271 static void snd_mtpav_output_port_write(struct mtpav *mtp_card,  in snd_mtpav_output_port_write()  argument
284 	if (portp->hwport != mtp_card->outmidihwport) {  in snd_mtpav_output_port_write()
285 		mtp_card->outmidihwport = portp->hwport;  in snd_mtpav_output_port_write()
287 		snd_mtpav_send_byte(mtp_card, 0xf5);  in snd_mtpav_output_port_write()
288 		snd_mtpav_send_byte(mtp_card, portp->hwport);  in snd_mtpav_output_port_write()
294 			snd_mtpav_send_byte(mtp_card, portp->running_status);  in snd_mtpav_output_port_write()
303 		snd_mtpav_send_byte(mtp_card, outbyte);  in snd_mtpav_output_port_write()
309 	struct mtpav *mtp_card = substream->rmidi->private_data;  in snd_mtpav_output_write()  local
310 	struct mtpav_port *portp = &mtp_card->ports[substream->number];  in snd_mtpav_output_write()
313 	spin_lock_irqsave(&mtp_card->spinlock, flags);  in snd_mtpav_output_write()
314 	snd_mtpav_output_port_write(mtp_card, portp, substream);  in snd_mtpav_output_write()
315 	spin_unlock_irqrestore(&mtp_card->spinlock, flags);  in snd_mtpav_output_write()
339 	struct mtpav *mtp_card = substream->rmidi->private_data;  in snd_mtpav_input_open()  local
340 	struct mtpav_port *portp = &mtp_card->ports[substream->number];  in snd_mtpav_input_open()
343 	spin_lock_irqsave(&mtp_card->spinlock, flags);  in snd_mtpav_input_open()
346 	if (mtp_card->share_irq++ == 0)  in snd_mtpav_input_open()
347 		snd_mtpav_mputreg(mtp_card, CREG, (SIGC_INTEN | SIGC_WRITE));	// enable pport interrupts  in snd_mtpav_input_open()
348 	spin_unlock_irqrestore(&mtp_card->spinlock, flags);  in snd_mtpav_input_open()
357 	struct mtpav *mtp_card = substream->rmidi->private_data;  in snd_mtpav_input_close()  local
358 	struct mtpav_port *portp = &mtp_card->ports[substream->number];  in snd_mtpav_input_close()
361 	spin_lock_irqsave(&mtp_card->spinlock, flags);  in snd_mtpav_input_close()
364 	if (--mtp_card->share_irq == 0)  in snd_mtpav_input_close()
365 		snd_mtpav_mputreg(mtp_card, CREG, 0);	// disable pport interrupts  in snd_mtpav_input_close()
366 	spin_unlock_irqrestore(&mtp_card->spinlock, flags);  in snd_mtpav_input_close()
375 	struct mtpav *mtp_card = substream->rmidi->private_data;  in snd_mtpav_input_trigger()  local
376 	struct mtpav_port *portp = &mtp_card->ports[substream->number];  in snd_mtpav_input_trigger()
379 	spin_lock_irqsave(&mtp_card->spinlock, flags);  in snd_mtpav_input_trigger()
384 	spin_unlock_irqrestore(&mtp_card->spinlock, flags);  in snd_mtpav_input_trigger()
428 	struct mtpav *mtp_card = substream->rmidi->private_data;  in snd_mtpav_output_open()  local
429 	struct mtpav_port *portp = &mtp_card->ports[substream->number];  in snd_mtpav_output_open()
432 	spin_lock_irqsave(&mtp_card->spinlock, flags);  in snd_mtpav_output_open()
435 	spin_unlock_irqrestore(&mtp_card->spinlock, flags);  in snd_mtpav_output_open()
444 	struct mtpav *mtp_card = substream->rmidi->private_data;  in snd_mtpav_output_close()  local
445 	struct mtpav_port *portp = &mtp_card->ports[substream->number];  in snd_mtpav_output_close()
448 	spin_lock_irqsave(&mtp_card->spinlock, flags);  in snd_mtpav_output_close()
451 	spin_unlock_irqrestore(&mtp_card->spinlock, flags);  in snd_mtpav_output_close()
460 	struct mtpav *mtp_card = substream->rmidi->private_data;  in snd_mtpav_output_trigger()  local
461 	struct mtpav_port *portp = &mtp_card->ports[substream->number];  in snd_mtpav_output_trigger()
464 	spin_lock_irqsave(&mtp_card->spinlock, flags);  in snd_mtpav_output_trigger()
467 			if (mtp_card->istimer++ == 0)  in snd_mtpav_output_trigger()
468 				snd_mtpav_add_output_timer(mtp_card);  in snd_mtpav_output_trigger()
473 		if (--mtp_card->istimer == 0)  in snd_mtpav_output_trigger()
474 			snd_mtpav_remove_output_timer(mtp_card);  in snd_mtpav_output_trigger()
476 	spin_unlock_irqrestore(&mtp_card->spinlock, flags);  in snd_mtpav_output_trigger()
680 	struct mtpav *mtp_card;  in snd_mtpav_probe()  local
683 			   sizeof(*mtp_card), &card);  in snd_mtpav_probe()
687 	mtp_card = card->private_data;  in snd_mtpav_probe()
688 	spin_lock_init(&mtp_card->spinlock);  in snd_mtpav_probe()
689 	mtp_card->card = card;  in snd_mtpav_probe()
690 	mtp_card->irq = -1;  in snd_mtpav_probe()
691 	mtp_card->share_irq = 0;  in snd_mtpav_probe()
692 	mtp_card->inmidistate = 0;  in snd_mtpav_probe()
693 	mtp_card->outmidihwport = 0xffffffff;  in snd_mtpav_probe()
694 	timer_setup(&mtp_card->timer, snd_mtpav_output_timer, 0);  in snd_mtpav_probe()
698 	err = snd_mtpav_get_RAWMIDI(mtp_card);  in snd_mtpav_probe()
702 	mtp_card->inmidiport = mtp_card->num_ports + MTPAV_PIDX_BROADCAST;  in snd_mtpav_probe()
704 	err = snd_mtpav_get_ISA(mtp_card);  in snd_mtpav_probe()
713 	snd_mtpav_portscan(mtp_card);  in snd_mtpav_probe()
715 	err = snd_card_register(mtp_card->card);  in snd_mtpav_probe()