1*80503b23SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-or-later */ 28476d6cdSWolfram Sang /* 38476d6cdSWolfram Sang * Definitions and platform data for Analog Devices 48476d6cdSWolfram Sang * Backlight drivers ADP8860 58476d6cdSWolfram Sang * 68476d6cdSWolfram Sang * Copyright 2009-2010 Analog Devices Inc. 78476d6cdSWolfram Sang */ 88476d6cdSWolfram Sang 98476d6cdSWolfram Sang #ifndef __LINUX_I2C_ADP8860_H 108476d6cdSWolfram Sang #define __LINUX_I2C_ADP8860_H 118476d6cdSWolfram Sang 128476d6cdSWolfram Sang #include <linux/leds.h> 138476d6cdSWolfram Sang #include <linux/types.h> 148476d6cdSWolfram Sang 158476d6cdSWolfram Sang #define ID_ADP8860 8860 168476d6cdSWolfram Sang 178476d6cdSWolfram Sang #define ADP8860_MAX_BRIGHTNESS 0x7F 188476d6cdSWolfram Sang #define FLAG_OFFT_SHIFT 8 198476d6cdSWolfram Sang 208476d6cdSWolfram Sang /* 218476d6cdSWolfram Sang * LEDs subdevice platform data 228476d6cdSWolfram Sang */ 238476d6cdSWolfram Sang 248476d6cdSWolfram Sang #define ADP8860_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT) 258476d6cdSWolfram Sang #define ADP8860_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT) 268476d6cdSWolfram Sang #define ADP8860_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT) 278476d6cdSWolfram Sang #define ADP8860_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT) 288476d6cdSWolfram Sang 298476d6cdSWolfram Sang #define ADP8860_LED_ONT_200ms 0 308476d6cdSWolfram Sang #define ADP8860_LED_ONT_600ms 1 318476d6cdSWolfram Sang #define ADP8860_LED_ONT_800ms 2 328476d6cdSWolfram Sang #define ADP8860_LED_ONT_1200ms 3 338476d6cdSWolfram Sang 348476d6cdSWolfram Sang #define ADP8860_LED_D7 (7) 358476d6cdSWolfram Sang #define ADP8860_LED_D6 (6) 368476d6cdSWolfram Sang #define ADP8860_LED_D5 (5) 378476d6cdSWolfram Sang #define ADP8860_LED_D4 (4) 388476d6cdSWolfram Sang #define ADP8860_LED_D3 (3) 398476d6cdSWolfram Sang #define ADP8860_LED_D2 (2) 408476d6cdSWolfram Sang #define ADP8860_LED_D1 (1) 418476d6cdSWolfram Sang 428476d6cdSWolfram Sang /* 438476d6cdSWolfram Sang * Backlight subdevice platform data 448476d6cdSWolfram Sang */ 458476d6cdSWolfram Sang 468476d6cdSWolfram Sang #define ADP8860_BL_D7 (1 << 6) 478476d6cdSWolfram Sang #define ADP8860_BL_D6 (1 << 5) 488476d6cdSWolfram Sang #define ADP8860_BL_D5 (1 << 4) 498476d6cdSWolfram Sang #define ADP8860_BL_D4 (1 << 3) 508476d6cdSWolfram Sang #define ADP8860_BL_D3 (1 << 2) 518476d6cdSWolfram Sang #define ADP8860_BL_D2 (1 << 1) 528476d6cdSWolfram Sang #define ADP8860_BL_D1 (1 << 0) 538476d6cdSWolfram Sang 548476d6cdSWolfram Sang #define ADP8860_FADE_T_DIS 0 /* Fade Timer Disabled */ 558476d6cdSWolfram Sang #define ADP8860_FADE_T_300ms 1 /* 0.3 Sec */ 568476d6cdSWolfram Sang #define ADP8860_FADE_T_600ms 2 578476d6cdSWolfram Sang #define ADP8860_FADE_T_900ms 3 588476d6cdSWolfram Sang #define ADP8860_FADE_T_1200ms 4 598476d6cdSWolfram Sang #define ADP8860_FADE_T_1500ms 5 608476d6cdSWolfram Sang #define ADP8860_FADE_T_1800ms 6 618476d6cdSWolfram Sang #define ADP8860_FADE_T_2100ms 7 628476d6cdSWolfram Sang #define ADP8860_FADE_T_2400ms 8 638476d6cdSWolfram Sang #define ADP8860_FADE_T_2700ms 9 648476d6cdSWolfram Sang #define ADP8860_FADE_T_3000ms 10 658476d6cdSWolfram Sang #define ADP8860_FADE_T_3500ms 11 668476d6cdSWolfram Sang #define ADP8860_FADE_T_4000ms 12 678476d6cdSWolfram Sang #define ADP8860_FADE_T_4500ms 13 688476d6cdSWolfram Sang #define ADP8860_FADE_T_5000ms 14 698476d6cdSWolfram Sang #define ADP8860_FADE_T_5500ms 15 /* 5.5 Sec */ 708476d6cdSWolfram Sang 718476d6cdSWolfram Sang #define ADP8860_FADE_LAW_LINEAR 0 728476d6cdSWolfram Sang #define ADP8860_FADE_LAW_SQUARE 1 738476d6cdSWolfram Sang #define ADP8860_FADE_LAW_CUBIC1 2 748476d6cdSWolfram Sang #define ADP8860_FADE_LAW_CUBIC2 3 758476d6cdSWolfram Sang 768476d6cdSWolfram Sang #define ADP8860_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */ 778476d6cdSWolfram Sang #define ADP8860_BL_AMBL_FILT_160ms 1 788476d6cdSWolfram Sang #define ADP8860_BL_AMBL_FILT_320ms 2 798476d6cdSWolfram Sang #define ADP8860_BL_AMBL_FILT_640ms 3 808476d6cdSWolfram Sang #define ADP8860_BL_AMBL_FILT_1280ms 4 818476d6cdSWolfram Sang #define ADP8860_BL_AMBL_FILT_2560ms 5 828476d6cdSWolfram Sang #define