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 static int setup_fmt_after_resume_quirk(struct snd_usb_audio *chip, 513 struct usb_interface *iface, 514 struct usb_driver *driver, 515 const struct snd_usb_audio_quirk *quirk) 516 { 517 chip->setup_fmt_after_resume_quirk = 1; 518 return 1; /* Continue with creating streams and mixer */ 519 } 520 521 /* 522 * audio-interface quirks 523 * 524 * returns zero if no standard audio/MIDI parsing is needed. 525 * returns a positive value if standard audio/midi interfaces are parsed 526 * after this. 527 * returns a negative value at error. 528 */ 529 int snd_usb_create_quirk(struct snd_usb_audio *chip, 530 struct usb_interface *iface, 531 struct usb_driver *driver, 532 const struct snd_usb_audio_quirk *quirk) 533 { 534 typedef int (*quirk_func_t)(struct snd_usb_audio *, 535 struct usb_interface *, 536 struct usb_driver *, 537 const struct snd_usb_audio_quirk *); 538 static const quirk_func_t quirk_funcs[] = { 539 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 540 [QUIRK_COMPOSITE] = create_composite_quirk, 541 [QUIRK_AUTODETECT] = create_autodetect_quirks, 542 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 543 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 544 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 545 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, 546 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 547 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 548 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 549 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 550 [QUIRK_MIDI_CME] = create_any_midi_quirk, 551 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 552 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 553 [QUIRK_MIDI_CH345] = create_any_midi_quirk, 554 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 555 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 556 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 557 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 558 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 559 [QUIRK_SETUP_FMT_AFTER_RESUME] = setup_fmt_after_resume_quirk, 560 }; 561 562 if (quirk->type < QUIRK_TYPE_COUNT) { 563 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 564 } else { 565 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); 566 return -ENXIO; 567 } 568 } 569 570 /* 571 * boot quirks 572 */ 573 574 #define EXTIGY_FIRMWARE_SIZE_OLD 794 575 #define EXTIGY_FIRMWARE_SIZE_NEW 483 576 577 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 578 { 579 struct usb_host_config *config = dev->actconfig; 580 int err; 581 582 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 583 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 584 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); 585 /* Send message to force it to reconnect with full interface. */ 586 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 587 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 588 if (err < 0) 589 dev_dbg(&dev->dev, "error sending boot message: %d\n", err); 590 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 591 &dev->descriptor, sizeof(dev->descriptor)); 592 config = dev->actconfig; 593 if (err < 0) 594 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 595 err = usb_reset_configuration(dev); 596 if (err < 0) 597 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 598 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", 599 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 600 return -ENODEV; /* quit this anyway */ 601 } 602 return 0; 603 } 604 605 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 606 { 607 u8 buf = 1; 608 609 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 610 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 611 0, 0, &buf, 1); 612 if (buf == 0) { 613 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 614 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 615 1, 2000, NULL, 0); 616 return -ENODEV; 617 } 618 return 0; 619 } 620 621 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 622 { 623 int err; 624 625 if (dev->actconfig->desc.bConfigurationValue == 1) { 626 dev_info(&dev->dev, 627 "Fast Track Pro switching to config #2\n"); 628 /* This function has to be available by the usb core module. 