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sio.c (18095) sio.c (18208)
1/*-
2 * Copyright (c) 1991 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 17 unchanged lines hidden (view full) ---

26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)com.c 7.5 (Berkeley) 5/16/91
1/*-
2 * Copyright (c) 1991 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

--- 17 unchanged lines hidden (view full) ---

26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)com.c 7.5 (Berkeley) 5/16/91
34 * $Id: sio.c,v 1.4 1996/09/03 10:23:59 asami Exp $
34 * $Id: sio.c,v 1.5 1996/09/07 02:14:23 asami Exp $
35 */
36
37#include "opt_comconsole.h"
38#include "opt_ddb.h"
39#include "opt_sio.h"
40#include "sio.h"
41
42/*

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125#include <sys/proc.h>
126#include <sys/conf.h>
127#include <sys/dkstat.h>
128#include <sys/file.h>
129#include <sys/uio.h>
130#include <sys/kernel.h>
131#include <sys/malloc.h>
132#include <sys/syslog.h>
35 */
36
37#include "opt_comconsole.h"
38#include "opt_ddb.h"
39#include "opt_sio.h"
40#include "sio.h"
41
42/*

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125#include <sys/proc.h>
126#include <sys/conf.h>
127#include <sys/dkstat.h>
128#include <sys/file.h>
129#include <sys/uio.h>
130#include <sys/kernel.h>
131#include <sys/malloc.h>
132#include <sys/syslog.h>
133#include <sys/devconf.h>
134#ifdef DEVFS
135#include <sys/devfsext.h>
136#endif
137
138#include <machine/clock.h>
139
140#ifdef PC98
141#include <pc98/pc98/pc98.h>

--- 239 unchanged lines hidden (view full) ---

381#endif
382static int sioattach __P((struct isa_device *dev));
383static timeout_t siodtrwakeup;
384static void comhardclose __P((struct com_s *com));
385static void siointr1 __P((struct com_s *com));
386static int commctl __P((struct com_s *com, int bits, int how));
387static int comparam __P((struct tty *tp, struct termios *t));
388static int sioprobe __P((struct isa_device *dev));
133#ifdef DEVFS
134#include <sys/devfsext.h>
135#endif
136
137#include <machine/clock.h>
138
139#ifdef PC98
140#include <pc98/pc98/pc98.h>

--- 239 unchanged lines hidden (view full) ---

380#endif
381static int sioattach __P((struct isa_device *dev));
382static timeout_t siodtrwakeup;
383static void comhardclose __P((struct com_s *com));
384static void siointr1 __P((struct com_s *com));
385static int commctl __P((struct com_s *com, int bits, int how));
386static int comparam __P((struct tty *tp, struct termios *t));
387static int sioprobe __P((struct isa_device *dev));
389static void sioregisterdev __P((struct isa_device *id));
390static void siosettimeout __P((void));
391static void comstart __P((struct tty *tp));
392static timeout_t comwakeup;
393static int tiocm_xxx2mcr __P((int tiocm_xxx));
394static void disc_optim __P((struct tty *tp, struct termios *t,
395 struct com_s *com));
396
397#ifdef DSI_SOFT_MODEM

--- 192 unchanged lines hidden (view full) ---

590 { 9600, COMBRD(9600) },
591 { 19200, COMBRD(19200) },
592 { 38400, COMBRD(38400) },
593 { 57600, COMBRD(57600) },
594 { 115200, COMBRD(115200) },
595 { -1, -1 }
596};
597
388static void siosettimeout __P((void));
389static void comstart __P((struct tty *tp));
390static timeout_t comwakeup;
391static int tiocm_xxx2mcr __P((int tiocm_xxx));
392static void disc_optim __P((struct tty *tp, struct termios *t,
393 struct com_s *com));
394
395#ifdef DSI_SOFT_MODEM

