[ARM] msm: add proc_comm support, necessary for clock and power control

The proc_comm protocol is the lowest level protocol available for
communicating with the modem core.  It provides access to clock and
power control, among other things, and is safe for use from atomic
contexts, unlike the higher level SMD and RPC transports.

Signed-off-by: Brian Swetland <swetland@google.com>

1 files changed, 165 insertions, 0 deletions

diff --git a/arch/arm/mach-msm/proc_comm.h b/arch/arm/mach-msm/proc_comm.h
new file mode 100644
index 000000000000..834760f25692
--- /dev/null
+++ b/arch/arm/mach-msm/proc_comm.h
@@ -0,0 +1,165 @@
+/* arch/arm/mach-msm/proc_comm.h
+ *
+ * Copyright (c) 2007 QUALCOMM Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ *
+ */
+
+#ifndef _ARCH_ARM_MACH_MSM_PROC_COMM_H_
+#define _ARCH_ARM_MACH_MSM_PROC_COMM_H_
+
+enum {
+	PCOM_CMD_IDLE = 0x0,
+	PCOM_CMD_DONE,
+	PCOM_RESET_APPS,
+	PCOM_RESET_CHIP,
+	PCOM_CONFIG_NAND_MPU,
+	PCOM_CONFIG_USB_CLKS,
+	PCOM_GET_POWER_ON_STATUS,
+	PCOM_GET_WAKE_UP_STATUS,
+	PCOM_GET_BATT_LEVEL,
+	PCOM_CHG_IS_CHARGING,
+	PCOM_POWER_DOWN,
+	PCOM_USB_PIN_CONFIG,
+	PCOM_USB_PIN_SEL,
+	PCOM_SET_RTC_ALARM,
+	PCOM_NV_READ,
+	PCOM_NV_WRITE,
+	PCOM_GET_UUID_HIGH,
+	PCOM_GET_UUID_LOW,
+	PCOM_GET_HW_ENTROPY,
+	PCOM_RPC_GPIO_TLMM_CONFIG_REMOTE,
+	PCOM_CLKCTL_RPC_ENABLE,
+	PCOM_CLKCTL_RPC_DISABLE,
+	PCOM_CLKCTL_RPC_RESET,
+	PCOM_CLKCTL_RPC_SET_FLAGS,
+	PCOM_CLKCTL_RPC_SET_RATE,
+	PCOM_CLKCTL_RPC_MIN_RATE,
+	PCOM_CLKCTL_RPC_MAX_RATE,
+	PCOM_CLKCTL_RPC_RATE,
+	PCOM_CLKCTL_RPC_PLL_REQUEST,
+	PCOM_CLKCTL_RPC_ENABLED,
+	PCOM_VREG_SWITCH,
+	PCOM_VREG_SET_LEVEL,
+	PCOM_GPIO_TLMM_CONFIG_GROUP,
+	PCOM_GPIO_TLMM_UNCONFIG_GROUP,
+	PCOM_NV_WRITE_BYTES_4_7,
+	PCOM_CONFIG_DISP,
+	PCOM_GET_FTM_BOOT_COUNT,
+	PCOM_RPC_GPIO_TLMM_CONFIG_EX,
+	PCOM_PM_MPP_CONFIG,
+	PCOM_GPIO_IN,
+	PCOM_GPIO_OUT,
+	PCOM_RESET_MODEM,
+	PCOM_RESET_CHIP_IMM,
+	PCOM_PM_VID_EN,
+	PCOM_VREG_PULLDOWN,
+	PCOM_NUM_CMDS,
+};
+
+enum {
+	 PCOM_INVALID_STATUS = 0x0,
+	 PCOM_READY,
+	 PCOM_CMD_RUNNING,
+	 PCOM_CMD_SUCCESS,
+	 PCOM_CMD_FAIL,
+};
+
+/* List of VREGs that support the Pull Down Resistor setting. */
+enum {
+	PM_VREG_PDOWN_MSMA_ID,
+	PM_VREG_PDOWN_MSMP_ID,
+	PM_VREG_PDOWN_MSME1_ID,	/* Not supported in Panoramix */
+	PM_VREG_PDOWN_MSMC1_ID,	/* Not supported in PM6620 */
