1 /* $OpenBSD: neo.c,v 1.29 2013/11/15 16:46:27 brad Exp $ */ 2 3 /* 4 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk> 5 * All rights reserved. 6 * 7 * Derived from the public domain Linux driver 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $FreeBSD: src/sys/dev/sound/pci/neomagic.c,v 1.8 2000/03/20 15:30:50 cg Exp $ 31 */ 32 33 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/malloc.h> 39 #include <sys/device.h> 40 41 #include <dev/pci/pcidevs.h> 42 #include <dev/pci/pcivar.h> 43 44 #include <sys/audioio.h> 45 #include <dev/audio_if.h> 46 #include <dev/mulaw.h> 47 #include <dev/auconv.h> 48 #include <dev/ic/ac97.h> 49 50 #include <dev/pci/neoreg.h> 51 52 /* -------------------------------------------------------------------- */ 53 /* 54 * As of 04/13/00, public documentation on the Neomagic 256 is not available. 55 * These comments were gleaned by looking at the driver carefully. 56 * 57 * The Neomagic 256 AV/ZX chips provide both video and audio capabilities 58 * on one chip. About 2-6 megabytes of memory are associated with 59 * the chip. Most of this goes to video frame buffers, but some is used for 60 * audio buffering. 61 * 62 * Unlike most PCI audio chips, the Neomagic chip does not rely on DMA. 63 * Instead, the chip allows you to carve two ring buffers out of its 64 * memory. How you carve this and how much you can carve seems to be 65 * voodoo. The algorithm is in nm_init. 66 * 67 * Most Neomagic audio chips use the AC-97 codec interface. However, there 68 * seem to be a select few chips 256AV chips that do not support AC-97. 69 * This driver does not support them but there are rumors that it 70 * might work with wss isa drivers. This might require some playing around 71 * with your BIOS. 72 * 73 * The Neomagic 256 AV/ZX have 2 PCI I/O region descriptors. Both of 74 * them describe a memory region. The frame buffer is the first region 75 * and the register set is the second region. 76 * 77 * The register manipulation logic is taken from the Linux driver, 78 * which is in the public domain. 79 * 80 * The Neomagic is even nice enough to map the AC-97 codec registers into 81 * the register space to allow direct manipulation. Watch out, accessing 82 * AC-97 registers on the Neomagic requires great delicateness, otherwise 83 * the thing will hang the PCI bus, rendering your system frozen. 84 * 85 * For one, it seems the Neomagic status register that reports AC-97 86 * readiness should NOT be polled more often than once each 1ms. 87 * 88 * Also, writes to the AC-97 register space may take over 40us to 89 * complete. 90 * 91 * Unlike many sound engines, the Neomagic does not support (as fas as 92 * we know :) ) the notion of interrupting every n bytes transferred, 93 * unlike many DMA engines. Instead, it allows you to specify one 94 * location in each ring buffer (called the watermark). When the chip 95 * passes that location while playing, it signals an interrupt. 96 * 97 * The ring buffer size is currently 16k. That is about 100ms of audio 98 * at 44.1khz/stero/16 bit. However, to keep the buffer full, interrupts 99 * are generated more often than that, so 20-40 interrupts per second 100 * should not be unexpected. Increasing BUFFSIZE should help minimize 101 * the glitches due to drivers that spend too much time looping at high 102 * privelege levels as well as the impact of badly written audio 103 * interface clients. 