| /* 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 */ |