1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 */ 4 5 #include <linux/init.h> 6 #include <linux/slab.h> 7 #include <linux/usb.h> 8 #include <linux/usb/audio.h> 9 #include <linux/usb/midi.h> 10 #include <linux/bits.h> 11 12 #include <sound/control.h> 13 #include <sound/core.h> 14 #include <sound/info.h> 15 #include <sound/pcm.h> 16 17 #include "usbaudio.h" 18 #include "card.h" 19 #include "mixer.h" 20 #include "mixer_quirks.h" 21 #include "midi.h" 22 #include "quirks.h" 23 #include "helper.h" 24 #include "endpoint.h" 25 #include "pcm.h" 26 #include "clock.h" 27 #include "stream.h" 28 29 /* 30 * handle the quirks for the contained interfaces 31 */ 32 static int create_composite_quirk(struct snd_usb_audio *chip, 33 struct usb_interface *iface, 34 struct usb_driver *driver, 35 const struct snd_usb_audio_quirk *quirk_comp) 36 { 37 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 38 const struct snd_usb_audio_quirk *quirk; 39 int err; 40 41 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 42 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 43 if (!iface) 44 continue; 45 if (quirk->ifnum != probed_ifnum && 46 usb_interface_claimed(iface)) 47 continue; 48 err = snd_usb_create_quirk(chip, iface, driver, quirk); 49 if (err < 0) 50 return err; 51 } 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 usb_driver_claim_interface(driver, iface, (void *)-1L); 60 } 61 62 return 0; 63 } 64 65 static int ignore_interface_quirk(struct snd_usb_audio *chip, 66 struct usb_interface *iface, 67 struct usb_driver *driver, 68 const struct snd_usb_audio_quirk *quirk) 69 { 70 return 0; 71 } 72 73 74 /* 75 * Allow alignment on audio sub-slot (channel samples) rather than 76 * on audio slots (audio frames) 77 */ 78 static int create_align_transfer_quirk(struct snd_usb_audio *chip, 79 struct usb_interface *iface, 80 struct usb_driver *driver, 81 const struct snd_usb_audio_quirk *quirk) 82 { 83 chip->txfr_quirk = 1; 84 return 1; /* Continue with creating streams and mixer */ 85 } 86 87 static int create_any_midi_quirk(struct snd_usb_audio *chip, 88 struct usb_interface *intf, 89 struct usb_driver *driver, 90 const struct snd_usb_audio_quirk *quirk) 91 { 92 return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); 93 } 94 95 /* 96 * create a stream for an interface with proper descriptors 97 */ 98 static int create_standard_audio_quirk(struct snd_usb_audio *chip, 99 struct usb_interface *iface, 100 struct usb_driver *driver, 101 const struct snd_usb_audio_quirk *quirk) 102 { 103 struct usb_host_interface *alts; 104 struct usb_interface_descriptor *altsd; 105 int err; 106 107 if (chip->usb_id == USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */ 108 chip->tx_length_quirk = 1; 109 110 alts = &iface->altsetting[0]; 111 altsd = get_iface_desc(alts); 112 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); 113 if (err < 0) { 114 usb_audio_err(chip, "cannot setup if %d: error %d\n", 115 altsd->bInterfaceNumber, err); 116 return err; 117 } 118 /* reset the current interface */ 119 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); 120 return 0; 121 } 122 123 /* 124 * create a stream for an endpoint/altsetting without proper descriptors 125 */ 126 static int create_fixed_stream_quirk(struct snd_usb_audio *chip, 127 struct usb_interface *iface, 128 struct usb_driver *driver, 129 const struct snd_usb_audio_quirk *quirk) 130 { 131 struct audioformat *fp; 132 struct usb_host_interface *alts; 133 struct usb_interface_descriptor *altsd; 134 int stream, err; 135 unsigned *rate_table = NULL; 136 137 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); 138 if (!fp) 139 return -ENOMEM; 140 141 INIT_LIST_HEAD(&fp->list); 142 if (fp->nr_rates > MAX_NR_RATES) { 143 kfree(fp); 144 return -EINVAL; 145 } 146 if (fp->nr_rates > 0) { 147 rate_table = kmemdup(fp->rate_table, 148 sizeof(int) * fp->nr_rates, GFP_KERNEL); 149 if (!rate_table) { 150 kfree(fp); 151 return -ENOMEM; 152 } 153 fp->rate_table = rate_table; 154 } 155 156 stream = (fp->endpoint & USB_DIR_IN) 157 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 158 err = snd_usb_add_audio_stream(chip, stream, fp); 159 if (err < 0) 160 goto error; 161 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || 162 fp->altset_idx >= iface->num_altsetting) { 163 err = -EINVAL; 164 goto error; 165 } 166 alts = &iface->altsetting[fp->altset_idx]; 167 altsd = get_iface_desc(alts); 168 if (altsd->bNumEndpoints < 1) { 169 err = -EINVAL; 170 goto error; 171 } 172 173 fp->protocol = altsd->bInterfaceProtocol; 174 175 if (fp->datainterval == 0) 176 fp->datainterval = snd_usb_parse_datainterval(chip, alts); 177 if (fp->maxpacksize == 0) 178 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 179 usb_set_interface(chip->dev, fp->iface, 0); 180 snd_usb_init_pitch(chip, fp->iface, alts, fp); 181 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); 182 return 0; 183 184 error: 185 list_del(&fp->list); /* unlink for avoiding double-free */ 186 kfree(fp); 187 kfree(rate_table); 188 return err; 189 } 190 191 static int create_auto_pcm_quirk(struct snd_usb_audio *chip, 192 struct usb_interface *iface, 193 struct usb_driver *driver) 194 { 195 struct usb_host_interface *alts; 196 struct usb_interface_descriptor *altsd; 197 struct usb_endpoint_descriptor *epd; 198 struct uac1_as_header_descriptor *ashd; 199 struct uac_format_type_i_discrete_descriptor *fmtd; 200 201 /* 202 * Most Roland/Yamaha audio streaming interfaces have more or less 203 * standard descriptors, but older devices might lack descriptors, and 204 * future ones might change, so ensure that we fail silently if the 205 * interface doesn't look exactly right. 206 */ 207 208 /* must have a non-zero altsetting for streaming */ 209 if (iface->num_altsetting < 2) 210 return -ENODEV; 211 alts = &iface->altsetting[1]; 212 altsd = get_iface_desc(alts); 213 214 /* must have an isochronous endpoint for streaming */ 215 if (altsd->bNumEndpoints < 1) 216 return -ENODEV; 217 epd = get_endpoint(alts, 0); 218 if (!usb_endpoint_xfer_isoc(epd)) 219 return -ENODEV; 220 221 /* must have format descriptors */ 222 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 223 UAC_AS_GENERAL); 224 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 225 UAC_FORMAT_TYPE); 226 if (!ashd || ashd->bLength < 7 || 227 !fmtd || fmtd->bLength < 8) 228 return -ENODEV; 229 230 return create_standard_audio_quirk(chip, iface, driver, NULL); 231 } 232 233 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, 234 struct usb_interface *iface, 235 struct usb_driver *driver, 236 struct usb_host_interface *alts) 237 { 238 static const struct snd_usb_audio_quirk yamaha_midi_quirk = { 239 .type = QUIRK_MIDI_YAMAHA 240 }; 241 struct usb_midi_in_jack_descriptor *injd; 242 struct usb_midi_out_jack_descriptor *outjd; 243 244 /* must have some valid jack descriptors */ 245 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 246 NULL, USB_MS_MIDI_IN_JACK); 247 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 248 NULL, USB_MS_MIDI_OUT_JACK); 249 if (!injd && !outjd) 250 return -ENODEV; 251 if (!