sbc.c revision 331722
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#ifdef HAVE_KERNEL_OPTION_HEADERS 28#include "opt_snd.h" 29#endif 30 31#include <dev/sound/chip.h> 32#include <dev/sound/pcm/sound.h> 33#include <dev/sound/isa/sb.h> 34 35#include <isa/isavar.h> 36 37SND_DECLARE_FILE("$FreeBSD: stable/11/sys/dev/sound/isa/sbc.c 331722 2018-03-29 02:50:57Z eadler $"); 38 39#define IO_MAX 3 40#define IRQ_MAX 1 41#define DRQ_MAX 2 42#define INTR_MAX 2 43 44struct sbc_softc; 45 46struct sbc_ihl { 47 driver_intr_t *intr[INTR_MAX]; 48 void *intr_arg[INTR_MAX]; 49 struct sbc_softc *parent; 50}; 51 52/* Here is the parameter structure per a device. */ 53struct sbc_softc { 54 device_t dev; /* device */ 55 device_t child_pcm, child_midi1, child_midi2; 56 57 int io_rid[IO_MAX]; /* io port rids */ 58 struct resource *io[IO_MAX]; /* io port resources */ 59 int io_alloced[IO_MAX]; /* io port alloc flag */ 60 61 int irq_rid[IRQ_MAX]; /* irq rids */ 62 struct resource *irq[IRQ_MAX]; /* irq resources */ 63 int irq_alloced[IRQ_MAX]; /* irq alloc flag */ 64 65 int drq_rid[DRQ_MAX]; /* drq rids */ 66 struct resource *drq[DRQ_MAX]; /* drq resources */ 67 int drq_alloced[DRQ_MAX]; /* drq alloc flag */ 68 69 struct sbc_ihl ihl[IRQ_MAX]; 70 71 void *ih[IRQ_MAX]; 72 73 struct mtx *lock; 74 75 u_int32_t bd_ver; 76}; 77 78static int sbc_probe(device_t dev); 79static int sbc_attach(device_t dev); 80static void sbc_intr(void *p); 81 82static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 83 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags); 84static int sbc_release_resource(device_t bus, device_t child, int type, int rid, 85 struct resource *r); 86static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq, 87 int flags, 88 driver_filter_t *filter, 89 driver_intr_t *intr, 90 void *arg, void **cookiep); 91static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 92 void *cookie); 93 94static int alloc_resource(struct sbc_softc *scp); 95static int release_resource(struct sbc_softc *scp); 96 97static devclass_t sbc_devclass; 98 99static int io_range[3] = {0x10, 0x2, 0x4}; 100 101#ifdef PC98 /* I/O address table for PC98 */ 102static bus_addr_t pcm_iat[] = { 103 0x000, 0x100, 0x200, 0x300, 0x400, 0x500, 0x600, 0x700, 104 0x800, 0x900, 0xa00, 0xb00, 0xc00, 0xd00, 0xe00, 0xf00 105}; 106static bus_addr_t midi_iat[] = { 107 0x000, 0x100 108}; 109static bus_addr_t opl_iat[] = { 110 0x000, 0x100, 0x200, 0x300 111}; 112static bus_addr_t *sb_iat[] = { pcm_iat, midi_iat, opl_iat }; 113#endif 114 115static int sb_rd(struct resource *io, int reg); 116static void sb_wr(struct resource *io, int reg, u_int8_t val); 117static int sb_dspready(struct resource *io); 118static int sb_cmd(struct resource *io, u_char val); 119static u_int sb_get_byte(struct resource *io); 120static void sb_setmixer(struct resource *io, u_int port, u_int value); 121 122static void 123sbc_lockinit(struct sbc_softc *scp) 124{ 125 scp->lock = snd_mtxcreate(device_get_nameunit(scp->dev), 126 "snd_sbc softc"); 127} 128 129static void 130sbc_lockdestroy(struct sbc_softc *scp) 131{ 132 snd_mtxfree(scp->lock); 133} 134 135void 136sbc_lock(struct sbc_softc *scp) 137{ 138 snd_mtxlock(scp->lock); 139} 140 141void 142sbc_lockassert(struct sbc_softc *scp) 143{ 144 snd_mtxassert(scp->lock); 145} 146 147void 148sbc_unlock(struct