mirror of
https://github.com/CTCaer/hekate
synced 2024-11-16 17:09:27 +00:00
115 lines
3.5 KiB
C
115 lines
3.5 KiB
C
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/*
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* Touch driver for Nintendo Switch's STMicroelectronics FingerTip S touch controller
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*
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* Copyright (c) 2018 langerhans
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* Copyright (c) 2018 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TOUCH_H_
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#define __TOUCH_H_
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#include "../utils/types.h"
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#define STMFTS_I2C_ADDR 0x49
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/* I2C commands */
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#define STMFTS_READ_INFO 0x80
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#define STMFTS_READ_STATUS 0x84
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#define STMFTS_READ_ONE_EVENT 0x85
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#define STMFTS_READ_ALL_EVENT 0x86
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#define STMFTS_LATEST_EVENT 0x87
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#define STMFTS_SLEEP_IN 0x90
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#define STMFTS_SLEEP_OUT 0x91
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#define STMFTS_MS_MT_SENSE_OFF 0x92
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#define STMFTS_MS_MT_SENSE_ON 0x93
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#define STMFTS_SS_HOVER_SENSE_OFF 0x94
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#define STMFTS_SS_HOVER_SENSE_ON 0x95
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#define STMFTS_MS_KEY_SENSE_OFF 0x9A
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#define STMFTS_MS_KEY_SENSE_ON 0x9B
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#define STMFTS_SYSTEM_RESET 0xA0
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#define STMFTS_CLEAR_EVENT_STACK 0xA1
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#define STMFTS_FULL_FORCE_CALIBRATION 0xA2
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#define STMFTS_MS_CX_TUNING 0xA3
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#define STMFTS_SS_CX_TUNING 0xA4
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#define STMFTS_RELEASEINFO 0xAA
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#define STMFTS_WRITE_REG 0xB6
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#define STMFTS_RW_FB_REG 0xD0 // read data
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#define STMFTS_UNK0 0xB8 //Request compensation
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#define STMFTS_UNK1 0xCF
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#define STMFTS_UNK2 0xF7
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#define STMFTS_UNK3 0xFA
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#define STMFTS_UNK4 0xF9
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#define STMFTS_UNK5 0x62
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/* events */
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#define STMFTS_EV_NO_EVENT 0x00
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#define STMFTS_EV_MULTI_TOUCH_DETECTED 0x02
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#define STMFTS_EV_MULTI_TOUCH_ENTER 0x03
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#define STMFTS_EV_MULTI_TOUCH_LEAVE 0x04
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#define STMFTS_EV_MULTI_TOUCH_MOTION 0x05
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#define STMFTS_EV_HOVER_ENTER 0x07
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#define STMFTS_EV_HOVER_LEAVE 0x08
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#define STMFTS_EV_HOVER_MOTION 0x09
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#define STMFTS_EV_KEY_STATUS 0x0e
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#define STMFTS_EV_ERROR 0x0f
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#define STMFTS_EV_CONTROLLER_READY 0x10
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#define STMFTS_EV_SLEEP_OUT_CONTROLLER_READY 0x11
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#define STMFTS_EV_STATUS 0x16
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#define STMFTS_EV_DEBUG 0xDB
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/* multi touch related event masks */
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#define STMFTS_MASK_EVENT_ID 0x0F
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#define STMFTS_MASK_TOUCH_ID 0xF0
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#define STMFTS_MASK_LEFT_EVENT 0x0F
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#define STMFTS_MASK_X_MSB 0x0F
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#define STMFTS_MASK_Y_LSB 0xF0
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/* key related event masks */
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#define STMFTS_MASK_KEY_NO_TOUCH 0x00
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#define STMFTS_MASK_KEY_MENU 0x01
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#define STMFTS_MASK_KEY_BACK 0x02
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#define STMFTS_EVENT_SIZE 8
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#define STMFTS_STACK_DEPTH 32
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#define STMFTS_DATA_MAX_SIZE (STMFTS_EVENT_SIZE * STMFTS_STACK_DEPTH)
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#define STMFTS_MAX_FINGERS 10
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typedef struct _touch_event {
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u8 raw[8];
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u16 type; // Event type.
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u16 x; // Horizontal coordinates.
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u16 y; // Vertical coordinates.
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u8 z;
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u8 fingers;
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bool touch;
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} touch_event;
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typedef struct _touch_info {
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u16 chip_id;
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u16 fw_ver;
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u16 config_id;
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u16 config_ver;
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} touch_info;
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int touch_power_on();
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void touch_power_off();
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void touch_poll(touch_event *event);
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touch_event touch_poll_wait();
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touch_info touch_get_info();
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#endif /* __TOUCH_H_ */
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