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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* 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 "cpu.h"
#include <stdbool.h>
#include "kernel.h"
#include "system.h"
#include "power.h"
#include "usb.h"
void power_init(void)
{
}
unsigned int power_input_status(void)
{
/* Player */
return ((PADR & 1) == 0) ?
POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;
}
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)
{
/* 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;
}
void power_off(void)
{
disable_irq();
and_b(~0x08, &PADRH);
or_b(0x08, &PAIORH);
while(1);
}
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