Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/pci/neomagic.c
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1 /*- 2 * Copyright (c) 1999 Cameron Grant <cg@freebsd.org> 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 29 #include <dev/sound/pcm/sound.h> 30 #include <dev/sound/pcm/ac97.h> 31 #include <dev/sound/pci/neomagic.h> 32 #include <dev/sound/pci/neomagic-coeff.h> 33 34 #include <dev/pci/pcireg.h> 35 #include <dev/pci/pcivar.h> 36 37 SND_DECLARE_FILE("$FreeBSD$"); 38 39 /* -------------------------------------------------------------------- */ 40 41 #define NM_BUFFSIZE 16384 42 43 #define NM256AV_PCI_ID 0x800510c8 44 #define NM256ZX_PCI_ID 0x800610c8 45 46 struct sc_info; 47 48 /* channel registers */ 49 struct sc_chinfo { 50 int active, spd, dir, fmt; 51 u_int32_t blksize, wmark; 52 struct snd_dbuf *buffer; 53 struct pcm_channel *channel; 54 struct sc_info *parent; 55 }; 56 57 /* device private data */ 58 struct sc_info { 59 device_t dev; 60 u_int32_t type; 61 62 struct resource *reg, *irq, *buf; 63 int regid, irqid, bufid; 64 void *ih; 65 66 u_int32_t ac97_base, ac97_status, ac97_busy; 67 u_int32_t buftop, pbuf, rbuf, cbuf, acbuf; 68 u_int32_t playint, recint, misc1int, misc2int; 69 u_int32_t irsz, badintr; 70 71 struct sc_chinfo pch, rch; 72 }; 73 74 /* -------------------------------------------------------------------- */ 75 76 /* 77 * prototypes 78 */ 79 80 /* stuff */ 81 static int nm_loadcoeff(struct sc_info *sc, int dir, int num); 82 static int nm_setch(struct sc_chinfo *ch); 83 static int nm_init(struct sc_info *); 84 static void nm_intr(void *); 85 86 /* talk to the card */ 87 static u_int32_t nm_rd(struct sc_info *, int, int); 88 static void nm_wr(struct sc_info *, int, u_int32_t, int); 89 static u_int32_t nm_rdbuf(struct sc_info *, int, int); 90 static void nm_wrbuf(struct sc_info *, int, u_int32_t, int); 91 92 static u_int32_t badcards[] = { 93 0x0007103c, 94 0x008f1028, 95 0x00dd1014, 96 0x8005110a, 97 }; 98 #define NUM_BADCARDS (sizeof(badcards) / sizeof(u_int32_t)) 99 100 /* The actual rates supported by the card. */ 101 static int samplerates[9] = { 102 8000, 103 11025, 104 16000, 105 22050, 106 24000, 107 32000, 108 44100, 109 48000, 110 99999999 111 }; 112 113 /* -------------------------------------------------------------------- */ 114 115 static u_int32_t nm_fmt[] = { 116 AFMT_U8, 117 AFMT_STEREO | AFMT_U8, 118 AFMT_S16_LE, 119 AFMT_STEREO | AFMT_S16_LE, 120 0 121 }; 122 static struct pcmchan_caps nm_caps = {4000, 48000, nm_fmt, 0}; 123 124 /* -------------------------------------------------------------------- */ 125 126 /* Hardware */ 127 static u_int32_t 128 nm_rd(struct sc_info *sc, int regno, int size) 129 { 130 bus_space_tag_t st = rman_get_bustag(sc->reg); 131 bus_space_handle_t sh = rman_get_bushandle(sc->reg); 132 133 switch (size) { 134 case 1: 135 return bus_space_read_1(st, sh, regno); 136 case 2: 137 return bus_space_read_2(st, sh, regno); 138 case 4: 139 return bus_space_read_4(st, sh, regno); 140 default: 