name : leds-ti-lmu-common.h /* SPDX-License-Identifier: GPL-2.0 */ // TI LMU Common Core // Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/ #ifndef _TI_LMU_COMMON_H_ #define _TI_LMU_COMMON_H_ #include <linux/delay.h> #include <linux/device.h> #include <linux/init.h> #include <linux/leds.h> #include <linux/module.h> #include <linux/regmap.h> #include <linux/slab.h> #include <uapi/linux/uleds.h> #define LMU_11BIT_LSB_MASK (BIT(0) | BIT(1) | BIT(2)) #define LMU_11BIT_MSB_SHIFT 3 #define MAX_BRIGHTNESS_8BIT 255 #define MAX_BRIGHTNESS_11BIT 2047 struct ti_lmu_bank { struct regmap *regmap; int max_brightness; u8 lsb_brightness_reg; u8 msb_brightness_reg; u8 runtime_ramp_reg; u32 ramp_up_usec; u32 ramp_down_usec; }; int ti_lmu_common_set_brightness(struct ti_lmu_bank *lmu_bank, int brightness); int ti_lmu_common_set_ramp(struct ti_lmu_bank *lmu_bank); int ti_lmu_common_get_ramp_params(struct device *dev, struct fwnode_handle *child, struct ti_lmu_bank *lmu_data); int ti_lmu_common_get_brt_res(struct device *dev, struct fwnode_handle *child, struct ti_lmu_bank *lmu_data); #endif /* _TI_LMU_COMMON_H_ */