1 /* $NetBSD: neo.c,v 1.49 2012/10/27 17:18:35 chs 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, WHETHERIN 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 THEPOSSIBILITY 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 * OpenBSD: neo.c,v 1.4 2000/07/19 09:04:37 csapuntz Exp 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: neo.c,v 1.49 2012/10/27 17:18:35 chs Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/kmem.h> 41 #include <sys/device.h> 42 #include <sys/bus.h> 43 #include <sys/audioio.h> 44 45 #include <dev/audio_if.h> 46 #include <dev/mulaw.h> 47 #include <dev/auconv.h> 48 49 #include <dev/ic/ac97var.h> 50 51 #include <dev/pci/pcidevs.h> 52 #include <dev/pci/pcivar.h> 53 #include <dev/pci/neoreg.h> 54 #include <dev/pci/neo-coeff.h> 55 56 /* -------------------------------------------------------------------- */ 57 /* 58 * As of 04/13/00, public documentation on the Neomagic 256 is not available. 59 * These comments were gleaned by looking at the driver carefully. 60 * 61 * The Neomagic 256 AV/ZX chips provide both video and audio capabilities 62 * on one chip. About 2-6 megabytes of memory are associated with 63 * the chip. Most of this goes to video frame buffers, but some is used for 64 * audio buffering 65 * 66 * Unlike most PCI audio chips, the Neomagic chip does not rely on DMA. 67 * Instead, the chip allows you to carve out two ring buffers out of its 68 * memory. However you carve this and how much you can carve seems to be 69 * voodoo. The algorithm is in nm_init. 70 * 71 * Most Neomagic audio chips use the AC-97 codec interface. However, there 72 * seem to be a select few chips 256AV chips that do not support AC-97. 73 * This driver does not support them but there are rumors that it 74 * might work with wss isa drivers. This might require some playing around 75 * with your BIOS. 76 * 77 * The Neomagic 256 AV/ZX have 2 PCI I/O region descriptors. Both of 78 * them describe a memory region. The frame buffer is the first region 79 * and the register set is the second region. 80 * 81 * The register manipulation logic is taken from the Linux driver, 82 * which is in the public domain. 83 * 84 * The Neomagic is even nice enough to map the AC-97 codec registers into 85 * the register space to allow direct manipulation. Watch out, accessing 86 * AC-97 registers on the Neomagic requires great delicateness, otherwise 87 * the thing will hang the PCI bus, rendering your system frozen. 88 * 89 * For one, it seems the Neomagic status register that reports AC-97 90 * readiness should NOT be polled more often than once each 1ms. 91 * 92 * Also, writes to the AC-97 register space may take order 40us to 93 * complete. 94 * 95 * Unlike many sound engines, the Neomagic does not support (as far as 96 * we know :) the notion of interrupting every n bytes transferred, 97 * unlike many DMA engines. Instead, it allows you to specify one 98 * location in each ring buffer (called the watermark). When the chip 99 * passes that location while playing, it signals an interrupt. 100 * 101 * The ring buffer size is currently 16k. That is about 100ms of audio 102 * at 44.1kHz/stero/16 bit. However, to keep the buffer full, interrupts 103 * are generated more often than that, so 20-40 interrupts per second 104 * should not be unexpected. Increasing BUFFSIZE should help minimize 105 * of glitches due to drivers that spend to much time looping at high 106 * privelege levels as well as the impact of badly written audio 107 * interface clients. 