1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License as published by 4 * the Free Software Foundation; either version 2 of the License, or 5 * (at your option) any later version. 6 * 7 * This program is distributed in the hope that it will be useful, 8 * but WITHOUT ANY WARRANTY; without even the implied warranty of 9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 * GNU General Public License for more details. 11 * 12 * You should have received a copy of the GNU General Public License 13 * along with this program; if not, write to the Free Software 14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 15 */ 16 17 #include <linux/init.h> 18 #include <linux/slab.h> 19 #include <linux/usb.h> 20 #include <linux/usb/audio.h> 21 #include <linux/usb/midi.h> 22 #include <linux/bits.h> 23 24 #include <sound/control.h> 25 #include <sound/core.h> 26 #include <sound/info.h> 27 #include <sound/pcm.h> 28 29 #include "usbaudio.h" 30 #include "card.h" 31 #include "mixer.h" 32 #include "mixer_quirks.h" 33 #include "midi.h" 34 #include "quirks.h" 35 #include "helper.h" 36 #include "endpoint.h" 37 #include "pcm.h" 38 #include "clock.h" 39 #include "stream.h" 40 41 /* 42 * handle the quirks for the contained interfaces 43 */ 44 static int create_composite_quirk(struct snd_usb_audio *chip, 45 struct usb_interface *iface, 46 struct usb_driver *driver, 47 const struct snd_usb_audio_quirk *quirk_comp) 48 { 49 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 50 const struct snd_usb_audio_quirk *quirk; 51 int err; 52 53 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 54 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 55 if (!iface) 56 continue; 57 if (quirk->ifnum != probed_ifnum && 58 usb_interface_claimed(iface)) 59 continue; 60 err = snd_usb_create_quirk(chip, iface, driver, quirk); 61 if (err < 0) 62 return err; 63 } 64 65 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 66 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 67 if (!iface) 68 continue; 69 if (quirk->ifnum != probed_ifnum && 70 !usb_interface_claimed(iface)) 71 usb_driver_claim_interface(driver, iface, (void *)-1L); 72 } 73 74 return 0; 75 } 76 77 static int ignore_interface_quirk(struct snd_usb_audio *chip, 78 struct usb_interface *iface, 79 struct usb_driver *driver, 80 const struct snd_usb_audio_quirk *quirk) 81 { 82 return 0; 83 } 84 85 86 /* 87 * Allow alignment on audio sub-slot (channel samples) rather than 88 * on audio slots (audio frames) 89 */ 90 static int create_align_transfer_quirk(struct snd_usb_audio *chip, 91 struct usb_interface *iface, 92 struct usb_driver *driver, 93 const struct snd_usb_audio_quirk *quirk) 94 { 95 chip->txfr_quirk = 1; 96 return 1; /* Continue with creating streams and mixer */ 97 } 98 99 static int create_any_midi_quirk(struct snd_usb_audio *chip, 100 struct usb_interface *intf, 101 struct usb_driver *driver, 102 const struct snd_usb_audio_quirk *quirk) 103 { 104 return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); 105 } 106 107 /* 108 * create a stream for an interface with proper descriptors 109 */ 110 static int create_standard_audio_quirk(struct snd_usb_audio *chip, 111 struct usb_interface *iface, 112 struct usb_driver *driver, 113 const struct snd_usb_audio_quirk *quirk) 114 { 115 struct usb_host_interface *alts; 116 struct usb_interface_descriptor *altsd; 117 int err; 118 119 if (chip->usb_id == USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */ 120 chip->tx_length_quirk = 1; 121 122 alts = &iface->altsetting[0]; 123 altsd = get_iface_desc(alts); 124 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); 125 if (err < 0) { 126 usb_audio_err(chip, "cannot setup if %d: error %d\n", 127 altsd->bInterfaceNumber, err); 128 return err; 129 } 130 /* reset the current interface */ 131 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); 132 return 0; 133 } 134 135 /* 136 * create a stream for an endpoint/altsetting without proper descriptors 137 */ 138 static int create_fixed_stream_quirk(struct snd_usb_audio *chip, 139 struct usb_interface *iface, 140 struct usb_driver *driver, 141 const struct snd_usb_audio_quirk *quirk) 142 { 143 struct audioformat *fp; 144 struct usb_host_interface *alts; 145 struct usb_interface_descriptor *altsd; 146 int stream, err; 147 unsigned *rate_table = NULL; 148 149 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); 150 if (!fp) 151 return -ENOMEM; 152 153 INIT_LIST_HEAD(&fp->list); 154 if (fp->nr_rates > MAX_NR_RATES) { 155 kfree(fp); 156 return -EINVAL; 157 } 158 if (fp->nr_rates > 0) { 159 rate_table = kmemdup(fp->rate_table, 160 sizeof(int) * fp->nr_rates, GFP_KERNEL); 161 if (!rate_table) { 162 kfree(fp); 163 return -ENOMEM; 164 } 165 fp->rate_table = rate_table; 166 } 167 168 stream = (fp->endpoint & USB_DIR_IN) 169 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 170 err = snd_usb_add_audio_stream(chip, stream, fp); 171 if (err < 0) 172 goto error; 173 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || 174 fp->altset_idx >= iface->num_altsetting) { 175 err = -EINVAL; 176 goto error; 177 } 178 alts = &iface->altsetting[fp->altset_idx]; 179 altsd = get_iface_desc(alts); 180 if (altsd->bNumEndpoints < 1) { 181 err = -EINVAL; 182 goto error; 183 } 184 185 fp->protocol = altsd->bInterfaceProtocol; 186 187 if (fp->datainterval == 0) 188 fp->datainterval = snd_usb_parse_datainterval(chip, alts); 189 if (fp->maxpacksize == 0) 190 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 191 usb_set_interface(chip->dev, fp->iface, 0); 192 snd_usb_init_pitch(chip, fp->iface, alts, fp); 193 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); 194 return 0; 195 196 error: 197 list_del(&fp->list); /* unlink for avoiding double-free */ 198 kfree(fp); 199 kfree(rate_table); 200 return err; 201 } 202 203 static int create_auto_pcm_quirk(struct snd_usb_audio *chip, 204 struct usb_interface *iface, 205 struct usb_driver *driver) 206 { 207 struct usb_host_interface *alts; 208 struct usb_interface_descriptor *altsd; 209 struct usb_endpoint_descriptor *epd; 210 struct uac1_as_header_descriptor *ashd; 211 struct uac_format_type_i_discrete_descriptor *fmtd; 212 213 /* 214 * Most Roland/Yamaha audio streaming interfaces have more or less 215 * standard descriptors, but older devices might lack descriptors, and 216 * future ones might change, so ensure that we fail silently if the 217 * interface doesn't look exactly right. 