(injd && snd_usb_validate_midi_desc(injd)) || 252 !(outjd && snd_usb_validate_midi_desc(outjd))) 253 return -ENODEV; 254 if (injd && (injd->bLength < 5 || 255 (injd->bJackType != USB_MS_EMBEDDED && 256 injd->bJackType != USB_MS_EXTERNAL))) 257 return -ENODEV; 258 if (outjd && (outjd->bLength < 6 || 259 (outjd->bJackType != USB_MS_EMBEDDED && 260 outjd->bJackType != USB_MS_EXTERNAL))) 261 return -ENODEV; 262 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); 263 } 264 265 static int create_roland_midi_quirk(struct snd_usb_audio *chip, 266 struct usb_interface *iface, 267 struct usb_driver *driver, 268 struct usb_host_interface *alts) 269 { 270 static const struct snd_usb_audio_quirk roland_midi_quirk = { 271 .type = QUIRK_MIDI_ROLAND 272 }; 273 u8 *roland_desc = NULL; 274 275 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ 276 for (;;) { 277 roland_desc = snd_usb_find_csint_desc(alts->extra, 278 alts->extralen, 279 roland_desc, 0xf1); 280 if (!roland_desc) 281 return -ENODEV; 282 if (roland_desc[0] < 6 || roland_desc[3] != 2) 283 continue; 284 return create_any_midi_quirk(chip, iface, driver, 285 &roland_midi_quirk); 286 } 287 } 288 289 static int create_std_midi_quirk(struct snd_usb_audio *chip, 290 struct usb_interface *iface, 291 struct usb_driver *driver, 292 struct usb_host_interface *alts) 293 { 294 struct usb_ms_header_descriptor *mshd; 295 struct usb_ms_endpoint_descriptor *msepd; 296 297 /* must have the MIDIStreaming interface header descriptor*/ 298 mshd = (struct usb_ms_header_descriptor *)alts->extra; 299 if (alts->extralen < 7 || 300 mshd->bLength < 7 || 301 mshd->bDescriptorType != USB_DT_CS_INTERFACE || 302 mshd->bDescriptorSubtype != USB_MS_HEADER) 303 return -ENODEV; 304 /* must have the MIDIStreaming endpoint descriptor*/ 305 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; 306 if (alts->endpoint[0].extralen < 4 || 307 msepd->bLength < 4 || 308 msepd->bDescriptorType != USB_DT_CS_ENDPOINT || 309 msepd->bDescriptorSubtype != UAC_MS_GENERAL || 310 msepd->bNumEmbMIDIJack < 1 || 311 msepd->bNumEmbMIDIJack > 16) 312 return -ENODEV; 313 314 return create_any_midi_quirk(chip, iface, driver, NULL); 315 } 316 317 static int create_auto_midi_quirk(struct snd_usb_audio *chip, 318 struct usb_interface *iface, 319 struct usb_driver *driver) 320 { 321 struct usb_host_interface *alts; 322 struct usb_interface_descriptor *altsd; 323 struct usb_endpoint_descriptor *epd; 324 int err; 325 326 alts = &iface->altsetting[0]; 327 altsd = get_iface_desc(alts); 328 329 /* must have at least one bulk/interrupt endpoint for streaming */ 330 if (altsd->bNumEndpoints < 1) 331 return -ENODEV; 332 epd = get_endpoint(alts, 0); 333 if (!usb_endpoint_xfer_bulk(epd) && 334 !usb_endpoint_xfer_int(epd)) 335 return -ENODEV; 336 337 switch (USB_ID_VENDOR(chip->usb_id)) { 338 case 0x0499: /* Yamaha */ 339 err = create_yamaha_midi_quirk(chip, iface, driver, alts); 340 if (err != -ENODEV) 341 return err; 342 break; 343 case 0x0582: /* Roland */ 344 err = create_roland_midi_quirk(chip, iface, driver, alts); 345 if (err != -ENODEV) 346 return err; 347 break; 348 } 349 350 return create_std_midi_quirk(chip, iface, driver, alts); 351 } 352 353 static int create_autodetect_quirk(struct snd_usb_audio *chip, 354 struct usb_interface *iface, 355 struct usb_driver *driver) 356 { 357 int err; 358 359 err = create_auto_pcm_quirk(chip, iface, driver); 360 if (err == -ENODEV) 361 err = create_auto_midi_quirk(chip, iface, driver); 362 return err; 363 } 364 365 static int create_autodetect_quirks(struct snd_usb_audio *chip, 366 struct usb_interface *iface, 367 struct usb_driver *driver, 368 const struct snd_usb_audio_quirk *quirk) 369 { 370 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 371 int ifcount, ifnum, err; 372 373 err = create_autodetect_quirk(chip, iface, driver); 374 if (err < 0) 375 return err; 376 377 /* 378 * ALSA PCM playback/capture devices cannot be registered in two steps, 379 * so we have to claim the other corresponding interface here. 380 */ 381 ifcount = chip->dev->actconfig->desc.bNumInterfaces; 382 for (ifnum = 0; ifnum < ifcount; ifnum++) { 383 if (ifnum == probed_ifnum || quirk->ifnum >= 0) 384 continue; 385 iface = usb_ifnum_to_if(chip->dev, ifnum); 386 if (!iface || 387 usb_interface_claimed(iface) || 388 get_iface_desc(iface->altsetting)->bInterfaceClass != 389 USB_CLASS_VENDOR_SPEC) 390 continue; 391 392 err = create_autodetect_quirk(chip, iface, driver); 393 if (err >= 0) 394 usb_driver_claim_interface(driver, iface, (void *)-1L); 395 } 396 397 return 0; 398 } 399 400 /* 401 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 402 * The only way to detect the sample rate is by looking at wMaxPacketSize. 403 */ 404 static int create_uaxx_quirk(struct snd_usb_audio *chip, 405 struct usb_interface *iface, 406 struct usb_driver *driver, 407 const struct snd_usb_audio_quirk *quirk) 408 { 409 static const struct audioformat ua_format = { 410 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 411 .channels = 2, 412 .fmt_type = UAC_FORMAT_TYPE_I, 413 .altsetting = 1, 414 .altset_idx = 1, 415 .rates = SNDRV_PCM_RATE_CONTINUOUS, 416 }; 417 struct usb_host_interface *alts; 418 struct usb_interface_descriptor *altsd; 419 struct audioformat *fp; 420 int stream, err; 421 422 /* both PCM and MIDI interfaces have 2 or more altsettings */ 423 if (iface->num_altsetting < 2) 424 return -ENXIO; 425 alts = &iface->altsetting[1]; 426 altsd = get_iface_desc(alts); 427 428 if (altsd->bNumEndpoints == 2) { 429 static const struct snd_usb_midi_endpoint_info ua700_ep = { 430 .out_cables = 0x0003, 431 .in_cables = 0x0003 432 }; 433 static const struct snd_usb_audio_quirk ua700_quirk = { 434 .type = QUIRK_MIDI_FIXED_ENDPOINT, 435 .data = &ua700_ep 436 }; 437 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 438 .out_cables = 0x0001, 439 .in_cables = 0x0001 440 }; 441 static const struct snd_usb_audio_quirk uaxx_quirk = { 442 .type = QUIRK_MIDI_FIXED_ENDPOINT, 443 .data = &uaxx_ep 444 }; 445 const struct snd_usb_audio_quirk *quirk = 446 chip->usb_id == USB_ID(0x0582, 0x002b) 447 ? &ua700_quirk : &uaxx_quirk; 448 return __snd_usbmidi_create(chip->card, iface, 449 &chip->midi_list, quirk, 450 chip->usb_id); 451 } 452 453 if (altsd->bNumEndpoints != 1) 454 return -ENXIO; 455 456 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 457 if (!fp) 458 return -ENOMEM; 459 460 fp->iface = altsd->bInterfaceNumber; 461 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 462 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 463 fp->datainterval = 0; 464 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 465 INIT_LIST_HEAD(&fp->list); 466 467 switch (fp->maxpacksize) { 468 case 0x120: 469 fp->rate_max = fp->rate_min = 44100; 470 break; 471 case 0x138: 472 case 0x140: 473 fp->rate_max = fp->rate_min = 48000; 474 break; 475 case 0x258: 476 case 0x260: 477 fp->rate_max = fp->rate_min = 96000; 478 break; 479 default: 480 usb_audio_err(chip, "unknown sample rate\n"); 481 kfree(fp); 482 return -ENXIO; 483 } 484 485 stream = (fp->endpoint & USB_DIR_IN) 486 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 487 err = snd_usb_add_audio_stream(chip, stream, fp); 488 if (err < 0) { 489 list_del(&fp->list); /* unlink for avoiding double-free */ 490 kfree(fp); 491 return err; 492 } 493 usb_set_interface(chip->dev, fp->iface, 0); 494 return 0; 495 } 496 497 /* 498 * Create a standard mixer for the specified interface. 