drivers/input/touchscreen/ist30xx.h

/*
 *  Copyright (C) 2010, Imagis Technology Co. Ltd. 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 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.
 *
 */

#ifndef __IST30XX_H__
#define __IST30XX_H__

#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
/*
 * Support F/W ver : IST3000 v2.2~v3.2.1 (included tag)
 * Release : 2013.02.05 by Ian
 */

#define I2C_BURST_MODE          (1)

#define IST30XX_DEBUG           (1)
#define IST30XX_DETECT_TA       (1)
#define IST30XX_USE_KEY         (1)

#define SEC_FACTORY_TEST        (1)

#define IST30XX_DEV_NAME        "sec_touch"
#define IST30XX_CHIP_ID         (0x30003000)
#define IST30XXA_CHIP_ID        (0x300a300a)

#define IST30XX_DEV_ID          (0xA0 >> 1)
#define IST30XX_FW_DEV_ID       (0xA4 >> 1)

#define IST30XX_ADDR_LEN        (4)
#define IST30XX_DATA_LEN        (4)

#define IST30XX_MAX_MT_FINGERS  (10)

#define IST30XX_MAX_X           (480)
#define IST30XX_MAX_Y           (800)
#define IST30XX_MAX_Z           (255)
#define IST30XX_MAX_W           (15)

#define TX_NUM		19
#define RX_NUM		12
#define NODE_NUM	228 /* 19x12 */
/* VSC(Vender Specific Command)  */
#define MMS_VSC_CMD			0xB0	/* vendor specific command */
#define MMS_VSC_MODE			0x1A	/* mode of vendor */
#define MMS_VSC_CMD_ENTER		0X01
#define MMS_VSC_CMD_CM_DELTA		0X02
#define MMS_VSC_CMD_CM_ABS		0X03
#define MMS_VSC_CMD_EXIT		0X05
#define MMS_VSC_CMD_INTENSITY		0X04
#define MMS_VSC_CMD_RAW			0X06
#define MMS_VSC_CMD_REFER		0X07
#define VSC_INTENSITY_TK		0x14
#define VSC_RAW_TK			0x16
#define VSC_THRESHOLD_TK		0x18
#define TSP_CMD_STR_LEN			32
#define TSP_CMD_RESULT_STR_LEN		512
#define TSP_CMD_PARAM_NUM		8
#define IST30XX_USE_ZVALUE      (1)


#if IST30XX_DEBUG
#define DMSG(x ...) printk(KERN_DEBUG x)
#else
#define DMSG(x ...)
#endif

/* I2C Transfer msg number */
#define WRITE_CMD_MSG_LEN       (1)
#define READ_CMD_MSG_LEN        (2)


enum ist30xx_commands {
	CMD_ENTER_UPDATE            = 0x02,
	CMD_EXIT_UPDATE             = 0x03,
	CMD_UPDATE_SENSOR           = 0x04,
	CMD_UPDATE_CONFIG           = 0x05,
	CMD_ENTER_REG_ACCESS        = 0x07,
	CMD_EXIT_REG_ACCESS         = 0x08,
	CMD_SET_TA_MODE             = 0x0A,
	CMD_START_SCAN              = 0x0B,
	CMD_ENTER_FW_UPDATE         = 0x0C,
	CMD_RUN_DEVICE              = 0x0D,

	CMD_CALIBRATE               = 0x11,
	CMD_USE_IDLE                = 0x12,
	CMD_USE_DEBUG               = 0x13,
	CMD_ZVALUE_MODE             = 0x15,

	CMD_GET_COORD               = 0x20,

	CMD_GET_CHIP_ID             = 0x30,
	CMD_GET_FW_VER              = 0x31,
	CMD_GET_CHECKSUM            = 0x32,
	CMD_GET_LCD_RESOLUTION      = 0x33,
	CMD_GET_TSP_CHNUM1          = 0x34,
	CMD_GET_PARAM_VER           = 0x35,
	CMD_GET_CALIB_RESULT        = 0x37,
	CMD_GET_TSP_SWAP_INFO       = 0x38,
	CMD_GET_KEY_INFO1           = 0x39,
	CMD_GET_KEY_INFO2           = 0x3A,
	CMD_GET_KEY_INFO3           = 0x3B,
	CMD_GET_TSP_CHNUM2          = 0x3C,
	CMD_GET_TSP_DIRECTION       = 0x3D,

