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bdk: touch: refactor

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And also use packet mode for big tx/rx combo i2c trasnfers.
This commit is contained in:
CTCaer
2026-02-20 00:43:58 +02:00
parent 0815ae9c58
commit f6bf40b903
3 changed files with 191 additions and 182 deletions
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188
bdk/input/touch.h
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@@ -22,92 +22,103 @@
#include <utils/types.h>
#define STMFTS_I2C_ADDR 0x49
#define FTS4_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 FTS4_I2C_CHIP_ID 0x3670
#define STMFTS_DETECTION_CONFIG 0xB0
#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
/* I2C commands. */
#define FTS4_CMD_READ_INFO 0x80
#define FTS4_CMD_READ_STATUS 0x84
#define FTS4_CMD_READ_ONE_EVENT 0x85
#define FTS4_CMD_READ_ALL_EVENT 0x86
#define FTS4_CMD_LATEST_EVENT 0x87
#define FTS4_CMD_SLEEP_IN 0x90
#define FTS4_CMD_SLEEP_OUT 0x91
#define FTS4_CMD_MS_MT_SENSE_OFF 0x92
#define FTS4_CMD_MS_MT_SENSE_ON 0x93
#define FTS4_CMD_SS_HOVER_SENSE_OFF 0x94
#define FTS4_CMD_SS_HOVER_SENSE_ON 0x95
#define FTS4_CMD_LP_TIMER_CALIB 0x97
#define FTS4_CMD_MS_KEY_SENSE_OFF 0x9A
#define FTS4_CMD_MS_KEY_SENSE_ON 0x9B
#define FTS4_CMD_SYSTEM_RESET 0xA0
#define FTS4_CMD_CLEAR_EVENT_STACK 0xA1
#define FTS4_CMD_FULL_FORCE_CALIB 0xA2
#define FTS4_CMD_MS_CX_TUNING 0xA3
#define FTS4_CMD_SS_CX_TUNING 0xA4
#define FTS4_CMD_ITO_CHECK 0xA7
#define FTS4_CMD_RELEASEINFO 0xAA
#define FTS4_CMD_HW_REG_READ 0xB6 // u16be address offset. Any size read.
#define FTS4_CMD_HW_REG_WRITE FTS4_CMD_HW_REG_READ // u16be address offset, bytes to write.
#define FTS4_CMD_SWITCH_SENSE_MODE 0xC3
#define FTS4_CMD_NOISE_WRITE 0xC7
#define FTS4_CMD_NOISE_READ 0xC8
#define FTS4_CMD_FB_REG_READ 0xD0
#define FTS4_CMD_FB_REG_WRITE FTS4_CMD_FB_REG_READ
#define FTS4_CMD_SAVE_CX_TUNING 0xFC
/* 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
#define FTS4_CMD_DETECTION_CONFIG 0xB0
#define FTS4_CMD_REQ_CX_DATA 0xB8
#define FTS4_CMD_VENDOR 0xCF
#define FTS4_CMD_FLASH_UNLOCK 0xF7
#define FTS4_CMD_FLASH_WRITE_64K 0xF8
#define FTS4_CMD_FLASH_STATUS 0xF9
#define FTS4_CMD_FLASH_OP 0xFA
#define FTS4_CMD_UNK_62 0x62
/* 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
/* Command parameters. */
#define FTS4_VENDOR_GPIO_STATE 0x01
#define FTS4_VENDOR_SENSE_MODE 0x02
#define FTS4_STYLUS_MODE 0x00
#define FTS4_FINGER_MODE 0x01
#define FTS4_HOVER_MODE 0x02
#define STMFTS_EV_CONTROLLER_READY 0x10
#define STMFTS_EV_STATUS 0x16
#define STMFTS_EV_DEBUG 0xDB
/* HW Registers */
#define FTS4_HW_REG_CHIP_ID_INFO 0x0004
