implemented port map (0x%x) contains more "
- "ports than nr_ports (%u), using nr_ports\n",
- port_map, ahci_nr_ports(cap));
- port_map = 0;
- }
- }
-
- /* fabricate port_map from cap.nr_ports */
- if (!port_map) {
- port_map = (1 << ahci_nr_ports(cap)) - 1;
- dev_printk(KERN_WARNING, &pdev->dev,
- "forcing PORTS_IMPL to 0x%x\n", port_map);
-
- /* write the fixed up value to the PI register */
- hpriv->saved_port_map = port_map;
- }
-
- /* record values to use during operation */
- hpriv->cap = cap;
- hpriv->port_map = port_map;
-}
-
-/**
- * ahci_restore_initial_config - Restore initial config
- * @host: target ATA host
- *
- * Restore initial config stored by ahci_save_initial_config().
- *
- * LOCKING:
- * None.
- */
-static void ahci_restore_initial_config(struct ata_host *host)
-{
- struct ahci_host_priv *hpriv = host->private_data;
- void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
-
- writel(hpriv->saved_cap, mmio + HOST_CAP);
- writel(hpriv->saved_port_map, mmio + HOST_PORTS_IMPL);
- (void) readl(mmio + HOST_PORTS_IMPL); /* flush */
-}
-
-static unsigned ahci_scr_offset(struct ata_port *ap, unsigned int sc_reg)
-{
- static const int offset[] = {
- [SCR_STATUS] = PORT_SCR_STAT,
- [SCR_CONTROL] = PORT_SCR_CTL,
- [SCR_ERROR] = PORT_SCR_ERR,
- [SCR_ACTIVE] = PORT_SCR_ACT,
- [SCR_NOTIFICATION] = PORT_SCR_NTF,
- };
- struct ahci_host_priv *hpriv = ap->host->private_data;
-
- if (sc_reg < ARRAY_SIZE(offset) &&
- (sc_reg != SCR_NOTIFICATION || (hpriv->cap & HOST_CAP_SNTF)))
- return offset[sc_reg];
- return 0;
-}
-
-static int ahci_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val)
-{
- void __iomem *port_mmio = ahci_port_base(link->ap);
- int offset = ahci_scr_offset(link->ap, sc_reg);
-
- if (offset) {
- *val = readl(port_mmio + offset);
- return 0;
- }
- return -EINVAL;
-}
-
-static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val)
-{
- void __iomem *port_mmio = ahci_port_base(link->ap);
- int offset = ahci_scr_offset(link->ap, sc_reg);
-
- if (offset) {
- writel(val, port_mmio + offset);
- return 0;
- }
- return -EINVAL;
-}
-
-static void ahci_start_engine(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 tmp;
-
- /* start DMA */
- tmp = readl(port_mmio + PORT_CMD);
- tmp |= PORT_CMD_START;
- writel(tmp, port_mmio + PORT_CMD);
- readl(port_mmio + PORT_CMD); /* flush */
-}
-
-static int ahci_stop_engine(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 tmp;
-
- tmp = readl(port_mmio + PORT_CMD);
-
- /* check if the HBA is idle */
- if ((tmp & (PORT_CMD_START | PORT_CMD_LIST_ON)) == 0)
- return 0;
-
- /* setting HBA to idle */
- tmp &= ~PORT_CMD_START;
- writel(tmp, port_mmio + PORT_CMD);
-
- /* wait for engine to stop. This could be as long as 500 msec */
- tmp = ata_wait_register(port_mmio + PORT_CMD,
- PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500);
- if (tmp & PORT_CMD_LIST_ON)
- return -EIO;
-
- return 0;
-}
-
-static void ahci_start_fis_rx(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- struct ahci_host_priv *hpriv = ap->host->private_data;
- struct ahci_port_priv *pp = ap->private_data;
- u32 tmp;
-
- /* set FIS registers */
- if (hpriv->cap & HOST_CAP_64)
- writel((pp->cmd_slot_dma >> 16) >> 16,
- port_mmio + PORT_LST_ADDR_HI);
- writel(pp->cmd_slot_dma & 0xffffffff, port_mmio + PORT_LST_ADDR);
-
- if (hpriv->cap & HOST_CAP_64)
- writel((pp->rx_fis_dma >> 16) >> 16,
- port_mmio + PORT_FIS_ADDR_HI);
- writel(pp->rx_fis_dma & 0xffffffff, port_mmio + PORT_FIS_ADDR);
-
- /* enable FIS reception */
- tmp = readl(port_mmio + PORT_CMD);
- tmp |= PORT_CMD_FIS_RX;
- writel(tmp, port_mmio + PORT_CMD);
-
- /* flush */
- readl(port_mmio + PORT_CMD);
-}
-
-static int ahci_stop_fis_rx(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 tmp;
-
- /* disable FIS reception */
- tmp = readl(port_mmio + PORT_CMD);
- tmp &= ~PORT_CMD_FIS_RX;
- writel(tmp, port_mmio + PORT_CMD);
-
- /* wait for completion, spec says 500ms, give it 1000 */
- tmp = ata_wait_register(port_mmio + PORT_CMD, PORT_CMD_FIS_ON,
- PORT_CMD_FIS_ON, 10, 1000);
- if (tmp & PORT_CMD_FIS_ON)
- return -EBUSY;
-
- return 0;
-}
-
-static void ahci_power_up(struct ata_port *ap)
-{
- struct ahci_host_priv *hpriv = ap->host->private_data;
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 cmd;
-
- cmd = readl(port_mmio + PORT_CMD) & ~PORT_CMD_ICC_MASK;
-
- /* spin up device */
- if (hpriv->cap & HOST_CAP_SSS) {
- cmd |= PORT_CMD_SPIN_UP;
- writel(cmd, port_mmio + PORT_CMD);
- }
-
- /* wake up link */
- writel(cmd | PORT_CMD_ICC_ACTIVE, port_mmio + PORT_CMD);
-}
-
-static void ahci_disable_alpm(struct ata_port *ap)
-{
- struct ahci_host_priv *hpriv = ap->host->private_data;
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 cmd;
- struct ahci_port_priv *pp = ap->private_data;
-
- /* IPM bits should be disabled by libata-core */
- /* get the existing command bits */
- cmd = readl(port_mmio + PORT_CMD);
-
- /* disable ALPM and ASP */
- cmd &= ~PORT_CMD_ASP;
- cmd &= ~PORT_CMD_ALPE;
-
- /* force the interface back to active */
- cmd |= PORT_CMD_ICC_ACTIVE;
-
- /* write out new cmd value */
- writel(cmd, port_mmio + PORT_CMD);
- cmd = readl(port_mmio + PORT_CMD);
-
- /* wait 10ms to be sure we've come out of any low power state */
- msleep(10);
-
- /* clear out any PhyRdy stuff from interrupt status */
- writel(PORT_IRQ_PHYRDY, port_mmio + PORT_IRQ_STAT);
-
- /* go ahead and clean out PhyRdy Change from Serror too */
- ahci_scr_write(&ap->link, SCR_ERROR, ((1 << 16) | (1 << 18)));
-
- /*
- * Clear flag to indicate that we should ignore all PhyRdy
- * state changes
- */
- hpriv->flags &= ~AHCI_HFLAG_NO_HOTPLUG;
-
- /*
- * Enable interrupts on Phy Ready.
- */
- pp->intr_mask |= PORT_IRQ_PHYRDY;
- writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
-
- /*
- * don't change the link pm policy - we can be called
- * just to turn of link pm temporarily
- */
-}
-
-static int ahci_enable_alpm(struct ata_port *ap,
- enum link_pm policy)
-{
- struct ahci_host_priv *hpriv = ap->host->private_data;
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 cmd;
- struct ahci_port_priv *pp = ap->private_data;
- u32 asp;
-
- /* Make sure the host is capable of link power management */
- if (!(hpriv->cap & HOST_CAP_ALPM))
- return -EINVAL;
-
- switch (policy) {
- case MAX_PERFORMANCE:
- case NOT_AVAILABLE:
- /*
- * if we came here with NOT_AVAILABLE,
- * it just means this is the first time we
- * have tried to enable - default to max performance,
- * and let the user go to lower power modes on request.
- */
- ahci_disable_alpm(ap);
- return 0;
- case MIN_POWER:
- /* configure HBA to enter SLUMBER */
- asp = PORT_CMD_ASP;
- break;
- case MEDIUM_POWER:
- /* configure HBA to enter PARTIAL */
- asp = 0;
- break;
- default:
- return -EINVAL;
- }
-
- /*
- * Disable interrupts on Phy Ready. This keeps us from
- * getting woken up due to spurious phy ready interrupts
- * TBD - Hot plug should be done via polling now, is
- * that even supported?
- */
- pp->intr_mask &= ~PORT_IRQ_PHYRDY;
- writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
-
- /*
- * Set a flag to indicate that we should ignore all PhyRdy
- * state changes since these can happen now whenever we
- * change link state
- */
- hpriv->flags |= AHCI_HFLAG_NO_HOTPLUG;
-
- /* get the existing command bits */
- cmd = readl(port_mmio + PORT_CMD);
-
- /*
- * Set ASP based on Policy
- */
- cmd |= asp;
-
- /*
- * Setting this bit will instruct the HBA to aggressively
- * enter a lower power link state when it's appropriate and
- * based on the value set above for ASP
- */
- cmd |= PORT_CMD_ALPE;
-
- /* write out new cmd value */
- writel(cmd, port_mmio + PORT_CMD);
- cmd = readl(port_mmio + PORT_CMD);
-
- /* IPM bits should be set by libata-core */
- return 0;
-}
-
-#ifdef CONFIG_PM
-static void ahci_power_down(struct ata_port *ap)
-{
- struct ahci_host_priv *hpriv = ap->host->private_data;
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 cmd, scontrol;
-
- if (!(hpriv->cap & HOST_CAP_SSS))
- return;
-
- /* put device into listen mode, first set PxSCTL.DET to 0 */
- scontrol = readl(port_mmio + PORT_SCR_CTL);
- scontrol &= ~0xf;
- writel(scontrol, port_mmio + PORT_SCR_CTL);
-
- /* then set PxCMD.SUD to 0 */
- cmd = readl(port_mmio + PORT_CMD) & ~PORT_CMD_ICC_MASK;
- cmd &= ~PORT_CMD_SPIN_UP;
- writel(cmd, port_mmio + PORT_CMD);
-}
-#endif
-
-static void ahci_start_port(struct ata_port *ap)
-{
- struct ahci_port_priv *pp = ap->private_data;
- struct ata_link *link;
- struct ahci_em_priv *emp;
- ssize_t rc;
- int i;
-
- /* enable FIS reception */
- ahci_start_fis_rx(ap);
-
- /* enable DMA */
- ahci_start_engine(ap);
-
- /* turn on LEDs */
- if (ap->flags & ATA_FLAG_EM) {
- ata_for_each_link(link, ap, EDGE) {
- emp = &pp->em_priv[link->pmp];
-
- /* EM Transmit bit maybe busy during init */
- for (i = 0; i < EM_MAX_RETRY; i++) {
- rc = ahci_transmit_led_message(ap,
- emp->led_state,
- 4);
- if (rc == -EBUSY)
- msleep(1);
- else
- break;
- }
- }
- }
-
- if (ap->flags & ATA_FLAG_SW_ACTIVITY)
- ata_for_each_link(link, ap, EDGE)
- ahci_init_sw_activity(link);
-
-}
-
-static int ahci_deinit_port(struct ata_port *ap, const char **emsg)
-{
- int rc;
-
- /* disable DMA */
- rc = ahci_stop_engine(ap);
- if (rc) {
- *emsg = "failed to stop engine";
- return rc;
- }
-
- /* disable FIS reception */
- rc = ahci_stop_fis_rx(ap);
- if (rc) {
- *emsg = "failed stop FIS RX";
- return rc;
}
- return 0;
+ ahci_save_initial_config(&pdev->dev, hpriv, force_port_map,
+ mask_port_map);
}
-static int ahci_reset_controller(struct ata_host *host)
+static int ahci_pci_reset_controller(struct ata_host *host)
{
struct pci_dev *pdev = to_pci_dev(host->dev);
- struct ahci_host_priv *hpriv = host->private_data;
- void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
- u32 tmp;
- /* we must be in AHCI mode, before using anything
- * AHCI-specific, such as HOST_RESET.
- */
- ahci_enable_ahci(mmio);
-
- /* global controller reset */
- if (!ahci_skip_host_reset) {
- tmp = readl(mmio + HOST_CTL);
- if ((tmp & HOST_RESET) == 0) {
- writel(tmp | HOST_RESET, mmio + HOST_CTL);
- readl(mmio + HOST_CTL); /* flush */
- }
-
- /*
- * to perform host reset, OS should set HOST_RESET
- * and poll until this bit is read to be "0".
- * reset must complete within 1 second, or
- * the hardware should be considered fried.
- */
- tmp = ata_wait_register(mmio + HOST_CTL, HOST_RESET,
- HOST_RESET, 10, 1000);
-
- if (tmp & HOST_RESET) {
- dev_printk(KERN_ERR, host->dev,
- "controller reset failed (0x%x)\n", tmp);
- return -EIO;
- }
-
- /* turn on AHCI mode */
- ahci_enable_ahci(mmio);
-
- /* Some registers might be cleared on reset. Restore
- * initial values.
- */
- ahci_restore_initial_config(host);
- } else
- dev_printk(KERN_INFO, host->dev,
- "skipping global host reset\n");
+ ahci_reset_controller(host);
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
+ struct ahci_host_priv *hpriv = host->private_data;
u16 tmp16;
/* configure PCS */
@@ -1247,267 +400,10 @@ static int ahci_reset_controller(struct ata_host *host)
return 0;
}
-static void ahci_sw_activity(struct ata_link *link)
-{
- struct ata_port *ap = link->ap;
- struct ahci_port_priv *pp = ap->private_data;
- struct ahci_em_priv *emp = &pp->em_priv[link->pmp];
-
- if (!(link->flags & ATA_LFLAG_SW_ACTIVITY))
- return;
-
- emp->activity++;
- if (!timer_pending(&emp->timer))
- mod_timer(&emp->timer, jiffies + msecs_to_jiffies(10));
-}
-
-static void ahci_sw_activity_blink(unsigned long arg)
-{
- struct ata_link *link = (struct ata_link *)arg;
- struct ata_port *ap = link->ap;
- struct ahci_port_priv *pp = ap->private_data;
- struct ahci_em_priv *emp = &pp->em_priv[link->pmp];
- unsigned long led_message = emp->led_state;
- u32 activity_led_state;
- unsigned long flags;
-
- led_message &= EM_MSG_LED_VALUE;
- led_message |= ap->port_no | (link->pmp << 8);
-
- /* check to see if we've had activity. If so,
- * toggle state of LED and reset timer. If not,
- * turn LED to desired idle state.
- */
- spin_lock_irqsave(ap->lock, flags);
- if (emp->saved_activity != emp->activity) {
- emp->saved_activity = emp->activity;
- /* get the current LED state */
- activity_led_state = led_message & EM_MSG_LED_VALUE_ON;
-
- if (activity_led_state)
- activity_led_state = 0;
- else
- activity_led_state = 1;
-
- /* clear old state */
- led_message &= ~EM_MSG_LED_VALUE_ACTIVITY;
-
- /* toggle state */
- led_message |= (activity_led_state << 16);
- mod_timer(&emp->timer, jiffies + msecs_to_jiffies(100));
- } else {
- /* switch to idle */
- led_message &= ~EM_MSG_LED_VALUE_ACTIVITY;
- if (emp->blink_policy == BLINK_OFF)
- led_message |= (1 << 16);
- }
- spin_unlock_irqrestore(ap->lock, flags);
- ahci_transmit_led_message(ap, led_message, 4);
-}
-
-static void ahci_init_sw_activity(struct ata_link *link)
-{
- struct ata_port *ap = link->ap;
- struct ahci_port_priv *pp = ap->private_data;
- struct ahci_em_priv *emp = &pp->em_priv[link->pmp];
-
- /* init activity stats, setup timer */
- emp->saved_activity = emp->activity = 0;
- setup_timer(&emp->timer, ahci_sw_activity_blink, (unsigned long)link);
-
- /* check our blink policy and set flag for link if it's enabled */
- if (emp->blink_policy)
- link->flags |= ATA_LFLAG_SW_ACTIVITY;
-}
-
-static int ahci_reset_em(struct ata_host *host)
-{
- void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
- u32 em_ctl;
-
- em_ctl = readl(mmio + HOST_EM_CTL);
- if ((em_ctl & EM_CTL_TM) || (em_ctl & EM_CTL_RST))
- return -EINVAL;
-
- writel(em_ctl | EM_CTL_RST, mmio + HOST_EM_CTL);
- return 0;
-}
-
-static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state,
- ssize_t size)
-{
- struct ahci_host_priv *hpriv = ap->host->private_data;
- struct ahci_port_priv *pp = ap->private_data;
- void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
- u32 em_ctl;
- u32 message[] = {0, 0};
- unsigned long flags;
- int pmp;
- struct ahci_em_priv *emp;
-
- /* get the slot number from the message */
- pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8;
- if (pmp < EM_MAX_SLOTS)
- emp = &pp->em_priv[pmp];
- else
- return -EINVAL;
-
- spin_lock_irqsave(ap->lock, flags);
-
- /*
- * if we are still busy transmitting a previous message,
- * do not allow
- */
- em_ctl = readl(mmio + HOST_EM_CTL);
- if (em_ctl & EM_CTL_TM) {
- spin_unlock_irqrestore(ap->lock, flags);
- return -EBUSY;
- }
-
- /*
- * create message header - this is all zero except for
- * the message size, which is 4 bytes.
- */
- message[0] |= (4 << 8);
-
- /* ignore 0:4 of byte zero, fill in port info yourself */
- message[1] = ((state & ~EM_MSG_LED_HBA_PORT) | ap->port_no);
-
- /* write message to EM_LOC */
- writel(message[0], mmio + hpriv->em_loc);
- writel(message[1], mmio + hpriv->em_loc+4);
-
- /* save off new led state for port/slot */
- emp->led_state = state;
-
- /*
- * tell hardware to transmit the message
- */
- writel(em_ctl | EM_CTL_TM, mmio + HOST_EM_CTL);
-
- spin_unlock_irqrestore(ap->lock, flags);
- return size;
-}
-
-static ssize_t ahci_led_show(struct ata_port *ap, char *buf)
-{
- struct ahci_port_priv *pp = ap->private_data;
- struct ata_link *link;
- struct ahci_em_priv *emp;
- int rc = 0;
-
- ata_for_each_link(link, ap, EDGE) {
- emp = &pp->em_priv[link->pmp];
- rc += sprintf(buf, "%lx\n", emp->led_state);
- }
- return rc;
-}
-
-static ssize_t ahci_led_store(struct ata_port *ap, const char *buf,
- size_t size)
-{
- int state;
- int pmp;
- struct ahci_port_priv *pp = ap->private_data;
- struct ahci_em_priv *emp;
-
- state = simple_strtoul(buf, NULL, 0);
-
- /* get the slot number from the message */
- pmp = (state & EM_MSG_LED_PMP_SLOT) >> 8;
- if (pmp < EM_MAX_SLOTS)
- emp = &pp->em_priv[pmp];
- else
- return -EINVAL;
-
- /* mask off the activity bits if we are in sw_activity
- * mode, user should turn off sw_activity before setting
- * activity led through em_message
- */
- if (emp->blink_policy)
- state &= ~EM_MSG_LED_VALUE_ACTIVITY;
-
- return ahci_transmit_led_message(ap, state, size);
-}
-
-static ssize_t ahci_activity_store(struct ata_device *dev, enum sw_activity val)
-{
- struct ata_link *link = dev->link;
- struct ata_port *ap = link->ap;
- struct ahci_port_priv *pp = ap->private_data;
- struct ahci_em_priv *emp = &pp->em_priv[link->pmp];
- u32 port_led_state = emp->led_state;
-
- /* save the desired Activity LED behavior */
- if (val == OFF) {
- /* clear LFLAG */
- link->flags &= ~(ATA_LFLAG_SW_ACTIVITY);
-
- /* set the LED to OFF */
- port_led_state &= EM_MSG_LED_VALUE_OFF;
- port_led_state |= (ap->port_no | (link->pmp << 8));
- ahci_transmit_led_message(ap, port_led_state, 4);
- } else {
- link->flags |= ATA_LFLAG_SW_ACTIVITY;
- if (val == BLINK_OFF) {
- /* set LED to ON for idle */
- port_led_state &= EM_MSG_LED_VALUE_OFF;
- port_led_state |= (ap->port_no | (link->pmp << 8));
- port_led_state |= EM_MSG_LED_VALUE_ON; /* check this */
- ahci_transmit_led_message(ap, port_led_state, 4);
- }
- }
- emp->blink_policy = val;
- return 0;
-}
-
-static ssize_t ahci_activity_show(struct ata_device *dev, char *buf)
-{
- struct ata_link *link = dev->link;
- struct ata_port *ap = link->ap;
- struct ahci_port_priv *pp = ap->private_data;
- struct ahci_em_priv *emp = &pp->em_priv[link->pmp];
-
- /* display the saved value of activity behavior for this
- * disk.
- */
- return sprintf(buf, "%d\n", emp->blink_policy);
-}
-
-static void ahci_port_init(struct pci_dev *pdev, struct ata_port *ap,
- int port_no, void __iomem *mmio,
- void __iomem *port_mmio)
-{
- const char *emsg = NULL;
- int rc;
- u32 tmp;
-
- /* make sure port is not active */
- rc = ahci_deinit_port(ap, &emsg);
- if (rc)
- dev_printk(KERN_WARNING, &pdev->dev,
- "%s (%d)\n", emsg, rc);
-
- /* clear SError */
- tmp = readl(port_mmio + PORT_SCR_ERR);
- VPRINTK("PORT_SCR_ERR 0x%x\n", tmp);
- writel(tmp, port_mmio + PORT_SCR_ERR);
-
- /* clear port IRQ */
- tmp = readl(port_mmio + PORT_IRQ_STAT);
- VPRINTK("PORT_IRQ_STAT 0x%x\n", tmp);
- if (tmp)
- writel(tmp, port_mmio + PORT_IRQ_STAT);
-
- writel(1 << port_no, mmio + HOST_IRQ_STAT);
-}
-
-static void ahci_init_controller(struct ata_host *host)
+static void ahci_pci_init_controller(struct ata_host *host)
{
struct ahci_host_priv *hpriv = host->private_data;
struct pci_dev *pdev = to_pci_dev(host->dev);
- void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
- int i;
void __iomem *port_mmio;
u32 tmp;
int mv;
@@ -1528,222 +424,7 @@ static void ahci_init_controller(struct ata_host *host)
writel(tmp, port_mmio + PORT_IRQ_STAT);
}
- for (i = 0; i < host->n_ports; i++) {
- struct ata_port *ap = host->ports[i];
-
- port_mmio = ahci_port_base(ap);
- if (ata_port_is_dummy(ap))
- continue;
-
- ahci_port_init(pdev, ap, i, mmio, port_mmio);
- }
-
- tmp = readl(mmio + HOST_CTL);
- VPRINTK("HOST_CTL 0x%x\n", tmp);
- writel(tmp | HOST_IRQ_EN, mmio + HOST_CTL);
- tmp = readl(mmio + HOST_CTL);
- VPRINTK("HOST_CTL 0x%x\n", tmp);
-}
-
-static void ahci_dev_config(struct ata_device *dev)
-{
- struct ahci_host_priv *hpriv = dev->link->ap->host->private_data;
-
- if (hpriv->flags & AHCI_HFLAG_SECT255) {
- dev->max_sectors = 255;
- ata_dev_printk(dev, KERN_INFO,
- "SB600 AHCI: limiting to 255 sectors per cmd\n");
- }
-}
-
-static unsigned int ahci_dev_classify(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- struct ata_taskfile tf;
- u32 tmp;
-
- tmp = readl(port_mmio + PORT_SIG);
- tf.lbah = (tmp >> 24) & 0xff;
- tf.lbam = (tmp >> 16) & 0xff;
- tf.lbal = (tmp >> 8) & 0xff;
- tf.nsect = (tmp) & 0xff;
-
- return ata_dev_classify(&tf);
-}
-
-static void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag,
- u32 opts)
-{
- dma_addr_t cmd_tbl_dma;
-
- cmd_tbl_dma = pp->cmd_tbl_dma + tag * AHCI_CMD_TBL_SZ;
-
- pp->cmd_slot[tag].opts = cpu_to_le32(opts);
- pp->cmd_slot[tag].status = 0;
- pp->cmd_slot[tag].tbl_addr = cpu_to_le32(cmd_tbl_dma & 0xffffffff);
- pp->cmd_slot[tag].tbl_addr_hi = cpu_to_le32((cmd_tbl_dma >> 16) >> 16);
-}
-
-static int ahci_kick_engine(struct ata_port *ap, int force_restart)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- struct ahci_host_priv *hpriv = ap->host->private_data;
- u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
- u32 tmp;
- int busy, rc;
-
- /* do we need to kick the port? */
- busy = status & (ATA_BUSY | ATA_DRQ);
- if (!busy && !force_restart)
- return 0;
-
- /* stop engine */
- rc = ahci_stop_engine(ap);
- if (rc)
- goto out_restart;
-
- /* need to do CLO? */
- if (!busy) {
- rc = 0;
- goto out_restart;
- }
-
- if (!(hpriv->cap & HOST_CAP_CLO)) {
- rc = -EOPNOTSUPP;
- goto out_restart;
- }
-
- /* perform CLO */
- tmp = readl(port_mmio + PORT_CMD);
- tmp |= PORT_CMD_CLO;
- writel(tmp, port_mmio + PORT_CMD);
-
- rc = 0;
- tmp = ata_wait_register(port_mmio + PORT_CMD,
- PORT_CMD_CLO, PORT_CMD_CLO, 1, 500);
- if (tmp & PORT_CMD_CLO)
- rc = -EIO;
-
- /* restart engine */
- out_restart:
- ahci_start_engine(ap);
- return rc;
-}
-
-static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
- struct ata_taskfile *tf, int is_cmd, u16 flags,
- unsigned long timeout_msec)
-{
- const u32 cmd_fis_len = 5; /* five dwords */
- struct ahci_port_priv *pp = ap->private_data;
- void __iomem *port_mmio = ahci_port_base(ap);
- u8 *fis = pp->cmd_tbl;
- u32 tmp;
-
- /* prep the command */
- ata_tf_to_fis(tf, pmp, is_cmd, fis);
- ahci_fill_cmd_slot(pp, 0, cmd_fis_len | flags | (pmp << 12));
-
- /* issue & wait */
- writel(1, port_mmio + PORT_CMD_ISSUE);
-
- if (timeout_msec) {
- tmp = ata_wait_register(port_mmio + PORT_CMD_ISSUE, 0x1, 0x1,
- 1, timeout_msec);
- if (tmp & 0x1) {
- ahci_kick_engine(ap, 1);
- return -EBUSY;
- }
- } else
- readl(port_mmio + PORT_CMD_ISSUE); /* flush */
-
- return 0;
-}
-
-static int ahci_do_softreset(struct ata_link *link, unsigned int *class,
- int pmp, unsigned long deadline,
- int (*check_ready)(struct ata_link *link))
-{
- struct ata_port *ap = link->ap;
- struct ahci_host_priv *hpriv = ap->host->private_data;
- const char *reason = NULL;
- unsigned long now, msecs;
- struct ata_taskfile tf;
- int rc;
-
- DPRINTK("ENTER\n");
-
- /* prepare for SRST (AHCI-1.1 10.4.1) */
- rc = ahci_kick_engine(ap, 1);
- if (rc && rc != -EOPNOTSUPP)
- ata_link_printk(link, KERN_WARNING,
- "failed to reset engine (errno=%d)\n", rc);
-
- ata_tf_init(link->device, &tf);
-
- /* issue the first D2H Register FIS */
- msecs = 0;
- now = jiffies;
- if (time_after(now, deadline))
- msecs = jiffies_to_msecs(deadline - now);
-
- tf.ctl |= ATA_SRST;
- if (ahci_exec_polled_cmd(ap, pmp, &tf, 0,
- AHCI_CMD_RESET | AHCI_CMD_CLR_BUSY, msecs)) {
- rc = -EIO;
- reason = "1st FIS failed";
- goto fail;
- }
-
- /* spec says at least 5us, but be generous and sleep for 1ms */
- msleep(1);
-
- /* issue the second D2H Register FIS */
- tf.ctl &= ~ATA_SRST;
- ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0);
-
- /* wait for link to become ready */
- rc = ata_wait_after_reset(link, deadline, check_ready);
- if (rc == -EBUSY && hpriv->flags & AHCI_HFLAG_SRST_TOUT_IS_OFFLINE) {
- /*
- * Workaround for cases where link online status can't
- * be trusted. Treat device readiness timeout as link
- * offline.
- */
- ata_link_printk(link, KERN_INFO,
- "device not ready, treating as offline\n");
- *class = ATA_DEV_NONE;
- } else if (rc) {
- /* link occupied, -ENODEV too is an error */
- reason = "device not ready";
- goto fail;
- } else
- *class = ahci_dev_classify(ap);
-
- DPRINTK("EXIT, class=%u\n", *class);
- return 0;
-
- fail:
- ata_link_printk(link, KERN_ERR, "softreset failed (%s)\n", reason);
- return rc;
-}
-
-static int ahci_check_ready(struct ata_link *link)
-{
- void __iomem *port_mmio = ahci_port_base(link->ap);
- u8 status = readl(port_mmio + PORT_TFDATA) & 0xFF;
-
- return ata_check_ready(status);
-}
-
-static int ahci_softreset(struct ata_link *link, unsigned int *class,
- unsigned long deadline)
-{
- int pmp = sata_srst_pmp(link);
-
- DPRINTK("ENTER\n");
-
- return ahci_do_softreset(link, class, pmp, deadline, ahci_check_ready);
+ ahci_init_controller(host);
}
static int ahci_sb600_check_ready(struct ata_link *link)
@@ -1795,38 +476,6 @@ static int ahci_sb600_softreset(struct ata_link *link, unsigned int *class,
return rc;
}
-static int ahci_hardreset(struct ata_link *link, unsigned int *class,
- unsigned long deadline)
-{
- const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
- struct ata_port *ap = link->ap;
- struct ahci_port_priv *pp = ap->private_data;
- u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
- struct ata_taskfile tf;
- bool online;
- int rc;
-
- DPRINTK("ENTER\n");
-
- ahci_stop_engine(ap);
-
- /* clear D2H reception area to properly wait for D2H FIS */
- ata_tf_init(link->device, &tf);
- tf.command = 0x80;
- ata_tf_to_fis(&tf, 0, 0, d2h_fis);
-
- rc = sata_link_hardreset(link, timing, deadline, &online,
- ahci_check_ready);
-
- ahci_start_engine(ap);
-
- if (online)
- *class = ahci_dev_classify(ap);
-
- DPRINTK("EXIT, rc=%d, class=%u\n", rc, *class);
- return rc;
-}
-
static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline)
{
@@ -1890,453 +539,17 @@ static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class,
rc = ata_wait_after_reset(link, jiffies + 2 * HZ,
ahci_check_ready);
if (rc)
- ahci_kick_engine(ap, 0);
+ ahci_kick_engine(ap);
}
return rc;
}
-static void ahci_postreset(struct ata_link *link, unsigned int *class)
-{
- struct ata_port *ap = link->ap;
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 new_tmp, tmp;
-
- ata_std_postreset(link, class);
-
- /* Make sure port's ATAPI bit is set appropriately */
- new_tmp = tmp = readl(port_mmio + PORT_CMD);
- if (*class == ATA_DEV_ATAPI)
- new_tmp |= PORT_CMD_ATAPI;
- else
- new_tmp &= ~PORT_CMD_ATAPI;
- if (new_tmp != tmp) {
- writel(new_tmp, port_mmio + PORT_CMD);
- readl(port_mmio + PORT_CMD); /* flush */
- }
-}
-
-static unsigned int ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl)
-{
- struct scatterlist *sg;
- struct ahci_sg *ahci_sg = cmd_tbl + AHCI_CMD_TBL_HDR_SZ;
- unsigned int si;
-
- VPRINTK("ENTER\n");
-
- /*
- * Next, the S/G list.
- */
- for_each_sg(qc->sg, sg, qc->n_elem, si) {
- dma_addr_t addr = sg_dma_address(sg);
- u32 sg_len = sg_dma_len(sg);
-
- ahci_sg[si].addr = cpu_to_le32(addr & 0xffffffff);
- ahci_sg[si].addr_hi = cpu_to_le32((addr >> 16) >> 16);
- ahci_sg[si].flags_size = cpu_to_le32(sg_len - 1);
- }
-
- return si;
-}
-
-static void ahci_qc_prep(struct ata_queued_cmd *qc)
-{
- struct ata_port *ap = qc->ap;
- struct ahci_port_priv *pp = ap->private_data;
- int is_atapi = ata_is_atapi(qc->tf.protocol);
- void *cmd_tbl;
- u32 opts;
- const u32 cmd_fis_len = 5; /* five dwords */
- unsigned int n_elem;
-
- /*
- * Fill in command table information. First, the header,
- * a SATA Register - Host to Device command FIS.
- */
- cmd_tbl = pp->cmd_tbl + qc->tag * AHCI_CMD_TBL_SZ;
-
- ata_tf_to_fis(&qc->tf, qc->dev->link->pmp, 1, cmd_tbl);
- if (is_atapi) {
- memset(cmd_tbl + AHCI_CMD_TBL_CDB, 0, 32);
- memcpy(cmd_tbl + AHCI_CMD_TBL_CDB, qc->cdb, qc->dev->cdb_len);
- }
-
- n_elem = 0;
- if (qc->flags & ATA_QCFLAG_DMAMAP)
- n_elem = ahci_fill_sg(qc, cmd_tbl);
-
- /*
- * Fill in command slot information.
- */
- opts = cmd_fis_len | n_elem << 16 | (qc->dev->link->pmp << 12);
- if (qc->tf.flags & ATA_TFLAG_WRITE)
- opts |= AHCI_CMD_WRITE;
- if (is_atapi)
- opts |= AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH;
-
- ahci_fill_cmd_slot(pp, qc->tag, opts);
-}
-
-static void ahci_error_intr(struct ata_port *ap, u32 irq_stat)
-{
- struct ahci_host_priv *hpriv = ap->host->private_data;
- struct ahci_port_priv *pp = ap->private_data;
- struct ata_eh_info *host_ehi = &ap->link.eh_info;
- struct ata_link *link = NULL;
- struct ata_queued_cmd *active_qc;
- struct ata_eh_info *active_ehi;
- u32 serror;
-
- /* determine active link */
- ata_for_each_link(link, ap, EDGE)
- if (ata_link_active(link))
- break;
- if (!link)
- link = &ap->link;
-
- active_qc = ata_qc_from_tag(ap, link->active_tag);
- active_ehi = &link->eh_info;
-
- /* record irq stat */
- ata_ehi_clear_desc(host_ehi);
- ata_ehi_push_desc(host_ehi, "irq_stat 0x%08x", irq_stat);
-
- /* AHCI needs SError cleared; otherwise, it might lock up */
- ahci_scr_read(&ap->link, SCR_ERROR, &serror);
- ahci_scr_write(&ap->link, SCR_ERROR, serror);
- host_ehi->serror |= serror;
-
- /* some controllers set IRQ_IF_ERR on device errors, ignore it */
- if (hpriv->flags & AHCI_HFLAG_IGN_IRQ_IF_ERR)
- irq_stat &= ~PORT_IRQ_IF_ERR;
-
- if (irq_stat & PORT_IRQ_TF_ERR) {
- /* If qc is active, charge it; otherwise, the active
- * link. There's no active qc on NCQ errors. It will
- * be determined by EH by reading log page 10h.
- */
- if (active_qc)
- active_qc->err_mask |= AC_ERR_DEV;
- else
- active_ehi->err_mask |= AC_ERR_DEV;
-
- if (hpriv->flags & AHCI_HFLAG_IGN_SERR_INTERNAL)
- host_ehi->serror &= ~SERR_INTERNAL;
- }
-
- if (irq_stat & PORT_IRQ_UNK_FIS) {
- u32 *unk = (u32 *)(pp->rx_fis + RX_FIS_UNK);
-
- active_ehi->err_mask |= AC_ERR_HSM;
- active_ehi->action |= ATA_EH_RESET;
- ata_ehi_push_desc(active_ehi,
- "unknown FIS %08x %08x %08x %08x" ,
- unk[0], unk[1], unk[2], unk[3]);
- }
-
- if (sata_pmp_attached(ap) && (irq_stat & PORT_IRQ_BAD_PMP)) {
- active_ehi->err_mask |= AC_ERR_HSM;
- active_ehi->action |= ATA_EH_RESET;
- ata_ehi_push_desc(active_ehi, "incorrect PMP");
- }
-
- if (irq_stat & (PORT_IRQ_HBUS_ERR | PORT_IRQ_HBUS_DATA_ERR)) {
- host_ehi->err_mask |= AC_ERR_HOST_BUS;
- host_ehi->action |= ATA_EH_RESET;
- ata_ehi_push_desc(host_ehi, "host bus error");
- }
-
- if (irq_stat & PORT_IRQ_IF_ERR) {
- host_ehi->err_mask |= AC_ERR_ATA_BUS;
- host_ehi->action |= ATA_EH_RESET;
- ata_ehi_push_desc(host_ehi, "interface fatal error");
- }
-
- if (irq_stat & (PORT_IRQ_CONNECT | PORT_IRQ_PHYRDY)) {
- ata_ehi_hotplugged(host_ehi);
- ata_ehi_push_desc(host_ehi, "%s",
- irq_stat & PORT_IRQ_CONNECT ?
- "connection status changed" : "PHY RDY changed");
- }
-
- /* okay, let's hand over to EH */
-
- if (irq_stat & PORT_IRQ_FREEZE)
- ata_port_freeze(ap);
- else
- ata_port_abort(ap);
-}
-
-static void ahci_port_intr(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- struct ata_eh_info *ehi = &ap->link.eh_info;
- struct ahci_port_priv *pp = ap->private_data;
- struct ahci_host_priv *hpriv = ap->host->private_data;
- int resetting = !!(ap->pflags & ATA_PFLAG_RESETTING);
- u32 status, qc_active;
- int rc;
-
- status = readl(port_mmio + PORT_IRQ_STAT);
- writel(status, port_mmio + PORT_IRQ_STAT);
-
- /* ignore BAD_PMP while resetting */
- if (unlikely(resetting))
- status &= ~PORT_IRQ_BAD_PMP;
-
- /* If we are getting PhyRdy, this is
- * just a power state change, we should
- * clear out this, plus the PhyRdy/Comm
- * Wake bits from Serror
- */
- if ((hpriv->flags & AHCI_HFLAG_NO_HOTPLUG) &&
- (status & PORT_IRQ_PHYRDY)) {
- status &= ~PORT_IRQ_PHYRDY;
- ahci_scr_write(&ap->link, SCR_ERROR, ((1 << 16) | (1 << 18)));
- }
-
- if (unlikely(status & PORT_IRQ_ERROR)) {
- ahci_error_intr(ap, status);
- return;
- }
-
- if (status & PORT_IRQ_SDB_FIS) {
- /* If SNotification is available, leave notification
- * handling to sata_async_notification(). If not,
- * emulate it by snooping SDB FIS RX area.
- *
- * Snooping FIS RX area is probably cheaper than
- * poking SNotification but some constrollers which
- * implement SNotification, ICH9 for example, don't
- * store AN SDB FIS into receive area.
- */
- if (hpriv->cap & HOST_CAP_SNTF)
- sata_async_notification(ap);
- else {
- /* If the 'N' bit in word 0 of the FIS is set,
- * we just received asynchronous notification.
- * Tell libata about it.
- */
- const __le32 *f = pp->rx_fis + RX_FIS_SDB;
- u32 f0 = le32_to_cpu(f[0]);
-
- if (f0 & (1 << 15))
- sata_async_notification(ap);
- }
- }
-
- /* pp->active_link is valid iff any command is in flight */
- if (ap->qc_active && pp->active_link->sactive)
- qc_active = readl(port_mmio + PORT_SCR_ACT);
- else
- qc_active = readl(port_mmio + PORT_CMD_ISSUE);
-
- rc = ata_qc_complete_multiple(ap, qc_active);
-
- /* while resetting, invalid completions are expected */
- if (unlikely(rc < 0 && !resetting)) {
- ehi->err_mask |= AC_ERR_HSM;
- ehi->action |= ATA_EH_RESET;
- ata_port_freeze(ap);
- }
-}
-
-static irqreturn_t ahci_interrupt(int irq, void *dev_instance)
-{
- struct ata_host *host = dev_instance;
- struct ahci_host_priv *hpriv;
- unsigned int i, handled = 0;
- void __iomem *mmio;
- u32 irq_stat, irq_masked;
-
- VPRINTK("ENTER\n");
-
- hpriv = host->private_data;
- mmio = host->iomap[AHCI_PCI_BAR];
-
- /* sigh. 0xffffffff is a valid return from h/w */
- irq_stat = readl(mmio + HOST_IRQ_STAT);
- if (!irq_stat)
- return IRQ_NONE;
-
- irq_masked = irq_stat & hpriv->port_map;
-
- spin_lock(&host->lock);
-
- for (i = 0; i < host->n_ports; i++) {
- struct ata_port *ap;
-
- if (!(irq_masked & (1 << i)))
- continue;
-
- ap = host->ports[i];
- if (ap) {
- ahci_port_intr(ap);
- VPRINTK("port %u\n", i);
- } else {
- VPRINTK("port %u (no irq)\n", i);
- if (ata_ratelimit())
- dev_printk(KERN_WARNING, host->dev,
- "interrupt on disabled port %u\n", i);
- }
-
- handled = 1;
- }
-
- /* HOST_IRQ_STAT behaves as level triggered latch meaning that
- * it should be cleared after all the port events are cleared;
- * otherwise, it will raise a spurious interrupt after each
- * valid one. Please read section 10.6.2 of ahci 1.1 for more
- * information.
- *
- * Also, use the unmasked value to clear interrupt as spurious
- * pending event on a dummy port might cause screaming IRQ.
- */
- writel(irq_stat, mmio + HOST_IRQ_STAT);
-
- spin_unlock(&host->lock);
-
- VPRINTK("EXIT\n");
-
- return IRQ_RETVAL(handled);
-}
-
-static unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
-{
- struct ata_port *ap = qc->ap;
- void __iomem *port_mmio = ahci_port_base(ap);
- struct ahci_port_priv *pp = ap->private_data;
-
- /* Keep track of the currently active link. It will be used
- * in completion path to determine whether NCQ phase is in
- * progress.
- */
- pp->active_link = qc->dev->link;
-
- if (qc->tf.protocol == ATA_PROT_NCQ)
- writel(1 << qc->tag, port_mmio + PORT_SCR_ACT);
- writel(1 << qc->tag, port_mmio + PORT_CMD_ISSUE);
-
- ahci_sw_activity(qc->dev->link);
-
- return 0;
-}
-
-static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
-{
- struct ahci_port_priv *pp = qc->ap->private_data;
- u8 *d2h_fis = pp->rx_fis + RX_FIS_D2H_REG;
-
- ata_tf_from_fis(d2h_fis, &qc->result_tf);
- return true;
-}
-
-static void ahci_freeze(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
-
- /* turn IRQ off */
- writel(0, port_mmio + PORT_IRQ_MASK);
-}
-
-static void ahci_thaw(struct ata_port *ap)
-{
- void __iomem *mmio = ap->host->iomap[AHCI_PCI_BAR];
- void __iomem *port_mmio = ahci_port_base(ap);
- u32 tmp;
- struct ahci_port_priv *pp = ap->private_data;
-
- /* clear IRQ */
- tmp = readl(port_mmio + PORT_IRQ_STAT);
- writel(tmp, port_mmio + PORT_IRQ_STAT);
- writel(1 << ap->port_no, mmio + HOST_IRQ_STAT);
-
- /* turn IRQ back on */
- writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
-}
-
-static void ahci_error_handler(struct ata_port *ap)
-{
- if (!(ap->pflags & ATA_PFLAG_FROZEN)) {
- /* restart engine */
- ahci_stop_engine(ap);
- ahci_start_engine(ap);
- }
-
- sata_pmp_error_handler(ap);
-}
-
-static void ahci_post_internal_cmd(struct ata_queued_cmd *qc)
-{
- struct ata_port *ap = qc->ap;
-
- /* make DMA engine forget about the failed command */
- if (qc->flags & ATA_QCFLAG_FAILED)
- ahci_kick_engine(ap, 1);
-}
-
-static void ahci_pmp_attach(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- struct ahci_port_priv *pp = ap->private_data;
- u32 cmd;
-
- cmd = readl(port_mmio + PORT_CMD);
- cmd |= PORT_CMD_PMP;
- writel(cmd, port_mmio + PORT_CMD);
-
- pp->intr_mask |= PORT_IRQ_BAD_PMP;
- writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
-}
-
-static void ahci_pmp_detach(struct ata_port *ap)
-{
- void __iomem *port_mmio = ahci_port_base(ap);
- struct ahci_port_priv *pp = ap->private_data;
- u32 cmd;
-
- cmd = readl(port_mmio + PORT_CMD);
- cmd &= ~PORT_CMD_PMP;
- writel(cmd, port_mmio + PORT_CMD);
-
- pp->intr_mask &= ~PORT_IRQ_BAD_PMP;
- writel(pp->intr_mask, port_mmio + PORT_IRQ_MASK);
-}
-
-static int ahci_port_resume(struct ata_port *ap)
-{
- ahci_power_up(ap);
- ahci_start_port(ap);
-
- if (sata_pmp_attached(ap))
- ahci_pmp_attach(ap);
- else
- ahci_pmp_detach(ap);
-
- return 0;
-}
-
#ifdef CONFIG_PM
-static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)
-{
- const char *emsg = NULL;
- int rc;
-
- rc = ahci_deinit_port(ap, &emsg);
- if (rc == 0)
- ahci_power_down(ap);
- else {
- ata_port_printk(ap, KERN_ERR, "%s (%d)\n", emsg, rc);
- ahci_start_port(ap);
- }
-
- return rc;
-}
-
static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
{
struct ata_host *host = dev_get_drvdata(&pdev->dev);
struct ahci_host_priv *hpriv = host->private_data;
- void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
+ void __iomem *mmio = hpriv->mmio;
u32 ctl;
if (mesg.event & PM_EVENT_SUSPEND &&
@@ -2370,11 +583,11 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
return rc;
if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
- rc = ahci_reset_controller(host);
+ rc = ahci_pci_reset_controller(host);
if (rc)
return rc;
- ahci_init_controller(host);
+ ahci_pci_init_controller(host);
}
ata_host_resume(host);
@@ -2383,72 +596,6 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
}
#endif
-static int ahci_port_start(struct ata_port *ap)
-{
- struct device *dev = ap->host->dev;
- struct ahci_port_priv *pp;
- void *mem;
- dma_addr_t mem_dma;
-
- pp = devm_kzalloc(dev, sizeof(*pp), GFP_KERNEL);
- if (!pp)
- return -ENOMEM;
-
- mem = dmam_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma,
- GFP_KERNEL);
- if (!mem)
- return -ENOMEM;
- memset(mem, 0, AHCI_PORT_PRIV_DMA_SZ);
-
- /*
- * First item in chunk of DMA memory: 32-slot command table,
- * 32 bytes each in size
- */
- pp->cmd_slot = mem;
- pp->cmd_slot_dma = mem_dma;
-
- mem += AHCI_CMD_SLOT_SZ;
- mem_dma += AHCI_CMD_SLOT_SZ;
-
- /*
- * Second item: Received-FIS area
- */
- pp->rx_fis = mem;
- pp->rx_fis_dma = mem_dma;
-
- mem += AHCI_RX_FIS_SZ;
- mem_dma += AHCI_RX_FIS_SZ;
-
- /*
- * Third item: data area for storing a single command
- * and its scatter-gather table
- */
- pp->cmd_tbl = mem;
- pp->cmd_tbl_dma = mem_dma;
-
- /*
- * Save off initial list of interrupts to be enabled.
- * This could be changed later
- */
- pp->intr_mask = DEF_PORT_IRQ;
-
- ap->private_data = pp;
-
- /* engage engines, captain */
- return ahci_port_resume(ap);
-}
-
-static void ahci_port_stop(struct ata_port *ap)
-{
- const char *emsg = NULL;
- int rc;
-
- /* de-initialize port */
- rc = ahci_deinit_port(ap, &emsg);
- if (rc)
- ata_port_printk(ap, KERN_WARNING, "%s (%d)\n", emsg, rc);
-}
-
static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
{
int rc;
@@ -2481,30 +628,12 @@ static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
return 0;
}
-static void ahci_print_info(struct ata_host *host)
+static void ahci_pci_print_info(struct ata_host *host)
{
- struct ahci_host_priv *hpriv = host->private_data;
struct pci_dev *pdev = to_pci_dev(host->dev);
- void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
- u32 vers, cap, impl, speed;
- const char *speed_s;
u16 cc;
const char *scc_s;
- vers = readl(mmio + HOST_VERSION);
- cap = hpriv->cap;
- impl = hpriv->port_map;
-
- speed = (cap >> 20) & 0xf;
- if (speed == 1)
- speed_s = "1.5";
- else if (speed == 2)
- speed_s = "3";
- else if (speed == 3)
- speed_s = "6";
- else
- speed_s = "?";
-
pci_read_config_word(pdev, 0x0a, &cc);
if (cc == PCI_CLASS_STORAGE_IDE)
scc_s = "IDE";
@@ -2515,46 +644,7 @@ static void ahci_print_info(struct ata_host *host)
else
scc_s = "unknown";
- dev_printk(KERN_INFO, &pdev->dev,
- "AHCI %02x%02x.%02x%02x "
- "%u slots %u ports %s Gbps 0x%x impl %s mode\n"
- ,
-
- (vers >> 24) & 0xff,
- (vers >> 16) & 0xff,
- (vers >> 8) & 0xff,
- vers & 0xff,
-
- ((cap >> 8) & 0x1f) + 1,
- (cap & 0x1f) + 1,
- speed_s,
- impl,
- scc_s);
-
- dev_printk(KERN_INFO, &pdev->dev,
- "flags: "
- "%s%s%s%s%s%s%s"
- "%s%s%s%s%s%s%s"
- "%s\n"
- ,
-
- cap & (1 << 31) ? "64bit " : "",
- cap & (1 << 30) ? "ncq " : "",
- cap & (1 << 29) ? "sntf " : "",
- cap & (1 << 28) ? "ilck " : "",
- cap & (1 << 27) ? "stag " : "",
- cap & (1 << 26) ? "pm " : "",
- cap & (1 << 25) ? "led " : "",
-
- cap & (1 << 24) ? "clo " : "",
- cap & (1 << 19) ? "nz " : "",
- cap & (1 << 18) ? "only " : "",
- cap & (1 << 17) ? "pmp " : "",
- cap & (1 << 15) ? "pio " : "",
- cap & (1 << 14) ? "slum " : "",
- cap & (1 << 13) ? "part " : "",
- cap & (1 << 6) ? "ems ": ""
- );
+ ahci_print_info(host, scc_s);
}
/* On ASUS P5W DH Deluxe, the second port of PCI device 00:1f.2 is
@@ -2789,6 +879,55 @@ static bool ahci_broken_online(struct pci_dev *pdev)
return pdev->bus->number == (val >> 8) && pdev->devfn == (val & 0xff);
}
+#ifdef CONFIG_ATA_ACPI
+static void ahci_gtf_filter_workaround(struct ata_host *host)
+{
+ static const struct dmi_system_id sysids[] = {
+ /*
+ * Aspire 3810T issues a bunch of SATA enable commands
+ * via _GTF including an invalid one and one which is
+ * rejected by the device. Among the successful ones
+ * is FPDMA non-zero offset enable which when enabled
+ * only on the drive side leads to NCQ command
+ * failures. Filter it out.
+ */
+ {
+ .ident = "Aspire 3810T",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3810T"),
+ },
+ .driver_data = (void *)ATA_ACPI_FILTER_FPDMA_OFFSET,
+ },
+ { }
+ };
+ const struct dmi_system_id *dmi = dmi_first_match(sysids);
+ unsigned int filter;
+ int i;
+
+ if (!dmi)
+ return;
+
+ filter = (unsigned long)dmi->driver_data;
+ dev_printk(KERN_INFO, host->dev,
+ "applying extra ACPI _GTF filter 0x%x for %s\n",
+ filter, dmi->ident);
+
+ for (i = 0; i < host->n_ports; i++) {
+ struct ata_port *ap = host->ports[i];
+ struct ata_link *link;
+ struct ata_device *dev;
+
+ ata_for_each_link(link, ap, EDGE)
+ ata_for_each_dev(dev, link, ALL)
+ dev->gtf_filter |= filter;
+ }
+}
+#else
+static inline void ahci_gtf_filter_workaround(struct ata_host *host)
+{}
+#endif
+
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
static int printed_version;
@@ -2864,33 +1003,19 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!(hpriv->flags & AHCI_HFLAG_NO_MSI))
pci_enable_msi(pdev);
+ hpriv->mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR];
+
/* save initial config */
- ahci_save_initial_config(pdev, hpriv);
+ ahci_pci_save_initial_config(pdev, hpriv);
/* prepare host */
if (hpriv->cap & HOST_CAP_NCQ)
- pi.flags |= ATA_FLAG_NCQ;
+ pi.flags |= ATA_FLAG_NCQ | ATA_FLAG_FPDMA_AA;
if (hpriv->cap & HOST_CAP_PMP)
pi.flags |= ATA_FLAG_PMP;
- if (ahci_em_messages && (hpriv->cap & HOST_CAP_EMS)) {
- u8 messages;
- void __iomem *mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR];
- u32 em_loc = readl(mmio + HOST_EM_LOC);
- u32 em_ctl = readl(mmio + HOST_EM_CTL);
-
- messages = (em_ctl & EM_CTRL_MSG_TYPE) >> 16;
-
- /* we only support LED message type right now */
- if ((messages & 0x01) && (ahci_em_messages == 1)) {
- /* store em_loc */
- hpriv->em_loc = ((em_loc >> 16) * 4);
- pi.flags |= ATA_FLAG_EM;
- if (!(em_ctl & EM_CTL_ALHD))
- pi.flags |= ATA_FLAG_SW_ACTIVITY;
- }
- }
+ ahci_set_em_messages(hpriv, &pi);
if (ahci_broken_system_poweroff(pdev)) {
pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
@@ -2920,7 +1045,6 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
if (!host)
return -ENOMEM;
- host->iomap = pcim_iomap_table(pdev);
host->private_data = hpriv;
if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
@@ -2954,17 +1078,20 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* apply workaround for ASUS P5W DH Deluxe mainboard */
ahci_p5wdh_workaround(host);
+ /* apply gtf filter quirk */
+ ahci_gtf_filter_workaround(host);
+
/* initialize adapter */
rc = ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64);
if (rc)
return rc;
- rc = ahci_reset_controller(host);
+ rc = ahci_pci_reset_controller(host);
if (rc)
return rc;
- ahci_init_controller(host);
- ahci_print_info(host);
+ ahci_pci_init_controller(host);
+ ahci_pci_print_info(host);
pci_set_master(pdev);
return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 072ba5ea138f..98af50f16e0c 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2299,29 +2299,49 @@ static inline u8 ata_dev_knobble(struct ata_device *dev)
return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));
}
-static void ata_dev_config_ncq(struct ata_device *dev,
+static int ata_dev_config_ncq(struct ata_device *dev,
char *desc, size_t desc_sz)
{
struct ata_port *ap = dev->link->ap;
int hdepth = 0, ddepth = ata_id_queue_depth(dev->id);
+ unsigned int err_mask;
+ char *aa_desc = "";
if (!ata_id_has_ncq(dev->id)) {
desc[0] = '\0';
- return;
+ return 0;
}
if (dev->horkage & ATA_HORKAGE_NONCQ) {
snprintf(desc, desc_sz, "NCQ (not used)");
- return;
+ return 0;
}
if (ap->flags & ATA_FLAG_NCQ) {
hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE - 1);
dev->flags |= ATA_DFLAG_NCQ;
}
+ if (!(dev->horkage & ATA_HORKAGE_BROKEN_FPDMA_AA) &&
+ (ap->flags & ATA_FLAG_FPDMA_AA) &&
+ ata_id_has_fpdma_aa(dev->id)) {
+ err_mask = ata_dev_set_feature(dev, SETFEATURES_SATA_ENABLE,
+ SATA_FPDMA_AA);
+ if (err_mask) {
+ ata_dev_printk(dev, KERN_ERR, "failed to enable AA"
+ "(error_mask=0x%x)\n", err_mask);
+ if (err_mask != AC_ERR_DEV) {
+ dev->horkage |= ATA_HORKAGE_BROKEN_FPDMA_AA;
+ return -EIO;
+ }
+ } else
+ aa_desc = ", AA";
+ }
+
if (hdepth >= ddepth)
- snprintf(desc, desc_sz, "NCQ (depth %d)", ddepth);
+ snprintf(desc, desc_sz, "NCQ (depth %d)%s", ddepth, aa_desc);
else
- snprintf(desc, desc_sz, "NCQ (depth %d/%d)", hdepth, ddepth);
+ snprintf(desc, desc_sz, "NCQ (depth %d/%d)%s", hdepth,
+ ddepth, aa_desc);
+ return 0;
}
/**
@@ -2461,7 +2481,7 @@ int ata_dev_configure(struct ata_device *dev)
if (ata_id_has_lba(id)) {
const char *lba_desc;
- char ncq_desc[20];
+ char ncq_desc[24];
lba_desc = "LBA";
dev->flags |= ATA_DFLAG_LBA;
@@ -2475,7 +2495,9 @@ int ata_dev_configure(struct ata_device *dev)
}
/* config NCQ */
- ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
+ rc = ata_dev_config_ncq(dev, ncq_desc, sizeof(ncq_desc));
+ if (rc)
+ return rc;
/* print device info to dmesg */
if (ata_msg_drv(ap) && print_info) {
diff --git a/drivers/ata/pata_fsl.c b/drivers/ata/pata_fsl.c
index c1d05282da03..955095039257 100644
--- a/drivers/ata/pata_fsl.c
+++ b/drivers/ata/pata_fsl.c
@@ -3,7 +3,7 @@
*/
/*
- * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2007-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -766,10 +766,11 @@ static int __devinit pata_fsl_probe(struct platform_device *pdev)
/*
* Set up resources
*/
- if (unlikely(pdev->num_resources != 3)) {
+ if (unlikely(pdev->num_resources != 2)) {
dev_err(&pdev->dev, "invalid number of resources\n");
return -EINVAL;
}
+
/*
* Get an ata_host structure for this device
*/
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index dc99e26f8e5b..c4647f5b6a22 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -136,7 +136,7 @@ static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
*
*/
-void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
+static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
{
int count;
struct ata_port *ap;
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 8efaa5ca8a03..49f086977c37 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -444,7 +444,7 @@ config MXC_IIM
config MXS_VIIM
tristate "MXS Virtual IIM device driver"
- depends on (ARCH_STMP3XXX || ARCH_MXS)
+ depends on (ARCH_STMP3XXX || ARCH_MXS || ARCH_MX5)
help
Support for access to MXS Virtual IIM device, most people should say N here.
@@ -564,6 +564,22 @@ config BFIN_OTP_WRITE_ENABLE
If unsure, say N.
+config FSL_OTP
+ tristate "Freescale On-Chip OTP Memory Support"
+ depends on (ARCH_MX23 || ARCH_MX28 || ARCH_MX50)
+ default n
+ help
+ If you say Y here, you will get support for a character device
+ interface into the One Time Programmable memory pages that are
+ stored on the iMX23/28/50 processor. This will not get you access
+ to the secure memory pages however. You will need to write your
+ own secure code and reader for that.
+
+ To compile this driver as a module, choose M here: the module
+ will be called fsl_otp.
+
+ If unsure, it is safe to say Y.
+
config PRINTER
tristate "Parallel printer support"
depends on PARPORT
diff --git a/drivers/char/Makefile b/drivers/char/Makefile
index c711f02de8f7..898ce27e335d 100644
--- a/drivers/char/Makefile
+++ b/drivers/char/Makefile
@@ -69,6 +69,7 @@ obj-$(CONFIG_IBM_BSR) += bsr.o
obj-$(CONFIG_SGI_MBCS) += mbcs.o
obj-$(CONFIG_BRIQ_PANEL) += briq_panel.o
obj-$(CONFIG_BFIN_OTP) += bfin-otp.o
+obj-$(CONFIG_FSL_OTP) += fsl_otp.o
obj-$(CONFIG_PRINTER) += lp.o
diff --git a/drivers/char/hw_random/fsl-rngc.c b/drivers/char/hw_random/fsl-rngc.c
index 9bf78e846fa0..9e788f97c4d8 100644
--- a/drivers/char/hw_random/fsl-rngc.c
+++ b/drivers/char/hw_random/fsl-rngc.c
@@ -1,7 +1,7 @@
/*
* RNG driver for Freescale RNGC
*
- * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2008-2010 Freescale Semiconductor, Inc.
*/
/*
@@ -42,7 +42,6 @@
#include <linux/interrupt.h>
#include <linux/hw_random.h>
#include <linux/io.h>
-#include <asm/hardware.h>
#define RNGC_VERSION_MAJOR3 3
@@ -292,7 +291,7 @@ static int __init fsl_rngc_probe(struct platform_device *pdev)
if (rng_dev)
return -EBUSY;
- clk = clk_get(NULL, "rng_clk");
+ clk = clk_get(&pdev->dev, "rng_clk");
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "Can not get rng_clk\n");
@@ -334,9 +333,17 @@ static int __init fsl_rngc_probe(struct platform_device *pdev)
static int __exit fsl_rngc_remove(struct platform_device *pdev)
{
+ struct clk *clk;
struct resource *mem = dev_get_drvdata(&pdev->dev);
void __iomem *rngc_base = (void __iomem *)fsl_rngc.priv;
+ clk = clk_get(&pdev->dev, "rng_clk");
+
+ if (IS_ERR(clk))
+ dev_err(&pdev->dev, "Can not get rng_clk\n");
+ else
+ clk_disable(clk);
+
hwrng_unregister(&fsl_rngc);
release_resource(mem);
@@ -346,12 +353,47 @@ static int __exit fsl_rngc_remove(struct platform_device *pdev)
return 0;
}
+static int fsl_rngc_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+#ifdef CONFIG_PM
+ struct clk *clk = clk_get(&pdev->dev, "rng_clk");
+
+ if (IS_ERR(clk)) {
+ dev_err(&pdev->dev, "Can not get rng_clk\n");
+ return PTR_ERR(clk);
+ }
+
+ clk_disable(clk);
+#endif
+
+ return 0;
+}
+
+static int fsl_rngc_resume(struct platform_device *pdev)
+{
+#ifdef CONFIG_PM
+ struct clk *clk = clk_get(&pdev->dev, "rng_clk");
+
+ if (IS_ERR(clk)) {
+ dev_err(&pdev->dev, "Can not get rng_clk\n");
+ return PTR_ERR(clk);
+ }
+
+ clk_enable(clk);
+#endif
+
+ return 0;
+}
+
static struct platform_driver fsl_rngc_driver = {
.driver = {
.name = "fsl_rngc",
.owner = THIS_MODULE,
},
.remove = __exit_p(fsl_rngc_remove),
+ .suspend = fsl_rngc_suspend,
+ .resume = fsl_rngc_resume,
};
static int __init mod_init(void)
diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
index 9c2919a431a8..5057cb958230 100644
--- a/drivers/crypto/Kconfig
+++ b/drivers/crypto/Kconfig
@@ -211,7 +211,7 @@ config CRYPTO_DEV_PPC4XX
config CRYPTO_DEV_DCP
tristate "Support for the DCP engine"
- depends on ARCH_MX28 || ARCH_MX23
+ depends on ARCH_MX28 || ARCH_MX23 || ARCH_MX50
select CRYPTO_ALGAPI
select CRYPTO_BLKCIPHER
help
diff --git a/drivers/crypto/dcp.c b/drivers/crypto/dcp.c
index a72d73382778..eb7a83d276b7 100644
--- a/drivers/crypto/dcp.c
+++ b/drivers/crypto/dcp.c
@@ -17,10 +17,16 @@
#include <linux/module.h>
#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/sysdev.h>
+#include <linux/bitops.h>
#include <linux/crypto.h>
#include <linux/spinlock.h>
+#include <linux/miscdevice.h>
#include <linux/platform_device.h>
#include <linux/err.h>
+#include <linux/sysfs.h>
+#include <linux/fs.h>
#include <crypto/algapi.h>
#include <crypto/aes.h>
#include <crypto/sha.h>
@@ -29,13 +35,21 @@
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
-
+#include <linux/uaccess.h>
+#include <linux/clk.h>
#include <linux/io.h>
#include <linux/delay.h>
#include <asm/cacheflush.h>
#include <mach/hardware.h>
#include "dcp.h"
+#include "dcp_bootstream_ioctl.h"
+
+/* Following data only used by DCP bootstream interface */
+struct dcpboot_dma_area {
+ struct dcp_hw_packet hw_packet;
+ uint16_t block[16];
+};
struct dcp {
struct device *dev;
@@ -46,6 +60,8 @@ struct dcp {
int dcp_vmi_irq;
int dcp_irq;
u32 dcp_regs_base;
+ ulong clock_state;
+ bool chan_in_use[DCP_NUM_CHANNELS];
/* Following buffers used in hashing to meet 64-byte len alignment */
char *buf1;
@@ -55,6 +71,10 @@ struct dcp {
struct dcp_hash_coherent_block *buf1_desc;
struct dcp_hash_coherent_block *buf2_desc;
struct dcp_hash_coherent_block *user_buf_desc;
+
+ /* Following data only used by DCP bootstream interface */
+ struct dcpboot_dma_area *dcpboot_dma_area;
+ dma_addr_t dcpboot_dma_area_phys;
};
/* cipher flags */
@@ -77,6 +97,10 @@ struct dcp {
#define DCP_FILL 0x5000
#define DCP_MODE_MASK 0xf000
+/* clock defines */
+#define CLOCK_ON 1
+#define CLOCK_OFF 0
+
struct dcp_op {
unsigned int flags;
@@ -159,6 +183,45 @@ struct dcp_hash_op {
/* only one */
static struct dcp *global_sdcp;
+static void dcp_clock(struct dcp *sdcp, ulong state, bool force)
+{
+ u32 chan;
+ struct clk *clk = clk_get(sdcp->dev, "dcp_clk");
+
+ /* unless force is true (used during suspend/resume), if any
+ * channel is running, then clk is already on, and must stay on */
+ if (!force)
+ for (chan = 0; chan < DCP_NUM_CHANNELS; chan++)
+ if (sdcp->chan_in_use[chan])
+ goto exit;
+
+ if (state == CLOCK_OFF) {
+ /* gate at clock source */
+ if (!IS_ERR(clk))
+ clk_disable(clk);
+ /* gate at DCP */
+ else
+ __raw_writel(BM_DCP_CTRL_CLKGATE,
+ sdcp->dcp_regs_base + HW_DCP_CTRL_SET);
+
+ sdcp->clock_state = CLOCK_OFF;
+
+ } else {
+ /* ungate at clock source */
+ if (!IS_ERR(clk))
+ clk_enable(clk);
+ /* ungate at DCP */
+ else
+ __raw_writel(BM_DCP_CTRL_CLKGATE,
+ sdcp->dcp_regs_base + HW_DCP_CTRL_CLR);
+
+ sdcp->clock_state = CLOCK_ON;
+ }
+
+exit:
+ return;
+}
+
static void dcp_perform_op(struct dcp_op *op)
{
struct dcp *sdcp = global_sdcp;
@@ -244,6 +307,8 @@ static void dcp_perform_op(struct dcp_op *op)
/* submit the work */
mutex_lock(mutex);
+ dcp_clock(sdcp, CLOCK_ON, false);
+ sdcp->chan_in_use[chan] = true;
__raw_writel(-1, sdcp->dcp_regs_base + HW_DCP_CHnSTAT_CLR(chan));
@@ -272,8 +337,9 @@ static void dcp_perform_op(struct dcp_op *op)
__raw_readl(sdcp->dcp_regs_base +
HW_DCP_CHnSTAT(chan)) & 0xff);
out:
+ sdcp->chan_in_use[chan] = false;
+ dcp_clock(sdcp, CLOCK_OFF, false);
mutex_unlock(mutex);
-
dma_unmap_single(sdcp->dev, pkt_phys, sizeof(*pkt), DMA_TO_DEVICE);
}
@@ -1043,6 +1109,8 @@ static int dcp_sha_init(struct shash_desc *desc)
struct mutex *mutex = &sdcp->op_mutex[HASH_CHAN];
mutex_lock(mutex);
+ dcp_clock(sdcp, CLOCK_ON, false);
+ sdcp->chan_in_use[HASH_CHAN] = true;
op->length = 0;
@@ -1172,6 +1240,8 @@ static int dcp_sha_final(struct shash_desc *desc, u8 *out)
for (i = 0; i < digest_len; i++)
*out++ = *--digest;
+ sdcp->chan_in_use[HASH_CHAN] = false;
+ dcp_clock(sdcp, CLOCK_OFF, false);
mutex_unlock(mutex);
return ret;
@@ -1245,6 +1315,110 @@ static irqreturn_t dcp_irq(int irq, void *context)
return dcp_common_irq(irq, context);
}
+/* DCP bootstream verification interface: uses OTP key for crypto */
+static int dcp_bootstream_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct dcp *sdcp = global_sdcp;
+ struct dcpboot_dma_area *da = sdcp->dcpboot_dma_area;
+ void __user *argp = (void __user *)arg;
+ int chan = ROM_DCP_CHAN;
+ unsigned long timeout;
+ struct mutex *mutex;
+ int retVal;
+
+ /* be paranoid */
+ if (sdcp == NULL)
+ return -EBADF;
+
+ if (cmd != DBS_ENC && cmd != DBS_DEC)
+ return -EINVAL;
+
+ /* copy to (aligned) block */
+ if (copy_from_user(da->block, argp, 16))
+ return -EFAULT;
+
+ mutex = &sdcp->op_mutex[chan];
+ mutex_lock(mutex);
+ dcp_clock(sdcp, CLOCK_ON, false);
+ sdcp->chan_in_use[chan] = true;
+
+ __raw_writel(-1, sdcp->dcp_regs_base +
+ HW_DCP_CHnSTAT_CLR(ROM_DCP_CHAN));
+ __raw_writel(BF(ROM_DCP_CHAN_MASK, DCP_STAT_IRQ),
+ sdcp->dcp_regs_base + HW_DCP_STAT_CLR);
+
+ da->hw_packet.pNext = 0;
+ da->hw_packet.pkt1 = BM_DCP_PACKET1_DECR_SEMAPHORE |
+ BM_DCP_PACKET1_ENABLE_CIPHER | BM_DCP_PACKET1_OTP_KEY |
+ BM_DCP_PACKET1_INTERRUPT |
+ (cmd == DBS_ENC ? BM_DCP_PACKET1_CIPHER_ENCRYPT : 0);
+ da->hw_packet.pkt2 = BF(0, DCP_PACKET2_CIPHER_CFG) |
+ BF(0, DCP_PACKET2_KEY_SELECT) |
+ BF(BV_DCP_PACKET2_CIPHER_MODE__ECB, DCP_PACKET2_CIPHER_MODE) |
+ BF(BV_DCP_PACKET2_CIPHER_SELECT__AES128, DCP_PACKET2_CIPHER_SELECT);
+ da->hw_packet.pSrc = sdcp->dcpboot_dma_area_phys +
+ offsetof(struct dcpboot_dma_area, block);
+ da->hw_packet.pDst = da->hw_packet.pSrc; /* in-place */
+ da->hw_packet.size = 16;
+ da->hw_packet.pPayload = 0;
+ da->hw_packet.stat = 0;
+
+ /* Load the work packet pointer and bump the channel semaphore */
+ __raw_writel(sdcp->dcpboot_dma_area_phys +
+ offsetof(struct dcpboot_dma_area, hw_packet),
+ sdcp->dcp_regs_base + HW_DCP_CHnCMDPTR(ROM_DCP_CHAN));
+
+ sdcp->wait[chan] = 0;
+ __raw_writel(BF(1, DCP_CHnSEMA_INCREMENT),
+ sdcp->dcp_regs_base + HW_DCP_CHnSEMA(ROM_DCP_CHAN));
+
+ timeout = jiffies + msecs_to_jiffies(100);
+
+ while (time_before(jiffies, timeout) && sdcp->wait[chan] == 0)
+ cpu_relax();
+
+ if (!time_before(jiffies, timeout)) {
+ dev_err(sdcp->dev,
+ "Timeout while waiting for operation to complete\n");
+ retVal = -ETIMEDOUT;
+ goto exit;
+ }
+
+ if ((__raw_readl(sdcp->dcp_regs_base + HW_DCP_CHnSTAT(ROM_DCP_CHAN))
+ & 0xff) != 0) {
+ dev_err(sdcp->dev, "Channel stat error 0x%02x\n",
+ __raw_readl(sdcp->dcp_regs_base +
+ HW_DCP_CHnSTAT(ROM_DCP_CHAN)) & 0xff);
+ retVal = -EFAULT;
+ goto exit;
+ }
+
+ if (copy_to_user(argp, da->block, 16)) {
+ retVal = -EFAULT;
+ goto exit;
+ }
+
+ retVal = 0;
+
+exit:
+ sdcp->chan_in_use[chan] = false;
+ dcp_clock(sdcp, CLOCK_OFF, false);
+ mutex_unlock(mutex);
+ return retVal;
+}
+
+static const struct file_operations dcp_bootstream_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = dcp_bootstream_ioctl,
+};
+
+static struct miscdevice dcp_bootstream_misc = {
+ .minor = MISC_DYNAMIC_MINOR,
+ .name = "dcpboot",
+ .fops = &dcp_bootstream_fops,
+};
+
static int dcp_probe(struct platform_device *pdev)
{
struct dcp *sdcp = NULL;
@@ -1272,6 +1446,7 @@ static int dcp_probe(struct platform_device *pdev)
for (i = 0; i < DCP_NUM_CHANNELS; i++) {
mutex_init(&sdcp->op_mutex[i]);
init_completion(&sdcp->op_wait[i]);
+ sdcp->chan_in_use[i] = false;
}
platform_set_drvdata(pdev, sdcp);
@@ -1282,7 +1457,8 @@ static int dcp_probe(struct platform_device *pdev)
ret = -ENXIO;
goto err_kfree;
}
- sdcp->dcp_regs_base = (u32) IO_ADDRESS(r->start);
+ sdcp->dcp_regs_base = (u32) ioremap(r->start, r->end - r->start + 1);
+ dcp_clock(sdcp, CLOCK_ON, true);
/* Soft reset and remove the clock gate */
__raw_writel(BM_DCP_CTRL_SFTRST, sdcp->dcp_regs_base + HW_DCP_CTRL_SET);
@@ -1318,14 +1494,14 @@ static int dcp_probe(struct platform_device *pdev)
if (!r) {
dev_err(&pdev->dev, "can't get IRQ resource (0)\n");
ret = -EIO;
- goto err_kfree;
+ goto err_gate_clk;
}
sdcp->dcp_vmi_irq = r->start;
ret = request_irq(sdcp->dcp_vmi_irq, dcp_vmi_irq, 0, "dcp",
sdcp);
if (ret != 0) {
dev_err(&pdev->dev, "can't request_irq (0)\n");
- goto err_kfree;
+ goto err_gate_clk;
}
r = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
@@ -1346,7 +1522,7 @@ static int dcp_probe(struct platform_device *pdev)
ret = crypto_register_alg(&dcp_aes_alg);
if (ret != 0) {
dev_err(&pdev->dev, "Failed to register aes crypto\n");
- goto err_kfree;
+ goto err_free_irq1;
}
ret = crypto_register_alg(&dcp_aes_ecb_alg);
@@ -1439,9 +1615,30 @@ static int dcp_probe(struct platform_device *pdev)
}
}
+ /* register dcpboot interface to allow apps (such as kobs-ng) to
+ * verify files (such as the bootstream) using the OTP key for crypto */
+ ret = misc_register(&dcp_bootstream_misc);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Unable to register misc device\n");
+ goto err_unregister_sha1;
+ }
+
+ sdcp->dcpboot_dma_area = dma_alloc_coherent(&pdev->dev,
+ sizeof(*sdcp->dcpboot_dma_area), &sdcp->dcpboot_dma_area_phys,
+ GFP_KERNEL);
+ if (sdcp->dcpboot_dma_area == NULL) {
+ dev_err(&pdev->dev,
+ "Unable to allocate DMAable memory \
+ for dcpboot interface\n");
+ goto err_dereg;
+ }
+
+ dcp_clock(sdcp, CLOCK_OFF, false);
dev_notice(&pdev->dev, "DCP crypto enabled.!\n");
return 0;
+err_dereg:
+ misc_deregister(&dcp_bootstream_misc);
err_unregister_sha1:
crypto_unregister_shash(&dcp_sha1_alg);
err_unregister_aes_cbc:
@@ -1450,8 +1647,12 @@ err_unregister_aes_ecb:
crypto_unregister_alg(&dcp_aes_ecb_alg);
err_unregister_aes:
crypto_unregister_alg(&dcp_aes_alg);
+err_free_irq1:
+ free_irq(sdcp->dcp_irq, sdcp);
err_free_irq0:
free_irq(sdcp->dcp_vmi_irq, sdcp);
+err_gate_clk:
+ dcp_clock(sdcp, CLOCK_OFF, false);
err_kfree:
kfree(sdcp);
err:
@@ -1466,6 +1667,8 @@ static int dcp_remove(struct platform_device *pdev)
sdcp = platform_get_drvdata(pdev);
platform_set_drvdata(pdev, NULL);
+ dcp_clock(sdcp, CLOCK_ON, false);
+
free_irq(sdcp->dcp_irq, sdcp);
free_irq(sdcp->dcp_vmi_irq, sdcp);
@@ -1487,34 +1690,58 @@ static int dcp_remove(struct platform_device *pdev)
sdcp->user_buf_desc, sdcp->user_buf_desc->my_phys);
}
+ if (sdcp->dcpboot_dma_area) {
+ dma_free_coherent(&pdev->dev, sizeof(*sdcp->dcpboot_dma_area),
+ sdcp->dcpboot_dma_area, sdcp->dcpboot_dma_area_phys);
+ misc_deregister(&dcp_bootstream_misc);
+ }
+
+
crypto_unregister_shash(&dcp_sha1_alg);
- crypto_unregister_shash(&dcp_sha256_alg);
+
+ if (__raw_readl(sdcp->dcp_regs_base + HW_DCP_CAPABILITY1) &
+ BF_DCP_CAPABILITY1_HASH_ALGORITHMS(
+ BV_DCP_CAPABILITY1_HASH_ALGORITHMS__SHA256))
+ crypto_unregister_shash(&dcp_sha256_alg);
crypto_unregister_alg(&dcp_aes_cbc_alg);
crypto_unregister_alg(&dcp_aes_ecb_alg);
crypto_unregister_alg(&dcp_aes_alg);
+
+ dcp_clock(sdcp, CLOCK_OFF, true);
+ iounmap((void *) sdcp->dcp_regs_base);
kfree(sdcp);
global_sdcp = NULL;
return 0;
}
-
-#ifdef CONFIG_PM
static int dcp_suspend(struct platform_device *pdev,
pm_message_t state)
{
+#ifdef CONFIG_PM
+ struct dcp *sdcp = platform_get_drvdata(pdev);
+
+ if (sdcp->clock_state == CLOCK_ON) {
+ dcp_clock(sdcp, CLOCK_OFF, true);
+ /* indicate that clock needs to be turned on upon resume */
+ sdcp->clock_state = CLOCK_ON;
+ }
+#endif
return 0;
}
static int dcp_resume(struct platform_device *pdev)
{
+#ifdef CONFIG_PM
+ struct dcp *sdcp = platform_get_drvdata(pdev);
+
+ /* if clock was on prior to suspend, turn it back on */
+ if (sdcp->clock_state == CLOCK_ON)
+ dcp_clock(sdcp, CLOCK_ON, true);
+#endif
return 0;
}
-#else
-#define dcp_suspend NULL
-#define dcp_resume NULL
-#endif
static struct platform_driver dcp_driver = {
.probe = dcp_probe,
diff --git a/drivers/crypto/dcp.h b/drivers/crypto/dcp.h
index 00cd27b479c0..a4db91334d06 100644
--- a/drivers/crypto/dcp.h
+++ b/drivers/crypto/dcp.h
@@ -19,7 +19,12 @@
#define HASH_CHAN 0
#define HASH_MASK (1 << HASH_CHAN)
-#define ALL_MASK (CIPHER_MASK | HASH_MASK)
+/* DCP boostream interface uses this channel (same as the ROM) */
+#define ROM_DCP_CHAN 3
+#define ROM_DCP_CHAN_MASK (1 << ROM_DCP_CHAN)
+
+
+#define ALL_MASK (CIPHER_MASK | HASH_MASK | ROM_DCP_CHAN_MASK)
/* Defines the initialization value for the dcp control register */
#define DCP_CTRL_INIT \
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 81e1020fb514..27e06ebc2a59 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -89,6 +89,15 @@ config MX3_IPU_IRQS
To avoid bloating the irq_desc[] array we allocate a sufficient
number of IRQ slots and map them dynamically to specific sources.
+config MXC_PXP
+ bool "MXC PxP support"
+ select DMA_ENGINE
+
+config MXC_PXP_CLIENT_DEVICE
+ bool "MXC PxP Client Device"
+ default y
+ depends on MXC_PXP
+
config TXX9_DMAC
tristate "Toshiba TXx9 SoC DMA support"
depends on MACH_TX49XX || MACH_TX39XX
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 40e1e0083571..72c212ac6b79 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -9,4 +9,5 @@ obj-$(CONFIG_MV_XOR) += mv_xor.o
obj-$(CONFIG_DW_DMAC) += dw_dmac.o
obj-$(CONFIG_AT_HDMAC) += at_hdmac.o
obj-$(CONFIG_MX3_IPU) += ipu/
+obj-$(CONFIG_MXC_PXP) += pxp/
obj-$(CONFIG_TXX9_DMAC) += txx9dmac.o
diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c
index e3235ff8e551..8bb795e7d7b2 100644
--- a/drivers/i2c/busses/i2c-mxs.c
+++ b/drivers/i2c/busses/i2c-mxs.c
@@ -68,10 +68,19 @@ static u8 *i2c_buf_virt;
static void hw_i2c_dmachan_reset(struct mxs_i2c_dev *dev)
{
+ mxs_dma_disable(dev->dma_chan);
mxs_dma_reset(dev->dma_chan);
mxs_dma_ack_irq(dev->dma_chan);
}
+static mxs_i2c_reset(struct mxs_i2c_dev *mxs_i2c)
+{
+ hw_i2c_dmachan_reset(mxs_i2c);
+ mxs_dma_enable_irq(mxs_i2c->dma_chan, 1);
+ mxs_reset_block((void __iomem *)mxs_i2c->regbase, 0);
+ __raw_writel(0x0000FF00, mxs_i2c->regbase + HW_I2C_CTRL1_SET);
+}
+
static int hw_i2c_dma_init(struct platform_device *pdev)
{
struct mxs_i2c_dev *mxs_i2c = platform_get_drvdata(pdev);
@@ -159,7 +168,7 @@ static void hw_i2c_dma_setup_read(u8 addr, void *buff, int len, int flags)
desc[0]->cmd.cmd.bits.pio_words = 1;
desc[0]->cmd.cmd.bits.wait4end = 1;
desc[0]->cmd.cmd.bits.dec_sem = 1;
- desc[0]->cmd.cmd.bits.irq = 1;
+ desc[0]->cmd.cmd.bits.irq = 0;
desc[0]->cmd.cmd.bits.chain = 1;
desc[0]->cmd.cmd.bits.command = DMA_READ;
desc[0]->cmd.address = i2c_buf_phys;
@@ -319,6 +328,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap,
msecs_to_jiffies(1000)
);
if (err <= 0) {
+ mxs_i2c_reset(dev);
dev_dbg(dev->dev, "controller is timed out\n");
return -ETIMEDOUT;
}
@@ -365,9 +375,19 @@ static irqreturn_t mxs_i2c_dma_isr(int this_irq, void *dev_id)
mxs_dma_ack_irq(mxs_i2c->dma_chan);
mxs_dma_cooked(mxs_i2c->dma_chan, &list);
+ complete(&mxs_i2c->cmd_complete);
+
return IRQ_HANDLED;
}
+static void mxs_i2c_task(struct work_struct *work)
+{
+ struct mxs_i2c_dev *mxs_i2c = container_of(work,
+ struct mxs_i2c_dev, work);
+ mxs_i2c_reset(mxs_i2c);
+ complete(&mxs_i2c->cmd_complete);
+}
+
#define I2C_IRQ_MASK 0x000000FF
static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
{
@@ -382,20 +402,8 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
if (stat & BM_I2C_CTRL1_NO_SLAVE_ACK_IRQ) {
mxs_i2c->cmd_err = -EREMOTEIO;
-
- /*
- * Stop DMA
- * Clear NAK
- */
- __raw_writel(BM_I2C_CTRL1_CLR_GOT_A_NAK,
- mxs_i2c->regbase + HW_I2C_CTRL1_SET);
- hw_i2c_dmachan_reset(mxs_i2c);
- mxs_reset_block((void __iomem *)mxs_i2c->regbase, 1);
- /* Will catch all error (IRQ mask) */
- __raw_writel(0x0000FF00, mxs_i2c->regbase + HW_I2C_CTRL1_SET);
-
- complete(&mxs_i2c->cmd_complete);
-
+ /* it takes long time to reset i2c */
+ schedule_work(&mxs_i2c->work);
goto done;
}
@@ -407,7 +415,10 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id)
complete(&mxs_i2c->cmd_complete);
goto done;
}
- if ((stat & done_mask) == done_mask)
+
+ if ((stat & done_mask) == done_mask &&
+ (mxs_i2c->flags & MXS_I2C_PIOQUEUE_MODE))
+
complete(&mxs_i2c->cmd_complete);
done:
@@ -524,6 +535,8 @@ static int mxs_i2c_probe(struct platform_device *pdev)
}
+ INIT_WORK(&mxs_i2c->work, mxs_i2c_task);
+
return 0;
no_i2c_adapter:
diff --git a/drivers/i2c/busses/i2c-mxs.h b/drivers/i2c/busses/i2c-mxs.h
index 4ddca007624a..1a35385b793b 100644
--- a/drivers/i2c/busses/i2c-mxs.h
+++ b/drivers/i2c/busses/i2c-mxs.h
@@ -37,5 +37,6 @@ struct mxs_i2c_dev {
struct i2c_adapter adapter;
spinlock_t lock;
wait_queue_head_t queue;
+ struct work_struct work;
};
#endif
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 1148140d08a1..5598ecb48c5b 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -19,6 +19,9 @@
#include <linux/input.h>
#include <linux/major.h>
#include <linux/device.h>
+#ifdef CONFIG_WAKELOCK
+#include <linux/wakelock.h>
+#endif
#include "input-compat.h"
struct evdev {
@@ -42,6 +45,10 @@ struct evdev_client {
struct fasync_struct *fasync;
struct evdev *evdev;
struct list_head node;
+#ifdef CONFIG_WAKELOCK
+ struct wake_lock wake_lock;
+ char name[28];
+#endif
};
static struct evdev *evdev_table[EVDEV_MINORS];
@@ -54,6 +61,9 @@ static void evdev_pass_event(struct evdev_client *client,
* Interrupts are disabled, just acquire the lock
*/
spin_lock(&client->buffer_lock);
+#ifdef CONFIG_WAKELOCK
+ wake_lock_timeout(&client->wake_lock, 5 * HZ);
+#endif
client->buffer[client->head++] = *event;
client->head &= EVDEV_BUFFER_SIZE - 1;
spin_unlock(&client->buffer_lock);
@@ -70,8 +80,15 @@ static void evdev_event(struct input_handle *handle,
struct evdev *evdev = handle->private;
struct evdev_client *client;
struct input_event event;
+#ifdef CONFIG_WAKELOCK
+ struct timespec ts;
+ ktime_get_ts(&ts);
+ event.time.tv_sec = ts.tv_sec;
+ event.time.tv_usec = ts.tv_nsec / NSEC_PER_USEC;
+#else
do_gettimeofday(&event.time);
+#endif
event.type = type;
event.code = code;
event.value = value;
@@ -232,6 +249,9 @@ static int evdev_release(struct inode *inode, struct file *file)
mutex_unlock(&evdev->mutex);
evdev_detach_client(evdev, client);
+#ifdef CONFIG_WAKELOCK
+ wake_lock_destroy(&client->wake_lock);
+#endif
kfree(client);
evdev_close_device(evdev);
@@ -268,6 +288,11 @@ static int evdev_open(struct inode *inode, struct file *file)
}
spin_lock_init(&client->buffer_lock);
+#ifdef CONFIG_WAKELOCK
+ snprintf(client->name, sizeof(client->name), "%s-%d", dev_name(&evdev->dev),
+ task_tgid_vnr(current));
+ wake_lock_init(&client->wake_lock, WAKE_LOCK_SUSPEND, client->name);
+#endif
client->evdev = evdev;
evdev_attach_client(evdev, client);
@@ -331,6 +356,10 @@ static int evdev_fetch_next_event(struct evdev_client *client,
if (have_event) {
*event = client->buffer[client->tail++];
client->tail &= EVDEV_BUFFER_SIZE - 1;
+#ifdef CONFIG_WAKELOCK
+ if (client->head == client->tail)
+ wake_unlock(&client->wake_lock);
+#endif
}
spin_unlock_irq(&client->buffer_lock);
diff --git a/drivers/input/keyboard/Makefile b/drivers/input/keyboard/Makefile
index fea01a591076..88e2a24d9cff 100644
--- a/drivers/input/keyboard/Makefile
+++ b/drivers/input/keyboard/Makefile
@@ -31,7 +31,7 @@ obj-$(CONFIG_KEYBOARD_STOWAWAY) += stowaway.o
obj-$(CONFIG_KEYBOARD_SUNKBD) += sunkbd.o
obj-$(CONFIG_KEYBOARD_TOSA) += tosakbd.o
obj-$(CONFIG_KEYBOARD_XTKBD) += xtkbd.o
-obj-$(CONFIG_KEYBOARD_MXC) += mxc_keyb.o
+obj-$(CONFIG_KEYBOARD_MXC) += mxc_keyb.o mxc_pwrkey.o
obj-$(CONFIG_KEYBOARD_MPR084) += mpr084.o
obj-$(CONFIG_KEYBOARD_STMP3XXX) += stmp3xxx-kbd.o
obj-$(CONFIG_KEYBOARD_MXS) += mxs-kbd.o
diff --git a/drivers/input/keyboard/mxc_keyb.c b/drivers/input/keyboard/mxc_keyb.c
index 99dd7cf51cb5..bd5ecd8c20f1 100644
--- a/drivers/input/keyboard/mxc_keyb.c
+++ b/drivers/input/keyboard/mxc_keyb.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -58,12 +58,168 @@
#include <linux/clk.h>
#include <asm/mach/keypad.h>
+/*!
+ * Keypad Module Name
+ */
+#define MOD_NAME "mxckpd"
+
+/*!
+ * XLATE mode selection
+ */
+#define KEYPAD_XLATE 0
+
+/*!
+ * RAW mode selection
+ */
+#define KEYPAD_RAW 1
+
+/*!
+ * Maximum number of keys.
+ */
+#define MAXROW 8
+#define MAXCOL 8
+#define MXC_MAXKEY (MAXROW * MAXCOL)
+
+/*!
+ * This define indicates break scancode for every key release. A constant
+ * of 128 is added to the key press scancode.
+ */
+#define MXC_KEYRELEASE 128
+
+/*
+ * _reg_KPP_KPCR _reg_KPP_KPSR _reg_KPP_KDDR _reg_KPP_KPDR
+ * The offset of Keypad Control Register Address
+ */
+#define KPCR 0x00
+
+/*
+ * The offset of Keypad Status Register Address
+ */
+#define KPSR 0x02
+
+/*
+ * The offset of Keypad Data Direction Address
+ */
+#define KDDR 0x04
+
+/*
+ * The offset of Keypad Data Register
+ */
+#define KPDR 0x06
+
+/*
+ * Key Press Interrupt Status bit
+ */
+#define KBD_STAT_KPKD 0x01
+
+/*
+ * Key Release Interrupt Status bit
+ */
+#define KBD_STAT_KPKR 0x02
+
+/*
+ * Key Depress Synchronizer Chain Status bit
+ */
+#define KBD_STAT_KDSC 0x04
+
+/*
+ * Key Release Synchronizer Status bit
+ */
+#define KBD_STAT_KRSS 0x08
+
+/*
+ * Key Depress Interrupt Enable Status bit
+ */
+#define KBD_STAT_KDIE 0x100
+
/*
- * Module header file
+ * Key Release Interrupt Enable
*/
-#include "mxc_keyb.h"
+#define KBD_STAT_KRIE 0x200
+
+/*
+ * Keypad Clock Enable
+ */
+#define KBD_STAT_KPPEN 0x400
+
+/*!
+ * Buffer size of keypad queue. Should be a power of 2.
+ */
+#define KPP_BUF_SIZE 128
+
+/*!
+ * Test whether bit is set for integer c
+ */
+#define TEST_BIT(c, n) ((c) & (0x1 << (n)))
+
+/*!
+ * Set nth bit in the integer c
+ */
+#define BITSET(c, n) ((c) | (1 << (n)))
+
+/*!
+ * Reset nth bit in the integer c
+ */
+#define BITRESET(c, n) ((c) & ~(1 << (n)))
+
+/*!
+ * This enum represents the keypad state machine to maintain debounce logic
+ * for key press/release.
+ */
+enum KeyState {
+
+ /*!
+ * Key press state.
+ */
+ KStateUp,
+
+ /*!
+ * Key press debounce state.
+ */
+ KStateFirstDown,
+
+ /*!
+ * Key release state.
+ */
+ KStateDown,
+
+ /*!
+ * Key release debounce state.
+ */
+ KStateFirstUp
+};
/*!
+ * Keypad Private Data Structure
+ */
+struct keypad_priv {
+
+ /*!
+ * Keypad state machine.
+ */
+ enum KeyState iKeyState;
+
+ /*!
+ * Number of rows configured in the keypad matrix
+ */
+ unsigned long kpp_rows;
+
+ /*!
+ * Number of Columns configured in the keypad matrix
+ */
+ unsigned long kpp_cols;
+
+ /*!
+ * Timer used for Keypad polling.
+ */
+ struct timer_list poll_timer;
+
+ /*!
+ * The base address
+ */
+ void __iomem *base;
+};
+/*!
* This structure holds the keypad private data structure.
*/
static struct keypad_priv kpp_dev;
@@ -269,26 +425,26 @@ static int mxc_kpp_scan_matrix(void)
for (col = 0; col < kpp_dev.kpp_cols; col++) { /* Col */
/* 2. Write 1.s to KPDR[15:8] setting column data to 1.s */
- reg_val = __raw_readw(KPDR);
+ reg_val = __raw_readw(kpp_dev.base + KPDR);
reg_val |= 0xff00;
- __raw_writew(reg_val, KPDR);
+ __raw_writew(reg_val, kpp_dev.base + KPDR);
/*
* 3. Configure columns as totem pole outputs(for quick
* discharging of keypad capacitance)
*/
- reg_val = __raw_readw(KPCR);
+ reg_val = __raw_readw(kpp_dev.base + KPCR);
reg_val &= 0x00ff;
- __raw_writew(reg_val, KPCR);
+ __raw_writew(reg_val, kpp_dev.base + KPCR);
udelay(2);
/*
* 4. Configure columns as open-drain
*/
- reg_val = __raw_readw(KPCR);
+ reg_val = __raw_readw(kpp_dev.base + KPCR);
reg_val |= ((1 << kpp_dev.kpp_cols) - 1) << 8;
- __raw_writew(reg_val, KPCR);
+ __raw_writew(reg_val, kpp_dev.base + KPCR);
/*
* 5. Write a single column to 0, others to 1.
@@ -298,9 +454,9 @@ static int mxc_kpp_scan_matrix(void)
*/
/* Col bit starts at 8th bit in KPDR */
- reg_val = __raw_readw(KPDR);
+ reg_val = __raw_readw(kpp_dev.base + KPDR);
reg_val &= ~(1 << (8 + col));
- __raw_writew(reg_val, KPDR);
+ __raw_writew(reg_val, kpp_dev.base + KPDR);
/* Delay added to avoid propagating the 0 from column to row
* when scanning. */
@@ -308,7 +464,7 @@ static int mxc_kpp_scan_matrix(void)
udelay(5);
/* Read row input */
- reg_val = __raw_readw(KPDR);
+ reg_val = __raw_readw(kpp_dev.base + KPDR);
for (row = 0; row < kpp_dev.kpp_rows; row++) { /* sample row */
if (TEST_BIT(reg_val, row) == 0) {
cur_rcmap[row] = BITSET(cur_rcmap[row], col);
@@ -324,12 +480,12 @@ static int mxc_kpp_scan_matrix(void)
* clear the KPKD synchronizer chain by writing "1" to KDSC register
*/
reg_val = 0x00;
- __raw_writew(reg_val, KPDR);
- reg_val = __raw_readw(KPDR);
- reg_val = __raw_readw(KPSR);
+ __raw_writew(reg_val, kpp_dev.base + KPDR);
+ reg_val = __raw_readw(kpp_dev.base + KPDR);
+ reg_val = __raw_readw(kpp_dev.base + KPSR);
reg_val |= KBD_STAT_KPKD | KBD_STAT_KPKR | KBD_STAT_KRSS |
KBD_STAT_KDSC;
- __raw_writew(reg_val, KPSR);
+ __raw_writew(reg_val, kpp_dev.base + KPSR);
/* Check key press status change */
@@ -558,14 +714,14 @@ static void mxc_kpp_handle_timer(unsigned long data)
* Stop scanning and wait for interrupt.
* Enable press interrupt and disable release interrupt.
*/
- __raw_writew(0x00FF, KPDR);
- reg_val = __raw_readw(KPSR);
+ __raw_writew(0x00FF, kpp_dev.base + KPDR);
+ reg_val = __raw_readw(kpp_dev.base + KPSR);
reg_val |= (KBD_STAT_KPKR | KBD_STAT_KPKD);
reg_val |= KBD_STAT_KRSS | KBD_STAT_KDSC;
- __raw_writew(reg_val, KPSR);
+ __raw_writew(reg_val, kpp_dev.base + KPSR);
reg_val |= KBD_STAT_KDIE;
reg_val &= ~KBD_STAT_KRIE;
- __raw_writew(reg_val, KPSR);
+ __raw_writew(reg_val, kpp_dev.base + KPSR);
/*
* No more keys pressed... make sure unwanted key codes are
@@ -613,7 +769,7 @@ static irqreturn_t mxc_kpp_interrupt(int irq, void *dev_id)
/* Delete the polling timer */
del_timer(&kpp_dev.poll_timer);
- reg_val = __raw_readw(KPSR);
+ reg_val = __raw_readw(kpp_dev.base + KPSR);
/* Check if it is key press interrupt */
if (reg_val & KBD_STAT_KPKD) {
@@ -621,7 +777,7 @@ static irqreturn_t mxc_kpp_interrupt(int irq, void *dev_id)
* Disable key press(KDIE status bit) interrupt
*/
reg_val &= ~KBD_STAT_KDIE;
- __raw_writew(reg_val, KPSR);
+ __raw_writew(reg_val, kpp_dev.base + KPSR);
} else {
/* spurious interrupt */
return IRQ_RETVAL(0);
@@ -767,6 +923,7 @@ static int mxc_kpp_probe(struct platform_device *pdev)
int i, irq;
int retval;
unsigned int reg_val;
+ struct resource *res;
keypad = (struct keypad_data *)pdev->dev.platform_data;
@@ -774,6 +931,14 @@ static int mxc_kpp_probe(struct platform_device *pdev)
kpp_dev.kpp_rows = keypad->rowmax;
key_pad_enabled = 0;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+
+ kpp_dev.base = ioremap(res->start, res->end - res->start + 1);
+ if (!kpp_dev.base)
+ return -ENOMEM;
+
irq = platform_get_irq(pdev, 0);
keypad->irq = irq;
@@ -793,30 +958,30 @@ static int mxc_kpp_probe(struct platform_device *pdev)
* LSB nibble in KPP is for 8 rows
* MSB nibble in KPP is for 8 cols
*/
- reg_val = __raw_readw(KPCR);
+ reg_val = __raw_readw(kpp_dev.base + KPCR);
reg_val |= (1 << keypad->rowmax) - 1; /* LSB */
reg_val |= ((1 << keypad->colmax) - 1) << 8; /* MSB */
- __raw_writew(reg_val, KPCR);
+ __raw_writew(reg_val, kpp_dev.base + KPCR);
/* Write 0's to KPDR[15:8] */
- reg_val = __raw_readw(KPDR);
+ reg_val = __raw_readw(kpp_dev.base + KPDR);
reg_val &= 0x00ff;
- __raw_writew(reg_val, KPDR);
+ __raw_writew(reg_val, kpp_dev.base + KPDR);
/* Configure columns as output, rows as input (KDDR[15:0]) */
- reg_val = __raw_readw(KDDR);
+ reg_val = __raw_readw(kpp_dev.base + KDDR);
reg_val |= 0xff00;
reg_val &= 0xff00;
- __raw_writew(reg_val, KDDR);
+ __raw_writew(reg_val, kpp_dev.base + KDDR);
- reg_val = __raw_readw(KPSR);
+ reg_val = __raw_readw(kpp_dev.base + KPSR);
reg_val &= ~(KBD_STAT_KPKR | KBD_STAT_KPKD);
reg_val |= KBD_STAT_KPKD;
reg_val |= KBD_STAT_KRSS | KBD_STAT_KDSC;
- __raw_writew(reg_val, KPSR);
+ __raw_writew(reg_val, kpp_dev.base + KPSR);
reg_val |= KBD_STAT_KDIE;
reg_val &= ~KBD_STAT_KRIE;
- __raw_writew(reg_val, KPSR);
+ __raw_writew(reg_val, kpp_dev.base + KPSR);
has_leaning_key = keypad->learning;
mxckpd_keycodes = keypad->matrix;
@@ -912,7 +1077,7 @@ static int mxc_kpp_probe(struct platform_device *pdev)
retval = request_irq(irq, mxc_kpp_interrupt, 0, MOD_NAME, MOD_NAME);
if (retval) {
pr_debug("KPP: request_irq(%d) returned error %d\n",
- MXC_INT_KPP, retval);
+ irq, retval);
goto err3;
}
@@ -950,16 +1115,16 @@ static int mxc_kpp_remove(struct platform_device *pdev)
* Set KDIE control bit, clear KRIE control bit (avoid false release
* events. Disable the keypad GPIO pins.
*/
- __raw_writew(0x00, KPCR);
- __raw_writew(0x00, KPDR);
- __raw_writew(0x00, KDDR);
+ __raw_writew(0x00, kpp_dev.base + KPCR);
+ __raw_writew(0x00, kpp_dev.base + KPDR);
+ __raw_writew(0x00, kpp_dev.base + KDDR);
- reg_val = __raw_readw(KPSR);
+ reg_val = __raw_readw(kpp_dev.base + KPSR);
reg_val |= KBD_STAT_KPKD;
reg_val &= ~KBD_STAT_KRSS;
reg_val |= KBD_STAT_KDIE;
reg_val &= ~KBD_STAT_KRIE;
- __raw_writew(reg_val, KPSR);
+ __raw_writew(reg_val, kpp_dev.base + KPSR);
gpio_keypad_inactive();
clk_disable(kpp_clk);
diff --git a/drivers/input/misc/mma7455l.c b/drivers/input/misc/mma7455l.c
index 1cee2d1add04..48dca60d2cfe 100644
--- a/drivers/input/misc/mma7455l.c
+++ b/drivers/input/misc/mma7455l.c
@@ -583,6 +583,8 @@ static int __devexit mma7455l_remove(struct i2c_client *client)
{
struct mma7455l_info *mma = dev_get_drvdata(&client->dev);
+ free_irq(client->irq, mma);
+
sysfs_remove_group(&client->dev.kobj, &mma7455l_attr_group);
input_unregister_device(mma->input_dev);
dev_set_drvdata(&client->dev, NULL);
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index ba9d38c3f412..0f74aeee2aea 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -17,14 +17,11 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#include <linux/hwmon.h>
+#include <linux/device.h>
#include <linux/init.h>
-#include <linux/err.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/interrupt.h>
-#include <linux/slab.h>
-#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <asm/irq.h>
@@ -33,9 +30,7 @@
/*
* This code has been heavily tested on a Nokia 770, and lightly
* tested on other ads7846 devices (OSK/Mistral, Lubbock).
