/****************************************************************
 *
 * sn310m-touch-pdata.c
 *
 * Copyright (c) 2013 SEMISENS Co.,Ltd
 *      http://www.semisens.com
 *
 ****************************************************************/

#ifndef __TOUCH_PDATA_H
#define __TOUCH_PDATA_H

#ifdef CONFIG_HAS_EARLYSUSPEND
	#include <linux/earlysuspend.h>
#endif

#include <linux/interrupt.h>

#ifndef errlog
#define errlog(fmt, args...) printk(KERN_ERR "[%s:%d]: " fmt, __FUNCTION__, __LINE__ ,## args)
#endif


//#define	DEBUG_TOUCH

#undef dbg
#ifdef DEBUG_TOUCH
#define dbg(fmt, args...) printk(KERN_ERR "[%s:%d]: " fmt, __FUNCTION__, __LINE__ ,## args)
#else
#define dbg(fmt, args...) 
#endif

#undef MSM_GPIO_TO_INT 
#define MSM_GPIO_TO_INT(a)	(a)




#define	I2C_TOUCH_NAME		"SN310M"
#define	I2C_SEND_MAX_SIZE	512			// I2C Send/Receive data max size

//--------------------------------------------
// Button struct (1 = press, 0 = release)
//--------------------------------------------
typedef struct button__t {
	unsigned char bt0_press	:1;		// lsb
	unsigned char bt1_press	:1;		
	unsigned char bt2_press	:1;
	unsigned char bt3_press	:1;
	unsigned char bt4_press	:1;
	unsigned char bt5_press	:1;
	unsigned char bt6_press	:1;
	unsigned char bt7_press	:1;		// msb
} __attribute__ ((packed)) button_t;

typedef union button__u {
	unsigned char	ubyte;
	button_t		bits;
} __attribute__ ((packed)) button_u;

//--------------------------------------------
// Touch Event type define
//--------------------------------------------
#define	TS_EVENT_UNKNOWN	0x00
#define	TS_EVENT_PRESS		0x01
#define	TS_EVENT_MOVE		0x02
#define	TS_EVENT_RELEASE	0x03

typedef struct finger__t {
	unsigned int status;	// true : ts data updated, false : no update data
	unsigned int event;		// ts event type
	unsigned int id;		// ts received id
	unsigned int x;			// ts data x
	unsigned int y;			// ts data y
	unsigned int area;		// ts finger area
	unsigned int pressure;	// ts finger pressure
} __attribute__ ((packed)) finger_t;

struct touch {
	int						irq;
	struct i2c_client		*client;
	struct touch_pdata		*pdata;
	struct input_dev		*input;
	char					phys[32];

	finger_t				*finger;		// finger data
	struct mutex			mutex;

	// sysfs control flags
	unsigned char			disabled;		// interrupt status
	unsigned char			fw_version;
	
	unsigned char			*fw_buf;
	unsigned int			fw_size;
	int						fw_status;

	// irq func used
	struct workqueue_struct	*work_queue;
	struct work_struct		work;
	
	// noise filter work
	struct delayed_work		filter_dwork;

#if	defined(CONFIG_HAS_EARLYSUSPEND)
	struct early_suspend	power;
#endif	
};

struct i2c_client;
struct input_dev;
struct device;

#define	IRQ_MODE_THREAD		0
#define	IRQ_MODE_NORMAL		1
#define	IRQ_MODE_POLLING	2

//--------------------------------------------
// IRQ type & trigger action
//--------------------------------------------
//
// IRQF_TRIGGER_RISING, IRQF_TRIGGER_FALLING, IRQF_TRIGGER_HIGH, IRQF_TRIGGER_LOW
// IRQF_DISABLED, IRQF_SHARED, IRQF_IRQPOLL, IRQF_ONESHOT, IRQF_NO_THREAD
//
//--------------------------------------------
struct touch_pdata {
	char	*name;					// input drv name

	int 	irq_gpio;				// irq gpio define
	int 	reset_gpio;				// reset gpio define
	int 	reset_level;			// reset level setting (1 = High reset, 0 = Low reset)

	int		irq_mode;				// IRQ_MODE_THREAD, IRQ_MODE_NORMAL, IRQ_MODE_POLLING
	int 	irq_flags;				// irq flags setup : Therad irq mode(IRQF_TRIGGER_HIGH | IRQF_ONESHOT)

	int		abs_max_x, abs_max_y;
	int 	abs_min_x, abs_min_y;
	
	int 	area_max, area_min;
	int		press_max, press_min;
	int		id_max, id_min;
	
	int		vendor, product, version;

	int		max_fingers;
	
	int		*keycode, keycnt;
	int		lcd_exchg;

	//--------------------------------------------
	// Control function 
	//--------------------------------------------
	void 		(*gpio_init)	(void);	// gpio early-init function

	irqreturn_t	(*irq_func)		(int irq, void *handle);
	void		(*touch_work)	(struct touch *ts);
	
	void 		(*report)		(struct touch *ts);
	void		(*key_report)	(struct touch *ts, unsigned char button_data);

	int			(*early_probe)	(struct touch *ts);
	int			(*probe)		(struct touch *ts);
	void		(*enable)		(struct touch *ts);
	void		(*disable)		(struct touch *ts);
	int 		(*input_open)	(struct input_dev *input);
	void		(*input_close)	(struct input_dev *input);

	void		(*event_clear)	(struct touch *ts);

#ifdef	CONFIG_HAS_EARLYSUSPEND
	void		(*resume)		(struct early_suspend *h);
	void		(*suspend)		(struct early_suspend *h);
#endif

	/* by limst, added to control power for touch IC */
	int			(*power)		(int on);

	//--------------------------------------------
	// I2C control function
	//--------------------------------------------
	int		(*i2c_write)		(struct i2c_client *client, unsigned char *cmd, unsigned int cmd_len, unsigned char *data, unsigned int len);
	int		(*i2c_read)			(struct i2c_client *client, unsigned char *cmd, unsigned int cmd_len, unsigned char *data, unsigned int len);

	//--------------------------------------------
	// Firmware update control function
	//--------------------------------------------
	char	*fw_filename;
	int		fw_filesize;

	int		(*i2c_boot_write)	(struct i2c_client *client, unsigned char *cmd, unsigned int cmd_len, unsigned char *data, unsigned int len);
	int		(*i2c_boot_read)	(struct i2c_client *client, unsigned char *cmd, unsigned int cmd_len, unsigned char *data, unsigned int len);
	int		(*fw_control)		(struct touch *ts, unsigned int fw_status);
	int		(*flash_firmware)	(struct device *dev, const char *fw_name);

	//--------------------------------------------
	// Calibration control function
	//--------------------------------------------
	int		(*calibration)		(struct touch *ts);
};

#endif // __TOUCH_PDATA_H