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rockbox/firmware/drivers/power.c
Linus Nielsen Feltzing f64ad7d8f3 Patch #5789 by Mike Sevakis - Proper shut down of Coldfire targets 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10510 a1c6a512-1295-4272-9138-f99709370657
2006-08-10 13:47:22 +00:00

359 lines
8.9 KiB
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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
#ifdef CONFIG_TUNER
static bool powered = false;
bool radio_powered()
{
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 /* #ifdef CONFIG_TUNER */
#ifndef SIMULATOR
void power_init(void)
{
#if CONFIG_CPU == MCF5249
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
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);
#ifdef HAVE_SPDIF_POWER
spdif_power_enable(false);
#endif
#ifdef IRIVER_H300_SERIES
pcf50606_init();
#endif
#endif
#elif CONFIG_CPU == PP5020 || CONFIG_CPU == PP5002
pcf50605_init();
#else
#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
#endif
}
#ifdef CONFIG_CHARGING
bool charger_inserted(void)
{
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
return (GPIO1_READ & 0x00400000)?true:false;
#elif defined(GMINI_ARCH)
return (P7 & 0x80) == 0;
#elif defined(IAUDIO_X5)
return (GPIO1_READ & 0x01000000)?true:false;
#elif 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;
#elif defined(IPOD_VIDEO)
return (GPIOL_INPUT_VAL & 0x08)?false:true;
#elif defined(IPOD_ARCH)
/* This needs filling in for other ipods. */
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;
#elif defined(IRIVER_H100_SERIES) /* FIXME */
return charger_inserted();
#elif defined IRIVER_H300_SERIES
return (GPIO_READ & 0x00800000)?true:false;
#elif defined IPOD_VIDEO
return (GPIOB_INPUT_VAL & 0x01)?false:true;
#endif
}
#endif
#ifdef HAVE_SPDIF_POWER
void spdif_power_enable(bool on)
{
or_l(0x01000000, &GPIO1_FUNCTION);
or_l(0x01000000, &GPIO1_ENABLE);
#ifdef SPDIF_POWER_INVERTED
if(!on)
#else
if(on)
#endif
and_l(~0x01000000, &GPIO1_OUT);
else
or_l(0x01000000, &GPIO1_OUT);
}
#endif
#ifndef HAVE_MMC
void ide_power_enable(bool on)
{
(void)on;
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
if(on)
and_l(~0x80000000, &GPIO_OUT);
else
or_l(0x80000000, &GPIO_OUT);
#elif defined(IAUDIO_X5)
/* X5 TODO */
#elif (CONFIG_CPU == PP5002) || (CONFIG_CPU == PP5020)
/* We do nothing on the iPod */
#elif defined(GMINI_ARCH)
if(on)
P1 |= 0x08;
else
P1 &= ~0x08;
#elif CONFIG_CPU == PNX0101
/* no ide controller */
#elif 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(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
return (GPIO_OUT & 0x80000000)?false:true;
#elif defined(IAUDIO_X5)
return false; /* X5 TODO */
#elif (CONFIG_CPU == PP5002) || (CONFIG_CPU == PP5020)
/* pretend we are always powered - we don't turn it off on the ipod */
return true;
#elif defined(GMINI_ARCH)
return (P1 & 0x08?true:false);
#elif 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(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
and_l(~0x00080000, &GPIO1_OUT);
asm("halt");
#elif (CONFIG_CPU == PP5002) || (CONFIG_CPU == PP5020)
#ifndef BOOTLOADER
/* We don't turn off the ipod, we put it in a deep sleep */
pcf50605_standby_mode();
#endif
#elif CONFIG_CPU == PNX0101
GPIO1_CLR = 1 << 16;
GPIO2_SET = 1;
#elif defined(GMINI_ARCH)
P1 &= ~1;
P1CON &= ~1;
#elif 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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