- * TSC2046 is just newer ads7846 silicon.
- * Support for ads7843 tested on Atmel at91sam926x-EK.
- * Support for ads7845 has only been stubbed in.
+ * Support for ads7843 and ads7845 has only been stubbed in.
*
* IRQ handling needs a workaround because of a shortcoming in handling
* edge triggered IRQs on some platforms like the OMAP1/2. These
@@ -51,8 +46,7 @@
* files.
*/
-#define TS_POLL_DELAY (1 * 1000000) /* ns delay before the first sample */
-#define TS_POLL_PERIOD (5 * 1000000) /* ns delay between samples */
+#define TS_POLL_PERIOD msecs_to_jiffies(10)
/* this driver doesn't aim at the peak continuous sample rate */
#define SAMPLE_BITS (8 /*cmd*/ + 16 /*sample*/ + 2 /* before, after */)
@@ -61,77 +55,57 @@ struct ts_event {
/* For portability, we can't read 12 bit values using SPI (which
* would make the controller deliver them as native byteorder u16
* with msbs zeroed). Instead, we read them as two 8-bit values,
- * *** WHICH NEED BYTESWAPPING *** and range adjustment.
+ * which need byteswapping then range adjustment.
*/
- u16 x;
- u16 y;
- u16 z1, z2;
- int ignore;
-};
-
-/*
- * We allocate this separately to avoid cache line sharing issues when
- * driver is used with DMA-based SPI controllers (like atmel_spi) on
- * systems where main memory is not DMA-coherent (most non-x86 boards).
- */
-struct ads7846_packet {
- u8 read_x, read_y, read_z1, read_z2, pwrdown;
- u16 dummy; /* for the pwrdown read */
- struct ts_event tc;
+ __be16 x;
+ __be16 y;
+ __be16 z1, z2;
+ int ignore;
};
struct ads7846 {
struct input_dev *input;
char phys[32];
- char name[32];
- struct spi_device *spi;
-
-#if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE)
- struct attribute_group *attr_group;
- struct device *hwmon;
-#endif
+ u32 *txbuf;
+ u32 *rxbuf;
+ u8 buflen;
+ u8 skip_samples;
+ u16 rotate;
+ struct spi_device *spi;
u16 model;
- u16 vref_mv;
u16 vref_delay_usecs;
u16 x_plate_ohms;
u16 pressure_max;
- bool swap_xy;
-
- struct ads7846_packet *packet;
+ u8 read_x, read_y, read_z1, read_z2, pwrdown;
+ u16 zerro; /* to send zerros while receiving */
+ u16 dummy; /* for the pwrdown read */
+ struct ts_event tc;
- struct spi_transfer xfer[18];
+ struct spi_transfer xfer[10];
struct spi_message msg[5];
struct spi_message *last_msg;
int msg_idx;
int read_cnt;
int read_rep;
int last_read;
+ int skip_this_sample;
u16 debounce_max;
u16 debounce_tol;
u16 debounce_rep;
- u16 penirq_recheck_delay_usecs;
-
spinlock_t lock;
- struct hrtimer timer;
+ struct timer_list timer; /* P: lock */
unsigned pendown:1; /* P: lock */
unsigned pending:1; /* P: lock */
// FIXME remove "irq_disabled"
unsigned irq_disabled:1; /* P: lock */
unsigned disabled:1;
- unsigned is_suspended:1;
- int (*filter)(void *data, int data_idx, int *val);
- void *filter_data;
- void (*filter_cleanup)(void *data);
int (*get_pendown_state)(void);
- int gpio_pendown;
-
- void (*wait_for_sync)(void);
};
/* leave chip selected when we're done, for quicker re-select? */
@@ -141,6 +115,7 @@ struct ads7846 {
#define CS_CHANGE(xfer) ((xfer).cs_change = 0)
#endif
+
/*--------------------------------------------------------------------------*/
/* The ADS7846 has touchscreen and other sensors.
@@ -167,16 +142,19 @@ struct ads7846 {
#define MAX_12BIT ((1<<12)-1)
/* leave ADC powered up (disables penirq) between differential samples */
-#define READ_12BIT_DFR(x, adc, vref) (ADS_START | ADS_A2A1A0_d_ ## x \
- | ADS_12_BIT | ADS_DFR | \
- (adc ? ADS_PD10_ADC_ON : 0) | (vref ? ADS_PD10_REF_ON : 0))
+#define READ_12BIT_DFR(x) (ADS_START | ADS_A2A1A0_d_ ## x \
+ | ADS_12_BIT | ADS_DFR)
+
+#define READ_Y (READ_12BIT_DFR(y) | ADS_PD10_ADC_ON)
+#define READ_Z1 (READ_12BIT_DFR(z1) | ADS_PD10_ADC_ON)
+#define READ_Z2 (READ_12BIT_DFR(z2) | ADS_PD10_ADC_ON)
-#define READ_Y(vref) (READ_12BIT_DFR(y, 1, vref))
-#define READ_Z1(vref) (READ_12BIT_DFR(z1, 1, vref))
-#define READ_Z2(vref) (READ_12BIT_DFR(z2, 1, vref))
+#define READ_X (READ_12BIT_DFR(x) | ADS_PD10_ADC_ON)
+#define PWRDOWN (READ_12BIT_DFR(y) | ADS_PD10_PDOWN) /* LAST */
-#define READ_X(vref) (READ_12BIT_DFR(x, 1, vref))
-#define PWRDOWN (READ_12BIT_DFR(y, 0, 0)) /* LAST */
+/* alternate ads7843 commands */
+#define ALT_READ_Y (READ_12BIT_DFR(y) | ADS_PD10_ALL_ON)
+#define ALT_READ_X (READ_12BIT_DFR(x) | ADS_PD10_ALL_ON)
/* single-ended samples need to first power up reference voltage;
* we leave both ADC and VREF powered
@@ -184,15 +162,21 @@ struct ads7846 {
#define READ_12BIT_SER(x) (ADS_START | ADS_A2A1A0_ ## x \
| ADS_12_BIT | ADS_SER)
-#define REF_ON (READ_12BIT_DFR(x, 1, 1))
-#define REF_OFF (READ_12BIT_DFR(y, 0, 0))
+#define REF_ON (READ_12BIT_DFR(x) | ADS_PD10_ALL_ON)
+#define REF_OFF (READ_12BIT_DFR(y) | ADS_PD10_PDOWN)
+
+#define MAX_BUF_SAMPLE_LEN (20)
+/* Following configuration should be done in the platform configuration */
+#define SCREEN_LANDSCAPE 1
+#undef SCREEN_PORTRAIT
+#define MAX_DIFF_BETWEEN_SAMPLES_X 100
+#define MAX_DIFF_BETWEEN_SAMPLES_Y 100
+
/*--------------------------------------------------------------------------*/
/*
* Non-touchscreen sensors only use single-ended conversions.
- * The range is GND..vREF. The ads7843 and ads7835 must use external vREF;
- * ads7846 lets that pin be unconnected, to use internal vREF.
*/
struct ser_req {
@@ -200,6 +184,7 @@ struct ser_req {
u8 command;
u8 ref_off;
u16 scratch;
+ u16 zerro;
__be16 sample;
struct spi_message msg;
struct spi_transfer xfer[6];
@@ -211,247 +196,132 @@ static void ads7846_disable(struct ads7846 *ts);
static int device_suspended(struct device *dev)
{
struct ads7846 *ts = dev_get_drvdata(dev);
- return ts->is_suspended || ts->disabled;
+ return dev->power.power_state.event != PM_EVENT_ON || ts->disabled;
}
+static int ads7843_setup_buffers(struct device *dev)
+{
+ struct ads7846 *ts = dev_get_drvdata(dev);
+ int i;
+
+ ts->txbuf = kzalloc(sizeof(u32) * ts->buflen * 3, GFP_KERNEL);
+ if (!ts->txbuf)
+ return -ENOMEM;
+
+ ts->rxbuf = kzalloc(sizeof(u32) * ts->buflen * 3, GFP_KERNEL);
+ if (!ts->rxbuf) {
+ kfree(ts->txbuf);
+ return -ENOMEM;
+ }
+ for (i = 0; i < ((ts->buflen * 3) / 2); i++)
+#if defined( SCREEN_LANDSCAPE )
+ ts->txbuf[i] = (READ_12BIT_DFR(x) | ADS_PD10_PDOWN) << 8;
+#else
+ ts->txbuf[i] = (READ_12BIT_DFR(y) | ADS_PD10_PDOWN) << 8;
+#endif
+ for (; i < ts->buflen * 3; i++)
+#if defined( SCREEN_LANDSCAPE )
+ ts->txbuf[i] = (READ_12BIT_DFR(y) | ADS_PD10_PDOWN) << 8;
+#else
+ ts->txbuf[i] = (READ_12BIT_DFR(x) | ADS_PD10_PDOWN) << 8;
+#endif
+ return 0;
+}
+
+
static int ads7846_read12_ser(struct device *dev, unsigned command)
{
struct spi_device *spi = to_spi_device(dev);
struct ads7846 *ts = dev_get_drvdata(dev);
struct ser_req *req = kzalloc(sizeof *req, GFP_KERNEL);
int status;
- int use_internal;
+ int sample;
+ int i;
if (!req)
return -ENOMEM;
spi_message_init(&req->msg);
- /* FIXME boards with ads7846 might use external vref instead ... */
- use_internal = (ts->model == 7846);
-
- /* maybe turn on internal vREF, and let it settle */
- if (use_internal) {
- req->ref_on = REF_ON;
- req->xfer[0].tx_buf = &req->ref_on;
- req->xfer[0].len = 1;
- spi_message_add_tail(&req->xfer[0], &req->msg);
-
- req->xfer[1].rx_buf = &req->scratch;
- req->xfer[1].len = 2;
-
- /* for 1uF, settle for 800 usec; no cap, 100 usec. */
- req->xfer[1].delay_usecs = ts->vref_delay_usecs;
- spi_message_add_tail(&req->xfer[1], &req->msg);
- }
+ /* activate reference, so it has time to settle; */
+ req->ref_on = REF_ON;
+ req->xfer[0].tx_buf = &req->ref_on;
+ req->xfer[0].len = 1;
+ req->xfer[1].tx_buf = &req->zerro;
+ req->xfer[1].rx_buf = &req->scratch;
+ req->xfer[1].len = 2;
+
+ /*
+ * for external VREF, 0 usec (and assume it's always on);
+ * for 1uF, use 800 usec;
+ * no cap, 100 usec.
+ */
+ req->xfer[1].delay_usecs = ts->vref_delay_usecs;
/* take sample */
req->command = (u8) command;
req->xfer[2].tx_buf = &req->command;
req->xfer[2].len = 1;
- spi_message_add_tail(&req->xfer[2], &req->msg);
-
+ req->xfer[3].tx_buf = &req->zerro;
req->xfer[3].rx_buf = &req->sample;
req->xfer[3].len = 2;
- spi_message_add_tail(&req->xfer[3], &req->msg);
/* REVISIT: take a few more samples, and compare ... */
- /* converter in low power mode & enable PENIRQ */
- req->ref_off = PWRDOWN;
+ /* turn off reference */
+ req->ref_off = REF_OFF;
req->xfer[4].tx_buf = &req->ref_off;
req->xfer[4].len = 1;
- spi_message_add_tail(&req->xfer[4], &req->msg);
-
+ // TODO req->xfer[3].tx_buf = &req->zerro;
+ req->xfer[5].tx_buf = &req->zerro;
req->xfer[5].rx_buf = &req->scratch;
req->xfer[5].len = 2;
+
CS_CHANGE(req->xfer[5]);
- spi_message_add_tail(&req->xfer[5], &req->msg);
+
+ /* group all the transfers together, so we can't interfere with
+ * reading touchscreen state; disable penirq while sampling
+ */
+ for (i = 0; i < 6; i++)
+ spi_message_add_tail(&req->xfer[i], &req->msg);
ts->irq_disabled = 1;
- disable_irq(spi->irq);
+ disable_irq_nosync(spi->irq);
status = spi_sync(spi, &req->msg);
ts->irq_disabled = 0;
enable_irq(spi->irq);
- if (status == 0) {
- /* on-wire is a must-ignore bit, a BE12 value, then padding */
- status = be16_to_cpu(req->sample);
- status = status >> 3;
- status &= 0x0fff;
- }
+ if (req->msg.status)
+ status = req->msg.status;
+
+ /* on-wire is a must-ignore bit, a BE12 value, then padding */
+ sample = be16_to_cpu(req->sample);
+ sample = sample >> 3;
+ sample &= 0x0fff;
kfree(req);
- return status;
+ return status ? status : sample;
}
-#if defined(CONFIG_HWMON) || defined(CONFIG_HWMON_MODULE)
-
-#define SHOW(name, var, adjust) static ssize_t \
+#define SHOW(name) static ssize_t \
name ## _show(struct device *dev, struct device_attribute *attr, char *buf) \
{ \
- struct ads7846 *ts = dev_get_drvdata(dev); \
ssize_t v = ads7846_read12_ser(dev, \
- READ_12BIT_SER(var) | ADS_PD10_ALL_ON); \
+ READ_12BIT_SER(name) | ADS_PD10_ALL_ON); \
if (v < 0) \
return v; \
- return sprintf(buf, "%u\n", adjust(ts, v)); \
+ return sprintf(buf, "%u\n", (unsigned) v); \
} \
static DEVICE_ATTR(name, S_IRUGO, name ## _show, NULL);
-
-/* Sysfs conventions report temperatures in millidegrees Celsius.
- * ADS7846 could use the low-accuracy two-sample scheme, but can't do the high
- * accuracy scheme without calibration data. For now we won't try either;
- * userspace sees raw sensor values, and must scale/calibrate appropriately.
- */
-static inline unsigned null_adjust(struct ads7846 *ts, ssize_t v)
-{
- return v;
-}
-
-SHOW(temp0, temp0, null_adjust) /* temp1_input */
-SHOW(temp1, temp1, null_adjust) /* temp2_input */
-
-
-/* sysfs conventions report voltages in millivolts. We can convert voltages
- * if we know vREF. userspace may need to scale vAUX to match the board's
- * external resistors; we assume that vBATT only uses the internal ones.
- */
-static inline unsigned vaux_adjust(struct ads7846 *ts, ssize_t v)
-{
- unsigned retval = v;
-
- /* external resistors may scale vAUX into 0..vREF */
- retval *= ts->vref_mv;
- retval = retval >> 12;
- return retval;
-}
-
-static inline unsigned vbatt_adjust(struct ads7846 *ts, ssize_t v)
-{
- unsigned retval = vaux_adjust(ts, v);
-
- /* ads7846 has a resistor ladder to scale this signal down */
- if (ts->model == 7846)
- retval *= 4;
- return retval;
-}
-
-SHOW(in0_input, vaux, vaux_adjust)
-SHOW(in1_input, vbatt, vbatt_adjust)
-
-
-static struct attribute *ads7846_attributes[] = {
- &dev_attr_temp0.attr,
- &dev_attr_temp1.attr,
- &dev_attr_in0_input.attr,
- &dev_attr_in1_input.attr,
- NULL,
-};
-
-static struct attribute_group ads7846_attr_group = {
- .attrs = ads7846_attributes,
-};
-
-static struct attribute *ads7843_attributes[] = {
- &dev_attr_in0_input.attr,
- &dev_attr_in1_input.attr,
- NULL,
-};
-
-static struct attribute_group ads7843_attr_group = {
- .attrs = ads7843_attributes,
-};
-
-static struct attribute *ads7845_attributes[] = {
- &dev_attr_in0_input.attr,
- NULL,
-};
-
-static struct attribute_group ads7845_attr_group = {
- .attrs = ads7845_attributes,
-};
-
-static int ads784x_hwmon_register(struct spi_device *spi, struct ads7846 *ts)
-{
- struct device *hwmon;
- int err;
-
- /* hwmon sensors need a reference voltage */
- switch (ts->model) {
- case 7846:
- if (!ts->vref_mv) {
- dev_dbg(&spi->dev, "assuming 2.5V internal vREF\n");
- ts->vref_mv = 2500;
- }
- break;
- case 7845:
- case 7843:
- if (!ts->vref_mv) {
- dev_warn(&spi->dev,
- "external vREF for ADS%d not specified\n",
- ts->model);
- return 0;
- }
- break;
- }
-
- /* different chips have different sensor groups */
- switch (ts->model) {
- case 7846:
- ts->attr_group = &ads7846_attr_group;
- break;
- case 7845:
- ts->attr_group = &ads7845_attr_group;
- break;
- case 7843:
- ts->attr_group = &ads7843_attr_group;
- break;
- default:
- dev_dbg(&spi->dev, "ADS%d not recognized\n", ts->model);
- return 0;
- }
-
- err = sysfs_create_group(&spi->dev.kobj, ts->attr_group);
- if (err)
- return err;
-
- hwmon = hwmon_device_register(&spi->dev);
- if (IS_ERR(hwmon)) {
- sysfs_remove_group(&spi->dev.kobj, ts->attr_group);
- return PTR_ERR(hwmon);
- }
-
- ts->hwmon = hwmon;
- return 0;
-}
-
-static void ads784x_hwmon_unregister(struct spi_device *spi,
- struct ads7846 *ts)
-{
- if (ts->hwmon) {
- sysfs_remove_group(&spi->dev.kobj, ts->attr_group);
- hwmon_device_unregister(ts->hwmon);
- }
-}
-
-#else
-static inline int ads784x_hwmon_register(struct spi_device *spi,
- struct ads7846 *ts)
-{
- return 0;
-}
-
-static inline void ads784x_hwmon_unregister(struct spi_device *spi,
- struct ads7846 *ts)
-{
-}
-#endif
+SHOW(temp0)
+SHOW(temp1)
+SHOW(vaux)
+SHOW(vbatt)
static int is_pen_down(struct device *dev)
{
- struct ads7846 *ts = dev_get_drvdata(dev);
+ struct ads7846 *ts = dev_get_drvdata(dev);
return ts->pendown;
}
@@ -477,11 +347,10 @@ static ssize_t ads7846_disable_store(struct device *dev,
const char *buf, size_t count)
{
struct ads7846 *ts = dev_get_drvdata(dev);
- unsigned long i;
-
- if (strict_strtoul(buf, 10, &i))
- return -EINVAL;
+ char *endp;
+ int i;
+ i = simple_strtoul(buf, &endp, 10);
spin_lock_irq(&ts->lock);
if (i)
@@ -496,30 +365,8 @@ static ssize_t ads7846_disable_store(struct device *dev,
static DEVICE_ATTR(disable, 0664, ads7846_disable_show, ads7846_disable_store);
-static struct attribute *ads784x_attributes[] = {
- &dev_attr_pen_down.attr,
- &dev_attr_disable.attr,
- NULL,
-};
-
-static struct attribute_group ads784x_attr_group = {
- .attrs = ads784x_attributes,
-};
-
/*--------------------------------------------------------------------------*/
-static int get_pendown_state(struct ads7846 *ts)
-{
- if (ts->get_pendown_state)
- return ts->get_pendown_state();
-
- return !gpio_get_value(ts->gpio_pendown);
-}
-
-static void null_wait_for_sync(void)
-{
-}
-
/*
* PENIRQ only kicks the timer. The timer only reissues the SPI transfer,
* to retrieve touchscreen status.
@@ -531,25 +378,25 @@ static void null_wait_for_sync(void)
static void ads7846_rx(void *ads)
{
struct ads7846 *ts = ads;
- struct ads7846_packet *packet = ts->packet;
+ struct input_dev *input_dev = ts->input;
unsigned Rt;
+ unsigned sync = 0;
u16 x, y, z1, z2;
+ unsigned long flags;
- /* ads7846_rx_val() did in-place conversion (including byteswap) from
- * on-the-wire format as part of debouncing to get stable readings.
+ /* adjust: on-wire is a must-ignore bit, a BE12 value, then padding;
+ * built from two 8 bit values written msb-first.
*/
- x = packet->tc.x;
- y = packet->tc.y;
- z1 = packet->tc.z1;
- z2 = packet->tc.z2;
+ x = (be16_to_cpu(ts->tc.x) >> 3) & 0x0fff;
+ y = (be16_to_cpu(ts->tc.y) >> 3) & 0x0fff;
+ z1 = (be16_to_cpu(ts->tc.z1) >> 3) & 0x0fff;
+ z2 = (be16_to_cpu(ts->tc.z2) >> 3) & 0x0fff;
/* range filtering */
if (x == MAX_12BIT)
x = 0;
- if (ts->model == 7843) {
- Rt = ts->pressure_max / 2;
- } else if (likely(x && z1)) {
+ if (likely(x && z1 && !device_suspended(&ts->spi->dev))) {
/* compute touch pressure resistance using equation #2 */
Rt = z2;
Rt -= z1;
@@ -557,194 +404,281 @@ static void ads7846_rx(void *ads)
Rt *= ts->x_plate_ohms;
Rt /= z1;
Rt = (Rt + 2047) >> 12;
- } else {
+ } else
Rt = 0;
- }
/* Sample found inconsistent by debouncing or pressure is beyond
- * the maximum. Don't report it to user space, repeat at least
- * once more the measurement
- */
- if (packet->tc.ignore || Rt > ts->pressure_max) {
-#ifdef VERBOSE
- pr_debug("%s: ignored %d pressure %d\n",
- dev_name(&ts->spi->dev), packet->tc.ignore, Rt);
-#endif
- hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_PERIOD),
- HRTIMER_MODE_REL);
+ * the maximum. Don't report it to user space, repeat at least
+ * once more the measurement */
+ if (ts->tc.ignore || Rt > ts->pressure_max) {
+ mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
return;
}
- /* Maybe check the pendown state before reporting. This discards
- * false readings when the pen is lifted.
+ /* NOTE: "pendown" is inferred from pressure; we don't rely on
+ * being able to check nPENIRQ status, or "friendly" trigger modes
+ * (both-edges is much better than just-falling or low-level).
+ *
+ * REVISIT: some boards may require reading nPENIRQ; it's
+ * needed on 7843. and 7845 reads pressure differently...
+ *
+ * REVISIT: the touchscreen might not be connected; this code
+ * won't notice that, even if nPENIRQ never fires ...
*/
- if (ts->penirq_recheck_delay_usecs) {
- udelay(ts->penirq_recheck_delay_usecs);
- if (!get_pendown_state(ts))
- Rt = 0;
+ if (!ts->pendown && Rt != 0) {
+ input_report_key(input_dev, BTN_TOUCH, 1);
+ sync = 1;
+ } else if (ts->pendown && Rt == 0) {
+ input_report_key(input_dev, BTN_TOUCH, 0);
+ sync = 1;
}
- /* NOTE: We can't rely on the pressure to determine the pen down
- * state, even this controller has a pressure sensor. The pressure
- * value can fluctuate for quite a while after lifting the pen and
- * in some cases may not even settle at the expected value.
- *
- * The only safe way to check for the pen up condition is in the
- * timer by reading the pen signal state (it's a GPIO _and_ IRQ).
- */
if (Rt) {
- struct input_dev *input = ts->input;
+ input_report_abs(input_dev, ABS_X, x);
+ input_report_abs(input_dev, ABS_Y, y);
+ sync = 1;
+ }
- if (!ts->pendown) {
- input_report_key(input, BTN_TOUCH, 1);
- ts->pendown = 1;
-#ifdef VERBOSE
- dev_dbg(&ts->spi->dev, "DOWN\n");
+ if (sync) {
+ input_report_abs(input_dev, ABS_PRESSURE, Rt);
+ input_sync(input_dev);
+ }
+
+#ifdef VERBOSE
+ if (Rt || ts->pendown)
+ pr_debug("%s: %d/%d/%d%s\n", dev_name(&ts->spi->dev),
+ x, y, Rt, Rt ? "" : " UP");
#endif
+
+ spin_lock_irqsave(&ts->lock, flags);
+
+ ts->pendown = (Rt != 0);
+ mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
+
+ spin_unlock_irqrestore(&ts->lock, flags);
+}
+
+static inline u16 ad7843_get_sample_val(u32 sample)
+{
+ return (((((sample & 0x00ff0000) >> 8) | (sample >> 24)) >> 3) & 0x0fff);
+}
+
+static u32 ad7843_get_better_values(struct ads7846 *ts, int index, int skiplimit)
+{
+ u32 diff12, diff23, diff31;
+ u32 vals[3];
+ int i;
+
+ for (i = 0; i < 3; i++) {
+ vals[i] = ad7843_get_sample_val(ts->rxbuf[index+i]);
+ if (vals[i] == 0x0fff || vals[i] == 0) {
+ ts->skip_this_sample = 1;
+ return 0;
}
+ }
- if (ts->swap_xy)
- swap(x, y);
+ diff12 = (vals[0] > vals[1]) ? vals[0] - vals[1] : vals[1] - vals[0];
+ if (diff12 > skiplimit) {
+ ts->skip_this_sample = 1;
+ return 0;
+ }
- input_report_abs(input, ABS_X, x);
- input_report_abs(input, ABS_Y, y);
- input_report_abs(input, ABS_PRESSURE, Rt);
+ diff23 = (vals[1] > vals[2]) ? vals[1] - vals[2] : vals[2] - vals[1];
+ if (diff23 > skiplimit) {
+ ts->skip_this_sample = 1;
+ return 0;
+ }
- input_sync(input);
-#ifdef VERBOSE
- dev_dbg(&ts->spi->dev, "%4d/%4d/%4d\n", x, y, Rt);
-#endif
+ diff31 = (vals[2] > vals[0]) ? vals[2] - vals[0] : vals[0] - vals[2];
+ if (diff31 > skiplimit) {
+ ts->skip_this_sample = 1;
+ return 0;
}
- hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_PERIOD),
- HRTIMER_MODE_REL);
+ if (diff12 < diff23 && diff12 < diff31)
+ return (vals[0] + vals[1]) / 2;
+ if (diff23 < diff12 && diff23 < diff31)
+ return (vals[1] + vals[2]) / 2;
+
+ return (vals[0] + vals[2]) / 2;
}
-static int ads7846_debounce(void *ads, int data_idx, int *val)
+static void ads7843_rx_average(void *ads)
+{
+ struct ads7846 *ts = ads;
+ struct input_dev *input_dev = ts->input;
+ u16 x, y, temp;
+ unsigned long flags;
+ int i, sample_count;
+
+ dev_dbg(&ts->spi->dev, "%s\n", __FUNCTION__);
+
+ for (i = 0, y = 0, x = 0, sample_count = 0; i < (ts->buflen * 3 / 2); i+=3) {
+ if (i >= ts->skip_samples*3) {
+ temp = ad7843_get_better_values(ts, i, MAX_DIFF_BETWEEN_SAMPLES_Y);
+ if (!ts->skip_this_sample) {
+ if (ts->rotate == 180) {
+ y += MAX_12BIT - temp;
+ } else if (ts->rotate == 0) {
+ y += temp;
+ } else {
+ dev_info(&ts->spi->dev,
+ "Rotate mode %d, not implemented yet\n",
+ ts->rotate);
+ }
+ sample_count++;
+ }
+ }
+ ts->skip_this_sample = 0;
+ }
+
+ if (!sample_count)
+ goto sample_taken;
+
+ y /= sample_count;
+
+ for (sample_count = 0; i < (ts->buflen * 3); i+=3) {
+ if (i >= (ts->skip_samples + ts->buflen / 2)*3) {
+ temp = ad7843_get_better_values(ts, i, MAX_DIFF_BETWEEN_SAMPLES_X);
+ if (!ts->skip_this_sample) {
+ if (ts->rotate == 180) {
+ x += MAX_12BIT - temp;
+ } else if (ts->rotate == 0) {
+ x += temp;
+ } else {
+ dev_info(&ts->spi->dev,
+ "Rotate mode %d, not implemented yet\n",
+ ts->rotate);
+ }
+ sample_count++;
+ }
+ }
+ ts->skip_this_sample = 0;
+ }
+
+ if (!sample_count)
+ goto sample_taken;
+
+ x /= sample_count;
+
+ if (ts->pendown) {
+
+ input_report_key(input_dev, BTN_TOUCH, 1);
+ input_report_abs(input_dev, ABS_PRESSURE, ts->pressure_max / 2);
+ input_report_abs(input_dev, ABS_X, x);
+ input_report_abs(input_dev, ABS_Y, y);
+ } else {
+ input_report_key(input_dev, BTN_TOUCH, 0);
+ input_report_abs(input_dev, ABS_PRESSURE, 0);
+ }
+
+ input_sync(input_dev);
+ dev_dbg(&ts->spi->dev, "%d/%d %s\n", x, y, ts->pendown ? "" : " UP");
+
+sample_taken:
+ if (ts->pendown) {
+ spin_lock_irqsave(&ts->lock, flags);
+ mod_timer(&ts->timer, jiffies + TS_POLL_PERIOD);
+ spin_unlock_irqrestore(&ts->lock, flags);
+ }
+}
+
+static void ads7846_debounce(void *ads)
{
struct ads7846 *ts = ads;
+ struct spi_message *m;
+ struct spi_transfer *t;
+ int val;
+ int status;
- if (!ts->read_cnt || (abs(ts->last_read - *val) > ts->debounce_tol)) {
- /* Start over collecting consistent readings. */
- ts->read_rep = 0;
+ m = &ts->msg[ts->msg_idx];
+ t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
+ val = (be16_to_cpu(*(__be16 *)t->rx_buf) >> 3) & 0x0fff;
+ if (!ts->read_cnt || (abs(ts->last_read - val) > ts->debounce_tol)) {
/* Repeat it, if this was the first read or the read
* wasn't consistent enough. */
if (ts->read_cnt < ts->debounce_max) {
- ts->last_read = *val;
+ ts->last_read = val;
ts->read_cnt++;
- return ADS7846_FILTER_REPEAT;
} else {
/* Maximum number of debouncing reached and still
* not enough number of consistent readings. Abort
* the whole sample, repeat it in the next sampling
* period.
*/
+ ts->tc.ignore = 1;
ts->read_cnt = 0;
- return ADS7846_FILTER_IGNORE;
+ /* Last message will contain ads7846_rx() as the
+ * completion function.
+ */
+ m = ts->last_msg;
}
+ /* Start over collecting consistent readings. */
+ ts->read_rep = 0;
} else {
if (++ts->read_rep > ts->debounce_rep) {
/* Got a good reading for this coordinate,
* go for the next one. */
+ ts->tc.ignore = 0;
+ ts->msg_idx++;
ts->read_cnt = 0;
ts->read_rep = 0;
- return ADS7846_FILTER_OK;
- } else {
+ m++;
+ } else
/* Read more values that are consistent. */
ts->read_cnt++;
- return ADS7846_FILTER_REPEAT;
- }
}
-}
-
-static int ads7846_no_filter(void *ads, int data_idx, int *val)
-{
- return ADS7846_FILTER_OK;
-}
-
-static void ads7846_rx_val(void *ads)
-{
- struct ads7846 *ts = ads;
- struct ads7846_packet *packet = ts->packet;
- struct spi_message *m;
- struct spi_transfer *t;
- int val;
- int action;
- int status;
-
- m = &ts->msg[ts->msg_idx];
- t = list_entry(m->transfers.prev, struct spi_transfer, transfer_list);
-
- /* adjust: on-wire is a must-ignore bit, a BE12 value, then padding;
- * built from two 8 bit values written msb-first.
- */
- val = be16_to_cpup((__be16 *)t->rx_buf) >> 3;
-
- action = ts->filter(ts->filter_data, ts->msg_idx, &val);
- switch (action) {
- case ADS7846_FILTER_REPEAT:
- break;
- case ADS7846_FILTER_IGNORE:
- packet->tc.ignore = 1;
- /* Last message will contain ads7846_rx() as the
- * completion function.
- */
- m = ts->last_msg;
- break;
- case ADS7846_FILTER_OK:
- *(u16 *)t->rx_buf = val;
- packet->tc.ignore = 0;
- m = &ts->msg[++ts->msg_idx];
- break;
- default:
- BUG();
- }
- ts->wait_for_sync();
status = spi_async(ts->spi, m);
if (status)
dev_err(&ts->spi->dev, "spi_async --> %d\n",
status);
}
-static enum hrtimer_restart ads7846_timer(struct hrtimer *handle)
+static void ads7846_timer(unsigned long handle)
{
- struct ads7846 *ts = container_of(handle, struct ads7846, timer);
- int status = 0;
+ struct ads7846 *ts = (void *)handle;
+ struct input_dev *input_dev = ts->input;
+ int status = 0;
- spin_lock(&ts->lock);
-
- if (unlikely(!get_pendown_state(ts) ||
- device_suspended(&ts->spi->dev))) {
- if (ts->pendown) {
- struct input_dev *input = ts->input;
-
- input_report_key(input, BTN_TOUCH, 0);
- input_report_abs(input, ABS_PRESSURE, 0);
- input_sync(input);
+ /* get sample */
+ ts->pendown = ts->get_pendown_state();
+ spin_lock_irq(&ts->lock);
+ if (ts->model == 7843) {
+ ts->pending = 0;
+ if (unlikely(!ts->pendown)) {
- ts->pendown = 0;
-#ifdef VERBOSE
- dev_dbg(&ts->spi->dev, "UP\n");
-#endif
- }
+ input_report_key(input_dev, BTN_TOUCH, 0);
+ input_report_abs(input_dev, ABS_PRESSURE, 0);
+ input_sync(input_dev);
- /* measurement cycle ended */
- if (!device_suspended(&ts->spi->dev)) {
- ts->irq_disabled = 0;
- enable_irq(ts->spi->irq);
+ if (!device_suspended(&ts->spi->dev)) {
+ ts->irq_disabled = 0;
+ enable_irq(ts->spi->irq);
+ }
+ } else {
+ /* pen is still down, continue with the measurement */
+ status = spi_async(ts->spi, &ts->msg[0]);
+ if (status)
+ dev_err(&ts->spi->dev, "spi_async --> %d\n", status);
}
- ts->pending = 0;
} else {
- /* pen is still down, continue with the measurement */
- ts->msg_idx = 0;
- ts->wait_for_sync();
- status = spi_async(ts->spi, &ts->msg[0]);
- if (status)
- dev_err(&ts->spi->dev, "spi_async --> %d\n", status);
+ if (unlikely(ts->msg_idx && !ts->pendown)) {
+ /* measurement cycle ended */
+ if (!device_suspended(&ts->spi->dev)) {
+ ts->irq_disabled = 0;
+ enable_irq(ts->spi->irq);
+ }
+ ts->pending = 0;
+ ts->msg_idx = 0;
+ } else {
+ /* pen is still down, continue with the measurement */
+ ts->msg_idx = 0;
+ status = spi_async(ts->spi, &ts->msg[0]);
+ if (status)
+ dev_err(&ts->spi->dev, "spi_async --> %d\n", status);
+ }
}
-
- spin_unlock(&ts->lock);
- return HRTIMER_NORESTART;
+ spin_unlock_irq(&ts->lock);
}
static irqreturn_t ads7846_irq(int irq, void *handle)
@@ -753,7 +687,8 @@ static irqreturn_t ads7846_irq(int irq, void *handle)
unsigned long flags;
spin_lock_irqsave(&ts->lock, flags);
- if (likely(get_pendown_state(ts))) {
+
+ if (likely(ts->get_pendown_state())) {
if (!ts->irq_disabled) {
/* The ARM do_simple_IRQ() dispatcher doesn't act
* like the other dispatchers: it will report IRQs
@@ -763,8 +698,7 @@ static irqreturn_t ads7846_irq(int irq, void *handle)
ts->irq_disabled = 1;
disable_irq_nosync(ts->spi->irq);
ts->pending = 1;
- hrtimer_start(&ts->timer, ktime_set(0, TS_POLL_DELAY),
- HRTIMER_MODE_REL);
+ mod_timer(&ts->timer, jiffies);
}
}
spin_unlock_irqrestore(&ts->lock, flags);
@@ -785,7 +719,7 @@ static void ads7846_disable(struct ads7846 *ts)
/* are we waiting for IRQ, or polling? */
if (!ts->pending) {
ts->irq_disabled = 1;
- disable_irq(ts->spi->irq);
+ disable_irq_nosync(ts->spi->irq);
} else {
/* the timer will run at least once more, and
* leave everything in a clean state, IRQ disabled
@@ -800,6 +734,7 @@ static void ads7846_disable(struct ads7846 *ts)
/* we know the chip's in lowpower mode since we always
* leave it that way after every request
*/
+
}
/* Must be called with ts->lock held */
@@ -819,7 +754,7 @@ static int ads7846_suspend(struct spi_device *spi, pm_message_t message)
spin_lock_irq(&ts->lock);
- ts->is_suspended = 1;
+ spi->dev.power.power_state = message;
ads7846_disable(ts);
spin_unlock_irq(&ts->lock);
@@ -834,7 +769,7 @@ static int ads7846_resume(struct spi_device *spi)
spin_lock_irq(&ts->lock);
- ts->is_suspended = 0;
+ spi->dev.power.power_state = PMSG_ON;
ads7846_enable(ts);
spin_unlock_irq(&ts->lock);
@@ -842,45 +777,13 @@ static int ads7846_resume(struct spi_device *spi)
return 0;
}
-static int __devinit setup_pendown(struct spi_device *spi, struct ads7846 *ts)
-{
- struct ads7846_platform_data *pdata = spi->dev.platform_data;
- int err;
-
- /* REVISIT when the irq can be triggered active-low, or if for some
- * reason the touchscreen isn't hooked up, we don't need to access
- * the pendown state.
- */
- if (!pdata->get_pendown_state && !gpio_is_valid(pdata->gpio_pendown)) {
- dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n");
- return -EINVAL;
- }
-
- if (pdata->get_pendown_state) {
- ts->get_pendown_state = pdata->get_pendown_state;
- return 0;
- }
-
- err = gpio_request(pdata->gpio_pendown, "ads7846_pendown");
- if (err) {
- dev_err(&spi->dev, "failed to request pendown GPIO%d\n",
- pdata->gpio_pendown);
- return err;
- }
-
- ts->gpio_pendown = pdata->gpio_pendown;
- return 0;
-}
-
static int __devinit ads7846_probe(struct spi_device *spi)
{
struct ads7846 *ts;
- struct ads7846_packet *packet;
struct input_dev *input_dev;
struct ads7846_platform_data *pdata = spi->dev.platform_data;
struct spi_message *m;
struct spi_transfer *x;
- int vref;
int err;
if (!spi->irq) {
@@ -900,33 +803,46 @@ static int __devinit ads7846_probe(struct spi_device *spi)
return -EINVAL;
}
+ /* REVISIT when the irq can be triggered active-low, or if for some
+ * reason the touchscreen isn't hooked up, we don't need to access
+ * the pendown state.
+ */
+ if (pdata->get_pendown_state == NULL) {
+ dev_dbg(&spi->dev, "no get_pendown_state function?\n");
+ return -EINVAL;
+ }
+
/* We'd set TX wordsize 8 bits and RX wordsize to 13 bits ... except
* that even if the hardware can do that, the SPI controller driver
* may not. So we stick to very-portable 8 bit words, both RX and TX.
*/
spi->bits_per_word = 8;
- spi->mode = SPI_MODE_0;
- err = spi_setup(spi);
- if (err < 0)
- return err;
ts = kzalloc(sizeof(struct ads7846), GFP_KERNEL);
- packet = kzalloc(sizeof(struct ads7846_packet), GFP_KERNEL);
input_dev = input_allocate_device();
- if (!ts || !packet || !input_dev) {
+ if (!ts || !input_dev) {
err = -ENOMEM;
goto err_free_mem;
}
dev_set_drvdata(&spi->dev, ts);
- ts->packet = packet;
+ spi->dev.power.power_state = PMSG_ON;
+
ts->spi = spi;
ts->input = input_dev;
- ts->vref_mv = pdata->vref_mv;
- ts->swap_xy = pdata->swap_xy;
- hrtimer_init(&ts->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+ ts->buflen = pdata->buflen ? : MAX_BUF_SAMPLE_LEN;
+ ts->buflen = ts->buflen & ~0x1; /* must be even */
+
+ if (ads7843_setup_buffers(&spi->dev)) {
+ dev_dbg(&spi->dev, "error allocating memory for sample buffers\n");
+ err = -ENOMEM;
+ goto err_free_mem;
+ }
+
+ init_timer(&ts->timer);
+ ts->timer.data = (unsigned long) ts;
ts->timer.function = ads7846_timer;
spin_lock_init(&ts->lock);
@@ -935,40 +851,22 @@ static int __devinit ads7846_probe(struct spi_device *spi)
ts->vref_delay_usecs = pdata->vref_delay_usecs ? : 100;
ts->x_plate_ohms = pdata->x_plate_ohms ? : 400;
ts->pressure_max = pdata->pressure_max ? : ~0;
+ ts->skip_samples = pdata->skip_samples ? : 0;
+ ts->rotate = pdata->rotate ? : 0;
- if (pdata->filter != NULL) {
- if (pdata->filter_init != NULL) {
- err = pdata->filter_init(pdata, &ts->filter_data);
- if (err < 0)
- goto err_free_mem;
- }
- ts->filter = pdata->filter;
- ts->filter_cleanup = pdata->filter_cleanup;
- } else if (pdata->debounce_max) {
+ if (pdata->debounce_max) {
ts->debounce_max = pdata->debounce_max;
- if (ts->debounce_max < 2)
- ts->debounce_max = 2;
ts->debounce_tol = pdata->debounce_tol;
ts->debounce_rep = pdata->debounce_rep;
- ts->filter = ads7846_debounce;
- ts->filter_data = ts;
+ if (ts->debounce_rep > ts->debounce_max + 1)
+ ts->debounce_rep = ts->debounce_max - 1;
} else
- ts->filter = ads7846_no_filter;
-
- err = setup_pendown(spi, ts);
- if (err)
- goto err_cleanup_filter;
-
- if (pdata->penirq_recheck_delay_usecs)
- ts->penirq_recheck_delay_usecs =
- pdata->penirq_recheck_delay_usecs;
-
- ts->wait_for_sync = pdata->wait_for_sync ? : null_wait_for_sync;
+ ts->debounce_tol = ~0;
+ ts->get_pendown_state = pdata->get_pendown_state;
snprintf(ts->phys, sizeof(ts->phys), "%s/input0", dev_name(&spi->dev));
- snprintf(ts->name, sizeof(ts->name), "ADS%d Touchscreen", ts->model);
- input_dev->name = ts->name;
+ input_dev->name = "ADS784x Touchscreen";
input_dev->phys = ts->phys;
input_dev->dev.parent = &spi->dev;
@@ -983,9 +881,8 @@ static int __devinit ads7846_probe(struct spi_device *spi)
pdata->y_max ? : MAX_12BIT,
0, 0);
input_set_abs_params(input_dev, ABS_PRESSURE,
- pdata->pressure_min, pdata->pressure_max, 0, 0);
-
- vref = pdata->keep_vref_on;
+ pdata->pressure_min ? : 0,
+ pdata->pressure_max ? : 1, 0, 0);
/* set up the transfers to read touchscreen state; this assumes we
* use formula #2 for pressure, not #3.
@@ -995,209 +892,176 @@ static int __devinit ads7846_probe(struct spi_device *spi)
spi_message_init(m);
- /* y- still on; turn on only y+ (and ADC) */
- packet->read_y = READ_Y(vref);
- x->tx_buf = &packet->read_y;
- x->len = 1;
- spi_message_add_tail(x, m);
-
- x++;
- x->rx_buf = &packet->tc.y;
- x->len = 2;
- spi_message_add_tail(x, m);
-
- /* the first sample after switching drivers can be low quality;
- * optionally discard it, using a second one after the signals
- * have had enough time to stabilize.
- */
- if (pdata->settle_delay_usecs) {
- x->delay_usecs = pdata->settle_delay_usecs;
-
- x++;
- x->tx_buf = &packet->read_y;
- x->len = 1;
+ if (ts->model == 7843) {
+ x->tx_buf = ts->txbuf;
+ x->rx_buf = ts->rxbuf;
+ x->len = ts->buflen * sizeof(u32) * 3; /* For every sample we take 3 samples and choose the better 2 */
spi_message_add_tail(x, m);
- x++;
- x->rx_buf = &packet->tc.y;
- x->len = 2;
- spi_message_add_tail(x, m);
- }
-
- m->complete = ads7846_rx_val;
- m->context = ts;
-
- m++;
- spi_message_init(m);
-
- /* turn y- off, x+ on, then leave in lowpower */
- x++;
- packet->read_x = READ_X(vref);
- x->tx_buf = &packet->read_x;
- x->len = 1;
- spi_message_add_tail(x, m);
-
- x++;
- x->rx_buf = &packet->tc.x;
- x->len = 2;
- spi_message_add_tail(x, m);
-
- /* ... maybe discard first sample ... */
- if (pdata->settle_delay_usecs) {
- x->delay_usecs = pdata->settle_delay_usecs;
+ m->complete = ads7843_rx_average;
+ m->context = ts;
- x++;
- x->tx_buf = &packet->read_x;
+ ts->last_msg = m;
+ } else {
+ /* y- still on; turn on only y+ (and ADC) */
+ ts->read_y = READ_Y;
+ x->tx_buf = &ts->read_y;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &packet->tc.x;
+ x->rx_buf = &ts->tc.y;
x->len = 2;
spi_message_add_tail(x, m);
- }
- m->complete = ads7846_rx_val;
- m->context = ts;
+ m->complete = ads7846_debounce;
+ m->context = ts;
- /* turn y+ off, x- on; we'll use formula #2 */
- if (ts->model == 7846) {
m++;
spi_message_init(m);
+ /* turn y- off, x+ on, then leave in lowpower */
x++;
- packet->read_z1 = READ_Z1(vref);
- x->tx_buf = &packet->read_z1;
+ ts->read_x = READ_X;
+ x->tx_buf = &ts->read_x;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &packet->tc.z1;
+ x->rx_buf = &ts->tc.x;
x->len = 2;
spi_message_add_tail(x, m);
- /* ... maybe discard first sample ... */
- if (pdata->settle_delay_usecs) {
- x->delay_usecs = pdata->settle_delay_usecs;
+ m->complete = ads7846_debounce;
+ m->context = ts;
+
+ /* turn y+ off, x- on; we'll use formula #2 */
+ if (ts->model == 7846) {
+ m++;
+ spi_message_init(m);
x++;
- x->tx_buf = &packet->read_z1;
+ ts->read_z1 = READ_Z1;
+ x->tx_buf = &ts->read_z1;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &packet->tc.z1;
+ x->rx_buf = &ts->tc.z1;
x->len = 2;
spi_message_add_tail(x, m);
- }
-
- m->complete = ads7846_rx_val;
- m->context = ts;
-
- m++;
- spi_message_init(m);
- x++;
- packet->read_z2 = READ_Z2(vref);
- x->tx_buf = &packet->read_z2;
- x->len = 1;
- spi_message_add_tail(x, m);
-
- x++;
- x->rx_buf = &packet->tc.z2;
- x->len = 2;
- spi_message_add_tail(x, m);
+ m->complete = ads7846_debounce;
+ m->context = ts;
- /* ... maybe discard first sample ... */
- if (pdata->settle_delay_usecs) {
- x->delay_usecs = pdata->settle_delay_usecs;
+ m++;
+ spi_message_init(m);
x++;
- x->tx_buf = &packet->read_z2;
+ ts->read_z2 = READ_Z2;
+ x->tx_buf = &ts->read_z2;
x->len = 1;
spi_message_add_tail(x, m);
x++;
- x->rx_buf = &packet->tc.z2;
+ x->rx_buf = &ts->tc.z2;
x->len = 2;
spi_message_add_tail(x, m);
- }
- m->complete = ads7846_rx_val;
- m->context = ts;
- }
+ m->complete = ads7846_debounce;
+ m->context = ts;
+ }
- /* power down */
- m++;
- spi_message_init(m);
+ /* power down */
+ m++;
+ spi_message_init(m);
- x++;
- packet->pwrdown = PWRDOWN;
- x->tx_buf = &packet->pwrdown;
- x->len = 1;
- spi_message_add_tail(x, m);
+ x++;
+ ts->pwrdown = PWRDOWN;
+ x->tx_buf = &ts->pwrdown;
+ x->len = 1;
+ spi_message_add_tail(x, m);
- x++;
- x->rx_buf = &packet->dummy;
- x->len = 2;
- CS_CHANGE(*x);
- spi_message_add_tail(x, m);
+ x++;
+ x->rx_buf = &ts->dummy;
+ x->len = 2;
+ CS_CHANGE(*x);
+ spi_message_add_tail(x, m);
- m->complete = ads7846_rx;
- m->context = ts;
+ m->complete = ads7846_rx;
+ m->context = ts;
- ts->last_msg = m;
+ ts->last_msg = m;
+ }
if (request_irq(spi->irq, ads7846_irq, IRQF_TRIGGER_FALLING,
spi->dev.driver->name, ts)) {
- dev_info(&spi->dev,
- "trying pin change workaround on irq %d\n", spi->irq);
- err = request_irq(spi->irq, ads7846_irq,
- IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
- spi->dev.driver->name, ts);
- if (err) {
- dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
- goto err_free_gpio;
- }
+ dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
+ err = -EBUSY;
+ goto err_free_buf;
}
- err = ads784x_hwmon_register(spi, ts);
- if (err)
- goto err_free_irq;
-
dev_info(&spi->dev, "touchscreen, irq %d\n", spi->irq);
- /* take a first sample, leaving nPENIRQ active and vREF off; avoid
+ /* take a first sample, leaving nPENIRQ active; avoid
* the touchscreen, in case it's not connected.
*/
- (void) ads7846_read12_ser(&spi->dev,
- READ_12BIT_SER(vaux) | ADS_PD10_ALL_ON);
+ if (ts->model != 7843) {
+ /* take a first sample, leaving nPENIRQ active; avoid
+ * the touchscreen, in case it's not connected.
+ */
+ (void) ads7846_read12_ser(&spi->dev,
+ READ_12BIT_SER(vaux) | ADS_PD10_ALL_ON);
+ }
- err = sysfs_create_group(&spi->dev.kobj, &ads784x_attr_group);
- if (err)
- goto err_remove_hwmon;
+ /* ads7843/7845 don't have temperature sensors, and
+ * use the other sensors a bit differently too
+ */
+ if (ts->model == 7846) {
+ device_create_file(&spi->dev, &dev_attr_temp0);
+ device_create_file(&spi->dev, &dev_attr_temp1);
+ }
+
+ if (ts->model != 7845 && ts->model != 7843)
+ device_create_file(&spi->dev, &dev_attr_vbatt);
+
+ if (ts->model != 7843) {
+ device_create_file(&spi->dev, &dev_attr_vaux);
+ }
+
+ device_create_file(&spi->dev, &dev_attr_pen_down);
+ device_create_file(&spi->dev, &dev_attr_disable);
err = input_register_device(input_dev);
if (err)
- goto err_remove_attr_group;
+ goto err_remove_attr;
return 0;
- err_remove_attr_group:
- sysfs_remove_group(&spi->dev.kobj, &ads784x_attr_group);
- err_remove_hwmon:
- ads784x_hwmon_unregister(spi, ts);
- err_free_irq:
+ err_remove_attr:
+ device_remove_file(&spi->dev, &dev_attr_disable);
+ device_remove_file(&spi->dev, &dev_attr_pen_down);
+ if (ts->model == 7846) {
+ device_remove_file(&spi->dev, &dev_attr_temp1);
+ device_remove_file(&spi->dev, &dev_attr_temp0);
+ }
+
+ if (ts->model != 7845 && ts->model != 7843)
+ device_remove_file(&spi->dev, &dev_attr_vbatt);
+
+ if (ts->model != 7843) {
+ device_remove_file(&spi->dev, &dev_attr_vaux);
+ }
+
free_irq(spi->irq, ts);
- err_free_gpio:
- if (ts->gpio_pendown != -1)
- gpio_free(ts->gpio_pendown);
- err_cleanup_filter:
- if (ts->filter_cleanup)
- ts->filter_cleanup(ts->filter_data);
+
+ err_free_buf:
+ if (ts->txbuf)
+ kfree(ts->txbuf);
+ if (ts->rxbuf)
+ kfree(ts->rxbuf);
err_free_mem:
input_free_device(input_dev);
- kfree(packet);
kfree(ts);
return err;
}
@@ -1206,24 +1070,33 @@ static int __devexit ads7846_remove(struct spi_device *spi)
{
struct ads7846 *ts = dev_get_drvdata(&spi->dev);
- ads784x_hwmon_unregister(spi, ts);
input_unregister_device(ts->input);
ads7846_suspend(spi, PMSG_SUSPEND);
- sysfs_remove_group(&spi->dev.kobj, &ads784x_attr_group);
+ if (ts->txbuf)
+ kfree(ts->txbuf);
+ if (ts->rxbuf)
+ kfree(ts->rxbuf);
- free_irq(ts->spi->irq, ts);
- /* suspend left the IRQ disabled */
- enable_irq(ts->spi->irq);
+ device_remove_file(&spi->dev, &dev_attr_disable);
+ device_remove_file(&spi->dev, &dev_attr_pen_down);
+ if (ts->model == 7846) {
+ device_remove_file(&spi->dev, &dev_attr_temp1);
+ device_remove_file(&spi->dev, &dev_attr_temp0);
+ }
+
+ if (ts->model != 7845 && ts->model != 7843)
+ device_remove_file(&spi->dev, &dev_attr_vbatt);
- if (ts->gpio_pendown != -1)
- gpio_free(ts->gpio_pendown);
+ if (ts->model != 7843) {
+ device_remove_file(&spi->dev, &dev_attr_vaux);
+ }
- if (ts->filter_cleanup)
- ts->filter_cleanup(ts->filter_data);
+ free_irq(ts->spi->irq, ts);
+ /* suspend left the IRQ disabled */
+ disable_irq_nosync(ts->spi->irq);
- kfree(ts->packet);
kfree(ts);
dev_dbg(&spi->dev, "unregistered touchscreen\n");
diff --git a/drivers/input/touchscreen/mxc_ts.c b/drivers/input/touchscreen/mxc_ts.c
index 610f31e65778..6cce76f1494f 100644
--- a/drivers/input/touchscreen/mxc_ts.c
+++ b/drivers/input/touchscreen/mxc_ts.c
@@ -43,6 +43,9 @@
#include <linux/pmic_external.h>
#include <linux/pmic_adc.h>
#include <linux/kthread.h>
+#ifdef CONFIG_EARLYSUSPEND
+#include <linux/earlysuspend.h>
+#endif
#define MXC_TS_NAME "mxc_ts"
@@ -60,6 +63,30 @@ static struct task_struct *tstask;
static int calibration[7];
module_param_array(calibration, int, NULL, S_IRUGO | S_IWUSR);
+#ifdef CONFIG_EARLYSUSPEND
+
+static wait_queue_head_t ts_wait;
+static int ts_suspend;
+
+static void stop_ts_early_suspend(struct early_suspend *h)
+{
+ ts_suspend = 1;
+}
+
+static void start_ts_late_resume(struct early_suspend *h)
+{
+ ts_suspend = 0;
+ wake_up_interruptible(&ts_wait);
+}
+
+static struct early_suspend stop_ts_early_suspend_desc = {
+ .level = EARLY_SUSPEND_LEVEL_STOP_DRAWING,
+ .suspend = stop_ts_early_suspend,
+ .resume = start_ts_late_resume,
+};
+
+#endif
+
static int ts_thread(void *arg)
{
t_touch_screen ts_sample;
@@ -69,6 +96,9 @@ static int ts_thread(void *arg)
int x, y;
static int last_x = -1, last_y = -1, last_press = -1;
+#ifdef CONFIG_EARLYSUSPEND
+ wait_event_interruptible(ts_wait, !ts_suspend);
+#endif
memset(&ts_sample, 0, sizeof(t_touch_screen));
/* After 2 consecutive samples with the pen up, enable irq waiting */
@@ -76,14 +106,13 @@ static int ts_thread(void *arg)
msleep(20);
continue;
}
- if (!(ts_sample.contact_resistance || wait))
- {
+ if (!(ts_sample.contact_resistance || wait)) {
msleep(20);
continue;
}
if (ts_sample.x_position == 0 && ts_sample.y_position == 0 &&
- ts_sample.contact_resistance == 0) {
+ ts_sample.contact_resistance == 0) {
x = last_x;
y = last_y;
} else if (calibration[6] == 0) {
@@ -91,14 +120,14 @@ static int ts_thread(void *arg)
y = ts_sample.y_position;
} else {
x = calibration[0] * (int)ts_sample.x_position +
- calibration[1] * (int)ts_sample.y_position +
- calibration[2];
+ calibration[1] * (int)ts_sample.y_position +
+ calibration[2];
x /= calibration[6];
if (x < 0)
x = 0;
y = calibration[3] * (int)ts_sample.x_position +
- calibration[4] * (int)ts_sample.y_position +
- calibration[5];
+ calibration[4] * (int)ts_sample.y_position +
+ calibration[5];
y /= calibration[6];
if (y < 0)
y = 0;
@@ -127,7 +156,7 @@ static int ts_thread(void *arg)
/* report the BTN_TOUCH */
if (ts_sample.contact_resistance != last_press)
input_event(mxc_inputdev, EV_KEY,
- BTN_TOUCH, ts_sample.contact_resistance);
+ BTN_TOUCH, ts_sample.contact_resistance);
input_sync(mxc_inputdev);
last_press = ts_sample.contact_resistance;
@@ -148,8 +177,7 @@ static int __init mxc_ts_init(void)
mxc_inputdev = input_allocate_device();
if (!mxc_inputdev) {
- printk(KERN_ERR
- "mxc_ts_init: not enough memory\n");
+ printk(KERN_ERR "mxc_ts_init: not enough memory\n");
return -ENOMEM;
}
@@ -166,11 +194,14 @@ static int __init mxc_ts_init(void)
tstask = kthread_run(ts_thread, NULL, "mxc_ts");
if (IS_ERR(tstask)) {
- printk(KERN_ERR
- "mxc_ts_init: failed to create kthread");
+ printk(KERN_ERR "mxc_ts_init: failed to create kthread");
tstask = NULL;
return -1;
}
+#ifdef CONFIG_EARLYSUSPEND
+ init_waitqueue_head(&ts_wait);
+ register_early_suspend(&stop_ts_early_suspend_desc);
+#endif
printk("mxc input touchscreen loaded\n");
return 0;
}
@@ -186,6 +217,9 @@ static void __exit mxc_ts_exit(void)
input_free_device(mxc_inputdev);
mxc_inputdev = NULL;
}
+#ifdef CONFIG_EARLYSUSPEND
+ unregister_early_suspend(&stop_ts_early_suspend_desc);
+#endif
}
late_initcall(mxc_ts_init);
diff --git a/drivers/leds/leds-mxs-pwm.c b/drivers/leds/leds-mxs-pwm.c
index c76821770446..a546900a44d0 100644
--- a/drivers/leds/leds-mxs-pwm.c
+++ b/drivers/leds/leds-mxs-pwm.c
@@ -165,10 +165,35 @@ static int __devexit mxs_pwm_led_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM
+static int mxs_led_suspend(struct platform_device *dev, pm_message_t state)
+{
+ int i;
+
+ for (i = 0; i < leds.led_num; i++)
+ led_classdev_suspend(&leds.leds[i].dev);
+ return 0;
+}
+
+static int mxs_led_resume(struct platform_device *dev)
+{
+ int i;
+
+ for (i = 0; i < leds.led_num; i++)
+ led_classdev_resume(&leds.leds[i].dev);
+ return 0;
+}
+#else
+#define mxs_led_suspend NULL
+#define mxs_led_resume NULL
+#endif
+
static struct platform_driver mxs_pwm_led_driver = {
.probe = mxs_pwm_led_probe,
.remove = __devexit_p(mxs_pwm_led_remove),
+ .suspend = mxs_led_suspend,
+ .resume = mxs_led_resume,
.driver = {
.name = "mxs-leds",
},
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index c64c8d201262..e7185d1cf281 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -592,6 +592,17 @@ config VIDEO_MXS_PXP
To compile this driver as a module, choose M here: the
module will be called pxp.
+config VIDEO_MXC_PXP_V4L2
+ tristate "MXC PxP V4L2 driver"
+ depends on VIDEO_DEV && VIDEO_V4L2 && ARCH_MX5
+ select VIDEOBUF_DMA_CONTIG
+ ---help---
+ This is a video4linux driver for the Freescale PxP
+ (Pixel Pipeline). This module supports output overlay of
+ the MXC framebuffer on a video stream.
+
+ To compile this driver as a module, choose M here.
+
config VIDEO_MXC_OPL
tristate
depends on VIDEO_DEV && ARCH_MXC
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index 49cb18802024..a4de2a151253 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -94,6 +94,7 @@ obj-$(CONFIG_VIDEO_MXC_CSI_CAMERA) += mxc/capture/
obj-$(CONFIG_VIDEO_MXC_IPU_OUTPUT) += mxc/output/
obj-$(CONFIG_VIDEO_MXC_IPUV1_WVGA_OUTPUT) += mxc/output/
obj-$(CONFIG_VIDEO_MXC_EMMA_OUTPUT) += mxc/output/
+obj-$(CONFIG_VIDEO_MXC_PXP_V4L2) += mxc/output/
obj-$(CONFIG_VIDEO_MXC_OPL) += mxc/opl/
obj-$(CONFIG_VIDEO_PXP) += pxp.o
obj-$(CONFIG_VIDEO_MXS_PXP) += mxs_pxp.o
diff --git a/drivers/media/video/mxc/capture/Kconfig b/drivers/media/video/mxc/capture/Kconfig
index adab0a886f36..276dfa424feb 100644
--- a/drivers/media/video/mxc/capture/Kconfig
+++ b/drivers/media/video/mxc/capture/Kconfig
@@ -58,6 +58,22 @@ config MXC_CAMERA_MICRON111
---help---
If you plan to use the mt9v111 Camera with your MXC system, say Y here.
+config MXC_CAMERA_MICRON111_1
+ tristate "Micron mt9v111 camera 1 support"
+ select I2C_MXC
+ depends on ! VIDEO_MXC_EMMA_CAMERA
+ depends on MXC_CAMERA_MICRON111
+ ---help---
+ If you plan to use the mt9v111 Camera 1 with your MXC system, say Y here.
+
+config MXC_CAMERA_MICRON111_2
+ tristate "Micron mt9v111 camera 2 support"
+ select I2C_MXC
+ depends on ! VIDEO_MXC_EMMA_CAMERA
+ depends on MXC_CAMERA_MICRON111
+ ---help---
+ If you plan to use the mt9v111 Camera 2 with your MXC system, say Y here.
+
config MXC_CAMERA_OV2640
tristate "OmniVision ov2640 camera support"
depends on !VIDEO_MXC_EMMA_CAMERA
@@ -72,7 +88,7 @@ config MXC_CAMERA_OV3640
config MXC_TVIN_ADV7180
tristate "Analog Device adv7180 TV Decoder Input support"
- depends on MACH_MX35_3DS
+ depends on (MACH_MX35_3DS || MACH_MX51_3DS)
---help---
If you plan to use the adv7180 video decoder with your MXC system, say Y here.
diff --git a/drivers/media/video/mxc/capture/Makefile b/drivers/media/video/mxc/capture/Makefile
index 112923c8fc8f..03ff094171bf 100644
--- a/drivers/media/video/mxc/capture/Makefile
+++ b/drivers/media/video/mxc/capture/Makefile
@@ -35,5 +35,5 @@ obj-$(CONFIG_MXC_CAMERA_OV2640) += ov2640_camera.o
ov3640_camera-objs := ov3640.o sensor_clock.o
obj-$(CONFIG_MXC_CAMERA_OV3640) += ov3640_camera.o
-adv7180_tvin-objs := adv7180.o sensor_clock.o
+adv7180_tvin-objs := adv7180.o
obj-$(CONFIG_MXC_TVIN_ADV7180) += adv7180_tvin.o
diff --git a/drivers/media/video/mxc/capture/adv7180.c b/drivers/media/video/mxc/capture/adv7180.c
index 1edee763bebc..527a0d1ad9fa 100644
--- a/drivers/media/video/mxc/capture/adv7180.c
+++ b/drivers/media/video/mxc/capture/adv7180.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -39,6 +39,7 @@ static struct regulator *dvddio_regulator;
static struct regulator *dvdd_regulator;
static struct regulator *avdd_regulator;
static struct regulator *pvdd_regulator;
+static struct mxc_tvin_platform_data *tvin_plat;
extern void gpio_sensor_active(void);
extern void gpio_sensor_inactive(void);
@@ -118,26 +119,26 @@ static video_fmt_t video_fmts[] = {
{ /*! NTSC */
.v4l2_id = V4L2_STD_NTSC,
.name = "NTSC",
- .raw_width = 720 - 1, /* SENS_FRM_WIDTH */
- .raw_height = 288 - 1, /* SENS_FRM_HEIGHT */
+ .raw_width = 720, /* SENS_FRM_WIDTH */
+ .raw_height = 525, /* SENS_FRM_HEIGHT */
.active_width = 720, /* ACT_FRM_WIDTH plus 1 */
- .active_height = (480 / 2), /* ACT_FRM_WIDTH plus 1 */
+ .active_height = 480, /* ACT_FRM_WIDTH plus 1 */
},
{ /*! (B, G, H, I, N) PAL */
.v4l2_id = V4L2_STD_PAL,
.name = "PAL",
- .raw_width = 720 - 1,
- .raw_height = (576 / 2) + 24 * 2 - 1,
+ .raw_width = 720,
+ .raw_height = 625,
.active_width = 720,
- .active_height = (576 / 2),
+ .active_height = 576,
},
{ /*! Unlocked standard */
.v4l2_id = V4L2_STD_ALL,
.name = "Autodetect",
- .raw_width = 720 - 1,
- .raw_height = (576 / 2) + 24 * 2 - 1,
+ .raw_width = 720,
+ .raw_height = 625,
.active_width = 720,
- .active_height = (576 / 2),
+ .active_height = 576,
},
};
@@ -246,6 +247,10 @@ static void adv7180_get_std(v4l2_std_id *std)
dev_dbg(&adv7180_data.i2c_client->dev, "In adv7180_get_std\n");
+ /* Make sure power on */
+ if (tvin_plat->pwdn)
+ tvin_plat->pwdn(0);
+
/* Read the AD_RESULT to get the detect output video standard */
tmp = adv7180_read(ADV7180_STATUS_1) & 0x70;
@@ -335,6 +340,11 @@ static int ioctl_s_power(struct v4l2_int_device *s, int on)
if (on && !sensor->on) {
gpio_sensor_active();
+
+ /* Make sure pwoer on */
+ if (tvin_plat->pwdn)
+ tvin_plat->pwdn(0);
+
if (adv7180_write_reg(ADV7180_PWR_MNG, 0) != 0)
return -EIO;
} else if (!on && sensor->on) {
@@ -500,6 +510,10 @@ static int ioctl_g_ctrl(struct v4l2_int_device *s, struct v4l2_control *vc)
dev_dbg(&adv7180_data.i2c_client->dev, "In adv7180:ioctl_g_ctrl\n");
+ /* Make sure power on */
+ if (tvin_plat->pwdn)
+ tvin_plat->pwdn(0);
+
switch (vc->id) {
case V4L2_CID_BRIGHTNESS:
dev_dbg(&adv7180_data.i2c_client->dev,
@@ -593,6 +607,10 @@ static int ioctl_s_ctrl(struct v4l2_int_device *s, struct v4l2_control *vc)
dev_dbg(&adv7180_data.i2c_client->dev, "In adv7180:ioctl_s_ctrl\n");
+ /* Make sure power on */
+ if (tvin_plat->pwdn)
+ tvin_plat->pwdn(0);
+
switch (vc->id) {
case V4L2_CID_BRIGHTNESS:
dev_dbg(&adv7180_data.i2c_client->dev,
@@ -803,13 +821,13 @@ static int adv7180_probe(struct i2c_client *client,
{
int rev_id;
int ret = 0;
- struct mxc_tvin_platform_data *plat_data = client->dev.platform_data;
+ tvin_plat = client->dev.platform_data;
dev_dbg(&adv7180_data.i2c_client->dev, "In adv7180_probe\n");
- if (plat_data->dvddio_reg) {
+ if (tvin_plat->dvddio_reg) {
dvddio_regulator =
- regulator_get(&client->dev, plat_data->dvddio_reg);
+ regulator_get(&client->dev, tvin_plat->dvddio_reg);
if (!IS_ERR_VALUE((unsigned long)dvddio_regulator)) {
regulator_set_voltage(dvddio_regulator, 3300000, 3300000);
if (regulator_enable(dvddio_regulator) != 0)
@@ -817,9 +835,9 @@ static int adv7180_probe(struct i2c_client *client,
}
}
- if (plat_data->dvdd_reg) {
+ if (tvin_plat->dvdd_reg) {
dvdd_regulator =
- regulator_get(&client->dev, plat_data->dvdd_reg);
+ regulator_get(&client->dev, tvin_plat->dvdd_reg);
if (!IS_ERR_VALUE((unsigned long)dvdd_regulator)) {
regulator_set_voltage(dvdd_regulator, 1800000, 1800000);
if (regulator_enable(dvdd_regulator) != 0)
@@ -827,9 +845,9 @@ static int adv7180_probe(struct i2c_client *client,
}
}
- if (plat_data->avdd_reg) {
+ if (tvin_plat->avdd_reg) {
avdd_regulator =
- regulator_get(&client->dev, plat_data->avdd_reg);
+ regulator_get(&client->dev, tvin_plat->avdd_reg);
if (!IS_ERR_VALUE((unsigned long)avdd_regulator)) {
regulator_set_voltage(avdd_regulator, 1800000, 1800000);
if (regulator_enable(avdd_regulator) != 0)
@@ -837,9 +855,9 @@ static int adv7180_probe(struct i2c_client *client,
}
}
- if (plat_data->pvdd_reg) {
+ if (tvin_plat->pvdd_reg) {
pvdd_regulator =
- regulator_get(&client->dev, plat_data->pvdd_reg);
+ regulator_get(&client->dev, tvin_plat->pvdd_reg);
if (!IS_ERR_VALUE((unsigned long)pvdd_regulator)) {
regulator_set_voltage(pvdd_regulator, 1800000, 1800000);
if (regulator_enable(pvdd_regulator) != 0)
@@ -847,11 +865,12 @@ static int adv7180_probe(struct i2c_client *client,
}
}
- if (plat_data->reset)
- plat_data->reset();
- if (plat_data->pwdn)
- plat_data->pwdn(1);
+ if (tvin_plat->reset)
+ tvin_plat->reset();
+
+ if (tvin_plat->pwdn)
+ tvin_plat->pwdn(0);
msleep(1);
@@ -913,7 +932,7 @@ static int adv7180_detach(struct i2c_client *client)
__func__, IF_NAME, client->addr << 1, client->adapter->name);
if (plat_data->pwdn)
- plat_data->pwdn(0);
+ plat_data->pwdn(1);
if (dvddio_regulator) {
regulator_disable(dvddio_regulator);
diff --git a/drivers/media/video/mxc/capture/csi_v4l2_capture.c b/drivers/media/video/mxc/capture/csi_v4l2_capture.c
index 9bddc3692996..cf224e0673f0 100644
--- a/drivers/media/video/mxc/capture/csi_v4l2_capture.c
+++ b/drivers/media/video/mxc/capture/csi_v4l2_capture.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -789,15 +789,15 @@ static ssize_t csi_v4l_read(struct file *file, char *buf, size_t count,
(cam->v2f.fmt.
pix.sizeimage),
&cam->
- still_buf,
+ still_buf[0],
GFP_DMA | GFP_KERNEL);
if (cam->still_buf_vaddr == NULL) {
pr_err("alloc dma memory failed\n");
return -ENOMEM;
}
cam->still_counter = 0;
- __raw_writel(cam->still_buf, CSI_CSIDMASA_FB2);
- __raw_writel(cam->still_buf, CSI_CSIDMASA_FB1);
+ __raw_writel(cam->still_buf[0], CSI_CSIDMASA_FB2);
+ __raw_writel(cam->still_buf[0], CSI_CSIDMASA_FB1);
__raw_writel(__raw_readl(CSI_CSICR3) | BIT_DMA_REFLASH_RFF,
CSI_CSICR3);
__raw_writel(__raw_readl(CSI_CSISR), CSI_CSISR);
@@ -813,8 +813,8 @@ static ssize_t csi_v4l_read(struct file *file, char *buf, size_t count,
if (cam->still_buf_vaddr != NULL) {
dma_free_coherent(0, PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage),
- cam->still_buf_vaddr, cam->still_buf);
- cam->still_buf = 0;
+ cam->still_buf_vaddr, cam->still_buf[0]);
+ cam->still_buf[0] = 0;
cam->still_buf_vaddr = NULL;
}
diff --git a/drivers/media/video/mxc/capture/emma_v4l2_capture.c b/drivers/media/video/mxc/capture/emma_v4l2_capture.c
index 9cb08b26f1cd..170807716ec6 100644
--- a/drivers/media/video/mxc/capture/emma_v4l2_capture.c
+++ b/drivers/media/video/mxc/capture/emma_v4l2_capture.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -858,7 +858,7 @@ static void mxc_csi_dma_chaining(void *data)
/* Config DMA */
memset(&dma_request, 0, sizeof(mxc_dma_requestbuf_t));
- dma_request.dst_addr = cam->still_buf
+ dma_request.dst_addr = cam->still_buf[0]
+ (chained % max_dma) * CSI_DMA_LENGTH;
dma_request.src_addr = (dma_addr_t) CSI_CSIRXFIFO_PHYADDR;
dma_request.num_of_bytes = count;
@@ -1040,7 +1040,7 @@ mxc_v4l_read(struct file *file, char *buf, size_t count, loff_t *ppos)
cam->still_buf_vaddr = dma_alloc_coherent(0,
PAGE_ALIGN(CSI_MEM_SIZE),
- &cam->still_buf,
+ &cam->still_buf[0],
GFP_DMA | GFP_KERNEL);
if (!cam->still_buf_vaddr) {
@@ -1120,8 +1120,8 @@ mxc_v4l_read(struct file *file, char *buf, size_t count, loff_t *ppos)
exit1:
dma_free_coherent(0, PAGE_ALIGN(CSI_MEM_SIZE),
- cam->still_buf_vaddr, cam->still_buf);
- cam->still_buf = 0;
+ cam->still_buf_vaddr, cam->still_buf[0]);
+ cam->still_buf[0] = 0;
exit0:
up(&cam->busy_lock);
@@ -1160,7 +1160,8 @@ mxc_v4l_read(struct file *file, char *buf, size_t count, loff_t *ppos)
v_address = dma_alloc_coherent(0,
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage),
- &cam->still_buf, GFP_DMA | GFP_KERNEL);
+ &cam->still_buf[0],
+ GFP_DMA | GFP_KERNEL);
if (!v_address) {
pr_info("mxc_v4l_read failed at allocate still_buf\n");
@@ -1194,8 +1195,8 @@ mxc_v4l_read(struct file *file, char *buf, size_t count, loff_t *ppos)
exit1:
dma_free_coherent(0, cam->v2f.fmt.pix.sizeimage, v_address,
- cam->still_buf);
- cam->still_buf = 0;
+ cam->still_buf[0]);
+ cam->still_buf[0] = 0;
exit0:
up(&cam->busy_lock);
diff --git a/drivers/media/video/mxc/capture/ipu_csi_enc.c b/drivers/media/video/mxc/capture/ipu_csi_enc.c
index fd3f0c132c14..0b87282551ff 100644
--- a/drivers/media/video/mxc/capture/ipu_csi_enc.c
+++ b/drivers/media/video/mxc/capture/ipu_csi_enc.c
@@ -25,6 +25,7 @@
#include "ipu_prp_sw.h"
#ifdef CAMERA_DBG
+ extern void ipu_dump_registers(void);
#define CAMERA_TRACE(x) (printk)x
#else
#define CAMERA_TRACE(x)
@@ -66,6 +67,7 @@ static int csi_enc_setup(cam_data *cam)
u32 pixel_fmt;
int err = 0;
dma_addr_t dummy = cam->dummy_frame.buffer.m.offset;
+ ipu_channel_t channel;
CAMERA_TRACE("In csi_enc_setup\n");
if (!cam) {
@@ -101,13 +103,18 @@ static int csi_enc_setup(cam_data *cam)
ipu_csi_enable_mclk_if(CSI_MCLK_ENC, cam->csi, true, true);
- err = ipu_init_channel(CSI_MEM, &params);
+ if (cam->csi == 0)
+ channel = CSI_MEM0;
+ else
+ channel = CSI_MEM1;
+
+ err = ipu_init_channel(channel, &params);
if (err != 0) {
printk(KERN_ERR "ipu_init_channel %d\n", err);
return err;
}
- err = ipu_init_channel_buffer(CSI_MEM, IPU_OUTPUT_BUFFER,
+ err = ipu_init_channel_buffer(channel, IPU_OUTPUT_BUFFER,
pixel_fmt, cam->v2f.fmt.pix.width,
cam->v2f.fmt.pix.height,
cam->v2f.fmt.pix.width, IPU_ROTATE_NONE,
@@ -115,12 +122,12 @@ static int csi_enc_setup(cam_data *cam)
cam->offset.u_offset,
cam->offset.v_offset);
if (err != 0) {
- printk(KERN_ERR "CSI_MEM output buffer\n");
+ printk(KERN_ERR "CSI_MEM%d output buffer\n",cam->csi);
return err;
}
- err = ipu_enable_channel(CSI_MEM);
+ err = ipu_enable_channel(channel);
if (err < 0) {
- printk(KERN_ERR "ipu_enable_channel CSI_MEM\n");
+ printk(KERN_ERR "ipu_enable_channel CSI_MEM%d\n",cam->csi);
return err;
}
@@ -135,24 +142,34 @@ static int csi_enc_setup(cam_data *cam)
*
* @return status
*/
-static int csi_enc_eba_update(dma_addr_t eba, int *buffer_num)
+static int csi_enc_eba_update(int csi, dma_addr_t eba, int *buffer_num)
{
int err = 0;
+ ipu_channel_t channel;
+
+ if (csi == 0)
+ channel = CSI_MEM0;
+ else
+ channel = CSI_MEM1;
- pr_debug("eba %x\n", eba);
- err = ipu_update_channel_buffer(CSI_MEM, IPU_OUTPUT_BUFFER,
+ err = ipu_update_channel_buffer(channel, IPU_OUTPUT_BUFFER,
*buffer_num, eba);
+
if (err != 0) {
- ipu_clear_buffer_ready(CSI_MEM, IPU_OUTPUT_BUFFER,
+ ipu_clear_buffer_ready(channel, IPU_OUTPUT_BUFFER,
*buffer_num);
printk(KERN_ERR "err %d buffer_num %d\n", err, *buffer_num);
return err;
}
- ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, *buffer_num);
+ ipu_select_buffer(channel, IPU_OUTPUT_BUFFER, *buffer_num);
*buffer_num = (*buffer_num == 0) ? 1 : 0;
+#ifdef CAMERA_DBG
+ ipu_dump_registers ();
+#endif
+
return 0;
}
@@ -166,6 +183,7 @@ static int csi_enc_enabling_tasks(void *private)
{
cam_data *cam = (cam_data *) private;
int err = 0;
+ int ipu_irq_csi_out_eof;
CAMERA_TRACE("IPU:In csi_enc_enabling_tasks\n");
cam->dummy_frame.vaddress = dma_alloc_coherent(0,
@@ -182,11 +200,16 @@ static int csi_enc_enabling_tasks(void *private)
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage);
cam->dummy_frame.buffer.m.offset = cam->dummy_frame.paddress;
- ipu_clear_irq(IPU_IRQ_CSI0_OUT_EOF);
- err = ipu_request_irq(IPU_IRQ_CSI0_OUT_EOF,
- csi_enc_callback, 0, "Mxc Camera", cam);
+ if (cam->csi == 0)
+ ipu_irq_csi_out_eof = IPU_IRQ_CSI0_OUT_EOF;
+ else
+ ipu_irq_csi_out_eof = IPU_IRQ_CSI1_OUT_EOF;
+ ipu_clear_irq(ipu_irq_csi_out_eof);
+ err = ipu_request_irq(ipu_irq_csi_out_eof,
+ csi_enc_callback, 0, "Mxc Camera", cam);
+
if (err != 0) {
- printk(KERN_ERR "Error registering rot irq\n");
+ printk(KERN_ERR "Error registering eot irq for csi %d\n",cam->csi);
return err;
}
@@ -209,12 +232,24 @@ static int csi_enc_disabling_tasks(void *private)
{
cam_data *cam = (cam_data *) private;
int err = 0;
+ ipu_channel_t channel;
+ int ipu_irq_csi_out_eof;
- ipu_free_irq(IPU_IRQ_CSI0_OUT_EOF, cam);
+ if (cam->csi == 0)
+ {
+ channel = CSI_MEM0;
+ ipu_irq_csi_out_eof = IPU_IRQ_CSI0_OUT_EOF;
+ }
+ else
+ {
+ channel = CSI_MEM1;
+ ipu_irq_csi_out_eof = IPU_IRQ_CSI1_OUT_EOF;
+ }
- err = ipu_disable_channel(CSI_MEM, true);
+ ipu_free_irq(ipu_irq_csi_out_eof, cam);
+ err = ipu_disable_channel(channel, true);
- ipu_uninit_channel(CSI_MEM);
+ ipu_uninit_channel(channel);
if (cam->dummy_frame.vaddress != 0) {
dma_free_coherent(0, cam->dummy_frame.buffer.length,
diff --git a/drivers/media/video/mxc/capture/ipu_prp_enc.c b/drivers/media/video/mxc/capture/ipu_prp_enc.c
index 4b5426cb887d..0df8050ad7de 100644
--- a/drivers/media/video/mxc/capture/ipu_prp_enc.c
+++ b/drivers/media/video/mxc/capture/ipu_prp_enc.c
@@ -19,12 +19,14 @@
* @ingroup IPU
*/
+#include <linux/types.h>
#include <linux/dma-mapping.h>
#include <linux/ipu.h>
#include "mxc_v4l2_capture.h"
#include "ipu_prp_sw.h"
#ifdef CAMERA_DBG
+ extern void ipu_dump_registers(void);
#define CAMERA_TRACE(x) (printk)x
#else
#define CAMERA_TRACE(x)
@@ -266,11 +268,10 @@ static int prp_enc_setup(cam_data * cam)
*
* @return status
*/
-static int prp_enc_eba_update(dma_addr_t eba, int *buffer_num)
+static int prp_enc_eba_update(int csi, dma_addr_t eba, int *buffer_num)
{
int err = 0;
- pr_debug("eba %x\n", eba);
if (grotation >= IPU_ROTATE_90_RIGHT) {
err = ipu_update_channel_buffer(MEM_ROT_ENC_MEM,
IPU_OUTPUT_BUFFER, *buffer_num,
@@ -294,6 +295,11 @@ static int prp_enc_eba_update(dma_addr_t eba, int *buffer_num)
}
*buffer_num = (*buffer_num == 0) ? 1 : 0;
+
+#ifdef CAMERA_DBG
+ ipu_dump_registers ();
+#endif
+
return 0;
}
@@ -350,7 +356,6 @@ static int prp_enc_disabling_tasks(void *private)
if (cam->rotation >= IPU_ROTATE_90_RIGHT) {
ipu_unlink_channels(CSI_PRP_ENC_MEM, MEM_ROT_ENC_MEM);
}
-
err = ipu_disable_channel(CSI_PRP_ENC_MEM, true);
if (cam->rotation >= IPU_ROTATE_90_RIGHT) {
err |= ipu_disable_channel(MEM_ROT_ENC_MEM, true);
diff --git a/drivers/media/video/mxc/capture/ipu_prp_vf_sdc_bg.c b/drivers/media/video/mxc/capture/ipu_prp_vf_sdc_bg.c
index 7f0984c42950..9f8078d558b0 100644
--- a/drivers/media/video/mxc/capture/ipu_prp_vf_sdc_bg.c
+++ b/drivers/media/video/mxc/capture/ipu_prp_vf_sdc_bg.c
@@ -182,6 +182,7 @@ static int prpvf_start(void *private)
printk(KERN_ERR "Error initializing CSI_PRP_VF_MEM\n");
goto out_3;
}
+
err = ipu_init_channel(MEM_ROT_VF_MEM, NULL);
if (err != 0) {
printk(KERN_ERR "Error MEM_ROT_VF_MEM channel\n");
@@ -200,6 +201,7 @@ static int prpvf_start(void *private)
}
if (cam->vf_rotation >= IPU_ROTATE_90_RIGHT) {
+
err = ipu_init_channel_buffer(MEM_ROT_VF_MEM, IPU_OUTPUT_BUFFER,
format,
vf.csi_prp_vf_mem.out_height,
diff --git a/drivers/media/video/mxc/capture/ipu_still.c b/drivers/media/video/mxc/capture/ipu_still.c
index 348bf2b9b564..22cf3f51e1cb 100644
--- a/drivers/media/video/mxc/capture/ipu_still.c
+++ b/drivers/media/video/mxc/capture/ipu_still.c
@@ -26,6 +26,9 @@
#include "ipu_prp_sw.h"
static int callback_eof_flag;
+#ifndef CONFIG_MXC_IPU_V1
+static int buffer_num;
+#endif
#ifdef CONFIG_MXC_IPU_V1
static int callback_flag;
@@ -42,10 +45,10 @@ static int callback_flag;
*/
static irqreturn_t prp_csi_eof_callback(int irq, void *dev_id)
{
- if (callback_flag == 2) {
- ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, 0);
+ ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER,
+ callback_flag%2 ? 1 : 0);
+ if (callback_flag == 0)
ipu_enable_channel(CSI_MEM);
- }
callback_flag++;
return IRQ_HANDLED;
@@ -65,9 +68,12 @@ static irqreturn_t prp_still_callback(int irq, void *dev_id)
cam_data *cam = (cam_data *) dev_id;
callback_eof_flag++;
- if (callback_eof_flag < 5)
- ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, 0);
- else {
+ if (callback_eof_flag < 5) {
+#ifndef CONFIG_MXC_IPU_V1
+ buffer_num = (buffer_num == 0) ? 1 : 0;
+ ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, buffer_num);
+#endif
+ } else {
cam->still_counter++;
wake_up_interruptible(&cam->still_queue);
}
@@ -87,6 +93,8 @@ static int prp_still_start(void *private)
u32 pixel_fmt;
int err;
ipu_channel_params_t params;
+ ipu_channel_t channel;
+ int ipu_irq_csi_out_eof;
if (cam->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420)
pixel_fmt = IPU_PIX_FMT_YUV420P;
@@ -113,20 +121,32 @@ static int prp_still_start(void *private)
ipu_csi_enable_mclk_if(CSI_MCLK_RAW, cam->csi, true, true);
+ if (cam->csi == 0) {
+ channel = CSI_MEM0;
+ ipu_irq_csi_out_eof = IPU_IRQ_CSI0_OUT_EOF;
+ }
+ else {
+ channel = CSI_MEM1;
+ ipu_irq_csi_out_eof = IPU_IRQ_CSI1_OUT_EOF;
+ }
+
memset(&params, 0, sizeof(params));
- err = ipu_init_channel(CSI_MEM, &params);
+ params.csi_mem.csi = cam->csi;
+ err = ipu_init_channel(channel, &params);
if (err != 0)
return err;
- err = ipu_init_channel_buffer(CSI_MEM, IPU_OUTPUT_BUFFER,
+ err = ipu_init_channel_buffer(channel, IPU_OUTPUT_BUFFER,
pixel_fmt, cam->v2f.fmt.pix.width,
cam->v2f.fmt.pix.height,
cam->v2f.fmt.pix.width, IPU_ROTATE_NONE,
- cam->still_buf, 0, 0, 0);
+ cam->still_buf[0], cam->still_buf[1],
+ 0, 0);
if (err != 0)
return err;
#ifdef CONFIG_MXC_IPU_V1
+ ipu_clear_irq(IPU_IRQ_SENSOR_OUT_EOF);
err = ipu_request_irq(IPU_IRQ_SENSOR_OUT_EOF, prp_still_callback,
0, "Mxc Camera", cam);
if (err != 0) {
@@ -135,6 +155,7 @@ static int prp_still_start(void *private)
}
callback_flag = 0;
callback_eof_flag = 0;
+ ipu_clear_irq(IPU_IRQ_SENSOR_EOF);
err = ipu_request_irq(IPU_IRQ_SENSOR_EOF, prp_csi_eof_callback,
0, "Mxc Camera", NULL);
if (err != 0) {
@@ -142,8 +163,9 @@ static int prp_still_start(void *private)
return err;
}
#else
- ipu_clear_irq(IPU_IRQ_CSI0_OUT_EOF);
- err = ipu_request_irq(IPU_IRQ_CSI0_OUT_EOF, prp_still_callback,
+
+ ipu_clear_irq(ipu_irq_csi_out_eof);
+ err = ipu_request_irq(ipu_irq_csi_out_eof, prp_still_callback,
0, "Mxc Camera", cam);
if (err != 0) {
printk(KERN_ERR "Error registering irq.\n");
@@ -151,9 +173,9 @@ static int prp_still_start(void *private)
}
callback_eof_flag = 0;
+ ipu_select_buffer(channel, IPU_OUTPUT_BUFFER, 0);
+ ipu_enable_channel(channel);
- ipu_select_buffer(CSI_MEM, IPU_OUTPUT_BUFFER, 0);
- ipu_enable_channel(CSI_MEM);
ipu_enable_csi(cam->csi);
#endif
@@ -170,17 +192,28 @@ static int prp_still_stop(void *private)
{
cam_data *cam = (cam_data *) private;
int err = 0;
+ ipu_channel_t channel;
+ int ipu_irq_csi_out_eof;
+
+ if (cam->csi == 0) {
+ channel = CSI_MEM0;
+ ipu_irq_csi_out_eof = IPU_IRQ_CSI0_OUT_EOF;
+ }
+ else {
+ channel = CSI_MEM1;
+ ipu_irq_csi_out_eof = IPU_IRQ_CSI1_OUT_EOF;
+ }
#ifdef CONFIG_MXC_IPU_V1
ipu_free_irq(IPU_IRQ_SENSOR_EOF, NULL);
ipu_free_irq(IPU_IRQ_SENSOR_OUT_EOF, cam);
#else
- ipu_free_irq(IPU_IRQ_CSI0_OUT_EOF, cam);
+ ipu_free_irq(ipu_irq_csi_out_eof, cam);
#endif
ipu_disable_csi(cam->csi);
- ipu_disable_channel(CSI_MEM, true);
- ipu_uninit_channel(CSI_MEM);
+ ipu_disable_channel(channel, true);
+ ipu_uninit_channel(channel);
ipu_csi_enable_mclk_if(CSI_MCLK_RAW, cam->csi, false, false);
return err;
diff --git a/drivers/media/video/mxc/capture/mt9v111.c b/drivers/media/video/mxc/capture/mt9v111.c
index c95a20683924..dfdd455db3dd 100644
--- a/drivers/media/video/mxc/capture/mt9v111.c
+++ b/drivers/media/video/mxc/capture/mt9v111.c
@@ -18,6 +18,9 @@
*
* @ingroup Camera
*/
+
+//#define MT9V111_DEBUG
+
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -40,7 +43,6 @@ static mt9v111_conf mt9v111_device;
/*!
* Holds the current frame rate.
*/
-static int reset_frame_rate = MT9V111_FRAME_RATE;
struct sensor {
const struct mt9v111_platform_data *platform_data;
@@ -49,33 +51,45 @@ struct sensor {
struct v4l2_pix_format pix;
struct v4l2_captureparm streamcap;
bool on;
+ bool used;
/* control settings */
int brightness;
- int hue;
- int contrast;
int saturation;
- int red;
- int green;
- int blue;
+ int sharpness;
+ int gain;
int ae_mode;
-} mt9v111_data;
-
-extern void gpio_sensor_active(void);
-extern void gpio_sensor_inactive(void);
+};
static int mt9v111_probe(struct i2c_client *client,
const struct i2c_device_id *id);
static int mt9v111_remove(struct i2c_client *client);
static const struct i2c_device_id mt9v111_id[] = {
- {"mt9v111", 0},
+ {"mt9v111_1", 2},
+ {"mt9v111_2", 3},
{},
};
+struct sensor mt9v111_data[ARRAY_SIZE(mt9v111_id)-1];
+
MODULE_DEVICE_TABLE(i2c, mt9v111_id);
+static int mt9v111_suspend(struct i2c_client *client, pm_message_t mesg)
+{
+ pr_debug("In mt9v111_suspend\n");
+
+ return 0;
+}
+
+static int mt9v111_resume(struct i2c_client *client)
+{
+ pr_debug("In mt9v111_resume\n");
+
+ return 0;
+}
+
static struct i2c_driver mt9v111_i2c_driver = {
.driver = {
.owner = THIS_MODULE,
@@ -84,37 +98,52 @@ static struct i2c_driver mt9v111_i2c_driver = {
.probe = mt9v111_probe,
.remove = mt9v111_remove,
.id_table = mt9v111_id,
-/* To add power management add .suspend and .resume functions */
+ .suspend = mt9v111_suspend,
+ .resume = mt9v111_resume,
};
/*
* Function definitions
*/
-#ifdef MT9V111_DEBUG
-static inline int mt9v111_read_reg(u8 reg)
+static int mt9v111_id_from_name ( const char * name )
+{
+ int id = -1;
+
+ if( name == NULL || ( strlen(name) < strlen("mt9v111_n") ) )
+ return -1;
+
+ id = (int)simple_strtol(name+strlen("mt9v111_"),NULL,0) - 1;
+ if( id >= ARRAY_SIZE(mt9v111_id) ) {
+ printk("Invalid sensor index %d for %s\n",id,name);
+ return -1;
+ }
+
+ return id;
+}
+
+static inline int mt9v111_read_reg(int sensorid , u8 reg)
{
- int val = i2c_smbus_read_word_data(mt9v111_data.i2c_client, reg);
+ int val = i2c_smbus_read_word_data(mt9v111_data[sensorid].i2c_client, reg);
if (val != -1)
val = cpu_to_be16(val);
return val;
}
-#endif
/*!
* Writes to the register via I2C.
*/
-static inline int mt9v111_write_reg(u8 reg, u16 val)
+static inline int mt9v111_write_reg(int sensorid , u8 reg, u16 val)
{
- pr_debug("In mt9v111_write_reg (0x%x, 0x%x)\n", reg, val);
+ pr_debug("[%d] In mt9v111_write_reg (0x%x, 0x%x)\n", sensorid , reg, val);
pr_debug(" write reg %x val %x.\n", reg, val);
- return i2c_smbus_write_word_data(mt9v111_data.i2c_client,
+ return i2c_smbus_write_word_data(mt9v111_data[sensorid].i2c_client,
reg, cpu_to_be16(val));
}
/*!
- * Initialize mt9v111_sensor_lib
+ * Initialize mt9v111_sensor_lib_datasheet
* Libarary for Sensor configuration through I2C
*
* @param coreReg Core Registers
@@ -122,7 +151,7 @@ static inline int mt9v111_write_reg(u8 reg, u16 val)
*
* @return status
*/
-static u8 mt9v111_sensor_lib(mt9v111_coreReg * coreReg, mt9v111_IFPReg * ifpReg)
+static u8 mt9v111_sensor_lib_datasheet(int sensorid , mt9v111_coreReg * coreReg, mt9v111_IFPReg * ifpReg)
{
u8 reg;
u16 data;
@@ -130,200 +159,103 @@ static u8 mt9v111_sensor_lib(mt9v111_coreReg * coreReg, mt9v111_IFPReg * ifpReg)
pr_debug("In mt9v111_sensor_lib\n");
+ /* IFP R51(0x33)=5137,R57(0x39)=290,R59(0x3B)=1068,R62(0x3E)=4095,R89(0x59)=504,R90(0x5A)=605,R92(0x5C)=8222,R93(0x5D)=10021,R100(0x64)=4477 */
+
/*
* setup to IFP registers
*/
reg = MT9V111I_ADDR_SPACE_SEL;
data = ifpReg->addrSpaceSel;
- mt9v111_write_reg(reg, data);
-
- /* Operation Mode Control */
- reg = MT9V111I_MODE_CONTROL;
- data = ifpReg->modeControl;
- mt9v111_write_reg(reg, data);
-
- /* Output format */
- reg = MT9V111I_FORMAT_CONTROL;
- data = ifpReg->formatControl; /* Set bit 12 */
- mt9v111_write_reg(reg, data);
-
- /* AE limit 4 */
- reg = MT9V111I_SHUTTER_WIDTH_LIMIT_AE;
- data = ifpReg->gainLimitAE;
- mt9v111_write_reg(reg, data);
-
- reg = MT9V111I_OUTPUT_FORMAT_CTRL2;
- data = ifpReg->outputFormatCtrl2;
- mt9v111_write_reg(reg, data);
-
- reg = MT9V111I_AE_SPEED;
- data = ifpReg->AESpeed;
- mt9v111_write_reg(reg, data);
-
- /* output image size */
- reg = MT9V111i_H_PAN;
- data = 0x8000 | ifpReg->HPan;
- mt9v111_write_reg(reg, data);
-
- reg = MT9V111i_H_ZOOM;
- data = 0x8000 | ifpReg->HZoom;
- mt9v111_write_reg(reg, data);
-
- reg = MT9V111i_H_SIZE;
- data = 0x8000 | ifpReg->HSize;
- mt9v111_write_reg(reg, data);
-
- reg = MT9V111i_V_PAN;
- data = 0x8000 | ifpReg->VPan;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
- reg = MT9V111i_V_ZOOM;
- data = 0x8000 | ifpReg->VZoom;
- mt9v111_write_reg(reg, data);
+ reg = MT9V111I_LIMIT_SHARP_SATU_CTRL;
+ data = ifpReg->limitSharpSatuCtrl;
+ mt9v111_write_reg(sensorid,reg, data);
- reg = MT9V111i_V_SIZE;
- data = 0x8000 | ifpReg->VSize;
- mt9v111_write_reg(reg, data);
-
- reg = MT9V111i_H_PAN;
- data = ~0x8000 & ifpReg->HPan;
- mt9v111_write_reg(reg, data);
-#if 0
reg = MT9V111I_UPPER_SHUTTER_DELAY_LIM;
data = ifpReg->upperShutterDelayLi;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
+
+ reg = MT9V111I_IPF_BLACK_LEVEL_SUB;
+ data = ifpReg->ipfBlackLevelSub;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ reg = MT9V111I_GAIN_THRE_CCAM_ADJ;
+ data = ifpReg->agimnThreCamAdj;
+ mt9v111_write_reg(sensorid,reg, data);
reg = MT9V111I_SHUTTER_60;
data = ifpReg->shutter_width_60;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
+
+ reg = MT9V111I_AUTO_EXPOSURE_17;
+ data = ifpReg->auto_exposure_17;
+ mt9v111_write_reg(sensorid,reg, data);
reg = MT9V111I_SEARCH_FLICK_60;
data = ifpReg->search_flicker_60;
- mt9v111_write_reg(reg, data);
-#endif
+ mt9v111_write_reg(sensorid,reg, data);
+
+ reg = MT9V111I_RESERVED93;
+ data = ifpReg->reserved93;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ reg = MT9V111I_RESERVED100;
+ data = ifpReg->reserved100;
+ mt9v111_write_reg(sensorid,reg, data);
/*
* setup to sensor core registers
*/
reg = MT9V111I_ADDR_SPACE_SEL;
data = coreReg->addressSelect;
- mt9v111_write_reg(reg, data);
-
- /* enable changes and put the Sync bit on */
- reg = MT9V111S_OUTPUT_CTRL;
- data = MT9V111S_OUTCTRL_SYNC | MT9V111S_OUTCTRL_CHIP_ENABLE | 0x3000;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
- /* min PIXCLK - Default */
- reg = MT9V111S_PIXEL_CLOCK_SPEED;
- data = coreReg->pixelClockSpeed;
- mt9v111_write_reg(reg, data);
+ /* Core R5=46, R7[4]=0 (DEFAULT) ,R33=58369*/
- /* Setup image flipping / Dark rows / row/column skip */
- reg = MT9V111S_READ_MODE;
- data = coreReg->readMode;
- mt9v111_write_reg(reg, data);
-
- /* zoom 0 */
- reg = MT9V111S_DIGITAL_ZOOM;
- data = coreReg->digitalZoom;
- mt9v111_write_reg(reg, data);
-
- /* min H-blank */
reg = MT9V111S_HOR_BLANKING;
data = coreReg->horizontalBlanking;
- mt9v111_write_reg(reg, data);
-
- /* min V-blank */
- reg = MT9V111S_VER_BLANKING;
- data = coreReg->verticalBlanking;
- mt9v111_write_reg(reg, data);
-
- reg = MT9V111S_SHUTTER_WIDTH;
- data = coreReg->shutterWidth;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
- reg = MT9V111S_SHUTTER_DELAY;
- data = ifpReg->upperShutterDelayLi;
- mt9v111_write_reg(reg, data);
-
- /* changes become effective */
- reg = MT9V111S_OUTPUT_CTRL;
- data = MT9V111S_OUTCTRL_CHIP_ENABLE | 0x3000;
- mt9v111_write_reg(reg, data);
+ reg = MT9V111S_RESERVED33;
+ data = coreReg->reserved33;
+ mt9v111_write_reg(sensorid,reg, data);
return error;
}
-/*!
- * MT9V111 frame rate calculate
- *
- * @param frame_rate int *
- * @param mclk int
- * @return None
- */
-static void mt9v111_rate_cal(int *frame_rate, int mclk)
+void mt9v111_config_datasheet(void)
{
- int num_clock_per_row;
- int max_rate = 0;
+ pr_debug("In mt9v111_config_datasheet\n");
- pr_debug("In mt9v111_rate_cal\n");
+ mt9v111_device.coreReg->addressSelect = MT9V111I_SEL_SCA;
- num_clock_per_row = (MT9V111_MAX_WIDTH + 114 + MT9V111_HORZBLANK_MIN)
- * 2;
- max_rate = mclk / (num_clock_per_row *
- (MT9V111_MAX_HEIGHT + MT9V111_VERTBLANK_DEFAULT));
+ /* MT9V111I_ADDR_SPACE_SEL */
+ mt9v111_device.ifpReg->addrSpaceSel = MT9V111I_SEL_IFP;
- if ((*frame_rate > max_rate) || (*frame_rate == 0)) {
- *frame_rate = max_rate;
- }
+ /* Recommended values for 30fps @ 27MHz from datasheet*/
- mt9v111_device.coreReg->verticalBlanking
- = mclk / (*frame_rate * num_clock_per_row) - MT9V111_MAX_HEIGHT;
+ /* Core R5=132, R6=10 , R7[4]=0 (DEFAULT) ,R33=58369*/
- reset_frame_rate = *frame_rate;
-}
+ mt9v111_device.coreReg->horizontalBlanking = 132;
+ mt9v111_device.coreReg->verticalBlanking = 10;
+ mt9v111_device.coreReg->reserved33 = 58369;
-/*!
