1 /* 2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 3 * All rights reserved. 4 * 5 * Derived from the public domain Linux driver 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THEPOSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/dev/sound/pci/neomagic.c,v 1.7.2.11 2002/04/22 15:49:32 cg Exp $ 29 * $DragonFly: src/sys/dev/sound/pci/neomagic.c,v 1.3 2003/08/07 21:17:13 dillon Exp $ 30 */ 31 32 #include <dev/sound/pcm/sound.h> 33 #include <dev/sound/pcm/ac97.h> 34 #include <dev/sound/pci/neomagic.h> 35 #include <dev/sound/pci/neomagic-coeff.h> 36 37 #include <bus/pci/pcireg.h> 38 #include <bus/pci/pcivar.h> 39 40 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/pci/neomagic.c,v 1.3 2003/08/07 21:17:13 dillon Exp $"); 41 42 /* -------------------------------------------------------------------- */ 43 44 #define NM_BUFFSIZE 16384 45 46 #define NM256AV_PCI_ID 0x800510c8 47 #define NM256ZX_PCI_ID 0x800610c8 48 49 struct sc_info; 50 51 /* channel registers */ 52 struct sc_chinfo { 53 int active, spd, dir, fmt; 54 u_int32_t blksize, wmark; 55 struct snd_dbuf *buffer; 56 struct pcm_channel *channel; 57 struct sc_info *parent; 58 }; 59 60 /* device private data */ 61 struct sc_info { 62 device_t dev; 63 u_int32_t type; 64 65 struct resource *reg, *irq, *buf; 66 int regid, irqid, bufid; 67 void *ih; 68 69 u_int32_t ac97_base, ac97_status, ac97_busy; 70 u_int32_t buftop, pbuf, rbuf, cbuf, acbuf; 71 u_int32_t playint, recint, misc1int, misc2int; 72 u_int32_t irsz, badintr; 73 74 struct sc_chinfo pch, rch; 75 }; 76 77 /* -------------------------------------------------------------------- */ 78 79 /* 80 * prototypes 81 */ 82 83 /* stuff */ 84 static int nm_loadcoeff(struct sc_info *sc, int dir, int num); 85 static int nm_setch(struct sc_chinfo *ch); 86 static int nm_init(struct sc_info *); 87 static void nm_intr(void *); 88 89 /* talk to the card */ 90 static u_int32_t nm_rd(struct sc_info *, int, int); 91 static void nm_wr(struct sc_info *, int, u_int32_t, int); 92 static u_int32_t nm_rdbuf(struct sc_info *, int, int); 93 static void nm_wrbuf(struct sc_info *, int, u_int32_t, int); 94 95 static u_int32_t badcards[] = { 96 0x0007103c, 97 0x008f1028, 98 0x00dd1014, 99 0x8005110a, 100 }; 101 #define NUM_BADCARDS (sizeof(badcards) / sizeof(u_int32_t)) 102 103 /* The actual rates supported by the card. */ 104 static int samplerates[9] = { 105 8000, 106 11025, 107 16000, 108 22050, 109 24000, 110 32000, 111 44100, 112 48000, 113 99999999 114 }; 115 116 /* -------------------------------------------------------------------- */ 117 118 static u_int32_t nm_fmt[] = { 119 AFMT_U8, 120 AFMT_STEREO | AFMT_U8, 121 AFMT_S16_LE, 122 AFMT_STEREO | AFMT_S16_LE, 123 0 124 }; 125 static struct pcmchan_caps nm_caps = {4000, 48000, nm_fmt, 0}; 126 127 /* -------------------------------------------------------------------- */ 128 129 /* Hardware */ 130 static u_int32_t 131 nm_rd(struct sc_info *sc, int regno, int size) 132 { 133 bus_space_tag_t st = rman_get_bustag(sc->reg); 134 bus_space_handle_t