diff options
| -rw-r--r-- | drivers/media/video/cx23885/Makefile | 2 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-cards.c | 11 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 20 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-ioctl.c | 11 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23885.h | 8 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23888-ir.c | 233 | ||||
| -rw-r--r-- | drivers/media/video/cx23885/cx23888-ir.h | 28 |
7 files changed, 310 insertions, 3 deletions
diff --git a/drivers/media/video/cx23885/Makefile b/drivers/media/video/cx23885/Makefile index 93a954c23f42..3832a1cb768d 100644 --- a/drivers/media/video/cx23885/Makefile +++ b/drivers/media/video/cx23885/Makefile @@ -1,6 +1,6 @@ cx23885-objs := cx23885-cards.o cx23885-video.o cx23885-vbi.o \ cx23885-core.o cx23885-i2c.o cx23885-dvb.o cx23885-417.o \ - cx23885-ioctl.o \ + cx23885-ioctl.o cx23888-ir.o \ netup-init.o cimax2.o netup-eeprom.o obj-$(CONFIG_VIDEO_CX23885) += cx23885.o diff --git a/drivers/media/video/cx23885/cx23885-cards.c b/drivers/media/video/cx23885/cx23885-cards.c index bfdf79f1033c..4b5aa08036fa 100644 --- a/drivers/media/video/cx23885/cx23885-cards.c +++ b/drivers/media/video/cx23885/cx23885-cards.c @@ -28,6 +28,7 @@ #include "cx23885.h" #include "tuner-xc2028.h" #include "netup-init.h" +#include "cx23888-ir.h" /* ------------------------------------------------------------------ */ /* board config info */ @@ -801,6 +802,7 @@ void cx23885_gpio_setup(struct cx23885_dev *dev) int cx23885_ir_init(struct cx23885_dev *dev) { + int ret = 0; switch (dev->board) { case CX23885_BOARD_HAUPPAUGE_HVR1250: case CX23885_BOARD_HAUPPAUGE_HVR1500: @@ -812,15 +814,20 @@ int cx23885_ir_init(struct cx23885_dev *dev) case CX23885_BOARD_HAUPPAUGE_HVR1275: case CX23885_BOARD_HAUPPAUGE_HVR1255: case CX23885_BOARD_HAUPPAUGE_HVR1210: - case CX23885_BOARD_HAUPPAUGE_HVR1850: /* FIXME: Implement me */ break; + case CX23885_BOARD_HAUPPAUGE_HVR1850: + ret = cx23888_ir_probe(dev); + if (ret) + break; + dev->sd_ir = cx23885_find_hw(dev, CX23885_HW_888_IR); + break; case CX23885_BOARD_DVICO_FUSIONHDTV_DVB_T_DUAL_EXP: request_module("ir-kbd-i2c"); break; } - return 0; + return ret; } void cx23885_card_setup(struct cx23885_dev *dev) diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c index c31284ba19dd..73be16b0d2a0 100644 --- a/drivers/media/video/cx23885/cx23885-core.c +++ b/drivers/media/video/cx23885/cx23885-core.c @@ -32,6 +32,7 @@ #include "cx23885.h" #include "cimax2.h" +#include "cx23888-ir.h" MODULE_DESCRIPTION("Driver for cx23885 based TV cards"); MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); @@ -753,6 +754,23 @@ static void cx23885_dev_checkrevision(struct cx23885_dev *dev) __func__, dev->hwrevision); } +/* Find the first v4l2_subdev member of the group id in hw */ +struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw) +{ + struct v4l2_subdev *result = NULL; + struct v4l2_subdev *sd; + + spin_lock(&dev->v4l2_dev.lock); + v4l2_device_for_each_subdev(sd, &dev->v4l2_dev) { + if (sd->grp_id == hw) { + result = sd; + break; + } + } + spin_unlock(&dev->v4l2_dev.lock); + return result; +} + static int cx23885_dev_setup(struct cx23885_dev *dev) { int i; @@ -1914,6 +1932,8 @@ static void __devexit cx23885_finidev(struct pci_dev *pci_dev) cx23885_shutdown(dev); + cx23888_ir_remove(dev); + pci_disable_device(pci_dev); /* unregister stuff */ diff --git a/drivers/media/video/cx23885/cx23885-ioctl.c b/drivers/media/video/cx23885/cx23885-ioctl.c index 3a497b6c4fd7..dfb4627fb340 100644 --- a/drivers/media/video/cx23885/cx23885-ioctl.c +++ b/drivers/media/video/cx23885/cx23885-ioctl.c @@ -65,6 +65,17 @@ int cx23885_g_chip_ident(struct file *file, void *fh, chip->revision = 0; } break; + case 2: + /* + * The integrated IR controller on the CX23888 is + * host chip 2. It may not be used/initialized or sd_ir + * may be pointing at the cx25840 subdevice for the + * IR controller on the CX23885. Thus we find it + * without using the dev->sd_ir pointer. + */ + call_hw(dev, CX23885_HW_888_IR, core, g_chip_ident, + chip); + break; default: err = -EINVAL; /* per V4L2 spec */ break; diff --git a/drivers/media/video/cx23885/cx23885.h b/drivers/media/video/cx23885/cx23885.h index f4c4108f23f3..f7ed146566d9 100644 --- a/drivers/media/video/cx23885/cx23885.h +++ b/drivers/media/video/cx23885/cx23885.h @@ -355,6 +355,7 @@ struct cx23885_dev { unsigned char radio_addr; unsigned int has_radio; struct v4l2_subdev *sd_cx25840; + struct v4l2_subdev *sd_ir; /* V4l */ u32 freq; @@ -383,6 +384,13 @@ static inline struct cx23885_dev *to_cx23885(struct v4l2_device *v4l2_dev) #define call_all(dev, o, f, args...) \ v4l2_device_call_all(&dev->v4l2_dev, 0, o, f, ##args) +#define CX23885_HW_888_IR (1 << 0) + +#define call_hw(dev, grpid, o, f, args...) \ + v4l2_device_call_all(&dev->v4l2_dev, grpid, o, f, ##args) + +extern struct v4l2_subdev *cx23885_find_hw(struct cx23885_dev *dev, u32 hw); + extern struct list_head cx23885_devlist; #define SRAM_CH01 0 /* Video A */ diff --git a/drivers/media/video/cx23885/cx23888-ir.c b/drivers/media/video/cx23885/cx23888-ir.c new file mode 100644 index 000000000000..12df0e3a2354 --- /dev/null +++ b/drivers/media/video/cx23885/cx23888-ir.c @@ -0,0 +1,233 @@ +/* + * Driver for the Conexant CX23885/7/8 PCIe bridge + * + * CX23888 Integrated Consumer Infrared Controller + * + * Copyright (C) 2009 Andy Walls <awalls@radix.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <media/v4l2-device.h> +#include <media/v4l2-chip-ident.h> + +#include "cx23885.h" + +#define CX23888_IR_REG_BASE 0x170000 +/* + * These CX23888 register offsets have a straightforward one to one mapping + * to the CX23885 register offsets of 0x200 through 0x218 + */ +#define CX23888_IR_CNTRL_REG 0x170000 +#define CX23888_IR_TXCLK_REG 0x170004 +#define CX23888_IR_RXCLK_REG 0x170008 +#define CX23888_IR_CDUTY_REG 0x17000C +#define CX23888_IR_STATS_REG 0x170010 +#define CX23888_IR_IRQEN_REG 0x170014 +#define CX23888_IR_FILTR_REG 0x170018 +/* This register doesn't follow the pattern; it's 0x23C on a CX23885 */ +#define CX23888_IR_FIFO_REG 0x170040 + +/* CX23888 unique registers */ +#define CX23888_IR_SEEDP_REG 0x17001C +#define CX23888_IR_TIMOL_REG 0x170020 +#define CX23888_IR_WAKE0_REG 0x170024 +#define CX23888_IR_WAKE1_REG 0x170028 +#define CX23888_IR_WAKE2_REG 0x17002C +#define CX23888_IR_MASK0_REG 0x170030 +#define CX23888_IR_MASK1_REG 0x170034 +#define CX23888_IR_MAKS2_REG 0x170038 +#define CX23888_IR_DPIPG_REG 0x17003C +#define CX23888_IR_LEARN_REG 0x170044 + + +struct cx23888_ir_state { + struct v4l2_subdev sd; + struct cx23885_dev *dev; + u32 id; + u32 rev; +}; + +static inline struct cx23888_ir_state *to_state(struct v4l2_subdev *sd) +{ + return v4l2_get_subdevdata(sd); +} + +static int cx23888_ir_write(struct cx23885_dev *dev, u32 addr, u8 value) +{ + u32 reg = (addr & ~3); + int shift = (addr & 3) * 8; + u32 x = cx_read(reg); + + x = (x & ~(0xff << shift)) | ((u32)value << shift); + cx_write(reg, x); + return 0; +} + +static +inline int cx23888_ir_write4(struct cx23885_dev *dev, u32 addr, u32 value) +{ + cx_write(addr, value); + return 0; +} + +static u8 cx23888_ir_read(struct cx23885_dev *dev, u32 addr) +{ + u32 x = cx_read((addr & ~3)); + int shift = (addr & 3) * 8; + + return (x >> shift) & 0xff; +} + +static inline u32 cx23888_ir_read4(struct cx23885_dev *dev, u32 addr) +{ + return cx_read(addr); +} + +static int cx23888_ir_and_or(struct cx23885_dev *dev, u32 addr, + unsigned and_mask, u8 or_value) +{ + return cx23888_ir_write(dev, addr, + (cx23888_ir_read(dev, addr) & and_mask) | + or_value); +} + +static inline int cx23888_ir_and_or4(struct cx23885_dev *dev, u32 addr, + u32 and_mask, u32 or_value) +{ + cx_andor(addr, and_mask, or_value); + return 