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
  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 */