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 regmap;
20
21struct lm3533 {
22 struct device *dev;
23
24 struct regmap *regmap;
25
26 int gpio_hwen;
27 int irq;
28
29 unsigned have_als:1;
30 unsigned have_backlights:1;
31 unsigned have_leds:1;
32};
33
34struct lm3533_ctrlbank {
35 struct lm3533 *lm3533;
36 struct device *dev;
37 int id;
38};
39
40struct lm3533_als_platform_data {
41 unsigned pwm_mode:1; /* PWM input mode (default analog) */
42 u8 r_select; /* 1 - 127 (ignored in PWM-mode) */
43};
44
45struct lm3533_bl_platform_data {
46 char *name;
47 u16 max_current; /* 5000 - 29800 uA (800 uA step) */
48 u8 default_brightness; /* 0 - 255 */
49 u8 pwm; /* 0 - 0x3f */
50};
51
52struct lm3533_led_platform_data {
53 char *name;
54 const char *default_trigger;
55 u16 max_current; /* 5000 - 29800 uA (800 uA step) */
56 u8 pwm; /* 0 - 0x3f */
57};
58
59enum lm3533_boost_freq {
60 LM3533_BOOST_FREQ_500KHZ,
61 LM3533_BOOST_FREQ_1000KHZ,
62};
63
64enum lm3533_boost_ovp {
65 LM3533_BOOST_OVP_16V,
66 LM3533_BOOST_OVP_24V,
67 LM3533_BOOST_OVP_32V,
68 LM3533_BOOST_OVP_40V,
69};
70
71struct lm3533_platform_data {
72 int gpio_hwen;
73
74 enum lm3533_boost_ovp boost_ovp;
75 enum lm3533_boost_freq boost_freq;
76
77 struct lm3533_als_platform_data *als;
78
79 struct lm3533_bl_platform_data *backlights;
80 int num_backlights;
81
82 struct lm3533_led_platform_data *leds;
83 int num_leds;
84};
85
86extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb);
87extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb);
88
89extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val);
90extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val);
91extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb,
92 u16 imax);
93extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val);
94extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val);
95
96extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val);
97extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val);
98extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask);
99
100#endif /* __LINUX_MFD_LM3533_H */
101

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