// SPDX-License-Identifier: GPL-2.0-only /* * LP5562 LED driver * * Copyright (C) 2013 Texas Instruments * * Author: Milo(Woogyom) Kim <[email protected]> */ #include <linux/cleanup.h> #include <linux/delay.h> #include <linux/firmware.h> #include <linux/i2c.h> #include <linux/leds.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/of.h> #include <linux/platform_data/leds-lp55xx.h> #include <linux/slab.h> #include "leds-lp55xx-common.h" #define LP5562_MAX_LEDS … /* ENABLE Register 00h */ #define LP5562_REG_ENABLE … #define LP5562_EXEC_ENG1_M … #define LP5562_EXEC_ENG2_M … #define LP5562_EXEC_ENG3_M … #define LP5562_EXEC_M … #define LP5562_MASTER_ENABLE … #define LP5562_LOGARITHMIC_PWM … #define LP5562_EXEC_RUN … #define LP5562_ENABLE_DEFAULT … #define LP5562_ENABLE_RUN_PROGRAM … /* OPMODE Register 01h */ #define LP5562_REG_OP_MODE … /* BRIGHTNESS Registers */ #define LP5562_REG_R_PWM … #define LP5562_REG_G_PWM … #define LP5562_REG_B_PWM … #define LP5562_REG_W_PWM … /* CURRENT Registers */ #define LP5562_REG_R_CURRENT … #define LP5562_REG_G_CURRENT … #define LP5562_REG_B_CURRENT … #define LP5562_REG_W_CURRENT … /* CONFIG Register 08h */ #define LP5562_REG_CONFIG … #define LP5562_PWM_HF … #define LP5562_PWRSAVE_EN … #define LP5562_CLK_INT … #define LP5562_DEFAULT_CFG … /* RESET Register 0Dh */ #define LP5562_REG_RESET … #define LP5562_RESET … /* PROGRAM ENGINE Registers */ #define LP5562_REG_PROG_MEM_ENG1 … #define LP5562_REG_PROG_MEM_ENG2 … #define LP5562_REG_PROG_MEM_ENG3 … /* LEDMAP Register 70h */ #define LP5562_REG_ENG_SEL … #define LP5562_ENG_SEL_PWM … #define LP5562_ENG_FOR_RGB_M … #define LP5562_ENG_SEL_RGB … #define LP5562_ENG_FOR_W_M … #define LP5562_ENG1_FOR_W … #define LP5562_ENG2_FOR_W … #define LP5562_ENG3_FOR_W … /* Program Commands */ #define LP5562_CMD_DISABLE … #define LP5562_CMD_LOAD … #define LP5562_CMD_RUN … #define LP5562_CMD_DIRECT … #define LP5562_PATTERN_OFF … static inline void lp5562_wait_opmode_done(void) { … } static inline void lp5562_wait_enable_done(void) { … } static void lp5562_set_led_current(struct lp55xx_led *led, u8 led_current) { … } static void lp5562_run_engine(struct lp55xx_chip *chip, bool start) { … } static int lp5562_post_init_device(struct lp55xx_chip *chip) { … } static int lp5562_led_brightness(struct lp55xx_led *led) { … } static void lp5562_write_program_memory(struct lp55xx_chip *chip, u8 base, const u8 *rgb, int size) { … } /* check the size of program count */ static inline bool _is_pc_overflow(struct lp55xx_predef_pattern *ptn) { … } static int lp5562_run_predef_led_pattern(struct lp55xx_chip *chip, int mode) { … } static ssize_t lp5562_store_pattern(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static ssize_t lp5562_store_engine_mux(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { … } static LP55XX_DEV_ATTR_WO(led_pattern, lp5562_store_pattern); static LP55XX_DEV_ATTR_WO(engine_mux, lp5562_store_engine_mux); static struct attribute *lp5562_attributes[] = …; static const struct attribute_group lp5562_group = …; /* Chip specific configurations */ static struct lp55xx_device_config lp5562_cfg = …; static const struct i2c_device_id lp5562_id[] = …; MODULE_DEVICE_TABLE(i2c, lp5562_id); static const struct of_device_id of_lp5562_leds_match[] = …; MODULE_DEVICE_TABLE(of, of_lp5562_leds_match); static struct i2c_driver lp5562_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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