32d7c6a863
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20008 a1c6a512-1295-4272-9138-f99709370657
152 lines
4 KiB
C
152 lines
4 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* 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 "adc.h"
|
|
#include "kernel.h"
|
|
#include "system.h"
|
|
#include "power.h"
|
|
#include "logf.h"
|
|
#include "pcf50605.h"
|
|
#include "usb.h"
|
|
#include "lcd.h"
|
|
|
|
void power_init(void)
|
|
{
|
|
#if defined(IPOD_1G2G) || defined(IPOD_3G)
|
|
GPIOC_ENABLE |= 0x40; /* GPIO C6 is HDD power (low active) */
|
|
GPIOC_OUTPUT_VAL &= ~0x40; /* on by default */
|
|
GPIOC_OUTPUT_EN |= 0x40; /* enable output */
|
|
#endif
|
|
#ifndef IPOD_1G2G
|
|
pcf50605_init();
|
|
#endif
|
|
}
|
|
|
|
#if CONFIG_CHARGING
|
|
unsigned int power_input_status(void)
|
|
{
|
|
unsigned int status = POWER_INPUT_NONE;
|
|
|
|
#if defined(IPOD_NANO) || defined(IPOD_VIDEO)
|
|
if ((GPIOL_INPUT_VAL & 0x08) == 0)
|
|
status = POWER_INPUT_MAIN_CHARGER;
|
|
|
|
if ((GPIOL_INPUT_VAL & 0x10) != 0)
|
|
status |= POWER_INPUT_USB_CHARGER;
|
|
/* */
|
|
#elif defined(IPOD_4G) || defined(IPOD_COLOR) \
|
|
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
|
|
/* C2 is firewire power */
|
|
if ((GPIOC_INPUT_VAL & 0x04) == 0)
|
|
status = POWER_INPUT_MAIN_CHARGER;
|
|
/* */
|
|
#elif defined(IPOD_3G)
|
|
/* firewire power */
|
|
if ((GPIOC_INPUT_VAL & 0x10) == 0)
|
|
status = POWER_INPUT_MAIN_CHARGER;
|
|
/* */
|
|
#else
|
|
/* This needs filling in for other ipods. */
|
|
#endif
|
|
|
|
return status;
|
|
}
|
|
|
|
/* Returns true if the unit is charging the batteries. */
|
|
bool charging_state(void) {
|
|
return (GPIOB_INPUT_VAL & 0x01)?false:true;
|
|
}
|
|
#endif /* CONFIG_CHARGING */
|
|
|
|
|
|
void ide_power_enable(bool on)
|
|
{
|
|
#if defined(IPOD_1G2G) || defined(IPOD_3G)
|
|
if (on)
|
|
GPIOC_OUTPUT_VAL &= ~0x40;
|
|
else
|
|
GPIOC_OUTPUT_VAL |= 0x40;
|
|
#elif defined(IPOD_4G) || defined(IPOD_COLOR) \
|
|
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
|
|
if (on)
|
|
{
|
|
GPIO_CLEAR_BITWISE(GPIOJ_OUTPUT_VAL, 0x04);
|
|
DEV_EN |= DEV_IDE0;
|
|
}
|
|
else
|
|
{
|
|
DEV_EN &= ~DEV_IDE0;
|
|
GPIO_SET_BITWISE(GPIOJ_OUTPUT_VAL, 0x04);
|
|
}
|
|
#elif defined(IPOD_VIDEO)
|
|
if (on)
|
|
{
|
|
GPO32_VAL &= ~0x40000000;
|
|
DEV_EN |= DEV_IDE0;
|
|
}
|
|
else
|
|
{
|
|
DEV_EN &= ~DEV_IDE0;
|
|
GPO32_VAL |= 0x40000000;
|
|
}
|
|
#else /* Nano */
|
|
(void)on; /* Do nothing. */
|
|
#endif
|
|
}
|
|
|
|
bool ide_powered(void)
|
|
{
|
|
#if defined(IPOD_1G2G) || defined(IPOD_3G)
|
|
return !(GPIOC_OUTPUT_VAL & 0x40);
|
|
#elif defined(IPOD_4G) || defined(IPOD_COLOR) \
|
|
|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
|
|
return !(GPIOJ_OUTPUT_VAL & 0x04);
|
|
#elif defined(IPOD_VIDEO)
|
|
return !(GPO32_VAL & 0x40000000);
|
|
#else /* Nano */
|
|
return true; /* Pretend we are always powered */
|
|
#endif
|
|
}
|
|
|
|
void power_off(void)
|
|
{
|
|
#if defined(HAVE_LCD_COLOR)
|
|
/* Clear the screen and backdrop to
|
|
remove ghosting effect on shutdown */
|
|
lcd_set_backdrop(NULL);
|
|
lcd_set_background(LCD_WHITE);
|
|
lcd_clear_display();
|
|
lcd_update();
|
|
sleep(HZ/16);
|
|
#endif
|
|
|
|
#ifndef BOOTLOADER
|
|
#ifdef IPOD_1G2G
|
|
/* we cannot turn off the 1st gen/ 2nd gen yet. Need to figure out sleep mode. */
|
|
system_reboot();
|
|
#else
|
|
/* We don't turn off the ipod, we put it in a deep sleep */
|
|
pcf50605_standby_mode();
|
|
#endif
|
|
#endif
|
|
}
|