sbc.c revision 61061
1/*- 2 * Copyright (c) 1999 Seigo Tanimura 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 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/sys/dev/sound/isa/sbc.c 61061 2000-05-29 07:43:51Z kuriyama $ 27 */ 28 29#include "isa.h" 30 31#include <dev/sound/chip.h> 32#include <dev/sound/pcm/sound.h> 33#include <dev/sound/isa/sb.h> 34 35#define IO_MAX 3 36#define IRQ_MAX 1 37#define DRQ_MAX 2 38#define INTR_MAX 2 39 40struct sbc_ihl { 41 driver_intr_t *intr[INTR_MAX]; 42 void *intr_arg[INTR_MAX]; 43}; 44 45/* Here is the parameter structure per a device. */ 46struct sbc_softc { 47 device_t dev; /* device */ 48 49 int io_rid[IO_MAX]; /* io port rids */ 50 struct resource *io[IO_MAX]; /* io port resources */ 51 int io_alloced[IO_MAX]; /* io port alloc flag */ 52 53 int irq_rid[IRQ_MAX]; /* irq rids */ 54 struct resource *irq[IRQ_MAX]; /* irq resources */ 55 int irq_alloced[IRQ_MAX]; /* irq alloc flag */ 56 57 int drq_rid[DRQ_MAX]; /* drq rids */ 58 struct resource *drq[DRQ_MAX]; /* drq resources */ 59 int drq_alloced[DRQ_MAX]; /* drq alloc flag */ 60 61 struct sbc_ihl ihl[IRQ_MAX]; 62 63 void *ih; 64 65 u_int32_t bd_ver; 66}; 67 68static int sbc_probe(device_t dev); 69static int sbc_attach(device_t dev); 70static void sbc_intr(void *p); 71 72static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 73 u_long start, u_long end, u_long count, u_int flags); 74static int sbc_release_resource(device_t bus, device_t child, int type, int rid, 75 struct resource *r); 76static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq, 77 int flags, driver_intr_t *intr, void *arg, 78 void **cookiep); 79static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 80 void *cookie); 81 82static int alloc_resource(struct sbc_softc *scp); 83static int release_resource(struct sbc_softc *scp); 84 85static devclass_t sbc_devclass; 86 87static int io_range[3] = {0x10, 0x2, 0x4}; 88 89#ifdef PC98 /* I/O address table for PC98 */ 90static bus_addr_t pcm_iat[] = { 91 0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700, 92 0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00 93}; 94static bus_addr_t midi_iat[] = { 95 0x000, 0x100 96}; 97static bus_addr_t opl_iat[] = { 98 0x000, 0x100, 0x200, 0x300 99}; 100static bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat }; 101#endif 102 103static int sb_rd(struct resource *io, int reg); 104static void sb_wr(struct resource *io, int reg, u_int8_t val); 105static int sb_dspready(struct resource *io); 106static int sb_cmd(struct resource *io, u_char val); 107static u_int sb_get_byte(struct resource *io); 108static void sb_setmixer(struct resource *io, u_int port, u_int value); 109 110static int 111sb_rd(struct resource *io, int reg) 112{ 113 return bus_space_read_1(rman_get_bustag(io), 114 rman_get_bushandle(io), 115 reg); 116} 117 118static void 119sb_wr(struct resource *io, int reg, u_int8_t val) 120{ 121 return bus_space_write_1(rman_get_bustag(io), 122 rman_get_bushandle(io), 123 reg, val); 124} 125 126static int 127sb_dspready(struct resource *io) 128{ 129 return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0); 130} 131 132static int 133sb_dspwr(struct resource *io, u_char val) 134{ 135 int i; 136 137 for (i = 0; i < 1000; i++) { 138 if (sb_dspready(io)) { 139 sb_wr(io, SBDSP_CMD, val); 140 return 1; 141 } 142 if (i > 10) DELAY((i > 100)? 1000 : 10); 143 } 144 printf("sb_dspwr(0x%02x) timed out.