sh = rman_get_bushandle(sc->reg); 135 136 switch (size) { 137 case 1: 138 return bus_space_read_1(st, sh, regno); 139 case 2: 140 return bus_space_read_2(st, sh, regno); 141 case 4: 142 return bus_space_read_4(st, sh, regno); 143 default: 144 return 0xffffffff; 145 } 146 } 147 148 static void 149 nm_wr(struct sc_info *sc, int regno, u_int32_t data, int size) 150 { 151 bus_space_tag_t st = rman_get_bustag(sc->reg); 152 bus_space_handle_t sh = rman_get_bushandle(sc->reg); 153 154 switch (size) { 155 case 1: 156 bus_space_write_1(st, sh, regno, data); 157 break; 158 case 2: 159 bus_space_write_2(st, sh, regno, data); 160 break; 161 case 4: 162 bus_space_write_4(st, sh, regno, data); 163 break; 164 } 165 } 166 167 static u_int32_t 168 nm_rdbuf(struct sc_info *sc, int regno, int size) 169 { 170 bus_space_tag_t st = rman_get_bustag(sc->buf); 171 bus_space_handle_t sh = rman_get_bushandle(sc->buf); 172 173 switch (size) { 174 case 1: 175 return bus_space_read_1(st, sh, regno); 176 case 2: 177 return bus_space_read_2(st, sh, regno); 178 case 4: 179 return bus_space_read_4(st, sh, regno); 180 default: 181 return 0xffffffff; 182 } 183 } 184 185 static void 186 nm_wrbuf(struct sc_info *sc, int regno, u_int32_t data, int size) 187 { 188 bus_space_tag_t st = rman_get_bustag(sc->buf); 189 bus_space_handle_t sh = rman_get_bushandle(sc->buf); 190 191 switch (size) { 192 case 1: 193 bus_space_write_1(st, sh, regno, data); 194 break; 195 case 2: 196 bus_space_write_2(st, sh, regno, data); 197 break; 198 case 4: 199 bus_space_write_4(st, sh, regno, data); 200 break; 201 } 202 } 203 204 /* -------------------------------------------------------------------- */ 205 /* ac97 codec */ 206 static int 207 nm_waitcd(struct sc_info *sc) 208 { 209 int cnt = 10; 210 int fail = 1; 211 212 while (cnt-- > 0) { 213 if (nm_rd(sc, sc->ac97_status, 2) & sc->ac97_busy) { 214 DELAY(100); 215 } else { 216 fail = 0; 217 break; 218 } 219 } 220 return (fail); 221 } 222 223 static u_int32_t 224 nm_initcd(kobj_t obj, void *devinfo) 225 { 226 struct sc_info *sc = (struct sc_info *)devinfo; 227 228 nm_wr(sc, 0x6c0, 0x01, 1); 229 nm_wr(sc, 0x6cc, 0x87, 1); 230 nm_wr(sc, 0x6cc, 0x80, 1); 231 nm_wr(sc, 0x6cc, 0x00, 1); 232 return 1; 233 } 234 235 static int 236 nm_rdcd(kobj_t obj, void *devinfo, int regno) 237 { 238 struct sc_info *sc = (struct sc_info *)devinfo; 239 u_int32_t x; 240 241 if (!nm_waitcd(sc)) { 242 x = nm_rd(sc, sc->ac97_base + regno, 2); 243 DELAY(1000); 244 return x; 245 } else { 246 device_printf(sc->dev, "ac97 codec not ready\n"); 247 return -1; 248 } 249 } 250 251 static int 252 nm_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data) 253 { 254 struct sc_info *sc = (struct sc_info *)devinfo; 255 int cnt = 3; 256 257 if (!nm_waitcd(sc)) { 258 while (cnt-- > 0) { 259 nm_wr(sc, sc->ac97_base + regno, data, 2); 260 if (!nm_waitcd(sc)) { 261 DELAY(1000); 262 return 0; 263 } 264 } 265 } 266 device_printf(sc->dev, "ac97 codec not ready\n"); 267 return -1; 268 } 269 270 static kobj_method_t nm_ac97_methods[] = { 271 