gusc.c revision 53553
1183370Simp/*- 2183370Simp * Copyright (c) 1999 Seigo Tanimura 3183370Simp * Copyright (c) 1999 Ville-Pertti Keinonen 4183370Simp * All rights reserved. 5183370Simp * 6183370Simp * Redistribution and use in source and binary forms, with or without 7183370Simp * modification, are permitted provided that the following conditions 8183370Simp * are met: 9183370Simp * 1. Redistributions of source code must retain the above copyright 10183370Simp * notice, this list of conditions and the following disclaimer. 11183370Simp * 2. Redistributions in binary form must reproduce the above copyright 12183370Simp * notice, this list of conditions and the following disclaimer in the 13183370Simp * documentation and/or other materials provided with the distribution. 14183370Simp * 15183370Simp * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16183370Simp * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17183370Simp * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18183370Simp * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19183370Simp * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20183370Simp * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21183370Simp * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22183370Simp * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23183370Simp * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24183370Simp * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25183370Simp * SUCH DAMAGE. 26183370Simp * 27183370Simp * $FreeBSD: head/sys/dev/sound/isa/gusc.c 53553 1999-11-22 06:07:49Z tanimura $ 28183370Simp */ 29183370Simp 30183370Simp#include "gusc.h" 31183370Simp#include "isa.h" 32183370Simp#include "pnp.h" 33183370Simp 34183370Simp#include <sys/param.h> 35183370Simp#include <sys/systm.h> 36183370Simp#include <sys/kernel.h> 37183370Simp#include <sys/bus.h> 38183370Simp#include <sys/malloc.h> 39183370Simp#include <sys/module.h> 40183370Simp#include <machine/resource.h> 41183370Simp#include <machine/bus.h> 42183370Simp#include <machine/clock.h> 43183370Simp#include <sys/rman.h> 44183370Simp#include <sys/soundcard.h> 45183370Simp#include <dev/sound/pcm/sound.h> 46183370Simp#include <dev/sound/chip.h> 47183370Simp#include "bus_if.h" 48183370Simp 49183370Simp 50183370Simp#if NISA > 0 51183370Simp#include <isa/isavar.h> 52183370Simp#include <isa/isa_common.h> 53183370Simp#ifdef __alpha__ /* XXX workaround a stupid warning */ 54183370Simp#include <alpha/isa/isavar.h> 55183370Simp#endif 56183370Simp#endif /* NISA > 0 */ 57183370Simp 58183370Simp#if NGUSC > 0 59183370Simp 60183370Simp#define LOGICALID_PCM 0x0000561e 61183370Simp#define LOGICALID_OPL 0x0300561e 62183370Simp#define LOGICALID_MIDI 0x0400561e 63183370Simp 64183370Simp/* Interrupt handler. */ 65183370Simpstruct gusc_ihandler { 66183370Simp void (*intr)(void *); 67183370Simp void *arg; 68183370Simp}; 69183370Simp 70183370Simp/* Here is the parameter structure per a device. */ 71183370Simpstruct gusc_softc { 72183370Simp device_t dev; /* device */ 73183370Simp int io_rid[3]; /* io port rids */ 74183370Simp struct resource *io[3]; /* io port resources */ 75183370Simp int io_alloced[3]; /* io port alloc flag */ 76183370Simp int irq_rid; /* irq rids */ 77183370Simp struct resource *irq; /* irq resources */ 78183370Simp int irq_alloced; /* irq alloc flag */ 79183370Simp int drq_rid[2]; /* drq rids */ 80183370Simp struct resource *drq[2]; /* drq resources */ 81183370Simp int drq_alloced[2]; /* drq alloc flag */ 82183370Simp 83183370Simp /* Interrupts are shared (XXX non-PnP only?) */ 84183370Simp struct gusc_ihandler midi_intr; 85183370Simp struct gusc_ihandler pcm_intr; 86183370Simp}; 87183370Simp 88183370Simptypedef struct gusc_softc *sc_p; 89183370Simp 90183370Simp#if