--- 192 unchanged lines hidden (view full) ---

588 { 9600, COMBRD(9600) },
589 { 19200, COMBRD(19200) },
590 { 38400, COMBRD(38400) },
591 { 57600, COMBRD(57600) },
592 { 115200, COMBRD(115200) },
593 { -1, -1 }
594};
595
598static struct kern_devconf kdc_sio[NSIO] = { {
599 0, 0, 0, /* filled in by dev_attach */
600 driver_name, 0, { MDDT_ISA, 0, "tty" },
601 isa_generic_externalize, 0, 0, ISA_EXTERNALLEN,
602 &kdc_isa0, /* parent */
603 0, /* parentdata */
604 DC_UNCONFIGURED, /* state */
605 "Serial port",
606 DC_CLS_SERIAL /* class */
607} };
608
609#ifdef COM_ESP
610/* XXX configure this properly. */
611static Port_t likely_com_ports[] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, };
612static Port_t likely_esp_ports[] = { 0x140, 0x180, 0x280, 0 };
613#endif
614
615#if NCRD > 0
616/*

--- 78 unchanged lines hidden (view full) ---

695{
696 struct com_s *com;
697
698 com = com_addr(dp->isahd.id_unit);
699 if (!com->iobase) {
700 printf("sio%d already unloaded!\n",dp->isahd.id_unit);
701 return;
702 }
596#ifdef COM_ESP
597/* XXX configure this properly. */
598static Port_t likely_com_ports[] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, };
599static Port_t likely_esp_ports[] = { 0x140, 0x180, 0x280, 0 };
600#endif
601
602#if NCRD > 0
603/*

--- 78 unchanged lines hidden (view full) ---

682{
683 struct com_s *com;
684
685 com = com_addr(dp->isahd.id_unit);
686 if (!com->iobase) {
687 printf("sio%d already unloaded!\n",dp->isahd.id_unit);
688 return;
689 }
703 kdc_sio[com->unit].kdc_state = DC_UNCONFIGURED;
704 kdc_sio[com->unit].kdc_description = "Serial port";
705 if (com->tp && (com->tp->t_state & TS_ISOPEN)) {
706 com->gone = 1;
707 printf("sio%d: unload\n", dp->isahd.id_unit);
708 com->tp->t_gen++;
709 ttyclose(com->tp);
710 ttwakeup(com->tp);
711 ttwwakeup(com->tp);
712 } else {

--- 14 unchanged lines hidden (view full) ---

727 struct com_s *com;
728 com = com_addr(dp->isahd.id_unit);
729 if (com && !com_addr(dp->isahd.id_unit)->gone)
730 siointr1(com_addr(dp->isahd.id_unit));
731 return(1);
732}
733#endif /* NCRD > 0 */
734
690 if (com->tp && (com->tp->t_state & TS_ISOPEN)) {
691 com->gone = 1;
692 printf("sio%d: unload\n", dp->isahd.id_unit);
693 com->tp->t_gen++;
694 ttyclose(com->tp);
695 ttwakeup(com->tp);
696 ttwwakeup(com->tp);
697 } else {

--- 14 unchanged lines hidden (view full) ---

712 struct com_s *com;
713 com = com_addr(dp->isahd.id_unit);
714 if (com && !com_addr(dp->isahd.id_unit)->gone)
715 siointr1(com_addr(dp->isahd.id_unit));
716 return(1);
717}
718#endif /* NCRD > 0 */
719
735static void
736sioregisterdev(id)
737 struct isa_device *id;
738{
739 int unit;
740
741 unit = id->id_unit;
742/*
743 * If already registered, don't try to re-register.
744 */
745 if (kdc_sio[unit].kdc_isa)
746 return;
747 if (unit != 0)
748 kdc_sio[unit] = kdc_sio[0];
749 kdc_sio[unit].kdc_state = DC_UNCONFIGURED;
750 kdc_sio[unit].kdc_description = "Serial port";
751 kdc_sio[unit].kdc_unit = unit;
752 kdc_sio[unit].kdc_isa = id;
753 dev_attach(&kdc_sio[unit]);
754}
755
756static int
757sioprobe(dev)
758 struct isa_device *dev;
759{
760 static bool_t already_init;
761 bool_t failures[10];
762 int fn;
763 struct isa_device *idev;

