259 nhpibreset(struct hpibbus_softc *hs)  in nhpibreset()  argument
261 	struct nhpib_softc *sc = device_private(device_parent(hs->sc_dev));  in nhpibreset()
265 	hd->hpib_ar = hs->sc_ba;  in nhpibreset()
296 nhpibsend(struct hpibbus_softc *hs, int slave, int sec, void *ptr, int origcnt)  in nhpibsend()  argument
298 	struct nhpib_softc *sc = device_private(device_parent(hs->sc_dev));  in nhpibsend()
307 	hd->hpib_data = talker_par[hs->sc_ba];  in nhpibsend()
351 nhpibrecv(struct hpibbus_softc *hs, int slave, int sec, void *ptr, int origcnt)  in nhpibrecv()  argument
353 	struct nhpib_softc *sc = device_private(device_parent(hs->sc_dev));  in nhpibrecv()
367 		hd->hpib_data = listnr_par[hs->sc_ba];  in nhpibrecv()
401 nhpibgo(struct hpibbus_softc *hs, int slave, int sec, void *ptr, int count,  in nhpibgo()  argument
404 	struct nhpib_softc *sc = device_private(device_parent(hs->sc_dev));  in nhpibgo()
408 	hs->sc_flags |= HPIBF_IO;  in nhpibgo()
410 		hs->sc_flags |= HPIBF_TIMO;  in nhpibgo()
412 		hs->sc_flags |= HPIBF_READ;  in nhpibgo()
414 	else if (hs->sc_flags & HPIBF_READ) {  in nhpibgo()
416 		hs->sc_flags &= ~HPIBF_READ;  in nhpibgo()
419 	hs->sc_count = count;  in nhpibgo()
420 	hs->sc_addr = addr;  in nhpibgo()
421 	if (hs->sc_flags & HPIBF_READ) {  in nhpibgo()
422 		hs->sc_curcnt = count;  in nhpibgo()
423 		dmago(hs->sc_dq->dq_chan, addr, count, DMAGO_BYTE|DMAGO_READ);  in nhpibgo()
424 		nhpibrecv(hs, slave, sec, 0, 0);  in nhpibgo()
429 			hs->sc_curcnt = count;  in nhpibgo()
430 			nhpibsend(hs, slave, sec, addr, count);  in nhpibgo()
431 			nhpibdone(hs);  in nhpibgo()
434 		hs->sc_curcnt = --count;  in nhpibgo()
435 		dmago(hs->sc_dq->dq_chan, addr, count, DMAGO_BYTE);  in nhpibgo()
436 		nhpibsend(hs, slave, sec, 0, 0);  in nhpibgo()
438 	hd->hpib_ie = IDS_IE | IDS_DMA(hs->sc_dq->dq_chan);  in nhpibgo()
451 	struct hpibbus_softc *hs = arg;  in nhpibreadtimo()  local
452 	struct nhpib_softc *sc = device_private(device_parent(hs->sc_dev));  in nhpibreadtimo()
455 	if (hs->sc_flags & HPIBF_IO) {  in nhpibreadtimo()
461 		hs->sc_flags &= ~(HPIBF_DONE|HPIBF_IO|HPIBF_READ|HPIBF_TIMO);  in nhpibreadtimo()
462 		dmafree(hs->sc_dq);  in nhpibreadtimo()
464 		hq = TAILQ_FIRST(&hs->sc_queue);  in nhpibreadtimo()
471 nhpibdone(struct hpibbus_softc *hs)  in nhpibdone()  argument
473 	struct nhpib_softc *sc = device_private(device_parent(hs->sc_dev));  in nhpibdone()
477 	cnt = hs->sc_curcnt;  in nhpibdone()
478 	hs->sc_addr += cnt;  in nhpibdone()
479 	hs->sc_count -= cnt;  in nhpibdone()
480 	hs->sc_flags |= HPIBF_DONE;  in nhpibdone()
482 	if (hs->sc_flags & HPIBF_READ) {  in nhpibdone()
483 		if ((hs->sc_flags & HPIBF_TIMO) &&  in nhpibdone()
486 			    nhpibreadtimo, hs);  in nhpibdone()
488 		if (hs->sc_count == 1) {  in nhpibdone()
491 			hd->hpib_data = *hs->sc_addr;  in nhpibdone()
495 		else if (hs->sc_count)  in nhpibdone()
505 	struct hpibbus_softc *hs = sc->sc_hpibbus;  in nhpibintr()  local
517 	hq = TAILQ_FIRST(&hs->sc_queue);  in nhpibintr()
519 	if (hs->sc_flags & HPIBF_IO) {  in nhpibintr()
521 		if ((hs->sc_flags & HPIBF_DONE) == 0) {  in nhpibintr()
522 			hs->sc_flags &= ~HPIBF_TIMO;  in nhpibintr()
523 			dmastop(hs->sc_dq->dq_chan);  in nhpibintr()
524 		} else if (hs->sc_flags & HPIBF_TIMO)  in nhpibintr()
527 		hs->sc_flags &= ~(HPIBF_DONE|HPIBF_IO|HPIBF_READ|HPIBF_TIMO);  in nhpibintr()
529 		dmafree(hs->sc_dq);  in nhpibintr()
531 	} else if (hs->sc_flags & HPIBF_PPOLL) {  in nhpibintr()
533 		stat0 = nhpibppoll(hs);  in nhpibintr()
535 			hs->sc_flags &= ~HPIBF_PPOLL;  in nhpibintr()
541 			    device_xname(hs->sc_dev), stat0);  in nhpibintr()
548 nhpibppoll(struct hpibbus_softc *hs)  in nhpibppoll()  argument
550 	struct nhpib_softc *sc = device_private(device_parent(hs->sc_dev));  in nhpibppoll()
585 	struct hpibbus_softc *hs = arg;  in nhpibppwatch()  local
586 	struct nhpib_softc *sc = device_private(device_parent(hs->sc_dev));  in nhpibppwatch()
588 	if ((hs->sc_flags & HPIBF_PPOLL) == 0)  in nhpibppwatch()
591 	if (nhpibppoll(hs) & (0x80 >> TAILQ_FIRST(&hs->sc_queue)->hq_slave))  in nhpibppwatch()
597 		callout_reset(&sc->sc_ppwatch_ch, 1, nhpibppwatch, hs);  in nhpibppwatch()