2acc0ac542
later. We still need to hunt down snippets used that are not. 1324 modified files... http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/***************************************************************************
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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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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void power_init(void)
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{
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}
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bool charger_inserted(void)
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{
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/* Player */
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return (PADR & 1) == 0;
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}
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void ide_power_enable(bool on)
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{
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bool touched = false;
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if(on)
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{
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or_b(0x10, &PBDRL);
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touched = true;
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}
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#ifdef HAVE_ATA_POWER_OFF
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if(!on)
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{
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and_b(~0x10, &PBDRL);
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touched = true;
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}
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#endif /* HAVE_ATA_POWER_OFF */
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/* late port preparation, else problems with read/modify/write
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of other bits on same port, while input and floating high */
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if (touched)
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{
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or_b(0x10, &PBIORL); /* PB4 is an output */
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PBCR2 &= ~0x0300; /* GPIO for PB4 */
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}
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}
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bool ide_powered(void)
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{
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#ifdef HAVE_ATA_POWER_OFF
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/* This is not correct for very old players, since these are unable to
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* control hd power. However, driving the pin doesn't hurt, because it
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* is not connected anywhere */
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if ((PBCR2 & 0x0300) || !(PBIORL & 0x10)) /* not configured for output */
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return false; /* would be floating low, disk off */
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else
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return (PBDRL & 0x10) != 0;
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#else /* !defined(NEEDS_ATA_POWER_ON) && !defined(HAVE_ATA_POWER_OFF) */
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return true; /* pretend always powered if not controlable */
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#endif
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}
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void power_off(void)
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{
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disable_irq();
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and_b(~0x08, &PADRH);
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or_b(0x08, &PAIORH);
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while(1);
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}
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