diff options
Diffstat (limited to 'drivers/input/touchscreen/vtl/vtl_ts.h')
| -rw-r--r-- | drivers/input/touchscreen/vtl/vtl_ts.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/vtl/vtl_ts.h b/drivers/input/touchscreen/vtl/vtl_ts.h new file mode 100644 index 000000000000..9f61565d6639 --- /dev/null +++ b/drivers/input/touchscreen/vtl/vtl_ts.h @@ -0,0 +1,181 @@ +/* + * 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 |