Viewing file:  leds-ti-lmu-common.h (1.12 KB) -rw-r--r--
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/* SPDX-License-Identifier: GPL-2.0 */
// TI LMU Common Core
// Copyright (C) 2018 Texas Instruments Incorporated - http://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_ */
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