// SPDX-License-Identifier: GPL-2.0-or-later /* * Silergy SY7802 flash LED driver with an I2C interface * * Copyright 2024 André Apitzsch <[email protected]> */ #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/led-class-flash.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #define SY7802_MAX_LEDS … #define SY7802_LED_JOINT … #define SY7802_REG_ENABLE … #define SY7802_REG_TORCH_BRIGHTNESS … #define SY7802_REG_FLASH_BRIGHTNESS … #define SY7802_REG_FLASH_DURATION … #define SY7802_REG_FLAGS … #define SY7802_REG_CONFIG_1 … #define SY7802_REG_CONFIG_2 … #define SY7802_REG_VIN_MONITOR … #define SY7802_REG_LAST_FLASH … #define SY7802_REG_VLED_MONITOR … #define SY7802_REG_ADC_DELAY … #define SY7802_REG_DEV_ID … #define SY7802_MODE_OFF … #define SY7802_MODE_TORCH … #define SY7802_MODE_FLASH … #define SY7802_MODE_MASK … #define SY7802_LEDS_SHIFT … #define SY7802_LEDS_MASK(_id) … #define SY7802_LEDS_MASK_ALL … #define SY7802_TORCH_CURRENT_SHIFT … #define SY7802_TORCH_CURRENT_MASK(_id) … #define SY7802_TORCH_CURRENT_MASK_ALL … #define SY7802_FLASH_CURRENT_SHIFT … #define SY7802_FLASH_CURRENT_MASK(_id) … #define SY7802_FLASH_CURRENT_MASK_ALL … #define SY7802_TIMEOUT_DEFAULT_US … #define SY7802_TIMEOUT_MIN_US … #define SY7802_TIMEOUT_MAX_US … #define SY7802_TIMEOUT_STEPSIZE_US … #define SY7802_TORCH_BRIGHTNESS_MAX … #define SY7802_FLASH_BRIGHTNESS_DEFAULT … #define SY7802_FLASH_BRIGHTNESS_MIN … #define SY7802_FLASH_BRIGHTNESS_MAX … #define SY7802_FLASH_BRIGHTNESS_STEP … #define SY7802_FLAG_TIMEOUT … #define SY7802_FLAG_THERMAL_SHUTDOWN … #define SY7802_FLAG_LED_FAULT … #define SY7802_FLAG_TX1_INTERRUPT … #define SY7802_FLAG_TX2_INTERRUPT … #define SY7802_FLAG_LED_THERMAL_FAULT … #define SY7802_FLAG_FLASH_INPUT_VOLTAGE_LOW … #define SY7802_FLAG_INPUT_VOLTAGE_LOW … #define SY7802_CHIP_ID … static const struct reg_default sy7802_regmap_defs[] = …; struct sy7802_led { … }; struct sy7802 { … }; static int sy7802_torch_brightness_set(struct led_classdev *lcdev, enum led_brightness brightness) { … } static int sy7802_flash_brightness_set(struct led_classdev_flash *fl_cdev, u32 brightness) { … } static int sy7802_strobe_set(struct led_classdev_flash *fl_cdev, bool state) { … } static int sy7802_strobe_get(struct led_classdev_flash *fl_cdev, bool *state) { … } static int sy7802_timeout_set(struct led_classdev_flash *fl_cdev, u32 timeout) { … } static int sy7802_fault_get(struct led_classdev_flash *fl_cdev, u32 *fault) { … } static const struct led_flash_ops sy7802_flash_ops = …; static void sy7802_init_flash_brightness(struct led_classdev_flash *fl_cdev) { … } static void sy7802_init_flash_timeout(struct led_classdev_flash *fl_cdev) { … } static int sy7802_led_register(struct device *dev, struct sy7802_led *led, struct device_node *np) { … } static int sy7802_init_flash_properties(struct device *dev, struct sy7802_led *led, struct device_node *np) { … } static int sy7802_chip_check(struct sy7802 *chip) { … } static void sy7802_enable(struct sy7802 *chip) { … } static void sy7802_disable(struct sy7802 *chip) { … } static int sy7802_probe_dt(struct sy7802 *chip) { … } static void sy7802_chip_disable_action(void *data) { … } static void sy7802_regulator_disable_action(void *data) { … } static const struct regmap_config sy7802_regmap_config = …; static int sy7802_probe(struct i2c_client *client) { … } static const struct of_device_id __maybe_unused sy7802_leds_match[] = …; MODULE_DEVICE_TABLE(of, sy7802_leds_match); static struct i2c_driver sy7802_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
Codebase Browser
linux