--- 5 unchanged lines hidden (view full) ---

769 int irqout=0;
770 int ret = 0;
771 int tmp;
772 struct siodev iod;
773#else
774 struct isa_device *xdev;
775#endif
776
720static int
721sioprobe(dev)
722 struct isa_device *dev;
723{
724 static bool_t already_init;
725 bool_t failures[10];
726 int fn;
727 struct isa_device *idev;

--- 5 unchanged lines hidden (view full) ---

733 int irqout=0;
734 int ret = 0;
735 int tmp;
736 struct siodev iod;
737#else
738 struct isa_device *xdev;
739#endif
740
777 sioregisterdev(dev);
778
779 if (!already_init) {
780 /*
781 * Turn off MCR_IENABLE for all likely serial ports. An unused
782 * port with its MCR_IENABLE gate open will inhibit interrupts
783 * from any used port that shares the interrupt vector.
784 * XXX the gate enable is elsewhere for some multiports.
785 */
786 for (xdev = isa_devtab_tty; xdev->id_driver != NULL; xdev++)

--- 388 unchanged lines hidden (view full) ---

1175 com->it_out = com->it_in;
1176
1177 /* attempt to determine UART type */
1178 printf("sio%d: type", unit);
1179
1180#ifdef DSI_SOFT_MODEM
1181 if((inb(iobase+7) ^ inb(iobase+7)) & 0x80) {
1182 printf(" Digicom Systems, Inc. SoftModem");
741 if (!already_init) {
742 /*
743 * Turn off MCR_IENABLE for all likely serial ports. An unused
744 * port with its MCR_IENABLE gate open will inhibit interrupts
745 * from any used port that shares the interrupt vector.
746 * XXX the gate enable is elsewhere for some multiports.
747 */
748 for (xdev = isa_devtab_tty; xdev->id_driver != NULL; xdev++)

--- 388 unchanged lines hidden (view full) ---

1137 com->it_out = com->it_in;
1138
1139 /* attempt to determine UART type */
1140 printf("sio%d: type", unit);
1141
1142#ifdef DSI_SOFT_MODEM
1143 if((inb(iobase+7) ^ inb(iobase+7)) & 0x80) {
1144 printf(" Digicom Systems, Inc. SoftModem");
1183 kdc_sio[unit].kdc_description =
1184 "Serial port: Digicom Systems SoftModem";
1185 goto determined_type;
1186 }
1187#endif /* DSI_SOFT_MODEM */
1188
1189#ifndef PC98
1190#ifdef COM_MULTIPORT
1191 if (!COM_ISMULTIPORT(isdp))
1192#endif

--- 5 unchanged lines hidden (view full) ---

1198 scr = inb(iobase + com_scr);
1199 outb(iobase + com_scr, 0xa5);
1200 scr1 = inb(iobase + com_scr);
1201 outb(iobase + com_scr, 0x5a);
1202 scr2 = inb(iobase + com_scr);
1203 outb(iobase + com_scr, scr);
1204 if (scr1 != 0xa5 || scr2 != 0x5a) {
1205 printf(" 8250");
1145 goto determined_type;
1146 }
1147#endif /* DSI_SOFT_MODEM */
1148
1149#ifndef PC98
1150#ifdef COM_MULTIPORT
1151 if (!COM_ISMULTIPORT(isdp))
1152#endif