218 */ 219 220 /* must have a non-zero altsetting for streaming */ 221 if (iface->num_altsetting < 2) 222 return -ENODEV; 223 alts = &iface->altsetting[1]; 224 altsd = get_iface_desc(alts); 225 226 /* must have an isochronous endpoint for streaming */ 227 if (altsd->bNumEndpoints < 1) 228 return -ENODEV; 229 epd = get_endpoint(alts, 0); 230 if (!usb_endpoint_xfer_isoc(epd)) 231 return -ENODEV; 232 233 /* must have format descriptors */ 234 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 235 UAC_AS_GENERAL); 236 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 237 UAC_FORMAT_TYPE); 238 if (!ashd || ashd->bLength < 7 || 239 !fmtd || fmtd->bLength < 8) 240 return -ENODEV; 241 242 return create_standard_audio_quirk(chip, iface, driver, NULL); 243 } 244 245 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, 246 struct usb_interface *iface, 247 struct usb_driver *driver, 248 struct usb_host_interface *alts) 249 { 250 static const struct snd_usb_audio_quirk yamaha_midi_quirk = { 251 .type = QUIRK_MIDI_YAMAHA 252 }; 253 struct usb_midi_in_jack_descriptor *injd; 254 struct usb_midi_out_jack_descriptor *outjd; 255 256 /* must have some valid jack descriptors */ 257 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 258 NULL, USB_MS_MIDI_IN_JACK); 259 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 260 NULL, USB_MS_MIDI_OUT_JACK); 261 if (!injd && !outjd) 262 return -ENODEV; 263 if (injd && (injd->bLength < 5 || 264 (injd->bJackType != USB_MS_EMBEDDED && 265 injd->bJackType != USB_MS_EXTERNAL))) 266 return -ENODEV; 267 if (outjd && (outjd->bLength < 6 || 268 (outjd->bJackType != USB_MS_EMBEDDED && 269 outjd->bJackType != USB_MS_EXTERNAL))) 270 return -ENODEV; 271 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); 272 } 273 274 static int create_roland_midi_quirk(struct snd_usb_audio *chip, 275 struct usb_interface *iface, 276 struct usb_driver *driver, 277 struct usb_host_interface *alts) 278 { 279 static const struct snd_usb_audio_quirk roland_midi_quirk = { 280 .type = QUIRK_MIDI_ROLAND 281 }; 282 u8 *roland_desc = NULL; 283 284 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ 285 for (;;) { 286 roland_desc = snd_usb_find_csint_desc(alts->extra, 287 alts->extralen, 288 roland_desc, 0xf1); 289 if (!roland_desc) 290 return -ENODEV; 291 if (roland_desc[0] < 6 || roland_desc[3] != 2) 292 continue; 293 return create_any_midi_quirk(chip, iface, driver, 294 &roland_midi_quirk); 295 } 296 } 297 298 static int create_std_midi_quirk(struct snd_usb_audio *chip, 299 struct usb_interface *iface, 300 struct usb_driver *driver, 301 struct usb_host_interface *alts) 302 { 303 struct usb_ms_header_descriptor *mshd; 304 struct usb_ms_endpoint_descriptor *msepd; 305 306 /* must have the MIDIStreaming interface header descriptor*/ 307 mshd = (struct usb_ms_header_descriptor *)alts->extra; 308 if (alts->extralen < 7 || 309 mshd->bLength < 7 || 310 mshd->bDescriptorType != USB_DT_CS_INTERFACE || 311 mshd->bDescriptorSubtype != USB_MS_HEADER) 312 return -ENODEV; 313 /* must have the MIDIStreaming endpoint descriptor*/ 314 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; 315 if (alts->endpoint[0].extralen < 4 || 316 msepd->bLength < 4 || 317 msepd->bDescriptorType != USB_DT_CS_ENDPOINT || 318 msepd->bDescriptorSubtype != UAC_MS_GENERAL || 319 msepd->bNumEmbMIDIJack < 1 || 320 msepd->bNumEmbMIDIJack > 16) 321 return -ENODEV; 322 323 return create_any_midi_quirk(chip, iface, driver, NULL); 324 } 325 326 static int create_auto_midi_quirk(struct snd_usb_audio *chip, 327 struct usb_interface *iface, 328 struct usb_driver *driver) 329 { 330 struct usb_host_interface *alts; 331 struct usb_interface_descriptor *altsd; 332 struct usb_endpoint_descriptor *epd; 333 int err; 334 335 alts = &iface->altsetting[0]; 336 altsd = get_iface_desc(alts); 337 338 /* must have at least one bulk/interrupt endpoint for streaming */ 339 if (altsd->bNumEndpoints < 1) 340 return -ENODEV; 341 epd = get_endpoint(alts, 0); 342 if (!usb_endpoint_xfer_bulk(epd) && 343 !usb_endpoint_xfer_int(epd)) 344 return -ENODEV; 345 346 switch (USB_ID_VENDOR(chip->usb_id)) { 347 case 0x0499: /* Yamaha */ 348 err = create_yamaha_midi_quirk(chip, iface, driver, alts); 349 if (err != -ENODEV) 350 return err; 351 break; 352 case 0x0582: /* Roland */ 353 err = create_roland_midi_quirk(chip, iface, driver, alts); 354 if (err != -ENODEV) 355 return err; 356 break; 357 } 358 359 return create_std_midi_quirk(chip, iface, driver, alts); 360 } 361 362 static int create_autodetect_quirk(struct snd_usb_audio *chip, 363 struct usb_interface *iface, 364 struct usb_driver *driver) 365 { 366 int err; 367 368 err = create_auto_pcm_quirk(chip, iface, driver); 369 if (err == -ENODEV) 370 err = create_auto_midi_quirk(chip, iface, driver); 371 return err; 372 } 373 374 static int create_autodetect_quirks(struct snd_usb_audio *chip, 375 struct usb_interface *iface, 376 struct usb_driver *driver, 377 const struct snd_usb_audio_quirk *quirk) 378 { 379 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 380 int ifcount, ifnum, err; 381 382 err = create_autodetect_quirk(chip, iface, driver); 383 if (err < 0) 384 return err; 385 386 /* 387 * ALSA PCM playback/capture devices cannot be registered in two steps, 388 * so we have to claim the other corresponding interface here. 389 */ 390 ifcount = chip->dev->actconfig->desc.bNumInterfaces; 391 for (ifnum = 0; ifnum < ifcount; ifnum++) { 392 if (ifnum == probed_ifnum || quirk->ifnum >= 0) 393 continue; 394 iface = usb_ifnum_to_if(chip->dev, ifnum); 395 if (!iface || 396 usb_interface_claimed(iface) || 397 get_iface_desc(iface->altsetting)->bInterfaceClass != 398 USB_CLASS_VENDOR_SPEC) 399 continue; 400 401 err = create_autodetect_quirk(chip, iface, driver); 402 if (err >= 0) 403 usb_driver_claim_interface(driver, iface, (void *)-1L); 404 } 405 406 return 0; 407 } 408 409 /* 410 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 411 * The only way to detect the sample rate is by looking at wMaxPacketSize. 412 */ 413 static int create_uaxx_quirk(struct snd_usb_audio *chip, 414 struct usb_interface *iface, 415 struct usb_driver *driver, 416 const struct snd_usb_audio_quirk *quirk) 417 { 418 static const struct audioformat ua_format = { 419 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 420 .channels = 2, 421 .fmt_type = UAC_FORMAT_TYPE_I, 422 .altsetting = 1, 423 .altset_idx = 1, 424 .rates = SNDRV_PCM_RATE_CONTINUOUS, 425 }; 426 struct usb_host_interface *alts; 427 struct usb_interface_descriptor *altsd; 428 struct audioformat *fp; 429 int stream, err; 430 431 /* both PCM and MIDI interfaces have 2 or more altsettings */ 432 if (iface->num_altsetting < 2) 433 return -ENXIO; 434 alts = &iface->altsetting[1]; 435 altsd = get_iface_desc(alts); 436 437 if (altsd->bNumEndpoints == 2) { 438 static const struct snd_usb_midi_endpoint_info ua700_ep = { 439 .out_cables = 0x0003, 440 .in_cables = 0x0003 441 }; 442 static const struct snd_usb_audio_quirk ua700_quirk = { 443 .type = QUIRK_MIDI_FIXED_ENDPOINT, 444 .data = &ua700_ep 445 }; 446 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 447 .out_cables = 0x0001, 448 .in_cables = 0x0001 449 }; 450 static const struct snd_usb_audio_quirk uaxx_quirk = { 451 .type = QUIRK_MIDI_FIXED_ENDPOINT, 452 .data = &uaxx_ep 453 }; 454 const struct snd_usb_audio_quirk *quirk = 455 chip->usb_id == USB_ID(0x0582, 0x002b) 456 ? &ua700_quirk : &uaxx_quirk; 457 return __snd_usbmidi_create(chip->card, iface, 458 &chip->midi_list, quirk, 459 chip->usb_id); 460 } 461 462 if (altsd->bNumEndpoints != 1) 463 return -ENXIO; 464 465 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 466 if (!fp) 467 return -ENOMEM; 468 469 fp->iface = altsd->bInterfaceNumber; 470 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 471 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 472 fp->datainterval = 0; 473 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 474 INIT_LIST_HEAD(&fp->list); 475 476 switch (fp->maxpacksize) { 477 case 0x120: 478 fp->rate_max = fp->rate_min = 44100; 479 break; 480 case 0x138: 481 case 0x140: 482 fp->rate_max = fp->rate_min = 48000; 483 break; 484 case 0x258: 485 case 0x260: 486 fp->rate_max = fp->rate_min = 96000; 487 break; 488 default: 489 usb_audio_err(chip, "unknown sample rate\n"); 490 kfree(fp); 491 return -ENXIO; 492 } 493 494 stream = (fp->endpoint & USB_DIR_IN) 495 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 496 err = snd_usb_add_audio_stream(chip, stream, fp); 497 if (err < 0) { 498 list_del(&fp->list); /* unlink for avoiding double-free */ 499 kfree(fp); 500 return err; 501 } 502 usb_set_interface(chip->dev, fp->iface, 0); 503 return 0; 504 } 505 506 /* 507 * Create a standard mixer for the specified interface. 508 */ 509 static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 510 struct usb_interface *iface, 511 struct usb_driver *driver, 512 const struct snd_usb_audio_quirk *quirk) 513 { 514 if (quirk->ifnum < 0) 515 return 0; 516 517 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 518 } 519 520 /* 521 * audio-interface quirks 522 * 523 * returns zero if no standard audio/MIDI parsing is needed. 524 * returns a positive value if standard audio/midi interfaces are parsed 525 * after this. 526 * returns a negative value at error. 527 */ 528 int snd_usb_create_quirk(struct snd_usb_audio *chip, 529 struct usb_interface *iface, 530 struct usb_driver *driver, 531 const struct snd_usb_audio_quirk *quirk) 532 { 533 typedef int (*quirk_func_t)(struct snd_usb_audio *, 534 struct usb_interface *, 535 struct usb_driver *, 536 const struct snd_usb_audio_quirk *); 537 static const quirk_func_t quirk_funcs[] = { 538 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 539 [QUIRK_COMPOSITE] = create_composite_quirk, 540 [QUIRK_AUTODETECT] = create_autodetect_quirks, 541 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 542 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 543 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 544 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, 545 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 546 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 547 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 548 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 549 [QUIRK_MIDI_CME] = create_any_midi_quirk, 550 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 551 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 552 [QUIRK_MIDI_CH345] = create_any_midi_quirk, 553 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 554 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 555 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 556 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 557 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 558 }; 559 560 if (quirk->type < QUIRK_TYPE_COUNT) { 561 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 562 } else { 563 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); 564 return -ENXIO; 565 } 566 } 567 568 /* 569 * boot quirks 570 */ 571 572 #define EXTIGY_FIRMWARE_SIZE_OLD 794 573 #define EXTIGY_FIRMWARE_SIZE_NEW 483 574 575 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 576 { 577 struct usb_host_config *config = dev->actconfig; 578 int err; 579 580 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 581 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 582 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); 583 /* Send message to force it to reconnect with full interface. */ 584 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 585 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 586 if (err < 0) 587 dev_dbg(&dev->dev, "error sending boot message: %d\n", err); 588 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 589 &dev->descriptor, sizeof(dev->descriptor)); 590 config = dev->actconfig; 591 if (err < 0) 592 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 593 err = usb_reset_configuration(dev); 594 if (err < 0) 595 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 596 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", 597 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 598 return -ENODEV; /* quit this anyway */ 599 } 600 return 0; 601 } 602 603 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 604 { 605 u8 buf = 1; 606 607 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 608 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 609 0, 0, &buf, 1); 610 if (buf == 0) { 611 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 612 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 613 1, 2000, NULL, 0); 614 return -ENODEV; 615 } 616 return 0; 617 } 618 619 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 620 { 621 int err; 622 623 if (dev->actconfig->desc.bConfigurationValue == 1) { 624 dev_info(&dev->dev, 625 "Fast Track Pro switching to config #2\n"); 626 /* This function has to be available by the usb core module. 627 * if it is not avialable the boot quirk has to be left out 628 * and the configuration has to be set by udev or hotplug 629 * rules 630 */ 631 err = usb_driver_set_configuration(dev, 2); 632 if (err < 0) 633 dev_dbg(&dev->dev, 634 "error usb_driver_set_configuration: %d\n", 635 err); 636 /* Always return an error, so that we stop creating a device 637 that will just be destroyed and recreated with a new 638 configuration */ 639 return -ENODEV; 640 } else 641 dev_info(&dev->dev, "Fast Track Pro config OK\n"); 642 643 return 0; 644 } 645 646 /* 647 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 648 * documented in the device's data sheet. 649 */ 650 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 651 { 652 u8 buf[4]; 653 buf[0] = 0x20; 654 buf[1] = value & 0xff; 655 buf[2] = (value >> 8) & 0xff; 656 buf[3] = reg; 657 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 658 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 659 0, 0, &buf, 4); 660 } 661 662 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 663 { 664 /* 665 * Enable line-out driver mode, set headphone source to front 666 * channels, enable stereo mic. 667 */ 668 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 669 } 670 671 /* 672 * CM6206 registers from the CM6206 datasheet rev 2.1 673 */ 674 #define CM6206_REG0_DMA_MASTER BIT(15) 675 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12) 676 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12) 677 /* Bit 4 thru 11 is the S/PDIF category code */ 678 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4) 679 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3) 680 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2) 681 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1) 682 