74 static void	fepcmd(struct digi_p *port, int cmd, int op, int ncmds);
84 #define	fepcmd_b(port, cmd, op1, op2, ncmds) \
85 	fepcmd(port, cmd, (op2 << 8) | op1, ncmds)
217 	struct digi_p *port;
250 		 * another port module.  For now, we just re-initialise
273 		outb(sc->port, FEPCLR);
292 			outb(sc->port, FEPRST | FEPMEM);
294 		for (i = 0; ((sc->pcibus ? PCIPORT : inb(sc->port)) &
343 		outb(sc->port, FEPCLR);
346 		outb(sc->port, FEPCLR | FEPMEM);
350 	for (i = 0; ((sc->pcibus ? PCIPORT : inb(sc->port)) & FEPMASK)
399 		outb(sc->port, FEPREQ | FEPMEM);
400 		outb(sc->port, FEPCLR | FEPMEM);
425 		outb(sc->port, FEPREQ);
426 		outb(sc->port, FEPCLR);
461 		if (sc->port)
462 			outb(sc->port, 0);		/* XXX necessary ? */
481 		outb(sc->port, FEPREQ | FEPMEM); /* send interrupt to BIOS */
482 		outb(sc->port, FEPCLR | FEPMEM);
524 	 * XXX Should read port 0xc90 for an array of 2byte values, 1 per
525 	 * port.  If the value is 0, the port is broken....
530 	/* We should now init per-port structures */
538 		port = sc->ports + i;
539 		port->pnum = i;
540 		port->sc = sc;
541 		port->status = ENABLED;
542 		port->bc = bc;
543 		tp = port->tp = ttyalloc();
553 		tp->t_sc = port;
556 			port->txbuf = ptr +
558 			port->rxbuf = ptr +
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);
565 			port->txwin = port->rxwin = 0;
567 			port->txbuf = ptr +
569 			port->rxbuf = ptr +
571 			port->txwin = FEPWIN |
573 			port->rxwin = FEPWIN |
576 		port->txbufsize = bc->tmax + 1;
577 		port->rxbufsize = bc->rmax + 1;
579 		lowwater = port->txbufsize >> 2;
583 		fepcmd_w(port, STXLWATER, lowwater, 10);
584 		fepcmd_w(port, SRXLWATER, port->rxbufsize >> 2, 10);
585 		fepcmd_w(port, SRXHWATER, (3 * port->rxbufsize) >> 2, 10);
590 		port->send_ring = 1;	/* Default action on signal RI */
606 	struct digi_p *port;
609 	port = tp->t_sc;
610 	sc = port->sc;
613 		port->sc->setwin(port->sc, 0);
614 		mstat = port->bc->mstat;
615 		port->sc->hidewin(port->sc);
616 		if (mstat & port->sc->csigs->rts)
618 		if (mstat & port->cd)
620 		if (mstat & port->dsr)
622 		if (mstat & port->sc->csigs->cts)
624 		if (mstat & port->sc->csigs->ri)
626 		if (mstat & port->sc->csigs->dtr)
635 		bitand |= port->sc->csigs->dtr;
637 		bitand |= port->sc->csigs->rts;
639 		bitor |= port->sc->csigs->dtr;
641 		bitor |= port->sc->csigs->rts;
642 	fepcmd_b(port, SETMODEM, bitor, ~bitand, 0);
665 	struct digi_p *port;
668 	port = tp->t_sc;
669 	sc = port->sc;
675 	bc = port->bc;
689 	bc->mint = port->cd | port->sc->csigs->ri;
691 	if (port->ialtpin) {
692 		port->cd = sc->csigs->dsr;
693 		port->dsr = sc->csigs->cd;
695 		port->cd = sc->csigs->cd;
696 		port->dsr = sc->csigs->dsr;
718 	struct digi_p *port = chan;
720 	port->status &= ~DIGI_DTR_OFF;
721 	wakeup(&port->tp->t_dtr_wait);
722 	port->tp->t_wopeners--;
