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1 | /* |
2 | * lm3533.h -- LM3533 interface | |
3 | * | |
4 | * Copyright (C) 2011-2012 Texas Instruments | |
5 | * | |
6 | * Author: Johan Hovold <jhovold@gmail.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | */ | |
13 | ||
14 | #ifndef __LINUX_MFD_LM3533_H | |
15 | #define __LINUX_MFD_LM3533_H | |
16 | ||
17 | #define LM3533_ATTR_RO(_name) \ | |
18 | DEVICE_ATTR(_name, S_IRUGO, show_##_name, NULL) | |
19 | #define LM3533_ATTR_RW(_name) \ | |
20 | DEVICE_ATTR(_name, S_IRUGO | S_IWUSR , show_##_name, store_##_name) | |
21 | ||
22 | struct device; | |
23 | struct regmap; | |
24 | ||
25 | struct lm3533 { | |
26 | struct device *dev; | |
27 | ||
28 | struct regmap *regmap; | |
29 | ||
30 | int gpio_hwen; | |
31 | int irq; | |
32 | ||
33 | unsigned have_als:1; | |
34 | unsigned have_backlights:1; | |
35 | unsigned have_leds:1; | |
36 | }; | |
37 | ||
38 | struct lm3533_ctrlbank { | |
39 | struct lm3533 *lm3533; | |
40 | struct device *dev; | |
41 | int id; | |
42 | }; | |
43 | ||
44 | struct lm3533_als_platform_data { | |
45 | unsigned pwm_mode:1; /* PWM input mode (default analog) */ | |
46 | }; | |
47 | ||
48 | struct lm3533_bl_platform_data { | |
49 | char *name; | |
50 | u8 default_brightness; /* 0 - 255 */ | |
51 | u8 max_current; /* 0 - 31 */ | |
52 | u8 pwm; /* 0 - 0x3f */ | |
53 | }; | |
54 | ||
55 | struct lm3533_led_platform_data { | |
56 | char *name; | |
57 | const char *default_trigger; | |
58 | u8 max_current; /* 0 - 31 */ | |
59 | u8 pwm; /* 0 - 0x3f */ | |
60 | }; | |
61 | ||
62 | struct lm3533_platform_data { | |
63 | int gpio_hwen; | |
64 | ||
65 | struct lm3533_als_platform_data *als; | |
66 | ||
67 | struct lm3533_bl_platform_data *backlights; | |
68 | int num_backlights; | |
69 | ||
70 | struct lm3533_led_platform_data *leds; | |
71 | int num_leds; | |
72 | }; | |
73 | ||
74 | extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb); | |
75 | extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb); | |
76 | ||
77 | extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val); | |
78 | extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val); | |
79 | extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb, u8 val); | |
80 | extern int lm3533_ctrlbank_get_max_current(struct lm3533_ctrlbank *cb, | |
81 | u8 *val); | |
82 | extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val); | |
83 | extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val); | |
84 | ||
85 | extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val); | |
86 | extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val); | |
87 | extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask); | |
88 | ||
89 | #endif /* __LINUX_MFD_LM3533_H */ |