--- 5 unchanged lines hidden (view full) ---

1158 scr = inb(iobase + com_scr);
1159 outb(iobase + com_scr, 0xa5);
1160 scr1 = inb(iobase + com_scr);
1161 outb(iobase + com_scr, 0x5a);
1162 scr2 = inb(iobase + com_scr);
1163 outb(iobase + com_scr, scr);
1164 if (scr1 != 0xa5 || scr2 != 0x5a) {
1165 printf(" 8250");
1206 kdc_sio[unit].kdc_description =
1207 "Serial port: National 8250 or compatible";
1208 goto determined_type;
1209 }
1210 }
1211#endif /* !PC98 */
1212#ifdef PC98
1213 if(IS_8251(com->pc98_if_type)){
1214 com_int_TxRx_disable( com );
1215 com_cflag_and_speed_set( com, com->it_in.c_cflag,
1216 comdefaultrate );
1217 com_tiocm_bic( com, TIOCM_DTR|TIOCM_RTS|TIOCM_LE );
1218 com_send_break_off( com );
1219 switch(com->pc98_if_type){
1220 case COM_IF_INTERNAL:
1221 printf(" 8251 (internal)");
1166 goto determined_type;
1167 }
1168 }
1169#endif /* !PC98 */
1170#ifdef PC98
1171 if(IS_8251(com->pc98_if_type)){
1172 com_int_TxRx_disable( com );
1173 com_cflag_and_speed_set( com, com->it_in.c_cflag,
1174 comdefaultrate );
1175 com_tiocm_bic( com, TIOCM_DTR|TIOCM_RTS|TIOCM_LE );
1176 com_send_break_off( com );
1177 switch(com->pc98_if_type){
1178 case COM_IF_INTERNAL:
1179 printf(" 8251 (internal)");
1222 kdc_sio[unit].kdc_description =
1223 "Serial port: PC-9801 internal";
1224 break;
1225#ifdef COM_IF_PC9861K
1226 case COM_IF_PC9861K:
1227 printf(" 8251 (PC9861K)");
1180 break;
1181#ifdef COM_IF_PC9861K
1182 case COM_IF_PC9861K:
1183 printf(" 8251 (PC9861K)");
1228 kdc_sio[unit].kdc_description =
1229 "Serial port: PC-9861K";
1230 break;
1231#endif
1232#ifdef COM_IF_PIO9032B
1233 case COM_IF_PIO9032B:
1234 printf(" 8251 (PIO9032B)");
1184 break;
1185#endif
1186#ifdef COM_IF_PIO9032B
1187 case COM_IF_PIO9032B:
1188 printf(" 8251 (PIO9032B)");
1235 kdc_sio[unit].kdc_description =
1236 "Serial port: PIO9032B";
1237 break;
1238#endif
1239#ifdef COM_IF_B98_01
1240 case COM_IF_B98_01:
1241 printf(" 8251 (B98_01)");
1189 break;
1190#endif
1191#ifdef COM_IF_B98_01
1192 case COM_IF_B98_01:
1193 printf(" 8251 (B98_01)");
1242 kdc_sio[unit].kdc_description =
1243 "Serial port: B98_01";
1244 break;
1245#endif
1246 }
1247 } else {
1248#endif /* PC98 */
1249 outb(iobase + com_fifo, FIFO_ENABLE | FIFO_RX_HIGH);
1250 DELAY(100);
1251 switch (inb(com->int_id_port) & IIR_FIFO_MASK) {
1252 case FIFO_RX_LOW:
1253 printf(" 16450");
1194 break;
1195#endif
1196 }
1197 } else {
1198#endif /* PC98 */
1199 outb(iobase + com_fifo, FIFO_ENABLE | FIFO_RX_HIGH);
1200 DELAY(100);
1201 switch (inb(com->int_id_port) & IIR_FIFO_MASK) {
1202 case FIFO_RX_LOW:
1203 printf(" 16450");
1254 kdc_sio[unit].kdc_description =
1255 "Serial port: National 16450 or compatible";
1256 break;
1257 case FIFO_RX_MEDL:
1258 printf(" 16450?");
1204 break;
1205 case FIFO_RX_MEDL:
1206 printf(" 16450?");
1259 kdc_sio[unit].kdc_description =
1260 "Serial port: maybe National 16450";
1261 break;
1262 case FIFO_RX_MEDH:
1263 printf(" 16550?");
1207 break;
1208 case FIFO_RX_MEDH:
1209 printf(" 16550?");
1264 kdc_sio[unit].kdc_description =
1265 "Serial port: maybe National 16550";
1266 break;
1267 case FIFO_RX_HIGH:
1268 printf(" 16550A");
1269 if (COM_NOFIFO(isdp)) {
1270 printf(" fifo disabled");
1210 break;
1211 case FIFO_RX_HIGH:
1212 printf(" 16550A");
1213 if (COM_NOFIFO(isdp)) {
1214 printf(" fifo disabled");
1271 kdc_sio[unit].kdc_description =
1272 "Serial port: National 16550A, FIFO disabled";
1273 } else {
1274 com->hasfifo = TRUE;
1275 com->tx_fifo_size = 16;
1215 } else {
1216 com->hasfifo = TRUE;
1217 com->tx_fifo_size = 16;
1276 kdc_sio[unit].kdc_description =
1277 "Serial port: National 16550A or compatible";
1278#ifdef COM_ESP
1279 for (espp = likely_esp_ports; *espp != 0; espp++)
1280 if (espattach(isdp, com, *espp)) {
1281 com->tx_fifo_size = 1024;
1218#ifdef COM_ESP
1219 for (espp = likely_esp_ports; *espp != 0; espp++)
1220 if (espattach(isdp, com, *espp)) {
1221 com->tx_fifo_size = 1024;
1282 kdc_sio[unit].kdc_description =
1283 "Serial port: Hayes ESP";
1284 break;
1285 }
1286#endif
1287 }
1288#if 0
1289 /*
1290 * Check for the Startech ST16C650 chip.
1291 * it has a shadow register under the com_iir,

