include/linux/platform_data/adp8870.h

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   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Definitions and platform data for Analog Devices
   4  * Backlight drivers ADP8870
   5  *
   6  * Copyright 2009-2010 Analog Devices Inc.
   7  */
   8 
   9 #ifndef __LINUX_I2C_ADP8870_H
  10 #define __LINUX_I2C_ADP8870_H
  11 
  12 #define ID_ADP8870              8870
  13 
  14 #define ADP8870_MAX_BRIGHTNESS  0x7F
  15 #define FLAG_OFFT_SHIFT 8
  16 
  17 /*
  18  * LEDs subdevice platform data
  19  */
  20 
  21 #define ADP8870_LED_DIS_BLINK   (0 << FLAG_OFFT_SHIFT)
  22 #define ADP8870_LED_OFFT_600ms  (1 << FLAG_OFFT_SHIFT)
  23 #define ADP8870_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT)
  24 #define ADP8870_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT)
  25 
  26 #define ADP8870_LED_ONT_200ms   0
  27 #define ADP8870_LED_ONT_600ms   1
  28 #define ADP8870_LED_ONT_800ms   2
  29 #define ADP8870_LED_ONT_1200ms  3
  30 
  31 #define ADP8870_LED_D7          (7)
  32 #define ADP8870_LED_D6          (6)
  33 #define ADP8870_LED_D5          (5)
  34 #define ADP8870_LED_D4          (4)
  35 #define ADP8870_LED_D3          (3)
  36 #define ADP8870_LED_D2          (2)
  37 #define ADP8870_LED_D1          (1)
  38 
  39 /*
  40  * Backlight subdevice platform data
  41  */
  42 
  43 #define ADP8870_BL_D7           (1 << 6)
  44 #define ADP8870_BL_D6           (1 << 5)
  45 #define ADP8870_BL_D5           (1 << 4)
  46 #define ADP8870_BL_D4           (1 << 3)
  47 #define ADP8870_BL_D3           (1 << 2)
  48 #define ADP8870_BL_D2           (1 << 1)
  49 #define ADP8870_BL_D1           (1 << 0)
  50 
  51 #define ADP8870_FADE_T_DIS      0       /* Fade Timer Disabled */
  52 #define ADP8870_FADE_T_300ms    1       /* 0.3 Sec */
  53 #define ADP8870_FADE_T_600ms    2
  54 #define ADP8870_FADE_T_900ms    3
  55 #define ADP8870_FADE_T_1200ms   4
  56 #define ADP8870_FADE_T_1500ms   5
  57 #define ADP8870_FADE_T_1800ms   6
  58 #define ADP8870_FADE_T_2100ms   7
  59 #define ADP8870_FADE_T_2400ms   8
  60 #define ADP8870_FADE_T_2700ms   9
  61 #define ADP8870_FADE_T_3000ms   10
  62 #define ADP8870_FADE_T_3500ms   11
  63 #define ADP8870_FADE_T_4000ms   12
  64 #define ADP8870_FADE_T_4500ms   13
  65 #define ADP8870_FADE_T_5000ms   14
  66 #define ADP8870_FADE_T_5500ms   15      /* 5.5 Sec */
  67 
  68 #define ADP8870_FADE_LAW_LINEAR 0
  69 #define ADP8870_FADE_LAW_SQUARE 1
  70 #define ADP8870_FADE_LAW_CUBIC1 2
  71 #define ADP8870_FADE_LAW_CUBIC2 3
  72 
  73 #define ADP8870_BL_AMBL_FILT_80ms       0       /* Light sensor filter time */
  74 #define ADP8870_BL_AMBL_FILT_160ms      1
  75 #define ADP8870_BL_AMBL_FILT_320ms      2
  76 #define ADP8870_BL_AMBL_FILT_640ms      3
  77 #define ADP8870_BL_AMBL_FILT_1280ms     4
  78 #define ADP8870_BL_AMBL_FILT_2560ms     5
  79 #define ADP8870_BL_AMBL_FILT_5120ms     6
  80 #define ADP8870_BL_AMBL_FILT_10240ms    7       /* 10.24 sec */
  81 
  82 /*
  83  * Blacklight current 0..30mA
  84  */
  85 #define ADP8870_BL_CUR_mA(I)            ((I * 127) / 30)
  86 
  87 /*
  88  * L2 comparator current 0..1106uA
  89  */
  90 #define ADP8870_L2_COMP_CURR_uA(I)      ((I * 255) / 1106)
  91 
  92 /*
  93  * L3 comparator current 0..551uA
  94  */
  95 #define ADP8870_L3_COMP_CURR_uA(I)      ((I * 255) / 551)
  96 
  97 /*
  98  * L4 comparator current 0..275uA
  99  */
 100 #define ADP8870_L4_COMP_CURR_uA(I)      ((I * 255) / 275)
 101 
 102 /*
 103  * L5 comparator current 0..138uA
 104  */
 105 #define ADP8870_L5_COMP_CURR_uA(I)      ((I * 255) / 138)
 106 
 107 struct adp8870_backlight_platform_data {
 108         u8 bl_led_assign;       /* 1 = Backlight 0 = Individual LED */
 109         u8 pwm_assign;          /* 1 = Enables PWM mode */
 110 
 111         u8 bl_fade_in;          /* Backlight Fade-In Timer */
 112         u8 bl_fade_out;         /* Backlight Fade-Out Timer */
 113         u8 bl_fade_law;         /* fade-on/fade-off transfer characteristic */
 114 
 115         u8 en_ambl_sens;        /* 1 = enable ambient light sensor */
 116         u8 abml_filt;           /* Light sensor filter time */
 117 
 118         u8 l1_daylight_max;     /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
 119         u8 l1_daylight_dim;     /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
 120         u8 l2_bright_max;       /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
 121         u8 l2_bright_dim;       /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
 122         u8 l3_office_max;       /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
 123         u8 l3_office_dim;       /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
 124         u8 l4_indoor_max;       /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
 125         u8 l4_indor_dim;        /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
 126         u8 l5_dark_max;         /* use BL_CUR_mA(I) 0 <= I <= 30 mA */
 127         u8 l5_dark_dim;         /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
 128 
 129         u8 l2_trip;             /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
 130         u8 l2_hyst;             /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
 131         u8 l3_trip;             /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
 132         u8 l3_hyst;             /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */
 133         u8 l4_trip;             /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */
 134         u8 l4_hyst;             /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */
 135         u8 l5_trip;             /* use L5_COMP_CURR_uA(I) 0 <= I <= 138 uA */
 136         u8 l5_hyst;             /* use L6_COMP_CURR_uA(I) 0 <= I <= 138 uA */
 137 
 138         /**
 139          * Independent Current Sinks / LEDS
 140          * Sinks not assigned to the Backlight can be exposed to
 141          * user space using the LEDS CLASS interface
 142          */
 143 
 144         int num_leds;
 145         struct led_info *leds;
 146         u8 led_fade_in;         /* LED Fade-In Timer */
 147         u8 led_fade_out;        /* LED Fade-Out Timer */
 148         u8 led_fade_law;        /* fade-on/fade-off transfer characteristic */
 149         u8 led_on_time;
 150 };
 151 
 152 #endif /* __LINUX_I2C_ADP8870_H */
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root/include/linux/platform_data/adp8870.h

INCLUDED FROM
