rockbox/firmware/target/sh/archos/ondio/power-ondio.c
Jens Arnold f4c5c6aa62 Fix bootloaders, and the backlight-modded Ondio build.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15600 a1c6a512-1295-4272-9138-f99709370657
2007-11-12 19:19:38 +00:00

78 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"
#include "backlight-target.h"
#if CONFIG_TUNER
static bool powered = false;
bool tuner_power(bool status)
{
bool old_status = powered;
powered = status;
if (status)
{
and_b(~0x04, &PADRL); /* drive PA2 low for tuner enable */
sleep(1); /* let the voltage settle */
}
else
or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
return old_status;
}
#endif /* #if CONFIG_TUNER */
void power_init(void)
{
PBCR2 &= ~0x0c00; /* GPIO for PB5 */
or_b(0x20, &PBIORL);
or_b(0x20, &PBDRL); /* hold power */
#ifndef HAVE_BACKLIGHT
/* Disable backlight on backlight-modded Ondios when running
* a standard build (always on otherwise). */
PACR1 &= ~0x3000; /* Set PA14 (backlight control) to GPIO */
and_b(~0x40, &PADRH); /* drive it low */
or_b(0x40, &PAIORH); /* ..and output */
#endif
PACR2 &= ~0x0030; /* GPIO for PA2 */
or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
or_b(0x04, &PAIORL); /* output for PA2 */
}
void power_off(void)
{
set_irq_level(HIGHEST_IRQ_LEVEL);
#ifdef HAVE_BACKLIGHT
/* Switch off the light on backlight-modded Ondios */
_backlight_off();
#endif
and_b(~0x20, &PBDRL);
or_b(0x20, &PBIORL);
while(1)
yield();
}