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/* 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 */
#define GOODIX_REG_COMMAND 0x8040
#define GOODIX_CMD_SCREEN_OFF 0x05
#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
#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;
const struct goodix_chip_data *chip;
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;
char id[GOODIX_ID_MAX_LEN + 1];
u16 version;
const char *cfg_name;
bool reset_controller_at_probe;
bool load_cfg_from_disk;
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];
};
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);
int goodix_reset_no_int_sync(struct goodix_ts_data *ts);
#endif
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