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0) 683 684 #define CM6206_REG1_TEST_SEL_CLK BIT(14) 685 #define CM6206_REG1_PLLBIN_EN BIT(13) 686 #define CM6206_REG1_SOFT_MUTE_EN BIT(12) 687 #define CM6206_REG1_GPIO4_OUT BIT(11) 688 #define CM6206_REG1_GPIO4_OE BIT(10) 689 #define CM6206_REG1_GPIO3_OUT BIT(9) 690 #define CM6206_REG1_GPIO3_OE BIT(8) 691 #define CM6206_REG1_GPIO2_OUT BIT(7) 692 #define CM6206_REG1_GPIO2_OE BIT(6) 693 #define CM6206_REG1_GPIO1_OUT BIT(5) 694 #define CM6206_REG1_GPIO1_OE BIT(4) 695 #define CM6206_REG1_SPDIFO_INVALID BIT(3) 696 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2) 697 #define CM6206_REG1_SPDIFO_DIS BIT(1) 698 #define CM6206_REG1_SPDIFI_MIX BIT(0) 699 700 #define CM6206_REG2_DRIVER_ON BIT(15) 701 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13) 702 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13) 703 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13) 704 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13) 705 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12) 706 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11) 707 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10) 708 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9) 709 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8) 710 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7) 711 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6) 712 #define CM6206_REG2_MUTE_CENTER BIT(5) 713 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3) 714 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3) 715 #define CM6206_REG2_EN_BTL BIT(2) 716 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0) 717 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1) 718 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2) 719 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3) 720 721 /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */ 722 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11) 723 #define CM6206_REG3_VRAP25EN BIT(10) 724 #define CM6206_REG3_MSEL1 BIT(9) 725 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7) 726 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7) 727 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7) 728 #define CM6206_REG3_PINSEL BIT(6) 729 #define CM6206_REG3_FOE BIT(5) 730 #define CM6206_REG3_ROE BIT(4) 731 #define CM6206_REG3_CBOE BIT(3) 732 #define CM6206_REG3_LOSE BIT(2) 733 #define CM6206_REG3_HPOE BIT(1) 734 #define CM6206_REG3_SPDIFI_CANREC BIT(0) 735 736 #define CM6206_REG5_DA_RSTN BIT(13) 737 #define CM6206_REG5_AD_RSTN BIT(12) 738 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12) 739 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9) 740 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9) 741 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9) 742 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9) 743 #define CM6206_REG5_CODECM BIT(8) 744 #define CM6206_REG5_EN_HPF BIT(7) 745 #define CM6206_REG5_T_SEL_DSDA4 BIT(6) 746 #define CM6206_REG5_T_SEL_DSDA3 BIT(5) 747 #define CM6206_REG5_T_SEL_DSDA2 BIT(4) 748 #define CM6206_REG5_T_SEL_DSDA1 BIT(3) 749 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0 750 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4 751 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5 752 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6 753 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7 754 755 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 756 { 757 int err = 0, reg; 758 int val[] = { 759 /* 760 * Values here are chosen based on sniffing USB traffic 761 * under Windows. 762 * 763 * REG0: DAC is master, sample rate 48kHz, no copyright 764 */ 765 CM6206_REG0_SPDIFO_RATE_48K | 766 CM6206_REG0_SPDIFO_COPYRIGHT_NA, 767 /* 768 * REG1: PLL binary search enable, soft mute enable. 769 */ 770 CM6206_REG1_PLLBIN_EN | 771 CM6206_REG1_SOFT_MUTE_EN, 772 /* 773 * REG2: enable output drivers, 774 * select front channels to the headphone output, 775 * then mute the headphone channels, run the MCU 776 * at 1.5 MHz. 777 */ 778 CM6206_REG2_DRIVER_ON | 779 CM6206_REG2_HEADP_SEL_FRONT_CHANNELS | 780 CM6206_REG2_MUTE_HEADPHONE_RIGHT | 781 CM6206_REG2_MUTE_HEADPHONE_LEFT, 782 /* 783 * REG3: default flyspeed, set 2.5V mic bias 784 * enable all line out ports and enable SPDIF 785 */ 786 CM6206_REG3_FLYSPEED_DEFAULT | 787 CM6206_REG3_VRAP25EN | 788 CM6206_REG3_FOE | 789 CM6206_REG3_ROE | 790 CM6206_REG3_CBOE | 791 CM6206_REG3_LOSE | 792 CM6206_REG3_HPOE | 793 CM6206_REG3_SPDIFI_CANREC, 794 /* REG4 is just a bunch of GPIO lines */ 795 0x0000, 796 /* REG5: de-assert AD/DA reset signals */ 797 CM6206_REG5_DA_RSTN | 798 CM6206_REG5_AD_RSTN }; 799 800 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 801 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 802 if (err < 0) 803 return err; 804 } 805 806 return err; 807 } 808 809 /* quirk for Plantronics GameCom 780 with CM6302 chip */ 810 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) 811 { 812 /* set the initial volume and don't change; other values are either 813 * too loud or silent due to firmware bug (bko#65251) 814 */ 815 u8 buf[2] = { 0x74, 0xe3 }; 816 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 817 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 818 UAC_FU_VOLUME << 8, 9 << 8, buf, 2); 819 } 820 821 /* 822 * Novation Twitch DJ controller 823 * Focusrite Novation Saffire 6 USB audio card 824 */ 825 static int snd_usb_novation_boot_quirk(struct usb_device *dev) 826 { 827 /* preemptively set up the device because otherwise the 828 * raw MIDI endpoints are not active */ 829 usb_set_interface(dev, 0, 1); 830 return 0; 831 } 832 833 /* 834 * This call will put the synth in "USB send" mode, i.e it will send MIDI 835 * messages through USB (this is disabled at startup). The synth will 836 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 837 * sign on its LCD. Values here are chosen based on sniffing USB traffic 838 * under Windows. 839 */ 840 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 841 { 842 int err, actual_length; 843 /* "midi send" enable */ 844 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 845 void *buf; 846 847 if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x05))) 848 return -EINVAL; 849 buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 850 if (!buf) 851 return -ENOMEM; 852 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 853 ARRAY_SIZE(seq), &actual_length, 1000); 854 kfree(buf); 855 if (err < 0) 856 return err; 857 858 return 0; 859 } 860 861 /* 862 * Some sound cards from Native Instruments are in fact compliant to the USB 863 * audio standard of version 2 and other approved USB standards, even though 864 * they come up as vendor-specific device when first connected. 865 * 866 * However, they can be told to come up with a new set of descriptors 867 * upon their next enumeration, and the interfaces announced by the new 868 * descriptors will then be handled by the kernel's class drivers. As the 869 * product ID will also change, no further checks are required. 