79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Linus Nielsen Feltzing
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "cpu.h"
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#include <stdbool.h>
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#include "adc.h"
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#include "kernel.h"
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#include "system.h"
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#include "power.h"
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#include "usb.h"
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#include "backlight-target.h"
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#if CONFIG_TUNER
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static bool powered = false;
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bool tuner_power(bool status)
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{
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bool old_status = powered;
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powered = status;
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if (status)
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{
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and_b(~0x04, &PADRL); /* drive PA2 low for tuner enable */
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sleep(1); /* let the voltage settle */
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}
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else
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or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
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return old_status;
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}
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#endif /* #if CONFIG_TUNER */
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void power_init(void)
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{
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PBCR2 &= ~0x0c00; /* GPIO for PB5 */
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or_b(0x20, &PBIORL);
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or_b(0x20, &PBDRL); /* hold power */
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#ifndef HAVE_BACKLIGHT
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/* Disable backlight on backlight-modded Ondios when running
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* a standard build (always on otherwise). */
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PACR1 &= ~0x3000; /* Set PA14 (backlight control) to GPIO */
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and_b(~0x40, &PADRH); /* drive it low */
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or_b(0x40, &PAIORH); /* ..and output */
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#endif
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PACR2 &= ~0x0030; /* GPIO for PA2 */
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or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
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or_b(0x04, &PAIORL); /* output for PA2 */
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}
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void power_off(void)
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{
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set_irq_level(HIGHEST_IRQ_LEVEL);
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#ifdef HAVE_BACKLIGHT
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/* Switch off the light on backlight-modded Ondios */
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__backlight_off();
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#endif
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and_b(~0x20, &PBDRL);
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or_b(0x20, &PBIORL);
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while(1)
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yield();
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}
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