/*
 * include/linux/goodix_touch.h
 *
 * Copyright (C) 2008 Goodix, Inc.
 *
 * 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_GOODIX_TOUCH_H
#define	_LINUX_GOODIX_TOUCH_H

#define GOODIX_I2C_NAME "Goodix-TS"
#define GUITAR_GT80X
#define TOUCH_MAX_HEIGHT	7680
#define TOUCH_MAX_WIDTH		5120

#define GTP_HAVE_TOUCH_KEY    0
#if GTP_HAVE_TOUCH_KEY
#define GTP_MAX_KEY_NUM	      3
#endif

#define SHUTDOWN_PORT                ()
#define INT_PORT                     (SW_INT_IRQNO_PIO)

#define GOODIX_MULTI_TOUCH
#ifndef GOODIX_MULTI_TOUCH
#define MAX_FINGER_NUM 5
#else
#define MAX_FINGER_NUM 5
#endif
#if defined(INT_PORT)
	#if MAX_FINGER_NUM <= 3
	#define READ_BYTES_NUM (1+2+MAX_FINGER_NUM*5)
	#elif MAX_FINGER_NUM == 4
	#define READ_BYTES_NUM (1+28)
	#elif MAX_FINGER_NUM == 5
	#define READ_BYTES_NUM (1+34)
	#endif
#else
	#define READ_BYTES_NUM (1+34)
#endif

/* #define swap(x, y) do { typeof(x) z = x; x = y; y = z; } while (0) */

enum finger_state {
#define FLAG_MASK 0x01
	FLAG_UP = 0,
	FLAG_DOWN = 1,
	FLAG_INVALID = 2,
};


struct point_node {
	uint8_t id;
	enum finger_state state;
	uint8_t pressure;
	unsigned int x;
	unsigned int y;
};
struct ts_event {
	u16	x1;
	u16	y1;
	u16	x2;
	u16	y2;
	u16	x3;
	u16	y3;
	u16	x4;
	u16	y4;
	u16	x5;
	u16	y5;
	u16	pressure;
	u8	touch_point;
};

/* Notice: This definition used by platform_data.
 * It should be move this struct info to platform head file such as plat/ts.h.
 * If not used in client, it will be NULL in function of goodix_ts_probe.
 */
struct goodix_i2c_platform_data {
	uint32_t gpio_irq;		/* IRQ port, use macro such as "gpio_to_irq" to get Interrupt Number. */
	uint32_t irq_cfg;		/* IRQ port config, must refer to master's Datasheet. */
	uint32_t gpio_shutdown;		/* Shutdown port number */
	uint32_t shutdown_cfg;		/* Shutdown port config */
	uint32_t screen_width;		/* screen width */
	uint32_t screen_height;		/* screen height */
};

#endif /* _LINUX_GOODIX_TOUCH_H */