522 		register struct mtty_port *mtty;  local
525 			mtty = &sc->ms_mtty->ms_port[port];
526 			cd = mtty->mp_cd1400;
536 			ptr = mtty->mp_rput;
540 				if( ptr == mtty->mp_rend ) ptr = mtty->mp_rbuf;
541 				if( ptr == mtty->mp_rget ) {
542 					if( ptr == mtty->mp_rbuf ) ptr = mtty->mp_rend;
544 					SET(mtty->mp_flags, MTTYF_RING_OVERFLOW);
548 			mtty->mp_rput = ptr;
560 	struct mtty_port *mtty;  local
567 		mtty = &sc->ms_mtty->ms_port[port];
568 		cd = mtty->mp_cd1400;
572 		if( mtty->mp_carrier != carrier ) {
573 			SET(mtty->mp_flags, MTTYF_CARRIER_CHANGED);
574 			mtty->mp_carrier = carrier;
612 		struct mtty_port *mtty;  local
615 			mtty = &sc->ms_mtty->ms_port[port];
616 			cd = mtty->mp_cd1400;
617 			tp = mtty->mp_tty;
619 			if( !ISSET(mtty->mp_flags, MTTYF_STOP) ) {
623 				if( ISSET(mtty->mp_flags, MTTYF_SET_BREAK) ) {
627 					CLR(mtty->mp_flags, MTTYF_SET_BREAK);
631 				if( ISSET(mtty->mp_flags, MTTYF_CLR_BREAK) ) {
634 					CLR(mtty->mp_flags, MTTYF_CLR_BREAK);
642 				while( mtty->mp_txc > 0 && count < CD1400_TX_FIFO_SIZE - 1 ) {
645 					ch = *mtty->mp_txp;
647 					mtty->mp_txc--;
648 					mtty->mp_txp++;
664 			if( mtty->mp_txc == 0 || ISSET(mtty->mp_flags, MTTYF_STOP) ) {
670 				CLR(mtty->mp_flags, MTTYF_STOP);
672 				SET(mtty->mp_flags, MTTYF_DONE);
710 struct mtty_softc *mtty = sc->ms_mtty;  local
719 	if( mtty ) {
720 		for( port = 0 ; port < mtty->ms_nports ; port++ ) {
721 		struct mtty_port *mp = &mtty->ms_port[port];
743 					log(LOG_WARNING, "%s%x: fifo overflow\n", mtty->ms_dev.dv_xname, port);
755 				dprintf(("%s%x: cd %s\n", mtty->ms_dev.dv_xname, port, mp->mp_carrier ? "on" : "off"));
761 				log(LOG_WARNING, "%s%x: ring buffer overflow\n", mtty->ms_dev.dv_xname, port);