108 * 109 * TO-DO list: 110 * Figure out interaction with video stuff (look at Xfree86 driver?) 111 * 112 * Figure out how to shrink that huge table neo-coeff.h 113 */ 114 115 #define NM_BUFFSIZE 16384 116 117 /* device private data */ 118 struct neo_softc { 119 device_t dev; 120 kmutex_t lock; 121 kmutex_t intr_lock; 122 123 bus_space_tag_t bufiot; 124 bus_space_handle_t bufioh; 125 126 bus_space_tag_t regiot; 127 bus_space_handle_t regioh; 128 129 uint32_t type; 130 void *ih; 131 132 void (*pintr)(void *); /* DMA completion intr handler */ 133 void *parg; /* arg for intr() */ 134 135 void (*rintr)(void *); /* DMA completion intr handler */ 136 void *rarg; /* arg for intr() */ 137 138 vaddr_t buf_vaddr; 139 vaddr_t rbuf_vaddr; 140 vaddr_t pbuf_vaddr; 141 int pbuf_allocated; 142 int rbuf_allocated; 143 144 bus_addr_t buf_pciaddr; 145 bus_addr_t rbuf_pciaddr; 146 bus_addr_t pbuf_pciaddr; 147 148 uint32_t ac97_base, ac97_status, ac97_busy; 149 uint32_t buftop, pbuf, rbuf, cbuf, acbuf; 150 uint32_t playint, recint, misc1int, misc2int; 151 uint32_t irsz, badintr; 152 153 uint32_t pbufsize; 154 uint32_t rbufsize; 155 156 uint32_t pblksize; 157 uint32_t rblksize; 158 159 uint32_t pwmark; 160 uint32_t rwmark; 161 162 struct ac97_codec_if *codec_if; 163 struct ac97_host_if host_if; 164 }; 165 166 /* -------------------------------------------------------------------- */ 167 168 /* 169 * prototypes 170 */ 171 172 static int nm_waitcd(struct neo_softc *); 173 static int nm_loadcoeff(struct neo_softc *, int, int); 174 static int nm_init(struct neo_softc *); 175 176 static int neo_match(device_t, cfdata_t, void *); 177 static void neo_attach(device_t, device_t, void *); 178 static int neo_intr(void *); 179 180 static int neo_query_encoding(void *, struct audio_encoding *); 181 static int neo_set_params(void *, int, int, audio_params_t *, 182 audio_params_t *, stream_filter_list_t *, 183 stream_filter_list_t *); 184 static int neo_round_blocksize(void *, int, int, const audio_params_t *); 185 static int neo_trigger_output(void *, void *, void *, int, 186 void (*)(void *), void *, 187 const audio_params_t *); 188 static int neo_trigger_input(void *, void *, void *, int, 189 void (*)(void *), void *, 190 const audio_params_t *); 191 static int neo_halt_output(void *); 192 static int neo_halt_input(void *); 193 static int neo_getdev(void *, struct audio_device *); 194 static int neo_mixer_set_port(void *, mixer_ctrl_t *); 195 static int neo_mixer_get_port(void *, mixer_ctrl_t *); 196 static int neo_attach_codec(void *, struct ac97_codec_if *); 197 static int neo_read_codec(void *, uint8_t, uint16_t *); 198 static int neo_write_codec(void *, uint8_t, uint16_t); 199 static int neo_reset_codec(void *); 200 static enum ac97_host_flags neo_flags_codec(void *); 201 static int neo_query_devinfo(void *, mixer_devinfo_t *); 202 static void * neo_malloc(void *, int, size_t); 203 static void neo_free(void *, void *, size_t); 204 static size_t neo_round_buffersize(void *, int, size_t); 205 static paddr_t neo_mappage(void *, void *, off_t, int); 206 static int neo_get_props(void *); 207 static void neo_get_locks(void *, kmutex_t **, kmutex_t **); 208 209 CFATTACH_DECL_NEW(neo, sizeof(struct neo_softc), 