KOBJMETHOD(ac97_init, nm_initcd), 272 KOBJMETHOD(ac97_read, nm_rdcd), 273 KOBJMETHOD(ac97_write, nm_wrcd), 274 { 0, 0 } 275 }; 276 AC97_DECLARE(nm_ac97); 277 278 /* -------------------------------------------------------------------- */ 279 280 static void 281 nm_ackint(struct sc_info *sc, u_int32_t num) 282 { 283 if (sc->type == NM256AV_PCI_ID) { 284 nm_wr(sc, NM_INT_REG, num << 1, 2); 285 } else if (sc->type == NM256ZX_PCI_ID) { 286 nm_wr(sc, NM_INT_REG, num, 4); 287 } 288 } 289 290 static int 291 nm_loadcoeff(struct sc_info *sc, int dir, int num) 292 { 293 int ofs, sz, i; 294 u_int32_t addr; 295 296 addr = (dir == PCMDIR_PLAY)? 0x01c : 0x21c; 297 if (dir == PCMDIR_REC) 298 num += 8; 299 sz = coefficientSizes[num]; 300 ofs = 0; 301 while (num-- > 0) 302 ofs+= coefficientSizes[num]; 303 for (i = 0; i < sz; i++) 304 nm_wrbuf(sc, sc->cbuf + i, coefficients[ofs + i], 1); 305 nm_wr(sc, addr, sc->cbuf, 4); 306 if (dir == PCMDIR_PLAY) 307 sz--; 308 nm_wr(sc, addr + 4, sc->cbuf + sz, 4); 309 return 0; 310 } 311 312 static int 313 nm_setch(struct sc_chinfo *ch) 314 { 315 struct sc_info *sc = ch->parent; 316 u_int32_t base; 317 u_int8_t x; 318 319 for (x = 0; x < 8; x++) 320 if (ch->spd < (samplerates[x] + samplerates[x + 1]) / 2) 321 break; 322 323 if (x == 8) return 1; 324 325 ch->spd = samplerates[x]; 326 nm_loadcoeff(sc, ch->dir, x); 327 328 x <<= 4; 329 x &= NM_RATE_MASK; 330 if (ch->fmt & AFMT_16BIT) x |= NM_RATE_BITS_16; 331 if (ch->fmt & AFMT_STEREO) x |= NM_RATE_STEREO; 332 333 base = (ch->dir == PCMDIR_PLAY)? NM_PLAYBACK_REG_OFFSET : NM_RECORD_REG_OFFSET; 334 nm_wr(sc, base + NM_RATE_REG_OFFSET, x, 1); 335 return 0; 336 } 337 338 /* channel interface */ 339 static void * 340 nmchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 341 { 342 struct sc_info *sc = devinfo; 343 struct sc_chinfo *ch; 344 u_int32_t chnbuf; 345 346 chnbuf = (dir == PCMDIR_PLAY)? sc->pbuf : sc->rbuf; 347 ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; 348 ch->active = 0; 349 ch->blksize = 0; 350 ch->wmark = 0; 351 ch->buffer = b; 352 sndbuf_setup(ch->buffer, (u_int8_t *)rman_get_virtual(sc->buf) + chnbuf, NM_BUFFSIZE); 353 if (bootverbose) 354 device_printf(sc->dev, "%s buf %p\n", (dir == PCMDIR_PLAY)? 355 "play" : "rec", sndbuf_getbuf(ch->buffer)); 356 ch->parent = sc; 357 ch->channel = c; 358 ch->dir = dir; 359 return ch; 360 } 361 362 static int 363 nmchan_free(kobj_t obj, void *data) 364 { 365 return 0; 366 } 367 368 static int 369 nmchan_setformat(kobj_t obj, void *data, u_int32_t format) 370 { 371 struct sc_chinfo *ch = data; 372 373 ch->fmt = format; 374 return nm_setch(ch); 375 } 376 377 static int 378 nmchan_setspeed(kobj_t obj, void *data, u_int32_t speed) 379 { 380 struct sc_chinfo *ch = data; 381 382 ch->spd = speed; 383 return nm_setch(ch)? 0 : ch->spd; 384 } 385 386 static int 387 nmchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 388 { 389 struct sc_chinfo *ch = data; 390 391 ch->blksize = blocksize; 392 393 return blocksize; 394 } 395 396 static int 397 nmchan_trigger(kobj_t obj, void *data, int go) 398 { 399 struct sc_chinfo *ch = data; 400 struct sc_info *sc = ch->parent; 401 int ssz; 402 403 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 404 return 0; 405 406 ssz = (ch->fmt & AFMT_16BIT)? 