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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* 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.
*
****************************************************************************/
#include "config.h"
#include "cpu.h"
#include <stdbool.h>
#include "kernel.h"
#include "system.h"
#include "power.h"
#include "spdif.h"
#if CONFIG_TUNER
static bool powered = false;
bool radio_powered(void)
{
return powered;
}
bool radio_power(bool status)
{
bool old_status = powered;
powered = status;
return old_status;
}
#endif /* #if CONFIG_TUNER */
#ifndef SIMULATOR
void power_init(void)
{
or_l(0x00080000, &GPIO1_OUT);
or_l(0x00080000, &GPIO1_ENABLE);
or_l(0x00080000, &GPIO1_FUNCTION);
#ifndef BOOTLOADER
/* The boot loader controls the power */
ide_power_enable(true);
#endif
or_l(0x80000000, &GPIO_ENABLE);
or_l(0x80000000, &GPIO_FUNCTION);
#ifdef HAVE_SPDIF_POWER
spdif_power_enable(false);
#endif
}
bool charger_inserted(void)
{
return (GPIO1_READ & 0x00400000)?true:false;
}
/* Returns true if the unit is charging the batteries. */
bool charging_state(void) {
return charger_inserted();
}
#ifdef HAVE_SPDIF_POWER
void spdif_power_enable(bool on)
{
or_l(0x01000000, &GPIO1_FUNCTION);
or_l(0x01000000, &GPIO1_ENABLE);
#ifdef SPDIF_POWER_INVERTED
if(!on)
#else
if(on)
#endif
and_l(~0x01000000, &GPIO1_OUT);
else
or_l(0x01000000, &GPIO1_OUT);
#ifndef BOOTLOADER
/* Make sure the feed is reset */
spdif_set_output_source(spdif_get_output_source(NULL), true);
#endif
}
bool spdif_powered(void)
{
bool state = (GPIO1_READ & 0x01000000)?false:true;
#ifdef SPDIF_POWER_INVERTED
return !state;
#else
return state;
#endif /* SPDIF_POWER_INVERTED */
}
#endif /* HAVE_SPDIF_POWER */
void ide_power_enable(bool on)
{
if(on)
and_l(~0x80000000, &GPIO_OUT);
else
or_l(0x80000000, &GPIO_OUT);
}
bool ide_powered(void)
{
return (GPIO_OUT & 0x80000000)?false:true;
}
void power_off(void)
{
set_irq_level(HIGHEST_IRQ_LEVEL);
and_l(~0x00080000, &GPIO1_OUT);
asm("halt");
while(1)
yield();
}
#else
bool charger_inserted(void)
{
return false;
}
void charger_enable(bool on)
{
(void)on;
}
void power_off(void)
{
}
void ide_power_enable(bool on)
{
(void)on;
}
#ifdef HAVE_SPDIF_POWER
void spdif_power_enable(bool on)
{
(void)on;
}
bool spdif_powered(void)
{
return false;
}
#endif
#endif /* SIMULATOR */
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