- * MT9V111 sensor configuration
- */
-void mt9v111_config(void)
-{
- pr_debug("In mt9v111_config\n");
+ /* IFP R51(0x33)=5137,R57(0x39)=290,R59(0x3B)=1068,R62(0x3E)=4095,R89(0x59)=504,R90(0x5A)=605,R92(0x5C)=8222,R93(0x5D)=10021,R100(0x64)=4477 */
- mt9v111_device.coreReg->addressSelect = MT9V111I_SEL_SCA;
- mt9v111_device.ifpReg->addrSpaceSel = MT9V111I_SEL_IFP;
+ mt9v111_device.ifpReg->limitSharpSatuCtrl = 5137;
+ mt9v111_device.ifpReg->upperShutterDelayLi = 290;
+ mt9v111_device.ifpReg->ipfBlackLevelSub = 1068;
+ mt9v111_device.ifpReg->agimnThreCamAdj = 4095;
- mt9v111_device.coreReg->windowHeight = MT9V111_WINHEIGHT;
- mt9v111_device.coreReg->windowWidth = MT9V111_WINWIDTH;
- mt9v111_device.coreReg->zoomColStart = 0;
- mt9v111_device.coreReg->zomRowStart = 0;
- mt9v111_device.coreReg->digitalZoom = 0x0;
-
- mt9v111_device.coreReg->verticalBlanking = MT9V111_VERTBLANK_DEFAULT;
- mt9v111_device.coreReg->horizontalBlanking = MT9V111_HORZBLANK_MIN;
- mt9v111_device.coreReg->pixelClockSpeed = 0;
- mt9v111_device.coreReg->readMode = 0xd0a1;
-
- mt9v111_device.ifpReg->outputFormatCtrl2 = 0;
- mt9v111_device.ifpReg->gainLimitAE = 0x300;
- mt9v111_device.ifpReg->AESpeed = 0x80;
-
- /* here is the default value */
- mt9v111_device.ifpReg->formatControl = 0xc800;
- mt9v111_device.ifpReg->modeControl = 0x708e;
- mt9v111_device.ifpReg->awbSpeed = 0x4514;
- mt9v111_device.coreReg->shutterWidth = 0xf8;
-
- /* output size */
- mt9v111_device.ifpReg->HPan = 0;
- mt9v111_device.ifpReg->HZoom = MT9V111_MAX_WIDTH;
- mt9v111_device.ifpReg->HSize = MT9V111_MAX_WIDTH;
- mt9v111_device.ifpReg->VPan = 0;
- mt9v111_device.ifpReg->VZoom = MT9V111_MAX_HEIGHT;
- mt9v111_device.ifpReg->VSize = MT9V111_MAX_HEIGHT;
+ mt9v111_device.ifpReg->shutter_width_60 = 504;
+ mt9v111_device.ifpReg->auto_exposure_17 = 605;
+ mt9v111_device.ifpReg->search_flicker_60 = 8222;
+ mt9v111_device.ifpReg->reserved93 = 10021;
+ mt9v111_device.ifpReg->reserved100 = 4477;
}
+
/*!
* mt9v111 sensor set saturtionn
*
@@ -331,7 +263,7 @@ void mt9v111_config(void)
* @return Error code of 0.
*/
-static int mt9v111_set_saturation(int saturation)
+static int mt9v111_set_saturation(int sensorid , int saturation)
{
u8 reg;
u16 data;
@@ -357,6 +289,9 @@ static int mt9v111_set_saturation(int saturation)
case 25:
mt9v111_device.ifpReg->awbSpeed = 0x6514;
break;
+ case 0:
+ mt9v111_device.ifpReg->awbSpeed = 0x7514;
+ break;
default:
mt9v111_device.ifpReg->awbSpeed = 0x4514;
break;
@@ -364,12 +299,348 @@ static int mt9v111_set_saturation(int saturation)
reg = MT9V111I_ADDR_SPACE_SEL;
data = mt9v111_device.ifpReg->addrSpaceSel;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
/* Operation Mode Control */
reg = MT9V111I_AWB_SPEED;
data = mt9v111_device.ifpReg->awbSpeed;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
+
+ return 0;
+}
+
+#if 0
+/*!
+ * mt9v111 sensor set digital zoom
+ *
+ * @param on/off int
+
+ * @return 0 on success, -1 on error.
+ */
+static int mt9v111_set_digitalzoom(int sensorid , unsigned int on)
+{
+ u8 reg;
+ u16 data;
+ pr_debug("In mt9v111_set_digitalzoom(%d)\n",on);
+
+ if( on > 1 )
+ return -1;
+
+ mt9v111_device.coreReg->digitalZoom = on;
+
+ reg = MT9V111I_ADDR_SPACE_SEL;
+ data = mt9v111_device.coreReg->addressSelect;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ /* Operation Mode Control */
+ reg = MT9V111S_DIGITAL_ZOOM;
+ data = mt9v111_device.coreReg->digitalZoom;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ return 0;
+}
+
+/*!
+ * mt9v111 sensor set digital pan
+ *
+ * @param pan_level int
+
+ * @return 0 on success, -1 on error.
+ */
+static int mt9v111_set_digitalpan (int sensorid , int pan_level)
+{
+ u8 reg;
+ u16 data;
+ pr_debug("In mt9v111_set_digitalpan(%d)\n",
+ pan_level);
+
+ mt9v111_device.ifpReg->HPan = 8;
+ if (pan_level & 0xFFFF0000) {
+ pan_level = (0xFFFFFFFF - pan_level);
+ pan_level = pan_level / 0x14;
+ mt9v111_device.ifpReg->HPan =
+ mt9v111_device.ifpReg->HPan - (pan_level & 0x3FF);
+ } else {
+ pan_level = pan_level / 0x14;
+ mt9v111_device.ifpReg->HPan =
+ mt9v111_device.ifpReg->HPan + (pan_level - 1);
+ }
+
+ reg = MT9V111I_ADDR_SPACE_SEL;
+ data = mt9v111_device.ifpReg->addrSpaceSel;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ /* Operation Mode Control */
+ reg = MT9V111i_H_PAN;
+ data = mt9v111_device.ifpReg->HPan;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ return 0;
+}
+
+/*!
+ * mt9v111 sensor set digital tilt
+ *
+ * @param tilt_level int
+
+ * @return 0 on success, -1 on error.
+ */
+static int mt9v111_set_digitaltilt (int sensorid , int tilt_level)
+{
+ u8 reg;
+ u16 data;
+ pr_debug("In mt9v111_set_digitaltilt(%d)\n",
+ tilt_level);
+
+ mt9v111_device.ifpReg->VPan = 8;
+ if( tilt_level & 0xFFFF0000 ) {
+ tilt_level = (0xFFFFFFFF - tilt_level);
+ tilt_level = tilt_level / 0x14;
+ mt9v111_device.ifpReg->VPan = mt9v111_device.ifpReg->VPan - (tilt_level & 0x3FF);
+ }
+ else {
+ tilt_level = tilt_level / 0x14;
+ mt9v111_device.ifpReg->VPan = mt9v111_device.ifpReg->VPan + (tilt_level - 1);
+ }
+
+ reg = MT9V111I_ADDR_SPACE_SEL;
+ data = mt9v111_device.ifpReg->addrSpaceSel;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ /* Operation Mode Control */
+ reg = MT9V111i_V_PAN;
+ data = mt9v111_device.ifpReg->VPan;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ return 0;
+}
+
+/*!
+ * mt9v111 sensor set output resolution
+ *
+ * @param resolution res
+
+ * @return 0 on success, -1 on error.
+ */
+static int mt9v111_set_outputresolution(int sensorid , MT9V111_OutputResolution res)
+{
+ u8 reg;
+ u16 data;
+ int zoom = 0;
+
+ pr_debug("In mt9v111_set_outputresolution(%d)\n",res);
+
+ switch (res) {
+ case MT9V111_OutputResolution_VGA:
+ /* 640x480 */
+ mt9v111_device.ifpReg->HSize = 0x0280;
+ mt9v111_device.ifpReg->VSize = 0x01E0;
+ break;
+
+ case MT9V111_OutputResolution_QVGA:
+ /* 320x240 */
+ mt9v111_device.ifpReg->HSize = 0x0140;
+ mt9v111_device.ifpReg->VSize = 0x00F0;
+ break;
+
+ case MT9V111_OutputResolution_CIF:
+ /* 352x288 */
+ mt9v111_device.ifpReg->HSize = 0x0160;
+ mt9v111_device.ifpReg->VSize = 0x0120;
+ mt9v111_device.ifpReg->HZoom = 0x0160;
+ mt9v111_device.ifpReg->VZoom = 0x0120;
+ zoom = 1;
+ break;
+
+ case MT9V111_OutputResolution_QCIF:
+ /* 176X220 */
+ mt9v111_device.ifpReg->HSize = 0x00B0;
+ mt9v111_device.ifpReg->VSize = 0x0090;
+ mt9v111_device.ifpReg->HZoom = 0x00B0;
+ mt9v111_device.ifpReg->VZoom = 0x0090;
+ zoom = 1;
+ break;
+
+ case MT9V111_OutputResolution_QQVGA:
+ /* 2048*1536 */
+ mt9v111_device.ifpReg->HSize = 0x00A0;
+ mt9v111_device.ifpReg->VSize = 0x0078;
+ mt9v111_device.ifpReg->HZoom = 0x00A0;
+ mt9v111_device.ifpReg->VZoom = 0x0078;
+ zoom = 1;
+ break;
+
+ case MT9V111_OutputResolution_SXGA:
+ /* 1280x1024 */
+ break;
+
+ default:
+ break;
+ }
+
+ reg = MT9V111I_ADDR_SPACE_SEL;
+ data = mt9v111_device.ifpReg->addrSpaceSel;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ reg = MT9V111i_V_SIZE;
+ data = mt9v111_device.ifpReg->VSize;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ reg = MT9V111i_H_SIZE;
+ data = mt9v111_device.ifpReg->HSize;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ if ( zoom ) {
+ reg = MT9V111i_V_ZOOM;
+ data = mt9v111_device.ifpReg->VZoom;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ reg = MT9V111i_H_ZOOM;
+ data = mt9v111_device.ifpReg->HZoom;
+ mt9v111_write_reg(sensorid,reg, data);
+ }
+
+ return 0;
+}
+
+/*!
+ * mt9v111 sensor set digital flash
+ *
+ * @param flash_level int
+
+ * @return 0 on success, -1 on error.
+ */
+static int mt9v111_set_digitalflash (int sensorid , int flash_level)
+{
+ u8 reg;
+ u16 data = mt9v111_read_reg(sensorid,MT9V111i_FLASH_CTRL);
+ pr_debug("In mt9v111_set_digitalflash(%d)\n",
+ flash_level);
+
+ if(flash_level) {
+ data &= (0xFF00);
+ data |= ((flash_level & 0x00FF) | (1<<13));
+ }
+ else {
+ data &= ~(1<<13);
+ }
+
+ reg = MT9V111I_ADDR_SPACE_SEL;
+ data = mt9v111_device.ifpReg->addrSpaceSel;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ /* Operation Mode Control */
+ reg = MT9V111i_FLASH_CTRL;
+ mt9v111_device.ifpReg->flashCtrl = data;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ return 0;
+}
+
+/*!
+ * mt9v111 sensor set digital monochrome
+ *
+ * @param on int
+
+ * @return 0 on success, -1 on error.
+ */
+static int mt9v111_set_digitalmonochrome (int sensorid , int on)
+{
+ u8 reg;
+ u16 data = mt9v111_read_reg(sensorid,MT9V111I_FORMAT_CONTROL);
+ pr_debug("In mt9v111_set_digitalmonochrome(%d)\n",
+ on);
+
+ /* clear the monochrome bit field */
+ data &= ~(1<<5);
+
+ /* enable or disable monochrome mode */
+ if( on )
+ data |= (0<<5);
+ else
+ data |= (1<<5);
+
+ reg = MT9V111I_ADDR_SPACE_SEL;
+ data = mt9v111_device.ifpReg->addrSpaceSel;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ /* Operation Mode Control */
+ reg = MT9V111I_FORMAT_CONTROL;
+ mt9v111_device.ifpReg->formatControl = data;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ return 0;
+}
+#endif
+
+/*!
+ * mt9v111 sensor set digital sharpness
+ *
+ * @param value int
+
+ * @return 0 on success, -1 on error.
+ */
+static int mt9v111_set_digitalsharpness (int sensorid , int value)
+{
+ u8 reg;
+ u16 data ;
+
+ pr_debug("In mt9v111_set_digitalsharpness(%d)\n",value);
+
+ reg = MT9V111I_ADDR_SPACE_SEL;
+ data = mt9v111_device.ifpReg->addrSpaceSel;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ data = mt9v111_read_reg(sensorid,MT9V111I_APERTURE_GAIN);
+
+ /* erase current and remove auto reduce sharpness in low light */
+ data &= ~(0x000F);
+ data |= (value & (0x000F));
+ if( data > (0x000F) )
+ return -1;
+
+ /* Operation Mode Control */
+ reg = MT9V111I_APERTURE_GAIN;
+ mt9v111_device.ifpReg->apertureGain = data;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ return 0;
+}
+
+/*!
+ * mt9v111 sensor set digital brightness
+ *
+ * @param value int
+
+ * @return 0 on success, -1 on error.
+ */
+static int mt9v111_set_digitalbrightness (int sensorid , int value)
+{
+ u8 reg;
+ u16 data;
+ u32 max_brightness, min_brightness;
+
+ data = mt9v111_read_reg(sensorid,MT9V111I_CLIP_LIMIT_OUTPUT_LUMI);
+ max_brightness = data >> 8;
+ min_brightness = (u8)data;
+
+ if( value > max_brightness )
+ value = max_brightness;
+ else if( value < min_brightness )
+ value = min_brightness;
+
+ reg = MT9V111I_ADDR_SPACE_SEL;
+ data = mt9v111_device.ifpReg->addrSpaceSel;
+ mt9v111_write_reg(sensorid,reg, data);
+
+ data = mt9v111_read_reg(sensorid,MT9V111I_AE_PRECISION_TARGET);
+ data &= 0xFF00; /* Clear target luminance */
+ data |= ((u8)value );
+
+ /* Operation Mode Control */
+ reg = MT9V111I_AE_PRECISION_TARGET;
+ mt9v111_device.ifpReg->AEPrecisionTarget = data;
+ mt9v111_write_reg(sensorid,reg, data);
return 0;
}
@@ -380,7 +651,7 @@ static int mt9v111_set_saturation(int saturation)
* @param ae_mode int
* @return Error code of 0 (no Error)
*/
-static int mt9v111_set_ae_mode(int ae_mode)
+static int mt9v111_set_ae_mode(int sensorid , int ae_mode)
{
u8 reg;
u16 data;
@@ -408,19 +679,20 @@ static int mt9v111_set_ae_mode(int ae_mode)
/* V4L2_EXPOSURE_MANUAL = 1 needs register setting of 0x308E */
mt9v111_device.ifpReg->modeControl &= 0x3fff;
mt9v111_device.ifpReg->modeControl |= (ae_mode & 0x03) << 14;
- mt9v111_data.ae_mode = ae_mode;
+ mt9v111_data[sensorid].ae_mode = ae_mode;
reg = MT9V111I_ADDR_SPACE_SEL;
data = mt9v111_device.ifpReg->addrSpaceSel;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
reg = MT9V111I_MODE_CONTROL;
data = mt9v111_device.ifpReg->modeControl;
- mt9v111_write_reg(reg, data);
+ mt9v111_write_reg(sensorid,reg, data);
return 0;
}
+#if 0
/*!
* mt9v111 sensor get AE measurement window mode configuration
*
@@ -435,6 +707,7 @@ static void mt9v111_get_ae_mode(int *ae_mode)
*ae_mode = (mt9v111_device.ifpReg->modeControl & 0xc) >> 2;
}
}
+#endif
#ifdef MT9V111_DEBUG
/*!
@@ -442,33 +715,33 @@ static void mt9v111_get_ae_mode(int *ae_mode)
*
* @return none
*/
-static void mt9v111_test_pattern(bool flag)
+static void mt9v111_test_pattern(int sensorid , bool flag)
{
u16 data;
/* switch to sensor registers */
- mt9v111_write_reg(MT9V111I_ADDR_SPACE_SEL, MT9V111I_SEL_SCA);
+ mt9v111_write_reg(sensorid,MT9V111I_ADDR_SPACE_SEL, MT9V111I_SEL_SCA);
if (flag == true) {
testpattern = MT9V111S_OUTCTRL_TEST_MODE;
- data = mt9v111_read_reg(MT9V111S_ROW_NOISE_CTRL) & 0xBF;
- mt9v111_write_reg(MT9V111S_ROW_NOISE_CTRL, data);
+ data = mt9v111_read_reg(sensorid,MT9V111S_ROW_NOISE_CTRL) & 0xBF;
+ mt9v111_write_reg(sensorid,MT9V111S_ROW_NOISE_CTRL, data);
- mt9v111_write_reg(MT9V111S_TEST_DATA, 0);
+ mt9v111_write_reg(sensorid,MT9V111S_TEST_DATA, 0);
/* changes take effect */
data = MT9V111S_OUTCTRL_CHIP_ENABLE | testpattern | 0x3000;
- mt9v111_write_reg(MT9V111S_OUTPUT_CTRL, data);
+ mt9v111_write_reg(sensorid,MT9V111S_OUTPUT_CTRL, data);
} else {
testpattern = 0;
- data = mt9v111_read_reg(MT9V111S_ROW_NOISE_CTRL) | 0x40;
+ data = mt9v111_read_reg(sensorid,MT9V111S_ROW_NOISE_CTRL) | 0x40;
mt9v111_write_reg(MT9V111S_ROW_NOISE_CTRL, data);
/* changes take effect */
data = MT9V111S_OUTCTRL_CHIP_ENABLE | testpattern | 0x3000;
- mt9v111_write_reg(MT9V111S_OUTPUT_CTRL, data);
+ mt9v111_write_reg(sensorid,MT9V111S_OUTPUT_CTRL, data);
}
}
#endif
@@ -507,6 +780,7 @@ static int ioctl_g_ifparm(struct v4l2_int_device *s, struct v4l2_ifparm *p)
p->u.bt656.clock_curr = MT9V111_MCLK;
p->if_type = V4L2_IF_TYPE_BT656;
p->u.bt656.mode = V4L2_IF_TYPE_BT656_MODE_NOBT_8BIT;
+ p->u.bt656.bt_sync_correct = 1; // translates to CSI ext vsync
p->u.bt656.clock_min = MT9V111_CLK_MIN;
p->u.bt656.clock_max = MT9V111_CLK_MAX;
@@ -534,10 +808,12 @@ static int ioctl_s_power(struct v4l2_int_device *s, int on)
sensor->on = on;
- if (on)
- gpio_sensor_active();
- else
- gpio_sensor_inactive();
+ if(on) {
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, 0 /* cam->csi */, true, true);
+ }
+ else {
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, 0 /* cam->csi */, false, false);
+ }
return 0;
}
@@ -554,19 +830,23 @@ static int ioctl_g_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a)
int ret = 0;
struct v4l2_captureparm *cparm = &a->parm.capture;
/* s->priv points to mt9v111_data */
+ int sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
pr_debug("In mt9v111:ioctl_g_parm\n");
+ if( sensorid < 0 )
+ return ret;
+
switch (a->type) {
/* This is the only case currently handled. */
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
pr_debug(" type is V4L2_BUF_TYPE_VIDEO_CAPTURE\n");
memset(a, 0, sizeof(*a));
a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- cparm->capability = mt9v111_data.streamcap.capability;
+ cparm->capability = mt9v111_data[sensorid].streamcap.capability;
cparm->timeperframe =
- mt9v111_data.streamcap.timeperframe;
- cparm->capturemode = mt9v111_data.streamcap.capturemode;
+ mt9v111_data[sensorid].streamcap.timeperframe;
+ cparm->capturemode = mt9v111_data[sensorid].streamcap.capturemode;
ret = 0;
break;
@@ -605,9 +885,13 @@ static int ioctl_s_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a)
int ret = 0;
struct v4l2_captureparm *cparm = &a->parm.capture;
/* s->priv points to mt9v111_data */
+ int sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
pr_debug("In mt9v111:ioctl_s_parm\n");
+ if( sensorid < 0 )
+ return ret;
+
switch (a->type) {
/* This is the only case currently handled. */
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
@@ -617,13 +901,13 @@ static int ioctl_s_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a)
* Changing the frame rate is not allowed on this
*camera. */
if (cparm->timeperframe.denominator !=
- mt9v111_data.streamcap.timeperframe.denominator) {
+ mt9v111_data[sensorid].streamcap.timeperframe.denominator) {
pr_err("ERROR: mt9v111: ioctl_s_parm: " \
"This camera does not allow frame rate "
"changes.\n");
ret = -EINVAL;
} else {
- mt9v111_data.streamcap.timeperframe =
+ mt9v111_data[sensorid].streamcap.timeperframe =
cparm->timeperframe;
/* Call any camera functions to match settings. */
}
@@ -635,7 +919,7 @@ static int ioctl_s_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a)
"unsupported capture mode\n");
ret = -EINVAL;
} else {
- mt9v111_data.streamcap.capturemode =
+ mt9v111_data[sensorid].streamcap.capturemode =
cparm->capturemode;
/* Call any camera functions to match settings. */
/* Right now this camera only supports 1 mode. */
@@ -685,6 +969,7 @@ static int ioctl_g_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f)
return 0;
}
+#if 0
/*!
* ioctl_queryctrl - V4L2 sensor interface handler for VIDIOC_QUERYCTRL ioctl
* @s: pointer to standard V4L2 device structure
@@ -700,6 +985,7 @@ static int ioctl_queryctrl(struct v4l2_int_device *s, struct v4l2_queryctrl *qc)
return 0;
}
+#endif
/*!
* ioctl_g_ctrl - V4L2 sensor interface handler for VIDIOC_G_CTRL ioctl
@@ -712,66 +998,29 @@ static int ioctl_queryctrl(struct v4l2_int_device *s, struct v4l2_queryctrl *qc)
*/
static int ioctl_g_ctrl(struct v4l2_int_device *s, struct v4l2_control *vc)
{
+ int sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
+
pr_debug("In mt9v111:ioctl_g_ctrl\n");
+ if( sensorid < 0 )
+ return 0;
+
switch (vc->id) {
case V4L2_CID_BRIGHTNESS:
pr_debug(" V4L2_CID_BRIGHTNESS\n");
- vc->value = mt9v111_data.brightness;
- break;
- case V4L2_CID_CONTRAST:
- pr_debug(" V4L2_CID_CONTRAST\n");
- vc->value = mt9v111_data.contrast;
+ vc->value = mt9v111_data[sensorid].brightness;
break;
case V4L2_CID_SATURATION:
pr_debug(" V4L2_CID_SATURATION\n");
- vc->value = mt9v111_data.saturation;
- break;
- case V4L2_CID_HUE:
- pr_debug(" V4L2_CID_HUE\n");
- vc->value = mt9v111_data.hue;
- break;
- case V4L2_CID_AUTO_WHITE_BALANCE:
- pr_debug(
- " V4L2_CID_AUTO_WHITE_BALANCE\n");
- vc->value = 0;
- break;
- case V4L2_CID_DO_WHITE_BALANCE:
- pr_debug(
- " V4L2_CID_DO_WHITE_BALANCE\n");
- vc->value = 0;
- break;
- case V4L2_CID_RED_BALANCE:
- pr_debug(" V4L2_CID_RED_BALANCE\n");
- vc->value = mt9v111_data.red;
- break;
- case V4L2_CID_BLUE_BALANCE:
- pr_debug(" V4L2_CID_BLUE_BALANCE\n");
- vc->value = mt9v111_data.blue;
- break;
- case V4L2_CID_GAMMA:
- pr_debug(" V4L2_CID_GAMMA\n");
- vc->value = 0;
+ vc->value = mt9v111_data[sensorid].saturation;
break;
case V4L2_CID_EXPOSURE:
pr_debug(" V4L2_CID_EXPOSURE\n");
- vc->value = mt9v111_data.ae_mode;
- break;
- case V4L2_CID_AUTOGAIN:
- pr_debug(" V4L2_CID_AUTOGAIN\n");
- vc->value = 0;
+ vc->value = mt9v111_data[sensorid].ae_mode;
break;
case V4L2_CID_GAIN:
pr_debug(" V4L2_CID_GAIN\n");
- vc->value = 0;
- break;
- case V4L2_CID_HFLIP:
- pr_debug(" V4L2_CID_HFLIP\n");
- vc->value = 0;
- break;
- case V4L2_CID_VFLIP:
- pr_debug(" V4L2_CID_VFLIP\n");
- vc->value = 0;
+ vc->value = mt9v111_data[sensorid].gain;
break;
default:
pr_debug(" Default case\n");
@@ -794,56 +1043,34 @@ static int ioctl_g_ctrl(struct v4l2_int_device *s, struct v4l2_control *vc)
static int ioctl_s_ctrl(struct v4l2_int_device *s, struct v4l2_control *vc)
{
int retval = 0;
+ int sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
pr_debug("In mt9v111:ioctl_s_ctrl %d\n",
vc->id);
+ if( sensorid < 0 )
+ return retval;
+
switch (vc->id) {
case V4L2_CID_BRIGHTNESS:
pr_debug(" V4L2_CID_BRIGHTNESS\n");
- break;
- case V4L2_CID_CONTRAST:
- pr_debug(" V4L2_CID_CONTRAST\n");
+ mt9v111_set_digitalbrightness(sensorid,vc->value);
+ mt9v111_data[sensorid].brightness = vc->value;
break;
case V4L2_CID_SATURATION:
pr_debug(" V4L2_CID_SATURATION\n");
- retval = mt9v111_set_saturation(vc->value);
- break;
- case V4L2_CID_HUE:
- pr_debug(" V4L2_CID_HUE\n");
- break;
- case V4L2_CID_AUTO_WHITE_BALANCE:
- pr_debug(
- " V4L2_CID_AUTO_WHITE_BALANCE\n");
- break;
- case V4L2_CID_DO_WHITE_BALANCE:
- pr_debug(
- " V4L2_CID_DO_WHITE_BALANCE\n");
- break;
- case V4L2_CID_RED_BALANCE:
- pr_debug(" V4L2_CID_RED_BALANCE\n");
- break;
- case V4L2_CID_BLUE_BALANCE:
- pr_debug(" V4L2_CID_BLUE_BALANCE\n");
- break;
- case V4L2_CID_GAMMA:
- pr_debug(" V4L2_CID_GAMMA\n");
+ retval = mt9v111_set_saturation(sensorid,vc->value);
+ mt9v111_data[sensorid].saturation = vc->value;
break;
case V4L2_CID_EXPOSURE:
pr_debug(" V4L2_CID_EXPOSURE\n");
- retval = mt9v111_set_ae_mode(vc->value);
- break;
- case V4L2_CID_AUTOGAIN:
- pr_debug(" V4L2_CID_AUTOGAIN\n");
+ retval = mt9v111_set_ae_mode(sensorid,vc->value);
+ mt9v111_data[sensorid].ae_mode = vc->value;
break;
case V4L2_CID_GAIN:
pr_debug(" V4L2_CID_GAIN\n");
- break;
- case V4L2_CID_HFLIP:
- pr_debug(" V4L2_CID_HFLIP\n");
- break;
- case V4L2_CID_VFLIP:
- pr_debug(" V4L2_CID_VFLIP\n");
+ mt9v111_set_digitalsharpness(sensorid,vc->value);
+ mt9v111_data[sensorid].gain = vc->value;
break;
default:
pr_debug(" Default case\n");
@@ -854,13 +1081,41 @@ static int ioctl_s_ctrl(struct v4l2_int_device *s, struct v4l2_control *vc)
return retval;
}
+static void mt9v111_ifp_reset ( int sensorid )
+{
+ mt9v111_write_reg(sensorid,MT9V111S_ADDR_SPACE_SEL, 0x0001);
+ mt9v111_write_reg(sensorid,MT9V111I_SOFT_RESET, 0x0001);
+ msleep(100);
+ mt9v111_write_reg(sensorid,MT9V111I_SOFT_RESET, 0x0000);
+ msleep(100);
+}
+
+static void mt9v111_sensor_reset ( int sensorid )
+{
+ mt9v111_write_reg(sensorid,MT9V111S_ADDR_SPACE_SEL, 0x0004);
+ mt9v111_write_reg(sensorid,MT9V111S_RESET, 0x0001);
+ msleep(100);
+ mt9v111_write_reg(sensorid,MT9V111S_RESET, 0x0000);
+ msleep(100);
+}
+
/*!
* ioctl_init - V4L2 sensor interface handler for VIDIOC_INT_INIT
* @s: pointer to standard V4L2 device structure
*/
static int ioctl_init(struct v4l2_int_device *s)
{
- pr_debug("In mt9v111:ioctl_init\n");
+ int sensorid = 0;
+
+ sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
+ if( sensorid < 0 )
+ return 0;
+
+ pr_debug("In mt9v111:ioctl_init for sensor %d\n",sensorid);
+
+ mt9v111_sensor_reset(sensorid);
+ mt9v111_ifp_reset(sensorid);
+ mt9v111_sensor_lib_datasheet(sensorid,mt9v111_device.coreReg, mt9v111_device.ifpReg);
return 0;
}
@@ -873,19 +1128,146 @@ static int ioctl_init(struct v4l2_int_device *s)
*/
static int ioctl_dev_init(struct v4l2_int_device *s)
{
+ int sensorid = 0;
uint32_t clock_rate = MT9V111_MCLK;
+ sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
+ if( sensorid < 0 )
+ return 0;
+
pr_debug("In mt9v111:ioctl_dev_init\n");
- gpio_sensor_active();
+ set_mclk_rate(&clock_rate, 0); // Both sensors use mclk0 on Digi ccwmx51
+
+ mt9v111_sensor_reset(sensorid);
+ mt9v111_ifp_reset(sensorid);
+ mt9v111_sensor_lib_datasheet(sensorid,mt9v111_device.coreReg, mt9v111_device.ifpReg);
- set_mclk_rate(&clock_rate);
- mt9v111_rate_cal(&reset_frame_rate, clock_rate);
- mt9v111_sensor_lib(mt9v111_device.coreReg, mt9v111_device.ifpReg);
+ return 0;
+}
+
+/* list of image formats supported by sensor */
+static const struct v4l2_fmtdesc mt9v111_formats[] = {
+ {
+ .description = "RGB565",
+ .pixelformat = V4L2_PIX_FMT_RGB565,
+ },
+ {
+ .description = "YUV422 UYVY",
+ .pixelformat = V4L2_PIX_FMT_UYVY,
+ },
+};
+
+#define MT9V111_NUM_CAPTURE_FORMATS ARRAY_SIZE(mt9v111_formats)
+
+static int ioctl_enum_fmt_cap(struct v4l2_int_device *s,
+ struct v4l2_fmtdesc *fmt)
+{
+ int index = fmt->index;
+
+ switch (fmt->type) {
+ case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ if (index >= MT9V111_NUM_CAPTURE_FORMATS)
+ return -EINVAL;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ fmt->flags = mt9v111_formats[index].flags;
+ strlcpy(fmt->description, mt9v111_formats[index].description,
+ sizeof(fmt->description));
+ fmt->pixelformat = mt9v111_formats[index].pixelformat;
return 0;
}
+static int ioctl_s_fmt_cap(struct v4l2_int_device *s,
+ struct v4l2_format *f)
+{
+ unsigned short reg;
+ int sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
+ struct sensor *sensor = s->priv;
+ /* s->priv points to mt9v111_data */
+
+ if( sensorid < 0 )
+ return -ENODEV;
+
+ /* Select IFP registers */
+ mt9v111_write_reg (sensorid,MT9V111S_ADDR_SPACE_SEL, 0x0001);
+
+ switch (f->fmt.pix.pixelformat) {
+ case V4L2_PIX_FMT_RGB565:
+ /*MT9V111I_OUTPUT_FORMAT_CTRL2*/
+ reg = mt9v111_read_reg (sensorid,MT9V111I_OUTPUT_FORMAT_CTRL2);
+ reg &= ~(0x3 << 6);
+ mt9v111_write_reg (sensorid,MT9V111I_OUTPUT_FORMAT_CTRL2, reg);
+
+ /* MT9V111I_FORMAT_CONTROL */
+ reg = mt9v111_read_reg(sensorid,MT9V111I_FORMAT_CONTROL);
+ reg |= 1 << 12;
+ mt9v111_write_reg(sensorid,MT9V111I_FORMAT_CONTROL, reg);
+ break;
+
+ case V4L2_PIX_FMT_YUV444:
+ case V4L2_PIX_FMT_UYVY:
+ case V4L2_PIX_FMT_YVU420:
+ case V4L2_PIX_FMT_YUYV:
+ /* MT9V111I_FORMAT_CONTROL */
+ reg = mt9v111_read_reg(sensorid,MT9V111I_FORMAT_CONTROL);
+ reg &= ~(1 << 12);
+ mt9v111_write_reg(sensorid,MT9V111I_FORMAT_CONTROL, reg);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ sensor->pix.width = f->fmt.pix.width;
+ sensor->pix.height = f->fmt.pix.height;
+ sensor->pix.sizeimage = f->fmt.pix.sizeimage;
+ sensor->pix.pixelformat = f->fmt.pix.pixelformat;
+ return 0;
+}
+
+static int ioctl_try_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f)
+{
+ int i;
+
+ if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ for( i=0 ; i < MT9V111_NUM_CAPTURE_FORMATS ; i++) {
+ if( f->fmt.pix.pixelformat == mt9v111_formats[i].pixelformat )
+ return 0;
+ }
+
+ return -EINVAL;
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+static int ioctl_get_register(struct v4l2_int_device *s,struct v4l2_dbg_register * dreg)
+{
+ int sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
+
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, 0 /* cam->csi */ , true, true);
+ dreg->val = mt9v111_read_reg (sensorid,dreg->reg);
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, 0 /* cam->csi */ , false, false);
+ return 0;
+}
+
+static int ioctl_set_register(struct v4l2_int_device *s,struct v4l2_dbg_register * dreg)
+{
+ int sensorid = mt9v111_id_from_name(((struct sensor *)s->priv)->v4l2_int_device->name);
+
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, 0 /* cam->csi */ , true, true);
+ mt9v111_write_reg (sensorid,dreg->reg, dreg->val);
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, 0 /* cam->csi */ , false, false);
+ return 0;
+}
+#endif
+
/*!
* This structure defines all the ioctls for this module and links them to the
* enumeration.
@@ -910,16 +1292,23 @@ static struct v4l2_int_ioctl_desc mt9v111_ioctl_desc[] = {
/*!
* VIDIOC_ENUM_FMT ioctl for the CAPTURE buffer type.
*/
-/* {vidioc_int_enum_fmt_cap_num,
- (v4l2_int_ioctl_func *) ioctl_enum_fmt_cap}, */
+ {vidioc_int_enum_fmt_cap_num,
+ (v4l2_int_ioctl_func *) ioctl_enum_fmt_cap},
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ {vidioc_int_g_register_num,
+ (v4l2_int_ioctl_func *) ioctl_get_register},
+ {vidioc_int_s_register_num,
+ (v4l2_int_ioctl_func *) ioctl_set_register},
+#endif
/*!
* VIDIOC_TRY_FMT ioctl for the CAPTURE buffer type.
* This ioctl is used to negotiate the image capture size and
* pixel format without actually making it take effect.
*/
-/* {vidioc_int_try_fmt_cap_num,
- (v4l2_int_ioctl_func *) ioctl_try_fmt_cap}, */
+ {vidioc_int_try_fmt_cap_num,
+ (v4l2_int_ioctl_func *) ioctl_try_fmt_cap},
{vidioc_int_g_fmt_cap_num, (v4l2_int_ioctl_func *) ioctl_g_fmt_cap},
@@ -928,7 +1317,7 @@ static struct v4l2_int_ioctl_desc mt9v111_ioctl_desc[] = {
* format, returns error code if format not supported or HW can't be
* correctly configured.
*/
-/* {vidioc_int_s_fmt_cap_num, (v4l2_int_ioctl_func *)ioctl_s_fmt_cap}, */
+ {vidioc_int_s_fmt_cap_num, (v4l2_int_ioctl_func *)ioctl_s_fmt_cap},
{vidioc_int_g_parm_num, (v4l2_int_ioctl_func *) ioctl_g_parm},
{vidioc_int_s_parm_num, (v4l2_int_ioctl_func *) ioctl_s_parm},
@@ -937,20 +1326,56 @@ static struct v4l2_int_ioctl_desc mt9v111_ioctl_desc[] = {
{vidioc_int_s_ctrl_num, (v4l2_int_ioctl_func *) ioctl_s_ctrl},
};
-static struct v4l2_int_slave mt9v111_slave = {
- .ioctls = mt9v111_ioctl_desc,
- .num_ioctls = ARRAY_SIZE(mt9v111_ioctl_desc),
+static struct v4l2_int_slave mt9v111_slave[] = {
+ {
+ .ioctls = mt9v111_ioctl_desc,
+ .num_ioctls = ARRAY_SIZE(mt9v111_ioctl_desc),
+ .attach_to = "mxc_v4l2_cap_1",
+ },
+ {
+ .ioctls = mt9v111_ioctl_desc,
+ .num_ioctls = ARRAY_SIZE(mt9v111_ioctl_desc),
+ .attach_to = "mxc_v4l2_cap_2",
+ },
};
-static struct v4l2_int_device mt9v111_int_device = {
- .module = THIS_MODULE,
- .name = "mt9v111",
- .type = v4l2_int_type_slave,
- .u = {
- .slave = &mt9v111_slave,
+static struct v4l2_int_device mt9v111_int_device [] = {
+ {
+ .module = THIS_MODULE,
+ .type = v4l2_int_type_slave,
+ .u = {
+ .slave = &mt9v111_slave[0],
+ },
+ },
+ {
+ .module = THIS_MODULE,
+ .type = v4l2_int_type_slave,
+ .u = {
+ .slave = &mt9v111_slave[1],
+ },
},
};
+static int mt9v111_read_id( int sensoridx )
+{
+ int sensorid = 0;
+ int ret = 0;
+
+ mt9v111_write_reg (sensoridx,MT9V111S_ADDR_SPACE_SEL, 0x0004);
+
+ sensorid = mt9v111_read_reg (sensoridx,MT9V111S_CHIP_VERSION);
+ if( sensorid == 0x823a )
+ {
+ printk(KERN_INFO" MT9V111 ID %x\n",sensorid);
+ }
+ else
+ {
+ printk(KERN_ERR" MT9V111 Could not detect sensor (read %x)\n",sensorid);
+ ret = -ENODEV;
+ }
+ return ret;
+}
+
/*!
* mt9v111 I2C probe function
* Function set in i2c_driver struct.
@@ -962,32 +1387,56 @@ static int mt9v111_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
int retval;
+ int sensorid;
pr_debug("In mt9v111_probe device id is %s\n", id->name);
+ sensorid = mt9v111_id_from_name(id->name);
+
+ if( sensorid < 0 )
+ return -ENODEV;
+
/* Set initial values for the sensor struct. */
- memset(&mt9v111_data, 0, sizeof(mt9v111_data));
- mt9v111_data.i2c_client = client;
+ memset(&mt9v111_data[sensorid], 0, sizeof(struct sensor));
+ mt9v111_data[sensorid].i2c_client = client;
pr_debug(" client name is %s\n", client->name);
- mt9v111_data.pix.pixelformat = V4L2_PIX_FMT_UYVY;
- mt9v111_data.pix.width = MT9V111_MAX_WIDTH;
- mt9v111_data.pix.height = MT9V111_MAX_HEIGHT;
- mt9v111_data.streamcap.capability = 0; /* No higher resolution or frame
- * frame rate changes supported.
- */
- mt9v111_data.streamcap.timeperframe.denominator = MT9V111_FRAME_RATE;
- mt9v111_data.streamcap.timeperframe.numerator = 1;
+ mt9v111_data[sensorid].pix.pixelformat = V4L2_PIX_FMT_UYVY;
+ mt9v111_data[sensorid].pix.width = MT9V111_MAX_WIDTH;
+ mt9v111_data[sensorid].pix.height = MT9V111_MAX_HEIGHT;
+ mt9v111_data[sensorid].streamcap.capability = 0; /* No higher resolution or frame
+ * frame rate changes supported.*/
+ mt9v111_data[sensorid].streamcap.timeperframe.denominator = MT9V111_FRAME_RATE;
+ mt9v111_data[sensorid].streamcap.timeperframe.numerator = 1;
+
+ strcpy(mt9v111_int_device[sensorid].name,id->name);
+ pr_debug(" video device name is %s\n", mt9v111_data[sensorid].v4l2_int_device->name);
+ mt9v111_data[sensorid].v4l2_int_device = &mt9v111_int_device[sensorid];
+ mt9v111_int_device[sensorid].priv = &mt9v111_data[sensorid];
+
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, sensorid , true, true);
+
+ if( mt9v111_read_id(sensorid) != 0) {
+ printk(KERN_ERR"mt9v111_probe: No sensor found\n");
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, sensorid , false, false);
+ return -ENXIO;
+ }
- mt9v111_int_device.priv = &mt9v111_data;
+#ifdef MT9V111_DEBUG
+ mt9v111_test_pattern(1);
+#endif
+
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, sensorid , false, false);
pr_debug(" type is %d (expect %d)\n",
- mt9v111_int_device.type, v4l2_int_type_slave);
+ mt9v111_int_device[sensorid].type, v4l2_int_type_slave);
pr_debug(" num ioctls is %d\n",
- mt9v111_int_device.u.slave->num_ioctls);
+ mt9v111_int_device[sensorid].u.slave->num_ioctls);
/* This function attaches this structure to the /dev/video0 device.
* The pointer in priv points to the mt9v111_data structure here.*/
- retval = v4l2_int_device_register(&mt9v111_int_device);
+ retval = v4l2_int_device_register(&mt9v111_int_device[sensorid]);
+ if( retval == 0 )
+ mt9v111_data[sensorid].used = 1;
return retval;
}
@@ -998,9 +1447,14 @@ static int mt9v111_probe(struct i2c_client *client,
*/
static int mt9v111_remove(struct i2c_client *client)
{
+ int i;
+
pr_debug("In mt9v111_remove\n");
- v4l2_int_device_unregister(&mt9v111_int_device);
+ for ( i=0 ; i < ARRAY_SIZE(mt9v111_int_device) ; i++ ) {
+ if( mt9v111_data[i].used )
+ v4l2_int_device_unregister(&mt9v111_int_device[i]);
+ }
return 0;
}
@@ -1033,13 +1487,13 @@ static __init int mt9v111_init(void)
memset(mt9v111_device.ifpReg, 0, sizeof(mt9v111_IFPReg));
/* Set contents of the just created structures. */
- mt9v111_config();
+ mt9v111_config_datasheet();
/* Tells the i2c driver what functions to call for this driver. */
err = i2c_add_driver(&mt9v111_i2c_driver);
if (err != 0)
pr_err("%s:driver registration failed, error=%d \n",
- __func__, err);
+ __func__, err);
return err;
}
@@ -1055,7 +1509,6 @@ static void __exit mt9v111_clean(void)
pr_debug("In mt9v111_clean()\n");
i2c_del_driver(&mt9v111_i2c_driver);
- gpio_sensor_inactive();
if (mt9v111_device.coreReg) {
kfree(mt9v111_device.coreReg);
diff --git a/drivers/media/video/mxc/capture/mt9v111.h b/drivers/media/video/mxc/capture/mt9v111.h
index cf38cec4757c..ba91a722a076 100644
--- a/drivers/media/video/mxc/capture/mt9v111.h
+++ b/drivers/media/video/mxc/capture/mt9v111.h
@@ -111,11 +111,14 @@
#define MT9V111I_GAMMA_KNEE_Y90 0x57
#define MT9V111I_GAMMA_VALUE_Y0 0x58
#define MT9V111I_SHUTTER_60 0x59
+#define MT9V111I_AUTO_EXPOSURE_17 0x5A
#define MT9V111I_SEARCH_FLICK_60 0x5c
+#define MT9V111I_RESERVED93 0x5d
#define MT9V111I_RATIO_IMAGE_GAIN_BASE 0x5e
#define MT9V111I_RATIO_IMAGE_GAIN_DELTA 0x5f
#define MT9V111I_SIGN_VALUE_REG5F 0x60
#define MT9V111I_AE_GAIN 0x62
+#define MT9V111I_RESERVED100 0x64
#define MT9V111I_MAX_GAIN_AE 0x67
#define MT9V111I_LENS_CORRECT_CTRL 0x80
#define MT9V111I_SHADING_PARAMETER1 0x81
@@ -173,6 +176,7 @@
#define MT9V111S_ROW_START_IN_ZOOM 0x13
#define MT9V111S_DIGITAL_ZOOM 0x1e
#define MT9V111S_READ_MODE 0x20
+#define MT9V111S_RESERVED33 0x21
#define MT9V111S_DAC_CTRL 0x27
#define MT9V111S_GREEN1_GAIN 0x2b
#define MT9V111S_BLUE_GAIN 0x2c
@@ -278,6 +282,7 @@ typedef struct {
u32 rowNoiseControl;
u32 darkTargetwNC;
u32 testData; /*!< test mode */
+ u32 reserved33;
u32 globalGain;
u32 chipVersion;
u32 darkTargetwoNC;
@@ -375,11 +380,14 @@ typedef struct {
u32 gammaKneeY90; /*!< Gamma knee points Y9 and Y10 */
u32 gammaKneeY0; /*!< Gamma knee point Y0 */
u32 shutter_width_60;
+ u32 auto_exposure_17;
u32 search_flicker_60;
+ u32 reserved93;
u32 ratioImageGainBase;
u32 ratioImageGainDelta;
u32 signValueReg5F;
u32 aeGain;
+ u32 reserved100;
u32 maxGainAE;
u32 lensCorrectCtrl;
u32 shadingParameter1; /*!< Shade Parameters */
diff --git a/drivers/media/video/mxc/capture/mx27_prpsw.c b/drivers/media/video/mxc/capture/mx27_prpsw.c
index ce7db16913ec..eca200a580f2 100644
--- a/drivers/media/video/mxc/capture/mx27_prpsw.c
+++ b/drivers/media/video/mxc/capture/mx27_prpsw.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -702,7 +702,7 @@ static int prp_still_start(void *private)
cam_data *cam = (cam_data *) private;
g_still_on = 1;
- g_prp_cfg.ch2_ptr = (unsigned int)cam->still_buf;
+ g_prp_cfg.ch2_ptr = (unsigned int)cam->still_buf[0];
g_prp_cfg.ch2_ptr2 = 0;
if (prp_v4l2_cfg(&g_prp_cfg, cam))
diff --git a/drivers/media/video/mxc/capture/mxc_v4l2_capture.c b/drivers/media/video/mxc/capture/mxc_v4l2_capture.c
index 30ad533b0ebd..be9a988aff2f 100644
--- a/drivers/media/video/mxc/capture/mxc_v4l2_capture.c
+++ b/drivers/media/video/mxc/capture/mxc_v4l2_capture.c
@@ -18,6 +18,8 @@
*
* @ingroup MXC_V4L2_CAPTURE
*/
+
+
#include <linux/version.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -37,9 +39,9 @@
#include <media/v4l2-int-device.h>
#include "mxc_v4l2_capture.h"
#include "ipu_prp_sw.h"
+#include "asm/delay.h"
static int video_nr = -1;
-static cam_data *g_cam;
/*! This data is used for the output to the display. */
#define MXC_V4L2_CAPTURE_NUM_OUTPUTS 3
@@ -74,21 +76,23 @@ static struct v4l2_output mxc_capture_outputs[MXC_V4L2_CAPTURE_NUM_OUTPUTS] = {
static struct v4l2_input mxc_capture_inputs[MXC_V4L2_CAPTURE_NUM_INPUTS] = {
{
.index = 0,
- .name = "CSI IC MEM",
+ .name = "CSI MEM",
.type = V4L2_INPUT_TYPE_CAMERA,
.audioset = 0,
.tuner = 0,
.std = V4L2_STD_UNKNOWN,
- .status = 0,
+ .status = V4L2_IN_ST_NO_POWER,
},
{
.index = 1,
+// AG: CSI IC MEM works but has problems
+// .name = "CSI IC MEM",
.name = "CSI MEM",
.type = V4L2_INPUT_TYPE_CAMERA,
.audioset = 0,
.tuner = 0,
.std = V4L2_STD_UNKNOWN,
- .status = V4L2_IN_ST_NO_POWER,
+ .status = 0,
},
};
@@ -118,6 +122,7 @@ typedef struct {
u16 active_left; /*!< Active left. */
} video_fmt_t;
+#if 0
/*!
* Description of video formats supported.
*
@@ -128,37 +133,39 @@ static video_fmt_t video_fmts[] = {
{ /*! NTSC */
.v4l2_id = V4L2_STD_NTSC,
.name = "NTSC",
- .raw_width = 720 - 1, /* SENS_FRM_WIDTH */
- .raw_height = 288 - 1, /* SENS_FRM_HEIGHT */
- .active_width = 720, /* ACT_FRM_WIDTH plus 1 */
- .active_height = (480 / 2), /* ACT_FRM_HEIGHT plus 1 */
- .active_top = 12,
+ .raw_width = 720, /* SENS_FRM_WIDTH */
+ .raw_height = 525, /* SENS_FRM_HEIGHT */
+ .active_width = 720, /* ACT_FRM_WIDTH */
+ .active_height = 240, /* ACT_FRM_HEIGHT */
+ .active_top = 0,
.active_left = 0,
},
{ /*! (B, G, H, I, N) PAL */
.v4l2_id = V4L2_STD_PAL,
.name = "PAL",
- .raw_width = 720 - 1,
- .raw_height = (576 / 2) + 24 * 2 - 1,
+ .raw_width = 720,
+ .raw_height = 625,
.active_width = 720,
- .active_height = (576 / 2),
+ .active_height = 288,
.active_top = 0,
.active_left = 0,
},
{ /*! Unlocked standard */
.v4l2_id = V4L2_STD_ALL,
.name = "Autodetect",
- .raw_width = 720 - 1,
- .raw_height = (576 / 2) + 24 * 2 - 1,
+ .raw_width = 720,
+ .raw_height = 625,
.active_width = 720,
- .active_height = (576 / 2),
+ .active_height = 288,
.active_top = 0,
.active_left = 0,
},
};
+
/*!* Standard index of TV. */
static video_fmt_idx video_index = TV_NOT_LOCKED;
+#endif
static int mxc_v4l2_master_attach(struct v4l2_int_device *slave);
static void mxc_v4l2_master_detach(struct v4l2_int_device *slave);
@@ -172,15 +179,27 @@ static struct v4l2_int_master mxc_v4l2_master = {
.detach = mxc_v4l2_master_detach,
};
-static struct v4l2_int_device mxc_v4l2_int_device = {
+static struct v4l2_int_device mxc_v4l2_int_device [] = {
+ {
+ .module = THIS_MODULE,
+ .name = "mxc_v4l2_cap_1",
+ .type = v4l2_int_type_master,
+ .u = {
+ .master = &mxc_v4l2_master,
+ },
+ },
+ {
.module = THIS_MODULE,
- .name = "mxc_v4l2_cap",
+ .name = "mxc_v4l2_cap_2",
.type = v4l2_int_type_master,
.u = {
.master = &mxc_v4l2_master,
},
+ },
};
+static cam_data *g_cam[ARRAY_SIZE(mxc_v4l2_int_device)];
+
/***************************************************************************
* Functions for handling Frame buffers.
**************************************************************************/
@@ -260,6 +279,7 @@ static int mxc_allocate_frame_buf(cam_data *cam, int count)
static void mxc_free_frames(cam_data *cam)
{
int i;
+ unsigned long lock_flags;
pr_debug("In MVC:mxc_free_frames\n");
@@ -269,9 +289,11 @@ static void mxc_free_frames(cam_data *cam)
cam->enc_counter = 0;
cam->skip_frame = 0;
+ spin_lock_irqsave(&cam->dqueue_int_lock, lock_flags);
INIT_LIST_HEAD(&cam->ready_q);
INIT_LIST_HEAD(&cam->working_q);
INIT_LIST_HEAD(&cam->done_q);
+ spin_unlock_irqrestore(&cam->dqueue_int_lock, lock_flags);
}
/*!
@@ -331,8 +353,7 @@ static int mxc_streamon(cam_data *cam)
{
struct mxc_v4l_frame *frame;
int err = 0;
-
- pr_debug("In MVC:mxc_streamon\n");
+ unsigned long lock_flags;
if (NULL == cam) {
pr_err("ERROR! cam parameter is NULL\n");
@@ -363,23 +384,27 @@ static int mxc_streamon(cam_data *cam)
}
}
+ spin_lock_irqsave(&cam->queue_int_lock, lock_flags);
cam->ping_pong_csi = 0;
if (cam->enc_update_eba) {
- frame =
- list_entry(cam->ready_q.next, struct mxc_v4l_frame, queue);
- list_del(cam->ready_q.next);
- list_add_tail(&frame->queue, &cam->working_q);
- err = cam->enc_update_eba(frame->buffer.m.offset,
- &cam->ping_pong_csi);
frame =
list_entry(cam->ready_q.next, struct mxc_v4l_frame, queue);
list_del(cam->ready_q.next);
list_add_tail(&frame->queue, &cam->working_q);
- err |= cam->enc_update_eba(frame->buffer.m.offset,
- &cam->ping_pong_csi);
+ err = cam->enc_update_eba(cam->csi,frame->buffer.m.offset,
+ &cam->ping_pong_csi);
+ if (!list_empty(&cam->ready_q)) {
+ frame =
+ list_entry(cam->ready_q.next, struct mxc_v4l_frame, queue);
+ list_del(cam->ready_q.next);
+ list_add_tail(&frame->queue, &cam->working_q);
+ err |= cam->enc_update_eba(cam->csi,frame->buffer.m.offset,
+ &cam->ping_pong_csi);
+ }
+ cam->capture_on = true;
} else {
- return -EINVAL;
+ err = -EINVAL;
}
if (cam->overlay_on == true)
@@ -387,11 +412,9 @@ static int mxc_streamon(cam_data *cam)
if (cam->enc_enable_csi) {
err = cam->enc_enable_csi(cam);
- if (err != 0)
- return err;
}
- cam->capture_on = true;
+ spin_unlock_irqrestore(&cam->queue_int_lock, lock_flags);
return err;
}
@@ -543,8 +566,6 @@ static int start_preview(cam_data *cam)
{
int err = 0;
- pr_debug("MVC: start_preview\n");
-
#if defined(CONFIG_MXC_IPU_PRP_VF_SDC) || defined(CONFIG_MXC_IPU_PRP_VF_SDC_MODULE)
pr_debug(" This is an SDC display\n");
if (cam->output == 0 || cam->output == 2) {
@@ -602,8 +623,6 @@ static int stop_preview(cam_data *cam)
{
int err = 0;
- pr_debug("MVC: stop preview\n");
-
#if defined(CONFIG_MXC_IPU_PRP_VF_ADC) || defined(CONFIG_MXC_IPU_PRP_VF_ADC_MODULE)
if (cam->output == 1) {
err = prp_vf_adc_deselect(cam);
@@ -674,6 +693,29 @@ static int mxc_v4l2_g_fmt(cam_data *cam, struct v4l2_format *f)
__func__,
cam->crop_current.width, cam->crop_current.height);
+ retval = vidioc_int_g_fmt_cap(cam->sensor,f);
+ return retval;
+}
+
+/*!
+ * V4L2 - mxc_v4l2_enum_fmt function
+ *
+ * @param cam structure cam_data *
+ *
+ * @param f structure v4l2_fmtdesc *
+ *
+ * @return status 0 success, EINVAL failed
+ */
+static int mxc_v4l2_enum_fmt(cam_data *cam, struct v4l2_fmtdesc *f)
+{
+ int retval = 0;
+
+ pr_debug("In MVC: mxc_v4l2_enum_fmt\n");
+
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, true, true);
+ retval = vidioc_int_enum_fmt_cap(cam->sensor,f);
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, false, false);
+
return retval;
}
@@ -709,10 +751,14 @@ static int mxc_v4l2_s_fmt(cam_data *cam, struct v4l2_format *f)
* for CSI MEM input mode.
*/
if (strcmp(mxc_capture_inputs[cam->current_input].name,
- "CSI MEM") == 0) {
+ "CSI MEM") == 0 || strcmp(mxc_capture_inputs[cam->current_input].name,
+ "CSI IC MEM") == 0) {
f->fmt.pix.width = cam->crop_current.width;
f->fmt.pix.height = cam->crop_current.height;
}
+ else {
+ printk("Error no match %s\n",mxc_capture_inputs[cam->current_input].name);
+ }
if (cam->rotation >= IPU_ROTATE_90_RIGHT) {
height = &f->fmt.pix.width;
@@ -811,6 +857,13 @@ static int mxc_v4l2_s_fmt(cam_data *cam, struct v4l2_format *f)
break;
}
}
+
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi,
+ true, true);
+ vidioc_int_s_fmt_cap(cam->sensor, f);
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi,
+ false, false);
+
break;
case V4L2_BUF_TYPE_VIDEO_OVERLAY:
pr_debug(" type=V4L2_BUF_TYPE_VIDEO_OVERLAY\n");
@@ -1057,63 +1110,10 @@ static int mxc_v4l2_s_ctrl(cam_data *cam, struct v4l2_control *c)
return ret;
}
-/*!
- * V4L2 - mxc_v4l2_s_param function
- * Allows setting of capturemode and frame rate.
- *
- * @param cam structure cam_data *
- * @param parm structure v4l2_streamparm *
- *
- * @return status 0 success, EINVAL failed
- */
-static int mxc_v4l2_s_param(cam_data *cam, struct v4l2_streamparm *parm)
-{
- struct v4l2_ifparm ifparm;
+static int mxc_v4l2_init_csi( cam_data *cam ) {
struct v4l2_format cam_fmt;
- struct v4l2_streamparm currentparm;
ipu_csi_signal_cfg_t csi_param;
- int err = 0;
-
- pr_debug("In mxc_v4l2_s_param\n");
-
- if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- pr_err(KERN_ERR "mxc_v4l2_s_param invalid type\n");
- return -EINVAL;
- }
-
- /* Stop the viewfinder */
- if (cam->overlay_on == true) {
- stop_preview(cam);
- }
-
- currentparm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
-
- /* First check that this device can support the changes requested. */
- err = vidioc_int_g_parm(cam->sensor, &currentparm);
- if (err) {
- pr_err("%s: vidioc_int_g_parm returned an error %d\n",
- __func__, err);
- goto exit;
- }
-
- pr_debug(" Current capabilities are %x\n",
- currentparm.parm.capture.capability);
- pr_debug(" Current capturemode is %d change to %d\n",
- currentparm.parm.capture.capturemode,
- parm->parm.capture.capturemode);
- pr_debug(" Current framerate is %d change to %d\n",
- currentparm.parm.capture.timeperframe.denominator,
- parm->parm.capture.timeperframe.denominator);
-
- /* This will change any camera settings needed. */
- ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, true, true);
- err = vidioc_int_s_parm(cam->sensor, parm);
- ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, false, false);
- if (err) {
- pr_err("%s: vidioc_int_s_parm returned an error %d\n",
- __func__, err);
- goto exit;
- }
+ struct v4l2_ifparm ifparm;
/* If resolution changed, need to re-program the CSI */
/* Get new values. */
@@ -1131,13 +1131,13 @@ static int mxc_v4l2_s_param(cam_data *cam, struct v4l2_streamparm *parm)
csi_param.force_eof = 0;
csi_param.data_en_pol = 0;
csi_param.data_fmt = 0;
- csi_param.csi = 0;
+ csi_param.csi = cam->csi;
csi_param.mclk = 0;
/* This may not work on other platforms. Check when adding a new one.*/
pr_debug(" clock_curr=mclk=%d\n", ifparm.u.bt656.clock_curr);
if (ifparm.u.bt656.clock_curr == 0) {
- csi_param.clk_mode = IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE;
+ csi_param.clk_mode = IPU_CSI_CLK_MODE_CCIR656_INTERLACED;
} else {
csi_param.clk_mode = IPU_CSI_CLK_MODE_GATED_CLK;
}
@@ -1189,7 +1189,63 @@ static int mxc_v4l2_s_param(cam_data *cam, struct v4l2_streamparm *parm)
ipu_csi_init_interface(cam->crop_bounds.width,
cam->crop_bounds.height,
cam_fmt.fmt.pix.pixelformat, csi_param);
+ return 0;
+}
+/*!
+ * V4L2 - mxc_v4l2_s_param function
+ * Allows setting of capturemode and frame rate.
+ *
+ * @param cam structure cam_data *
+ * @param parm structure v4l2_streamparm *
+ *
+ * @return status 0 success, EINVAL failed
+ */
+static int mxc_v4l2_s_param(cam_data *cam, struct v4l2_streamparm *parm)
+{
+ struct v4l2_streamparm currentparm;
+ int err = 0;
+
+ if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
+ pr_err(KERN_ERR "mxc_v4l2_s_param invalid type\n");
+ return -EINVAL;
+ }
+
+ /* Stop the viewfinder */
+ if (cam->overlay_on == true) {
+ stop_preview(cam);
+ }
+
+ currentparm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+
+ /* First check that this device can support the changes requested. */
+ err = vidioc_int_g_parm(cam->sensor, &currentparm);
+ if (err) {
+ pr_err("%s: vidioc_int_g_parm returned an error %d\n",
+ __func__, err);
+ goto exit;
+ }
+
+ pr_debug(" Current capabilities are %x\n",
+ currentparm.parm.capture.capability);
+ pr_debug(" Current capturemode is %d change to %d\n",
+ currentparm.parm.capture.capturemode,
+ parm->parm.capture.capturemode);
+ pr_debug(" Current framerate is %d change to %d\n",
+ currentparm.parm.capture.timeperframe.denominator,
+ parm->parm.capture.timeperframe.denominator);
+
+ /* This will change any camera settings needed. */
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, true, true);
+ err = vidioc_int_s_parm(cam->sensor, parm);
+ ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, false, false);
+ if (err) {
+ pr_err("%s: vidioc_int_s_parm returned an error %d\n",
+ __func__, err);
+ goto exit;
+ }
+
+ err = mxc_v4l2_init_csi(cam);
exit:
if (cam->overlay_on == true)
@@ -1198,6 +1254,7 @@ exit:
return err;
}
+#if 0
/*!
* V4L2 - mxc_v4l2_s_std function
*
@@ -1287,6 +1344,7 @@ static int mxc_v4l2_g_std(cam_data *cam, v4l2_std_id *e)
return 0;
}
+#endif
/*!
* Dequeue one V4L capture buffer
@@ -1372,6 +1430,11 @@ static int mxc_v4l_open(struct file *file)
return -EBADF;
}
+ if(!cam->sensor) {
+ pr_err("ERROR: v4l2 capture: Unattached sensor!\n");
+ return -EBADF;
+ }
+
down(&cam->busy_lock);
err = 0;
if (signal_pending(current))
@@ -1411,12 +1474,9 @@ static int mxc_v4l_open(struct file *file)
csi_param.force_eof = 0;
csi_param.data_en_pol = 0;
csi_param.mclk = ifparm.u.bt656.clock_curr;
-
+ csi_param.ext_vsync = ifparm.u.bt656.bt_sync_correct;
csi_param.pixclk_pol = ifparm.u.bt656.latch_clk_inv;
- /* Once we handle multiple inputs this will need to change. */
- csi_param.csi = 0;
-
if (ifparm.u.bt656.mode
== V4L2_IF_TYPE_BT656_MODE_NOBT_8BIT)
csi_param.data_width = IPU_CSI_DATA_WIDTH_8;
@@ -1464,11 +1524,13 @@ static int mxc_v4l_open(struct file *file)
__func__,
cam->crop_current.width, cam->crop_current.height);
+ udelay(100);
+
csi_param.data_fmt = cam_fmt.fmt.pix.pixelformat;
pr_debug("On Open: Input to ipu size is %d x %d\n",
cam_fmt.fmt.pix.width, cam_fmt.fmt.pix.height);
ipu_csi_set_window_size(cam->crop_current.width,
- cam->crop_current.width,
+ cam->crop_current.height,
cam->csi);
ipu_csi_set_window_pos(cam->crop_current.left,
cam->crop_current.top,
@@ -1478,12 +1540,16 @@ static int mxc_v4l_open(struct file *file)
cam_fmt.fmt.pix.pixelformat,
csi_param);
+ udelay(100);
+
ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi,
true, true);
vidioc_int_init(cam->sensor);
ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi,
false, false);
+
+ udelay(100);
}
file->private_data = dev;
@@ -1519,7 +1585,7 @@ static int mxc_v4l_close(struct file *file)
err = stop_preview(cam);
cam->overlay_on = false;
}
- if (cam->capture_pid == current->pid) {
+ if (cam->capture_pid == current->tgid) {
err |= mxc_streamoff(cam);
wake_up_interruptible(&cam->enc_queue);
}
@@ -1570,7 +1636,7 @@ static ssize_t mxc_v4l_read(struct file *file, char *buf, size_t count,
loff_t *ppos)
{
int err = 0;
- u8 *v_address;
+ u8 *v_address[2];
struct video_device *dev = video_devdata(file);
cam_data *cam = video_get_drvdata(dev);
@@ -1581,11 +1647,17 @@ static ssize_t mxc_v4l_read(struct file *file, char *buf, size_t count,
if (cam->overlay_on == true)
stop_preview(cam);
- v_address = dma_alloc_coherent(0,
+ v_address[0] = dma_alloc_coherent(0,
PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage),
- &cam->still_buf, GFP_DMA | GFP_KERNEL);
+ &cam->still_buf[0],
+ GFP_DMA | GFP_KERNEL);
+
+ v_address[1] = dma_alloc_coherent(0,
+ PAGE_ALIGN(cam->v2f.fmt.pix.sizeimage),
+ &cam->still_buf[1],
+ GFP_DMA | GFP_KERNEL);
- if (!v_address) {
+ if (!v_address[0] || !v_address[1]) {
err = -ENOBUFS;
goto exit0;
}
@@ -1593,14 +1665,14 @@ static ssize_t mxc_v4l_read(struct file *file, char *buf, size_t count,
err = prp_still_select(cam);
if (err != 0) {
err = -EIO;
- goto exit1;
+ goto exit0;
}
cam->still_counter = 0;
err = cam->csi_start(cam);
if (err != 0) {
err = -EIO;
- goto exit2;
+ goto exit1;
}
if (!wait_event_interruptible_timeout(cam->still_queue,
@@ -1609,19 +1681,23 @@ static ssize_t mxc_v4l_read(struct file *file, char *buf, size_t count,
pr_err("ERROR: v4l2 capture: mxc_v4l_read timeout counter %x\n",
cam->still_counter);
err = -ETIME;
- goto exit2;
+ goto exit1;
}
- err = copy_to_user(buf, v_address, cam->v2f.fmt.pix.sizeimage);
-
- exit2:
- prp_still_deselect(cam);
+ err = copy_to_user(buf, v_address[1], cam->v2f.fmt.pix.sizeimage);
exit1:
- dma_free_coherent(0, cam->v2f.fmt.pix.sizeimage, v_address,
- cam->still_buf);
- cam->still_buf = 0;
+ prp_still_deselect(cam);
exit0:
+ if (v_address[0] != 0)
+ dma_free_coherent(0, cam->v2f.fmt.pix.sizeimage, v_address[0],
+ cam->still_buf[0]);
+ if (v_address[1] != 0)
+ dma_free_coherent(0, cam->v2f.fmt.pix.sizeimage, v_address[1],
+ cam->still_buf[1]);
+
+ cam->still_buf[0] = cam->still_buf[1] = 0;
+
if (cam->overlay_on == true) {
start_preview(cam);
}
@@ -1661,6 +1737,21 @@ static long mxc_v4l_do_ioctl(struct file *file,
return -EBUSY;
switch (ioctlnr) {
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ case VIDIOC_DBG_S_REGISTER: {
+ struct v4l2_dbg_register * dreg = arg;
+ vidioc_int_s_register(cam->sensor,dreg);
+ break;
+ }
+
+ case VIDIOC_DBG_G_REGISTER: {
+ struct v4l2_dbg_register * dreg = arg;
+ vidioc_int_g_register(cam->sensor,dreg);
+ break;
+ }
+#endif
+
/*!
* V4l2 VIDIOC_QUERYCAP ioctl
*/
@@ -1695,6 +1786,14 @@ static long mxc_v4l_do_ioctl(struct file *file,
struct v4l2_format *sf = arg;
pr_debug(" case VIDIOC_S_FMT\n");
retval = mxc_v4l2_s_fmt(cam, sf);
+ mxc_v4l2_init_csi(cam);
+ break;
+ }
+
+ case VIDIOC_ENUM_FMT: {
+ struct v4l2_fmtdesc *fd = arg;
+ pr_debug(" case VIDIOC_ENUM_FMT\n");
+ retval = mxc_v4l2_enum_fmt(cam, fd);
break;
}
@@ -1775,9 +1874,8 @@ static long mxc_v4l_do_ioctl(struct file *file,
if (cam->skip_frame > 0) {
list_add_tail(&cam->frame[index].queue,
&cam->working_q);
-
retval =
- cam->enc_update_eba(cam->
+ cam->enc_update_eba(cam->csi,cam->
frame[index].
buffer.m.offset,
&cam->
@@ -1999,28 +2097,6 @@ static long mxc_v4l_do_ioctl(struct file *file,
break;
}
- /* linux v4l2 bug, kernel c0485619 user c0405619 */
- case VIDIOC_ENUMSTD: {
- struct v4l2_standard *e = arg;
- pr_debug(" case VIDIOC_ENUMSTD\n");
- *e = cam->standard;
- break;
- }
-
- case VIDIOC_G_STD: {
- v4l2_std_id *e = arg;
- pr_debug(" case VIDIOC_G_STD\n");
- retval = mxc_v4l2_g_std(cam, e);
- break;
- }
-
- case VIDIOC_S_STD: {
- v4l2_std_id *e = arg;
- pr_debug(" case VIDIOC_S_STD\n");
- retval = mxc_v4l2_s_std(cam, *e);
-
- break;
- }
case VIDIOC_ENUMOUTPUT: {
struct v4l2_output *output = arg;
@@ -2109,8 +2185,13 @@ static long mxc_v4l_do_ioctl(struct file *file,
break;
}
- case VIDIOC_ENUM_FMT:
- case VIDIOC_TRY_FMT:
+ case VIDIOC_TRY_FMT: {
+ struct v4l2_format * f = arg;
+ pr_debug(" case VIDIOC_TRY_FMT\n");
+ retval = vidioc_int_try_fmt_cap(cam->sensor,f);
+ break;
+ }
+
case VIDIOC_QUERYCTRL:
case VIDIOC_G_TUNER:
case VIDIOC_S_TUNER:
@@ -2163,7 +2244,7 @@ static int mxc_mmap(struct file *file, struct vm_area_struct *vma)
return -EINTR;
size = vma->vm_end - vma->vm_start;
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+ vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
if (remap_pfn_range(vma, vma->vm_start,
vma->vm_pgoff, size, vma->vm_page_prot)) {
@@ -2236,12 +2317,21 @@ static void camera_platform_release(struct device *device)
}
/*! Device Definition for Mt9v111 devices */
-static struct platform_device mxc_v4l2_devices = {
- .name = "mxc_v4l2",
- .dev = {
- .release = camera_platform_release,
- },
- .id = 0,
+static struct platform_device mxc_v4l2_devices[] = {
+ {
+ .name = "mxc_v4l2_1",
+ .dev = {
+ .release = camera_platform_release,
+ },
+ .id = 0,
+ },
+ {
+ .name = "mxc_v4l2_2",
+ .dev = {
+ .release = camera_platform_release,
+ },
+ .id = 1,
+ }
};
/*!
@@ -2302,7 +2392,7 @@ static void camera_callback(u32 mask, void *dev)
struct mxc_v4l_frame,
queue);
- if (cam->enc_update_eba(
+ if (cam->enc_update_eba(cam->csi,
ready_frame->buffer.m.offset,
&cam->ping_pong_csi) == 0) {
list_del(cam->ready_q.next);
@@ -2354,7 +2444,7 @@ static void camera_callback(u32 mask, void *dev)
ready_frame = list_entry(cam->ready_q.next,
struct mxc_v4l_frame,
queue);
- if (cam->enc_update_eba(ready_frame->buffer.m.offset,
+ if (cam->enc_update_eba(cam->csi,ready_frame->buffer.m.offset,
&cam->ping_pong_csi) == 0) {
list_del(cam->ready_q.next);
list_add_tail(&ready_frame->queue,
@@ -2362,7 +2452,7 @@ static void camera_callback(u32 mask, void *dev)
} else
return;
} else {
- if (cam->enc_update_eba(
+ if (cam->enc_update_eba(cam->csi,
cam->dummy_frame.buffer.m.offset,
&cam->ping_pong_csi) == -EACCES)
return;
@@ -2379,13 +2469,15 @@ static void camera_callback(u32 mask, void *dev)
*
* @return status 0 Success
*/
-static void init_camera_struct(cam_data *cam)
+static void init_camera_struct(cam_data *cam,unsigned int csi)
{
- pr_debug("In MVC: init_camera_struct\n");
+ pr_debug("In MVC: init_camera_struct for csi %d\n",csi);
/* Default everything to 0 */
memset(cam, 0, sizeof(cam_data));
+ cam->csi = csi;
+
init_MUTEX(&cam->param_lock);
init_MUTEX(&cam->busy_lock);
@@ -2396,7 +2488,7 @@ static void init_camera_struct(cam_data *cam)
*(cam->video_dev) = mxc_v4l_template;
video_set_drvdata(cam->video_dev, cam);
- dev_set_drvdata(&mxc_v4l2_devices.dev, (void *)cam);
+ dev_set_drvdata(&mxc_v4l2_devices[csi].dev, (void *)cam);
cam->video_dev->minor = -1;
init_waitqueue_head(&cam->enc_queue);
@@ -2428,6 +2520,8 @@ static void init_camera_struct(cam_data *cam)
cam->skip_frame = 0;
cam->v4l2_fb.flags = V4L2_FBUF_FLAG_OVERLAY;
+ cam->current_input = cam->csi;
+
cam->v2f.fmt.pix.sizeimage = 352 * 288 * 3 / 2;
cam->v2f.fmt.pix.bytesperline = 288 * 3 / 2;
cam->v2f.fmt.pix.width = 288;
@@ -2438,9 +2532,6 @@ static void init_camera_struct(cam_data *cam)
cam->win.w.left = 0;
cam->win.w.top = 0;
- cam->csi = 0; /* Need to determine how to set this correctly with
- * multiple video input devices. */
-
cam->enc_callback = camera_callback;
init_waitqueue_head(&cam->power_queue);
spin_lock_init(&cam->queue_int_lock);
@@ -2460,11 +2551,12 @@ static u8 camera_power(cam_data *cam, bool cameraOn)
{
pr_debug("In MVC:camera_power on=%d\n", cameraOn);
+ if( !cam->open_count )
+ return 0;
+
if (cameraOn == true) {
- ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, true, true);
vidioc_int_s_power(cam->sensor, 1);
} else {
- ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, false, false);
vidioc_int_s_power(cam->sensor, 0);
}
return 0;
@@ -2491,15 +2583,15 @@ static int mxc_v4l2_suspend(struct platform_device *pdev, pm_message_t state)
return -1;
}
+ if (!cam->open_count) {
+ return 0;
+ }
+
cam->low_power = true;
if (cam->overlay_on == true)
stop_preview(cam);
- if ((cam->capture_on == true) && cam->enc_disable) {
- cam->enc_disable(cam);
- }
camera_power(cam, false);
-
return 0;
}
@@ -2522,14 +2614,19 @@ static int mxc_v4l2_resume(struct platform_device *pdev)
return -1;
}
+ if( !cam->open_count )
+ return 0;
+
cam->low_power = false;
wake_up_interruptible(&cam->power_queue);
+
camera_power(cam, true);
if (cam->overlay_on == true)
start_preview(cam);
+
if (cam->capture_on == true)
- mxc_streamon(cam);
+ mxc_streamon(cam);
return 0;
}
@@ -2537,15 +2634,27 @@ static int mxc_v4l2_resume(struct platform_device *pdev)
/*!
* This structure contains pointers to the power management callback functions.
*/
-static struct platform_driver mxc_v4l2_driver = {
- .driver = {
- .name = "mxc_v4l2",
- },
- .probe = NULL,
- .remove = NULL,
- .suspend = mxc_v4l2_suspend,
- .resume = mxc_v4l2_resume,
- .shutdown = NULL,
+static struct platform_driver mxc_v4l2_driver[] = {
+ {
+ .driver = {
+ .name = "mxc_v4l2_1",
+ },
+ .probe = NULL,
+ .remove = NULL,
+ .suspend = mxc_v4l2_suspend,
+ .resume = mxc_v4l2_resume,
+ .shutdown = NULL,
+ },
+ {
+ .driver = {
+ .name = "mxc_v4l2_2",
+ },
+ .probe = NULL,
+ .remove = NULL,
+ .suspend = mxc_v4l2_suspend,
+ .resume = mxc_v4l2_resume,
+ .shutdown = NULL,
+ },
};
/*!
@@ -2567,6 +2676,7 @@ static int mxc_v4l2_master_attach(struct v4l2_int_device *slave)
}
ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, true, true);
+ vidioc_int_s_power(cam->sensor, 1);
vidioc_int_dev_init(slave);
ipu_csi_enable_mclk_if(CSI_MCLK_I2C, cam->csi, false, false);
cam_fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
@@ -2623,53 +2733,55 @@ static void mxc_v4l2_master_detach(struct v4l2_int_device *slave)
static __init int camera_init(void)
{
u8 err = 0;
+ int i;
pr_debug("In MVC:camera_init\n");
- /* Register the device driver structure. */
- err = platform_driver_register(&mxc_v4l2_driver);
- if (err != 0) {
- pr_err("ERROR: v4l2 capture:camera_init: "
- "platform_driver_register failed.\n");
- return err;
- }
+ for (i = 0; i < ARRAY_SIZE(mxc_v4l2_int_device); i++) {
+ /* Register the device driver structure. */
+ err = platform_driver_register(&mxc_v4l2_driver[i]);
+ if (err != 0) {
+ pr_err("ERROR: v4l2 capture:camera_init: "
+ "platform_driver_register failed.\n");
+ return err;
+ }
- /* Create g_cam and initialize it. */
- if ((g_cam = kmalloc(sizeof(cam_data), GFP_KERNEL)) == NULL) {
- pr_err("ERROR: v4l2 capture: failed to register camera\n");
- platform_driver_unregister(&mxc_v4l2_driver);
- return -1;
- }
- init_camera_struct(g_cam);
+ /* Create g_cam and initialize it. */
+ if ((g_cam [i] = kmalloc(sizeof(cam_data), GFP_KERNEL)) == NULL) {
+ pr_err("ERROR: v4l2 capture: failed to register camera\n");
+ platform_driver_unregister(&mxc_v4l2_driver[i]);
+ return -1;
+ }
+ init_camera_struct(g_cam [i], i);
- /* Set up the v4l2 device and register it*/
- mxc_v4l2_int_device.priv = g_cam;
- /* This function contains a bug that won't let this be rmmod'd. */
- v4l2_int_device_register(&mxc_v4l2_int_device);
+ /* Set up the v4l2 device and register it*/
+ mxc_v4l2_int_device[i].priv = g_cam [i];
+ /* This function contains a bug that won't let this be rmmod'd. */
+ v4l2_int_device_register(&mxc_v4l2_int_device[i]);
- /* Register the I2C device */
- err = platform_device_register(&mxc_v4l2_devices);
- if (err != 0) {
- pr_err("ERROR: v4l2 capture: camera_init: "
- "platform_device_register failed.\n");
- platform_driver_unregister(&mxc_v4l2_driver);
- kfree(g_cam);
- g_cam = NULL;
- return err;
- }
+ /* Register the I2C device */
+ err = platform_device_register(&mxc_v4l2_devices[i]);
+ if (err != 0) {
+ pr_err("ERROR: v4l2 capture: camera_init: "
+ "platform_device_register failed.\n");
+ platform_driver_unregister(&mxc_v4l2_driver[i]);
+ kfree(g_cam [i]);
+ g_cam [i] = NULL;
+ return err;
+ }
- /* register v4l video device */
- if (video_register_device(g_cam->video_dev, VFL_TYPE_GRABBER, video_nr)
- == -1) {
- platform_device_unregister(&mxc_v4l2_devices);
- platform_driver_unregister(&mxc_v4l2_driver);
- kfree(g_cam);
- g_cam = NULL;
- pr_err("ERROR: v4l2 capture: video_register_device failed\n");
- return -1;
+ /* register v4l video device */
+ if (video_register_device(g_cam[i]->video_dev, VFL_TYPE_GRABBER, video_nr)== -1) {
+ platform_device_unregister(&mxc_v4l2_devices[i]);
+ platform_driver_unregister(&mxc_v4l2_driver[i]);
+ kfree(g_cam[i]);
+ g_cam [i] = NULL;
+ pr_err("ERROR: v4l2 capture: video_register_device failed\n");
+ return -1;
+ }
+ pr_debug(" Video device registered: %s #%d\n",
+ g_cam[i]->video_dev->name, g_cam[i]->video_dev->minor);
}
- pr_debug(" Video device registered: %s #%d\n",
- g_cam->video_dev->name, g_cam->video_dev->minor);
return err;
}
@@ -2683,19 +2795,34 @@ static void __exit camera_exit(void)
pr_info("V4L2 unregistering video\n");
- if (g_cam->open_count) {
+ if (g_cam[0]->open_count) {
+ pr_err("ERROR: v4l2 capture:camera open "
+ "-- setting ops to NULL\n");
+ } else {
+ pr_info("V4L2 freeing image input device\n");
+ v4l2_int_device_unregister(&mxc_v4l2_int_device[0]);
+ video_unregister_device(g_cam[0]->video_dev);
+ platform_driver_unregister(&mxc_v4l2_driver[0]);
+ platform_device_unregister(&mxc_v4l2_devices[0]);
+
+ mxc_free_frame_buf(g_cam[0]);
+ kfree(g_cam[0]);
+ g_cam[0] = NULL;
+ }
+
+ if (g_cam[1]->open_count) {
pr_err("ERROR: v4l2 capture:camera open "
"-- setting ops to NULL\n");
} else {
pr_info("V4L2 freeing image input device\n");
- v4l2_int_device_unregister(&mxc_v4l2_int_device);
- video_unregister_device(g_cam->video_dev);
- platform_driver_unregister(&mxc_v4l2_driver);
- platform_device_unregister(&mxc_v4l2_devices);
-
- mxc_free_frame_buf(g_cam);
- kfree(g_cam);
- g_cam = NULL;
+ v4l2_int_device_unregister(&mxc_v4l2_int_device[1]);
+ video_unregister_device(g_cam[1]->video_dev);
+ platform_driver_unregister(&mxc_v4l2_driver[1]);
+ platform_device_unregister(&mxc_v4l2_devices[1]);
+
+ mxc_free_frame_buf(g_cam[1]);
+ kfree(g_cam[1]);
+ g_cam[1] = NULL;
}
}
diff --git a/drivers/media/video/mxc/capture/mxc_v4l2_capture.h b/drivers/media/video/mxc/capture/mxc_v4l2_capture.h
index 45a211a80a38..abaaaea48447 100644
--- a/drivers/media/video/mxc/capture/mxc_v4l2_capture.h
+++ b/drivers/media/video/mxc/capture/mxc_v4l2_capture.h
@@ -36,6 +36,7 @@
#include <media/v4l2-dev.h>
#define FRAME_NUM 3
+//#define FRAME_NUM 4
/*!
* v4l2 frame structure.
@@ -123,7 +124,7 @@ typedef struct _cam_data {
/* still image capture */
wait_queue_head_t still_queue;
int still_counter;
- dma_addr_t still_buf;
+ dma_addr_t still_buf[2];
void *still_buf_vaddr;
/* overlay */
@@ -166,7 +167,7 @@ typedef struct _cam_data {
struct v4l2_rect crop_defrect;
struct v4l2_rect crop_current;
- int (*enc_update_eba) (dma_addr_t eba, int *bufferNum);
+ int (*enc_update_eba) (int csi,dma_addr_t eba, int *bufferNum);
int (*enc_enable) (void *private);
int (*enc_disable) (void *private);
int (*enc_enable_csi) (void *private);
@@ -194,6 +195,7 @@ typedef struct _cam_data {
/* camera sensor interface */
struct camera_sensor *cam_sensor; /* old version */
struct v4l2_int_device *sensor;
+ struct timeval tv_wakeup; // TODO - for testing. Remove later
} cam_data;
#if defined(CONFIG_MXC_IPU_V1) || defined(CONFIG_VIDEO_MXC_EMMA_CAMERA) \
diff --git a/drivers/media/video/mxc/capture/ov3640.c b/drivers/media/video/mxc/capture/ov3640.c
index 29e61234e7f8..899945b7d071 100644
--- a/drivers/media/video/mxc/capture/ov3640.c
+++ b/drivers/media/video/mxc/capture/ov3640.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -26,7 +26,7 @@
#define OV3640_VOLTAGE_ANALOG 2800000
#define OV3640_VOLTAGE_DIGITAL_CORE 1500000
#define OV3640_VOLTAGE_DIGITAL_IO 1800000
-
+#define OV3640_VOLTAGE_DIGITAL_GPO 2800000
/* Check these values! */
#define MIN_FPS 15
@@ -40,8 +40,8 @@ enum ov3640_mode {
ov3640_mode_MIN = 0,
ov3640_mode_VGA_640_480 = 0,
ov3640_mode_QVGA_320_240 = 1,
- ov3640_mode_QXGA_2048_1536 = 2,
- ov3640_mode_XGA_1024_768 = 3,
+ ov3640_mode_XGA_1024_768 = 2,
+ ov3640_mode_QXGA_2048_1536 = 3,
ov3640_mode_NTSC_720_480 = 4,
ov3640_mode_PAL_720_576 = 5,
ov3640_mode_MAX = 5
@@ -93,6 +93,44 @@ struct sensor {
} ov3640_data;
static struct reg_value ov3640_setting_15fps_QXGA_2048_1536[] = {
+#if 0
+ /* The true 15fps QXGA setting. */
+ {0x3012, 0x80, 0, 0}, {0x304d, 0x41, 0, 0}, {0x3087, 0x16, 0, 0},
+ {0x30aa, 0x45, 0, 0}, {0x30b0, 0xff, 0, 0}, {0x30b1, 0xff, 0, 0},
+ {0x30b2, 0x13, 0, 0}, {0x30d7, 0x10, 0, 0}, {0x309e, 0x00, 0, 0},
+ {0x3602, 0x26, 0, 0}, {0x3603, 0x4D, 0, 0}, {0x364c, 0x04, 0, 0},
+ {0x360c, 0x12, 0, 0}, {0x361e, 0x00, 0, 0}, {0x361f, 0x11, 0, 0},
+ {0x3633, 0x03, 0, 0}, {0x3629, 0x3c, 0, 0}, {0x300e, 0x33, 0, 0},
+ {0x300f, 0x21, 0, 0}, {0x3010, 0x20, 0, 0}, {0x3011, 0x00, 0, 0},
+ {0x304c, 0x81, 0, 0}, {0x3029, 0x47, 0, 0}, {0x3070, 0x00, 0, 0},
+ {0x3071, 0xEC, 0, 0}, {0x301C, 0x06, 0, 0}, {0x3072, 0x00, 0, 0},
+ {0x3073, 0xC5, 0, 0}, {0x301D, 0x07, 0, 0}, {0x3018, 0x38, 0, 0},
+ {0x3019, 0x30, 0, 0}, {0x301a, 0x61, 0, 0}, {0x307d, 0x00, 0, 0},
+ {0x3087, 0x02, 0, 0}, {0x3082, 0x20, 0, 0}, {0x303c, 0x08, 0, 0},
+ {0x303d, 0x18, 0, 0}, {0x303e, 0x06, 0, 0}, {0x303F, 0x0c, 0, 0},
+ {0x3030, 0x62, 0, 0}, {0x3031, 0x26, 0, 0}, {0x3032, 0xe6, 0, 0},
+ {0x3033, 0x6e, 0, 0}, {0x3034, 0xea, 0, 0}, {0x3035, 0xae, 0, 0},
+ {0x3036, 0xa6, 0, 0}, {0x3037, 0x6a, 0, 0}, {0x3015, 0x12, 0, 0},
+ {0x3014, 0x04, 0, 0}, {0x3013, 0xf7, 0, 0}, {0x3104, 0x02, 0, 0},
+ {0x3105, 0xfd, 0, 0}, {0x3106, 0x00, 0, 0}, {0x3107, 0xff, 0, 0},
+ {0x3308, 0xa5, 0, 0}, {0x3316, 0xff, 0, 0}, {0x3317, 0x00, 0, 0},
+ {0x3087, 0x02, 0, 0}, {0x3082, 0x20, 0, 0}, {0x3300, 0x13, 0, 0},
+ {0x3301, 0xd6, 0, 0}, {0x3302, 0xef, 0, 0}, {0x30b8, 0x20, 0, 0},
+ {0x30b9, 0x17, 0, 0}, {0x30ba, 0x04, 0, 0}, {0x30bb, 0x08, 0, 0},
+ {0x3100, 0x02, 0, 0}, {0x3304, 0x00, 0, 0}, {0x3400, 0x00, 0, 0},
+ {0x3404, 0x02, 0, 0}, {0x3020, 0x01, 0, 0}, {0x3021, 0x1d, 0, 0},
+ {0x3022, 0x00, 0, 0}, {0x3023, 0x0a, 0, 0}, {0x3024, 0x08, 0, 0},
+ {0x3025, 0x18, 0, 0}, {0x3026, 0x06, 0, 0}, {0x3027, 0x0c, 0, 0},
+ {0x335f, 0x68, 0, 0}, {0x3360, 0x18, 0, 0}, {0x3361, 0x0c, 0, 0},
+ {0x3362, 0x68, 0, 0}, {0x3363, 0x08, 0, 0}, {0x3364, 0x04, 0, 0},
+ {0x3403, 0x42, 0, 0}, {0x3088, 0x08, 0, 0}, {0x3089, 0x00, 0, 0},
+ {0x308a, 0x06, 0, 0}, {0x308b, 0x00, 0, 0}, {0x3507, 0x06, 0, 0},
+ {0x350a, 0x4f, 0, 0}, {0x3600, 0xc4, 0, 0},
+#endif
+ /*
+ * Only support 7.5fps for QXGA to workaround screen tearing issue
+ * for 15fps when capturing still image.
+ */
{0x3012, 0x80, 0, 0}, {0x304d, 0x45, 0, 0}, {0x30a7, 0x5e, 0, 0},
{0x3087, 0x16, 0, 0}, {0x309c, 0x1a, 0, 0}, {0x30a2, 0xe4, 0, 0},
{0x30aa, 0x42, 0, 0}, {0x30b0, 0xff, 0, 0}, {0x30b1, 0xff, 0, 0},
@@ -118,25 +156,9 @@ static struct reg_value ov3640_setting_15fps_QXGA_2048_1536[] = {
{0x30bb, 0x08, 0, 0}, {0x3507, 0x06, 0, 0}, {0x350a, 0x4f, 0, 0},
{0x3100, 0x02, 0, 0}, {0x3301, 0xde, 0, 0}, {0x3304, 0x00, 0, 0},
{0x3400, 0x00, 0, 0}, {0x3404, 0x02, 0, 0}, {0x3600, 0xc4, 0, 0},
- {0x3302, 0xef, 0, 0}, {0x3020, 0x01, 0, 0}, {0x3021, 0x1d, 0, 0},
- {0x3022, 0x00, 0, 0}, {0x3023, 0x0a, 0, 0}, {0x3024, 0x08, 0, 0},
- {0x3025, 0x00, 0, 0}, {0x3026, 0x06, 0, 0}, {0x3027, 0x00, 0, 0},
- {0x335f, 0x68, 0, 0}, {0x3360, 0x00, 0, 0}, {0x3361, 0x00, 0, 0},
- {0x3362, 0x68, 0, 0}, {0x3363, 0x00, 0, 0}, {0x3364, 0x00, 0, 0},
- {0x3403, 0x00, 0, 0}, {0x3088, 0x08, 0, 0}, {0x3089, 0x00, 0, 0},
- {0x308a, 0x06, 0, 0}, {0x308b, 0x00, 0, 0}, {0x307c, 0x10, 0, 0},
- {0x3090, 0xc0, 0, 0}, {0x304c, 0x84, 0, 0}, {0x308d, 0x04, 0, 0},
- {0x3086, 0x03, 0, 0}, {0x3086, 0x00, 0, 0}, {0x3012, 0x00, 0, 0},
- {0x3020, 0x01, 0, 0}, {0x3021, 0x1d, 0, 0}, {0x3022, 0x00, 0, 0},
- {0x3023, 0x0a, 0, 0}, {0x3024, 0x08, 0, 0}, {0x3025, 0x18, 0, 0},
- {0x3026, 0x06, 0, 0}, {0x3027, 0x0c, 0, 0}, {0x302a, 0x06, 0, 0},
- {0x302b, 0x20, 0, 0}, {0x3075, 0x44, 0, 0}, {0x300d, 0x00, 0, 0},
- {0x30d7, 0x00, 0, 0}, {0x3069, 0x40, 0, 0}, {0x303e, 0x01, 0, 0},
- {0x303f, 0x80, 0, 0}, {0x3302, 0x20, 0, 0}, {0x335f, 0x68, 0, 0},
- {0x3360, 0x18, 0, 0}, {0x3361, 0x0c, 0, 0}, {0x3362, 0x68, 0, 0},
- {0x3363, 0x08, 0, 0}, {0x3364, 0x04, 0, 0}, {0x3403, 0x42, 0, 0},
{0x3088, 0x08, 0, 0}, {0x3089, 0x00, 0, 0}, {0x308a, 0x06, 0, 0},
- {0x308b, 0x00, 0, 0},
+ {0x308b, 0x00, 0, 0}, {0x308d, 0x04, 0, 0}, {0x3086, 0x03, 0, 0},
+ {0x3086, 0x00, 0, 0}, {0x3011, 0x01, 0, 0},
};
static struct reg_value ov3640_setting_15fps_XGA_1024_768[] = {
@@ -674,6 +696,7 @@ static struct regulator *io_regulator;
static struct regulator *core_regulator;
static struct regulator *analog_regulator;
static struct regulator *gpo_regulator;
+static struct mxc_camera_platform_data *camera_plat;
static int ov3640_probe(struct i2c_client *adapter,
const struct i2c_device_id *device_id);
@@ -843,6 +866,10 @@ static int ioctl_s_power(struct v4l2_int_device *s, int on)
if (analog_regulator)
if (regulator_enable(analog_regulator) != 0)
return -EIO;
+ /* Make sure power on */
+ if (camera_plat->pwdn)
+ camera_plat->pwdn(0);
+
} else if (!on && sensor->on) {
if (analog_regulator)
regulator_disable(analog_regulator);
@@ -920,6 +947,10 @@ static int ioctl_s_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a)
enum ov3640_frame_rate frame_rate;
int ret = 0;
+ /* Make sure power on */
+ if (camera_plat->pwdn)
+ camera_plat->pwdn(0);
+
switch (a->type) {
/* This is the only case currently handled. */
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
@@ -1286,17 +1317,25 @@ static int ov3640_probe(struct i2c_client *client,
gpo_regulator = regulator_get(&client->dev,
plat_data->gpo_regulator);
if (!IS_ERR(gpo_regulator)) {
+ regulator_set_voltage(gpo_regulator,
+ OV3640_VOLTAGE_DIGITAL_GPO,
+ OV3640_VOLTAGE_DIGITAL_GPO);
if (regulator_enable(gpo_regulator) != 0) {
- pr_err("%s:gpo3 enable error\n", __func__);
+ pr_err("%s:gpo enable error\n", __func__);
goto err4;
} else {
dev_dbg(&client->dev,
- "%s:gpo3 enable ok\n", __func__);
+ "%s:gpo enable ok\n", __func__);
}
} else
gpo_regulator = NULL;
}
+ if (plat_data->pwdn)
+ plat_data->pwdn(0);
+
+ camera_plat = plat_data;
+
ov3640_int_device.priv = &ov3640_data;
retval = v4l2_int_device_register(&ov3640_int_device);
diff --git a/drivers/media/video/mxc/output/Makefile b/drivers/media/video/mxc/output/Makefile
index 1713fa3bf3ab..500442544902 100644
--- a/drivers/media/video/mxc/output/Makefile
+++ b/drivers/media/video/mxc/output/Makefile
@@ -6,6 +6,9 @@ endif
ifeq ($(CONFIG_VIDEO_MXC_IPU_OUTPUT),y)
obj-$(CONFIG_VIDEO_MXC_OUTPUT) += mxc_v4l2_output.o
endif
+ifeq ($(CONFIG_VIDEO_MXC_PXP_V4L2),y)
+ obj-$(CONFIG_VIDEO_MXC_PXP_V4L2) += mxc_pxp_v4l2.o
+endif
ifeq ($(CONFIG_VIDEO_MXC_IPUV1_WVGA_OUTPUT),y)
obj-$(CONFIG_VIDEO_MXC_OUTPUT) += mx31_v4l2_wvga_output.o
endif
diff --git a/drivers/media/video/mxc/output/mxc_v4l2_output.c b/drivers/media/video/mxc/output/mxc_v4l2_output.c
index 408f9b7871a8..b7bbfed73019 100644
--- a/drivers/media/video/mxc/output/mxc_v4l2_output.c
+++ b/drivers/media/video/mxc/output/mxc_v4l2_output.c
@@ -44,9 +44,7 @@ vout_data *g_vout;
#define LOAD_3FIELDS(vout) ((INTERLACED_CONTENT(vout)) && \
((vout)->motion_sel != HIGH_MOTION))
-#define SDC_FG_FB_FORMAT IPU_PIX_FMT_RGB565
-
-struct v4l2_output mxc_outputs[2] = {
+struct v4l2_output mxc_outputs[1] = {
{
.index = MXC_V4L2_OUT_2_SDC,
.name = "DISP3 Video Out",
@@ -54,23 +52,14 @@ struct v4l2_output mxc_outputs[2] = {
but no other choice */
.audioset = 0,
.modulator = 0,
- .std = V4L2_STD_UNKNOWN},
- {
- .index = MXC_V4L2_OUT_2_ADC,
- .name = "DISPx Video Out",
- .type = V4L2_OUTPUT_TYPE_ANALOG, /* not really correct,
- but no other choice */
- .audioset = 0,
- .modulator = 0,
.std = V4L2_STD_UNKNOWN}
};
static int video_nr = 16;
static spinlock_t g_lock = SPIN_LOCK_UNLOCKED;
static int last_index_n;
-static int last_index_c;
static unsigned int ipu_ic_out_max_width_size;
-
+static unsigned int ipu_ic_out_max_height_size;
/* debug counters */
uint32_t g_irq_cnt;
uint32_t g_buf_output_cnt;
@@ -256,10 +245,14 @@ static int select_display_buffer(vout_data *vout, int next_buf)
{
int ret = 0;
+ vout->disp_buf_num = next_buf;
if (ipu_get_cur_buffer_idx(vout->display_ch, IPU_INPUT_BUFFER)
!= next_buf)
ret = ipu_select_buffer(vout->display_ch, IPU_INPUT_BUFFER,
next_buf);
+ else
+ dev_dbg(&vout->video_dev->dev,
+ "display buffer not ready for select\n");
return ret;
}
@@ -290,110 +283,138 @@ static void setup_next_buf_timer(vout_data *vout, int index)
"timer handler next schedule: %lu\n", timeout);
}
-static int wait_for_disp_vsync(vout_data *vout)
+static int finish_previous_frame(vout_data *vout)
{
struct fb_info *fbi =
registered_fb[vout->output_fb_num[vout->cur_disp_output]];
mm_segment_t old_fs;
int ret = 0;
- /* wait for display frame finish */
- if (fbi->fbops->fb_ioctl) {
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- ret = fbi->fbops->fb_ioctl(fbi, MXCFB_WAIT_FOR_VSYNC,
- (unsigned int)NULL);
- set_fs(old_fs);
+ /* make sure buf[vout->disp_buf_num] in showing */
+ while (ipu_check_buffer_busy(vout->display_ch,
+ IPU_INPUT_BUFFER, vout->disp_buf_num)) {
+ if (fbi->fbops->fb_ioctl) {
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = fbi->fbops->fb_ioctl(fbi, MXCFB_WAIT_FOR_VSYNC,
+ (unsigned int)NULL);
+ set_fs(old_fs);
+
+ if (ret < 0) {
+ /* ic_bypass need clear display buffer ready for next update*/
+ ipu_clear_buffer_ready(vout->display_ch, IPU_INPUT_BUFFER,
+ vout->disp_buf_num);
+ }
+ }
+ }
+
+ return ret;
+}
+
+static int show_current_frame(vout_data *vout)
+{
+ struct fb_info *fbi =
+ registered_fb[vout->output_fb_num[vout->cur_disp_output]];
+ mm_segment_t old_fs;
+ int ret = 0;
+
+ /* make sure buf[vout->disp_buf_num] begin to show */
+ if (ipu_get_cur_buffer_idx(vout->display_ch, IPU_INPUT_BUFFER)
+ != vout->disp_buf_num) {
+ /* wait for display frame finish */
+ if (fbi->fbops->fb_ioctl) {
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = fbi->fbops->fb_ioctl(fbi, MXCFB_WAIT_FOR_VSYNC,
+ (unsigned int)NULL);
+ set_fs(old_fs);
+ }
}
+
return ret;
}
-static void timer_work_func(struct work_struct *work)
+static void icbypass_work_func(struct work_struct *work)
{
vout_data *vout =
- container_of(work, vout_data, timer_work);
+ container_of(work, vout_data, icbypass_work);
int index, ret;
int last_buf;
unsigned long lock_flags = 0;
- /* wait 2 first frame finish for ic bypass mode*/
- if ((g_buf_output_cnt == 0) && vout->ic_bypass) {
- wait_for_disp_vsync(vout);
- wait_for_disp_vsync(vout);
- spin_lock_irqsave(&g_lock, lock_flags);
- last_buf = vout->ipu_buf[0];
- vout->v4l2_bufs[last_buf].flags = V4L2_BUF_FLAG_DONE;
- queue_buf(&vout->done_q, last_buf);
- vout->ipu_buf[0] = -1;
- last_buf = vout->ipu_buf[1];
- vout->v4l2_bufs[last_buf].flags = V4L2_BUF_FLAG_DONE;
- queue_buf(&vout->done_q, last_buf);
- vout->ipu_buf[1] = -1;
- g_buf_output_cnt = 2;
- wake_up_interruptible(&vout->v4l_bufq);
- if (vout->state == STATE_STREAM_PAUSED) {
- index = peek_next_buf(&vout->ready_q);
- if (index != -1) {
- /* Setup timer for next buffer, when stream has been paused */
- pr_debug("next index %d\n", index);
- setup_next_buf_timer(vout, index);
- vout->state = STATE_STREAM_ON;
- }
- }
- spin_unlock_irqrestore(&g_lock, lock_flags);
- return;
- }
-
- if (wait_for_disp_vsync(vout) < 0) {
- /* ic_bypass need clear display buffer ready for next update*/
- ipu_clear_buffer_ready(vout->display_ch, IPU_INPUT_BUFFER,
- !vout->next_done_ipu_buf);
- }
+ finish_previous_frame(vout);
spin_lock_irqsave(&g_lock, lock_flags);
- if (vout->ic_bypass) {
- last_buf = vout->ipu_buf[vout->next_done_ipu_buf];
- if (last_buf != -1) {
- g_buf_output_cnt++;
- vout->v4l2_bufs[last_buf].flags = V4L2_BUF_FLAG_DONE;
- queue_buf(&vout->done_q, last_buf);
- wake_up_interruptible(&vout->v4l_bufq);
- vout->ipu_buf[vout->next_done_ipu_buf] = -1;
- vout->next_done_ipu_buf = !vout->next_done_ipu_buf;
- }
+ index = dequeue_buf(&vout->ready_q);
+ if (index == -1) { /* no buffers ready, should never occur */
+ dev_err(&vout->video_dev->dev,
+ "mxc_v4l2out: timer - no queued buffers ready\n");
+ goto exit;
}
+ g_buf_dq_cnt++;
+ vout->frame_count++;
- if (vout->ic_bypass)
- ret = select_display_buffer(vout, vout->next_rdy_ipu_buf);
- else if (LOAD_3FIELDS(vout))
- ret = ipu_select_multi_vdi_buffer(vout->next_rdy_ipu_buf);
- else
- ret = ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER,
- vout->next_rdy_ipu_buf);
+ vout->ipu_buf[vout->next_rdy_ipu_buf] = index;
+ ret = ipu_update_channel_buffer(vout->display_ch, IPU_INPUT_BUFFER,
+ vout->next_rdy_ipu_buf,
+ vout->v4l2_bufs[index].m.offset);
+ ret += select_display_buffer(vout, vout->next_rdy_ipu_buf);
if (ret < 0) {
dev_err(&vout->video_dev->dev,
- "unable to set IPU buffer ready\n");
+ "unable to update buffer %d address rc=%d\n",
+ vout->next_rdy_ipu_buf, ret);
+ goto exit;
}
+ spin_unlock_irqrestore(&g_lock, lock_flags);
+ show_current_frame(vout);
+ spin_lock_irqsave(&g_lock, lock_flags);
+ vout->next_rdy_ipu_buf = !vout->next_rdy_ipu_buf;
- /* Non IC split action */
- if (!vout->pp_split)
- vout->next_rdy_ipu_buf = !vout->next_rdy_ipu_buf;
+ last_buf = vout->ipu_buf[vout->next_done_ipu_buf];
+ if (last_buf != -1) {
+ g_buf_output_cnt++;
+ vout->v4l2_bufs[last_buf].flags = V4L2_BUF_FLAG_DONE;
+ queue_buf(&vout->done_q, last_buf);
+ wake_up_interruptible(&vout->v4l_bufq);
+ vout->ipu_buf[vout->next_done_ipu_buf] = -1;
+ vout->next_done_ipu_buf = !vout->next_done_ipu_buf;
+ }
- /* Setup timer for next buffer */
- index = peek_next_buf(&vout->ready_q);
- if (index != -1)
- setup_next_buf_timer(vout, index);
- else
- vout->state = STATE_STREAM_PAUSED;
+ if (g_buf_output_cnt > 0) {
+ /* Setup timer for next buffer */
+ index = peek_next_buf(&vout->ready_q);
+ if (index != -1)
+ setup_next_buf_timer(vout, index);
+ else
+ vout->state = STATE_STREAM_PAUSED;
+ if (vout->state == STATE_STREAM_STOPPING) {
+ if ((vout->ipu_buf[0] == -1) && (vout->ipu_buf[1] == -1)) {
+ vout->state = STATE_STREAM_OFF;
+ }
+ }
+ }
+exit:
spin_unlock_irqrestore(&g_lock, lock_flags);
+}
- if (vout->state == STATE_STREAM_STOPPING) {
- if ((vout->ipu_buf[0] == -1) && (vout->ipu_buf[1] == -1)) {
- vout->state = STATE_STREAM_OFF;
- }
+static int get_cur_fb_blank(vout_data *vout)
+{
+ struct fb_info *fbi =
+ registered_fb[vout->output_fb_num[vout->cur_disp_output]];
+ mm_segment_t old_fs;
+ int ret = 0;
+
+ if (fbi->fbops->fb_ioctl) {
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ ret = fbi->fbops->fb_ioctl(fbi, MXCFB_GET_FB_BLANK,
+ (unsigned int)(&vout->fb_blank));
+ set_fs(old_fs);
}
+
+ return ret;
}
static void mxc_v4l2out_timer_handler(unsigned long arg)
@@ -401,13 +422,13 @@ static void mxc_v4l2out_timer_handler(unsigned long arg)
int index, ret;
unsigned long lock_flags = 0;
vout_data *vout = (vout_data *) arg;
- unsigned int aid_field_offset = 0, current_field_offset = 0;
spin_lock_irqsave(&g_lock, lock_flags);
if ((vout->state == STATE_STREAM_STOPPING)
|| (vout->state == STATE_STREAM_OFF))
goto exit0;
+
/*
* If timer occurs before IPU h/w is ready, then set the state to
* paused and the timer will be set again when next buffer is queued
@@ -419,98 +440,92 @@ static void mxc_v4l2out_timer_handler(unsigned long arg)
goto exit0;
}
- /* Dequeue buffer and pass to IPU */
- if (INTERLACED_CONTENT(vout)) {
- if (((LOAD_3FIELDS(vout)) && (vout->next_rdy_ipu_buf)) ||
- ((!LOAD_3FIELDS(vout)) && !(vout->next_rdy_ipu_buf))) {
- aid_field_offset = vout->bytesperline;
- current_field_offset = 0;
- index = last_index_n;
- } else {
- aid_field_offset = 0;
- current_field_offset = vout->bytesperline;
- index = dequeue_buf(&vout->ready_q);
- if (index == -1) { /* no buffers ready, should never occur */
- dev_err(&vout->video_dev->dev,
- "mxc_v4l2out: timer - no queued buffers ready\n");
- goto exit0;
- }
- g_buf_dq_cnt++;
- vout->frame_count++;
- last_index_n = index;
- }
- } else {
- current_field_offset = 0;
- index = dequeue_buf(&vout->ready_q);
- if (index == -1) { /* no buffers ready, should never occur */
+ /* VDI need both buffer done before update buffer? */
+ if (INTERLACED_CONTENT(vout) &&
+ (vout->ipu_buf[!vout->next_rdy_ipu_buf] != -1)) {
+ dev_dbg(&vout->video_dev->dev, "IPU buffer busy\n");
+ vout->state = STATE_STREAM_PAUSED;
+ goto exit0;
+ }
+
+ /* Handle ic bypass mode in work queue */
+ if (vout->ic_bypass) {
+ if (queue_work(vout->v4l_wq, &vout->icbypass_work) == 0) {
dev_err(&vout->video_dev->dev,
- "mxc_v4l2out: timer - no queued buffers ready\n");
- goto exit0;
+ "ic bypass work was in queue already!\n ");
+ vout->state = STATE_STREAM_PAUSED;
}
- g_buf_dq_cnt++;
- vout->frame_count++;
+ goto exit0;
+ } else if (!vout->fb_blank &&
+ (ipu_get_cur_buffer_idx(vout->display_ch, IPU_INPUT_BUFFER)
+ == vout->next_disp_ipu_buf)) {
+ dev_dbg(&vout->video_dev->dev, "IPU disp busy\n");
+ get_cur_fb_blank(vout);
+ index = peek_next_buf(&vout->ready_q);
+ setup_next_buf_timer(vout, index);
+ goto exit0;
}
+ vout->fb_blank = 0;
+
+ /* Dequeue buffer and pass to IPU */
+ index = dequeue_buf(&vout->ready_q);
+ if (index == -1) { /* no buffers ready, should never occur */
+ dev_err(&vout->video_dev->dev,
+ "mxc_v4l2out: timer - no queued buffers ready\n");
+ goto exit0;
+ }
+ g_buf_dq_cnt++;
+ vout->frame_count++;
/* update next buffer */
- if (vout->ic_bypass) {
+ if (LOAD_3FIELDS(vout)) {
+ int index_n = index;
+ int index_p = last_index_n;
+ vout->ipu_buf_p[vout->next_rdy_ipu_buf] = last_index_n;
vout->ipu_buf[vout->next_rdy_ipu_buf] = index;
- ret = ipu_update_channel_buffer(vout->display_ch, IPU_INPUT_BUFFER,
- vout->next_rdy_ipu_buf,
- vout->v4l2_bufs[index].m.offset);
+ vout->ipu_buf_n[vout->next_rdy_ipu_buf] = index;
+ ret = ipu_update_channel_buffer(vout->post_proc_ch,
+ IPU_INPUT_BUFFER,
+ vout->next_rdy_ipu_buf,
+ vout->v4l2_bufs[index].m.offset);
+ ret += ipu_update_channel_buffer(MEM_VDI_PRP_VF_MEM_P,
+ IPU_INPUT_BUFFER,
+ vout->next_rdy_ipu_buf,
+ vout->v4l2_bufs[index_p].m.offset + vout->bytesperline);
+ ret += ipu_update_channel_buffer(MEM_VDI_PRP_VF_MEM_N,
+ IPU_INPUT_BUFFER,
+ vout->next_rdy_ipu_buf,
+ vout->v4l2_bufs[index_n].m.offset) + vout->bytesperline;
+ last_index_n = index;
} else {
- if (LOAD_3FIELDS(vout)) {
- int index_n = index;
- int index_p = last_index_c;
- index = last_index_n;
- vout->ipu_buf_p[vout->next_rdy_ipu_buf] = index_p;
- vout->ipu_buf[vout->next_rdy_ipu_buf] = last_index_c = index;
- vout->ipu_buf_n[vout->next_rdy_ipu_buf] = last_index_n = index_n;
- last_index_n = vout->ipu_buf_n[vout->next_rdy_ipu_buf];
- last_index_c = vout->ipu_buf[vout->next_rdy_ipu_buf];
+ vout->ipu_buf[vout->next_rdy_ipu_buf] = index;
+ if (vout->pp_split) {
+ vout->ipu_buf[!vout->next_rdy_ipu_buf] = index;
+ /* always left stripe */
ret = ipu_update_channel_buffer(vout->post_proc_ch,
- IPU_INPUT_BUFFER,
- vout->next_rdy_ipu_buf,
- vout->v4l2_bufs[index].m.offset+current_field_offset);
- ret += ipu_update_channel_buffer(MEM_VDI_PRP_VF_MEM_P,
- IPU_INPUT_BUFFER,
- vout->next_rdy_ipu_buf,
- vout->v4l2_bufs[index_p].m.offset+aid_field_offset);
- ret += ipu_update_channel_buffer(MEM_VDI_PRP_VF_MEM_N,
- IPU_INPUT_BUFFER,
- vout->next_rdy_ipu_buf,
- vout->v4l2_bufs[index_n].m.offset+aid_field_offset);
- } else {
- vout->ipu_buf[vout->next_rdy_ipu_buf] = index;
- if (vout->pp_split) {
- vout->ipu_buf[!vout->next_rdy_ipu_buf] = index;
- /* always left stripe */
- ret = ipu_update_channel_buffer(vout->post_proc_ch,
- IPU_INPUT_BUFFER,
- 0,/* vout->next_rdy_ipu_buf,*/
- (vout->v4l2_bufs[index].m.offset) +
- vout->pp_left_stripe.input_column +
- current_field_offset);
-
- /* the U/V offset has to be updated inside of IDMAC */
- /* according to stripe offset */
- ret += ipu_update_channel_offset(vout->post_proc_ch,
- IPU_INPUT_BUFFER,
- vout->v2f.fmt.pix.pixelformat,
- vout->v2f.fmt.pix.width,
- vout->v2f.fmt.pix.height,
- vout->bytesperline,
- vout->offset.u_offset,
- vout->offset.v_offset,
- 0,
- vout->pp_left_stripe.input_column + current_field_offset);
-
- } else
- ret = ipu_update_channel_buffer(vout->post_proc_ch,
- IPU_INPUT_BUFFER,
- vout->next_rdy_ipu_buf,
- vout->v4l2_bufs[index].m.offset +
- current_field_offset);
- }
+ IPU_INPUT_BUFFER,
+ 0,/* vout->next_rdy_ipu_buf,*/
+ (vout->v4l2_bufs[index].m.offset) +
+ vout->pp_left_stripe.input_column +
+ vout->pp_up_stripe.input_column * vout->bytesperline);
+
+ /* the U/V offset has to be updated inside of IDMAC */
+ /* according to stripe offset */
+ ret += ipu_update_channel_offset(vout->post_proc_ch,
+ IPU_INPUT_BUFFER,
+ vout->v2f.fmt.pix.pixelformat,
+ vout->v2f.fmt.pix.width,
+ vout->v2f.fmt.pix.height,
+ vout->bytesperline,
+ vout->offset.u_offset,
+ vout->offset.v_offset,
+ vout->pp_up_stripe.input_column,
+ vout->pp_left_stripe.input_column);
+ } else
+ ret = ipu_update_channel_buffer(vout->post_proc_ch,
+ IPU_INPUT_BUFFER,
+ vout->next_rdy_ipu_buf,
+ vout->v4l2_bufs[index].m.offset);
}
if (ret < 0) {
@@ -521,9 +536,35 @@ static void mxc_v4l2out_timer_handler(unsigned long arg)
}
/* set next buffer ready */
- if (queue_work(vout->v4l_wq, &vout->timer_work) == 0) {
- dev_err(&vout->video_dev->dev, "work was in queue already!\n ");
+ if (LOAD_3FIELDS(vout))
+ ret = ipu_select_multi_vdi_buffer(vout->next_rdy_ipu_buf);
+ else
+ ret = ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER,
+ vout->next_rdy_ipu_buf);
+ if (ret < 0) {
+ dev_err(&vout->video_dev->dev,
+ "unable to set IPU buffer ready\n");
+ goto exit0;
+ }
+
+ /* Split mode use buf 0 only, no need swith buf */
+ if (!vout->pp_split)
+ vout->next_rdy_ipu_buf = !vout->next_rdy_ipu_buf;
+
+ /* Always assume display in double buffers */
+ vout->next_disp_ipu_buf = !vout->next_disp_ipu_buf;
+
+ /* Setup timer for next buffer */
+ index = peek_next_buf(&vout->ready_q);
+ if (index != -1)
+ setup_next_buf_timer(vout, index);
+ else
vout->state = STATE_STREAM_PAUSED;
+
+ if (vout->state == STATE_STREAM_STOPPING) {
+ if ((vout->ipu_buf[0] == -1) && (vout->ipu_buf[1] == -1)) {
+ vout->state = STATE_STREAM_OFF;
+ }
}
spin_unlock_irqrestore(&g_lock, lock_flags);
@@ -540,12 +581,15 @@ static irqreturn_t mxc_v4l2out_work_irq_handler(int irq, void *dev_id)
int index;
unsigned long lock_flags = 0;
vout_data *vout = dev_id;
- int pp_out_buf_num = 0;
+ int pp_out_buf_left_right = 0;
int disp_buf_num = 0;
int disp_buf_num_next = 1;
+ int local_buffer = 0;
int pp_out_buf_offset = 0;
+ int pp_out_buf_up_down = 0;
int release_buffer = 0;
- u32 eba_offset;
+ u32 eba_offset = 0;
+ u32 vertical_offset = 0;
u16 x_pos;
u16 y_pos;
int ret = -1;
@@ -563,17 +607,37 @@ static irqreturn_t mxc_v4l2out_work_irq_handler(int irq, void *dev_id)
if (last_buf != -1) {
/* If IC split mode on, update output buffer number */
if (vout->pp_split) {
- pp_out_buf_num = vout->pp_split_buf_num & 1;/* left/right stripe */
- disp_buf_num = vout->pp_split_buf_num >> 1;
- disp_buf_num_next = ((vout->pp_split_buf_num+2) & 3) >> 1;
- if (!pp_out_buf_num) {/* next buffer is right stripe*/
- eba_offset = vout->pp_right_stripe.input_column;/*always right stripe*/
+ pp_out_buf_up_down = vout->pp_split_buf_num & 1;/* left/right stripe */
+ pp_out_buf_left_right = (vout->pp_split_buf_num >> 1) & 1; /* up/down */
+ local_buffer = (vout->pp_split == 1) ? pp_out_buf_up_down :
+ pp_out_buf_left_right;
+ disp_buf_num = vout->pp_split_buf_num >> 2;
+ disp_buf_num_next =
+ ((vout->pp_split_buf_num + (vout->pp_split << 0x1)) & 7) >> 2;
+ if ((!pp_out_buf_left_right) ||
+ ((!pp_out_buf_up_down) && (vout->pp_split == 1))) {
+ if (vout->pp_split == 1) {
+ eba_offset = ((pp_out_buf_left_right + pp_out_buf_up_down) & 1) ?