141 return 0xffffffff; 142 } 143 } 144 145 static void 146 nm_wr(struct sc_info *sc, int regno, u_int32_t data, int size) 147 { 148 bus_space_tag_t st = rman_get_bustag(sc->reg); 149 bus_space_handle_t sh = rman_get_bushandle(sc->reg); 150 151 switch (size) { 152 case 1: 153 bus_space_write_1(st, sh, regno, data); 154 break; 155 case 2: 156 bus_space_write_2(st, sh, regno, data); 157 break; 158 case 4: 159 bus_space_write_4(st, sh, regno, data); 160 break; 161 } 162 } 163 164 static u_int32_t 165 nm_rdbuf(struct sc_info *sc, int regno, int size) 166 { 167 bus_space_tag_t st = rman_get_bustag(sc->buf); 168 bus_space_handle_t sh = rman_get_bushandle(sc->buf); 169 170 switch (size) { 171 case 1: 172 return bus_space_read_1(st, sh, regno); 173 case 2: 174 return bus_space_read_2(st, sh, regno); 175 case 4: 176 return bus_space_read_4(st, sh, regno); 177 default: 178 return 0xffffffff; 179 } 180 } 181 182 static void 183 nm_wrbuf(struct sc_info *sc, int regno, u_int32_t data, int size) 184 { 185 bus_space_tag_t st = rman_get_bustag(sc->buf); 186 bus_space_handle_t sh = rman_get_bushandle(sc->buf); 187 188 switch (size) { 189 case 1: 190 bus_space_write_1(st, sh, regno, data); 191 break; 192 case 2: 193 bus_space_write_2(st, sh, regno, data); 194 break; 195 case 4: 196 bus_space_write_4(st, sh, regno, data); 197 break; 198 } 199 } 200 201 /* -------------------------------------------------------------------- */ 202 /* ac97 codec */ 203 static int 204 nm_waitcd(struct sc_info *sc) 205 { 206 int cnt = 10; 207 int fail = 1; 208 209 while (cnt-- > 0) { 210 if (nm_rd(sc, sc->ac97_status, 2) & sc->ac97_busy) { 211 DELAY(100); 212 } else { 213 fail = 0; 214 break; 215 } 216 } 217 return (fail); 218 } 219 220 static u_int32_t 221 nm_initcd(kobj_t obj, void *devinfo) 222 { 223 struct sc_info *sc = (struct sc_info *)devinfo; 224 225 nm_wr(sc, 0x6c0, 0x01, 1); 226 nm_wr(sc, 0x6cc, 0x87, 1); 227 nm_wr(sc, 0x6cc, 0x80, 1); 228 nm_wr(sc, 0x6cc, 0x00, 1); 229 return 1; 230 } 231 232 static int 233 nm_rdcd(kobj_t obj, void *devinfo, int regno) 234 { 235 struct sc_info *sc = (struct sc_info *)devinfo; 236 u_int32_t x; 237 238 if (!nm_waitcd(sc)) { 239 x = nm_rd(sc, sc->ac97_base + regno, 2); 240 DELAY(1000); 241 return x; 242 } else { 243 device_printf(sc->dev, "ac97 codec not ready\n"); 244 return -1; 245 } 246 } 247 248 static int 249 nm_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data) 250 { 251 struct sc_info *sc = (struct sc_info *)devinfo; 252 int cnt = 3; 253 254 if (!nm_waitcd(sc)) { 255 while (cnt-- > 0) { 256 nm_wr(sc, sc->ac97_base + regno, data, 2); 257 if (!nm_waitcd(sc)) { 258 DELAY(1000); 259 return 0; 260 } 261 } 262 } 263 device_printf(sc->dev, "ac97 codec not ready\n"); 264 return -1; 265 } 266 267 static kobj_method_t nm_ac97_methods[] = { 268 KOBJMETHOD(ac97_init, nm_initcd), 269 KOBJMETHOD(ac97_read, nm_rdcd), 270 KOBJMETHOD(ac97_write, nm_wrcd), 271 { 0, 0 } 272 }; 273 AC97_DECLARE(nm_ac97); 274 275 /* -------------------------------------------------------------------- */ 276 277 static void 278 nm_ackint(struct sc_info *sc, u_int32_t num) 279 { 280 if (sc->type == NM256AV_PCI_ID) { 281 nm_wr(sc, NM_INT_REG, num << 1, 2); 282 } else if (sc->type == NM256ZX_PCI_ID) { 283 nm_wr(sc, NM_INT_REG, num, 4); 284 } 285 } 286 287 static int 288 nm_loadcoeff(struct sc_info *sc, int dir, int num) 289 { 290 int ofs, sz, i; 291 u_int32_t addr; 292 293 addr = (dir == PCMDIR_PLAY)? 