499 */ 500 static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 501 struct usb_interface *iface, 502 struct usb_driver *driver, 503 const struct snd_usb_audio_quirk *quirk) 504 { 505 if (quirk->ifnum < 0) 506 return 0; 507 508 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 509 } 510 511 /* 512 * audio-interface quirks 513 * 514 * returns zero if no standard audio/MIDI parsing is needed. 515 * returns a positive value if standard audio/midi interfaces are parsed 516 * after this. 517 * returns a negative value at error. 518 */ 519 int snd_usb_create_quirk(struct snd_usb_audio *chip, 520 struct usb_interface *iface, 521 struct usb_driver *driver, 522 const struct snd_usb_audio_quirk *quirk) 523 { 524 typedef int (*quirk_func_t)(struct snd_usb_audio *, 525 struct usb_interface *, 526 struct usb_driver *, 527 const struct snd_usb_audio_quirk *); 528 static const quirk_func_t quirk_funcs[] = { 529 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 530 [QUIRK_COMPOSITE] = create_composite_quirk, 531 [QUIRK_AUTODETECT] = create_autodetect_quirks, 532 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 533 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 534 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 535 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, 536 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 537 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 538 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 539 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 540 [QUIRK_MIDI_CME] = create_any_midi_quirk, 541 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 542 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 543 [QUIRK_MIDI_CH345] = create_any_midi_quirk, 544 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 545 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 546 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 547 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 548 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 549 }; 550 551 if (quirk->type < QUIRK_TYPE_COUNT) { 552 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 553 } else { 554 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); 555 return -ENXIO; 556 } 557 } 558 559 /* 560 * boot quirks 561 */ 562 563 #define EXTIGY_FIRMWARE_SIZE_OLD 794 564 #define EXTIGY_FIRMWARE_SIZE_NEW 483 565 566 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 567 { 568 struct usb_host_config *config = dev->actconfig; 569 int err; 570 571 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 572 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 573 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); 574 /* Send message to force it to reconnect with full interface. */ 575 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 576 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 577 if (err < 0) 578 dev_dbg(&dev->dev, "error sending boot message: %d\n", err); 579 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 580 &dev->descriptor, sizeof(dev->descriptor)); 581 config = dev->actconfig; 582 if (err < 0) 583 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 584 err = usb_reset_configuration(dev); 585 if (err < 0) 586 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 587 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", 588 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 589 return -ENODEV; /* quit this anyway */ 590 } 591 return 0; 592 } 593 594 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 595 { 596 u8 buf = 1; 597 598 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 599 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 600 0, 0, &buf, 1); 601 if (buf == 0) { 602 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 603 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 604 1, 2000, NULL, 0); 605 return -ENODEV; 606 } 607 return 0; 608 } 609 610 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 611 { 612 int err; 613 614 if (dev->actconfig->desc.bConfigurationValue == 1) { 615 dev_info(&dev->dev, 616 "Fast Track Pro switching to config #2\n"); 617 /* This function has to be available by the usb core module. 618 * if it is not avialable the boot quirk has to be left out 619 * and the configuration has to be set by udev or hotplug 620 * rules 621 */ 622 err = usb_driver_set_configuration(dev, 2); 623 if (err < 0) 624 dev_dbg(&dev->dev, 625 "error usb_driver_set_configuration: %d\n", 626 err); 627 /* Always return an error, so that we stop creating a device 628 that will just be destroyed and recreated with a new 629 configuration */ 630 return -ENODEV; 631 } else 632 dev_info(&dev->dev, "Fast Track Pro config OK\n"); 633 634 return 0; 635 } 636 637 /* 638 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 639 * documented in the device's data sheet. 640 */ 641 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 642 { 643 u8 buf[4]; 644 buf[0] = 0x20; 645 buf[1] = value & 0xff; 646 buf[2] = (value >> 8) & 0xff; 647 buf[3] = reg; 648 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 649 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 650 0, 0, &buf, 4); 651 } 652 653 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 654 { 655 /* 656 * Enable line-out driver mode, set headphone source to front 657 * channels, enable stereo mic. 658 */ 659 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 660 } 661 662 /* 663 * CM6206 registers from the CM6206 datasheet rev 2.1 664 */ 665 #define CM6206_REG0_DMA_MASTER BIT(15) 666 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12) 667 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12) 668 /* Bit 4 thru 11 is the S/PDIF category code */ 669 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4) 670 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3) 671 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2) 672 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1) 673 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0) 674 675 #define CM6206_REG1_TEST_SEL_CLK BIT(14) 676 #define CM6206_REG1_PLLBIN_EN BIT(13) 677 #define CM6206_REG1_SOFT_MUTE_EN BIT(12) 678 #define CM6206_REG1_GPIO4_OUT BIT(11) 679 #define CM6206_REG1_GPIO4_OE BIT(10) 680 #define CM6206_REG1_GPIO3_OUT BIT(9) 681 #define CM6206_REG1_GPIO3_OE BIT(8) 682 #define CM6206_REG1_GPIO2_OUT