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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 "kernel.h"
#include "system.h"
#include "power.h"
#include "pcf50606.h"
#include "usb.h"
#include "logf.h"
#if CONFIG_TUNER
bool tuner_power(bool status)
{
(void)status;
return true;
}
#endif /* #if CONFIG_TUNER */
void power_init(void)
{
or_l(0x00080000, &GPIO1_OUT);
or_l(0x00080000, &GPIO1_ENABLE);
or_l(0x00080000, &GPIO1_FUNCTION);
#ifndef BOOTLOADER
/* The boot loader controls the power */
ide_power_enable(true);
#endif
or_l(0x80000000, &GPIO_ENABLE);
or_l(0x80000000, &GPIO_FUNCTION);
pcf50606_init();
}
#if CONFIG_CHARGING
unsigned int power_input_status(void)
{
unsigned int status = POWER_INPUT_NONE;
if (GPIO1_READ & 0x00400000)
status |= POWER_INPUT_MAIN_CHARGER;
#ifdef HAVE_USB_POWER
if (usb_detect() == USB_INSERTED && pcf50606_usb_charging_enabled())
status |= POWER_INPUT_USB_CHARGER;
/* CHECK: Can the device be powered from USB w/o charging it? */
#endif
return status;
}
#ifdef HAVE_USB_POWER
void usb_charging_enable(int state)
{
bool on = (state != USB_CHARGING_DISABLE);
int irqlevel;
logf("usb_charging_enable(%s)\n", on ? "on" : "off" );
irqlevel = disable_irq_save();
pcf50606_set_usb_charging(on);
restore_irq(irqlevel);
}
#endif /* HAVE_USB_POWER */
#endif /* CONFIG_CHARGING */
/* Returns true if the unit is charging the batteries. */
bool charging_state(void)
{
return (GPIO_READ & 0x00800000)?true:false;
}
void ide_power_enable(bool on)
{
if(on)
and_l(~0x80000000, &GPIO_OUT);
else
or_l(0x80000000, &GPIO_OUT);
}
bool ide_powered(void)
{
return (GPIO_OUT & 0x80000000)?false:true;
}
void power_off(void)
{
set_irq_level(DISABLE_INTERRUPTS);
and_l(~0x00080000, &GPIO1_OUT);
asm("halt");
while(1);
}
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