int emu10k1_mpuin_open(struct emu10k1_card *card, struct midi_openinfo *openinfo)
{
struct emu10k1_mpuin *card_mpuin = card->mpuin;
DPF(2, "emu10k1_mpuin_open\n");
if (!(card_mpuin->status & FLAGS_AVAILABLE))
return -1;
/* Copy open info and mark channel as in use */
card_mpuin->openinfo = *openinfo;
card_mpuin->status &= ~FLAGS_AVAILABLE; /* clear */
card_mpuin->status |= FLAGS_READY; /* set */
card_mpuin->status &= ~FLAGS_MIDM_STARTED; /* clear */
card_mpuin->firstmidiq = NULL;
card_mpuin->lastmidiq = NULL;
card_mpuin->qhead = 0;
card_mpuin->qtail = 0;
sblive_miStateInit(card_mpuin);
emu10k1_mpu_reset(card);
emu10k1_mpu_acquire(card);
return 0;
}
VOID
CloseCAMDPort( struct Hook* hook,
struct EMU10kxBase* EMU10kxBase,
struct CloseMessage* msg )
{
struct DriverBase* AHIsubBase = (struct DriverBase*) EMU10kxBase;
struct EMU10kxData* dd = EMU10kxBase->driverdatas[ msg->PortNum ];
emu10k1_irq_disable( &dd->card, INTE_MIDIRXENABLE );
emu10k1_irq_disable( &dd->card, INTE_MIDITXENABLE );
emu10k1_mpu_reset( &dd->card );
ObtainSemaphore( &EMU10kxBase->semaphore );
dd->camd_transmitfunc = NULL;
dd->camd_receivefunc = NULL;
ReleaseSemaphore( &EMU10kxBase->semaphore );
}
ULONG
OpenCAMDPort( struct Hook* hook,
struct EMU10kxBase* EMU10kxBase,
struct OpenMessage* msg )
{
struct DriverBase* AHIsubBase = (struct DriverBase*) EMU10kxBase;
struct EMU10kxData* dd;
BOOL in_use;
// KPrintF( "OpenCAMDPort(%ld,%ld)\n", msg->PortNum, msg->V40Mode );
if( msg->PortNum >= EMU10kxBase->cards_found ||
EMU10kxBase->driverdatas[ msg->PortNum ] == NULL )
{
Req( "No valid EMU10kxData for CAMD port %ld.", msg->PortNum );
return FALSE;
}
dd = EMU10kxBase->driverdatas[ msg->PortNum ];
ObtainSemaphore( &EMU10kxBase->semaphore );
in_use = ( dd->camd_transmitfunc != NULL ||
dd->camd_receivefunc != NULL );
if( !in_use )
{
dd->camd_v40 = msg->V40Mode;
dd->camd_transmitfunc = msg->TransmitFunc;
dd->camd_receivefunc = msg->ReceiveFunc;
}
ReleaseSemaphore( &EMU10kxBase->semaphore );
if( in_use )
{
return FALSE;
}
emu10k1_irq_disable( &dd->card, INTE_MIDIRXENABLE );
emu10k1_irq_disable( &dd->card, INTE_MIDITXENABLE );
emu10k1_mpu_reset( &dd->card );
emu10k1_irq_enable( &dd->card, INTE_MIDIRXENABLE );
return TRUE;
}
static int __devinit midi_init(struct emu10k1_card *card)
{
if ((card->mpuout = kmalloc(sizeof(struct emu10k1_mpuout), GFP_KERNEL))
== NULL) {
printk(KERN_WARNING "emu10k1: Unable to allocate emu10k1_mpuout: out of memory\n");
return CTSTATUS_ERROR;
}
memset(card->mpuout, 0, sizeof(struct emu10k1_mpuout));
card->mpuout->intr = 1;
card->mpuout->status = FLAGS_AVAILABLE;
card->mpuout->state = CARDMIDIOUT_STATE_DEFAULT;
tasklet_init(&card->mpuout->tasklet, emu10k1_mpuout_bh, (unsigned long) card);
spin_lock_init(&card->mpuout->lock);
if ((card->mpuin = kmalloc(sizeof(struct emu10k1_mpuin), GFP_KERNEL)) == NULL) {
kfree(card->mpuout);
printk(KERN_WARNING "emu10k1: Unable to allocate emu10k1_mpuin: out of memory\n");
return CTSTATUS_ERROR;
}
memset(card->mpuin, 0, sizeof(struct emu10k1_mpuin));
card->mpuin->status = FLAGS_AVAILABLE;
tasklet_init(&card->mpuin->tasklet, emu10k1_mpuin_bh, (unsigned long) card->mpuin);
spin_lock_init(&card->mpuin->lock);
/* Reset the MPU port */
if (emu10k1_mpu_reset(card) != CTSTATUS_SUCCESS) {
ERROR();
return CTSTATUS_ERROR;
}
return CTSTATUS_SUCCESS;
}