0x01c : 0x21c; 294 if (dir == PCMDIR_REC) 295 num += 8; 296 sz = coefficientSizes[num]; 297 ofs = 0; 298 while (num-- > 0) 299 ofs+= coefficientSizes[num]; 300 for (i = 0; i < sz; i++) 301 nm_wrbuf(sc, sc->cbuf + i, coefficients[ofs + i], 1); 302 nm_wr(sc, addr, sc->cbuf, 4); 303 if (dir == PCMDIR_PLAY) 304 sz--; 305 nm_wr(sc, addr + 4, sc->cbuf + sz, 4); 306 return 0; 307 } 308 309 static int 310 nm_setch(struct sc_chinfo *ch) 311 { 312 struct sc_info *sc = ch->parent; 313 u_int32_t base; 314 u_int8_t x; 315 316 for (x = 0; x < 8; x++) 317 if (ch->spd < (samplerates[x] + samplerates[x + 1]) / 2) 318 break; 319 320 if (x == 8) return 1; 321 322 ch->spd = samplerates[x]; 323 nm_loadcoeff(sc, ch->dir, x); 324 325 x <<= 4; 326 x &= NM_RATE_MASK; 327 if (ch->fmt & AFMT_16BIT) x |= NM_RATE_BITS_16; 328 if (ch->fmt & AFMT_STEREO) x |= NM_RATE_STEREO; 329 330 base = (ch->dir == PCMDIR_PLAY)? NM_PLAYBACK_REG_OFFSET : NM_RECORD_REG_OFFSET; 331 nm_wr(sc, base + NM_RATE_REG_OFFSET, x, 1); 332 return 0; 333 } 334 335 /* channel interface */ 336 static void * 337 nmchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) 338 { 339 struct sc_info *sc = devinfo; 340 struct sc_chinfo *ch; 341 u_int32_t chnbuf; 342 343 chnbuf = (dir == PCMDIR_PLAY)? sc->pbuf : sc->rbuf; 344 ch = (dir == PCMDIR_PLAY)? &sc->pch : &sc->rch; 345 ch->active = 0; 346 ch->blksize = 0; 347 ch->wmark = 0; 348 ch->buffer = b; 349 sndbuf_setup(ch->buffer, (u_int8_t *)rman_get_virtual(sc->buf) + chnbuf, NM_BUFFSIZE); 350 if (bootverbose) 351 device_printf(sc->dev, "%s buf %p\n", (dir == PCMDIR_PLAY)? 352 "play" : "rec", sndbuf_getbuf(ch->buffer)); 353 ch->parent = sc; 354 ch->channel = c; 355 ch->dir = dir; 356 return ch; 357 } 358 359 static int 360 nmchan_free(kobj_t obj, void *data) 361 { 362 return 0; 363 } 364 365 static int 366 nmchan_setformat(kobj_t obj, void *data, u_int32_t format) 367 { 368 struct sc_chinfo *ch = data; 369 370 ch->fmt = format; 371 return nm_setch(ch); 372 } 373 374 static int 375 nmchan_setspeed(kobj_t obj, void *data, u_int32_t speed) 376 { 377 struct sc_chinfo *ch = data; 378 379 ch->spd = speed; 380 return nm_setch(ch)? 0 : ch->spd; 381 } 382 383 static int 384 nmchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) 385 { 386 struct sc_chinfo *ch = data; 387 388 ch->blksize = blocksize; 389 390 return blocksize; 391 } 392 393 static int 394 nmchan_trigger(kobj_t obj, void *data, int go) 395 { 396 struct sc_chinfo *ch = data; 397 struct sc_info *sc = ch->parent; 398 int ssz; 399 400 if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) 401 return 0; 402 403 ssz = (ch->fmt & AFMT_16BIT)? 