/* drivers/input/touchscreen/gt9xx.h
 *
 * Copyright (c) 2013, The Linux Foundation. All rights reserved.
 *
 * Linux Foundation chooses to take subject only to the GPLv2 license
 * terms, and distributes only under these terms.
 *
 * 2010 - 2013 Goodix Technology.
 *
 * 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 a reference
 * to you, when you are integrating the GOODiX's CTP IC into your system,
 * 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 _GOODIX_GT9XX_H_
#define _GOODIX_GT9XX_H_

#include <linux/kernel.h>
#include <linux/i2c.h>
#include <linux/irq.h>
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/gpio.h>
#include <linux/regulator/consumer.h>
#include <linux/firmware.h>
#include <linux/debugfs.h>

#if defined(CONFIG_FB)
#include <linux/notifier.h>
#include <linux/fb.h>
#elif defined(CONFIG_HAS_EARLYSUSPEND)
#include <linux/earlysuspend.h>
#define GOODIX_SUSPEND_LEVEL 1
#endif

#define GOODIX_MAX_CFG_GROUP	6
struct goodix_ts_platform_data {
	int irq_gpio;
	u32 irq_gpio_flags;
	int reset_gpio;
	u32 reset_gpio_flags;
	const char *product_id;
	u32 x_max;
	u32 y_max;
	u32 x_min;
	u32 y_min;
	u32 panel_minx;
	u32 panel_miny;
	u32 panel_maxx;
	u32 panel_maxy;
	bool no_force_update;
	bool i2c_pull_up;
	size_t config_data_len[GOODIX_MAX_CFG_GROUP];
	u8 *config_data[GOODIX_MAX_CFG_GROUP];
};
struct goodix_ts_data {
	spinlock_t irq_lock;
	struct i2c_client *client;
	struct input_dev  *input_dev;
	struct goodix_ts_platform_data *pdata;
	struct hrtimer timer;
	struct workqueue_struct *goodix_wq;
	struct work_struct	work;
	s32 irq_is_disabled;
	s32 use_irq;
	u16 abs_x_max;
	u16 abs_y_max;
	u8  max_touch_num;
	u8  int_trigger_type;
	u8  green_wake_mode;
	u8  chip_type;
	u8 *config_data;
	u8  enter_update;
	u8  gtp_is_suspend;
	u8  gtp_rawdiff_mode;
	u8  gtp_cfg_len;
	u8  fixed_cfg;
	u8  esd_running;
	u8  fw_error;
	struct regulator *avdd;
	struct regulator *vdd;
	struct regulator *vcc_i2c;
#if defined(CONFIG_FB)
	struct notifier_block fb_notif;
#elif defined(CONFIG_HAS_EARLYSUSPEND)
	struct early_suspend early_suspend;
#endif
};

extern u16 show_len;
extern u16 total_len;

/***************************PART1:ON/OFF define*******************************/
#define GTP_CUSTOM_CFG			0
#define GTP_CHANGE_X2Y			0
#define GTP_DRIVER_SEND_CFG		1
#define GTP_HAVE_TOUCH_KEY		1
#define GTP_POWER_CTRL_SLEEP	0

/* auto updated by .bin file as default */
#define GTP_AUTO_UPDATE			0
/* auto updated by head_fw_array in gt9xx_firmware.h,
 * function together with GTP_AUTO_UPDATE */
#define GTP_HEADER_FW_UPDATE	0

#define GTP_CREATE_WR_NODE		0
#define GTP_ESD_PROTECT			0
#define GTP_WITH_PEN			0

#define GTP_SLIDE_WAKEUP		0
/* double-click wakeup, function together with GTP_SLIDE_WAKEUP */
#define GTP_DBL_CLK_WAKEUP		0

#define GTP_DEBUG_ON			0
#define GTP_DEBUG_ARRAY_ON		0
#define GTP_DEBUG_FUNC_ON		0

/*************************** PART2:TODO define *******************************/
/* STEP_1(REQUIRED): Define Configuration Information Group(s) */
/* Sensor_ID Map: */
/* sensor_opt1 sensor_opt2 Sensor_ID
 *	GND			GND			0
 *	VDDIO		GND			1
 *	NC			GND			2
 *	GND			NC/300K		3
 *	VDDIO		NC/300K		4
 *	NC			NC/300K		5
*/