104 * 105 * TO-DO list: 106 * neo_malloc/neo_free are still seriously broken. 107 * 108 * Figure out interaction with video stuff (look at Xfree86 driver?) 109 * 110 * Power management (neoactivate) 111 * 112 * Fix detection of Neo devices that don't work this driver (see neo_attach) 113 * 114 * Figure out how to shrink that huge table neo-coeff.h 115 */ 116 117 #define NM_BUFFSIZE 16384 118 119 #define NM256AV_PCI_ID 0x800510c8 120 #define NM256ZX_PCI_ID 0x800610c8 121 122 /* device private data */ 123 struct neo_softc { 124 struct device dev; 125 126 bus_space_tag_t bufiot; 127 bus_space_handle_t bufioh; 128 129 bus_space_tag_t regiot; 130 bus_space_handle_t regioh; 131 132 u_int32_t type; 133 void *ih; 134 135 void (*pintr)(void *); /* dma completion intr handler */ 136 void *parg; /* arg for intr() */ 137 138 void (*rintr)(void *); /* dma completion intr handler */ 139 void *rarg; /* arg for intr() */ 140 141 u_int32_t ac97_base, ac97_status, ac97_busy; 142 u_int32_t buftop, pbuf, rbuf, cbuf, acbuf; 143 u_int32_t playint, recint, misc1int, misc2int; 144 u_int32_t irsz, badintr; 145 146 u_int32_t pbufsize; 147 u_int32_t rbufsize; 148 149 u_int32_t pblksize; 150 u_int32_t rblksize; 151 152 u_int32_t pwmark; 153 u_int32_t rwmark; 154 155 struct ac97_codec_if *codec_if; 156 struct ac97_host_if host_if; 157 }; 158 159 static struct neo_firmware *nf; 160 161 /* -------------------------------------------------------------------- */ 162 163 /* 164 * prototypes 165 */ 166 167 static int nm_waitcd(struct neo_softc *sc); 168 static int nm_loadcoeff(struct neo_softc *sc, int dir, int num); 169 static int nm_init(struct neo_softc *); 170 171 int nmchan_getptr(struct neo_softc *, int); 172 /* talk to the card */ 173 static u_int32_t nm_rd(struct neo_softc *, int, int); 174 static void nm_wr(struct neo_softc *, int, u_int32_t, int); 175 static u_int32_t nm_rdbuf(struct neo_softc *, int, int); 176 static void nm_wrbuf(struct neo_softc *, int, u_int32_t, int); 177 178 int neo_match(struct device *, void *, void *); 179 void neo_attach(struct device *, struct device *, void *); 180 int neo_activate(struct device *, int); 181 int neo_intr(void *); 182 183 int neo_open(void *, int); 184 void neo_close(void *); 185 int neo_query_encoding(void *, struct audio_encoding *); 186 int neo_set_params(void *, int, int, struct audio_params *, struct audio_params *); 187 void neo_get_default_params(void *, int, struct audio_params *); 188 int neo_round_blocksize(void *, int); 189 int neo_trigger_output(void *, void *, void *, int, void (*)(void *), 190 void *, struct audio_params *); 191 int neo_trigger_input(void *, void *, void *, int, void (*)(void *), 192 void *, struct audio_params *); 193 int neo_halt_output(void *); 194 int neo_halt_input(void *); 195 int neo_getdev(void *, struct audio_device *); 196 int neo_mixer_set_port(void *, mixer_ctrl_t *); 197 int neo_mixer_get_port(void *, mixer_ctrl_t *); 198 int neo_attach_codec(void *sc, struct ac97_codec_if *); 199 int neo_read_codec(void *sc, u_int8_t a, u_int16_t *d); 200 int neo_write_codec(void *sc, u_int8_t a, u_int16_t d); 201 void neo_reset_codec(void *sc); 202 enum ac97_host_flags neo_flags_codec(void *sc); 203 int neo_query_devinfo(void *, mixer_devinfo_t *); 204 void *neo_malloc(void *, int, size_t, int, int); 205 void neo_free(void *, void *, int); 206 size_t neo_round_buffersize(void *, int, size_t); 207 int neo_get_props(void *); 208 void neo_set_mixer(struct neo_softc *sc, int a, int d); 209 210 struct cfdriver neo_cd = { 211 NULL, "neo", DV_DULL 212 }; 213 214 215 struct cfattach neo_ca = { 216 sizeof(struct neo_softc), neo_match, neo_attach, NULL, 217 neo_activate 218 }; 219 220 221 struct audio_device neo_device = { 222 "NeoMagic 256", 223 "", 224 "neo" 225 }; 226 227 #if 0 228 static u_int32_t badcards[] = { 229 0x0007103c, 230 0x008f1028, 231 }; 232 #endif 233 234 #define NUM_BADCARDS (sizeof(badcards) / sizeof(u_int32_t)) 235 236 /* The actual rates supported by the card. */ 237 static int samplerates[9] = { 238 8000, 239 11025, 240 16000, 241 22050, 242 24000, 243 32000, 244 44100, 245 48000, 246 99999999 247 }; 248 249 /* -------------------------------------------------------------------- */ 250 251 struct audio_hw_if neo_hw_if = { 252 neo_open, 253 neo_close, 254 NULL, 255 neo_query_encoding, 256 neo_set_params, 257 #if 1 258 neo_round_blocksize, 259 #else 260 NULL, 261 #endif 262 NULL, 263 NULL, 264 NULL, 265 NULL, 266 NULL, 267 neo_halt_output, 268 neo_halt_input, 269 NULL, 270 neo_getdev, 271 NULL, 272 neo_mixer_set_port, 273 neo_mixer_get_port, 274 neo_query_devinfo, 275 neo_malloc, 276 neo_free, 277 neo_round_buffersize, 278 0, /* neo_mappage, */ 279 neo_get_props, 280 neo_trigger_output, 281 neo_trigger_input, 282 neo_get_default_params 283 284 }; 285 286 /* -------------------------------------------------------------------- */ 287 288 /* Hardware */ 289 static u_int32_t 290 nm_rd(struct neo_softc *sc, int regno, int size) 291 { 292 bus_space_tag_t st = sc->regiot; 293 bus_space_handle_t sh = sc->regioh; 294 295 switch (size) { 296 case 1: 297 return bus_space_read_1(st, sh, regno); 298 case 2: 299 return bus_space_read_2(st, sh, regno); 300 case 4: 301 return bus_space_read_4(st, sh, regno); 302 default: 303 return (0xffffffff); 304 } 305 } 306 307 static void 308 nm_wr(struct neo_softc *sc, int regno, u_int32_t data, int size) 309 { 310 bus_space_tag_t st = sc->regiot; 311 bus_space_handle_t sh = sc->regioh; 312 313 switch (size) { 314 case 1: 315 bus_space_write_1(st, sh, regno, data); 316 break; 317 case 2: 318 bus_space_write_2(st, sh, regno, data); 319 break; 320 case 4: 321 bus_space_write_4(st, sh, regno, data); 322 break; 323 } 324 } 325 326 static u_int32_t 327 nm_rdbuf(struct neo_softc *sc, int regno, int size) 328 { 329 bus_space_tag_t st = sc->bufiot; 330 bus_space_handle_t sh = sc->bufioh; 331 332 switch (size) { 333 case 1: 334 return bus_space_read_1(st, sh, regno); 335 case 2: 336 return bus_space_read_2(st, sh, regno); 337 case 4: 338 return bus_space_read_4(st, sh, regno); 339 default: 340 return (0xffffffff); 341 } 342 } 343 344 static void 345 nm_wrbuf(struct neo_softc *sc, int regno, u_int32_t data, int size) 346 { 347 bus_space_tag_t st = sc->bufiot; 348 bus_space_handle_t sh = sc->bufioh; 349 350 switch (size) { 351 case 1: 352 bus_space_write_1(st, sh, regno, data); 353 break; 354 case 2: 355 bus_space_write_2(st, sh, regno, data); 356 break; 357 case 4: 358 bus_space_write_4(st, sh, regno, data); 359 break; 360 } 361 } 362 363 /* ac97 codec */ 364 static int 365 nm_waitcd(struct