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 <[email protected]>
   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 */