629 * if it is not avialable the boot quirk has to be left out 630 * and the configuration has to be set by udev or hotplug 631 * rules 632 */ 633 err = usb_driver_set_configuration(dev, 2); 634 if (err < 0) 635 dev_dbg(&dev->dev, 636 "error usb_driver_set_configuration: %d\n", 637 err); 638 /* Always return an error, so that we stop creating a device 639 that will just be destroyed and recreated with a new 640 configuration */ 641 return -ENODEV; 642 } else 643 dev_info(&dev->dev, "Fast Track Pro config OK\n"); 644 645 return 0; 646 } 647 648 /* 649 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 650 * documented in the device's data sheet. 651 */ 652 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 653 { 654 u8 buf[4]; 655 buf[0] = 0x20; 656 buf[1] = value & 0xff; 657 buf[2] = (value >> 8) & 0xff; 658 buf[3] = reg; 659 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 660 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 661 0, 0, &buf, 4); 662 } 663 664 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 665 { 666 /* 667 * Enable line-out driver mode, set headphone source to front 668 * channels, enable stereo mic. 669 */ 670 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 671 } 672 673 /* 674 * CM6206 registers from the CM6206 datasheet rev 2.1 675 */ 676 #define CM6206_REG0_DMA_MASTER BIT(15) 677 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12) 678 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12) 679 /* Bit 4 thru 11 is the S/PDIF category code */ 680 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4) 681 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3) 682 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2) 683 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1) 684 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0) 685 686 #define CM6206_REG1_TEST_SEL_CLK BIT(14) 687 #define CM6206_REG1_PLLBIN_EN BIT(13) 688 #define CM6206_REG1_SOFT_MUTE_EN BIT(12) 689 #define CM6206_REG1_GPIO4_OUT BIT(11) 690 #define CM6206_REG1_GPIO4_OE BIT(10) 691 #define CM6206_REG1_GPIO3_OUT BIT(9) 692 #define CM6206_REG1_GPIO3_OE BIT(8) 693 #define CM6206_REG1_GPIO2_OUT BIT(7) 694 #define CM6206_REG1_GPIO2_OE BIT(6) 695 #define CM6206_REG1_GPIO1_OUT BIT(5) 696 #define CM6206_REG1_GPIO1_OE BIT(4) 697 #define CM6206_REG1_SPDIFO_INVALID BIT(3) 698 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2) 699 #define CM6206_REG1_SPDIFO_DIS BIT(1) 700 #define CM6206_REG1_SPDIFI_MIX BIT(0) 701 702 #define CM6206_REG2_DRIVER_ON BIT(15) 703 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13) 704 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13) 705 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13) 706 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13) 707 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12) 708 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11) 709 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10) 710 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9) 711 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8) 712 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7) 713 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6) 714 #define CM6206_REG2_MUTE_CENTER BIT(5) 715 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3) 716 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3) 717 #define CM6206_REG2_EN_BTL BIT(2) 718 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0) 719 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1) 720 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2) 721 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3) 722 723 /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */ 724 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11) 725 #define CM6206_REG3_VRAP25EN BIT(10) 726 #define CM6206_REG3_MSEL1 BIT(9) 727 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7) 728 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7) 729 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7) 730 #define CM6206_REG3_PINSEL BIT(6) 731 #define CM6206_REG3_FOE BIT(5) 732 #define CM6206_REG3_ROE BIT(4) 733 #define CM6206_REG3_CBOE BIT(3) 734 #define CM6206_REG3_LOSE BIT(2) 735 #define CM6206_REG3_HPOE BIT(1) 736 #define CM6206_REG3_SPDIFI_CANREC BIT(0) 737 738 #define CM6206_REG5_DA_RSTN BIT(13) 739 #define CM6206_REG5_AD_RSTN BIT(12) 740 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12) 741 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9) 742 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9) 743 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9) 744 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9) 745 #define CM6206_REG5_CODECM BIT(8) 746 #define