blob: 5eb111f3880397f853239757d3bdacf047b63ae4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* 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_ */
|