neo_softc *sc) 366 { 367 int cnt = 10; 368 int fail = 1; 369 370 while (cnt-- > 0) { 371 if (nm_rd(sc, sc->ac97_status, 2) & sc->ac97_busy) 372 DELAY(100); 373 else { 374 fail = 0; 375 break; 376 } 377 } 378 return (fail); 379 } 380 381 382 static void 383 nm_ackint(struct neo_softc *sc, u_int32_t num) 384 { 385 if (sc->type == NM256AV_PCI_ID) 386 nm_wr(sc, NM_INT_REG, num << 1, 2); 387 else if (sc->type == NM256ZX_PCI_ID) 388 nm_wr(sc, NM_INT_REG, num, 4); 389 } 390 391 static int 392 nm_loadcoeff(struct neo_softc *sc, int dir, int num) 393 { 394 int ofs, sz, i; 395 u_int32_t addr; 396 397 if (nf == NULL) { 398 size_t buflen; 399 u_char *buf; 400 int error; 401 402 error = loadfirmware("neo-coefficients", &buf, &buflen); 403 if (error) 404 return (error); 405 nf = (struct neo_firmware *)buf; 406 } 407 408 addr = (dir == AUMODE_PLAY)? 0x01c : 0x21c; 409 if (dir == AUMODE_RECORD) 410 num += 8; 411 sz = nf->coefficientSizes[num]; 412 ofs = 0; 413 while (num-- > 0) 414 ofs+= nf->coefficientSizes[num]; 415 for (i = 0; i < sz; i++) 416 nm_wrbuf(sc, sc->cbuf + i, nf->coefficients[ofs + i], 1); 417 nm_wr(sc, addr, sc->cbuf, 4); 418 if (dir == AUMODE_PLAY) 419 sz--; 420 nm_wr(sc, addr + 4, sc->cbuf + sz, 4); 421 return (0); 422 } 423 424 int 425 nmchan_getptr(struct neo_softc *sc, int mode) 426 { 427 if (mode == AUMODE_PLAY) 428 return (nm_rd(sc, NM_PBUFFER_CURRP, 4) - sc->pbuf); 429 else 430 return (nm_rd(sc, NM_RBUFFER_CURRP, 4) - sc->rbuf); 431 } 432 433 434 /* The interrupt handler */ 435 int 436 neo_intr(void *p) 437 { 438 struct neo_softc *sc = (struct neo_softc *)p; 439 int status, x; 440 int rv = 0; 441 442 mtx_enter(&audio_lock); 443 status = nm_rd(sc, NM_INT_REG, sc->irsz); 444 445 if (status & sc->playint) { 446 status &= ~sc->playint; 447 448 sc->pwmark += sc->pblksize; 449 sc->pwmark %= sc->pbufsize; 450 451 nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pwmark, 4); 452 453 nm_ackint(sc, sc->playint); 454 455 if (sc->pintr) 456 (*sc->pintr)(sc->parg); 457 458 rv = 1; 459 } 460 if (status & sc->recint) { 461 status &= ~sc->recint; 462 463 sc->rwmark += sc->rblksize; 464 sc->rwmark %= sc->rbufsize; 465 466 nm_ackint(sc, sc->recint); 467 if (sc->rintr) 468 (*sc->rintr)(sc->rarg); 469 470 rv = 1; 471 } 472 if (status & sc->misc1int) { 473 status &= ~sc->misc1int; 474 nm_ackint(sc, sc->misc1int); 475 x = nm_rd(sc, 0x400, 1); 476 nm_wr(sc, 0x400, x | 2, 1); 477 printf("%s: misc int 1\n", sc->dev.dv_xname); 478 rv = 1; 479 } 480 if (status & sc->misc2int) { 481 status &= ~sc->misc2int; 482 nm_ackint(sc, sc->misc2int); 483 x = nm_rd(sc, 0x400, 1); 484 nm_wr(sc, 0x400, x & ~2, 1); 485 printf("%s: misc int 2\n", sc->dev.dv_xname); 486 rv = 1; 487 } 488 if (status) { 489 status &= ~sc->misc2int; 490 nm_ackint(sc, sc->misc2int); 491 printf("%s: unknown int\n", sc->dev.dv_xname); 492 rv = 1; 493 } 494 mtx_leave(&audio_lock); 495 return (rv); 496 } 497 498 /* -------------------------------------------------------------------- */ 499 500 /* 501 * Probe and attach the card 502 */ 503 504 static int 505 nm_init(struct neo_softc *sc) 506 { 507 u_int32_t ofs, i; 508 509 if (sc->type == NM256AV_PCI_ID) { 510 sc->ac97_base = NM_MIXER_OFFSET; 511 sc->ac97_status = NM_MIXER_STATUS_OFFSET; 512 sc->ac97_busy = NM_MIXER_READY_MASK; 513 514 sc->buftop = 2560 * 1024; 515 516 sc->irsz = 2; 517 sc->playint = NM_PLAYBACK_INT; 518 sc->recint = NM_RECORD_INT; 519 sc->misc1int = NM_MISC_INT_1; 520 sc->misc2int = NM_MISC_INT_2; 521 } else if (sc->type == NM256ZX_PCI_ID) { 522 sc->ac97_base = NM_MIXER_OFFSET; 523 sc->ac97_status = NM2_MIXER_STATUS_OFFSET; 524 sc->ac97_busy = NM2_MIXER_READY_MASK; 525 526 sc->buftop = (nm_rd(sc, 0xa0b, 2)? 