BIT(7) 683 #define CM6206_REG1_GPIO2_OE BIT(6) 684 #define CM6206_REG1_GPIO1_OUT BIT(5) 685 #define CM6206_REG1_GPIO1_OE BIT(4) 686 #define CM6206_REG1_SPDIFO_INVALID BIT(3) 687 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2) 688 #define CM6206_REG1_SPDIFO_DIS BIT(1) 689 #define CM6206_REG1_SPDIFI_MIX BIT(0) 690 691 #define CM6206_REG2_DRIVER_ON BIT(15) 692 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13) 693 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13) 694 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13) 695 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13) 696 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12) 697 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11) 698 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10) 699 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9) 700 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8) 701 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7) 702 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6) 703 #define CM6206_REG2_MUTE_CENTER BIT(5) 704 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3) 705 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3) 706 #define CM6206_REG2_EN_BTL BIT(2) 707 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0) 708 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1) 709 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2) 710 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3) 711 712 /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */ 713 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11) 714 #define CM6206_REG3_VRAP25EN BIT(10) 715 #define CM6206_REG3_MSEL1 BIT(9) 716 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7) 717 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7) 718 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7) 719 #define CM6206_REG3_PINSEL BIT(6) 720 #define CM6206_REG3_FOE BIT(5) 721 #define CM6206_REG3_ROE BIT(4) 722 #define CM6206_REG3_CBOE BIT(3) 723 #define CM6206_REG3_LOSE BIT(2) 724 #define CM6206_REG3_HPOE BIT(1) 725 #define CM6206_REG3_SPDIFI_CANREC BIT(0) 726 727 #define CM6206_REG5_DA_RSTN BIT(13) 728 #define CM6206_REG5_AD_RSTN BIT(12) 729 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12) 730 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9) 731 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9) 732 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9) 733 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9) 734 #define CM6206_REG5_CODECM BIT(8) 735 #define CM6206_REG5_EN_HPF BIT(7) 736 #define CM6206_REG5_T_SEL_DSDA4 BIT(6) 737 #define CM6206_REG5_T_SEL_DSDA3 BIT(5) 738 #define CM6206_REG5_T_SEL_DSDA2 BIT(4) 739 #define CM6206_REG5_T_SEL_DSDA1 BIT(3) 740 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0 741 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4 742 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5 743 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6 744 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7 745 746 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 747 { 748 int err = 0, reg; 749 int val[] = { 750 /* 751 * Values here are chosen based on sniffing USB traffic 752 * under Windows. 753 * 754 * REG0: DAC is master, sample rate 48kHz, no copyright 755 */ 756 CM6206_REG0_SPDIFO_RATE_48K | 757 CM6206_REG0_SPDIFO_COPYRIGHT_NA, 758 /* 759 * REG1: PLL binary search enable, soft mute enable. 760 */ 761 CM6206_REG1_PLLBIN_EN | 762 CM6206_REG1_SOFT_MUTE_EN, 763 /* 764 * REG2: enable output drivers, 765 * select front channels to the headphone output, 766 * then mute the headphone channels, run the MCU 767 * at 1.5 MHz. 768 */ 769 CM6206_REG2_DRIVER_ON | 770 CM6206_REG2_HEADP_SEL_FRONT_CHANNELS | 771 CM6206_REG2_MUTE_HEADPHONE_RIGHT | 772 CM6206_REG2_MUTE_HEADPHONE_LEFT, 773 /* 774 * REG3: default flyspeed, set 2.5V mic bias 775 * enable all line out ports and enable SPDIF 776 */ 777 CM6206_REG3_FLYSPEED_DEFAULT | 778 CM6206_REG3_VRAP25EN | 779 CM6206_REG3_FOE | 780 CM6206_REG3_ROE | 781 CM6206_REG3_CBOE | 782 CM6206_REG3_LOSE | 783 CM6206_REG3_HPOE | 784 CM6206_REG3_SPDIFI_CANREC, 785 /* REG4 is just a bunch of GPIO lines */ 786 0x0000, 787 /* REG5: de-assert AD/DA reset signals */ 788 CM6206_REG5_DA_RSTN | 789 CM6206_REG5_AD_RSTN }; 790 791 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 792 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 793 if (err < 0) 794 return err; 795 } 796 797 return err; 798 } 799 800 /* quirk for Plantronics GameCom 780 with CM6302 chip */ 801 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) 802 { 803 /* set the initial volume and don't change; other values are either 804 * too loud or silent due to firmware bug (bko#65251) 805 */ 806 u8 buf[2] = { 0x74, 0xe3 }; 807 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 808 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 809 UAC_FU_VOLUME << 8, 9 << 8, buf, 2); 810 } 811 812 /* 813 * Novation Twitch DJ controller 814 * Focusrite Novation Saffire 6 USB audio card 815 */ 816 static int snd_usb_novation_boot_quirk(struct usb_device *dev) 817 { 818 /* preemptively set up the device because otherwise the 819 * raw MIDI endpoints are not active */ 820 usb_set_interface(dev, 0, 1); 821 return 0; 822 } 823 824 /* 825 * This call will put the synth in "USB send" mode, i.e it will send MIDI 826 * messages through USB (this is disabled at startup). The synth will 827 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 828 * sign on its LCD. Values here are chosen based on sniffing USB traffic 829 * under Windows. 830 */ 831 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 832 { 833 int err, actual_length; 834 /* "midi send" enable */ 835 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 836 void *buf; 837 838 if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x05))) 839 return -EINVAL; 840 buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 841 if (!buf) 842 return -ENOMEM; 843 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 844 ARRAY_SIZE(seq), &actual_length, 1000); 845 kfree(buf); 846 if (err < 0) 847 return err; 848 849 return 0; 850 } 851 852 /* 853 * Some sound cards from Native Instruments are in fact compliant to the USB 854 * audio standard of version 2 and other approved USB standards, even though 855 * they come up as vendor-specific device when first connected. 856 * 857 * However, they can be told to come up with a new set of descriptors 858 * upon their next enumeration, and the interfaces announced by the new 859 * descriptors will then be handled by the kernel's class drivers. As the 860 * product ID will also change, no further checks are required. 