sbc_softc *scp) 149{ 150 snd_mtxunlock(scp->lock); 151} 152 153static int 154sb_rd(struct resource *io, int reg) 155{ 156 return bus_space_read_1(rman_get_bustag(io), 157 rman_get_bushandle(io), 158 reg); 159} 160 161static void 162sb_wr(struct resource *io, int reg, u_int8_t val) 163{ 164 bus_space_write_1(rman_get_bustag(io), 165 rman_get_bushandle(io), 166 reg, val); 167} 168 169static int 170sb_dspready(struct resource *io) 171{ 172 return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0); 173} 174 175static int 176sb_dspwr(struct resource *io, u_char val) 177{ 178 int i; 179 180 for (i = 0; i < 1000; i++) { 181 if (sb_dspready(io)) { 182 sb_wr(io, SBDSP_CMD, val); 183 return 1; 184 } 185 if (i > 10) DELAY((i > 100)? 1000 : 10); 186 } 187 printf("sb_dspwr(0x%02x) timed out.\n", val); 188 return 0; 189} 190 191static int 192sb_cmd(struct resource *io, u_char val) 193{ 194 return sb_dspwr(io, val); 195} 196 197static void 198sb_setmixer(struct resource *io, u_int port, u_int value) 199{ 200 u_long flags; 201 202 flags = spltty(); 203 sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */ 204 DELAY(10); 205 sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff)); 206 DELAY(10); 207 splx(flags); 208} 209 210static u_int 211sb_get_byte(struct resource *io) 212{ 213 int i; 214 215 for (i = 1000; i > 0; i--) { 216 if (sb_rd(io, DSP_DATA_AVAIL) & 0x80) 217 return sb_rd(io, DSP_READ); 218 else 219 DELAY(20); 220 } 221 return 0xffff; 222} 223 224static int 225sb_reset_dsp(struct resource *io) 226{ 227 sb_wr(io, SBDSP_RST, 3); 228 DELAY(100); 229 sb_wr(io, SBDSP_RST, 0); 230 return (sb_get_byte(io) == 0xAA)? 0 : ENXIO; 231} 232 233static int 234sb_identify_board(struct resource *io) 235{ 236 int ver, essver, rev; 237 238 sb_cmd(io, DSP_CMD_GETVER); /* Get version */ 239 ver = (sb_get_byte(io) << 8) | sb_get_byte(io); 240 if (ver < 0x100 || ver > 0x4ff) return 0; 241 if (ver == 0x0301) { 242 /* Try to detect ESS chips. */ 243 sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */ 244 essver = (sb_get_byte(io) << 8) | sb_get_byte(io); 245 rev = essver & 0x000f; 246 essver &= 0xfff0; 247 if (essver == 0x4880) ver |= 0x1000; 248 else if (essver == 0x6880) ver = 0x0500 | rev; 249 } 250 return ver; 251} 252 253static struct isa_pnp_id sbc_ids[] = { 254 {0x01008c0e, "Creative ViBRA16C"}, /* CTL0001 */ 255 {0x31008c0e, "Creative SB16/SB32"}, /* CTL0031 */ 256 {0x41008c0e, "Creative SB16/SB32"}, /* CTL0041 */ 257 {0x42008c0e, "Creative SB AWE64"}, /* CTL0042 */ 258 {0x43008c0e, "Creative ViBRA16X"}, /* CTL0043 */ 259 {0x44008c0e, "Creative SB AWE64 Gold"}, /* CTL0044 */ 260 {0x45008c0e, "Creative SB AWE64"}, /* CTL0045 */ 261 {0x46008c0e, "Creative SB AWE64"}, /* CTL0046 */ 262 263 {0x01000000, "Avance Logic ALS100+"}, /* @@@0001 - ViBRA16X clone */ 264 {0x01100000, "Avance Asound 110"}, /* @@@1001 */ 265 {0x01200000, "Avance Logic ALS120"}, /* @@@2001 - ViBRA16X clone */ 266 267 {0x81167316, "ESS ES1681"}, /* ESS1681 */ 268 {0x02017316, "ESS ES1688"}, /* ESS1688 */ 269 {0x68097316, "ESS ES1688"}, /* ESS1688 */ 270 {0x68187316, "ESS ES1868"}, /* ESS1868 */ 271 {0x03007316, "ESS ES1869"}, /* ESS1869 */ 272 {0x69187316, "ESS ES1869"}, /* ESS1869 */ 273 {0xabb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ab */ 274 {0xacb0110e, "ESS ES1869 (Compaq