--- 8 unchanged lines hidden (view full) ---

1300 outb(iobase + com_cfcr, CFCR_8BITS);
1301 j = inb(iobase + com_iir);
1302 outb(iobase + com_iir, i);
1303 if (i != j) {
1304 printf(" 16550A");
1305 } else {
1306 com->tx_fifo_size = 32;
1307 printf(" 16650");
1222 break;
1223 }
1224#endif
1225 }
1226#if 0
1227 /*
1228 * Check for the Startech ST16C650 chip.
1229 * it has a shadow register under the com_iir,

--- 8 unchanged lines hidden (view full) ---

1238 outb(iobase + com_cfcr, CFCR_8BITS);
1239 j = inb(iobase + com_iir);
1240 outb(iobase + com_iir, i);
1241 if (i != j) {
1242 printf(" 16550A");
1243 } else {
1244 com->tx_fifo_size = 32;
1245 printf(" 16650");
1308 kdc_sio[unit].kdc_description =
1309 "Serial port: Startech 16C650 or similar";
1310 }
1311 if (!com->tx_fifo_size)
1312 printf(" fifo disabled");
1313 }
1314#endif
1315 break;
1316 }
1317#ifdef COM_ESP

--- 34 unchanged lines hidden (view full) ---

1352 COM_MPMASTER(isdp))->id_irq == 0;
1353 }
1354#endif /* COM_MULTIPORT */
1355#ifdef PC98
1356 }
1357#endif
1358 printf("\n");
1359
1246 }
1247 if (!com->tx_fifo_size)
1248 printf(" fifo disabled");
1249 }
1250#endif
1251 break;
1252 }
1253#ifdef COM_ESP

--- 34 unchanged lines hidden (view full) ---

1288 COM_MPMASTER(isdp))->id_irq == 0;
1289 }
1290#endif /* COM_MULTIPORT */
1291#ifdef PC98
1292 }
1293#endif
1294 printf("\n");
1295
1360 kdc_sio[unit].kdc_state = (unit == comconsole) ? DC_BUSY : DC_IDLE;
1361
1362 s = spltty();
1363 com_addr(unit) = com;
1364 splx(s);
1365
1366 dev = makedev(CDEV_MAJOR, 0);
1367 cdevsw_add(&dev, &sio_cdevsw, NULL);
1368#ifdef DEVFS
1369 /* devsw, minor, type, uid, gid, perm, fmt, ... */

