sbc.c revision 82180
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 27#include <dev/sound/chip.h> 28#include <dev/sound/pcm/sound.h> 29#include <dev/sound/isa/sb.h> 30 31SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/isa/sbc.c 82180 2001-08-23 11:30:52Z cg $"); 32 33#define IO_MAX 3 34#define IRQ_MAX 1 35#define DRQ_MAX 2 36#define INTR_MAX 2 37 38struct sbc_softc; 39 40struct sbc_ihl { 41 driver_intr_t *intr[INTR_MAX]; 42 void *intr_arg[INTR_MAX]; 43 struct sbc_softc *parent; 44}; 45 46/* Here is the parameter structure per a device. */ 47struct sbc_softc { 48 device_t dev; /* device */ 49 device_t child_pcm, child_midi1, child_midi2; 50 51 int io_rid[IO_MAX]; /* io port rids */ 52 struct resource *io[IO_MAX]; /* io port resources */ 53 int io_alloced[IO_MAX]; /* io port alloc flag */ 54 55 int irq_rid[IRQ_MAX]; /* irq rids */ 56 struct resource *irq[IRQ_MAX]; /* irq resources */ 57 int irq_alloced[IRQ_MAX]; /* irq alloc flag */ 58 59 int drq_rid[DRQ_MAX]; /* drq rids */ 60 struct resource *drq[DRQ_MAX]; /* drq resources */ 61 int drq_alloced[DRQ_MAX]; /* drq alloc flag */ 62 63 struct sbc_ihl ihl[IRQ_MAX]; 64 65 void *ih[IRQ_MAX]; 66 67 void *lock; 68 69 u_int32_t bd_ver; 70}; 71 72static int sbc_probe(device_t dev); 73static int sbc_attach(device_t dev); 74static void sbc_intr(void *p); 75 76static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 77 u_long start, u_long end, u_long count, u_int flags); 78static int sbc_release_resource(device_t bus, device_t child, int type, int rid, 79 struct resource *r); 80static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq, 81 int flags, driver_intr_t *intr, void *arg, 82 void **cookiep); 83static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 84 void *cookie); 85 86static int alloc_resource(struct sbc_softc *scp); 87static int release_resource(struct sbc_softc *scp); 88 89static devclass_t sbc_devclass; 90 91static int io_range[3] = {0x10, 0x2, 0x4}; 92 93#ifdef PC98 /* I/O address table for PC98 */ 94static bus_addr_t pcm_iat[] = { 95 0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700, 96 0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00 97}; 98static bus_addr_t midi_iat[] = { 99 0x000, 0x100 100}; 101static bus_addr_t opl_iat[] = { 102 0x000, 0x100, 0x200, 0x300 103}; 104static bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat }; 105#endif 106 107static int sb_rd(struct resource *io, int reg); 108static void sb_wr(struct resource *io, int reg, u_int8_t val); 109static int sb_dspready(struct resource *io); 110static int sb_cmd(struct resource *io, u_char val); 111static u_int sb_get_byte(struct resource *io); 112static void sb_setmixer(struct resource *io, u_int port, u_int value); 113 114static void 115sbc_lockinit(struct sbc_softc *scp) 116{ 117 scp->lock = snd_mtxcreate(device_get_nameunit(scp->dev)); 118} 119 120static void 121sbc_lockdestroy(struct sbc_softc *scp) 122{ 123 snd_mtxfree(scp->lock); 124} 125 126void 127sbc_lock(struct sbc_softc *scp) 128{ 129 snd_mtxlock(scp->lock); 130} 131 132void 133sbc_unlock(struct sbc_softc *scp) 134{ 135 snd_mtxunlock(scp->lock); 136} 137 138static int 139sb_rd(struct resource *io, int reg) 140{ 141 return bus_space_read_1(rman_get_bustag(io), 