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si.c (10018) si.c (10044)
1/*
2 * Device driver for Specialix range (SLXOS) of serial line multiplexors.
3 *
4 * Copyright (C) 1990, 1992 Specialix International,
5 * Copyright (C) 1993, Andy Rutter <andy@acronym.co.uk>
6 * Copyright (C) 1995, Peter Wemm <peter@haywire.dialix.com>
7 *
8 * Originally derived from: SunOS 4.x version

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25 * International may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
30 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
31 * NO EVENT SHALL THE AUTHORS BE LIABLE.
32 *
1/*
2 * Device driver for Specialix range (SLXOS) of serial line multiplexors.
3 *
4 * Copyright (C) 1990, 1992 Specialix International,
5 * Copyright (C) 1993, Andy Rutter <andy@acronym.co.uk>
6 * Copyright (C) 1995, Peter Wemm <peter@haywire.dialix.com>
7 *
8 * Originally derived from: SunOS 4.x version

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

25 * International may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED
29 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
30 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
31 * NO EVENT SHALL THE AUTHORS BE LIABLE.
32 *
33 * $Id: si.c,v 1.1 1995/08/09 13:13:46 peter Exp $
33 * $Id: si.c,v 1.2 1995/08/10 08:48:34 peter Exp $
34 */
35
36#ifndef lint
37static char si_copyright1[] = "@(#) (C) Specialix International, 1990,1992",
38 si_copyright2[] = "@(#) (C) Andy Rutter 1993",
39 si_copyright3[] = "@(#) (C) Peter Wemm 1995";
40#endif /* not lint */
41

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72/*
73 * This device driver is designed to interface the Specialix International
74 * range of serial multiplexor cards (SLXOS) to BSDI/386 on an ISA bus machine.
75 *
76 * The controller is interfaced to the host via dual port ram
77 * and a (programmable - SIHOST2) interrupt at IRQ 11,12 or 15.
78 */
79
34 */
35
36#ifndef lint
37static char si_copyright1[] = "@(#) (C) Specialix International, 1990,1992",
38 si_copyright2[] = "@(#) (C) Andy Rutter 1993",
39 si_copyright3[] = "@(#) (C) Peter Wemm 1995";
40#endif /* not lint */
41

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72/*
73 * This device driver is designed to interface the Specialix International
74 * range of serial multiplexor cards (SLXOS) to BSDI/386 on an ISA bus machine.
75 *
76 * The controller is interfaced to the host via dual port ram
77 * and a (programmable - SIHOST2) interrupt at IRQ 11,12 or 15.
78 */
79
80#define DEF_IXANY SPF_IXANY /* allow IXANY in t_iflag to work */
81#define POLL /* turn on poller to generate buffer empty interrupt */
82#define SI_I_HIGH_WATER (TTYHOG - SLXOS_BUFFERSIZE)
83
84enum si_mctl { GET, SET, BIS, BIC };
85
86static void si_command __P((struct si_port *, int, int));
87static int si_modem __P((struct si_port *, enum si_mctl, int));
88static void si_write_enable __P((struct si_port *, int));

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102static int si_Nports = 0;
103static int si_Nmodules = 0;
104static int si_debug = 0;
105
106/* where the firmware lives */
107extern int si_dsize;
108extern unsigned char si_download[];
109
80#define POLL /* turn on poller to generate buffer empty interrupt */
81#define SI_I_HIGH_WATER (TTYHOG - SLXOS_BUFFERSIZE)
82
83enum si_mctl { GET, SET, BIS, BIC };
84
85static void si_command __P((struct si_port *, int, int));
86static int si_modem __P((struct si_port *, enum si_mctl, int));
87static void si_write_enable __P((struct si_port *, int));

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101static int si_Nports = 0;
102static int si_Nmodules = 0;
103static int si_debug = 0;
104
105/* where the firmware lives */
106extern int si_dsize;
107extern unsigned char si_download[];
108
110struct si_softc si_softc[NSI]; /* 4 elements */
109struct si_softc {
110 struct device sc_dev; /* base device */
111
111
112 int sc_type; /* adapter type */
113 char *sc_typename; /* adapter type string */
114
115 struct si_port *sc_ports; /* port structures for this card */
116
117 caddr_t sc_paddr; /* physical addr of iomem */
118 caddr_t sc_maddr; /* kvaddr of iomem */
119 int sc_nport; /* # ports on this card */
120 int sc_irq; /* copy of attach irq */
121 int sc_eisa_iobase; /* EISA io port address */
122 int sc_eisa_irqbits;
123 struct kern_devconf sc_kdc;
124};
125struct si_softc si_softc[NSI]; /* up to 4 elements */
126
112#ifndef B2000 /* not standard */
113# define B2000 2000
114#endif
115static struct speedtab bdrates[] = {
116 B75, CLK75, /* 0x0 */
117 B110, CLK110, /* 0x1 */
118 B150, CLK150, /* 0x3 */
119 B300, CLK300, /* 0x4 */