6144 : 4096) * 1024; 527 528 sc->irsz = 4; 529 sc->playint = NM2_PLAYBACK_INT; 530 sc->recint = NM2_RECORD_INT; 531 sc->misc1int = NM2_MISC_INT_1; 532 sc->misc2int = NM2_MISC_INT_2; 533 } else return -1; 534 sc->badintr = 0; 535 ofs = sc->buftop - 0x0400; 536 sc->buftop -= 0x1400; 537 538 if ((nm_rdbuf(sc, ofs, 4) & NM_SIG_MASK) == NM_SIGNATURE) { 539 i = nm_rdbuf(sc, ofs + 4, 4); 540 if (i != 0 && i != 0xffffffff) 541 sc->buftop = i; 542 } 543 544 sc->cbuf = sc->buftop - NM_MAX_COEFFICIENT; 545 sc->rbuf = sc->cbuf - NM_BUFFSIZE; 546 sc->pbuf = sc->rbuf - NM_BUFFSIZE; 547 sc->acbuf = sc->pbuf - (NM_TOTAL_COEFF_COUNT * 4); 548 549 nm_wr(sc, 0, 0x11, 1); 550 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1); 551 nm_wr(sc, 0x214, 0, 2); 552 553 return 0; 554 } 555 556 557 void 558 neo_attach(struct device *parent, struct device *self, void *aux) 559 { 560 struct neo_softc *sc = (struct neo_softc *)self; 561 struct pci_attach_args *pa = (struct pci_attach_args *)aux; 562 pci_chipset_tag_t pc = pa->pa_pc; 563 char const *intrstr; 564 pci_intr_handle_t ih; 565 int error; 566 567 sc->type = pa->pa_id; 568 569 /* Map I/O register */ 570 if (pci_mapreg_map(pa, PCI_MAPS, PCI_MAPREG_TYPE_MEM, 0, 571 &sc->bufiot, &sc->bufioh, NULL, NULL, 0)) { 572 printf("\n%s: can't map i/o space\n", sc->dev.dv_xname); 573 return; 574 } 575 576 577 if (pci_mapreg_map(pa, PCI_MAPS + 4, PCI_MAPREG_TYPE_MEM, 0, 578 &sc->regiot, &sc->regioh, NULL, NULL, 0)) { 579 printf("\n%s: can't map i/o space\n", sc->dev.dv_xname); 580 return; 581 } 582 583 /* Map and establish the interrupt. */ 584 if (pci_intr_map(pa, &ih)) { 585 printf("\n%s: couldn't map interrupt\n", sc->dev.dv_xname); 586 return; 587 } 588 intrstr = pci_intr_string(pc, ih); 589 sc->ih = pci_intr_establish(pc, ih, IPL_AUDIO | IPL_MPSAFE, 590 neo_intr, sc, sc->dev.dv_xname); 591 592 if (sc->ih == NULL) { 593 printf("\n%s: couldn't establish interrupt", 594 sc->dev.dv_xname); 595 if (intrstr != NULL) 596 printf(" at %s", intrstr); 597 printf("\n"); 598 return; 599 } 600 printf(": %s\n", intrstr); 601 602 if ((error = nm_init(sc)) != 0) 603 return; 604 605 sc->host_if.arg = sc; 606 607 sc->host_if.attach = neo_attach_codec; 608 sc->host_if.read = neo_read_codec; 609 sc->host_if.write = neo_write_codec; 610 sc->host_if.reset = neo_reset_codec; 611 sc->host_if.flags = neo_flags_codec; 612 613 if ((error = ac97_attach(&sc->host_if)) != 0) 614 return; 615 616 audio_attach_mi(&neo_hw_if, sc, &sc->dev); 617 618 return; 619 } 620 621 int 622 neo_activate(struct device *self, int act) 623 { 624 struct neo_softc *sc = (struct neo_softc *)self; 625 626 switch (act) { 627 case DVACT_SUSPEND: 628 break; 629 case DVACT_RESUME: 630 nm_init(sc); 631 (sc->codec_if->vtbl->restore_ports)(sc->codec_if); 632 break; 633 } 634 return 0; 635 } 636 637 int 638 neo_match(struct device *parent, void *match, void *aux) 639 { 640 struct pci_attach_args *pa = (struct pci_attach_args *) aux; 641 #if 0 642 u_int32_t