+ vout->pp_right_stripe.input_column :
+ vout->pp_left_stripe.input_column;
+ vertical_offset = pp_out_buf_up_down ?
+ vout->pp_up_stripe.input_column :
+ vout->pp_down_stripe.input_column;
+
+ } else {
+ eba_offset = pp_out_buf_left_right ?
+ vout->pp_left_stripe.input_column :
+ vout->pp_right_stripe.input_column;
+ vertical_offset = pp_out_buf_left_right ?
+ vout->pp_up_stripe.input_column :
+ vout->pp_down_stripe.input_column;
+ }
+
ret = ipu_update_channel_buffer(vout->post_proc_ch,
IPU_INPUT_BUFFER,
- 1, /* right stripe */
+ (1 - local_buffer),
(vout->v4l2_bufs[vout->ipu_buf[disp_buf_num]].m.offset)
- + eba_offset);
-
+ + eba_offset + vertical_offset * vout->bytesperline);
ret += ipu_update_channel_offset(vout->post_proc_ch,
IPU_INPUT_BUFFER,
vout->v2f.fmt.pix.pixelformat,
@@ -582,68 +646,78 @@ static irqreturn_t mxc_v4l2out_work_irq_handler(int irq, void *dev_id)
vout->bytesperline,
vout->offset.u_offset,
vout->offset.v_offset,
- 0,
- vout->pp_right_stripe.input_column);
+ vertical_offset,
+ eba_offset);
/* select right stripe */
- ret += ipu_select_buffer(vout->post_proc_ch,
- IPU_INPUT_BUFFER, 1);
+ ret += ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER,
+ (1 - local_buffer));
if (ret < 0)
dev_err(&vout->video_dev->dev,
"unable to set IPU buffer ready\n");
+ }
- vout->ipu_buf[vout->next_done_ipu_buf] = -1;
- vout->next_done_ipu_buf = !vout->next_done_ipu_buf;
+ /* offset for next buffer's EBA */
+ eba_offset = 0;
+ if (vout->pp_split == 1) {
+ pp_out_buf_offset = ((vout->pp_split_buf_num >> 1) & 1) ?
+ vout->pp_left_stripe.output_column :
+ vout->pp_right_stripe.output_column;
- } else /* right stripe is done, run display refresh */
- select_display_buffer(vout, disp_buf_num);
+ eba_offset = ((vout->pp_split_buf_num & 1) ?
+ vout->pp_down_stripe.output_column :
+ vout->pp_up_stripe.output_column);
- vout->next_rdy_ipu_buf = !vout->next_rdy_ipu_buf;
+ } else {
+ pp_out_buf_offset = ((vout->pp_split_buf_num >> 1) & 1) ?
+ vout->pp_right_stripe.output_column :
+ vout->pp_left_stripe.output_column;
+ eba_offset = ((vout->pp_split_buf_num >> 1) & 1) ?
+ vout->pp_down_stripe.output_column :
+ vout->pp_up_stripe.output_column;
+ }
- /* offset for next buffer's EBA */
- pp_out_buf_offset = pp_out_buf_num ? vout->pp_right_stripe.output_column :
- vout->pp_left_stripe.output_column;
- eba_offset = 0;
if (vout->cur_disp_output == 5) {
x_pos = (vout->crop_current.left / 8) * 8;
y_pos = vout->crop_current.top;
- eba_offset = (vout->xres * y_pos + x_pos) * vout->bpp / 8;
+ eba_offset += (vout->xres * y_pos + x_pos) * vout->bpp / 8;
}
+
/* next buffer update */
eba_offset = vout->display_bufs[disp_buf_num_next] +
- pp_out_buf_offset + eba_offset;
+ pp_out_buf_offset + eba_offset;
ipu_update_channel_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER,
- pp_out_buf_num, eba_offset);
+ local_buffer, eba_offset);
/* next buffer ready */
- ret = ipu_select_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER, pp_out_buf_num);
+ ret = ipu_select_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER, local_buffer);
- /* next stripe_buffer index 0..3 */
- vout->pp_split_buf_num = (vout->pp_split_buf_num + 1) & 3;
+ /* next stripe_buffer index 0..7 */
+ vout->pp_split_buf_num = (vout->pp_split_buf_num + vout->pp_split) & 0x7;
} else {
- /* show to display */
- select_display_buffer(vout, vout->next_done_ipu_buf);
+ disp_buf_num = vout->next_done_ipu_buf;
ret += ipu_select_buffer(vout->display_input_ch, IPU_OUTPUT_BUFFER,
vout->next_done_ipu_buf);
}
/* release buffer. For split mode: if second stripe is done */
- release_buffer = vout->pp_split ? pp_out_buf_num : 1;
+ release_buffer = vout->pp_split ? (!(vout->pp_split_buf_num & 0x3)) : 1;
if (release_buffer) {
- if ((!INTERLACED_CONTENT(vout)) || (vout->next_done_ipu_buf)) {
- g_buf_output_cnt++;
- vout->v4l2_bufs[last_buf].flags = V4L2_BUF_FLAG_DONE;
- queue_buf(&vout->done_q, last_buf);
- wake_up_interruptible(&vout->v4l_bufq);
- }
+ select_display_buffer(vout, disp_buf_num);
+ g_buf_output_cnt++;
+ vout->v4l2_bufs[last_buf].flags = V4L2_BUF_FLAG_DONE;
+ queue_buf(&vout->done_q, last_buf);
+ wake_up_interruptible(&vout->v4l_bufq);
vout->ipu_buf[vout->next_done_ipu_buf] = -1;
if (LOAD_3FIELDS(vout)) {
vout->ipu_buf_p[vout->next_done_ipu_buf] = -1;
vout->ipu_buf_n[vout->next_done_ipu_buf] = -1;
}
- vout->next_done_ipu_buf = !vout->next_done_ipu_buf;
+ /* split mode use buf 0 only, no need switch buf */
+ if (!vout->pp_split)
+ vout->next_done_ipu_buf = !vout->next_done_ipu_buf;
}
} /* end of last_buf != -1 */
@@ -702,7 +776,6 @@ static int init_VDI_channel(vout_data *vout, ipu_channel_params_t params)
static int init_VDI_in_channel_buffer(vout_data *vout, uint32_t in_pixel_fmt,
uint16_t in_width, uint16_t in_height,
uint32_t stride,
- dma_addr_t phyaddr_0, dma_addr_t phyaddr_1,
uint32_t u_offset, uint32_t v_offset)
{
struct device *dev = &vout->video_dev->dev;
@@ -710,7 +783,7 @@ static int init_VDI_in_channel_buffer(vout_data *vout, uint32_t in_pixel_fmt,
if (ipu_init_channel_buffer(MEM_VDI_PRP_VF_MEM, IPU_INPUT_BUFFER,
in_pixel_fmt, in_width, in_height, stride,
IPU_ROTATE_NONE,
- vout->v4l2_bufs[vout->ipu_buf[0]].m.offset+vout->bytesperline,
+ vout->v4l2_bufs[vout->ipu_buf[0]].m.offset,
vout->v4l2_bufs[vout->ipu_buf[0]].m.offset,
u_offset, v_offset) != 0) {
dev_err(dev, "Error initializing VDI current input buffer\n");
@@ -721,7 +794,7 @@ static int init_VDI_in_channel_buffer(vout_data *vout, uint32_t in_pixel_fmt,
IPU_INPUT_BUFFER,
in_pixel_fmt, in_width, in_height,
stride, IPU_ROTATE_NONE,
- vout->v4l2_bufs[vout->ipu_buf_p[0]].m.offset,
+ vout->v4l2_bufs[vout->ipu_buf_p[0]].m.offset+vout->bytesperline,
vout->v4l2_bufs[vout->ipu_buf_p[0]].m.offset+vout->bytesperline,
u_offset, v_offset) != 0) {
dev_err(dev, "Error initializing VDI previous input buffer\n");
@@ -731,7 +804,7 @@ static int init_VDI_in_channel_buffer(vout_data *vout, uint32_t in_pixel_fmt,
IPU_INPUT_BUFFER,
in_pixel_fmt, in_width, in_height,
stride, IPU_ROTATE_NONE,
- vout->v4l2_bufs[vout->ipu_buf_n[0]].m.offset,
+ vout->v4l2_bufs[vout->ipu_buf_n[0]].m.offset+vout->bytesperline,
vout->v4l2_bufs[vout->ipu_buf_n[0]].m.offset+vout->bytesperline,
u_offset, v_offset) != 0) {
dev_err(dev, "Error initializing VDI next input buffer\n");
@@ -759,10 +832,7 @@ static int init_VDI(ipu_channel_params_t params, vout_data *vout,
params.mem_prp_vf_mem.in_pixel_fmt = vout->v2f.fmt.pix.pixelformat;
params.mem_prp_vf_mem.out_width = out_width;
params.mem_prp_vf_mem.out_height = out_height;
- if (vout->display_ch == ADC_SYS2)
- params.mem_prp_vf_mem.out_pixel_fmt = SDC_FG_FB_FORMAT;
- else
- params.mem_prp_vf_mem.out_pixel_fmt = bpp_to_fmt(fbi);
+ params.mem_prp_vf_mem.out_pixel_fmt = bpp_to_fmt(fbi);
if (init_VDI_channel(vout, params) != 0) {
dev_err(dev, "Error init_VDI_channel channel\n");
@@ -775,8 +845,6 @@ static int init_VDI(ipu_channel_params_t params, vout_data *vout,
params.mem_prp_vf_mem.in_height,
bytes_per_pixel(params.mem_prp_vf_mem.
in_pixel_fmt),
- vout->v4l2_bufs[vout->ipu_buf[0]].m.offset,
- vout->v4l2_bufs[vout->ipu_buf[1]].m.offset,
vout->offset.u_offset,
vout->offset.v_offset) != 0) {
return -EINVAL;
@@ -805,7 +873,6 @@ static int init_VDI(ipu_channel_params_t params, vout_data *vout,
dev_err(dev, "Error initializing PRP output buffer\n");
return -EINVAL;
}
-
if (ipu_init_channel(MEM_ROT_VF_MEM, NULL) != 0) {
dev_err(dev, "Error initializing PP ROT channel\n");
return -EINVAL;
@@ -883,14 +950,14 @@ static int init_PP(ipu_channel_params_t *params, vout_data *vout,
u32 eba_offset;
u16 x_pos;
u16 y_pos;
+ dma_addr_t phy_addr0;
+ dma_addr_t phy_addr1;
+
eba_offset = 0;
x_pos = 0;
y_pos = 0;
- if (vout->display_ch == ADC_SYS2)
- params->mem_pp_mem.out_pixel_fmt = SDC_FG_FB_FORMAT;
- else
- params->mem_pp_mem.out_pixel_fmt = bpp_to_fmt(fbi);
+ params->mem_pp_mem.out_pixel_fmt = bpp_to_fmt(fbi);
if (vout->cur_disp_output == 5) {
x_pos = (vout->crop_current.left / 8) * 8;
@@ -907,37 +974,66 @@ static int init_PP(ipu_channel_params_t *params, vout_data *vout,
params->mem_pp_mem.in_pixel_fmt = vout->v2f.fmt.pix.pixelformat;
params->mem_pp_mem.out_width = out_width;
params->mem_pp_mem.out_height = out_height;
- params->mem_pp_mem.out_resize_ratio = 0; /* 0 means unused */
-
+ params->mem_pp_mem.outh_resize_ratio = 0; /* 0 means unused */
+ params->mem_pp_mem.outv_resize_ratio = 0; /* 0 means unused */
/* split IC by two stripes, the by pass is impossible*/
if (vout->pp_split) {
- ipu_calc_stripes_sizes(
- params->mem_pp_mem.in_width, /* input frame width;>1 */
- params->mem_pp_mem.out_width, /* output frame width; >1 */
- ipu_ic_out_max_width_size,
- (((unsigned long long)1) << 32), /* 32bit for fractional*/
- 1, /* equal stripes */
- params->mem_pp_mem.in_pixel_fmt,
- params->mem_pp_mem.out_pixel_fmt,
- &(vout->pp_left_stripe),
- &(vout->pp_right_stripe));
-
- vout->pp_left_stripe.input_column = vout->pp_left_stripe.input_column *
+ vout->pp_left_stripe.input_column = 0;
+ vout->pp_left_stripe.output_column = 0;
+ vout->pp_right_stripe.input_column = 0;
+ vout->pp_right_stripe.output_column = 0;
+ vout->pp_up_stripe.input_column = 0;
+ vout->pp_up_stripe.output_column = 0;
+ vout->pp_down_stripe.input_column = 0;
+ vout->pp_down_stripe.output_column = 0;
+ if (vout->pp_split != 3) {
+ ipu_calc_stripes_sizes(
+ params->mem_pp_mem.in_width, /* input frame width;>1 */
+ params->mem_pp_mem.out_width, /* output frame width; >1 */
+ ipu_ic_out_max_width_size,
+ (((unsigned long long)1) << 32), /* 32bit for fractional*/
+ 1, /* equal stripes */
+ params->mem_pp_mem.in_pixel_fmt,
+ params->mem_pp_mem.out_pixel_fmt,
+ &(vout->pp_left_stripe),
+ &(vout->pp_right_stripe));
+
+ vout->pp_left_stripe.input_column = vout->pp_left_stripe.input_column *
fmt_to_bpp(vout->v2f.fmt.pix.pixelformat) / 8;
- vout->pp_left_stripe.output_column = vout->pp_left_stripe.output_column *
+ vout->pp_left_stripe.output_column = vout->pp_left_stripe.output_column *
fmt_to_bpp(params->mem_pp_mem.out_pixel_fmt) / 8;
- vout->pp_right_stripe.input_column = vout->pp_right_stripe.input_column *
+ vout->pp_right_stripe.input_column = vout->pp_right_stripe.input_column *
fmt_to_bpp(vout->v2f.fmt.pix.pixelformat) / 8;
- vout->pp_right_stripe.output_column = vout->pp_right_stripe.output_column *
+ vout->pp_right_stripe.output_column = vout->pp_right_stripe.output_column *
fmt_to_bpp(params->mem_pp_mem.out_pixel_fmt) / 8;
+
/* updare parameters */
params->mem_pp_mem.in_width = vout->pp_left_stripe.input_width;
params->mem_pp_mem.out_width = vout->pp_left_stripe.output_width;
out_width = vout->pp_left_stripe.output_width;
/* for using in ic_init*/
- params->mem_pp_mem.out_resize_ratio = vout->pp_left_stripe.irr;
-
+ params->mem_pp_mem.outh_resize_ratio = vout->pp_left_stripe.irr;
+ }
+ if (vout->pp_split != 2) {
+ ipu_calc_stripes_sizes(
+ params->mem_pp_mem.in_height, /* input frame width;>1 */
+ params->mem_pp_mem.out_height, /* output frame width; >1 */
+ ipu_ic_out_max_height_size,
+ (((unsigned long long)1) << 32),/* 32bit for fractional */
+ 1, /* equal stripes */
+ params->mem_pp_mem.in_pixel_fmt,
+ params->mem_pp_mem.out_pixel_fmt,
+ &(vout->pp_up_stripe),
+ &(vout->pp_down_stripe));
+ vout->pp_down_stripe.output_column = vout->pp_down_stripe.output_column * out_stride;
+ vout->pp_up_stripe.output_column = vout->pp_up_stripe.output_column * out_stride;
+ params->mem_pp_mem.outv_resize_ratio = vout->pp_up_stripe.irr;
+ params->mem_pp_mem.in_height = vout->pp_up_stripe.input_width;/*height*/
+ out_height = vout->pp_up_stripe.output_width;/*height*/
+ if (vout->pp_split == 3)
+ vout->pp_split = 2;/*2 vertical stripe as two horizontal stripes */
+ }
vout->pp_split_buf_num = 0;
}
@@ -946,6 +1042,12 @@ static int init_PP(ipu_channel_params_t *params, vout_data *vout,
return -EINVAL;
}
+ /* always enable double buffer */
+ phy_addr0 = vout->v4l2_bufs[vout->ipu_buf[0]].m.offset;
+ if (vout->ipu_buf[1] == -1)
+ phy_addr1 = phy_addr0;
+ else
+ phy_addr1 = vout->v4l2_bufs[vout->ipu_buf[1]].m.offset;
if (ipu_init_channel_buffer(vout->post_proc_ch,
IPU_INPUT_BUFFER,
params->mem_pp_mem.in_pixel_fmt,
@@ -955,8 +1057,8 @@ static int init_PP(ipu_channel_params_t *params, vout_data *vout,
bytes_per_pixel(params->mem_pp_mem.
in_pixel_fmt),
IPU_ROTATE_NONE,
- vout->v4l2_bufs[vout->ipu_buf[0]].m.offset,
- vout->v4l2_bufs[vout->ipu_buf[1]].m.offset,
+ phy_addr0,
+ phy_addr1,
vout->offset.u_offset,
vout->offset.v_offset) != 0) {
dev_err(dev, "Error initializing PP input buffer\n");
@@ -1048,20 +1150,27 @@ static int init_PP(ipu_channel_params_t *params, vout_data *vout,
ipu_update_channel_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER,
0,
vout->v4l2_bufs[vout->ipu_buf[0]].m.offset +
- vout->pp_left_stripe.input_column);
+ vout->pp_left_stripe.input_column +
+ vout->pp_up_stripe.input_column * vout->bytesperline);
+
+
ipu_update_channel_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER,
1,
vout->v4l2_bufs[vout->ipu_buf[0]].m.offset +
- vout->pp_right_stripe.input_column);
+ vout->pp_right_stripe.input_column +
+ vout->pp_up_stripe.input_column * vout->bytesperline);
+
ipu_update_channel_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER,
0,
vout->display_bufs[0] + eba_offset +
- vout->pp_left_stripe.output_column);
+ vout->pp_left_stripe.output_column +
+ vout->pp_up_stripe.output_column);
ipu_update_channel_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER,
1,
vout->display_bufs[0] + eba_offset +
- vout->pp_right_stripe.output_column);
+ vout->pp_right_stripe.output_column +
+ vout->pp_up_stripe.output_column);
}
return 0;
@@ -1084,8 +1193,8 @@ static int mxc_v4l2out_streamon(vout_data * vout)
registered_fb[vout->output_fb_num[vout->cur_disp_output]];
u16 out_width;
u16 out_height;
- bool use_direct_adc = false;
mm_segment_t old_fs;
+ unsigned int ipu_ch = CHAN_NONE;
int rc = 0;
dev_dbg(dev, "mxc_v4l2out_streamon: field format=%d\n",
@@ -1107,241 +1216,132 @@ static int mxc_v4l2out_streamon(vout_data * vout)
return -EINVAL;
}
+ /*
+ * params init, check whether operation exceed the IC limitation:
+ * whether split mode used ( ipu version >= ipuv3 only)
+ */
g_irq_cnt = g_buf_output_cnt = g_buf_q_cnt = g_buf_dq_cnt = 0;
out_width = vout->crop_current.width;
out_height = vout->crop_current.height;
+ vout->disp_buf_num = 0;
vout->next_done_ipu_buf = 0;
- vout->next_rdy_ipu_buf = 1;
+ vout->next_rdy_ipu_buf = vout->next_disp_ipu_buf = 1;
+ vout->fb_blank = 0;
vout->pp_split = 0;
-
- if (!INTERLACED_CONTENT(vout)) {
- vout->next_done_ipu_buf = vout->next_rdy_ipu_buf = 0;
- vout->ipu_buf[0] = dequeue_buf(&vout->ready_q);
+ ipu_ic_out_max_height_size = 1024;
#ifdef CONFIG_MXC_IPU_V1
+ if (cpu_is_mx35())
ipu_ic_out_max_width_size = 800;
+ else
+ ipu_ic_out_max_width_size = 720;
#else
- ipu_ic_out_max_width_size = 1024;
+ ipu_ic_out_max_width_size = 1024;
#endif
+ if ((out_width > ipu_ic_out_max_width_size) ||
+ (out_height > ipu_ic_out_max_height_size))
+ vout->pp_split = 4;
+ if (!INTERLACED_CONTENT(vout)) {
+ vout->ipu_buf[0] = dequeue_buf(&vout->ready_q);
/* split IC by two stripes, the by pass is impossible*/
if ((out_width != vout->v2f.fmt.pix.width ||
out_height != vout->v2f.fmt.pix.height) &&
- out_width > ipu_ic_out_max_width_size) {
- vout->pp_split = 1;
+ vout->pp_split) {
+ vout->next_done_ipu_buf = vout->next_rdy_ipu_buf = 0;
vout->ipu_buf[1] = vout->ipu_buf[0];
vout->frame_count = 1;
+ if ((out_width > ipu_ic_out_max_width_size) &&
+ (out_height > ipu_ic_out_max_height_size))
+ vout->pp_split = 1; /*4 stripes*/
+ else if (!(out_height > ipu_ic_out_max_height_size))
+ vout->pp_split = 2; /*two horizontal stripes */
+ else
+ vout->pp_split = 3; /*2 vertical stripes*/
} else {
- vout->ipu_buf[1] = dequeue_buf(&vout->ready_q);
- vout->frame_count = 2;
+ vout->ipu_buf[1] = -1;
+ vout->frame_count = 1;
}
} else if (!LOAD_3FIELDS(vout)) {
vout->ipu_buf[0] = dequeue_buf(&vout->ready_q);
vout->ipu_buf[1] = -1;
vout->frame_count = 1;
- last_index_n = vout->ipu_buf[0];
} else {
vout->ipu_buf_p[0] = dequeue_buf(&vout->ready_q);
- vout->ipu_buf[0] = vout->ipu_buf_p[0];
- vout->ipu_buf_n[0] = dequeue_buf(&vout->ready_q);
+ vout->ipu_buf[0] = dequeue_buf(&vout->ready_q);
+ vout->ipu_buf_n[0] = vout->ipu_buf[0];
vout->ipu_buf_p[1] = -1;
vout->ipu_buf[1] = -1;
vout->ipu_buf_n[1] = -1;
- last_index_c = vout->ipu_buf[0];
last_index_n = vout->ipu_buf_n[0];
vout->frame_count = 2;
}
- /* Init Display Channel */
-#ifdef CONFIG_FB_MXC_ASYNC_PANEL
- if (vout->cur_disp_output < DISP3) {
- vout->work_irq = IPU_IRQ_PP_IN_EOF;
- ipu_clear_irq(vout->work_irq);
- ipu_request_irq(vout->work_irq,
- mxc_v4l2out_work_irq_handler,
- 0, vout->video_dev->name, vout);
- mxcfb_set_refresh_mode(fbi, MXCFB_REFRESH_OFF, 0);
- fbi = NULL;
- if (ipu_can_rotate_in_place(vout->rotate)) {
- dev_dbg(dev, "Using PP direct to ADC channel\n");
- use_direct_adc = true;
- vout->display_ch = MEM_PP_ADC;
- vout->post_proc_ch = MEM_PP_ADC;
-
- memset(&params, 0, sizeof(params));
- params.mem_pp_adc.in_width = vout->v2f.fmt.pix.width;
- params.mem_pp_adc.in_height = vout->v2f.fmt.pix.height;
- params.mem_pp_adc.in_pixel_fmt =
- vout->v2f.fmt.pix.pixelformat;
- params.mem_pp_adc.out_width = out_width;
- params.mem_pp_adc.out_height = out_height;
- params.mem_pp_adc.out_pixel_fmt = SDC_FG_FB_FORMAT;
-#ifdef CONFIG_FB_MXC_EPSON_PANEL
- params.mem_pp_adc.out_left =
- 2 + vout->crop_current.left;
-#else
- params.mem_pp_adc.out_left =
- 12 + vout->crop_current.left;
-#endif
- params.mem_pp_adc.out_top = vout->crop_current.top;
- if (ipu_init_channel(vout->post_proc_ch, &params) != 0) {
- dev_err(dev, "Error initializing PP chan\n");
- return -EINVAL;
- }
- if (ipu_init_channel_buffer(vout->post_proc_ch,
- IPU_INPUT_BUFFER,
- params.mem_pp_adc.
- in_pixel_fmt,
- params.mem_pp_adc.in_width,
- params.mem_pp_adc.in_height,
- vout->v2f.fmt.pix.
- bytesperline /
- bytes_per_pixel(params.
- mem_pp_adc.
- in_pixel_fmt),
- vout->rotate,
- vout->v4l2_bufs[vout->ipu_buf[0]].m.offset,
- vout->v4l2_bufs[vout->ipu_buf[1]].m.offset,
- vout->offset.u_offset,
- vout->offset.v_offset) !=
- 0) {
- dev_err(dev, "Error initializing PP in buf\n");
- return -EINVAL;
- }
-
- if (ipu_init_channel_buffer(vout->post_proc_ch,
- IPU_OUTPUT_BUFFER,
- params.mem_pp_adc.
- out_pixel_fmt, out_width,
- out_height, out_width,
- vout->rotate, 0, 0, 0,
- 0) != 0) {
- dev_err(dev,
- "Error initializing PP output buffer\n");
- return -EINVAL;
- }
-
- } else {
- dev_dbg(dev, "Using ADC SYS2 channel\n");
- vout->display_ch = ADC_SYS2;
- vout->post_proc_ch = MEM_PP_MEM;
-
- if (vout->display_bufs[0]) {
- mxc_free_buffers(vout->display_bufs,
- vout->display_bufs_vaddr,
- 2, vout->display_buf_size);
- }
-
- vout->display_buf_size = vout->crop_current.width *
- vout->crop_current.height *
- fmt_to_bpp(SDC_FG_FB_FORMAT) / 8;
- mxc_allocate_buffers(vout->display_bufs,
- vout->display_bufs_vaddr,
- 2, vout->display_buf_size);
-
- memset(&params, 0, sizeof(params));
- params.adc_sys2.disp = vout->cur_disp_output;
- params.adc_sys2.ch_mode = WriteTemplateNonSeq;
-#ifdef CONFIG_FB_MXC_EPSON_PANEL
- params.adc_sys2.out_left = 2 + vout->crop_current.left;
-#else
- params.adc_sys2.out_left = 12 + vout->crop_current.left;
-#endif
- params.adc_sys2.out_top = vout->crop_current.top;
- if (ipu_init_channel(ADC_SYS2, &params) < 0)
- return -EINVAL;
-
- if (ipu_init_channel_buffer(vout->display_ch,
- IPU_INPUT_BUFFER,
- SDC_FG_FB_FORMAT,
- out_width, out_height,
- out_width, IPU_ROTATE_NONE,
- vout->display_bufs[0],
- vout->display_bufs[1], 0,
- 0) != 0) {
- dev_err(dev,
- "Error initializing SDC FG buffer\n");
- return -EINVAL;
- }
- }
- } else
-#endif
- { /* Use SDC */
- unsigned int ipu_ch = CHAN_NONE;
-
- dev_dbg(dev, "Using SDC channel\n");
-
- if (INTERLACED_CONTENT(vout))
- vout->work_irq = IPU_IRQ_PRP_VF_OUT_EOF;
- else
- vout->work_irq = IPU_IRQ_PP_IN_EOF;
-
- /*
- * Bypass IC if resizing and rotation are not needed
- * Meanwhile, apply IC bypass to SDC only
- */
- fbvar = fbi->var;
- vout->xres = fbvar.xres;
- vout->yres = fbvar.yres;
-
- if (vout->cur_disp_output == 3 || vout->cur_disp_output == 5) {
- fbvar.bits_per_pixel = 16;
+ /*
+ * Bypass IC if resizing and rotation are not needed
+ * Meanwhile, apply IC bypass to SDC only
+ */
+ fbvar = fbi->var;
+ vout->xres = fbvar.xres;
+ vout->yres = fbvar.yres;
+
+ if (vout->cur_disp_output == 3 || vout->cur_disp_output == 5) {
+ fbvar.bits_per_pixel = 16;
+ if (vout->cur_disp_output == 3) {
+ /* Only set YUV for the first display. The second display can
+ * only work in RGB */
if (format_is_yuv(vout->v2f.fmt.pix.pixelformat))
fbvar.nonstd = IPU_PIX_FMT_UYVY;
else
fbvar.nonstd = 0;
- if (vout->cur_disp_output == 3) {
- fbvar.xres = out_width;
- fbvar.yres = out_height;
- vout->xres = fbvar.xres;
- vout->yres = fbvar.yres;
- }
- fbvar.xres_virtual = fbvar.xres;
- fbvar.yres_virtual = fbvar.yres * 2;
+ fbvar.xres = out_width;
+ fbvar.yres = out_height;
+ vout->xres = fbvar.xres;
+ vout->yres = fbvar.yres;
}
- if (out_width == vout->v2f.fmt.pix.width &&
- out_height == vout->v2f.fmt.pix.height &&
- vout->xres == out_width &&
- vout->yres == out_height &&
- ipu_can_rotate_in_place(vout->rotate)) {
- vout->ic_bypass = 1;
- } else {
- vout->ic_bypass = 0;
- }
+ fbvar.xres_virtual = fbvar.xres;
+ fbvar.yres_virtual = fbvar.yres * 2;
+ }
+
+ if (out_width == vout->v2f.fmt.pix.width &&
+ out_height == vout->v2f.fmt.pix.height &&
+ vout->xres == out_width &&
+ vout->yres == out_height &&
+ ipu_can_rotate_in_place(vout->rotate) &&
+ (vout->bytesperline ==
+ bytes_per_pixel(vout->v2f.fmt.pix.pixelformat) * out_width) &&
+ !INTERLACED_CONTENT(vout)) {
+ vout->ic_bypass = 1;
+ } else {
+ vout->ic_bypass = 0;
+ }
#ifdef CONFIG_MXC_IPU_V1
- /* IPUv1 needs IC to do CSC */
- if (format_is_yuv(vout->v2f.fmt.pix.pixelformat) !=
- format_is_yuv(bpp_to_fmt(fbi)))
- vout->ic_bypass = 0;
+ /* IPUv1 needs IC to do CSC */
+ if (format_is_yuv(vout->v2f.fmt.pix.pixelformat) !=
+ format_is_yuv(bpp_to_fmt(fbi)))
+ vout->ic_bypass = 0;
#endif
- /* We are using IC to do input cropping */
- if (vout->queue_buf_paddr[vout->ipu_buf[0]] !=
- vout->v4l2_bufs[vout->ipu_buf[0]].m.offset ||
- vout->queue_buf_paddr[vout->ipu_buf[1]] !=
- vout->v4l2_bufs[vout->ipu_buf[1]].m.offset)
- vout->ic_bypass = 0;
-
- if (fbi->fbops->fb_ioctl) {
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- fbi->fbops->fb_ioctl(fbi, MXCFB_GET_FB_IPU_CHAN,
- (unsigned long)&ipu_ch);
- set_fs(old_fs);
- }
+ if (fbi->fbops->fb_ioctl) {
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ fbi->fbops->fb_ioctl(fbi, MXCFB_GET_FB_IPU_CHAN,
+ (unsigned long)&ipu_ch);
+ set_fs(old_fs);
+ }
- if (ipu_ch == CHAN_NONE) {
- dev_err(dev, "Can not get display ipu channel\n");
- return -EINVAL;
- }
+ if (ipu_ch == CHAN_NONE) {
+ dev_err(dev, "Can not get display ipu channel\n");
+ return -EINVAL;
+ }
- vout->display_ch = ipu_ch;
+ vout->display_ch = ipu_ch;
- if (vout->ic_bypass) {
- pr_debug("Bypassing IC\n");
- vout->work_irq = -1;
- switch (vout->v2f.fmt.pix.pixelformat) {
+ if (vout->ic_bypass) {
+ pr_debug("Bypassing IC\n");
+ vout->pp_split = 0;
+ switch (vout->v2f.fmt.pix.pixelformat) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_YVU420:
case V4L2_PIX_FMT_NV12:
@@ -1353,87 +1353,80 @@ static int mxc_v4l2out_streamon(vout_data * vout)
default:
fbvar.bits_per_pixel = 8*
bytes_per_pixel(vout->v2f.fmt.pix.pixelformat);
- }
- fbvar.nonstd = vout->v2f.fmt.pix.pixelformat;
}
+ fbvar.nonstd = vout->v2f.fmt.pix.pixelformat;
+ }
- fbvar.activate |= FB_ACTIVATE_FORCE;
- fb_set_var(fbi, &fbvar);
+ /* Init display channel through fb API */
+ fbvar.activate |= FB_ACTIVATE_FORCE;
+ fb_set_var(fbi, &fbvar);
- if (fbi->fbops->fb_ioctl && vout->display_ch == MEM_FG_SYNC) {
- fb_pos.x = vout->crop_current.left;
- fb_pos.y = vout->crop_current.top;
- old_fs = get_fs();
- set_fs(KERNEL_DS);
- fbi->fbops->fb_ioctl(fbi, MXCFB_SET_OVERLAY_POS,
- (unsigned long)&fb_pos);
- set_fs(old_fs);
- }
+ if (fbi->fbops->fb_ioctl && vout->display_ch == MEM_FG_SYNC) {
+ fb_pos.x = vout->crop_current.left;
+ fb_pos.y = vout->crop_current.top;
+ old_fs = get_fs();
+ set_fs(KERNEL_DS);
+ fbi->fbops->fb_ioctl(fbi, MXCFB_SET_OVERLAY_POS,
+ (unsigned long)&fb_pos);
+ set_fs(old_fs);
+ }
+
+ vout->display_bufs[1] = fbi->fix.smem_start;
+ vout->display_bufs[0] = fbi->fix.smem_start +
+ (fbi->fix.line_length * vout->yres);
+ vout->display_buf_size = vout->xres *
+ vout->yres * fbi->var.bits_per_pixel / 8;
+
+ /* fill black color for init fb, we assume fb has double buffer*/
+ if (format_is_yuv(vout->v2f.fmt.pix.pixelformat)) {
+ int i;
- vout->display_bufs[1] = fbi->fix.smem_start;
- vout->display_bufs[0] = fbi->fix.smem_start +
- (fbi->fix.line_length * vout->yres);
- vout->display_buf_size = vout->xres *
- vout->yres * fbi->var.bits_per_pixel / 8;
-
- /* fill black color for init fb, we assume fb has double buffer*/
- if (format_is_yuv(vout->v2f.fmt.pix.pixelformat)) {
- int i;
-
- if ((vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_UYVY) ||
- (vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) ||
- (!vout->ic_bypass)) {
- short * tmp = (short *) fbi->screen_base;
- short color;
- if (vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
- color = 0x8000;
- else
- color = 0x80;
- for (i = 0; i < (fbi->fix.line_length * fbi->var.yres_virtual)/2;
+ if ((vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_UYVY) ||
+ (vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) ||
+ (!vout->ic_bypass)) {
+ short * tmp = (short *) fbi->screen_base;
+ short color;
+ if (vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
+ color = 0x8000;
+ else
+ color = 0x80;
+ for (i = 0; i < (fbi->fix.line_length * fbi->var.yres_virtual)/2;
i++, tmp++)
- *tmp = color;
- } else if ((vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) ||
+ *tmp = color;
+ } else if ((vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV420) ||
(vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YVU420) ||
(vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_NV12)) {
- char * base = (char *)fbi->screen_base;
- int j, screen_size = fbi->var.xres * fbi->var.yres;
-
- for (j = 0; j < 2; j++) {
- memset(base, 0, screen_size);
- base += screen_size;
- for (i = 0; i < screen_size/2; i++, base++)
- *base = 0x80;
- }
- } else if (vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P) {
- char * base = (char *)fbi->screen_base;
- int j, screen_size = fbi->var.xres * fbi->var.yres;
-
- for (j = 0; j < 2; j++) {
- memset(base, 0, screen_size);
- base += screen_size;
- for (i = 0; i < screen_size; i++, base++)
- *base = 0x80;
- }
+ char * base = (char *)fbi->screen_base;
+ int j, screen_size = fbi->var.xres * fbi->var.yres;
+
+ for (j = 0; j < 2; j++) {
+ memset(base, 0, screen_size);
+ base += screen_size;
+ for (i = 0; i < screen_size/2; i++, base++)
+ *base = 0x80;
+ }
+ } else if (vout->v2f.fmt.pix.pixelformat == V4L2_PIX_FMT_YUV422P) {
+ char * base = (char *)fbi->screen_base;
+ int j, screen_size = fbi->var.xres * fbi->var.yres;
+
+ for (j = 0; j < 2; j++) {
+ memset(base, 0, screen_size);
+ base += screen_size;
+ for (i = 0; i < screen_size; i++, base++)
+ *base = 0x80;
}
- } else
- memset(fbi->screen_base, 0x0,
- fbi->fix.line_length * fbi->var.yres_virtual);
-
- if (INTERLACED_CONTENT(vout))
- vout->post_proc_ch = MEM_VDI_PRP_VF_MEM;
- else
- vout->post_proc_ch = MEM_PP_MEM;
-
- if (!vout->ic_bypass) {
- ipu_clear_irq(vout->work_irq);
- ipu_request_irq(vout->work_irq,
- mxc_v4l2out_work_irq_handler,
- 0, vout->video_dev->name, vout);
}
- }
+ } else
+ memset(fbi->screen_base, 0x0,
+ fbi->fix.line_length * fbi->var.yres_virtual);
+
+ if (INTERLACED_CONTENT(vout))
+ vout->post_proc_ch = MEM_VDI_PRP_VF_MEM;
+ else if (!vout->ic_bypass)
+ vout->post_proc_ch = MEM_PP_MEM;
- /* Init PP */
- if (use_direct_adc == false && !vout->ic_bypass) {
+ /* Init IC channel */
+ if (!vout->ic_bypass) {
if (vout->rotate >= IPU_ROTATE_90_RIGHT) {
out_width = vout->crop_current.height;
out_height = vout->crop_current.width;
@@ -1441,7 +1434,11 @@ static int mxc_v4l2out_streamon(vout_data * vout)
vout->display_input_ch = vout->post_proc_ch;
memset(&params, 0, sizeof(params));
if (INTERLACED_CONTENT(vout)) {
- rc = init_VDI(params, vout, dev, fbi, out_width, out_height);
+ if (vout->pp_split) {
+ dev_err(&vout->video_dev->dev, "VDI split has not supported yet.\n");
+ return -1;
+ } else
+ rc = init_VDI(params, vout, dev, fbi, out_width, out_height);
} else {
rc = init_PP(&params, vout, dev, fbi, out_width, out_height);
}
@@ -1449,52 +1446,79 @@ static int mxc_v4l2out_streamon(vout_data * vout)
return rc;
}
+ if (!vout->ic_bypass) {
+ switch (vout->display_input_ch) {
+ case MEM_PP_MEM:
+ vout->work_irq = IPU_IRQ_PP_OUT_EOF;
+ break;
+ case MEM_VDI_PRP_VF_MEM:
+ vout->work_irq = IPU_IRQ_PRP_VF_OUT_EOF;
+ break;
+ case MEM_ROT_VF_MEM:
+ vout->work_irq = IPU_IRQ_PRP_VF_ROT_OUT_EOF;
+ break;
+ case MEM_ROT_PP_MEM:
+ vout->work_irq = IPU_IRQ_PP_ROT_OUT_EOF;
+ break;
+ default:
+ dev_err(&vout->video_dev->dev,
+ "not support channel, should not be here\n");
+ }
+ } else
+ vout->work_irq = -1;
+
+ if (!vout->ic_bypass && (vout->work_irq > 0)) {
+ ipu_clear_irq(vout->work_irq);
+ ipu_request_irq(vout->work_irq,
+ mxc_v4l2out_work_irq_handler,
+ 0, vout->video_dev->name, vout);
+ }
+
vout->state = STATE_STREAM_PAUSED;
- if (use_direct_adc == false) {
- if (fbi) {
- acquire_console_sem();
- fb_blank(fbi, FB_BLANK_UNBLANK);
- release_console_sem();
- } else {
- ipu_enable_channel(vout->display_ch);
- }
- if (!vout->ic_bypass) {
+ /* Enable display and IC channels */
+ if (fbi) {
+ acquire_console_sem();
+ fb_blank(fbi, FB_BLANK_UNBLANK);
+ release_console_sem();
+ } else {
+ ipu_enable_channel(vout->display_ch);
+ }
+ if (!vout->ic_bypass) {
#ifndef CONFIG_MXC_IPU_V1
- ipu_enable_channel(vout->post_proc_ch);
+ ipu_enable_channel(vout->post_proc_ch);
#endif
- if (LOAD_3FIELDS(vout)) {
- ipu_enable_channel(MEM_VDI_PRP_VF_MEM_P);
- ipu_enable_channel(MEM_VDI_PRP_VF_MEM_N);
- ipu_select_multi_vdi_buffer(0);
- } else if (INTERLACED_CONTENT(vout)) {
- ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER, 0);
- } else {
- ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER, 0);
- if (!vout->pp_split)
- ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER, 1);
- }
- ipu_select_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER, 0);
- ipu_select_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER, 1);
+ if (LOAD_3FIELDS(vout)) {
+ ipu_enable_channel(MEM_VDI_PRP_VF_MEM_P);
+ ipu_enable_channel(MEM_VDI_PRP_VF_MEM_N);
+ ipu_select_multi_vdi_buffer(0);
+ } else
+ ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER, 0);
+ ipu_select_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER, 0);
+ ipu_select_buffer(vout->post_proc_ch, IPU_OUTPUT_BUFFER, 1);
#ifdef CONFIG_MXC_IPU_V1
- ipu_enable_channel(vout->post_proc_ch);
+ ipu_enable_channel(vout->post_proc_ch);
#endif
- } else {
- ipu_update_channel_buffer(vout->display_ch,
+ } else {
+ ipu_update_channel_buffer(vout->display_ch,
IPU_INPUT_BUFFER,
0, vout->v4l2_bufs[vout->ipu_buf[0]].m.offset);
- ipu_update_channel_buffer(vout->display_ch,
- IPU_INPUT_BUFFER,
- 1, vout->v4l2_bufs[vout->ipu_buf[1]].m.offset);
- ipu_select_buffer(vout->display_ch, IPU_INPUT_BUFFER, 0);
- ipu_select_buffer(vout->display_ch, IPU_INPUT_BUFFER, 1);
- queue_work(vout->v4l_wq, &vout->timer_work);
- }
- } else {
- ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER, 0);
- ipu_select_buffer(vout->post_proc_ch, IPU_INPUT_BUFFER, 1);
- ipu_enable_channel(vout->post_proc_ch);
+ if (vout->offset.u_offset || vout->offset.v_offset)
+ /* only update u/v offset */
+ ipu_update_channel_offset(vout->display_ch,
+ IPU_INPUT_BUFFER,
+ vout->v2f.fmt.pix.pixelformat,
+ vout->v2f.fmt.pix.width,
+ vout->v2f.fmt.pix.height,
+ vout->bytesperline,
+ vout->offset.u_offset,
+ vout->offset.v_offset,
+ 0,
+ 0);
+ ipu_select_buffer(vout->display_ch, IPU_INPUT_BUFFER, 0);
+ queue_work(vout->v4l_wq, &vout->icbypass_work);
}
+
vout->start_jiffies = jiffies;
msleep(1);
@@ -1529,7 +1553,8 @@ static int mxc_v4l2out_streamoff(vout_data * vout)
if (!vout->ic_bypass)
ipu_free_irq(vout->work_irq, vout);
- cancel_work_sync(&vout->timer_work);
+ if (vout->ic_bypass)
+ cancel_work_sync(&vout->icbypass_work);
spin_lock_irqsave(&g_lock, lockflag);
@@ -1556,9 +1581,21 @@ static int mxc_v4l2out_streamoff(vout_data * vout)
}
}
- if (vout->post_proc_ch == MEM_PP_MEM ||
+ if (vout->ic_bypass) {
+ fbi->var.activate |= FB_ACTIVATE_FORCE;
+ fb_set_var(fbi, &fbi->var);
+
+ if (vout->display_ch == MEM_FG_SYNC) {
+ acquire_console_sem();
+ fb_blank(fbi, FB_BLANK_POWERDOWN);
+ release_console_sem();
+ }
+
+ vout->display_bufs[0] = 0;
+ vout->display_bufs[1] = 0;
+ } else if (vout->post_proc_ch == MEM_PP_MEM ||
vout->post_proc_ch == MEM_PRP_VF_MEM) {
- /* SDC or ADC with Rotation */
+ /* SDC with Rotation */
if (!ipu_can_rotate_in_place(vout->rotate)) {
ipu_unlink_channels(MEM_PP_MEM, MEM_ROT_PP_MEM);
ipu_disable_channel(MEM_ROT_PP_MEM, true);
@@ -1571,28 +1608,23 @@ static int mxc_v4l2out_streamoff(vout_data * vout)
}
ipu_disable_channel(MEM_PP_MEM, true);
- if (vout->display_ch == ADC_SYS2 ||
- vout->display_ch == MEM_FG_SYNC) {
- ipu_disable_channel(vout->display_ch, true);
- ipu_uninit_channel(vout->display_ch);
- } else {
- fbi->var.activate |= FB_ACTIVATE_FORCE;
- fb_set_var(fbi, &fbi->var);
+ fbi->var.activate |= FB_ACTIVATE_FORCE;
+ fb_set_var(fbi, &fbi->var);
- if (vout->display_ch == MEM_FG_SYNC) {
- acquire_console_sem();
- fb_blank(fbi, FB_BLANK_POWERDOWN);
- release_console_sem();
- }
-
- vout->display_bufs[0] = 0;
- vout->display_bufs[1] = 0;
+ if (vout->display_ch == MEM_FG_SYNC) {
+ acquire_console_sem();
+ fb_blank(fbi, FB_BLANK_POWERDOWN);
+ release_console_sem();
}
+ vout->display_bufs[0] = 0;
+ vout->display_bufs[1] = 0;
+
ipu_uninit_channel(MEM_PP_MEM);
if (!ipu_can_rotate_in_place(vout->rotate))
ipu_uninit_channel(MEM_ROT_PP_MEM);
- } else if (INTERLACED_CONTENT(vout) && (vout->post_proc_ch == MEM_VDI_PRP_VF_MEM)) {
+ } else if (INTERLACED_CONTENT(vout) &&
+ (vout->post_proc_ch == MEM_VDI_PRP_VF_MEM)) {
if (!ipu_can_rotate_in_place(vout->rotate)) {
ipu_unlink_channels(MEM_VDI_PRP_VF_MEM,
MEM_ROT_VF_MEM);
@@ -1606,32 +1638,32 @@ static int mxc_v4l2out_streamoff(vout_data * vout)
}
ipu_disable_channel(MEM_VDI_PRP_VF_MEM, true);
+ if (LOAD_3FIELDS(vout)) {
+ ipu_disable_channel(MEM_VDI_PRP_VF_MEM_P, true);
+ ipu_disable_channel(MEM_VDI_PRP_VF_MEM_N, true);
+ }
- if (vout->display_ch == ADC_SYS2 ||
- vout->display_ch == MEM_FG_SYNC) {
- ipu_disable_channel(vout->display_ch, true);
- ipu_uninit_channel(vout->display_ch);
- } else {
- fbi->var.activate |= FB_ACTIVATE_FORCE;
- fb_set_var(fbi, &fbi->var);
+ fbi->var.activate |= FB_ACTIVATE_FORCE;
+ fb_set_var(fbi, &fbi->var);
- if (vout->display_ch == MEM_FG_SYNC) {
- acquire_console_sem();
- fb_blank(fbi, FB_BLANK_POWERDOWN);
- release_console_sem();
- }
-
- vout->display_bufs[0] = 0;
- vout->display_bufs[1] = 0;
+ if (vout->display_ch == MEM_FG_SYNC) {
+ acquire_console_sem();
+ fb_blank(fbi, FB_BLANK_POWERDOWN);
+ release_console_sem();
}
+ vout->display_bufs[0] = 0;
+ vout->display_bufs[1] = 0;
+
ipu_uninit_channel(MEM_VDI_PRP_VF_MEM);
+ if (LOAD_3FIELDS(vout)) {
+ ipu_uninit_channel(MEM_VDI_PRP_VF_MEM_P);
+ ipu_uninit_channel(MEM_VDI_PRP_VF_MEM_N);
+ }
if (!ipu_can_rotate_in_place(vout->rotate))
ipu_uninit_channel(MEM_ROT_VF_MEM);
- } else { /* ADC Direct */
- ipu_disable_channel(MEM_PP_ADC, true);
- ipu_uninit_channel(MEM_PP_ADC);
}
+
vout->ready_q.head = vout->ready_q.tail = 0;
vout->done_q.head = vout->done_q.tail = 0;
for (i = 0; i < vout->buffer_cnt; i++) {
@@ -1640,23 +1672,9 @@ static int mxc_v4l2out_streamoff(vout_data * vout)
vout->v4l2_bufs[i].timestamp.tv_usec = 0;
}
+ vout->post_proc_ch = CHAN_NONE;
vout->state = STATE_STREAM_OFF;
-#ifdef CONFIG_FB_MXC_ASYNC_PANEL
- if (vout->cur_disp_output < DISP3) {
- if (vout->display_bufs[0] != 0) {
- mxc_free_buffers(vout->display_bufs,
- vout->display_bufs_vaddr, 2,
- vout->display_buf_size);
- }
-
- mxcfb_set_refresh_mode(registered_fb
- [vout->
- output_fb_num[vout->cur_disp_output]],
- MXCFB_REFRESH_PARTIAL, 0);
- }
-#endif
-
return retval;
}
@@ -1751,7 +1769,6 @@ static int mxc_v4l2out_s_fmt(vout_data * vout, struct v4l2_format *f)
dev_err(&vout->video_dev->dev,
"De-interlacing not supported in this device!\n");
vout->field_fmt = V4L2_FIELD_NONE;
- break;
case V4L2_FIELD_INTERLACED_BT:
dev_err(&vout->video_dev->dev,
"V4L2_FIELD_INTERLACED_BT field format not supported yet!\n");
@@ -1898,7 +1915,7 @@ static int mxc_v4l2out_open(struct file *file)
goto oops;
}
- INIT_WORK(&vout->timer_work, timer_work_func);
+ INIT_WORK(&vout->icbypass_work, icbypass_work_func);
}
file->private_data = dev;
@@ -2284,12 +2301,8 @@ mxc_v4l2out_do_ioctl(struct file *file,
break;
}
- if (output->index < 3) {
- *output = mxc_outputs[MXC_V4L2_OUT_2_ADC];
- output->name[4] = '0' + output->index;
- } else {
+ if (output->index >= 3)
*output = mxc_outputs[MXC_V4L2_OUT_2_SDC];
- }
break;
}
case VIDIOC_G_OUTPUT:
diff --git a/drivers/media/video/mxc/output/mxc_v4l2_output.h b/drivers/media/video/mxc/output/mxc_v4l2_output.h
index 0dd8eb0076a9..c26194f5ff90 100644
--- a/drivers/media/video/mxc/output/mxc_v4l2_output.h
+++ b/drivers/media/video/mxc/output/mxc_v4l2_output.h
@@ -39,7 +39,6 @@
#define MXC_V4L2_OUT_NUM_OUTPUTS 6
#define MXC_V4L2_OUT_2_SDC 0
-#define MXC_V4L2_OUT_2_ADC 1
typedef struct {
@@ -80,7 +79,9 @@ typedef struct _vout_data {
struct timer_list output_timer;
struct workqueue_struct *v4l_wq;
- struct work_struct timer_work;
+ struct work_struct icbypass_work;
+ int disp_buf_num;
+ int fb_blank;
unsigned long start_jiffies;
u32 frame_count;
@@ -89,6 +90,7 @@ typedef struct _vout_data {
s8 next_rdy_ipu_buf;
s8 next_done_ipu_buf;
+ s8 next_disp_ipu_buf;
s8 ipu_buf[2];
s8 ipu_buf_p[2];
s8 ipu_buf_n[2];
@@ -141,8 +143,10 @@ typedef struct _vout_data {
int pp_split; /* 0,1 */
struct stripe_param pp_left_stripe;
struct stripe_param pp_right_stripe; /* struct for split parameters */
- /* IC ouput buffer number. Counting from 0 to 3 */
- int pp_split_buf_num; /* 0..3 */
+ struct stripe_param pp_up_stripe;
+ struct stripe_param pp_down_stripe;
+ /* IC ouput buffer number. Counting from 0 to 7 */
+ int pp_split_buf_num; /* 0..7 */
u16 bpp ; /* bit per pixel */
u16 xres; /* width of physical frame (BGs) */
u16 yres; /* heigth of physical frame (BGs)*/
diff --git a/drivers/media/video/mxs_pxp.c b/drivers/media/video/mxs_pxp.c
index 83c9c52c3b0c..017d22458a22 100644
--- a/drivers/media/video/mxs_pxp.c
+++ b/drivers/media/video/mxs_pxp.c
@@ -31,6 +31,7 @@
#include <linux/platform_device.h>
#include <linux/vmalloc.h>
#include <linux/videodev2.h>
+#include <linux/delay.h>
#include <media/videobuf-dma-contig.h>
#include <media/v4l2-common.h>
@@ -671,6 +672,7 @@ static int pxp_streamon(struct file *file, void *priv, enum v4l2_buf_type t)
pxp_set_outbuf(pxp);
ret = videobuf_streamon(&pxp->s0_vbq);
+ msleep(20);
if (!ret && (pxp->output == 0))
mxsfb_cfg_pxp(1, pxp->outb_phys);
@@ -686,7 +688,9 @@ static int pxp_streamoff(struct file *file, void *priv, enum v4l2_buf_type t)
if ((t != V4L2_BUF_TYPE_VIDEO_OUTPUT))
return -EINVAL;
+ cancel_work_sync(&pxp->work);
ret = videobuf_streamoff(&pxp->s0_vbq);
+ msleep(20);
if (!ret)
mxsfb_cfg_pxp(0, 0);
@@ -1101,8 +1105,10 @@ static int pxp_close(struct file *file)
{
struct pxps *pxp = video_get_drvdata(video_devdata(file));
- if (pxp->workqueue)
+ if (pxp->workqueue) {
+ flush_workqueue(pxp->workqueue);
destroy_workqueue(pxp->workqueue);
+ }
videobuf_stop(&pxp->s0_vbq);
videobuf_mmap_free(&pxp->s0_vbq);
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 01b633c73480..be99c8797dcc 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -707,6 +707,10 @@ static void uvc_video_complete(struct urb *urb)
if ((ret = usb_submit_urb(urb, GFP_ATOMIC)) < 0) {
uvc_printk(KERN_ERR, "Failed to resubmit video URB (%d).\n",
ret);
+ if (ret == -ENODEV) {
+ uvc_queue_cancel(queue, 1);
+ return;
+ }
}
}
diff --git a/drivers/media/video/videobuf-dma-contig.c b/drivers/media/video/videobuf-dma-contig.c
index 2ac8c2421ad2..dc4f32bbd83d 100644
--- a/drivers/media/video/videobuf-dma-contig.c
+++ b/drivers/media/video/videobuf-dma-contig.c
@@ -319,7 +319,7 @@ static int __videobuf_mmap_mapper(struct videobuf_queue *q,
mem->size = PAGE_ALIGN(q->bufs[first]->bsize);
mem->vaddr = dma_alloc_coherent(q->dev, mem->size,
- &mem->dma_handle, GFP_KERNEL);
+ &mem->dma_handle, GFP_DMA);
if (!mem->vaddr) {
dev_err(q->dev, "dma_alloc_coherent size %ld failed\n",
mem->size);
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 281b61b3b5f3..72c10192d802 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -13,6 +13,10 @@ menuconfig MISC_DEVICES
if MISC_DEVICES
+config ANDROID_PMEM
+ bool "Android pmem allocator"
+ default y
+
config ATMEL_PWM
tristate "Atmel AT32/AT91 PWM support"
depends on AVR32 || ARCH_AT91SAM9263 || ARCH_AT91SAM9RL || ARCH_AT91CAP9
@@ -238,6 +242,14 @@ config MXS_PERSISTENT
depends on ARCH_MXS
default y
+config UID_STAT
+ bool "UID based statistics tracking exported to /proc/uid_stat"
+ default n
+
+config FSL_CACHE
+ tristate "Freescale Cache manipulate driver"
+ default n
+
source "drivers/misc/c2port/Kconfig"
source "drivers/misc/eeprom/Kconfig"
source "drivers/misc/cb710/Kconfig"
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 03dd5ee05ce2..c435ec82d664 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -21,5 +21,8 @@ obj-$(CONFIG_HP_ILO) += hpilo.o
obj-$(CONFIG_ISL29003) += isl29003.o
obj-$(CONFIG_C2PORT) += c2port/
obj-$(CONFIG_MXS_PERSISTENT) += mxs-persistent.o
+obj-$(CONFIG_ANDROID_PMEM) += pmem.o
+obj-$(CONFIG_UID_STAT) += uid_stat.o
+obj-$(CONFIG_FSL_CACHE) += fsl_cache.o
obj-y += eeprom/
obj-y += cb710/
diff --git a/drivers/mmc/core/Kconfig b/drivers/mmc/core/Kconfig
index ab37a6d9d32a..bb22ffd76ef8 100644
--- a/drivers/mmc/core/Kconfig
+++ b/drivers/mmc/core/Kconfig
@@ -3,7 +3,7 @@
#
config MMC_UNSAFE_RESUME
- bool "Allow unsafe resume (DANGEROUS)"
+ bool "Assume MMC/SD cards are non-removable (DANGEROUS)"
help
If you say Y here, the MMC layer will assume that all cards
stayed in their respective slots during the suspend. The
@@ -14,3 +14,5 @@ config MMC_UNSAFE_RESUME
This option is usually just for embedded systems which use
a MMC/SD card for rootfs. Most people should say N here.
+ This option sets a default which can be overridden by the
+ module parameter "removable=0" or "removable=1".
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 50b208253440..91ba2f812d73 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -48,6 +48,22 @@ int use_spi_crc = 1;
module_param(use_spi_crc, bool, 0);
/*
+ * We normally treat cards as removed during suspend if they are not
+ * known to be on a non-removable bus, to avoid the risk of writing
+ * back data to a different card after resume. Allow this to be
+ * overridden if necessary.
+ */
+#ifdef CONFIG_MMC_UNSAFE_RESUME
+int mmc_assume_removable;
+#else
+int mmc_assume_removable = 1;
+#endif
+module_param_named(removable, mmc_assume_removable, bool, 0644);
+MODULE_PARM_DESC(
+ removable,
+ "MMC/SD cards are removable and may be removed during suspend");
+
+/*
* Internal function. Schedule delayed work in the MMC work queue.
*/
static int mmc_schedule_delayed_work(struct delayed_work *work,
@@ -344,6 +360,101 @@ unsigned int mmc_align_data_size(struct mmc_card *card, unsigned int sz)
EXPORT_SYMBOL(mmc_align_data_size);
/**
+ * mmc_host_enable - enable a host.
+ * @host: mmc host to enable
+ *
+ * Hosts that support power saving can use the 'enable' and 'disable'
+ * methods to exit and enter power saving states. For more information
+ * see comments for struct mmc_host_ops.
+ */
+int mmc_host_enable(struct mmc_host *host)
+{
+ if (!(host->caps & MMC_CAP_DISABLE))
+ return 0;
+
+ if (host->en_dis_recurs)
+ return 0;
+
+ if (host->nesting_cnt++)
+ return 0;
+
+ cancel_delayed_work_sync(&host->disable);
+
+ if (host->enabled)
+ return 0;
+
+ if (host->ops->enable) {
+ int err;
+
+ host->en_dis_recurs = 1;
+ err = host->ops->enable(host);
+ host->en_dis_recurs = 0;
+
+ if (err) {
+ pr_debug("%s: enable error %d\n",
+ mmc_hostname(host), err);
+ return err;
+ }
+ }
+ host->enabled = 1;
+ return 0;
+}
+EXPORT_SYMBOL(mmc_host_enable);
+
+static int mmc_host_do_disable(struct mmc_host *host, int lazy)
+{
+ if (host->ops->disable) {
+ int err;
+
+ host->en_dis_recurs = 1;
+ err = host->ops->disable(host, lazy);
+ host->en_dis_recurs = 0;
+
+ if (err < 0) {
+ pr_debug("%s: disable error %d\n",
+ mmc_hostname(host), err);
+ return err;
+ }
+ if (err > 0) {
+ unsigned long delay = msecs_to_jiffies(err);
+
+ mmc_schedule_delayed_work(&host->disable, delay);
+ }
+ }
+ host->enabled = 0;
+ return 0;
+}
+
+/**
+ * mmc_host_disable - disable a host.
+ * @host: mmc host to disable
+ *
+ * Hosts that support power saving can use the 'enable' and 'disable'
+ * methods to exit and enter power saving states. For more information
+ * see comments for struct mmc_host_ops.
+ */
+int mmc_host_disable(struct mmc_host *host)
+{
+ int err;
+
+ if (!(host->caps & MMC_CAP_DISABLE))
+ return 0;
+
+ if (host->en_dis_recurs)
+ return 0;
+
+ if (--host->nesting_cnt)
+ return 0;
+
+ if (!host->enabled)
+ return 0;
+
+ err = mmc_host_do_disable(host, 0);
+ return err;
+}
+EXPORT_SYMBOL(mmc_host_disable);
+
+/**
* __mmc_claim_host - exclusively claim a host
* @host: mmc host to claim
* @abort: whether or not the operation should be aborted
@@ -366,25 +477,111 @@ int __mmc_claim_host(struct mmc_host *host, atomic_t *abort)
while (1) {
set_current_state(TASK_UNINTERRUPTIBLE);
stop = abort ? atomic_read(abort) : 0;
- if (stop || !host->claimed)
+ if (stop || !host->claimed || host->claimer == current)
break;
spin_unlock_irqrestore(&host->lock, flags);
schedule();
spin_lock_irqsave(&host->lock, flags);
}
set_current_state(TASK_RUNNING);
- if (!stop)
+ if (!stop) {
host->claimed = 1;
- else
+ host->claimer = current;
+ host->claim_cnt += 1;
+ } else
wake_up(&host->wq);
spin_unlock_irqrestore(&host->lock, flags);
remove_wait_queue(&host->wq, &wait);
+ if (!stop)
+ mmc_host_enable(host);
return stop;
}
EXPORT_SYMBOL(__mmc_claim_host);
/**
+ * mmc_try_claim_host - try exclusively to claim a host
+ * @host: mmc host to claim
+ *
+ * Returns %1 if the host is claimed, %0 otherwise.
+ */
+int mmc_try_claim_host(struct mmc_host *host)
+{
+ int claimed_host = 0;
+ unsigned long flags;
+
+ spin_lock_irqsave(&host->lock, flags);
+ if (!host->claimed || host->claimer == current) {
+ host->claimed = 1;
+ host->claimer = current;
+ host->claim_cnt += 1;
+ claimed_host = 1;
+ }
+ spin_unlock_irqrestore(&host->lock, flags);
+ return claimed_host;
+}
+EXPORT_SYMBOL(mmc_try_claim_host);
+
+static void mmc_do_release_host(struct mmc_host *host)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&host->lock, flags);
+ if (--host->claim_cnt) {
+ /* Release for nested claim */
+ spin_unlock_irqrestore(&host->lock, flags);
+ } else {
+ host->claimed = 0;
+ host->claimer = NULL;
+ spin_unlock_irqrestore(&host->lock, flags);
+ wake_up(&host->wq);
+ }
+}
+
+void mmc_host_deeper_disable(struct work_struct *work)
+{
+ struct mmc_host *host =
+ container_of(work, struct mmc_host, disable.work);
+
+ /* If the host is claimed then we do not want to disable it anymore */
+ if (!mmc_try_claim_host(host))
+ return;
+ mmc_host_do_disable(host, 1);
+ mmc_do_release_host(host);
+}
+
+/**
+ * mmc_host_lazy_disable - lazily disable a host.
+ * @host: mmc host to disable
+ *
+ * Hosts that support power saving can use the 'enable' and 'disable'
+ * methods to exit and enter power saving states. For more information
+ * see comments for struct mmc_host_ops.
+ */
+int mmc_host_lazy_disable(struct mmc_host *host)
+{
+ if (!(host->caps & MMC_CAP_DISABLE))
+ return 0;
+
+ if (host->en_dis_recurs)
+ return 0;
+
+ if (--host->nesting_cnt)
+ return 0;
+
+ if (!host->enabled)
+ return 0;
+
+ if (host->disable_delay) {
+ mmc_schedule_delayed_work(&host->disable,
+ msecs_to_jiffies(host->disable_delay));
+ return 0;
+ } else
+ return mmc_host_do_disable(host, 1);
+}
+EXPORT_SYMBOL(mmc_host_lazy_disable);
+
+/**
* mmc_release_host - release a host
* @host: mmc host to release
*
@@ -393,15 +590,11 @@ EXPORT_SYMBOL(__mmc_claim_host);
*/
void mmc_release_host(struct mmc_host *host)
{
- unsigned long flags;
-
WARN_ON(!host->claimed);
- spin_lock_irqsave(&host->lock, flags);
- host->claimed = 0;
- spin_unlock_irqrestore(&host->lock, flags);
+ mmc_host_lazy_disable(host);
- wake_up(&host->wq);
+ mmc_do_release_host(host);
}
EXPORT_SYMBOL(mmc_release_host);
@@ -687,7 +880,13 @@ void mmc_set_timing(struct mmc_host *host, unsigned int timing)
*/
static void mmc_power_up(struct mmc_host *host)
{
- int bit = fls(host->ocr_avail) - 1;
+ int bit;
+
+ /* If ocr is set, we use it */
+ if (host->ocr)
+ bit = ffs(host->ocr) - 1;
+ else
+ bit = fls(host->ocr_avail) - 1;
host->ios.vdd = bit;
if (mmc_host_is_spi(host)) {
@@ -858,6 +1057,17 @@ void mmc_rescan(struct work_struct *work)
container_of(work, struct mmc_host, detect.work);
u32 ocr;
int err;
+ unsigned long flags;
+
+ spin_lock_irqsave(&host->lock, flags);
+
+ if (host->rescan_disable) {
+ spin_unlock_irqrestore(&host->lock, flags);
+ return;
+ }
+
+ spin_unlock_irqrestore(&host->lock, flags);
+
mmc_bus_get(host);
@@ -890,8 +1100,7 @@ void mmc_rescan(struct work_struct *work)
mmc_claim_host(host);
mmc_power_up(host);
- sdio_go_idle(host);
-
+ sdio_reset(host);
mmc_go_idle(host);
mmc_send_if_cond(host, host->ocr_avail);
@@ -949,9 +1158,14 @@ void mmc_stop_host(struct mmc_host *host)
spin_unlock_irqrestore(&host->lock, flags);
#endif
+ if (host->caps & MMC_CAP_DISABLE)
+ cancel_delayed_work(&host->disable);
cancel_delayed_work(&host->detect);
mmc_flush_scheduled_work();
+ /* clear pm flags now and let card drivers set them as needed */
+ host->pm_flags = 0;
+
mmc_bus_get(host);
if (host->bus_ops && !host->bus_dead) {
if (host->bus_ops->remove)
@@ -960,6 +1174,8 @@ void mmc_stop_host(struct mmc_host *host)
mmc_claim_host(host);
mmc_detach_bus(host);
mmc_release_host(host);
+ mmc_bus_put(host);
+ return;
}
mmc_bus_put(host);
@@ -968,6 +1184,80 @@ void mmc_stop_host(struct mmc_host *host)
mmc_power_off(host);
}
+void mmc_power_save_host(struct mmc_host *host)
+{
+ mmc_bus_get(host);
+
+ if (!host->bus_ops || host->bus_dead || !host->bus_ops->power_restore) {
+ mmc_bus_put(host);
+ return;
+ }
+
+ if (host->bus_ops->power_save)
+ host->bus_ops->power_save(host);
+
+ mmc_bus_put(host);
+
+ mmc_power_off(host);
+}
+EXPORT_SYMBOL(mmc_power_save_host);
+
+void mmc_power_restore_host(struct mmc_host *host)
+{
+ mmc_bus_get(host);
+
+ if (!host->bus_ops || host->bus_dead || !host->bus_ops->power_restore) {
+ mmc_bus_put(host);
+ return;
+ }
+
+ mmc_power_up(host);
+ host->bus_ops->power_restore(host);
+
+ mmc_bus_put(host);
+}
+EXPORT_SYMBOL(mmc_power_restore_host);
+
+int mmc_card_awake(struct mmc_host *host)
+{
+ int err = -ENOSYS;
+
+ mmc_bus_get(host);
+
+ if (host->bus_ops && !host->bus_dead && host->bus_ops->awake)
+ err = host->bus_ops->awake(host);
+
+ mmc_bus_put(host);
+
+ return err;
+}
+EXPORT_SYMBOL(mmc_card_awake);
+
+int mmc_card_sleep(struct mmc_host *host)
+{
+ int err = -ENOSYS;
+
+ mmc_bus_get(host);
+
+ if (host->bus_ops && !host->bus_dead && host->bus_ops->awake)
+ err = host->bus_ops->sleep(host);
+
+ mmc_bus_put(host);
+
+ return err;
+}
+EXPORT_SYMBOL(mmc_card_sleep);
+
+int mmc_card_can_sleep(struct mmc_host *host)
+{
+ struct mmc_card *card = host->card;
+
+ if (card && mmc_card_mmc(card) && card->ext_csd.rev >= 3)
+ return 1;
+ return 0;
+}
+EXPORT_SYMBOL(mmc_card_can_sleep);
+
#ifdef CONFIG_PM
/**
@@ -977,27 +1267,37 @@ void mmc_stop_host(struct mmc_host *host)
*/
int mmc_suspend_host(struct mmc_host *host, pm_message_t state)
{
+ int err = 0;
+
+ if (host->caps & MMC_CAP_DISABLE)
+ cancel_delayed_work(&host->disable);
cancel_delayed_work(&host->detect);
mmc_flush_scheduled_work();
mmc_bus_get(host);
if (host->bus_ops && !host->bus_dead) {
if (host->bus_ops->suspend)
- host->bus_ops->suspend(host);
- if (!host->bus_ops->resume) {
+ err = host->bus_ops->suspend(host);
+ if (err == -ENOSYS || !host->bus_ops->resume) {
+ /*
+ * We simply "remove" the card in this case.
+ * It will be redetected on resume.
+ */
if (host->bus_ops->remove)
host->bus_ops->remove(host);
-
mmc_claim_host(host);
mmc_detach_bus(host);
mmc_release_host(host);
+ host->pm_flags = 0;
+ err = 0;
}
}
mmc_bus_put(host);
- mmc_power_off(host);
+ if (!err && !(host->pm_flags & MMC_PM_KEEP_POWER))
+ mmc_power_off(host);
- return 0;
+ return err;
}
EXPORT_SYMBOL(mmc_suspend_host);
@@ -1008,26 +1308,75 @@ EXPORT_SYMBOL(mmc_suspend_host);
*/
int mmc_resume_host(struct mmc_host *host)
{
+ int err = 0;
+
mmc_bus_get(host);
if (host->bus_ops && !host->bus_dead) {
- mmc_power_up(host);
- mmc_select_voltage(host, host->ocr);
+ if (!(host->pm_flags & MMC_PM_KEEP_POWER)) {
+ mmc_power_up(host);
+ mmc_select_voltage(host, host->ocr);
+ }
BUG_ON(!host->bus_ops->resume);
- host->bus_ops->resume(host);
+ err = host->bus_ops->resume(host);
+ if (err) {
+ printk(KERN_WARNING "%s: error %d during resume "
+ "(card was removed?)\n",
+ mmc_hostname(host), err);
+ err = 0;
+ }
}
mmc_bus_put(host);
- /*
- * We add a slight delay here so that resume can progress
- * in parallel.
- */
- mmc_detect_change(host, 1);
-
- return 0;
+ return err;
}
-
EXPORT_SYMBOL(mmc_resume_host);
+/* Do the card removal on suspend if card is assumed removeable
+ * Do that in pm notifier while userspace isn't yet frozen, so we will be able
+ to sync the card.
+*/
+int mmc_pm_notify(struct notifier_block *notify_block,
+ unsigned long mode, void *unused)
+{
+ struct mmc_host *host = container_of(
+ notify_block, struct mmc_host, pm_notify);
+ unsigned long flags;
+
+
+ switch (mode) {
+ case PM_HIBERNATION_PREPARE:
+ case PM_SUSPEND_PREPARE:
+
+ spin_lock_irqsave(&host->lock, flags);
+ host->rescan_disable = 1;
+ spin_unlock_irqrestore(&host->lock, flags);
+ cancel_delayed_work_sync(&host->detect);
+
+ if (!host->bus_ops || host->bus_ops->suspend)
+ break;
+
+ mmc_claim_host(host);
+
+ if (host->bus_ops->remove)
+ host->bus_ops->remove(host);
+
+ mmc_detach_bus(host);
+ mmc_release_host(host);
+ host->pm_flags = 0;
+ break;
+
+ case PM_POST_SUSPEND:
+ case PM_POST_HIBERNATION:
+
+ spin_lock_irqsave(&host->lock, flags);
+ host->rescan_disable = 0;
+ spin_unlock_irqrestore(&host->lock, flags);
+ mmc_detect_change(host, 0);
+
+ }
+
+ return 0;
+}
#endif
static int __init mmc_init(void)
diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h
index c819effa1032..a811c52a1659 100644
--- a/drivers/mmc/core/core.h
+++ b/drivers/mmc/core/core.h
@@ -16,10 +16,14 @@
#define MMC_CMD_RETRIES 3
struct mmc_bus_ops {
+ int (*awake)(struct mmc_host *);
+ int (*sleep)(struct mmc_host *);
void (*remove)(struct mmc_host *);
void (*detect)(struct mmc_host *);
- void (*suspend)(struct mmc_host *);
- void (*resume)(struct mmc_host *);
+ int (*suspend)(struct mmc_host *);
+ int (*resume)(struct mmc_host *);
+ void (*power_save)(struct mmc_host *);
+ void (*power_restore)(struct mmc_host *);
};
void mmc_attach_bus(struct mmc_host *host, const struct mmc_bus_ops *ops);
@@ -50,7 +54,9 @@ int mmc_attach_mmc(struct mmc_host *host, u32 ocr);
int mmc_attach_sd(struct mmc_host *host, u32 ocr);
int mmc_attach_sdio(struct mmc_host *host, u32 ocr);
+/* Module parameters */
extern int use_spi_crc;
+extern int mmc_assume_removable;
/* Debugfs information for hosts and cards */
void mmc_add_host_debugfs(struct mmc_host *host);
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 5e945e64ead7..0efe631e50ca 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -16,6 +16,8 @@
#include <linux/idr.h>
#include <linux/pagemap.h>
#include <linux/leds.h>
+#include <linux/slab.h>
+#include <linux/suspend.h>
#include <linux/mmc/host.h>
@@ -83,6 +85,8 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
spin_lock_init(&host->lock);
init_waitqueue_head(&host->wq);
INIT_DELAYED_WORK(&host->detect, mmc_rescan);
+ INIT_DELAYED_WORK_DEFERRABLE(&host->disable, mmc_host_deeper_disable);
+ host->pm_notify.notifier_call = mmc_pm_notify;
/*
* By default, hosts do not support SGIO or large requests.
@@ -131,6 +135,7 @@ int mmc_add_host(struct mmc_host *host)
#endif
mmc_start_host(host);
+ register_pm_notifier(&host->pm_notify);
return 0;
}
@@ -147,6 +152,7 @@ EXPORT_SYMBOL(mmc_add_host);
*/
void mmc_remove_host(struct mmc_host *host)
{
+ unregister_pm_notifier(&host->pm_notify);
mmc_stop_host(host);
#ifdef CONFIG_DEBUG_FS
diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h
index c2dc3d2d9f9a..8c87e1109a34 100644
--- a/drivers/mmc/core/host.h
+++ b/drivers/mmc/core/host.h
@@ -14,5 +14,7 @@
int mmc_register_host_class(void);
void mmc_unregister_host_class(void);
+void mmc_host_deeper_disable(struct work_struct *work);
+
#endif
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index e207dcf9e754..2338c761c74f 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -160,7 +160,6 @@ static int mmc_read_ext_csd(struct mmc_card *card)
{
int err;
u8 *ext_csd;
- unsigned int ext_csd_struct;
BUG_ON(!card);
@@ -207,16 +206,16 @@ static int mmc_read_ext_csd(struct mmc_card *card)
goto out;
}
- ext_csd_struct = ext_csd[EXT_CSD_REV];
- if (ext_csd_struct > 5) {
+ card->ext_csd.rev = ext_csd[EXT_CSD_REV];
+ if (card->ext_csd.rev > 3) {
printk(KERN_ERR "%s: unrecognised EXT_CSD structure "
"version %d\n", mmc_hostname(card->host),
- ext_csd_struct);
+ card->ext_csd.rev);
err = -EINVAL;
goto out;
}
- if (ext_csd_struct >= 2) {
+ if (card->ext_csd.rev >= 2) {
card->ext_csd.sectors =
ext_csd[EXT_CSD_SEC_CNT + 0] << 0 |
ext_csd[EXT_CSD_SEC_CNT + 1] << 8 |
@@ -226,7 +225,17 @@ static int mmc_read_ext_csd(struct mmc_card *card)
mmc_card_set_blockaddr(card);
}
+ card->ext_csd.boot_info = ext_csd[EXT_CSD_BOOT_INFO];
+ card->ext_csd.boot_size_mult = ext_csd[EXT_CSD_BOOT_SIZE_MULT];
+ card->ext_csd.boot_config = ext_csd[EXT_CSD_BOOT_CONFIG];
+ card->ext_csd.boot_bus_width = ext_csd[EXT_CSD_BOOT_BUS_WIDTH];
+ card->ext_csd.card_type = ext_csd[EXT_CSD_CARD_TYPE];
+
switch (ext_csd[EXT_CSD_CARD_TYPE]) {
+ case EXT_CSD_CARD_TYPE_DDR_52 | EXT_CSD_CARD_TYPE_52
+ | EXT_CSD_CARD_TYPE_26:
+ card->ext_csd.hs_max_dtr = 52000000;
+ break;
case EXT_CSD_CARD_TYPE_52 | EXT_CSD_CARD_TYPE_26:
card->ext_csd.hs_max_dtr = 52000000;
break;
@@ -238,15 +247,301 @@ static int mmc_read_ext_csd(struct mmc_card *card)
printk(KERN_WARNING "%s: card is mmc v4 but doesn't "
"support any high-speed modes.\n",
mmc_hostname(card->host));
+ printk(KERN_WARNING "%s: card type is 0x%x\n",
+ mmc_hostname(card->host), ext_csd[EXT_CSD_CARD_TYPE]);
goto out;
}
+ if (card->ext_csd.rev >= 3) {
+ u8 sa_shift = ext_csd[EXT_CSD_S_A_TIMEOUT];
+
+ /* Sleep / awake timeout in 100ns units */
+ if (sa_shift > 0 && sa_shift <= 0x17)
+ card->ext_csd.sa_timeout =
+ 1 << ext_csd[EXT_CSD_S_A_TIMEOUT];
+ }
+
out:
kfree(ext_csd);
return err;
}
+/* configure the boot partitions */
+static ssize_t
+setup_boot_partitions(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int err, busy = 0;
+ u32 part, new_part;
+ u8 *ext_csd, boot_config;
+ struct mmc_command cmd;
+ struct mmc_card *card = container_of(dev, struct mmc_card, dev);
+
+ BUG_ON(!card);
+
+ sscanf(buf, "%d\n", &part);
+
+ if (card->csd.mmca_vsn < CSD_SPEC_VER_4) {
+ printk(KERN_ERR "%s: invalid mmc version"
+ " mmc version is below version 4!)\n",
+ mmc_hostname(card->host));
+ return -EINVAL;
+ }
+
+ /* it's a normal SD/MMC but user request to configure boot partition */
+ if (card->ext_csd.boot_size_mult <= 0) {
+ printk(KERN_ERR "%s: this is a normal SD/MMC card"
+ " but you request to access boot partition!\n",
+ mmc_hostname(card->host));
+ return -EINVAL;
+ }
+
+ ext_csd = kmalloc(512, GFP_KERNEL);
+ if (!ext_csd) {
+ printk(KERN_ERR "%s: could not allocate a buffer to "
+ "receive the ext_csd.\n", mmc_hostname(card->host));
+ return -ENOMEM;
+ }
+
+ mmc_claim_host(card->host);
+ err = mmc_send_ext_csd(card, ext_csd);
+ if (err) {
+ printk(KERN_ERR "%s: unable to read EXT_CSD.\n",
+ mmc_hostname(card->host));
+ goto err_rtn;
+ }
+
+ /* enable the boot partition in boot mode */
+ /* boot enable be -
+ * 0x00 - disable boot enable.
+ * 0x08 - boot partition 1 is enabled for boot.
+ * 0x10 - boot partition 2 is enabled for boot.
+ * 0x38 - User area is enabled for boot.
+ */
+ switch (part & EXT_CSD_BOOT_PARTITION_ENABLE_MASK) {
+ case 0:
+ boot_config = (ext_csd[EXT_CSD_BOOT_CONFIG]
+ & ~EXT_CSD_BOOT_PARTITION_ENABLE_MASK
+ & ~EXT_CSD_BOOT_ACK_ENABLE);
+ break;
+ case EXT_CSD_BOOT_PARTITION_PART1:
+ boot_config = ((ext_csd[EXT_CSD_BOOT_CONFIG]
+ & ~EXT_CSD_BOOT_PARTITION_ENABLE_MASK)
+ | EXT_CSD_BOOT_PARTITION_PART1
+ | EXT_CSD_BOOT_ACK_ENABLE);
+ break;
+ case EXT_CSD_BOOT_PARTITION_PART2:
+ boot_config = ((ext_csd[EXT_CSD_BOOT_CONFIG]
+ & ~EXT_CSD_BOOT_PARTITION_ENABLE_MASK)
+ | EXT_CSD_BOOT_PARTITION_PART2
+ | EXT_CSD_BOOT_ACK_ENABLE);
+ break;
+ case EXT_CSD_BOOT_PARTITION_ENABLE_MASK:
+ boot_config = ((ext_csd[EXT_CSD_BOOT_CONFIG]
+ | EXT_CSD_BOOT_PARTITION_ENABLE_MASK)
+ & ~EXT_CSD_BOOT_ACK_ENABLE);
+ break;
+ default:
+ printk(KERN_ERR "%s: wrong boot config parameter"
+ " 00 (disable boot), 08 (enable boot1),"
+ "16 (enable boot2), 56 (User area)\n",
+ mmc_hostname(card->host));
+ err = -EINVAL;
+ goto err_rtn;
+ }
+
+ /* switch the partitions that used to be accessed in OS layer */
+ /* partition must be -
+ * 0 - user area
+ * 1 - boot partition 1
+ * 2 - boot partition 2
+ */
+ if ((part & EXT_CSD_BOOT_PARTITION_ACCESS_MASK) > 2) {
+ printk(KERN_ERR "%s: wrong partition id"
+ " 0 (user area), 1 (boot1), 2 (boot2)\n",
+ mmc_hostname(card->host));
+ err = -EINVAL;
+ goto err_rtn;
+ }
+
+ /* Send SWITCH command to change partition for access */
+ boot_config &= ~EXT_CSD_BOOT_PARTITION_ACCESS_MASK;
+ boot_config |= (part & EXT_CSD_BOOT_PARTITION_ACCESS_MASK);
+ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+ EXT_CSD_BOOT_CONFIG, boot_config);
+ if (err) {
+ printk(KERN_ERR "%s: fail to send SWITCH command"
+ " to card to swich partition for access!\n",
+ mmc_hostname(card->host));
+ goto err_rtn;
+ }
+
+ /* waiting for the card to finish the busy state */
+ do {
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
+ cmd.opcode = MMC_SEND_STATUS;
+ cmd.arg = card->rca << 16;
+ cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
+
+ err = mmc_wait_for_cmd(card->host, &cmd, 0);
+ if (err || busy > 100) {
+ printk(KERN_ERR "%s: failed to wait for"
+ "the busy state to end.\n",
+ mmc_hostname(card->host));
+ break;
+ }
+
+ if (!busy && !(cmd.resp[0] & R1_READY_FOR_DATA)) {
+ printk(KERN_INFO "%s: card is in busy state"
+ "pls wait for busy state to end.\n",
+ mmc_hostname(card->host));
+ }
+ busy++;
+ } while (!(cmd.resp[0] & R1_READY_FOR_DATA));
+
+ /* Now check whether it works */
+ err = mmc_send_ext_csd(card, ext_csd);
+ if (err) {
+ printk(KERN_ERR "%s: %d unable to re-read EXT_CSD.\n",
+ mmc_hostname(card->host), err);
+ goto err_rtn;
+ }
+
+ new_part = ext_csd[EXT_CSD_BOOT_CONFIG] &
+ EXT_CSD_BOOT_PARTITION_ACCESS_MASK;
+ if ((part & EXT_CSD_BOOT_PARTITION_ACCESS_MASK) != new_part) {
+ printk(KERN_ERR "%s: after SWITCH, current part id %d is not"
+ " same as requested partition %d!\n",
+ mmc_hostname(card->host), new_part, part);
+ goto err_rtn;
+ }
+ card->ext_csd.boot_config = ext_csd[EXT_CSD_BOOT_CONFIG];
+
+err_rtn:
+ mmc_release_host(card->host);
+ kfree(ext_csd);
+ if (err)
+ return err;
+ else
+ return count;
+}
+
+/* configure the boot bus */
+static ssize_t
+setup_boot_bus(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int err, busy = 0;
+ u32 boot_bus, new_bus;
+ u8 *ext_csd;
+ struct mmc_command cmd;
+ struct mmc_card *card = container_of(dev, struct mmc_card, dev);
+
+ BUG_ON(!card);
+
+ sscanf(buf, "%d\n", &boot_bus);
+
+ if (card->csd.mmca_vsn < CSD_SPEC_VER_4) {
+ printk(KERN_ERR "%s: invalid mmc version"
+ " mmc version is below version 4!)\n",
+ mmc_hostname(card->host));
+ return -EINVAL;
+ }
+
+ /* it's a normal SD/MMC but user request to configure boot bus */
+ if (card->ext_csd.boot_size_mult <= 0) {
+ printk(KERN_ERR "%s: this is a normal SD/MMC card"
+ " but you request to configure boot bus !\n",
+ mmc_hostname(card->host));
+ return -EINVAL;
+ }
+
+ ext_csd = kmalloc(512, GFP_KERNEL);
+ if (!ext_csd) {
+ printk(KERN_ERR "%s: could not allocate a buffer to "
+ "receive the ext_csd.\n", mmc_hostname(card->host));
+ return -ENOMEM;
+ }
+
+ mmc_claim_host(card->host);
+ err = mmc_send_ext_csd(card, ext_csd);
+ if (err) {
+ printk(KERN_ERR "%s: unable to read EXT_CSD.\n",
+ mmc_hostname(card->host));
+ goto err_rtn;
+ }
+
+ /* Configure the boot bus width when boot partition is enabled */
+ if (((boot_bus & EXT_CSD_BOOT_BUS_WIDTH_MODE_MASK) >> 3) > 2
+ || (boot_bus & EXT_CSD_BOOT_BUS_WIDTH_WIDTH_MASK) > 2
+ || (boot_bus & ~EXT_CSD_BOOT_BUS_WIDTH_MASK) > 0) {
+ printk(KERN_ERR "%s: Invalid inputs!\n",
+ mmc_hostname(card->host));
+ err = -EINVAL;
+ goto err_rtn;
+ }
+
+ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+ EXT_CSD_BOOT_BUS_WIDTH, boot_bus);
+ if (err) {
+ printk(KERN_ERR "%s: fail to send SWITCH command to "
+ "card to swich partition for access!\n",
+ mmc_hostname(card->host));
+ goto err_rtn;
+ }
+
+ /* waiting for the card to finish the busy state */
+ do {
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
+ cmd.opcode = MMC_SEND_STATUS;
+ cmd.arg = card->rca << 16;
+ cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
+
+ err = mmc_wait_for_cmd(card->host, &cmd, 0);
+ if (err || busy > 100) {
+ printk(KERN_ERR "%s: failed to wait for"
+ "the busy state to end.\n",
+ mmc_hostname(card->host));
+ break;
+ }
+
+ if (!busy && !(cmd.resp[0] & R1_READY_FOR_DATA)) {
+ printk(KERN_INFO "%s: card is in busy state"
+ "pls wait for busy state to end.\n",
+ mmc_hostname(card->host));
+ }
+ busy++;
+ } while (!(cmd.resp[0] & R1_READY_FOR_DATA));
+
+ /* Now check whether it works */
+ err = mmc_send_ext_csd(card, ext_csd);
+ if (err) {
+ printk(KERN_ERR "%s: %d unable to re-read EXT_CSD.\n",
+ mmc_hostname(card->host), err);
+ goto err_rtn;
+ }
+
+ new_bus = ext_csd[EXT_CSD_BOOT_BUS_WIDTH];
+ if (boot_bus != new_bus) {
+ printk(KERN_ERR "%s: after SWITCH, current boot bus mode %d"
+ " is not same as requested bus mode %d!\n",
+ mmc_hostname(card->host), new_bus, boot_bus);
+ goto err_rtn;
+ }
+ card->ext_csd.boot_bus_width = ext_csd[EXT_CSD_BOOT_BUS_WIDTH];
+
+err_rtn:
+ mmc_release_host(card->host);
+ kfree(ext_csd);
+ if (err)
+ return err;
+ else
+ return count;
+}
+
MMC_DEV_ATTR(cid, "%08x%08x%08x%08x\n", card->raw_cid[0], card->raw_cid[1],
card->raw_cid[2], card->raw_cid[3]);
MMC_DEV_ATTR(csd, "%08x%08x%08x%08x\n", card->raw_csd[0], card->raw_csd[1],
@@ -258,6 +553,12 @@ MMC_DEV_ATTR(manfid, "0x%06x\n", card->cid.manfid);
MMC_DEV_ATTR(name, "%s\n", card->cid.prod_name);
MMC_DEV_ATTR(oemid, "0x%04x\n", card->cid.oemid);
MMC_DEV_ATTR(serial, "0x%08x\n", card->cid.serial);
+MMC_DEV_ATTR(boot_info, "boot_info:0x%02x; boot_size:%04dKB;"
+ " boot_partition:0x%02x; boot_bus:0x%02x\n",
+ card->ext_csd.boot_info, card->ext_csd.boot_size_mult * 128,
+ card->ext_csd.boot_config, card->ext_csd.boot_bus_width);
+DEVICE_ATTR(boot_config, S_IWUGO, NULL, setup_boot_partitions);
+DEVICE_ATTR(boot_bus_config, S_IWUGO, NULL, setup_boot_bus);
static struct attribute *mmc_std_attrs[] = {
&dev_attr_cid.attr,
@@ -269,6 +570,9 @@ static struct attribute *mmc_std_attrs[] = {
&dev_attr_name.attr,
&dev_attr_oemid.attr,
&dev_attr_serial.attr,
+ &dev_attr_boot_info.attr,
+ &dev_attr_boot_config.attr,
+ &dev_attr_boot_bus_config.attr,
NULL,
};
@@ -434,10 +738,21 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
* Activate wide bus (if supported).