861 */ 862 863 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 864 { 865 int ret; 866 867 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0))) 868 return -EINVAL; 869 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 870 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 871 1, 0, NULL, 0, 1000); 872 873 if (ret < 0) 874 return ret; 875 876 usb_reset_device(dev); 877 878 /* return -EAGAIN, so the creation of an audio interface for this 879 * temporary device is aborted. The device will reconnect with a 880 * new product ID */ 881 return -EAGAIN; 882 } 883 884 static void mbox2_setup_48_24_magic(struct usb_device *dev) 885 { 886 u8 srate[3]; 887 u8 temp[12]; 888 889 /* Choose 48000Hz permanently */ 890 srate[0] = 0x80; 891 srate[1] = 0xbb; 892 srate[2] = 0x00; 893 894 /* Send the magic! */ 895 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 896 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); 897 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 898 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); 899 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 900 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); 901 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 902 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); 903 return; 904 } 905 906 /* Digidesign Mbox 2 needs to load firmware onboard 907 * and driver must wait a few seconds for initialisation. 908 */ 909 910 #define MBOX2_FIRMWARE_SIZE 646 911 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ 912 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ 913 914 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) 915 { 916 struct usb_host_config *config = dev->actconfig; 917 int err; 918 u8 bootresponse[0x12]; 919 int fwsize; 920 int count; 921 922 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); 923 924 if (fwsize != MBOX2_FIRMWARE_SIZE) { 925 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); 926 return -ENODEV; 927 } 928 929 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); 930 931 count = 0; 932 bootresponse[0] = MBOX2_BOOT_LOADING; 933 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { 934 msleep(500); /* 0.5 second delay */ 935 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 936 /* Control magic - load onboard firmware */ 937 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); 938 if (bootresponse[0] == MBOX2_BOOT_READY) 939 break; 940 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); 941 count++; 942 } 943 944 if (bootresponse[0] != MBOX2_BOOT_READY) { 945 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); 946 return -ENODEV; 947 } 948 949 dev_dbg(&dev->dev, "device initialised!\n"); 950 951 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 952 &dev->descriptor, sizeof(dev->descriptor)); 953 config = dev->actconfig; 954 if (err < 0) 955 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 956 957 err = usb_reset_configuration(dev); 958 if (err < 0) 959 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 960 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", 961 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 962 963 mbox2_setup_48_24_magic(dev); 964 965 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); 966 967 return 0; /* Successful boot */ 968 } 969 970 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev) 971 { 972 int err; 973 974 dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n"); 975 976 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0))) 977 return -EINVAL; 978 /* If the Axe-Fx III has not fully booted, it will timeout when trying 979 * to enable the audio streaming interface. A more generous timeout is 980 * used here to detect when the Axe-Fx III has finished booting as the 981 * set interface message will be acked once it has 982 */ 983 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 984 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, 985 1, 1, NULL, 0, 120000); 986 if (err < 0) { 987 dev_err(&dev->dev, 988 "failed waiting for Axe-Fx III to boot: %d\n", err); 989 return err; 990 } 991 992 dev_dbg(&dev->dev, "Axe-Fx III is now ready\n"); 993 994 err = usb_set_interface(dev, 1, 0); 995 if (err < 0) 996 dev_dbg(&dev->dev, 997 "error stopping Axe-Fx III interface: %d\n", err); 998 999 return 0; 1000 } 1001 1002 1003 #define MICROBOOK_BUF_SIZE 128 1004 1005 static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf, 1006 int buf_size, int *length) 1007 { 1008 int err, actual_length; 1009 1010 if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x01))) 1011 return -EINVAL; 1012 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length, 1013 &actual_length, 1000); 1014 if (err < 0) 1015 return err; 1016 1017 print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1, 1018 buf, actual_length, false); 1019 1020 memset(buf, 0, buf_size); 1021 1022 if (snd_usb_pipe_sanity_check(dev, usb_rcvintpipe(dev, 0x82))) 1023 return -EINVAL; 1024 err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size, 1025 &actual_length, 1000); 1026 if (err < 0) 1027 return err; 1028 1029 print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1, 1030 buf, actual_length, false); 1031 1032 *length = actual_length; 1033 return 0; 1034 } 1035 1036 static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev) 1037 { 1038 int err, actual_length, poll_attempts = 0; 1039 static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00, 1040 0x00, 0x00, 0x0b, 0x14, 1041 0x00, 0x00, 0x00, 0x01 }; 1042 static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00, 1043 0x00, 0x00, 0x0b, 0x18 }; 1044 u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL); 1045 1046 if (!buf) 1047 return -ENOMEM; 1048 1049 dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n"); 1050 1051 /* First we tell the device which sample rate to use. */ 1052 memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq)); 1053 actual_length = sizeof(set_samplerate_seq); 1054 err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE, 1055 &actual_length); 1056 1057 if (err < 0) { 1058 dev_err(&dev->dev, 1059 "failed setting the sample rate for Motu MicroBook II: %d\n", 1060 err); 1061 goto free_buf; 1062 } 1063 1064 /* Then we poll every 100 ms until the device informs of its readiness. */ 1065 while (true) { 1066 if (++poll_attempts > 100) { 1067 dev_err(&dev->dev, 1068 "failed booting Motu MicroBook II: timeout\n"); 1069 err = -ENODEV; 1070 goto free_buf; 1071 } 1072 1073 memset(buf, 0, MICROBOOK_BUF_SIZE); 1074 memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq)); 1075 1076 actual_length = sizeof(poll_ready_seq); 1077 err = snd_usb_motu_microbookii_communicate( 1078 dev, buf, MICROBOOK_BUF_SIZE, &actual_length); 1079 if (err < 0) { 1080 dev_err(&dev->dev, 1081 "failed booting Motu MicroBook II: communication error %d\n", 1082 err); 1083 goto free_buf; 1084 } 1085 1086 /* the device signals its readiness through a message of the 1087 * form 1088 * XX 06 00 00 00 00 0b 18 00 00 00 01 1089 * If the device is not yet ready to accept audio data, the 1090 * last byte of that sequence is 00. 