2021-09-21 04:08:18 +00:00
|
|
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
|
|
|
#ifndef __GOODIX_H__
|
|
|
|
|
#define __GOODIX_H__
|
|
|
|
|
|
|
|
|
|
#include <linux/gpio/consumer.h>
|
|
|
|
|
#include <linux/i2c.h>
|
|
|
|
|
#include <linux/input.h>
|
|
|
|
|
#include <linux/input/mt.h>
|
|
|
|
|
#include <linux/input/touchscreen.h>
|
|
|
|
|
#include <linux/regulator/consumer.h>
|
|
|
|
|
|
|
|
|
|
/* Register defines */
|
2021-09-21 04:08:53 +00:00
|
|
|
#define GOODIX_REG_MISCTL_DSP_CTL 0x4010
|
|
|
|
|
#define GOODIX_REG_MISCTL_SRAM_BANK 0x4048
|
|
|
|
|
#define GOODIX_REG_MISCTL_MEM_CD_EN 0x4049
|
|
|
|
|
#define GOODIX_REG_MISCTL_CACHE_EN 0x404B
|
|
|
|
|
#define GOODIX_REG_MISCTL_TMR0_EN 0x40B0
|
|
|
|
|
#define GOODIX_REG_MISCTL_SWRST 0x4180
|
|
|
|
|
#define GOODIX_REG_MISCTL_CPU_SWRST_PULSE 0x4184
|
|
|
|
|
#define GOODIX_REG_MISCTL_BOOTCTL 0x4190
|
|
|
|
|
#define GOODIX_REG_MISCTL_BOOT_OPT 0x4218
|
|
|
|
|
#define GOODIX_REG_MISCTL_BOOT_CTL 0x5094
|
|
|
|
|
|
|
|
|
|
#define GOODIX_REG_FW_SIG 0x8000
|
|
|
|
|
#define GOODIX_FW_SIG_LEN 10
|
|
|
|
|
|
|
|
|
|
#define GOODIX_REG_MAIN_CLK 0x8020
|
|
|
|
|
#define GOODIX_MAIN_CLK_LEN 6
|
|
|
|
|
|
2021-09-21 04:08:18 +00:00
|
|
|
#define GOODIX_REG_COMMAND 0x8040
|
|
|
|
|
#define GOODIX_CMD_SCREEN_OFF 0x05
|
|
|
|
|
|
2021-09-21 04:08:53 +00:00
|
|
|
#define GOODIX_REG_SW_WDT 0x8041
|
|
|
|
|
|
|
|
|
|
#define GOODIX_REG_REQUEST 0x8043
|
|
|
|
|
#define GOODIX_RQST_RESPONDED 0x00
|
|
|
|
|
#define GOODIX_RQST_CONFIG 0x01
|
|
|
|
|
#define GOODIX_RQST_BAK_REF 0x02
|
|
|
|
|
#define GOODIX_RQST_RESET 0x03
|
|
|
|
|
#define GOODIX_RQST_MAIN_CLOCK 0x04
|
|
|
|
|
/*
|
|
|
|
|
* Unknown request which gets send by the controller aprox.
|
|
|
|
|
* every 34 seconds once it is up and running.
