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 u8 r_select; /* 1 - 127 (ignored in PWM-mode) */ 47 }; 48 49 struct 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 56 struct 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 63 enum lm3533_boost_freq { 64 LM3533_BOOST_FREQ_500KHZ, 65 LM3533_BOOST_FREQ_1000KHZ, 66 }; 67 68 enum 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 75 struct 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 90 extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb); 91 extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb); 92 93 extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val); 94 extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val); 95 extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb, 96 u16 imax); 97 extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val); 98 extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val); 99 100 extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val); 101 extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val); 102 extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask); 103 104 #endif /* __LINUX_MFD_LM3533_H */ 105