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147 B9600, 960,
148 B19200, 1920,
149 B38400, 3840,
150 B57600, 5760,
151 B115200, 11520,
152 -1, -1
153};
154static volatile int in_intr = 0; /* Inside interrupt handler? */
127#ifndef B2000 /* not standard */
128# define B2000 2000
129#endif
130static struct speedtab bdrates[] = {
131 B75, CLK75, /* 0x0 */
132 B110, CLK110, /* 0x1 */
133 B150, CLK150, /* 0x3 */
134 B300, CLK300, /* 0x4 */

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

162 B9600, 960,
163 B19200, 1920,
164 B38400, 3840,
165 B57600, 5760,
166 B115200, 11520,
167 -1, -1
168};
169static volatile int in_intr = 0; /* Inside interrupt handler? */
155static int buffer_space = 128; /* Amount of free buffer space
156 which must be available before
157 the writer is unblocked */
158static int sidefaultrate = TTYDEF_SPEED;
159
160#ifdef POLL
161#define POLL_INTERVAL (hz/2)
162static int init_finished = 0;
163static void si_poll __P((void *));
164#endif
165

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570 case M422:
571 nmodule++;
572 nport = (modp->sm_type & MMASK);
573 ccbp = (struct si_channel *)((char *)modp+0x100);
574 for (x = 0; x < nport; x++, pp++, ccbp++) {
575 pp->sp_ccb = ccbp; /* save the address */
576 pp->sp_tty = tp++;
577 pp->sp_pend = IDLE_CLOSE;
170static int sidefaultrate = TTYDEF_SPEED;
171
172#ifdef POLL
173#define POLL_INTERVAL (hz/2)
174static int init_finished = 0;
175static void si_poll __P((void *));
176#endif
177

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

582 case M422:
583 nmodule++;
584 nport = (modp->sm_type & MMASK);
585 ccbp = (struct si_channel *)((char *)modp+0x100);
586 for (x = 0; x < nport; x++, pp++, ccbp++) {
587 pp->sp_ccb = ccbp; /* save the address */
588 pp->sp_tty = tp++;
589 pp->sp_pend = IDLE_CLOSE;
578 pp->sp_flags = DEF_IXANY;
590 pp->sp_flags = 0;
579 pp->sp_state = 0; /* internal flag */
580 pp->sp_dtr_wait = 3 * hz;
581 pp->sp_iin.c_iflag = 0;
582 pp->sp_iin.c_oflag = 0;
583 pp->sp_iin.c_cflag = TTYDEF_CFLAG;
584 pp->sp_iin.c_lflag = 0;
585 termioschars(&pp->sp_iin);
586 pp->sp_iin.c_ispeed = pp->sp_iin.c_ospeed =

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

1165 */
1166static int
1167si_Sioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
1168{
1169 struct si_softc *xsc;
1170 register struct si_port *xpp;
1171 volatile struct si_reg *regp;
1172 struct si_tcsi *dp;
591 pp->sp_state = 0; /* internal flag */
592 pp->sp_dtr_wait = 3 * hz;
593 pp->sp_iin.c_iflag = 0;
594 pp->sp_iin.c_oflag = 0;
595 pp->sp_iin.c_cflag = TTYDEF_CFLAG;
596 pp->sp_iin.c_lflag = 0;
597 termioschars(&pp->sp_iin);
598 pp->sp_iin.c_ispeed = pp->sp_iin.c_ospeed =