CM6206_REG5_EN_HPF BIT(7) 747 #define CM6206_REG5_T_SEL_DSDA4 BIT(6) 748 #define CM6206_REG5_T_SEL_DSDA3 BIT(5) 749 #define CM6206_REG5_T_SEL_DSDA2 BIT(4) 750 #define CM6206_REG5_T_SEL_DSDA1 BIT(3) 751 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0 752 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4 753 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5 754 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6 755 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7 756 757 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 758 { 759 int err = 0, reg; 760 int val[] = { 761 /* 762 * Values here are chosen based on sniffing USB traffic 763 * under Windows. 764 * 765 * REG0: DAC is master, sample rate 48kHz, no copyright 766 */ 767 CM6206_REG0_SPDIFO_RATE_48K | 768 CM6206_REG0_SPDIFO_COPYRIGHT_NA, 769 /* 770 * REG1: PLL binary search enable, soft mute enable. 771 */ 772 CM6206_REG1_PLLBIN_EN | 773 CM6206_REG1_SOFT_MUTE_EN, 774 /* 775 * REG2: enable output drivers, 776 * select front channels to the headphone output, 777 * then mute the headphone channels, run the MCU 778 * at 1.5 MHz. 779 */ 780 CM6206_REG2_DRIVER_ON | 781 CM6206_REG2_HEADP_SEL_FRONT_CHANNELS | 782 CM6206_REG2_MUTE_HEADPHONE_RIGHT | 783 CM6206_REG2_MUTE_HEADPHONE_LEFT, 784 /* 785 * REG3: default flyspeed, set 2.5V mic bias 786 * enable all line out ports and enable SPDIF 787 */ 788 CM6206_REG3_FLYSPEED_DEFAULT | 789 CM6206_REG3_VRAP25EN | 790 CM6206_REG3_FOE | 791 CM6206_REG3_ROE | 792 CM6206_REG3_CBOE | 793 CM6206_REG3_LOSE | 794 CM6206_REG3_HPOE | 795 CM6206_REG3_SPDIFI_CANREC, 796 /* REG4 is just a bunch of GPIO lines */ 797 0x0000, 798 /* REG5: de-assert AD/DA reset signals */ 799 CM6206_REG5_DA_RSTN | 800 CM6206_REG5_AD_RSTN }; 801 802 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 803 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 804 if (err < 0) 805 return err; 806 } 807 808 return err; 809 } 810 811 /* quirk for Plantronics GameCom 780 with CM6302 chip */ 812 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) 813 { 814 /* set the initial volume and don't change; other values are either 815 * too loud or silent due to firmware bug (bko#65251) 816 */ 817 u8 buf[2] = { 0x74, 0xe3 }; 818 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 819 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 820 UAC_FU_VOLUME << 8, 9 << 8, buf, 2); 821 } 822 823 /* 824 * Novation Twitch DJ controller 825 * Focusrite Novation Saffire 6 USB audio card 826 */ 827 static int snd_usb_novation_boot_quirk(struct usb_device *dev) 828 { 829 /* preemptively set up the device because otherwise the 830 * raw MIDI endpoints are not active */ 831 usb_set_interface(dev, 0, 1); 832 return 0; 833 } 834 835 /* 836 * This call will put the synth in "USB send" mode, i.e it will send MIDI 837 * messages through USB (this is disabled at startup). The synth will 838 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 839 * sign on its LCD. Values here are chosen based on sniffing USB traffic 840 * under Windows. 841 */ 842 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 843 { 844 int err, actual_length; 845 /* "midi send" enable */ 846 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 847 void *buf; 848 849 if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x05))) 850 return -EINVAL; 851 buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 852 if (!buf) 853 return -ENOMEM; 854 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 855 ARRAY_SIZE(seq), &actual_length, 1000); 856 kfree(buf); 857 if (err < 0) 858 return err; 859 860 return 0; 861 } 862 863 /* 864 * Some sound cards from Native Instruments are in fact compliant to the USB 865 * audio standard of version 2 and other approved USB standards, even though 866 * they come up as vendor-specific device when first connected. 867 * 868 * However, they can be told to come up with a new set of descriptors 869 * upon their next enumeration, and the interfaces announced by the new 870 * descriptors will then be handled by the kernel's class drivers. As the 871 * product ID will also change, no further checks are required. 