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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 | /* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Definitions and platform data for Analog Devices * Backlight drivers ADP8860 * * Copyright 2009-2010 Analog Devices Inc. */ #ifndef __LINUX_I2C_ADP8860_H #define __LINUX_I2C_ADP8860_H #include <linux/leds.h> #include <linux/types.h> #define ID_ADP8860 8860 #define ADP8860_MAX_BRIGHTNESS 0x7F #define FLAG_OFFT_SHIFT 8 /* * LEDs subdevice platform data */ #define ADP8860_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT) #define ADP8860_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT) #define ADP8860_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT) #define ADP8860_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT) #define ADP8860_LED_ONT_200ms 0 #define ADP8860_LED_ONT_600ms 1 #define ADP8860_LED_ONT_800ms 2 #define ADP8860_LED_ONT_1200ms 3 #define ADP8860_LED_D7 (7) #define ADP8860_LED_D6 (6) #define ADP8860_LED_D5 (5) #define ADP8860_LED_D4 (4) #define ADP8860_LED_D3 (3) #define ADP8860_LED_D2 (2) #define ADP8860_LED_D1 (1) /* * Backlight subdevice platform data */ #define ADP8860_BL_D7 (1 << 6) #define ADP8860_BL_D6 (1 << 5) #define ADP8860_BL_D5 (1 << 4) #define ADP8860_BL_D4 (1 << 3) #define ADP8860_BL_D3 (1 << 2) #define ADP8860_BL_D2 (1 << 1) #define ADP8860_BL_D1 (1 << 0) #define ADP8860_FADE_T_DIS 0 /* Fade Timer Disabled */ #define ADP8860_FADE_T_300ms 1 /* 0.3 Sec */ #define ADP8860_FADE_T_600ms 2 #define ADP8860_FADE_T_900ms 3 #define ADP8860_FADE_T_1200ms 4 #define ADP8860_FADE_T_1500ms 5 #define ADP8860_FADE_T_1800ms 6 #define ADP8860_FADE_T_2100ms 7 #define ADP8860_FADE_T_2400ms 8 #define ADP8860_FADE_T_2700ms 9 #define ADP8860_FADE_T_3000ms 10 #define ADP8860_FADE_T_3500ms 11 #define ADP8860_FADE_T_4000ms 12 #define ADP8860_FADE_T_4500ms 13 #define ADP8860_FADE_T_5000ms 14 #define ADP8860_FADE_T_5500ms 15 /* 5.5 Sec */ #define ADP8860_FADE_LAW_LINEAR 0 #define ADP8860_FADE_LAW_SQUARE 1 #define ADP8860_FADE_LAW_CUBIC1 2 #define ADP8860_FADE_LAW_CUBIC2 3 #define ADP8860_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */ #define ADP8860_BL_AMBL_FILT_160ms 1 #define ADP8860_BL_AMBL_FILT_320ms 2 #define ADP8860_BL_AMBL_FILT_640ms 3 #define ADP8860_BL_AMBL_FILT_1280ms 4 #define ADP8860_BL_AMBL_FILT_2560ms 5 #define ADP8860_BL_AMBL_FILT_5120ms 6 #define ADP8860_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */ /* * Blacklight current 0..30mA */ #define ADP8860_BL_CUR_mA(I) ((I * 127) / 30) /* * L2 comparator current 0..1106uA */ #define ADP8860_L2_COMP_CURR_uA(I) ((I * 255) / 1106) /* * L3 comparator current 0..138uA */ #define ADP8860_L3_COMP_CURR_uA(I) ((I * 255) / 138) struct adp8860_backlight_platform_data { u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */ u8 bl_fade_in; /* Backlight Fade-In Timer */ u8 bl_fade_out; /* Backlight Fade-Out Timer */ u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */ u8 en_ambl_sens; /* 1 = enable ambient light sensor */ u8 abml_filt; /* Light sensor filter time */ u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l2_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l2_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l3_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l3_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ /** * Independent Current Sinks / LEDS * Sinks not assigned to the Backlight can be exposed to * user space using the LEDS CLASS interface */ int num_leds; struct led_info *leds; u8 led_fade_in; /* LED Fade-In Timer */ u8 led_fade_out; /* LED Fade-Out Timer */ u8 led_fade_law; /* fade-on/fade-off transfer characteristic */ u8 led_on_time; /** * Gain down disable. Setting this option does not allow the * charge pump to switch to lower gains. NOT AVAILABLE on ADP8860 * 1 = the charge pump doesn't switch down in gain until all LEDs are 0. * The charge pump switches up in gain as needed. This feature is * useful if the ADP8863 charge pump is used to drive an external load. * This feature must be used when utilizing small fly capacitors * (0402 or smaller). * 0 = the charge pump automatically switches up and down in gain. * This provides optimal efficiency, but is not suitable for driving * loads that are not connected through the ADP8863 diode drivers. * Additionally, the charge pump fly capacitors should be low ESR * and sized 0603 or greater. */ u8 gdwn_dis; }; #endif /* __LINUX_I2C_ADP8860_H */ |