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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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3.5 kB · 119 lines
C
at master
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120/* 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