#define FTS4_HW_REG_SYS_RESET 0x0028
#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
/* FB Addresses */
#define FTS4_FB_REG_FW_INFO_ADDRESS 0x0060
/* 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
/* Events. */
#define FTS4_EV_NO_EVENT 0x00
#define FTS4_EV_MULTI_TOUCH_DETECTED 0x02
#define FTS4_EV_MULTI_TOUCH_ENTER 0x03
#define FTS4_EV_MULTI_TOUCH_LEAVE 0x04
#define FTS4_EV_MULTI_TOUCH_MOTION 0x05
#define FTS4_EV_HOVER_ENTER 0x07
#define FTS4_EV_HOVER_LEAVE 0x08
#define FTS4_EV_HOVER_MOTION 0x09
#define FTS4_EV_KEY_STATUS 0x0E
#define FTS4_EV_ERROR 0x0F
#define FTS4_EV_NOISE_READ 0x17
#define FTS4_EV_NOISE_WRITE 0x18
#define FTS4_EV_VENDOR 0x20
/* key related event masks */
#define STMFTS_MASK_KEY_NO_TOUCH 0x00
#define STMFTS_MASK_KEY_MENU 0x01
#define STMFTS_MASK_KEY_BACK 0x02
#define FTS4_EV_CONTROLLER_READY 0x10
#define FTS4_EV_STATUS 0x16
#define FTS4_EV_DEBUG 0xDB
#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
#define FTS4_EV_STATUS_MS_CX_TUNING_DONE 1
#define FTS4_EV_STATUS_SS_CX_TUNING_DONE 2
#define FTS4_EV_STATUS_WRITE_CX_TUNE_DONE 4
/* Multi touch related event masks. */
#define FTS4_MASK_EVENT_ID 0x0F
#define FTS4_MASK_TOUCH_ID 0xF0
#define FTS4_MASK_LEFT_EVENT 0x0F
#define FTS4_MASK_X_MSB 0x0F
#define FTS4_MASK_Y_LSB 0xF0
/* Key related event masks. */
#define FTS4_MASK_KEY_NO_TOUCH 0x00
#define FTS4_MASK_KEY_MENU 0x01
#define FTS4_MASK_KEY_BACK 0x02
#define FTS4_EVENT_SIZE 8
#define FTS4_STACK_DEPTH 32
#define FTS4_DATA_MAX_SIZE (FTS4_EVENT_SIZE * FTS4_STACK_DEPTH)
#define FTS4_MAX_FINGERS 10
typedef enum _touch_ito_error {
ITO_NO_ERROR = 0,
@@ -130,15 +141,14 @@ typedef enum _touch_ito_error {
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;
typedef struct _touch_event_t {
u8 raw[FTS4_EVENT_SIZE];
u8 fingers;
u8 type; // Event type.
u16 x, y; // Coordinates.
u32 z; // Orientation.
bool touch;
} touch_event;
} touch_event_t;
typedef struct _touch_panel_info_t
{
@@ -149,12 +159,12 @@ typedef struct _touch_panel_info_t
char *vendor;
} touch_panel_info_t;
typedef struct _touch_info {
typedef struct _touch_info_t {
u16 chip_id;
u16 fw_ver;
u16 config_id;
u16 config_ver;
} touch_info;
} touch_info_t;
typedef struct _touch_fw_info_t {
u32 fw_id;
@@ -162,10 +172,10 @@ typedef struct _touch_fw_info_t {
u16 fw_rev;
} touch_fw_info_t;
void touch_poll(touch_event *event);
void touch_poll(touch_event_t *event);
touch_info_t *touch_get_chip_info();
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_switch_sense_mode(u8 mode, bool gis_6_2);
@@ -173,4 +183,4 @@ int touch_sense_enable();
int touch_power_on();
void touch_power_off();
#endif /* __TOUCH_H_ */
#endif /* __TOUCH_H_ */