msm: 8974: MHL MSC/RCP/RAP feature implementation
MHL implementation in 8974 for handling CBUS interrupts to
enable and handle MSC translation control packets.
This change also includes implementation of RCP/RAP
protocols by registering MHL driver as input device
and building key code mapping.
Change-Id: I73e399bbbf9b2f53974225aaa8697fce2057d017
Signed-off-by: Manoj Rao <manojraj@codeaurora.org>
diff --git a/include/linux/mhl_8334.h b/include/linux/mhl_8334.h
index d3597dc..cb74b73 100644
--- a/include/linux/mhl_8334.h
+++ b/include/linux/mhl_8334.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -18,6 +18,7 @@
#include <linux/platform_device.h>
#include <mach/board.h>
#include <linux/mhl_devcap.h>
+#include <linux/power_supply.h>
#include <linux/mhl_defs.h>
#define MHL_DEVICE_NAME "sii8334"
@@ -96,6 +97,65 @@
struct msc_command_struct* (*msc_command_get_work) (void);
};
+#ifdef CONFIG_FB_MSM_MDSS_HDMI_MHL_SII8334
+enum mhl_gpio_type {
+ MHL_TX_RESET_GPIO,
+ MHL_TX_INTR_GPIO,
+ MHL_TX_PMIC_PWR_GPIO,
+ MHL_TX_MAX_GPIO,
+};
+
+enum mhl_vreg_type {
+ MHL_TX_3V_VREG,
+ MHL_TX_MAX_VREG,
+};
+
+
+struct mhl_tx_platform_data {
+ /* Data filled from device tree nodes */
+ struct dss_gpio *gpios[MHL_TX_MAX_GPIO];
+ struct dss_vreg *vregs[MHL_TX_MAX_VREG];
+ int irq;
+};
+
+struct mhl_tx_ctrl {
+ struct platform_device *pdev;
+ struct mhl_tx_platform_data *pdata;
+ struct i2c_client *i2c_handle;
+ uint8_t cur_state;
+ uint8_t chip_rev_id;
+ int mhl_mode;
+ struct completion rgnd_done;
+ void (*notify_usb_online)(int online);
+ struct usb_ext_notification *mhl_info;
+ bool disc_enabled;
+ struct power_supply mhl_psy;
+ bool vbus_active;
+ int current_val;
+ struct completion msc_cmd_done;
+ uint8_t devcap[16];
+ uint8_t devcap_state;
+ uint8_t path_en_state;
+ uint8_t (*tmds_enabled)(void);
+ struct work_struct mhl_msc_send_work;
+ struct list_head list_cmd;
+ struct input_dev *input;
+ struct workqueue_struct *msc_send_workqueue;
+ u16 *rcp_key_code_tbl;
+ size_t rcp_key_code_tbl_len;
+};
+
+int mhl_i2c_reg_read(struct i2c_client *client,
+ uint8_t slave_addr_index, uint8_t reg_offset);
+int mhl_i2c_reg_write(struct i2c_client *client,
+ uint8_t slave_addr_index, uint8_t reg_offset,
+ uint8_t value);
+void mhl_i2c_reg_modify(struct i2c_client *client,
+ uint8_t slave_addr_index, uint8_t reg_offset,
+ uint8_t mask, uint8_t val);
+
+#endif /* CONFIG_FB_MSM_MDSS_HDMI_MHL_SII8334 */
+
enum {
TX_PAGE_TPI = 0x00,
TX_PAGE_L0 = 0x01,
@@ -204,6 +264,7 @@
#define REG_TMDS_CSTAT ((TX_PAGE_3 << 16) | 0x0040)
+#define REG_CBUS_INTR_STATUS ((TX_PAGE_CBUS << 16) | 0x0008)
#define REG_CBUS_INTR_ENABLE ((TX_PAGE_CBUS << 16) | 0x0009)
#define REG_DDC_ABORT_REASON ((TX_PAGE_CBUS << 16) | 0x000B)