ADP8860_BL_AMBL_FILT_5120ms 6 838476d6cdSWolfram Sang #define ADP8860_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */ 848476d6cdSWolfram Sang 858476d6cdSWolfram Sang /* 868476d6cdSWolfram Sang * Blacklight current 0..30mA 878476d6cdSWolfram Sang */ 888476d6cdSWolfram Sang #define ADP8860_BL_CUR_mA(I) ((I * 127) / 30) 898476d6cdSWolfram Sang 908476d6cdSWolfram Sang /* 918476d6cdSWolfram Sang * L2 comparator current 0..1106uA 928476d6cdSWolfram Sang */ 938476d6cdSWolfram Sang #define ADP8860_L2_COMP_CURR_uA(I) ((I * 255) / 1106) 948476d6cdSWolfram Sang 958476d6cdSWolfram Sang /* 968476d6cdSWolfram Sang * L3 comparator current 0..138uA 978476d6cdSWolfram Sang */ 988476d6cdSWolfram Sang #define ADP8860_L3_COMP_CURR_uA(I) ((I * 255) / 138) 998476d6cdSWolfram Sang 1008476d6cdSWolfram Sang struct adp8860_backlight_platform_data { 1018476d6cdSWolfram Sang u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */ 1028476d6cdSWolfram Sang 1038476d6cdSWolfram Sang u8 bl_fade_in; /* Backlight Fade-In Timer */ 1048476d6cdSWolfram Sang u8 bl_fade_out; /* Backlight Fade-Out Timer */ 1058476d6cdSWolfram Sang u8 bl_fade_law; /* fade-on/fade-off transfer characteristic */ 1068476d6cdSWolfram Sang 1078476d6cdSWolfram Sang u8 en_ambl_sens; /* 1 = enable ambient light sensor */ 1088476d6cdSWolfram Sang u8 abml_filt; /* Light sensor filter time */ 1098476d6cdSWolfram Sang 1108476d6cdSWolfram Sang u8 l1_daylight_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ 1118476d6cdSWolfram Sang u8 l1_daylight_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ 1128476d6cdSWolfram Sang u8 l2_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ 1138476d6cdSWolfram Sang u8 l2_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ 1148476d6cdSWolfram Sang u8 l3_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ 1158476d6cdSWolfram Sang u8 l3_dark_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ 1168476d6cdSWolfram Sang 1178476d6cdSWolfram Sang u8 l2_trip; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ 1188476d6cdSWolfram Sang u8 l2_hyst; /* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */ 1198476d6cdSWolfram Sang u8 l3_trip; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ 1208476d6cdSWolfram Sang u8 l3_hyst; /* use L3_COMP_CURR_uA(I) 0 <= I <= 551 uA */ 1218476d6cdSWolfram Sang 1228476d6cdSWolfram Sang /** 1238476d6cdSWolfram Sang * Independent Current Sinks / LEDS 1248476d6cdSWolfram Sang * Sinks not assigned to the Backlight can be exposed to 1258476d6cdSWolfram Sang * user space using the LEDS CLASS interface 1268476d6cdSWolfram Sang */ 1278476d6cdSWolfram Sang 1288476d6cdSWolfram Sang int num_leds; 1298476d6cdSWolfram Sang struct led_info *leds; 1308476d6cdSWolfram Sang u8 led_fade_in; /* LED Fade-In Timer */ 1318476d6cdSWolfram Sang u8 led_fade_out; /* LED Fade-Out Timer */ 1328476d6cdSWolfram Sang u8 led_fade_law; /* fade-on/fade-off transfer characteristic */ 1338476d6cdSWolfram Sang u8 led_on_time; 1348476d6cdSWolfram Sang 1358476d6cdSWolfram Sang /** 1368476d6cdSWolfram Sang * Gain down disable. Setting this option does not allow the 1378476d6cdSWolfram Sang * charge pump to switch to lower gains. NOT AVAILABLE on ADP8860 1388476d6cdSWolfram Sang * 1 = the charge pump doesn't switch down in gain until all LEDs are 0. 1398476d6cdSWolfram Sang * The charge pump switches up in gain as needed. This feature is 1408476d6cdSWolfram Sang * useful if the ADP8863 charge pump is used to drive an external load. 1418476d6cdSWolfram Sang * This feature must be used when utilizing small fly capacitors 1428476d6cdSWolfram Sang * (0402 or smaller). 1438476d6cdSWolfram Sang * 0 = the charge pump automatically switches up and down in gain. 1448476d6cdSWolfram Sang * This provides optimal efficiency, but is not suitable for driving 1458476d6cdSWolfram Sang * loads that are not connected through the ADP8863 diode drivers. 1468476d6cdSWolfram Sang * Additionally, the charge pump fly capacitors should be low ESR 1478476d6cdSWolfram Sang * and sized 0603 or greater. 1488476d6cdSWolfram Sang */ 1498476d6cdSWolfram Sang 1508476d6cdSWolfram Sang u8 gdwn_dis; 1518476d6cdSWolfram Sang }; 1528476d6cdSWolfram Sang 1538476d6cdSWolfram Sang #endif /* __LINUX_I2C_ADP8860_H */ 154