hp300/dev/dcm.c

200  * Conversion from "HP DCE" to almost-normal DCE: on the 638 8-port mux,
234  * Note that 8-port boards appear as 2 4-port boards at consecutive
248 	char	sc_mcndlast[NDCMPORT];	/* XXX last modem status for port */
372 		 * Note that we always assume port 1 on the board.
448 		aprint_normal(": console on port %d\n", DCMCONSPORT);
456 			kgdb_dev = NODEV; /* can't debug over console port */
466 				aprint_normal_dev(self, "port %d: ",
471 				    "port %d: kgdb enabled\n",
486 	int unit, brd, port;
491 	port = DCMPORT(unit);
500 	if (sc->sc_tty[port] == NULL) {
501 		tp = sc->sc_tty[port] = tty_alloc();
504 		tp = sc->sc_tty[port];
521 		dcminit(sc->sc_dcm, port, dcmdefaultrate);
538 		(void) dcmmctl(dev, mbits, DMSET);	/* enable port */
541 		if ((sc->sc_softCAR & (1 << port)) ||
550 		printf("%s: dcmopen port %d softcarr %c\n",
551 		    device_xname(sc->sc_dev), port,
561 		printf("%s port %d: dcmopen: st %x fl %x\n",
562 		    device_xname(sc->sc_dev), port, tp->t_state, tp->t_flags);
574 	int s, unit, board, port;
580 	port = DCMPORT(unit);
583 	tp = sc->sc_tty[port];
594 		printf("%s port %d: dcmclose: st %x fl %x\n",
595 		    device_xname(sc->sc_dev), port, tp->t_state, tp->t_flags);
602 	sc->sc_tty[port] == NULL;
610 	int unit, board, port;
616 	port = DCMPORT(unit);
619 	tp = sc->sc_tty[port];
627 	int unit, board, port;
633 	port = DCMPORT(unit);
636 	tp = sc->sc_tty[port];
644 	int unit, board, port;
650 	port = DCMPORT(unit);
653 	tp = sc->sc_tty[port];
661 	int unit, board, port;
666 	port = DCMPORT(unit);
670 	return sc->sc_tty[port];
782 dcmpint(struct dcm_softc *sc, int port, int code)
786 		dcmreadbuf(sc, port);
788 		dcmxint(sc, port);
794 	int port;
796 	for (port = 0; port < NDCMPORT; port++)
797 		dcmreadbuf(sc, port);
801 dcmreadbuf(struct dcm_softc *sc, int port)
804 	struct dcmpreg *pp = dcm_preg(dcm, port);
815 	tp = sc->sc_tty[port];
827 		    dcm->dcm_rfifos[3-port][head>>1].data_char == FRAME_START) {
838 	fifo = &dcm->dcm_rfifos[3-port][head>>1];
851 		fifo = head ? fifo+1 : &dcm->dcm_rfifos[3-port][0];
856 			printf("%s port %d: "
858 			    device_xname(sc->sc_dev), port,
868 				printf("%s port %d: "
870 				    device_xname(sc->sc_dev), port,
879 				    "%s port %d: silo overflow\n",
880 				    device_xname(sc->sc_dev), port);
883 				    "%s port %d: uart overflow\n",
884 				    device_xname(sc->sc_dev), port);
900 dcmxint(struct dcm_softc *sc, int port)
904 	tp = sc->sc_tty[port];
915 dcmmint(struct dcm_softc *sc, int port, int mcnd)
923 		printf("%s port %d: dcmmint: mcnd %x mcndlast %x\n",
924 		    device_xname(sc->sc_dev), port, mcnd,
925 		    sc->sc_mcndlast[port]);
927 	delta = mcnd ^ sc->sc_mcndlast[port];
928 	sc->sc_mcndlast[port] = mcnd;
929 	tp = sc->sc_tty[port];
944 		else if ((sc->sc_softCAR & (1 << port)) == 0 &&
946 			sc->sc_modem[port]->mdmout = MO_OFF;
948 			dcm->dcm_modemchng |= (1 << port);
962 	int board, port, unit = DCMUNIT(dev);
965 	port = DCMPORT(unit);
970 	tp = sc->sc_tty[port];
974 		printf("%s port %d: dcmioctl: cmd %lx data %x flag %x\n",
975 		    device_xname(sc->sc_dev), port, cmd, *(int *)data, flag);
992 		while (dcm->dcm_thead[port].ptr != dcm->dcm_ttail[port].ptr)
995 		dcm->dcm_cmdtab[port].dcm_data |= CT_BRK;
996 		dcm->dcm_cr |= (1 << port);	/* start break */
1003 		dcm->dcm_cmdtab[port].dcm_data |= CT_BRK;
1004 		dcm->dcm_cr |= (1 << port);	/* end break */
1035 		if ((sc->sc_softCAR & (1 << port)))
1056 		    (port == DCMCONSPORT)))
1057 			sc->sc_softCAR |= (1 << port);
1076 	int unit, board, port, mode, cflag = t->c_cflag;
1081 	port = DCMPORT(unit);
1121 		printf("%s port %d: "
1123 		    device_xname(sc->sc_dev), port, cflag, mode, tp->t_ospeed,
1130 	while (dcm->dcm_thead[port].ptr != dcm->dcm_ttail[port].ptr)
1135 	dcm->dcm_data[port].dcm_baud = ospeed;
1136 	dcm->dcm_data[port].dcm_conf = mode;
1138 	dcm->dcm_cmdtab[port].dcm_data |= CT_CON;
1139 	dcm->dcm_cr |= (1 << port);
1158 	int unit, board, port, nch;
1168 	port = DCMPORT(unit);
1179 		printf("%s port %d: dcmstart: state %x flags %x outcc %d\n",
1180 		    device_xname(sc->sc_dev), port, tp->t_state, tp->t_flags,
1192 	pp = dcm_preg(dcm, port);
1198 	fifo = &dcm->dcm_tfifos[3-port][tail];
1221 			dcm->dcm_cmdtab[port].dcm_data |= CT_TX;
1222 			dcm->dcm_cr |= (1 << port);
1226 		fifo = tail ? fifo+1 : &dcm->dcm_tfifos[3-port][0];
1248 		dcm->dcm_cmdtab[port].dcm_data |= CT_TX;
1249 		dcm->dcm_cr |= (1 << port);
1254 		printf("%s port %d: dcmstart: head %x tail %x outqcc %d\n",
1255 		    device_xname(sc->sc_dev), port, head, tail,
1294 	int s, unit, brd, port, hit = 0;
1298 	port = DCMPORT(unit);
1305 		printf("%s port %d: dcmmctl: bits 0x%x how %x\n",
1306 		    device_xname(sc->sc_dev), port, bits, how);
1313 		sc->sc_modem[port]->mdmout = bits;
1318 		sc->sc_modem[port]->mdmout |= bits;
1323 		sc->sc_modem[port]->mdmout &= ~bits;
1328 		bits = sc->sc_modem[port]->mdmin;
1379 	 * chars for any port on the board.
1412 dcminit(struct dcmdevice *dcm, int port, int rate)
1423 	while (dcm->dcm_thead[port].ptr != dcm->dcm_ttail[port].ptr)
1429 	dcm->dcm_data[port].dcm_baud = ttspeedtab(rate, dcmspeedtab);
1430 	dcm->dcm_data[port].dcm_conf = mode;
1432 	dcm->dcm_cmdtab[port].dcm_data |= CT_CON;
1433 	dcm->dcm_cr |= (1 << port);
1578 	 * interrupt through in case some other port on the board was
1626 	 * interrupt through in case some other port on the board