870 */ 871 872 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 873 { 874 int ret; 875 876 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0))) 877 return -EINVAL; 878 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 879 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 880 1, 0, NULL, 0, 1000); 881 882 if (ret < 0) 883 return ret; 884 885 usb_reset_device(dev); 886 887 /* return -EAGAIN, so the creation of an audio interface for this 888 * temporary device is aborted. The device will reconnect with a 889 * new product ID */ 890 return -EAGAIN; 891 } 892 893 static void mbox2_setup_48_24_magic(struct usb_device *dev) 894 { 895 u8 srate[3]; 896 u8 temp[12]; 897 898 /* Choose 48000Hz permanently */ 899 srate[0] = 0x80; 900 srate[1] = 0xbb; 901 srate[2] = 0x00; 902 903 /* Send the magic! */ 904 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 905 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); 906 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 907 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); 908 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 909 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); 910 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 911 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); 912 return; 913 } 914 915 /* Digidesign Mbox 2 needs to load firmware onboard 916 * and driver must wait a few seconds for initialisation. 917 */ 918 919 #define MBOX2_FIRMWARE_SIZE 646 920 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ 921 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ 922 923 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) 924 { 925 struct usb_host_config *config = dev->actconfig; 926 int err; 927 u8 bootresponse[0x12]; 928 int fwsize; 929 int count; 930 931 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); 932 933 if (fwsize != MBOX2_FIRMWARE_SIZE) { 934 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); 935 return -ENODEV; 936 } 937 938 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); 939 940 count = 0; 941 bootresponse[0] = MBOX2_BOOT_LOADING; 942 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { 943 msleep(500); /* 0.5 second delay */ 944 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 945 /* Control magic - load onboard firmware */ 946 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); 947 if (bootresponse[0] == MBOX2_BOOT_READY) 948 break; 949 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); 950 count++; 951 } 952 953 if (bootresponse[0] != MBOX2_BOOT_READY) { 954 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); 955 return -ENODEV; 956 } 957 958 dev_dbg(&dev->dev, "device initialised!\n"); 959 960 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 961 &dev->descriptor, sizeof(dev->descriptor)); 962 config = dev->actconfig; 963 if (err < 0) 964 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 965 966 err = usb_reset_configuration(dev); 967 if (err < 0) 968 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 969 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", 970 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 971 972 mbox2_setup_48_24_magic(dev); 973 974 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); 975 976 return 0; /* Successful boot */ 977 } 978 979 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev) 980 { 981 int err; 982 983 dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n"); 984 985 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0))) 986 return -EINVAL; 987 /* If the Axe-Fx III has not fully booted, it will timeout when trying 988 * to enable the audio streaming interface. A more generous timeout is 989 * used here to detect when the Axe-Fx III has finished booting as the 990 * set interface message will be acked once it has 991 */ 992 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 993 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, 994 1, 1, NULL, 0, 120000); 995 if (err < 0) { 996 dev_err(&dev->dev, 997 "failed waiting for Axe-Fx III to boot: %d\n", err); 998 return err; 999 } 1000 1001 dev_dbg(&dev->dev, "Axe-Fx III is now ready\n"); 1002 1003 err = usb_set_interface(dev, 1, 0); 1004 if (err < 0) 1005 dev_dbg(&dev->dev, 1006 "error stopping Axe-Fx III interface: %d\n", err); 1007 1008 return 0; 1009 } 1010 1011 1012 #define MICROBOOK_BUF_SIZE 128 1013 1014 static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf, 1015 int buf_size, int *length) 1016 { 1017 int err, actual_length; 1018 1019 if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x01))) 1020 return -EINVAL; 1021 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length, 1022 &actual_length, 1000); 1023 if (err < 0) 1024 return err; 1025 1026 print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1, 1027 buf, actual_length, false); 1028 1029 memset(buf, 0, buf_size); 1030 1031 if (snd_usb_pipe_sanity_check(dev, usb_rcvintpipe(dev, 0x82))) 1032 return -EINVAL; 1033 err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size, 1034 &actual_length, 1000); 1035 if (err < 0) 1036 return err; 1037 1038 print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1, 1039 buf, actual_length, false); 1040 1041 *length = actual_length; 1042 return 0; 1043 } 1044 1045 static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev) 1046 { 1047 int err, actual_length, poll_attempts = 0; 1048 static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00, 1049 0x00, 0x00, 0x0b, 0x14, 1050 0x00, 0x00, 0x00, 0x01 }; 1051 static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00, 1052 0x00, 0x00, 0x0b, 0x18 }; 1053 u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL); 1054 1055 if (!buf) 1056 return -ENOMEM; 1057 1058 dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n"); 1059 1060 /* First we tell the device which sample rate to use. */ 1061 memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq)); 1062 actual_length = sizeof(set_samplerate_seq); 1063 err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE, 1064 &actual_length); 1065 1066 if (err < 0) { 1067 dev_err(&dev->dev, 1068 "failed setting the sample rate for Motu MicroBook II: %d\n", 1069 err); 1070 goto free_buf; 1071 } 1072 1073 /* Then we poll every 100 ms until the device informs of its readiness. */ 1074 while (true) { 1075 if (++poll_attempts > 100) { 1076 dev_err(&dev->dev, 1077 "failed booting Motu MicroBook II: timeout\n"); 1078 err = -ENODEV; 1079 goto free_buf; 1080 } 1081 1082 memset(buf, 0, MICROBOOK_BUF_SIZE); 1083 memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq)); 1084 1085 actual_length = sizeof(poll_ready_seq); 1086 err = snd_usb_motu_microbookii_communicate( 1087 dev, buf, MICROBOOK_BUF_SIZE, &actual_length); 1088 if (err < 0) { 1089 dev_err(&dev->dev, 1090 "failed booting Motu MicroBook II: communication error %d\n", 1091 err); 1092 goto free_buf; 1093 } 1094 1095 /* the device signals its readiness through a message of the 1096 * form 1097 * XX 06 00 00 00 00 0b 18 00 00 00 01 1098 * If the device is not yet ready to accept audio data, the 1099 * last byte of that sequence is 00. 