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/*
* File : focaltech_ts.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
*
* 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 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.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2017-01-01 Urey first version
*/
#ifndef _FOCALTECH_TS_H_
#define _FOCALTECH_TS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
/* -- dirver configure -- */
#define FTS_SLAVE_ADDR (0x70 >> 1)
#define CFG_MAX_TOUCH_POINTS 10
#define FTS_PRESS_MAX 0xFF
#define FTS_PRESS 0x08
#define FTS_NAME "FTS"
#define FTS_INPUT_DEV_NAME "focal-touchscreen"
#define FTS_MAX_ID 0x0F
#define FTS_TOUCH_STEP 6
#define FTS_TOUCH_X_H_POS 3
#define FTS_TOUCH_X_L_POS 4
#define FTS_TOUCH_Y_H_POS 5
#define FTS_TOUCH_Y_L_POS 6
#define FTS_TOUCH_XY_POS 7
#define FTS_TOUCH_MISC 8
#define FTS_TOUCH_EVENT_POS 3
#define FTS_TOUCH_ID_POS 5
#define FT_TOUCH_POINT_NUM 2
#define POINT_READ_BUF (3 + FTS_TOUCH_STEP * CFG_MAX_TOUCH_POINTS)
/*register address*/
#define FTS_REG_CHIP_ID 0xA3 //chip ID
#define FTS_REG_FW_VER 0xA6
#define FTS_REG_POINT_RATE 0x88
#define FTS_REG_THGROUP 0x80
#define FTS_REG_VENDOR_ID 0xA8
#define FTS_ENABLE_IRQ 1
#define FTS_DISABLE_IRQ 0
#define TPD_MAX_POINTS_2 2
#define TPD_MAX_POINTS_5 5
#define TPD_MAXPOINTS_10 10
#define AUTO_CLB_NEED 1
#define AUTO_CLB_NONEED 0
#define TOUCH_SWAP_XY 1
#define TOUCH_SWAP_X 0
#define TOUCH_SWAP_Y 1
struct Upgrade_Info
{
uint8_t CHIP_ID;
uint8_t FTS_NAME_INFO[20];
uint8_t TPD_MAX_POINTS;
uint8_t AUTO_CLB;
uint16_t delay_aa; /*delay of write FTS_UPGRADE_AA */
uint16_t delay_55; /*delay of write FTS_UPGRADE_55 */
uint8_t upgrade_id_1; /*upgrade id 1 */
uint8_t upgrade_id_2; /*upgrade id 2 */
uint16_t delay_readid; /*delay of read id */
uint16_t delay_earse_flash; /*delay of earse flash*/
};
/* The platform data for the Focaltech focaltech touchscreen driver */
struct fts_platform_data
{
uint32_t gpio_irq; /* IRQ port*/
uint32_t irq_cfg;
uint32_t gpio_wakeup; /* Wakeup support*/
uint32_t wakeup_cfg;
uint32_t gpio_reset; /* Reset support*/
uint32_t reset_cfg;
int screen_max_x;
int screen_max_y;
int pressure_max;
};
struct fts_event
{
uint16_t au16_x[CFG_MAX_TOUCH_POINTS]; /*x coordinate */
uint16_t au16_y[CFG_MAX_TOUCH_POINTS]; /*y coordinate */
uint8_t au8_touch_event[CFG_MAX_TOUCH_POINTS]; /*touch event:0 -- down; 1-- contact; 2 -- contact */
uint8_t au8_finger_id[CFG_MAX_TOUCH_POINTS]; /*touch ID */
uint8_t au8_finger_weight[CFG_MAX_TOUCH_POINTS]; /*touch weight */
uint8_t pressure[CFG_MAX_TOUCH_POINTS];
uint8_t area[CFG_MAX_TOUCH_POINTS];
uint8_t touch_point;
uint8_t touch_point_num;
};
struct focal_i2c_platform_data
{
uint16_t version;
int abs_x_min;
int abs_x_max;
int abs_y_min;
int abs_y_max;
int intr_gpio;
int rst_gpio;
};
struct fts_ts_data
{
uint8_t addr;
uint8_t fw_ver; //firmware version
uint32_t x_min,x_max;
uint32_t y_min,y_max;
uint32_t init_success;
struct fts_event event;
struct rt_i2c_bus_device *i2c_bus;
struct rt_semaphore sem;
int touchs;
};
void fts_ts_interrupt_cb(struct fts_ts_data *fts_ts);
int fts_ts_probe(struct fts_ts_data *fts_ts,struct rt_i2c_bus_device *i2c_bus, const uint8_t addr);
#ifdef __cplusplus
}
#endif
#endif /* _FOCALTECH_TS_H_ */
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