142 rman_get_bushandle(io), 143 reg); 144} 145 146static void 147sb_wr(struct resource *io, int reg, u_int8_t val) 148{ 149 return bus_space_write_1(rman_get_bustag(io), 150 rman_get_bushandle(io), 151 reg, val); 152} 153 154static int 155sb_dspready(struct resource *io) 156{ 157 return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0); 158} 159 160static int 161sb_dspwr(struct resource *io, u_char val) 162{ 163 int i; 164 165 for (i = 0; i < 1000; i++) { 166 if (sb_dspready(io)) { 167 sb_wr(io, SBDSP_CMD, val); 168 return 1; 169 } 170 if (i > 10) DELAY((i > 100)? 1000 : 10); 171 } 172 printf("sb_dspwr(0x%02x) timed out.\n", val); 173 return 0; 174} 175 176static int 177sb_cmd(struct resource *io, u_char val) 178{ 179 return sb_dspwr(io, val); 180} 181 182static void 183sb_setmixer(struct resource *io, u_int port, u_int value) 184{ 185 u_long flags; 186 187 flags = spltty(); 188 sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 189 DELAY(10); 190 sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff)); 191 DELAY(10); 192 splx(flags); 193} 194 195static u_int 196sb_get_byte(struct resource *io) 197{ 198 int i; 199 200 for (i = 1000; i > 0; i--) { 201 if (sb_rd(io, DSP_DATA_AVAIL) & 0x80) 202 return sb_rd(io, DSP_READ); 203 else 204 DELAY(20); 205 } 206 return 0xffff; 207} 208 209static int 210sb_reset_dsp(struct resource *io) 211{ 212 sb_wr(io, SBDSP_RST, 3); 213 DELAY(100); 214 sb_wr(io, SBDSP_RST, 0); 215 return (sb_get_byte(io) == 0xAA)? 0 : ENXIO; 216} 217 218static int 219sb_identify_board(struct resource *io) 220{ 221 int ver, essver, rev; 222 223 sb_cmd(io, DSP_CMD_GETVER); /* Get version */ 224 ver = (sb_get_byte(io) << 8) | sb_get_byte(io); 225 if (ver < 0x100 || ver > 0x4ff) return 0; 226 if (ver == 0x0301) { 227 /* Try to detect ESS chips. */ 228 sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */ 229 essver = (sb_get_byte(io) << 8) | sb_get_byte(io); 230 rev = essver & 0x000f; 231 essver &= 0xfff0; 232 if (essver == 0x4880) ver |= 0x1000; 233 else if (essver == 0x6880) ver = 0x0500 | rev; 234 } 235 return ver; 236} 237 238static struct isa_pnp_id sbc_ids[] = { 239 {0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */ 240 {0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */ 241 {0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */ 242 {0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */ 243 {0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */ 244 {0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */ 245 {0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */ 246 247 {0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */ 248 {0x01100000, "Avance Asound 110"}, /* @@@1001 */ 249 {0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */ 250 251 {0x81167316, "ESS ES1681"}, /* ESS1681 */ 252 {0x02017316, "ESS ES1688"}, /* ESS1688 */ 253 {0x68187316, "ESS ES1868"}, /* ESS1868 */ 254 {0x03007316, "ESS ES1869"}, /* ESS1869 */ 255 {0x69187316, "ESS ES1869"}, /* ESS1869 */ 256 {0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */ 257 {0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */ 258 {0x78187316, "ESS ES1878"}, /* ESS1878 */ 259 {0x79187316, "ESS ES1879"}, /* ESS1879 */ 260 {0x88187316, "ESS