1100 */ 1101 if (actual_length == 12 && buf[actual_length - 1] == 1) 1102 break; 1103 1104 msleep(100); 1105 } 1106 1107 dev_info(&dev->dev, "MOTU MicroBook II ready\n"); 1108 1109 free_buf: 1110 kfree(buf); 1111 return err; 1112 } 1113 1114 /* 1115 * Setup quirks 1116 */ 1117 #define MAUDIO_SET 0x01 /* parse device_setup */ 1118 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 1119 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 1120 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 1121 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 1122 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 1123 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 1124 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 1125 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 1126 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 1127 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 1128 1129 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 1130 int iface, int altno) 1131 { 1132 /* Reset ALL ifaces to 0 altsetting. 1133 * Call it for every possible altsetting of every interface. 1134 */ 1135 usb_set_interface(chip->dev, iface, 0); 1136 if (chip->setup & MAUDIO_SET) { 1137 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 1138 if (iface != 1 && iface != 2) 1139 return 1; /* skip all interfaces but 1 and 2 */ 1140 } else { 1141 unsigned int mask; 1142 if (iface == 1 || iface == 2) 1143 return 1; /* skip interfaces 1 and 2 */ 1144 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1145 return 1; /* skip this altsetting */ 1146 mask = chip->setup & MAUDIO_SET_MASK; 1147 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1148 return 1; /* skip this altsetting */ 1149 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1150 return 1; /* skip this altsetting */ 1151 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 1152 return 1; /* skip this altsetting */ 1153 } 1154 } 1155 usb_audio_dbg(chip, 1156 "using altsetting %d for interface %d config %d\n", 1157 altno, iface, chip->setup); 1158 return 0; /* keep this altsetting */ 1159 } 1160 1161 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 1162 int iface, 1163 int altno) 1164 { 1165 /* Reset ALL ifaces to 0 altsetting. 1166 * Call it for every possible altsetting of every interface. 1167 */ 1168 usb_set_interface(chip->dev, iface, 0); 1169 1170 if (chip->setup & MAUDIO_SET) { 1171 unsigned int mask; 1172 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 1173 return 1; /* skip this altsetting */ 1174 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1175 return 1; /* skip this altsetting */ 1176 mask = chip->setup & MAUDIO_SET_MASK; 1177 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1178 return 1; /* skip this altsetting */ 1179 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1180 return 1; /* skip this altsetting */ 1181 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 1182 return 1; /* skip this altsetting */ 1183 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 1184 return 1; /* skip this altsetting */ 1185 } 1186 1187 return 0; /* keep this altsetting */ 1188 } 1189 1190 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 1191 int iface, int altno) 1192 { 1193 /* Reset ALL ifaces to 0 altsetting. 1194 * Call it for every possible altsetting of every interface. 1195 */ 1196 usb_set_interface(chip->dev, iface, 0); 1197 1198 /* possible configuration where both inputs and only one output is 1199 *used is not supported by the current setup 1200 */ 1201 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 1202 if (chip->setup & MAUDIO_SET_96K) { 1203 if (altno != 3 && altno != 6) 1204 return 1; 1205 } else if (chip->setup & MAUDIO_SET_DI) { 1206 if (iface == 4) 1207 return 1; /* no analog input */ 1208 if (altno != 2 && altno != 5) 1209 return 1; /* enable only altsets 2 and 5 */ 1210 } else { 1211 if (iface == 5) 1212 return 1; /* disable digialt input */ 1213 if (altno != 2 && altno != 5) 1214 return 1; /* enalbe only altsets 2 and 5 */ 1215 } 1216 } else { 1217 /* keep only 16-Bit mode */ 1218 if (altno != 1) 1219 return 1; 1220 } 1221 1222 usb_audio_dbg(chip, 1223 "using altsetting %d for interface %d config %d\n", 1224 altno, iface, chip->setup); 1225 return 0; /* keep this altsetting */ 1226 } 1227 1228 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 1229 int iface, 1230 int altno) 1231 { 1232 /* audiophile usb: skip altsets incompatible with device_setup */ 1233 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 1234 return audiophile_skip_setting_quirk(chip, iface, altno); 1235 /* quattro usb: skip altsets incompatible with device_setup */ 1236 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 1237 return quattro_skip_setting_quirk(chip, iface, altno); 1238 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 1239 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 1240 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 1241 1242 return 0; 1243 } 1244 1245 int snd_usb_apply_boot_quirk(struct usb_device *dev, 1246 struct usb_interface *intf, 1247 const struct snd_usb_audio_quirk *quirk, 1248 unsigned int id) 1249 { 1250 switch (id) { 1251 case USB_ID(0x041e, 0x3000): 1252 /* SB Extigy needs special boot-up sequence */ 1253 /* if more models come, this will go to the quirk list. */ 1254 return snd_usb_extigy_boot_quirk(dev, intf); 1255 1256 case USB_ID(0x041e, 0x3020): 1257 /* SB Audigy 2 NX needs its own boot-up magic, too */ 1258 return snd_usb_audigy2nx_boot_quirk(dev); 1259 1260 case USB_ID(0x10f5, 0x0200): 1261 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 1262 return snd_usb_cm106_boot_quirk(dev); 1263 1264 case USB_ID(0x0d8c, 0x0102): 1265 /* C-Media CM6206 / CM106-Like Sound Device */ 1266 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1267 return snd_usb_cm6206_boot_quirk(dev); 1268 1269 case USB_ID(0x0dba, 0x3000): 1270 /* Digidesign Mbox 2 */ 1271 return snd_usb_mbox2_boot_quirk(dev); 1272 1273 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1274 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1275 return snd_usb_novation_boot_quirk(dev); 1276 1277 case USB_ID(0x133e, 0x0815): 1278 /* Access Music VirusTI Desktop */ 1279 return snd_usb_accessmusic_boot_quirk(dev); 1280 1281 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1282 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1283 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1284 return snd_usb_nativeinstruments_boot_quirk(dev); 1285 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1286 return snd_usb_fasttrackpro_boot_quirk(dev); 1287 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1288 return snd_usb_gamecon780_boot_quirk(dev); 1289 case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */ 1290 return snd_usb_axefx3_boot_quirk(dev); 1291 case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */ 1292 return snd_usb_motu_microbookii_boot_quirk(dev); 1293 } 1294 1295 return 0; 1296 } 1297 1298 /* 1299 * check if the device uses big-endian samples 1300 */ 1301 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1302 { 1303 /* it depends on altsetting whether the device is big-endian or not */ 1304 switch (chip->usb_id) { 1305 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1306 if (fp->altsetting == 2 || fp->altsetting == 3 || 1307 fp->altsetting == 5 || fp->altsetting == 6) 1308 return 1; 1309 break; 1310 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1311 if (chip->setup == 0x00 || 1312 fp->altsetting == 1 || fp->altsetting == 2 || 1313 fp->altsetting == 3) 1314 return 1; 1315 break; 1316 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1317 if (fp->altsetting == 2 || fp->altsetting == 3 || 1318 fp->altsetting == 5 || fp->altsetting == 6) 1319 return 1; 1320 break; 1321 } 1322 return 0; 1323 } 1324 1325 /* 1326 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1327 * not for interface. 