210 neo_match, neo_attach, NULL, NULL); 211 212 static struct audio_device neo_device = { 213 "NeoMagic 256", 214 "", 215 "neo" 216 }; 217 218 /* The actual rates supported by the card. */ 219 static const int samplerates[9] = { 220 8000, 221 11025, 222 16000, 223 22050, 224 24000, 225 32000, 226 44100, 227 48000, 228 99999999 229 }; 230 231 #define NEO_NFORMATS 4 232 static const struct audio_format neo_formats[NEO_NFORMATS] = { 233 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 234 2, AUFMT_STEREO, 8, {8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000}}, 235 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_SLINEAR_LE, 16, 16, 236 1, AUFMT_MONAURAL, 8, {8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000}}, 237 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 238 2, AUFMT_STEREO, 8, {8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000}}, 239 {NULL, AUMODE_PLAY | AUMODE_RECORD, AUDIO_ENCODING_ULINEAR_LE, 8, 8, 240 1, AUFMT_MONAURAL, 8, {8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000}}, 241 }; 242 243 /* -------------------------------------------------------------------- */ 244 245 static const struct audio_hw_if neo_hw_if = { 246 NULL, /* open */ 247 NULL, /* close */ 248 NULL, /* drain */ 249 neo_query_encoding, 250 neo_set_params, 251 neo_round_blocksize, 252 NULL, /* commit_setting */ 253 NULL, /* init_output */ 254 NULL, /* init_input */ 255 NULL, /* start_output */ 256 NULL, /* start_input */ 257 neo_halt_output, 258 neo_halt_input, 259 NULL, /* speaker_ctl */ 260 neo_getdev, 261 NULL, /* getfd */ 262 neo_mixer_set_port, 263 neo_mixer_get_port, 264 neo_query_devinfo, 265 neo_malloc, 266 neo_free, 267 neo_round_buffersize, 268 neo_mappage, 269 neo_get_props, 270 neo_trigger_output, 271 neo_trigger_input, 272 NULL, 273 neo_get_locks, 274 }; 275 276 /* -------------------------------------------------------------------- */ 277 278 #define nm_rd_1(sc, regno) \ 279 bus_space_read_1((sc)->regiot, (sc)->regioh, (regno)) 280 281 #define nm_rd_2(sc, regno) \ 282 bus_space_read_2((sc)->regiot, (sc)->regioh, (regno)) 283 284 #define nm_rd_4(sc, regno) \ 285 bus_space_read_4((sc)->regiot, (sc)->regioh, (regno)) 286 287 #define nm_wr_1(sc, regno, val) \ 288 bus_space_write_1((sc)->regiot, (sc)->regioh, (regno), (val)) 289 290 #define nm_wr_2(sc, regno, val) \ 291 bus_space_write_2((sc)->regiot, (sc)->regioh, (regno), (val)) 292 293 #define nm_wr_4(sc, regno, val) \ 294 bus_space_write_4((sc)->regiot, (sc)->regioh, (regno), (val)) 295 296 #define nm_rdbuf_4(sc, regno) \ 297 bus_space_read_4((sc)->bufiot, (sc)->bufioh, (regno)) 298 299 #define nm_wrbuf_1(sc, regno, val) \ 300 bus_space_write_1((sc)->bufiot, (sc)->bufioh, (regno), (val)) 301 302 /* ac97 codec */ 303 static int 304 nm_waitcd(struct neo_softc *sc) 305 { 306 int cnt; 307 int fail; 308 309 cnt = 10; 310 fail = 1; 311 while (cnt-- > 0) { 312 if (nm_rd_2(sc, sc->ac97_status) & sc->ac97_busy) 313 DELAY(100); 314 else { 315 fail = 0; 316 break; 317 } 318 } 319 return fail; 320 } 321 322 static void 323 nm_ackint(struct neo_softc *sc, uint32_t num) 324 { 325 326 switch (sc->type) { 327 case PCI_PRODUCT_NEOMAGIC_NMMM256AV_AU: 328 nm_wr_2(sc, NM_INT_REG, num << 1); 329 break; 330 331 case PCI_PRODUCT_NEOMAGIC_NMMM256ZX_AU: 332 nm_wr_4(sc, NM_INT_REG, num); 333 break; 334 } 335 } 336 337 static int 338 nm_loadcoeff(struct neo_softc *sc, int dir, int num) 339 { 340 int ofs, sz, i; 341 uint32_t addr; 342 343 addr = (dir == AUMODE_PLAY)? 