sbc.c revision 70668
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 70668 2001-01-04 17:12:57Z imp $ 27 */ 28 29#include <dev/sound/chip.h> 30#include <dev/sound/pcm/sound.h> 31#include <dev/sound/isa/sb.h> 32 33#define IO_MAX 3 34#define IRQ_MAX 1 35#define DRQ_MAX 2 36#define INTR_MAX 2 37 38struct sbc_ihl { 39 driver_intr_t *intr[INTR_MAX]; 40 void *intr_arg[INTR_MAX]; 41}; 42 43/* Here is the parameter structure per a device. */ 44struct sbc_softc { 45 device_t dev; /* device */ 46 47 int io_rid[IO_MAX]; /* io port rids */ 48 struct resource *io[IO_MAX]; /* io port resources */ 49 int io_alloced[IO_MAX]; /* io port alloc flag */ 50 51 int irq_rid[IRQ_MAX]; /* irq rids */ 52 struct resource *irq[IRQ_MAX]; /* irq resources */ 53 int irq_alloced[IRQ_MAX]; /* irq alloc flag */ 54 55 int drq_rid[DRQ_MAX]; /* drq rids */ 56 struct resource *drq[DRQ_MAX]; /* drq resources */ 57 int drq_alloced[DRQ_MAX]; /* drq alloc flag */ 58 59 struct sbc_ihl ihl[IRQ_MAX]; 60 61 void *ih[IRQ_MAX]; 62 63 u_int32_t bd_ver; 64}; 65 66static int sbc_probe(device_t dev); 67static int sbc_attach(device_t dev); 68static void sbc_intr(void *p); 69 70static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 71 u_long start, u_long end, u_long count, u_int flags); 72static int sbc_release_resource(device_t bus, device_t child, int type, int rid, 73 struct resource *r); 74static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq, 75 int flags, driver_intr_t *intr, void *arg, 76 void **cookiep); 77static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 78 void *cookie); 79 80static int alloc_resource(struct sbc_softc *scp); 81static int release_resource(struct sbc_softc *scp); 82 83static devclass_t sbc_devclass; 84 85static int io_range[3] = {0x10, 0x2, 0x4}; 86 87#ifdef PC98 /* I/O address table for PC98 */ 88static bus_addr_t pcm_iat[] = { 89 0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700, 90 0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00 91}; 92static bus_addr_t midi_iat[] = { 93 0x000, 0x100 94}; 95static bus_addr_t opl_iat[] = { 96 0x000, 0x100, 0x200, 0x300 97}; 98static bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat }; 99#endif 100 101static int sb_rd(struct resource *io, int reg); 102static void sb_wr(struct resource *io, int reg, u_int8_t val); 103static int sb_dspready(struct resource *io); 104static int sb_cmd(struct resource *io, u_char val); 105static u_int sb_get_byte(struct resource *io); 106static void sb_setmixer(struct resource *io, u_int port, u_int value); 107 108static int 109sb_rd(struct resource *io, int reg) 110{ 111 return bus_space_read_1(rman_get_bustag(io), 112 rman_get_bushandle(io), 113 reg); 114} 115 116static void 117sb_wr(struct resource *io, int reg, u_int8_t val) 118{ 119 return bus_space_write_1(rman_get_bustag(io), 120 rman_get_bushandle(io), 121 reg, val); 122} 123 124static int 125sb_dspready(struct resource *io) 126{ 127 return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0); 128} 129 130static int 131sb_dspwr(struct resource *io, u_char val) 132{ 133 int i; 134 135 for (i = 0; i < 1000; i++) { 136 if (sb_dspready(io)) { 137 sb_wr(io, SBDSP_CMD, val); 138 return 1; 139 } 140 if (i > 10) DELAY((i > 100)? 1000 : 10); 141 } 142 printf("sb_dspwr(0x%02x) timed out.