5cf79723ec
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31533 a1c6a512-1295-4272-9138-f99709370657
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2007 by Jens Arnold
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include "config.h"
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#include "ata.h"
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#include "cpu.h"
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#include "string.h"
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#include "system.h"
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#include "usb.h"
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void usb_pin_init(void)
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{
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/* TODO: add USB init for iPod 3rd gen */
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#if defined(IPOD_1G2G) || defined(IPOD_3G)
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/* GPIO C bit 7 is firewire detect */
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GPIOC_ENABLE |= 0x80;
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GPIOC_OUTPUT_EN &= ~0x80;
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#endif
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}
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/* No different for now */
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void usb_init_device(void) __attribute__((alias("usb_pin_init")));
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void usb_enable(bool on)
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{
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/* This device specific code will eventually give way to proper USB
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handling, which should be the same for all PP5002 targets. */
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if (on)
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{
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#ifdef IPOD_ARCH
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/* For iPod, we can only do one thing with USB mode atm - reboot
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into the flash-based disk-mode. This does not return. */
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ata_sleepnow(); /* Immediately spindown the disk. */
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sleep(HZ*2);
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memcpy((void *)0x40017f00, "diskmodehotstuff\1", 17);
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system_reboot(); /* Reboot */
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#endif
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}
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}
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int usb_detect(void)
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{
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#if defined(IPOD_1G2G) || defined(IPOD_3G)
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/* GPIO C bit 7 is firewire detect */
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if (!(GPIOC_INPUT_VAL & 0x80))
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return USB_INSERTED;
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#endif
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/* TODO: add USB detection for iPod 3rd gen */
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return USB_EXTRACTED;
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}
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bool usb_plugged(void) __attribute__((alias("usb_detect")));
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