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 | |
18 | struct device; |
19 | struct regmap; |
20 | |
21 | struct 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 | |
34 | struct lm3533_ctrlbank { |
35 | struct lm3533 *lm3533; |
36 | struct device *dev; |
37 | int id; |
38 | }; |
39 | |
40 | struct 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 | |
45 | struct 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 | |
52 | struct 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 | |
59 | enum lm3533_boost_freq { |
60 | LM3533_BOOST_FREQ_500KHZ, |
61 | LM3533_BOOST_FREQ_1000KHZ, |
62 | }; |
63 | |
64 | enum 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 | |
71 | struct 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 | |
86 | extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb); |
87 | extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb); |
88 | |
89 | extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val); |
90 | extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val); |
91 | extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb, |
92 | u16 imax); |
93 | extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val); |
94 | extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val); |
95 | |
96 | extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val); |
97 | extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val); |
98 | extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask); |
99 | |
100 | #endif /* __LINUX_MFD_LM3533_H */ |
101 | |