\n", val); 145 return 0; 146} 147 148static int 149sb_cmd(struct resource *io, u_char val) 150{ 151 return sb_dspwr(io, val); 152} 153 154static void 155sb_setmixer(struct resource *io, u_int port, u_int value) 156{ 157 u_long flags; 158 159 flags = spltty(); 160 sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 161 DELAY(10); 162 sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff)); 163 DELAY(10); 164 splx(flags); 165} 166 167static u_int 168sb_get_byte(struct resource *io) 169{ 170 int i; 171 172 for (i = 1000; i > 0; i--) { 173 if (sb_rd(io, DSP_DATA_AVAIL) & 0x80) 174 return sb_rd(io, DSP_READ); 175 else 176 DELAY(20); 177 } 178 return 0xffff; 179} 180 181static int 182sb_reset_dsp(struct resource *io) 183{ 184 sb_wr(io, SBDSP_RST, 3); 185 DELAY(100); 186 sb_wr(io, SBDSP_RST, 0); 187 return (sb_get_byte(io) == 0xAA)? 0 : ENXIO; 188} 189 190static int 191sb_identify_board(struct resource *io) 192{ 193 int ver, essver, rev; 194 195 sb_cmd(io, DSP_CMD_GETVER); /* Get version */ 196 ver = (sb_get_byte(io) << 8) | sb_get_byte(io); 197 if (ver < 0x100 || ver > 0x4ff) return 0; 198 if (ver == 0x0301) { 199 /* Try to detect ESS chips. */ 200 sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */ 201 essver = (sb_get_byte(io) << 8) | sb_get_byte(io); 202 rev = essver & 0x000f; 203 essver &= 0xfff0; 204 if (essver == 0x4880) ver |= 0x1000; 205 else if (essver == 0x6880) ver = 0x0500 | rev; 206 } 207 return ver; 208} 209 210static struct isa_pnp_id sbc_ids[] = { 211 {0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */ 212 {0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */ 213 {0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */ 214 {0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */ 215 {0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */ 216 {0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */ 217 {0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */ 218 219 {0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */ 220 {0x01100000, "Avance Asound 110"}, /* @@@1001 */ 221 {0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */ 222 223 {0x02017316, "ESS ES1688"}, /* ESS1688 */ 224 {0x68187316, "ESS ES1868"}, /* ESS1868 */ 225 {0x03007316, "ESS ES1869"}, /* ESS1869 */ 226 {0x69187316, "ESS ES1869"}, /* ESS1869 */ 227 {0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */ 228 {0x78187316, "ESS ES1878"}, /* ESS1878 */ 229 {0x79187316, "ESS ES1879"}, /* ESS1879 */ 230 {0x88187316, "ESS ES1888"}, /* ESS1888 */ 231 {0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */ 232 {0} 233}; 234 235static int 236sbc_probe(device_t dev) 237{ 238 char *s = NULL; 239 u_int32_t lid, vid; 240 241 lid = isa_get_logicalid(dev); 242 vid = isa_get_vendorid(dev); 243 if (lid) { 244 if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */ 245 return ENXIO; 246 /* Check pnp ids */ 247 return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids); 248 } else { 249 int rid = 0, ver; 250 struct resource *io; 251 252#ifdef PC98 253 io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, 254 pcm_iat, 16, RF_ACTIVE); 255#else 256 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 257 0, ~0, 16, RF_ACTIVE); 258#endif 259 if (!io) goto bad; 260#ifdef PC98 261 isa_load_resourcev(io, pcm_iat, 16); 262#endif 263 if (sb_reset_dsp(io)) goto bad2; 264 ver = sb_identify_board(io); 265 if (ver == 0) goto bad2; 266 switch ((ver & 0x00000f00) >> 8) { 267 case 1: 268 case 2: 269 s = "Soundblaster"; 270 break; 271 272 case 3: 273 s = (ver & 0x0000f000)? "ESS 488" : "Soundblaster Pro"; 274 break; 275 276 case 4: 277 s = "Soundblaster 16"; 278 break; 279 280 case 5: 281 s = (ver & 0x00000008)? "ESS 688" : "ESS 1688"; 282 break; 283 } 284 if (s) device_set_desc(dev, s); 285bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io); 286bad: return s? 0 : ENXIO; 287 } 288} 289 290static int 291sbc_attach(device_t dev) 292{ 293 char *err = NULL; 294 struct sbc_softc *scp; 295 struct sndcard_func *func; 296 device_t child; 297 u_int32_t logical_id = isa_get_logicalid(dev); 298 int flags = device_get_flags(dev); 299 int f, dh, dl, x, irq, i; 300 301 if (!logical_id && (flags & DV_F_DUAL_DMA)) { 302 bus_set_resource(dev, SYS_RES_DRQ, 1, 303 flags & DV_F_DRQ_MASK, 1); 304 } 305 306 scp = device_get_softc(dev); 307 bzero(scp, sizeof(*scp)); 308 scp->dev = dev; 309 err = "alloc_resource"; 310 if (alloc_resource(scp)) goto bad; 311 312 err = "sb_reset_dsp"; 313 if (sb_reset_dsp(scp->io[0])) goto bad; 314 err = "sb_identify_board"; 315 scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff; 316 if (scp->bd_ver == 0) goto bad; 317 f = 0; 318 if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499; 319 switch ((scp->bd_ver & 0x0f00) >> 8) { 320 case 1: /* old sound blaster has nothing... */ 321 break; 322 323 case 2: 324 f |= BD_F_DUP_MIDI; 325 if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335; 326 break; 327 328 case 5: 329 f |= BD_F_ESS; 330 scp->bd_ver = 0x0301; 331 case 3: 332 f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345; 333 break; 334 335 case 4: 336 f |= BD_F_SB16 | BD_F_MIX_CT1745; 337 if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1; 338 if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl; 339 if (!logical_id && (dh < dl)) { 340 struct resource *r; 341 r = scp->drq[0]; 342 scp->drq[0] = scp->drq[1]; 343 scp->drq[1] = r; 344 dl = rman_get_start(scp->drq[0]); 345 dh = rman_get_start(scp->drq[1]); 346 } 347 /* soft irq/dma configuration */ 348 x = -1; 349 irq = rman_get_start(scp->irq[0]); 350#ifdef PC98 351 /* SB16 in PC98 use different IRQ table */ 352 if (irq == 3) x = 1; 353 else if (irq == 5) x = 8; 354 else if (irq == 10) x = 2; 355 else if (irq == 12) x = 4; 356 if (x == -1) { 357 err = "bad irq (3/5/10/12 valid)"; 358 goto bad; 359 } 360 else sb_setmixer(scp->io[0], IRQ_NR, x); 361 /* SB16 in PC98 use different dma setting */ 362 sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2); 363#else 364 if (irq == 5) x = 2; 365 else if (irq == 7) x = 4; 366 else if (irq == 9) x = 1; 367 else if (irq == 10) x = 8; 368 if (x == -1) { 369 err = "bad irq (5/7/9/10 valid)"; 370 goto bad; 371 } 372 else sb_setmixer(scp->io[0], IRQ_NR, x); 373 sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl)); 374#endif 375 device_printf(dev, "setting card to irq %d, drq %d", irq, dl); 376 if (dl != dh) printf(", %d", dh); 377 printf("\n"); 378 break; 379 } 380 381 switch (logical_id) { 382 case 0x43008c0e: /* CTL0043 */ 383 case 0x01200000: 384 case 0x01000000: 385 f |= BD_F_SB16X; 386 break; 387 } 388 scp->bd_ver |= f << 16; 389 390 err = "setup_intr"; 391 for (i = 0; i < IRQ_MAX; i++) { 392 if (bus_setup_intr(dev, scp->irq[i], INTR_TYPE_TTY, sbc_intr, &scp->ihl[i], &scp->ih)) 393 goto bad; 394 } 395 396 /* PCM Audio */ 397 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 398 if (func == NULL) goto bad; 399 bzero(func, sizeof(*func)); 400 func->func = SCF_PCM; 401 child = device_add_child(dev, "pcm", -1); 402 device_set_ivars(child, func); 403 404#if notyet 405 /* Midi Interface */ 406 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 407 if (func == NULL) goto bad; 408 bzero(func, sizeof(*func)); 409 func->func = SCF_MIDI; 410 child = device_add_child(dev, "midi", -1); 411 device_set_ivars(child, func); 412 413 /* OPL FM Synthesizer */ 414 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 415 if (func == NULL) goto bad; 416 bzero(func, sizeof(*func)); 417 func->func = SCF_SYNTH; 418 child = device_add_child(dev, "midi", -1); 419 device_set_ivars(child, func); 420#endif /* notyet */ 421 422 /* probe/attach kids */ 423 bus_generic_attach(dev); 424 425 return (0); 426 427bad: if (err) device_printf(dev, "%s\n", err); 428 release_resource(scp); 429 return (ENXIO); 430} 431 432static void 433sbc_intr(void *p) 434{ 435 struct sbc_ihl *ihl = p; 436 int i; 437 438 i = 0; 439 while (i < INTR_MAX) { 440 if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]); 441 i++; 442 } 443} 444 445static int 446sbc_setup_intr(device_t dev, device_t child, struct resource *irq, 447 int flags, driver_intr_t *intr, void *arg, 448 void **cookiep) 449{ 450 struct sbc_softc *scp = device_get_softc(dev); 451 struct sbc_ihl *ihl = NULL; 452 int i; 453 454 i = 0; 455 while (i < IRQ_MAX) { 456 if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 457 i++; 458 } 459 if (ihl == NULL) return (EINVAL); 460 i = 0; 461 while (i < INTR_MAX) { 462 if (ihl->intr[i] == NULL) { 463 ihl->intr[i] = intr; 464 ihl->intr_arg[i] = arg; 465 *cookiep = &ihl->intr[i]; 466 return 0; 467 } else i++; 468 } 469 return (EINVAL); 470} 471 472static int 473sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 474 void *cookie) 475{ 476 struct sbc_softc *scp = device_get_softc(dev); 477 struct sbc_ihl *ihl = NULL; 478 int i; 479 480 i = 0; 481 while (i < IRQ_MAX) { 482 if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 483 i++; 484 } 485 if (ihl == NULL) return (EINVAL); 486 i = 0; 487 while (i < INTR_MAX) { 488 if (cookie == &ihl->intr[i]) { 489 ihl->intr[i] = NULL; 490 ihl->intr_arg[i] = NULL; 491 return 0; 492 } else i++; 493 } 494 return (EINVAL); 495} 496 497static struct resource * 498sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 499 u_long start, u_long end, u_long count, u_int flags) 500{ 501 struct sbc_softc *scp; 502 int *alloced, rid_max, alloced_max; 503 struct resource **res; 504#ifdef PC98 505 int i; 506#endif 507 508 scp = device_get_softc(bus); 509 switch (type) { 510 case SYS_RES_IOPORT: 511 alloced = scp->io_alloced; 512 res = scp->io; 513#ifdef PC98 514 rid_max = 0; 515 for (i = 0; i < IO_MAX; i++) 516 rid_max += io_range[i]; 517#else 518 rid_max = IO_MAX - 1; 519#endif 520 alloced_max = 1; 521 break; 522 case SYS_RES_DRQ: 523 alloced = scp->drq_alloced; 524 res = scp->drq; 525 rid_max = DRQ_MAX - 1; 526 alloced_max = 1; 527 break; 528 case SYS_RES_IRQ: 529 alloced = scp->irq_alloced; 530 res = scp->irq; 531 rid_max = IRQ_MAX - 1; 532 alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */ 533 break; 534 default: 535 return (NULL); 536 } 537 538 if (*rid > rid_max || alloced[*rid] == alloced_max) 539 return (NULL); 540 541 alloced[*rid]++; 542 return (res[*rid]); 543} 544 545static int 546sbc_release_resource(device_t bus, device_t child, int type, int rid, 547 struct resource *r) 548{ 549 struct sbc_softc *scp; 550 int *alloced, rid_max; 551 552 scp = device_get_softc(bus); 553 switch (type) { 554 case SYS_RES_IOPORT: 555 alloced = scp->io_alloced; 556 rid_max = IO_MAX - 1; 557 break; 558 case SYS_RES_DRQ: 559 alloced = scp->drq_alloced; 560 rid_max = DRQ_MAX - 1; 561 break; 562 case SYS_RES_IRQ: 563 alloced = scp->irq_alloced; 564 rid_max = IRQ_MAX - 1; 565 break; 566 default: 567 return (1); 568 } 569 570 if (rid > rid_max || alloced[rid] == 0) 571 return (1); 572 573 alloced[rid]--; 574 return (0); 575} 576 577static int 578sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result) 579{ 580 struct sbc_softc *scp = device_get_softc(bus); 581 struct sndcard_func *func = device_get_ivars(dev); 582 583 switch (index) { 584 case 0: 585 *result = func->func; 586 break; 587 588 case 1: 589 *result = scp->bd_ver; 590 break; 591 592 default: 593 return ENOENT; 594 } 595 596 return 0; 597} 598 599static int 600sbc_write_ivar(device_t bus, device_t dev, 601 int index, uintptr_t value) 602{ 603 switch (index) { 604 case 0: 605 case 1: 606 return EINVAL; 607 608 default: 609 return (ENOENT); 610 } 611} 612 613static int 614alloc_resource(struct sbc_softc *scp) 615{ 616 int i; 617 618 for (i = 0 ; i < IO_MAX ; i++) { 619 if (scp->io[i] == NULL) { 620#ifdef PC98 621 scp->io_rid[i] = i > 0 ? 622 scp->io_rid[i - 1] + io_range[i - 1] : 0; 623 scp->io[i] = isa_alloc_resourcev(scp->dev, 624 SYS_RES_IOPORT, 625 &scp->io_rid[i], 626 sb_iat[i], 627 io_range[i], 628 RF_ACTIVE); 629 if (scp->io[i] != NULL) 630 isa_load_resourcev(scp->io[i], sb_iat[i], 631 io_range[i]); 632#else 633 scp->io_rid[i] = i; 634 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i], 635 0, ~0, io_range[i], RF_ACTIVE); 636#endif 637 if (i == 0 && scp->io[i] == NULL) 638 return (1); 639 scp->io_alloced[i] = 0; 640 } 641 } 642 for (i = 0 ; i < DRQ_MAX ; i++) { 643 if (scp->drq[i] == NULL) { 644 scp->drq_rid[i] = i; 645 scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i], 646 0, ~0, 1, RF_ACTIVE); 647 if (i == 0 && scp->drq[i] == NULL) 648 return (1); 649 scp->drq_alloced[i] = 0; 650 } 651 } 652 for (i = 0 ; i < IRQ_MAX ; i++) { 653 if (scp->irq[i] == NULL) { 654 scp->irq_rid[i] = i; 655 scp->irq[i] = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid[i], 656 0, ~0, 1, RF_ACTIVE); 657 if (i == 0 && scp->irq[i] == NULL) 658 return (1); 659 scp->irq_alloced[i] = 0; 660 } 661 } 662 return (0); 663} 664 665static int 666release_resource(struct sbc_softc *scp) 667{ 668 int i; 669 670 for (i = 0 ; i < IO_MAX ; i++) { 671 if (scp->io[i] != NULL) { 672 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]); 673 scp->io[i] = NULL; 674 } 675 } 676 for (i = 0 ; i < DRQ_MAX ; i++) { 677 if (scp->drq[i] != NULL) { 678 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]); 679 scp->drq[i] = NULL; 680 } 681 } 682 for (i = 0 ; i < IRQ_MAX ; i++) { 683 if (scp->irq[i] != NULL) { 684 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]); 685 scp->irq[i] = NULL; 686 } 687 } 688 return (0); 689} 690 691static device_method_t sbc_methods[] = { 692 /* Device interface */ 693 DEVMETHOD(device_probe, sbc_probe), 694 DEVMETHOD(device_attach, sbc_attach), 695 DEVMETHOD(device_detach, bus_generic_detach), 696 DEVMETHOD(device_shutdown, bus_generic_shutdown), 697 DEVMETHOD(device_suspend, bus_generic_suspend), 698 DEVMETHOD(device_resume, bus_generic_resume), 699 700 /* Bus interface */ 701 DEVMETHOD(bus_read_ivar, sbc_read_ivar), 702 DEVMETHOD(bus_write_ivar, sbc_write_ivar), 703 DEVMETHOD(bus_print_child, bus_generic_print_child), 704 DEVMETHOD(bus_alloc_resource, sbc_alloc_resource), 705 DEVMETHOD(bus_release_resource, sbc_release_resource), 706 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 707 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 708 DEVMETHOD(bus_setup_intr, sbc_setup_intr), 709 DEVMETHOD(bus_teardown_intr, sbc_teardown_intr), 710 711 { 0, 0 } 712}; 713 714static driver_t sbc_driver = { 715 "sbc", 716 sbc_methods, 717 sizeof(struct sbc_softc), 718}; 719 720/* sbc can be attached to an isa bus. */ 721DRIVER_MODULE(sbc, isa, sbc_driver, sbc_devclass, 0, 0); 722