	CMD_GET_TSP_VENDOR          = 0x3E,
};


typedef union {
	struct {
		u32	y:10;
		u32	w:6;
		u32	x:10;
		u32	id:4;
		u32	udmg:2;
	} bit_field;
	u32 full_field;
} finger_info;


struct ist30xx_status {
	int	power;
	int	calib;
	int	fw_update;
};

struct ist30xx_fw {
	u32	pre_ver;
	u32	ver;
	u32	index;
	u32	size;
	u32	chksum;
};

#define IST30XX_TAG_MAGIC       "ISTV1TAG"
struct ist30xx_tags {
	char	magic1[8];
	u32	fw_addr;
	u32	fw_size;
	u32	flag_addr;
	u32	flag_size;
	u32	cfg_addr;
	u32	cfg_size;
	u32	sensor1_addr;
	u32	sensor1_size;
	u32	sensor2_addr;
	u32	sensor2_size;
	u32	chksum;
	u32	reserved2;
	char	magic2[8];
};

//#include <linux/earlysuspend.h>
struct ist30xx_data {
	struct i2c_client *client;
	struct input_dev *input_dev;
#ifdef CONFIG_HAS_EARLYSUSPEND
	struct early_suspend	early_suspend;
#endif
	struct ist30xx_status	status;
	struct ist30xx_fw	fw;
	struct ist30xx_tags	tags;
	u32			chip_id;
	u32			param_ver;
	u32			num_fingers;
	u32			irq_enabled;
	finger_info		fingers[IST30XX_MAX_MT_FINGERS];
/*#if defined(SEC_TSP_FACTORY_TEST)*/
	struct list_head			cmd_list_head;
	unsigned char cmd_state;
	char			cmd[TSP_CMD_STR_LEN];
	int			cmd_param[TSP_CMD_PARAM_NUM];
	char			cmd_result[TSP_CMD_RESULT_STR_LEN];
	struct mutex			cmd_lock;
	bool			cmd_is_running;
	unsigned int reference[NODE_NUM];
	unsigned int raw[NODE_NUM]; /* CM_ABS */
	unsigned int inspection[NODE_NUM];/* CM_DELTA */
	unsigned int intensity[NODE_NUM];
	bool ft_flag;
/*#endif*/				/* SEC_TSP_FACTORY_TEST */
};


extern struct mutex ist30xx_mutex;

void ist30xx_enable_irq(struct ist30xx_data *data);
void ist30xx_disable_irq(struct ist30xx_data *data);

void ist30xx_start(struct ist30xx_data *data);
int ist30xx_init_touch_driver(struct ist30xx_data *data);

int ist30xx_get_position(struct i2c_client *client, u32 *buf, u16 len);

int ist30xx_read_cmd(struct i2c_client *client, u32 cmd, u32 *buf);
int ist30xx_write_cmd(struct i2c_client *client, u32 cmd, u32 val);

int ist30xx_cmd_run_device(struct i2c_client *client);
int ist30xx_cmd_start_scan(struct i2c_client *client);
int ist30xx_cmd_calibrate(struct i2c_client *client);
int ist30xx_cmd_update(struct i2c_client *client, int cmd);
int ist30xx_cmd_reg(struct i2c_client *client, int cmd);

int ist30xx_power_on(void);
int ist30xx_power_off(void);
int ist30xx_reset(void);

int ist30xx_internal_suspend(struct ist30xx_data *data);
int ist30xx_internal_resume(struct ist30xx_data *data);
void ts_power_enable(int en);
int ist30xx_sec_sysfs(void);
int ist30xx_init_system(void);

#endif  /*__IST30XX_H__*/