subdev, badcard; 643 #endif 644 645 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_NEOMAGIC) 646 return (0); 647 648 #if 0 649 subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev); 650 #endif 651 switch (PCI_PRODUCT(pa->pa_id)) { 652 case PCI_PRODUCT_NEOMAGIC_NM256AV: 653 #if 0 654 i = 0; 655 while ((i < NUM_BADCARDS) && (badcards[i] != subdev)) 656 i++; 657 if (i == NUM_BADCARDS) 658 s = "NeoMagic 256AV"; 659 DEB(else) 660 DEB(device_printf(dev, "this is a non-ac97 NM256AV, not attaching\n")); 661 return (1); 662 #endif 663 case PCI_PRODUCT_NEOMAGIC_NM256ZX: 664 return (1); 665 } 666 667 return (0); 668 } 669 670 int 671 neo_read_codec(void *sc_, u_int8_t a, u_int16_t *d) 672 { 673 struct neo_softc *sc = sc_; 674 675 if (!nm_waitcd(sc)) { 676 *d = nm_rd(sc, sc->ac97_base + a, 2); 677 DELAY(1000); 678 return 0; 679 } 680 681 return (ENXIO); 682 } 683 684 685 int 686 neo_write_codec(void *sc_, u_int8_t a, u_int16_t d) 687 { 688 struct neo_softc *sc = sc_; 689 int cnt = 3; 690 691 if (!nm_waitcd(sc)) { 692 while (cnt-- > 0) { 693 nm_wr(sc, sc->ac97_base + a, d, 2); 694 if (!nm_waitcd(sc)) { 695 DELAY(1000); 696 return (0); 697 } 698 } 699 } 700 701 return (ENXIO); 702 } 703 704 705 int 706 neo_attach_codec(void *sc_, struct ac97_codec_if *codec_if) 707 { 708 struct neo_softc *sc = sc_; 709 710 sc->codec_if = codec_if; 711 return (0); 712 } 713 714 void 715 neo_reset_codec(void *sc) 716 { 717 nm_wr(sc, 0x6c0, 0x01, 1); 718 nm_wr(sc, 0x6cc, 0x87, 1); 719 nm_wr(sc, 0x6cc, 0x80, 1); 720 nm_wr(sc, 0x6cc, 0x00, 1); 721 722 return; 723 } 724 725 726 enum ac97_host_flags 727 neo_flags_codec(void *sc) 728 { 729 return (AC97_HOST_DONT_READANY); 730 } 731 732 int 733 neo_open(void *addr, int flags) 734 { 735 return (0); 736 } 737 738 /* 739 * Close function is called at splaudio(). 740 */ 741 void 742 neo_close(void *addr) 743 { 744 struct neo_softc *sc = addr; 745 746 neo_halt_output(sc); 747 neo_halt_input(sc); 748 749 sc->pintr = 0; 750 sc->rintr = 0; 751 } 752 753 int 754 neo_query_encoding(void *addr, struct audio_encoding *fp) 755 { 756 switch (fp->index) { 757 case 0: 758 strlcpy(fp->name, AudioEulinear, sizeof fp->name); 759 fp->encoding = AUDIO_ENCODING_ULINEAR; 760 fp->precision = 8; 761 fp->flags = 0; 762 break; 763 case 1: 764 strlcpy(fp->name, AudioEmulaw, sizeof fp->name); 765 fp->encoding = AUDIO_ENCODING_ULAW; 766 fp->precision = 8; 767 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 768 break; 769 case 2: 770 strlcpy(fp->name, AudioEalaw, sizeof fp->name); 771 fp->encoding = AUDIO_ENCODING_ALAW; 772 fp->precision = 8; 773 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 774 break; 775 case 3: 776 strlcpy(fp->name, AudioEslinear, sizeof fp->name); 777 fp->encoding = AUDIO_ENCODING_SLINEAR; 778 fp->precision = 8; 779 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 780 break; 781 case 4: 782 strlcpy(fp->name, AudioEslinear_le, sizeof fp->name); 783 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 784 fp->precision = 16; 785 fp->flags = 0; 786 break; 787 case 5: 788 strlcpy(fp->name, AudioEulinear_le, sizeof fp->name); 789 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 790 fp->precision = 16; 791 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 792 break; 793 case 6: 794 strlcpy(fp->name, AudioEslinear_be, sizeof fp->name); 