devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

Possibly better USB handling

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1419 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-07-23 15:02:25 +00:00
parent adfbc11960
commit 2f4b88e9bb
2 changed files with 27 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

46
firmware/drivers/ata.c
View file

@ -125,7 +125,6 @@ int ata_read_sectors(unsigned long start,
if ( sleeping ) {
if (ata_soft_reset()) {
mutex_unlock(&ata_mtx);
return -1;
}
}
@ -184,7 +183,6 @@ int ata_write_sectors(unsigned long start,
if ( sleeping ) {
if (ata_soft_reset()) {
mutex_unlock(&ata_mtx);
return -1;
}
}
@ -307,14 +305,14 @@ static void ata_thread(void)
while (1) {
queue_wait(&ata_queue, &ev);
switch ( ev.id ) {
case SYS_USB_CONNECTED:
/* Tell the USB thread that we are safe */
DEBUGF("backlight_thread got SYS_USB_CONNECTED\n");
usb_acknowledge(SYS_USB_CONNECTED_ACK);
case SYS_USB_CONNECTED:
/* Tell the USB thread that we are safe */
DEBUGF("backlight_thread got SYS_USB_CONNECTED\n");
usb_acknowledge(SYS_USB_CONNECTED_ACK);
/* Wait until the USB cable is extracted again */
usb_wait_for_disconnect(&ata_queue);
break;
/* Wait until the USB cable is extracted again */
usb_wait_for_disconnect(&ata_queue);
break;
case Q_SLEEP:
ata_perform_sleep();
@ -372,7 +370,7 @@ int ata_soft_reset(void)
retry_count = 8;
do
{
ret = wait_for_rdy();
ret = wait_for_rdy();
} while(!ret && retry_count--);
/* Massage the return code so it is 0 on success and -1 on failure */
@ -447,9 +445,9 @@ static int io_address_detect(void)
void ata_enable(bool on)
{
if(on)
PADR &= ~0x80; /* enable ATA */
PADR &= ~0x80; /* enable ATA */
else
PADR |= 0x80; /* disable ATA */
PADR |= 0x80; /* disable ATA */
PAIOR |= 0x80;
}
@ -462,19 +460,19 @@ int ata_init(void)
ata_enable(true);
if (master_slave_detect())
return -1;
if (io_address_detect())
return -2;
if (check_registers())
return -3;
if (freeze_lock())
return -4;
if ( !initialized ) {
if (master_slave_detect())
return -1;
if (io_address_detect())
return -2;
if (check_registers())
return -3;
if (freeze_lock())
return -4;
queue_init(&ata_queue);
create_thread(ata_thread, ata_stack,
sizeof(ata_stack), ata_thread_name);