2 : 1; 407 if (ch->fmt & AFMT_STEREO) 408 ssz <<= 1; 409 410 if (ch->dir == PCMDIR_PLAY) { 411 if (go == PCMTRIG_START) { 412 ch->active = 1; 413 ch->wmark = ch->blksize; 414 nm_wr(sc, NM_PBUFFER_START, sc->pbuf, 4); 415 nm_wr(sc, NM_PBUFFER_END, sc->pbuf + NM_BUFFSIZE - ssz, 4); 416 nm_wr(sc, NM_PBUFFER_CURRP, sc->pbuf, 4); 417 nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + ch->wmark, 4); 418 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN | 419 NM_PLAYBACK_ENABLE_FLAG, 1); 420 nm_wr(sc, NM_AUDIO_MUTE_REG, 0, 2); 421 } else { 422 ch->active = 0; 423 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, 0, 1); 424 nm_wr(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH, 2); 425 } 426 } else { 427 if (go == PCMTRIG_START) { 428 ch->active = 1; 429 ch->wmark = ch->blksize; 430 nm_wr(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN | 431 NM_RECORD_ENABLE_FLAG, 1); 432 nm_wr(sc, NM_RBUFFER_START, sc->rbuf, 4); 433 nm_wr(sc, NM_RBUFFER_END, sc->rbuf + NM_BUFFSIZE, 4); 434 nm_wr(sc, NM_RBUFFER_CURRP, sc->rbuf, 4); 435 nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + ch->wmark, 4); 436 } else { 437 ch->active = 0; 438 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1); 439 } 440 } 441 return 0; 442 } 443 444 static int 445 nmchan_getptr(kobj_t obj, void *data) 446 { 447 struct sc_chinfo *ch = data; 448 struct sc_info *sc = ch->parent; 449 450 if (ch->dir == PCMDIR_PLAY) 451 return nm_rd(sc, NM_PBUFFER_CURRP, 4) - sc->pbuf; 452 else 453 return nm_rd(sc, NM_RBUFFER_CURRP, 4) - sc->rbuf; 454 } 455 456 static struct pcmchan_caps * 457 nmchan_getcaps(kobj_t obj, void *data) 458 { 459 return &nm_caps; 460 } 461 462 static kobj_method_t nmchan_methods[] = { 463 KOBJMETHOD(channel_init, nmchan_init), 464 KOBJMETHOD(channel_free, nmchan_free), 465 KOBJMETHOD(channel_setformat, nmchan_setformat), 466 KOBJMETHOD(channel_setspeed, nmchan_setspeed), 467 KOBJMETHOD(channel_setblocksize, nmchan_setblocksize), 468 KOBJMETHOD(channel_trigger, nmchan_trigger), 469 KOBJMETHOD(channel_getptr, nmchan_getptr), 470 KOBJMETHOD(channel_getcaps, nmchan_getcaps), 471 { 0, 0 } 472 }; 473 CHANNEL_DECLARE(nmchan); 474 475 /* The interrupt handler */ 476 static void 477 nm_intr(void *p) 478 { 479 struct sc_info *sc = (struct sc_info *)p; 480 int status, x; 481 482 status = nm_rd(sc, NM_INT_REG, sc->irsz); 483 if (status == 0) 484 return; 485 486 if (status & sc->playint) { 487 status &= ~sc->playint; 488 sc->pch.wmark += sc->pch.blksize; 489 sc->pch.wmark %= NM_BUFFSIZE; 490 nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pch.wmark, 4); 491 492 nm_ackint(sc, sc->playint); 493 chn_intr(sc->pch.channel); 494 } 495 if (status & sc->recint) { 496 status &= ~sc->recint; 497 sc->rch.wmark += sc->rch.blksize; 498 sc->rch.wmark %= NM_BUFFSIZE; 499 nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + sc->rch.wmark, 4); 500 501 nm_ackint(sc, sc->recint); 502 chn_intr(sc->rch.channel); 503 } 504 if (status & sc->misc1int) { 505 status &= ~sc->misc1int; 506 nm_ackint(sc, sc->misc1int); 507 x = nm_rd(sc, 0x400, 1); 508 nm_wr(sc, 0x400, x | 2, 1); 509 device_printf(sc->dev, "misc int 1\n"); 510 } 511 if (status & sc->misc2int) { 512 status &= ~sc->misc2int; 513 nm_ackint(sc, sc->misc2int); 514 x = nm_rd(sc, 0x400, 1); 515 nm_wr(sc, 0x400, x & ~2, 1); 516 device_printf(sc->dev, "misc int 2\n"); 517 } 518 if (status) { 519 nm_ackint(sc, status); 520 device_printf(sc->dev, "unknown int\n"); 521 } 522 } 523 524 /* -------------------------------------------------------------------- */ 525 526 /* 527 * Probe and attach the card 528 */ 529 530 static int 531 nm_init(struct sc_info *sc) 532 { 533 u_int32_t ofs, i; 534 535 if (sc->type == NM256AV_PCI_ID) { 536 sc->ac97_base = NM_MIXER_OFFSET; 537 sc->ac97_status = NM_MIXER_STATUS_OFFSET; 538 sc->ac97_busy = NM_MIXER_READY_MASK; 539 540 sc->buftop = 2560 * 1024; 541 542 sc->irsz = 2; 543 sc->playint = NM_PLAYBACK_INT; 544 sc->recint = NM_RECORD_INT; 545 sc->misc1int = NM_MISC_INT_1; 546 sc->misc2int = NM_MISC_INT_2; 547 } else if (sc->type == NM256ZX_PCI_ID) { 548 sc->ac97_base = NM_MIXER_OFFSET; 549 sc->ac97_status = NM2_MIXER_STATUS_OFFSET; 550 sc->ac97_busy = NM2_MIXER_READY_MASK; 551 552 sc->buftop = (nm_rd(sc, 0xa0b, 2)? 6144 : 4096) * 1024; 553 554 sc->irsz = 4; 555 sc->playint = NM2_PLAYBACK_INT; 556 sc->recint = NM2_RECORD_INT; 557 sc->misc1int = NM2_MISC_INT_1; 558 sc->misc2int = NM2_MISC_INT_2; 559 } else return -1; 560 sc->badintr = 0; 561 ofs = sc->buftop - 0x0400; 562 sc->buftop -= 0x1400; 563 564 if (bootverbose) 565 device_printf(sc->dev, "buftop is 0x%08x\n", sc->buftop); 566 if ((nm_rdbuf(sc, ofs, 4) & NM_SIG_MASK) == NM_SIGNATURE) { 567 i = nm_rdbuf(sc, ofs + 4, 4); 568 if (i != 0 && i != 0xffffffff) { 569 if (bootverbose) 570 device_printf(sc->dev, "buftop is changed to 0x%08x\n", i); 571 sc->buftop = i; 572 } 573 } 574 575 sc->cbuf = sc->buftop - NM_MAX_COEFFICIENT; 576 sc->rbuf = sc->cbuf - NM_BUFFSIZE; 577 sc->pbuf = sc->rbuf - NM_BUFFSIZE; 578 sc->acbuf = sc->pbuf - (NM_TOTAL_COEFF_COUNT * 4); 579 580 nm_wr(sc, 0, 0x11, 1); 581 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1); 582 nm_wr(sc, 0x214, 0, 2); 583 584 return 0; 585 } 586 587 static int 588 nm_pci_probe(device_t dev) 589 { 590 struct sc_info *sc = NULL; 591 char *s = NULL; 592 u_int32_t subdev, i, data; 593 594 subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev); 595 switch (pci_get_devid(dev)) { 596 case NM256AV_PCI_ID: 597 i = 0; 598 while ((i < NUM_BADCARDS) && (badcards[i] != subdev)) 599 i++; 600 601 /* Try to catch other non-ac97 cards */ 602 603 if (i == NUM_BADCARDS) { 604 if (!(sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT | M_ZERO))) { 605 device_printf(dev, "cannot allocate softc\n"); 606 return ENXIO; 607 } 608 609 data = pci_read_config(dev, PCIR_COMMAND, 2); 610 pci_write_config(dev, PCIR_COMMAND, data | 611 PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | 612 PCIM_CMD_BUSMASTEREN, 2); 613 614 sc->regid = PCIR_MAPS + 4; 615 sc->reg = bus_alloc_resource(dev, SYS_RES_MEMORY, 616 &sc->regid, 0, ~0, 1, 617 RF_ACTIVE); 618 619 if (!sc->reg) { 620 device_printf(dev, "unable to map register space\n"); 621 pci_write_config(dev, PCIR_COMMAND, data, 2); 622 free(sc, M_DEVBUF); 623 return ENXIO; 624 } 625 626 /* 627 * My Panasonic CF-M2EV needs resetting device 628 * before checking mixer is present or not. 629 * t.ichinoseki@nifty.com. 630 */ 631 nm_wr(sc, 0, 0x11, 1); /* reset device */ 632 if ((nm_rd(sc, NM_MIXER_PRESENCE, 2) & 633 NM_PRESENCE_MASK) != NM_PRESENCE_VALUE) { 634 i = 0; /* non-ac97 card, but not listed */ 635 DEB(device_printf(dev, "subdev = 0x%x - badcard?\n", 636 subdev)); 637 } 638 pci_write_config(dev, PCIR_COMMAND, data, 2); 639 bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, 640 sc->reg); 641 free(sc, M_DEVBUF); 642 } 643 644 if (i == NUM_BADCARDS) 645 s = "NeoMagic 256AV"; 646 DEB(else) 647 DEB(device_printf(dev, "this is a non-ac97 NM256AV, not attaching\n")); 648 649 break; 650 651 case NM256ZX_PCI_ID: 652 s = "NeoMagic 256ZX"; 653 break; 654 } 655 656 if (s) device_set_desc(dev, s); 657 return s? 0 : ENXIO; 658 } 659 660 static int 661 nm_pci_attach(device_t dev) 662 { 663 u_int32_t data; 664 struct sc_info *sc; 665 struct ac97_info *codec = 0; 666 char status[SND_STATUSLEN]; 667 668 if ((sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { 669 device_printf(dev, "cannot allocate softc\n"); 670 return ENXIO; 671 } 672 673 sc->dev = dev; 674 sc->type = pci_get_devid(dev); 675 676 data = pci_read_config(dev, PCIR_COMMAND, 2); 677 data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 678 pci_write_config(dev, PCIR_COMMAND, data, 2); 679 data = pci_read_config(dev, PCIR_COMMAND, 2); 680 681 sc->bufid = PCIR_MAPS; 682 sc->buf = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->bufid, 683 0, ~0, 1, RF_ACTIVE); 684 sc->regid = PCIR_MAPS + 4; 685 sc->reg = bus_alloc_resource(dev, SYS_RES_MEMORY, &sc->regid, 686 0, ~0, 1, RF_ACTIVE); 687 688 if (!sc->buf || !sc->reg) { 689 device_printf(dev, "unable to map register space\n"); 690 goto bad; 691 } 692 693 if (nm_init(sc) == -1) { 694 device_printf(dev, "unable to initialize the card\n"); 695 goto bad; 696 } 697 698 codec = AC97_CREATE(dev, sc, nm_ac97); 699 if (codec == NULL) goto bad; 700 if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad; 701 702 sc->irqid = 0; 703 sc->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqid, 704 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); 705 if (!sc->irq || snd_setup_intr(dev, sc->irq, 0, nm_intr, sc, &sc->ih)) { 706 device_printf(dev, "unable to map interrupt\n"); 707 goto bad; 708 } 709 710 snprintf(status, SND_STATUSLEN, "at memory 0x%lx, 0x%lx irq %ld", 711 rman_get_start(sc->buf), rman_get_start(sc->reg), 712 rman_get_start(sc->irq)); 713 714 if (pcm_register(dev, sc, 1, 1)) goto bad; 715 pcm_addchan(dev, PCMDIR_REC, &nmchan_class, sc); 