forked from len0rd/rockbox
0b22795e26
when the hard disk is idle but spinning, and just before shutting down. on SWCODEC targets with > 8MB RAM the playback engine will try to refill the buffer if it is less than 75% full while the disk is spinning (temporarily disabled on the nano) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11451 a1c6a512-1295-4272-9138-f99709370657
96 lines
2.6 KiB
C
96 lines
2.6 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) 2006 Jonathan Gordon
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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 <stdbool.h>
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#include "system.h"
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#include "ata_idle_notify.h"
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#include "logf.h"
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#if USING_ATA_CALLBACK
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static ata_idle_notify ata_idle_notify_funcs[MAX_ATA_CALLBACKS];
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static int ata_callback_count = 0;
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#endif
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bool register_ata_idle_func(ata_idle_notify function)
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{
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#if USING_ATA_CALLBACK
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int i;
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for (i=0; i<MAX_ATA_CALLBACKS; i++)
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{
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if (ata_idle_notify_funcs[i] == NULL)
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{
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ata_idle_notify_funcs[i] = function;
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ata_callback_count++;
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return true;
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}
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else if (ata_idle_notify_funcs[i] == function)
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return true;
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}
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return false;
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#else
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function(); /* just call the function now */
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/* this _may_ cause problems later if the calling function
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sets a variable expecting the callback to unset it, because
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the callback will be run before this function exits, so before the var is set */
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return true;
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#endif
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}
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#if USING_ATA_CALLBACK
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void unregister_ata_idle_func(ata_idle_notify func)
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{
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int i;
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for (i=0; i<MAX_ATA_CALLBACKS; i++)
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{
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if (ata_idle_notify_funcs[i] == func)
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{
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ata_idle_notify_funcs[i] = NULL;
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ata_callback_count--;
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}
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}
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return;
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}
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bool call_ata_idle_notifys(void)
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{
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int i;
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ata_idle_notify function;
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if (ata_callback_count == 0)
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return false;
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ata_callback_count = 0; /* so we dont re-enter every time the callbacks read/write */
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for (i = 0; i < MAX_ATA_CALLBACKS; i++)
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{
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if (ata_idle_notify_funcs[i])
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{
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function = ata_idle_notify_funcs[i];
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ata_idle_notify_funcs[i] = NULL;
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function();
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}
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}
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return true;
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}
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void ata_idle_notify_init(void)
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{
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int i;
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for (i=0; i<MAX_ATA_CALLBACKS; i++)
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{
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ata_idle_notify_funcs[i] = NULL;
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}
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}
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#endif
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