795 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 796 fp->precision = 16; 797 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 798 break; 799 case 7: 800 strlcpy(fp->name, AudioEulinear_be, sizeof fp->name); 801 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 802 fp->precision = 16; 803 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 804 break; 805 default: 806 return (EINVAL); 807 } 808 fp->bps = AUDIO_BPS(fp->precision); 809 fp->msb = 1; 810 811 return (0); 812 } 813 814 void 815 neo_get_default_params(void *addr, int mode, struct audio_params *params) 816 { 817 ac97_get_default_params(params); 818 } 819 820 /* Todo: don't commit settings to card until we've verified all parameters */ 821 int 822 neo_set_params(void *addr, int setmode, int usemode, 823 struct audio_params *play, struct audio_params *rec) 824 { 825 struct neo_softc *sc = addr; 826 u_int32_t base; 827 u_int8_t x; 828 int mode; 829 struct audio_params *p; 830 831 for (mode = AUMODE_RECORD; mode != -1; 832 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 833 if ((setmode & mode) == 0) 834 continue; 835 836 p = mode == AUMODE_PLAY ? play : rec; 837 838 if (p == NULL) continue; 839 840 for (x = 0; x < 8; x++) 841 if (p->sample_rate < (samplerates[x] + samplerates[x + 1]) / 2) 842 break; 843 844 p->sample_rate = samplerates[x]; 845 nm_loadcoeff(sc, mode, x); 846 847 x <<= 4; 848 x &= NM_RATE_MASK; 849 if (p->precision == 16) x |= NM_RATE_BITS_16; 850 if (p->channels == 2) x |= NM_RATE_STEREO; 851 852 base = (mode == AUMODE_PLAY) ? 853 NM_PLAYBACK_REG_OFFSET : NM_RECORD_REG_OFFSET; 854 nm_wr(sc, base + NM_RATE_REG_OFFSET, x, 1); 855 856 p->factor = 1; 857 p->sw_code = 0; 858 switch (p->encoding) { 859 case AUDIO_ENCODING_SLINEAR_BE: 860 if (p->precision == 16) 861 p->sw_code = swap_bytes; 862 else 863 p->sw_code = change_sign8; 864 break; 865 case AUDIO_ENCODING_SLINEAR_LE: 866 if (p->precision != 16) 867 p->sw_code = change_sign8; 868 break; 869 case AUDIO_ENCODING_ULINEAR_BE: 870 if (p->precision == 16) { 871 if (mode == AUMODE_PLAY) 872 p->sw_code = swap_bytes_change_sign16_le; 873 else 874 p->sw_code = change_sign16_swap_bytes_le; 875 } 876 break; 877 case AUDIO_ENCODING_ULINEAR_LE: 878 if (p->precision == 16) 879 p->sw_code = change_sign16_le; 880 break; 881 case AUDIO_ENCODING_ULAW: 882 if (mode == AUMODE_PLAY) { 883 p->factor = 2; 884 p->sw_code = mulaw_to_slinear16_le; 885 } else 886 p->sw_code = ulinear8_to_mulaw; 887 break; 888 case AUDIO_ENCODING_ALAW: 889 if (mode == AUMODE_PLAY) { 890 p->factor = 2; 891 p->sw_code = alaw_to_slinear16_le; 892 } else 893 p->sw_code = ulinear8_to_alaw; 894 break; 895 default: 896 return (EINVAL); 897 } 898 p->bps = AUDIO_BPS(p->precision); 899 p->msb = 1; 900 } 901 902 return (0); 903 } 904 905 int 906 neo_round_blocksize(void *addr, int blk) 907 { 908 return (NM_BUFFSIZE / 2); 909 } 910 911 int 912 neo_trigger_output(void *addr, void *start, void *end, int blksize, 913 void (*intr)(void *), void *arg, struct audio_params *param) 914 { 915 struct neo_softc *sc = addr; 916 int ssz; 917 918 mtx_enter(&audio_lock); 919 sc->pintr = intr; 920 sc->parg = arg; 921 922 ssz = (param->precision * param->factor == 16)? 