872 */ 873 874 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 875 { 876 int ret; 877 878 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0))) 879 return -EINVAL; 880 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 881 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 882 1, 0, NULL, 0, 1000); 883 884 if (ret < 0) 885 return ret; 886 887 usb_reset_device(dev); 888 889 /* return -EAGAIN, so the creation of an audio interface for this 890 * temporary device is aborted. The device will reconnect with a 891 * new product ID */ 892 return -EAGAIN; 893 } 894 895 static void mbox2_setup_48_24_magic(struct usb_device *dev) 896 { 897 u8 srate[3]; 898 u8 temp[12]; 899 900 /* Choose 48000Hz permanently */ 901 srate[0] = 0x80; 902 srate[1] = 0xbb; 903 srate[2] = 0x00; 904 905 /* Send the magic! */ 906 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 907 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); 908 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 909 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); 910 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 911 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); 912 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 913 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); 914 return; 915 } 916 917 /* Digidesign Mbox 2 needs to load firmware onboard 918 * and driver must wait a few seconds for initialisation. 919 */ 920 921 #define MBOX2_FIRMWARE_SIZE 646 922 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ 923 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ 924 925 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) 926 { 927 struct usb_host_config *config = dev->actconfig; 928 int err; 929 u8 bootresponse[0x12]; 930 int fwsize; 931 int count; 932 933 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); 934 935 if (fwsize != MBOX2_FIRMWARE_SIZE) { 936 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); 937 return -ENODEV; 938 } 939 940 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); 941 942 count = 0; 943 bootresponse[0] = MBOX2_BOOT_LOADING; 944 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { 945 msleep(500); /* 0.5 second delay */ 946 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 947 /* Control magic - load onboard firmware */ 948 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); 949 if (bootresponse[0] == MBOX2_BOOT_READY) 950 break; 951 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); 952 count++; 953 } 954 955 if (bootresponse[0] != MBOX2_BOOT_READY) { 956 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); 957 return -ENODEV; 958 } 959 960 dev_dbg(&dev->dev, "device initialised!\n"); 961 962 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 963 &dev->descriptor, sizeof(dev->descriptor)); 964 config = dev->actconfig; 965 if (err < 0) 966 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 967 968 err = usb_reset_configuration(dev); 969 if (err < 0) 970 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 971 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", 972 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 973 974 mbox2_setup_48_24_magic(dev); 975 976 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); 977 978 return 0; /* Successful boot */ 979 } 980 981 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev) 982 { 983 int err; 984 985 dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n"); 986 987 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0))) 988 return -EINVAL; 989 /* If the Axe-Fx III has not fully booted, it will timeout when trying 990 * to enable the audio streaming interface. A more generous timeout is 991 * used here to detect when the Axe-Fx III has finished booting as the 992 * set interface message will be acked once it has 993 */ 994 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 995 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, 996 1, 1, NULL, 0, 120000); 997 if (err < 0) { 998 dev_err(&dev->dev, 999 "failed waiting for Axe-Fx III to boot: %d\n", err); 1000 return err; 1001 } 1002 1003 dev_dbg(&dev->dev, "Axe-Fx III is now ready\n"); 1004 1005 err = usb_set_interface(dev, 1, 0); 1006 if (err < 0) 1007 dev_dbg(&dev->dev, 1008 "error stopping Axe-Fx III interface: %d\n", err); 1009 1010 return 0; 1011 } 1012 1013 1014 #define MICROBOOK_BUF_SIZE 128 1015 1016 static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf, 1017 int buf_size, int *length) 1018 { 1019 int err, actual_length; 1020 1021 if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x01))) 1022 return -EINVAL; 1023 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length, 1024 &actual_length, 1000); 1025 if (err < 0) 1026 return err; 1027 1028 print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1, 1029 buf, actual_length, false); 1030 1031 memset(buf, 0, buf_size); 1032 1033 if (snd_usb_pipe_sanity_check(dev, usb_rcvintpipe(dev, 0x82))) 1034 return -EINVAL; 1035 err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size, 1036 &actual_length, 1000); 1037 if (err < 0) 1038 return err; 1039 1040 print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1, 1041 buf, actual_length, false); 1042 1043 *length = actual_length; 1044 return 0; 1045 } 1046 1047 static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev) 1048 { 1049 int err, actual_length, poll_attempts = 0; 1050 static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00, 1051 0x00, 0x00, 0x0b, 0x14, 1052 0x00, 0x00, 0x00, 0x01 }; 1053 static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00, 1054 0x00, 0x00, 0x0b, 0x18 }; 1055 u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL); 1056 1057 if (!buf) 1058 return -ENOMEM; 1059 1060 dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n"); 1061 1062 /* First we tell the device which sample rate to use. */ 1063 memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq)); 1064 actual_length = sizeof(set_samplerate_seq); 1065 err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE, 1066 &actual_length); 1067 1068 if (err < 0) { 1069 dev_err(&dev->dev, 1070 "failed setting the sample rate for Motu MicroBook II: %d\n", 1071 err); 1072 goto free_buf; 1073 } 1074 1075 /* Then we poll every 100 ms until the device informs of its readiness. */ 1076 while (true) { 1077 if (++poll_attempts > 100) { 1078 dev_err(&dev->dev, 1079 "failed booting Motu MicroBook II: timeout\n"); 1080 err = -ENODEV; 1081 goto free_buf; 1082 } 1083 1084 memset(buf, 0, MICROBOOK_BUF_SIZE); 1085 memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq)); 1086 1087 actual_length = sizeof(poll_ready_seq); 1088 err = snd_usb_motu_microbookii_communicate( 1089 dev, buf, MICROBOOK_BUF_SIZE, &actual_length); 1090 if (err < 0) { 1091 dev_err(&dev->dev, 1092 "failed booting Motu MicroBook II: communication error %d\n", 1093 err); 1094 goto free_buf; 1095 } 1096 1097 /* the device signals its readiness through a message of the 1098 * form 1099 * XX 06 00 00 00 00 0b 18 00 00 00 01 1100 * If the device is not yet ready to accept audio data, the 1101 * last byte of that sequence is 00. 1102 */ 1103 if (actual_length == 12 && buf[actual_length - 1] == 1) 1104 break; 1105 1106 msleep(100); 1107 } 1108 1109 dev_info(&dev->dev, "MOTU MicroBook II ready\n"); 1110 1111 free_buf: 1112 kfree(buf); 1113 return err; 1114 } 1115 1116 /* 1117 * Setup quirks 1118 */ 1119 #define MAUDIO_SET 0x01 /* parse device_setup */ 1120 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 1121 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 1122 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 1123 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 1124 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 1125 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 1126 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 1127 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 1128 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 1129 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 1130 1131 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 1132 int iface, int altno) 1133 { 1134 /* Reset ALL ifaces to 0 altsetting. 1135 * Call it for every possible altsetting of every interface. 1136 */ 1137 usb_set_interface(chip->dev, iface, 0); 1138 if (chip->setup & MAUDIO_SET) { 1139 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 1140 if (iface != 1 && iface != 2) 1141 return 1; /* skip all interfaces but 1 and 2 */ 1142 } else { 1143 unsigned int mask; 1144 if (iface == 1 || iface == 2) 1145 return 1; /* skip interfaces 1 and 2 */ 1146 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1147 return 1; /* skip this altsetting */ 1148 mask = chip->setup & MAUDIO_SET_MASK; 1149 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1150 return 1; /* skip this altsetting */ 1151 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1152 return 1; /* skip this altsetting */ 1153 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 1154 return 1; /* skip this altsetting */ 1155 } 1156 } 1157 usb_audio_dbg(chip, 1158 "using altsetting %d for interface %d config %d\n", 1159 altno, iface, chip->setup); 1160 return 0; /* keep this altsetting */ 1161 } 1162 1163 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 1164 int iface, 1165 int altno) 1166 { 1167 /* Reset ALL ifaces to 0 altsetting. 1168 * Call it for every possible altsetting of every interface. 