--- 55 unchanged lines hidden (view full) ---

1425open_top:
1426 while (com->state & CS_DTR_OFF) {
1427 error = tsleep(&com->dtr_wait, TTIPRI | PCATCH, "siodtr", 0);
1428 if (com_addr(unit) == NULL)
1429 return (ENXIO);
1430 if (error != 0 || com->gone)
1431 goto out;
1432 }
1296 s = spltty();
1297 com_addr(unit) = com;
1298 splx(s);
1299
1300 dev = makedev(CDEV_MAJOR, 0);
1301 cdevsw_add(&dev, &sio_cdevsw, NULL);
1302#ifdef DEVFS
1303 /* devsw, minor, type, uid, gid, perm, fmt, ... */

--- 55 unchanged lines hidden (view full) ---

1359open_top:
1360 while (com->state & CS_DTR_OFF) {
1361 error = tsleep(&com->dtr_wait, TTIPRI | PCATCH, "siodtr", 0);
1362 if (com_addr(unit) == NULL)
1363 return (ENXIO);
1364 if (error != 0 || com->gone)
1365 goto out;
1366 }
1433 kdc_sio[unit].kdc_state = DC_BUSY;
1434 if (tp->t_state & TS_ISOPEN) {
1435 /*
1436 * The device is open, so everything has been initialized.
1437 * Handle conflicts.
1438 */
1439 if (mynor & CALLOUT_MASK) {
1440 if (!com->active_out) {
1441 error = EBUSY;

--- 262 unchanged lines hidden (view full) ---

1704 * reboots. Some BIOSes fail to detect 16550s when the
1705 * fifos are enabled.
1706 */
1707 outb(iobase + com_fifo, 0);
1708 }
1709 com->active_out = FALSE;
1710 wakeup(&com->active_out);
1711 wakeup(TSA_CARR_ON(tp)); /* restart any wopeners */
1367 if (tp->t_state & TS_ISOPEN) {
1368 /*
1369 * The device is open, so everything has been initialized.
1370 * Handle conflicts.
1371 */
1372 if (mynor & CALLOUT_MASK) {
1373 if (!com->active_out) {
1374 error = EBUSY;

--- 262 unchanged lines hidden (view full) ---

1637 * reboots. Some BIOSes fail to detect 16550s when the
1638 * fifos are enabled.
1639 */
1640 outb(iobase + com_fifo, 0);
1641 }
1642 com->active_out = FALSE;
1643 wakeup(&com->active_out);
1644 wakeup(TSA_CARR_ON(tp)); /* restart any wopeners */
1712 if (!(com->state & CS_DTR_OFF) && unit != comconsole)
1713 kdc_sio[unit].kdc_state = DC_IDLE;
1714 splx(s);
1715}
1716
1717static int
1718sioread(dev, uio, flag)
1719 dev_t dev;
1720 struct uio *uio;
1721 int flag;

--- 44 unchanged lines hidden (view full) ---

1766static void
1767siodtrwakeup(chan)
1768 void *chan;
1769{
1770 struct com_s *com;
1771
1772 com = (struct com_s *)chan;
1773 com->state &= ~CS_DTR_OFF;
1645 splx(s);
1646}
1647
1648static int
1649sioread(dev, uio, flag)
1650 dev_t dev;
1651 struct uio *uio;
1652 int flag;

--- 44 unchanged lines hidden (view full) ---

1697static void
1698siodtrwakeup(chan)
1699 void *chan;
1700{
1701 struct com_s *com;
1702
1703 com = (struct com_s *)chan;
1704 com->state &= ~CS_DTR_OFF;
1774 if (com->unit != comconsole)
1775 kdc_sio[com->unit].kdc_state = DC_IDLE;
1776 wakeup(&com->dtr_wait);
1777}
1778
1779void
1780siointr(unit)
1781 int unit;
1782{
1783#ifndef COM_MULTIPORT

--- 2126 unchanged lines hidden --- 		1705 wakeup(&com->dtr_wait);
1706}
1707
1708void
1709siointr(unit)
1710 int unit;
1711{
1712#ifndef COM_MULTIPORT

--- 2126 unchanged lines hidden ---