rockbox/firmware/export/backlight.h

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Daniel Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef BACKLIGHT_H
#define BACKLIGHT_H
#include "config.h"
bool is_backlight_on(void);
void backlight_on(void);
void backlight_off(void);
void backlight_set_timeout(int index);
#ifdef CONFIG_BACKLIGHT
void backlight_init(void);
int backlight_get_current_timeout(void);
#ifdef HAVE_BACKLIGHT_PWM_FADING
void backlight_set_fade_in(int index);
void backlight_set_fade_out(int index);
#endif
void backlight_set_timeout_plugged(int index);
extern const signed char backlight_timeout_value[];
#else
#define backlight_init()
#endif
#ifdef HAVE_REMOTE_LCD
void remote_backlight_on(void);
void remote_backlight_off(void);
void remote_backlight_set_timeout(int index);
void remote_backlight_set_timeout_plugged(int index);
bool is_remote_backlight_on(void);
#endif
#ifdef SIMULATOR
void sim_backlight(int value);
void sim_remote_backlight(int value);
#endif
#endif
#ifdef HAVE_BACKLIGHT_BRIGHTNESS
#ifdef IAUDIO_X5
/* PFC50506 can output 0%-100% duty cycle but D305A expects %15-100%. */
#define MIN_BRIGHTNESS_SETTING 1 /* 15/16 (93.75%) */
#define MAX_BRIGHTNESS_SETTING 13 /* 3/16 (18.75%) */
#define DEFAULT_BRIGHTNESS_SETTING 8 /* 8/16 (50.00%) = x5 boot default */
#else
#define MIN_BRIGHTNESS_SETTING 2 /* 2/16 (12.50%) */
#define MAX_BRIGHTNESS_SETTING 15 /* 15/16 (93.75%) */
#define DEFAULT_BRIGHTNESS_SETTING 9 /* 9/16 (56.25%) */
#endif /* HAVE_BACKLIGHT_BRIGHTNESS */
void backlight_set_brightness(int val);
#endif