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1177 */
1178static int
1179si_Sioctl(dev_t dev, int cmd, caddr_t data, int flag, struct proc *p)
1180{
1181 struct si_softc *xsc;
1182 register struct si_port *xpp;
1183 volatile struct si_reg *regp;
1184 struct si_tcsi *dp;
1185 struct si_pstat *sps;
1173 BYTE *bp;
1174 int i, *ip, error = 0;
1175 int oldspl;
1176 int card, port;
1177 unsigned short *usp;
1178 int mynor = minor(dev);
1179
1180 DPRINT((0, DBG_ENTRY|DBG_IOCTL, "si_Sioctl(%x,%x,%x,%x)\n",
1181 dev, cmd, data, flag));
1182
1186 BYTE *bp;
1187 int i, *ip, error = 0;
1188 int oldspl;
1189 int card, port;
1190 unsigned short *usp;
1191 int mynor = minor(dev);
1192
1193 DPRINT((0, DBG_ENTRY|DBG_IOCTL, "si_Sioctl(%x,%x,%x,%x)\n",
1194 dev, cmd, data, flag));
1195
1196#if 1
1197 DPRINT((0, DBG_IOCTL, "TCSI_PORT=%x\n", TCSI_PORT));
1198 DPRINT((0, DBG_IOCTL, "TCSI_CCB=%x\n", TCSI_CCB));
1199 DPRINT((0, DBG_IOCTL, "TCSI_TTY=%x\n", TCSI_TTY));
1200#endif
1201
1183 if (!IS_CONTROLDEV(mynor)) {
1184 DPRINT((0, DBG_IOCTL|DBG_FAIL, "not called from control device!\n"));
1185 return(ENODEV);
1186 }
1187
1188 oldspl = spltty(); /* better safe than sorry */
1189
1190 ip = (int *)data;

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1204 goto out;
1205 case TCSIGDBG_ALL:
1206 *ip = si_debug;
1207 goto out;
1208 default:
1209 /*
1210 * Check that a controller for this port exists
1211 */
1202 if (!IS_CONTROLDEV(mynor)) {
1203 DPRINT((0, DBG_IOCTL|DBG_FAIL, "not called from control device!\n"));
1204 return(ENODEV);
1205 }
1206
1207 oldspl = spltty(); /* better safe than sorry */
1208
1209 ip = (int *)data;

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

1223 goto out;
1224 case TCSIGDBG_ALL:
1225 *ip = si_debug;
1226 goto out;
1227 default:
1228 /*
1229 * Check that a controller for this port exists
1230 */
1231
1232 /* may also be a struct si_pstat, a superset of si_tcsi */
1233
1212 dp = (struct si_tcsi *)data;
1234 dp = (struct si_tcsi *)data;
1235 sps = (struct si_pstat *)data;
1213 card = dp->tc_card;
1214 xsc = &si_softc[card]; /* check.. */
1215 if (card < 0 || card >= NSI || xsc->sc_type == NULL) {
1216 error = ENOENT;
1217 goto out;
1218 }
1219 /*
1220 * And check that a port exists

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

1267 break;
1268 case TCSIGIT:
1269 dp->tc_int = regp->int_count;
1270 break;
1271 case TCSIIT:
1272 SUCHECK;
1273 regp->int_count = dp->tc_int;
1274 break;
1236 card = dp->tc_card;
1237 xsc = &si_softc[card]; /* check.. */
1238 if (card < 0 || card >= NSI || xsc->sc_type == NULL) {
1239 error = ENOENT;
1240 goto out;
1241 }
1242 /*
1243 * And check that a port exists