*/
if ((card->csd.mmca_vsn >= CSD_SPEC_VER_4) &&
- (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA))) {
+ (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA
+ | MMC_CAP_DATA_DDR))) {
unsigned ext_csd_bit, bus_width;
- if (host->caps & MMC_CAP_8_BIT_DATA) {
+ if ((host->caps & MMC_CAP_8_BIT_DATA) &&
+ (host->caps & MMC_CAP_DATA_DDR) &&
+ (card->ext_csd.card_type & MMC_DDR_MODE_MASK)) {
+ ext_csd_bit = EXT_CSD_BUS_WIDTH_8_DDR;
+ bus_width = MMC_BUS_WIDTH_8 | MMC_BUS_WIDTH_DDR;
+ } else if ((host->caps & MMC_CAP_4_BIT_DATA) &&
+ (host->caps & MMC_CAP_DATA_DDR) &&
+ (card->ext_csd.card_type & MMC_DDR_MODE_MASK)) {
+ ext_csd_bit = EXT_CSD_BUS_WIDTH_4_DDR;
+ bus_width = MMC_BUS_WIDTH_4 | MMC_BUS_WIDTH_DDR;
+ } else if (host->caps & MMC_CAP_8_BIT_DATA) {
ext_csd_bit = EXT_CSD_BUS_WIDTH_8;
bus_width = MMC_BUS_WIDTH_8;
} else {
@@ -507,12 +822,10 @@ static void mmc_detect(struct mmc_host *host)
}
}
-#ifdef CONFIG_MMC_UNSAFE_RESUME
-
/*
* Suspend callback from host.
*/
-static void mmc_suspend(struct mmc_host *host)
+static int mmc_suspend(struct mmc_host *host)
{
BUG_ON(!host);
BUG_ON(!host->card);
@@ -522,6 +835,8 @@ static void mmc_suspend(struct mmc_host *host)
mmc_deselect_cards(host);
host->card->state &= ~MMC_STATE_HIGHSPEED;
mmc_release_host(host);
+
+ return 0;
}
/*
@@ -530,7 +845,7 @@ static void mmc_suspend(struct mmc_host *host)
* This function tries to determine if the same card is still present
* and, if so, restore all state to it.
*/
-static void mmc_resume(struct mmc_host *host)
+static int mmc_resume(struct mmc_host *host)
{
int err;
@@ -541,30 +856,78 @@ static void mmc_resume(struct mmc_host *host)
err = mmc_init_card(host, host->ocr, host->card);
mmc_release_host(host);
- if (err) {
- mmc_remove(host);
+ return err;
+}
- mmc_claim_host(host);
- mmc_detach_bus(host);
- mmc_release_host(host);
+static void mmc_power_restore(struct mmc_host *host)
+{
+ host->card->state &= ~MMC_STATE_HIGHSPEED;
+ mmc_claim_host(host);
+ mmc_init_card(host, host->ocr, host->card);
+ mmc_release_host(host);
+}
+
+static int mmc_sleep(struct mmc_host *host)
+{
+ struct mmc_card *card = host->card;
+ int err = -ENOSYS;
+
+ if (card && card->ext_csd.rev >= 3) {
+ err = mmc_card_sleepawake(host, 1);
+ if (err < 0)
+ pr_debug("%s: Error %d while putting card into sleep",
+ mmc_hostname(host), err);
}
+ return err;
}
-#else
-
-#define mmc_suspend NULL
-#define mmc_resume NULL
+static int mmc_awake(struct mmc_host *host)
+{
+ struct mmc_card *card = host->card;
+ int err = -ENOSYS;
+
+ if (card && card->ext_csd.rev >= 3) {
+ err = mmc_card_sleepawake(host, 0);
+ if (err < 0)
+ pr_debug("%s: Error %d while awaking sleeping card",
+ mmc_hostname(host), err);
+ }
-#endif
+ return err;
+}
static const struct mmc_bus_ops mmc_ops = {
+ .awake = mmc_awake,
+ .sleep = mmc_sleep,
+ .remove = mmc_remove,
+ .detect = mmc_detect,
+ .suspend = NULL,
+ .resume = NULL,
+ .power_restore = mmc_power_restore,
+};
+
+static const struct mmc_bus_ops mmc_ops_unsafe = {
+ .awake = mmc_awake,
+ .sleep = mmc_sleep,
.remove = mmc_remove,
.detect = mmc_detect,
.suspend = mmc_suspend,
.resume = mmc_resume,
+ .power_restore = mmc_power_restore,
};
+static void mmc_attach_bus_ops(struct mmc_host *host)
+{
+ const struct mmc_bus_ops *bus_ops;
+
+ if (host->caps & MMC_CAP_NONREMOVABLE || !mmc_assume_removable)
+ bus_ops = &mmc_ops_unsafe;
+ else
+ bus_ops = &mmc_ops;
+ mmc_attach_bus(host, bus_ops);
+}
+
/*
* Starting point for MMC card init.
*/
@@ -575,7 +938,7 @@ int mmc_attach_mmc(struct mmc_host *host, u32 ocr)
BUG_ON(!host);
WARN_ON(!host->claimed);
- mmc_attach_bus(host, &mmc_ops);
+ mmc_attach_bus_ops(host);
/*
* We need to get OCR a different way for SPI.
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index 34ce2703d29a..355c6042cf65 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -57,6 +57,42 @@ int mmc_deselect_cards(struct mmc_host *host)
return _mmc_select_card(host, NULL);
}
+int mmc_card_sleepawake(struct mmc_host *host, int sleep)
+{
+ struct mmc_command cmd;
+ struct mmc_card *card = host->card;
+ int err;
+
+ if (sleep)
+ mmc_deselect_cards(host);
+
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
+ cmd.opcode = MMC_SLEEP_AWAKE;
+ cmd.arg = card->rca << 16;
+ if (sleep)
+ cmd.arg |= 1 << 15;
+
+ cmd.flags = MMC_RSP_R1B | MMC_CMD_AC;
+ err = mmc_wait_for_cmd(host, &cmd, 0);
+ if (err)
+ return err;
+
+ /*
+ * If the host does not wait while the card signals busy, then we will
+ * will have to wait the sleep/awake timeout. Note, we cannot use the
+ * SEND_STATUS command to poll the status because that command (and most
+ * others) is invalid while the card sleeps.
+ */
+ if (!(host->caps & MMC_CAP_WAIT_WHILE_BUSY))
+ mmc_delay(DIV_ROUND_UP(card->ext_csd.sa_timeout, 10000));
+
+ if (!sleep)
+ err = mmc_select_card(card);
+
+ return err;
+}
+
int mmc_go_idle(struct mmc_host *host)
{
int err;
diff --git a/drivers/mmc/core/mmc_ops.h b/drivers/mmc/core/mmc_ops.h
index 17854bf7cf0d..653eb8e84178 100644
--- a/drivers/mmc/core/mmc_ops.h
+++ b/drivers/mmc/core/mmc_ops.h
@@ -25,6 +25,7 @@ int mmc_send_status(struct mmc_card *card, u32 *status);
int mmc_send_cid(struct mmc_host *host, u32 *cid);
int mmc_spi_read_ocr(struct mmc_host *host, int highcap, u32 *ocrp);
int mmc_spi_set_crc(struct mmc_host *host, int use_crc);
+int mmc_card_sleepawake(struct mmc_host *host, int sleep);
#endif
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index cd81c395e164..4a73e34f9200 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -561,12 +561,10 @@ static void mmc_sd_detect(struct mmc_host *host)
}
}
-#ifdef CONFIG_MMC_UNSAFE_RESUME
-
/*
* Suspend callback from host.
*/
-static void mmc_sd_suspend(struct mmc_host *host)
+static int mmc_sd_suspend(struct mmc_host *host)
{
BUG_ON(!host);
BUG_ON(!host->card);
@@ -576,6 +574,8 @@ static void mmc_sd_suspend(struct mmc_host *host)
mmc_deselect_cards(host);
host->card->state &= ~MMC_STATE_HIGHSPEED;
mmc_release_host(host);
+
+ return 0;
}
/*
@@ -584,7 +584,7 @@ static void mmc_sd_suspend(struct mmc_host *host)
* This function tries to determine if the same card is still present
* and, if so, restore all state to it.
*/
-static void mmc_sd_resume(struct mmc_host *host)
+static int mmc_sd_resume(struct mmc_host *host)
{
int err;
@@ -595,30 +595,44 @@ static void mmc_sd_resume(struct mmc_host *host)
err = mmc_sd_init_card(host, host->ocr, host->card);
mmc_release_host(host);
- if (err) {
- mmc_sd_remove(host);
-
- mmc_claim_host(host);
- mmc_detach_bus(host);
- mmc_release_host(host);
- }
-
+ return err;
}
-#else
-
-#define mmc_sd_suspend NULL
-#define mmc_sd_resume NULL
-
-#endif
+static void mmc_sd_power_restore(struct mmc_host *host)
+{
+ host->card->state &= ~MMC_STATE_HIGHSPEED;
+ mmc_claim_host(host);
+ mmc_sd_init_card(host, host->ocr, host->card);
+ mmc_release_host(host);
+}
static const struct mmc_bus_ops mmc_sd_ops = {
.remove = mmc_sd_remove,
.detect = mmc_sd_detect,
+ .suspend = NULL,
+ .resume = NULL,
+ .power_restore = mmc_sd_power_restore,
+};
+
+static const struct mmc_bus_ops mmc_sd_ops_unsafe = {
+ .remove = mmc_sd_remove,
+ .detect = mmc_sd_detect,
.suspend = mmc_sd_suspend,
.resume = mmc_sd_resume,
+ .power_restore = mmc_sd_power_restore,
};
+static void mmc_sd_attach_bus_ops(struct mmc_host *host)
+{
+ const struct mmc_bus_ops *bus_ops;
+
+ if (host->caps & MMC_CAP_NONREMOVABLE || !mmc_assume_removable)
+ bus_ops = &mmc_sd_ops_unsafe;
+ else
+ bus_ops = &mmc_sd_ops;
+ mmc_attach_bus(host, bus_ops);
+}
+
/*
* Starting point for SD card init.
*/
@@ -629,7 +643,7 @@ int mmc_attach_sd(struct mmc_host *host, u32 ocr)
BUG_ON(!host);
WARN_ON(!host->claimed);
- mmc_attach_bus(host, &mmc_sd_ops);
+ mmc_sd_attach_bus_ops(host);
/*
* We need to get OCR a different way for SPI.
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index fb99ccff9080..7f3093dd2b49 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -195,6 +195,135 @@ static int sdio_enable_hs(struct mmc_card *card)
}
/*
+ * Handle the detection and initialisation of a card.
+ *
+ * In the case of a resume, "oldcard" will contain the card
+ * we're trying to reinitialise.
+ */
+static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
+ struct mmc_card *oldcard)
+{
+ struct mmc_card *card;
+ int err;
+
+ BUG_ON(!host);
+ WARN_ON(!host->claimed);
+
+ /*
+ * Inform the card of the voltage
+ */
+ err = mmc_send_io_op_cond(host, host->ocr, &ocr);
+ if (err)
+ goto err;
+
+ /*
+ * For SPI, enable CRC as appropriate.
+ */
+ if (mmc_host_is_spi(host)) {
+ err = mmc_spi_set_crc(host, use_spi_crc);
+ if (err)
+ goto err;
+ }
+
+ /*
+ * Allocate card structure.
+ */
+ card = mmc_alloc_card(host, NULL);
+ if (IS_ERR(card)) {
+ err = PTR_ERR(card);
+ goto err;
+ }
+
+ card->type = MMC_TYPE_SDIO;
+
+ /*
+ * For native busses: set card RCA and quit open drain mode.
+ */
+ if (!mmc_host_is_spi(host)) {
+ err = mmc_send_relative_addr(host, &card->rca);
+ if (err)
+ goto remove;
+
+ mmc_set_bus_mode(host, MMC_BUSMODE_PUSHPULL);
+ }
+
+ /*
+ * Select card, as all following commands rely on that.
+ */
+ if (!mmc_host_is_spi(host)) {
+ err = mmc_select_card(card);
+ if (err)
+ goto remove;
+ }
+
+ /*
+ * Read the common registers.
+ */
+ err = sdio_read_cccr(card);
+ if (err)
+ goto remove;
+
+ /*
+ * Read the common CIS tuples.
+ */
+ err = sdio_read_common_cis(card);
+ if (err)
+ goto remove;
+
+ if (oldcard) {
+ int same = (card->cis.vendor == oldcard->cis.vendor &&
+ card->cis.device == oldcard->cis.device);
+ mmc_remove_card(card);
+ if (!same) {
+ err = -ENOENT;
+ goto err;
+ }
+ card = oldcard;
+ return 0;
+ }
+
+ /*
+ * Switch to high-speed (if supported).
+ */
+ err = sdio_enable_hs(card);
+ if (err)
+ goto remove;
+
+ /*
+ * Change to the card's maximum speed.
+ */
+ if (mmc_card_highspeed(card)) {
+ /*
+ * The SDIO specification doesn't mention how
+ * the CIS transfer speed register relates to
+ * high-speed, but it seems that 50 MHz is
+ * mandatory.
+ */
+ mmc_set_clock(host, 50000000);
+ } else {
+ mmc_set_clock(host, card->cis.max_dtr);
+ }
+
+ /*
+ * Switch to wider bus (if supported).
+ */
+ err = sdio_enable_wide(card);
+ if (err)
+ goto remove;
+
+ if (!oldcard)
+ host->card = card;
+ return 0;
+
+remove:
+ if (!oldcard)
+ mmc_remove_card(card);
+
+err:
+ return err;
+}
+
+/*
* Host is being removed. Free up the current card.
*/
static void mmc_sdio_remove(struct mmc_host *host)
@@ -243,10 +372,77 @@ static void mmc_sdio_detect(struct mmc_host *host)
}
}
+/*
+ * SDIO suspend. We need to suspend all functions separately.
+ * Therefore all registered functions must have drivers with suspend
+ * and resume methods. Failing that we simply remove the whole card.
+ */
+static int mmc_sdio_suspend(struct mmc_host *host)
+{
+ int i, err = 0;
+
+ for (i = 0; i < host->card->sdio_funcs; i++) {
+ struct sdio_func *func = host->card->sdio_func[i];
+ if (func && sdio_func_present(func) && func->dev.driver) {
+ const struct dev_pm_ops *pmops = func->dev.driver->pm;
+ if (!pmops || !pmops->suspend || !pmops->resume) {
+ /* force removal of entire card in that case */
+ err = -ENOSYS;
+ } else
+ err = pmops->suspend(&func->dev);
+ if (err)
+ break;
+ }
+ }
+ while (err && --i >= 0) {
+ struct sdio_func *func = host->card->sdio_func[i];
+ if (func && sdio_func_present(func) && func->dev.driver) {
+ const struct dev_pm_ops *pmops = func->dev.driver->pm;
+ pmops->resume(&func->dev);
+ }
+ }
+
+ return err;
+}
+
+static int mmc_sdio_resume(struct mmc_host *host)
+{
+ int i, err;
+
+ BUG_ON(!host);
+ BUG_ON(!host->card);
+
+ /* Basic card reinitialization. */
+ mmc_claim_host(host);
+ err = mmc_sdio_init_card(host, host->ocr, host->card);
+ mmc_release_host(host);
+
+ /*
+ * If the card looked to be the same as before suspending, then
+ * we proceed to resume all card functions. If one of them returns
+ * an error then we simply return that error to the core and the
+ * card will be redetected as new. It is the responsibility of
+ * the function driver to perform further tests with the extra
+ * knowledge it has of the card to confirm the card is indeed the
+ * same as before suspending (same MAC address for network cards,
+ * etc.) and return an error otherwise.
+ */
+ for (i = 0; !err && i < host->card->sdio_funcs; i++) {
+ struct sdio_func *func = host->card->sdio_func[i];
+ if (func && sdio_func_present(func) && func->dev.driver) {
+ const struct dev_pm_ops *pmops = func->dev.driver->pm;
+ err = pmops->resume(&func->dev);
+ }
+ }
+
+ return err;
+}
static const struct mmc_bus_ops mmc_sdio_ops = {
.remove = mmc_sdio_remove,
.detect = mmc_sdio_detect,
+ .suspend = mmc_sdio_suspend,
+ .resume = mmc_sdio_resume,
};
diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c
index f61fc2d4cd0a..ff69a2feecd5 100644
--- a/drivers/mmc/core/sdio_io.c
+++ b/drivers/mmc/core/sdio_io.c
@@ -635,3 +635,52 @@ void sdio_f0_writeb(struct sdio_func *func, unsigned char b, unsigned int addr,
*err_ret = ret;
}
EXPORT_SYMBOL_GPL(sdio_f0_writeb);
+
+/**
+ * sdio_get_host_pm_caps - get host power management capabilities
+ * @func: SDIO function attached to host
+ *
+ * Returns a capability bitmask corresponding to power management
+ * features supported by the host controller that the card function
+ * might rely upon during a system suspend. The host doesn't need
+ * to be claimed, nor the function active, for this information to be
+ * obtained.
+ */
+mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func)
+{
+ BUG_ON(!func);
+ BUG_ON(!func->card);
+
+ return func->card->host->pm_caps;
+}
+EXPORT_SYMBOL_GPL(sdio_get_host_pm_caps);
+
+/**
+ * sdio_set_host_pm_flags - set wanted host power management capabilities
+ * @func: SDIO function attached to host
+ *
+ * Set a capability bitmask corresponding to wanted host controller
+ * power management features for the upcoming suspend state.
+ * This must be called, if needed, each time the suspend method of
+ * the function driver is called, and must contain only bits that
+ * were returned by sdio_get_host_pm_caps().
+ * The host doesn't need to be claimed, nor the function active,
+ * for this information to be set.
+ */
+int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags)
+{
+ struct mmc_host *host;
+
+ BUG_ON(!func);
+ BUG_ON(!func->card);
+
+ host = func->card->host;
+
+ if (flags & ~host->pm_caps)
+ return -EINVAL;
+
+ /* function suspend methods are serialized, hence no lock needed */
+ host->pm_flags |= flags;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(sdio_set_host_pm_flags);
diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c
index 208beeb23ed6..b6304fb8bf90 100644
--- a/drivers/mmc/core/sdio_ops.c
+++ b/drivers/mmc/core/sdio_ops.c
@@ -67,6 +67,61 @@ int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
return err;
}
+static int mmc_io_rw_direct_host(struct mmc_host *host, int write, unsigned fn,
+ unsigned addr, u8 in, u8 *out)
+{
+ struct mmc_command cmd;
+ int err;
+
+ BUG_ON(!host);
+ BUG_ON(fn > 7);
+
+ /* sanity check */
+ if (addr & ~0x1FFFF)
+ return -EINVAL;
+
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
+ cmd.opcode = SD_IO_RW_DIRECT;
+ cmd.arg = write ? 0x80000000 : 0x00000000;
+ cmd.arg |= fn << 28;
+ cmd.arg |= (write && out) ? 0x08000000 : 0x00000000;
+ cmd.arg |= addr << 9;
+ cmd.arg |= in;
+ cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_AC;
+
+ err = mmc_wait_for_cmd(host, &cmd, 0);
+ if (err)
+ return err;
+
+ if (mmc_host_is_spi(host)) {
+ /* host driver already reported errors */
+ } else {
+ if (cmd.resp[0] & R5_ERROR)
+ return -EIO;
+ if (cmd.resp[0] & R5_FUNCTION_NUMBER)
+ return -EINVAL;
+ if (cmd.resp[0] & R5_OUT_OF_RANGE)
+ return -ERANGE;
+ }
+
+ if (out) {
+ if (mmc_host_is_spi(host))
+ *out = (cmd.resp[0] >> 8) & 0xFF;
+ else
+ *out = cmd.resp[0] & 0xFF;
+ }
+
+ return 0;
+}
+
+int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
+ unsigned addr, u8 in, u8 *out)
+{
+ BUG_ON(!card);
+ return mmc_io_rw_direct_host(card->host, write, fn, addr, in, out);
+}
+
int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz)
{
@@ -134,62 +189,7 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
return 0;
}
-static int mmc_io_rw_direct_host(struct mmc_host *host, int write, unsigned fn,
- unsigned addr, u8 in, u8 *out)
-{
- struct mmc_command cmd;
- int err;
-
- BUG_ON(!host);
- BUG_ON(fn > 7);
-
- /* sanity check */
- if (addr & ~0x1FFFF)
- return -EINVAL;
-
- memset(&cmd, 0, sizeof(struct mmc_command));
-
- cmd.opcode = SD_IO_RW_DIRECT;
- cmd.arg = write ? 0x80000000 : 0x00000000;
- cmd.arg |= fn << 28;
- cmd.arg |= (write && out) ? 0x08000000 : 0x00000000;
- cmd.arg |= addr << 9;
- cmd.arg |= in;
- cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_AC;
-
- err = mmc_wait_for_cmd(host, &cmd, 0);
- if (err)
- return err;
-
- if (mmc_host_is_spi(host)) {
- /* host driver already reported errors */
- } else {
- if (cmd.resp[0] & R5_ERROR)
- return -EIO;
- if (cmd.resp[0] & R5_FUNCTION_NUMBER)
- return -EINVAL;
- if (cmd.resp[0] & R5_OUT_OF_RANGE)
- return -ERANGE;
- }
-
- if (out) {
- if (mmc_host_is_spi(host))
- *out = (cmd.resp[0] >> 8) & 0xFF;
- else
- *out = cmd.resp[0] & 0xFF;
- }
-
- return 0;
-}
-
-int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
- unsigned addr, u8 in, u8 *out)
-{
- BUG_ON(!card);
- return mmc_io_rw_direct_host(card->host, write, fn, addr, in, out);
-}
-
-int sdio_go_idle(struct mmc_host *host)
+int sdio_reset(struct mmc_host *host)
{
int ret;
u8 abort;
diff --git a/drivers/mmc/core/sdio_ops.h b/drivers/mmc/core/sdio_ops.h
index 9b546c71eb5e..85c7ecf809f4 100644
--- a/drivers/mmc/core/sdio_ops.h
+++ b/drivers/mmc/core/sdio_ops.h
@@ -18,6 +18,7 @@ int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz);
int sdio_go_idle(struct mmc_host *host);
+int sdio_reset(struct mmc_host *host);
#endif
diff --git a/drivers/mmc/host/mx_sdhci.c b/drivers/mmc/host/mx_sdhci.c
index 5a68a8e02fe2..732135308eb6 100644
--- a/drivers/mmc/host/mx_sdhci.c
+++ b/drivers/mmc/host/mx_sdhci.c
@@ -142,32 +142,32 @@ EXPORT_SYMBOL(mxc_mmc_force_detect);
static void sdhci_dumpregs(struct sdhci_host *host)
{
- printk(KERN_DEBUG DRIVER_NAME
+ printk(KERN_INFO DRIVER_NAME
": ============== REGISTER DUMP ==============\n");
- printk(KERN_DEBUG DRIVER_NAME ": Sys addr: 0x%08x | Version: 0x%08x\n",
+ printk(KERN_INFO DRIVER_NAME ": Sys addr: 0x%08x | Version: 0x%08x\n",
readl(host->ioaddr + SDHCI_DMA_ADDRESS),
readl(host->ioaddr + SDHCI_HOST_VERSION));
- printk(KERN_DEBUG DRIVER_NAME ": Blk size: 0x%08x | Blk cnt: 0x%08x\n",
+ printk(KERN_INFO DRIVER_NAME ": Blk size: 0x%08x | Blk cnt: 0x%08x\n",
(readl(host->ioaddr + SDHCI_BLOCK_SIZE) & 0xFFFF),
(readl(host->ioaddr + SDHCI_BLOCK_COUNT) >> 16));
- printk(KERN_DEBUG DRIVER_NAME ": Argument: 0x%08x | Trn mode: 0x%08x\n",
+ printk(KERN_INFO DRIVER_NAME ": Argument: 0x%08x | Trn mode: 0x%08x\n",
readl(host->ioaddr + SDHCI_ARGUMENT),
readl(host->ioaddr + SDHCI_TRANSFER_MODE));
- printk(KERN_DEBUG DRIVER_NAME ": Present: 0x%08x | Host ctl: 0x%08x\n",
+ printk(KERN_INFO DRIVER_NAME ": Present: 0x%08x | Host ctl: 0x%08x\n",
readl(host->ioaddr + SDHCI_PRESENT_STATE),
readl(host->ioaddr + SDHCI_HOST_CONTROL));
- printk(KERN_DEBUG DRIVER_NAME ": Clock: 0x%08x\n",
+ printk(KERN_INFO DRIVER_NAME ": Clock: 0x%08x\n",
readl(host->ioaddr + SDHCI_CLOCK_CONTROL));
- printk(KERN_DEBUG DRIVER_NAME ": Int stat: 0x%08x\n",
+ printk(KERN_INFO DRIVER_NAME ": Int stat: 0x%08x\n",
readl(host->ioaddr + SDHCI_INT_STATUS));
- printk(KERN_DEBUG DRIVER_NAME ": Int enab: 0x%08x | Sig enab: 0x%08x\n",
+ printk(KERN_INFO DRIVER_NAME ": Int enab: 0x%08x | Sig enab: 0x%08x\n",
readl(host->ioaddr + SDHCI_INT_ENABLE),
readl(host->ioaddr + SDHCI_SIGNAL_ENABLE));
- printk(KERN_DEBUG DRIVER_NAME ": Caps: 0x%08x\n",
+ printk(KERN_INFO DRIVER_NAME ": Caps: 0x%08x\n",
readl(host->ioaddr + SDHCI_CAPABILITIES));
- printk(KERN_DEBUG DRIVER_NAME
+ printk(KERN_INFO DRIVER_NAME
": ===========================================\n");
}
@@ -506,6 +506,30 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
host->flags &= ~SDHCI_REQ_USE_DMA;
}
+ if (cpu_is_mx25() && (data->blksz * data->blocks < 0x10)) {
+ host->flags &= ~SDHCI_REQ_USE_DMA;
+ DBG("Reverting to PIO in small data transfer.\n");
+ writel(readl(host->ioaddr + SDHCI_INT_ENABLE)
+ | SDHCI_INT_DATA_AVAIL
+ | SDHCI_INT_SPACE_AVAIL,
+ host->ioaddr + SDHCI_INT_ENABLE);
+ writel(readl(host->ioaddr + SDHCI_SIGNAL_ENABLE)
+ | SDHCI_INT_DATA_AVAIL
+ | SDHCI_INT_SPACE_AVAIL,
+ host->ioaddr + SDHCI_SIGNAL_ENABLE);
+ } else if (cpu_is_mx25() && (host->flags & SDHCI_USE_DMA)) {
+ host->flags |= SDHCI_REQ_USE_DMA;
+ DBG("Reverting to DMA in large data transfer.\n");
+ writel(readl(host->ioaddr + SDHCI_INT_ENABLE)
+ & ~(SDHCI_INT_DATA_AVAIL
+ | SDHCI_INT_SPACE_AVAIL),
+ host->ioaddr + SDHCI_INT_ENABLE);
+ writel(readl(host->ioaddr + SDHCI_SIGNAL_ENABLE)
+ & ~(SDHCI_INT_DATA_AVAIL
+ | SDHCI_INT_SPACE_AVAIL),
+ host->ioaddr + SDHCI_SIGNAL_ENABLE);
+ }
+
if (host->flags & SDHCI_REQ_USE_DMA) {
int i;
struct scatterlist *tsg;
@@ -644,7 +668,7 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
WARN_ON(host->cmd);
/* Wait max 10 ms */
- timeout = 5000;
+ timeout = 500;
mask = SDHCI_CMD_INHIBIT;
if ((cmd->data != NULL) || (cmd->flags & MMC_RSP_BUSY))
@@ -695,7 +719,7 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
mode |= SDHCI_TRNS_READ;
else
mode &= ~SDHCI_TRNS_READ;
- if (host->flags & SDHCI_USE_DMA)
+ if (host->flags & SDHCI_REQ_USE_DMA)
mode |= SDHCI_TRNS_DMA;
if (host->flags & SDHCI_USE_EXTERNAL_DMA)
DBG("Prepare data completely in %s transfer mode.\n",
@@ -727,6 +751,11 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
flags |= SDHCI_CMD_DATA;
mode |= SDHCI_MAKE_CMD(cmd->opcode, flags);
+ if (host->mmc->ios.bus_width & MMC_BUS_WIDTH_DDR) {
+ /* Eanble the DDR mode */
+ mode |= SDHCI_TRNS_DDR_EN;
+ } else
+ mode &= ~SDHCI_TRNS_DDR_EN;
DBG("Complete sending cmd, transfer mode would be 0x%x.\n", mode);
writel(mode, host->ioaddr + SDHCI_TRANSFER_MODE);
}
@@ -775,6 +804,7 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
int clk_rate = 0;
u32 clk;
unsigned long timeout;
+ struct mmc_ios ios = host->mmc->ios;
if (clock == 0) {
goto out;
@@ -784,17 +814,21 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
host->plat_data->clk_flg = 1;
}
}
- if (clock == host->clock)
+
+ if (clock == host->clock && !(ios.bus_width & MMC_BUS_WIDTH_DDR))
return;
clk_rate = clk_get_rate(host->clk);
clk = readl(host->ioaddr + SDHCI_CLOCK_CONTROL) & ~SDHCI_CLOCK_MASK;
- if (!cpu_is_mx53())
+ if (cpu_is_mx53() || cpu_is_mx50())
+ writel(clk | SDHCI_CLOCK_SDCLKFS1,
+ host->ioaddr + SDHCI_CLOCK_CONTROL);
+ else
writel(clk, host->ioaddr + SDHCI_CLOCK_CONTROL);
if (clock == host->min_clk)
prescaler = 16;
- else if (cpu_is_mx53())
+ else if (cpu_is_mx53() || cpu_is_mx50())
prescaler = 1;
else
prescaler = 0;
@@ -820,6 +854,21 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
DBG("prescaler = 0x%x, divider = 0x%x\n", prescaler, div);
clk |= (prescaler << 8) | (div << 4);
+ if (host->plat_data->clk_always_on
+ | (host->mmc->card && mmc_card_sdio(host->mmc->card)))
+ clk |= SDHCI_CLOCK_PER_EN | SDHCI_CLOCK_HLK_EN
+ | SDHCI_CLOCK_IPG_EN;
+ else
+ clk &= ~(SDHCI_CLOCK_PER_EN | SDHCI_CLOCK_HLK_EN
+ | SDHCI_CLOCK_IPG_EN);
+
+ /* Configure the clock delay line */
+ if ((host->plat_data->vendor_ver >= ESDHC_VENDOR_V3)
+ && host->plat_data->dll_override_en)
+ writel((host->plat_data->dll_delay_cells << 10)
+ | DLL_CTRL_SLV_OVERRIDE,
+ host->ioaddr + SDHCI_DLL_CONTROL);
+
/* Configure the clock control register */
clk |=
(readl(host->ioaddr + SDHCI_CLOCK_CONTROL) & (~SDHCI_CLOCK_MASK));
@@ -830,7 +879,7 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
host->ioaddr + SDHCI_CLOCK_CONTROL);
/* Wait max 10 ms */
- timeout = 5000;
+ timeout = 500;
while (timeout > 0) {
timeout--;
udelay(20);
@@ -933,8 +982,8 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
u32 tmp;
mxc_dma_device_t dev_id = 0;
- DBG("%s: clock %u, bus %lu, power %u, vdd %u\n", DRIVER_NAME,
- ios->clock, 1UL << ios->bus_width, ios->power_mode, ios->vdd);
+ DBG("%s: clock %u, bus %u, power %u, vdd %u\n", DRIVER_NAME,
+ ios->clock, ios->bus_width, ios->power_mode, ios->vdd);
host = mmc_priv(mmc);
@@ -1000,10 +1049,10 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
tmp = readl(host->ioaddr + SDHCI_HOST_CONTROL);
- if (ios->bus_width == MMC_BUS_WIDTH_4) {
+ if ((ios->bus_width & ~MMC_BUS_WIDTH_DDR) == MMC_BUS_WIDTH_4) {
tmp &= ~SDHCI_CTRL_8BITBUS;
tmp |= SDHCI_CTRL_4BITBUS;
- } else if (ios->bus_width == MMC_BUS_WIDTH_8) {
+ } else if ((ios->bus_width & ~MMC_BUS_WIDTH_DDR) == MMC_BUS_WIDTH_8) {
tmp &= ~SDHCI_CTRL_4BITBUS;
tmp |= SDHCI_CTRL_8BITBUS;
} else if (ios->bus_width == MMC_BUS_WIDTH_1) {
@@ -1044,7 +1093,7 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
{
struct sdhci_host *host;
unsigned long flags;
- u32 ier, prot, clk, present;
+ u32 ier, prot, present;
host = mmc_priv(mmc);
@@ -1057,19 +1106,12 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
if (--(host->sdio_enable))
goto exit_unlock;
}
- /* Enable the clock */
- if (!host->plat_data->clk_flg) {
- clk_enable(host->clk);
- host->plat_data->clk_flg = 1;
- }
- ier = readl(host->ioaddr + SDHCI_SIGNAL_ENABLE);
+
+ ier = readl(host->ioaddr + SDHCI_INT_ENABLE);
prot = readl(host->ioaddr + SDHCI_HOST_CONTROL);
- clk = readl(host->ioaddr + SDHCI_CLOCK_CONTROL);
if (enable) {
ier |= SDHCI_INT_CARD_INT;
- prot |= SDHCI_CTRL_D3CD;
- clk |= SDHCI_CLOCK_PER_EN | SDHCI_CLOCK_IPG_EN;
present = readl(host->ioaddr + SDHCI_PRESENT_STATE);
if ((present & SDHCI_CARD_INT_MASK) != SDHCI_CARD_INT_ID)
writel(SDHCI_INT_CARD_INT,
@@ -1077,12 +1119,24 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable)
} else {
ier &= ~SDHCI_INT_CARD_INT;
prot &= ~SDHCI_CTRL_D3CD;
- clk &= ~(SDHCI_CLOCK_PER_EN | SDHCI_CLOCK_IPG_EN);
}
writel(prot, host->ioaddr + SDHCI_HOST_CONTROL);
+ writel(ier, host->ioaddr + SDHCI_INT_ENABLE);
writel(ier, host->ioaddr + SDHCI_SIGNAL_ENABLE);
- writel(clk, host->ioaddr + SDHCI_CLOCK_CONTROL);
+
+ /*
+ * Using D3CD to manually driver the HW to re-sample the SDIO interrupt
+ * on bus one more time to guarantee the SDIO interrupt signal sent
+ * from card during the interrupt signal disabled period will not
+ * be lost.
+ */
+ prot |= SDHCI_CTRL_CDSS;
+ writel(prot, host->ioaddr + SDHCI_HOST_CONTROL);
+ prot &= ~SDHCI_CTRL_D3CD;
+ writel(prot, host->ioaddr + SDHCI_HOST_CONTROL);
+ prot |= SDHCI_CTRL_D3CD;
+ writel(prot, host->ioaddr + SDHCI_HOST_CONTROL);
mmiowb();
exit_unlock:
@@ -1208,7 +1262,7 @@ static void sdhci_tasklet_finish(unsigned long param)
* The root cause is that the ROM code don't ensure
* the SD/MMC clk is running when boot system.
* */
- if (!machine_is_mx35_3ds() && req_done && host->plat_data->clk_flg &&
+ if (req_done && host->plat_data->clk_flg &&
!(host->mmc && host->mmc->card && mmc_card_sdio(host->mmc->card))) {
clk_disable(host->clk);
host->plat_data->clk_flg = 0;
@@ -1786,8 +1840,10 @@ static int __devinit sdhci_probe_slot(struct platform_device
/* Get the SDHC clock from clock system APIs */
host->clk = clk_get(&pdev->dev, mmc_plat->clock_mmc);
- if (NULL == host->clk)
+ if (NULL == host->clk) {
printk(KERN_ERR "MXC MMC can't get clock.\n");
+ goto out1;
+ }
DBG("SDHC:%d clock:%lu\n", pdev->id, clk_get_rate(host->clk));
host->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -2001,9 +2057,6 @@ static int __devinit sdhci_probe_slot(struct platform_device
}
mxc_dma_callback_set(host->dma, sdhci_dma_irq, (void *)host);
}
-#ifdef CONFIG_MMC_DEBUG
- sdhci_dumpregs(host);
-#endif
mmiowb();
diff --git a/drivers/mmc/host/mx_sdhci.h b/drivers/mmc/host/mx_sdhci.h
index 0bd79934952e..83d02975ecd1 100644
--- a/drivers/mmc/host/mx_sdhci.h
+++ b/drivers/mmc/host/mx_sdhci.h
@@ -2,7 +2,6 @@
* linux/drivers/mmc/host/mx_sdhci.h - Secure Digital Host
* Controller Interface driver
*
- * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved.
* Copyright (C) 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
@@ -28,6 +27,7 @@
#define SDHCI_TRNS_DMA 0x00000001
#define SDHCI_TRNS_BLK_CNT_EN 0x00000002
#define SDHCI_TRNS_ACMD12 0x00000004
+#define SDHCI_TRNS_DDR_EN 0x00000008
#define SDHCI_TRNS_READ 0x00000010
#define SDHCI_TRNS_MULTI 0x00000020
#define SDHCI_TRNS_DPSEL 0x00200000
@@ -69,6 +69,7 @@
#define SDHCI_CTRL_4BITBUS 0x00000002
#define SDHCI_CTRL_8BITBUS 0x00000004
#define SDHCI_CTRL_HISPD 0x00000004
+#define SDHCI_CTRL_CDSS 0x80
#define SDHCI_CTRL_DMA_MASK 0x18
#define SDHCI_CTRL_SDMA 0x00
#define SDHCI_CTRL_ADMA1 0x08
@@ -95,6 +96,7 @@
#define SDHCI_CLOCK_PER_EN 0x00000004
#define SDHCI_CLOCK_HLK_EN 0x00000002
#define SDHCI_CLOCK_IPG_EN 0x00000001
+#define SDHCI_CLOCK_SDCLKFS1 0x00000100
#define SDHCI_CLOCK_MASK 0x0000FFFF
#define SDHCI_TIMEOUT_CONTROL 0x2E
@@ -188,6 +190,18 @@
#define SDHCI_ADMA_ADDRESS 0x58
/* 60-FB reserved */
+#define SDHCI_DLL_CONTROL 0x60
+#define DLL_CTRL_ENABLE 0x00000001
+#define DLL_CTRL_RESET 0x00000002
+#define DLL_CTRL_SLV_FORCE_UPD 0x00000004
+#define DLL_CTRL_SLV_OVERRIDE 0x00000200
+#define DLL_CTRL_SLV_DLY_TAR 0x00000000
+#define DLL_CTRL_SLV_UP_INT 0x00200000
+#define DLL_CTRL_REF_UP_INT 0x20000000
+
+#define SDHCI_DLL_STATUS 0x64
+#define DLL_STS_SLV_LOCK 0x00000001
+#define DLL_STS_REF_LOCK 0x00000002
/* ADMA Addr Descriptor Attribute Filed */
enum {
@@ -207,6 +221,7 @@ enum {
#define SDHCI_SPEC_100 0
#define SDHCI_SPEC_200 1
#define ESDHC_VENDOR_V22 0x12
+#define ESDHC_VENDOR_V3 0x13
struct sdhci_chip;
diff --git a/drivers/mmc/host/mxc_mmc.c b/drivers/mmc/host/mxc_mmc.c
index 980dc98c9b5f..9cb492f40145 100644
--- a/drivers/mmc/host/mxc_mmc.c
+++ b/drivers/mmc/host/mxc_mmc.c
@@ -13,7 +13,7 @@
*/
/*
- * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -1232,7 +1232,7 @@ static int mxcmci_probe(struct platform_device *pdev)
mmc->f_max = mmc_plat->max_clk;
mmc->max_req_size = 32 * 1024;
mmc->max_seg_size = mmc->max_req_size;
- mmc->max_blk_count = 65536;
+ mmc->max_blk_count = 32;
spin_lock_init(&host->lock);
host->mmc = mmc;
diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c
index c60352247c49..b7210b7d7af3 100644
--- a/drivers/mmc/host/mxs-mmc.c
+++ b/drivers/mmc/host/mxs-mmc.c
@@ -49,7 +49,7 @@
#define MXS_MMC_DETECT_TIMEOUT (HZ/2)
/* Max value supported for XFER_COUNT */
-#define SSP_BUFFER_SIZE (65536)
+#define SSP_BUFFER_SIZE (65535)
#ifndef BF
#define BF(value, field) (((value) << BP_##field) & BM_##field)
@@ -93,6 +93,9 @@
#define BF_SSP_BLOCK_SIZE_BLOCK_SIZE(v) \
(((v) << 16) & BM_SSP_BLOCK_SIZE_BLOCK_SIZE)
#endif
+#ifndef BM_SSP_CMD0_DBL_DATA_RATE_EN
+#define BM_SSP_CMD0_DBL_DATA_RATE_EN 0x02000000
+#endif
struct mxs_mmc_host {
struct device *dev;
@@ -159,6 +162,7 @@ static inline int mxs_mmc_is_plugged(struct mxs_mmc_host *host)
return !(status & BM_SSP_STATUS_CARD_DETECT);
}
+static void mxs_mmc_reset(struct mxs_mmc_host *host);
/* Card detection polling function */
static void mxs_mmc_detect_poll(unsigned long arg)
{
@@ -167,6 +171,8 @@ static void mxs_mmc_detect_poll(unsigned long arg)
card_status = mxs_mmc_is_plugged(host);
if (card_status != host->present) {
+ /* Reset MMC block */
+ mxs_mmc_reset(host);
host->present = card_status;
mmc_detect_change(host->mmc, 0);
}
@@ -183,6 +189,12 @@ static void mxs_mmc_detect_poll(unsigned long arg)
BM_SSP_CTRL1_RECV_TIMEOUT_IRQ | \
BM_SSP_CTRL1_FIFO_OVERRUN_IRQ)
+#define MXS_MMC_ERR_BITS (BM_SSP_CTRL1_RESP_ERR_IRQ | \
+ BM_SSP_CTRL1_RESP_TIMEOUT_IRQ | \
+ BM_SSP_CTRL1_DATA_TIMEOUT_IRQ | \
+ BM_SSP_CTRL1_DATA_CRC_IRQ | \
+ BM_SSP_CTRL1_RECV_TIMEOUT_IRQ)
+
/* SSP DMA interrupt handler */
static irqreturn_t mmc_irq_handler(int irq, void *dev_id)
{
@@ -198,19 +210,17 @@ static irqreturn_t mmc_irq_handler(int irq, void *dev_id)
/* STOP the dma transfer here. */
mxs_dma_cooked(host->dmach, NULL);
}
- host->status =
- __raw_readl(host->ssp_base + HW_SSP_STATUS);
- if (host->cmd) /* else it is a bogus interrupt */
- complete(&host->dma_done);
+ if ((irq == host->dmairq) || (c1 & MXS_MMC_ERR_BITS))
+ if (host->cmd) {
+ host->status =
+ __raw_readl(host->ssp_base + HW_SSP_STATUS);
+ complete(&host->dma_done);
+ }
- if ((c1 & BM_SSP_CTRL1_SDIO_IRQ) && (c1 & BM_SSP_CTRL1_SDIO_IRQ_EN)) {
- __raw_writel(BM_SSP_CTRL0_SDIO_IRQ_CHECK, host->ssp_base + \
- HW_SSP_CTRL0_CLR);
- __raw_writel(BM_SSP_CTRL1_SDIO_IRQ_EN, host->ssp_base + \
- HW_SSP_CTRL1_CLR);
+ if ((c1 & BM_SSP_CTRL1_SDIO_IRQ) && (c1 & BM_SSP_CTRL1_SDIO_IRQ_EN))
mmc_signal_sdio_irq(host->mmc);
- }
+
return IRQ_HANDLED;
}
@@ -239,6 +249,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host)
{
struct mmc_command *cmd = host->cmd;
struct mxs_dma_desc *dma_desc = host->dma_desc;
+ unsigned long flags;
dma_desc->cmd.cmd.bits.command = NO_DMA_XFER;
dma_desc->cmd.cmd.bits.irq = 1;
@@ -255,7 +266,8 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host)
if (host->sdio_irq_en) {
dma_desc->cmd.pio_words[0] |= BM_SSP_CTRL0_SDIO_IRQ_CHECK;
- dma_desc->cmd.pio_words[1] |= BM_SSP_CMD0_CONT_CLKING_EN;
+ dma_desc->cmd.pio_words[1] |= BM_SSP_CMD0_CONT_CLKING_EN \
+ | BM_SSP_CMD0_SLOW_CLKING_EN;
}
init_completion(&host->dma_done);
@@ -265,6 +277,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host)
dev_dbg(host->dev, "%s start DMA.\n", __func__);
if (mxs_dma_enable(host->dmach) < 0)
dev_err(host->dev, "mmc_dma_enable failed\n");
+
wait_for_completion(&host->dma_done);
cmd->error = mxs_mmc_cmd_error(host->status);
@@ -273,6 +286,7 @@ static void mxs_mmc_bc(struct mxs_mmc_host *host)
dev_dbg(host->dev, "Command error 0x%x\n", cmd->error);
mxs_dma_reset(host->dmach);
}
+ mxs_dma_disable(host->dmach);
}
/* Send the ac command to the device */
@@ -284,6 +298,7 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
u32 ssp_ctrl0;
u32 ssp_cmd0;
u32 ssp_cmd1;
+ unsigned long flags;
ignore_crc = (mmc_resp_type(cmd) & MMC_RSP_CRC) ?
0 : BM_SSP_CTRL0_IGNORE_CRC;
@@ -305,7 +320,8 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
if (host->sdio_irq_en) {
ssp_ctrl0 |= BM_SSP_CTRL0_SDIO_IRQ_CHECK;
- ssp_cmd0 |= BM_SSP_CMD0_CONT_CLKING_EN;
+ ssp_cmd0 |= BM_SSP_CMD0_CONT_CLKING_EN \
+ | BM_SSP_CMD0_SLOW_CLKING_EN;
}
dma_desc->cmd.pio_words[0] = ssp_ctrl0;
@@ -356,6 +372,7 @@ static void mxs_mmc_ac(struct mxs_mmc_host *host)
dev_dbg(host->dev, "Command error 0x%x\n", cmd->error);
mxs_dma_reset(host->dmach);
}
+ mxs_dma_disable(host->dmach);
}
/* Copy data between sg list and dma buffer */
@@ -451,6 +468,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
u32 data_size = cmd->data->blksz * cmd->data->blocks;
u32 log2_block_size;
+ unsigned long flags;
ignore_crc = mmc_resp_type(cmd) & MMC_RSP_CRC ? 0 : 1;
resp = mmc_resp_type(cmd) & MMC_RSP_PRESENT ? 1 : 0;
@@ -540,6 +558,9 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
dev_dbg(host->dev, "%s blksz is 0x%x.\n", __func__, log2_block_size);
if (ssp_ver_major > 3) {
+ /* Configure the CMD0 */
+ ssp_cmd0 = BF(cmd->opcode, SSP_CMD0_CMD);
+
/* Configure the BLOCK SIZE and BLOCK COUNT */
if ((1<<log2_block_size) != cmd->data->blksz) {
BUG_ON(cmd->data->blocks > 1);
@@ -548,20 +569,32 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
val = BF(log2_block_size, SSP_BLOCK_SIZE_BLOCK_SIZE) |
BF(cmd->data->blocks - 1, SSP_BLOCK_SIZE_BLOCK_COUNT);
__raw_writel(val, host->ssp_base + HW_SSP_BLOCK_SIZE);
- }
- /* Configure the CMD0 */
- ssp_cmd0 = BF(cmd->opcode, SSP_CMD0_CMD);
- } else
- ssp_cmd0 =
- BF(log2_block_size, SSP_BLOCK_SIZE_BLOCK_SIZE) |
- BF(cmd->opcode, SSP_CMD0_CMD) |
- BF(cmd->data->blocks - 1, SSP_BLOCK_SIZE_BLOCK_COUNT);
+ if (host->mmc->ios.bus_width & MMC_BUS_WIDTH_DDR)
+ /* Enable the DDR mode */
+ ssp_cmd0 |= BM_SSP_CMD0_DBL_DATA_RATE_EN;
+ else
+ ssp_cmd0 &= ~BM_SSP_CMD0_DBL_DATA_RATE_EN;
+ }
+ } else {
+ if ((1<<log2_block_size) != cmd->data->blksz) {
+ BUG_ON(cmd->data->blocks > 1);
+ ssp_cmd0 =
+ BF(0, SSP_BLOCK_SIZE_BLOCK_SIZE) |
+ BF(cmd->opcode, SSP_CMD0_CMD) |
+ BF(0, SSP_BLOCK_SIZE_BLOCK_COUNT);
+ } else
+ ssp_cmd0 =
+ BF(log2_block_size, SSP_BLOCK_SIZE_BLOCK_SIZE) |
+ BF(cmd->opcode, SSP_CMD0_CMD) |
+ BF(cmd->data->blocks - 1, SSP_BLOCK_SIZE_BLOCK_COUNT);
+ }
if (host->sdio_irq_en) {
ssp_ctrl0 |= BM_SSP_CTRL0_SDIO_IRQ_CHECK;
- ssp_cmd0 |= BM_SSP_CMD0_CONT_CLKING_EN;
+ ssp_cmd0 |= BM_SSP_CMD0_CONT_CLKING_EN \
+ | BM_SSP_CMD0_SLOW_CLKING_EN;
}
- if (cmd->opcode == 12)
+ if ((cmd->opcode == 12) || (cmd->opcode == 53))
ssp_cmd0 |= BM_SSP_CMD0_APPEND_8CYC;
ssp_cmd1 = BF(cmd->arg, SSP_CMD1_CMD_ARG);
@@ -628,6 +661,7 @@ static void mxs_mmc_adtc(struct mxs_mmc_host *host)
dev_dbg(host->dev, "Transferred %u bytes\n",
cmd->data->bytes_xfered);
}
+ mxs_dma_disable(host->dmach);
}
/* Begin sedning a command to the card */
@@ -672,6 +706,13 @@ static void mxs_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
dev_dbg(host->dev, "MMC request\n");
+ if (!host->present) {
+ mrq->cmd->error = -ETIMEDOUT;
+ mmc_request_done(mmc, mrq);
+ return;
+ }
+
+ BUG_ON(host->mrq != NULL);
host->mrq = mrq;
mxs_mmc_start_cmd(host, mrq->cmd);
@@ -777,9 +818,9 @@ static void mxs_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
dev_warn(host->dev,
"Platform does not support CMD pin pullup control\n");
- if (ios->bus_width == MMC_BUS_WIDTH_8)
+ if ((ios->bus_width & ~MMC_BUS_WIDTH_DDR) == MMC_BUS_WIDTH_8)
host->bus_width = 2;
- else if (ios->bus_width == MMC_BUS_WIDTH_4)
+ else if ((ios->bus_width & ~MMC_BUS_WIDTH_DDR) == MMC_BUS_WIDTH_4)
host->bus_width = 1;
else
host->bus_width = 0;
@@ -851,7 +892,6 @@ static void mxs_mmc_reset(struct mxs_mmc_host *host)
/* Configure SSP Control Register 1 */
ssp_ctrl1 =
BM_SSP_CTRL1_DMA_ENABLE |
- BM_SSP_CTRL1_POLARITY |
BM_SSP_CTRL1_RECV_TIMEOUT_IRQ_EN |
BM_SSP_CTRL1_DATA_CRC_IRQ_EN |
BM_SSP_CTRL1_DATA_TIMEOUT_IRQ_EN |
diff --git a/drivers/mtd/devices/mxc_dataflash.c b/drivers/mtd/devices/mxc_dataflash.c
index ab75d743a05b..0ed701d6778c 100644
--- a/drivers/mtd/devices/mxc_dataflash.c
+++ b/drivers/mtd/devices/mxc_dataflash.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
* (c) 2005 MontaVista Software, Inc.
*
* This code is based on mtd_dataflash.c by adding FSL spi access.
@@ -22,10 +22,10 @@
#include <linux/err.h>
#include <linux/spi/spi.h>
-#include <linux/spi/flash.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
+#include <asm/mach/flash.h>
/*
* DataFlash is a kind of SPI flash. Most AT45 chips have two buffers in
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index 8f1eebf8d3b3..1a85f6d5543b 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -434,49 +434,9 @@ config MXC_NAND_LOW_LEVEL_ERASE
This enables the erase of whole NAND flash. By
default low level erase operation is disabled.
-config MTD_NAND_GPMI_LBA
- tristate "GPMI LBA NAND driver"
- depends on MTD_NAND && ARCH_STMP3XXX
- help
- Enables support of LBA devices on GPMI on 37xx/378x SigmaTel
- boards
-
-config MTD_NAND_GPMI
- tristate "GPMI NAND driver"
- depends on MTD_NAND && ARCH_STMP3XXX && !MTD_NAND_GPMI_LBA
- help
- Enables support of NAND devices on GPMI on 37xx/378x SigmaTel
- boards
-
-config MTD_NAND_GPMI_SYSFS_ENTRIES
- bool "Create /sys entries for GPMI device"
- depends on MTD_NAND_GPMI
- help
- Check this to enable /sys entries for GPMI devices
-
-config MTD_NAND_GPMI_BCH
- bool "Enable BCH HWECC"
- depends on MTD_NAND_GPMI
- depends on ARCH_STMP378X
- default y
- help
- Check this to enable /sys entries for GPMI devices
-
-config MTD_NAND_GPMI_TA1
- bool "Support for TA1 NCB format (Hamming code 22,16)"
- depends on MTD_NAND_GPMI
- depends on ARCH_STMP378X
- default y
-
-config MTD_NAND_GPMI_TA3
- bool "Support for TA3 NCB format (Hamming code 13,8)"
- depends on MTD_NAND_GPMI
- depends on ARCH_STMP378X
- default y
-
-config MTD_NAND_GPMI1
- tristate "GPMI NAND Flash driver"
- depends on MTD_NAND && ARCH_MX28
+config MTD_NAND_GPMI_NFC
+ tristate "GPMI NAND Flash Controller driver"
+ depends on MTD_NAND && (ARCH_MX23 || ARCH_MX28 || ARCH_MX50)
help
Enables NAND Flash support.
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 730f5db16e1d..2245a8df441b 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -41,9 +41,7 @@ obj-$(CONFIG_MTD_NAND_IMX_NFC) += imx_nfc.o
obj-$(CONFIG_MTD_NAND_MXC) += mxc_nand.o
obj-$(CONFIG_MTD_NAND_MXC_V2) += mxc_nd2.o nand_device_info.o
obj-$(CONFIG_MTD_NAND_MXC_V3) += mxc_nd2.o nand_device_info.o
-obj-$(CONFIG_MTD_NAND_GPMI) += gpmi/ nand_device_info.o
-obj-$(CONFIG_MTD_NAND_GPMI1) += gpmi1/ nand_device_info.o
-obj-$(CONFIG_MTD_NAND_GPMI_LBA) += lba/
+obj-$(CONFIG_MTD_NAND_GPMI_NFC) += gpmi-nfc/ nand_device_info.o
obj-$(CONFIG_MTD_NAND_SOCRATES) += socrates_nand.o
obj-$(CONFIG_MTD_NAND_TXX9NDFMC) += txx9ndfmc.o
diff --git a/drivers/mtd/nand/mxc_nd2.c b/drivers/mtd/nand/mxc_nd2.c
index 46e6380fe462..80533ac42e9c 100644
--- a/drivers/mtd/nand/mxc_nd2.c
+++ b/drivers/mtd/nand/mxc_nd2.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -32,12 +32,15 @@
/* Global address Variables */
static void __iomem *nfc_axi_base, *nfc_ip_base;
+static int nfc_irq;
struct mxc_mtd_s {
struct mtd_info mtd;
struct nand_chip nand;
struct mtd_partition *parts;
struct device *dev;
+ int disable_bi_swap; /* disable bi swap */
+ int clk_active;
};
static struct mxc_mtd_s *mxc_nand_data;
@@ -117,6 +120,49 @@ static const char *part_probes[] = {
static wait_queue_head_t irq_waitq;
+#if 0
+static void nand_page_dump(struct mtd_info *mtd, u8 *dbuf, u8* obuf)
+{
+ int i;
+
+ if (dbuf != NULL) {
+ printk("\nData buffer:");
+ for (i = 0; i < mtd->writesize; i++) {
+ if (!(i % 8)) printk("\n%03x: ", i);
+ printk("%02x ", dbuf[i]);
+ }
+ }
+ printk("\n");
+ if (obuf != NULL) {
+ printk("\nOOB buffer:");
+ for (i = 0; i < mtd->oobsize; i++) {
+ if (!(i % 8)) printk("\n%02x: ", i);
+ printk("%02x ", obuf[i]);
+ }
+ }
+ printk("\n");
+}
+#endif
+
+#ifdef CONFIG_MXC_NAND_SWAP_BI
+#define PART_UBOOT_SIZE 0xc0000
+#define SKIP_SWAP_BI_MAX_PAGE (PART_UBOOT_SIZE / 0x800)
+inline int skip_swap_bi(int page)
+{
+ /**
+ * Seems that the boot code of the i.mx515 rom is not able to
+ * boot from a nand flash when the data has been written swapping
+ * the bad block byte. Avoid doing that (the swapping) when
+ * programming U-Boot into the flash.
+ */
+ if (page < SKIP_SWAP_BI_MAX_PAGE)
+ return 1;
+ return 0;
+}
+#else
+inline int skip_swap_bi(int page_addr) { return 1; }
+#endif
+
static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
{
/* Disable Interuupt */
@@ -126,6 +172,30 @@ static irqreturn_t mxc_nfc_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static void mxc_nand_bi_swap(struct mtd_info *mtd, int page_addr)
+{
+ u16 ma, sa, nma, nsa;
+
+ if (!IS_LARGE_PAGE_NAND)
+ return;
+
+ /* Disable bi swap if the user set disable_bi_swap at sys entry */
+ if (mxc_nand_data->disable_bi_swap)
+ return;
+
+ if (skip_swap_bi(page_addr))
+ return;
+
+ ma = __raw_readw(BAD_BLK_MARKER_MAIN);
+ sa = __raw_readw(BAD_BLK_MARKER_SP);
+
+ nma = (ma & 0xFF00) | (sa >> 8);
+ nsa = (sa & 0x00FF) | (ma << 8);
+
+ __raw_writew(nma, BAD_BLK_MARKER_MAIN);
+ __raw_writew(nsa, BAD_BLK_MARKER_SP);
+}
+
static void nfc_memcpy(void *dest, void *src, int len)
{
u8 *d = dest;
@@ -287,6 +357,7 @@ static void auto_cmd_interleave(struct mtd_info *mtd, u16 cmd)
/* data transfer */
memcpy(MAIN_AREA0, dbuf, dlen);
copy_spare(mtd, obuf, SPARE_AREA0, olen, false);
+ mxc_nand_bi_swap(mtd, page_addr - 1);
/* update the value */
dbuf += dlen;
@@ -316,6 +387,7 @@ static void auto_cmd_interleave(struct mtd_info *mtd, u16 cmd)
mxc_check_ecc_status(mtd);
/* data transfer */
+ mxc_nand_bi_swap(mtd, page_addr - 1);
memcpy(dbuf, MAIN_AREA0, dlen);
copy_spare(mtd, obuf, SPARE_AREA0, olen, true);
@@ -558,10 +630,7 @@ static int mxc_check_ecc_status(struct mtd_info *mtd)
u32 ecc_stat, err;
int no_subpages = 1;
int ret = 0;
- u8 ecc_bit_mask, err_limit;
-
- ecc_bit_mask = (IS_4BIT_ECC ? 0x7 : 0xf);
- err_limit = (IS_4BIT_ECC ? 0x4 : 0x8);
+ u8 ecc_bit_mask = 0xf;
no_subpages = mtd->writesize >> 9;
@@ -570,7 +639,7 @@ static int mxc_check_ecc_status(struct mtd_info *mtd)
ecc_stat = GET_NFC_ECC_STATUS();
do {
err = ecc_stat & ecc_bit_mask;
- if (err > err_limit) {
+ if (err == ecc_bit_mask) {
mtd->ecc_stats.failed++;
printk(KERN_WARNING "UnCorrectable RS-ECC Error\n");
return -1;
@@ -580,8 +649,7 @@ static int mxc_check_ecc_status(struct mtd_info *mtd)
ecc_stat >>= 4;
} while (--no_subpages);
- mtd->ecc_stats.corrected += ret;
- pr_debug("%d Symbol Correctable RS-ECC Error\n", ret);
+ pr_debug("Correctable ECC Error(%d)\n", ret);
return ret;
}
@@ -774,6 +842,30 @@ static int mxc_nand_verify_buf(struct mtd_info *mtd, const u_char * buf,
}
/*!
+ * This function will enable NFC clock
+ *
+ */
+static inline void mxc_nand_clk_enable(void)
+{
+ if (!mxc_nand_data->clk_active) {
+ clk_enable(nfc_clk);
+ mxc_nand_data->clk_active = 1;
+ }
+}
+
+/*!
+ * This function will disable NFC clock
+ *
+ */
+static inline void mxc_nand_clk_disable(void)
+{
+ if (mxc_nand_data->clk_active) {
+ clk_disable(nfc_clk);
+ mxc_nand_data->clk_active = 0;
+ }
+}
+
+/*!
* This function is used by upper layer for select and deselect of the NAND
* chip
*
@@ -786,13 +878,14 @@ static void mxc_nand_select_chip(struct mtd_info *mtd, int chip)
switch (chip) {
case -1:
/* Disable the NFC clock */
- clk_disable(nfc_clk);
+ mxc_nand_clk_disable();
+
break;
- case 0 ... 7:
+ case 0 ... NFC_GET_MAXCHIP_SP():
/* Enable the NFC clock */
- clk_enable(nfc_clk);
-
+ mxc_nand_clk_enable();
NFC_SET_NFC_ACTIVE_CS(chip);
+
break;
default:
@@ -930,6 +1023,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
*/
nfc_memcpy(MAIN_AREA0, data_buf, mtd->writesize);
copy_spare(mtd, oob_buf, SPARE_AREA0, mtd->oobsize, false);
+ mxc_nand_bi_swap(mtd, page_addr);
#endif
if (IS_LARGE_PAGE_NAND)
@@ -980,10 +1074,10 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
* byte alignment, so we can use
* memcpy safely
*/
+ mxc_nand_bi_swap(mtd, page_addr);
nfc_memcpy(data_buf, MAIN_AREA0, mtd->writesize);
copy_spare(mtd, oob_buf, SPARE_AREA0, mtd->oobsize, true);
#endif
-
break;
case NAND_CMD_READID:
@@ -1096,6 +1190,14 @@ static int mxc_nand_scan_bbt(struct mtd_info *mtd)
/* jffs2 not write oob */
mtd->flags &= ~MTD_OOB_WRITEABLE;
+ /* fix up the offset */
+ largepage_memorybased.offs = BAD_BLK_MARKER_OOB_OFFS;
+ /* keep compatible for bbt table with old soc */
+ if (cpu_is_mx53()) {
+ bbt_mirror_descr.offs = BAD_BLK_MARKER_OOB_OFFS + 2;
+ bbt_main_descr.offs = BAD_BLK_MARKER_OOB_OFFS + 2;
+ }
+
/* use flash based bbt */
this->bbt_td = &bbt_main_descr;
this->bbt_md = &bbt_mirror_descr;
@@ -1126,6 +1228,53 @@ static int mxc_nand_scan_bbt(struct mtd_info *mtd)
return nand_scan_bbt(mtd, this->badblock_pattern);
}
+static int mxc_get_resources(struct platform_device *pdev)
+{
+ struct resource *r;
+ int error = 0;
+
+#define MXC_NFC_NO_IP_REG \
+ (cpu_is_mx25() || cpu_is_mx31() || cpu_is_mx32() || cpu_is_mx35())
+
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!r) {
+ error = -ENXIO;
+ goto out_0;
+ }
+ nfc_axi_base = ioremap(r->start, resource_size(r));
+
+ if (!MXC_NFC_NO_IP_REG) {
+ r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!r) {
+ error = -ENXIO;
+ goto out_1;
+ }
+ }
+ nfc_ip_base = ioremap(r->start, resource_size(r));
+
+ r = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!r) {
+ error = -ENXIO;
+ goto out_2;
+ }
+ nfc_irq = r->start;
+
+ init_waitqueue_head(&irq_waitq);
+ error = request_irq(nfc_irq, mxc_nfc_irq, 0, "mxc_nd", NULL);
+ if (error)
+ goto out_3;
+
+ return 0;
+out_3:
+out_2:
+ if (!MXC_NFC_NO_IP_REG)
+ iounmap(nfc_ip_base);
+out_1:
+ iounmap(nfc_axi_base);
+out_0:
+ return error;
+}
+
static void mxc_nfc_init(void)
{
/* Disable interrupt */
@@ -1137,11 +1286,13 @@ static void mxc_nfc_init(void)
/* Unlock the internal RAM Buffer */
raw_write(NFC_SET_BLS(NFC_BLS_UNLCOKED), REG_NFC_BLS);
- /* Blocks to be unlocked */
- UNLOCK_ADDR(0x0, 0xFFFF);
+ if (!(cpu_is_mx53())) {
+ /* Blocks to be unlocked */
+ UNLOCK_ADDR(0x0, 0xFFFF);
- /* Unlock Block Command for given address range */
- raw_write(NFC_SET_WPC(NFC_WPC_UNLOCK), REG_NFC_WPC);
+ /* Unlock Block Command for given address range */
+ raw_write(NFC_SET_WPC(NFC_WPC_UNLOCK), REG_NFC_WPC);
+ }
/* Enable symetric mode by default except mx37TO1.0 */
if (!(cpu_is_mx37_rev(CHIP_REV_1_0) == 1))
@@ -1232,6 +1383,81 @@ int nand_scan_mid(struct mtd_info *mtd)
return 0;
}
+/*!
+ * show_device_disable_bi_swap()
+ * Shows the value of the 'disable_bi_swap' flag.
+ *
+ * @dev: The device of interest.
+ * @attr: The attribute of interest.
+ * @buf: A buffer that will receive a representation of the attribute.
+ */
+static ssize_t show_device_disable_bi_swap(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ return sprintf(buf, "%d\n", mxc_nand_data->disable_bi_swap);
+}
+
+/*!
+ * store_device_disable_bi_swap()
+ * Sets the value of the 'disable_bi_swap' flag.
+ *
+ * @dev: The device of interest.
+ * @attr: The attribute of interest.
+ * @buf: A buffer containing a new attribute value.
+ * @size: The size of the buffer.
+ */
+static ssize_t store_device_disable_bi_swap(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t size)
+{
+ const char *p = buf;
+ unsigned long v;
+
+ /* Try to make sense of what arrived from user space. */
+
+ if (strict_strtoul(p, 0, &v) < 0)
+ return size;
+
+ if (v > 0)
+ v = 1;
+ mxc_nand_data->disable_bi_swap = v;
+ return size;
+
+}
+
+static DEVICE_ATTR(disable_bi_swap, 0644,
+ show_device_disable_bi_swap, store_device_disable_bi_swap);
+static struct device_attribute *device_attributes[] = {
+ &dev_attr_disable_bi_swap,
+};
+/*!
+ * manage_sysfs_files() - Creates/removes sysfs files for this device.
+ *
+ * @create: create/remove the sys entry.
+ */
+static void manage_sysfs_files(int create)
+{
+ struct device *dev = mxc_nand_data->dev;
+ int error;
+ unsigned int i;
+ struct device_attribute **attr;
+
+ for (i = 0, attr = device_attributes;
+ i < ARRAY_SIZE(device_attributes); i++, attr++) {
+
+ if (create) {
+ error = device_create_file(dev, *attr);
+ if (error) {
+ while (--attr >= device_attributes)
+ device_remove_file(dev, *attr);
+ return;
+ }
+ } else {
+ device_remove_file(dev, *attr);
+ }
+ }
+
+}
+
/*!
* This function is called during the driver binding process.
@@ -1249,8 +1475,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
struct flash_platform_data *flash = pdev->dev.platform_data;
int nr_parts = 0, err = 0;
- nfc_axi_base = IO_ADDRESS(NFC_AXI_BASE_ADDR);
- nfc_ip_base = IO_ADDRESS(NFC_BASE_ADDR);
+ /* get the resource */
+ err = mxc_get_resources(pdev);
+ if (err)
+ goto out;
/* init the nfc */
mxc_nfc_init();
@@ -1298,12 +1526,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
nfc_clk = clk_get(&pdev->dev, "nfc_clk");
clk_enable(nfc_clk);
-
- init_waitqueue_head(&irq_waitq);
- err = request_irq(MXC_INT_NANDFC, mxc_nfc_irq, 0, "mxc_nd", NULL);
- if (err) {
- goto out_1;
- }
+ mxc_nand_data->clk_active = 1;
if (hardware_ecc) {
this->ecc.read_page = mxc_nand_read_page;
@@ -1359,6 +1582,16 @@ static int __init mxcnd_probe(struct platform_device *pdev)
add_mtd_device(mtd);
}
+#ifdef CONFIG_MODULE_CCXMX51
+ {
+ extern u8 ccwmx51_swap_bi;
+ mxc_nand_data->disable_bi_swap = !ccwmx51_swap_bi;
+ pr_info("%sUsing swap BI (%x)\n", ccwmx51_swap_bi ? "" : "No ", ccwmx51_swap_bi);
+ }
+#endif
+ /* Create sysfs entries for this device. */
+ manage_sysfs_files(true);
+
platform_set_drvdata(pdev, mtd);
return 0;
@@ -1386,15 +1619,16 @@ static int __exit mxcnd_remove(struct platform_device *pdev)
if (flash->exit)
flash->exit();
+ manage_sysfs_files(false);
mxc_free_buf();
- clk_disable(nfc_clk);
+ mxc_nand_clk_disable();
clk_put(nfc_clk);
platform_set_drvdata(pdev, NULL);
if (mxc_nand_data) {
nand_release(mtd);
- free_irq(MXC_INT_NANDFC, NULL);
+ free_irq(nfc_irq, NULL);
kfree(mxc_nand_data);
}
@@ -1419,7 +1653,7 @@ static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND2 : NAND suspend\n");
/* Disable the NFC clock */
- clk_disable(nfc_clk);
+ mxc_nand_clk_disable();
return 0;
}
@@ -1438,7 +1672,7 @@ static int mxcnd_resume(struct platform_device *pdev)
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND2 : NAND resume\n");
/* Enable the NFC clock */
- clk_enable(nfc_clk);
+ mxc_nand_clk_enable();
return 0;
}
diff --git a/drivers/mtd/nand/mxc_nd2.h b/drivers/mtd/nand/mxc_nd2.h
index ea128f6da41b..e8ef125ce8e7 100644
--- a/drivers/mtd/nand/mxc_nd2.h
+++ b/drivers/mtd/nand/mxc_nd2.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -32,16 +32,37 @@
#define IS_LARGE_PAGE_NAND ((mtd->writesize / num_of_interleave) > 512)
#define GET_NAND_OOB_SIZE (mtd->oobsize / num_of_interleave)
+#define GET_NAND_PAGE_SIZE (mtd->writesize / num_of_interleave)
#define NAND_PAGESIZE_2KB 2048
#define NAND_PAGESIZE_4KB 4096
+/*
+ * main area for bad block marker is in the last data section
+ * the spare area for swapped bad block marker is the second
+ * byte of last spare section
+ */
+#define NAND_SECTIONS (GET_NAND_PAGE_SIZE >> 9)
+#define NAND_OOB_PER_SECTION (((GET_NAND_OOB_SIZE / NAND_SECTIONS) >> 1) << 1)
+#define NAND_CHUNKS (GET_NAND_PAGE_SIZE / (512 + NAND_OOB_PER_SECTION))
+
+#define BAD_BLK_MARKER_MAIN_OFFS \
+ (GET_NAND_PAGE_SIZE - NAND_CHUNKS * NAND_OOB_PER_SECTION)
+
+#define BAD_BLK_MARKER_SP_OFFS (NAND_CHUNKS * SPARE_LEN)
+
+#define BAD_BLK_MARKER_OOB_OFFS (NAND_CHUNKS * NAND_OOB_PER_SECTION)
+
+#define BAD_BLK_MARKER_MAIN \
+ ((u32)MAIN_AREA0 + BAD_BLK_MARKER_MAIN_OFFS)
+
+#define BAD_BLK_MARKER_SP \
+ ((u32)SPARE_AREA0 + BAD_BLK_MARKER_SP_OFFS)
+
#ifdef CONFIG_ARCH_MXC_HAS_NFC_V3
/*
* For V3 NFC registers Definition
*/
-/* AXI Bus Mapped */
-#define NFC_AXI_BASE_ADDR MX51_NFC_BASE_ADDR_AXI
#if defined(CONFIG_ARCH_MXC_HAS_NFC_V3_1) /* mx37 */
#define MXC_INT_NANDFC MXC_INT_EMI
@@ -106,13 +127,6 @@
#define NFC_SPAS_WIDTH 8
#define NFC_SPAS_SHIFT 16
-#define IS_4BIT_ECC \
-( \
- cpu_is_mx51_rev(CHIP_REV_2_0) > 0 ? \
- !((raw_read(NFC_CONFIG2) & NFC_ECC_MODE_4) >> 6) : \
- ((raw_read(NFC_CONFIG2) & NFC_ECC_MODE_4) >> 6) \
-)
-
#define NFC_SET_SPAS(v) \
raw_write((((raw_read(NFC_CONFIG2) & \
NFC_FIELD_RESET(NFC_SPAS_WIDTH, NFC_SPAS_SHIFT)) | ((v) << 16))), \
@@ -120,24 +134,32 @@
#define NFC_SET_ECC_MODE(v) \
do { \
- if (cpu_is_mx51_rev(CHIP_REV_2_0) > 0) { \
+ if (cpu_is_mx53() > 0) { \
if ((v) == NFC_SPAS_218 || (v) == NFC_SPAS_112) \
raw_write(((raw_read(NFC_CONFIG2) & \
- NFC_ECC_MODE_MASK) | \
- NFC_ECC_MODE_4), NFC_CONFIG2); \
+ ~(3 << 6)) | \
+ NFC_ECC_MODE_16), NFC_CONFIG2); \
else \
raw_write(((raw_read(NFC_CONFIG2) & \
- NFC_ECC_MODE_MASK) & \
+ ~(3 << 6)) & \
+ NFC_ECC_MODE_4), NFC_CONFIG2); \
+ } else if (cpu_is_mx51_rev(CHIP_REV_2_0) > 0) { \
+ if ((v) == NFC_SPAS_218 || (v) == NFC_SPAS_112) \
+ raw_write(((raw_read(NFC_CONFIG2) & \
+ ~(1 << 6)) | \
NFC_ECC_MODE_8), NFC_CONFIG2); \
+ else \
+ raw_write(((raw_read(NFC_CONFIG2) & \
+ ~(1 << 6)) & \
+ ~NFC_ECC_MODE_8), NFC_CONFIG2); \
} else { \
if ((v) == NFC_SPAS_218 || (v) == NFC_SPAS_112) \
raw_write(((raw_read(NFC_CONFIG2) & \
- NFC_ECC_MODE_MASK) & \
- NFC_ECC_MODE_8), NFC_CONFIG2); \
+ ~(1 << 6))), NFC_CONFIG2); \
else \
raw_write(((raw_read(NFC_CONFIG2) & \
- NFC_ECC_MODE_MASK) | \
- NFC_ECC_MODE_4), NFC_CONFIG2); \
+ ~(1 << 6)) | \
+ NFC_ECC_MODE_8), NFC_CONFIG2); \
} \
} while (0)
@@ -151,7 +173,6 @@ do { \
} while(0)
#else
-#define IS_4BIT_ECC 1
#define NFC_SET_SPAS(v)
#define NFC_SET_ECC_MODE(v)
#define NFC_SET_NFMS(v) (NFMS |= (v))
@@ -292,9 +313,10 @@ do { \
#define NFC_WPC_RESET ~(7)
#if defined(CONFIG_ARCH_MXC_HAS_NFC_V3_1) || \
defined(CONFIG_ARCH_MXC_HAS_NFC_V3_2)
-#define NFC_ECC_MODE_4 (1 << 6)
-#define NFC_ECC_MODE_8 ~(1 << 6)
-#define NFC_ECC_MODE_MASK ~(1 << 6)
+#define NFC_ECC_MODE_4 (0x0 << 6)
+#define NFC_ECC_MODE_8 (0x1 << 6)
+#define NFC_ECC_MODE_14 (0x3 << 6)
+#define NFC_ECC_MODE_16 (0x3 << 6)
#define NFC_SPAS_16 8
#define NFC_SPAS_64 32
#define NFC_SPAS_128 64
@@ -454,7 +476,8 @@ do { \
NFC_SET_ST_CMD(0x70); \
raw_write(raw_read(NFC_CONFIG3) | NFC_NO_SDMA, NFC_CONFIG3); \
raw_write(raw_read(NFC_CONFIG3) | NFC_RBB_MODE, NFC_CONFIG3); \
- SET_NFC_DELAY_LINE(0); \
+ if (cpu_is_mx51()) \
+ SET_NFC_DELAY_LINE(0); \
} \
} while (0)
#endif
@@ -472,14 +495,13 @@ do { \
* For V1/V2 NFC registers Definition
*/
-#define NFC_AXI_BASE_ADDR 0x00
/*
* Addresses for NFC registers
*/
#ifdef CONFIG_ARCH_MXC_HAS_NFC_V2_1
-#define NFC_REG_BASE (nfc_ip_base + 0x1000)
+#define NFC_REG_BASE (nfc_axi_base + 0x1000)
#else
-#define NFC_REG_BASE nfc_ip_base
+#define NFC_REG_BASE nfc_axi_base
#endif
#define NFC_BUF_SIZE (NFC_REG_BASE + 0xE00)
#define NFC_BUF_ADDR (NFC_REG_BASE + 0xE04)
@@ -517,18 +539,18 @@ do { \
/*!
* Addresses for NFC RAM BUFFER Main area 0
*/
-#define MAIN_AREA0 (u16 *)(nfc_ip_base + 0x000)
-#define MAIN_AREA1 (u16 *)(nfc_ip_base + 0x200)
+#define MAIN_AREA0 (u16 *)(nfc_axi_base + 0x000)
+#define MAIN_AREA1 (u16 *)(nfc_axi_base + 0x200)
/*!
* Addresses for NFC SPARE BUFFER Spare area 0
*/
#ifdef CONFIG_ARCH_MXC_HAS_NFC_V2_1
-#define SPARE_AREA0 (u16 *)(nfc_ip_base + 0x1000)
+#define SPARE_AREA0 (u16 *)(nfc_axi_base + 0x1000)
#define SPARE_LEN 64
#define SPARE_COUNT 8
#else
-#define SPARE_AREA0 (u16 *)(nfc_ip_base + 0x800)
+#define SPARE_AREA0 (u16 *)(nfc_axi_base + 0x800)
#define SPARE_LEN 16
#define SPARE_COUNT 4
#endif
@@ -539,8 +561,6 @@ do { \
#define SPAS_SHIFT (0)
#define REG_NFC_SPAS NFC_SPAS
#define SPAS_MASK (0xFF00)
-#define IS_4BIT_ECC \
- ((raw_read(REG_NFC_ECC_MODE) & NFC_ECC_MODE_4) >> 0)
#define NFC_SET_SPAS(v) \
raw_write(((raw_read(REG_NFC_SPAS) & SPAS_MASK) | ((v<<SPAS_SHIFT))), \
@@ -578,7 +598,6 @@ do { \
} \
} while (0)
#else
-#define IS_4BIT_ECC (1)
#define NFC_SET_SPAS(v)
#define NFC_SET_ECC_MODE(v)
#define GET_ECC_STATUS() raw_read(REG_NFC_ECC_STATUS_RESULT);
diff --git a/drivers/mtd/nand/nand_device_info.c b/drivers/mtd/nand/nand_device_info.c
index ecd5b21189cc..1ab1d1d21811 100644
--- a/drivers/mtd/nand/nand_device_info.c
+++ b/drivers/mtd/nand/nand_device_info.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -1284,9 +1284,9 @@ static struct nand_device_info nand_device_info_table_type_9[] __initdata =
.data_hold_in_ns = 10,
.address_setup_in_ns = 25,
.gpmi_sample_delay_in_ns = 6,
- .tREA_in_ns = -1,
- .tRLOH_in_ns = -1,
- .tRHOH_in_ns = -1,
+ .tREA_in_ns = 20,
+ .tRLOH_in_ns = 5,
+ .tRHOH_in_ns = 15,
"K9LBG08U0D",
},
{
diff --git a/drivers/mxc/Kconfig b/drivers/mxc/Kconfig
index 6e67087d2efa..b26c1dc11ad6 100644
--- a/drivers/mxc/Kconfig
+++ b/drivers/mxc/Kconfig
@@ -33,6 +33,7 @@ source "drivers/mxc/bt/Kconfig"
source "drivers/mxc/gps_ioctrl/Kconfig"
source "drivers/mxc/mlb/Kconfig"
source "drivers/mxc/adc/Kconfig"
+source "drivers/mxc/amd-gpu/Kconfig"
endmenu
diff --git a/drivers/mxc/Makefile b/drivers/mxc/Makefile
index 6416bc429888..5193fa50eb9f 100644
--- a/drivers/mxc/Makefile
+++ b/drivers/mxc/Makefile
@@ -15,3 +15,4 @@ obj-$(CONFIG_MXC_BLUETOOTH) += bt/
obj-$(CONFIG_GPS_IOCTRL) += gps_ioctrl/
obj-$(CONFIG_MXC_MLB) += mlb/
obj-$(CONFIG_IMX_ADC) += adc/
+obj-$(CONFIG_MXC_AMD_GPU) += amd-gpu/
diff --git a/drivers/mxc/ipu/ipu_common.c b/drivers/mxc/ipu/ipu_common.c
index 43ba100b5c5d..a1dc566e7f8f 100644
--- a/drivers/mxc/ipu/ipu_common.c
+++ b/drivers/mxc/ipu/ipu_common.c
@@ -707,6 +707,38 @@ int32_t ipu_select_buffer(ipu_channel_t channel, ipu_buffer_t type,
}
/*!
+ * This function check buffer ready for a logical channel.
+ *
+ * @param channel Input parameter for the logical channel ID.
+ *
+ * @param type Input parameter which buffer to clear.
+ *
+ * @param bufNum Input parameter for which buffer number clear
+ * ready state.
+ *
+ */
+int32_t ipu_check_buffer_busy(ipu_channel_t channel, ipu_buffer_t type,
+ uint32_t bufNum)
+{
+ uint32_t dma_chan = channel_2_dma(channel, type);
+ uint32_t reg;
+
+ if (dma_chan == IDMA_CHAN_INVALID)
+ return -EINVAL;
+
+ if (bufNum == 0)
+ reg = __raw_readl(IPU_CHA_BUF0_RDY);
+ else
+ reg = __raw_readl(IPU_CHA_BUF1_RDY);
+
+ if (reg & (1UL << dma_chan))
+ return 1;
+ else
+ return 0;
+}
+EXPORT_SYMBOL(ipu_check_buffer_busy);
+
+/*!
* This function links 2 channels together for automatic frame
* synchronization. The output of the source channel is linked to the input of
* the destination channel.
diff --git a/drivers/mxc/ipu/ipu_csi.c b/drivers/mxc/ipu/ipu_csi.c
index 10708cf3ba54..58d58c10af51 100644
--- a/drivers/mxc/ipu/ipu_csi.c
+++ b/drivers/mxc/ipu/ipu_csi.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -90,10 +90,13 @@ ipu_csi_init_interface(uint16_t width, uint16_t height, uint32_t pixel_fmt,
__raw_writel(height << 16 | 0x22, CSI_FLASH_STROBE_2);
/* Set CCIR registers */
- if ((sig.clk_mode == IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE) ||
- (sig.clk_mode == IPU_CSI_CLK_MODE_CCIR656_INTERLACED)) {
+ if (sig.clk_mode == IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE) {
__raw_writel(0x40030, CSI_CCIR_CODE_1);
__raw_writel(0xFF0000, CSI_CCIR_CODE_3);
+ } else if (sig.clk_mode == IPU_CSI_CLK_MODE_CCIR656_INTERLACED) {
+ __raw_writel(0xD07DF, CSI_CCIR_CODE_1);
+ __raw_writel(0x40596, CSI_CCIR_CODE_2);
+ __raw_writel(0xFF0000, CSI_CCIR_CODE_3);
}
dev_dbg(g_ipu_dev, "CSI_SENS_CONF = 0x%08X\n",
diff --git a/drivers/mxc/ipu/ipu_device.c b/drivers/mxc/ipu/ipu_device.c
index 5fd1c51ec9b1..713ba2005ae9 100644
--- a/drivers/mxc/ipu/ipu_device.c
+++ b/drivers/mxc/ipu/ipu_device.c
@@ -169,6 +169,7 @@ static int mxc_ipu_ioctl(struct inode *inode, struct file *file,
sizeof(ipu_channel_buf_parm))) {
return -EFAULT;
}
+
ret =
ipu_init_channel_buffer(parm.channel, parm.type,
parm.pixel_fmt,
diff --git a/drivers/mxc/ipu/ipu_ic.c b/drivers/mxc/ipu/ipu_ic.c
index cdf823a2760b..9fe087590368 100644
--- a/drivers/mxc/ipu/ipu_ic.c
+++ b/drivers/mxc/ipu/ipu_ic.c
@@ -71,8 +71,7 @@ void _ipu_ic_enable_task(ipu_channel_t channel)
case MEM_ROT_PP_MEM:
ic_conf |= IC_CONF_PP_ROT_EN;
break;
- case CSI_MEM:
- // ???
+ case CSI_MEM1:
ic_conf |= IC_CONF_RWS_EN | IC_CONF_PRPENC_EN;
break;
default:
@@ -110,8 +109,7 @@ void _ipu_ic_disable_task(ipu_channel_t channel)
case MEM_ROT_PP_MEM:
ic_conf &= ~IC_CONF_PP_ROT_EN;
break;
- case CSI_MEM:
- // ???
+ case CSI_MEM1:
ic_conf &= ~(IC_CONF_RWS_EN | IC_CONF_PRPENC_EN);
break;
default:
diff --git a/drivers/mxc/ipu/pf/mxc_pf.c b/drivers/mxc/ipu/pf/mxc_pf.c
index 744152415e3a..8abffb4d8d44 100644
--- a/drivers/mxc/ipu/pf/mxc_pf.c
+++ b/drivers/mxc/ipu/pf/mxc_pf.c
@@ -108,6 +108,7 @@ static int mxc_pf_init(pf_init_params * pf_init)
memset(&params, 0, sizeof(params));
params.mem_pf_mem.operation = pf_data.mode;
+
err = ipu_init_channel(MEM_PF_Y_MEM, &params);
if (err < 0) {
printk(KERN_ERR "mxc_pf: error initializing channel\n");
diff --git a/drivers/mxc/ipu3/ipu_calc_stripes_sizes.c b/drivers/mxc/ipu3/ipu_calc_stripes_sizes.c
index 6a29c90fe095..5d5e0b9155a0 100644
--- a/drivers/mxc/ipu3/ipu_calc_stripes_sizes.c
+++ b/drivers/mxc/ipu3/ipu_calc_stripes_sizes.c
@@ -260,7 +260,7 @@ int ipu_calc_stripes_sizes(const unsigned int input_frame_width,
input_frame_width >> 1;
left->output_width = right->output_width = right->output_column =
output_frame_width >> 1;
- left->input_column = right->input_column = 0;
+ left->input_column = 0;
div = _do_div(((((u64)irr_steps) << 32) *
(right->input_width - 1)), (right->output_width - 1));
left->irr = right->irr = truncate(0, div, 1);
diff --git a/drivers/mxc/ipu3/ipu_capture.c b/drivers/mxc/ipu3/ipu_capture.c
index 5d084ab37b0b..b9967135eac1 100644
--- a/drivers/mxc/ipu3/ipu_capture.c
+++ b/drivers/mxc/ipu3/ipu_capture.c
@@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/ipu.h>
#include <linux/clk.h>
+#include <mach/mxc_dvfs.h>
#include "ipu_prv.h"
#include "ipu_regs.h"
@@ -93,6 +94,12 @@ ipu_csi_init_interface(uint16_t width, uint16_t height, uint32_t pixel_fmt,
cfg_param.force_eof << CSI_SENS_CONF_FORCE_EOF_SHIFT |
cfg_param.data_en_pol << CSI_SENS_CONF_DATA_EN_POL_SHIFT;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
__raw_writel(data, CSI_SENS_CONF(csi));
@@ -101,11 +108,18 @@ ipu_csi_init_interface(uint16_t width, uint16_t height, uint32_t pixel_fmt,
__raw_writel((width - 1) | (height - 1) << 16, CSI_SENS_FRM_SIZE(csi));
/* Set CCIR registers */
- if ((cfg_param.clk_mode == IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE) ||
- (cfg_param.clk_mode == IPU_CSI_CLK_MODE_CCIR656_INTERLACED)) {
- _ipu_csi_ccir_err_detection_enable(csi);
+ if (cfg_param.clk_mode == IPU_CSI_CLK_MODE_CCIR656_PROGRESSIVE) {
__raw_writel(0x40030, CSI_CCIR_CODE_1(csi));
__raw_writel(0xFF0000, CSI_CCIR_CODE_3(csi));
+ } else if (cfg_param.clk_mode == IPU_CSI_CLK_MODE_CCIR656_INTERLACED) {
+ _ipu_csi_ccir_err_detection_enable(csi);
+ /* Field0BlankEnd = 0x7, Field0BlankStart = 0x3,
+ Field0ActiveEnd = 0x5, Field0ActiveStart = 0x1 */
+ __raw_writel(0xD07DF, CSI_CCIR_CODE_1(csi));
+ /* Field1BlankEnd = 0x6, Field1BlankStart = 0x2,
+ Field1ActiveEnd = 0x4, Field1ActiveStart = 0 */
+ __raw_writel(0x40596, CSI_CCIR_CODE_2(csi));
+ __raw_writel(0xFF0000, CSI_CCIR_CODE_3(csi));
} else if ((cfg_param.clk_mode ==
IPU_CSI_CLK_MODE_CCIR1120_PROGRESSIVE_DDR) ||
(cfg_param.clk_mode ==
@@ -171,34 +185,13 @@ int _ipu_csi_mclk_set(uint32_t pixel_clk, uint32_t csi)
*/
int ipu_csi_enable_mclk(int csi, bool flag, bool wait)
{
- struct clk *clk;
if (flag) {
- if (cpu_is_mx53()) {
- if (csi == 0) {
- clk = clk_get(NULL, "ssi_ext1_clk");
- clk_enable(clk);
- clk_put(clk);
- } else {
- pr_err("invalid csi num %d\n", csi);
- return -EINVAL;
- }
- } else
- clk_enable(g_csi_clk[csi]);
+ clk_enable(g_csi_clk[csi]);
if (wait == true)
msleep(10);
} else {
- if (cpu_is_mx53()) {
- if (csi == 0) {
- clk = clk_get(NULL, "ssi_ext1_clk");
- clk_disable(clk);
- clk_put(clk);
- } else {
- pr_err("invalid csi num %d\n", csi);
- return -EINVAL;
- }
- } else
- clk_disable(g_csi_clk[csi]);
+ clk_disable(g_csi_clk[csi]);
}
return 0;
@@ -217,6 +210,12 @@ void ipu_csi_get_window_size(uint32_t *width, uint32_t *height, uint32_t csi)
uint32_t reg;
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
reg = __raw_readl(CSI_ACT_FRM_SIZE(csi));
@@ -238,6 +237,12 @@ void ipu_csi_set_window_size(uint32_t width, uint32_t height, uint32_t csi)
{
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
__raw_writel((width - 1) | (height - 1) << 16, CSI_ACT_FRM_SIZE(csi));
@@ -258,6 +263,12 @@ void ipu_csi_set_window_pos(uint32_t left, uint32_t top, uint32_t csi)
uint32_t temp;
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_OUT_FRM_CTRL(csi));
@@ -280,6 +291,12 @@ void _ipu_csi_horizontal_downsize_enable(uint32_t csi)
uint32_t temp;
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_OUT_FRM_CTRL(csi));
@@ -300,6 +317,12 @@ void _ipu_csi_horizontal_downsize_disable(uint32_t csi)
uint32_t temp;
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_OUT_FRM_CTRL(csi));
@@ -320,6 +343,12 @@ void _ipu_csi_vertical_downsize_enable(uint32_t csi)
uint32_t temp;
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_OUT_FRM_CTRL(csi));
@@ -340,6 +369,12 @@ void _ipu_csi_vertical_downsize_disable(uint32_t csi)
uint32_t temp;
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_OUT_FRM_CTRL(csi));
@@ -366,6 +401,12 @@ void ipu_csi_set_test_generator(bool active, uint32_t r_value,
uint32_t temp;
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_TST_CTRL(csi));
@@ -401,6 +442,12 @@ void _ipu_csi_ccir_err_detection_enable(uint32_t csi)
{
uint32_t temp;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
temp = __raw_readl(CSI_CCIR_CODE_1(csi));
temp |= CSI_CCIR_ERR_DET_EN;
__raw_writel(temp, CSI_CCIR_CODE_1(csi));
@@ -417,6 +464,12 @@ void _ipu_csi_ccir_err_detection_disable(uint32_t csi)
{
uint32_t temp;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
temp = __raw_readl(CSI_CCIR_CODE_1(csi));
temp &= ~CSI_CCIR_ERR_DET_EN;
__raw_writel(temp, CSI_CCIR_CODE_1(csi));
@@ -442,6 +495,12 @@ int _ipu_csi_set_mipi_di(uint32_t num, uint32_t di_val, uint32_t csi)
goto err;
}
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_MIPI_DI(csi));
@@ -499,6 +558,12 @@ int _ipu_csi_set_skip_isp(uint32_t skip, uint32_t max_ratio, uint32_t csi)
goto err;
}
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_SKIP(csi));
@@ -536,6 +601,12 @@ int _ipu_csi_set_skip_smfc(uint32_t skip, uint32_t max_ratio,
goto err;
}
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(CSI_SKIP(csi));
@@ -585,7 +656,6 @@ void _ipu_smfc_init(ipu_channel_t channel, uint32_t mipi_id, uint32_t csi)
default:
return;
}
-
__raw_writel(temp, SMFC_MAP);
}
@@ -604,6 +674,12 @@ void _ipu_smfc_set_wmc(ipu_channel_t channel, bool set, uint32_t level)
uint32_t temp;
unsigned long lock_flags;
+ if (g_ipu_clk_enabled == false) {
+ stop_dvfs_per();
+ g_ipu_clk_enabled = true;
+ clk_enable(g_ipu_clk);
+ }
+
spin_lock_irqsave(&ipu_lock, lock_flags);
temp = __raw_readl(SMFC_WMC);
diff --git a/drivers/mxc/ipu3/ipu_common.c b/drivers/mxc/ipu3/ipu_common.c
index 68be542e8370..b1b8a8b39ae1 100644
--- a/drivers/mxc/ipu3/ipu_common.c
+++ b/drivers/mxc/ipu3/ipu_common.c
@@ -52,8 +52,8 @@ unsigned char g_dc_di_assignment[10];
ipu_channel_t g_ipu_csi_channel[2];
int g_ipu_irq[2];
int g_ipu_hw_rev;
-bool g_sec_chan_en[22];
-bool g_thrd_chan_en[21];
+bool g_sec_chan_en[24];
+bool g_thrd_chan_en[24];
uint32_t g_channel_init_mask;
uint32_t g_channel_enable_mask;
DEFINE_SPINLOCK(ipu_lock);
@@ -354,8 +354,8 @@ static int ipu_probe(struct platform_device *pdev)
g_di_clk[0] = plat_data->di_clk[0];
g_di_clk[1] = plat_data->di_clk[1];
- g_csi_clk[0] = clk_get(&pdev->dev, "csi_mclk1");
- g_csi_clk[1] = clk_get(&pdev->dev, "csi_mclk2");
+ g_csi_clk[0] = plat_data->csi_clk[0];
+ g_csi_clk[1] = plat_data->csi_clk[1];
__raw_writel(0x807FFFFF, IPU_MEM_RST);
while (__raw_readl(IPU_MEM_RST) & 0x80000000) ;
@@ -372,7 +372,7 @@ static int ipu_probe(struct platform_device *pdev)
_ipu_dmfc_init(DMFC_NORMAL, 1);
/* Set sync refresh channels and CSI->mem channel as high priority */
- __raw_writel(0x18800001L, IDMAC_CHA_PRI(0));
+ __raw_writel(0x18800003L, IDMAC_CHA_PRI(0));
/* Set MCU_T to divide MCU access window into 2 */
__raw_writel(0x00400000L | (IPU_MCU_T_DEFAULT << 18), IPU_DISP_GEN);
@@ -415,7 +415,10 @@ int ipu_remove(struct platform_device *pdev)
void ipu_dump_registers(void)
{
+ printk(KERN_DEBUG "--------------------------------------------\n");
printk(KERN_DEBUG "IPU_CONF = \t0x%08X\n", __raw_readl(IPU_CONF));
+ printk(KERN_DEBUG "SMFC_MAP = \t0x%08X\n", __raw_readl(SMFC_MAP));
+ printk(KERN_DEBUG "SMFC_WMC = \t0x%08X\n", __raw_readl(SMFC_WMC));
printk(KERN_DEBUG "IDMAC_CONF = \t0x%08X\n", __raw_readl(IDMAC_CONF));
printk(KERN_DEBUG "IDMAC_CHA_EN1 = \t0x%08X\n",
__raw_readl(IDMAC_CHA_EN(0)));
@@ -451,6 +454,25 @@ void ipu_dump_registers(void)
__raw_readl(IPU_FS_PROC_FLOW3));
printk(KERN_DEBUG "IPU_FS_DISP_FLOW1 = \t0x%08X\n",
__raw_readl(IPU_FS_DISP_FLOW1));
+
+ printk(KERN_DEBUG "IPU_INT_CTRL_1 = \t0x%08X\n", __raw_readl(IPU_INT_CTRL (1)));
+ printk(KERN_DEBUG "IPU_INT_STAT_1 = \t0x%08X\n", __raw_readl(IPU_INT_STAT (1)));
+ printk(KERN_DEBUG "IPU_INT_STAT_2 = \t0x%08X\n", __raw_readl(IPU_INT_STAT (2)));
+ printk(KERN_DEBUG "IPU_INT_STAT_3 = \t0x%08X\n", __raw_readl(IPU_INT_STAT (3)));
+ printk(KERN_DEBUG "IPU_INT_STAT_4 = \t0x%08X\n", __raw_readl(IPU_INT_STAT (4)));
+ printk(KERN_DEBUG "IPU_INT_STAT_5 = \t0x%08X\n", __raw_readl(IPU_INT_STAT (5)));
+ printk(KERN_DEBUG "IPU_INT_STAT_6 = \t0x%08X\n", __raw_readl(IPU_INT_STAT (6)));
+
+ printk(KERN_DEBUG "CSI0_SENS_CONF = \t0x%08X\n", __raw_readl(CSI_SENS_CONF (0)));
+ printk(KERN_DEBUG "CSI0_SENS_FRM_SIZE = \t0x%08X\n", __raw_readl(CSI_SENS_FRM_SIZE(0)));
+ printk(KERN_DEBUG "CSI0_ACT_FRM_SIZE = \t0x%08X\n", __raw_readl(CSI_ACT_FRM_SIZE(0)));
+ printk(KERN_DEBUG "CSI0_SKIP = \t0x%08X\n", __raw_readl(CSI_SKIP(0)));
+
+ printk(KERN_DEBUG "CSI1_SENS_CONF = \t0x%08X\n", __raw_readl(CSI_SENS_CONF (1)));
+ printk(KERN_DEBUG "CSI1_SENS_FRM_SIZE = \t0x%08X\n", __raw_readl(CSI_SENS_FRM_SIZE(1)));
+ printk(KERN_DEBUG "CSI1_ACT_FRM_SIZE = \t0x%08X\n", __raw_readl(CSI_ACT_FRM_SIZE(1)));
+ printk(KERN_DEBUG "CSI1_SKIP = \t0x%08X\n", __raw_readl(CSI_SKIP(1)));
+ printk(KERN_DEBUG "--------------------------------------------\n");
}
/*!
