1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * lm3533.h -- LM3533 interface
4 *
5 * Copyright (C) 2011-2012 Texas Instruments
6 *
7 * Author: Johan Hovold <jhovold@gmail.com>
8 */
9
10#ifndef __LINUX_MFD_LM3533_H
11#define __LINUX_MFD_LM3533_H
12
13#define LM3533_ATTR_RO(_name) \
14 DEVICE_ATTR(_name, S_IRUGO, show_##_name, NULL)
15#define LM3533_ATTR_RW(_name) \
16 DEVICE_ATTR(_name, S_IRUGO | S_IWUSR , show_##_name, store_##_name)
17
18struct device;
19struct gpio_desc;
20struct regmap;
21
22struct lm3533 {
23 struct device *dev;
24
25 struct regmap *regmap;
26
27 struct gpio_desc *hwen;
28 int irq;
29
30 unsigned have_als:1;
31 unsigned have_backlights:1;
32 unsigned have_leds:1;
33};
34
35struct lm3533_ctrlbank {
36 struct lm3533 *lm3533;
37 struct device *dev;
38 int id;
39};
40
41struct lm3533_als_platform_data {
42 unsigned pwm_mode:1; /* PWM input mode (default analog) */
43 u8 r_select; /* 1 - 127 (ignored in PWM-mode) */
44};
45
46struct lm3533_bl_platform_data {
47 char *name;
48 u16 max_current; /* 5000 - 29800 uA (800 uA step) */
49 u8 default_brightness; /* 0 - 255 */
50 u8 pwm; /* 0 - 0x3f */
51};
52
53struct lm3533_led_platform_data {
54 char *name;
55 const char *default_trigger;
56 u16 max_current; /* 5000 - 29800 uA (800 uA step) */
57 u8 pwm; /* 0 - 0x3f */
58};
59
60enum lm3533_boost_freq {
61 LM3533_BOOST_FREQ_500KHZ,
62 LM3533_BOOST_FREQ_1000KHZ,
63};
64
65enum lm3533_boost_ovp {
66 LM3533_BOOST_OVP_16V,
67 LM3533_BOOST_OVP_24V,
68 LM3533_BOOST_OVP_32V,
69 LM3533_BOOST_OVP_40V,
70};
71
72struct lm3533_platform_data {
73 enum lm3533_boost_ovp boost_ovp;
74 enum lm3533_boost_freq boost_freq;
75
76 struct lm3533_als_platform_data *als;
77
78 struct lm3533_bl_platform_data *backlights;
79 int num_backlights;
80
81 struct lm3533_led_platform_data *leds;
82 int num_leds;
83};
84
85extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb);
86extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb);
87
88extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val);
89extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val);
90extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb,
91 u16 imax);
92extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val);
93extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val);
94
95extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val);
96extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val);
97extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask);
98
99#endif /* __LINUX_MFD_LM3533_H */
100

source code of linux/include/linux/mfd/lm3533.h