/*
 *
 * FocalTech ft5x06 TouchScreen driver header file.
 *
 * Copyright (c) 2010  Focal tech Ltd.
 * Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
 *
 * 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 __LINUX_FT5X06_TS_H__
#define __LINUX_FT5X06_TS_H__

#define FT_CHIP_ID 0xA3
#define FT_FW_VER_REG 0xA6
#define FT_FW_VENDOR_ID 0xA8
#define FT_REPORT_RATE 0x88

#define WORK_REGISTER_THRESHOLD		0x00
#define WORK_REGISTER_REPORT_RATE	0x08
#define WORK_REGISTER_GAIN		0x30
#define WORK_REGISTER_OFFSET		0x31
#define WORK_REGISTER_NUM_X		0x33
#define WORK_REGISTER_NUM_Y		0x34

#define M09_REGISTER_THRESHOLD		0x80
#define M09_REGISTER_GAIN		0x92
#define M09_REGISTER_OFFSET		0x93
#define M09_REGISTER_NUM_X		0x94
#define M09_REGISTER_NUM_Y		0x95

#define NO_REGISTER			0xff

#define WORK_REGISTER_OPMODE		0x3c
#define FACTORY_REGISTER_OPMODE		0x01

#define TOUCH_EVENT_DOWN		0x00
#define TOUCH_EVENT_UP			0x01
#define TOUCH_EVENT_ON			0x02
#define TOUCH_EVENT_RESERVED		0x03

#define EDT_NAME_LEN			23
#define EDT_SWITCH_MODE_RETRIES		10
#define EDT_SWITCH_MODE_DELAY		5 /* msec */
#define EDT_RAW_DATA_RETRIES		100
#define EDT_RAW_DATA_DELAY		1 /* msec */

enum edt_ver {
	M06,
	M09,
};

struct edt_reg_addr {
	int reg_threshold;
	int reg_report_rate;
	int reg_gain;
	int reg_offset;
	int reg_num_x;
	int reg_num_y;
};

struct edt_ft5x06_ts_data {
	struct i2c_client *client;
	struct input_dev *input;
  struct touchscreen_properties prop;
	u16 num_x;
	u16 num_y;

	struct gpio_desc *reset_gpio;
	struct gpio_desc *wake_gpio;
  struct gpio_desc *irq_gpio;

#if defined(CONFIG_DEBUG_FS)
	struct dentry *debug_dir;
	u8 *raw_buffer;
	size_t raw_bufsize;
#endif

	struct mutex mutex;
	bool factory_mode;
	int threshold;
	int gain;
	int offset;
	int report_rate;
	int max_support_points;

	char name[EDT_NAME_LEN];

	struct edt_reg_addr reg_addr;
	enum edt_ver version;
  u16 vendor;
  u16 product;
  u16 fw_ver;
};

struct edt_i2c_chip_data {
	int  max_support_points;
  int	 intr_gpio;
	int	 rst_gpio;
	int	 abs_x_max;
	int	 abs_y_max;
};
#define FTXXXX_RESET_PIN_NAME	"ftxxxx-rst"
#define FTXXXX_INT_PIN_NAME	"ftxxxx-int"
#define PRESS_MAX	0xFF
#define	FTS_PACKET_LENGTH			128
#define FT_UPGRADE_AA         0xAA
#define FT_UPGRADE_55         0x55
#define FT_APP_INFO_ADDR      0xd7f8
#define FTS_UPGRADE_LOOP  5
#define FT_5626_DELAY_AA 2
#define FT_5626_DELAY_55 2
#define FT_5626_UPDATE_ID_1 0x58
#define FT_5626_UPDATE_ID_2 0x2c
#define FT_5626_DELAY_READ_ID 20
#define FT_5626_DELAY_UPGRADE_EARSE 2000
extern int edt_ft5x06_ts_readwrite(struct i2c_client *client,
				   u16 wr_len, u8 *wr_buf,
				   u16 rd_len, u8 *rd_buf);

extern int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata,
				     u8 addr, u8 value);

extern int edt_ft5x06_register_read(struct edt_ft5x06_ts_data *tsdata,
				    u8 addr);
extern int auto_update_ft5626(struct edt_ft5x06_ts_data *tsdata);
extern int update_ft5626_fw(struct edt_ft5x06_ts_data *tsdata);

#endif