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