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/***************************************************************************
* __________ __ ___.
* 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 "hwcompat.h"
#include "logf.h"
#include "pcf50605.h"
#include "pcf50606.h"
#include "usb.h"
#if CONFIG_CHARGING == CHARGING_CONTROL
bool charger_enabled;
#endif
#if CONFIG_TUNER
static bool powered = false;
bool radio_powered(void)
{
return powered;
}
bool radio_power(bool status)
{
bool old_status = powered;
powered = status;
#ifdef HAVE_TUNER_PWR_CTRL
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 */
#endif
return old_status;
}
#endif /* #if CONFIG_TUNER */
#ifndef SIMULATOR
void power_init(void)
{
#ifdef HAVE_POWEROFF_ON_PB5
PBCR2 &= ~0x0c00; /* GPIO for PB5 */
or_b(0x20, &PBIORL);
or_b(0x20, &PBDRL); /* hold power */
#endif
#if CONFIG_CHARGING == CHARGING_CONTROL
PBCR2 &= ~0x0c00; /* GPIO for PB5 */
or_b(0x20, &PBIORL); /* Set charging control bit to output */
charger_enable(false); /* Default to charger OFF */
#endif
#ifdef HAVE_TUNER_PWR_CTRL
PACR2 &= ~0x0030; /* GPIO for PA2 */
or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
or_b(0x04, &PAIORL); /* output for PA2 */
#endif
}
#if CONFIG_CHARGING
bool charger_inserted(void)
{
#if CONFIG_CHARGING == CHARGING_CONTROL
/* Recorder */
return adc_read(ADC_EXT_POWER) > 0x100;
#elif defined (HAVE_FMADC)
/* FM or V2, can also charge from the USB port */
return (adc_read(ADC_CHARGE_REGULATOR) < 0x1FF);
#elif defined(TOSHIBA_GIGABEAT_F)
return false;
#else
/* Player */
return (PADR & 1) == 0;
#endif
}
#endif /* CONFIG_CHARGING */
#if CONFIG_CHARGING == CHARGING_CONTROL
void charger_enable(bool on)
{
if(on)
{
and_b(~0x20, &PBDRL);
charger_enabled = 1;
}
else
{
or_b(0x20, &PBDRL);
charger_enabled = 0;
}
}
#endif
#if CONFIG_CHARGING == CHARGING_MONITOR
/* Returns true if the unit is charging the batteries. */
bool charging_state(void) {
#if CONFIG_BATTERY == BATT_LIION2200
/* We use the information from the ADC_EXT_POWER ADC channel, which
tells us the charging current from the LTC1734. When DC is
connected (either via the external adapter, or via USB), we try
to determine if it is actively charging or only maintaining the
charge. My tests show that ADC readings below about 0x80 means
that the LTC1734 is only maintaining the charge. */
return adc_read(ADC_EXT_POWER) >= 0x80;
#endif
}
#endif
#ifndef HAVE_MMC
void ide_power_enable(bool on)
{
(void)on;
#if defined(TOSHIBA_GIGABEAT_F)
/* Gigabeat TODO */
#else /* SH1 based archos */
bool touched = false;
#ifdef NEEDS_ATA_POWER_ON
if(on)
{
#ifdef ATA_POWER_PLAYERSTYLE
or_b(0x10, &PBDRL);
#else
or_b(0x20, &PADRL);
#endif
touched = true;
}
#endif /* NEEDS_ATA_POWER_ON */
#ifdef HAVE_ATA_POWER_OFF
if(!on)
{
#ifdef ATA_POWER_PLAYERSTYLE
and_b(~0x10, &PBDRL);
#else
and_b(~0x20, &PADRL);
#endif
touched = true;
}
#endif /* HAVE_ATA_POWER_OFF */
/* late port preparation, else problems with read/modify/write
of other bits on same port, while input and floating high */
if (touched)
{
#ifdef ATA_POWER_PLAYERSTYLE
or_b(0x10, &PBIORL); /* PB4 is an output */
PBCR2 &= ~0x0300; /* GPIO for PB4 */
#else
or_b(0x20, &PAIORL); /* PA5 is an output */
PACR2 &= 0xFBFF; /* GPIO for PA5 */
#endif
}
#endif /* SH1 based archos */
}
bool ide_powered(void)
{
#if defined(TOSHIBA_GIGABEAT_F)
return false;
#else /* SH1 based archos */
#if defined(NEEDS_ATA_POWER_ON) || defined(HAVE_ATA_POWER_OFF)
#ifdef ATA_POWER_PLAYERSTYLE
/* This is not correct for very old players, since these are unable to
* control hd power. However, driving the pin doesn't hurt, because it
* is not connected anywhere */
if ((PBCR2 & 0x0300) || !(PBIORL & 0x10)) /* not configured for output */
return false; /* would be floating low, disk off */
else
return (PBDRL & 0x10) != 0;
#else /* !ATA_POWER_PLAYERSTYLE */
if ((PACR2 & 0x0400) || !(PAIORL & 0x20)) /* not configured for output */
return true; /* would be floating high, disk on */
else
return (PADRL & 0x20) != 0;
#endif /* !ATA_POWER_PLAYERSTYLE */
#else /* !defined(NEEDS_ATA_POWER_ON) && !defined(HAVE_ATA_POWER_OFF) */
return true; /* pretend always powered if not controlable */
#endif
#endif
}
#endif /* !HAVE_MMC */
void power_off(void)
{
set_irq_level(HIGHEST_IRQ_LEVEL);
#if defined(TOSHIBA_GIGABEAT_F)
/* FIXME: Can we turn the device off, or only enter sleep mode? */
#else
#ifdef HAVE_POWEROFF_ON_PBDR
and_b(~0x10, &PBDRL);
or_b(0x10, &PBIORL);
#elif defined(HAVE_POWEROFF_ON_PB5)
and_b(~0x20, &PBDRL);
or_b(0x20, &PBIORL);
#else
/* Disable the backlight */
and_b(~0x40, &PAIORH);
and_b(~0x08, &PADRH);
or_b(0x08, &PAIORH);
#endif
#endif
while(1)
yield();
}
#else
bool charger_inserted(void)
{
return false;
}
void charger_enable(bool on)
{
(void)on;
}
void power_off(void)
{
}
void ide_power_enable(bool on)
{
(void)on;
}
#ifdef HAVE_SPDIF_POWER
void spdif_power_enable(bool on)
{
(void)on;
}
#endif
#endif /* SIMULATOR */
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