0x01c : 0x21c; 344 if (dir == AUMODE_RECORD) 345 num += 8; 346 sz = coefficientSizes[num]; 347 ofs = 0; 348 while (num-- > 0) 349 ofs+= coefficientSizes[num]; 350 for (i = 0; i < sz; i++) 351 nm_wrbuf_1(sc, sc->cbuf + i, coefficients[ofs + i]); 352 nm_wr_4(sc, addr, sc->cbuf); 353 if (dir == AUMODE_PLAY) 354 sz--; 355 nm_wr_4(sc, addr + 4, sc->cbuf + sz); 356 return 0; 357 } 358 359 /* The interrupt handler */ 360 static int 361 neo_intr(void *p) 362 { 363 struct neo_softc *sc; 364 int status, x; 365 int rv; 366 367 sc = (struct neo_softc *)p; 368 mutex_spin_enter(&sc->intr_lock); 369 370 rv = 0; 371 status = (sc->irsz == 2) ? 372 nm_rd_2(sc, NM_INT_REG) : 373 nm_rd_4(sc, NM_INT_REG); 374 375 if (status & sc->playint) { 376 status &= ~sc->playint; 377 378 sc->pwmark += sc->pblksize; 379 sc->pwmark %= sc->pbufsize; 380 381 nm_wr_4(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pwmark); 382 383 nm_ackint(sc, sc->playint); 384 385 if (sc->pintr) 386 (*sc->pintr)(sc->parg); 387 388 rv = 1; 389 } 390 if (status & sc->recint) { 391 status &= ~sc->recint; 392 393 sc->rwmark += sc->rblksize; 394 sc->rwmark %= sc->rbufsize; 395 nm_wr_4(sc, NM_RBUFFER_WMARK, sc->rbuf + sc->rwmark); 396 nm_ackint(sc, sc->recint); 397 if (sc->rintr) 398 (*sc->rintr)(sc->rarg); 399 400 rv = 1; 401 } 402 if (status & sc->misc1int) { 403 status &= ~sc->misc1int; 404 nm_ackint(sc, sc->misc1int); 405 x = nm_rd_1(sc, 0x400); 406 nm_wr_1(sc, 0x400, x | 2); 407 printf("%s: misc int 1\n", device_xname(sc->dev)); 408 rv = 1; 409 } 410 if (status & sc->misc2int) { 411 status &= ~sc->misc2int; 412 nm_ackint(sc, sc->misc2int); 413 x = nm_rd_1(sc, 0x400); 414 nm_wr_1(sc, 0x400, x & ~2); 415 printf("%s: misc int 2\n", device_xname(sc->dev)); 416 rv = 1; 417 } 418 if (status) { 419 status &= ~sc->misc2int; 420 nm_ackint(sc, sc->misc2int); 421 printf("%s: unknown int\n", device_xname(sc->dev)); 422 rv = 1; 423 } 424 425 mutex_spin_exit(&sc->intr_lock); 426 return rv; 427 } 428 429 /* -------------------------------------------------------------------- */ 430 431 /* 432 * Probe and attach the card 433 */ 434 435 static int 436 nm_init(struct neo_softc *sc) 437 { 438 uint32_t ofs, i; 439 440 switch (sc->type) { 441 case PCI_PRODUCT_NEOMAGIC_NMMM256AV_AU: 442 sc->ac97_base = NM_MIXER_OFFSET; 443 sc->ac97_status = NM_MIXER_STATUS_OFFSET; 444 sc->ac97_busy = NM_MIXER_READY_MASK; 445 446 sc->buftop = 2560 * 1024; 447 448 sc->irsz = 2; 449 sc->playint = NM_PLAYBACK_INT; 450 sc->recint = NM_RECORD_INT; 451 sc->misc1int = NM_MISC_INT_1; 452 sc->misc2int = NM_MISC_INT_2; 453 break; 454 455 case PCI_PRODUCT_NEOMAGIC_NMMM256ZX_AU: 456 sc->ac97_base = NM_MIXER_OFFSET; 457 sc->ac97_status = NM2_MIXER_STATUS_OFFSET; 458 sc->ac97_busy = NM2_MIXER_READY_MASK; 459 460 sc->buftop = (nm_rd_2(sc, 0xa0b) ? 