729 	struct digi_p *port;
732 	port = tp->t_sc;
733 	bc = port->bc;
736 	port->sc->setwin(port->sc, 0);
742 	    (!tp->t_actout && !(bc->mstat & port->cd) &&
749 			timeout(&digidtrwakeup, port, tp->t_dtr_wait);
750 			port->status |= DIGI_DTR_OFF;
836 	struct digi_p *port;
839 	port = dev->si_drv1;
840 	sc = port->sc;
845 			*(int *)data = port->ialtpin;
847 			*(int *)data = port->laltpin;
853 			if (!port->laltpin) {
854 				port->ialtpin = !!*(int *)data;
856 				    "port%d: initial ALTPIN %s\n", port->pnum,
857 				    port->ialtpin ? "set" : "cleared"));
860 			port->laltpin = !!*(int *)data;
862 			    "port%d: ALTPIN %slocked\n",
863 			    port->pnum, port->laltpin ? "" : "un"));
915 	struct digi_p *port;
921 	port = tp->t_sc;
922 	sc = port->sc;
926 	if (!(port->status & ENABLED))
931 		*(int *)data = !!(port->dsr == sc->csigs->cd);
935 		if (!port->laltpin) {
938 				    "port%d: ALTPIN set\n", port->pnum));
939 				port->cd = sc->csigs->dsr;
940 				port->dsr = sc->csigs->cd;
943 				    "port%d: ALTPIN cleared\n", port->pnum));
944 				port->cd = sc->csigs->cd;
945 				port->dsr = sc->csigs->dsr;
957 		port->send_ring = (u_char)*(int *)data;
968 	struct digi_p *port;
970 	port = tp->t_sc;
977 		fepcmd_w(port, SENDBREAK, 400, 10);
984 	struct digi_p *port;
991 	port = tp->t_sc;
992 	sc = port->sc;
993 	DLOG(DIGIDB_SET, (sc->dev, "port%d: setting parameters\n", port->pnum));
1009 		DLOG(DIGIDB_SET, (sc->dev, "port%d: hangup\n", port->pnum));
1010 		digimodem(port->tp, 0, SER_DTR | SER_RTS);
1012 		digimodem(port->tp, SER_DTR | SER_RTS, 0);
1014 		DLOG(DIGIDB_SET, (sc->dev, "port%d: CBAUD = %d\n", port->pnum,
1038 		DLOG(DIGIDB_SET, (sc->dev, "port%d: CFLAG = 0x%x\n", port->pnum,
1040 		fepcmd_w(port, SETCFLAGS, (unsigned)cflag, 0);
1045 	if (port->c_iflag & IXON)
1047 	if (port->c_iflag & IXANY)
1049 	if (port->c_iflag & IXOFF)
1052 	DLOG(DIGIDB_SET, (sc->dev, "port%d: set iflag = 0x%x\n", port->pnum, iflag));
1053 	fepcmd_w(port, SETIFLAGS, (unsigned)iflag, 0);
1063 		hflow |= port->dsr;
1065 		hflow |= port->cd;
1067 	DLOG(DIGIDB_SET, (sc->dev, "port%d: set hflow = 0x%x\n", port->pnum, hflow));
1068 	fepcmd_w(port, SETHFLOW, 0xff00 | (unsigned)hflow, 0);
1070 	DLOG(DIGIDB_SET, (sc->dev, "port%d: set startc(0x%x), stopc(0x%x)\n",
1071 	    port->pnum, t->c_cc[VSTART], t->c_cc[VSTOP]));
1072 	fepcmd_b(port, SONOFFC, t->c_cc[VSTART], t->c_cc[VSTOP], 0);
1086 	struct digi_p *port;
1178 			log(LOG_ERR, "digi%d: port %d: got event"
1179 			    " on nonexisting port\n", sc->res.unit,
1183 		port = &sc->ports[event.pnum];
1184 		bc = port->bc;
1185 		tp = port->tp;
1189 			    "port %d: event 0x%x on closed port\n",
1199 			log(LOG_ERR, "digi%d: port%d: ? event 0x%x mstat 0x%x"
1204 			DLOG(DIGIDB_IRQ, (sc->dev, "port %d: DATA_IND\n",
1206 			wrapmask = port->rxbufsize - 1;
