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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154/* 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 */