Edit File: adp8870.h
/* * Definitions and platform data for Analog Devices * Backlight drivers ADP8870 * * Copyright 2009-2010 Analog Devices Inc. * * Licensed under the GPL-2 or later. */ #ifndef __LINUX_I2C_ADP8870_H #define __LINUX_I2C_ADP8870_H #define ID_ADP8870 8870 #define ADP8870_MAX_BRIGHTNESS 0x7F #define FLAG_OFFT_SHIFT 8 /* * LEDs subdevice platform data */ #define ADP8870_LED_DIS_BLINK (0 << FLAG_OFFT_SHIFT) #define ADP8870_LED_OFFT_600ms (1 << FLAG_OFFT_SHIFT) #define ADP8870_LED_OFFT_1200ms (2 << FLAG_OFFT_SHIFT) #define ADP8870_LED_OFFT_1800ms (3 << FLAG_OFFT_SHIFT) #define ADP8870_LED_ONT_200ms 0 #define ADP8870_LED_ONT_600ms 1 #define ADP8870_LED_ONT_800ms 2 #define ADP8870_LED_ONT_1200ms 3 #define ADP8870_LED_D7 (7) #define ADP8870_LED_D6 (6) #define ADP8870_LED_D5 (5) #define ADP8870_LED_D4 (4) #define ADP8870_LED_D3 (3) #define ADP8870_LED_D2 (2) #define ADP8870_LED_D1 (1) /* * Backlight subdevice platform data */ #define ADP8870_BL_D7 (1 << 6) #define ADP8870_BL_D6 (1 << 5) #define ADP8870_BL_D5 (1 << 4) #define ADP8870_BL_D4 (1 << 3) #define ADP8870_BL_D3 (1 << 2) #define ADP8870_BL_D2 (1 << 1) #define ADP8870_BL_D1 (1 << 0) #define ADP8870_FADE_T_DIS 0 /* Fade Timer Disabled */ #define ADP8870_FADE_T_300ms 1 /* 0.3 Sec */ #define ADP8870_FADE_T_600ms 2 #define ADP8870_FADE_T_900ms 3 #define ADP8870_FADE_T_1200ms 4 #define ADP8870_FADE_T_1500ms 5 #define ADP8870_FADE_T_1800ms 6 #define ADP8870_FADE_T_2100ms 7 #define ADP8870_FADE_T_2400ms 8 #define ADP8870_FADE_T_2700ms 9 #define ADP8870_FADE_T_3000ms 10 #define ADP8870_FADE_T_3500ms 11 #define ADP8870_FADE_T_4000ms 12 #define ADP8870_FADE_T_4500ms 13 #define ADP8870_FADE_T_5000ms 14 #define ADP8870_FADE_T_5500ms 15 /* 5.5 Sec */ #define ADP8870_FADE_LAW_LINEAR 0 #define ADP8870_FADE_LAW_SQUARE 1 #define ADP8870_FADE_LAW_CUBIC1 2 #define ADP8870_FADE_LAW_CUBIC2 3 #define ADP8870_BL_AMBL_FILT_80ms 0 /* Light sensor filter time */ #define ADP8870_BL_AMBL_FILT_160ms 1 #define ADP8870_BL_AMBL_FILT_320ms 2 #define ADP8870_BL_AMBL_FILT_640ms 3 #define ADP8870_BL_AMBL_FILT_1280ms 4 #define ADP8870_BL_AMBL_FILT_2560ms 5 #define ADP8870_BL_AMBL_FILT_5120ms 6 #define ADP8870_BL_AMBL_FILT_10240ms 7 /* 10.24 sec */ /* * Blacklight current 0..30mA */ #define ADP8870_BL_CUR_mA(I) ((I * 127) / 30) /* * L2 comparator current 0..1106uA */ #define ADP8870_L2_COMP_CURR_uA(I) ((I * 255) / 1106) /* * L3 comparator current 0..551uA */ #define ADP8870_L3_COMP_CURR_uA(I) ((I * 255) / 551) /* * L4 comparator current 0..275uA */ #define ADP8870_L4_COMP_CURR_uA(I) ((I * 255) / 275) /* * L5 comparator current 0..138uA */ #define ADP8870_L5_COMP_CURR_uA(I) ((I * 255) / 138) struct adp8870_backlight_platform_data { u8 bl_led_assign; /* 1 = Backlight 0 = Individual LED */ u8 pwm_assign; /* 1 = Enables PWM mode */ 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_bright_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l2_bright_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l3_office_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l3_office_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l4_indoor_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l4_indor_dim; /* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l5_dark_max; /* use BL_CUR_mA(I) 0 <= I <= 30 mA */ u8 l5_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 */ u8 l4_trip; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */ u8 l4_hyst; /* use L4_COMP_CURR_uA(I) 0 <= I <= 275 uA */ u8 l5_trip; /* use L5_COMP_CURR_uA(I) 0 <= I <= 138 uA */ u8 l5_hyst; /* use L6_COMP_CURR_uA(I) 0 <= I <= 138 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; }; #endif /* __LINUX_I2C_ADP8870_H */