include/linux/mhl_8334.h

/* Copyright (c) 2012, Code Aurora Forum. 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
 * only version 2 as published by the Free Software Foundation.
 *
 * 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 __MHL_MSM_H__
#define __MHL_MSM_H__

#include <linux/types.h>
#include <linux/platform_device.h>
#include <mach/board.h>
#include <linux/mhl_devcap.h>
#include <linux/mhl_defs.h>

#define MHL_DEVICE_NAME "sii8334"
#define MHL_DRIVER_NAME "sii8334"

#define HPD_UP               1
#define HPD_DOWN             0

enum discovery_result_enum {
	MHL_DISCOVERY_RESULT_USB = 0,
	MHL_DISCOVERY_RESULT_MHL,
};

struct msc_command_struct {
	u8 command;
	u8 offset;
	u8 length;
	union {
		u8 data[16];
		u8 *burst_data;
	} payload;
	u8 retval;
};

/* USB driver interface  */

#ifdef CONFIG_FB_MSM_HDMI_MHL_8334
 /*  mhl_device_discovery */
extern int mhl_device_discovery(const char *name, int *result);

/* - register|unregister MHL cable plug callback. */
extern int mhl_register_callback
	(const char *name, void (*callback)(int online));
extern int mhl_unregister_callback(const char *name);
#else
static inline int mhl_device_discovery(const char *name, int *result)
{
	return -ENODEV;
}

static inline int
	mhl_register_callback(const char *name, void (*callback)(int online))
{
	return -ENODEV;
}

static inline int mhl_unregister_callback(const char *name)
{
	return -ENODEV;
}
#endif


struct msc_cmd_envelope {
	/*
	 * this list head is for list APIs
	 */
	struct list_head msc_queue_envelope;
	struct msc_command_struct msc_cmd_msg;
};

struct mhl_msm_state_t {
	struct i2c_client *i2c_client;
	struct i2c_driver *i2c_driver;
	uint8_t      cur_state;
	uint8_t chip_rev_id;
	struct msm_mhl_platform_data *mhl_data;
	/* Device Discovery stuff */
	int mhl_mode;
	struct completion rgnd_done;
	struct completion msc_cmd_done;
	uint8_t devcap_state;
	uint8_t path_en_state;
	struct work_struct mhl_msc_send_work;
	struct list_head list_cmd;
	void (*msc_command_put_work) (struct msc_command_struct *);
	struct msc_command_struct* (*msc_command_get_work) (void);
};

enum {
	TX_PAGE_TPI          = 0x00,
	TX_PAGE_L0           = 0x01,
	TX_PAGE_L1           = 0x02,
	TX_PAGE_2            = 0x03,
	TX_PAGE_3            = 0x04,
	TX_PAGE_CBUS         = 0x05,
	TX_PAGE_DDC_EDID     = 0x06,
	TX_PAGE_DDC_SEGM     = 0x07,
};

enum mhl_st_type {
	POWER_STATE_D0_NO_MHL = 0,
	POWER_STATE_D0_MHL    = 2,
	POWER_STATE_D3        = 3,
};

enum {
	DEV_PAGE_TPI_0      = (0x72),
	DEV_PAGE_TX_L0_0    = (0x72),
	DEV_PAGE_TPI_1      = (0x76),
	DEV_PAGE_TX_L0_1    = (0x76),
	DEV_PAGE_TX_L1_0    = (0x7A),
	DEV_PAGE_TX_L1_1    = (0x7E),
	DEV_PAGE_TX_2_0     = (0x92),
	DEV_PAGE_TX_2_1     = (0x96),
	DEV_PAGE_TX_3_0	    = (0x9A),
	DEV_PAGE_TX_3_1	    = (0x9E),
	DEV_PAGE_CBUS       = (0xC8),
	DEV_PAGE_DDC_EDID   = (0xA0),
	DEV_PAGE_DDC_SEGM   = (0x60),
};

#endif /* __MHL_MSM_H__ */