6144 : 4096) * 1024; 461 462 sc->irsz = 4; 463 sc->playint = NM2_PLAYBACK_INT; 464 sc->recint = NM2_RECORD_INT; 465 sc->misc1int = NM2_MISC_INT_1; 466 sc->misc2int = NM2_MISC_INT_2; 467 break; 468 #ifdef DIAGNOSTIC 469 default: 470 panic("nm_init: impossible"); 471 #endif 472 } 473 474 sc->badintr = 0; 475 ofs = sc->buftop - 0x0400; 476 sc->buftop -= 0x1400; 477 478 if ((nm_rdbuf_4(sc, ofs) & NM_SIG_MASK) == NM_SIGNATURE) { 479 i = nm_rdbuf_4(sc, ofs + 4); 480 if (i != 0 && i != 0xffffffff) 481 sc->buftop = i; 482 } 483 484 sc->cbuf = sc->buftop - NM_MAX_COEFFICIENT; 485 sc->rbuf = sc->cbuf - NM_BUFFSIZE; 486 sc->pbuf = sc->rbuf - NM_BUFFSIZE; 487 sc->acbuf = sc->pbuf - (NM_TOTAL_COEFF_COUNT * 4); 488 489 sc->buf_vaddr = (vaddr_t) bus_space_vaddr(sc->bufiot, sc->bufioh); 490 sc->rbuf_vaddr = sc->buf_vaddr + sc->rbuf; 491 sc->pbuf_vaddr = sc->buf_vaddr + sc->pbuf; 492 493 sc->rbuf_pciaddr = sc->buf_pciaddr + sc->rbuf; 494 sc->pbuf_pciaddr = sc->buf_pciaddr + sc->pbuf; 495 496 nm_wr_1(sc, 0, 0x11); 497 nm_wr_1(sc, NM_RECORD_ENABLE_REG, 0); 498 nm_wr_2(sc, 0x214, 0); 499 500 return 0; 501 } 502 503 static int 504 neo_match(device_t parent, cfdata_t match, void *aux) 505 { 506 struct pci_attach_args *pa; 507 pcireg_t subdev; 508 509 pa = aux; 510 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_NEOMAGIC) 511 return 0; 512 513 subdev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG); 514 515 switch (PCI_PRODUCT(pa->pa_id)) { 516 case PCI_PRODUCT_NEOMAGIC_NMMM256AV_AU: 517 /* 518 * We have to weed-out the non-AC'97 versions of 519 * the chip (i.e. the ones that are known to work 520 * in WSS emulation mode), as they won't work with 521 * this driver. 522 */ 523 switch (PCI_VENDOR(subdev)) { 524 case PCI_VENDOR_DELL: 525 switch (PCI_PRODUCT(subdev)) { 526 case 0x008f: 527 return 0; 528 } 529 break; 530 531 case PCI_VENDOR_HP: 532 switch (PCI_PRODUCT(subdev)) { 533 case 0x0007: 534 return 0; 535 } 536 break; 537 538 case PCI_VENDOR_IBM: 539 switch (PCI_PRODUCT(subdev)) { 540 case 0x00dd: 541 return 0; 542 } 543 break; 544 } 545 return 1; 546 547 case PCI_PRODUCT_NEOMAGIC_NMMM256ZX_AU: 548 return 1; 549 } 550 551 return 0; 552 } 553 554 static bool 555 neo_resume(device_t dv, const pmf_qual_t *qual) 556 { 557 struct neo_softc *sc = device_private(dv); 558 559 mutex_enter(&sc->lock); 560 mutex_spin_enter(&sc->intr_lock); 561 nm_init(sc); 562 mutex_spin_exit(&sc->intr_lock); 563 sc->codec_if->vtbl->restore_ports(sc->codec_if); 564 mutex_exit(&sc->lock); 565 566 return true; 567 } 568 569 static void 570 neo_attach(device_t parent, device_t self, void *aux) 571 { 572 struct neo_softc *sc; 573 struct pci_attach_args *pa; 574 pci_chipset_tag_t pc; 575 char const *intrstr; 576 pci_intr_handle_t ih; 577 pcireg_t csr; 578 int error; 579 580 sc = device_private(self); 581 pa = aux; 582 pc = pa->pa_pc; 583 584 sc->type = PCI_PRODUCT(pa->pa_id); 585 586 printf(": NeoMagic 256%s audio\n", 587 sc->type == PCI_PRODUCT_NEOMAGIC_NMMM256AV_AU ? "AV" : "ZX"); 588 589 /* Map I/O register */ 590 if (pci_mapreg_map(pa, PCI_MAPREG_START, PCI_MAPREG_TYPE_MEM, 0, 591 &sc->bufiot, &sc->bufioh, &sc->buf_pciaddr, NULL)) { 592 aprint_error_dev(self, "can't map buffer\n"); 593 return; 594 } 595 596 if (pci_mapreg_map(pa, PCI_MAPREG_START + 4, PCI_MAPREG_TYPE_MEM, 597 BUS_SPACE_MAP_LINEAR, &sc->regiot, &sc->regioh, NULL, NULL)) { 598 aprint_error_dev(self, "can't map registers\n"); 599 return; 600 } 601 602 /* Map and establish the interrupt. */ 603 if (pci_intr_map(pa, &ih)) { 604 aprint_error_dev(self, "couldn't map interrupt\n"); 605 return; 606 } 607 608 mutex_init(&sc->lock, MUTEX_DEFAULT, IPL_NONE); 609 mutex_init(&sc->intr_lock, MUTEX_DEFAULT, IPL_AUDIO); 610 611 intrstr = pci_intr_string(pc, ih); 612 sc->ih = pci_intr_establish(pc, ih, IPL_AUDIO, neo_intr, sc); 613 614 if (sc->ih == NULL) { 