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 gpio_desc; 20 struct regmap; 21 22 struct lm3533 { 23 struct device *dev; 24 25 struct regmap *regmap; 26 27 struct gpio_desc *hwen; 28 int irq; 29 30 unsigned have_als:1; 31 unsigned have_backlights:1; 32 unsigned have_leds:1; 33 }; 34 35 struct lm3533_ctrlbank { 36 struct lm3533 *lm3533; 37 struct device *dev; 38 int id; 39 }; 40 41 struct lm3533_als_platform_data { 42 unsigned pwm_mode:1; /* PWM input mode (default analog) */ 43 u8 r_select; /* 1 - 127 (ignored in PWM-mode) */ 44 }; 45 46 struct lm3533_bl_platform_data { 47 char *name; 48 u16 max_current; /* 5000 - 29800 uA (800 uA step) */ 49 u8 default_brightness; /* 0 - 255 */ 50 u8 pwm; /* 0 - 0x3f */ 51 }; 52 53 struct lm3533_led_platform_data { 54 char *name; 55 const char *default_trigger; 56 u16 max_current; /* 5000 - 29800 uA (800 uA step) */ 57 u8 pwm; /* 0 - 0x3f */ 58 }; 59 60 enum lm3533_boost_freq { 61 LM3533_BOOST_FREQ_500KHZ, 62 LM3533_BOOST_FREQ_1000KHZ, 63 }; 64 65 enum lm3533_boost_ovp { 66 LM3533_BOOST_OVP_16V, 67 LM3533_BOOST_OVP_24V, 68 LM3533_BOOST_OVP_32V, 69 LM3533_BOOST_OVP_40V, 70 }; 71 72 struct lm3533_platform_data { 73 enum lm3533_boost_ovp boost_ovp; 74 enum lm3533_boost_freq boost_freq; 75 76 struct lm3533_als_platform_data *als; 77 78 struct lm3533_bl_platform_data *backlights; 79 int num_backlights; 80 81 struct lm3533_led_platform_data *leds; 82 int num_leds; 83 }; 84 85 extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb); 86 extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb); 87 88 extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val); 89 extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val); 90 extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb, 91 u16 imax); 92 extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val); 93 extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val); 94 95 extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val); 96 extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val); 97 extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask); 98 99 #endif /* __LINUX_MFD_LM3533_H */ 100