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
22struct device;
23struct regmap;
24
25struct 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
38struct lm3533_ctrlbank {
39	struct lm3533 *lm3533;
40	struct device *dev;
41	int id;
42};
43
44struct lm3533_als_platform_data {
45	unsigned pwm_mode:1;		/* PWM input mode (default analog) */
46	u8 r_select;			/* 1 - 127 (ignored in PWM-mode) */
47};
48
49struct lm3533_bl_platform_data {
50	char *name;
51	u16 max_current;		/* 5000 - 29800 uA (800 uA step) */
52	u8 default_brightness;		/* 0 - 255 */
53	u8 pwm;				/* 0 - 0x3f */
54};
55
56struct lm3533_led_platform_data {
57	char *name;
58	const char *default_trigger;
59	u16 max_current;		/* 5000 - 29800 uA (800 uA step) */
60	u8 pwm;				/* 0 - 0x3f */
61};
62
63enum lm3533_boost_freq {
64	LM3533_BOOST_FREQ_500KHZ,
65	LM3533_BOOST_FREQ_1000KHZ,
66};
67
68enum lm3533_boost_ovp {
69	LM3533_BOOST_OVP_16V,
70	LM3533_BOOST_OVP_24V,
71	LM3533_BOOST_OVP_32V,
72	LM3533_BOOST_OVP_40V,
73};
74
75struct lm3533_platform_data {
76	int gpio_hwen;
77
78	enum lm3533_boost_ovp boost_ovp;
79	enum lm3533_boost_freq boost_freq;
80
81	struct lm3533_als_platform_data *als;
82
83	struct lm3533_bl_platform_data *backlights;
84	int num_backlights;
85
86	struct lm3533_led_platform_data *leds;
87	int num_leds;
88};
89
90extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb);
91extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb);
92
93extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val);
94extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val);
95extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb,
96								u16 imax);
97extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val);
98extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val);
99
100extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val);
101extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val);
102extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask);
103
104#endif	/* __LINUX_MFD_LM3533_H */
105