dev/digi/digi.c

218 	volatile struct board_chan *bc;
531 	bc = (volatile struct board_chan *)(ptr + CHANSTRUCT);
537 	for (i = 0; i < sc->numports; i++, bc++) {
542 		port->bc = bc;
557 			    (((bc->tseg - sc->mem_seg) << 4) & 0x1fff);
559 			    (((bc->rseg - sc->mem_seg) << 4) & 0x1fff);
560 			port->txwin = FEPWIN | ((bc->tseg - sc->mem_seg) >> 9);
561 			port->rxwin = FEPWIN | ((bc->rseg - sc->mem_seg) >> 9);
563 			port->txbuf = ptr + ((bc->tseg - sc->mem_seg) << 4);
564 			port->rxbuf = ptr + ((bc->rseg - sc->mem_seg) << 4);
568 			    (((bc->tseg - sc->mem_seg) << 4) % sc->win_size);
570 			    (((bc->rseg - sc->mem_seg) << 4) % sc->win_size);
572 			    (((bc->tseg - sc->mem_seg) << 4) / sc->win_size);
574 			    (((bc->rseg - sc->mem_seg) << 4) / sc->win_size);
576 		port->txbufsize = bc->tmax + 1;
577 		port->rxbufsize = bc->rmax + 1;
587 		bc->edelay = 100;
614 		mstat = port->bc->mstat;
666 	volatile struct board_chan *bc;
675 	bc = port->bc;
685 	bc->rout = bc->rin;	/* clear input queue */
686 	bc->idata = 1;
687 	bc->iempty = 1;
688 	bc->ilow = 1;
689 	bc->mint = port->cd | port->sc->csigs->ri;
690 	bc->tin = bc->tout;
728 	volatile struct board_chan *bc;
733 	bc = port->bc;
737 	bc->idata = 0;
738 	bc->iempty = 0;
739 	bc->ilow = 0;
740 	bc->mint = 0;
742 	    (!tp->t_actout && !(bc->mstat & port->cd) &&
1090 	volatile struct board_chan *bc;
1184 		bc = port->bc;
1191 			bc->rout = bc->rin;
1192 			bc->idata = 0;
1193 			bc->iempty = 0;
1194 			bc->ilow = 0;
1195 			bc->mint = 0;
1207 			head = bc->rin;
1208 			tail = bc->rout;
1212 				bc->rout = head;
1239 				bc->rout = tail;
1240 				head = bc->rin;
1245 			if (bc->orun) {
1250 				bc->orun = 0;
1259 				bc->idata = 1;
1313 	volatile struct board_chan *bc;
1321 	bc = port->bc;
1338 		bc->idata = 1;
1350 	head = bc->tin;
1352 		tail = bc->tout;
1372 		bc->tin = head;
1373 		bc->iempty = 1;
1374 		bc->ilow = 1;
1377 	tail = bc->tout;