1219 				    "port %d: p rx head = %d tail = %d\n",
1222 				sc->towin(sc, port->rxwin);
1225 					size = b_to_q((char *)port->rxbuf +
1230 					ttyld_rint(tp, port->rxbuf[tail]);
1231 					sc->towin(sc, port->rxwin);
1246 				CE_RECORD(port, CE_OVERRUN);
1247 				log(LOG_ERR, "digi%d: port%d: %s\n",
1255 				port->status |= PAUSE_RX;
1256 				DLOG(DIGIDB_RX, (sc->dev, "port %d: pause RX\n",
1264 			DLOG(DIGIDB_MODEM, (sc->dev, "port %d: MODEMCHG_IND\n",
1267 			if ((event.mstat ^ event.lstat) & port->cd) {
1269 				ttyld_modem(tp, event.mstat & port->cd);
1275 				DLOG(DIGIDB_RI, (sc->dev, "port %d: RING\n",
1277 				if (port->send_ring) {
1288 			DLOG(DIGIDB_MODEM, (sc->dev, "port %d: BREAK_IND\n",
1293 			DLOG(DIGIDB_IRQ, (sc->dev, "port %d:%s%s\n",
1311 	struct digi_p *port;
1319 	port = tp->t_sc;
1320 	sc = port->sc;
1321 	bc = port->bc;
1323 	wmask = port->txbufsize - 1;
1326 	port->lcc = tp->t_outq.c_cc;
1329 		if (port->status & PAUSE_RX) {
1330 			DLOG(DIGIDB_RX, (sc->dev, "port %d: resume RX\n",
1331 			    port->pnum));
1337 		port->status &= ~PAUSE_RX;
1340 	if (!(tp->t_state & TS_TTSTOP) && port->status & PAUSE_TX) {
1341 		DLOG(DIGIDB_TX, (sc->dev, "port %d: resume TX\n", port->pnum));
1342 		port->status &= ~PAUSE_TX;
1343 		fepcmd_w(port, RESUMETX, 0, 10);
1353 		DLOG(DIGIDB_INT, (sc->dev, "port%d: s tx head = %d tail = %d\n",
1354 		    port->pnum, head, tail));
1359 			size = port->txbufsize - head;
1366 		sc->towin(sc, port->txwin);
1367 		ocount = q_to_b(&tp->t_outq, port->txbuf + head, size);
1376 	port->lostcc = tp->t_outq.c_cc;
1379 		size = port->txbufsize - tail + head;
1383 	port->lbuf = size;
1384 	DLOG(DIGIDB_INT, (sc->dev, "port%d: s total cnt = %d\n", port->pnum, totcnt));
1393 	struct digi_p *port;
1395 	port = tp->t_sc;
1396 	sc = port->sc;
1398 	DLOG(DIGIDB_TX, (sc->dev, "port %d: pause TX\n", port->pnum));
1399 	port->status |= PAUSE_TX;
1400 	fepcmd_w(port, PAUSETX, 0, 10);
1404 fepcmd(struct digi_p *port, int cmd, int op1, int ncmds)
1410 	mem = port->sc->memcmd;
1412 	port->sc->setwin(port->sc, 0);
1414 	head = port->sc->gdata->cin;
1416 	mem[head + 1] = port->pnum;
1419 	head = (head + 4) & port->sc->gdata->cmax;
1420 	port->sc->gdata->cin = head;
1423 		head = port->sc->gdata->cin;
1424 		tail = port->sc->gdata->cout;
1425 		n = (head - tail) & port->sc->gdata->cmax;
1431 		log(LOG_ERR, "digi%d: port%d: timeout on FEP command\n",
1432 		    port->sc->res.unit, port->pnum);
1469 	struct digi_p *port;
1471 	port = &sc->ports[0];
1472 	for (i = 0; i < sc->numports; i++, port++)
1473 		if (port->tp->t_state & TS_ISOPEN) {
1474 			DLOG(DIGIDB_INIT, (sc->dev, "port%d: busy\n", i));
1476 		} else if (port->tp->t_wopeners || port->opencnt) {
1477 			DLOG(DIGIDB_INIT, (sc->dev, "port%d: blocked in open\n",

Indexes created Sat Sep 07 21:54:46 MDT 2024