LXR linux/include/linux/mfd/lm3533.h

   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
  18struct device;
  19struct regmap;
  20
  21struct 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
  34struct lm3533_ctrlbank {
  35        struct lm3533 *lm3533;
  36        struct device *dev;
  37        int id;
  38};
  39
  40struct 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
  45struct 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
  52struct 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
  59enum lm3533_boost_freq {
  60        LM3533_BOOST_FREQ_500KHZ,
  61        LM3533_BOOST_FREQ_1000KHZ,
  62};
  63
  64enum 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
  71struct 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
  86extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb);
  87extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb);
  88
  89extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val);
  90extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val);
  91extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb,
  92                                                                u16 imax);
  93extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val);
  94extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val);
  95
  96extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val);
  97extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val);
  98extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask);
  99
 100#endif  /* __LINUX_MFD_LM3533_H */
 101