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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Jens Arnold
*
* 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 "ata.h"
#include "cpu.h"
#include "string.h"
#include "system.h"
#include "usb.h"
void usb_pin_init(void)
{
#if defined(IPOD_1G2G)
/* GPIO C bit 7 is firewire detect */
GPIOC_ENABLE |= 0x80;
GPIOC_OUTPUT_EN &= ~0x80;
#elif defined(IPOD_3G)
/* GPIO D bit 4 is USB detect */
GPIOD_ENABLE |= 0x10;
GPIOD_OUTPUT_EN &= ~0x10;
#endif
}
/* No different for now */
void usb_init_device(void) __attribute__((alias("usb_pin_init")));
void usb_enable(bool on)
{
/* This device specific code will eventually give way to proper USB
handling, which should be the same for all PP5002 targets. */
if (on)
{
#ifdef IPOD_ARCH
/* For iPod, we can only do one thing with USB mode atm - reboot
into the flash-based disk-mode. This does not return. */
ata_sleepnow(); /* Immediately spindown the disk. */
sleep(HZ*2);
memcpy((void *)0x40017f00, "diskmodehotstuff\1", 17);
system_reboot(); /* Reboot */
#endif
}
}
int usb_detect(void)
{
#if defined(IPOD_1G2G)
/* GPIO C bit 7 is firewire detect */
if (!(GPIOC_INPUT_VAL & 0x80))
return USB_INSERTED;
#endif
#if defined(IPOD_3G)
/* GPIO D bit 4 is USB detect */
if (GPIOD_INPUT_VAL & 0x10)
return USB_INSERTED;
#endif
return USB_EXTRACTED;
}
bool usb_plugged(void) __attribute__((alias("usb_detect")));
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