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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 by Thomas Martitz
*
* 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 "lcd.h"
#include "backlight.h"
#include "ascodec.h"
#include "as3514.h"
void backlight_hw_brightness(int brightness)
{
ascodec_write_pmu(AS3543_BACKLIGHT, 2, brightness * 10);
}
bool backlight_hw_init(void)
{
ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x80);
ascodec_write_pmu(AS3543_BACKLIGHT, 2, backlight_brightness * 10);
/* needed for button light */
if (amsv2_variant == 0)
{
GPIOB_DIR |= 1<<5;
}
else
{
ascodec_write_pmu(0x1a, 1, 0x30); /* MUX_PWGD = PWM */
}
return true;
}
void backlight_hw_on(void)
{
#ifdef HAVE_LCD_ENABLE
lcd_enable(true); /* power on lcd + visible display */
#endif
ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x80);
}
void backlight_hw_off(void)
{
ascodec_write_pmu(AS3543_BACKLIGHT, 1, 0x0);
#ifdef HAVE_LCD_ENABLE
lcd_enable(false); /* power off visible display */
#endif
}
void buttonlight_hw_on(void)
{
if (amsv2_variant == 0)
{
GPIOB_PIN(5) = (1<<5);
}
else
{
ascodec_write_pmu(0x1a, 6, 0x80); /* PWM inverted */
}
}
void buttonlight_hw_off(void)
{
if (amsv2_variant == 0)
{
GPIOB_PIN(5) = 0;
}
else
{
ascodec_write_pmu(0x1a, 6, 0); /* PWM not inverted */
}
}
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