716 pcm_addchan(dev, PCMDIR_PLAY, &nmchan_class, sc); 717 pcm_setstatus(dev, status); 718 719 return 0; 720 721 bad: 722 if (codec) ac97_destroy(codec); 723 if (sc->buf) bus_release_resource(dev, SYS_RES_MEMORY, sc->bufid, sc->buf); 724 if (sc->reg) bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg); 725 if (sc->ih) bus_teardown_intr(dev, sc->irq, sc->ih); 726 if (sc->irq) bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq); 727 free(sc, M_DEVBUF); 728 return ENXIO; 729 } 730 731 static int 732 nm_pci_detach(device_t dev) 733 { 734 int r; 735 struct sc_info *sc; 736 737 r = pcm_unregister(dev); 738 if (r) 739 return r; 740 741 sc = pcm_getdevinfo(dev); 742 bus_release_resource(dev, SYS_RES_MEMORY, sc->bufid, sc->buf); 743 bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg); 744 bus_teardown_intr(dev, sc->irq, sc->ih); 745 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq); 746 free(sc, M_DEVBUF); 747 748 return 0; 749 } 750 751 static int 752 nm_pci_suspend(device_t dev) 753 { 754 struct sc_info *sc; 755 756 sc = pcm_getdevinfo(dev); 757 758 /* stop playing */ 759 if (sc->pch.active) { 760 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, 0, 1); 761 nm_wr(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH, 2); 762 } 763 /* stop recording */ 764 if (sc->rch.active) { 765 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1); 766 } 767 return 0; 768 } 769 770 static int 771 nm_pci_resume(device_t dev) 772 { 773 struct sc_info *sc; 774 775 sc = pcm_getdevinfo(dev); 776 777 /* 778 * Reinit audio device. 779 * Don't call nm_init(). It would change buftop if X ran or 780 * is running. This makes playing and recording buffer address 781 * shift but these buffers of channel layer are not changed. 782 * As a result of this inconsistency, periodic noise will be 783 * generated while playing. 784 */ 785 nm_wr(sc, 0, 0x11, 1); 786 nm_wr(sc, 0x214, 0, 2); 787 788 /* Reinit mixer */ 789 if (mixer_reinit(dev) == -1) { 790 device_printf(dev, "unable to reinitialize the mixer\n"); 791 return ENXIO; 792 } 793 /* restart playing */ 794 if (sc->pch.active) { 795 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN | 796 NM_PLAYBACK_ENABLE_FLAG, 1); 797 nm_wr(sc, NM_AUDIO_MUTE_REG, 0, 2); 798 } 799 /* restart recording */ 800 if (sc->rch.active) { 801 nm_wr(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN | 802 NM_RECORD_ENABLE_FLAG, 1); 803 } 804 return 0; 805 } 806 807 static device_method_t nm_methods[] = { 808 /* Device interface */ 809 DEVMETHOD(device_probe, nm_pci_probe), 810 DEVMETHOD(device_attach, nm_pci_attach), 811 DEVMETHOD(device_detach, nm_pci_detach), 812 DEVMETHOD(device_suspend, nm_pci_suspend), 813 DEVMETHOD(device_resume, nm_pci_resume), 814 { 0, 0 } 815 }; 816 817 static driver_t nm_driver = { 818 "pcm", 819 nm_methods, 820 PCM_SOFTC_SIZE, 821 }; 822 823 DRIVER_MODULE(snd_neomagic, pci, nm_driver, pcm_devclass, 0, 0); 824 MODULE_DEPEND(snd_neomagic, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); 825 MODULE_VERSION(snd_neomagic, 1); 826