ES1888"}, /* ESS1888 */ 261 {0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */ 262 {0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */ 263 {0} 264}; 265 266static int 267sbc_probe(device_t dev) 268{ 269 char *s = NULL; 270 u_int32_t lid, vid; 271 272 lid = isa_get_logicalid(dev); 273 vid = isa_get_vendorid(dev); 274 if (lid) { 275 if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */ 276 return ENXIO; 277 /* Check pnp ids */ 278 return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids); 279 } else { 280 int rid = 0, ver; 281 struct resource *io; 282 283#ifdef PC98 284 io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, 285 pcm_iat, 16, RF_ACTIVE); 286#else 287 io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 288 0, ~0, 16, RF_ACTIVE); 289#endif 290 if (!io) goto bad; 291#ifdef PC98 292 isa_load_resourcev(io, pcm_iat, 16); 293#endif 294 if (sb_reset_dsp(io)) goto bad2; 295 ver = sb_identify_board(io); 296 if (ver == 0) goto bad2; 297 switch ((ver & 0x00000f00) >> 8) { 298 case 1: 299 device_set_desc(dev, "SoundBlaster 1.0 (not supported)"); 300 s = NULL; 301 break; 302 303 case 2: 304 s = "SoundBlaster 2.0"; 305 break; 306 307 case 3: 308 s = (ver & 0x0000f000)? "ESS 488" : "SoundBlaster Pro"; 309 break; 310 311 case 4: 312 s = "SoundBlaster 16"; 313 break; 314 315 case 5: 316 s = (ver & 0x00000008)? "ESS 688" : "ESS 1688"; 317 break; 318 } 319 if (s) device_set_desc(dev, s); 320bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io); 321bad: return s? 0 : ENXIO; 322 } 323} 324 325static int 326sbc_attach(device_t dev) 327{ 328 char *err = NULL; 329 struct sbc_softc *scp; 330 struct sndcard_func *func; 331 u_int32_t logical_id = isa_get_logicalid(dev); 332 int flags = device_get_flags(dev); 333 int f, dh, dl, x, irq, i; 334 335 if (!logical_id && (flags & DV_F_DUAL_DMA)) { 336 bus_set_resource(dev, SYS_RES_DRQ, 1, 337 flags & DV_F_DRQ_MASK, 1); 338 } 339 340 scp = device_get_softc(dev); 341 bzero(scp, sizeof(*scp)); 342 scp->dev = dev; 343 sbc_lockinit(scp); 344 err = "alloc_resource"; 345 if (alloc_resource(scp)) goto bad; 346 347 err = "sb_reset_dsp"; 348 if (sb_reset_dsp(scp->io[0])) goto bad; 349 err = "sb_identify_board"; 350 scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff; 351 if (scp->bd_ver == 0) goto bad; 352 f = 0; 353 if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499; 354 switch ((scp->bd_ver & 0x0f00) >> 8) { 355 case 1: /* old sound blaster has nothing... */ 356 break; 357 358 case 2: 359 f |= BD_F_DUP_MIDI; 360 if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335; 361 break; 362 363 case 5: 364 f |= BD_F_ESS; 365 scp->bd_ver = 0x0301; 366 case 3: 367 f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345; 368 break; 369 370 case 4: 371 f |= BD_F_SB16 | BD_F_MIX_CT1745; 372 if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1; 373 if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl; 374 if (!logical_id && (dh < dl)) { 375 struct resource *r; 376 r = scp->drq[0]; 377 scp->drq[0] = scp->drq[1]; 378 scp->drq[1] = r; 379 dl = rman_get_start(scp->drq[0]); 380 dh = rman_get_start(scp->drq[1]); 381 } 382 /* soft irq/dma configuration */ 383 x = -1; 384 irq = rman_get_start(scp->irq[0]); 385#ifdef PC98 