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

1290 break;
1291 case TCSIGIT:
1292 dp->tc_int = regp->int_count;
1293 break;
1294 case TCSIIT:
1295 SUCHECK;
1296 regp->int_count = dp->tc_int;
1297 break;
1275 case TCSIGMIN:
1276 dp->tc_int = buffer_space;
1298 case TCSISTATE:
1299 dp->tc_int = xpp->sp_ccb->hi_ip;
1277 break;
1300 break;
1278 case TCSIMIN:
1301 /* these next three use a different structure */
1302 case TCSI_PORT:
1279 SUCHECK;
1303 SUCHECK;
1280 buffer_space = dp->tc_int;
1304 sps->tc_siport = *xpp;
1281 break;
1305 break;
1282 case TCSIIXANY:
1283 switch (dp->tc_int) {
1284 case -1:
1285 dp->tc_int = (xpp->sp_flags & SPF_IXANY)?1:0;
1286 break;
1287 case 1:
1288 SUCHECK;
1289 xpp->sp_flags |= SPF_IXANY;
1290 break;
1291 case 0:
1292 SUCHECK;
1293 xpp->sp_flags &= ~SPF_IXANY;
1294 break;
1295 default:
1296 error = EINVAL;
1297 goto out;
1298 }
1306 case TCSI_CCB:
1307 SUCHECK;
1308 sps->tc_ccb = *xpp->sp_ccb;
1299 break;
1309 break;
1300 case TCSIFLOW:
1301 i = dp->tc_int;
1302 if (i == -1)
1303 dp->tc_int = xpp->sp_flags & (SPF_CTSOFLOW|SPF_RTSIFLOW);
1304 else {
1305 SUCHECK;
1306 if (i & ~(SPF_CTSOFLOW|SPF_RTSIFLOW) != 0) {
1307 error = EINVAL;
1308 goto out;
1309 }
1310 if (i & SPF_CTSOFLOW)
1311 xpp->sp_flags |= SPF_CTSOFLOW;
1312 else
1313 xpp->sp_flags &= ~SPF_CTSOFLOW;
1314 if (i & SPF_RTSIFLOW)
1315 xpp->sp_flags |= SPF_RTSIFLOW;
1316 else
1317 xpp->sp_flags &= ~SPF_RTSIFLOW;
1318 }
1310 case TCSI_TTY:
1311 SUCHECK;
1312 sps->tc_tty = *xpp->sp_tty;
1319 break;
1313 break;
1320 case TCSISTATE:
1321 dp->tc_int = xpp->sp_ccb->hi_ip;
1322 break;
1323 case TCSIPPP:
1324 switch (dp->tc_int) {
1325 case -1:
1326 dp->tc_int = (xpp->sp_flags & SPF_PPP)?1:0;
1327 break;
1328 case 1:
1329 SUCHECK;
1330 xpp->sp_flags |= SPF_PPP;
1331 break;
1332 case 0:
1333 SUCHECK;
1334 xpp->sp_flags &= ~SPF_PPP;
1335 break;
1336 default:
1337 error = EINVAL;
1338 goto out;
1339 }
1340 break;
1341 default:
1342 error = EINVAL;
1343 goto out;
1344 }
1345out:
1346 splx(oldspl);
1347 return(error); /* success */
1348}

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

1365 int ispeed = 0; /* shutup gcc */
1366 int ospeed = 0; /* shutup gcc */
1367
1368 DPRINT((pp, DBG_ENTRY|DBG_PARAM, "siparam(%x,%x)\n", tp, t));
1369 cflag = t->c_cflag;
1370 iflag = t->c_iflag;
1371 oflag = t->c_oflag;
1372 lflag = t->c_lflag;
1314 default:
1315 error = EINVAL;
1316 goto out;
1317 }
1318out:
1319 splx(oldspl);
1320 return(error); /* success */
1321}

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

1338 int ispeed = 0; /* shutup gcc */
1339 int ospeed = 0; /* shutup gcc */
1340
1341 DPRINT((pp, DBG_ENTRY|DBG_PARAM, "siparam(%x,%x)\n", tp, t));
1342 cflag = t->c_cflag;
1343 iflag = t->c_iflag;
1344 oflag = t->c_oflag;
1345 lflag = t->c_lflag;
1373 DPRINT((pp, DBG_PARAM, "OFLAG 0x%x CFLAG 0x%x IFLAG 0x%x\n",
1374 t->c_oflag, cflag, iflag));
1346 DPRINT((pp, DBG_PARAM, "OFLAG 0x%x CFLAG 0x%x IFLAG 0x%x LFLAG 0x%x\n",
1347 oflag, cflag, iflag, lflag));
1375
1376
1377 /* if not hung up.. */
1378 if (t->c_ospeed != 0) {
1379 /* translate baud rate to firmware values */
1380 ospeed = ttspeedtab(t->c_ospeed, bdrates);
1381 ispeed = t->c_ispeed ?
1382 ttspeedtab(t->c_ispeed, bdrates) : ospeed;

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

1443
1444 /* XXX: the card handles all the flow control... */
1445 ccbp->hi_txon = t->c_cc[VSTART];
1446 ccbp->hi_txoff = t->c_cc[VSTOP];
1447
1448 ccbp->hi_rxon = t->c_cc[VSTART];
1449 ccbp->hi_rxoff = t->c_cc[VSTOP];
1450
1348
1349
1350 /* if not hung up.. */
1351 if (t->c_ospeed != 0) {
1352 /* translate baud rate to firmware values */
1353 ospeed = ttspeedtab(t->c_ospeed, bdrates);
1354 ispeed = t->c_ispeed ?
1355 ttspeedtab(t->c_ispeed, bdrates) : ospeed;

