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adds ata_idle_notify system which allows callbacks in apps/ to be called

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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
This commit is contained in:
Jonathan Gordon 2006-11-06 14:24:18 +00:00
parent e543901777
commit 0b22795e26
6 changed files with 192 additions and 11 deletions
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15
firmware/drivers/ata.c
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@ -29,7 +29,7 @@
#include "power.h"
#include "string.h"
#include "hwcompat.h"
#include "ata_idle_notify.h"
#ifdef TARGET_TREE
#include "ata-target.h"
#endif
@ -1364,6 +1364,7 @@ static void ata_thread(void)
{
static long last_sleep = 0;
struct event ev;
static long last_callback_run = 0;
while (1) {
while ( queue_empty( &ata_queue ) ) {
@ -1373,8 +1374,16 @@ static void ata_thread(void)
TIME_AFTER( current_tick,
last_disk_activity + sleep_timeout ) )
{
ata_perform_sleep();
last_sleep = current_tick;
if (!call_ata_idle_notifys())
{
ata_perform_sleep();
last_sleep = current_tick;
}
}
else if (TIME_AFTER(current_tick, last_callback_run+(HZ*5)))
{
last_callback_run = current_tick;
call_ata_idle_notifys();
}
#ifdef HAVE_ATA_POWER_OFF