| /* 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_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 | |
| #define GOODIX_REG_COMMAND 0x8040 | |
| #define GOODIX_CMD_SCREEN_OFF 0x05 | |
| #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 | |
| #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_REG_BAK_REF 0x99D0 | |
| #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; | |
| struct input_dev *input_pen; | |
| const struct goodix_chip_data *chip; | |
| const char *firmware_name; | |
| 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]; | |
| char cfg_name[64]; | |
| u16 version; | |
| bool reset_controller_at_probe; | |
| bool load_cfg_from_disk; | |
| int pen_input_registered; | |
| 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]; | |
| u8 main_clk[GOODIX_MAIN_CLK_LEN]; | |
| int bak_ref_len; | |
| u8 *bak_ref; | |
| }; | |
| 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); | |
| 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); | |
| #endif |