88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
|
/***************************************************************************
|
||
|
|
* __________ __ ___.
|
||
|
|
* 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 "adc.h"
|
||
|
|
#include "kernel.h"
|
||
|
|
#include "system.h"
|
||
|
|
#include "power.h"
|
||
|
|
#include "usb.h"
|
||
|
|
|
||
|
|
void power_init(void)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
bool charger_inserted(void)
|
||
|
|
{
|
||
|
|
/* Player */
|
||
|
|
return (PADR & 1) == 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void ide_power_enable(bool on)
|
||
|
|
{
|
||
|
|
bool touched = false;
|
||
|
|
|
||
|
|
if(on)
|
||
|
|
{
|
||
|
|
or_b(0x10, &PBDRL);
|
||
|
|
touched = true;
|
||
|
|
}
|
||
|
|
#ifdef HAVE_ATA_POWER_OFF
|
||
|
|
if(!on)
|
||
|
|
{
|
||
|
|
and_b(~0x10, &PBDRL);
|
||
|
|
touched = true;
|
||
|
|
}
|
||
|
|
#endif /* HAVE_ATA_POWER_OFF */
|
||
|
|
|
||
|
|
/* late port preparation, else problems with read/modify/write
|
||
|
|
of other bits on same port, while input and floating high */
|
||
|
|
if (touched)
|
||
|
|
{
|
||
|
|
or_b(0x10, &PBIORL); /* PB4 is an output */
|
||
|
|
PBCR2 &= ~0x0300; /* GPIO for PB4 */
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
bool ide_powered(void)
|
||
|
|
{
|
||
|
|
#ifdef HAVE_ATA_POWER_OFF
|
||
|
|
/* This is not correct for very old players, since these are unable to
|
||
|
|
* control hd power. However, driving the pin doesn't hurt, because it
|
||
|
|
* is not connected anywhere */
|
||
|
|
if ((PBCR2 & 0x0300) || !(PBIORL & 0x10)) /* not configured for output */
|
||
|
|
return false; /* would be floating low, disk off */
|
||
|
|
else
|
||
|
|
return (PBDRL & 0x10) != 0;
|
||
|
|
#else /* !defined(NEEDS_ATA_POWER_ON) && !defined(HAVE_ATA_POWER_OFF) */
|
||
|
|
return true; /* pretend always powered if not controlable */
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
void power_off(void)
|
||
|
|
{
|
||
|
|
set_irq_level(HIGHEST_IRQ_LEVEL);
|
||
|
|
and_b(~0x08, &PADRH);
|
||
|
|
or_b(0x08, &PAIORH);
|
||
|
|
while(1)
|
||
|
|
yield();
|
||
|
|
}
|