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

1416
1417 /* XXX: the card handles all the flow control... */
1418 ccbp->hi_txon = t->c_cc[VSTART];
1419 ccbp->hi_txoff = t->c_cc[VSTOP];
1420
1421 ccbp->hi_rxon = t->c_cc[VSTART];
1422 ccbp->hi_rxoff = t->c_cc[VSTOP];
1423
1451 if ((iflag & IXANY) && pp->sp_flags&SPF_IXANY)
1424 if (iflag & IXANY)
1452 ccbp->hi_prtcl |= SP_TANY;
1453 if (iflag & IXON)
1454 ccbp->hi_prtcl |= SP_TXEN;
1455 if (iflag & IXOFF)
1456 ccbp->hi_prtcl |= SP_RXEN;
1457 if (iflag & INPCK)
1458 ccbp->hi_prtcl |= SP_PAEN;
1459
1460 /*
1461 * Enable H/W RTS/CTS handshaking. The default TA/MTA is
1462 * a DCE, hence the reverse sense of RTS and CTS
1463 */
1464
1465 /* Output - RTS must be raised before data can be sent */
1425 ccbp->hi_prtcl |= SP_TANY;
1426 if (iflag & IXON)
1427 ccbp->hi_prtcl |= SP_TXEN;
1428 if (iflag & IXOFF)
1429 ccbp->hi_prtcl |= SP_RXEN;
1430 if (iflag & INPCK)
1431 ccbp->hi_prtcl |= SP_PAEN;
1432
1433 /*
1434 * Enable H/W RTS/CTS handshaking. The default TA/MTA is
1435 * a DCE, hence the reverse sense of RTS and CTS
1436 */
1437
1438 /* Output - RTS must be raised before data can be sent */
1466 if (cflag & CCTS_OFLOW || pp->sp_flags&SPF_CTSOFLOW)
1439 if (cflag & CCTS_OFLOW)
1467 ccbp->hi_mr2 |= MR2_RTSCONT;
1468 /* Input - CTS is raised when port is ready to receive data */
1440 ccbp->hi_mr2 |= MR2_RTSCONT;
1441 /* Input - CTS is raised when port is ready to receive data */
1469 if (cflag & CRTS_IFLOW || pp->sp_flags&SPF_RTSIFLOW)
1442 if (cflag & CRTS_IFLOW)
1470 ccbp->hi_mr1 |= MR1_CTSCONT;
1471
1472 /* potential sleep here */
1473 if (ccbp->hi_stat == IDLE_CLOSE) /* Not yet open */
1474 si_command(pp, LOPEN, SI_WAIT); /* open it */
1475 else
1476 si_command(pp, CONFIG, SI_WAIT); /* change params */
1477
1478 /* Hangup if ospeed == 0 */
1479 if (t->c_ospeed == 0) {
1480 (void) si_modem(pp, BIC, TIOCM_DTR|TIOCM_RTS);
1481 } else {
1482 /*
1483 * If the previous speed was 0, may need to re-enable
1484 * the modem signals
1485 */
1486 (void) si_modem(pp, SET, TIOCM_DTR|TIOCM_RTS);
1487 }
1488
1443 ccbp->hi_mr1 |= MR1_CTSCONT;
1444
1445 /* potential sleep here */
1446 if (ccbp->hi_stat == IDLE_CLOSE) /* Not yet open */
1447 si_command(pp, LOPEN, SI_WAIT); /* open it */
1448 else
1449 si_command(pp, CONFIG, SI_WAIT); /* change params */
1450
1451 /* Hangup if ospeed == 0 */
1452 if (t->c_ospeed == 0) {
1453 (void) si_modem(pp, BIC, TIOCM_DTR|TIOCM_RTS);
1454 } else {
1455 /*
1456 * If the previous speed was 0, may need to re-enable
1457 * the modem signals
1458 */
1459 (void) si_modem(pp, SET, TIOCM_DTR|TIOCM_RTS);
1460 }
1461
1489 DPRINT((pp, DBG_PARAM, "siparam, config completed ok MR1 %x MR2 %x\n",
1490 ccbp->hi_mr1, ccbp->hi_mr2));
1462 DPRINT((pp, DBG_PARAM, "siparam, complete: MR1 %x MR2 %x HI_MASK %x PRTCL %x HI_BREAK %x\n",
1463 ccbp->hi_mr1, ccbp->hi_mr2, ccbp->hi_mask, ccbp->hi_prtcl, ccbp->hi_break));
1491
1492 splx(oldspl);
1493out:
1494 return(error);
1495}
1496
1497/*
1498 * Wait for buffered TX characters to drain away.

--- 752 unchanged lines hidden --- 		1464
1465 splx(oldspl);
1466out:
1467 return(error);
1468}
1469
1470/*
1471 * Wait for buffered TX characters to drain away.

--- 752 unchanged lines hidden ---