\n", val); 143 return 0; 144} 145 146static int 147sb_cmd(struct resource *io, u_char val) 148{ 149 return sb_dspwr(io, val); 150} 151 152static void 153sb_setmixer(struct resource *io, u_int port, u_int value) 154{ 155 u_long flags; 156 157 flags = spltty(); 158 sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 159 DELAY(10); 160 sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff)); 161 DELAY(10); 162 splx(flags); 163} 164 165static u_int 166sb_get_byte(struct resource *io) 167{ 168 int i; 169 170 for (i = 1000; i > 0; i--) { 171 if (sb_rd(io, DSP_DATA_AVAIL) & 0x80) 172 return sb_rd(io, DSP_READ); 173 else 174 DELAY(20); 175 } 176 return 0xffff; 177} 178 179static int 180sb_reset_dsp(struct resource *io) 181{ 182 sb_wr(io, SBDSP_RST, 3); 183 DELAY(100); 184 sb_wr(io, SBDSP_RST, 0); 185 return (sb_get_byte(io) == 0xAA)? 0 : ENXIO; 186} 187 188static int 189sb_identify_board(struct resource *io) 190{ 191 int ver, essver, rev; 192 193 sb_cmd(io, DSP_CMD_GETVER); /* Get version */ 194 ver = (sb_get_byte(io) << 8) | sb_get_byte(io); 195 if (ver < 0x100 || ver > 0x4ff) return 0; 196 if (ver == 0x0301) { 197 /* Try to detect ESS chips. */ 198 sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */ 199 essver = (sb_get_byte(io) << 8) | sb_get_byte(io); 200 rev = essver & 0x000f; 201 essver &= 0xfff0; 202 if (essver == 0x4880) ver |= 0x1000; 203 else if (essver == 0x6880) ver = 0x0500 | rev; 204 } 205 return ver; 206} 207 208static struct isa_pnp_id sbc_ids[] = { 209 {0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */ 210 {0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */ 211 {0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */ 212 {0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */ 213 {0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */ 214 {0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */ 215 {0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */ 216 217 {0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */ 218 {0x01100000, "Avance Asound 110"}, /* @@@1001 */ 219 {0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */ 220 221 {0x81167316, "ESS ES1681"}, /* ESS1681 */ 222 {0x02017316, "ESS ES1688"}, /* ESS1688 */ 223 {0x68187316, "ESS ES1868"}, /* ESS1868 */ 224 {0x03007316, "ESS ES1869"}, /* ESS1869 */ 225 {0x69187316, "ESS ES1869"}, /* ESS1869 */ 226 {0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */ 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 {0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */ 233 {0} 234}; 235 236static int 237sbc_probe(device_t dev) 238{ 239 char *s = NULL; 240 u_int32_t lid, vid; 241 242 lid = isa_get_logicalid(dev); 243 vid = isa_get_vendorid(dev); 244 if (lid) { 245 if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */ 246 return ENXIO; 247 /* Check pnp ids */ 248 return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids); 249 } else { 250 int rid = 0, ver; 251 struct resource *io; 252 253#ifdef PC98 254 io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, 255 pcm_iat, 16, RF_ACTIVE); 256#else 257 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 258 0, ~0, 16, RF_ACTIVE); 259#endif 260 if (!io) goto bad; 261#ifdef PC98 262 isa_load_resourcev(io, pcm_iat, 16); 263#endif 264 if (sb_reset_dsp(io)) goto bad2; 265 ver = sb_identify_board(io); 266 if (ver == 0) goto bad2; 267 switch ((ver & 0x00000f00) >> 8) { 268 case 1: 269 device_set_desc(dev, "SoundBlaster 1.0 (not supported)"); 270 s = NULL; 271 break; 272 273 case 2: 274 s = "SoundBlaster 2.0"; 275 break; 276 277 case 3: 278 s = (ver & 0x0000f000)? "ESS 488" : "SoundBlaster Pro"; 279 break; 280 281 case 4: 282 s = "SoundBlaster 16"; 283 break; 284 285 case 5: 286 s = (ver & 0x00000008)? "ESS 688" : "ESS 1688"; 287 break; 288 } 289 if (s) device_set_desc(dev, s); 290bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io); 291bad: return s? 0 : ENXIO; 292 } 293} 294 295static int 296sbc_attach(device_t dev) 297{ 298 char *err = NULL; 299 