58eb784a5d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19315 a1c6a512-1295-4272-9138-f99709370657
118 lines
2.8 KiB
C
118 lines
2.8 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 "kernel.h"
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#include "system.h"
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#include "power.h"
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#include "spdif.h"
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#if CONFIG_TUNER
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bool tuner_power(bool status)
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{
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(void)status;
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return true;
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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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or_l(0x00080000, &GPIO1_OUT);
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or_l(0x00080000, &GPIO1_ENABLE);
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or_l(0x00080000, &GPIO1_FUNCTION);
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#ifndef BOOTLOADER
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/* The boot loader controls the power */
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ide_power_enable(true);
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#endif
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or_l(0x80000000, &GPIO_ENABLE);
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or_l(0x80000000, &GPIO_FUNCTION);
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#ifdef HAVE_SPDIF_POWER
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spdif_power_enable(false);
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#endif
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}
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unsigned int power_input_status(void)
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{
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return (GPIO1_READ & 0x00400000) ?
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POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;
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}
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/* Returns true if the unit is charging the batteries. */
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bool charging_state(void)
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{
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return (power_input_status() & POWER_INPUT_CHARGER) != 0;
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}
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#ifdef HAVE_SPDIF_POWER
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void spdif_power_enable(bool on)
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{
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or_l(0x01000000, &GPIO1_FUNCTION);
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or_l(0x01000000, &GPIO1_ENABLE);
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#ifdef SPDIF_POWER_INVERTED
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if(!on)
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#else
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if(on)
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#endif
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and_l(~0x01000000, &GPIO1_OUT);
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else
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or_l(0x01000000, &GPIO1_OUT);
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#ifndef BOOTLOADER
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/* Make sure the feed is reset */
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spdif_set_output_source(spdif_get_output_source(NULL)
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IF_SPDIF_POWER_(, true));
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#endif
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}
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bool spdif_powered(void)
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{
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bool state = (GPIO1_READ & 0x01000000)?false:true;
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#ifdef SPDIF_POWER_INVERTED
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return !state;
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#else
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return state;
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#endif /* SPDIF_POWER_INVERTED */
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}
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#endif /* HAVE_SPDIF_POWER */
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void ide_power_enable(bool on)
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{
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if(on)
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and_l(~0x80000000, &GPIO_OUT);
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else
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or_l(0x80000000, &GPIO_OUT);
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}
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bool ide_powered(void)
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{
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return (GPIO_OUT & 0x80000000)?false:true;
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}
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void power_off(void)
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{
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set_irq_level(DISABLE_INTERRUPTS);
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and_l(~0x00080000, &GPIO1_OUT);
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asm("halt");
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while(1);
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}
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