386 /* SB16 in PC98 use different IRQ table */ 387 if (irq == 3) x = 1; 388 else if (irq == 5) x = 8; 389 else if (irq == 10) x = 2; 390 else if (irq == 12) x = 4; 391 if (x == -1) { 392 err = "bad irq (3/5/10/12 valid)"; 393 goto bad; 394 } 395 else sb_setmixer(scp->io[0], IRQ_NR, x); 396 /* SB16 in PC98 use different dma setting */ 397 sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2); 398#else 399 if (irq == 5) x = 2; 400 else if (irq == 7) x = 4; 401 else if (irq == 9) x = 1; 402 else if (irq == 10) x = 8; 403 if (x == -1) { 404 err = "bad irq (5/7/9/10 valid)"; 405 goto bad; 406 } 407 else sb_setmixer(scp->io[0], IRQ_NR, x); 408 sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl)); 409#endif 410 if (bootverbose) { 411 device_printf(dev, "setting card to irq %d, drq %d", irq, dl); 412 if (dl != dh) printf(", %d", dh); 413 printf("\n"); 414 } 415 break; 416 } 417 418 switch (logical_id) { 419 case 0x43008c0e: /* CTL0043 */ 420 case 0x01200000: 421 case 0x01000000: 422 f |= BD_F_SB16X; 423 break; 424 } 425 scp->bd_ver |= f << 16; 426 427 err = "setup_intr"; 428 for (i = 0; i < IRQ_MAX; i++) { 429 scp->ihl[i].parent = scp; 430 if (snd_setup_intr(dev, scp->irq[i], INTR_MPSAFE, sbc_intr, &scp->ihl[i], &scp->ih[i])) 431 goto bad; 432 } 433 434 /* PCM Audio */ 435 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); 436 if (func == NULL) goto bad; 437 func->func = SCF_PCM; 438 scp->child_pcm = device_add_child(dev, "pcm", -1); 439 device_set_ivars(scp->child_pcm, func); 440 441 /* Midi Interface */ 442 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); 443 if (func == NULL) goto bad; 444 func->func = SCF_MIDI; 445 scp->child_midi1 = device_add_child(dev, "midi", -1); 446 device_set_ivars(scp->child_midi1, func); 447 448 /* OPL FM Synthesizer */ 449 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); 450 if (func == NULL) goto bad; 451 func->func = SCF_SYNTH; 452 scp->child_midi2 = device_add_child(dev, "midi", -1); 453 device_set_ivars(scp->child_midi2, func); 454 455 /* probe/attach kids */ 456 bus_generic_attach(dev); 457 458 return (0); 459 460bad: if (err) device_printf(dev, "%s\n", err); 461 release_resource(scp); 462 return (ENXIO); 463} 464 465static int 466sbc_detach(device_t dev) 467{ 468 struct sbc_softc *scp = device_get_softc(dev); 469 470 sbc_lock(scp); 471 device_delete_child(dev, scp->child_midi2); 472 device_delete_child(dev, scp->child_midi1); 473 device_delete_child(dev, scp->child_pcm); 474 release_resource(scp); 475 sbc_lockdestroy(scp); 476 return bus_generic_detach(dev); 477} 478 479static void 480sbc_intr(void *p) 481{ 482 struct sbc_ihl *ihl = p; 483 int i; 484 485 /* sbc_lock(ihl->parent); */ 486 i = 0; 487 while (i < INTR_MAX) { 488 if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]); 489 i++; 490 } 491 /* sbc_unlock(ihl->parent); */ 492} 493 494static int 495sbc_setup_intr(device_t dev, device_t child, struct resource *irq, 496 int flags, driver_intr_t *intr, void *arg, 497 void **cookiep) 498{ 499 struct sbc_softc *scp = device_get_softc(dev); 500 struct sbc_ihl *ihl = NULL; 501 int i, ret; 502 503 sbc_lock(scp); 504 i = 0; 505 while (i < IRQ_MAX) { 506 if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 507 i++; 