OEM)"}, /* CPQb0ac */ 275 {0x78187316, "ESS ES1878"}, /* ESS1878 */ 276 {0x79187316, "ESS ES1879"}, /* ESS1879 */ 277 {0x88187316, "ESS ES1888"}, /* ESS1888 */ 278 {0x07017316, "ESS ES1888 (DEC OEM)"}, /* ESS0107 */ 279 {0x06017316, "ESS ES1888 (Dell OEM)"}, /* ESS0106 */ 280 {0} 281}; 282 283static int 284sbc_probe(device_t dev) 285{ 286 char *s = NULL; 287 u_int32_t lid, vid; 288 289 lid = isa_get_logicalid(dev); 290 vid = isa_get_vendorid(dev); 291 if (lid) { 292 if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */ 293 return ENXIO; 294 /* Check pnp ids */ 295 return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids); 296 } else { 297 int rid = 0, ver; 298 struct resource *io; 299 300#ifdef PC98 301 io = isa_alloc_resourcev(dev, SYS_RES_IOPORT, &rid, 302 pcm_iat, 16, RF_ACTIVE); 303#else 304 io = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT, &rid, 305 16, RF_ACTIVE); 306#endif 307 if (!io) goto bad; 308#ifdef PC98 309 isa_load_resourcev(io, pcm_iat, 16); 310#endif 311 if (sb_reset_dsp(io)) goto bad2; 312 ver = sb_identify_board(io); 313 if (ver == 0) goto bad2; 314 switch ((ver & 0x00000f00) >> 8) { 315 case 1: 316 device_set_desc(dev, "SoundBlaster 1.0 (not supported)"); 317 s = NULL; 318 break; 319 320 case 2: 321 s = "SoundBlaster 2.0"; 322 break; 323 324 case 3: 325 s = (ver & 0x0000f000)? "ESS 488" : "SoundBlaster Pro"; 326 break; 327 328 case 4: 329 s = "SoundBlaster 16"; 330 break; 331 332 case 5: 333 s = (ver & 0x00000008)? "ESS 688" : "ESS 1688"; 334 break; 335 } 336 if (s) device_set_desc(dev, s); 337bad2: bus_release_resource(dev, SYS_RES_IOPORT, rid, io); 338bad: return s? 0 : ENXIO; 339 } 340} 341 342static int 343sbc_attach(device_t dev) 344{ 345 char *err = NULL; 346 struct sbc_softc *scp; 347 struct sndcard_func *func; 348 u_int32_t logical_id = isa_get_logicalid(dev); 349 int flags = device_get_flags(dev); 350 int f, dh, dl, x, irq, i; 351 352 if (!logical_id && (flags & DV_F_DUAL_DMA)) { 353 bus_set_resource(dev, SYS_RES_DRQ, 1, 354 flags & DV_F_DRQ_MASK, 1); 355 } 356 357 scp = device_get_softc(dev); 358 bzero(scp, sizeof(*scp)); 359 scp->dev = dev; 360 sbc_lockinit(scp); 361 err = "alloc_resource"; 362 if (alloc_resource(scp)) goto bad; 363 364 err = "sb_reset_dsp"; 365 if (sb_reset_dsp(scp->io[0])) goto bad; 366 err = "sb_identify_board"; 367 scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff; 368 if (scp->bd_ver == 0) goto bad; 369 f = 0; 370 if (logical_id == 0x01200000 && scp->bd_ver < 0x0400) scp->bd_ver = 0x0499; 371 switch ((scp->bd_ver & 0x0f00) >> 8) { 372 case 1: /* old sound blaster has nothing... */ 373 break; 374 375 case 2: 376 f |= BD_F_DUP_MIDI; 377 if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335; 378 break; 379 380 case 5: 381 f |= BD_F_ESS; 382 scp->bd_ver = 0x0301; 383 case 3: 384 f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345; 385 break; 386 387 case 4: 388 f |= BD_F_SB16 | BD_F_MIX_CT1745; 389 if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1; 390 if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl; 391 if (!logical_id && (dh < dl)) { 392 struct resource *r; 393 r = scp->drq[0]; 394 scp->drq[0] = scp->drq[1]; 395 scp->drq[1] = r; 396 dl = rman_get_start(scp->drq[0]); 397 dh = rman_get_start(scp->drq[1]); 398 } 399 /* soft irq/dma configuration */ 400 x = -1; 401 irq = rman_get_start(scp->irq[0]); 402#ifdef PC98 403 /* SB16 in PC98 use different IRQ table */ 404 if (irq == 3) x = 1; 405 else if (irq == 5) x = 8; 406 else if (irq == 10) x = 2; 407 else if (irq == 12) x = 4; 408 if (x == -1) { 409 err = "bad irq (3/5/10/12 valid)"; 410 goto bad; 411 } 412 else sb_setmixer(scp->io[0], IRQ_NR, x); 413 /* SB16 in PC98 use different dma setting */ 414 sb_setmixer(scp->io[0], DMA_NR, dh == 0 ? 