c7c06d8a95
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
154 lines
4.6 KiB
C
154 lines
4.6 KiB
C
/*
|
|
* Definitions and platform data for Analog Devices
|
|
* Backlight drivers ADP8860
|
|
*
|
|
* Copyright 2009-2010 Analog Devices Inc.
|
|
*
|
|
* Licensed under the GPL-2 or later.
|
|
*/
|
|
|
|
#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 */
|