1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Definitions and platform data for Analog Devices 4*4882a593Smuzhiyun * Backlight drivers ADP8870 5*4882a593Smuzhiyun * 6*4882a593Smuzhiyun * Copyright 2009-2010 Analog Devices Inc. 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef __LINUX_I2C_ADP8870_H 10*4882a593Smuzhiyun #define __LINUX_I2C_ADP8870_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define ID_ADP8870 8870 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun #define ADP8870_MAX_BRIGHTNESS 0x7F 15*4882a593Smuzhiyun #define FLAG_OFFT_SHIFT 8 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun /* 18*4882a593Smuzhiyun * LEDs subdevice platform data 19*4882a593Smuzhiyun */ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #define ADP8870_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT) 22*4882a593Smuzhiyun #define ADP8870_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT) 23*4882a593Smuzhiyun #define ADP8870_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT) 24*4882a593Smuzhiyun #define ADP8870_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT) 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #define ADP8870_LED_ONT_200ms 0 27*4882a593Smuzhiyun #define ADP8870_LED_ONT_600ms 1 28*4882a593Smuzhiyun #define ADP8870_LED_ONT_800ms 2 29*4882a593Smuzhiyun #define ADP8870_LED_ONT_1200ms 3 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun #define ADP8870_LED_D7 (7) 32*4882a593Smuzhiyun #define ADP8870_LED_D6 (6) 33*4882a593Smuzhiyun #define ADP8870_LED_D5 (5) 34*4882a593Smuzhiyun #define ADP8870_LED_D4 (4) 35*4882a593Smuzhiyun #define ADP8870_LED_D3 (3) 36*4882a593Smuzhiyun #define ADP8870_LED_D2 (2) 37*4882a593Smuzhiyun #define ADP8870_LED_D1 (1) 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /* 40*4882a593Smuzhiyun * Backlight subdevice platform data 41*4882a593Smuzhiyun */ 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun #define ADP8870_BL_D7 (1 << 6) 44*4882a593Smuzhiyun #define ADP8870_BL_D6 (1 << 5) 45*4882a593Smuzhiyun #define ADP8870_BL_D5 (1 << 4) 46*4882a593Smuzhiyun #define ADP8870_BL_D4 (1 << 3) 47*4882a593Smuzhiyun #define ADP8870_BL_D3 (1 << 2) 48*4882a593Smuzhiyun #define ADP8870_BL_D2 (1 << 1) 49*4882a593Smuzhiyun #define ADP8870_BL_D1 (1 << 0) 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun #define ADP8870_FADE_T_DIS 0 /* Fade Timer Disabled */ 52*4882a593Smuzhiyun #define ADP8870_FADE_T_300ms 1 /* 0.3 Sec */ 53*4882a593Smuzhiyun #define ADP8870_FADE_T_600ms 2 54*4882a593Smuzhiyun #define ADP8870_FADE_T_900ms 3 55*4882a593Smuzhiyun #define ADP8870_FADE_T_1200ms 4 56*4882a593Smuzhiyun #define ADP8870_FADE_T_1500ms 5 57*4882a593Smuzhiyun #define ADP8870_FADE_T_1800ms 6 58*4882a593Smuzhiyun #define ADP8870_FADE_T_2100ms 7 59*4882a593Smuzhiyun #define ADP8870_FADE_T_2400ms 8 60*4882a593Smuzhiyun #define ADP8870_FADE_T_2700ms 9 61*4882a593Smuzhiyun #define ADP8870_FADE_T_3000ms 10 62*4882a593Smuzhiyun #define ADP8870_FADE_T_3500ms 11 63*4882a593Smuzhiyun #define ADP8870_FADE_T_4000ms 12 64*4882a593Smuzhiyun #define ADP8870_FADE_T_4500ms 13 65*4882a593Smuzhiyun #define ADP8870_FADE_T_5000ms 14 66*4882a593Smuzhiyun #define ADP8870_FADE_T_5500ms 15 /* 5.5 Sec */ 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun #define ADP8870_FADE_LAW_LINEAR 0 69*4882a593Smuzhiyun #define ADP8870_FADE_LAW_SQUARE 1 70*4882a593Smuzhiyun #define ADP8870_FADE_LAW_CUBIC1 2 71*4882a593Smuzhiyun #define ADP8870_FADE_LAW_CUBIC2 3 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun #define ADP8870_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */ 74*4882a593Smuzhiyun #define ADP8870_BL_AMBL_FILT_160ms 1 75*4882a593Smuzhiyun #define ADP8870_BL_AMBL_FILT_320ms 2 76*4882a593Smuzhiyun #define ADP8870_BL_AMBL_FILT_640ms 3 77*4882a593Smuzhiyun #define ADP8870_BL_AMBL_FILT_1280ms 4 78*4882a593Smuzhiyun #define ADP8870_BL_AMBL_FILT_2560ms 5 79*4882a593Smuzhiyun #define ADP8870_BL_AMBL_FILT_5120ms 6 80*4882a593Smuzhiyun #define ADP8870_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */ 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun /* 83*4882a593Smuzhiyun * Blacklight current 0..30mA 84*4882a593Smuzhiyun */ 85*4882a593Smuzhiyun #define ADP8870_BL_CUR_mA(I) ((I * 127) / 30) 86*4882a593Smuzhiyun 87*4882a593Smuzhiyun /* 88*4882a593Smuzhiyun * L2 comparator current 0..1106uA 89*4882a593Smuzhiyun */ 90*4882a593Smuzhiyun #define ADP8870_L2_COMP_CURR_uA(I) ((I * 255) / 1106) 91*4882a593Smuzhiyun 92*4882a593Smuzhiyun /* 93*4882a593Smuzhiyun * L3 comparator current 0..551uA 94*4882a593Smuzhiyun */ 95*4882a593Smuzhiyun #define ADP8870_L3_COMP_CURR_uA(I) ((I * 255) / 551) 96*4882a593Smuzhiyun 97*4882a593Smuzhiyun /* 98*4882a593Smuzhiyun * L4 comparator current 0..275uA 99*4882a593Smuzhiyun */ 100*4882a593Smuzhiyun #define ADP8870_L4_COMP_CURR_uA(I) ((I * 255) / 275) 101*4882a593Smuzhiyun 102*4882a593Smuzhiyun /* 103*4882a593Smuzhiyun * L5 comparator current 0..138uA 104*4882a593Smuzhiyun */ 105*4882a593Smuzhiyun #define ADP8870_L5_COMP_CURR_uA(I) ((I * 255) / 138) 106*4882a593Smuzhiyun 107*4882a593Smuzhiyun struct adp8870_backlight_platform_data { 108*4882a593Smuzhiyun u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */ 109*4882a593Smuzhiyun u8 pwm_assign; /* 1 = Enables PWM mode */ 110*4882a593Smuzhiyun 111*4882a593Smuzhiyun u8 bl_fade_in; /* Backlight Fade-In Timer */ 112*4882a593Smuzhiyun u8 bl_fade_out; /* Backlight Fade-Out Timer */ 113*4882a593Smuzhiyun u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */ 114*4882a593Smuzhiyun 115*4882a593Smuzhiyun u8 en_ambl_sens; /* 1 = enable ambient light sensor */ 116*4882a593Smuzhiyun u8 abml_filt; /* Light sensor filter time */ 117*4882a593Smuzhiyun 118*4882a593Smuzhiyun u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ 119*4882a593Smuzhiyun u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ 120*4882a593Smuzhiyun u8 l2_bright_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ 121*4882a593Smuzhiyun u8 l2_bright_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ 122*4882a593Smuzhiyun u8 l3_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ 123*4882a593Smuzhiyun u8 l3_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ 124*4882a593Smuzhiyun u8 l4_indoor_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ 125*4882a593Smuzhiyun u8 l4_indor_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ 126*4882a593Smuzhiyun u8 l5_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ 127*4882a593Smuzhiyun u8 l5_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ 128*4882a593Smuzhiyun 129*4882a593Smuzhiyun u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ 130*4882a593Smuzhiyun u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ 131*4882a593Smuzhiyun u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ 132*4882a593Smuzhiyun u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ 133*4882a593Smuzhiyun u8 l4_trip; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */ 134*4882a593Smuzhiyun u8 l4_hyst; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */ 135*4882a593Smuzhiyun u8 l5_trip; /* use L5_COMP_CURR_uA(I) 0 <= I <= 138 uA */ 136*4882a593Smuzhiyun u8 l5_hyst; /* use L6_COMP_CURR_uA(I) 0 <= I <= 138 uA */ 137*4882a593Smuzhiyun 138*4882a593Smuzhiyun /** 139*4882a593Smuzhiyun * Independent Current Sinks / LEDS 140*4882a593Smuzhiyun * Sinks not assigned to the Backlight can be exposed to 141*4882a593Smuzhiyun * user space using the LEDS CLASS interface 142*4882a593Smuzhiyun */ 143*4882a593Smuzhiyun 144*4882a593Smuzhiyun int num_leds; 145*4882a593Smuzhiyun struct led_info *leds; 146*4882a593Smuzhiyun u8 led_fade_in; /* LED Fade-In Timer */ 147*4882a593Smuzhiyun u8 led_fade_out; /* LED Fade-Out Timer */ 148*4882a593Smuzhiyun u8 led_fade_law; /* fade-on/fade-off transfer characteristic */ 149*4882a593Smuzhiyun u8 led_on_time; 150*4882a593Smuzhiyun }; 151*4882a593Smuzhiyun 152*4882a593Smuzhiyun #endif /* __LINUX_I2C_ADP8870_H */ 153