615 aprint_error_dev(self, "couldn't establish interrupt"); 616 if (intrstr != NULL) 617 aprint_error(" at %s", intrstr); 618 aprint_error("\n"); 619 mutex_destroy(&sc->lock); 620 mutex_destroy(&sc->intr_lock); 621 return; 622 } 623 aprint_normal_dev(self, "interrupting at %s\n", intrstr); 624 625 mutex_spin_enter(&sc->intr_lock); 626 error = nm_init(sc); 627 mutex_spin_exit(&sc->intr_lock); 628 if (error != 0) { 629 mutex_destroy(&sc->lock); 630 mutex_destroy(&sc->intr_lock); 631 return; 632 } 633 634 /* Enable the device. */ 635 csr = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG); 636 pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 637 csr | PCI_COMMAND_MASTER_ENABLE); 638 639 sc->host_if.arg = sc; 640 sc->host_if.attach = neo_attach_codec; 641 sc->host_if.read = neo_read_codec; 642 sc->host_if.write = neo_write_codec; 643 sc->host_if.reset = neo_reset_codec; 644 sc->host_if.flags = neo_flags_codec; 645 646 if (ac97_attach(&sc->host_if, self, &sc->lock) != 0) { 647 mutex_destroy(&sc->lock); 648 mutex_destroy(&sc->intr_lock); 649 return; 650 } 651 652 if (!pmf_device_register(self, NULL, neo_resume)) 653 aprint_error_dev(self, "couldn't establish power handler\n"); 654 655 audio_attach_mi(&neo_hw_if, sc, self); 656 } 657 658 static int 659 neo_read_codec(void *v, uint8_t a, uint16_t *d) 660 { 661 struct neo_softc *sc; 662 663 sc = v; 664 if (!nm_waitcd(sc)) { 665 *d = nm_rd_2(sc, sc->ac97_base + a); 666 DELAY(1000); 667 return 0; 668 } 669 670 return ENXIO; 671 } 672 673 674 static int 675 neo_write_codec(void *v, u_int8_t a, u_int16_t d) 676 { 677 struct neo_softc *sc; 678 int cnt; 679 680 sc = v; 681 cnt = 3; 682 if (!nm_waitcd(sc)) { 683 while (cnt-- > 0) { 684 nm_wr_2(sc, sc->ac97_base + a, d); 685 if (!nm_waitcd(sc)) { 686 DELAY(1000); 687 return 0; 688 } 689 } 690 } 691 692 return ENXIO; 693 } 694 695 static int 696 neo_attach_codec(void *v, struct ac97_codec_if *codec_if) 697 { 698 struct neo_softc *sc; 699 700 sc = v; 701 sc->codec_if = codec_if; 702 return 0; 703 } 704 705 static int 706 neo_reset_codec(void *v) 707 { 708 struct neo_softc *sc; 709 710 sc = v; 711 nm_wr_1(sc, 0x6c0, 0x01); 712 nm_wr_1(sc, 0x6cc, 0x87); 713 nm_wr_1(sc, 0x6cc, 0x80); 714 nm_wr_1(sc, 0x6cc, 0x00); 715 return 0; 716 } 717 718 static enum ac97_host_flags 719 neo_flags_codec(void *v) 720 { 721 722 return AC97_HOST_DONT_READ; 723 } 724 725 static int 726 neo_query_encoding(void *addr, struct audio_encoding *fp) 727 { 728 729 switch (fp->index) { 730 case 0: 731 strcpy(fp->name, AudioEulinear); 732 fp->encoding = AUDIO_ENCODING_ULINEAR; 733 fp->precision = 8; 734 fp->flags = 0; 735 return 0; 736 case 1: 737 strcpy(fp->name, AudioEmulaw); 738 fp->encoding = AUDIO_ENCODING_ULAW; 739 fp->precision = 8; 740 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 741 return 0; 742 case 2: 743 strcpy(fp->name, AudioEalaw); 744 fp->encoding = AUDIO_ENCODING_ALAW; 745 fp->precision = 8; 746 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 747 return 0; 748 case 3: 749 strcpy(fp->name, AudioEslinear); 750 fp->encoding = AUDIO_ENCODING_SLINEAR; 751 fp->precision = 8; 752 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 753 return (0); 754 case 4: 755 strcpy(fp->name, AudioEslinear_le); 756 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 757 fp->precision = 16; 758 fp->flags = 0; 759 return 0; 760 case 5: 