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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 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 "system.h"
#include "power.h"
#include "backlight.h"
#include "backlight-target.h"
#include "avic-imx31.h"
#include "mc13783.h"
#ifndef SIMULATOR
static bool charger_detect = false;
/* This is called from the mc13783 interrupt thread */
void charger_detect_event(void)
{
charger_detect =
mc13783_read(MC13783_INTERRUPT_SENSE0) & MC13783_CHGDETS;
}
bool charger_inserted(void)
{
return charger_detect;
}
/* Returns true if the unit is charging the batteries. */
bool charging_state(void)
{
return false;
}
void ide_power_enable(bool on)
{
if (!on)
{
/* Bus must be isolated before power off */
imx31_regmod32(&GPIO2_DR, (1 << 16), (1 << 16));
}
/* HD power switch */
imx31_regmod32(&GPIO3_DR, on ? (1 << 5) : 0, (1 << 5));
if (on)
{
/* Bus switch may be turned on after powerup */
sleep(HZ/10);
imx31_regmod32(&GPIO2_DR, 0, (1 << 16));
}
}
bool ide_powered(void)
{
return (GPIO3_DR & (1 << 5)) != 0;
}
void power_off(void)
{
mc13783_set(MC13783_POWER_CONTROL0, MC13783_USEROFFSPI);
disable_interrupt(IRQ_FIQ_STATUS);
while (1);
}
void power_init(void)
{
/* Poll initial state */
charger_detect_event();
/* Enable detect event */
mc13783_enable_event(MC13783_CHGDET_EVENT);
}
#else /* SIMULATOR */
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;
}
#endif /* SIMULATOR */
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