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/*
* VTL CTP driver
*
* Copyright (C) 2016 Freescale Semiconductor, Inc
*
* Using code from:
* - github.com/qdk0901/q98_source:drivers/input/touchscreen/vtl/vtl_ts.h
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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 _TS_CORE_H_
#define _TS_CORE_H_
#include <linux/gpio.h>
#ifdef CONFIG_HAS_EARLYSUSPEND
#include <linux/earlysuspend.h>
#endif
#ifdef TS_DEBUG
#define DEBUG() pr_debug("___%s___\n", __func__)
#else
#define DEBUG()
#endif
/* platform define */
#define COMMON 0x01 /* Samsung,Freescale,Amlogic,actions */
#define ROCKCHIP 0X02
#define ALLWINER 0X03
#define MTK 0X04
/* vtl touch IC define */
#define CT36X 0x01
#define CT360 0x02
/* xy data protocol */
#define OLD_PROTOCOL 0x01
#define NEW_PROTOCOL 0x02
/* vtl ts driver config */
/*platform config*/
#define PLATFORM COMMON
/*vtl ts driver name*/
#define DRIVER_NAME "vtl_ts"
/*vtl chip ID*/
#define CHIP_ID CT36X
#define XY_DATA_PROTOCOL NEW_PROTOCOL
/* maybe not use,please refer to the function
* vtl_ts_config() in the file "vtl_ts.c"
*/
#define SCREEN_MAX_X 1024
#define SCREEN_MAX_y 600
#define TS_IRQ_GPIO_NUM /* RK30_PIN4_PC2 */
#define TS_RST_GPIO_NUM /* RK30_PIN4_PD0 */
#define TS_I2C_SPEED 400000 /* for rockchip */
/* priate define and declare */
#if (CHIP_ID == CT360)
#define TOUCH_POINT_NUM 1
#elif (CHIP_ID == CT36X)
#define TOUCH_POINT_NUM 1
#endif
#if (CHIP_ID == CT360)
struct xy_data {
#if (XY_DATA_PROTOCOL == OLD_PROTOCOL)
unsigned char status:4; /* Action information, 1:Down;
2: Move; 3: Up */
unsigned char id:4; /* ID information, from 1 to
CFG_MAX_POINT_NUM */
#endif
unsigned char xhi; /* X coordinate Hi */
unsigned char yhi; /* Y coordinate Hi */
unsigned char ylo:4; /* Y coordinate Lo */
unsigned char xlo:4; /* X coordinate Lo */
#if (XY_DATA_PROTOCOL == NEW_PROTOCOL)
unsigned char status:4; /* Action information, 1: Down;
2: Move; 3: Up */
unsigned char id:4; /* ID information, from 1 to
CFG_MAX_POINT_NUM */
#endif
};
#else
struct xy_data {
#if (XY_DATA_PROTOCOL == OLD_PROTOCOL)
unsigned char status:3; /* Action information, 1: Down;
2: Move; 3: Up */
unsigned char id:5; /* ID information, from 1 to
CFG_MAX_POINT_NUM */
#endif
unsigned char xhi; /* X coordinate Hi */
unsigned char yhi; /* Y coordinate Hi */
unsigned char ylo:4; /* Y coordinate Lo */
unsigned char xlo:4; /* X coordinate Lo */
#if (XY_DATA_PROTOCOL == NEW_PROTOCOL)
unsigned char status:3; /* Action information, 1: Down;
2: Move; 3: Up */
unsigned char id:5; /* ID information, from 1 to
CFG_MAX_POINT_NUM */
#endif
unsigned char area; /* Touch area */
unsigned char pressure; /* Touch Pressure */
};
#endif
union ts_xy_data {
struct xy_data point[TOUCH_POINT_NUM];
unsigned char buf[TOUCH_POINT_NUM * sizeof(struct xy_data)];
};
struct ts_driver {
struct i2c_client *client;
/* input devices */
struct input_dev *input_dev;
struct proc_dir_entry *proc_entry;
/* Work thread settings */
struct work_struct event_work;
struct workqueue_struct *workqueue;
#ifdef CONFIG_HAS_EARLYSUSPEND
struct early_suspend early_suspend;
#endif
};
struct ts_config_info {
unsigned int screen_max_x;
unsigned int screen_max_y;
unsigned int irq_gpio_number;
unsigned int irq_number;
unsigned int rst_gpio_number;
unsigned char touch_point_number;
unsigned char ctp_used;
unsigned char i2c_bus_number;
unsigned char revert_x_flag;
unsigned char revert_y_flag;
unsigned char exchange_x_y_flag;
int (*tp_enter_init)(void);
void (*tp_exit_init)(int state);
};
struct ts_chip_info {
unsigned char chip_id;
};
struct ts_info {
struct ts_driver *driver;
struct ts_config_info config_info;
struct ts_chip_info chip_info;
union ts_xy_data xy_data;
};
#endif
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