NISA > 0 91183370Simpstatic int gusc_probe(device_t dev); 92183370Simpstatic int gusc_attach(device_t dev); 93183370Simpstatic int gusisa_probe(device_t dev); 94183370Simpstatic void gusc_intr(void *); 95183370Simp#endif /* NISA > 0 */ 96183370Simpstatic struct resource *gusc_alloc_resource(device_t bus, device_t child, int type, int *rid, 97183370Simp u_long start, u_long end, u_long count, u_int flags); 98183370Simpstatic int gusc_release_resource(device_t bus, device_t child, int type, int rid, 99183370Simp struct resource *r); 100183370Simp 101183370Simp#if notyet 102183370Simpstatic device_t find_masterdev(sc_p scp); 103183370Simp#endif /* notyet */ 104183370Simpstatic int alloc_resource(sc_p scp); 105183370Simpstatic int release_resource(sc_p scp); 106183370Simp 107183370Simpstatic devclass_t gusc_devclass; 108183370Simp 109183370Simp#if NISA > 0 110183370Simp 111183370Simpstatic int 112183370Simpgusc_probe(device_t dev) 113183370Simp{ 114183370Simp u_int32_t vend_id, logical_id; 115183370Simp char *s; 116183370Simp struct sndcard_func *func; 117183370Simp 118183370Simp vend_id = isa_get_vendorid(dev); 119183370Simp if (vend_id == 0) 120183370Simp return gusisa_probe(dev); 121183370Simp 122183370Simp#if NPNP > 0 123183370Simp logical_id = isa_get_logicalid(dev); 124183370Simp s = NULL; 125183370Simp 126183370Simp if (vend_id == 0x0100561e) { /* Gravis */ 127183370Simp switch (logical_id) { 128183370Simp case LOGICALID_PCM: 129183370Simp s = "Gravis UltraSound Plug & Play PCM"; 130183370Simp func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 131183370Simp if (func == NULL) 132183370Simp return (ENOMEM); 133183370Simp bzero(func, sizeof(*func)); 134183370Simp func->func = SCF_PCM; 135183370Simp device_add_child(dev, "pcm", -1, func); 136183370Simp break; 137183370Simp#if notyet 138183370Simp case LOGICALID_OPL: 139183370Simp s = "Gravis UltraSound Plug & Play OPL"; 140183370Simp func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 141183370Simp if (func == NULL) 142183370Simp return (ENOMEM); 143183370Simp bzero(func, sizeof(*func)); 144183370Simp func->func = SCF_SYNTH; 145183370Simp device_add_child(dev, "midi", -1, func); 146183370Simp break; 147183370Simp case LOGICALID_MIDI: 148183370Simp s = "Gravis UltraSound Plug & Play MIDI"; 149183370Simp func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 150183370Simp if (func == NULL) 151183370Simp return (ENOMEM); 152183370Simp bzero(func, sizeof(*func)); 153183370Simp func->func = SCF_MIDI; 154183370Simp device_add_child(dev, "midi", -1, func); 155183370Simp break; 156183370Simp#endif /* notyet */ 157183370Simp } 158183370Simp } 159183370Simp 160183370Simp if (s != NULL) { 161183370Simp device_set_desc(dev, s); 162183370Simp return (0); 163183370Simp } 164183370Simp#endif /* NPNP > 0 */ 165183370Simp 166183370Simp return (ENXIO); 167183370Simp} 168183370Simp 169183370Simpstatic void 170183370Simpport_wr(struct resource *r, int i, unsigned char v) 171183370Simp{ 172183370Simp bus_space_write_1(rman_get_bustag(r), rman_get_bushandle(r), i, v); 173183370Simp} 174183370Simp 175183370Simpstatic int 176183370Simpport_rd(struct resource *r, int i) 177183370Simp{ 178183370Simp return bus_space_read_1(rman_get_bustag(r), rman_get_bushandle(r), i); 179183370Simp} 180183370Simp 181183370Simp/* 182183370Simp * Probe for an old (non-PnP) GUS card on the ISA bus. 183183370Simp */ 184183370Simp 185183370Simpstatic int 186183370Simpgusisa_probe(device_t dev) 187183370Simp{ 188183370Simp struct resource *res, *res2; 189183370Simp int base, rid, rid2, s, flags; 190183370Simp unsigned char val; 191183370Simp 192183370Simp base = isa_get_port(dev); 193183370Simp flags = device_get_flags(dev); 194183370Simp rid = 1; 195183370Simp