761 strcpy(fp->name, AudioEulinear_le); 762 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 763 fp->precision = 16; 764 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 765 return 0; 766 case 6: 767 strcpy(fp->name, AudioEslinear_be); 768 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 769 fp->precision = 16; 770 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 771 return 0; 772 case 7: 773 strcpy(fp->name, AudioEulinear_be); 774 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 775 fp->precision = 16; 776 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 777 return 0; 778 default: 779 return EINVAL; 780 } 781 } 782 783 /* Todo: don't commit settings to card until we've verified all parameters */ 784 static int 785 neo_set_params(void *addr, int setmode, int usemode, 786 audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil, 787 stream_filter_list_t *rfil) 788 { 789 struct neo_softc *sc; 790 audio_params_t *p; 791 stream_filter_list_t *fil; 792 uint32_t base; 793 uint8_t x; 794 int mode, i; 795 796 sc = addr; 797 for (mode = AUMODE_RECORD; mode != -1; 798 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 799 if ((setmode & mode) == 0) 800 continue; 801 802 p = mode == AUMODE_PLAY ? play : rec; 803 804 if (p == NULL) continue; 805 806 for (x = 0; x < 8; x++) { 807 if (p->sample_rate < 808 (samplerates[x] + samplerates[x + 1]) / 2) 809 break; 810 } 811 if (x == 8) 812 return EINVAL; 813 814 p->sample_rate = samplerates[x]; 815 nm_loadcoeff(sc, mode, x); 816 817 x <<= 4; 818 x &= NM_RATE_MASK; 819 if (p->precision == 16) 820 x |= NM_RATE_BITS_16; 821 if (p->channels == 2) 822 x |= NM_RATE_STEREO; 823 824 base = (mode == AUMODE_PLAY)? 825 NM_PLAYBACK_REG_OFFSET : NM_RECORD_REG_OFFSET; 826 nm_wr_1(sc, base + NM_RATE_REG_OFFSET, x); 827 828 fil = mode == AUMODE_PLAY ? pfil : rfil; 829 i = auconv_set_converter(neo_formats, NEO_NFORMATS, 830 mode, p, FALSE, fil); 831 if (i < 0) 832 return EINVAL; 833 } 834 835 return 0; 836 } 837 838 static int 839 neo_round_blocksize(void *addr, int blk, int mode, 840 const audio_params_t *param) 841 { 842 843 return NM_BUFFSIZE / 2; 844 } 845 846 static int 847 neo_trigger_output(void *addr, void *start, void *end, int blksize, 848 void (*intr)(void *), void *arg, const audio_params_t *param) 849 { 850 struct neo_softc *sc; 851 int ssz; 852 853 sc = addr; 854 sc->pintr = intr; 855 sc->parg = arg; 856 857 ssz = (param->precision == 16) ? 2 : 1; 858 if (param->channels == 2) 859 ssz <<= 1; 860 861 sc->pbufsize = ((char*)end - (char *)start); 862 sc->pblksize = blksize; 863 sc->pwmark = blksize; 864 865 nm_wr_4(sc, NM_PBUFFER_START, sc->pbuf); 866 nm_wr_4(sc, NM_PBUFFER_END, sc->pbuf + sc->pbufsize - ssz); 867 nm_wr_4(sc, NM_PBUFFER_CURRP, sc->pbuf); 868 nm_wr_4(sc, NM_PBUFFER_WMARK, sc->pbuf + sc->pwmark); 869 nm_wr_1(sc, NM_PLAYBACK_ENABLE_REG, NM_PLAYBACK_FREERUN | 870 NM_PLAYBACK_ENABLE_FLAG); 871 nm_wr_2(sc, NM_AUDIO_MUTE_REG, 0); 872 873 return 0; 874 } 875 876 static int 877 neo_trigger_input(void *addr, void *start, void *end, int blksize, 878 void (*intr)(void *), void *arg, const audio_params_t *param) 879 { 880 struct neo_softc *sc; 881 int ssz; 882 883 sc = addr; 884 sc->rintr = intr; 885 sc->rarg = arg; 886 887 ssz = (param->precision == 16) ? 