e8fd3dd28a
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15766 a1c6a512-1295-4272-9138-f99709370657
122 lines
3.7 KiB
C
122 lines
3.7 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) 2002 by Linus Nielsen Feltzing
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*
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* iPod driver based on code from the ipodlinux project - http://ipodlinux.org
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* Adapted for Rockbox in January 2006
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* Original file: podzilla/usb.c
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* Copyright (C) 2005 Adam Johnston
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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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 "system.h"
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#include "usb.h"
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#include "button.h"
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#include "ata.h"
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#include "string.h"
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#ifdef HAVE_USBSTACK
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#include "usb_core.h"
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#include "usb_drv.h"
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#endif
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void usb_init_device(void)
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{
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/* enable usb module */
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GPO32_ENABLE |= 0x200;
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outl(inl(0x7000002C) | 0x3000000, 0x7000002C);
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DEV_EN |= DEV_USB;
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DEV_RS |= DEV_USB; /* reset usb start */
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DEV_RS &=~DEV_USB;/* reset usb end */
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DEV_INIT2 |= INIT_USB;
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while ((inl(0x70000028) & 0x80) == 0);
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outl(inl(0x70000028) | 0x2, 0x70000028);
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udelay(0x186A0);
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#if defined(IPOD_COLOR) || defined(IPOD_4G) \
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|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
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/* GPIO C bit 1 is firewire detect */
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GPIOC_ENABLE |= 0x02;
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GPIOC_OUTPUT_EN &= ~0x02;
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#endif
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}
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void usb_enable(bool on)
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{
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#ifdef HAVE_USBSTACK
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if (on)
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usb_core_init();
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else
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usb_core_exit();
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#else
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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 PP502x targets. */
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if (on)
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{
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#if defined(IPOD_ARCH) || defined(IRIVER_H10) || defined (IRIVER_H10_5GB) ||\
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defined(SANSA_C200)
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/* For the H10 and iPod, we can only do one thing with USB mode - reboot
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into the flash-based disk-mode. This does not return. */
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#if defined(IRIVER_H10) || defined (IRIVER_H10_5GB)
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if(button_status()==BUTTON_RIGHT)
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#endif /* defined(IRIVER_H10) || defined (IRIVER_H10_5GB) */
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{
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#ifndef HAVE_FLASH_STORAGE
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ata_sleepnow(); /* Immediately spindown the disk. */
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sleep(HZ*2);
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#endif
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#ifdef IPOD_ARCH /* The following code is based on ipodlinux */
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#if CONFIG_CPU == PP5020
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memcpy((void *)0x40017f00, "diskmode\0\0hotstuff\0\0\1", 21);
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#elif CONFIG_CPU == PP5022
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memcpy((void *)0x4001ff00, "diskmode\0\0hotstuff\0\0\1", 21);
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#endif /* CONFIG_CPU */
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#endif /* IPOD_ARCH */
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system_reboot(); /* Reboot */
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}
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#endif /*defined(IPOD_ARCH) || defined(IRIVER_H10) || defined (IRIVER_H10_5GB)*/
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}
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#endif /* !HAVE_USBSTACK */
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}
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int usb_detect(void)
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{
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#if defined(IPOD_COLOR) || defined(IPOD_4G) \
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|| defined(IPOD_MINI) || defined(IPOD_MINI2G)
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/* GPIO C bit 1 is firewire detect */
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if (!(GPIOC_INPUT_VAL & 0x02))
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return USB_INSERTED;
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#elif defined(SANSA_C200)
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/* GPIO H bit 1 is usb detect */
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if (GPIOH_INPUT_VAL & 0x02)
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return USB_INSERTED;
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#elif defined(SANSA_E200)
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/* GPIO B bit 4 is usb detect */
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if (GPIOB_INPUT_VAL & 0x10)
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return USB_INSERTED;
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#elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
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/* GPIO L bit 2 is usb detect */
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if (GPIOL_INPUT_VAL & 0x4)
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return USB_INSERTED;
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#endif
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return USB_EXTRACTED;
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}
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