508 } 509 ret = 0; 510 if (ihl == NULL) ret = EINVAL; 511 i = 0; 512 while ((ret == 0) && (i < INTR_MAX)) { 513 if (ihl->intr[i] == NULL) { 514 ihl->intr[i] = intr; 515 ihl->intr_arg[i] = arg; 516 *cookiep = &ihl->intr[i]; 517 ret = -1; 518 } else i++; 519 } 520 sbc_unlock(scp); 521 return (ret > 0)? EINVAL : 0; 522} 523 524static int 525sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 526 void *cookie) 527{ 528 struct sbc_softc *scp = device_get_softc(dev); 529 struct sbc_ihl *ihl = NULL; 530 int i, ret; 531 532 sbc_lock(scp); 533 i = 0; 534 while (i < IRQ_MAX) { 535 if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 536 i++; 537 } 538 ret = 0; 539 if (ihl == NULL) ret = EINVAL; 540 i = 0; 541 while ((ret == 0) && (i < INTR_MAX)) { 542 if (cookie == &ihl->intr[i]) { 543 ihl->intr[i] = NULL; 544 ihl->intr_arg[i] = NULL; 545 return 0; 546 } else i++; 547 } 548 sbc_unlock(scp); 549 return (ret > 0)? EINVAL : 0; 550} 551 552static struct resource * 553sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 554 u_long start, u_long end, u_long count, u_int flags) 555{ 556 struct sbc_softc *scp; 557 int *alloced, rid_max, alloced_max; 558 struct resource **res; 559#ifdef PC98 560 int i; 561#endif 562 563 scp = device_get_softc(bus); 564 switch (type) { 565 case SYS_RES_IOPORT: 566 alloced = scp->io_alloced; 567 res = scp->io; 568#ifdef PC98 569 rid_max = 0; 570 for (i = 0; i < IO_MAX; i++) 571 rid_max += io_range[i]; 572#else 573 rid_max = IO_MAX - 1; 574#endif 575 alloced_max = 1; 576 break; 577 case SYS_RES_DRQ: 578 alloced = scp->drq_alloced; 579 res = scp->drq; 580 rid_max = DRQ_MAX - 1; 581 alloced_max = 1; 582 break; 583 case SYS_RES_IRQ: 584 alloced = scp->irq_alloced; 585 res = scp->irq; 586 rid_max = IRQ_MAX - 1; 587 alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */ 588 break; 589 default: 590 return (NULL); 591 } 592 593 if (*rid > rid_max || alloced[*rid] == alloced_max) 594 return (NULL); 595 596 alloced[*rid]++; 597 return (res[*rid]); 598} 599 600static int 601sbc_release_resource(device_t bus, device_t child, int type, int rid, 602 struct resource *r) 603{ 604 struct sbc_softc *scp; 605 int *alloced, rid_max; 606 607 scp = device_get_softc(bus); 608 switch (type) { 609 case SYS_RES_IOPORT: 610 alloced = scp->io_alloced; 611 rid_max = IO_MAX - 1; 612 break; 613 case SYS_RES_DRQ: 614 alloced = scp->drq_alloced; 615 rid_max = DRQ_MAX - 1; 616 break; 617 case SYS_RES_IRQ: 618 alloced = scp->irq_alloced; 619 rid_max = IRQ_MAX - 1; 620 break; 621 default: 622 return (1); 623 } 624 625 if (rid > rid_max || alloced[rid] == 0) 626 return (1); 627 628 alloced[rid]--; 629 return (0); 630} 631 632static int 633sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result) 634{ 635 struct sbc_softc *scp = device_get_softc(bus); 636 struct sndcard_func *func = device_get_ivars(dev); 637 638 switch (index) { 639 case 0: 640 *result = func->func; 641 break; 642 643 case 1: 644 *result = scp->bd_ver; 645 break; 646 647 default: 648 return ENOENT; 649 } 650 651 return 0; 652} 653 654static int 655sbc_write_ivar(device_t bus, device_t dev, 656 int index, uintptr_t value) 657{ 658 switch (index) { 659 case 0: 660 case 1: 661 return EINVAL; 662 663 default: 664 return (ENOENT); 665 } 666} 667 668static int 669alloc_resource(struct sbc_softc *scp) 670{ 671 int i; 672 673 for (i = 0 ; i < IO_MAX ; i++) { 674 if (scp->io[i] == NULL) { 675#ifdef PC98 676 scp->io_rid[i] = i > 0 ? 