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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2006 Jonathan Gordon
*
* 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 <stdbool.h>
#include "system.h"
#include "ata.h"
#include "ata_idle_notify.h"
#include "kernel.h"
#include "string.h"
void register_storage_idle_func(storage_idle_notify function)
{
#if USING_STORAGE_CALLBACK
add_event(DISK_EVENT_SPINUP, true, function);
#else
function(); /* just call the function now */
/* this _may_ cause problems later if the calling function
sets a variable expecting the callback to unset it, because
the callback will be run before this function exits, so before the var is set */
#endif
}
#if USING_STORAGE_CALLBACK
void unregister_storage_idle_func(storage_idle_notify func, bool run)
{
remove_event(DISK_EVENT_SPINUP, func);
if (run)
func();
}
bool call_storage_idle_notifys(bool force)
{
static int lock_until = 0;
if (!force)
{
if (TIME_BEFORE(current_tick,lock_until) )
return false;
}
lock_until = current_tick + 30*HZ;
send_event(DISK_EVENT_SPINUP, NULL);
return true;
}
#endif
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