|
|
|
|
|
*/
|
|
|
|
|
#define GOODIX_RQST_UNKNOWN 0x06
|
|
|
|
|
#define GOODIX_RQST_IDLE 0xFF
|
|
|
|
|
|
|
|
|
|
#define GOODIX_REG_STATUS 0x8044
|
|
|
|
|
|
2021-09-21 04:08:18 +00:00
|
|
|
#define GOODIX_GT1X_REG_CONFIG_DATA 0x8050
|
|
|
|
|
#define GOODIX_GT9X_REG_CONFIG_DATA 0x8047
|
|
|
|
|
#define GOODIX_REG_ID 0x8140
|
|
|
|
|
#define GOODIX_READ_COOR_ADDR 0x814E
|
2021-09-21 04:08:53 +00:00
|
|
|
#define GOODIX_REG_BAK_REF 0x99D0
|
2021-09-21 04:08:18 +00:00
|
|
|
|
|
|
|
|
#define GOODIX_ID_MAX_LEN 4
|
|
|
|
|
#define GOODIX_CONFIG_MAX_LENGTH 240
|
|
|
|
|
#define GOODIX_MAX_KEYS 7
|
|
|
|
|
|
|
|
|
|
enum goodix_irq_pin_access_method {
|
|
|
|
|
IRQ_PIN_ACCESS_NONE,
|
|
|
|
|
IRQ_PIN_ACCESS_GPIO,
|
|
|
|
|
IRQ_PIN_ACCESS_ACPI_GPIO,
|
|
|
|
|
IRQ_PIN_ACCESS_ACPI_METHOD,
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct goodix_ts_data;
|
|
|
|
|
|
|
|
|
|
struct goodix_chip_data {
|
|
|
|
|
u16 config_addr;
|
|
|
|
|
int config_len;
|
|
|
|
|
int (*check_config)(struct goodix_ts_data *ts, const u8 *cfg, int len);
|
|
|
|
|
void (*calc_config_checksum)(struct goodix_ts_data *ts);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
struct goodix_ts_data {
|
|
|
|
|
struct i2c_client *client;
|
|
|
|
|
struct input_dev *input_dev;
|
2021-12-08 17:33:35 +00:00
|
|
|
struct input_dev *input_pen;
|
2021-09-21 04:08:18 +00:00
|
|
|
const struct goodix_chip_data *chip;
|
2021-09-21 04:08:53 +00:00
|
|
|
const char *firmware_name;
|
2021-09-21 04:08:18 +00:00
|
|
|
struct touchscreen_properties prop;
|
|
|
|
|
unsigned int max_touch_num;
|
|
|
|
|
unsigned int int_trigger_type;
|
|
|
|
|
struct regulator *avdd28;
|
|
|
|
|
struct regulator *vddio;
|
|
|
|
|
struct gpio_desc *gpiod_int;
|
|
|
|
|
struct gpio_desc *gpiod_rst;
|
|
|
|
|
int gpio_count;
|
|
|
|
|
int gpio_int_idx;
|
2021-12-07 07:15:09 +00:00
|
|
|
enum gpiod_flags gpiod_rst_flags;
|
2021-09-21 04:08:18 +00:00
|
|
|
char id[GOODIX_ID_MAX_LEN + 1];
|
2021-09-21 04:08:44 +00:00
|
|
|
char cfg_name[64];
|
2021-09-21 04:08:18 +00:00
|
|
|
u16 version;
|
|
|
|
|
bool reset_controller_at_probe;
|
|
|
|
|
bool load_cfg_from_disk;
|
2022-03-01 06:59:34 +00:00
|
|
|
int pen_input_registered;
|
2021-09-21 04:08:18 +00:00
|
|
|
struct completion firmware_loading_complete;
|
|
|
|
|
unsigned long irq_flags;
|
|
|
|
|
enum goodix_irq_pin_access_method irq_pin_access_method;
|
|
|
|
|
unsigned int contact_size;
|
|
|
|
|
u8 config[GOODIX_CONFIG_MAX_LENGTH];
|
|
|
|
|
unsigned short keymap[GOODIX_MAX_KEYS];
|
2021-09-21 04:08:53 +00:00
|
|
|
u8 main_clk[GOODIX_MAIN_CLK_LEN];
|
|
|
|
|
int bak_ref_len;
|
|
|
|
|
u8 *bak_ref;
|
2021-09-21 04:08:18 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
int goodix_i2c_read(struct i2c_client *client, u16 reg, u8 *buf, int len);
|
|
|
|
|
int goodix_i2c_write(struct i2c_client *client, u16 reg, const u8 *buf, int len);
|
|
|
|
|
int goodix_i2c_write_u8(struct i2c_client *client, u16 reg, u8 value);
|
|
|
|
|
int goodix_send_cfg(struct goodix_ts_data *ts, const u8 *cfg, int len);
|
|
|
|
|
int goodix_int_sync(struct goodix_ts_data *ts);
|
2021-09-21 04:08:26 +00:00
|
|
|
int goodix_reset_no_int_sync(struct goodix_ts_data *ts);
|
2021-09-21 04:08:18 +00:00
|
|
|
|
2021-09-21 04:08:53 +00:00
|
|
|
int goodix_firmware_check(struct goodix_ts_data *ts);
|
|
|
|
|
bool goodix_handle_fw_request(struct goodix_ts_data *ts);
|
|
|
|
|
void goodix_save_bak_ref(struct goodix_ts_data *ts);
|
|
|
|
|
|
2021-09-21 04:08:18 +00:00
|
|
|
#endif
|