2 : 1; 404 if (ch->fmt & AFMT_STEREO) 405 ssz <<= 1; 406 407 if (ch->dir == PCMDIR_PLAY) { 408 if (go == PCMTRIG_START) { 409 ch->active = 1; 410 ch->wmark = ch->blksize; 411 nm_wr(sc, NM_PBUFFER_START, sc->pbuf, 4); 412 nm_wr(sc, NM_PBUFFER_END, sc->pbuf + NM_BUFFSIZE - ssz, 4); 413 nm_wr(sc, NM_PBUFFER_CURRP, sc->pbuf, 4); 414 nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + ch->wmark, 4); 415 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN | 416 NM_PLAYBACK_ENABLE_FLAG, 1); 417 nm_wr(sc, NM_AUDIO_MUTE_REG, 0, 2); 418 } else { 419 ch->active = 0; 420 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, 0, 1); 421 nm_wr(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH, 2); 422 } 423 } else { 424 if (go == PCMTRIG_START) { 425 ch->active = 1; 426 ch->wmark = ch->blksize; 427 nm_wr(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN | 428 NM_RECORD_ENABLE_FLAG, 1); 429 nm_wr(sc, NM_RBUFFER_START, sc->rbuf, 4); 430 nm_wr(sc, NM_RBUFFER_END, sc->rbuf + NM_BUFFSIZE, 4); 431 nm_wr(sc, NM_RBUFFER_CURRP, sc->rbuf, 4); 432 nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + ch->wmark, 4); 433 } else { 434 ch->active = 0; 435 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1); 436 } 437 } 438 return 0; 439 } 440 441 static int 442 nmchan_getptr(kobj_t obj, void *data) 443 { 444 struct sc_chinfo *ch = data; 445 struct sc_info *sc = ch->parent; 446 447 if (ch->dir == PCMDIR_PLAY) 448 return nm_rd(sc, NM_PBUFFER_CURRP, 4) - sc->pbuf; 449 else 450 return nm_rd(sc, NM_RBUFFER_CURRP, 4) - sc->rbuf; 451 } 452 453 static struct pcmchan_caps * 454 nmchan_getcaps(kobj_t obj, void *data) 455 { 456 return &nm_caps; 457 } 458 459 static kobj_method_t nmchan_methods[] = { 460 KOBJMETHOD(channel_init, nmchan_init), 461 KOBJMETHOD(channel_free, nmchan_free), 462 KOBJMETHOD(channel_setformat, nmchan_setformat), 463 KOBJMETHOD(channel_setspeed, nmchan_setspeed), 464 KOBJMETHOD(channel_setblocksize, nmchan_setblocksize), 465 KOBJMETHOD(channel_trigger, nmchan_trigger), 466 KOBJMETHOD(channel_getptr, nmchan_getptr), 467 KOBJMETHOD(channel_getcaps, nmchan_getcaps), 468 { 0, 0 } 469 }; 470 CHANNEL_DECLARE(nmchan); 471 472 /* The interrupt handler */ 473 static void 474 nm_intr(void *p) 475 { 476 struct sc_info *sc = (struct sc_info *)p; 477 int status, x; 478 479 status = nm_rd(sc, NM_INT_REG, sc->irsz); 480 if (status == 0) 481 return; 482 483 if (status & sc->playint) { 484 status &= ~sc->playint; 485 sc->pch.wmark += sc->pch.blksize; 486 sc->pch.wmark %= NM_BUFFSIZE; 487 nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pch.wmark, 4); 488 489 nm_ackint(sc, sc->playint); 490 chn_intr(sc->pch.channel); 491 } 492 if (status & sc->recint) { 493 status &= ~sc->recint; 494 sc->rch.wmark += sc->rch.blksize; 495 sc->rch.wmark %= NM_BUFFSIZE; 496 nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + sc->rch.wmark, 4); 497 498 nm_ackint(sc, sc->recint); 499 chn_intr(sc->rch.channel); 500 } 501 if (status & sc->misc1int) { 502 status &= ~sc->misc1int; 503 nm_ackint(sc, sc->misc1int); 504 x = nm_rd(sc, 0x400, 1); 505 nm_wr(sc, 0x400, x | 2, 1); 506 device_printf(sc->dev, "misc int 1\n"); 507 } 508 if (status & sc->misc2int) { 509 status &= ~sc->misc2int; 510 nm_ackint(sc, sc->misc2int); 511 x = nm_rd(sc, 0x400, 1); 512 nm_wr(sc, 0x400, x & ~2, 1); 513 device_printf(sc->dev, "misc int 2\n"); 514 } 515 if (status) { 516 nm_ackint(sc, status); 517 device_printf(sc->dev, "unknown int\n"); 518 } 519 } 520 521 /* -------------------------------------------------------------------- */ 522 523 /* 524 * Probe and attach the card 525 */ 526 527 static int 528 nm_init(struct sc_info *sc) 529 { 530 u_int32_t ofs, i; 531 532 if (sc->type == NM256AV_PCI_ID) { 533 sc->ac97_base = NM_MIXER_OFFSET; 534 sc->ac97_status = NM_MIXER_STATUS_OFFSET; 535 sc->ac97_busy = NM_MIXER_READY_MASK; 536 537 sc->buftop = 2560 * 1024; 538 539 sc->irsz = 2; 540 sc->playint = NM_PLAYBACK_INT; 541 sc->recint = NM_RECORD_INT; 542 sc->misc1int = NM_MISC_INT_1; 543 sc->misc2int = NM_MISC_INT_2; 544 } else if (sc->type == NM256ZX_PCI_ID) { 545 sc->ac97_base = NM_MIXER_OFFSET; 546 sc->ac97_status = NM2_MIXER_STATUS_OFFSET; 547 sc->ac97_busy = NM2_MIXER_READY_MASK; 548 549 sc->buftop = (nm_rd(sc, 0xa0b, 2)? 6144 : 4096) * 1024; 550 551 sc->irsz = 4; 552 sc->playint = NM2_PLAYBACK_INT; 553 sc->recint = NM2_RECORD_INT; 554 sc->misc1int = NM2_MISC_INT_1; 555 sc->misc2int = NM2_MISC_INT_2; 556 } else return -1; 557 sc->badintr = 0; 558 ofs = sc->buftop - 0x0400; 559 sc->buftop -= 0x1400; 560 561 if (bootverbose) 562 device_printf(sc->dev, "buftop is 0x%08x\n", sc->buftop); 563 if ((nm_rdbuf(sc, ofs, 4) & NM_SIG_MASK) == NM_SIGNATURE) { 564 i = nm_rdbuf(sc, ofs + 4, 4); 565 if (i != 0 && i != 0xffffffff) { 566 if (bootverbose) 567 device_printf(sc->dev, "buftop is changed to 0x%08x\n", i); 568 sc->buftop = i; 569 } 570 } 571 572 sc->cbuf = sc->buftop - NM_MAX_COEFFICIENT; 573 sc->rbuf = sc->cbuf - NM_BUFFSIZE; 574 sc->pbuf = sc->rbuf - NM_BUFFSIZE; 575 sc->acbuf = sc->pbuf - (NM_TOTAL_COEFF_COUNT * 4); 576 577 nm_wr(sc, 0, 0x11, 1); 578 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1); 579 nm_wr(sc, 0x214, 0, 2); 580 581 return 0; 582 } 583 584 static int 585 nm_pci_probe(device_t dev) 586 { 587 struct sc_info *sc = NULL; 588 char *s = NULL; 589 u_int32_t subdev, i, data; 590 591 subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev); 592 switch (pci_get_devid(dev)) { 593 case NM256AV_PCI_ID: 594 i = 0; 595 while ((i < NUM_BADCARDS) && (badcards[i] != subdev)) 596 i++; 597 598 /* Try to catch other non-ac97 cards */ 599 600 if (i == NUM_BADCARDS) { 601 if (!(sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT | M_ZERO))) { 602 device_printf(dev, "cannot allocate softc\n"); 603 return ENXIO; 604 } 605 606 data = pci_read_config(dev, PCIR_COMMAND, 2); 607 pci_write_config(dev, PCIR_COMMAND, data | 608 PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | 609 PCIM_CMD_BUSMASTEREN, 2); 610 611 sc->regid = PCIR_BAR(1); 612 sc->reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, 613 &sc->regid, 614 RF_ACTIVE); 615 616 if (!sc->reg) { 617 device_printf(dev, "unable to map register space\n"); 618 pci_write_config(dev, PCIR_COMMAND, data, 2); 619 free(sc, M_DEVBUF); 620 return ENXIO; 621 } 622 623 /* 624 * My Panasonic CF-M2EV needs resetting device 625 * before checking mixer is present or not. 626 * t.ichinoseki@nifty.com. 627 */ 628 nm_wr(sc, 0, 0x11, 1); /* reset device */ 629 if ((nm_rd(sc, NM_MIXER_PRESENCE, 2) & 630 NM_PRESENCE_MASK) != NM_PRESENCE_VALUE) { 631 i = 0; /* non-ac97 card, but not listed */ 632 DEB(device_printf(dev, "subdev = 0x%x - badcard?\n", 633 subdev)); 634 } 635 pci_write_config(dev, PCIR_COMMAND, data, 2); 636 bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, 637 sc->reg); 638 free(sc, M_DEVBUF); 639 } 640 641 if (i == NUM_BADCARDS) 642 s = "NeoMagic 256AV"; 643 DEB(else) 644 DEB(device_printf(dev, "this is a non-ac97 NM256AV, not attaching\n")); 645 646 break; 647 648 case NM256ZX_PCI_ID: 649 s = "NeoMagic 256ZX"; 650 break; 651 } 652 653 if (s) device_set_desc(dev, s); 654 return s? 0 : ENXIO; 655 } 656 657 static int 658 nm_pci_attach(device_t dev) 659 { 660 u_int32_t data; 661 struct sc_info *sc; 662 struct ac97_info *codec = 0; 663 char status[SND_STATUSLEN]; 664 665 if ((sc = malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { 666 device_printf(dev, "cannot allocate softc\n"); 667 return ENXIO; 668 } 669 670 sc->dev = dev; 671 sc->type = pci_get_devid(dev); 672 673 data = pci_read_config(dev, PCIR_COMMAND, 2); 674 data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); 675 pci_write_config(dev, PCIR_COMMAND, data, 2); 676 data = pci_read_config(dev, PCIR_COMMAND, 2); 677 678 sc->bufid = PCIR_BAR(0); 679 sc->buf = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->bufid, 680 RF_ACTIVE); 681 sc->regid = PCIR_BAR(1); 682 sc->reg = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &sc->regid, 683 RF_ACTIVE); 684 685 if (!sc->buf || !sc->reg) { 686 device_printf(dev, "unable to map register space\n"); 687 goto bad; 688 } 689 690 if (nm_init(sc) == -1) { 691 device_printf(dev, "unable to initialize the card\n"); 692 goto bad; 693 } 694 695 codec = AC97_CREATE(dev, sc, nm_ac97); 696 if (codec == NULL) goto bad; 697 if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad; 698 699 sc->irqid = 0; 700 sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid, 701 RF_ACTIVE | RF_SHAREABLE); 702 if (!sc->irq || snd_setup_intr(dev, sc->irq, 0, nm_intr, sc, &sc->ih)) { 703 device_printf(dev, "unable to map interrupt\n"); 704 goto bad; 705 } 706 707 snprintf(status, SND_STATUSLEN, "at memory 0x%lx, 0x%lx irq %ld %s", 708 rman_get_start(sc->buf), rman_get_start(sc->reg), 709 rman_get_start(sc->irq),PCM_KLDSTRING(snd_neomagic)); 710 711 if (pcm_register(dev, sc, 1, 1)) goto bad; 712 pcm_addchan(dev, PCMDIR_REC, &nmchan_class, sc); 713 pcm_addchan(dev, PCMDIR_PLAY, &nmchan_class, sc); 714 pcm_setstatus(dev, status); 715 716 return 0; 717 718 bad: 