1091 */ 1092 if (actual_length == 12 && buf[actual_length - 1] == 1) 1093 break; 1094 1095 msleep(100); 1096 } 1097 1098 dev_info(&dev->dev, "MOTU MicroBook II ready\n"); 1099 1100 free_buf: 1101 kfree(buf); 1102 return err; 1103 } 1104 1105 /* 1106 * Setup quirks 1107 */ 1108 #define MAUDIO_SET 0x01 /* parse device_setup */ 1109 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 1110 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 1111 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 1112 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 1113 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 1114 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 1115 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 1116 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 1117 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 1118 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 1119 1120 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 1121 int iface, int altno) 1122 { 1123 /* Reset ALL ifaces to 0 altsetting. 1124 * Call it for every possible altsetting of every interface. 1125 */ 1126 usb_set_interface(chip->dev, iface, 0); 1127 if (chip->setup & MAUDIO_SET) { 1128 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 1129 if (iface != 1 && iface != 2) 1130 return 1; /* skip all interfaces but 1 and 2 */ 1131 } else { 1132 unsigned int mask; 1133 if (iface == 1 || iface == 2) 1134 return 1; /* skip interfaces 1 and 2 */ 1135 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1136 return 1; /* skip this altsetting */ 1137 mask = chip->setup & MAUDIO_SET_MASK; 1138 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1139 return 1; /* skip this altsetting */ 1140 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1141 return 1; /* skip this altsetting */ 1142 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 1143 return 1; /* skip this altsetting */ 1144 } 1145 } 1146 usb_audio_dbg(chip, 1147 "using altsetting %d for interface %d config %d\n", 1148 altno, iface, chip->setup); 1149 return 0; /* keep this altsetting */ 1150 } 1151 1152 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 1153 int iface, 1154 int altno) 1155 { 1156 /* Reset ALL ifaces to 0 altsetting. 1157 * Call it for every possible altsetting of every interface. 1158 */ 1159 usb_set_interface(chip->dev, iface, 0); 1160 1161 if (chip->setup & MAUDIO_SET) { 1162 unsigned int mask; 1163 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 1164 return 1; /* skip this altsetting */ 1165 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1166 return 1; /* skip this altsetting */ 1167 mask = chip->setup & MAUDIO_SET_MASK; 1168 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1169 return 1; /* skip this altsetting */ 1170 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1171 return 1; /* skip this altsetting */ 1172 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 1173 return 1; /* skip this altsetting */ 1174 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 1175 return 1; /* skip this altsetting */ 1176 } 1177 1178 return 0; /* keep this altsetting */ 1179 } 1180 1181 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 1182 int iface, int altno) 1183 { 1184 /* Reset ALL ifaces to 0 altsetting. 1185 * Call it for every possible altsetting of every interface. 1186 */ 1187 usb_set_interface(chip->dev, iface, 0); 1188 1189 /* possible configuration where both inputs and only one output is 1190 *used is not supported by the current setup 1191 */ 1192 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 1193 if (chip->setup & MAUDIO_SET_96K) { 1194 if (altno != 3 && altno != 6) 1195 return 1; 1196 } else if (chip->setup & MAUDIO_SET_DI) { 1197 if (iface == 4) 1198 return 1; /* no analog input */ 1199 if (altno != 2 && altno != 5) 1200 return 1; /* enable only altsets 2 and 5 */ 1201 } else { 1202 if (iface == 5) 1203 return 1; /* disable digialt input */ 1204 if (altno != 2 && altno != 5) 1205 return 1; /* enalbe only altsets 2 and 5 */ 1206 } 1207 } else { 1208 /* keep only 16-Bit mode */ 1209 if (altno != 1) 1210 return 1; 1211 } 1212 1213 usb_audio_dbg(chip, 1214 "using altsetting %d for interface %d config %d\n", 1215 altno, iface, chip->setup); 1216 return 0; /* keep this altsetting */ 1217 } 1218 1219 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 1220 int iface, 1221 int altno) 1222 { 1223 /* audiophile usb: skip altsets incompatible with device_setup */ 1224 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 1225 return audiophile_skip_setting_quirk(chip, iface, altno); 1226 /* quattro usb: skip altsets incompatible with device_setup */ 1227 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 1228 return quattro_skip_setting_quirk(chip, iface, altno); 1229 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 1230 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 1231 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 1232 1233 return 0; 1234 } 1235 1236 int snd_usb_apply_boot_quirk(struct usb_device *dev, 1237 struct usb_interface *intf, 1238 const struct snd_usb_audio_quirk *quirk, 1239 unsigned int id) 1240 { 1241 switch (id) { 1242 case USB_ID(0x041e, 0x3000): 1243 /* SB Extigy needs special boot-up sequence */ 1244 /* if more models come, this will go to the quirk list. */ 1245 return snd_usb_extigy_boot_quirk(dev, intf); 1246 1247 case USB_ID(0x041e, 0x3020): 1248 /* SB Audigy 2 NX needs its own boot-up magic, too */ 1249 return snd_usb_audigy2nx_boot_quirk(dev); 1250 1251 case USB_ID(0x10f5, 0x0200): 1252 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 1253 return snd_usb_cm106_boot_quirk(dev); 1254 1255 case USB_ID(0x0d8c, 0x0102): 1256 /* C-Media CM6206 / CM106-Like Sound Device */ 1257 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1258 return snd_usb_cm6206_boot_quirk(dev); 1259 1260 case USB_ID(0x0dba, 0x3000): 1261 /* Digidesign Mbox 2 */ 1262 return snd_usb_mbox2_boot_quirk(dev); 1263 1264 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1265 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1266 return snd_usb_novation_boot_quirk(dev); 1267 1268 case USB_ID(0x133e, 0x0815): 1269 /* Access Music VirusTI Desktop */ 1270 return snd_usb_accessmusic_boot_quirk(dev); 1271 1272 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1273 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1274 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1275 return snd_usb_nativeinstruments_boot_quirk(dev); 1276 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1277 return snd_usb_fasttrackpro_boot_quirk(dev); 1278 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1279 return snd_usb_gamecon780_boot_quirk(dev); 1280 case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */ 1281 return snd_usb_axefx3_boot_quirk(dev); 1282 case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */ 1283 return snd_usb_motu_microbookii_boot_quirk(dev); 1284 } 1285 1286 return 0; 1287 } 1288 1289 /* 1290 * check if the device uses big-endian samples 1291 */ 1292 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1293 { 1294 /* it depends on altsetting whether the device is big-endian or not */ 1295 switch (chip->usb_id) { 1296 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1297 if (fp->altsetting == 2 || fp->altsetting == 3 || 1298 fp->altsetting == 5 || fp->altsetting == 6) 1299 return 1; 1300 break; 1301 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1302 if (chip->setup == 0x00 || 1303 fp->altsetting == 1 || fp->altsetting == 2 || 1304 fp->altsetting == 3) 1305 return 1; 1306 break; 1307 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1308 if (fp->altsetting == 2 || fp->altsetting == 3 || 1309 fp->altsetting == 5 || fp->altsetting == 6) 1310 return 1; 1311 break; 1312 } 1313 return 0; 1314 } 1315 1316 /* 1317 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1318 * not for interface. 