677 scp->io_rid[i - 1] + io_range[i - 1] : 0; 678 scp->io[i] = isa_alloc_resourcev(scp->dev, 679 SYS_RES_IOPORT, 680 &scp->io_rid[i], 681 sb_iat[i], 682 io_range[i], 683 RF_ACTIVE); 684 if (scp->io[i] != NULL) 685 isa_load_resourcev(scp->io[i], sb_iat[i], 686 io_range[i]); 687#else 688 scp->io_rid[i] = i; 689 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i], 690 0, ~0, io_range[i], RF_ACTIVE); 691#endif 692 if (i == 0 && scp->io[i] == NULL) 693 return (1); 694 scp->io_alloced[i] = 0; 695 } 696 } 697 for (i = 0 ; i < DRQ_MAX ; i++) { 698 if (scp->drq[i] == NULL) { 699 scp->drq_rid[i] = i; 700 scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i], 701 0, ~0, 1, RF_ACTIVE); 702 if (i == 0 && scp->drq[i] == NULL) 703 return (1); 704 scp->drq_alloced[i] = 0; 705 } 706 } 707 for (i = 0 ; i < IRQ_MAX ; i++) { 708 if (scp->irq[i] == NULL) { 709 scp->irq_rid[i] = i; 710 scp->irq[i] = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid[i], 711 0, ~0, 1, RF_ACTIVE); 712 if (i == 0 && scp->irq[i] == NULL) 713 return (1); 714 scp->irq_alloced[i] = 0; 715 } 716 } 717 return (0); 718} 719 720static int 721release_resource(struct sbc_softc *scp) 722{ 723 int i; 724 725 for (i = 0 ; i < IO_MAX ; i++) { 726 if (scp->io[i] != NULL) { 727 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]); 728 scp->io[i] = NULL; 729 } 730 } 731 for (i = 0 ; i < DRQ_MAX ; i++) { 732 if (scp->drq[i] != NULL) { 733 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]); 734 scp->drq[i] = NULL; 735 } 736 } 737 for (i = 0 ; i < IRQ_MAX ; i++) { 738 if (scp->irq[i] != NULL) { 739 if (scp->ih[i] != NULL) 740 bus_teardown_intr(scp->dev, scp->irq[i], scp->ih[i]); 741 scp->ih[i] = NULL; 742 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]); 743 scp->irq[i] = NULL; 744 } 745 } 746 return (0); 747} 748 749static device_method_t sbc_methods[] = { 750 /* Device interface */ 751 DEVMETHOD(device_probe, sbc_probe), 752 DEVMETHOD(device_attach, sbc_attach), 753 DEVMETHOD(device_detach, sbc_detach), 754 DEVMETHOD(device_shutdown, bus_generic_shutdown), 755 DEVMETHOD(device_suspend, bus_generic_suspend), 756 DEVMETHOD(device_resume, bus_generic_resume), 757 758 /* Bus interface */ 759 DEVMETHOD(bus_read_ivar, sbc_read_ivar), 760 DEVMETHOD(bus_write_ivar, sbc_write_ivar), 761 DEVMETHOD(bus_print_child, bus_generic_print_child), 762 DEVMETHOD(bus_alloc_resource, sbc_alloc_resource), 763 DEVMETHOD(bus_release_resource, sbc_release_resource), 764 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 765 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 766 DEVMETHOD(bus_setup_intr, sbc_setup_intr), 767 DEVMETHOD(bus_teardown_intr, sbc_teardown_intr), 768 769 { 0, 0 } 770}; 771 772static driver_t sbc_driver = { 773 "sbc", 774 sbc_methods, 775 sizeof(struct sbc_softc), 776}; 777 778/* sbc can be attached to an isa bus. */ 779DRIVER_MODULE(snd_sbc, isa, sbc_driver, sbc_devclass, 0, 0); 780MODULE_DEPEND(snd_sbc, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 781MODULE_VERSION(snd_sbc, 1); 782