struct sbc_softc *scp; 300 struct sndcard_func *func; 301 device_t child; 302 u_int32_t logical_id = isa_get_logicalid(dev); 303 int flags = device_get_flags(dev); 304 int f, dh, dl, x, irq, i; 305 306 if (!logical_id && (flags & DV_F_DUAL_DMA)) { 307 bus_set_resource(dev, SYS_RES_DRQ, 1, 308 flags & DV_F_DRQ_MASK, 1); 309 } 310 311 scp = device_get_softc(dev); 312 bzero(scp, sizeof(*scp)); 313 scp->dev = dev; 314 err = "alloc_resource"; 315 if (alloc_resource(scp)) goto bad; 316 317 err = "sb_reset_dsp"; 318 if (sb_reset_dsp(scp->io[0])) goto bad; 319 err = "sb_identify_board"; 320 scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff; 321 if (scp->bd_ver == 0) goto bad; 322 f = 0; 323 if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499; 324 switch ((scp->bd_ver & 0x0f00) >> 8) { 325 case 1: /* old sound blaster has nothing... */ 326 break; 327 328 case 2: 329 f |= BD_F_DUP_MIDI; 330 if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335; 331 break; 332 333 case 5: 334 f |= BD_F_ESS; 335 scp->bd_ver = 0x0301; 336 case 3: 337 f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345; 338 break; 339 340 case 4: 341 f |= BD_F_SB16 | BD_F_MIX_CT1745; 342 if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1; 343 if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl; 344 if (!logical_id && (dh < dl)) { 345 struct resource *r; 346 r = scp->drq[0]; 347 scp->drq[0] = scp->drq[1]; 348 scp->drq[1] = r; 349 dl = rman_get_start(scp->drq[0]); 350 dh = rman_get_start(scp->drq[1]); 351 } 352 /* soft irq/dma configuration */ 353 x = -1; 354 irq = rman_get_start(scp->irq[0]); 355#ifdef PC98 356 /* SB16 in PC98 use different IRQ table */ 357 if (irq == 3) x = 1; 358 else if (irq == 5) x = 8; 359 else if (irq == 10) x = 2; 360 else if (irq == 12) x = 4; 361 if (x == -1) { 362 err = "bad irq (3/5/10/12 valid)"; 363 goto bad; 364 } 365 else sb_setmixer(scp->io[0], IRQ_NR, x); 366 /* SB16 in PC98 use different dma setting */ 367 sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2); 368#else 369 if (irq == 5) x = 2; 370 else if (irq == 7) x = 4; 371 else if (irq == 9) x = 1; 372 else if (irq == 10) x = 8; 373 if (x == -1) { 374 err = "bad irq (5/7/9/10 valid)"; 375 goto bad; 376 } 377 else sb_setmixer(scp->io[0], IRQ_NR, x); 378 sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl)); 379#endif 380 if (bootverbose) { 381 device_printf(dev, "setting card to irq %d, drq %d", irq, dl); 382 if (dl != dh) printf(", %d", dh); 383 printf("\n"); 384 } 385 break; 386 } 387 388 switch (logical_id) { 389 case 0x43008c0e: /* CTL0043 */ 390 case 0x01200000: 391 case 0x01000000: 392 f |= BD_F_SB16X; 393 break; 394 } 395 scp->bd_ver |= f << 16; 396 397 err = "setup_intr"; 398 for (i = 0; i < IRQ_MAX; i++) { 399 if (bus_setup_intr(dev, scp->irq[i], INTR_TYPE_TTY, sbc_intr, &scp->ihl[i], &scp->ih[i])) 400 goto bad; 401 } 402 403 /* PCM Audio */ 404 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 405 if (func == NULL) goto bad; 406 bzero(func, sizeof(*func)); 407 func->func = SCF_PCM; 408 child = device_add_child(dev, "pcm", -1); 409 device_set_ivars(child, func); 410 411 /* Midi Interface */ 412 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 413 if (func == NULL) goto bad; 414 bzero(func, sizeof(*func)); 415 func->func = SCF_MIDI; 416 child = device_add_child(dev, "midi", -1); 417 device_set_ivars(child, func); 418 419 /* OPL FM Synthesizer */ 420 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT); 421 if (func == NULL) goto bad; 422 bzero(func, sizeof(*func)); 423 func->func = SCF_SYNTH; 424 child = device_add_child(dev, "midi", -1); 425 device_set_ivars(child, func); 