rockbox/firmware/ata_idle_notify.c
Daniel Stenberg 2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
2008-06-28 18:10:04 +00:00

64 lines
1.9 KiB
C

/***************************************************************************
* __________ __ ___.
* 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_ata_idle_func(ata_idle_notify function)
{
#if USING_ATA_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_ATA_CALLBACK
void unregister_ata_idle_func(ata_idle_notify func, bool run)
{
remove_event(DISK_EVENT_SPINUP, func);
if (run)
func();
}
bool call_ata_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