@@ -660,7 +682,8 @@ int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params)
g_dc_di_assignment[1] = params->mem_dc_sync.di;
_ipu_dc_init(1, params->mem_dc_sync.di,
- params->mem_dc_sync.interlaced);
+ params->mem_dc_sync.interlaced,
+ params->mem_dc_sync.out_pixel_fmt);
ipu_di_use_count[params->mem_dc_sync.di]++;
ipu_dc_use_count++;
ipu_dmfc_use_count++;
@@ -678,7 +701,8 @@ int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params)
_ipu_dp_init(channel, params->mem_dp_bg_sync.in_pixel_fmt,
params->mem_dp_bg_sync.out_pixel_fmt);
_ipu_dc_init(5, params->mem_dp_bg_sync.di,
- params->mem_dp_bg_sync.interlaced);
+ params->mem_dp_bg_sync.interlaced,
+ params->mem_dp_bg_sync.out_pixel_fmt);
ipu_di_use_count[params->mem_dp_bg_sync.di]++;
ipu_dc_use_count++;
ipu_dp_use_count++;
@@ -702,7 +726,7 @@ int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params)
}
g_dc_di_assignment[8] = params->direct_async.di;
- _ipu_dc_init(8, params->direct_async.di, false);
+ _ipu_dc_init(8, params->direct_async.di, false, IPU_PIX_FMT_GENERIC);
ipu_di_use_count[params->direct_async.di]++;
ipu_dc_use_count++;
break;
@@ -713,7 +737,7 @@ int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params)
}
g_dc_di_assignment[9] = params->direct_async.di;
- _ipu_dc_init(9, params->direct_async.di, false);
+ _ipu_dc_init(9, params->direct_async.di, false, IPU_PIX_FMT_GENERIC);
ipu_di_use_count[params->direct_async.di]++;
ipu_dc_use_count++;
break;
@@ -724,31 +748,8 @@ int32_t ipu_init_channel(ipu_channel_t channel, ipu_channel_params_t *params)
/* Enable IPU sub module */
g_channel_init_mask |= 1L << IPU_CHAN_ID(channel);
- if (ipu_ic_use_count == 1)
- ipu_conf |= IPU_CONF_IC_EN;
- if (ipu_vdi_use_count == 1) {
- ipu_conf |= IPU_CONF_VDI_EN;
- ipu_conf |= IPU_CONF_IC_INPUT;
- }
- if (ipu_rot_use_count == 1)
- ipu_conf |= IPU_CONF_ROT_EN;
- if (ipu_dc_use_count == 1)
- ipu_conf |= IPU_CONF_DC_EN;
- if (ipu_dp_use_count == 1)
- ipu_conf |= IPU_CONF_DP_EN;
- if (ipu_dmfc_use_count == 1)
- ipu_conf |= IPU_CONF_DMFC_EN;
- if (ipu_di_use_count[0] == 1) {
- ipu_conf |= IPU_CONF_DI0_EN;
- }
- if (ipu_di_use_count[1] == 1) {
- ipu_conf |= IPU_CONF_DI1_EN;
- }
- if (ipu_smfc_use_count == 1)
- ipu_conf |= IPU_CONF_SMFC_EN;
__raw_writel(ipu_conf, IPU_CONF);
-
err:
spin_unlock_irqrestore(&ipu_lock, lock_flags);
return ret;
@@ -775,8 +776,8 @@ void ipu_uninit_channel(ipu_channel_t channel)
/* Make sure channel is disabled */
/* Get input and output dma channels */
- in_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);
- out_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);
+ in_dma = channel_2_dma(channel, IPU_VIDEO_IN_BUFFER);
+ out_dma = channel_2_dma(channel, IPU_OUTPUT_BUFFER);
if (idma_is_set(IDMAC_CHA_EN, in_dma) ||
idma_is_set(IDMAC_CHA_EN, out_dma)) {
@@ -796,8 +797,10 @@ void ipu_uninit_channel(ipu_channel_t channel)
reg = __raw_readl(IPU_CHA_DB_MODE_SEL(out_dma));
__raw_writel(reg & ~idma_mask(out_dma), IPU_CHA_DB_MODE_SEL(out_dma));
- g_sec_chan_en[IPU_CHAN_ID(channel)] = false;
- g_thrd_chan_en[IPU_CHAN_ID(channel)] = false;
+ if (_ipu_is_ic_chan(in_dma) || _ipu_is_dp_graphic_chan(in_dma)) {
+ g_sec_chan_en[IPU_CHAN_ID(channel)] = false;
+ g_thrd_chan_en[IPU_CHAN_ID(channel)] = false;
+ }
switch (channel) {
case CSI_MEM0:
@@ -849,6 +852,9 @@ void ipu_uninit_channel(ipu_channel_t channel)
reg = __raw_readl(IPU_FS_PROC_FLOW1);
__raw_writel(reg & ~FS_VF_IN_VALID, IPU_FS_PROC_FLOW1);
break;
+ case MEM_VDI_PRP_VF_MEM_P:
+ case MEM_VDI_PRP_VF_MEM_N:
+ break;
case MEM_ROT_VF_MEM:
ipu_rot_use_count--;
ipu_ic_use_count--;
@@ -913,6 +919,7 @@ void ipu_uninit_channel(ipu_channel_t channel)
if (ipu_ic_use_count == 0)
ipu_conf &= ~IPU_CONF_IC_EN;
if (ipu_vdi_use_count == 0) {
+ ipu_conf &= ~IPU_CONF_ISP_EN;
ipu_conf &= ~IPU_CONF_VDI_EN;
ipu_conf &= ~IPU_CONF_IC_INPUT;
}
@@ -1239,8 +1246,6 @@ int32_t ipu_select_buffer(ipu_channel_t channel, ipu_buffer_t type,
__raw_writel(idma_mask(dma_chan) | reg,
IPU_CHA_BUF1_RDY(dma_chan));
}
- if (channel == MEM_VDI_PRP_VF_MEM)
- _ipu_vdi_toggle_top_field_man();
return 0;
}
EXPORT_SYMBOL(ipu_select_buffer);
@@ -1269,10 +1274,9 @@ int32_t ipu_select_multi_vdi_buffer(uint32_t bufNum)
__raw_writel(mask_bit | reg, IPU_CHA_BUF0_RDY(dma_chan));
} else {
/*Mark buffer 1 as ready. */
- reg = __raw_readl(IPU_CHA_BUF0_RDY(dma_chan));
+ reg = __raw_readl(IPU_CHA_BUF1_RDY(dma_chan));
__raw_writel(mask_bit | reg, IPU_CHA_BUF1_RDY(dma_chan));
}
- _ipu_vdi_toggle_top_field_man();
return 0;
}
EXPORT_SYMBOL(ipu_select_multi_vdi_buffer);
@@ -1282,7 +1286,7 @@ static int proc_dest_sel[] =
{ 0, 1, 1, 3, 5, 5, 4, 7, 8, 9, 10, 11, 12, 14, 15, 16,
0, 1, 1, 5, 5, 5, 5, 5, 7, 8, 9, 10, 11, 12, 14, 31 };
static int proc_src_sel[] = { 0, 6, 7, 6, 7, 8, 5, NA, NA, NA,
- NA, NA, NA, NA, NA, 1, 2, 3, 4, 7, 8, NA, NA, NA };
+ NA, NA, NA, NA, NA, 1, 2, 3, 4, 7, 8, NA, 8, NA };
static int disp_src_sel[] = { 0, 6, 7, 8, 3, 4, 5, NA, NA, NA,
NA, NA, NA, NA, NA, 1, NA, 2, NA, 3, 4, 4, 4, 4 };
@@ -1659,6 +1663,7 @@ int32_t ipu_enable_channel(ipu_channel_t channel)
{
uint32_t reg;
unsigned long lock_flags;
+ uint32_t ipu_conf;
uint32_t in_dma;
uint32_t out_dma;
uint32_t sec_dma;
@@ -1675,6 +1680,32 @@ int32_t ipu_enable_channel(ipu_channel_t channel)
spin_lock_irqsave(&ipu_lock, lock_flags);
+ ipu_conf = __raw_readl(IPU_CONF);
+ if (ipu_di_use_count[0] > 0) {
+ ipu_conf |= IPU_CONF_DI0_EN;
+ }
+ if (ipu_di_use_count[1] > 0) {
+ ipu_conf |= IPU_CONF_DI1_EN;
+ }
+ if (ipu_dp_use_count > 0)
+ ipu_conf |= IPU_CONF_DP_EN;
+ if (ipu_dc_use_count > 0)
+ ipu_conf |= IPU_CONF_DC_EN;
+ if (ipu_dmfc_use_count > 0)
+ ipu_conf |= IPU_CONF_DMFC_EN;
+ if (ipu_ic_use_count > 0)
+ ipu_conf |= IPU_CONF_IC_EN;
+ if (ipu_vdi_use_count > 0) {
+ ipu_conf |= IPU_CONF_ISP_EN;
+ ipu_conf |= IPU_CONF_VDI_EN;
+ ipu_conf |= IPU_CONF_IC_INPUT;
+ }
+ if (ipu_rot_use_count > 0)
+ ipu_conf |= IPU_CONF_ROT_EN;
+ if (ipu_smfc_use_count > 0)
+ ipu_conf |= IPU_CONF_SMFC_EN;
+ __raw_writel(ipu_conf, IPU_CONF);
+
if (idma_is_valid(in_dma)) {
reg = __raw_readl(IDMAC_CHA_EN(in_dma));
__raw_writel(reg | idma_mask(in_dma), IDMAC_CHA_EN(in_dma));
@@ -1710,8 +1741,11 @@ int32_t ipu_enable_channel(ipu_channel_t channel)
}
if ((channel == MEM_DC_SYNC) || (channel == MEM_BG_SYNC) ||
- (channel == MEM_FG_SYNC))
+ (channel == MEM_FG_SYNC)) {
+ reg = __raw_readl(IDMAC_WM_EN(in_dma));
+ __raw_writel(reg | idma_mask(in_dma), IDMAC_WM_EN(in_dma));
_ipu_dp_dc_enable(channel);
+ }
if (_ipu_is_ic_chan(in_dma) || _ipu_is_ic_chan(out_dma) ||
_ipu_is_irt_chan(in_dma) || _ipu_is_irt_chan(out_dma))
@@ -1726,6 +1760,38 @@ int32_t ipu_enable_channel(ipu_channel_t channel)
EXPORT_SYMBOL(ipu_enable_channel);
/*!
+ * This function check buffer ready for a logical channel.
+ *
+ * @param channel Input parameter for the logical channel ID.
+ *
+ * @param type Input parameter which buffer to clear.
+ *
+ * @param bufNum Input parameter for which buffer number clear
+ * ready state.
+ *
+ */
+int32_t ipu_check_buffer_busy(ipu_channel_t channel, ipu_buffer_t type,
+ uint32_t bufNum)
+{
+ uint32_t dma_chan = channel_2_dma(channel, type);
+ uint32_t reg;
+
+ if (dma_chan == IDMA_CHAN_INVALID)
+ return -EINVAL;
+
+ if (bufNum == 0)
+ reg = __raw_readl(IPU_CHA_BUF0_RDY(dma_chan));
+ else
+ reg = __raw_readl(IPU_CHA_BUF1_RDY(dma_chan));
+
+ if (reg & idma_mask(dma_chan))
+ return 1;
+ else
+ return 0;
+}
+EXPORT_SYMBOL(ipu_check_buffer_busy);
+
+/*!
* This function clear buffer ready for a logical channel.
*
* @param channel Input parameter for the logical channel ID.
@@ -1817,7 +1883,30 @@ int32_t ipu_disable_channel(ipu_channel_t channel, bool wait_for_stop)
if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC) ||
(channel == MEM_DC_SYNC)) {
+ if (channel == MEM_FG_SYNC)
+ ipu_disp_set_window_pos(channel, 0, 0);
+
_ipu_dp_dc_disable(channel, false);
+
+ /*
+ * wait for BG channel EOF then disable FG-IDMAC,
+ * it avoid FG NFB4EOF error.
+ */
+ if (channel == MEM_FG_SYNC) {
+ int timeout = 50;
+
+ __raw_writel(IPUIRQ_2_MASK(IPU_IRQ_BG_SYNC_EOF),
+ IPUIRQ_2_STATREG(IPU_IRQ_BG_SYNC_EOF));
+ while ((__raw_readl(IPUIRQ_2_STATREG(IPU_IRQ_BG_SYNC_EOF)) &
+ IPUIRQ_2_MASK(IPU_IRQ_BG_SYNC_EOF)) == 0) {
+ msleep(10);
+ timeout -= 10;
+ if (timeout <= 0) {
+ dev_err(g_ipu_dev, "warning: wait for bg sync eof timeout\n");
+ break;
+ }
+ }
+ }
} else if (wait_for_stop) {
while (idma_is_set(IDMAC_CHA_BUSY, in_dma) ||
idma_is_set(IDMAC_CHA_BUSY, out_dma) ||
@@ -1861,6 +1950,12 @@ int32_t ipu_disable_channel(ipu_channel_t channel, bool wait_for_stop)
spin_lock_irqsave(&ipu_lock, lock_flags);
+ if ((channel == MEM_BG_SYNC) || (channel == MEM_FG_SYNC) ||
+ (channel == MEM_DC_SYNC)) {
+ reg = __raw_readl(IDMAC_WM_EN(in_dma));
+ __raw_writel(reg & ~idma_mask(in_dma), IDMAC_WM_EN(in_dma));
+ }
+
/* Disable IC task */
if (_ipu_is_ic_chan(in_dma) || _ipu_is_ic_chan(out_dma) ||
_ipu_is_irt_chan(in_dma) || _ipu_is_irt_chan(out_dma))
@@ -1897,8 +1992,6 @@ int32_t ipu_disable_channel(ipu_channel_t channel, bool wait_for_stop)
g_channel_enable_mask &= ~(1L << IPU_CHAN_ID(channel));
- spin_unlock_irqrestore(&ipu_lock, lock_flags);
-
/* Set channel buffers NOT to be ready */
if (idma_is_valid(in_dma)) {
ipu_clear_buffer_ready(channel, IPU_VIDEO_IN_BUFFER, 0);
@@ -1917,6 +2010,8 @@ int32_t ipu_disable_channel(ipu_channel_t channel, bool wait_for_stop)
ipu_clear_buffer_ready(channel, IPU_ALPHA_IN_BUFFER, 1);
}
+ spin_unlock_irqrestore(&ipu_lock, lock_flags);
+
return 0;
}
EXPORT_SYMBOL(ipu_disable_channel);
@@ -2029,7 +2124,6 @@ static irqreturn_t ipu_irq_handler(int irq, void *desc)
dev_id);
}
}
-
return result;
}
diff --git a/drivers/mxc/ipu3/ipu_device.c b/drivers/mxc/ipu3/ipu_device.c
index 27455fe26ab6..bf71ea833f58 100644
--- a/drivers/mxc/ipu3/ipu_device.c
+++ b/drivers/mxc/ipu3/ipu_device.c
@@ -124,7 +124,6 @@ static int mxc_ipu_ioctl(struct inode *inode, struct file *file,
(&parm, (ipu_channel_buf_parm *) arg,
sizeof(ipu_channel_buf_parm)))
return -EFAULT;
-
ret =
ipu_init_channel_buffer(
parm.channel, parm.type,
@@ -183,6 +182,17 @@ static int mxc_ipu_ioctl(struct inode *inode, struct file *file,
}
break;
+ case IPU_SELECT_MULTI_VDI_BUFFER:
+ {
+ uint32_t parm;
+ if (copy_from_user
+ (&parm, (uint32_t *) arg,
+ sizeof(uint32_t)))
+ return -EFAULT;
+
+ ret = ipu_select_multi_vdi_buffer(parm);
+ }
+ break;
case IPU_LINK_CHANNELS:
{
ipu_channel_link link;
@@ -225,7 +235,6 @@ static int mxc_ipu_ioctl(struct inode *inode, struct file *file,
(&info, (ipu_channel_info *) arg,
sizeof(ipu_channel_info)))
return -EFAULT;
-
ret = ipu_disable_channel(info.channel,
info.stop);
}
@@ -435,7 +444,7 @@ static int mxc_ipu_ioctl(struct inode *inode, struct file *file,
static int mxc_ipu_mmap(struct file *file, struct vm_area_struct *vma)
{
-// vma->vm_page_prot = pgprot_writethru(vma->vm_page_prot);
+ vma->vm_page_prot = pgprot_writethru(vma->vm_page_prot);
if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
vma->vm_end - vma->vm_start,
@@ -452,12 +461,20 @@ static int mxc_ipu_release(struct inode *inode, struct file *file)
return 0;
}
+int mxc_ipu_fsync(struct file *filp, struct dentry *dentry, int datasync)
+{
+ flush_cache_all();
+ outer_flush_all();
+ return 0;
+}
+
static struct file_operations mxc_ipu_fops = {
.owner = THIS_MODULE,
.open = mxc_ipu_open,
.mmap = mxc_ipu_mmap,
.release = mxc_ipu_release,
- .ioctl = mxc_ipu_ioctl
+ .ioctl = mxc_ipu_ioctl,
+ .fsync = mxc_ipu_fsync
};
int register_ipu_device()
diff --git a/drivers/mxc/ipu3/ipu_disp.c b/drivers/mxc/ipu3/ipu_disp.c
index 00c5008d149f..14dde404990b 100644
--- a/drivers/mxc/ipu3/ipu_disp.c
+++ b/drivers/mxc/ipu3/ipu_disp.c
@@ -147,6 +147,37 @@ static int __init dmfc_setup(char *options)
}
__setup("dmfc=", dmfc_setup);
+static bool _ipu_update_dmfc_used_size(int dma_chan, int width, int dmfc_size)
+{
+ u32 fifo_size_5f = 1;
+ u32 dmfc_dp_chan = __raw_readl(DMFC_DP_CHAN);
+
+ if ((width > 352) && (dmfc_size == (256 * 4)))
+ fifo_size_5f = 1;
+ else if (width > 176)
+ fifo_size_5f = 2;
+ else if (width > 88)
+ fifo_size_5f = 3;
+ else if (width > 44)
+ fifo_size_5f = 4;
+ else if (width > 22)
+ fifo_size_5f = 5;
+ else if (width > 11)
+ fifo_size_5f = 6;
+ else if (width > 6)
+ fifo_size_5f = 7;
+ else
+ return false;
+
+ if (dma_chan == 27) {
+ dmfc_dp_chan &= ~DMFC_FIFO_SIZE_5F;
+ dmfc_dp_chan |= fifo_size_5f << 11;
+ __raw_writel(dmfc_dp_chan, DMFC_DP_CHAN);
+ }
+
+ return true;
+}
+
void _ipu_dmfc_set_wait4eot(int dma_chan, int width)
{
u32 dmfc_gen1 = __raw_readl(DMFC_GENERAL1);
@@ -169,7 +200,7 @@ void _ipu_dmfc_set_wait4eot(int dma_chan, int width)
else
dmfc_gen1 &= ~(1UL << 22);
} else if (dma_chan == 27) { /*5F*/
- if (dmfc_size_27/width > 2)
+ if (!_ipu_update_dmfc_used_size(dma_chan, width, dmfc_size_27))
dmfc_gen1 |= 1UL << 21;
else
dmfc_gen1 &= ~(1UL << 21);
@@ -245,6 +276,24 @@ static void _ipu_di_sync_config(int di, int wave_gen,
__raw_writel(reg, DI_STP_REP(di, wave_gen));
}
+static void _ipu_dc_map_link(int current_map,
+ int base_map_0, int buf_num_0,
+ int base_map_1, int buf_num_1,
+ int base_map_2, int buf_num_2)
+{
+ int ptr_0 = base_map_0 * 3 + buf_num_0;
+ int ptr_1 = base_map_1 * 3 + buf_num_1;
+ int ptr_2 = base_map_2 * 3 + buf_num_2;
+ int ptr;
+ u32 reg;
+ ptr = (ptr_2 << 10) + (ptr_1 << 5) + ptr_0;
+
+ reg = __raw_readl(DC_MAP_CONF_PTR(current_map));
+ reg &= ~(0x1F << ((16 * (current_map & 0x1))));
+ reg |= ptr << ((16 * (current_map & 0x1)));
+ __raw_writel(reg, DC_MAP_CONF_PTR(current_map));
+}
+
static void _ipu_dc_map_config(int map, int byte_num, int offset, int mask)
{
int ptr = map * 3 + byte_num;
@@ -269,32 +318,63 @@ static void _ipu_dc_map_clear(int map)
}
static void _ipu_dc_write_tmpl(int word, u32 opcode, u32 operand, int map,
- int wave, int glue, int sync)
+ int wave, int glue, int sync, int stop)
{
u32 reg;
- int stop = 1;
-
- reg = sync;
- reg |= (glue << 4);
- reg |= (++wave << 11);
- reg |= (++map << 15);
- reg |= (operand << 20) & 0xFFF00000;
- __raw_writel(reg, ipu_dc_tmpl_reg + word * 2);
-
- reg = (operand >> 12);
- reg |= opcode << 4;
- reg |= (stop << 9);
- __raw_writel(reg, ipu_dc_tmpl_reg + word * 2 + 1);
+
+ if (opcode == WRG) {
+ reg = sync;
+ reg |= (glue << 4);
+ reg |= (++wave << 11);
+ reg |= ((operand & 0x1FFFF) << 15);
+ __raw_writel(reg, ipu_dc_tmpl_reg + word * 2);
+
+ reg = (operand >> 17);
+ reg |= opcode << 7;
+ reg |= (stop << 9);
+ __raw_writel(reg, ipu_dc_tmpl_reg + word * 2 + 1);
+ } else {
+ reg = sync;
+ reg |= (glue << 4);
+ reg |= (++wave << 11);
+ reg |= (++map << 15);
+ reg |= (operand << 20) & 0xFFF00000;
+ __raw_writel(reg, ipu_dc_tmpl_reg + word * 2);
+
+ reg = (operand >> 12);
+ reg |= opcode << 4;
+ reg |= (stop << 9);
+ __raw_writel(reg, ipu_dc_tmpl_reg + word * 2 + 1);
+ }
}
static void _ipu_dc_link_event(int chan, int event, int addr, int priority)
{
u32 reg;
-
- reg = __raw_readl(DC_RL_CH(chan, event));
- reg &= ~(0xFFFF << (16 * (event & 0x1)));
- reg |= ((addr << 8) | priority) << (16 * (event & 0x1));
- __raw_writel(reg, DC_RL_CH(chan, event));
+ u32 address_shift;
+ if (event < DC_EVEN_UGDE0) {
+ reg = __raw_readl(DC_RL_CH(chan, event));
+ reg &= ~(0xFFFF << (16 * (event & 0x1)));
+ reg |= ((addr << 8) | priority) << (16 * (event & 0x1));
+ __raw_writel(reg, DC_RL_CH(chan, event));
+ } else {
+ reg = __raw_readl(DC_UGDE_0((event - DC_EVEN_UGDE0) / 2));
+ if ((event - DC_EVEN_UGDE0) & 0x1) {
+ reg &= ~(0x2FF << 16);
+ reg |= (addr << 16);
+ reg |= priority ? (2 << 24) : 0x0;
+ } else {
+ reg &= ~0xFC00FFFF;
+ if (priority)
+ chan = (chan >> 1) +
+ ((((chan & 0x1) + ((chan & 0x2) >> 1))) | (chan >> 3));
+ else
+ chan = 0x7;
+ address_shift = ((event - DC_EVEN_UGDE0) >> 1) ? 7 : 8;
+ reg |= (addr << address_shift) | (priority << 3) | chan;
+ }
+ __raw_writel(reg, DC_UGDE_0((event - DC_EVEN_UGDE0) / 2));
+ }
}
/* Y = R * 1.200 + G * 2.343 + B * .453 + 0.250;
@@ -503,7 +583,7 @@ void _ipu_dp_uninit(ipu_channel_t channel)
__ipu_dp_csc_setup(dp, dp_csc_array[bg_csc_type][fg_csc_type], false);
}
-void _ipu_dc_init(int dc_chan, int di, bool interlaced)
+void _ipu_dc_init(int dc_chan, int di, bool interlaced, uint32_t pixel_fmt)
{
u32 reg = 0;
@@ -517,10 +597,24 @@ void _ipu_dc_init(int dc_chan, int di, bool interlaced)
_ipu_dc_link_event(dc_chan, DC_EVT_NL, 2, 3);
_ipu_dc_link_event(dc_chan, DC_EVT_EOL, 3, 2);
_ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 4, 1);
+ if ((pixel_fmt == IPU_PIX_FMT_YUYV) ||
+ (pixel_fmt == IPU_PIX_FMT_UYVY) ||
+ (pixel_fmt == IPU_PIX_FMT_YVYU) ||
+ (pixel_fmt == IPU_PIX_FMT_VYUY)) {
+ _ipu_dc_link_event(dc_chan, DC_ODD_UGDE1, 9, 5);
+ _ipu_dc_link_event(dc_chan, DC_EVEN_UGDE1, 8, 5);
+ }
} else {
_ipu_dc_link_event(dc_chan, DC_EVT_NL, 5, 3);
_ipu_dc_link_event(dc_chan, DC_EVT_EOL, 6, 2);
_ipu_dc_link_event(dc_chan, DC_EVT_NEW_DATA, 7, 1);
+ if ((pixel_fmt == IPU_PIX_FMT_YUYV) ||
+ (pixel_fmt == IPU_PIX_FMT_UYVY) ||
+ (pixel_fmt == IPU_PIX_FMT_YVYU) ||
+ (pixel_fmt == IPU_PIX_FMT_VYUY)) {
+ _ipu_dc_link_event(dc_chan, DC_ODD_UGDE0, 10, 5);
+ _ipu_dc_link_event(dc_chan, DC_EVEN_UGDE0, 11, 5);
+ }
}
}
_ipu_dc_link_event(dc_chan, DC_EVT_NF, 0, 0);
@@ -562,6 +656,10 @@ void _ipu_dc_uninit(int dc_chan)
_ipu_dc_link_event(dc_chan, DC_EVT_EOFIELD, 0, 0);
_ipu_dc_link_event(dc_chan, DC_EVT_NEW_CHAN, 0, 0);
_ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR, 0, 0);
+ _ipu_dc_link_event(dc_chan, DC_ODD_UGDE0, 0, 0);
+ _ipu_dc_link_event(dc_chan, DC_EVEN_UGDE0, 0, 0);
+ _ipu_dc_link_event(dc_chan, DC_ODD_UGDE1, 0, 0);
+ _ipu_dc_link_event(dc_chan, DC_EVEN_UGDE1, 0, 0);
} else if ((dc_chan == 8) || (dc_chan == 9)) {
_ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_0, 0, 0);
_ipu_dc_link_event(dc_chan, DC_EVT_NEW_ADDR_W_1, 0, 0);
@@ -637,6 +735,26 @@ static bool dc_swap;
static irqreturn_t dc_irq_handler(int irq, void *dev_id)
{
struct completion *comp = dev_id;
+ uint32_t reg;
+ uint32_t dc_chan;
+
+ if (irq == IPU_IRQ_DC_FC_1)
+ dc_chan = 1;
+ else
+ dc_chan = 5;
+
+ if (!dc_swap) {
+ reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
+ reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
+ __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
+
+ reg = __raw_readl(IPU_DISP_GEN);
+ if (g_dc_di_assignment[dc_chan])
+ reg &= ~DI1_COUNTER_RELEASE;
+ else
+ reg &= ~DI0_COUNTER_RELEASE;
+ __raw_writel(reg, IPU_DISP_GEN);
+ }
complete(comp);
return IRQ_HANDLED;
@@ -689,29 +807,6 @@ void _ipu_dp_dc_disable(ipu_channel_t channel, bool swap)
if (timeout <= 0)
break;
}
-
- timeout = 50;
-
- /*
- * Wait for DC triple buffer to empty,
- * this check is useful for tv overlay.
- */
- if (g_dc_di_assignment[dc_chan] == 0)
- while ((__raw_readl(DC_STAT) & 0x00000002)
- != 0x00000002) {
- msleep(2);
- timeout -= 2;
- if (timeout <= 0)
- break;
- }
- else if (g_dc_di_assignment[dc_chan] == 1)
- while ((__raw_readl(DC_STAT) & 0x00000020)
- != 0x00000020) {
- msleep(2);
- timeout -= 2;
- if (timeout <= 0)
- break;
- }
return;
} else {
return;
@@ -743,39 +838,6 @@ void _ipu_dp_dc_disable(ipu_channel_t channel, bool swap)
__raw_writel(reg, DC_WR_CH_CONF(dc_chan));
spin_unlock_irqrestore(&ipu_lock, lock_flags);
} else {
- timeout = 50;
-
- /* Wait for DC triple buffer to empty */
- if (g_dc_di_assignment[dc_chan] == 0)
- while ((__raw_readl(DC_STAT) & 0x00000002)
- != 0x00000002) {
- msleep(2);
- timeout -= 2;
- if (timeout <= 0)
- break;
- }
- else if (g_dc_di_assignment[dc_chan] == 1)
- while ((__raw_readl(DC_STAT) & 0x00000020)
- != 0x00000020) {
- msleep(2);
- timeout -= 2;
- if (timeout <= 0)
- break;
- }
-
- spin_lock_irqsave(&ipu_lock, lock_flags);
- reg = __raw_readl(DC_WR_CH_CONF(dc_chan));
- reg &= ~DC_WR_CH_CONF_PROG_TYPE_MASK;
- __raw_writel(reg, DC_WR_CH_CONF(dc_chan));
-
- reg = __raw_readl(IPU_DISP_GEN);
- if (g_dc_di_assignment[dc_chan])
- reg &= ~DI1_COUNTER_RELEASE;
- else
- reg &= ~DI0_COUNTER_RELEASE;
- __raw_writel(reg, IPU_DISP_GEN);
-
- spin_unlock_irqrestore(&ipu_lock, lock_flags);
/* Clock is already off because it must be done quickly, but
we need to fix the ref count */
clk_disable(g_pixel_clk[g_dc_di_assignment[dc_chan]]);
@@ -821,6 +883,34 @@ void _ipu_init_dc_mappings(void)
_ipu_dc_map_config(4, 0, 5, 0xFC);
_ipu_dc_map_config(4, 1, 13, 0xFC);
_ipu_dc_map_config(4, 2, 21, 0xFC);
+
+ /* IPU_PIX_FMT_VYUY 16bit width */
+ _ipu_dc_map_clear(5);
+ _ipu_dc_map_config(5, 0, 7, 0xFF);
+ _ipu_dc_map_config(5, 1, 0, 0x0);
+ _ipu_dc_map_config(5, 2, 15, 0xFF);
+ _ipu_dc_map_clear(6);
+ _ipu_dc_map_config(6, 0, 0, 0x0);
+ _ipu_dc_map_config(6, 1, 7, 0xFF);
+ _ipu_dc_map_config(6, 2, 15, 0xFF);
+
+ /* IPU_PIX_FMT_UYUV 16bit width */
+ _ipu_dc_map_clear(7);
+ _ipu_dc_map_link(7, 6, 0, 6, 1, 6, 2);
+ _ipu_dc_map_clear(8);
+ _ipu_dc_map_link(8, 5, 0, 5, 1, 5, 2);
+
+ /* IPU_PIX_FMT_YUYV 16bit width */
+ _ipu_dc_map_clear(9);
+ _ipu_dc_map_link(9, 5, 2, 5, 1, 5, 0);
+ _ipu_dc_map_clear(10);
+ _ipu_dc_map_link(10, 5, 1, 5, 2, 5, 0);
+
+ /* IPU_PIX_FMT_YVYU 16bit width */
+ _ipu_dc_map_clear(11);
+ _ipu_dc_map_link(11, 5, 1, 5, 2, 5, 0);
+ _ipu_dc_map_clear(12);
+ _ipu_dc_map_link(12, 5, 2, 5, 1, 5, 0);
}
int _ipu_pixfmt_to_map(uint32_t fmt)
@@ -837,6 +927,14 @@ int _ipu_pixfmt_to_map(uint32_t fmt)
return 3;
case IPU_PIX_FMT_LVDS666:
return 4;
+ case IPU_PIX_FMT_VYUY:
+ return 6;
+ case IPU_PIX_FMT_UYVY:
+ return 8;
+ case IPU_PIX_FMT_YUYV:
+ return 10;
+ case IPU_PIX_FMT_YVYU:
+ return 12;
}
return -1;
@@ -964,22 +1062,22 @@ int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
dev_dbg(g_ipu_dev, "pixel clk = %d\n", pixel_clk);
if (sig.ext_clk) {
- /* Set the PLL to be an even multiple of the pixel clock. not round div for tvout*/
- if ((clk_get_usecount(g_pixel_clk[0]) == 0) &&
- (clk_get_usecount(g_pixel_clk[1]) == 0)) {
+ /*
+ * Set the PLL to be an even multiple of the pixel clock.
+ * Not round div for tvout and ldb.
+ * Did not consider both DI come from the same ext clk, if
+ * meet such case, ext clk rate should be set specially.
+ */
+ if (clk_get_usecount(g_pixel_clk[disp]) == 0) {
di_parent = clk_get_parent(g_di_clk[disp]);
- if (strcmp(di_parent->name, "tve_clk") != 0) {
- rounded_pixel_clk =
- clk_round_rate(g_pixel_clk[disp], pixel_clk);
- div = clk_get_rate(di_parent) / rounded_pixel_clk;
- if (div % 2)
- div++;
-
- if (clk_get_rate(di_parent) != div * rounded_pixel_clk)
- clk_set_rate(di_parent, div * rounded_pixel_clk);
- msleep(10);
- clk_set_rate(g_di_clk[disp], 2 * rounded_pixel_clk);
- msleep(10);
+ if (strcmp(di_parent->name, "tve_clk") != 0 &&
+ strcmp(di_parent->name, "ldb_di0_clk") != 0 &&
+ strcmp(di_parent->name, "ldb_di1_clk") != 0) {
+ rounded_pixel_clk = pixel_clk * 2;
+ while (rounded_pixel_clk < 150000000)
+ rounded_pixel_clk += pixel_clk * 2;
+ clk_set_rate(di_parent, rounded_pixel_clk);
+ clk_set_rate(g_di_clk[disp], pixel_clk);
}
}
clk_set_parent(g_pixel_clk[disp], g_di_clk[disp]);
@@ -1019,7 +1117,7 @@ int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
di_gen = __raw_readl(DI_GENERAL(disp));
if (sig.interlaced) {
- if (cpu_is_mx51_rev(CHIP_REV_2_0)) {
+ if (g_ipu_hw_rev >= 2) {
/* Setup internal HSYNC waveform */
_ipu_di_sync_config(
disp, /* display */
@@ -1259,7 +1357,7 @@ int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
}
/* Init template microcode */
- _ipu_dc_write_tmpl(0, WROD(0), 0, map, SYNC_WAVE, 0, 8);
+ _ipu_dc_write_tmpl(0, WROD(0), 0, map, SYNC_WAVE, 0, 8, 1);
if (sig.Hsync_pol)
di_gen |= DI_GEN_POLARITY_3;
@@ -1322,13 +1420,31 @@ int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
/* Init template microcode */
if (disp) {
- _ipu_dc_write_tmpl(2, WROD(0), 0, map, SYNC_WAVE, 8, 5);
- _ipu_dc_write_tmpl(3, WROD(0), 0, map, SYNC_WAVE, 4, 5);
- _ipu_dc_write_tmpl(4, WROD(0), 0, map, SYNC_WAVE, 0, 5);
+ if ((pixel_fmt == IPU_PIX_FMT_YUYV) ||
+ (pixel_fmt == IPU_PIX_FMT_UYVY) ||
+ (pixel_fmt == IPU_PIX_FMT_YVYU) ||
+ (pixel_fmt == IPU_PIX_FMT_VYUY)) {
+ _ipu_dc_write_tmpl(8, WROD(0), 0, (map - 1), SYNC_WAVE, 0, 5, 1);
+ _ipu_dc_write_tmpl(9, WROD(0), 0, map, SYNC_WAVE, 0, 5, 1);
+ /* configure user events according to DISP NUM */
+ __raw_writel((width - 1), DC_UGDE_3(disp));
+ }
+ _ipu_dc_write_tmpl(2, WROD(0), 0, map, SYNC_WAVE, 8, 5, 1);
+ _ipu_dc_write_tmpl(3, WRG, 0, map, SYNC_WAVE, 4, 5, 1);
+ _ipu_dc_write_tmpl(4, WROD(0), 0, map, SYNC_WAVE, 0, 5, 1);
} else {
- _ipu_dc_write_tmpl(5, WROD(0), 0, map, SYNC_WAVE, 8, 5);
- _ipu_dc_write_tmpl(6, WROD(0), 0, map, SYNC_WAVE, 4, 5);
- _ipu_dc_write_tmpl(7, WROD(0), 0, map, SYNC_WAVE, 0, 5);
+ if ((pixel_fmt == IPU_PIX_FMT_YUYV) ||
+ (pixel_fmt == IPU_PIX_FMT_UYVY) ||
+ (pixel_fmt == IPU_PIX_FMT_YVYU) ||
+ (pixel_fmt == IPU_PIX_FMT_VYUY)) {
+ _ipu_dc_write_tmpl(10, WROD(0), 0, (map - 1), SYNC_WAVE, 0, 5, 1);
+ _ipu_dc_write_tmpl(11, WROD(0), 0, map, SYNC_WAVE, 0, 5, 1);
+ /* configure user events according to DISP NUM */
+ __raw_writel(width - 1, DC_UGDE_3(disp));
+ }
+ _ipu_dc_write_tmpl(5, WROD(0), 0, map, SYNC_WAVE, 8, 5, 1);
+ _ipu_dc_write_tmpl(6, WRG, 0, map, SYNC_WAVE, 4, 5, 1);
+ _ipu_dc_write_tmpl(7, WROD(0), 0, map, SYNC_WAVE, 0, 5, 1);
}
if (sig.Hsync_pol)
@@ -1340,6 +1456,19 @@ int32_t ipu_init_sync_panel(int disp, uint32_t pixel_clk,
/* Set the clock to stop at counter 6. */
di_gen |= 0x6000000;
}
+ /* changinc DISP_CLK polarity: it can be wrong for some applications */
+ if ((pixel_fmt == IPU_PIX_FMT_YUYV) ||
+ (pixel_fmt == IPU_PIX_FMT_UYVY) ||
+ (pixel_fmt == IPU_PIX_FMT_YVYU) ||
+ (pixel_fmt == IPU_PIX_FMT_VYUY))
+ di_gen |= 0x00020000;
+ else {
+ /* Configure accordingly to the received configuration */
+ if (sig.clk_pol)
+ di_gen |= 0x00020000;
+ else
+ di_gen &= ~0x00020000;
+ }
__raw_writel(di_gen, DI_GENERAL(disp));
@@ -1402,7 +1531,7 @@ int ipu_init_async_panel(int disp, int type, uint32_t cycle_time,
_ipu_di_data_pin_config(disp, ASYNC_SER_WAVE, DI_PIN_SER_RS,
2, 0, 0);
- _ipu_dc_write_tmpl(0x64, WROD(0), 0, map, ASYNC_SER_WAVE, 0, 0);
+ _ipu_dc_write_tmpl(0x64, WROD(0), 0, map, ASYNC_SER_WAVE, 0, 0, 1);
/* Configure DC for serial panel */
__raw_writel(0x14, DC_DISP_CONF1(DC_DISP_ID_SERIAL));
@@ -1679,6 +1808,39 @@ int32_t ipu_disp_set_window_pos(ipu_channel_t channel, int16_t x_pos,
}
EXPORT_SYMBOL(ipu_disp_set_window_pos);
+int32_t ipu_disp_get_window_pos(ipu_channel_t channel, int16_t *x_pos,
+ int16_t *y_pos)
+{
+ u32 reg;
+ unsigned long lock_flags;
+ uint32_t flow = 0;
+
+ if (channel == MEM_FG_SYNC)
+ flow = DP_SYNC;
+ else if (channel == MEM_FG_ASYNC0)
+ flow = DP_ASYNC0;
+ else if (channel == MEM_FG_ASYNC1)
+ flow = DP_ASYNC1;
+ else
+ return -EINVAL;
+
+ if (!g_ipu_clk_enabled)
+ clk_enable(g_ipu_clk);
+ spin_lock_irqsave(&ipu_lock, lock_flags);
+
+ reg = __raw_readl(DP_FG_POS(flow));
+
+ *x_pos = (reg >> 16) & 0x7FF;
+ *y_pos = reg & 0x7FF;
+
+ spin_unlock_irqrestore(&ipu_lock, lock_flags);
+ if (!g_ipu_clk_enabled)
+ clk_disable(g_ipu_clk);
+
+ return 0;
+}
+EXPORT_SYMBOL(ipu_disp_get_window_pos);
+
void ipu_disp_direct_write(ipu_channel_t channel, u32 value, u32 offset)
{
if (channel == DIRECT_ASYNC0)
diff --git a/drivers/mxc/ipu3/ipu_ic.c b/drivers/mxc/ipu3/ipu_ic.c
index 564fab0b699a..78c3a9228941 100644
--- a/drivers/mxc/ipu3/ipu_ic.c
+++ b/drivers/mxc/ipu3/ipu_ic.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -157,7 +157,6 @@ void _ipu_vdi_init(ipu_channel_t channel, ipu_channel_params_t *params)
{
uint32_t reg;
uint32_t pixel_fmt;
- bool top_field_0;
reg = ((params->mem_prp_vf_mem.in_height-1) << 16) |
(params->mem_prp_vf_mem.in_width-1);
@@ -186,19 +185,7 @@ void _ipu_vdi_init(ipu_channel_t channel, ipu_channel_params_t *params)
}
__raw_writel(reg, VDI_C);
- /* MED_MOTION and LOW_MOTION algorithm that are using 3 fields
- * should start presenting using the 2nd field.
- */
- if (((params->mem_prp_vf_mem.field_fmt == V4L2_FIELD_INTERLACED_TB) &&
- (params->mem_prp_vf_mem.motion_sel != HIGH_MOTION)) ||
- ((params->mem_prp_vf_mem.field_fmt == V4L2_FIELD_INTERLACED_BT) &&
- (params->mem_prp_vf_mem.motion_sel == HIGH_MOTION)))
- top_field_0 = false;
- else
- top_field_0 = true;
-
- /* Buffer selection toggle the value therefore init val is inverted. */
- _ipu_vdi_set_top_field_man(!top_field_0);
+ _ipu_vdi_set_top_field_man(false);
_ipu_vdi_set_motion(params->mem_prp_vf_mem.motion_sel);
@@ -227,13 +214,13 @@ void _ipu_ic_init_prpvf(ipu_channel_params_t *params, bool src_is_csi)
/* Setup horizontal resizing */
/* Upadeted for IC split case */
- if (!(params->mem_prp_vf_mem.out_resize_ratio)) {
+ if (!(params->mem_prp_vf_mem.outh_resize_ratio)) {
_calc_resize_coeffs(params->mem_prp_vf_mem.in_width,
params->mem_prp_vf_mem.out_width,
&resizeCoeff, &downsizeCoeff);
reg |= (downsizeCoeff << 14) | resizeCoeff;
} else
- reg |= params->mem_prp_vf_mem.out_resize_ratio;
+ reg |= params->mem_prp_vf_mem.outh_resize_ratio;
__raw_writel(reg, IC_PRP_VF_RSC);
@@ -349,13 +336,13 @@ void _ipu_ic_init_prpenc(ipu_channel_params_t *params, bool src_is_csi)
/* Setup horizontal resizing */
/* Upadeted for IC split case */
- if (!(params->mem_prp_enc_mem.out_resize_ratio)) {
+ if (!(params->mem_prp_enc_mem.outh_resize_ratio)) {
_calc_resize_coeffs(params->mem_prp_enc_mem.in_width,
params->mem_prp_enc_mem.out_width,
&resizeCoeff, &downsizeCoeff);
reg |= (downsizeCoeff << 14) | resizeCoeff;
} else
- reg |= params->mem_prp_enc_mem.out_resize_ratio;
+ reg |= params->mem_prp_enc_mem.outh_resize_ratio;
__raw_writel(reg, IC_PRP_ENC_RSC);
@@ -387,6 +374,8 @@ void _ipu_ic_init_prpenc(ipu_channel_params_t *params, bool src_is_csi)
ic_conf |= IC_CONF_RWS_EN;
__raw_writel(ic_conf, IC_CONF);
+
+// ic_dump_register();
}
void _ipu_ic_uninit_prpenc(void)
@@ -418,20 +407,24 @@ void _ipu_ic_init_pp(ipu_channel_params_t *params)
ipu_color_space_t in_fmt, out_fmt;
/* Setup vertical resizing */
- _calc_resize_coeffs(params->mem_pp_mem.in_height,
+ if (!(params->mem_pp_mem.outv_resize_ratio)) {
+ _calc_resize_coeffs(params->mem_pp_mem.in_height,
params->mem_pp_mem.out_height,
&resizeCoeff, &downsizeCoeff);
- reg = (downsizeCoeff << 30) | (resizeCoeff << 16);
+ reg = (downsizeCoeff << 30) | (resizeCoeff << 16);
+ } else {
+ reg = (params->mem_pp_mem.outv_resize_ratio) << 16;
+ }
/* Setup horizontal resizing */
/* Upadeted for IC split case */
- if (!(params->mem_pp_mem.out_resize_ratio)) {
+ if (!(params->mem_pp_mem.outh_resize_ratio)) {
_calc_resize_coeffs(params->mem_pp_mem.in_width,
params->mem_pp_mem.out_width,
&resizeCoeff, &downsizeCoeff);
reg |= (downsizeCoeff << 14) | resizeCoeff;
} else {
- reg |= params->mem_pp_mem.out_resize_ratio;
+ reg |= params->mem_pp_mem.outh_resize_ratio;
}
__raw_writel(reg, IC_PP_RSC);
diff --git a/drivers/mxc/ipu3/ipu_param_mem.h b/drivers/mxc/ipu3/ipu_param_mem.h
index dab3b617db1c..30e6dc1005ba 100644
--- a/drivers/mxc/ipu3/ipu_param_mem.h
+++ b/drivers/mxc/ipu3/ipu_param_mem.h
@@ -155,8 +155,15 @@ static inline void _ipu_ch_param_init(int ch,
ipu_ch_param_set_field(&params, 1, 102, 14, stride - 1);
}
+ /* EBA is 8-byte aligned */
ipu_ch_param_set_field(&params, 1, 0, 29, addr0 >> 3);
ipu_ch_param_set_field(&params, 1, 29, 29, addr1 >> 3);
+ if (addr0%8)
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's EBA0 is not 8-byte aligned\n", ch);
+ if (addr1%8)
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's EBA1 is not 8-byte aligned\n", ch);
switch (pixel_fmt) {
case IPU_PIX_FMT_GENERIC:
@@ -210,13 +217,14 @@ static inline void _ipu_ch_param_init(int ch,
case IPU_PIX_FMT_ABGR32:
ipu_ch_param_set_field(&params, 0, 107, 3, 0); /* bits/pixel */
ipu_ch_param_set_field(&params, 1, 85, 4, 7); /* pix format */
+ ipu_ch_param_set_field(&params, 1, 78, 7, 15); /* burst size */
_ipu_ch_params_set_packing(&params, 8, 0, 8, 8, 8, 16, 8, 24);
break;
case IPU_PIX_FMT_UYVY:
ipu_ch_param_set_field(&params, 0, 107, 3, 3); /* bits/pixel */
ipu_ch_param_set_field(&params, 1, 85, 4, 0xA); /* pix format */
- ipu_ch_param_set_field(&params, 1, 78, 7, 15); /* burst size */
+ ipu_ch_param_set_field(&params, 1, 78, 7, 31); /* burst size */
break;
case IPU_PIX_FMT_YUYV:
ipu_ch_param_set_field(&params, 0, 107, 3, 3); /* bits/pixel */
@@ -289,13 +297,19 @@ static inline void _ipu_ch_param_init(int ch,
v_offset = v;
}
- /* UBO and VBO are 22-bit */
+ /* UBO and VBO are 22-bit and 8-byte aligned */
if (u_offset/8 > 0x3fffff)
- dev_err(g_ipu_dev,
- "The value of U offset exceeds IPU limitation\n");
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's U offset exceeds IPU limitation\n", ch);
if (v_offset/8 > 0x3fffff)
- dev_err(g_ipu_dev,
- "The value of V offset exceeds IPU limitation\n");
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's V offset exceeds IPU limitation\n", ch);
+ if (u_offset%8)
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's U offset is not 8-byte aligned\n", ch);
+ if (v_offset%8)
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's V offset is not 8-byte aligned\n", ch);
ipu_ch_param_set_field(&params, 0, 46, 22, u_offset / 8);
ipu_ch_param_set_field(&params, 0, 68, 22, v_offset / 8);
@@ -386,6 +400,13 @@ static inline void _ipu_ch_param_set_interlaced_scan(uint32_t ch)
u32 stride;
ipu_ch_param_set_field(ipu_ch_param_addr(ch), 0, 113, 1, 1);
stride = ipu_ch_param_read_field(ipu_ch_param_addr(ch), 1, 102, 14) + 1;
+ /* ILO is 20-bit and 8-byte aligned */
+ if (stride/8 > 0xfffff)
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's ILO exceeds IPU limitation\n", ch);
+ if (stride%8)
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's ILO is not 8-byte aligned\n", ch);
ipu_ch_param_mod_field(ipu_ch_param_addr(ch), 1, 58, 20, stride / 8);
stride *= 2;
ipu_ch_param_mod_field(ipu_ch_param_addr(ch), 1, 102, 14, stride - 1);
@@ -442,7 +463,7 @@ static inline void _ipu_ch_offset_update(int ch,
(uv_stride * vertical_offset / 2) +
horizontal_offset / 2;
v_offset = u_offset + (uv_stride * height / 2);
- u_fix = u ? (u + (uv_stride * vertical_offset) +
+ u_fix = u ? (u + (uv_stride * vertical_offset / 2) +
(horizontal_offset / 2) -
(stride * vertical_offset) - (horizontal_offset)) :
u_offset;
@@ -493,9 +514,9 @@ static inline void _ipu_ch_offset_update(int ch,
uv_stride = stride;
u_offset = stride * (height - vertical_offset - 1) +
(stride - horizontal_offset) +
- (uv_stride * vertical_offset) +
+ (uv_stride * vertical_offset / 2) +
horizontal_offset;
- u_fix = u ? (u + (uv_stride * vertical_offset) +
+ u_fix = u ? (u + (uv_stride * vertical_offset / 2) +
horizontal_offset -
(stride * vertical_offset) - (horizontal_offset)) :
u_offset;
@@ -514,13 +535,19 @@ static inline void _ipu_ch_offset_update(int ch,
if (v_fix > v_offset)
v_offset = v_fix;
- /* UBO and VBO are 22-bit */
+ /* UBO and VBO are 22-bit and 8-byte aligned */
if (u_offset/8 > 0x3fffff)
- dev_err(g_ipu_dev,
- "The value of U offset exceeds IPU limitation\n");
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's U offset exceeds IPU limitation\n", ch);
if (v_offset/8 > 0x3fffff)
- dev_err(g_ipu_dev,
- "The value of V offset exceeds IPU limitation\n");
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's V offset exceeds IPU limitation\n", ch);
+ if (u_offset%8)
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's U offset is not 8-byte aligned\n", ch);
+ if (v_offset%8)
+ dev_warn(g_ipu_dev,
+ "IDMAC%d's V offset is not 8-byte aligned\n", ch);
ipu_ch_param_mod_field(ipu_ch_param_addr(ch), 0, 46, 22, u_offset / 8);
ipu_ch_param_mod_field(ipu_ch_param_addr(ch), 0, 68, 22, v_offset / 8);
diff --git a/drivers/mxc/ipu3/ipu_prv.h b/drivers/mxc/ipu3/ipu_prv.h
index 213ded04c87d..4e62b256889f 100644
--- a/drivers/mxc/ipu3/ipu_prv.h
+++ b/drivers/mxc/ipu3/ipu_prv.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2005-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2005-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -60,7 +60,7 @@ void _ipu_init_dc_mappings(void);
int _ipu_dp_init(ipu_channel_t channel, uint32_t in_pixel_fmt,
uint32_t out_pixel_fmt);
void _ipu_dp_uninit(ipu_channel_t channel);
-void _ipu_dc_init(int dc_chan, int di, bool interlaced);
+void _ipu_dc_init(int dc_chan, int di, bool interlaced, uint32_t pixel_fmt);
void _ipu_dc_uninit(int dc_chan);
void _ipu_dp_dc_enable(ipu_channel_t channel);
void _ipu_dp_dc_disable(ipu_channel_t channel, bool swap);
diff --git a/drivers/mxc/ipu3/ipu_regs.h b/drivers/mxc/ipu3/ipu_regs.h
index 2438df60a0ce..4a78e14df560 100644
--- a/drivers/mxc/ipu3/ipu_regs.h
+++ b/drivers/mxc/ipu3/ipu_regs.h
@@ -261,6 +261,14 @@ extern u32 *ipu_vdi_reg;
#define DC_EVT_NEW_CHAN_R_1 9
#define DC_EVT_NEW_DATA_R_0 10
#define DC_EVT_NEW_DATA_R_1 11
+#define DC_EVEN_UGDE0 12
+#define DC_ODD_UGDE0 13
+#define DC_EVEN_UGDE1 14
+#define DC_ODD_UGDE1 15
+#define DC_EVEN_UGDE2 16
+#define DC_ODD_UGDE2 17
+#define DC_EVEN_UGDE3 18
+#define DC_ODD_UGDE3 19
#define dc_ch_offset(ch) \
({ \
@@ -627,6 +635,8 @@ enum {
VDI_C_VWM3_CLR_2 = 0x02000000,
VDI_C_TOP_FIELD_MAN_1 = 0x40000000,
VDI_C_TOP_FIELD_AUTO_1 = 0x80000000,
+
+ DMFC_FIFO_SIZE_5F = 0x00003800,
};
enum di_pins {
@@ -654,5 +664,6 @@ enum di_sync_wave {
/* DC template opcodes */
#define WROD(lf) (0x18 | (lf << 1))
+#define WRG (0x01)
#endif
diff --git a/drivers/mxc/mlb/Kconfig b/drivers/mxc/mlb/Kconfig
index 294c9776fb4d..7e3b16c2ddae 100644
--- a/drivers/mxc/mlb/Kconfig
+++ b/drivers/mxc/mlb/Kconfig
@@ -6,7 +6,7 @@ menu "MXC Media Local Bus Driver"
config MXC_MLB
tristate "MLB support"
- depends on ARCH_MX35
+ depends on ARCH_MX35 || ARCH_MX53
---help---
Say Y to get the MLB support.
diff --git a/drivers/mxc/pmic/core/mc13892.c b/drivers/mxc/pmic/core/mc13892.c
index 9f232a4f5718..1175ab633fc6 100644
--- a/drivers/mxc/pmic/core/mc13892.c
+++ b/drivers/mxc/pmic/core/mc13892.c
@@ -262,6 +262,7 @@ int pmic_event_unmask(type_event event)
return ret;
}
+EXPORT_SYMBOL(pmic_event_unmask);
int pmic_event_mask(type_event event)
{
@@ -294,7 +295,7 @@ int pmic_event_mask(type_event event)
return ret;
}
-
+EXPORT_SYMBOL(pmic_event_mask);
/*!
* This function returns the PMIC version in system.
*
diff --git a/drivers/mxc/pmic/core/pmic.h b/drivers/mxc/pmic/core/pmic.h
index 964c44a06bc1..da61b19a3f31 100644
--- a/drivers/mxc/pmic/core/pmic.h
+++ b/drivers/mxc/pmic/core/pmic.h
@@ -58,8 +58,6 @@ static inline int spi_rw(struct spi_device *spi, u8 * buf, size_t len)
.cs_change = 0,
.delay_usecs = 0,
};
- mxc_spi_poll_transfer(spi, &t);
- return 0;
#if 0
struct spi_message m;
@@ -68,6 +66,9 @@ static inline int spi_rw(struct spi_device *spi, u8 * buf, size_t len)
if (spi_sync(spi, &m) != 0 || m.status != 0)
return PMIC_ERROR;
return (len - m.actual_length);
+#else
+ mxc_spi_poll_transfer(spi, &t);
+ return 0;
#endif
}
diff --git a/drivers/mxc/pmic/mc13892/pmic_adc.c b/drivers/mxc/pmic/mc13892/pmic_adc.c
index 68588a40d7e4..60ce35e86a06 100644
--- a/drivers/mxc/pmic/mc13892/pmic_adc.c
+++ b/drivers/mxc/pmic/mc13892/pmic_adc.c
@@ -17,6 +17,7 @@
#include <linux/delay.h>
#include <linux/wait.h>
#include <linux/device.h>
+#include <linux/cdev.h>
#include <linux/pmic_adc.h>
#include <linux/pmic_status.h>
@@ -33,6 +34,9 @@
#define MC13892_ADC0_TS_M_LSH 14
#define MC13892_ADC0_TS_M_WID 3
+static int pmic_adc_major;
+static struct class *pmic_adc_class;
+
/*
* Maximun allowed variation in the three X/Y co-ordinates acquired from
* touch-screen
@@ -924,17 +928,322 @@ static ssize_t adc_ctl(struct device *dev, struct device_attribute *attr,
#endif
+/*!
+ * This function triggers a conversion and returns sampling results of each
+ * specified channel.
+ *
+ * @param channels This input parameter is bitmap to specify channels
+ * to be sampled.
+ * @param result The pointer to array to store sampling results.
+ * The memory should be allocated by the caller of this
+ * function.
+ *
+ * @return This function returns PMIC_SUCCESS if successful.
+ */
+PMIC_STATUS pmic_adc_convert_multichnnel(t_channel channels,
+ unsigned short *result)
+{
+ t_adc_param adc_param;
+ int i;
+ PMIC_STATUS ret;
+ if (suspend_flag == 1) {
+ return -EBUSY;
+ }
+ mc13892_adc_init_param(&adc_param);
+ pr_debug("pmic_adc_convert_multichnnel\n");
+
+ channels = channel_num[channels];
+
+ if (channels == -1) {
+ pr_debug("Wrong channel ID\n");
+ return PMIC_PARAMETER_ERROR;
+ }
+
+ adc_param.read_ts = false;
+ adc_param.single_channel = false;
+ if ((channels >= 0) && (channels <= 7)) {
+ adc_param.channel_0 = channels;
+ adc_param.channel_1 = ((channels + 4) % 4) + 4;
+ } else {
+ return PMIC_PARAMETER_ERROR;
+ }
+ adc_param.read_mode = 0x00003f;
+ adc_param.read_ts = false;
+ ret = mc13892_adc_convert(&adc_param);
+
+ for (i = 0; i <= 7; i++) {
+ result[i] = adc_param.value[i];
+ }
+ return ret;
+}
+
+/*!
+ * This function starts a Battery Current mode conversion.
+ *
+ * @param mode Conversion mode.
+ * @param result Battery Current measurement result.
+ * if \a mode = ADC_8CHAN_1X, the result is \n
+ * result[0] = (BATTP - BATT_I) \n
+ * if \a mode = ADC_1CHAN_8X, the result is \n
+ * result[0] = BATTP \n
+ * result[1] = BATT_I \n
+ * result[2] = BATTP \n
+ * result[3] = BATT_I \n
+ * result[4] = BATTP \n
+ * result[5] = BATT_I \n
+ * result[6] = BATTP \n
+ * result[7] = BATT_I
+ *
+ * @return This function returns PMIC_SUCCESS if successful.
+ */
+PMIC_STATUS pmic_adc_get_battery_current(t_conversion_mode mode,
+ unsigned short *result)
+{
+ PMIC_STATUS ret;
+ t_channel channel;
+ if (suspend_flag == 1) {
+ return -EBUSY;
+ }
+ channel = BATTERY_CURRENT;
+ if (mode == ADC_8CHAN_1X) {
+ ret = pmic_adc_convert(channel, result);
+ } else {
+ ret = pmic_adc_convert_8x(channel, result);
+ }
+ return ret;
+}
+
+/*!
+ * This function implements the open method on a MC13892 ADC device.
+ *
+ * @param inode pointer on the node
+ * @param file pointer on the file
+ * @return This function returns 0.
+ */
+static int pmic_adc_open(struct inode *inode, struct file *file)
+{
+ while (suspend_flag == 1) {
+ swait++;
+ /* Block if the device is suspended */
+ if (wait_event_interruptible(suspendq, (suspend_flag == 0))) {
+ return -ERESTARTSYS;
+ }
+ }
+ pr_debug("mc13892_adc : mc13892_adc_open()\n");
+ return 0;
+}
+
+/*!
+ * This function implements the release method on a MC13892 ADC device.
+ *
+ * @param inode pointer on the node
+ * @param file pointer on the file
+ * @return This function returns 0.
+ */
+static int pmic_adc_free(struct inode *inode, struct file *file)
+{
+ pr_debug("mc13892_adc : mc13892_adc_free()\n");
+ return 0;
+}
+
+/*!
+ * This function implements IOCTL controls on a MC13892 ADC device.
+ *
+ * @param inode pointer on the node
+ * @param file pointer on the file
+ * @param cmd the command
+ * @param arg the parameter
+ * @return This function returns 0 if successful.
+ */
+static int pmic_adc_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ t_adc_convert_param *convert_param;
+ t_touch_mode touch_mode;
+ t_touch_screen touch_sample;
+ unsigned short b_current;
+
+ if ((_IOC_TYPE(cmd) != 'p') && (_IOC_TYPE(cmd) != 'D'))
+ return -ENOTTY;
+
+ while (suspend_flag == 1) {
+ swait++;
+ /* Block if the device is suspended */
+ if (wait_event_interruptible(suspendq, (suspend_flag == 0))) {
+ return -ERESTARTSYS;
+ }
+ }
+
+ switch (cmd) {
+ case PMIC_ADC_INIT:
+ CHECK_ERROR(pmic_adc_init());
+ break;
+
+ case PMIC_ADC_DEINIT:
+ CHECK_ERROR(pmic_adc_deinit());
+ break;
+
+ case PMIC_ADC_CONVERT:
+ if ((convert_param = kmalloc(sizeof(t_adc_convert_param),
+ GFP_KERNEL)) == NULL) {
+ return -ENOMEM;
+ }
+ if (copy_from_user(convert_param, (t_adc_convert_param *) arg,
+ sizeof(t_adc_convert_param))) {
+ kfree(convert_param);
+ return -EFAULT;
+ }
+ CHECK_ERROR_KFREE(pmic_adc_convert(convert_param->channel,
+ convert_param->result),
+ (kfree(convert_param)));
+
+ if (copy_to_user((t_adc_convert_param *) arg, convert_param,
+ sizeof(t_adc_convert_param))) {
+ kfree(convert_param);
+ return -EFAULT;
+ }
+ kfree(convert_param);
+ break;
+
+ case PMIC_ADC_CONVERT_8X:
+ if ((convert_param = kmalloc(sizeof(t_adc_convert_param),
+ GFP_KERNEL)) == NULL) {
+ return -ENOMEM;
+ }
+ if (copy_from_user(convert_param, (t_adc_convert_param *) arg,
+ sizeof(t_adc_convert_param))) {
+ kfree(convert_param);
+ return -EFAULT;
+ }
+ CHECK_ERROR_KFREE(pmic_adc_convert_8x(convert_param->channel,
+ convert_param->result),
+ (kfree(convert_param)));
+
+ if (copy_to_user((t_adc_convert_param *) arg, convert_param,
+ sizeof(t_adc_convert_param))) {
+ kfree(convert_param);
+ return -EFAULT;
+ }
+ kfree(convert_param);
+ break;
+
+ case PMIC_ADC_CONVERT_MULTICHANNEL:
+ if ((convert_param = kmalloc(sizeof(t_adc_convert_param),
+ GFP_KERNEL)) == NULL) {
+ return -ENOMEM;
+ }
+ if (copy_from_user(convert_param, (t_adc_convert_param *) arg,
+ sizeof(t_adc_convert_param))) {
+ kfree(convert_param);
+ return -EFAULT;
+ }
+
+ CHECK_ERROR_KFREE(pmic_adc_convert_multichnnel
+ (convert_param->channel,
+ convert_param->result),
+ (kfree(convert_param)));
+
+ if (copy_to_user((t_adc_convert_param *) arg, convert_param,
+ sizeof(t_adc_convert_param))) {
+ kfree(convert_param);
+ return -EFAULT;
+ }
+ kfree(convert_param);
+ break;
+
+ case PMIC_ADC_SET_TOUCH_MODE:
+ CHECK_ERROR(pmic_adc_set_touch_mode((t_touch_mode) arg));
+ break;
+
+ case PMIC_ADC_GET_TOUCH_MODE:
+ CHECK_ERROR(pmic_adc_get_touch_mode(&touch_mode));
+ if (copy_to_user((t_touch_mode *) arg, &touch_mode,
+ sizeof(t_touch_mode))) {
+ return -EFAULT;
+ }
+ break;
+
+ case PMIC_ADC_GET_TOUCH_SAMPLE:
+ CHECK_ERROR(pmic_adc_get_touch_sample(&touch_sample, 1));
+ if (copy_to_user((t_touch_screen *) arg, &touch_sample,
+ sizeof(t_touch_screen))) {
+ return -EFAULT;
+ }
+ break;
+
+ case PMIC_ADC_GET_BATTERY_CURRENT:
+ CHECK_ERROR(pmic_adc_get_battery_current(ADC_8CHAN_1X,
+ &b_current));
+ if (copy_to_user((unsigned short *)arg, &b_current,
+ sizeof(unsigned short))) {
+
+ return -EFAULT;
+ }
+ break;
+
+ default:
+ pr_debug("pmic_adc_ioctl: unsupported ioctl command 0x%x\n",
+ cmd);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static struct file_operations mc13892_adc_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = pmic_adc_ioctl,
+ .open = pmic_adc_open,
+ .release = pmic_adc_free,
+};
+
+static struct cdev pmic_adc_cdev;
static DEVICE_ATTR(adc, 0644, adc_info, adc_ctl);
static int pmic_adc_module_probe(struct platform_device *pdev)
{
int ret = 0;
+ struct device * sdev;
+ dev_t devid;
pr_debug("PMIC ADC start probe\n");
+
+ if( (ret = alloc_chrdev_region(&devid, 0, 8, "pmic_adc")) < 0 ) {
+ pr_debug(KERN_ERR "Unable to allocate device range for pmic_adc\n");
+ return ret;
+ }
+ pmic_adc_major = MAJOR(devid);
+ if (pmic_adc_major < 0) {
+ pr_debug(KERN_ERR "Unable to get a major for pmic_adc\n");
+ ret = pmic_adc_major;
+ goto unreg_char;
+ }
+
+ cdev_init(&pmic_adc_cdev, &mc13892_adc_fops);
+ ret =cdev_add(&pmic_adc_cdev, devid, 8);
+ if (ret < 0) {
+ pr_err("pmic_adc: cannot add character device\n");
+ goto unreg_char;
+ }
+
+ pmic_adc_class = class_create(THIS_MODULE, "pmic_adc");
+ if (IS_ERR(pmic_adc_class)) {
+ pr_debug(KERN_ERR "Error creating pmic_adc class.\n");
+ ret = PTR_ERR(pmic_adc_class);
+ goto unreg_char;
+ }
+
+ sdev = device_create(pmic_adc_class, NULL, devid, NULL, "pmic_adc");
+ if (IS_ERR(sdev) ) {
+ pr_debug(KERN_ERR "Error creating pmic_adc class device.\n");
+ ret = PTR_ERR(sdev);
+ goto cl_destroy;
+ }
+
ret = device_create_file(&(pdev->dev), &dev_attr_adc);
if (ret) {
pr_debug("Can't create device file!\n");
- return -ENODEV;
+ ret = -ENODEV;
+ goto dev_destroy;
}
init_waitqueue_head(&suspendq);
@@ -946,11 +1255,17 @@ static int pmic_adc_module_probe(struct platform_device *pdev)
}
pmic_adc_ready = 1;
- pr_debug("PMIC ADC successfully probed\n");
+ printk(KERN_DEBUG"PMIC ADC successfully probed\n");
return 0;
- rm_dev_file:
+rm_dev_file:
device_remove_file(&(pdev->dev), &dev_attr_adc);
+dev_destroy:
+ device_destroy(pmic_adc_class, MKDEV(pmic_adc_major, 0));
+cl_destroy:
+ class_destroy(pmic_adc_class);
+unreg_char:
+ unregister_chrdev(pmic_adc_major, "pmic_adc");
return ret;
}
diff --git a/drivers/mxc/pmic/mc13892/pmic_battery.c b/drivers/mxc/pmic/mc13892/pmic_battery.c
index 8535eb0a34e4..c355e0c4338f 100644
--- a/drivers/mxc/pmic/mc13892/pmic_battery.c
+++ b/drivers/mxc/pmic/mc13892/pmic_battery.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -104,6 +104,19 @@ enum chg_setting {
VI_PROGRAM_EN
};
+
+static unsigned int max_voltage_design = 3800000;
+module_param(max_voltage_design, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(max_voltage_design, "Maximum battery voltage by design.");
+
+static unsigned int min_voltage_design = 3300000;
+module_param(min_voltage_design, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(min_voltage_design, "Minimum battery voltage by design.");
+
+static unsigned int main_charger_current = 0x8; /* 720 mA */
+module_param(main_charger_current, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(main_charger_current, "Main charge path regulator current limit.");
+
static int pmic_set_chg_current(unsigned short curr)
{
unsigned int mask;
@@ -180,15 +193,35 @@ static int pmic_set_chg_misc(enum chg_setting type, unsigned short flag)
return 0;
}
+static void pmic_stop_charging(void)
+{
+ pmic_set_chg_misc(AUTO_CHG_DIS, 0);
+ pmic_set_chg_current(0);
+}
+
+static int pmic_restart_charging(void)
+{
+ pmic_set_chg_misc(BAT_TH_CHECK_DIS, 1);
+ pmic_set_chg_misc(AUTO_CHG_DIS, 0);
+ pmic_set_chg_misc(VI_PROGRAM_EN, 1);
+ pmic_set_chg_current(main_charger_current);
+ pmic_set_chg_misc(RESTART_CHG_STAT, 1);
+ return 0;
+}
+
static int pmic_get_batt_voltage(unsigned short *voltage)
{
t_channel channel;
unsigned short result[8];
+ pmic_stop_charging();
+
channel = BATTERY_VOLTAGE;
CHECK_ERROR(pmic_adc_convert(channel, result));
*voltage = result[0];
+ pmic_restart_charging();
+
return 0;
}
@@ -197,10 +230,14 @@ static int pmic_get_batt_current(unsigned short *curr)
t_channel channel;
unsigned short result[8];
+ pmic_stop_charging();
+
channel = BATTERY_CURRENT;
CHECK_ERROR(pmic_adc_convert(channel, result));
*curr = result[0];
+ pmic_restart_charging();
+
return 0;
}
@@ -284,16 +321,6 @@ static int pmic_get_charger_coulomb(int *coulomb)
return 0;
}
-static int pmic_restart_charging(void)
-{
- pmic_set_chg_misc(BAT_TH_CHECK_DIS, 1);
- pmic_set_chg_misc(AUTO_CHG_DIS, 0);
- pmic_set_chg_misc(VI_PROGRAM_EN, 1);
- pmic_set_chg_current(0x8);
- pmic_set_chg_misc(RESTART_CHG_STAT, 1);
- return 0;
-}
-
struct mc13892_dev_info {
struct device *dev;
@@ -353,8 +380,8 @@ static int mc13892_charger_update_status(struct mc13892_dev_info *di)
pmic_restart_charging();
} else
pmic_stop_coulomb_counter();
+ }
}
- }
return ret;
}
@@ -422,7 +449,7 @@ static void mc13892_battery_update_status(struct mc13892_dev_info *di)
else
di->battery_status =
POWER_SUPPLY_STATUS_NOT_CHARGING;
- }
+ }
if (di->battery_status == POWER_SUPPLY_STATUS_NOT_CHARGING)
di->full_counter++;
@@ -491,10 +518,10 @@ static int mc13892_battery_get_property(struct power_supply *psy,
val->intval = di->accum_current_uAh;
break;
case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
- val->intval = 3800000;
+ val->intval = max_voltage_design;
break;
case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
- val->intval = 3300000;
+ val->intval = min_voltage_design;
break;
default:
return -EINVAL;
@@ -536,7 +563,7 @@ static int pmic_battery_probe(struct platform_device *pdev)
pr_debug("Battery driver is only applied for MC13892 V2.0\n");
return -1;
}
- if (machine_is_mx51_babbage()) {
+ if (machine_is_mx51_babbage() || machine_is_mx50_arm2()) {
pr_debug("mc13892 charger is not used for this platform\n");
return -1;
}
diff --git a/drivers/mxc/security/Kconfig b/drivers/mxc/security/Kconfig
index 875848b2c69c..3e36a29ace64 100644
--- a/drivers/mxc/security/Kconfig
+++ b/drivers/mxc/security/Kconfig
@@ -27,6 +27,7 @@ config MXC_SECURITY_RNG
depends on ARCH_MXC
depends on !ARCH_MXC91321
depends on !ARCH_MX27
+ depends on !ARCH_MX51
default n
select MXC_SECURITY_CORE
---help---
diff --git a/drivers/mxc/security/sahara2/fsl_shw_auth.c b/drivers/mxc/security/sahara2/fsl_shw_auth.c
index d3100f01380a..b3f8788b553a 100644
--- a/drivers/mxc/security/sahara2/fsl_shw_auth.c
+++ b/drivers/mxc/security/sahara2/fsl_shw_auth.c
@@ -326,7 +326,7 @@ static inline fsl_shw_return_t add_assoc_preamble(sah_Head_Desc ** desc_chain,
return status;
} /* add_assoc_preamble() */
-#if SUPPORT_SSL
+#ifdef SUPPORT_SSL
/*!
* Generate an SSL value
*
@@ -473,7 +473,7 @@ fsl_shw_return_t fsl_shw_gen_encrypt(fsl_shw_uco_t * user_ctx,
SAH_SF_USER_CHECK();
if (auth_ctx->mode == FSL_ACC_MODE_SSL) {
-#if SUPPORT_SSL
+#ifdef SUPPORT_SSL
ret = do_ssl_gen(user_ctx, auth_ctx, cipher_key_info,
auth_key_info, auth_data_length, auth_data,
payload_length, payload, ct, auth_value);
diff --git a/drivers/mxc/security/scc2_driver.c b/drivers/mxc/security/scc2_driver.c
index 3249405c86a1..5c0d8b4dc26d 100644
--- a/drivers/mxc/security/scc2_driver.c
+++ b/drivers/mxc/security/scc2_driver.c
@@ -415,6 +415,7 @@ extern scc_partition_status_t scc_partition_status(void *part_base)
break;
}
}
+EXPORT_SYMBOL(scc_partition_status);
/**
* Calculate the physical address from the kernel virtual address.
@@ -427,6 +428,7 @@ uint32_t scc_virt_to_phys(void *address)
return (uint32_t) address - (uint32_t) scm_ram_base
+ (uint32_t) scm_ram_phys_base;
}
+EXPORT_SYMBOL(scc_virt_to_phys);
/**
* Engage partition of secure memory
diff --git a/drivers/mxc/vpu/mxc_vpu.c b/drivers/mxc/vpu/mxc_vpu.c
index b9ae23928c5d..9fc25edc33fa 100644
--- a/drivers/mxc/vpu/mxc_vpu.c
+++ b/drivers/mxc/vpu/mxc_vpu.c
@@ -73,6 +73,7 @@ static struct vpu_mem_desc user_data_mem = { 0 };
static struct vpu_mem_desc share_mem = { 0 };
static void __iomem *vpu_base;
+static int vpu_irq;
static u32 phy_vpu_base_addr;
static struct mxc_vpu_platform_data *vpu_plat;
@@ -539,7 +540,7 @@ static int vpu_map_mem(struct file *fp, struct vm_area_struct *vm)
request_size);
vm->vm_flags |= VM_IO | VM_RESERVED;
- vm->vm_page_prot = pgprot_noncached(vm->vm_page_prot);
+ vm->vm_page_prot = pgprot_writecombine(vm->vm_page_prot);
return remap_pfn_range(vm, vm->vm_start, vm->vm_pgoff,
request_size, vm->vm_page_prot) ? -EAGAIN : 0;
@@ -635,8 +636,9 @@ static int vpu_dev_probe(struct platform_device *pdev)
err = -ENXIO;
goto err_out_class;
}
+ vpu_irq = res->start;
- err = request_irq(res->start, vpu_irq_handler, 0, "VPU_CODEC_IRQ",
+ err = request_irq(vpu_irq, vpu_irq_handler, 0, "VPU_CODEC_IRQ",
(void *)(&vpu_data));
if (err)
goto err_out_class;
@@ -660,6 +662,7 @@ static int vpu_dev_probe(struct platform_device *pdev)
static int vpu_dev_remove(struct platform_device *pdev)
{
+ free_irq(vpu_irq, &vpu_data);
iounmap(vpu_base);
iram_free(iram.start, VPU_IRAM_SIZE);
@@ -690,22 +693,25 @@ static int vpu_suspend(struct platform_device *pdev, pm_message_t state)
for (i = 0; i < vpu_clk_usercount; i++)
clk_disable(vpu_clk);
- clk_enable(vpu_clk);
- if (bitwork_mem.cpu_addr != 0) {
- SAVE_WORK_REGS;
- SAVE_CTRL_REGS;
- SAVE_RDWR_PTR_REGS;
- SAVE_DIS_FLAG_REGS;
-
- WRITE_REG(0x1, BIT_BUSY_FLAG);
- WRITE_REG(VPU_SLEEP_REG_VALUE, BIT_RUN_COMMAND);
- while (READ_REG(BIT_BUSY_FLAG)) ;
+ if (!cpu_is_mx37())
+ return 0;
+ else {
+ clk_enable(vpu_clk);
+ if (bitwork_mem.cpu_addr != 0) {
+ SAVE_WORK_REGS;
+ SAVE_CTRL_REGS;
+ SAVE_RDWR_PTR_REGS;
+ SAVE_DIS_FLAG_REGS;
+
+ WRITE_REG(0x1, BIT_BUSY_FLAG);
+ WRITE_REG(VPU_SLEEP_REG_VALUE, BIT_RUN_COMMAND);
+ while (READ_REG(BIT_BUSY_FLAG))
+ ;
+ }
+ clk_disable(vpu_clk);
}
- clk_disable(vpu_clk);
-
- if (cpu_is_mx37() || cpu_is_mx51())
- mxc_pg_enable(pdev);
+ mxc_pg_enable(pdev);
return 0;
@@ -719,11 +725,12 @@ static int vpu_resume(struct platform_device *pdev)
{
int i;
- if (cpu_is_mx37() || cpu_is_mx51())
+ if (cpu_is_mx37())
mxc_pg_disable(pdev);
+ else
+ goto recover_clk;
clk_enable(vpu_clk);
-
if (bitwork_mem.cpu_addr != 0) {
u32 *p = (u32 *) bitwork_mem.cpu_addr;
u32 data;
@@ -786,12 +793,13 @@ static int vpu_resume(struct platform_device *pdev)
WRITE_REG(VPU_WAKE_REG_VALUE, BIT_RUN_COMMAND);
while (READ_REG(BIT_BUSY_FLAG)) ;
}
-
clk_disable(vpu_clk);
+recover_clk:
/* Recover vpu clock */
for (i = 0; i < vpu_clk_usercount; i++)
clk_enable(vpu_clk);
+ printk("vpu_resume end\n");
return 0;
}
@@ -824,7 +832,6 @@ static int __init vpu_init(void)
static void __exit vpu_exit(void)
{
- free_irq(MXC_INT_VPU, (void *)(&vpu_data));
if (vpu_major > 0) {
device_destroy(vpu_class, MKDEV(vpu_major, 0));
class_destroy(vpu_class);
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index bd5d0e026b02..28318f4236b1 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1885,6 +1885,13 @@ config FEC_1588
bool "Enable FEC 1588 timestamping"
depends on FEC
+config FEC_L2SWITCH
+ bool "L2 Switch Ethernet Controller (of ColdFire CPUs)"
+ depends on ARCH_MX28 && !FEC
+ help
+ Say Y here if you want to use the built-in 10/100 Ethernet Switch
+ Controller on some Motorola ColdFire processors.
+
config FEC2
bool "Second FEC ethernet controller (on some ColdFire CPUs)"
depends on FEC
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index f3c89fb1b799..11bb1b5623bf 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -115,6 +115,7 @@ obj-$(CONFIG_HP100) += hp100.o
obj-$(CONFIG_SMC9194) += smc9194.o
obj-$(CONFIG_FEC) += fec.o
obj-$(CONFIG_FEC_1588) += fec_1588.o
+obj-$(CONFIG_FEC_L2SWITCH) += fec_switch.o
obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx.o
ifeq ($(CONFIG_FEC_MPC52xx_MDIO),y)
obj-$(CONFIG_FEC_MPC52xx) += fec_mpc52xx_phy.o
diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig
index a6bf9a7fddd9..481990fd3f2b 100644
--- a/drivers/net/can/Kconfig
+++ b/drivers/net/can/Kconfig
@@ -86,8 +86,8 @@ config CAN_DEBUG_DEVICES
config CAN_FLEXCAN
tristate "Freescale FlexCAN"
- depends on CAN && (ARCH_MX25 || ARCH_MX35 || ARCH_MX28)
- default m
+ depends on CAN && (ARCH_MX25 || ARCH_MX35 || ARCH_MX28 || ARCH_MX53)
+ default y
---help---
This select the support of Freescale CAN(FlexCAN).
This driver can also be built as a module.
diff --git a/drivers/net/can/flexcan/dev.c b/drivers/net/can/flexcan/dev.c
index 389f85d75709..404877c33eab 100644
--- a/drivers/net/can/flexcan/dev.c
+++ b/drivers/net/can/flexcan/dev.c
@@ -35,6 +35,74 @@
#endif
#include "flexcan.h"
+#define DEFAULT_BITRATE 500000
+#define TIME_SEGMENT_MIN 8
+#define TIME_SEGMENT_MAX 25
+#define TIME_SEGMENT_MID ((TIME_SEGMENT_MIN + TIME_SEGMENT_MAX)/2)
+
+struct time_segment {
+ char propseg;
+ char pseg1;
+ char pseg2;
+};
+
+struct time_segment time_segments[] = {
+ { /* total 8 timequanta */
+ 1, 2, 1
+ },
+ { /* total 9 timequanta */
+ 1, 2, 2
+ },
+ { /* total 10 timequanta */
+ 2, 2, 2
+ },
+ { /* total 11 timequanta */
+ 2, 2, 3
+ },
+ { /* total 12 timequanta */
+ 2, 3, 3
+ },
+ { /* total 13 timequanta */
+ 3, 3, 3
+ },
+ { /* total 14 timequanta */
+ 3, 3, 4
+ },
+ { /* total 15 timequanta */
+ 3, 4, 4
+ },
+ { /* total 16 timequanta */
+ 4, 4, 4
+ },
+ { /* total 17 timequanta */
+ 4, 4, 5
+ },
+ { /* total 18 timequanta */
+ 4, 5, 5
+ },
+ { /* total 19 timequanta */
+ 5, 5, 5
+ },
+ { /* total 20 timequanta */
+ 5, 5, 6
+ },
+ { /* total 21 timequanta */
+ 5, 6, 6
+ },
+ { /* total 22 timequanta */
+ 6, 6, 6
+ },
+ { /* total 23 timequanta */
+ 6, 6, 7
+ },
+ { /* total 24 timequanta */
+ 6, 7, 7
+ },
+ { /* total 25 timequanta */
+ 7, 7, 7
+ },
+};
+
enum {
FLEXCAN_ATTR_STATE = 0,
FLEXCAN_ATTR_BITRATE,
@@ -138,6 +206,45 @@ static void flexcan_set_bitrate(struct flexcan_device *flexcan, int bitrate)
* based on the bitrate to get the timing of
* presdiv, pseg1, pseg2, propseg
*/
+ int i, rate, div;
+ bool found = false;
+ struct time_segment *segment;
+ rate = clk_get_rate(flexcan->clk);
+
+ if (!bitrate)
+ bitrate = DEFAULT_BITRATE;
+
+ if (rate % bitrate == 0) {
+ div = rate / bitrate;
+ for (i = TIME_SEGMENT_MID; i <= TIME_SEGMENT_MAX; i++) {
+ if (div % i == 0) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ for (i = TIME_SEGMENT_MID - 1;
+ i >= TIME_SEGMENT_MIN; i--) {
+ if (div % i == 0) {
+ found = true;
+ break;
+ }
+ }
+
+ }
+ }
+
+ if (found) {
+ segment = &time_segments[i - TIME_SEGMENT_MIN];
+ flexcan->br_presdiv = div/i - 1;
+ flexcan->br_propseg = segment->propseg;
+ flexcan->br_pseg1 = segment->pseg1;
+ flexcan->br_pseg2 = segment->pseg2;
+ flexcan->bitrate = bitrate;
+ } else {
+ pr_info("The bitrate %d can't supported with clock \
+ rate of %d \n", bitrate, rate);
+ }
}
static void flexcan_update_bitrate(struct flexcan_device *flexcan)
@@ -201,7 +308,7 @@ static int flexcan_dump_xmit_mb(struct flexcan_device *flexcan, char *buf)
ret +=
sprintf(buf + ret,
"mb[%d]::CS:0x%x ID:0x%x DATA[1~2]:0x%02x,0x%02x\n",
- i, flexcan->hwmb[i].mb_cs.data,
+ i, flexcan->hwmb[i].mb_cs,
flexcan->hwmb[i].mb_id, flexcan->hwmb[i].mb_data[1],
flexcan->hwmb[i].mb_data[2]);
return ret;
@@ -214,7 +321,7 @@ static int flexcan_dump_rx_mb(struct flexcan_device *flexcan, char *buf)
ret +=
sprintf(buf + ret,
"mb[%d]::CS:0x%x ID:0x%x DATA[1~2]:0x%02x,0x%02x\n",
- i, flexcan->hwmb[i].mb_cs.data,
+ i, flexcan->hwmb[i].mb_cs,
flexcan->hwmb[i].mb_id, flexcan->hwmb[i].mb_data[1],
flexcan->hwmb[i].mb_data[2]);
return ret;
@@ -575,6 +682,7 @@ struct net_device *flexcan_device_alloc(struct platform_device *pdev,
return NULL;
}
flexcan_device_default(flexcan);
+ flexcan_set_bitrate(flexcan, flexcan->bitrate);
flexcan_update_bitrate(flexcan);
num = ARRAY_SIZE(flexcan_dev_attr);
diff --git a/drivers/net/can/flexcan/flexcan.h b/drivers/net/can/flexcan/flexcan.h
index d19cc1ee0620..51a800bd8e55 100644
--- a/drivers/net/can/flexcan/flexcan.h
+++ b/drivers/net/can/flexcan/flexcan.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -32,17 +32,6 @@
#define FLEXCAN_DEVICE_NAME "FlexCAN"
-struct can_mb_cs {
- unsigned int time_stamp:16;
- unsigned int length:4;
- unsigned int rtr:1;
- unsigned int ide:1;
- unsigned int srr:1;
- unsigned int nouse1:1;
- unsigned int code:4;
- unsigned int nouse2:4;
-};
-
#define CAN_MB_RX_INACTIVE 0x0
#define CAN_MB_RX_EMPTY 0x4
#define CAN_MB_RX_FULL 0x2
@@ -55,14 +44,24 @@ struct can_mb_cs {
#define CAN_MB_TX_REMOTE 0xA
struct can_hw_mb {
- union {
- struct can_mb_cs cs;
- unsigned int data;
- } mb_cs;
+ unsigned int mb_cs;
unsigned int mb_id;
unsigned char mb_data[8];
};
+#define MB_CS_CODE_OFFSET 24
+#define MB_CS_CODE_MASK (0xF << MB_CS_CODE_OFFSET)
+#define MB_CS_SRR_OFFSET 22
+#define MB_CS_SRR_MASK (0x1 << MB_CS_SRR_OFFSET)
+#define MB_CS_IDE_OFFSET 21
+#define MB_CS_IDE_MASK (0x1 << MB_CS_IDE_OFFSET)
+#define MB_CS_RTR_OFFSET 20
+#define MB_CS_RTR_MASK (0x1 << MB_CS_RTR_OFFSET)
+#define MB_CS_LENGTH_OFFSET 16
+#define MB_CS_LENGTH_MASK (0xF << MB_CS_LENGTH_OFFSET)
+#define MB_CS_TIMESTAMP_OFFSET 0
+#define MB_CS_TIMESTAMP_MASK (0xFF << MB_CS_TIMESTAMP_OFFSET)
+
#define CAN_HW_REG_MCR 0x00
#define CAN_HW_REG_CTRL 0x04
#define CAN_HW_REG_TIMER 0x08
diff --git a/drivers/net/can/flexcan/mbm.c b/drivers/net/can/flexcan/mbm.c
index b0341ba9128e..c846d97daadb 100644
--- a/drivers/net/can/flexcan/mbm.c
+++ b/drivers/net/can/flexcan/mbm.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -55,10 +55,13 @@ static void flexcan_mb_bottom(struct net_device *dev, int index)
hwmb = flexcan->hwmb + index;
if (flexcan->fifo || (index >= (flexcan->maxmb - flexcan->xmit_maxmb))) {
- if (hwmb->mb_cs.cs.code == CAN_MB_TX_ABORT)
- hwmb->mb_cs.cs.code = CAN_MB_TX_INACTIVE;
+ if ((hwmb->mb_cs & MB_CS_CODE_MASK) >> MB_CS_CODE_OFFSET ==
+ CAN_MB_TX_ABORT) {
+ hwmb->mb_cs &= ~MB_CS_CODE_MASK;
+ hwmb->mb_cs |= CAN_MB_TX_INACTIVE << MB_CS_CODE_OFFSET;
+ }
- if (hwmb->mb_cs.cs.code & CAN_MB_TX_INACTIVE) {
+ if (hwmb->mb_cs & (CAN_MB_TX_INACTIVE << MB_CS_CODE_OFFSET)) {
if (netif_queue_stopped(dev))
netif_start_queue(dev);
return;
@@ -68,16 +71,17 @@ static void flexcan_mb_bottom(struct net_device *dev, int index)
if (skb) {
frame = (struct can_frame *)skb_put(skb, sizeof(*frame));
memset(frame, 0, sizeof(*frame));
- if (hwmb->mb_cs.cs.ide)
+ if (hwmb->mb_cs & MB_CS_IDE_MASK)
frame->can_id =
(hwmb->mb_id & CAN_EFF_MASK) | CAN_EFF_FLAG;
else
frame->can_id = (hwmb->mb_id >> 18) & CAN_SFF_MASK;
- if (hwmb->mb_cs.cs.rtr)
+ if (hwmb->mb_cs & MB_CS_RTR_MASK)
frame->can_id |= CAN_RTR_FLAG;
- frame->can_dlc = hwmb->mb_cs.cs.length;
+ frame->can_dlc =
+ (hwmb->mb_cs & MB_CS_LENGTH_MASK) >> MB_CS_LENGTH_OFFSET;
if (frame->can_dlc && frame->can_dlc)
flexcan_memcpy(frame->data, hwmb->mb_data,
@@ -85,7 +89,8 @@ static void flexcan_mb_bottom(struct net_device *dev, int index)
if (flexcan->fifo
|| (index >= (flexcan->maxmb - flexcan->xmit_maxmb))) {
- hwmb->mb_cs.cs.code = CAN_MB_TX_INACTIVE;
+ hwmb->mb_cs &= ~MB_CS_CODE_MASK;
+ hwmb->mb_cs |= CAN_MB_TX_INACTIVE << MB_CS_CODE_OFFSET;
if (netif_queue_stopped(dev))
netif_start_queue(dev);
}
@@ -101,13 +106,13 @@ static void flexcan_mb_bottom(struct net_device *dev, int index)
skb->ip_summed = CHECKSUM_UNNECESSARY;
netif_rx(skb);
} else {
- tmp = hwmb->mb_cs.data;
+ tmp = hwmb->mb_cs;
tmp = hwmb->mb_id;
tmp = hwmb->mb_data[0];
if (flexcan->fifo
|| (index >= (flexcan->maxmb - flexcan->xmit_maxmb))) {
-
- hwmb->mb_cs.cs.code = CAN_MB_TX_INACTIVE;
+ hwmb->mb_cs &= ~MB_CS_CODE_MASK;
+ hwmb->mb_cs |= CAN_MB_TX_INACTIVE << MB_CS_CODE_OFFSET;
if (netif_queue_stopped(dev))
netif_start_queue(dev);
}
@@ -131,17 +136,19 @@ static void flexcan_fifo_isr(struct net_device *dev, unsigned int iflag1)
frame =
(struct can_frame *)skb_put(skb, sizeof(*frame));
memset(frame, 0, sizeof(*frame));
- if (hwmb->mb_cs.cs.ide)
+ if (hwmb->mb_cs & MB_CS_IDE_MASK)
frame->can_id =
(hwmb->mb_id & CAN_EFF_MASK) | CAN_EFF_FLAG;
else
frame->can_id =
(hwmb->mb_id >> 18) & CAN_SFF_MASK;
- if (hwmb->mb_cs.cs.rtr)
+ if (hwmb->mb_cs & MB_CS_RTR_MASK)
frame->can_id |= CAN_RTR_FLAG;
- frame->can_dlc = hwmb->mb_cs.cs.length;
+ frame->can_dlc =
+ (hwmb->mb_cs & MB_CS_LENGTH_MASK) >>
+ MB_CS_LENGTH_OFFSET;
if (frame->can_dlc && (frame->can_dlc <= 8))
flexcan_memcpy(frame->data, hwmb->mb_data,
@@ -158,7 +165,7 @@ static void flexcan_fifo_isr(struct net_device *dev, unsigned int iflag1)
skb->ip_summed = CHECKSUM_UNNECESSARY;
netif_rx(skb);
} else {
- tmp = hwmb->mb_cs.data;
+ tmp = hwmb->mb_cs;
tmp = hwmb->mb_id;
tmp = hwmb->mb_data[0];
tmp = __raw_readl(flexcan->io_base + CAN_HW_REG_TIMER);
@@ -252,7 +259,8 @@ int flexcan_mbm_xmit(struct flexcan_device *flexcan, struct can_frame *frame)
struct can_hw_mb *hwmb = flexcan->hwmb;
do {
- if (hwmb[i].mb_cs.cs.code == CAN_MB_TX_INACTIVE)
+ if ((hwmb[i].mb_cs & MB_CS_CODE_MASK) >> MB_CS_CODE_OFFSET ==
+ CAN_MB_TX_INACTIVE)
break;
if ((++i) > flexcan->maxmb) {
if (flexcan->fifo)
@@ -273,22 +281,24 @@ int flexcan_mbm_xmit(struct flexcan_device *flexcan, struct can_frame *frame)
}
if (frame->can_id & CAN_RTR_FLAG)
- hwmb[i].mb_cs.cs.rtr = 1;
+ hwmb[i].mb_cs |= 1 << MB_CS_RTR_OFFSET;
else
- hwmb[i].mb_cs.cs.rtr = 0;
+ hwmb[i].mb_cs &= ~MB_CS_RTR_MASK;
if (frame->can_id & CAN_EFF_FLAG) {
- hwmb[i].mb_cs.cs.ide = 1;
- hwmb[i].mb_cs.cs.srr = 1;
+ hwmb[i].mb_cs |= 1 << MB_CS_IDE_OFFSET;
+ hwmb[i].mb_cs |= 1 << MB_CS_SRR_OFFSET;
hwmb[i].mb_id = frame->can_id & CAN_EFF_MASK;
} else {
- hwmb[i].mb_cs.cs.ide = 0;
+ hwmb[i].mb_cs &= ~MB_CS_IDE_MASK;
hwmb[i].mb_id = (frame->can_id & CAN_SFF_MASK) << 18;
}
- hwmb[i].mb_cs.cs.length = frame->can_dlc;
+ hwmb[i].mb_cs &= ~MB_CS_LENGTH_MASK;
+ hwmb[i].mb_cs |= frame->can_dlc << MB_CS_LENGTH_OFFSET;
flexcan_memcpy(hwmb[i].mb_data, frame->data, frame->can_dlc);
- hwmb[i].mb_cs.cs.code = CAN_MB_TX_ONCE;
+ hwmb[i].mb_cs &= ~MB_CS_CODE_MASK;
+ hwmb[i].mb_cs |= CAN_MB_TX_ONCE << MB_CS_CODE_OFFSET;
return 0;
}
@@ -325,23 +335,27 @@ void flexcan_mbm_init(struct flexcan_device *flexcan)
id_table[i] = 0;
} else {
for (i = 0; i < rx_mb; i++) {
- hwmb[i].mb_cs.cs.code = CAN_MB_RX_EMPTY;
+ hwmb[i].mb_cs &= ~MB_CS_CODE_MASK;
+ hwmb[i].mb_cs |= CAN_MB_RX_EMPTY << MB_CS_CODE_OFFSET;
/*
* IDE bit can not control by mask registers
* So set message buffer to receive extend
* or standard message.
*/
- if (flexcan->ext_msg && flexcan->std_msg)
- hwmb[i].mb_cs.cs.ide = i & 1;
- else {
+ if (flexcan->ext_msg && flexcan->std_msg) {
+ hwmb[i].mb_cs &= ~MB_CS_IDE_MASK;
+ hwmb[i].mb_cs |= (i & 1) << MB_CS_IDE_OFFSET;
+ } else {
if (flexcan->ext_msg)
- hwmb[i].mb_cs.cs.ide = 1;
+ hwmb[i].mb_cs |= 1 << MB_CS_IDE_OFFSET;
}
}
}
- for (; i <= flexcan->maxmb; i++)
- hwmb[i].mb_cs.cs.code = CAN_MB_TX_INACTIVE;
+ for (; i <= flexcan->maxmb; i++) {
+ hwmb[i].mb_cs &= ~MB_CS_CODE_MASK;
+ hwmb[i].mb_cs |= CAN_MB_TX_INACTIVE << MB_CS_CODE_OFFSET;
+ }
flexcan->xmit_mb = rx_mb;
}
diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c
index 582eb37390ed..8a34f4679fa5 100644
--- a/drivers/net/enc28j60.c
+++ b/drivers/net/enc28j60.c
@@ -30,8 +30,6 @@
#include <linux/delay.h>
#include <linux/spi/spi.h>
-#include <mach/platform.h>
-
#include "enc28j60_hw.h"
#define DRV_NAME "enc28j60"
@@ -53,9 +51,17 @@
#define MAX_TX_RETRYCOUNT 16
#ifdef CONFIG_ARCH_STMP3XXX
+#include <mach/platform.h>
#include <mach/stmp3xxx.h>
#include <mach/regs-ocotp.h>
#endif
+#ifdef CONFIG_ARCH_MXS
+#include <mach/system.h>
+#include <mach/hardware.h>
+#include <mach/regs-ocotp.h>
+#define REGS_OCOTP_BASE IO_ADDRESS(OCOTP_PHYS_ADDR)
+#endif
+
enum {
RXFILTER_NORMAL,
RXFILTER_MULTI,
@@ -104,12 +110,14 @@ static int enc28j60_get_mac(unsigned char *dev_addr, int idx)
return false;
if (!mac[idx]) {
-#ifdef CONFIG_ARCH_STMP3XXX
+#if defined(CONFIG_ARCH_STMP3XXX) || defined(CONFIG_ARCH_MXS)
if (get_evk_board_version() >= 1) {
int mac1 , mac2 , retry = 0;
- stmp3xxx_setl(BM_OCOTP_CTRL_RD_BANK_OPEN, REGS_OCOTP_BASE + HW_OCOTP_CTRL);
- while (__raw_readl(REGS_OCOTP_BASE + HW_OCOTP_CTRL) & BM_OCOTP_CTRL_BUSY) {
+ __raw_writel(BM_OCOTP_CTRL_RD_BANK_OPEN,
+ REGS_OCOTP_BASE + HW_OCOTP_CTRL_SET);
+ while (__raw_readl(REGS_OCOTP_BASE + HW_OCOTP_CTRL) &
+ BM_OCOTP_CTRL_BUSY) {
msleep(10);
retry++;
if (retry > 10)
diff --git a/drivers/net/fec.c b/drivers/net/fec.c
index 46799e092bc1..206be36f0d19 100644
--- a/drivers/net/fec.c
+++ b/drivers/net/fec.c
@@ -296,6 +296,17 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
bufaddr = fep->tx_bounce[index];
}
+ if (fep->ptimer_present) {
+ if (fec_ptp_do_txstamp(skb))
+ estatus = BD_ENET_TX_TS;
+ else
+ estatus = 0;
+#ifdef CONFIG_FEC_1588
+ bdp->cbd_esc = (estatus | BD_ENET_TX_INT);
+ bdp->cbd_bdu = 0;
+#endif
+ }
+
#ifdef CONFIG_ARCH_MXS
swap_buffer(bufaddr, skb->len);
#endif
@@ -318,16 +329,6 @@ fec_enet_start_xmit(struct sk_buff *skb, struct net_device *dev)
| BD_ENET_TX_LAST | BD_ENET_TX_TC);
bdp->cbd_sc = status;
- if (fep->ptimer_present) {
- if (fec_ptp_do_txstamp(skb))
- estatus = BD_ENET_TX_TS;
- else
- estatus = 0;
-#ifdef CONFIG_FEC_1588
- bdp->cbd_esc = (estatus | BD_ENET_TX_INT);
- bdp->cbd_bdu = 0;
-#endif
- }
dev->trans_start = jiffies;
/* Trigger transmission start */
@@ -807,7 +808,7 @@ static struct mii_bus *fec_enet_mii_init(struct platform_device *pdev)
{
struct net_device *dev = platform_get_drvdata(pdev);
struct fec_enet_private *fep = netdev_priv(dev);
- struct fec_enet_platform_data *pdata;
+ struct fec_platform_data *pdata;
int err = -ENXIO, i;
fep->mii_timeout = 0;
@@ -836,6 +837,7 @@ static struct mii_bus *fec_enet_mii_init(struct platform_device *pdev)
fep->mii_bus->priv = fep;
fep->mii_bus->parent = &pdev->dev;
pdata = pdev->dev.platform_data;
+ fep->mii_bus->phy_mask = pdata->phy_mask;
fep->mii_bus->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
if (!fep->mii_bus->irq) {
@@ -1131,17 +1133,18 @@ fec_set_mac_address(struct net_device *dev, void *p)
{
struct fec_enet_private *fep = netdev_priv(dev);
struct sockaddr *addr = p;
+ u32 temp_mac[2];
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
- writel(dev->dev_addr[3] | (dev->dev_addr[2] << 8) |
- (dev->dev_addr[1] << 16) | (dev->dev_addr[0] << 24),
- fep->hwp + FEC_ADDR_LOW);
- writel((dev->dev_addr[5] << 16) | (dev->dev_addr[4] << 24),
- fep + FEC_ADDR_HIGH);
+ memcpy(&temp_mac, dev->dev_addr, ETH_ALEN);
+
+ writel(cpu_to_be32(temp_mac[0]), fep->hwp + FEC_ADDR_LOW);
+ writel(cpu_to_be32(temp_mac[1]), fep->hwp + FEC_ADDR_HIGH);
+
return 0;
}
@@ -1277,6 +1280,7 @@ fec_restart(struct net_device *dev, int duplex)
/* Clear any outstanding interrupt. */
writel(0xffc00000, fep->hwp + FEC_IEVENT);
+#if !defined(CONFIG_MACH_CCMX51JS) && !defined(CONFIG_MACH_CCWMX51JS)
/* Reset all multicast. */
writel(0, fep->hwp + FEC_GRP_HASH_TABLE_HIGH);
writel(0, fep->hwp + FEC_GRP_HASH_TABLE_LOW);
@@ -1284,6 +1288,7 @@ fec_restart(struct net_device *dev, int duplex)
writel(0, fep->hwp + FEC_HASH_TABLE_HIGH);
writel(0, fep->hwp + FEC_HASH_TABLE_LOW);
#endif
+#endif /* !defined(CONFIG_MACH_CCMX51JS) && !defined(CONFIG_MACH_CCWMX51JS) */
#ifndef CONFIG_ARCH_MXS
if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) {
@@ -1407,6 +1412,15 @@ fec_stop(struct net_device *dev)
writel(1, fep->hwp + FEC_ECNTRL);
udelay(10);
+#ifdef CONFIG_ARCH_MXS
+ /* Check MII or RMII */
+ if (fep->phy_interface == PHY_INTERFACE_MODE_RMII)
+ writel(readl(fep->hwp + FEC_R_CNTRL) | 0x100,
+ fep->hwp + FEC_R_CNTRL);
+ else
+ writel(readl(fep->hwp + FEC_R_CNTRL) & ~0x100,
+ fep->hwp + FEC_R_CNTRL);
+#endif
/* Clear outstanding MII command interrupts. */
writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT);
@@ -1482,6 +1496,18 @@ fec_probe(struct platform_device *pdev)
fep->phy_interface = pdata->phy;
if (pdata->init && pdata->init())
goto failed_platform_init;
+
+ /*
+ * The priority for getting MAC address is:
+ * (1) kernel command line fec_mac = xx:xx:xx...