1319 */ 1320 1321 enum { 1322 EMU_QUIRK_SR_44100HZ = 0, 1323 EMU_QUIRK_SR_48000HZ, 1324 EMU_QUIRK_SR_88200HZ, 1325 EMU_QUIRK_SR_96000HZ, 1326 EMU_QUIRK_SR_176400HZ, 1327 EMU_QUIRK_SR_192000HZ 1328 }; 1329 1330 static void set_format_emu_quirk(struct snd_usb_substream *subs, 1331 struct audioformat *fmt) 1332 { 1333 unsigned char emu_samplerate_id = 0; 1334 1335 /* When capture is active 1336 * sample rate shouldn't be changed 1337 * by playback substream 1338 */ 1339 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1340 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1341 return; 1342 } 1343 1344 switch (fmt->rate_min) { 1345 case 48000: 1346 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1347 break; 1348 case 88200: 1349 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1350 break; 1351 case 96000: 1352 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1353 break; 1354 case 176400: 1355 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1356 break; 1357 case 192000: 1358 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1359 break; 1360 default: 1361 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1362 break; 1363 } 1364 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1365 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1366 } 1367 1368 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1369 struct audioformat *fmt) 1370 { 1371 switch (subs->stream->chip->usb_id) { 1372 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1373 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1374 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1375 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1376 set_format_emu_quirk(subs, fmt); 1377 break; 1378 } 1379 } 1380 1381 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1382 { 1383 /* devices which do not support reading the sample rate. */ 1384 switch (chip->usb_id) { 1385 case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */ 1386 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ 1387 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */ 1388 case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */ 1389 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1390 case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */ 1391 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */ 1392 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ 1393 return true; 1394 } 1395 1396 /* devices of these vendors don't support reading rate, either */ 1397 switch (USB_ID_VENDOR(chip->usb_id)) { 1398 case 0x045E: /* MS Lifecam */ 1399 case 0x047F: /* Plantronics */ 1400 case 0x1de7: /* Phoenix Audio */ 1401 return true; 1402 } 1403 1404 return false; 1405 } 1406 1407 /* ITF-USB DSD based DACs need a vendor cmd to switch 1408 * between PCM and native DSD mode 1409 */ 1410 static bool is_itf_usb_dsd_dac(unsigned int id) 1411 { 1412 switch (id) { 1413 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1414 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1415 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1416 case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */ 1417 case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */ 1418 case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */ 1419 case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */ 1420 return true; 1421 } 1422 return false; 1423 } 1424 1425 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1426 struct audioformat *fmt) 1427 { 1428 struct usb_device *dev = subs->dev; 1429 int err; 1430 1431 if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) { 1432 /* First switch to alt set 0, otherwise the mode switch cmd 1433 * will not be accepted by the DAC 1434 */ 1435 err = usb_set_interface(dev, fmt->iface, 0); 1436 if (err < 0) 1437 return err; 1438 1439 msleep(20); /* Delay needed after setting the interface */ 1440 1441 /* Vendor mode switch cmd is required. */ 1442 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) { 1443 /* DSD mode (DSD_U32) requested */ 1444 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1445 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1446 1, 1, NULL, 0); 1447 if (err < 0) 1448 return err; 1449 1450 } else { 1451 /* PCM or DOP mode (S32) requested */ 1452 /* PCM mode (S16) requested */ 1453 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1454 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1455 0, 1, NULL, 0); 1456 if (err < 0) 1457 return err; 1458 1459 } 1460 msleep(20); 1461 } 1462 return 0; 1463 } 1464 1465 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1466 { 1467 /* 1468 * "Playback Design" products send bogus feedback data at the start 1469 * of the stream. Ignore them. 1470 */ 1471 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && 1472 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1473 ep->skip_packets = 4; 1474 1475 /* 1476 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1477 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1478 * the stream is (re)started. When skipping packets 16 at endpoint 1479 * start up, the real world latency is stable within +/- 1 frame (also 1480 * across power cycles). 1481 */ 1482 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1483 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1484 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1485 ep->skip_packets = 16; 1486 1487 /* Work around devices that report unreasonable feedback data */ 1488 if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-H01 */ 1489 ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */ 1490 ep->syncmaxsize == 4) 1491 ep->tenor_fb_quirk = 1; 1492 } 1493 1494 void snd_usb_set_interface_quirk(struct usb_device *dev) 1495 { 1496 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1497 1498 if (!chip) 1499 return; 1500 /* 1501 * "Playback Design" products need a 50ms delay after setting the 1502 * USB interface. 