1 : 2); 415#else 416 if (irq == 5) x = 2; 417 else if (irq == 7) x = 4; 418 else if (irq == 9) x = 1; 419 else if (irq == 10) x = 8; 420 if (x == -1) { 421 err = "bad irq (5/7/9/10 valid)"; 422 goto bad; 423 } 424 else sb_setmixer(scp->io[0], IRQ_NR, x); 425 sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl)); 426#endif 427 if (bootverbose) { 428 device_printf(dev, "setting card to irq %d, drq %d", irq, dl); 429 if (dl != dh) printf(", %d", dh); 430 printf("\n"); 431 } 432 break; 433 } 434 435 switch (logical_id) { 436 case 0x43008c0e: /* CTL0043 */ 437 case 0x01200000: 438 case 0x01000000: 439 f |= BD_F_SB16X; 440 break; 441 } 442 scp->bd_ver |= f << 16; 443 444 err = "setup_intr"; 445 for (i = 0; i < IRQ_MAX; i++) { 446 scp->ihl[i].parent = scp; 447 if (snd_setup_intr(dev, scp->irq[i], 0, sbc_intr, &scp->ihl[i], &scp->ih[i])) 448 goto bad; 449 } 450 451 /* PCM Audio */ 452 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); 453 if (func == NULL) goto bad; 454 func->func = SCF_PCM; 455 scp->child_pcm = device_add_child(dev, "pcm", -1); 456 device_set_ivars(scp->child_pcm, func); 457 458 /* Midi Interface */ 459 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); 460 if (func == NULL) goto bad; 461 func->func = SCF_MIDI; 462 scp->child_midi1 = device_add_child(dev, "midi", -1); 463 device_set_ivars(scp->child_midi1, func); 464 465 /* OPL FM Synthesizer */ 466 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO); 467 if (func == NULL) goto bad; 468 func->func = SCF_SYNTH; 469 scp->child_midi2 = device_add_child(dev, "midi", -1); 470 device_set_ivars(scp->child_midi2, func); 471 472 /* probe/attach kids */ 473 bus_generic_attach(dev); 474 475 return (0); 476 477bad: if (err) device_printf(dev, "%s\n", err); 478 release_resource(scp); 479 return (ENXIO); 480} 481 482static int 483sbc_detach(device_t dev) 484{ 485 struct sbc_softc *scp = device_get_softc(dev); 486 487 sbc_lock(scp); 488 device_delete_child(dev, scp->child_midi2); 489 device_delete_child(dev, scp->child_midi1); 490 device_delete_child(dev, scp->child_pcm); 491 release_resource(scp); 492 sbc_lockdestroy(scp); 493 return bus_generic_detach(dev); 494} 495 496static void 497sbc_intr(void *p) 498{ 499 struct sbc_ihl *ihl = p; 500 int i; 501 502 /* sbc_lock(ihl->parent); */ 503 i = 0; 504 while (i < INTR_MAX) { 505 if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]); 506 i++; 507 } 508 /* sbc_unlock(ihl->parent); */ 509} 510 511static int 512sbc_setup_intr(device_t dev, device_t child, struct resource *irq, int flags, 513 driver_filter_t *filter, 514 driver_intr_t *intr, 515 void *arg, void **cookiep) 516{ 517 struct sbc_softc *scp = device_get_softc(dev); 518 struct sbc_ihl *ihl = NULL; 519 int i, ret; 520 521 if (filter != NULL) { 522 printf("sbc.c: we cannot use a filter here\n"); 523 return (EINVAL); 524 } 525 sbc_lock(scp); 526 i = 0; 527 while (i < IRQ_MAX) { 528 if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 529 i++; 530 } 531 ret = 0; 532 if (ihl == NULL) ret = EINVAL; 533 i = 0; 534 while ((ret == 0) && (i < INTR_MAX)) { 535 if (ihl->intr[i] == NULL) { 536 ihl->intr[i] = intr; 537 ihl->intr_arg[i] = arg; 538 *cookiep = &ihl->intr[i]; 539 ret = -1; 540 } else i++; 541 } 542 sbc_unlock(scp); 543 return (ret > 0)? EINVAL : 0; 544} 545 546static int 547sbc_teardown_intr(device_t dev, device_t child, struct resource *irq, 548 void *cookie) 549{ 550 struct sbc_softc *scp = device_get_softc(dev); 551 struct sbc_ihl *ihl = NULL; 552 int i, ret; 553 554 sbc_lock(scp); 555 i = 0; 556 while (i < IRQ_MAX) { 557 if (irq == scp->irq[i]) ihl = &scp->ihl[i]; 558 i++; 559 } 560 ret = 0; 561 if (ihl == NULL) ret = EINVAL; 562 i = 0; 563 while ((ret == 0) && (i < INTR_MAX)) { 564 if (cookie == &ihl->intr[i]) { 565 ihl->intr[i] = NULL; 566 ihl->intr_arg[i] = NULL; 567 return 0; 568 } else i++; 569 } 570 sbc_unlock(scp); 571 return (ret > 0)? EINVAL : 0; 572} 573 574static struct resource * 575sbc_alloc_resource(device_t bus, device_t child, int type, int *rid, 576 rman_res_t start, rman_res_t end, rman_res_t count, u_int flags) 577{ 578 struct sbc_softc *scp; 579 int *alloced, rid_max, alloced_max; 580 struct resource **res; 581#ifdef PC98 582 int i; 583#endif 584 585 scp = device_get_softc(bus); 586 switch (type) { 587 case SYS_RES_IOPORT: 588 alloced = scp->io_alloced; 589 res = scp->io; 590#ifdef PC98 591 rid_max = 0; 592 for (i = 0; i < IO_MAX; i++) 593 rid_max += io_range[i]; 594#else 595 rid_max = IO_MAX - 1; 596#endif 597 alloced_max = 1; 598 break; 599 case SYS_RES_DRQ: 600 alloced = scp->drq_alloced; 601 res = scp->drq; 602 rid_max = DRQ_MAX - 1; 603 alloced_max = 1; 604 break; 605 case SYS_RES_IRQ: 606 alloced = scp->irq_alloced; 607 res = scp->irq; 608 rid_max = IRQ_MAX - 1; 609 alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */ 610 break; 611 default: 612 return (NULL); 613 } 614 615 if (*rid > rid_max || alloced[*rid] == alloced_max) 616 return (NULL); 617 618 alloced[*rid]++; 619 return (res[*rid]); 620} 621 622static int 623sbc_release_resource(device_t bus, device_t child, int type, int rid, 624 struct resource *r) 625{ 626 struct sbc_softc *scp; 627 int *alloced, rid_max; 628 629 scp = device_get_softc(bus); 630 switch (type) { 631 case SYS_RES_IOPORT: 632 alloced = scp->io_alloced; 633 rid_max = IO_MAX - 1; 634 break; 635 case SYS_RES_DRQ: 636 alloced = scp->drq_alloced; 637 rid_max = DRQ_MAX - 1; 638 break; 639 case SYS_RES_IRQ: 640 alloced = scp->irq_alloced; 641 rid_max = IRQ_MAX - 1; 642 break; 643 default: 644 return (1); 645 } 646 647 if (rid > rid_max || alloced[rid] == 0) 648 return (1); 649 650 alloced[rid]--; 651 return (0); 652} 653 654static int 655sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result) 656{ 657 struct sbc_softc *scp = device_get_softc(bus); 658 struct sndcard_func *func = device_get_ivars(dev); 659 660 switch (index) { 661 case 0: 662 *result = func->func; 663 break; 664 665 case 1: 666 *result = scp->bd_ver; 667 break; 668 669 default: 670 return ENOENT; 671 } 672 673 return 0; 674} 675 676static int 677sbc_write_ivar(device_t bus, device_t dev, 678 int index, uintptr_t value) 679{ 680 switch (index) { 681 case 0: 682 case 1: 683 return EINVAL; 684 685 default: 686 return (ENOENT); 687 } 688} 689 690static int 691alloc_resource(struct sbc_softc *scp) 692{ 693 int i; 694 695 for (i = 0 ; i < IO_MAX ; i++) { 696 if (scp->io[i] == NULL) { 697#ifdef PC98 698 scp->io_rid[i] = i > 0 ? 