2 : 1; 888 if (param->channels == 2) 889 ssz <<= 1; 890 891 sc->rbufsize = ((char*)end - (char *)start); 892 sc->rblksize = blksize; 893 sc->rwmark = blksize; 894 895 nm_wr_4(sc, NM_RBUFFER_START, sc->rbuf); 896 nm_wr_4(sc, NM_RBUFFER_END, sc->rbuf + sc->rbufsize); 897 nm_wr_4(sc, NM_RBUFFER_CURRP, sc->rbuf); 898 nm_wr_4(sc, NM_RBUFFER_WMARK, sc->rbuf + sc->rwmark); 899 nm_wr_1(sc, NM_RECORD_ENABLE_REG, NM_RECORD_FREERUN | 900 NM_RECORD_ENABLE_FLAG); 901 902 return 0; 903 } 904 905 static int 906 neo_halt_output(void *addr) 907 { 908 struct neo_softc *sc; 909 910 sc = (struct neo_softc *)addr; 911 nm_wr_1(sc, NM_PLAYBACK_ENABLE_REG, 0); 912 nm_wr_2(sc, NM_AUDIO_MUTE_REG, NM_AUDIO_MUTE_BOTH); 913 sc->pintr = 0; 914 915 return 0; 916 } 917 918 static int 919 neo_halt_input(void *addr) 920 { 921 struct neo_softc *sc; 922 923 sc = (struct neo_softc *)addr; 924 nm_wr_1(sc, NM_RECORD_ENABLE_REG, 0); 925 sc->rintr = 0; 926 927 return 0; 928 } 929 930 static int 931 neo_getdev(void *addr, struct audio_device *retp) 932 { 933 934 *retp = neo_device; 935 return 0; 936 } 937 938 static int 939 neo_mixer_set_port(void *addr, mixer_ctrl_t *cp) 940 { 941 struct neo_softc *sc; 942 943 sc = addr; 944 return sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp); 945 } 946 947 static int 948 neo_mixer_get_port(void *addr, mixer_ctrl_t *cp) 949 { 950 struct neo_softc *sc; 951 952 sc = addr; 953 return sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp); 954 } 955 956 static int 957 neo_query_devinfo(void *addr, mixer_devinfo_t *dip) 958 { 959 struct neo_softc *sc; 960 961 sc = addr; 962 return sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip); 963 } 964 965 static void * 966 neo_malloc(void *addr, int direction, size_t size) 967 { 968 struct neo_softc *sc; 969 void *rv; 970 971 sc = addr; 972 rv = NULL; 973 switch (direction) { 974 case AUMODE_PLAY: 975 if (sc->pbuf_allocated == 0) { 976 rv = (void *) sc->pbuf_vaddr; 977 sc->pbuf_allocated = 1; 978 } 979 break; 980 981 case AUMODE_RECORD: 982 if (sc->rbuf_allocated == 0) { 983 rv = (void *) sc->rbuf_vaddr; 984 sc->rbuf_allocated = 1; 985 } 986 break; 987 } 988 989 return rv; 990 } 991 992 static void 993 neo_free(void *addr, void *ptr, size_t size) 994 { 995 struct neo_softc *sc; 996 vaddr_t v; 997 998 sc = addr; 999 v = (vaddr_t)ptr; 1000 if (v == sc->pbuf_vaddr) 1001 sc->pbuf_allocated = 0; 1002 else if (v == sc->rbuf_vaddr) 1003 sc->rbuf_allocated = 0; 1004 else 1005 printf("neo_free: bad address %p\n", ptr); 1006 } 1007 1008 static size_t 1009 neo_round_buffersize(void *addr, int direction, size_t size) 1010 { 1011 1012 return NM_BUFFSIZE; 1013 } 1014 1015 static paddr_t 1016 neo_mappage(void *addr, void *mem, off_t off, int prot) 1017 { 1018 struct neo_softc *sc; 1019 vaddr_t v; 1020 bus_addr_t pciaddr; 1021 1022 sc = addr; 1023 v = (vaddr_t)mem; 1024 if (v == sc->pbuf_vaddr) 1025 pciaddr = sc->pbuf_pciaddr; 1026 else if (v == sc->rbuf_vaddr) 1027 pciaddr = sc->rbuf_pciaddr; 1028 else 1029 return -1; 1030 1031 return bus_space_mmap(sc->bufiot, pciaddr, off, prot, 1032 BUS_SPACE_MAP_LINEAR); 1033 } 1034 1035 static int 1036 neo_get_props(void *addr) 1037 { 1038 1039 return AUDIO_PROP_INDEPENDENT | AUDIO_PROP_MMAP | 1040 AUDIO_PROP_FULLDUPLEX; 1041 } 1042 1043 static void 1044 neo_get_locks(void *addr, kmutex_t **intr, kmutex_t **thread) 1045 { 1046 struct neo_softc *sc; 1047 1048 sc = addr; 1049 *intr = &sc->intr_lock; 1050 *thread = &sc->lock; 1051 } 1052