719 if (codec) ac97_destroy(codec); 720 if (sc->buf) bus_release_resource(dev, SYS_RES_MEMORY, sc->bufid, sc->buf); 721 if (sc->reg) bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg); 722 if (sc->ih) bus_teardown_intr(dev, sc->irq, sc->ih); 723 if (sc->irq) bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq); 724 free(sc, M_DEVBUF); 725 return ENXIO; 726 } 727 728 static int 729 nm_pci_detach(device_t dev) 730 { 731 int r; 732 struct sc_info *sc; 733 734 r = pcm_unregister(dev); 735 if (r) 736 return r; 737 738 sc = pcm_getdevinfo(dev); 739 bus_release_resource(dev, SYS_RES_MEMORY, sc->bufid, sc->buf); 740 bus_release_resource(dev, SYS_RES_MEMORY, sc->regid, sc->reg); 741 bus_teardown_intr(dev, sc->irq, sc->ih); 742 bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq); 743 free(sc, M_DEVBUF); 744 745 return 0; 746 } 747 748 static int 749 nm_pci_suspend(device_t dev) 750 { 751 struct sc_info *sc; 752 753 sc = pcm_getdevinfo(dev); 754 755 /* stop playing */ 756 if (sc->pch.active) { 757 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, 0, 1); 758 nm_wr(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH, 2); 759 } 760 /* stop recording */ 761 if (sc->rch.active) { 762 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1); 763 } 764 return 0; 765 } 766 767 static int 768 nm_pci_resume(device_t dev) 769 { 770 struct sc_info *sc; 771 772 sc = pcm_getdevinfo(dev); 773 774 /* 775 * Reinit audio device. 776 * Don't call nm_init(). It would change buftop if X ran or 777 * is running. This makes playing and recording buffer address 778 * shift but these buffers of channel layer are not changed. 779 * As a result of this inconsistency, periodic noise will be 780 * generated while playing. 781 */ 782 nm_wr(sc, 0, 0x11, 1); 783 nm_wr(sc, 0x214, 0, 2); 784 785 /* Reinit mixer */ 786 if (mixer_reinit(dev) == -1) { 787 device_printf(dev, "unable to reinitialize the mixer\n"); 788 return ENXIO; 789 } 790 /* restart playing */ 791 if (sc->pch.active) { 792 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN | 793 NM_PLAYBACK_ENABLE_FLAG, 1); 794 nm_wr(sc, NM_AUDIO_MUTE_REG, 0, 2); 795 } 796 /* restart recording */ 797 if (sc->rch.active) { 798 nm_wr(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN | 799 NM_RECORD_ENABLE_FLAG, 1); 800 } 801 return 0; 802 } 803 804 static device_method_t nm_methods[] = { 805 /* Device interface */ 806 DEVMETHOD(device_probe, nm_pci_probe), 807 DEVMETHOD(device_attach, nm_pci_attach), 808 DEVMETHOD(device_detach, nm_pci_detach), 809 DEVMETHOD(device_suspend, nm_pci_suspend), 810 DEVMETHOD(device_resume, nm_pci_resume), 811 { 0, 0 } 812 }; 813 814 static driver_t nm_driver = { 815 "pcm", 816 nm_methods, 817 PCM_SOFTC_SIZE, 818 }; 819 820 DRIVER_MODULE(snd_neomagic, pci, nm_driver, pcm_devclass, 0, 0); 821 MODULE_DEPEND(snd_neomagic, sound, SOUND_MINVER, SOUND_PREFVER, SOUND_MAXVER); 822 MODULE_VERSION(snd_neomagic, 1);
Cache object: 103cfa2da34d6945674e9cbf7125c695
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