699 scp->io_rid[i - 1] + io_range[i - 1] : 0; 700 scp->io[i] = isa_alloc_resourcev(scp->dev, 701 SYS_RES_IOPORT, 702 &scp->io_rid[i], 703 sb_iat[i], 704 io_range[i], 705 RF_ACTIVE); 706 if (scp->io[i] != NULL) 707 isa_load_resourcev(scp->io[i], sb_iat[i], 708 io_range[i]); 709#else 710 scp->io_rid[i] = i; 711 scp->io[i] = bus_alloc_resource_anywhere(scp->dev, 712 SYS_RES_IOPORT, 713 &scp->io_rid[i], 714 io_range[i], 715 RF_ACTIVE); 716#endif 717 if (i == 0 && scp->io[i] == NULL) 718 return (1); 719 scp->io_alloced[i] = 0; 720 } 721 } 722 for (i = 0 ; i < DRQ_MAX ; i++) { 723 if (scp->drq[i] == NULL) { 724 scp->drq_rid[i] = i; 725 scp->drq[i] = bus_alloc_resource_any(scp->dev, 726 SYS_RES_DRQ, 727 &scp->drq_rid[i], 728 RF_ACTIVE); 729 if (i == 0 && scp->drq[i] == NULL) 730 return (1); 731 scp->drq_alloced[i] = 0; 732 } 733 } 734 for (i = 0 ; i < IRQ_MAX ; i++) { 735 if (scp->irq[i] == NULL) { 736 scp->irq_rid[i] = i; 737 scp->irq[i] = bus_alloc_resource_any(scp->dev, 738 SYS_RES_IRQ, 739 &scp->irq_rid[i], 740 RF_ACTIVE); 741 if (i == 0 && scp->irq[i] == NULL) 742 return (1); 743 scp->irq_alloced[i] = 0; 744 } 745 } 746 return (0); 747} 748 749static int 750release_resource(struct sbc_softc *scp) 751{ 752 int i; 753 754 for (i = 0 ; i < IO_MAX ; i++) { 755 if (scp->io[i] != NULL) { 756 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]); 757 scp->io[i] = NULL; 758 } 759 } 760 for (i = 0 ; i < DRQ_MAX ; i++) { 761 if (scp->drq[i] != NULL) { 762 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]); 763 scp->drq[i] = NULL; 764 } 765 } 766 for (i = 0 ; i < IRQ_MAX ; i++) { 767 if (scp->irq[i] != NULL) { 768 if (scp->ih[i] != NULL) 769 bus_teardown_intr(scp->dev, scp->irq[i], scp->ih[i]); 770 scp->ih[i] = NULL; 771 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]); 772 scp->irq[i] = NULL; 773 } 774 } 775 return (0); 776} 777 778static device_method_t sbc_methods[] = { 779 /* Device interface */ 780 DEVMETHOD(device_probe, sbc_probe), 781 DEVMETHOD(device_attach, sbc_attach), 782 DEVMETHOD(device_detach, sbc_detach), 783 DEVMETHOD(device_shutdown, bus_generic_shutdown), 784 DEVMETHOD(device_suspend, bus_generic_suspend), 785 DEVMETHOD(device_resume, bus_generic_resume), 786 787 /* Bus interface */ 788 DEVMETHOD(bus_read_ivar, sbc_read_ivar), 789 DEVMETHOD(bus_write_ivar, sbc_write_ivar), 790 DEVMETHOD(bus_alloc_resource, sbc_alloc_resource), 791 DEVMETHOD(bus_release_resource, sbc_release_resource), 792 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), 793 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), 794 DEVMETHOD(bus_setup_intr, sbc_setup_intr), 795 DEVMETHOD(bus_teardown_intr, sbc_teardown_intr), 796 797 DEVMETHOD_END 798}; 799 800static driver_t sbc_driver = { 801 "sbc", 802 sbc_methods, 803 sizeof(struct sbc_softc), 804}; 805 806/* sbc can be attached to an isa bus. */ 807DRIVER_MODULE(snd_sbc, isa, sbc_driver, sbc_devclass, 0, 0); 808DRIVER_MODULE(snd_sbc, acpi, sbc_driver, sbc_devclass, 0, 0); 809MODULE_DEPEND(snd_sbc, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 810MODULE_VERSION(snd_sbc, 1); 811