2 : 1; 923 if (param->channels == 2) 924 ssz <<= 1; 925 926 sc->pbufsize = ((char *)end - (char *)start); 927 sc->pblksize = blksize; 928 sc->pwmark = blksize; 929 nm_wr(sc, NM_PBUFFER_START, sc->pbuf, 4); 930 nm_wr(sc, NM_PBUFFER_END, sc->pbuf + sc->pbufsize - ssz, 4); 931 nm_wr(sc, NM_PBUFFER_CURRP, sc->pbuf, 4); 932 nm_wr(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pwmark, 4); 933 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN | 934 NM_PLAYBACK_ENABLE_FLAG, 1); 935 nm_wr(sc, NM_AUDIO_MUTE_REG, 0, 2); 936 mtx_leave(&audio_lock); 937 return (0); 938 } 939 940 941 942 int 943 neo_trigger_input(void *addr, void *start, void *end, int blksize, 944 void (*intr)(void *), void *arg, struct audio_params *param) 945 { 946 struct neo_softc *sc = addr; 947 int ssz; 948 949 mtx_enter(&audio_lock); 950 sc->rintr = intr; 951 sc->rarg = arg; 952 953 ssz = (param->precision * param->factor == 16)? 2 : 1; 954 if (param->channels == 2) 955 ssz <<= 1; 956 957 sc->rbufsize = ((char *)end - (char *)start); 958 sc->rblksize = blksize; 959 sc->rwmark = blksize; 960 nm_wr(sc, NM_RBUFFER_START, sc->rbuf, 4); 961 nm_wr(sc, NM_RBUFFER_END, sc->rbuf + sc->rbufsize, 4); 962 nm_wr(sc, NM_RBUFFER_CURRP, sc->rbuf, 4); 963 nm_wr(sc, NM_RBUFFER_WMARK, sc->rbuf + sc->rwmark, 4); 964 nm_wr(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN | 965 NM_RECORD_ENABLE_FLAG, 1); 966 mtx_leave(&audio_lock); 967 return (0); 968 } 969 970 int 971 neo_halt_output(void *addr) 972 { 973 struct neo_softc *sc = (struct neo_softc *)addr; 974 975 mtx_enter(&audio_lock); 976 nm_wr(sc, NM_PLAYBACK_ENABLE_REG, 0, 1); 977 nm_wr(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH, 2); 978 979 sc->pintr = 0; 980 mtx_leave(&audio_lock); 981 return (0); 982 } 983 984 int 985 neo_halt_input(void *addr) 986 { 987 struct neo_softc *sc = (struct neo_softc *)addr; 988 989 mtx_enter(&audio_lock); 990 nm_wr(sc, NM_RECORD_ENABLE_REG, 0, 1); 991 992 sc->rintr = 0; 993 mtx_leave(&audio_lock); 994 return (0); 995 } 996 997 int 998 neo_getdev(void *addr, struct audio_device *retp) 999 { 1000 *retp = neo_device; 1001 return (0); 1002 } 1003 1004 int 1005 neo_mixer_set_port(void *addr, mixer_ctrl_t *cp) 1006 { 1007 struct neo_softc *sc = addr; 1008 1009 return ((sc->codec_if->vtbl->mixer_set_port)(sc->codec_if, cp)); 1010 } 1011 1012 int 1013 neo_mixer_get_port(void *addr, mixer_ctrl_t *cp) 1014 { 1015 struct neo_softc *sc = addr; 1016 1017 return ((sc->codec_if->vtbl->mixer_get_port)(sc->codec_if, cp)); 1018 } 1019 1020 int 1021 neo_query_devinfo(void *addr, mixer_devinfo_t *dip) 1022 { 1023 struct neo_softc *sc = addr; 1024 1025 return ((sc->codec_if->vtbl->query_devinfo)(sc->codec_if, dip)); 1026 } 1027 1028 void * 1029 neo_malloc(void *addr, int direction, size_t size, int pool, int flags) 1030 { 1031 struct neo_softc *sc = addr; 1032 void *rv = 0; 1033 1034 switch (direction) { 1035 case AUMODE_PLAY: 1036 rv = (char *)sc->bufioh + sc->pbuf; 1037 break; 1038 case AUMODE_RECORD: 1039 rv = (char *)sc->bufioh + sc->rbuf; 1040 break; 1041 default: 1042 break; 1043 } 1044 1045 return (rv); 1046 } 1047 1048 void 1049 neo_free(void *addr, void *ptr, int pool) 1050 { 1051 return; 1052 } 1053 1054 size_t 1055 neo_round_buffersize(void *addr, int direction, size_t size) 1056 { 1057 return (NM_BUFFSIZE); 1058 } 1059 1060 1061 int 1062 neo_get_props(void *addr) 1063 { 1064 return (AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX); 1065 } 1066