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