res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, base + 0x100, 196183370Simp base + 0x107, 8, RF_ACTIVE); 197183370Simp 198183370Simp if (res == NULL) 199183370Simp return ENXIO; 200 201 res2 = NULL; 202 203 /* 204 * Check for the presence of some GUS card. Reset the card, 205 * then see if we can access the memory on it. 206 */ 207 208 port_wr(res, 3, 0x4c); 209 port_wr(res, 5, 0); 210 DELAY(30 * 1000); 211 212 port_wr(res, 3, 0x4c); 213 port_wr(res, 5, 1); 214 DELAY(30 * 1000); 215 216 s = splhigh(); 217 218 /* Write to DRAM. */ 219 220 port_wr(res, 3, 0x43); /* Register select */ 221 port_wr(res, 4, 0); /* Low addr */ 222 port_wr(res, 5, 0); /* Med addr */ 223 224 port_wr(res, 3, 0x44); /* Register select */ 225 port_wr(res, 4, 0); /* High addr */ 226 port_wr(res, 7, 0x55); /* DRAM */ 227 228 /* Read from DRAM. */ 229 230 port_wr(res, 3, 0x43); /* Register select */ 231 port_wr(res, 4, 0); /* Low addr */ 232 port_wr(res, 5, 0); /* Med addr */ 233 234 port_wr(res, 3, 0x44); /* Register select */ 235 port_wr(res, 4, 0); /* High addr */ 236 val = port_rd(res, 7); /* DRAM */ 237 238 splx(s); 239 240 if (val != 0x55) 241 goto fail; 242 243 rid2 = 0; 244 res2 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid2, base, base, 1, 245 RF_ACTIVE); 246 247 if (res2 == NULL) 248 goto fail; 249 250 s = splhigh(); 251 port_wr(res2, 0x0f, 0x20); 252 val = port_rd(res2, 0x0f); 253 splx(s); 254 255 if (val == 0xff || (val & 0x06) == 0) 256 val = 0; 257 else { 258 val = port_rd(res2, 0x506); /* XXX Out of range. */ 259 if (val == 0xff) 260 val = 0; 261 } 262 263 bus_release_resource(dev, SYS_RES_IOPORT, rid2, res2); 264 bus_release_resource(dev, SYS_RES_IOPORT, rid, res); 265 266 if (val >= 10) { 267 struct sndcard_func *func; 268 269 /* Looks like a GUS MAX. Set the rest of the resources. */ 270 271 bus_set_resource(dev, SYS_RES_IOPORT, 2, base + 0x10c, 8); 272 273 if (flags & DV_F_DUAL_DMA) 274 bus_set_resource(dev, SYS_RES_DRQ, 1, 275 flags & DV_F_DRQ_MASK, 1); 276 277#if notyet 278 /* We can support the CS4231 and MIDI devices. */ 279 280 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 281 if (func == NULL) 282 return ENOMEM; 283 bzero(func, sizeof *func); 284 func->func = SCF_MIDI; 285 device_add_child(dev, "midi", -1, func); 286#endif /* notyet */ 287 288 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 289 if (func == NULL) 290 printf("xxx: gus pcm not attached, out of memory\n"); 291 else { 292 bzero(func, sizeof *func); 293 func->func = SCF_PCM; 294 device_add_child(dev, "pcm", -1, func); 295 } 296 device_set_desc(dev, "Gravis UltraSound MAX"); 297 return 0; 298 } else { 299 300 /* 301 * TODO: Support even older GUS cards. MIDI should work on 302 * all models. 303 */ 304 return ENXIO; 305 } 306 307fail: 308 bus_release_resource(dev, SYS_RES_IOPORT, rid, res); 309 return ENXIO; 310} 311 312static int 313gusc_attach(device_t dev) 314{ 315 sc_p scp; 316 int unit; 317 void *ih; 318 319 scp = device_get_softc(dev); 320 unit = device_get_unit(dev); 321 322 bzero(scp, sizeof(*scp)); 323 324 scp->dev = dev; 325 if (alloc_resource(scp)) { 326 release_resource(scp); 327 return (ENXIO); 328 } 329 330 bus_setup_intr(dev, scp->irq, INTR_TYPE_TTY, gusc_intr, scp, &ih); 331 bus_generic_attach(dev); 332 333 return (0); 334} 335 336/* 337 * Handle interrupts on GUS devices until there aren't any left. 338 */ 339static void 340gusc_intr(void *arg) 341{ 342 sc_p scp = (sc_p)arg; 343 int did_something; 344 345 do { 346 did_something = 0; 347 if (scp->pcm_intr.intr != NULL && 348 (port_rd(scp->io[2], 2) & 1)) { 349 (*scp->pcm_intr.intr)(scp->pcm_intr.arg); 350 did_something = 1; 351 } 352#if notyet 353 if (scp->midi_intr.intr != NULL && 354 (port_rd(scp->io[1], 0) & 0x80)) { 355 (*scp->midi_intr.intr)(scp->midi_intr.arg); 