Lockpick_RCM/bdk/input/touch.h
2021-05-12 15:38:34 -06:00

175 lines
5.1 KiB
C

/*
* Touch driver for Nintendo Switch's STM FingerTip S (4CD60D) touch controller
*
* Copyright (c) 2018 langerhans
* Copyright (c) 2018-2020 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TOUCH_H_
#define __TOUCH_H_
#include <utils/types.h>
#define STMFTS_I2C_ADDR 0x49
/* I2C commands */
#define STMFTS_READ_INFO 0x80
#define STMFTS_READ_STATUS 0x84
#define STMFTS_READ_ONE_EVENT 0x85
#define STMFTS_READ_ALL_EVENT 0x86
#define STMFTS_LATEST_EVENT 0x87
#define STMFTS_SLEEP_IN 0x90
#define STMFTS_SLEEP_OUT 0x91
#define STMFTS_MS_MT_SENSE_OFF 0x92
#define STMFTS_MS_MT_SENSE_ON 0x93
#define STMFTS_SS_HOVER_SENSE_OFF 0x94
#define STMFTS_SS_HOVER_SENSE_ON 0x95
#define STMFTS_LP_TIMER_CALIB 0x97
#define STMFTS_MS_KEY_SENSE_OFF 0x9A
#define STMFTS_MS_KEY_SENSE_ON 0x9B
#define STMFTS_SYSTEM_RESET 0xA0
#define STMFTS_CLEAR_EVENT_STACK 0xA1
#define STMFTS_FULL_FORCE_CALIBRATION 0xA2
#define STMFTS_MS_CX_TUNING 0xA3
#define STMFTS_SS_CX_TUNING 0xA4
#define STMFTS_ITO_CHECK 0xA7
#define STMFTS_RELEASEINFO 0xAA
#define STMFTS_WRITE_REG 0xB6
#define STMFTS_SWITCH_SENSE_MODE 0xC3
#define STMFTS_NOISE_WRITE 0xC7
#define STMFTS_NOISE_READ 0xC8
#define STMFTS_RW_FRAMEBUFFER_REG 0xD0
#define STMFTS_SAVE_CX_TUNING 0xFC
#define STMFTS_REQU_COMP_DATA 0xB8
#define STMFTS_VENDOR 0xCF
#define STMFTS_FLASH_UNLOCK 0xF7
#define STMFTS_FLASH_WRITE_64K 0xF8
#define STMFTS_FLASH_STATUS 0xF9
#define STMFTS_FLASH_OP 0xFA
#define STMFTS_UNK5 0x62
/* cmd parameters */
#define STMFTS_VENDOR_GPIO_STATE 0x01
#define STMFTS_VENDOR_SENSE_MODE 0x02
#define STMFTS_STYLUS_MODE 0x00
#define STMFTS_FINGER_MODE 0x01
#define STMFTS_HOVER_MODE 0x02
/* events */
#define STMFTS_EV_NO_EVENT 0x00
#define STMFTS_EV_MULTI_TOUCH_DETECTED 0x02
#define STMFTS_EV_MULTI_TOUCH_ENTER 0x03
#define STMFTS_EV_MULTI_TOUCH_LEAVE 0x04
#define STMFTS_EV_MULTI_TOUCH_MOTION 0x05
#define STMFTS_EV_HOVER_ENTER 0x07
#define STMFTS_EV_HOVER_LEAVE 0x08
#define STMFTS_EV_HOVER_MOTION 0x09
#define STMFTS_EV_KEY_STATUS 0x0e
#define STMFTS_EV_ERROR 0x0f
#define STMFTS_EV_NOISE_READ 0x17
#define STMFTS_EV_NOISE_WRITE 0x18
#define STMFTS_EV_VENDOR 0x20
#define STMFTS_EV_CONTROLLER_READY 0x10
#define STMFTS_EV_STATUS 0x16
#define STMFTS_EV_DEBUG 0xDB
#define STMFTS_EV_STATUS_MS_CX_TUNING_DONE 1
#define STMFTS_EV_STATUS_SS_CX_TUNING_DONE 2
#define STMFTS_EV_STATUS_WRITE_CX_TUNE_DONE 4
/* multi touch related event masks */
#define STMFTS_MASK_EVENT_ID 0x0F
#define STMFTS_MASK_TOUCH_ID 0xF0
#define STMFTS_MASK_LEFT_EVENT 0x0F
#define STMFTS_MASK_X_MSB 0x0F
#define STMFTS_MASK_Y_LSB 0xF0
/* key related event masks */
#define STMFTS_MASK_KEY_NO_TOUCH 0x00
#define STMFTS_MASK_KEY_MENU 0x01
#define STMFTS_MASK_KEY_BACK 0x02
#define STMFTS_EVENT_SIZE 8
#define STMFTS_STACK_DEPTH 32
#define STMFTS_DATA_MAX_SIZE (STMFTS_EVENT_SIZE * STMFTS_STACK_DEPTH)
#define STMFTS_MAX_FINGERS 10
typedef enum _touch_ito_error {
ITO_NO_ERROR = 0,
ITO_FORCE_OPEN,
ITO_SENSE_OPEN,
ITO_FORCE_SHRT_GND,
ITO_SENSE_SHRT_GND,
ITO_FORCE_SHRT_VCM,
ITO_SENSE_SHRT_VCM,
ITO_FORCE_SHRT_FORCE,
ITO_SENSE_SHRT_SENSE,
ITO_F2E_SENSE,
ITO_FPC_FORCE_OPEN,
ITO_FPC_SENSE_OPEN,
ITO_KEY_FORCE_OPEN,
ITO_KEY_SENSE_OPEN,
ITO_RESERVED0,
ITO_RESERVED1,
ITO_RESERVED2,
ITO_MAX_ERR_REACHED = 0xFF
} touch_ito_error;
typedef struct _touch_event {
u8 raw[8];
u16 type; // Event type.
u16 x; // Horizontal coordinates.
u16 y; // Vertical coordinates.
u32 z;
u8 fingers;
bool touch;
} touch_event;
typedef struct _touch_panel_info_t
{
u8 idx;
u8 gpio0;
u8 gpio1;
u8 gpio2;
char *vendor;
} touch_panel_info_t;
typedef struct _touch_info {
u16 chip_id;
u16 fw_ver;
u16 config_id;
u16 config_ver;
} touch_info;
typedef struct _touch_fw_info_t {
u32 fw_id;
u16 ftb_ver;
u16 fw_rev;
} touch_fw_info_t;
void touch_poll(touch_event *event);
touch_event touch_poll_wait();
touch_panel_info_t *touch_get_panel_vendor();
int touch_get_fw_info(touch_fw_info_t *fw);
touch_info touch_get_info();
int touch_panel_ito_test(u8 *err);
int touch_execute_autotune();
int touch_sense_enable();
int touch_power_on();
void touch_power_off();
#endif /* __TOUCH_H_ */