+ * (2) platform data mac field got from fuse etc
+ * (3) bootloader set the FEC mac register
+ */
+
+ if (!is_valid_ether_addr(fec_mac_default) &&
+ pdata->mac && is_valid_ether_addr(pdata->mac))
+ memcpy(fec_mac_default, pdata->mac,
+ sizeof(fec_mac_default));
} else
fep->phy_interface = PHY_INTERFACE_MODE_MII;
@@ -1499,10 +1525,10 @@ fec_probe(struct platform_device *pdev)
fep->mii_bus = fec_mii_bus;
}
- fep->ptp_priv = kmalloc(sizeof(struct fec_ptp_private), GFP_KERNEL);
+ fep->ptp_priv = kzalloc(sizeof(struct fec_ptp_private), GFP_KERNEL);
if (fep->ptp_priv) {
fep->ptp_priv->hwp = fep->hwp;
- ret = fec_ptp_init(fep->ptp_priv);
+ ret = fec_ptp_init(fep->ptp_priv, pdev->id);
if (ret)
printk(KERN_WARNING
"IEEE1588: ptp-timer is unavailable\n");
diff --git a/drivers/net/fec_1588.c b/drivers/net/fec_1588.c
index 5babcc29de78..c4bf278c7f19 100644
--- a/drivers/net/fec_1588.c
+++ b/drivers/net/fec_1588.c
@@ -35,7 +35,7 @@
static DECLARE_WAIT_QUEUE_HEAD(ptp_rx_ts_wait);
#define PTP_GET_RX_TIMEOUT (HZ/10)
-static struct fec_ptp_private *ptp_private;
+static struct fec_ptp_private *ptp_private[2];
/* Alloc the ring resource */
static int fec_ptp_init_circ(struct circ_buf *ptp_buf)
@@ -88,14 +88,15 @@ static int fec_ptp_is_full(struct circ_buf *buf)
}
static int fec_ptp_insert(struct circ_buf *ptp_buf,
- struct fec_ptp_data_t *data)
+ struct fec_ptp_data_t *data,
+ struct fec_ptp_private *priv)
{
struct fec_ptp_data_t *tmp;
if (fec_ptp_is_full(ptp_buf))
return 1;
- spin_lock(&ptp_private->ptp_lock);
+ spin_lock(&priv->ptp_lock);
tmp = (struct fec_ptp_data_t *)(ptp_buf->buf) + ptp_buf->tail;
tmp->key = data->key;
@@ -104,13 +105,15 @@ static int fec_ptp_insert(struct circ_buf *ptp_buf,
ptp_buf->tail = fec_ptp_calc_index(DEFAULT_PTP_RX_BUF_SZ,
ptp_buf->tail, 1);
- spin_unlock(&ptp_private->ptp_lock);
+ spin_unlock(&priv->ptp_lock);
return 0;
}
static int fec_ptp_find_and_remove(struct circ_buf *ptp_buf,
- int key, struct fec_ptp_data_t *data)
+ int key,
+ struct fec_ptp_data_t *data,
+ struct fec_ptp_private *priv)
{
int i;
int size = DEFAULT_PTP_RX_BUF_SZ;
@@ -129,10 +132,10 @@ static int fec_ptp_find_and_remove(struct circ_buf *ptp_buf,
i = fec_ptp_calc_index(size, i, 1);
}
- spin_lock_irqsave(&ptp_private->ptp_lock, flags);
+ spin_lock_irqsave(&priv->ptp_lock, flags);
if (i == end) {
ptp_buf->head = end;
- spin_unlock_irqrestore(&ptp_private->ptp_lock, flags);
+ spin_unlock_irqrestore(&priv->ptp_lock, flags);
return 1;
}
@@ -140,7 +143,7 @@ static int fec_ptp_find_and_remove(struct circ_buf *ptp_buf,
data->ts_time.nsec = tmp->ts_time.nsec;
ptp_buf->head = fec_ptp_calc_index(size, i, 1);
- spin_unlock_irqrestore(&ptp_private->ptp_lock, flags);
+ spin_unlock_irqrestore(&priv->ptp_lock, flags);
return 0;
}
@@ -154,9 +157,9 @@ int fec_ptp_start(struct fec_ptp_private *priv)
writel(FEC_T_CTRL_RESTART, fpp->hwp + FEC_ATIME_CTRL);
writel(FEC_T_INC_40MHZ << FEC_T_INC_OFFSET, fpp->hwp + FEC_ATIME_INC);
writel(FEC_T_PERIOD_ONE_SEC, fpp->hwp + FEC_ATIME_EVT_PERIOD);
- writel(FEC_T_CTRL_PERIOD_RST, fpp->hwp + FEC_ATIME_CTRL);
/* start counter */
- writel(FEC_T_CTRL_ENABLE, fpp->hwp + FEC_ATIME_CTRL);
+ writel(FEC_T_CTRL_PERIOD_RST | FEC_T_CTRL_ENABLE,
+ fpp->hwp + FEC_ATIME_CTRL);
return 0;
}
@@ -175,12 +178,19 @@ void fec_ptp_stop(struct fec_ptp_private *priv)
static void fec_get_curr_cnt(struct fec_ptp_private *priv,
struct ptp_rtc_time *curr_time)
{
+ u32 tempval;
+
+ writel(FEC_T_CTRL_CAPTURE, priv->hwp + FEC_ATIME_CTRL);
writel(FEC_T_CTRL_CAPTURE, priv->hwp + FEC_ATIME_CTRL);
curr_time->rtc_time.nsec = readl(priv->hwp + FEC_ATIME);
curr_time->rtc_time.sec = priv->prtc;
+
writel(FEC_T_CTRL_CAPTURE, priv->hwp + FEC_ATIME_CTRL);
- if (readl(priv->hwp + FEC_ATIME) < curr_time->rtc_time.nsec)
- curr_time->rtc_time.sec++;
+ tempval = readl(priv->hwp + FEC_ATIME);
+ if (tempval < curr_time->rtc_time.nsec) {
+ curr_time->rtc_time.nsec = tempval;
+ curr_time->rtc_time.sec = priv->prtc;
+ }
}
/* Set the 1588 timer counter registers */
@@ -190,12 +200,12 @@ static void fec_set_1588cnt(struct fec_ptp_private *priv,
u32 tempval;
unsigned long flags;
- spin_lock_irqsave(&ptp_private->cnt_lock, flags);
+ spin_lock_irqsave(&priv->cnt_lock, flags);
priv->prtc = fec_time->rtc_time.sec;
tempval = fec_time->rtc_time.nsec;
writel(tempval, priv->hwp + FEC_ATIME);
- spin_unlock_irqrestore(&ptp_private->cnt_lock, flags);
+ spin_unlock_irqrestore(&priv->cnt_lock, flags);
}
/* Set the BD to ptp */
@@ -207,11 +217,11 @@ int fec_ptp_do_txstamp(struct sk_buff *skb)
if (skb->len > 44) {
/* Check if port is 319 for PTP Event, and check for UDP */
iph = ip_hdr(skb);
- if (iph->protocol != FEC_PACKET_TYPE_UDP)
+ if (iph == NULL || iph->protocol != FEC_PACKET_TYPE_UDP)
return 0;
udph = udp_hdr(skb);
- if (udph->source == 319)
+ if (udph != NULL && ntohs(udph->source) == 319)
return 1;
}
@@ -244,24 +254,24 @@ void fec_ptp_store_rxstamp(struct fec_ptp_private *priv,
return;
udph = (struct udphdr *)(skb->data + FEC_PTP_UDP_OFFS);
- if (udph->source != 319)
+ if (ntohs(udph->source) != 319)
return;
seq_id = *((u16 *)(skb->data + FEC_PTP_SEQ_ID_OFFS));
control = *((u8 *)(skb->data + FEC_PTP_CTRL_OFFS));
- tmp_rx_time.key = seq_id;
+ tmp_rx_time.key = ntohs(seq_id);
tmp_rx_time.ts_time.sec = fpp->prtc;
tmp_rx_time.ts_time.nsec = bdp->ts;
switch (control) {
case PTP_MSG_SYNC:
- fec_ptp_insert(&(priv->rx_time_sync), &tmp_rx_time);
+ fec_ptp_insert(&(priv->rx_time_sync), &tmp_rx_time, priv);
break;
case PTP_MSG_DEL_REQ:
- fec_ptp_insert(&(priv->rx_time_del_req), &tmp_rx_time);
+ fec_ptp_insert(&(priv->rx_time_del_req), &tmp_rx_time, priv);
break;
/* clear transportSpecific field*/
@@ -271,11 +281,11 @@ void fec_ptp_store_rxstamp(struct fec_ptp_private *priv,
switch (msg_type) {
case PTP_MSG_P_DEL_REQ:
fec_ptp_insert(&(priv->rx_time_pdel_req),
- &tmp_rx_time);
+ &tmp_rx_time, priv);
break;
case PTP_MSG_P_DEL_RESP:
fec_ptp_insert(&(priv->rx_time_pdel_resp),
- &tmp_rx_time);
+ &tmp_rx_time, priv);
break;
default:
break;
@@ -308,20 +318,20 @@ static uint8_t fec_get_rx_time(struct fec_ptp_private *priv,
switch (mode) {
case PTP_MSG_SYNC:
flag = fec_ptp_find_and_remove(&(priv->rx_time_sync),
- key, &tmp);
+ key, &tmp, priv);
break;
case PTP_MSG_DEL_REQ:
flag = fec_ptp_find_and_remove(&(priv->rx_time_del_req),
- key, &tmp);
+ key, &tmp, priv);
break;
case PTP_MSG_P_DEL_REQ:
flag = fec_ptp_find_and_remove(&(priv->rx_time_pdel_req),
- key, &tmp);
+ key, &tmp, priv);
break;
case PTP_MSG_P_DEL_RESP:
flag = fec_ptp_find_and_remove(&(priv->rx_time_pdel_resp),
- key, &tmp);
+ key, &tmp, priv);
break;
default:
@@ -341,19 +351,19 @@ static uint8_t fec_get_rx_time(struct fec_ptp_private *priv,
switch (mode) {
case PTP_MSG_SYNC:
flag = fec_ptp_find_and_remove(&(priv->rx_time_sync),
- key, &tmp);
+ key, &tmp, priv);
break;
case PTP_MSG_DEL_REQ:
flag = fec_ptp_find_and_remove(
- &(priv->rx_time_del_req), key, &tmp);
+ &(priv->rx_time_del_req), key, &tmp, priv);
break;
case PTP_MSG_P_DEL_REQ:
flag = fec_ptp_find_and_remove(
- &(priv->rx_time_pdel_req), key, &tmp);
+ &(priv->rx_time_pdel_req), key, &tmp, priv);
break;
case PTP_MSG_P_DEL_RESP:
flag = fec_ptp_find_and_remove(
- &(priv->rx_time_pdel_resp), key, &tmp);
+ &(priv->rx_time_pdel_resp), key, &tmp, priv);
break;
}
@@ -367,6 +377,75 @@ static uint8_t fec_get_rx_time(struct fec_ptp_private *priv,
}
}
+static void fec_handle_ptpdrift(struct ptp_set_comp *comp,
+ struct ptp_time_correct *ptc)
+{
+ u32 ndrift;
+ u32 i;
+ u32 tmp, tmp_ns, tmp_prid;
+ u32 min_ns, min_prid, miss_ns;
+
+ ndrift = comp->drift;
+ if (ndrift == 0) {
+ ptc->corr_inc = 0;
+ ptc->corr_period = 0;
+ return;
+ }
+
+ if (ndrift >= FEC_ATIME_40MHZ) {
+ ptc->corr_inc = (u32)(ndrift / FEC_ATIME_40MHZ);
+ ptc->corr_period = 1;
+ return;
+ }
+
+ min_ns = 1;
+ tmp = FEC_ATIME_40MHZ % ndrift;
+ tmp_prid = (u32)(FEC_ATIME_40MHZ / ndrift);
+ min_prid = tmp_prid;
+ miss_ns = tmp / tmp_prid;
+ for (i = 2; i <= FEC_T_INC_40MHZ; i++) {
+ tmp = (FEC_ATIME_40MHZ * i) % ndrift;
+ tmp_prid = (FEC_ATIME_40MHZ * i) / ndrift;
+ tmp_ns = tmp / tmp_prid;
+ if (tmp_ns <= 10) {
+ min_ns = i;
+ min_prid = tmp_prid;
+ break;
+ }
+ if (tmp_ns < miss_ns) {
+ min_ns = i;
+ min_prid = tmp_prid;
+ miss_ns = tmp_ns;
+ }
+ }
+
+ ptc->corr_inc = min_ns;
+ ptc->corr_period = min_prid;
+}
+
+static void fec_set_drift(struct fec_ptp_private *priv,
+ struct ptp_set_comp *comp)
+{
+ struct ptp_time_correct tc;
+ struct fec_ptp_private *fpp = priv;
+ u32 tmp, corr_ns;
+
+ fec_handle_ptpdrift(comp, &tc);
+ if (tc.corr_inc == 0)
+ return;
+
+ if (comp->o_ops == TRUE)
+ corr_ns = FEC_T_INC_40MHZ + tc.corr_inc;
+ else
+ corr_ns = FEC_T_INC_40MHZ - tc.corr_inc;
+
+ tmp = readl(fpp->hwp + FEC_ATIME_INC) & FEC_T_INC_MASK;
+ tmp |= corr_ns << FEC_T_INC_CORR_OFFSET;
+ writel(tmp, fpp->hwp + FEC_ATIME_INC);
+
+ writel(tc.corr_period, fpp->hwp + FEC_ATIME_CORR);
+}
+
static int ptp_open(struct inode *inode, struct file *file)
{
return 0;
@@ -387,10 +466,12 @@ static int ptp_ioctl(
struct ptp_rtc_time curr_time;
struct ptp_time rx_time, tx_time;
struct ptp_ts_data *p_ts;
+ struct ptp_set_comp *p_comp;
struct fec_ptp_private *priv;
+ unsigned int minor = MINOR(inode->i_rdev);
int retval = 0;
- priv = (struct fec_ptp_private *) ptp_private;
+ priv = (struct fec_ptp_private *) ptp_private[minor];
switch (cmd) {
case PTP_GET_RX_TIMESTAMP:
p_ts = (struct ptp_ts_data *)arg;
@@ -428,10 +509,11 @@ static int ptp_ioctl(
priv->rx_time_pdel_resp.tail = 0;
break;
case PTP_SET_COMPENSATION:
- /* TBD */
+ p_comp = (struct ptp_set_comp *)arg;
+ fec_set_drift(priv, p_comp);
break;
case PTP_GET_ORIG_COMP:
- /* TBD */
+ ((struct ptp_get_comp *)arg)->dw_origcomp = FEC_PTP_ORIG_COMP;
break;
default:
return -EINVAL;
@@ -466,7 +548,7 @@ static void ptp_free(void)
/*
* Resource required for accessing 1588 Timer Registers.
*/
-int fec_ptp_init(struct fec_ptp_private *priv)
+int fec_ptp_init(struct fec_ptp_private *priv, int id)
{
fec_ptp_init_circ(&(priv->rx_time_sync));
fec_ptp_init_circ(&(priv->rx_time_del_req));
@@ -475,8 +557,9 @@ int fec_ptp_init(struct fec_ptp_private *priv)
spin_lock_init(&priv->ptp_lock);
spin_lock_init(&priv->cnt_lock);
- ptp_private = priv;
- init_ptp();
+ ptp_private[id] = priv;
+ if (id == 0)
+ init_ptp();
return 0;
}
EXPORT_SYMBOL(fec_ptp_init);
diff --git a/drivers/net/fec_1588.h b/drivers/net/fec_1588.h
index 55b1a8c995bd..800ff310668f 100644
--- a/drivers/net/fec_1588.h
+++ b/drivers/net/fec_1588.h
@@ -24,6 +24,9 @@
#include <linux/circ_buf.h>
+#define FALSE 0
+#define TRUE 1
+
/* FEC 1588 register bits */
#define FEC_T_CTRL_CAPTURE 0x00000800
#define FEC_T_CTRL_RESTART 0x00000200
@@ -32,8 +35,11 @@
#define FEC_T_INC_MASK 0x0000007f
#define FEC_T_INC_OFFSET 0
+#define FEC_T_INC_CORR_MASK 0x00007f00
+#define FEC_T_INC_CORR_OFFSET 8
-#define FEC_T_INC_40MHZ 20
+#define FEC_T_INC_40MHZ 25
+#define FEC_ATIME_40MHZ 40000000
#define FEC_T_PERIOD_ONE_SEC 0x3B9ACA00
@@ -52,7 +58,7 @@
#define PTP_MSG_ALL_OTHER 0x5
#define PTP_GET_TX_TIMESTAMP 0x1
-#define PTP_GET_RX_TIMESTAMP 0x2
+#define PTP_GET_RX_TIMESTAMP 0x9
#define PTP_SET_RTC_TIME 0x3
#define PTP_SET_COMPENSATION 0x4
#define PTP_GET_CURRENT_TIME 0x5
@@ -64,13 +70,15 @@
#define PTP_GET_RX_TIMESTAMP_PDELAY_RESP 0xD
#define FEC_PTP_DOMAIN_DLFT 0xe0000181
-#define FEC_PTP_IP_OFFS 0xE
-#define FEC_PTP_UDP_OFFS 0x22
-#define FEC_PTP_MSG_TYPE_OFFS 0x2A
-#define FEC_PTP_SEQ_ID_OFFS 0x48
-#define FEC_PTP_CTRL_OFFS 0x4A
+#define FEC_PTP_IP_OFFS 0x0
+#define FEC_PTP_UDP_OFFS 0x14
+#define FEC_PTP_MSG_TYPE_OFFS 0x1C
+#define FEC_PTP_SEQ_ID_OFFS 0x3A
+#define FEC_PTP_CTRL_OFFS 0x3C
#define FEC_PACKET_TYPE_UDP 0x11
+#define FEC_PTP_ORIG_COMP 0x15555555
+
/* PTP standard time representation structure */
struct ptp_time{
u64 sec; /* seconds */
@@ -102,6 +110,31 @@ struct ptp_rtc_time {
struct ptp_time rtc_time;
};
+/* interface for PTP driver command SET_COMPENSATION */
+struct ptp_set_comp {
+ u32 drift;
+ bool o_ops;
+};
+
+/* interface for PTP driver command GET_ORIG_COMP */
+struct ptp_get_comp {
+ /* the initial compensation value */
+ u32 dw_origcomp;
+ /* the minimum compensation value */
+ u32 dw_mincomp;
+ /*the max compensation value*/
+ u32 dw_maxcomp;
+ /*the min drift applying min compensation value in ppm*/
+ u32 dw_mindrift;
+ /*the max drift applying max compensation value in ppm*/
+ u32 dw_maxdrift;
+};
+
+struct ptp_time_correct {
+ u32 corr_period;
+ u32 corr_inc;
+};
+
/* PTP message version */
#define PTP_1588_MSG_VER_1 1
#define PTP_1588_MSG_VER_2 2
@@ -124,7 +157,7 @@ struct fec_ptp_private {
};
#ifdef CONFIG_FEC_1588
-extern int fec_ptp_init(struct fec_ptp_private *priv);
+extern int fec_ptp_init(struct fec_ptp_private *priv, int id);
extern void fec_ptp_cleanup(struct fec_ptp_private *priv);
extern int fec_ptp_start(struct fec_ptp_private *priv);
extern void fec_ptp_stop(struct fec_ptp_private *priv);
@@ -134,7 +167,7 @@ extern void fec_ptp_store_rxstamp(struct fec_ptp_private *priv,
struct sk_buff *skb,
struct bufdesc *bdp);
#else
-static inline int fec_ptp_init(struct fec_ptp_private *priv)
+static inline int fec_ptp_init(struct fec_ptp_private *priv, int id)
{
return 1;
}
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index bd4e8d72dc08..e17b70291bbc 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -264,6 +264,8 @@ static int mdio_bus_match(struct device *dev, struct device_driver *drv)
(phydev->phy_id & phydrv->phy_id_mask));
}
+#ifdef CONFIG_PM
+
static bool mdio_bus_phy_may_suspend(struct phy_device *phydev)
{
struct device_driver *drv = phydev->dev.driver;
@@ -295,34 +297,88 @@ static bool mdio_bus_phy_may_suspend(struct phy_device *phydev)
return true;
}
-/* Suspend and resume. Copied from platform_suspend and
- * platform_resume
- */
-static int mdio_bus_suspend(struct device * dev, pm_message_t state)
+static int mdio_bus_suspend(struct device *dev)
{
struct phy_driver *phydrv = to_phy_driver(dev->driver);
struct phy_device *phydev = to_phy_device(dev);
+ /*
+ * We must stop the state machine manually, otherwise it stops out of
+ * control, possibly with the phydev->lock held. Upon resume, netdev
+ * may call phy routines that try to grab the same lock, and that may
+ * lead to a deadlock.
+ */
+ if (phydev->attached_dev)
+ phy_stop_machine(phydev);
+
if (!mdio_bus_phy_may_suspend(phydev))
return 0;
+
return phydrv->suspend(phydev);
}
-static int mdio_bus_resume(struct device * dev)
+static int mdio_bus_resume(struct device *dev)
{
struct phy_driver *phydrv = to_phy_driver(dev->driver);
struct phy_device *phydev = to_phy_device(dev);
+ int ret;
if (!mdio_bus_phy_may_suspend(phydev))
+ goto no_resume;
+
+ ret = phydrv->resume(phydev);
+ if (ret < 0)
+ return ret;
+
+no_resume:
+ if (phydev->attached_dev)
+ phy_start_machine(phydev, NULL);
+
+ return 0;
+}
+
+static int mdio_bus_restore(struct device *dev)
+{
+ struct phy_device *phydev = to_phy_device(dev);
+ struct net_device *netdev = phydev->attached_dev;
+ int ret;
+
+ if (!netdev)
return 0;
- return phydrv->resume(phydev);
+
+ ret = phy_init_hw(phydev);
+ if (ret < 0)
+ return ret;
+
+ /* The PHY needs to renegotiate. */
+ phydev->link = 0;
+ phydev->state = PHY_UP;
+
+ phy_start_machine(phydev, NULL);
+
+ return 0;
}
+static struct dev_pm_ops mdio_bus_pm_ops = {
+ .suspend = mdio_bus_suspend,
+ .resume = mdio_bus_resume,
+ .freeze = mdio_bus_suspend,
+ .thaw = mdio_bus_resume,
+ .restore = mdio_bus_restore,
+};
+
+#define MDIO_BUS_PM_OPS (&mdio_bus_pm_ops)
+
+#else
+
+#define MDIO_BUS_PM_OPS NULL
+
+#endif /* CONFIG_PM */
+
struct bus_type mdio_bus_type = {
.name = "mdio_bus",
.match = mdio_bus_match,
- .suspend = mdio_bus_suspend,
- .resume = mdio_bus_resume,
+ .pm = MDIO_BUS_PM_OPS,
};
EXPORT_SYMBOL(mdio_bus_type);
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index eda94fcd4065..d2df6382e123 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -413,7 +413,6 @@ EXPORT_SYMBOL(phy_start_aneg);
static void phy_change(struct work_struct *work);
-static void phy_state_machine(struct work_struct *work);
/**
* phy_start_machine - start PHY state machine tracking
@@ -433,7 +432,6 @@ void phy_start_machine(struct phy_device *phydev,
{
phydev->adjust_state = handler;
- INIT_DELAYED_WORK(&phydev->state_queue, phy_state_machine);
schedule_delayed_work(&phydev->state_queue, HZ);
}
@@ -764,7 +762,7 @@ EXPORT_SYMBOL(phy_start);
* phy_state_machine - Handle the state machine
* @work: work_struct that describes the work to be done
*/
-static void phy_state_machine(struct work_struct *work)
+void phy_state_machine(struct work_struct *work)
{
struct delayed_work *dwork = to_delayed_work(work);
struct phy_device *phydev =
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index b10fedd82143..adbc0fded130 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -177,6 +177,7 @@ struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id)
dev->state = PHY_DOWN;
mutex_init(&dev->lock);
+ INIT_DELAYED_WORK(&dev->state_queue, phy_state_machine);
return dev;
}
@@ -378,6 +379,20 @@ void phy_disconnect(struct phy_device *phydev)
}
EXPORT_SYMBOL(phy_disconnect);
+int phy_init_hw(struct phy_device *phydev)
+{
+ int ret;
+
+ if (!phydev->drv || !phydev->drv->config_init)
+ return 0;
+
+ ret = phy_scan_fixups(phydev);
+ if (ret < 0)
+ return ret;
+
+ return phydev->drv->config_init(phydev);
+}
+
/**
* phy_attach_direct - attach a network device to a given PHY device pointer
* @dev: network device to attach
@@ -425,21 +440,7 @@ int phy_attach_direct(struct net_device *dev, struct phy_device *phydev,
/* Do initial configuration here, now that
* we have certain key parameters
* (dev_flags and interface) */
- if (phydev->drv->config_init) {
- int err;
-
- err = phy_scan_fixups(phydev);
-
- if (err < 0)
- return err;
-
- err = phydev->drv->config_init(phydev);
-
- if (err < 0)
- return err;
- }
-
- return 0;
+ return phy_init_hw(phydev);
}
EXPORT_SYMBOL(phy_attach_direct);
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index d4c82f5fa555..a13d107a412b 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -789,6 +789,7 @@ static void smsc911x_phy_adjust_link(struct net_device *dev)
}
pdata->last_carrier = carrier;
}
+ udelay(10);
}
static int smsc911x_mii_probe(struct net_device *dev)
@@ -1011,7 +1012,7 @@ static int smsc911x_poll(struct napi_struct *napi, int budget)
struct net_device *dev = pdata->dev;
int npackets = 0;
- while (likely(netif_running(dev)) && (npackets < budget)) {
+ while (npackets < budget) {
unsigned int pktlength;
unsigned int pktwords;
struct sk_buff *skb;
@@ -1584,7 +1585,7 @@ static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id)
if (unlikely(intsts & inten & INT_STS_PHY_INT_)) {
smsc911x_reg_write( pdata, INT_STS , INT_STS_PHY_INT_);
temp = smsc911x_mii_read(phy_dev->bus, phy_dev->addr, MII_INTSTS);
- SMSC_TRACE("PHY interrupt, sts 0x%04X", (u16)temp);
+ SMSC_TRACE(DRV,"PHY interrupt, sts 0x%04X", (u16)temp);
smsc911x_phy_adjust_link(dev);
serviced = IRQ_HANDLED;
}
diff --git a/drivers/net/wireless/ath6kl/os/linux/ar6000_android.c b/drivers/net/wireless/ath6kl/os/linux/ar6000_android.c
index 1ca77e513493..9d0c3773d4d7 100644
--- a/drivers/net/wireless/ath6kl/os/linux/ar6000_android.c
+++ b/drivers/net/wireless/ath6kl/os/linux/ar6000_android.c
@@ -56,7 +56,7 @@ ATH_DEBUG_INSTANTIATE_MODULE_VAR(android,
#endif
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-char fwpath[256] = "/system/wifi";
+char fwpath[256] = "/lib/firmware/ath6k/AR6102";
#endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) */
int buspm = WLAN_PWR_CTRL_CUT_PWR;
int wow2mode = WLAN_PWR_CTRL_CUT_PWR;
diff --git a/drivers/power/mxs/Makefile b/drivers/power/mxs/Makefile
index 6662defd9c70..c7675a9ec52b 100644
--- a/drivers/power/mxs/Makefile
+++ b/drivers/power/mxs/Makefile
@@ -5,5 +5,5 @@
obj-$(CONFIG_BATTERY_MXS) += mxs-battery.o
mxs-battery-objs := ddi_bc_api.o ddi_bc_hw.o ddi_bc_init.o \
- ddi_bc_ramp.o ddi_bc_sm.o ddi_power_battery.o linux.o
+ ddi_bc_ramp.o ddi_bc_sm.o ddi_power_battery.o linux.o fiq.o
diff --git a/drivers/power/mxs/ddi_bc_internal.h b/drivers/power/mxs/ddi_bc_internal.h
index a8510d08935c..b5bceeffae98 100644
--- a/drivers/power/mxs/ddi_bc_internal.h
+++ b/drivers/power/mxs/ddi_bc_internal.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2010 Freescale Semiconductor, Inc.
*/
/*
@@ -41,6 +41,7 @@
/* Externs */
+#include <linux/kernel.h>
extern bool g_ddi_bc_Configured;
extern ddi_bc_Cfg_t g_ddi_bc_Configuration;
diff --git a/drivers/power/mxs/ddi_power_battery.c b/drivers/power/mxs/ddi_power_battery.c
index 6e2119af1676..762f29bd784e 100644
--- a/drivers/power/mxs/ddi_power_battery.c
+++ b/drivers/power/mxs/ddi_power_battery.c
@@ -1805,9 +1805,11 @@ void ddi_power_enable_vddio_interrupt(bool enable)
}
+
void ddi_power_handle_vddio_brnout(void)
{
- if (ddi_power_GetPmu5vStatus() == new_5v_connection) {
+ if (ddi_power_GetPmu5vStatus() == new_5v_connection ||
+ (ddi_power_GetPmu5vStatus() == new_5v_disconnection)) {
ddi_power_enable_vddio_interrupt(false);
} else {
#ifdef DEBUG_IRQS
diff --git a/drivers/power/mxs/fiq.S b/drivers/power/mxs/fiq.S
index ee71730c85c9..1ad380d07efd 100644
--- a/drivers/power/mxs/fiq.S
+++ b/drivers/power/mxs/fiq.S
@@ -19,11 +19,10 @@
#include <linux/linkage.h>
#include <asm/assembler.h>
-#include <mach/platform.h>
#include <mach/hardware.h>
#include <asm/pgtable-hwdef.h>
#include <mach/regs-power.h>
-#include <mach/regs-clkctrl.h>
+#include <mach/../../regs-clkctrl.h>
#include <mach/regs-timrot.h>
.align 5
@@ -33,7 +32,6 @@
.globl lock_vector_tlb
power_fiq_start:
-
ldr r8,power_reg
ldr r9,[r8,#HW_POWER_CTRL ]
ldr r10,power_off
@@ -101,7 +99,7 @@ check_dcdc4p2:
subs pc,lr, #4
power_reg:
- .long REGS_POWER_BASE
+ .long IO_ADDRESS(POWER_PHYS_ADDR)
power_off:
.long 0x3e770001
power_bo:
diff --git a/drivers/power/mxs/linux.c b/drivers/power/mxs/linux.c
index 6a3172415145..1c2dfc10f7ca 100644
--- a/drivers/power/mxs/linux.c
+++ b/drivers/power/mxs/linux.c
@@ -102,7 +102,7 @@ struct mxs_info {
#define IRQ_DCDC4P2_BRNOUT IRQ_DCDC4P2_BO
#endif
-/* #define POWER_FIQ */
+#define POWER_FIQ
/* #define DEBUG_IRQS */
@@ -129,9 +129,7 @@ void init_protection(struct mxs_info *info)
battery_voltage = ddi_power_GetBattery();
/* InitializeFiqSystem(); */
-#ifdef CONFIG_ARCH_MX23
ddi_power_InitOutputBrownouts();
-#endif
/* if we start the kernel with 4p2 already started
@@ -238,12 +236,12 @@ static void check_and_handle_5v_connection(struct mxs_info *info)
*/
if ((__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL)
& BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT) ==
- (0x8 << BP_POWER_5VCTRL_CHARGE_4P2_ILIMIT)) {
+ (0x20 << BP_POWER_5VCTRL_CHARGE_4P2_ILIMIT)) {
dev_info(info->dev, "waiting USB enum done...\r\n");
}
while ((__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL)
& BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT)
- == (0x8 << BP_POWER_5VCTRL_CHARGE_4P2_ILIMIT)) {
+ == (0x20 << BP_POWER_5VCTRL_CHARGE_4P2_ILIMIT)) {
msleep(50);
}
#endif
@@ -299,7 +297,7 @@ static void check_and_handle_5v_connection(struct mxs_info *info)
__raw_writel(__raw_readl(REGS_POWER_BASE +
HW_POWER_5VCTRL) &
(~BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT)
- | (0x8 << BP_POWER_5VCTRL_CHARGE_4P2_ILIMIT),
+ | (0x20 << BP_POWER_5VCTRL_CHARGE_4P2_ILIMIT),
REGS_POWER_BASE + HW_POWER_5VCTRL);
}
@@ -659,6 +657,8 @@ static irqreturn_t mxs_irq_batt_brnout(int irq, void *cookie)
#endif
return IRQ_HANDLED;
}
+
+
static irqreturn_t mxs_irq_vddd_brnout(int irq, void *cookie)
{
#ifdef DEBUG_IRQS
@@ -1144,13 +1144,13 @@ static int __init mxs_bat_init(void)
#ifdef CONFIG_MXS_VBUS_CURRENT_DRAW
if (((__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL) &
- BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT) == 0x8000)
+ BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT) == 0x20000)
&& ((__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL) &
BM_POWER_5VCTRL_PWD_CHARGE_4P2) == 0)) {
#ifdef CONFIG_USB_GADGET
printk(KERN_INFO "USB GADGET exist,wait USB enum done...\r\n");
while (((__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL)
- & BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT) == 0x8000) &&
+ & BM_POWER_5VCTRL_CHARGE_4P2_ILIMIT) == 0x20000) &&
((__raw_readl(REGS_POWER_BASE + HW_POWER_5VCTRL) &
BM_POWER_5VCTRL_PWD_CHARGE_4P2) == 0))
;
@@ -1161,8 +1161,7 @@ static int __init mxs_bat_init(void)
}
cpu = clk_get(NULL, "cpu");
pll0 = clk_get(NULL, "ref_cpu");
- if (cpu->set_parent)
- cpu->set_parent(cpu, pll0);
+ clk_set_parent(cpu, pll0);
#endif
return platform_driver_register(&mxs_batdrv);
}
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index fd3183e30a1c..804c32cabb50 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -153,4 +153,9 @@ config REGULATOR_MC9S08DZ60
depends on MXC_PMIC_MC9S08DZ60
default y
+config REGULATOR_MAX17135
+ tristate "Maxim MAX17135 Regulator Support"
+ depends on REGULATOR
+ default n
+
endif
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index a10178d99acc..d88116ba8139 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -15,6 +15,7 @@ obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
+obj-$(CONFIG_REGULATOR_MAX17135) += max17135-regulator.o
obj-$(CONFIG_REGULATOR_MC13892) += reg-mc13892.o
obj-$(CONFIG_REGULATOR_MC13783) += reg-mc13783.o
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 09492700cddf..bd320c1ab70c 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -109,6 +109,16 @@ config RTC_INTF_DEV_UIE_EMUL
clock several times per second, please enable this option
only if you know that you really need it.
+config RTC_INTF_ALARM
+ bool "Android alarm driver"
+ depends on RTC_CLASS
+ default y
+ help
+ Provides non-wakeup and rtc backed wakeup alarms based on rtc or
+ elapsed realtime, and a non-wakeup alarm on the monotonic clock.
+ Also provides an ioctl to set the wall time which must be used
+ for elapsed realtime to work.
+
config RTC_DRV_TEST
tristate "Test driver/device"
help
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index 91da97eca589..c8df86258348 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_RTC_HCTOSYS) += hctosys.o
obj-$(CONFIG_RTC_CLASS) += rtc-core.o
rtc-core-y := class.o interface.o
+rtc-core-$(CONFIG_RTC_INTF_ALARM) += alarm.o
rtc-core-$(CONFIG_RTC_INTF_DEV) += rtc-dev.o
rtc-core-$(CONFIG_RTC_INTF_PROC) += rtc-proc.o
rtc-core-$(CONFIG_RTC_INTF_SYSFS) += rtc-sysfs.o
diff --git a/drivers/rtc/rtc-mxc_v2.c b/drivers/rtc/rtc-mxc_v2.c
index 5d410fd9d5d2..beb31415a4da 100644
--- a/drivers/rtc/rtc-mxc_v2.c
+++ b/drivers/rtc/rtc-mxc_v2.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2004-2010 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -37,6 +37,10 @@
#include <linux/uaccess.h>
#include <mach/hardware.h>
#include <asm/io.h>
+#include <linux/mxc_srtc.h>
+
+
+#define SRTC_LPSCLR_LLPSC_LSH 17 /* start bit for LSB time value */
#define SRTC_LPPDR_INIT 0x41736166 /* init for glitch detect */
@@ -147,6 +151,12 @@ struct rtc_drv_data {
bool irq_enable;
};
+
+/* completion event for implementing RTC_WAIT_FOR_TIME_SET ioctl */
+DECLARE_COMPLETION(srtc_completion);
+/* global to save difference of 47-bit counter value */
+static int64_t time_diff;
+
/*!
* @defgroup RTC Real Time Clock (RTC) Driver
*/
@@ -313,6 +323,8 @@ static int mxc_rtc_ioctl(struct device *dev, unsigned int cmd,
void __iomem *ioaddr = pdata->ioaddr;
unsigned long lock_flags = 0;
u32 lp_cr;
+ u64 time_47bit;
+ int retVal;
switch (cmd) {
case RTC_AIE_OFF:
@@ -339,6 +351,36 @@ static int mxc_rtc_ioctl(struct device *dev, unsigned int cmd,
__raw_writel(lp_cr, ioaddr + SRTC_LPCR);
spin_unlock_irqrestore(&rtc_lock, lock_flags);
return 0;
+
+ case RTC_READ_TIME_47BIT:
+ time_47bit = (((u64) __raw_readl(ioaddr + SRTC_LPSCMR)) << 32 |
+ ((u64) __raw_readl(ioaddr + SRTC_LPSCLR)));
+ time_47bit >>= SRTC_LPSCLR_LLPSC_LSH;
+
+ if (arg && copy_to_user((u64 *) arg, &time_47bit, sizeof(u64)))
+ return -EFAULT;
+
+ return 0;
+
+ case RTC_WAIT_TIME_SET:
+
+ /* don't block without releasing mutex first */
+ mutex_unlock(&pdata->rtc->ops_lock);
+
+ /* sleep until awakened by SRTC driver when LPSCMR is changed */
+ wait_for_completion(&srtc_completion);
+
+ /* relock mutex because rtc_dev_ioctl will unlock again */
+ retVal = mutex_lock_interruptible(&pdata->rtc->ops_lock);
+
+ /* copy the new time difference = new time - previous time
+ * to the user param. The difference is a signed value */
+ if (arg && copy_to_user((int64_t *) arg, &time_diff,
+ sizeof(int64_t)))
+ return -EFAULT;
+
+ return retVal;
+
}
return -ENOIOCTLCMD;
@@ -372,14 +414,31 @@ static int mxc_rtc_set_time(struct device *dev, struct rtc_time *tm)
struct rtc_drv_data *pdata = dev_get_drvdata(dev);
void __iomem *ioaddr = pdata->ioaddr;
unsigned long time;
+ u64 old_time_47bit, new_time_47bit;
int ret;
ret = rtc_tm_to_time(tm, &time);
if (ret != 0)
return ret;
+ old_time_47bit = (((u64) __raw_readl(ioaddr + SRTC_LPSCMR)) << 32 |
+ ((u64) __raw_readl(ioaddr + SRTC_LPSCLR)));
+ old_time_47bit >>= SRTC_LPSCLR_LLPSC_LSH;
+
__raw_writel(time, ioaddr + SRTC_LPSCMR);
rtc_write_sync_lp(ioaddr);
+ new_time_47bit = (((u64) __raw_readl(ioaddr + SRTC_LPSCMR)) << 32 |
+ ((u64) __raw_readl(ioaddr + SRTC_LPSCLR)));
+ new_time_47bit >>= SRTC_LPSCLR_LLPSC_LSH;
+
+ /* update the difference between previous time and new time */
+ time_diff = new_time_47bit - old_time_47bit;
+
+ /* signal all waiting threads that time changed */
+ complete_all(&srtc_completion);
+ /* reinitialize completion variable */
+ INIT_COMPLETION(srtc_completion);
+
return 0;
}
@@ -549,41 +608,30 @@ static int mxc_rtc_probe(struct platform_device *pdev)
/* clear lp interrupt status */
__raw_writel(0xFFFFFFFF, ioaddr + SRTC_LPSR);
- udelay(100);;
+ udelay(100);
plat_data = (struct mxc_srtc_platform_data *)pdev->dev.platform_data;
- clk = clk_get(NULL, "iim_clk");
- clk_enable(clk);
- srtc_secmode_addr = ioremap(plat_data->srtc_sec_mode_addr, 1);
-
- /* Check SRTC security mode */
- if (((__raw_readl(srtc_secmode_addr) & SRTC_SECMODE_MASK) ==
- SRTC_SECMODE_LOW) && (cpu_is_mx51_rev(CHIP_REV_1_0) == 1)) {
- /* Workaround for MX51 TO1 due to inaccurate CKIL clock */
- __raw_writel(SRTC_LPCR_EN_LP, ioaddr + SRTC_LPCR);
- udelay(100);
- } else {
- /* move out of init state */
- __raw_writel((SRTC_LPCR_IE | SRTC_LPCR_NSA),
- ioaddr + SRTC_LPCR);
- udelay(100);
+ /* move out of init state */
+ __raw_writel((SRTC_LPCR_IE | SRTC_LPCR_NSA),
+ ioaddr + SRTC_LPCR);
- while ((__raw_readl(ioaddr + SRTC_LPSR) & SRTC_LPSR_IES) == 0);
+ udelay(100);
- /* move out of non-valid state */
- __raw_writel((SRTC_LPCR_IE | SRTC_LPCR_NVE | SRTC_LPCR_NSA |
- SRTC_LPCR_EN_LP), ioaddr + SRTC_LPCR);
+ while ((__raw_readl(ioaddr + SRTC_LPSR) & SRTC_LPSR_IES) == 0)
+ ;
- udelay(100);
+ /* move out of non-valid state */
+ __raw_writel((SRTC_LPCR_IE | SRTC_LPCR_NVE | SRTC_LPCR_NSA |
+ SRTC_LPCR_EN_LP), ioaddr + SRTC_LPCR);
- while ((__raw_readl(ioaddr + SRTC_LPSR) & SRTC_LPSR_NVES) == 0);
+ udelay(100);
- __raw_writel(0xFFFFFFFF, ioaddr + SRTC_LPSR);
- udelay(100);
- }
- clk_disable(clk);
- clk_put(clk);
+ while ((__raw_readl(ioaddr + SRTC_LPSR) & SRTC_LPSR_NVES) == 0)
+ ;
+
+ __raw_writel(0xFFFFFFFF, ioaddr + SRTC_LPSR);
+ udelay(100);
rtc = rtc_device_register(pdev->name, &pdev->dev,
&mxc_rtc_ops, THIS_MODULE);
diff --git a/drivers/rtc/rtc-mxs.c b/drivers/rtc/rtc-mxs.c
index 0e2b0e1e14f6..bb4c33b1a0ba 100644
--- a/drivers/rtc/rtc-mxs.c
+++ b/drivers/rtc/rtc-mxs.c
@@ -254,6 +254,8 @@ static int mxs_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc_data);
+ device_init_wakeup(&pdev->dev, 1);
+
return 0;
}
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 869337a7fd68..b41db4d22436 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -373,6 +373,24 @@ config SERIAL_MXS_AUART
help
Driver for Freescale i.MXS internal application serial port
+config SERIAL_MXS_AUART_CONSOLE
+ bool "Support for console on i.MXS application serial port"
+ depends on SERIAL_MXS_AUART=y
+ select SERIAL_CORE_CONSOLE
+ ---help---
+ Say Y here if you wish to use the i.MXS app serial port as the
+ system console (the system console is the device which receives all
+ kernel messages and warnings and which allows logins in single user
+ mode).
+
+ Even if you say Y here, the currently visible framebuffer console
+ (/dev/tty0) will still be used as the system console by default, but
+ you can alter that using a kernel command line option such as
+ "console=ttySP1". (Try "man bootparam" or see the documentation of
+ your boot loader (lilo or loadlin) about how to pass options to the
+ kernel at boot time.)
+
+
config SERIAL_MXS_DUART_CONSOLE
bool "Support for console on i.MXS debug serial port"
depends on SERIAL_MXS_DUART=y
diff --git a/drivers/serial/mxs-auart.c b/drivers/serial/mxs-auart.c
index 0eea46d71979..63d7d9128efc 100644
--- a/drivers/serial/mxs-auart.c
+++ b/drivers/serial/mxs-auart.c
@@ -19,6 +19,7 @@
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/init.h>
+#include <linux/console.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/slab.h>
@@ -47,6 +48,8 @@
#define MXS_AUART_MAJOR 242
#define MXS_AUART_RX_THRESHOLD 16
+static struct uart_driver auart_driver;
+
struct mxs_auart_port {
struct uart_port port;
@@ -514,7 +517,7 @@ static void mxs_auart_settermios(struct uart_port *u,
/* parity */
if (cflag & PARENB) {
- ctrl |= BM_UARTAPP_LINECTRL_PEN | BM_UARTAPP_LINECTRL_SPS;
+ ctrl |= BM_UARTAPP_LINECTRL_PEN;
if ((cflag & PARODD) == 0)
ctrl |= BM_UARTAPP_LINECTRL_EPS;
}
@@ -565,9 +568,33 @@ static irqreturn_t mxs_auart_irq_handle(int irq, void *context)
mxs_auart_tx_chars(s);
istat &= ~BM_UARTAPP_INTR_TXIS;
}
- if (istat & 0xFFFF)
+ /* modem status interrupt bits are undefined
+ after reset,and the hardware do not support
+ DSRMIS,DCDMIS and RIMIS bit,so we should ingore
+ them when they are pending. */
+ if (istat & (BM_UARTAPP_INTR_ABDIS
+ | BM_UARTAPP_INTR_OEIS
+ | BM_UARTAPP_INTR_BEIS
+ | BM_UARTAPP_INTR_PEIS
+ | BM_UARTAPP_INTR_FEIS
+ | BM_UARTAPP_INTR_RTIS
+ | BM_UARTAPP_INTR_TXIS
+ | BM_UARTAPP_INTR_RXIS
+ | BM_UARTAPP_INTR_CTSMIS)) {
dev_info(s->dev, "Unhandled status %x\n", istat);
- __raw_writel(istatus & 0xFFFF,
+ }
+ __raw_writel(istatus & (BM_UARTAPP_INTR_ABDIS
+ | BM_UARTAPP_INTR_OEIS
+ | BM_UARTAPP_INTR_BEIS
+ | BM_UARTAPP_INTR_PEIS
+ | BM_UARTAPP_INTR_FEIS
+ | BM_UARTAPP_INTR_RTIS
+ | BM_UARTAPP_INTR_TXIS
+ | BM_UARTAPP_INTR_RXIS
+ | BM_UARTAPP_INTR_DSRMIS
+ | BM_UARTAPP_INTR_DCDMIS
+ | BM_UARTAPP_INTR_CTSMIS
+ | BM_UARTAPP_INTR_RIMIS),
s->port.membase + HW_UARTAPP_INTR_CLR);
return IRQ_HANDLED;
@@ -761,7 +788,160 @@ static struct uart_ops mxs_auart_ops = {
.config_port = mxs_auart_config_port,
.verify_port = mxs_auart_verify_port,
};
+#ifdef CONFIG_SERIAL_MXS_AUART_CONSOLE
+static struct mxs_auart_port auart_port[CONFIG_MXS_AUART_PORTS] = {};
+
+static void
+auart_console_write(struct console *co, const char *s, unsigned int count)
+{
+ struct uart_port *port;
+ unsigned int status, old_cr;
+ int i;
+
+ if (co->index > CONFIG_MXS_AUART_PORTS || co->index < 0)
+ return;
+
+ port = &auart_port[co->index].port;
+
+ /* First save the CR then disable the interrupts */
+ old_cr = __raw_readl(port->membase + HW_UARTAPP_CTRL2);
+ __raw_writel(BM_UARTAPP_CTRL2_UARTEN | BM_UARTAPP_CTRL2_TXE,
+ port->membase + HW_UARTAPP_CTRL2_SET);
+
+ /* Now, do each character */
+ for (i = 0; i < count; i++) {
+ do {
+ status = __raw_readl(port->membase + HW_UARTAPP_STAT);
+ } while (status & BM_UARTAPP_STAT_TXFF);
+
+ __raw_writel(s[i], port->membase + HW_UARTAPP_DATA);
+ if (s[i] == '\n') {
+ do {
+ status = __raw_readl(port->membase +
+ HW_UARTAPP_STAT);
+ } while (status & BM_UARTAPP_STAT_TXFF);
+ __raw_writel('\r', port->membase + HW_UARTAPP_DATA);
+ }
+ }
+
+ /*
+ * Finally, wait for transmitter to become empty
+ * and restore the TCR
+ */
+ do {
+ status = __raw_readl(port->membase + HW_UARTAPP_STAT);
+ } while (status & BM_UARTAPP_STAT_BUSY);
+ __raw_writel(old_cr, port->membase + HW_UARTAPP_CTRL2);
+}
+
+static void __init
+auart_console_get_options(struct uart_port *port, int *baud,
+ int *parity, int *bits)
+{
+ if (__raw_readl(port->membase + HW_UARTAPP_CTRL2)
+ & BM_UARTAPP_CTRL2_UARTEN) {
+ unsigned int lcr_h, quot;
+ lcr_h = __raw_readl(port->membase + HW_UARTAPP_LINECTRL);
+
+ *parity = 'n';
+ if (lcr_h & BM_UARTAPP_LINECTRL_PEN) {
+ if (lcr_h & BM_UARTAPP_LINECTRL_EPS)
+ *parity = 'e';
+ else
+ *parity = 'o';
+ }
+
+ if ((lcr_h & BM_UARTAPP_LINECTRL_WLEN)
+ == BF_UARTAPP_LINECTRL_WLEN(2))
+ *bits = 7;
+ else
+ *bits = 8;
+
+ quot = (((__raw_readl(port->membase + HW_UARTAPP_LINECTRL)
+ & BM_UARTAPP_LINECTRL_BAUD_DIVINT))
+ >> (BP_UARTAPP_LINECTRL_BAUD_DIVINT - 6))
+ | (((__raw_readl(port->membase + HW_UARTAPP_LINECTRL)
+ & BM_UARTAPP_LINECTRL_BAUD_DIVFRAC))
+ >> BP_UARTAPP_LINECTRL_BAUD_DIVFRAC);
+ if (quot == 0)
+ quot = 1;
+ *baud = (port->uartclk << 2) / quot;
+ }
+}
+
+static int __init auart_console_setup(struct console *co, char *options)
+{
+ struct mxs_auart_port *port;
+ int baud = 115200;
+ int bits = 8;
+ int parity = 'n';
+ int flow = 'n';
+ /*
+ * Check whether an invalid uart number has been specified, and
+ * if so, search for the first available port that does have
+ * console support.
+ */
+ if (co->index > CONFIG_MXS_AUART_PORTS || co->index < 0)
+ return -EINVAL;
+
+ port = &auart_port[co->index].port;
+
+ if (port->port.membase == 0) {
+ if (cpu_is_mx23()) {
+ if (co->index == 1) {
+ port->port.membase = IO_ADDRESS(0x8006C000);
+ port->port.mapbase = 0x8006C000;
+ } else {
+ port->port.membase = IO_ADDRESS(0x8006E000);
+ port->port.mapbase = 0x8006E000;
+ }
+ }
+
+ port->port.fifosize = 16;
+ port->port.ops = &mxs_auart_ops;
+ port->port.flags = ASYNC_BOOT_AUTOCONF;
+ port->port.line = 0;
+ }
+ mxs_auart_reset(port);
+
+ __raw_writel(BM_UARTAPP_CTRL2_UARTEN,
+ port->port.membase + HW_UARTAPP_CTRL2_SET);
+
+ if (port->clk == NULL || IS_ERR(port->clk)) {
+ port->clk = clk_get(NULL, "uart");
+ if (port->clk == NULL || IS_ERR(port->clk))
+ return -ENODEV;
+ port->port.uartclk = clk_get_rate(port->clk);
+ }
+
+ if (options)
+ uart_parse_options(options, &baud, &parity, &bits, &flow);
+ else
+ auart_console_get_options(port, &baud, &parity, &bits);
+ return uart_set_options(port, co, baud, parity, bits, flow);
+}
+
+static struct console auart_console = {
+ .name = "ttySP",
+ .write = auart_console_write,
+ .device = uart_console_device,
+ .setup = auart_console_setup,
+ .flags = CON_PRINTBUFFER,
+ .index = -1,
+ .data = &auart_driver,
+};
+#ifdef CONFIG_MXS_EARLY_CONSOLE
+static int __init auart_console_init(void)
+{
+ register_console(&auart_console);
+ return 0;
+}
+
+console_initcall(auart_console_init);
+#endif
+
+#endif
static struct uart_driver auart_driver = {
.owner = THIS_MODULE,
.driver_name = "auart",
@@ -769,6 +949,9 @@ static struct uart_driver auart_driver = {
.major = MXS_AUART_MAJOR,
.minor = 0,
.nr = CONFIG_MXS_AUART_PORTS,
+#ifdef CONFIG_SERIAL_MXS_AUART_CONSOLE
+ .cons = &auart_console,
+#endif
};
static int __devinit mxs_auart_probe(struct platform_device *pdev)
@@ -849,6 +1032,10 @@ static int __devinit mxs_auart_probe(struct platform_device *pdev)
device_init_wakeup(&pdev->dev, 1);
+#ifdef CONFIG_SERIAL_MXS_AUART_CONSOLE
+ memcpy(&auart_port[pdev->id], s, sizeof(struct mxs_auart_port));
+#endif
+
ret = uart_add_one_port(&auart_driver, &s->port);
if (ret)
goto out_free_clk;
diff --git a/drivers/serial/mxs-duart.c b/drivers/serial/mxs-duart.c
index 5d006f380930..171b8628faee 100644
--- a/drivers/serial/mxs-duart.c
+++ b/drivers/serial/mxs-duart.c
@@ -735,9 +735,40 @@ static int __devexit duart_remove(struct platform_device *pdev)
return 0;
}
+#ifdef CONFIG_PM
+static int duart_suspend(struct platform_device *pdev,
+ pm_message_t state)
+{
+ int ret = 0;
+ if (!duart_port.suspended) {
+ ret = uart_suspend_port(&duart_drv, &duart_port.port);
+ if (!ret)
+ duart_port.suspended = 1;
+ }
+ return ret;
+}
+
+static int duart_resume(struct platform_device *pdev,
+ pm_message_t state)
+{
+ int ret = 0;
+ if (duart_port.suspended) {
+ ret = uart_resume_port(&duart_drv, &duart_port.port);
+ if (!ret)
+ duart_port.suspended = 0;
+ }
+ return ret;
+}
+#else
+#define duart_suspend NULL
+#define duart_resume NULL
+#endif
+
static struct platform_driver duart_driver = {
.probe = duart_probe,
.remove = __devexit_p(duart_remove),
+ .suspend = duart_suspend,
+ .resume = duart_resume,
.driver = {
.name = "mxs-duart",
.owner = THIS_MODULE,
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index e16915107c6b..736a12ff9045 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -261,6 +261,11 @@ config SPI_STMP3XXX
help
SPI driver for Freescale STMP37xx/378x SoC SSP interface
+config SPI_MXS
+ tristate "Freescale MXS SPI/SSP controller"
+ depends on ARCH_MXS && SPI_MASTER
+ help
+ SPI driver for Freescale MXS SoC SSP interface
#
# Add new SPI master controllers in alphabetical order above this line
#
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index b7cfb6245c0b..b6dbdf064181 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -33,6 +33,7 @@ obj-$(CONFIG_SPI_MXC) += mxc_spi.o
obj-$(CONFIG_SPI_XILINX) += xilinx_spi.o
obj-$(CONFIG_SPI_SH_SCI) += spi_sh_sci.o
obj-$(CONFIG_SPI_STMP3XXX) += spi_stmp.o
+obj-$(CONFIG_SPI_MXS) += spi_mxs.o
# ... add above this line ...
# SPI protocol drivers (device/link on bus)
diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index cfe40a4526a7..5f4aa2e90392 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -657,7 +657,7 @@ void mxc_spi_chipselect(struct spi_device *spi, int is_active)
if (spi->mode & SPI_CPHA)
ctrl_reg |=
spi_ver_def->mode_mask << spi_ver_def->pha_shift;
- if (!(spi->mode & SPI_CPOL))
+ if (spi->mode & SPI_CPOL)
ctrl_reg |=
spi_ver_def->mode_mask << spi_ver_def->
low_pol_shift;
@@ -824,16 +824,23 @@ int mxc_spi_poll_transfer(struct spi_device *spi, struct spi_transfer *t)
master_drv_data->transfer.count = t->len;
fifo_size = master_drv_data->spi_ver_def->fifo_size;
- count = (t->len > fifo_size) ? fifo_size : t->len;
- spi_put_tx_data(master_drv_data->base, count, master_drv_data);
+ while (master_drv_data->transfer.count) {
+ count = (master_drv_data->transfer.count > fifo_size) ?
+ fifo_size : master_drv_data->transfer.count;
- while ((((status = __raw_readl(master_drv_data->test_addr)) &
- master_drv_data->spi_ver_def->rx_cnt_mask) >> master_drv_data->
- spi_ver_def->rx_cnt_off) != count);
+ spi_put_tx_data(master_drv_data->base, count, master_drv_data);
- for (i = 0; i < count; i++) {
- rx_tmp = __raw_readl(master_drv_data->base + MXC_CSPIRXDATA);
- master_drv_data->transfer.rx_get(master_drv_data, rx_tmp);
+ while ((((status = __raw_readl(master_drv_data->test_addr)) &
+ master_drv_data->spi_ver_def->rx_cnt_mask) >> master_drv_data->
+ spi_ver_def->rx_cnt_off) != count)
+ ;
+
+ for (i = 0; i < count; i++) {
+ rx_tmp = __raw_readl(master_drv_data->base + MXC_CSPIRXDATA);
+ master_drv_data->transfer.rx_get(master_drv_data, rx_tmp);
+ }
+
+ master_drv_data->transfer.count -= count;
}
clk_disable(master_drv_data->clk);
@@ -864,8 +871,19 @@ int mxc_spi_transfer(struct spi_device *spi, struct spi_transfer *t)
int chipselect_status;
u32 fifo_size;
+#if defined(CONFIG_MODULE_CCXMX51)
+ /**
+ * The ConnectCore i.MX51/Wi-i.MX51 use this bus to communicate with
+ * the pmic, using poll transfers. Because that bus is also used to
+ * communicate the cpu with other devices, use also poll transfers
+ * to avoid conflicts.
+ */
+ if (spi->master->bus_num == 1) {
+ mxc_spi_poll_transfer(spi, t);
+ return t->len;
+ }
+#endif
/* Get the master controller driver data from spi device's master */
-
master_drv_data = spi_master_get_devdata(spi->master);
chipselect_status = __raw_readl(MXC_CSPICONFIG +
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index 17d89a8124ad..da7c984b5641 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -43,6 +43,7 @@ static struct proc_dir_entry *binder_proc_dir_entry_proc;
static struct hlist_head binder_dead_nodes;
static HLIST_HEAD(binder_deferred_list);
static DEFINE_MUTEX(binder_deferred_lock);
+static struct workqueue_struct *binder_deferred_workqueue;
static int binder_read_proc_proc(char *page, char **start, off_t off,
int count, int *eof, void *data);
@@ -2986,6 +2987,7 @@ static void binder_deferred_release(struct binder_proc *proc)
int i;
for (i = 0; i < proc->buffer_size / PAGE_SIZE; i++) {
if (proc->pages[i]) {
+ void *page_addr = proc->buffer + i * PAGE_SIZE;
if (binder_debug_mask &
BINDER_DEBUG_BUFFER_ALLOC)
printk(KERN_INFO
@@ -2993,6 +2995,8 @@ static void binder_deferred_release(struct binder_proc *proc)
"page %d at %p not freed\n",
proc->pid, i,
proc->buffer + i * PAGE_SIZE);
+ unmap_kernel_range((unsigned long)page_addr,
+ PAGE_SIZE);
__free_page(proc->pages[i]);
page_count++;
}
@@ -3062,7 +3066,7 @@ static void binder_defer_work(struct binder_proc *proc, int defer)
if (hlist_unhashed(&proc->deferred_work_node)) {
hlist_add_head(&proc->deferred_work_node,
&binder_deferred_list);
- schedule_work(&binder_deferred_work);
+ queue_work(binder_deferred_workqueue, &binder_deferred_work);
}
mutex_unlock(&binder_deferred_lock);
}
@@ -3690,6 +3694,10 @@ static int __init binder_init(void)
{
int ret;
+ binder_deferred_workqueue = create_singlethread_workqueue("binder");
+ if (!binder_deferred_workqueue)
+ return -ENOMEM;
+
binder_proc_dir_entry_root = proc_mkdir("binder", NULL);
if (binder_proc_dir_entry_root)
binder_proc_dir_entry_proc = proc_mkdir("proc",
diff --git a/drivers/staging/android/logger.c b/drivers/staging/android/logger.c
index 6c10b456c6cc..7f64f8fb26b0 100644
--- a/drivers/staging/android/logger.c
+++ b/drivers/staging/android/logger.c
@@ -556,6 +556,7 @@ static struct logger_log VAR = { \
DEFINE_LOGGER_DEVICE(log_main, LOGGER_LOG_MAIN, 64*1024)
DEFINE_LOGGER_DEVICE(log_events, LOGGER_LOG_EVENTS, 256*1024)
DEFINE_LOGGER_DEVICE(log_radio, LOGGER_LOG_RADIO, 64*1024)
+DEFINE_LOGGER_DEVICE(log_system, LOGGER_LOG_SYSTEM, 64*1024)
static struct logger_log *get_log_from_minor(int minor)
{
@@ -565,6 +566,8 @@ static struct logger_log *get_log_from_minor(int minor)
return &log_events;
if (log_radio.misc.minor == minor)
return &log_radio;
+ if (log_system.misc.minor == minor)
+ return &log_system;
return NULL;
}
@@ -601,6 +604,10 @@ static int __init logger_init(void)
if (unlikely(ret))
goto out;
+ ret = init_log(&log_system);
+ if (unlikely(ret))
+ goto out;
+
out:
return ret;
}
diff --git a/drivers/staging/android/logger.h b/drivers/staging/android/logger.h
index a562434d7419..2cb06e9d8f98 100644
--- a/drivers/staging/android/logger.h
+++ b/drivers/staging/android/logger.h
@@ -32,6 +32,7 @@ struct logger_entry {
#define LOGGER_LOG_RADIO "log_radio" /* radio-related messages */
#define LOGGER_LOG_EVENTS "log_events" /* system/hardware events */
+#define LOGGER_LOG_SYSTEM "log_system" /* system/framework messages */
#define LOGGER_LOG_MAIN "log_main" /* everything else */
#define LOGGER_ENTRY_MAX_LEN (4*1024)
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 803b891dc85e..572dc062759a 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -18,6 +18,9 @@
#include <linux/mm.h>
#include <linux/oom.h>
#include <linux/sched.h>
+#include <linux/nodemask.h>
+#include <linux/vmstat.h>
+#include <linux/notifier.h>
static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask);
@@ -41,6 +44,8 @@ static size_t lowmem_minfree[6] = {
};
static int lowmem_minfree_size = 4;
+static struct task_struct *lowmem_deathpending;
+
#define lowmem_print(level, x...) \
do { \
if (lowmem_debug_level >= (level)) \
@@ -54,6 +59,24 @@ module_param_array_named(minfree, lowmem_minfree, uint, &lowmem_minfree_size,
S_IRUGO | S_IWUSR);
module_param_named(debug_level, lowmem_debug_level, uint, S_IRUGO | S_IWUSR);
+static int
+task_notify_func(struct notifier_block *self, unsigned long val, void *data);
+
+static struct notifier_block task_nb = {
+ .notifier_call = task_notify_func,
+};
+
+static int
+task_notify_func(struct notifier_block *self, unsigned long val, void *data)
+{
+ struct task_struct *task = data;
+ if (task == lowmem_deathpending) {
+ lowmem_deathpending = NULL;
+ task_free_unregister(&task_nb);
+ }
+ return NOTIFY_OK;
+}
+
static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask)
{
struct task_struct *p;
@@ -67,6 +90,24 @@ static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask)
int array_size = ARRAY_SIZE(lowmem_adj);
int other_free = global_page_state(NR_FREE_PAGES);
int other_file = global_page_state(NR_FILE_PAGES);
+ int node;
+
+ /*
+ * If we already have a death outstanding, then
+ * bail out right away; indicating to vmscan
+ * that we have nothing further to offer on
+ * this pass.
+ */
+ if (lowmem_deathpending)
+ return 0;
+
+ for_each_node_state(node, N_HIGH_MEMORY) {
+ struct zone *z =
+ &NODE_DATA(node)->node_zones[ZONE_DMA];
+
+ other_free -= zone_page_state(z, NR_FREE_PAGES);
+ other_file -= zone_page_state(z, NR_FILE_PAGES);
+ }
if (lowmem_adj_size < array_size)
array_size = lowmem_adj_size;
@@ -128,9 +169,19 @@ static int lowmem_shrink(int nr_to_scan, gfp_t gfp_mask)
p->pid, p->comm, oom_adj, tasksize);
}
if (selected) {
+ if (fatal_signal_pending(selected)) {
+ pr_warning("process %d is suffering a slow death\n",
+ selected->pid);
+ read_unlock(&tasklist_lock);
+ return rem;
+ }
lowmem_print(1, "send sigkill to %d (%s), adj %d, size %d\n",
selected->pid, selected->comm,
selected_oom_adj, selected_tasksize);
+
+ lowmem_deathpending = selected;
+ task_free_register(&task_nb);
+
force_sig(SIGKILL, selected);
rem -= selected_tasksize;
}
diff --git a/drivers/uio/uio_pdrv_genirq.c b/drivers/uio/uio_pdrv_genirq.c
index 3f06818cf9fa..31fcd3270b26 100644
--- a/drivers/uio/uio_pdrv_genirq.c
+++ b/drivers/uio/uio_pdrv_genirq.c
@@ -157,6 +157,12 @@ static int uio_pdrv_genirq_remove(struct platform_device *pdev)
struct uio_pdrv_genirq_platdata *priv = platform_get_drvdata(pdev);
uio_unregister_device(priv->uioinfo);
+
+ priv->uioinfo->irq_flags = 0;
+ priv->uioinfo->handler = NULL;
+ priv->uioinfo->irqcontrol = NULL;
+ priv->uioinfo->priv = NULL;
+
kfree(priv);
return 0;
}
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 2bfc41ece0e1..b8134ad5f05f 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -59,6 +59,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/tty.h>
+#include <linux/serial.h>
#include <linux/tty_driver.h>
#include <linux/tty_flip.h>
#include <linux/module.h>
@@ -609,6 +610,7 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
acm->throttle = 0;
tasklet_schedule(&acm->urb_task);
+ set_bit(ASYNCB_INITIALIZED, &acm->port.flags);
rv = tty_port_block_til_ready(&acm->port, tty, filp);
done:
mutex_unlock(&acm->mutex);
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 69e5773abfce..07f503aa9078 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1754,6 +1754,9 @@ int usb_resume(struct device *dev, pm_message_t msg)
udev = to_usb_device(dev);
+/* At otg mode, if it is a device wakeup interrupt, the host should do nothing */
+ if (udev->bus->is_b_host)
+ return 0;
/* If udev->skip_sys_resume is set then udev was already suspended
* when the system sleep started, so we don't want to resume it
* during this system wakeup.
@@ -1765,7 +1768,7 @@ int usb_resume(struct device *dev, pm_message_t msg)
/* Avoid PM error messages for devices disconnected while suspended
* as we'll display regular disconnect messages just a bit later.
*/
- if (status == -ENODEV)
+ if (status == -ENODEV || status == -ESHUTDOWN)
return 0;
return status;
}
diff --git a/drivers/usb/core/generic.c b/drivers/usb/core/generic.c
index 66e8a424c9f4..539a2c0dde00 100644
--- a/drivers/usb/core/generic.c
+++ b/drivers/usb/core/generic.c
@@ -196,7 +196,6 @@ extern void usb_host_set_wakeup(struct device *wkup_dev, bool para);
static int generic_suspend(struct usb_device *udev, pm_message_t msg)
{
int rc;
- u32 temp;
/* Normal USB devices suspend through their upstream port.
* Root hubs don't have upstream ports to suspend,
@@ -204,25 +203,7 @@ static int generic_suspend(struct usb_device *udev, pm_message_t msg)
* interfaces manually by doing a bus (or "global") suspend.
*/
if (!udev->parent) {
- struct usb_hcd *hcd =
- container_of(udev->bus, struct usb_hcd, self);
- struct fsl_usb2_platform_data *pdata;
- pdata = hcd->self.controller->platform_data;
-
rc = hcd_bus_suspend(udev, msg);
-
- if (device_may_wakeup(hcd->self.controller)) {
- clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- /* enable remote wake up irq */
- usb_host_set_wakeup(hcd->self.controller, true);
-
- /* Put PHY into low power mode */
- temp = readl(hcd->regs + 0x184);
- writel(temp | (1 << 23), (hcd->regs + 0x184));
-
- if (pdata->usb_clock_for_pm)
- pdata->usb_clock_for_pm(false);
- }
/* Non-root devices don't need to do anything for FREEZE or PRETHAW */
} else if (msg.event == PM_EVENT_FREEZE ||
msg.event == PM_EVENT_PRETHAW)
@@ -236,7 +217,6 @@ static int generic_suspend(struct usb_device *udev, pm_message_t msg)
static int generic_resume(struct usb_device *udev, pm_message_t msg)
{
int rc;
- u32 temp;
/* Normal USB devices resume/reset through their upstream port.
* Root hubs don't have upstream ports to resume or reset,
@@ -244,13 +224,6 @@ static int generic_resume(struct usb_device *udev, pm_message_t msg)
* interfaces manually by doing a bus (or "global") resume.
*/
if (!udev->parent) {
- struct usb_hcd *hcd =
- container_of(udev->bus, struct usb_hcd, self);
-
- if (device_may_wakeup(hcd->self.controller)) {
- temp = readl(hcd->regs + 0x184);
- writel(temp & (~(1 << 23)), (hcd->regs + 0x184));
- }
rc = hcd_bus_resume(udev, msg);
} else
rc = usb_port_resume(udev, msg);
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index d27ad104731c..2f47bdc7c93a 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1739,6 +1739,7 @@ int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg)
int status;
int old_state = hcd->state;
+ printk("%s\n", __func__);
dev_dbg(&rhdev->dev, "bus %s%s\n",
(msg.event & PM_EVENT_AUTO ? "auto-" : ""), "suspend");
if (!hcd->driver->bus_suspend) {
@@ -1876,7 +1877,6 @@ EXPORT_SYMBOL_GPL(usb_bus_start_enum);
irqreturn_t usb_hcd_irq (int irq, void *__hcd)
{
struct usb_hcd *hcd = __hcd;
- struct fsl_usb2_platform_data *pdata;
unsigned long flags;
irqreturn_t rc;
@@ -1885,25 +1885,14 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd)
* assume it's never used.
*/
local_irq_save(flags);
-
- if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
- /* Need open clock for register access */
- pdata = hcd->self.controller->platform_data;
- if (pdata->usb_clock_for_pm)
- pdata->usb_clock_for_pm(true);
-
- /* if receive a remote wakeup interrrupt after suspend */
- if (usb_host_wakeup_irq(hcd->self.controller)) {
- /* disable remote wake up irq */
- usb_host_set_wakeup(hcd->self.controller, false);
-
- set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- hcd->driver->irq(hcd);
- rc = IRQ_HANDLED;
- } else
+ /* At otg mode, the host does need to handle device interrupt */
+ if (hcd->self.is_b_host){
+ local_irq_restore(flags);
+ return IRQ_NONE;
+ }
+ else if (unlikely(hcd->state == HC_STATE_HALT ||
+ !test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))) {
rc = IRQ_NONE;
- } else if (unlikely(hcd->state == HC_STATE_HALT)) {
- rc = IRQ_NONE;
} else if (hcd->driver->irq(hcd) == IRQ_NONE) {
rc = IRQ_NONE;
} else {
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index d47201c75915..cc8f911afbc4 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1177,12 +1177,6 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
"Unsupported bus topology: hub nested too deep\n");
return -E2BIG;
}
-#ifdef CONFIG_PM
- /* Defaultly disable autosuspend for hub and reley on sys
- * to enable it.
- */
- hdev->autosuspend_disabled = 1;
-#endif
#ifdef CONFIG_USB_OTG_BLACKLIST_HUB
if (hdev->parent) {
@@ -2304,7 +2298,6 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg)
struct usb_hub *hub = usb_get_intfdata (intf);
struct usb_device *hdev = hub->hdev;
unsigned port1;
-
/* fail if children aren't already suspended */
for (port1 = 1; port1 <= hdev->maxchild; port1++) {
struct usb_device *udev;
@@ -2328,8 +2321,15 @@ static int hub_suspend(struct usb_interface *intf, pm_message_t msg)
static int hub_resume(struct usb_interface *intf)
{
struct usb_hub *hub = usb_get_intfdata(intf);
+ struct usb_hcd *hcd = bus_to_hcd(hub->hdev->bus);
dev_dbg(&intf->dev, "%s\n", __func__);
+ /* At otg mode, if the hcd which the hub is attached to is not accessible,
+ * It should do nothing.
+ */
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))
+ return 0;
+
hub_activate(hub, HUB_RESUME);
return 0;
}
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index ce44379bd172..c29ebda61b2f 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -466,7 +466,6 @@ config USB_GOKU
config USB_GADGET_ARC
boolean "Freescale USB Device Controller"
depends on ARCH_MXC || ARCH_STMP3XXX || ARCH_MXS
- depends on !USB_EHCI_ARC_OTG
select USB_GADGET_DUALSPEED
select USB_OTG_UTILS
select USB_GADGET_DUALSPEED if USB_GADGET_FSL_1504 || USB_GADGET_FSL_UTMI
@@ -792,6 +791,15 @@ config USB_G_PRINTER
For more information, see Documentation/usb/gadget_printer.txt
which includes sample code for accessing the device file.
+config USB_ANDROID
+ tristate "Android Gadget"
+ depends on SWITCH
+ help
+ The Android gadget provides mass storage and adb transport.
+
+ Say "y" to link the driver statically, or "m" to build a
+ dynamically linked module called "g_android".
+
config USB_CDC_COMPOSITE
tristate "CDC Composite Device (Ethernet and ACM)"
depends on NET
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 477114e43372..545c0e256e28 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -41,6 +41,7 @@ gadgetfs-objs := inode.o
g_file_storage-objs := file_storage.o
g_printer-objs := printer.o
g_cdc-objs := cdc2.o
+g_android-objs := android.o f_adb.o f_mass_storage.o
obj-$(CONFIG_USB_ZERO) += g_zero.o
obj-$(CONFIG_USB_AUDIO) += g_audio.o
@@ -51,4 +52,5 @@ obj-$(CONFIG_USB_G_SERIAL) += g_serial.o
obj-$(CONFIG_USB_G_PRINTER) += g_printer.o
obj-$(CONFIG_USB_MIDI_GADGET) += g_midi.o
obj-$(CONFIG_USB_CDC_COMPOSITE) += g_cdc.o
+obj-$(CONFIG_USB_ANDROID) += g_android.o
diff --git a/drivers/usb/gadget/arcotg_udc.c b/drivers/usb/gadget/arcotg_udc.c
index 1577c93c35bb..8e94549f891e 100644
--- a/drivers/usb/gadget/arcotg_udc.c
+++ b/drivers/usb/gadget/arcotg_udc.c
@@ -106,19 +106,6 @@ extern struct resource *otg_get_resources(void);
extern void fsl_platform_set_test_mode(struct fsl_usb2_platform_data *pdata, enum usb_test_mode mode);
-static inline void
-dr_wake_up_enable(struct fsl_udc *udc, bool enable)
-{
- struct fsl_usb2_platform_data *pdata;
- pdata = udc->pdata;
-
- if (enable && (!device_may_wakeup(udc_controller->gadget.dev.parent)))
- return;
-
- if (pdata->wake_up_enable)
- pdata->wake_up_enable(pdata, enable);
-}
-
#ifdef CONFIG_WORKAROUND_ARCUSB_REG_RW
static void safe_writel(u32 val32, void *addr)
{
@@ -177,6 +164,25 @@ static inline void dump_ep_queue(struct fsl_ep *ep)
}
#endif
+#if (defined CONFIG_ARCH_MX35 || defined CONFIG_ARCH_MX25)
+/*
+ * The Phy at MX35 and MX25 have bugs, it must disable, and re-eable phy
+ * if the phy clock is disabled before
+ */
+static void reset_phy(void)
+{
+ u32 phyctrl;
+ phyctrl = fsl_readl(&dr_regs->phyctrl1);
+ phyctrl &= ~PHY_CTRL0_USBEN;
+ fsl_writel(phyctrl, &dr_regs->phyctrl1);
+
+ phyctrl = fsl_readl(&dr_regs->phyctrl1);
+ phyctrl |= PHY_CTRL0_USBEN;
+ fsl_writel(phyctrl, &dr_regs->phyctrl1);
+}
+#else
+static void reset_phy(void){; }
+#endif
/*-----------------------------------------------------------------
* done() - retire a request; caller blocked irqs
* @status : request status to be set, only works when
@@ -264,9 +270,12 @@ static void done(struct fsl_ep *ep, struct fsl_req *req, int status)
static void nuke(struct fsl_ep *ep, int status)
{
ep->stopped = 1;
-
- /* Flush fifo */
- fsl_ep_fifo_flush(&ep->ep);
+ /*
+ * At udc stop mode, the clock is already off
+ * So flush fifo, should be done at clock on mode.
+ */
+ if (!ep->udc->stopped)
+ fsl_ep_fifo_flush(&ep->ep);
/* Whether this eq has request linked */
while (!list_empty(&ep->queue)) {
@@ -281,31 +290,85 @@ static void nuke(struct fsl_ep *ep, int status)
/*------------------------------------------------------------------
Internal Hardware related function
------------------------------------------------------------------*/
+static inline void
+dr_wake_up_enable(struct fsl_udc *udc, bool enable)
+{
+ struct fsl_usb2_platform_data *pdata;
+ pdata = udc->pdata;
-static void dr_phy_low_power_mode(struct fsl_udc *udc, bool enable)
+ if (pdata && pdata->wake_up_enable)
+ pdata->wake_up_enable(pdata, enable);
+}
+static bool clk_stoped = false;
+static inline void dr_clk_gate(bool on)
{
- u32 temp;
+ struct fsl_usb2_platform_data *pdata = udc_controller->pdata;
- if (!device_may_wakeup(udc_controller->gadget.dev.parent))
+ if (!pdata || !pdata->usb_clock_for_pm)
return;
+ if (on && clk_stoped) {
+ pdata->usb_clock_for_pm(true);
+ clk_stoped = false;
+ }
+ if (!on && !clk_stoped) {
+ pdata->usb_clock_for_pm(false);
+ clk_stoped = true;
+ }
+ if (on)
+ reset_phy();
+}
- if (enable) {
- temp = fsl_readl(&dr_regs->portsc1);
- temp |= PORTSCX_PHY_LOW_POWER_SPD;
- fsl_writel(temp, &dr_regs->portsc1);
+static void dr_phy_low_power_mode(struct fsl_udc *udc, bool enable)
+{
+ struct fsl_usb2_platform_data *pdata = udc->pdata;
+ u32 portsc;
- if (udc_controller->pdata->usb_clock_for_pm)
- udc_controller->pdata->usb_clock_for_pm(false);
+ if (pdata && pdata->phy_lowpower_suspend) {
+ pdata->phy_lowpower_suspend(enable);
} else {
- if (udc_controller->pdata->usb_clock_for_pm)
- udc_controller->pdata->usb_clock_for_pm(true);
-
- temp = fsl_readl(&dr_regs->portsc1);
- temp &= ~PORTSCX_PHY_LOW_POWER_SPD;
- fsl_writel(temp, &dr_regs->portsc1);
+ if (enable){
+ portsc = fsl_readl(&dr_regs->portsc1);
+ portsc |= PORTSCX_PHY_LOW_POWER_SPD;
+ fsl_writel(portsc, &dr_regs->portsc1);
+ } else {
+ portsc = fsl_readl(&dr_regs->portsc1);
+ portsc &= ~PORTSCX_PHY_LOW_POWER_SPD;
+ fsl_writel(portsc, &dr_regs->portsc1);
+ }
}
}
+
+/* workaroud for some boards, maybe there is a large capacitor between the ground and the Vbus
+ * that will cause the vbus dropping very slowly when device is detached,
+ * may cost 2-3 seconds to below 0.8V */
+static void udc_wait_b_session_low(void)
+{
+ u32 temp;
+ u32 wait = 5000; /* max wait time is 5000 ms */
+ /* if we are in host mode, don't need to care the B session */
+ if ((fsl_readl(&dr_regs->otgsc) & OTGSC_STS_USB_ID) == 0)
+ return;
+ /* if the udc is dettached , there will be a suspend irq */
+ if (udc_controller->usb_state != USB_STATE_SUSPENDED)
+ return;
+ temp = fsl_readl(&dr_regs->otgsc);
+ temp &= ~(OTGSC_B_SESSION_VALID_IRQ_EN );
+ fsl_writel(temp, &dr_regs->otgsc);
+
+ do {
+ if (!(fsl_readl(&dr_regs->otgsc) & OTGSC_B_SESSION_VALID))
+ break;
+ mdelay(1);
+ wait -= 1;
+ } while(wait);
+ if (!wait)
+ printk("ERROR!!!!!: the vbus can not be lower then 0.8V for 5 seconds, Pls Check your HW design\n");
+ temp = fsl_readl(&dr_regs->otgsc);
+ temp |= (OTGSC_B_SESSION_VALID_IRQ_EN );
+ fsl_writel(temp, &dr_regs->otgsc);
+}
+
static int dr_controller_setup(struct fsl_udc *udc)
{
unsigned int tmp = 0, portctrl = 0;
@@ -427,37 +490,36 @@ static void dr_controller_run(struct fsl_udc *udc)
fsl_writel(temp, &dr_regs->usbintr);
- if (device_may_wakeup(udc_controller->gadget.dev.parent)) {
- /* enable BSV irq */
- temp = fsl_readl(&dr_regs->otgsc);
- temp |= OTGSC_B_SESSION_VALID_IRQ_EN;
- fsl_writel(temp, &dr_regs->otgsc);
- }
+ /* enable BSV irq */
+ temp = fsl_readl(&dr_regs->otgsc);
+ temp |= OTGSC_B_SESSION_VALID_IRQ_EN;
+ fsl_writel(temp, &dr_regs->otgsc);
/* If vbus not on and used low power mode */
- if (!(fsl_readl(&dr_regs->otgsc) & OTGSC_B_SESSION_VALID)
- && device_may_wakeup(udc_controller->gadget.dev.parent)) {
- /* enable wake up */
- dr_wake_up_enable(udc, true);
+ if (!(temp & OTGSC_B_SESSION_VALID)) {
/* Set stopped before low power mode */
udc->stopped = 1;
- /* close PHY clock */
+ /* enable wake up */
+ dr_wake_up_enable(udc, true);
+ /* enter lower power mode */
dr_phy_low_power_mode(udc, true);
- printk(KERN_INFO "udc enter low power mode \n");
+ printk(KERN_INFO "%s: udc enter low power mode \n", __func__);
} else {
+#ifdef CONFIG_ARCH_MX37
/*
add some delay for USB timing issue. USB may be
recognize as FS device
during USB gadget remote wake up function
*/
mdelay(100);
+#endif
/* Clear stopped bit */
udc->stopped = 0;
- /* Set controller to Run */
+
+ /* The usb line has already been connected to pc */
temp = fsl_readl(&dr_regs->usbcmd);
temp |= USB_CMD_RUN_STOP;
fsl_writel(temp, &dr_regs->usbcmd);
- printk(KERN_INFO "udc run \n");
}
return;
@@ -680,7 +742,7 @@ static int fsl_ep_enable(struct usb_ep *_ep,
case USB_ENDPOINT_XFER_ISOC:
/* Calculate transactions needed for high bandwidth iso */
mult = (unsigned char)(1 + ((max >> 11) & 0x03));
- max = max & 0x8ff; /* bit 0~10 */
+ max = max & 0x7ff; /* bit 0~10 */
/* 3 transactions at most */
if (mult > 3)
goto en_done;
@@ -1953,15 +2015,36 @@ static void suspend_irq(struct fsl_udc *udc)
udc->driver->suspend(&udc->gadget);
}
-/* Process Wake up interrupt */
-static void wake_up_irq(struct fsl_udc *udc)
-{
- pr_debug("%s\n", __func__);
-
- /* disable wake up irq */
- dr_wake_up_enable(udc_controller, false);
-
- udc->stopped = 0;
+/* Process Wake up interrupt
+ * Be careful that some boards will use ID pin to control the VBUS on/off
+ * in these case, after the device enter the lowpower mode(clk off,
+ * phy lowpower mode, wakeup enable), then an udisk is attaced to the otg port,
+ * there will be an Vbus wakeup event and then an ID change wakeup, But the Vbus
+ * event is not expected, so there is an workaround that will detect the ID, if ID=0
+ * we just need the ID event so we can not disable the wakeup
+ *
+ * false: host wakeup event
+ * true: device wakeup event
+*/
+static bool wake_up_irq(struct fsl_udc *udc)
+{
+ /* Because the IC design needs to remove the glitch on ID so the otgsc bit 8 will
+ * be delayed max 2 ms to show the real ID pin value
+ */
+ mdelay(3);
+
+ /* if the ID=0, let arc host process the wakeup */
+ if (fsl_readl(&dr_regs->otgsc) & OTGSC_STS_USB_ID) {
+ dr_wake_up_enable(udc_controller, false);
+ dr_phy_low_power_mode(udc, false);
+ printk("device wake up event\n");
+ return true;
+ }else {/* wakeup is vbus wake event, but not for device so we need to clear b session */
+ int irq_src = fsl_readl(&dr_regs->otgsc) & (~OTGSC_ID_CHANGE_IRQ_STS);
+ fsl_writel(irq_src, &dr_regs->otgsc);
+ printk("The host wakeup event, should be handled by host\n");
+ return false;
+ }
}
static void bus_resume(struct fsl_udc *udc)
@@ -2018,72 +2101,60 @@ static void reset_irq(struct fsl_udc *udc)
/* Write 1s to the flush register */
fsl_writel(0xffffffff, &dr_regs->endptflush);
- if (fsl_readl(&dr_regs->portsc1) & PORTSCX_PORT_RESET) {
- VDBG("Bus reset");
- /* Bus is reseting */
- udc->bus_reset = 1;
- /* Reset all the queues, include XD, dTD, EP queue
- * head and TR Queue */
- reset_queues(udc);
- udc->usb_state = USB_STATE_DEFAULT;
- } else {
- VDBG("Controller reset");
- /* initialize usb hw reg except for regs for EP, not
- * touch usbintr reg */
- dr_controller_setup(udc);
-
- /* Reset all internal used Queues */
- reset_queues(udc);
-
- ep0_setup(udc);
-
- /* Enable DR IRQ reg, Set Run bit, change udc state */
- dr_controller_run(udc);
- udc->usb_state = USB_STATE_ATTACHED;
- }
+ /* Bus is reseting */
+ udc->bus_reset = 1;
+ /* Reset all the queues, include XD, dTD, EP queue
+ * head and TR Queue */
+ reset_queues(udc);
+ udc->usb_state = USB_STATE_DEFAULT;
}
/* if wakup udc, return true; else return false*/
bool try_wake_up_udc(struct fsl_udc *udc)
{
u32 irq_src;
+ bool b_device;
/* when udc is stopped, only handle wake up irq */
if (udc->stopped) {
- if (!device_may_wakeup(&(udc->pdata->pdev->dev)))
- return false;
-
- dr_phy_low_power_mode(udc_controller, false);
-
/* check to see if wake up irq */
irq_src = fsl_readl(&dr_regs->usbctrl);
if (irq_src & USB_CTRL_OTG_WUIR) {
- wake_up_irq(udc);
- } else {
- dr_phy_low_power_mode(udc_controller, true);
+ if (wake_up_irq(udc) == false){
+ return false; /* host wakeup event */
+ }
}
}
- if (!device_may_wakeup(udc_controller->gadget.dev.parent))
- return true;
-
/* check if Vbus change irq */
irq_src = fsl_readl(&dr_regs->otgsc);
if (irq_src & OTGSC_B_SESSION_VALID_IRQ_STS) {
u32 tmp;
+ /* Because the IC design needs to remove the glitch on ID so the otgsc bit 8 will
+ * be delayed max 2 ms to show the real ID pin value, as it needs to use ID to judge
+ * host or device
+ */
+ mdelay(3);
+ b_device = (irq_src & OTGSC_STS_USB_ID)? true:false;
fsl_writel(irq_src, &dr_regs->otgsc);
+ if (!b_device)
+ return false;
tmp = fsl_readl(&dr_regs->usbcmd);
/* check BSV bit to see if fall or rise */
if (irq_src & OTGSC_B_SESSION_VALID) {
+ if (udc->suspended) /*let the system pm resume the udc */
+ return true;
udc->stopped = 0;
fsl_writel(tmp | USB_CMD_RUN_STOP, &dr_regs->usbcmd);
- printk(KERN_INFO "udc out low power mode\n");
+ printk(KERN_INFO "%s: udc out low power mode\n", __func__);
} else {
- printk(KERN_INFO "udc enter low power mode \n");
+ printk(KERN_INFO "%s: udc enter low power mode \n", __func__);
+ if (udc->driver)
+ udc->driver->disconnect(&udc->gadget);
fsl_writel(tmp & ~USB_CMD_RUN_STOP, &dr_regs->usbcmd);
+ udc->stopped = 1;
/* enable wake up */
dr_wake_up_enable(udc, true);
- udc->stopped = 1;
/* close USB PHY clock */
dr_phy_low_power_mode(udc, true);
return false;
@@ -2092,7 +2163,6 @@ bool try_wake_up_udc(struct fsl_udc *udc)
return true;
}
-
/*
* USB device controller interrupt handler
*/
@@ -2103,15 +2173,29 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
irqreturn_t status = IRQ_NONE;
unsigned long flags;
- if (try_wake_up_udc(udc) == false)
- return IRQ_NONE;
-
spin_lock_irqsave(&udc->lock, flags);
+ if (udc->stopped)
+ dr_clk_gate(true);
+
+ if (try_wake_up_udc(udc) == false) {
+ goto irq_end;
+ }
+#ifdef CONFIG_USB_OTG
+ /* if no gadget register in this driver, we need do noting */
+ if (udc->transceiver->gadget == NULL)
+ goto irq_end;
+
+ /* only handle device interrupt event */
+ if (!(fsl_readl(&dr_regs->otgsc) & OTGSC_STS_USB_ID)) {
+ goto irq_end;
+ }
+#endif
+
irq_src = fsl_readl(&dr_regs->usbsts) & fsl_readl(&dr_regs->usbintr);
/* Clear notification bits */
fsl_writel(irq_src, &dr_regs->usbsts);
- /* VDBG("irq_src [0x%8x]", irq_src); */
+ VDBG("0x%x\n", irq_src);
/* Need to resume? */
if (udc->usb_state == USB_STATE_SUSPENDED)
@@ -2156,12 +2240,24 @@ static irqreturn_t fsl_udc_irq(int irq, void *_udc)
/* Sleep Enable (Suspend) */
if (irq_src & USB_STS_SUSPEND) {
+ VDBG("suspend int");
suspend_irq(udc);
status = IRQ_HANDLED;
}
if (irq_src & (USB_STS_ERR | USB_STS_SYS_ERR)) {
- VDBG("Error IRQ %x ", irq_src);
+ printk(KERN_ERR "Error IRQ %x ", irq_src);
+ if (irq_src & USB_STS_SYS_ERR) {
+ printk(KERN_ERR "This error can't be recoveried, \
+ please reboot your board\n");
+ printk(KERN_ERR "If this error happens frequently, \
+ please check your dma buffer\n");
+ }
+ }
+
+irq_end:
+ if (udc->stopped){
+ dr_clk_gate(false);
}
spin_unlock_irqrestore(&udc->lock, flags);
@@ -2176,9 +2272,6 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
{
int retval = -ENODEV;
unsigned long flags = 0;
-#ifndef CONFIG_USB_OTG
- u32 portsc;
-#endif
if (!udc_controller)
return -ENODEV;
@@ -2196,18 +2289,19 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
spin_lock_irqsave(&udc_controller->lock, flags);
driver->driver.bus = 0;
+ udc_controller->pdata->port_enables = 1;
/* hook up the driver */
udc_controller->driver = driver;
udc_controller->gadget.dev.driver = &driver->driver;
spin_unlock_irqrestore(&udc_controller->lock, flags);
-#ifndef CONFIG_USB_OTG
- if (udc_controller->pdata->usb_clock_for_pm)
- udc_controller->pdata->usb_clock_for_pm(true);
+ dr_clk_gate(true);
+ /* It doesn't need to switch usb from low power mode to normal mode
+ * at otg mode
+ */
+ if (!udc_controller->transceiver){
+ dr_phy_low_power_mode(udc_controller, false);
+ }
- portsc = fsl_readl(&dr_regs->portsc1);
- portsc &= ~PORTSCX_PHY_LOW_POWER_SPD;
- fsl_writel(portsc, &dr_regs->portsc1);
-#endif
/* bind udc driver to gadget driver */
retval = driver->bind(&udc_controller->gadget);
if (retval) {
@@ -2219,30 +2313,30 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
if (udc_controller->transceiver) {
/* Suspend the controller until OTG enable it */
- udc_controller->stopped = 1;
+ udc_controller->suspended = 1;/* let the otg resume it */
printk(KERN_INFO "Suspend udc for OTG auto detect\n");
dr_wake_up_enable(udc_controller, true);
- dr_phy_low_power_mode(udc_controller, true);
/* export udc suspend/resume call to OTG */
udc_controller->gadget.dev.driver->suspend = (dev_sus)fsl_udc_suspend;
udc_controller->gadget.dev.driver->resume = (dev_res)fsl_udc_resume;
/* connect to bus through transceiver */
- if (udc_controller->transceiver) {
- retval = otg_set_peripheral(udc_controller->transceiver,
- &udc_controller->gadget);
- if (retval < 0) {
- ERR("can't bind to transceiver\n");
- driver->unbind(&udc_controller->gadget);
- udc_controller->gadget.dev.driver = 0;
- udc_controller->driver = 0;
- return retval;
- }
+ retval = otg_set_peripheral(udc_controller->transceiver,
+ &udc_controller->gadget);
+ if (retval < 0) {
+ ERR("can't bind to transceiver\n");
+ driver->unbind(&udc_controller->gadget);
+ udc_controller->gadget.dev.driver = 0;
+ udc_controller->driver = 0;
+ return retval;
}
+ //dr_clk_gate(false);
} else {
/* Enable DR IRQ reg and Set usbcmd reg Run bit */
dr_controller_run(udc_controller);
+ if (udc_controller->stopped)
+ dr_clk_gate(false);
udc_controller->usb_state = USB_STATE_ATTACHED;
udc_controller->ep0_dir = 0;
}
@@ -2250,8 +2344,10 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
udc_controller->gadget.name, driver->driver.name);
out:
- if (retval)
+ if (retval){
printk(KERN_DEBUG "retval %d \n", retval);
+ udc_controller->pdata->port_enables = 0;
+ }
return retval;
}
EXPORT_SYMBOL(usb_gadget_register_driver);
@@ -2261,7 +2357,6 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
{
struct fsl_ep *loop_ep;
unsigned long flags;
- u32 portsc;
if (!udc_controller)
return -ENODEV;
@@ -2269,15 +2364,16 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
if (!driver || driver != udc_controller->driver || !driver->unbind)
return -EINVAL;
+ if(udc_controller->stopped)
+ dr_clk_gate(true);
+
if (udc_controller->transceiver)
(void)otg_set_peripheral(udc_controller->transceiver, 0);
- /* open phy clock for following operation */
- dr_phy_low_power_mode(udc_controller, false);
-
/* stop DR, disable intr */
dr_controller_stop(udc_controller);
+ udc_controller->pdata->port_enables = 0;
/* in fact, no needed */
udc_controller->usb_state = USB_STATE_ATTACHED;
udc_controller->ep0_dir = 0;
@@ -2299,14 +2395,11 @@ int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
udc_controller->gadget.dev.driver = 0;
udc_controller->driver = 0;
- dr_wake_up_enable(udc_controller, false);
-
- portsc = fsl_readl(&dr_regs->portsc1);
- portsc |= PORTSCX_PHY_LOW_POWER_SPD;
- fsl_writel(portsc, &dr_regs->portsc1);
+ if (udc_controller->gadget.is_otg) {
+ dr_wake_up_enable(udc_controller, true);
+ }
- if (udc_controller->pdata->usb_clock_for_pm)
- udc_controller->pdata->usb_clock_for_pm(false);
+ dr_phy_low_power_mode(udc_controller, true);
printk(KERN_INFO "unregistered gadget driver '%s'\r\n",
driver->driver.name);
@@ -2705,14 +2798,6 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
int ret = -ENODEV;
unsigned int i;
u32 dccparams;
-#ifndef CONFIG_USB_OTG
- u32 portsc;
-#endif
-
- if (strcmp(pdev->name, driver_name)) {
- VDBG("Wrong device\n");
- return -ENODEV;
- }
udc_controller = kzalloc(sizeof(struct fsl_udc), GFP_KERNEL);
if (udc_controller == NULL) {
@@ -2729,6 +2814,7 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
ret = -ENODEV;
goto err1a;
}
+ udc_controller->gadget.is_otg = 1;
#endif
if ((pdev->dev.parent) &&
@@ -2768,6 +2854,9 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
goto err2a;
}
+ /* Due to mx35/mx25's phy's bug */
+ reset_phy();
+
if (pdata->have_sysif_regs)
usb_sys_regs = (struct usb_sys_interface *)
((u32)dr_regs + USB_DR_SYS_OFFSET);
@@ -2826,12 +2915,6 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
if (ret < 0)
goto err3;
- if (udc_controller->transceiver) {
- udc_controller->gadget.is_otg = 1;
- /* now didn't support lpm in OTG mode*/
- device_set_wakeup_capable(&pdev->dev, 0);
- }
-
/* setup QH and epctrl for ep0 */
ep0_setup(udc_controller);
@@ -2874,20 +2957,29 @@ static int __init fsl_udc_probe(struct platform_device *pdev)
#ifdef POSTPONE_FREE_LAST_DTD
last_free_td = NULL;
#endif
+
#ifndef CONFIG_USB_OTG
/* disable all INTR */
fsl_writel(0, &dr_regs->usbintr);
-
dr_wake_up_enable(udc_controller, false);
+#else
+ dr_wake_up_enable(udc_controller, true);
+#endif
+
+/*
+ * As mx25/mx35 does not implement clk_gate, should not let phy to low
+ * power mode due to IC bug
+ */
+#if !(defined CONFIG_ARCH_MX35 || defined CONFIG_ARCH_MX25)
+{
+ dr_phy_low_power_mode(udc_controller, true);
+}
+#endif
udc_controller->stopped = 1;
- portsc = fsl_readl(&dr_regs->portsc1);
- portsc |= PORTSCX_PHY_LOW_POWER_SPD;
- fsl_writel(portsc, &dr_regs->portsc1);
+ /* let the gadget register function open the clk */
+ dr_clk_gate(false);
- if (udc_controller->pdata->usb_clock_for_pm)
- udc_controller->pdata->usb_clock_for_pm(false);
-#endif
create_proc_file();
return 0;
@@ -2914,9 +3006,6 @@ err1a:
*/
static int __exit fsl_udc_remove(struct platform_device *pdev)
{
-#ifndef CONFIG_USB_OTG
- struct resource *res;
-#endif
struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
DECLARE_COMPLETION(done);
@@ -2925,7 +3014,8 @@ static int __exit fsl_udc_remove(struct platform_device *pdev)
return -ENODEV;
udc_controller->done = &done;
/* open USB PHY clock */
- dr_phy_low_power_mode(udc_controller, false);
+ if (udc_controller->stopped)
+ dr_clk_gate(true);
/* DR has been stopped in usb_gadget_unregister_driver() */
remove_proc_file();
@@ -2948,8 +3038,11 @@ static int __exit fsl_udc_remove(struct platform_device *pdev)
iounmap((u8 __iomem *)dr_regs);
#ifndef CONFIG_USB_OTG
+{
+ struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
release_mem_region(res->start, resource_size(res));
+}
#endif
device_unregister(&udc_controller->gadget.dev);
@@ -2963,6 +3056,8 @@ static int __exit fsl_udc_remove(struct platform_device *pdev)
if (pdata->platform_uninit)
pdata->platform_uninit(pdata);
+ if (udc_controller->stopped)
+ dr_clk_gate(false);
return 0;
}
@@ -2970,10 +3065,19 @@ static int udc_suspend(struct fsl_udc *udc)
{
u32 mode, usbcmd;
- /* open clock for register access */
- if (udc_controller->pdata->usb_clock_for_pm)
- udc_controller->pdata->usb_clock_for_pm(true);
-
+ /*
+ * When it is the PM suspend routine and the device has no
+ * abilities to wakeup system, it should not set wakeup enable.
+ * Otherwise, the system will wakeup even the user only wants to
+ * charge using usb
+ */
+ if (udc_controller->gadget.dev.parent->power.status
+ == DPM_SUSPENDING) {
+ if (!device_may_wakeup(udc_controller->gadget.dev.parent))
+ dr_wake_up_enable(udc, false);
+ else
+ dr_wake_up_enable(udc, true);
+ }
mode = fsl_readl(&dr_regs->usbmode) & USB_MODE_CTRL_MODE_MASK;
usbcmd = fsl_readl(&dr_regs->usbcmd);
@@ -2984,9 +3088,8 @@ static int udc_suspend(struct fsl_udc *udc)
* PM suspend. Remember this fact, so that we will leave the
* controller stopped at PM resume time.
*/
- if (udc->stopped) {
+ if (udc->suspended) {
pr_debug("gadget already stopped, leaving early\n");
- udc->already_stopped = 1;
goto out;
}
@@ -2995,22 +3098,30 @@ static int udc_suspend(struct fsl_udc *udc)
goto out;
}
+ /* For some buggy hardware designs, see comment of this function for detail */
+ udc_wait_b_session_low();
+
udc->stopped = 1;
- /* if the suspend is not for switch to host in otg mode */
- if ((!(udc->gadget.is_otg)) ||
- (fsl_readl(&dr_regs->otgsc) & OTGSC_STS_USB_ID)) {
- dr_wake_up_enable(udc, true);
- dr_phy_low_power_mode(udc, true);
- }
/* stop the controller */
usbcmd = fsl_readl(&dr_regs->usbcmd) & ~USB_CMD_RUN_STOP;
fsl_writel(usbcmd, &dr_regs->usbcmd);
+ /* if the suspend is not for switch to host in otg mode */
+ if ((!(udc->gadget.is_otg)) ||
+ (fsl_readl(&dr_regs->otgsc) & OTGSC_STS_USB_ID)) {
+ if (device_may_wakeup(udc_controller->gadget.dev.parent)) {
+ dr_wake_up_enable(udc, true);
+ }
+ }
+
+ dr_phy_low_power_mode(udc, true);
printk(KERN_INFO "USB Gadget suspended\n");
out:
- if (udc_controller->pdata->usb_clock_for_pm)
- udc_controller->pdata->usb_clock_for_pm(false);
+ udc->suspended++;
+ if (udc->suspended > 2)
+ printk("ERROR: suspended times > 2\n");
+
return 0;
}
@@ -3020,13 +3131,24 @@ out:
-----------------------------------------------------------------*/
static int fsl_udc_suspend(struct platform_device *pdev, pm_message_t state)
{
+ int ret;
+#ifdef CONFIG_USB_OTG
+ if (udc_controller->transceiver->gadget == NULL)
+ return 0;
+#endif
+ if (udc_controller->stopped)
+ dr_clk_gate(true);
if (((!(udc_controller->gadget.is_otg)) ||
(fsl_readl(&dr_regs->otgsc) & OTGSC_STS_USB_ID)) &&
(udc_controller->usb_state > USB_STATE_POWERED) &&
- (udc_controller->usb_state < USB_STATE_SUSPENDED))
- return -EBUSY;
+ (udc_controller->usb_state < USB_STATE_SUSPENDED)) {
+ return -EBUSY;/* keep the clk on */
+ }
+ else
+ ret = udc_suspend(udc_controller);
+ dr_clk_gate(false);
- return udc_suspend(udc_controller);
+ return ret;
}
/*-----------------------------------------------------------------
@@ -3035,30 +3157,54 @@ static int fsl_udc_suspend(struct platform_device *pdev, pm_message_t state)
*-----------------------------------------------------------------*/
static int fsl_udc_resume(struct platform_device *pdev)
{
- pr_debug("%s(): stopped %d already_stopped %d\n", __func__,
- udc_controller->stopped, udc_controller->already_stopped);
-
+ pr_debug("%s(): stopped %d suspended %d\n", __func__,
+ udc_controller->stopped, udc_controller->suspended);
+ printk("udc resume\n");
+#ifdef CONFIG_USB_OTG
+ if (udc_controller->transceiver->gadget == NULL)
+ return 0;
+#endif
+ if (udc_controller->stopped)
+ dr_clk_gate(true);
/*
* If the controller was stopped at suspend time, then
* don't resume it now.
*/
- if (udc_controller->already_stopped) {
- udc_controller->already_stopped = 0;
- pr_debug("gadget was already stopped, leaving early\n");
- return 0;
- }
+ /*
+ * If it is PM resume routine, the udc is at low power mode,
+ * and the udc has no abilities to wakeup system, it should
+ * set the abilities to wakeup itself. Otherwise, the usb
+ * subsystem will not leave from low power mode.