356 did_something = 1; 357 } 358#endif /* notyet */ 359 } while (did_something != 0); 360} 361#endif /* NISA > 0 */ 362 363static struct resource * 364gusc_alloc_resource(device_t bus, device_t child, int type, int *rid, 365 u_long start, u_long end, u_long count, u_int flags) 366{ 367 sc_p scp; 368 int *alloced, rid_max, alloced_max; 369 struct resource **res; 370 371 scp = device_get_softc(bus); 372 switch (type) { 373 case SYS_RES_IOPORT: 374 alloced = scp->io_alloced; 375 res = scp->io; 376 rid_max = 2; 377 alloced_max = 2; /* pcm + midi (more to include synth) */ 378 break; 379 case SYS_RES_IRQ: 380 alloced = &scp->irq_alloced; 381 res = &scp->irq; 382 rid_max = 0; 383 alloced_max = 2; /* pcm and midi share the single irq. */ 384 break; 385 case SYS_RES_DRQ: 386 alloced = scp->drq_alloced; 387 res = scp->drq; 388 rid_max = 1; 389 alloced_max = 1; 390 break; 391 default: 392 return (NULL); 393 } 394 395 if (*rid > rid_max || alloced[*rid] == alloced_max) 396 return (NULL); 397 398 alloced[*rid]++; 399 return (res[*rid]); 400} 401 402static int 403gusc_release_resource(device_t bus, device_t child, int type, int rid, 404 struct resource *r) 405{ 406 sc_p scp; 407 int *alloced, rid_max; 408 409 scp = device_get_softc(bus); 410 switch (type) { 411 case SYS_RES_IOPORT: 412 alloced = scp->io_alloced; 413 rid_max = 2; 414 break; 415 case SYS_RES_IRQ: 416 alloced = &scp->irq_alloced; 417 rid_max = 0; 418 break; 419 case SYS_RES_DRQ: 420 alloced = scp->drq_alloced; 421 rid_max = 1; 422 break; 423 default: 424 return (1); 425 } 426 427 if (rid > rid_max || alloced[rid] == 0) 428 return (1); 429 430 alloced[rid]--; 431 return (0); 432} 433 434static int 435gusc_setup_intr(device_t dev, device_t child, struct resource *irq, 436 int flags, driver_intr_t *intr, void *arg, void **cookiep) 437{ 438 sc_p scp = (sc_p)device_get_softc(dev); 439 devclass_t devclass; 440 441 devclass = device_get_devclass(child); 442 if (strcmp(devclass_get_name(devclass), "midi") == 0) { 443 scp->midi_intr.intr = intr; 444 scp->midi_intr.arg = arg; 445 return 0; 446 } else if (strcmp(devclass_get_name(devclass), "pcm") == 0) { 447 scp->pcm_intr.intr = intr; 448 scp->pcm_intr.arg = arg; 449 return 0; 450 } 451 return bus_generic_setup_intr(dev, child, irq, flags, intr, 452 arg, cookiep); 453} 454 455#if notyet 456static device_t 457find_masterdev(sc_p scp) 458{ 459 int i, units; 460 devclass_t devclass; 461 device_t dev; 462 463 devclass = device_get_devclass(scp->dev); 464 units = devclass_get_maxunit(devclass); 465 dev = NULL; 466 for (i = 0 ; i < units ; i++) { 467 dev = devclass_get_device(devclass, i); 468 if (isa_get_vendorid(dev) == isa_get_vendorid(scp->dev) 469 && isa_get_logicalid(dev) == LOGICALID_PCM 470 && isa_get_serial(dev) == isa_get_serial(scp->dev)) 471 break; 472 } 473 if (i == units) 474 return (NULL); 475 476 return (dev); 477} 478#endif /* notyet */ 479 480static int io_range[3] = {0x10, 0x4, 0x4}; 481static int 482alloc_resource(sc_p scp) 483{ 484 int i; 485#if notyet 486 device_t dev; 487#endif /* notyet */ 488 489 switch(isa_get_logicalid(scp->dev)) { 490 case LOGICALID_PCM: 491 default: /* XXX Non-PnP */ 492 for (i = 0 ; i < sizeof(scp->io) / sizeof(*scp->io) ; i++) { 493 if (scp->io[i] == NULL) { 494 scp->io_rid[i] = i; 495 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i], 496 0, ~0, io_range[i], RF_ACTIVE); 497 if (scp->io[i] == NULL) 498 return (1); 499 scp->io_alloced[i] = 0; 500 } 501 } 502 if (scp->irq == NULL) { 503 scp->irq_rid = 0; 504 scp->irq = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid, 505 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); 506 if (scp->irq == NULL) 507 return (1); 508 scp->irq_alloced = 0; 509 } 510 for (i = 0 ; i < sizeof(scp->drq) / sizeof(*scp->drq) ; i++) { 511 if (scp->drq[i] == NULL) { 512 scp->drq_rid[i] = i; 513 scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i], 514 0, ~0, 1, RF_ACTIVE); 515 if (scp->drq[i] == NULL) 516 return (1); 517 scp->drq_alloced[i] = 0; 518 } 519 } 520 break; 521#if notyet 522 case LOGICALID_OPL: 523 if (scp->io[0] == NULL) { 524 scp->io_rid[0] = 0; 525 scp->io[0] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[0], 526 0, ~0, io_range[0], RF_ACTIVE); 527 if (scp->io[0] == NULL) 528 return (1); 529 scp->io_alloced[0] = 0; 530 } 531 break; 532 case LOGICALID_MIDI: 533 if (scp->io[0] == NULL) { 534 scp->io_rid[0] = 0; 535 scp->io[0] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[0], 536 0, ~0, io_range[0], RF_ACTIVE); 537 if (scp->io[0] == NULL) 538 return (1); 539 scp->io_alloced[0] = 0; 540 } 541 if (scp->irq == NULL) { 542 /* The irq is shared with pcm audio. */ 543 dev = find_masterdev(scp); 544 if (dev == NULL) 545 return (1); 546 scp->irq_rid = 0; 547 scp->irq = BUS_ALLOC_RESOURCE(dev, NULL, SYS_RES_IRQ, &scp->irq_rid, 548 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); 549 if (scp->irq == NULL) 550 return (1); 551 scp->irq_alloced = 0; 552 } 553 break; 554#endif /* notyet */ 555 } 556 return (0); 557} 558 559static int 560release_resource(sc_p scp) 561{ 562 int i; 563#if notyet 564 device_t dev; 565#endif /* notyet */ 566 567 switch(isa_get_logicalid(scp->dev)) { 568 case LOGICALID_PCM: 569 default: /* XXX Non-PnP */ 570 for (i = 0 ; i < sizeof(scp->io) / sizeof(*scp->io) ; i++) { 571 if (scp->io[i] != NULL) { 572 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]); 573 scp->io[i] = NULL; 574 } 575 } 576 if (scp->irq != NULL) { 577 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid, scp->irq); 578 scp->irq = NULL; 579 } 580 for (i = 0 ; i < sizeof(scp->drq) / sizeof(*scp->drq) ; i++) { 581 if (scp->drq[i] != NULL) { 582 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]); 583 scp->drq[i] = NULL; 584 } 585 } 586 break; 587#if notyet 588 case LOGICALID_OPL: 589 if (scp->io[0] != NULL) { 590 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[0], scp->io[0]); 591 scp->io[0] = NULL; 592 } 593 break; 594 case LOGICALID_MIDI: 595 if (scp->io[0] != NULL) { 596 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[0], scp->io[0]); 597 scp->io[0] = NULL; 598 } 599 if (scp->irq != NULL) { 600 /* The irq is shared with pcm audio. */ 601 dev = find_masterdev(scp); 602 if (dev == NULL) 603 return (1); 604 BUS_RELEASE_RESOURCE(dev, NULL, SYS_RES_IOPORT, scp->irq_rid, scp->irq); 605 scp->irq = NULL; 606 } 607 break; 608#endif /* notyet */ 609 } 610 return (0); 611} 612 613#if NISA > 0 614static device_method_t gusc_methods[] = { 615 /* Device interface */ 616 DEVMETHOD(device_probe, gusc_probe), 617 DEVMETHOD(device_attach, gusc_attach), 618 DEVMETHOD(device_detach, bus_generic_detach), 619 DEVMETHOD(device_shutdown, bus_generic_shutdown), 620 DEVMETHOD(device_suspend, bus_generic_suspend), 621 DEVMETHOD(device_resume, bus_generic_resume), 622 623 /* Bus interface */ 624 DEVMETHOD(bus_print_child, bus_generic_print_child), 625 DEVMETHOD(bus_alloc_resource, gusc_alloc_resource), 626 DEVMETHOD(bus_release_resource, gusc_release_resource), 627 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 628 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 629 DEVMETHOD(bus_setup_intr, gusc_setup_intr), 630 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), 631 632 { 0, 0 } 633}; 634 635static driver_t gusc_driver = { 636 "gusc", 637 gusc_methods, 638 sizeof(struct gusc_softc), 639}; 640 641/* 642 * gusc can be attached to an isa bus. 643 */ 644DRIVER_MODULE(gusc, isa, gusc_driver, gusc_devclass, 0, 0); 645#endif /* NISA > 0 */ 646 647#endif /* NGUSC > 0 */ 648