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 107struct 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 */ 153