rockbox/firmware/target/arm/philips/sa9200/backlight-sa9200.c
Mark Arigo 4093874f80 Philips SA9200. Add LCD features: enable, sleep, flip, contrast, and invert.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21583 a1c6a512-1295-4272-9138-f99709370657
2009-07-01 02:18:49 +00:00

80 lines
2.3 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 by Barry Wardell
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#include "backlight-target.h"
#include "system.h"
#include "backlight.h"
#include "ascodec.h"
#include "as3514.h"
#include "synaptics-mep.h"
#include "lcd.h"
void _backlight_set_brightness(int brightness)
{
ascodec_write(AS3514_DCDC15, brightness);
}
void _backlight_on(void)
{
#ifdef HAVE_LCD_ENABLE
lcd_enable(true); /* power on lcd + visible display */
#endif
#if (CONFIG_BACKLIGHT_FADING != BACKLIGHT_FADING_SW_SETTING) /* in bootloader/sim */
/* if we set the brightness to the settings value, then fading up
* is glitchy */
_backlight_set_brightness(backlight_brightness);
#endif
}
void _backlight_off(void)
{
_backlight_set_brightness(0);
#ifdef HAVE_LCD_ENABLE
lcd_enable(false); /* power off visible display */
#endif
}
#ifdef HAVE_BUTTON_LIGHT
#define BUTTONLIGHT_MASK 0x7f
#define BUTTONLIGHT_MAX 0x0f
static unsigned short buttonlight_status = 0;
void _buttonlight_on(void)
{
if (!buttonlight_status)
{
touchpad_set_buttonlights(BUTTONLIGHT_MASK, BUTTONLIGHT_MAX);
GPIOD_OUTPUT_VAL &= ~(0x40 | 0x20 | 0x04); /* REW/FFWD/MENU */
buttonlight_status = 1;
}
}
void _buttonlight_off(void)
{
if (buttonlight_status)
{
touchpad_set_buttonlights(BUTTONLIGHT_MASK, 0);
GPIOD_OUTPUT_VAL |= (0x40 | 0x20 | 0x04); /* REW/FFWD/MENU */
buttonlight_status = 0;
}
}
#endif