1503 */ 1504 switch (USB_ID_VENDOR(chip->usb_id)) { 1505 case 0x23ba: /* Playback Design */ 1506 case 0x0644: /* TEAC Corp. */ 1507 msleep(50); 1508 break; 1509 } 1510 } 1511 1512 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ 1513 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1514 __u8 request, __u8 requesttype, __u16 value, 1515 __u16 index, void *data, __u16 size) 1516 { 1517 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1518 1519 if (!chip) 1520 return; 1521 /* 1522 * "Playback Design" products need a 20ms delay after each 1523 * class compliant request 1524 */ 1525 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1526 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1527 msleep(20); 1528 1529 /* 1530 * "TEAC Corp." products need a 20ms delay after each 1531 * class compliant request 1532 */ 1533 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 && 1534 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1535 msleep(20); 1536 1537 /* ITF-USB DSD based DACs functionality need a delay 1538 * after each class compliant request 1539 */ 1540 if (is_itf_usb_dsd_dac(chip->usb_id) 1541 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1542 msleep(20); 1543 1544 /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here, 1545 * otherwise requests like get/set frequency return as failed despite 1546 * actually succeeding. 1547 */ 1548 if ((chip->usb_id == USB_ID(0x1686, 0x00dd) || 1549 chip->usb_id == USB_ID(0x046d, 0x0a46) || 1550 chip->usb_id == USB_ID(0x0b0e, 0x0349)) && 1551 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1552 usleep_range(1000, 2000); 1553 } 1554 1555 /* 1556 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1557 * augment the PCM format bit-field for DSD types. The UAC standards 1558 * don't have a designated bit field to denote DSD-capable interfaces, 1559 * hence all hardware that is known to support this format has to be 1560 * listed here. 1561 */ 1562 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1563 struct audioformat *fp, 1564 unsigned int sample_bytes) 1565 { 1566 struct usb_interface *iface; 1567 1568 /* Playback Designs */ 1569 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1570 USB_ID_PRODUCT(chip->usb_id) < 0x0110) { 1571 switch (fp->altsetting) { 1572 case 1: 1573 fp->dsd_dop = true; 1574 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1575 case 2: 1576 fp->dsd_bitrev = true; 1577 return SNDRV_PCM_FMTBIT_DSD_U8; 1578 case 3: 1579 fp->dsd_bitrev = true; 1580 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1581 } 1582 } 1583 1584 /* XMOS based USB DACs */ 1585 switch (chip->usb_id) { 1586 case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */ 1587 case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */ 1588 case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */ 1589 if (fp->altsetting == 2) 1590 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1591 break; 1592 1593 case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */ 1594 case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */ 1595 case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */ 1596 case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */ 1597 case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */ 1598 case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */ 1599 case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */ 1600 case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */ 1601 case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */ 1602 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1603 case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */ 1604 case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */ 1605 case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */ 1606 case USB_ID(0x6b42, 0x0042): /* MSB Technology */ 1607 if (fp->altsetting == 3) 1608 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1609 break; 1610 1611 /* Amanero Combo384 USB based DACs with native DSD support */ 1612 case USB_ID(0x16d0, 0x071a): /* Amanero - Combo384 */ 1613 case USB_ID(0x2ab6, 0x0004): /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */ 1614 case USB_ID(0x2ab6, 0x0005): /* T+A USB HD Audio 1 */ 1615 case USB_ID(0x2ab6, 0x0006): /* T+A USB HD Audio 2 */ 1616 if (fp->altsetting == 2) { 1617 switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) { 1618 case 0x199: 1619 return SNDRV_PCM_FMTBIT_DSD_U32_LE; 1620 case 0x19b: 1621 case 0x203: 1622 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1623 default: 1624 break; 1625 } 1626 } 1627 break; 1628 case USB_ID(0x16d0, 0x0a23): 1629 if (fp->altsetting == 2) 1630 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1631 break; 1632 1633 default: 1634 break; 1635 } 1636 1637 /* ITF-USB DSD based DACs */ 1638 if (is_itf_usb_dsd_dac(chip->usb_id)) { 1639 iface = usb_ifnum_to_if(chip->dev, fp->iface); 1640 1641 /* Altsetting 2 support native DSD if the num of altsets is 1642 * three (0-2), 1643 * Altsetting 3 support native DSD if the num of altsets is 1644 * four (0-3). 1645 */ 1646 if (fp->altsetting == iface->num_altsetting - 1) 1647 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1648 } 1649 1650 /* Mostly generic method to detect many DSD-capable implementations - 1651 * from XMOS/Thesycon 1652 */ 1653 switch (USB_ID_VENDOR(chip->usb_id)) { 1654 case 0x152a: /* Thesycon devices */ 1655 case 0x20b1: /* XMOS based devices */ 1656 case 0x22d9: /* Oppo */ 1657 case 0x23ba: /* Playback Designs */ 1658 case 0x25ce: /* Mytek devices */ 1659 case 0x278b: /* Rotel? */ 1660 case 0x2ab6: /* T+A devices */ 1661 case 0x3842: /* EVGA */ 1662 case 0xc502: /* HiBy devices */ 1663 if (fp->dsd_raw) 1664 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1665 break; 1666 default: 1667 break; 1668 1669 } 1670 1671 return 0; 1672 } 1673 1674 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip, 1675 struct audioformat *fp, 1676 int stream) 1677 { 1678 switch (chip->usb_id) { 1679 case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */ 1680 /* Optoplay sets the sample rate attribute although 1681 * it seems not supporting it in fact. 1682 */ 1683 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE; 1684 break; 1685 case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */ 1686 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1687 /* doesn't set the sample rate attribute, but supports it */ 1688 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE; 1689 break; 1690 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */ 1691 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1692 case USB_ID(0x047f, 0x0ca1): /* plantronics headset */ 1693 case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is 1694 an older model 77d:223) */ 1695 /* 1696 * plantronics headset and Griffin iMic have set adaptive-in 1697 * although it's really not... 1698 */ 1699 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE; 1700 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 1701 fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE; 1702 else 1703 fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC; 1704 break; 1705 } 1706 } 1707