#define GTP_IRQ_TAB		{\
				IRQ_TYPE_EDGE_RISING,\
				IRQ_TYPE_EDGE_FALLING,\
				IRQ_TYPE_LEVEL_LOW,\
				IRQ_TYPE_LEVEL_HIGH\
				}

/* STEP_3(optional): Specify your special config info if needed */
#define GTP_IRQ_TAB_RISING	0
#define GTP_IRQ_TAB_FALLING	1
#if GTP_CUSTOM_CFG
#define GTP_MAX_HEIGHT		800
#define GTP_MAX_WIDTH		480
#define GTP_INT_TRIGGER		GTP_IRQ_TAB_RISING
#else
#define GTP_MAX_HEIGHT		4096
#define GTP_MAX_WIDTH		4096
#define GTP_INT_TRIGGER		GTP_IRQ_TAB_FALLING
#endif

#define GTP_PRODUCT_ID_MAXSIZE	5
#define GTP_PRODUCT_ID_BUFFER_MAXSIZE	6
#define GTP_FW_VERSION_BUFFER_MAXSIZE	4
#define GTP_MAX_TOUCH		5
#define GTP_ESD_CHECK_CIRCLE	2000      /* jiffy: ms */

/***************************PART3:OTHER define*********************************/
#define GTP_DRIVER_VERSION	"V1.8.1<2013/09/01>"
#define GTP_I2C_NAME		"Goodix-TS"
#define GTP_POLL_TIME		10     /* jiffy: ms*/
#define GTP_ADDR_LENGTH		2
#define GTP_CONFIG_MIN_LENGTH	186
#define GTP_CONFIG_MAX_LENGTH	240
#define FAIL			0
#define SUCCESS			1
#define SWITCH_OFF		0
#define SWITCH_ON		1

/* Registers define */
#define GTP_READ_COOR_ADDR	0x814E
#define GTP_REG_SLEEP		0x8040
#define GTP_REG_SENSOR_ID	0x814A
#define GTP_REG_CONFIG_DATA	0x8047
#define GTP_REG_FW_VERSION	0x8144
#define GTP_REG_PRODUCT_ID	0x8140

#define RESOLUTION_LOC		3
#define TRIGGER_LOC		8

#define CFG_GROUP_LEN(p_cfg_grp) (sizeof(p_cfg_grp) / sizeof(p_cfg_grp[0]))
/* Log define */
#define GTP_DEBUG(fmt, arg...)	do {\
		if (GTP_DEBUG_ON) {\
			pr_debug("<<-GTP-DEBUG->> [%d]"fmt"\n",\
				__LINE__, ##arg); } \
		} while (0)

#define GTP_DEBUG_ARRAY(array, num)    do {\
		s32 i; \
		u8 *a = array; \
		if (GTP_DEBUG_ARRAY_ON) {\
			pr_debug("<<-GTP-DEBUG-ARRAY->>\n");\
			for (i = 0; i < (num); i++) { \
				pr_debug("%02x   ", (a)[i]);\
				if ((i + 1) % 10 == 0) { \
					pr_debug("\n");\
				} \
			} \
			pr_debug("\n");\
		} \
	} while (0)

#define GTP_DEBUG_FUNC()	do {\
	if (GTP_DEBUG_FUNC_ON)\
		pr_debug("<<-GTP-FUNC->> Func:%s@Line:%d\n",\
					__func__, __LINE__);\
	} while (0)

#define GTP_SWAP(x, y)		do {\
					typeof(x) z = x;\
					x = y;\
					y = z;\
				} while (0)
/*****************************End of Part III********************************/

void gtp_esd_switch(struct i2c_client *client, int on);

#if GTP_CREATE_WR_NODE
extern s32 init_wr_node(struct i2c_client *client);
extern void uninit_wr_node(void);
#endif

#if GTP_AUTO_UPDATE
extern u8 gup_init_update_proc(struct goodix_ts_data *ts);
#endif
#endif /* _GOODIX_GT9XX_H_ */