3f709eada2
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29156 a1c6a512-1295-4272-9138-f99709370657
112 lines
3 KiB
C
112 lines
3 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 © 2008 Rafaël Carré
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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 "system.h"
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#include "usb.h"
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#ifdef HAVE_USBSTACK
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#include "usb_core.h"
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#endif
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#include "usb-target.h"
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#include "power.h"
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#include "as3525.h"
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static int usb_status = USB_EXTRACTED;
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#if CONFIG_CPU == AS3525v2 && !defined(USE_ROCKBOX_USB)
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/* Rebooting on USB plug can crash these players in a state where
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* hardware power off (pressing the power button) doesn't work anymore
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* TODO: Implement USB in rockbox for these players */
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#define USB_INSERT_INT_STATUS USB_EXTRACTED
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#undef USB_DETECT_BY_DRV
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#undef USB_DETECT_BY_CORE
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#undef USB_STATUS_BY_EVENT
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#else /* !AS3525v2 */
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#if defined(USB_DETECT_BY_DRV) || defined(USB_DETECT_BY_CORE)
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#ifdef USB_STATUS_BY_EVENT
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#define USB_INSERT_INT_STATUS USB_INSERTED
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#define USB_INSERT_INT_EVENT USB_POWERED
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#define USB_REMOVE_INT_EVENT USB_UNPOWERED
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#else
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#define USB_INSERT_INT_STATUS USB_POWERED
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#endif /* USB_STATUS_BY_EVENT */
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#else /* !USB_DETECT_BY_* */
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#define USB_INSERT_INT_STATUS USB_INSERTED
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#ifdef USB_STATUS_BY_EVENT
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#define USB_INSERT_INT_EVENT USB_INSERTED
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#define USB_REMOVE_INT_EVENT USB_EXTRACTED
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#endif /* USB_STATUS_BY_EVENT */
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#endif /* USB_DETECT_BY_* */
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#endif /* AS3525v2 */
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void usb_enable(bool on)
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{
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#if defined(HAVE_USBSTACK) && defined(USE_ROCKBOX_USB)
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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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(void)on;
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#endif
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}
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void usb_insert_int(void)
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{
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usb_status = USB_INSERT_INT_STATUS;
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#ifdef USB_STATUS_BY_EVENT
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usb_status_event(USB_INSERT_INT_EVENT);
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#endif
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}
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void usb_remove_int(void)
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{
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usb_status = USB_EXTRACTED;
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#ifdef USB_STATUS_BY_EVENT
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usb_status_event(USB_REMOVE_INT_EVENT);
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#endif
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}
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void usb_drv_usb_detect_event(void)
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{
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#if defined(USB_DETECT_BY_DRV) || defined(USB_DETECT_BY_CORE)
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int oldstatus = disable_irq_save(); /* May come via USB thread */
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if (usb_status == USB_INSERT_INT_STATUS)
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{
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usb_status = USB_INSERTED;
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#ifdef USB_STATUS_BY_EVENT
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usb_status_event(USB_INSERTED);
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#endif
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}
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restore_irq(oldstatus);
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#endif /* USB_DETECT_BY_* */
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}
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int usb_detect(void)
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{
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return usb_status;
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}
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