426 427 /* probe/attach kids */ 428 bus_generic_attach(dev); 429 430 return (0); 431 432bad: if (err) device_printf(dev, "%s\n", err); 433 release_resource(scp); 434 return (ENXIO); 435} 436 437static int 438sbc_detach(device_t dev) 439{ 440 struct sbc_softc *scp = device_get_softc(dev); 441 442 release_resource(scp); 443 return bus_generic_detach(dev); 444} 445 446static void 447sbc_intr(void *p) 448{ 449 struct sbc_ihl *ihl = p; 450 int i; 451 452 i = 0; 453 while (i < INTR_MAX) { 454 if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]); 455 i++; 456 } 457} 458 459static int 460sbc_setup_intr(device_t dev, device_t child, struct resource *irq, 461 int flags, driver_intr_t *intr, void *arg, 462 void **cookiep) 463{ 464 struct sbc_softc *scp = device_get_softc(dev); 465 struct sbc_ihl *ihl = NULL; 466 int i; 467 468 i = 0; 469 while (i < IRQ_MAX) { 470 if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 471 i++; 472 } 473 if (ihl == NULL) return (EINVAL); 474 i = 0; 475 while (i < INTR_MAX) { 476 if (ihl->intr[i] == NULL) { 477 ihl->intr[i] = intr; 478 ihl->intr_arg[i] = arg; 479 *cookiep = &ihl->intr[i]; 480 return 0; 481 } else i++; 482 } 483 return (EINVAL); 484} 485 486static int 487sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 488 void *cookie) 489{ 490 struct sbc_softc *scp = device_get_softc(dev); 491 struct sbc_ihl *ihl = NULL; 492 int i; 493 494 i = 0; 495 while (i < IRQ_MAX) { 496 if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 497 i++; 498 } 499 if (ihl == NULL) return (EINVAL); 500 i = 0; 501 while (i < INTR_MAX) { 502 if (cookie == &ihl->intr[i]) { 503 ihl->intr[i] = NULL; 504 ihl->intr_arg[i] = NULL; 505 return 0; 506 } else i++; 507 } 508 return (EINVAL); 509} 510 511static struct resource * 512sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 513 u_long start, u_long end, u_long count, u_int flags) 514{ 515 struct sbc_softc *scp; 516 int *alloced, rid_max, alloced_max; 517 struct resource **res; 518#ifdef PC98 519 int i; 520#endif 521 522 scp = device_get_softc(bus); 523 switch (type) { 524 case SYS_RES_IOPORT: 525 alloced = scp->io_alloced; 526 res = scp->io; 527#ifdef PC98 528 rid_max = 0; 529 for (i = 0; i < IO_MAX; i++) 530 rid_max += io_range[i]; 531#else 532 rid_max = IO_MAX - 1; 533#endif 534 alloced_max = 1; 535 break; 536 case SYS_RES_DRQ: 537 alloced = scp->drq_alloced; 538 res = scp->drq; 539 rid_max = DRQ_MAX - 1; 540 alloced_max = 1; 541 break; 542 case SYS_RES_IRQ: 543 alloced = scp->irq_alloced; 544 res = scp->irq; 545 rid_max = IRQ_MAX - 1; 546 alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */ 547 break; 548 default: 549 return (NULL); 550 } 551 552 if (*rid > rid_max || alloced[*rid] == alloced_max) 553 return (NULL); 554 555 alloced[*rid]++; 556 return (res[*rid]); 557} 558 559static int 560sbc_release_resource(device_t bus, device_t child, int type, int rid, 561 struct resource *r) 562{ 563 struct sbc_softc *scp; 564 int *alloced, rid_max; 565 566 scp = device_get_softc(bus); 567 switch (type) { 568 case SYS_RES_IOPORT: 569 alloced = scp->io_alloced; 570 rid_max = IO_MAX - 1; 571 break; 572 case SYS_RES_DRQ: 573 alloced = scp->drq_alloced; 574 rid_max = DRQ_MAX - 1; 575 break; 576 case SYS_RES_IRQ: 577 alloced = scp->irq_alloced; 578 rid_max = IRQ_MAX - 1; 579 break; 580 default: 581 return (1); 582 } 583 584 if (rid > rid_max || alloced[rid] == 0) 585 return (1); 586 587 alloced[rid]--; 588 return (0); 589} 590 591static int 592sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result) 593{ 594 struct sbc_softc *scp = device_get_softc(bus); 595 struct sndcard_func *func = device_get_ivars(dev); 596 597 switch (index) { 598 case 0: 599 *result = func->func; 600 break; 601 602 case 1: 603 *result = scp->bd_ver; 604 break; 605 606 default: 607 return ENOENT; 608 } 609 610 return 0; 611} 612 613static int 614sbc_write_ivar(device_t bus, device_t dev, 615 int index, uintptr_t value) 616{ 617 switch (index) { 618 case 0: 619 case 1: 620 return EINVAL; 621 622 default: 623 return (ENOENT); 624 } 625} 626 627static int 628alloc_resource(struct sbc_softc *scp) 629{ 630 int i; 631 632 for (i = 0 ; i < IO_MAX ; i++) { 633 if (scp->io[i] == NULL) { 634#ifdef PC98 635 scp->io_rid[i] = i > 0 ? 636 scp->io_rid[i - 1] + io_range[i - 1] : 0; 637 scp->io[i] = isa_alloc_resourcev(scp->dev, 638 SYS_RES_IOPORT, 639 &scp->io_rid[i], 640 sb_iat[i], 641 io_range[i], 642 RF_ACTIVE); 643 if (scp->io[i] != NULL) 644 isa_load_resourcev(scp->io[i], sb_iat[i], 645 io_range[i]); 646#else 647 scp->io_rid[i] = i; 648 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i], 649 0, ~0, io_range[i], RF_ACTIVE); 650#endif 651 if (i == 0 && scp->io[i] == NULL) 652 return (1); 653 scp->io_alloced[i] = 0; 654 } 655 } 656 for (i = 0 ; i < DRQ_MAX ; i++) { 657 if (scp->drq[i] == NULL) { 658 scp->drq_rid[i] = i; 659 scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i], 660 0, ~0, 1, RF_ACTIVE); 661 if (i == 0 && scp->drq[i] == NULL) 662 return (1); 663 scp->drq_alloced[i] = 0; 664 } 665 } 666 for (i = 0 ; i < IRQ_MAX ; i++) { 667 if (scp->irq[i] == NULL) { 668 scp->irq_rid[i] = i; 669 scp->irq[i] = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid[i], 670 0, ~0, 1, RF_ACTIVE); 671 if (i == 0 && scp->irq[i] == NULL) 672 return (1); 673 scp->irq_alloced[i] = 0; 674 } 675 } 676 return (0); 677} 678 679static int 680release_resource(struct sbc_softc *scp) 681{ 682 int i; 683 684 for (i = 0 ; i < IO_MAX ; i++) { 685 if (scp->io[i] != NULL) { 686 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]); 687 scp->io[i] = NULL; 688 } 689 } 690 for (i = 0 ; i < DRQ_MAX ; i++) { 691 if (scp->drq[i] != NULL) { 692 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]); 693 scp->drq[i] = NULL; 694 } 695 } 696 for (i = 0 ; i < IRQ_MAX ; i++) { 697 if (scp->irq[i] != NULL) { 698 if (scp->ih[i] != NULL) 699 bus_teardown_intr(scp->dev, scp->irq[i], scp->ih[i]); 700 scp->ih[i] = NULL; 701 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]); 702 scp->irq[i] = NULL; 703 } 704 } 705 return (0); 706} 707 708static device_method_t sbc_methods[] = { 709 /* Device interface */ 710 DEVMETHOD(device_probe, sbc_probe), 711 DEVMETHOD(device_attach, sbc_attach), 712 DEVMETHOD(device_detach, sbc_detach), 713 DEVMETHOD(device_shutdown, bus_generic_shutdown), 714 DEVMETHOD(device_suspend, bus_generic_suspend), 715 DEVMETHOD(device_resume, bus_generic_resume), 716 717 /* Bus interface */ 718 DEVMETHOD(bus_read_ivar, sbc_read_ivar), 719 DEVMETHOD(bus_write_ivar, sbc_write_ivar), 720 DEVMETHOD(bus_print_child, bus_generic_print_child), 721 DEVMETHOD(bus_alloc_resource, sbc_alloc_resource), 722 DEVMETHOD(bus_release_resource, sbc_release_resource), 723 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 724 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 725 DEVMETHOD(bus_setup_intr, sbc_setup_intr), 726 DEVMETHOD(bus_teardown_intr, sbc_teardown_intr), 727 728 { 0, 0 } 729}; 730 731static driver_t sbc_driver = { 732 "sbc", 733 sbc_methods, 734 sizeof(struct sbc_softc), 735}; 736 737/* sbc can be attached to an isa bus. */ 738DRIVER_MODULE(snd_sbc, isa, sbc_driver, sbc_devclass, 0, 0); 739MODULE_DEPEND(snd_sbc, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 740MODULE_VERSION(snd_sbc, 1); 741