138 pbinb(struct pbio_softc *scp, int off)  in pbinb()  argument
141 	return (bus_read_1(scp->res, off));  in pbinb()
145 pboutb(struct pbio_softc *scp, int off, uint8_t val)  in pboutb()  argument
148 	bus_write_1(scp->res, off, val);  in pboutb()
155 	struct pbio_softc *scp = device_get_softc(dev);  in pbioprobe()  local
163 	scp->res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid,  in pbioprobe()
165 	if (scp->res == NULL)  in pbioprobe()
175 	pboutb(scp, PBIO_CFG, 0x80);  in pbioprobe()
177 		rman_get_start(scp->res), pbinb(scp, PBIO_CFG));  in pbioprobe()
178 	pboutb(scp, PBIO_PORTA, 0xa5);  in pbioprobe()
179 	val = pbinb(scp, PBIO_PORTA);  in pbioprobe()
185 	pboutb(scp, PBIO_PORTA, 0x5a);  in pbioprobe()
186 	val = pbinb(scp, PBIO_PORTA);  in pbioprobe()
195 	/* pboutb(scp, PBIO_CFG, 0x9b); */  in pbioprobe()
196 	bus_release_resource(dev, SYS_RES_IOPORT, rid, scp->res);  in pbioprobe()
246 	struct pbio_softc *scp;  in pbioioctl()  local
251 	scp = pbio_addr(dev);  in pbioioctl()
252 	sx_xlock(&scp->lock);  in pbioioctl()
255 		scp->pd[port].diff = *(int *)data;  in pbioioctl()
258 		scp->pd[port].ipace = *(int *)data;  in pbioioctl()
261 		scp->pd[port].opace = *(int *)data;  in pbioioctl()
264 		*(int *)data = scp->pd[port].diff;  in pbioioctl()
267 		*(int *)data = scp->pd[port].ipace;  in pbioioctl()
270 		*(int *)data = scp->pd[port].opace;  in pbioioctl()
275 	sx_xunlock(&scp->lock);  in pbioioctl()
282 	struct pbio_softc *scp;  in pbioopen()  local
287 	scp = pbio_addr(dev);  in pbioopen()
296 	ocfg = scp->iomode;  in pbioopen()
299 	sx_xlock(&scp->lock);  in pbioopen()
302 		pboutb(scp, PBIO_CFG, scp->iomode = (ocfg & (~portbit)));  in pbioopen()
305 		pboutb(scp, PBIO_CFG, scp->iomode = (ocfg | portbit));  in pbioopen()
308 	sx_xunlock(&scp->lock);  in pbioopen()
318 portval(int port, struct pbio_softc *scp, char *val)  in portval()  argument
325 			*val = pbinb(scp, PBIO_PORTA);  in portval()
328 			*val = pbinb(scp, PBIO_PORTB);  in portval()
331 			*val = (pbinb(scp, PBIO_PORTC) >> 4) & 0xf;  in portval()
334 			*val = pbinb(scp, PBIO_PORTC) & 0xf;  in portval()
340 		if (scp->pd[port].diff) {  in portval()
341 			if (*val != scp->pd[port].oldval) {  in portval()
342 				scp->pd[port].oldval = *val;  in portval()
345 			err = pause_sig("pbiopl", max(1, scp->pd[port].ipace));  in portval()
356 	struct pbio_softc *scp;  in pbioread()  local
361 	scp = pbio_addr(dev);  in pbioread()
364 	sx_xlock(&scp->lock);  in pbioread()
367 		if ((err = uiomove(scp->pd[port].buff, toread, uio)) != 0)  in pbioread()
370 			if ((err = portval(port, scp, &val)) != 0)  in pbioread()
372 			scp->pd[port].buff[i] = val;  in pbioread()
373 			if (!scp->pd[port].diff && scp->pd[port].ipace)  in pbioread()
374 				pause_sig("pbioip", scp->pd[port].ipace);  in pbioread()
377 	sx_xunlock(&scp->lock);  in pbioread()
384 	struct pbio_softc *scp;  in pbiowrite()  local
389 	scp = pbio_addr(dev);  in pbiowrite()
392 	sx_xlock(&scp->lock);  in pbiowrite()
395 		if ((ret = uiomove(scp->pd[port].buff, towrite, uio)) != 0)  in pbiowrite()
398 			val = scp->pd[port].buff[i];  in pbiowrite()
401 				pboutb(scp, PBIO_PORTA, val);  in pbiowrite()
404 				pboutb(scp, PBIO_PORTB, val);  in pbiowrite()
407 				oval = pbinb(scp, PBIO_PORTC);  in pbiowrite()
410 				pboutb(scp, PBIO_PORTC, val | oval);  in pbiowrite()
413 				oval = pbinb(scp, PBIO_PORTC);  in pbiowrite()
416 				pboutb(scp, PBIO_PORTC, oval | val);  in pbiowrite()
419 			if (scp->pd[port].opace)  in pbiowrite()
420 				pause_sig("pbioop", scp->pd[port].opace);  in pbiowrite()
423 	sx_xunlock(&scp->lock);  in pbiowrite()