+ */
+ if (!device_may_wakeup(udc_controller->gadget.dev.parent) &&
+ udc_controller->gadget.dev.parent->power.status
+ == DPM_RESUMING){
+ dr_wake_up_enable(udc_controller, true);
+ }
+ if (--udc_controller->suspended) {
+ printk("gadget was already stopped, leaving early\n");
+ goto out;
+ }
/* Enable DR irq reg and set controller Run */
if (udc_controller->stopped) {
+ /* if in host mode, we need to do nothing */
+ if ((fsl_readl(&dr_regs->otgsc) & OTGSC_STS_USB_ID) == 0) {
+ goto out;
+ }
dr_wake_up_enable(udc_controller, false);
dr_phy_low_power_mode(udc_controller, false);
- mdelay(1);
-
+ mdelay(10);
dr_controller_setup(udc_controller);
dr_controller_run(udc_controller);
}
udc_controller->usb_state = USB_STATE_ATTACHED;
udc_controller->ep0_dir = 0;
+out:
+ /* if udc is resume by otg id change and no device
+ * connecting to the otg, otg will enter low power mode*/
+ if (udc_controller->stopped)
+ dr_clk_gate(false);
printk(KERN_INFO "USB Gadget resumed\n");
return 0;
diff --git a/drivers/usb/gadget/arcotg_udc.h b/drivers/usb/gadget/arcotg_udc.h
index 480d953dcf58..8d344acb8fef 100644
--- a/drivers/usb/gadget/arcotg_udc.h
+++ b/drivers/usb/gadget/arcotg_udc.h
@@ -266,6 +266,7 @@ struct usb_sys_interface {
#define PORTSCX_SPEED_BIT_POS (26)
/* OTGSC Register Bit Masks */
+#define OTGSC_ID_CHANGE_IRQ_STS (1 << 16)
#define OTGSC_B_SESSION_VALID_IRQ_EN (1 << 27)
#define OTGSC_B_SESSION_VALID_IRQ_STS (1 << 19)
#define OTGSC_B_SESSION_VALID (1 << 11)
@@ -365,6 +366,7 @@ struct usb_sys_interface {
/* PHY control0 Register Bit Masks */
#define PHY_CTRL0_CONF2 (1 << 26)
+#define PHY_CTRL0_USBEN (1 << 24) /* USB UTMI PHY Enable */
/* USB UH2 CTRL Register Bits */
#define USB_UH2_OVBWK_EN (1 << 6) /* OTG VBUS Wakeup Enable */
@@ -592,9 +594,15 @@ struct fsl_udc {
struct otg_transceiver *transceiver;
unsigned softconnect:1;
unsigned vbus_active:1;
- unsigned stopped:1;
unsigned remote_wakeup:1;
- unsigned already_stopped:1;
+ /* we must distinguish the stopped and suspended state,
+ * stopped means the udc enter lowpower mode, suspended
+ * means the udc is suspended by system pm or by otg
+ * switching to host mode.if the udc in suspended state
+ * it also in the stopped state, while if the udc in
+ * stopped state,it may not be in the suspended state*/
+ unsigned stopped:1;
+ int suspended;
struct ep_queue_head *ep_qh; /* Endpoints Queue-Head */
struct fsl_req *status_req; /* ep0 status request */
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 59e85234fa0a..2e79b8c389a4 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -236,6 +236,7 @@ static int config_buf(struct usb_configuration *config,
int len = USB_BUFSIZ - USB_DT_CONFIG_SIZE;
struct usb_function *f;
int status;
+ int interfaceCount = 0;
/* write the config descriptor */
c = buf;
@@ -266,8 +267,16 @@ static int config_buf(struct usb_configuration *config,
descriptors = f->hs_descriptors;
else
descriptors = f->descriptors;
- if (!descriptors)
+ if (f->hidden || !descriptors || descriptors[0] == NULL) {
+ for (; f != config->interface[interfaceCount];) {
+ interfaceCount++;
+ c->bNumInterfaces--;
+ }
continue;
+ }
+ for (; f != config->interface[interfaceCount];)
+ interfaceCount++;
+
status = usb_descriptor_fillbuf(next, len,
(const struct usb_descriptor_header **) descriptors);
if (status < 0)
@@ -756,11 +765,11 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
case USB_REQ_GET_CONFIGURATION:
if (ctrl->bRequestType != USB_DIR_IN)
goto unknown;
- if (cdev->config)
+ if (cdev->config) {
*(u8 *)req->buf = cdev->config->bConfigurationValue;
- else
+ value = min(w_length, (u16) 1);
+ } else
*(u8 *)req->buf = 0;
- value = min(w_length, (u16) 1);
break;
/* function drivers must handle get/set altsetting; if there's
@@ -810,6 +819,9 @@ unknown:
*/
if ((ctrl->bRequestType & USB_RECIP_MASK)
== USB_RECIP_INTERFACE) {
+ if (cdev->config == NULL)
+ return value;
+
f = cdev->config->interface[intf];
if (f && f->setup)
value = f->setup(f, ctrl);
@@ -824,6 +836,25 @@ unknown:
value = c->setup(c, ctrl);
}
+ /* If the vendor request is not processed (value < 0),
+ * call all device registered configure setup callbacks
+ * to process it.
+ * This is used to handle the following cases:
+ * - vendor request is for the device and arrives before
+ * setconfiguration.
+ * - Some devices are required to handle vendor request before
+ * setconfiguration such as MTP, USBNET.
+ */
+
+ if (value < 0) {
+ struct usb_configuration *cfg;
+
+ list_for_each_entry(cfg, &cdev->configs, list) {
+ if (cfg && cfg->setup)
+ value = cfg->setup(cfg, ctrl);
+ }
+ }
+
goto done;
}
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index 7953948bfe4a..7dd1a8bbe382 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -761,3 +761,12 @@ int __init acm_bind_config(struct usb_configuration *c, u8 port_num)
kfree(acm);
return status;
}
+
+int __init acm_function_add(struct usb_composite_dev *cdev,
+ struct usb_configuration *c)
+{
+ int ret = acm_bind_config(c, 0);
+ if (ret == 0)
+ gserial_setup(c->cdev->gadget, 1);
+ return ret;
+}
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 66105ce49672..8b0a13202573 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -728,6 +728,7 @@ struct fsg_dev {
#include "fsl_updater.h"
#endif
+static int do_set_interface(struct fsg_dev *fsg, int altsetting);
typedef void (*fsg_routine_t)(struct fsg_dev *);
static int exception_in_progress(struct fsg_dev *fsg)
@@ -1108,6 +1109,14 @@ static void fsg_disconnect(struct usb_gadget *gadget)
struct fsg_dev *fsg = get_gadget_data(gadget);
DBG(fsg, "disconnect or port reset\n");
+ /*
+ * The disconnect exception will call do_set_config, and therefore will
+ * visit controller registers. However it is a delayed event, and will be
+ * handled at another process, so the controller maybe have already close the
+ * usb clock.*/
+ if (fsg->new_config)
+ do_set_interface(fsg, -1);/* disable the interface */
+
raise_exception(fsg, FSG_STATE_DISCONNECT);
}
diff --git a/drivers/usb/gadget/fsl_updater.c b/drivers/usb/gadget/fsl_updater.c
index 8b4b54f8cca7..50acce441a90 100644
--- a/drivers/usb/gadget/fsl_updater.c
+++ b/drivers/usb/gadget/fsl_updater.c
@@ -29,6 +29,7 @@ static int utp_init(struct fsg_dev *fsg)
INIT_LIST_HEAD(&utp_context.write);
mutex_init(&utp_context.lock);
+ /* the max message is 64KB */
utp_context.buffer = vmalloc(0x10000);
if (!utp_context.buffer)
return -EIO;
@@ -63,6 +64,7 @@ static void utp_user_data_free(struct utp_user_data *uud)
kfree(uud);
}
+/* Get the number of element for list */
static u32 count_list(struct list_head *l)
{
u32 count = 0;
@@ -74,10 +76,11 @@ static u32 count_list(struct list_head *l)
return count;
}
-
+/* The routine will not go on if utp_context.queue is empty */
#define WAIT_ACTIVITY(queue) \
wait_event_interruptible(utp_context.wq, !list_empty(&utp_context.queue))
+/* Called by userspace program (uuc) */
static ssize_t utp_file_read(struct file *file,
char __user *buf,
size_t size,
@@ -109,12 +112,15 @@ static ssize_t utp_file_read(struct file *file,
"need to put %d\n", size, size_to_put);
}
+ /*
+ * The user program has already finished data process,
+ * go on getting data from the host
+ */
wake_up(&utp_context.list_full_wq);
return size_to_put;
}
-
static ssize_t utp_file_write(struct file *file, const char __user *buf,
size_t size, loff_t *off)
{
@@ -127,11 +133,13 @@ static ssize_t utp_file_write(struct file *file, const char __user *buf,
return -EACCES;
mutex_lock(&utp_context.lock);
list_add_tail(&uud->link, &utp_context.write);
+ /* Go on EXEC routine process */
wake_up(&utp_context.wq);
mutex_unlock(&utp_context.lock);
return size;
}
+/* Will be called when the host wants to get the sense data */
static int utp_get_sense(struct fsg_dev *fsg)
{
if (UTP_CTX(fsg)->processed == 0)
@@ -186,6 +194,7 @@ static int utp_do_read(struct fsg_dev *fsg, void *data, size_t size)
/* Perform the read */
pr_info("Copied to %p, %d bytes started from %d\n",
bh->buf, amount, size - amount_left);
+ /* from upt buffer to file_storeage buffer */
memcpy(bh->buf, data + size - amount_left, amount);
amount_left -= amount;
fsg->residue -= amount;
@@ -196,6 +205,7 @@ static int utp_do_read(struct fsg_dev *fsg, void *data, size_t size)
/* Send this buffer and go read some more */
bh->inreq->zero = 0;
+ /* USB Physical transfer: Data from device to host */
start_transfer(fsg, fsg->bulk_in, bh->inreq,
&bh->inreq_busy, &bh->state);
@@ -326,8 +336,8 @@ static void utp_poll(struct fsg_dev *fsg)
if (uud) {
if (uud->data.flags & UTP_FLAG_STATUS) {
- pr_debug("%s: exit with status %d\n", __func__,
- uud->data.status);
+ printk(KERN_WARNING "%s: exit with status %d\n",
+ __func__, uud->data.status);
UTP_SS_EXIT(fsg, uud->data.status);
} else {
pr_debug("%s: pass\n", __func__);
@@ -356,11 +366,16 @@ static int utp_exec(struct fsg_dev *fsg,
mutex_lock(&ctx->lock);
list_add_tail(&uud2r->link, &ctx->read);
mutex_unlock(&ctx->lock);
+ /* wake up the read routine */
wake_up(&ctx->wq);
if (command[0] == '!') /* there will be no response */
return 0;
+ /*
+ * the user program (uuc) will return utp_message
+ * and add list to write list
+ */
WAIT_ACTIVITY(write);
mutex_lock(&ctx->lock);
@@ -382,21 +397,19 @@ static int utp_exec(struct fsg_dev *fsg,
if (uud->data.flags & UTP_FLAG_DATA) {
memcpy(ctx->buffer, uud->data.data, uud->data.bufsize);
UTP_SS_SIZE(fsg, uud->data.bufsize);
- utp_user_data_free(uud);
- return 0;
- }
-
- if (uud->data.flags & UTP_FLAG_REPORT_BUSY) {
- utp_user_data_free(uud);
+ } else if (uud->data.flags & UTP_FLAG_REPORT_BUSY) {
ctx->counter = 0xFFFF;
UTP_SS_BUSY(fsg, ctx->counter);
- return 0;
+ } else if (uud->data.flags & UTP_FLAG_STATUS) {
+ printk(KERN_WARNING "%s: exit with status %d\n", __func__,
+ uud->data.status);
+ UTP_SS_EXIT(fsg, uud->data.status);
+ } else {
+ pr_debug("%s: pass\n", __func__);
+ UTP_SS_PASS(fsg);
}
-
utp_user_data_free(uud);
- UTP_SS_PASS(fsg);
-
- return -1;
+ return 0;
}
static int utp_send_status(struct fsg_dev *fsg)
@@ -470,16 +483,17 @@ static int utp_handle_message(struct fsg_dev *fsg,
case UTP_EXEC:
pr_debug("%s: EXEC\n", __func__);
data = kzalloc(fsg->data_size, GFP_KERNEL);
+ /* copy data from usb buffer to utp buffer */
utp_do_write(fsg, data, fsg->data_size);
utp_exec(fsg, data, fsg->data_size, param);
kfree(data);
break;
- case UTP_GET:
+ case UTP_GET: /* data from device to host */
pr_debug("%s: GET, %d bytes\n", __func__, fsg->data_size);
r = utp_do_read(fsg, UTP_CTX(fsg)->buffer, fsg->data_size);
UTP_SS_PASS(fsg);
break;
- case UTP_PUT:
+ case UTP_PUT: /* data from host to device */
pr_debug("%s: PUT, %d bytes\n", __func__, fsg->data_size);
uud2r = utp_user_data_alloc(fsg->data_size);
uud2r->data.bufsize = fsg->data_size;
@@ -490,6 +504,37 @@ static int utp_handle_message(struct fsg_dev *fsg,
list_add_tail(&uud2r->link, &UTP_CTX(fsg)->read);
mutex_unlock(&UTP_CTX(fsg)->lock);
wake_up(&UTP_CTX(fsg)->wq);
+ /*
+ * Return PASS or FAIL according to uuc's status
+ * Please open it if need to check uuc's status
+ * and use another version uuc
+ */
+#if 0
+ struct utp_user_data *uud = NULL;
+ struct utp_context *ctx;
+ WAIT_ACTIVITY(write);
+ ctx = UTP_CTX(fsg);
+ mutex_lock(&ctx->lock);
+
+ if (!list_empty(&ctx->write))
+ uud = list_first_entry(&ctx->write,
+ struct utp_user_data, link);
+
+ mutex_unlock(&ctx->lock);
+ if (uud) {
+ if (uud->data.flags & UTP_FLAG_STATUS) {
+ printk(KERN_WARNING "%s: exit with status %d\n",
+ __func__, uud->data.status);
+ UTP_SS_EXIT(fsg, uud->data.status);
+ } else {
+ pr_debug("%s: pass\n", __func__);
+ UTP_SS_PASS(fsg);
+ }
+ utp_user_data_free(uud);
+ } else{
+ UTP_SS_PASS(fsg);
+ }
+#endif
UTP_SS_PASS(fsg);
wait_event_interruptible(UTP_CTX(fsg)->list_full_wq,
diff --git a/drivers/usb/gadget/fsl_updater.h b/drivers/usb/gadget/fsl_updater.h
index 44329a9af58a..70e4defa1a9c 100644
--- a/drivers/usb/gadget/fsl_updater.h
+++ b/drivers/usb/gadget/fsl_updater.h
@@ -59,6 +59,7 @@ static int utp_handle_message(struct fsg_dev *fsg,
#define UTP_SS_BUSY(fsg, r) utp_set_sense(fsg, UTP_REPLY_BUSY, (u64)r)
#define UTP_SS_SIZE(fsg, r) utp_set_sense(fsg, UTP_REPLY_SIZE, (u64)r)
+/* the structure of utp message which is mapped to 16-byte SCSI CBW's CDB */
#pragma pack(1)
struct utp_msg {
u8 f0;
diff --git a/drivers/usb/host/ehci-arc.c b/drivers/usb/host/ehci-arc.c
index 21133fb8e47a..5cfcf169e7c7 100644
--- a/drivers/usb/host/ehci-arc.c
+++ b/drivers/usb/host/ehci-arc.c
@@ -23,9 +23,28 @@
#include <linux/fsl_devices.h>
#include <linux/usb/otg.h>
+#include "../core/usb.h"
#include "ehci-fsl.h"
#include <mach/fsl_usb.h>
+extern int usb_host_wakeup_irq(struct device *wkup_dev);
+extern void usb_host_set_wakeup(struct device *wkup_dev, bool para);
+static void fsl_usb_lowpower_mode(struct fsl_usb2_platform_data *pdata, bool enable)
+{
+ if (enable){
+ if (pdata->phy_lowpower_suspend)
+ pdata->phy_lowpower_suspend(true);
+ } else {
+ if (pdata->phy_lowpower_suspend)
+ pdata->phy_lowpower_suspend(false);
+ }
+}
+
+static void fsl_usb_clk_gate(struct fsl_usb2_platform_data *pdata, bool enable)
+{
+ if (pdata->usb_clock_for_pm)
+ pdata->usb_clock_for_pm(enable);
+}
#undef EHCI_PROC_PTC
#ifdef EHCI_PROC_PTC /* /proc PORTSC:PTC support */
/*
@@ -90,8 +109,39 @@ static int ehci_testmode_init(struct ehci_hcd *ehci)
#endif /* /proc PORTSC:PTC support */
-/* configure so an HC device and id are always provided */
-/* always called with process context; sleeping is OK */
+/*
+ * This irq is used to open the hw access and let usb_hcd_irq process the usb event
+ * ehci_fsl_pre_irq will be called before usb_hcd_irq
+ */
+static irqreturn_t ehci_fsl_pre_irq(int irq, void *dev)
+{
+ struct platform_device *pdev = (struct platform_device *)dev;
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ struct fsl_usb2_platform_data *pdata;
+
+ pdata = hcd->self.controller->platform_data;
+
+ /* if it is an otg module and in b device mode, we need to do noting here */
+ if (ehci->transceiver && !ehci->transceiver->default_a)
+ return IRQ_NONE;
+
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+ /* Need to open clk for accessing the register */
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, true);
+ /* if receive a remote wakeup interrrupt after suspend */
+ if (usb_host_wakeup_irq(hcd->self.controller)) {
+ printk("host wakeup event happens\n");
+ /* disable remote wake up irq */
+ usb_host_set_wakeup(hcd->self.controller, false);
+ fsl_usb_lowpower_mode(pdata, false);
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+ }else {
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, false);
+ }
+ }
+ return IRQ_NONE;
+}
/**
* usb_hcd_fsl_probe - initialize FSL-based HCDs
@@ -182,10 +232,19 @@ int usb_hcd_fsl_probe(const struct hc_driver *driver,
fsl_platform_set_host_mode(hcd);
hcd->power_budget = pdata->power_budget;
- retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+ /*
+ * The ehci_fsl_pre_irq must be registered before usb_hcd_irq, in that case
+ * it can be called before usb_hcd_irq when irq occurs
+ */
+ retval = request_irq(irq, ehci_fsl_pre_irq, IRQF_SHARED,
+ "fsl ehci pre interrupt", (void *)pdev);
if (retval != 0)
goto err4;
+ retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+ if (retval != 0)
+ goto err5;
+
fsl_platform_set_vbus_power(pdata, 1);
if (pdata->operating_mode == FSL_USB2_DR_OTG) {
@@ -199,7 +258,7 @@ int usb_hcd_fsl_probe(const struct hc_driver *driver,
if (!ehci->transceiver) {
printk(KERN_ERR "can't find transceiver\n");
retval = -ENODEV;
- goto err4;
+ goto err5;
}
retval = otg_set_host(ehci->transceiver, &ehci_to_hcd(ehci)->self);
@@ -216,7 +275,8 @@ int usb_hcd_fsl_probe(const struct hc_driver *driver,
fsl_platform_set_ahb_burst(hcd);
ehci_testmode_init(hcd_to_ehci(hcd));
return retval;
-
+err5:
+ free_irq(irq, (void *)pdev);
err4:
iounmap(hcd->regs);
err3:
@@ -231,9 +291,6 @@ err1:
return retval;
}
-/* may be called without controller electrically present */
-/* may be called with controller, bus, and devices active */
-
/**
* usb_hcd_fsl_remove - shutdown processing for FSL-based HCDs
* @dev: USB Host Controller being removed
@@ -324,6 +381,59 @@ static int ehci_fsl_reinit(struct ehci_hcd *ehci)
return 0;
}
+static int ehci_fsl_bus_suspend(struct usb_hcd *hcd)
+{
+ int ret = 0;
+ struct fsl_usb2_platform_data *pdata;
+ pdata = hcd->self.controller->platform_data;
+ pr_debug("%s, %s\n", __func__, pdata->name);
+
+ /* the host is already at low power mode */
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+ return 0;
+ }
+
+ pr_debug("%s, it is the host mode, %s\n", __func__, pdata->name);
+
+ ehci_bus_suspend(hcd);
+
+ if (pdata->platform_suspend)
+ pdata->platform_suspend(pdata);
+
+ usb_host_set_wakeup(hcd->self.controller, true);
+ fsl_usb_lowpower_mode(pdata, true);
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, false);
+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+
+ return ret;
+}
+
+static int ehci_fsl_bus_resume(struct usb_hcd *hcd)
+{
+ int ret = 0;
+ struct fsl_usb2_platform_data *pdata;
+
+ pdata = hcd->self.controller->platform_data;
+ pr_debug("%s, %s\n", __func__, pdata->name);
+
+ /* if it is a remote wakeup, it will open clock and clear PHCD automatically */
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, true);
+ usb_host_set_wakeup(hcd->self.controller, false);
+ fsl_usb_lowpower_mode(pdata, false);
+ }
+
+ if (pdata->platform_resume)
+ pdata->platform_resume(pdata);
+ ret = ehci_bus_resume(hcd);
+ if (ret)
+ return ret;
+
+ return ret;
+}
+
+
/* called during probe() after chip reset completes */
static int ehci_fsl_setup(struct usb_hcd *hcd)
{
@@ -396,8 +506,8 @@ static const struct hc_driver ehci_fsl_hc_driver = {
*/
.hub_status_data = ehci_hub_status_data,
.hub_control = ehci_hub_control,
- .bus_suspend = ehci_bus_suspend,
- .bus_resume = ehci_bus_resume,
+ .bus_suspend = ehci_fsl_bus_suspend,
+ .bus_resume = ehci_fsl_bus_resume,
.start_port_reset = ehci_start_port_reset,
.relinquish_port = ehci_relinquish_port,
.port_handed_over = ehci_port_handed_over,
@@ -438,13 +548,36 @@ static int ehci_fsl_drv_suspend(struct platform_device *pdev,
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
- u32 tmp, port_status;
+ struct usb_device *roothub = hcd->self.root_hub;
+ u32 port_status;
struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
- if (device_may_wakeup(&(pdev->dev))) {
- /* Need open clock for register access */
- if (pdata->usb_clock_for_pm)
- pdata->usb_clock_for_pm(true);
+ /* Only handles OTG mode switch event, system suspend event will be done in bus suspend */
+ if (pdev->dev.power.status == DPM_SUSPENDING){
+ pr_debug("%s, system pm event \n", __func__);
+ if (!device_may_wakeup(&(pdev->dev))){
+ /* Need open clock for register access */
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, true);
+ usb_host_set_wakeup(hcd->self.controller, false);
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, false);
+ }
+ return 0;
+ }
+ /* only the otg host can go here */
+ /* wait for all usb device on the hcd dettached */
+ while(roothub->children[0] != NULL)
+ msleep(1);
+ if ((pdata->operating_mode != FSL_USB2_MPH_HOST) && (!(hcd->state & HC_STATE_SUSPENDED)))
+ {
+ usb_lock_device(roothub);
+ usb_external_suspend_device(roothub, PMSG_USER_SUSPEND);
+ usb_unlock_device(roothub);
+ }
+
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, true);
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
}
#ifdef DEBUG
@@ -457,27 +590,9 @@ static int ehci_fsl_drv_suspend(struct platform_device *pdev,
pdata->suspended, pdata->already_suspended, mode, tmp);
#endif
- /*
- * If the controller is already suspended, then this must be a
- * PM suspend. Remember this fact, so that we will leave the
- * controller suspended at PM resume time.
- */
- if (pdata->suspended) {
- pr_debug("%s: already suspended, leaving early\n", __func__);
- pdata->already_suspended = 1;
- goto err1;
- }
-
- pr_debug("%s: suspending...\n", __func__);
-
printk(KERN_INFO "USB Host suspended\n");
port_status = ehci_readl(ehci, &ehci->regs->port_status[0]);
- pdev->dev.power.power_state = PMSG_SUSPEND;
-
- /* ignore non-host interrupts */
- clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
-
/* save EHCI registers */
pdata->pm_command = ehci_readl(ehci, &ehci->regs->command);
pdata->pm_command &= ~CMD_RUN;
@@ -496,25 +611,11 @@ static int ehci_fsl_drv_suspend(struct platform_device *pdev,
/* clear PHCD bit */
pdata->pm_portsc &= ~PORT_PHCD;
-
- pdata->suspended = 1;
-
- if (!device_may_wakeup(&(pdev->dev))) {
- /* clear PP to cut power to the port */
- tmp = ehci_readl(ehci, &ehci->regs->port_status[0]);
- tmp &= ~PORT_POWER;
- ehci_writel(ehci, tmp, &ehci->regs->port_status[0]);
- goto err1;
- }
-
- tmp = ehci_readl(ehci, &ehci->regs->port_status[0]);
-
- if (pdata->platform_suspend)
- pdata->platform_suspend(pdata);
-err1:
- if (device_may_wakeup(&(pdev->dev))) {
- if (pdata->usb_clock_for_pm)
- pdata->usb_clock_for_pm(false);
+ if (test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+ //fsl_usb_lowpower_mode(pdata ,true);
+ //usb_host_set_wakeup(hcd->self.controller, true);
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, false);
+ clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
}
return 0;
}
@@ -523,47 +624,35 @@ static int ehci_fsl_drv_resume(struct platform_device *pdev)
{
struct usb_hcd *hcd = platform_get_drvdata(pdev);
struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+ struct usb_device *roothub = hcd->self.root_hub;
u32 tmp;
struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
-
- pr_debug("%s('%s'): suspend=%d already_suspended=%d\n", __func__,
- pdata->name, pdata->suspended, pdata->already_suspended);
-
- /*
- * If the controller was already suspended at suspend time,
- * then don't resume it now.
- */
- if (pdata->already_suspended) {
- pr_debug("already suspended, leaving early\n");
- pdata->already_suspended = 0;
- return 0;
- }
-
- if (!pdata->suspended) {
- pr_debug("not suspended, leaving early\n");
+ /* Only handles OTG mode switch event */
+ if (pdev->dev.power.status == DPM_RESUMING){
+ pr_debug("%s, system pm event \n", __func__);
+ if (hcd->self.is_b_host) {
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, true);
+ }
+ usb_host_set_wakeup(hcd->self.controller, true);
+
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, false);
+ }
+ }
return 0;
}
-
- /* If hcd is resumed by non-usb wakeup events,
- * then usb clocks are still not open when come here */
- if (device_may_wakeup(&(pdev->dev))) {
- /* Need open clock for register access */
- if (pdata->usb_clock_for_pm)
- pdata->usb_clock_for_pm(true);
+ if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+ fsl_usb_clk_gate(hcd->self.controller->platform_data, true);
+ //usb_host_set_wakeup(hcd->self.controller, false);
+ //fsl_usb_lowpower_mode(pdata, false);
}
- tmp = ehci_readl(ehci, &ehci->regs->port_status[0]);
-
- pdata->suspended = 0;
-
- pr_debug("%s resuming...\n", __func__);
-
+ printk("USB Host resume ... %s\n", pdata->name);
/* set host mode */
fsl_platform_set_host_mode(hcd);
- if (pdata->platform_resume)
- pdata->platform_resume(pdata);
-
/* restore EHCI registers */
ehci_writel(ehci, pdata->pm_portsc, &ehci->regs->port_status[0]);
ehci_writel(ehci, pdata->pm_command, &ehci->regs->command);
@@ -575,32 +664,21 @@ static int ehci_fsl_drv_resume(struct platform_device *pdev)
ehci_writel(ehci, pdata->pm_configured_flag,
&ehci->regs->configured_flag);
- /* set bit should be done by wakeup irq routine if may wakeup */
- if (!device_may_wakeup(&(pdev->dev)))
- set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
- else
- while (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))
- msleep(1);
-
- pdev->dev.power.power_state = PMSG_ON;
tmp = ehci_readl(ehci, &ehci->regs->command);
tmp |= CMD_RUN;
ehci_writel(ehci, tmp, &ehci->regs->command);
- usb_hcd_resume_root_hub(hcd);
-
- printk(KERN_INFO "USB Host resumed\n");
-
- if (device_may_wakeup(&(pdev->dev))) {
- if (pdata->usb_clock_for_pm)
- pdata->usb_clock_for_pm(false);
+ if ((hcd->state & HC_STATE_SUSPENDED)){
+ usb_lock_device(roothub);
+ usb_external_resume_device(roothub, PMSG_USER_RESUME);
+ usb_unlock_device(roothub);
}
+ printk(KERN_INFO "USB Host resume ok\n");
return 0;
}
-#endif /* CONFIG_USB_OTG */
-
+#endif
MODULE_ALIAS("platform:fsl-ehci");
static struct platform_driver ehci_fsl_driver = {
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index de459bbd1eb1..44ff32306362 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -112,6 +112,7 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)
int port;
int mask;
+ printk("%s\n", __func__);
ehci_dbg(ehci, "suspend root hub\n");
if (time_before (jiffies, ehci->next_statechange))
diff --git a/drivers/usb/otg/fsl_otg.c b/drivers/usb/otg/fsl_otg.c
index b1454886fd7a..81a2985632b6 100644
--- a/drivers/usb/otg/fsl_otg.c
+++ b/drivers/usb/otg/fsl_otg.c
@@ -34,6 +34,7 @@
#include <linux/init.h>
#include <linux/reboot.h>
#include <linux/timer.h>
+#include <linux/jiffies.h>
#include <linux/list.h>
#include <linux/usb.h>
#include <linux/device.h>
@@ -41,6 +42,7 @@
#include <linux/usb/gadget.h>
#include <linux/workqueue.h>
#include <linux/time.h>
+#include <linux/usb/fsl_xcvr.h>
#include <linux/fsl_devices.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
@@ -60,6 +62,8 @@
#define DRIVER_DESC "Freescale USB OTG Driver"
#define DRIVER_INFO DRIVER_VERSION " " DRIVER_DESC
+#define TIMER_FREQ 1000 /* 100 ms*/
+#define IDLE_TIME 5000 /* 1000 ms */
MODULE_DESCRIPTION("Freescale USB OTG Transceiver Driver");
@@ -89,6 +93,13 @@ static struct fsl_otg_config fsl_otg_initdata = {
.otg_port = 1,
};
+/* the timer is used to monitor the otg loading, if idle for some times
+ * we will close the otg clk
+ */
+static unsigned long last_busy;
+static bool clk_stopped;
+static struct timer_list monitor_timer;
+
int write_ulpi(u8 addr, u8 data)
{
u32 temp;
@@ -136,17 +147,10 @@ void fsl_otg_dischrg_vbus(int on)
}
/* A-device driver vbus, controlled through PP bit in PORTSC */
-void fsl_otg_drv_vbus(int on)
+void fsl_otg_drv_vbus(struct fsl_usb2_platform_data *pdata, int on)
{
-/* if (on)
- usb_dr_regs->portsc =
- cpu_to_le32((le32_to_cpu(usb_dr_regs->portsc) &
- ~PORTSC_W1C_BITS) | PORTSC_PORT_POWER);
- else
- usb_dr_regs->portsc =
- cpu_to_le32(le32_to_cpu(usb_dr_regs->portsc) &
- ~PORTSC_W1C_BITS & ~PORTSC_PORT_POWER);
-*/
+ if (pdata->xcvr_ops && pdata->xcvr_ops->set_vbus_power)
+ pdata->xcvr_ops->set_vbus_power(pdata->xcvr_ops, pdata, on);
}
/*
@@ -395,6 +399,61 @@ int fsl_otg_tick_timer(void)
return expired;
}
+static void fsl_otg_clk_gate(bool on)
+{
+ struct device *dev = fsl_otg_dev->otg.dev;
+ struct fsl_usb2_platform_data *pdata;
+
+ if (dev) {
+ pdata = dev->platform_data;
+ if (pdata && pdata->usb_clock_for_pm)
+ pdata->usb_clock_for_pm(on);
+ }
+}
+
+static void fsl_otg_clk_ctl(void)
+{
+ if (clk_stopped){
+ fsl_otg_clk_gate(true);
+ clk_stopped = false;
+ }
+ last_busy = jiffies;
+}
+
+static void fsl_otg_loading_monitor(unsigned long data)
+{
+ unsigned long now = jiffies;
+ if (!clk_stopped){
+ if (time_after(now, last_busy + msecs_to_jiffies(IDLE_TIME))){
+ printk("otg is idle for some times,so we close the clock %x\n", le32_to_cpu(usb_dr_regs->otgsc));
+ clk_stopped = true;
+ fsl_otg_clk_gate(false);
+ printk("close otg clk ok\n");
+ }
+ }
+ mod_timer(&monitor_timer, jiffies + msecs_to_jiffies(TIMER_FREQ));
+}
+
+/**
+ * Enable vbus interrupt
+ * The otg cares USB_ID interrupt
+ * The device cares B Sesstion Valid
+ */
+static void b_session_irq_enable(bool enable)
+{
+ int osc = le32_to_cpu(usb_dr_regs->otgsc);
+ /* The other interrupts' status should not be cleared */
+ osc &= ~(OTGSC_INTSTS_USB_ID | OTGSC_INTSTS_A_VBUS_VALID
+ | OTGSC_INTSTS_A_SESSION_VALID | OTGSC_INTSTS_B_SESSION_VALID);
+ osc |= OTGSC_INTSTS_B_SESSION_VALID;
+
+ if (enable)
+ osc |= OTGSC_INTR_B_SESSION_VALID_EN;
+ else
+ osc &= ~OTGSC_INTR_B_SESSION_VALID_EN;
+ usb_dr_regs->otgsc = cpu_to_le32(osc);
+}
+
/* Reset controller, not reset the bus */
void otg_reset_controller(void)
{
@@ -438,7 +497,7 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on)
retval = host_pdrv->resume(host_pdev);
if (fsm->id) {
/* default-b */
- fsl_otg_drv_vbus(1);
+ fsl_otg_drv_vbus(dev->platform_data, 1);
/* Workaround: b_host can't driver
* vbus, but PP in PORTSC needs to
* be 1 for host to work.
@@ -463,7 +522,7 @@ int fsl_otg_start_host(struct otg_fsm *fsm, int on)
otg_suspend_state);
if (fsm->id)
/* default-b */
- fsl_otg_drv_vbus(0);
+ fsl_otg_drv_vbus(dev->platform_data, 0);
}
otg_dev->host_working = 0;
}
@@ -481,7 +540,6 @@ int fsl_otg_start_gadget(struct otg_fsm *fsm, int on)
struct device *dev;
struct platform_driver *gadget_pdrv;
struct platform_device *gadget_pdev;
-
if (!xceiv->gadget || !xceiv->gadget->dev.parent)
return -ENODEV;
@@ -517,7 +575,6 @@ static int fsl_otg_set_host(struct otg_transceiver *otg_p, struct usb_bus *host)
if (host) {
VDBG("host off......\n");
-
otg_p->host->otg_port = fsl_otg_initdata.otg_port;
otg_p->host->is_b_host = otg_dev->fsm.id;
/* must leave time for khubd to finish its thing
@@ -634,11 +691,29 @@ static void fsl_otg_event(struct work_struct *work)
{
struct fsl_otg *og = container_of(work, struct fsl_otg, otg_event.work);
struct otg_fsm *fsm = &og->fsm;
+ struct otg_transceiver *otg = &og->otg;
+
+ otg->default_a = (fsm->id == 0);
+ /* clear conn information */
+ if (fsm->id)
+ fsm->b_conn = 0;
+ else
+ fsm->a_conn = 0;
+
+ if (otg->host)
+ otg->host->is_b_host = fsm->id;
+ if (otg->gadget)
+ otg->gadget->is_a_peripheral = !fsm->id;
if (fsm->id) { /* switch to gadget */
+ b_session_irq_enable(true);
fsl_otg_start_host(fsm, 0);
otg_drv_vbus(fsm, 0);
fsl_otg_start_gadget(fsm, 1);
+ }else { /* switch to host */
+ fsl_otg_start_gadget(fsm, 0);
+ otg_drv_vbus(fsm, 1);
+ fsl_otg_start_host(fsm, 1);
}
}
@@ -678,12 +753,13 @@ irqreturn_t fsl_otg_isr_gpio(int irq, void *dev_id)
struct otg_fsm *fsm;
struct fsl_usb2_platform_data *pdata =
(struct fsl_usb2_platform_data *)dev_id;
- struct fsl_otg *p_otg;
+ struct fsl_otg *f_otg;
struct otg_transceiver *otg_trans = otg_get_transceiver();
- p_otg = container_of(otg_trans, struct fsl_otg, otg);
- fsm = &p_otg->fsm;
int value;
+ f_otg = container_of(otg_trans, struct fsl_otg, otg);
+ fsm = &f_otg->fsm;
+ fsl_otg_clk_ctl();
if (pdata->id_gpio == 0)
return IRQ_NONE;
@@ -695,35 +771,25 @@ irqreturn_t fsl_otg_isr_gpio(int irq, void *dev_id)
set_irq_type(gpio_to_irq(pdata->id_gpio), IRQ_TYPE_LEVEL_HIGH);
- if (value == p_otg->fsm.id)
+ if (value == f_otg->fsm.id)
return IRQ_HANDLED;
- p_otg->fsm.id = value;
-
- otg_trans->default_a = (fsm->id == 0);
- /* clear conn information */
- if (fsm->id)
- fsm->b_conn = 0;
- else
- fsm->a_conn = 0;
-
- if (otg_trans->host)
- otg_trans->host->is_b_host = fsm->id;
- if (otg_trans->gadget)
- otg_trans->gadget->is_a_peripheral = !fsm->id;
-
- VDBG("ID int (ID is %d)\n", fsm->id);
- if (fsm->id) { /* switch to gadget */
- schedule_delayed_work(&p_otg->otg_event, 100);
+ f_otg->fsm.id = value;
- } else { /* switch to host */
- cancel_delayed_work(&p_otg->otg_event);
- fsl_otg_start_gadget(fsm, 0);
- otg_drv_vbus(fsm, 1);
- fsl_otg_start_host(fsm, 1);
+ cancel_delayed_work(&f_otg->otg_event);
+ schedule_delayed_work(&f_otg->otg_event, msecs_to_jiffies(10));
+ /* if host mode, we should clear B_SESSION_VLD event and disable
+ * B_SESSION_VLD irq
+ */
+ if (!f_otg->fsm.id) {
+ b_session_irq_enable(false);
+ }else {
+ //b_session_irq_enable(true);
}
+
return IRQ_HANDLED;
}
+
/* Interrupt handler. OTG/host/peripheral share the same int line.
* OTG driver clears OTGSC interrupts and leaves USB interrupts
* intact. It needs to have knowledge of some USB interrupts
@@ -731,60 +797,70 @@ irqreturn_t fsl_otg_isr_gpio(int irq, void *dev_id)
*/
irqreturn_t fsl_otg_isr(int irq, void *dev_id)
{
- struct otg_fsm *fsm = &((struct fsl_otg *)dev_id)->fsm;
- struct otg_transceiver *otg = &((struct fsl_otg *)dev_id)->otg;
+ struct fsl_otg *fotg = (struct fsl_otg *)dev_id;
+ struct otg_transceiver *otg = &fotg->otg;
u32 otg_int_src, otg_sc;
+ irqreturn_t ret = IRQ_NONE;
+ fsl_otg_clk_ctl();
otg_sc = le32_to_cpu(usb_dr_regs->otgsc);
otg_int_src = otg_sc & OTGSC_INTSTS_MASK & (otg_sc >> 8);
- /* Only clear otg interrupts */
- usb_dr_regs->otgsc |= cpu_to_le32(otg_sc & OTGSC_INTSTS_MASK);
+ /* Only clear otg interrupts, expect B_SESSION_VALID,
+ * Leave it to be handled by arcotg_udc */
+ usb_dr_regs->otgsc = ((usb_dr_regs->otgsc | cpu_to_le32(otg_sc & OTGSC_INTSTS_MASK))&
+ (~OTGSC_INTSTS_B_SESSION_VALID));
/*FIXME: ID change not generate when init to 0 */
- fsm->id = (otg_sc & OTGSC_STS_USB_ID) ? 1 : 0;
- otg->default_a = (fsm->id == 0);
+ fotg->fsm.id = (otg_sc & OTGSC_STS_USB_ID) ? 1 : 0;
+ otg->default_a = (fotg->fsm.id == 0);
/* process OTG interrupts */
if (otg_int_src) {
if (otg_int_src & OTGSC_INTSTS_USB_ID) {
- fsm->id = (otg_sc & OTGSC_STS_USB_ID) ? 1 : 0;
- otg->default_a = (fsm->id == 0);
- /* clear conn information */
- if (fsm->id)
- fsm->b_conn = 0;
- else
- fsm->a_conn = 0;
-
- if (otg->host)
- otg->host->is_b_host = fsm->id;
- if (otg->gadget)
- otg->gadget->is_a_peripheral = !fsm->id;
- VDBG("ID int (ID is %d)\n", fsm->id);
-
- if (fsm->id) { /* switch to gadget */
- schedule_delayed_work(&((struct fsl_otg *)
- dev_id)->otg_event,
- 100);
- } else { /* switch to host */
- cancel_delayed_work(&
- ((struct fsl_otg *)dev_id)->
- otg_event);
- fsl_otg_start_gadget(fsm, 0);
- otg_drv_vbus(fsm, 1);
- fsl_otg_start_host(fsm, 1);
+ fotg->fsm.id = (otg_sc & OTGSC_STS_USB_ID) ? 1 : 0;
+
+ printk("ID int (ID is %d)\n", fotg->fsm.id);
+
+ cancel_delayed_work(&fotg->otg_event);
+ schedule_delayed_work(&fotg->otg_event, msecs_to_jiffies(10));
+ /* if host mode, we should clear B_SESSION_VLD event and disable
+ * B_SESSION_VLD irq
+ */
+ if (!fotg->fsm.id) {
+ b_session_irq_enable(false);
+ }else {
+ //b_session_irq_enable(true);
}
-
- return IRQ_HANDLED;
+ ret = IRQ_HANDLED;
}
}
- return IRQ_NONE;
+ return ret;
+}
+
+static void fsl_otg_fsm_drv_vbus(int on)
+{
+ struct otg_fsm *fsm = &(fsl_otg_dev->fsm);
+ struct otg_transceiver *xceiv = fsm->transceiver;
+
+ struct device *dev;
+ /*
+ * The host is assigned at otg_set_host
+ */
+ if (!xceiv->host)
+ return;
+ /*
+ * The dev is assigned at usb_create_hcd which is called earlier
+ * than otg_set_host at host driver's probe
+ */
+ dev = xceiv->host->controller;
+ fsl_otg_drv_vbus(dev->platform_data, on);
}
static struct otg_fsm_ops fsl_otg_ops = {
.chrg_vbus = fsl_otg_chrg_vbus,
- .drv_vbus = fsl_otg_drv_vbus,
+ .drv_vbus = fsl_otg_fsm_drv_vbus,
.loc_conn = fsl_otg_loc_conn,
.loc_sof = fsl_otg_loc_sof,
.start_pulse = fsl_otg_start_pulse,
@@ -837,6 +913,7 @@ static int fsl_otg_conf(struct platform_device *pdev)
fsl_otg_tc->otg.set_power = fsl_otg_set_power;
fsl_otg_tc->otg.start_hnp = fsl_otg_start_hnp;
fsl_otg_tc->otg.start_srp = fsl_otg_start_srp;
+ fsl_otg_tc->otg.dev = &pdev->dev;
fsl_otg_dev = fsl_otg_tc;
@@ -903,6 +980,8 @@ int usb_otg_start(struct platform_device *pdev)
if (pdata->platform_init && pdata->platform_init(pdev) != 0)
return -EINVAL;
+ clk_stopped = false; /* platform_init will open the otg clk */
+
/* stop the controller */
temp = readl(&p_otg->dr_mem_map->usbcmd);
temp &= ~USB_CMD_RUN_STOP;
@@ -1229,6 +1308,10 @@ static int __init fsl_otg_probe(struct platform_device *pdev)
return -EIO;
}
+ last_busy = jiffies;
+ setup_timer(&monitor_timer, fsl_otg_loading_monitor, (unsigned long)pdev);
+ mod_timer(&monitor_timer, jiffies + msecs_to_jiffies(TIMER_FREQ));
+
create_proc_file();
return status;
}
diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c
index 34e4e7995169..9c4739c8b19c 100644
--- a/drivers/video/modedb.c
+++ b/drivers/video/modedb.c
@@ -35,6 +35,11 @@ EXPORT_SYMBOL_GPL(fb_mode_option);
*/
static const struct fb_videomode modedb[] = {
+ {
+ /* 800x480 @ 60 Hz, 31.5 kHz hsync */
+ "LQ070Y3DG3B", 60, 800, 480, 44000, 0, 50, 25, 10, 128, 10,
+ FB_SYNC_EXT,FB_VMODE_NONINTERLACED
+ },
{
/* 640x400 @ 70 Hz, 31.5 kHz hsync */
NULL, 70, 640, 400, 39721, 40, 24, 39, 9, 96, 2,
diff --git a/drivers/video/mxc/Kconfig b/drivers/video/mxc/Kconfig
index 268879626fc2..42f990ac3499 100644
--- a/drivers/video/mxc/Kconfig
+++ b/drivers/video/mxc/Kconfig
@@ -26,12 +26,21 @@ config FB_MXC_EPSON_VGA_SYNC_PANEL
config FB_MXC_TVOUT_TVE
tristate "MXC TVE TV Out Encoder"
- depends on FB_MXC_SYNC_PANEL
- depends on MXC_IPU_V3
+ depends on FB_MXC_SYNC_PANEL
+ depends on MXC_IPU_V3
+
+config FB_MXC_LDB
+ tristate "MXC LDB"
+ depends on FB_MXC_SYNC_PANEL
+ depends on MXC_IPU_V3
config FB_MXC_CLAA_WVGA_SYNC_PANEL
+ depends on FB_MXC_SYNC_PANEL
+ tristate "CLAA WVGA Panel"
+
+config FB_MXC_SII9022
depends on FB_MXC_SYNC_PANEL
- tristate "CLAA WVGA Panel"
+ tristate "Si Image SII9022 DVI/HDMI Interface Chip"
config FB_MXC_CH7026
depends on FB_MXC_SYNC_PANEL
@@ -43,12 +52,21 @@ config FB_MXC_TVOUT_CH7024
config FB_MXC_LOW_PWR_DISPLAY
bool "Low Power Display Refresh Mode"
- depends on FB_MXC_SYNC_PANEL && MXC_FB_IRAM
- default y
+ depends on FB_MXC_SYNC_PANEL && MXC_FB_IRAM
+ default y
+
+config VIDEO_AD9389
+ tristate "Analog Devices AD9389/AD9889 digital video encoders"
+ depends on I2C && FB_MXC_SYNC_PANEL
+ ---help---
+ Support for the AD9389/AD9889 HDMI/DVI Video transmiter.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ad9389.
config FB_MXC_INTERNAL_MEM
- bool "Framebuffer in Internal RAM"
- depends on FB_MXC_SYNC_PANEL && MXC_FB_IRAM
+ bool "Framebuffer in Internal RAM"
+ depends on FB_MXC_SYNC_PANEL && MXC_FB_IRAM
default y
config FB_MXC_ASYNC_PANEL
@@ -66,9 +84,24 @@ config FB_MXC_EPSON_PANEL
endmenu
+config FB_MXC_EINK_PANEL
+ depends on FB_MXC
+ depends on DMA_ENGINE
+ select FB_DEFERRED_IO
+ tristate "E-Ink Panel Framebuffer"
+
+config FB_MXC_EINK_AUTO_UPDATE_MODE
+ bool "E-Ink Auto-update Mode Support"
+ default n
+ depends on FB_MXC_EINK_PANEL
+
+config FB_MXC_ELCDIF_FB
+ depends on FB && ARCH_MXC
+ tristate "Support MXC ELCDIF framebuffer"
+
choice
- prompt "Async Panel Interface Type"
- depends on FB_MXC_ASYNC_PANEL && FB_MXC
+ prompt "Async Panel Interface Type"
+ depends on FB_MXC_ASYNC_PANEL && FB_MXC
default FB_MXC_ASYNC_PANEL_IFC_16_BIT
config FB_MXC_ASYNC_PANEL_IFC_8_BIT
diff --git a/drivers/video/mxc/Makefile b/drivers/video/mxc/Makefile
index d2454aac2604..d823ab29f030 100644
--- a/drivers/video/mxc/Makefile
+++ b/drivers/video/mxc/Makefile
@@ -18,5 +18,7 @@ obj-$(CONFIG_FB_MXC_EPSON_VGA_SYNC_PANEL) += mxcfb_epson_vga.o
obj-$(CONFIG_FB_MXC_CLAA_WVGA_SYNC_PANEL) += mxcfb_claa_wvga.o
obj-$(CONFIG_FB_MXC_TVOUT_CH7024) += ch7024.o
obj-$(CONFIG_FB_MXC_TVOUT_TVE) += tve.o
-obj-$(CONFIG_FB_MXC_CH7026) += mxcfb_ch7026.o
-#obj-$(CONFIG_FB_MODE_HELPERS) += mxc_edid.o
+obj-$(CONFIG_FB_MXC_CH7026) += mxcfb_ch7026.o
+#obj-$(CONFIG_FB_MODE_HELPERS) += mxc_edid.o
+obj-$(CONFIG_VIDEO_AD9389) += ad9389.o
+obj-$(CONFIG_FB_MXC_SII9022) += mxcfb_sii9022.o
diff --git a/drivers/video/mxc/ccwmx51_display.c b/drivers/video/mxc/ccwmx51_display.c
index 70a5b25f3fe9..212f59e919e4 100755
--- a/drivers/video/mxc/ccwmx51_display.c
+++ b/drivers/video/mxc/ccwmx51_display.c
@@ -22,23 +22,37 @@
#include <mach/hardware.h>
#include <mach/mxc.h>
+#define MAX_DISPLAYS 2
+#define DISP0_ID "DISP3 BG"
+#define DISP1_ID "DISP3 BG - DI1"
+
static void lcd_poweron(struct ccwmx51_lcd_pdata *plat);
static void lcd_poweroff(struct ccwmx51_lcd_pdata *plat);
-static struct platform_device *plcd_dev;
+static struct platform_device *plcd_dev[MAX_DISPLAYS] = {NULL, NULL};
+
+static int lcd_get_index(struct fb_info *info)
+{
+ if (!strcmp(info->fix.id, DISP0_ID))
+ return 0;
+ else if (!strcmp(info->fix.id, DISP1_ID))
+ return 1;
+ return -1;
+}
static void lcd_init_fb(struct fb_info *info)
{
- struct ccwmx51_lcd_pdata *plat = plcd_dev->dev.platform_data;
struct fb_var_screeninfo var;
+ struct ccwmx51_lcd_pdata *plat;
+ int i = lcd_get_index(info);
- memset(&var, 0, sizeof(var));
+ if (i < 0)
+ return;
+ plat = plcd_dev[i]->dev.platform_data;
+ memset(&var, 0, sizeof(var));
fb_videomode_to_var(&var, plat->fb_pdata.mode);
-
var.activate = FB_ACTIVATE_ALL;
- var.yres_virtual = var.yres;
-
acquire_console_sem();
info->flags |= FBINFO_MISC_USEREVENT;
fb_set_var(info, &var);
@@ -74,18 +88,37 @@ static struct notifier_block nb = {
static int __devinit lcd_sync_probe(struct platform_device *pdev)
{
struct ccwmx51_lcd_pdata *plat = pdev->dev.platform_data;
+ int i;
+
+ if (!plat)
+ return -ENODEV;
- if (!plat)
- return -ENODEV;
+ if (plat->vif < 0 || plat->vif > (MAX_DISPLAYS - 1))
+ return -EINVAL;
- if (plat->reset)
- plat->reset();
+ if (plat->init)
+ plat->init(plat->vif);
- plcd_dev = pdev;
- lcd_init_fb(registered_fb[plat->vif]);
- fb_show_logo(registered_fb[plat->vif], 0);
- fb_register_client(&nb);
+ plcd_dev[plat->vif] = pdev;
+ for (i = 0; i < num_registered_fb; i++) {
+ if ((!strcmp(registered_fb[i]->fix.id, DISP0_ID) && plat->vif == 0) ||
+ (!strcmp(registered_fb[i]->fix.id, DISP1_ID) && plat->vif == 1)) {
+ lcd_init_fb(registered_fb[i]);
+ /* Clear the screen */
+ memset((char *)registered_fb[i]->screen_base, 0,
+ registered_fb[i]->fix.smem_len);
+ fb_show_logo(registered_fb[i], 0);
+ }
+ }
+
+ /**
+ * Register the block notifier only once. The device being notified can be
+ * retrieved from the received event. There are some issues when the same
+ * notifier is registered multiple times.
+ */
+ if (plcd_dev[0] == NULL && plcd_dev[1] == NULL)
+ fb_register_client(&nb);
lcd_poweron(plat);
return 0;
@@ -95,9 +128,14 @@ static int __devexit lcd_sync_remove(struct platform_device *pdev)
{
struct ccwmx51_lcd_pdata *plat = pdev->dev.platform_data;
- fb_unregister_client(&nb);
lcd_poweroff(plat);
- plcd_dev = NULL;
+ if (plat->deinit)
+ plat->deinit(plat->vif);
+
+ plcd_dev[plat->vif] = NULL;
+
+ if (plcd_dev[0] == NULL && plcd_dev[1] == NULL)
+ fb_unregister_client(&nb);
return 0;
}
@@ -129,14 +167,14 @@ static struct platform_driver lcd_driver = {
static void lcd_poweron(struct ccwmx51_lcd_pdata *plat)
{
- if (plat && plat->bl_enable)
- plat->bl_enable(0);
+ if (plat && plat->bl_enable)
+ plat->bl_enable(1, plat->vif);
}
static void lcd_poweroff(struct ccwmx51_lcd_pdata *plat)
{
- if (plat && plat->bl_enable)
- plat->bl_enable(1);
+ if (plat && plat->bl_enable)
+ plat->bl_enable(0, plat->vif);
}
static int __init lcd_sync_init(void)
diff --git a/drivers/video/mxc/mxc_ipuv3_fb.c b/drivers/video/mxc/mxc_ipuv3_fb.c
index 76c6d523c291..cc48e62637ca 100644
--- a/drivers/video/mxc/mxc_ipuv3_fb.c
+++ b/drivers/video/mxc/mxc_ipuv3_fb.c
@@ -22,7 +22,6 @@
*
* @ingroup Framebuffer
*/
-
/*!
* Include files
*/
@@ -44,9 +43,13 @@
#include <linux/io.h>
#include <linux/ipu.h>
#include <linux/mxcfb.h>
+#include <linux/earlysuspend.h>
#include <asm/mach-types.h>
#include <asm/uaccess.h>
#include <mach/hardware.h>
+#include <linux/suspend.h>
+
+static int vt_switch;
/*
* Driver name
@@ -56,11 +59,14 @@
* Structure containing the MXC specific framebuffer information.
*/
struct mxcfb_info {
+ char *fb_mode_str;
+ int default_bpp;
int cur_blank;
int next_blank;
ipu_channel_t ipu_ch;
int ipu_di;
u32 ipu_di_pix_fmt;
+ bool ipu_ext_clk;
bool overlay;
bool alpha_chan_en;
dma_addr_t alpha_phy_addr0;
@@ -74,6 +80,8 @@ struct mxcfb_info {
u32 pseudo_palette[16];
+ bool wait4vsync;
+ uint32_t waitcnt;
struct semaphore flip_sem;
struct semaphore alpha_flip_sem;
struct completion vsync_complete;
@@ -93,12 +101,10 @@ enum {
BOTH_OFF
};
-static char *fb_mode;
-static unsigned long default_bpp = 16;
+#define FB_DEVICE_NUM 3
static bool g_dp_in_use;
LIST_HEAD(fb_alloc_list);
-static struct fb_info *mxcfb_info[3];
-static int ext_clk_used;
+static struct fb_info *mxcfb_info[FB_DEVICE_NUM];
static uint32_t bpp_to_pixfmt(struct fb_info *fbi)
{
@@ -125,6 +131,7 @@ static irqreturn_t mxcfb_irq_handler(int irq, void *dev_id);
static int mxcfb_blank(int blank, struct fb_info *info);
static int mxcfb_map_video_memory(struct fb_info *fbi);
static int mxcfb_unmap_video_memory(struct fb_info *fbi);
+static int mxcfb_option_setup(struct fb_info *info, char *options);
/*
* Set fixed framebuffer parameters based on variable settings.
@@ -165,30 +172,42 @@ static int _setup_disp_channel1(struct fb_info *fbi)
for (i = 0; i < num_registered_fb; i++) {
mxc_fbi_tmp = (struct mxcfb_info *)
- (registered_fb[i]->par);
+ (registered_fb[i]->par);
if (mxc_fbi_tmp->ipu_ch == MEM_BG_SYNC) {
- fbi->var.vmode =
- registered_fb[i]->var.vmode;
+ fbi->var.vmode = registered_fb[i]->var.vmode;
mxc_fbi->ipu_di_pix_fmt =
- mxc_fbi_tmp->ipu_di_pix_fmt;
+ mxc_fbi_tmp->ipu_di_pix_fmt;
break;
}
}
}
- if (fbi->var.vmode & FB_VMODE_INTERLACED) {
- params.mem_dp_bg_sync.interlaced = true;
- params.mem_dp_bg_sync.out_pixel_fmt =
- IPU_PIX_FMT_YUV444;
+ if (mxc_fbi->ipu_ch == MEM_DC_SYNC) {
+ if (fbi->var.vmode & FB_VMODE_INTERLACED) {
+ params.mem_dc_sync.interlaced = true;
+ params.mem_dc_sync.out_pixel_fmt =
+ IPU_PIX_FMT_YUV444;
+ } else {
+ if (mxc_fbi->ipu_di_pix_fmt)
+ params.mem_dc_sync.out_pixel_fmt = mxc_fbi->ipu_di_pix_fmt;
+ else
+ params.mem_dc_sync.out_pixel_fmt = IPU_PIX_FMT_RGB666;
+ }
+ params.mem_dc_sync.in_pixel_fmt = bpp_to_pixfmt(fbi);
} else {
- if (mxc_fbi->ipu_di_pix_fmt)
- params.mem_dp_bg_sync.out_pixel_fmt = mxc_fbi->ipu_di_pix_fmt;
- else
- params.mem_dp_bg_sync.out_pixel_fmt = IPU_PIX_FMT_RGB666;
+ if (fbi->var.vmode & FB_VMODE_INTERLACED) {
+ params.mem_dp_bg_sync.interlaced = true;
+ params.mem_dp_bg_sync.out_pixel_fmt =
+ IPU_PIX_FMT_YUV444;
+ } else {
+ if (mxc_fbi->ipu_di_pix_fmt)
+ params.mem_dp_bg_sync.out_pixel_fmt = mxc_fbi->ipu_di_pix_fmt;
+ else
+ params.mem_dp_bg_sync.out_pixel_fmt = IPU_PIX_FMT_RGB666;
+ }
+ params.mem_dp_bg_sync.in_pixel_fmt = bpp_to_pixfmt(fbi);
+ if (mxc_fbi->alpha_chan_en)
+ params.mem_dp_bg_sync.alpha_chan_en = true;
}
- params.mem_dp_bg_sync.in_pixel_fmt = bpp_to_pixfmt(fbi);
- if (mxc_fbi->alpha_chan_en)
- params.mem_dp_bg_sync.alpha_chan_en = true;
-
ipu_init_channel(mxc_fbi->ipu_ch, &params);
return 0;
@@ -201,10 +220,12 @@ static int _setup_disp_channel2(struct fb_info *fbi)
int fb_stride;
switch (bpp_to_pixfmt(fbi)) {
- case V4L2_PIX_FMT_YUV420:
- case V4L2_PIX_FMT_YVU420:
- case V4L2_PIX_FMT_NV12:
- case V4L2_PIX_FMT_YUV422P:
+ case IPU_PIX_FMT_YUV420P2:
+ case IPU_PIX_FMT_YVU420P:
+ case IPU_PIX_FMT_NV12:
+ case IPU_PIX_FMT_YUV422P:
+ case IPU_PIX_FMT_YVU422P:
+ case IPU_PIX_FMT_YUV420P:
fb_stride = fbi->var.xres_virtual;
break;
default:
@@ -212,7 +233,7 @@ static int _setup_disp_channel2(struct fb_info *fbi)
}
mxc_fbi->cur_ipu_buf = 1;
- sema_init(&mxc_fbi->flip_sem, 1);
+ sema_init(&mxc_fbi->flip_sem, 0);
if (mxc_fbi->alpha_chan_en) {
mxc_fbi->cur_ipu_alpha_buf = 1;
sema_init(&mxc_fbi->alpha_flip_sem, 1);
@@ -226,8 +247,7 @@ static int _setup_disp_channel2(struct fb_info *fbi)
IPU_ROTATE_NONE,
fbi->fix.smem_start +
(fbi->fix.line_length * fbi->var.yres),
- fbi->fix.smem_start,
- 0, 0);
+ fbi->fix.smem_start, 0, 0);
if (retval) {
dev_err(fbi->device,
"ipu_init_channel_buffer error %d\n", retval);
@@ -297,38 +317,47 @@ static int mxcfb_set_par(struct fb_info *fbi)
mxc_fbi->alpha_phy_addr1);
mxc_fbi->alpha_virt_addr0 =
- dma_alloc_coherent(fbi->device,
- alpha_mem_len,
- &mxc_fbi->alpha_phy_addr0,
- GFP_DMA | GFP_KERNEL);
+ dma_alloc_coherent(fbi->device,
+ alpha_mem_len,
+ &mxc_fbi->alpha_phy_addr0,
+ GFP_DMA | GFP_KERNEL);
mxc_fbi->alpha_virt_addr1 =
- dma_alloc_coherent(fbi->device,
- alpha_mem_len,
- &mxc_fbi->alpha_phy_addr1,
- GFP_DMA | GFP_KERNEL);
+ dma_alloc_coherent(fbi->device,
+ alpha_mem_len,
+ &mxc_fbi->alpha_phy_addr1,
+ GFP_DMA | GFP_KERNEL);
if (mxc_fbi->alpha_virt_addr0 == NULL ||
mxc_fbi->alpha_virt_addr1 == NULL) {
dev_err(fbi->device, "mxcfb: dma alloc for"
" alpha buffer failed.\n");
if (mxc_fbi->alpha_virt_addr0)
dma_free_coherent(fbi->device,
- mxc_fbi->alpha_mem_len,
- mxc_fbi->alpha_virt_addr0,
- mxc_fbi->alpha_phy_addr0);
+ mxc_fbi->
+ alpha_mem_len,
+ mxc_fbi->
+ alpha_virt_addr0,
+ mxc_fbi->
+ alpha_phy_addr0);
if (mxc_fbi->alpha_virt_addr1)
dma_free_coherent(fbi->device,
- mxc_fbi->alpha_mem_len,
- mxc_fbi->alpha_virt_addr1,
- mxc_fbi->alpha_phy_addr1);
+ mxc_fbi->
+ alpha_mem_len,
+ mxc_fbi->
+ alpha_virt_addr1,
+ mxc_fbi->
+ alpha_phy_addr1);
return -ENOMEM;
}
mxc_fbi->alpha_mem_len = alpha_mem_len;
}
}
+#if !(defined(CONFIG_CCWMX51_DISP0) && defined(CONFIG_CCWMX51_DISP1))
+ /* FIXME this lines of code doesnt allow to run the dual head... */
if (mxc_fbi->next_blank != FB_BLANK_UNBLANK)
return retval;
+#endif
_setup_disp_channel1(fbi);
@@ -345,9 +374,9 @@ static int mxcfb_set_par(struct fb_info *fbi)
else
out_pixel_fmt = IPU_PIX_FMT_RGB666;
}
- if (fbi->var.vmode & FB_VMODE_ODD_FLD_FIRST) /* PAL */
+ if (fbi->var.vmode & FB_VMODE_ODD_FLD_FIRST) /* PAL */
sig_cfg.odd_field_first = true;
- if ((fbi->var.sync & FB_SYNC_EXT) || ext_clk_used)
+ if ((fbi->var.sync & FB_SYNC_EXT) || mxc_fbi->ipu_ext_clk)
sig_cfg.ext_clk = true;
if (fbi->var.sync & FB_SYNC_HOR_HIGH_ACT)
sig_cfg.Hsync_pol = true;
@@ -453,8 +482,7 @@ static int swap_channels(struct fb_info *fbi)
ch_to = MEM_BG_SYNC;
for (i = 0; i < num_registered_fb; i++) {
- mxc_fbi_to =
- (struct mxcfb_info *)mxcfb_info[i]->par;
+ mxc_fbi_to = (struct mxcfb_info *)mxcfb_info[i]->par;
if (mxc_fbi_to->ipu_ch == ch_to) {
fbi_to = mxcfb_info[i];
break;
@@ -519,14 +547,14 @@ static int swap_channels(struct fb_info *fbi)
}
if (ipu_request_irq(mxc_fbi_from->ipu_ch_irq, mxcfb_irq_handler, 0,
- MXCFB_NAME, fbi) != 0) {
+ MXCFB_NAME, fbi) != 0) {
dev_err(fbi->device, "Error registering irq %d\n",
mxc_fbi_from->ipu_ch_irq);
return -EBUSY;
}
ipu_disable_irq(mxc_fbi_from->ipu_ch_irq);
if (ipu_request_irq(mxc_fbi_to->ipu_ch_irq, mxcfb_irq_handler, 0,
- MXCFB_NAME, fbi_to) != 0) {
+ MXCFB_NAME, fbi_to) != 0) {
dev_err(fbi_to->device, "Error registering irq %d\n",
mxc_fbi_to->ipu_ch_irq);
return -EBUSY;
@@ -545,17 +573,48 @@ static int swap_channels(struct fb_info *fbi)
*/
static int mxcfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
{
+ struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)info->par;
u32 vtotal;
u32 htotal;
+ /* fg should not bigger than bg */
+ if (mxc_fbi->ipu_ch == MEM_FG_SYNC) {
+ struct fb_info *fbi_tmp;
+ struct mxcfb_info *mxc_fbi_tmp;
+ int i, bg_xres, bg_yres;
+ int16_t pos_x, pos_y;
+
+ bg_xres = var->xres;
+ bg_yres = var->yres;
+
+ for (i = 0; i < num_registered_fb; i++) {
+ fbi_tmp = registered_fb[i];
+ mxc_fbi_tmp = (struct mxcfb_info *)
+ (fbi_tmp->par);
+ if (mxc_fbi_tmp->ipu_ch == MEM_BG_SYNC) {
+ bg_xres = fbi_tmp->var.xres;
+ bg_yres = fbi_tmp->var.yres;
+ break;
+ }
+ }
+
+ ipu_disp_get_window_pos(mxc_fbi->ipu_ch, &pos_x, &pos_y);
+
+ if ((var->xres + pos_x) > bg_xres)
+ var->xres = bg_xres - pos_x;
+ if ((var->yres + pos_y) > bg_yres)
+ var->yres = bg_yres - pos_y;
+ }
+
if (var->xres_virtual < var->xres)
var->xres_virtual = var->xres;
if (var->yres_virtual < var->yres)
var->yres_virtual = var->yres;
if ((var->bits_per_pixel != 32) && (var->bits_per_pixel != 24) &&
- (var->bits_per_pixel != 16) && (var->bits_per_pixel != 8))
- var->bits_per_pixel = default_bpp;
+ (var->bits_per_pixel != 16) && (var->bits_per_pixel != 12) &&
+ (var->bits_per_pixel != 8))
+ var->bits_per_pixel = mxc_fbi->default_bpp;
switch (var->bits_per_pixel) {
case 8:
@@ -723,7 +782,7 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
}
if (ipu_disp_set_global_alpha(mxc_fbi->ipu_ch,
- (bool)ga.enable,
+ (bool) ga.enable,
ga.alpha)) {
retval = -EINVAL;
break;
@@ -750,7 +809,7 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
}
if (ipu_disp_set_global_alpha(mxc_fbi->ipu_ch,
- !(bool)la.enable, 0)) {
+ !(bool) la.enable, 0)) {
retval = -EINVAL;
break;
}
@@ -765,8 +824,11 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
for (i = 0; i < num_registered_fb; i++) {
char *idstr = registered_fb[i]->fix.id;
- if (strcmp(idstr, video_plane_idstr) == 0) {
- ((struct mxcfb_info *)(registered_fb[i]->par))->alpha_chan_en = false;
+ if (strcmp(idstr, video_plane_idstr) ==
+ 0) {
+ ((struct mxcfb_info
+ *)(registered_fb[i]->par))->
+ alpha_chan_en = false;
break;
}
}
@@ -794,8 +856,8 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
uint32_t ipu_alp_ch_irq;
if (!(((mxc_fbi->ipu_ch == MEM_FG_SYNC) ||
- (mxc_fbi->ipu_ch == MEM_BG_SYNC)) &&
- (mxc_fbi->alpha_chan_en))) {
+ (mxc_fbi->ipu_ch == MEM_BG_SYNC)) &&
+ (mxc_fbi->alpha_chan_en))) {
dev_err(fbi->device,
"Should use background or overlay "
"framebuffer to set the alpha buffer "
@@ -822,11 +884,10 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
down(&mxc_fbi->alpha_flip_sem);
mxc_fbi->cur_ipu_alpha_buf =
- !mxc_fbi->cur_ipu_alpha_buf;
+ !mxc_fbi->cur_ipu_alpha_buf;
if (ipu_update_channel_buffer(mxc_fbi->ipu_ch,
IPU_ALPHA_IN_BUFFER,
- mxc_fbi->
- cur_ipu_alpha_buf,
+ mxc_fbi->cur_ipu_alpha_buf,
base) == 0) {
ipu_select_buffer(mxc_fbi->ipu_ch,
IPU_ALPHA_IN_BUFFER,
@@ -864,9 +925,9 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
break;
}
retval = ipu_disp_set_gamma_correction(mxc_fbi->ipu_ch,
- gamma.enable,
- gamma.constk,
- gamma.slopek);
+ gamma.enable,
+ gamma.constk,
+ gamma.slopek);
break;
}
case MXCFB_WAIT_FOR_VSYNC:
@@ -876,7 +937,8 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
int i;
for (i = 0; i < num_registered_fb; i++) {
bg_mxcfbi =
- ((struct mxcfb_info *)(registered_fb[i]->par));
+ ((struct mxcfb_info
+ *)(registered_fb[i]->par));
if (bg_mxcfbi->ipu_ch == MEM_BG_SYNC)
break;
@@ -891,21 +953,25 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
break;
}
- down(&mxc_fbi->flip_sem);
init_completion(&mxc_fbi->vsync_complete);
ipu_clear_irq(mxc_fbi->ipu_ch_irq);
+ mxc_fbi->wait4vsync = 1;
ipu_enable_irq(mxc_fbi->ipu_ch_irq);
- retval = wait_for_completion_interruptible_timeout(
- &mxc_fbi->vsync_complete, 1 * HZ);
+ retval =
+ wait_for_completion_interruptible_timeout(&mxc_fbi->
+ vsync_complete,
+ 1 * HZ);
if (retval == 0) {
dev_err(fbi->device,
"MXCFB_WAIT_FOR_VSYNC: timeout %d\n",
retval);
+ mxc_fbi->wait4vsync = 0;
retval = -ETIME;
} else if (retval > 0) {
retval = 0;
}
+
break;
}
case FBIO_ALLOC:
@@ -986,7 +1052,8 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
for (i = 0; i < num_registered_fb; i++) {
bg_mxcfbi =
- ((struct mxcfb_info *)(registered_fb[i]->par));
+ ((struct mxcfb_info *)(registered_fb[i]->
+ par));
if (bg_mxcfbi->ipu_ch == MEM_BG_SYNC) {
bg_fbi = registered_fb[i];
@@ -1005,13 +1072,15 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
if (bg_fbi->var.xres < fbi->var.xres)
pos.x = 0;
else
- pos.x = bg_fbi->var.xres - fbi->var.xres;
+ pos.x =
+ bg_fbi->var.xres - fbi->var.xres;
}
if (fbi->var.yres + pos.y > bg_fbi->var.yres) {
if (bg_fbi->var.yres < fbi->var.yres)
pos.y = 0;
else
- pos.y = bg_fbi->var.yres - fbi->var.yres;
+ pos.y =
+ bg_fbi->var.yres - fbi->var.yres;
}
retval = ipu_disp_set_window_pos(mxc_fbi->ipu_ch,
@@ -1026,12 +1095,39 @@ static int mxcfb_ioctl(struct fb_info *fbi, unsigned int cmd, unsigned long arg)
case MXCFB_GET_FB_IPU_CHAN:
{
struct mxcfb_info *mxc_fbi =
- (struct mxcfb_info *)fbi->par;
+ (struct mxcfb_info *)fbi->par;
if (put_user(mxc_fbi->ipu_ch, argp))
return -EFAULT;
break;
}
+ case MXCFB_GET_DIFMT:
+ {
+ struct mxcfb_info *mxc_fbi =
+ (struct mxcfb_info *)fbi->par;
+
+ if (put_user(mxc_fbi->ipu_di_pix_fmt, argp))
+ return -EFAULT;
+ break;
+ }
+ case MXCFB_GET_FB_IPU_DI:
+ {
+ struct mxcfb_info *mxc_fbi =
+ (struct mxcfb_info *)fbi->par;
+
+ if (put_user(mxc_fbi->ipu_di, argp))
+ return -EFAULT;
+ break;
+ }
+ case MXCFB_GET_FB_BLANK:
+ {
+ struct mxcfb_info *mxc_fbi =
+ (struct mxcfb_info *)fbi->par;
+
+ if (put_user(mxc_fbi->cur_blank, argp))
+ return -EFAULT;
+ break;
+ }
default:
retval = -EINVAL;
}
@@ -1081,7 +1177,7 @@ static int
mxcfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
{
struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)info->par,
- *mxc_graphic_fbi = NULL;
+ *mxc_graphic_fbi = NULL;
u_int y_bottom;
unsigned long base, active_alpha_phy_addr = 0;
bool loc_alpha_en = false;
@@ -1102,7 +1198,7 @@ mxcfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
int j;
for (j = 0; j < num_registered_fb; j++) {
bg_mxcfbi =
- ((struct mxcfb_info *)(registered_fb[j]->par));
+ ((struct mxcfb_info *)(registered_fb[j]->par));
if (bg_mxcfbi->ipu_ch == MEM_BG_SYNC)
break;
@@ -1122,12 +1218,9 @@ mxcfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
return -EINVAL;
base = (var->yoffset * var->xres_virtual + var->xoffset);
- base *= (var->bits_per_pixel) / 8;
+ base = (var->bits_per_pixel) * base / 8;
base += info->fix.smem_start;
- dev_dbg(info->device, "Updating SDC %s buf %d address=0x%08lX\n",
- info->fix.id, mxc_fbi->cur_ipu_buf, base);
-
/* Check if DP local alpha is enabled and find the graphic fb */
if (mxc_fbi->ipu_ch == MEM_BG_SYNC || mxc_fbi->ipu_ch == MEM_FG_SYNC) {
for (i = 0; i < num_registered_fb; i++) {
@@ -1135,13 +1228,13 @@ mxcfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
if ((strcmp(idstr, "DISP3 BG") == 0 ||
strcmp(idstr, "DISP3 FG") == 0) &&
((struct mxcfb_info *)
- (registered_fb[i]->par))->alpha_chan_en) {
+ (registered_fb[i]->par))->alpha_chan_en) {
loc_alpha_en = true;
mxc_graphic_fbi = (struct mxcfb_info *)
- (registered_fb[i]->par);
+ (registered_fb[i]->par);
active_alpha_phy_addr = mxc_fbi->cur_ipu_buf ?
- mxc_graphic_fbi->alpha_phy_addr1 :
- mxc_graphic_fbi->alpha_phy_addr0;
+ mxc_graphic_fbi->alpha_phy_addr1 :
+ mxc_graphic_fbi->alpha_phy_addr0;
dev_dbg(info->device, "Updating SDC graphic "
"buf %d address=0x%08lX\n",
mxc_fbi->cur_ipu_buf,
@@ -1151,10 +1244,13 @@ mxcfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
}
}
- down(&mxc_fbi->flip_sem);
init_completion(&mxc_fbi->vsync_complete);
mxc_fbi->cur_ipu_buf = !mxc_fbi->cur_ipu_buf;
+
+ dev_dbg(info->device, "Updating SDC %s buf %d address=0x%08lX\n",
+ info->fix.id, mxc_fbi->cur_ipu_buf, base);
+
if (ipu_update_channel_buffer(mxc_fbi->ipu_ch, IPU_INPUT_BUFFER,
mxc_fbi->cur_ipu_buf, base) == 0) {
/* Update the DP local alpha buffer only for graphic plane */
@@ -1176,8 +1272,13 @@ mxcfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
dev_err(info->device,
"Error updating SDC buf %d to address=0x%08lX\n",
mxc_fbi->cur_ipu_buf, base);
+ mxc_fbi->cur_ipu_buf = !mxc_fbi->cur_ipu_buf;
+ ipu_clear_irq(mxc_fbi->ipu_ch_irq);
+ ipu_enable_irq(mxc_fbi->ipu_ch_irq);
+ return -EBUSY;
}
+ down(&mxc_fbi->flip_sem);
dev_dbg(info->device, "Update complete\n");
info->var.xoffset = var->xoffset;
@@ -1211,9 +1312,9 @@ static int mxcfb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
len = fbi->fix.smem_len - offset;
vma->vm_pgoff = (fbi->fix.smem_start + offset) >> PAGE_SHIFT;
} else if ((vma->vm_pgoff ==
- (mxc_fbi->alpha_phy_addr0 >> PAGE_SHIFT)) ||
+ (mxc_fbi->alpha_phy_addr0 >> PAGE_SHIFT)) ||
(vma->vm_pgoff ==
- (mxc_fbi->alpha_phy_addr1 >> PAGE_SHIFT))) {
+ (mxc_fbi->alpha_phy_addr1 >> PAGE_SHIFT))) {
len = mxc_fbi->alpha_mem_len;
} else {
list_for_each_entry(mem, &fb_alloc_list, list) {
@@ -1269,9 +1370,14 @@ static irqreturn_t mxcfb_irq_handler(int irq, void *dev_id)
struct fb_info *fbi = dev_id;
struct mxcfb_info *mxc_fbi = fbi->par;
- complete(&mxc_fbi->vsync_complete);
- up(&mxc_fbi->flip_sem);
- ipu_disable_irq(irq);
+ if (mxc_fbi->wait4vsync) {
+ complete(&mxc_fbi->vsync_complete);
+ ipu_disable_irq(irq);
+ mxc_fbi->wait4vsync = 0;
+ } else {
+ up(&mxc_fbi->flip_sem);
+ ipu_disable_irq(irq);
+ }
return IRQ_HANDLED;
}
@@ -1288,14 +1394,10 @@ static irqreturn_t mxcfb_alpha_irq_handler(int irq, void *dev_id)
/*
* Suspends the framebuffer and blanks the screen. Power management support
*/
-static int mxcfb_suspend(struct platform_device *pdev, pm_message_t state)
+static void mxcfb_suspend_one(struct fb_info *fbi)
{
- struct fb_info *fbi = platform_get_drvdata(pdev);
struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
int saved_blank;
-#ifdef CONFIG_FB_MXC_LOW_PWR_DISPLAY
- void *fbmem;
-#endif
acquire_console_sem();
fb_set_suspend(fbi, 1);
@@ -1303,25 +1405,43 @@ static int mxcfb_suspend(struct platform_device *pdev, pm_message_t state)
mxcfb_blank(FB_BLANK_POWERDOWN, fbi);
mxc_fbi->next_blank = saved_blank;
release_console_sem();
-
- return 0;
}
/*
* Resumes the framebuffer and unblanks the screen. Power management support
*/
-static int mxcfb_resume(struct platform_device *pdev)
+static void mxcfb_resume_one(struct fb_info *fbi)
{
- struct fb_info *fbi = platform_get_drvdata(pdev);
struct mxcfb_info *mxc_fbi = (struct mxcfb_info *)fbi->par;
acquire_console_sem();
mxcfb_blank(mxc_fbi->next_blank, fbi);
fb_set_suspend(fbi, 0);
release_console_sem();
+}
+
+#ifndef CONFIG_HAS_EARLYSUSPEND
+
+static int mxcfb_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ struct fb_info *fbi = platform_get_drvdata(pdev);
+
+ if (fbi && (strcmp(fbi->fix.id, "DISP3 FG") == 0))
+ mxcfb_suspend_one(fbi);
+
+ return 0;
+}
+
+static int mxcfb_resume(struct platform_device *pdev)
+{
+ struct fb_info *fbi = platform_get_drvdata(pdev);
+
+ if (fbi && (strcmp(fbi->fix.id, "DISP3 FG") == 0))
+ mxcfb_resume_one(fbi);
return 0;
}
+#endif
/*
* Main framebuffer functions
@@ -1341,12 +1461,12 @@ static int mxcfb_map_video_memory(struct fb_info *fbi)
{
if (fbi->fix.smem_len < fbi->var.yres_virtual * fbi->fix.line_length)
fbi->fix.smem_len = fbi->var.yres_virtual *
- fbi->fix.line_length;
+ fbi->fix.line_length;
fbi->screen_base = dma_alloc_writecombine(fbi->device,
- fbi->fix.smem_len,
- (dma_addr_t *)&fbi->fix.smem_start,
- GFP_DMA);
+ fbi->fix.smem_len,
+ (dma_addr_t *) & fbi->fix.
+ smem_start, GFP_DMA);
if (fbi->screen_base == 0) {
dev_err(fbi->device, "Unable to allocate framebuffer memory\n");
fbi->fix.smem_len = 0;
@@ -1443,6 +1563,7 @@ static ssize_t swap_disp_chan(struct device *dev,
struct mxcfb_info *mxcfbi = (struct mxcfb_info *)info->par;
struct mxcfb_info *fg_mxcfbi = NULL;
+ acquire_console_sem();
/* swap only happen between DP-BG and DC, while DP-FG disable */
if (((mxcfbi->ipu_ch == MEM_BG_SYNC) &&
(strstr(buf, "1-layer-fb") != NULL)) ||
@@ -1451,17 +1572,16 @@ static ssize_t swap_disp_chan(struct device *dev,
int i;
for (i = 0; i < num_registered_fb; i++) {
- fg_mxcfbi =
- (struct mxcfb_info *)mxcfb_info[i]->par;
+ fg_mxcfbi = (struct mxcfb_info *)mxcfb_info[i]->par;
if (fg_mxcfbi->ipu_ch == MEM_FG_SYNC)
break;
else
fg_mxcfbi = NULL;
}
- if (!fg_mxcfbi ||
- fg_mxcfbi->cur_blank == FB_BLANK_UNBLANK) {
+ if (!fg_mxcfbi || fg_mxcfbi->cur_blank == FB_BLANK_UNBLANK) {
dev_err(dev,
"Can not switch while fb2(fb-fg) is on.\n");
+ release_console_sem();
return count;
}
@@ -1469,8 +1589,10 @@ static ssize_t swap_disp_chan(struct device *dev,
dev_err(dev, "Swap display channel failed.\n");
}
+ release_console_sem();
return count;
}
+
DEVICE_ATTR(fsl_disp_property, 644, show_disp_chan, swap_disp_chan);
/*!
@@ -1487,6 +1609,8 @@ static int mxcfb_probe(struct platform_device *pdev)
struct mxcfb_info *mxcfbi;
struct mxc_fb_platform_data *plat_data = pdev->dev.platform_data;
struct resource *res;
+ char *options, *mstr;
+ char name[] = "mxcdi0fb";
int ret = 0;
/*
@@ -1499,6 +1623,13 @@ static int mxcfb_probe(struct platform_device *pdev)
}
mxcfbi = (struct mxcfb_info *)fbi->par;
+ name[5] += pdev->id;
+ if (fb_get_options(name, &options))
+ return -ENODEV;
+
+ if (options)
+ mxcfb_option_setup(fbi, options);
+
if (!g_dp_in_use) {
mxcfbi->ipu_ch_irq = IPU_IRQ_BG_SYNC_EOF;
mxcfbi->ipu_ch = MEM_BG_SYNC;
@@ -1521,7 +1652,7 @@ static int mxcfb_probe(struct platform_device *pdev)
mxcfb_alpha_irq_handler, 0,
MXCFB_NAME, fbi) != 0) {
dev_err(&pdev->dev, "Error registering BG "
- "alpha irq handler.\n");
+ "alpha irq handler.\n");
ret = -EBUSY;
goto err1;
}
@@ -1534,7 +1665,7 @@ static int mxcfb_probe(struct platform_device *pdev)
mxcfb_alpha_irq_handler, 0,
MXCFB_NAME, fbi) != 0) {
dev_err(&pdev->dev, "Error registering BG "
- "alpha irq handler.\n");
+ "alpha irq handler.\n");
ret = -EBUSY;
goto err1;
}
@@ -1552,7 +1683,7 @@ static int mxcfb_probe(struct platform_device *pdev)
mxcfb_alpha_irq_handler, 0,
MXCFB_NAME, fbi) != 0) {
dev_err(&pdev->dev, "Error registering FG alpha irq "
- "handler.\n");
+ "handler.\n");
ret = -EBUSY;
goto err1;
}
@@ -1572,31 +1703,63 @@ static int mxcfb_probe(struct platform_device *pdev)
if (res && res->end) {
fbi->fix.smem_len = res->end - res->start + 1;
fbi->fix.smem_start = res->start;
- fbi->screen_base = ioremap(fbi->fix.smem_start, fbi->fix.smem_len);
+ fbi->screen_base =
+ ioremap(fbi->fix.smem_start, fbi->fix.smem_len);
}
/* Need dummy values until real panel is configured */
fbi->var.xres = 240;
fbi->var.yres = 320;
- if (!fb_mode && plat_data && plat_data->mode_str)
- fb_find_mode(&fbi->var, fbi, plat_data->mode_str, NULL, 0, NULL,
- default_bpp);
-
- if (fb_mode)
- fb_find_mode(&fbi->var, fbi, fb_mode, NULL, 0, NULL,
- default_bpp);
+ if (!mxcfbi->default_bpp)
+#ifdef CONFIG_CCWMX51_DEFAULT_VIDEO_BPP
+ mxcfbi->default_bpp = CONFIG_CCWMX51_DEFAULT_VIDEO_BPP;
+#else
+ mxcfbi->default_bpp = 16;
+#endif
- if (plat_data) {
+ if (plat_data && !mxcfbi->ipu_di_pix_fmt)
mxcfbi->ipu_di_pix_fmt = plat_data->interface_pix_fmt;
- if (!fb_mode && plat_data->mode)
- fb_videomode_to_var(&fbi->var, plat_data->mode);
+
+ if (plat_data && plat_data->mode && plat_data->num_modes)
+ fb_videomode_to_modelist(plat_data->mode, plat_data->num_modes,
+ &fbi->modelist);
+
+ if (!mxcfbi->fb_mode_str && plat_data && plat_data->mode_str)
+ mxcfbi->fb_mode_str = plat_data->mode_str;
+
+ if (mxcfbi->fb_mode_str) {
+
+#ifdef CONFIG_MODULE_CCXMX51
+ if ((mstr = strstr(mxcfbi->fb_mode_str, "VGA@")) != NULL)
+ mxcfbi->fb_mode_str = mstr + 4;
+#endif
+
+ ret =
+ fb_find_mode(&fbi->var, fbi, mxcfbi->fb_mode_str, NULL, 0,
+ NULL, mxcfbi->default_bpp);
+ if ((!ret || (ret > 2)) && plat_data && plat_data->mode
+ && plat_data->num_modes)
+ fb_find_mode(&fbi->var, fbi, mxcfbi->fb_mode_str,
+ plat_data->mode, plat_data->num_modes,
+ NULL, mxcfbi->default_bpp);
+
+#ifdef CONFIG_MODULE_CCXMX51
+ /* This improves the VGA modes on the CCWi-i.MX51 */
+ if (mstr != NULL) {
+ mxcfbi->ipu_ext_clk = true;
+ fbi->var.sync |= FB_SYNC_CLK_LAT_FALL;
+ }
+#endif
}
mxcfb_check_var(&fbi->var, fbi);
+ pm_set_vt_switch(vt_switch);
+
/* Default Y virtual size is 2x panel size */
- fbi->var.yres_virtual = fbi->var.yres * 3;
+ fbi->var.yres_virtual = ((fbi->var.yres + 127) & ~127) * 2;
+ fbi->var.xres_virtual = (fbi->var.xres + 31) & ~31;
mxcfb_set_fix(fbi);
@@ -1617,12 +1780,12 @@ static int mxcfb_probe(struct platform_device *pdev)
return 0;
-err2:
+ err2:
ipu_free_irq(mxcfbi->ipu_ch_irq, fbi);
-err1:
+ err1:
fb_dealloc_cmap(&fbi->cmap);
framebuffer_release(fbi);
-err0:
+ err0:
return ret;
}
@@ -1655,38 +1818,108 @@ static struct platform_driver mxcfb_driver = {
},
.probe = mxcfb_probe,
.remove = mxcfb_remove,
+#ifndef CONFIG_HAS_EARLYSUSPEND
.suspend = mxcfb_suspend,
.resume = mxcfb_resume,
+#endif
};
/*
* Parse user specified options (`video=trident:')
* example:
- * video=trident:800x600,bpp=16,noaccel
+ * video=mxcdi0fb:RGB24, 1024x768M-16@60,bpp=16,noaccel
*/
-int mxcfb_setup(char *options)
+static int mxcfb_option_setup(struct fb_info *info, char *options)
{
+ struct mxcfb_info *mxcfbi = info->par;
char *opt;
+
if (!options || !*options)
return 0;
+
while ((opt = strsep(&options, ",")) != NULL) {
if (!*opt)
continue;
+
+ if (!strncmp(opt, "RGB24", 5)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_RGB24;
+ continue;
+ }
+ if (!strncmp(opt, "BGR24", 5)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_BGR24;
+ continue;
+ }
+ if (!strncmp(opt, "RGB565", 6)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_RGB565;
+ continue;
+ }
+ if (!strncmp(opt, "RGB666", 6)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_RGB666;
+ continue;
+ }
+ if (!strncmp(opt, "YUV444", 6)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_YUV444;
+ continue;
+ }
+ if (!strncmp(opt, "LVDS666", 7)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_LVDS666;
+ continue;
+ }
+ if (!strncmp(opt, "YUYV16", 6)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_YUYV;
+ continue;
+ }
+ if (!strncmp(opt, "UYVY16", 6)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_UYVY;
+ continue;
+ }
+ if (!strncmp(opt, "YVYU16", 6)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_YVYU;
+ continue;
+ }
+ if (!strncmp(opt, "VYUY16", 6)) {
+ mxcfbi->ipu_di_pix_fmt = IPU_PIX_FMT_VYUY;
+ continue;
+ }
if (!strncmp(opt, "ext_clk", 7)) {
- ext_clk_used = true;
+ mxcfbi->ipu_ext_clk = true;
continue;
- } else
- ext_clk_used = false;
-
+ }
if (!strncmp(opt, "bpp=", 4))
- default_bpp = simple_strtoul(opt + 4, NULL, 0);
+ mxcfbi->default_bpp = simple_strtoul(opt + 4, NULL, 0);
else
- fb_mode = opt;
-
+ mxcfbi->fb_mode_str = opt;
}
+
return 0;
}
+#ifdef CONFIG_HAS_EARLYSUSPEND
+static void mxcfb_early_suspend(struct early_suspend *h)
+{
+ int i;
+ for (i = FB_DEVICE_NUM - 1; i >= 0; i--) {
+ if (mxcfb_info[i])
+ mxcfb_suspend_one(mxcfb_info[i]);
+ }
+}
+
+static void mxcfb_later_resume(struct early_suspend *h)
+{
+ int i;
+ for (i = 0; i < FB_DEVICE_NUM; i++) {
+ if (mxcfb_info[i])
+ mxcfb_resume_one(mxcfb_info[i]);
+ }
+}
+
+struct early_suspend fbdrv_earlysuspend = {
+ .level = EARLY_SUSPEND_LEVEL_DISABLE_FB,
+ .suspend = mxcfb_early_suspend,
+ .resume = mxcfb_later_resume,
+};
+#endif
+
/*!
* Main entry function for the framebuffer. The function registers the power
* management callback functions with the kernel and also registers the MXCFB
@@ -1696,26 +1929,23 @@ int mxcfb_setup(char *options)
*/
int __init mxcfb_init(void)
{
- int ret = 0;
-#ifndef MODULE
- char *option = NULL;
-#endif
-
-#ifndef MODULE
- if (fb_get_options("mxcfb", &option))
- return -ENODEV;
- mxcfb_setup(option);
-#endif
+ int ret;
ret = platform_driver_register(&mxcfb_driver);
+ if (!ret)
+ register_early_suspend(&fbdrv_earlysuspend);
return ret;
}
void mxcfb_exit(void)
{
+ unregister_early_suspend(&fbdrv_earlysuspend);
platform_driver_unregister(&mxcfb_driver);
}
+module_param(vt_switch, int, 0);
+MODULE_PARM_DESC(vt_switch, "enable VT switch during suspend/resume");
+
module_init(mxcfb_init);
module_exit(mxcfb_exit);
diff --git a/drivers/video/mxc/mxcfb_claa_wvga.c b/drivers/video/mxc/mxcfb_claa_wvga.c
index bd5ff7b83f8c..8f696c19e7d9 100644
--- a/drivers/video/mxc/mxcfb_claa_wvga.c
+++ b/drivers/video/mxc/mxcfb_claa_wvga.c
@@ -48,8 +48,8 @@ static int lcd_on;
static struct fb_videomode video_modes[] = {
{
- /* 800x480 @ 55 Hz , pixel clk @ 25MHz */
- "CLAA-WVGA", 55, 800, 480, 40000, 40, 40, 5, 5, 20, 10,
+ /* 800x480 @ 57 Hz , pixel clk @ 27MHz */
+ "CLAA-WVGA", 57, 800, 480, 37037, 40, 60, 10, 10, 20, 10,
FB_SYNC_CLK_LAT_FALL,
FB_VMODE_NONINTERLACED,
0,},
@@ -77,13 +77,14 @@ static int lcd_fb_event(struct notifier_block *nb, unsigned long val, void *v)
{
struct fb_event *event = v;
- if (strcmp(event->info->fix.id, "DISP3 BG")) {
+ if (strcmp(event->info->fix.id, "DISP3 BG") &&
+ strcmp(event->info->fix.id, "mxc_elcdif_fb"))
return 0;
- }
switch (val) {
case FB_EVENT_FB_REGISTERED:
lcd_init_fb(event->info);
+ fb_show_logo(event->info, 0);
lcd_poweron();
break;
case FB_EVENT_BLANK:
@@ -133,7 +134,8 @@ static int __devinit lcd_probe(struct platform_device *pdev)
}
for (i = 0; i < num_registered_fb; i++) {
- if (strcmp(registered_fb[i]->fix.id, "DISP3 BG") == 0) {
+ if (strcmp(registered_fb[i]->fix.id, "DISP3 BG") == 0 ||
+ strcmp(registered_fb[i]->fix.id, "mxc_elcdif_fb") == 0) {
lcd_init_fb(registered_fb[i]);
fb_show_logo(registered_fb[i], 0);
lcd_poweron();
diff --git a/drivers/video/mxc/tve.c b/drivers/video/mxc/tve.c
index 2d2929c0cbd9..793b470cdce4 100644
--- a/drivers/video/mxc/tve.c
+++ b/drivers/video/mxc/tve.c
@@ -68,6 +68,8 @@ static int enabled; /* enable power on or not */
DEFINE_SPINLOCK(tve_lock);
static struct fb_info *tve_fbi;
+static struct fb_modelist tve_modelist;
+static bool g_enable_tve;
struct tve_data {
struct platform_device *pdev;
@@ -77,6 +79,7 @@ struct tve_data {
int detect;
void *base;
int irq;
+ int blank;
struct clk *clk;
struct regulator *dac_reg;
struct regulator *dig_reg;
@@ -221,40 +224,50 @@ static int _is_tvout_mode_hd_compatible(void)
static int tve_setup(int mode)
{
u32 reg;
- struct clk *pll3_clk;
- unsigned long pll3_clock_rate = 216000000, di1_clock_rate = 27000000;
+ struct clk *tve_parent_clk;
+ unsigned long parent_clock_rate = 216000000, di1_clock_rate = 27000000;
+ unsigned long tve_clock_rate = 216000000;
struct clk *ipu_di1_clk;
unsigned long lock_flags;
- if (tve.cur_mode == mode)
- return 0;
-
spin_lock_irqsave(&tve_lock, lock_flags);
- tve.cur_mode = mode;
-
switch (mode) {
case TVOUT_FMT_PAL:
case TVOUT_FMT_NTSC:
- pll3_clock_rate = 216000000;
+ parent_clock_rate = 216000000;
di1_clock_rate = 27000000;
break;
case TVOUT_FMT_720P60:
- pll3_clock_rate = 297000000;
+ parent_clock_rate = 297000000;
+ if (cpu_is_mx53())
+ tve_clock_rate = 297000000;
di1_clock_rate = 74250000;
break;
}
if (enabled)
clk_disable(tve.clk);
- pll3_clk = clk_get(NULL, "pll3");
+ tve_parent_clk = clk_get_parent(tve.clk);
ipu_di1_clk = clk_get(NULL, "ipu_di1_clk");
- clk_disable(pll3_clk);
- clk_set_rate(pll3_clk, pll3_clock_rate);
- clk_set_rate(ipu_di1_clk, di1_clock_rate);
+ clk_disable(tve_parent_clk);
+ clk_set_rate(tve_parent_clk, parent_clock_rate);
+
+ if (cpu_is_mx53())
+ clk_set_rate(tve.clk, tve_clock_rate);
clk_enable(tve.clk);
+ clk_set_rate(ipu_di1_clk, di1_clock_rate);
+
+ if (tve.cur_mode == mode) {
+ if (!enabled)
+ clk_disable(tve.clk);
+ spin_unlock_irqrestore(&tve_lock, lock_flags);
+ return 0;
+ }
+
+ tve.cur_mode = mode;
/* select output video format */
if (mode == TVOUT_FMT_PAL) {
@@ -497,6 +510,14 @@ static irqreturn_t tve_detect_handler(int irq, void *data)
return IRQ_HANDLED;
}
+/* Re-construct clk for tve display */
+static inline void tve_recfg_fb(struct fb_info *fbi)
+{
+ fbi->flags &= ~FBINFO_MISC_USEREVENT;
+ fbi->var.activate |= FB_ACTIVATE_FORCE;
+ fb_set_var(fbi, &fbi->var);
+}
+
int tve_fb_event(struct notifier_block *nb, unsigned long val, void *v)
{
struct fb_event *event = v;
@@ -509,9 +530,9 @@ int tve_fb_event(struct notifier_block *nb, unsigned long val, void *v)
break;
tve_fbi = fbi;
- fb_add_videomode(&video_modes[0], &tve_fbi->modelist);
- fb_add_videomode(&video_modes[1], &tve_fbi->modelist);
- fb_add_videomode(&video_modes[2], &tve_fbi->modelist);
+ fb_add_videomode(&video_modes[0], &tve_modelist.list);
+ fb_add_videomode(&video_modes[1], &tve_modelist.list);
+ fb_add_videomode(&video_modes[2], &tve_modelist.list);
break;
case FB_EVENT_MODE_CHANGE:
{
@@ -525,7 +546,7 @@ int tve_fb_event(struct notifier_block *nb, unsigned long val, void *v)
fb_var_to_videomode(&cur_mode, &fbi->var);
- list_for_each(pos, &tve_fbi->modelist) {
+ list_for_each(pos, &tve_modelist.list) {
modelist = list_entry(pos, struct fb_modelist, list);
mode = &modelist->mode;
if (fb_mode_is_equal(&cur_mode, mode)) {
@@ -564,31 +585,33 @@ int tve_fb_event(struct notifier_block *nb, unsigned long val, void *v)
return 0;
if (*((int *)event->data) == FB_BLANK_UNBLANK) {
- if (fb_mode_is_equal(fbi->mode, &video_modes[0])) {
- if (tve.cur_mode != TVOUT_FMT_NTSC) {
+ if (tve.blank != FB_BLANK_UNBLANK) {
+ if (fb_mode_is_equal(fbi->mode, &video_modes[0])) {
tve_disable();
tve_setup(TVOUT_FMT_NTSC);
- }
- tve_enable();
- } else if (fb_mode_is_equal(fbi->mode,
- &video_modes[1])) {
- if (tve.cur_mode != TVOUT_FMT_PAL) {
+ tve_enable();
+ tve_recfg_fb(fbi);
+ } else if (fb_mode_is_equal(fbi->mode,
+ &video_modes[1])) {
tve_disable();
tve_setup(TVOUT_FMT_PAL);
- }
- tve_enable();
- } else if (fb_mode_is_equal(fbi->mode,
- &video_modes[2])) {
- if (tve.cur_mode != TVOUT_FMT_720P60) {
+ tve_enable();
+ tve_recfg_fb(fbi);
+ } else if (fb_mode_is_equal(fbi->mode,
+ &video_modes[2])) {
tve_disable();
tve_setup(TVOUT_FMT_720P60);
+ tve_enable();
+ tve_recfg_fb(fbi);
+ } else {
+ tve_setup(TVOUT_FMT_OFF);
}
- tve_enable();
- } else {
- tve_setup(TVOUT_FMT_OFF);
+ tve.blank = FB_BLANK_UNBLANK;
}
- } else
+ } else {
tve_disable();
+ tve.blank = FB_BLANK_POWERDOWN;
+ }
break;
}
return 0;
@@ -652,6 +675,11 @@ static int tve_probe(struct platform_device *pdev)
struct tve_platform_data *plat_data = pdev->dev.platform_data;
u32 conf_reg;
+ if (g_enable_tve == false)
+ return -ENODEV;
+
+ INIT_LIST_HEAD(&tve_modelist.list);
+
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL)
return -ENOMEM;
@@ -699,9 +727,9 @@ static int tve_probe(struct platform_device *pdev)
}
if (tve_fbi != NULL) {
- fb_add_videomode(&video_modes[0], &tve_fbi->modelist);
- fb_add_videomode(&video_modes[1], &tve_fbi->modelist);
- fb_add_videomode(&video_modes[2], &tve_fbi->modelist);
+ fb_add_videomode(&video_modes[0], &tve_modelist.list);
+ fb_add_videomode(&video_modes[1], &tve_modelist.list);
+ fb_add_videomode(&video_modes[2], &tve_modelist.list);
}
tve.dac_reg = regulator_get(&pdev->dev, plat_data->dac_reg);
@@ -748,22 +776,40 @@ static int tve_probe(struct platform_device *pdev)
clk_disable(tve.clk);
+ ret = fb_register_client(&nb);
+ if (ret < 0)
+ goto err2;
+
+ tve.blank = -1;
+
/* is primary display? */
if (primary) {
- struct fb_event event;
+ struct fb_var_screeninfo var;
+ const struct fb_videomode *mode;
+
+ memset(&var, 0, sizeof(var));
+ mode = fb_match_mode(&tve_fbi->var, &tve_modelist.list);
+ if (mode) {
+ pr_debug("TVE: fb mode found\n");
+ fb_videomode_to_var(&var, mode);
+ } else {
+ pr_warning("TVE: can not find video mode\n");
+ goto done;
+ }
+ acquire_console_sem();
+ tve_fbi->flags |= FBINFO_MISC_USEREVENT;
+ fb_set_var(tve_fbi, &var);
+ tve_fbi->flags &= ~FBINFO_MISC_USEREVENT;
+ release_console_sem();
- event.info = tve_fbi;
- tve_fb_event(NULL, FB_EVENT_MODE_CHANGE, &event);
acquire_console_sem();
fb_blank(tve_fbi, FB_BLANK_UNBLANK);
release_console_sem();
+
fb_show_logo(tve_fbi, 0);
}
- ret = fb_register_client(&nb);
- if (ret < 0)
- goto err2;
-
+done:
return 0;
err2:
device_remove_file(&pdev->dev, &dev_attr_headphone);
@@ -842,6 +888,14 @@ static struct platform_driver tve_driver = {
.resume = tve_resume,
};
+static int __init enable_tve_setup(char *options)
+{
+ g_enable_tve = true;
+
+ return 1;
+}
+__setup("tve", enable_tve_setup);
+
static int __init tve_init(void)
{
return platform_driver_register(&tve_driver);
diff --git a/drivers/video/mxs/Kconfig b/drivers/video/mxs/Kconfig
index aef4aa59dcad..35b896e95d4f 100644
--- a/drivers/video/mxs/Kconfig
+++ b/drivers/video/mxs/Kconfig
@@ -20,3 +20,9 @@ config FB_MXS_LCD_LMS430
default y if ARCH_MX23
---help---
Use LMS430 dotclock LCD panel for MXS
+
+config FB_MXS_TVENC
+ depends on ARCH_MXS
+ bool "TVENC"
+ ---help---
+ Use TVOUT encoder for MXS
diff --git a/drivers/video/mxs/Makefile b/drivers/video/mxs/Makefile
index a9580add3757..fbab953718c7 100644
--- a/drivers/video/mxs/Makefile
+++ b/drivers/video/mxs/Makefile
@@ -2,3 +2,5 @@ obj-$(CONFIG_ARCH_MXS) += lcdif.o
obj-$(CONFIG_FB_MXS) += mxsfb.o
obj-$(CONFIG_FB_MXS_LCD_43WVF1G) += lcd_43wvf1g.o
obj-$(CONFIG_FB_MXS_LCD_LMS430) += lcd_lms430.o
+# TVOUT support
+obj-$(CONFIG_FB_MXS_TVENC) += tvenc.o
diff --git a/drivers/watchdog/mxc_wdt.c b/drivers/watchdog/mxc_wdt.c
index 3626a51e557d..0114fab70253 100644
--- a/drivers/watchdog/mxc_wdt.c
+++ b/drivers/watchdog/mxc_wdt.c
@@ -200,7 +200,7 @@ mxc_wdt_ioctl(struct inode *inode, struct file *file,
switch (cmd) {
default:
- return -ENOIOCTLCMD;
+ return -ENOTTY;
case WDIOC_GETSUPPORT:
return copy_to_user((struct watchdog_info __user *)arg, &ident,
sizeof(ident));