+	PM_VREG_PDOWN_MSMC2_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_GP3_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_MSME2_ID,	/* Supported in PM7500 and Panoramix only */
+	PM_VREG_PDOWN_GP4_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_GP1_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_TCXO_ID,
+	PM_VREG_PDOWN_PA_ID,
+	PM_VREG_PDOWN_RFTX_ID,
+	PM_VREG_PDOWN_RFRX1_ID,
+	PM_VREG_PDOWN_RFRX2_ID,
+	PM_VREG_PDOWN_SYNT_ID,
+	PM_VREG_PDOWN_WLAN_ID,
+	PM_VREG_PDOWN_USB_ID,
+	PM_VREG_PDOWN_MMC_ID,
+	PM_VREG_PDOWN_RUIM_ID,
+	PM_VREG_PDOWN_MSMC0_ID,	/* Supported in PM6610 only */
+	PM_VREG_PDOWN_GP2_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_GP5_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_GP6_ID,	/* Supported in PM7500 only */
+	PM_VREG_PDOWN_RF_ID,
+	PM_VREG_PDOWN_RF_VCO_ID,
+	PM_VREG_PDOWN_MPLL_ID,
+	PM_VREG_PDOWN_S2_ID,
+	PM_VREG_PDOWN_S3_ID,
+	PM_VREG_PDOWN_RFUBM_ID,
+
+	/* new for HAN */
+	PM_VREG_PDOWN_RF1_ID,
+	PM_VREG_PDOWN_RF2_ID,
+	PM_VREG_PDOWN_RFA_ID,
+	PM_VREG_PDOWN_CDC2_ID,
+	PM_VREG_PDOWN_RFTX2_ID,
+	PM_VREG_PDOWN_USIM_ID,
+	PM_VREG_PDOWN_USB2P6_ID,
+	PM_VREG_PDOWN_USB3P3_ID,
+	PM_VREG_PDOWN_INVALID_ID,
+
+	/* backward compatible enums only */
+	PM_VREG_PDOWN_CAM_ID = PM_VREG_PDOWN_GP1_ID,
+	PM_VREG_PDOWN_MDDI_ID = PM_VREG_PDOWN_GP2_ID,
+	PM_VREG_PDOWN_RUIM2_ID = PM_VREG_PDOWN_GP3_ID,
+	PM_VREG_PDOWN_AUX_ID = PM_VREG_PDOWN_GP4_ID,
+	PM_VREG_PDOWN_AUX2_ID = PM_VREG_PDOWN_GP5_ID,
+	PM_VREG_PDOWN_BT_ID = PM_VREG_PDOWN_GP6_ID,
+
+	PM_VREG_PDOWN_MSME_ID = PM_VREG_PDOWN_MSME1_ID,
+	PM_VREG_PDOWN_MSMC_ID = PM_VREG_PDOWN_MSMC1_ID,
+	PM_VREG_PDOWN_RFA1_ID = PM_VREG_PDOWN_RFRX2_ID,
+	PM_VREG_PDOWN_RFA2_ID = PM_VREG_PDOWN_RFTX2_ID,
+	PM_VREG_PDOWN_XO_ID = PM_VREG_PDOWN_TCXO_ID
+};
+
+/* gpio info for PCOM_RPC_GPIO_TLMM_CONFIG_EX */
+
+#define GPIO_ENABLE	0
+#define GPIO_DISABLE	1
+
+#define GPIO_INPUT	0
+#define GPIO_OUTPUT	1
+
+#define GPIO_NO_PULL	0
+#define GPIO_PULL_DOWN	1
+#define GPIO_KEEPER	2
+#define GPIO_PULL_UP	3
+
+#define GPIO_2MA	0
+#define GPIO_4MA	1
+#define GPIO_6MA	2
+#define GPIO_8MA	3
+#define GPIO_10MA	4
+#define GPIO_12MA	5
+#define GPIO_14MA	6
+#define GPIO_16MA	7
+
+#define PCOM_GPIO_CFG(gpio, func, dir, pull, drvstr) \
+		((((gpio) & 0x3FF) << 4)	| \
+		((func) & 0xf)			| \
+		(((dir) & 0x1) << 14)		| \
+		(((pull) & 0x3) << 15)		| \
+		(((drvstr) & 0xF) << 17))
+
+int msm_proc_comm(unsigned cmd, unsigned *data1, unsigned *data2);
+
+#endif