1328 */ 1329 1330 enum { 1331 EMU_QUIRK_SR_44100HZ = 0, 1332 EMU_QUIRK_SR_48000HZ, 1333 EMU_QUIRK_SR_88200HZ, 1334 EMU_QUIRK_SR_96000HZ, 1335 EMU_QUIRK_SR_176400HZ, 1336 EMU_QUIRK_SR_192000HZ 1337 }; 1338 1339 static void set_format_emu_quirk(struct snd_usb_substream *subs, 1340 struct audioformat *fmt) 1341 { 1342 unsigned char emu_samplerate_id = 0; 1343 1344 /* When capture is active 1345 * sample rate shouldn't be changed 1346 * by playback substream 1347 */ 1348 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1349 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1350 return; 1351 } 1352 1353 switch (fmt->rate_min) { 1354 case 48000: 1355 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1356 break; 1357 case 88200: 1358 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1359 break; 1360 case 96000: 1361 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1362 break; 1363 case 176400: 1364 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1365 break; 1366 case 192000: 1367 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1368 break; 1369 default: 1370 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1371 break; 1372 } 1373 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1374 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1375 } 1376 1377 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1378 struct audioformat *fmt) 1379 { 1380 switch (subs->stream->chip->usb_id) { 1381 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1382 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1383 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1384 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1385 set_format_emu_quirk(subs, fmt); 1386 break; 1387 } 1388 } 1389 1390 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1391 { 1392 /* devices which do not support reading the sample rate. */ 1393 switch (chip->usb_id) { 1394 case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */ 1395 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ 1396 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */ 1397 case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */ 1398 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1399 case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */ 1400 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */ 1401 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ 1402 return true; 1403 } 1404 1405 /* devices of these vendors don't support reading rate, either */ 1406 switch (USB_ID_VENDOR(chip->usb_id)) { 1407 case 0x045E: /* MS Lifecam */ 1408 case 0x047F: /* Plantronics */ 1409 case 0x1de7: /* Phoenix Audio */ 1410 return true; 1411 } 1412 1413 return false; 1414 } 1415 1416 /* ITF-USB DSD based DACs need a vendor cmd to switch 1417 * between PCM and native DSD mode 1418 */ 1419 static bool is_itf_usb_dsd_dac(unsigned int id) 1420 { 1421 switch (id) { 1422 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1423 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1424 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1425 case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */ 1426 case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */ 1427 case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */ 1428 case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */ 1429 return true; 1430 } 1431 return false; 1432 } 1433 1434 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1435 struct audioformat *fmt) 1436 { 1437 struct usb_device *dev = subs->dev; 1438 int err; 1439 1440 if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) { 1441 /* First switch to alt set 0, otherwise the mode switch cmd 1442 * will not be accepted by the DAC 1443 */ 1444 err = usb_set_interface(dev, fmt->iface, 0); 1445 if (err < 0) 1446 return err; 1447 1448 msleep(20); /* Delay needed after setting the interface */ 1449 1450 /* Vendor mode switch cmd is required. */ 1451 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) { 1452 /* DSD mode (DSD_U32) requested */ 1453 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1454 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1455 1, 1, NULL, 0); 1456 if (err < 0) 1457 return err; 1458 1459 } else { 1460 /* PCM or DOP mode (S32) requested */ 1461 /* PCM mode (S16) requested */ 1462 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1463 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1464 0, 1, NULL, 0); 1465 if (err < 0) 1466 return err; 1467 1468 } 1469 msleep(20); 1470 } 1471 return 0; 1472 } 1473 1474 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1475 { 1476 /* 1477 * "Playback Design" products send bogus feedback data at the start 1478 * of the stream. Ignore them. 1479 */ 1480 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && 1481 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1482 ep->skip_packets = 4; 1483 1484 /* 1485 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1486 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1487 * the stream is (re)started. When skipping packets 16 at endpoint 1488 * start up, the real world latency is stable within +/- 1 frame (also 1489 * across power cycles). 1490 */ 1491 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1492 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1493 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1494 ep->skip_packets = 16; 1495 1496 /* Work around devices that report unreasonable feedback data */ 1497 if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-H01 */ 1498 ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */ 1499 ep->syncmaxsize == 4) 1500 ep->tenor_fb_quirk = 1; 1501 } 1502 1503 void snd_usb_set_interface_quirk(struct usb_device *dev) 1504 { 1505 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1506 1507 if (!chip) 1508 return; 1509 /* 1510 * "Playback Design" products need a 50ms delay after setting the 1511 * USB interface. 