0; +} + +static int cx23888_ir_log_status(struct v4l2_subdev *sd) +{ + struct cx23888_ir_state *state = to_state(sd); + struct cx23885_dev *dev = state->dev; + u8 cntrl = cx23888_ir_read(dev, CX23888_IR_CNTRL_REG+1); + v4l2_info(sd, "receiver %sabled\n", cntrl & 0x1 ? "en" : "dis"); + v4l2_info(sd, "transmitter %sabled\n", cntrl & 0x2 ? "en" : "dis"); + return 0; +} + +static inline int cx23888_ir_dbg_match(const struct v4l2_dbg_match *match) +{ + return match->type == V4L2_CHIP_MATCH_HOST && match->addr == 2; +} + +static int cx23888_ir_g_chip_ident(struct v4l2_subdev *sd, + struct v4l2_dbg_chip_ident *chip) +{ + struct cx23888_ir_state *state = to_state(sd); + + if (cx23888_ir_dbg_match(&chip->match)) { + chip->ident = state->id; + chip->revision = state->rev; + } + return 0; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int cx23888_ir_g_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct cx23888_ir_state *state = to_state(sd); + u32 addr = CX23888_IR_REG_BASE + (u32) reg->reg; + + if (!cx23888_ir_dbg_match(®->match)) + return -EINVAL; + if ((addr & 0x3) != 0) + return -EINVAL; + if (addr < CX23888_IR_CNTRL_REG || addr > CX23888_IR_LEARN_REG) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + reg->size = 4; + reg->val = cx23888_ir_read4(state->dev, addr); + return 0; +} + +static int cx23888_ir_s_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct cx23888_ir_state *state = to_state(sd); + u32 addr = CX23888_IR_REG_BASE + (u32) reg->reg; + + if (!cx23888_ir_dbg_match(®->match)) + return -EINVAL; + if ((addr & 0x3) != 0) + return -EINVAL; + if (addr < CX23888_IR_CNTRL_REG || addr > CX23888_IR_LEARN_REG) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + cx23888_ir_write4(state->dev, addr, reg->val); + return 0; +} +#endif + +static const struct v4l2_subdev_core_ops cx23888_ir_core_ops = { + .g_chip_ident = cx23888_ir_g_chip_ident, + .log_status = cx23888_ir_log_status, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .g_register = cx23888_ir_g_register, + .s_register = cx23888_ir_s_register, +#endif +}; + +static const struct v4l2_subdev_ops cx23888_ir_controller_ops = { + .core = &cx23888_ir_core_ops, +}; + +int cx23888_ir_probe(struct cx23885_dev *dev) +{ + struct cx23888_ir_state *state; + struct v4l2_subdev *sd; + + state = kzalloc(sizeof(struct cx23888_ir_state), GFP_KERNEL); + if (state == NULL) + return -ENOMEM; + + state->dev = dev; + state->id = V4L2_IDENT_CX23888_IR; + state->rev = 0; + sd = &state->sd; + + v4l2_subdev_init(sd, &cx23888_ir_controller_ops); + v4l2_set_subdevdata(sd, state); + /* FIXME - fix the formatting of dev->v4l2_dev.name and use it */ + snprintf(sd->name, sizeof(sd->name), "%s/888-ir", dev->name); + sd->grp_id = CX23885_HW_888_IR; + return v4l2_device_register_subdev(&dev->v4l2_dev, sd); +} + +int cx23888_ir_remove(struct cx23885_dev *dev) +{ + struct v4l2_subdev *sd; + struct cx23888_ir_state *state; + + sd = cx23885_find_hw(dev, CX23885_HW_888_IR); + if (sd == NULL) + return -ENODEV; + + /* Disable receiver and transmitter */ + cx23888_ir_and_or(dev, CX23888_IR_CNTRL_REG+1, 0xfc, 0); + + state = to_state(sd); + v4l2_device_unregister_subdev(sd); + kfree(state); + /* Nothing more to free() as state held the actual v4l2_subdev object */ + return 0; +} diff --git a/drivers/media/video/cx23885/cx23888-ir.h b/drivers/media/video/cx23885/cx23888-ir.h new file mode 100644 index 000000000000..3d446f9eb94b --- /dev/null +++ b/drivers/media/video/cx23885/cx23888-ir.h @@ -0,0 +1,28 @@ +/* + * Driver for the Conexant CX23885/7/8 PCIe bridge + * + * CX23888 Integrated Consumer Infrared Controller + * + * Copyright (C) 2009 Andy Walls <awalls@radix.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#ifndef _CX23888_IR_H_ +#define _CX23888_IR_H_ +int cx23888_ir_probe(struct cx23885_dev *dev); +int cx23888_ir_remove(struct cx23885_dev *dev); +#endif |