1512 */ 1513 switch (USB_ID_VENDOR(chip->usb_id)) { 1514 case 0x23ba: /* Playback Design */ 1515 case 0x0644: /* TEAC Corp. */ 1516 msleep(50); 1517 break; 1518 } 1519 } 1520 1521 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ 1522 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1523 __u8 request, __u8 requesttype, __u16 value, 1524 __u16 index, void *data, __u16 size) 1525 { 1526 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1527 1528 if (!chip) 1529 return; 1530 /* 1531 * "Playback Design" products need a 20ms delay after each 1532 * class compliant request 1533 */ 1534 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1535 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1536 msleep(20); 1537 1538 /* 1539 * "TEAC Corp." products need a 20ms delay after each 1540 * class compliant request 1541 */ 1542 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 && 1543 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1544 msleep(20); 1545 1546 /* ITF-USB DSD based DACs functionality need a delay 1547 * after each class compliant request 1548 */ 1549 if (is_itf_usb_dsd_dac(chip->usb_id) 1550 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1551 msleep(20); 1552 1553 /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here, 1554 * otherwise requests like get/set frequency return as failed despite 1555 * actually succeeding. 1556 */ 1557 if ((chip->usb_id == USB_ID(0x1686, 0x00dd) || 1558 chip->usb_id == USB_ID(0x046d, 0x0a46) || 1559 chip->usb_id == USB_ID(0x0b0e, 0x0349)) && 1560 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1561 usleep_range(1000, 2000); 1562 } 1563 1564 /* 1565 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1566 * augment the PCM format bit-field for DSD types. The UAC standards 1567 * don't have a designated bit field to denote DSD-capable interfaces, 1568 * hence all hardware that is known to support this format has to be 1569 * listed here. 1570 */ 1571 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1572 struct audioformat *fp, 1573 unsigned int sample_bytes) 1574 { 1575 struct usb_interface *iface; 1576 1577 /* Playback Designs */ 1578 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) { 1579 switch (fp->altsetting) { 1580 case 1: 1581 fp->dsd_dop = true; 1582 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1583 case 2: 1584 fp->dsd_bitrev = true; 1585 return SNDRV_PCM_FMTBIT_DSD_U8; 1586 case 3: 1587 fp->dsd_bitrev = true; 1588 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1589 } 1590 } 1591 1592 /* XMOS based USB DACs */ 1593 switch (chip->usb_id) { 1594 case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */ 1595 case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */ 1596 case USB_ID(0x22d9, 0x0436): /* OPPO Sonica */ 1597 case USB_ID(0x22d9, 0x0461): /* OPPO UDP-205 */ 1598 case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */ 1599 case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */ 1600 if (fp->altsetting == 2) 1601 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1602 break; 1603 1604 case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */ 1605 case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */ 1606 case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */ 1607 case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */ 1608 case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */ 1609 case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */ 1610 case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */ 1611 case USB_ID(0x22d9, 0x0426): /* OPPO HA-2 */ 1612 case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */ 1613 case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */ 1614 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1615 case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */ 1616 case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */ 1617 case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */ 1618 case USB_ID(0x6b42, 0x0042): /* MSB Technology */ 1619 if (fp->altsetting == 3) 1620 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1621 break; 1622 1623 /* Amanero Combo384 USB based DACs with native DSD support */ 1624 case USB_ID(0x16d0, 0x071a): /* Amanero - Combo384 */ 1625 case USB_ID(0x2ab6, 0x0004): /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */ 1626 case USB_ID(0x2ab6, 0x0005): /* T+A USB HD Audio 1 */ 1627 case USB_ID(0x2ab6, 0x0006): /* T+A USB HD Audio 2 */ 1628 if (fp->altsetting == 2) { 1629 switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) { 1630 case 0x199: 1631 return SNDRV_PCM_FMTBIT_DSD_U32_LE; 1632 case 0x19b: 1633 case 0x203: 1634 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1635 default: 1636 break; 1637 } 1638 } 1639 break; 1640 case USB_ID(0x16d0, 0x0a23): 1641 if (fp->altsetting == 2) 1642 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1643 break; 1644 1645 default: 1646 break; 1647 } 1648 1649 /* ITF-USB DSD based DACs */ 1650 if (is_itf_usb_dsd_dac(chip->usb_id)) { 1651 iface = usb_ifnum_to_if(chip->dev, fp->iface); 1652 1653 /* Altsetting 2 support native DSD if the num of altsets is 1654 * three (0-2), 1655 * Altsetting 3 support native DSD if the num of altsets is 1656 * four (0-3). 1657 */ 1658 if (fp->altsetting == iface->num_altsetting - 1) 1659 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1660 } 1661 1662 /* Mostly generic method to detect many DSD-capable implementations - 1663 * from XMOS/Thesycon 1664 */ 1665 switch (USB_ID_VENDOR(chip->usb_id)) { 1666 case 0x20b1: /* XMOS based devices */ 1667 case 0x152a: /* Thesycon devices */ 1668 case 0x25ce: /* Mytek devices */ 1669 case 0x2ab6: /* T+A devices */ 1670 if (fp->dsd_raw) 1671 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1672 break; 1673 default: 1674 break; 1675 1676 } 1677 1678 return 0; 1679 } 1680 1681 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip, 1682 struct audioformat *fp, 1683 int stream) 1684 { 1685 switch (chip->usb_id) { 1686 case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */ 1687 /* Optoplay sets the sample rate attribute although 1688 * it seems not supporting it in fact. 1689 */ 1690 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE; 1691 break; 1692 case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */ 1693 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1694 /* doesn't set the sample rate attribute, but supports it */ 1695 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE; 1696 break; 1697 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */ 1698 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1699 case USB_ID(0x047f, 0x0ca1): /* plantronics headset */ 1700 case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is 1701 an older model 77d:223) */ 1702 /* 1703 * plantronics headset and Griffin iMic have set adaptive-in 1704 * although it's really not... 1705 */ 1706 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE; 1707 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 1708 fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE; 1709 else 1710 fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC; 1711 break; 1712 } 1713 } 1714