1169 */ 1170 usb_set_interface(chip->dev, iface, 0); 1171 1172 if (chip->setup & MAUDIO_SET) { 1173 unsigned int mask; 1174 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 1175 return 1; /* skip this altsetting */ 1176 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1177 return 1; /* skip this altsetting */ 1178 mask = chip->setup & MAUDIO_SET_MASK; 1179 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1180 return 1; /* skip this altsetting */ 1181 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1182 return 1; /* skip this altsetting */ 1183 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 1184 return 1; /* skip this altsetting */ 1185 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 1186 return 1; /* skip this altsetting */ 1187 } 1188 1189 return 0; /* keep this altsetting */ 1190 } 1191 1192 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 1193 int iface, int altno) 1194 { 1195 /* Reset ALL ifaces to 0 altsetting. 1196 * Call it for every possible altsetting of every interface. 1197 */ 1198 usb_set_interface(chip->dev, iface, 0); 1199 1200 /* possible configuration where both inputs and only one output is 1201 *used is not supported by the current setup 1202 */ 1203 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 1204 if (chip->setup & MAUDIO_SET_96K) { 1205 if (altno != 3 && altno != 6) 1206 return 1; 1207 } else if (chip->setup & MAUDIO_SET_DI) { 1208 if (iface == 4) 1209 return 1; /* no analog input */ 1210 if (altno != 2 && altno != 5) 1211 return 1; /* enable only altsets 2 and 5 */ 1212 } else { 1213 if (iface == 5) 1214 return 1; /* disable digialt input */ 1215 if (altno != 2 && altno != 5) 1216 return 1; /* enalbe only altsets 2 and 5 */ 1217 } 1218 } else { 1219 /* keep only 16-Bit mode */ 1220 if (altno != 1) 1221 return 1; 1222 } 1223 1224 usb_audio_dbg(chip, 1225 "using altsetting %d for interface %d config %d\n", 1226 altno, iface, chip->setup); 1227 return 0; /* keep this altsetting */ 1228 } 1229 1230 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 1231 int iface, 1232 int altno) 1233 { 1234 /* audiophile usb: skip altsets incompatible with device_setup */ 1235 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 1236 return audiophile_skip_setting_quirk(chip, iface, altno); 1237 /* quattro usb: skip altsets incompatible with device_setup */ 1238 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 1239 return quattro_skip_setting_quirk(chip, iface, altno); 1240 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 1241 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 1242 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 1243 1244 return 0; 1245 } 1246 1247 int snd_usb_apply_boot_quirk(struct usb_device *dev, 1248 struct usb_interface *intf, 1249 const struct snd_usb_audio_quirk *quirk, 1250 unsigned int id) 1251 { 1252 switch (id) { 1253 case USB_ID(0x041e, 0x3000): 1254 /* SB Extigy needs special boot-up sequence */ 1255 /* if more models come, this will go to the quirk list. */ 1256 return snd_usb_extigy_boot_quirk(dev, intf); 1257 1258 case USB_ID(0x041e, 0x3020): 1259 /* SB Audigy 2 NX needs its own boot-up magic, too */ 1260 return snd_usb_audigy2nx_boot_quirk(dev); 1261 1262 case USB_ID(0x10f5, 0x0200): 1263 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 1264 return snd_usb_cm106_boot_quirk(dev); 1265 1266 case USB_ID(0x0d8c, 0x0102): 1267 /* C-Media CM6206 / CM106-Like Sound Device */ 1268 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1269 return snd_usb_cm6206_boot_quirk(dev); 1270 1271 case USB_ID(0x0dba, 0x3000): 1272 /* Digidesign Mbox 2 */ 1273 return snd_usb_mbox2_boot_quirk(dev); 1274 1275 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1276 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1277 return snd_usb_novation_boot_quirk(dev); 1278 1279 case USB_ID(0x133e, 0x0815): 1280 /* Access Music VirusTI Desktop */ 1281 return snd_usb_accessmusic_boot_quirk(dev); 1282 1283 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1284 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1285 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1286 return snd_usb_nativeinstruments_boot_quirk(dev); 1287 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1288 return snd_usb_fasttrackpro_boot_quirk(dev); 1289 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1290 return snd_usb_gamecon780_boot_quirk(dev); 1291 case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */ 1292 return snd_usb_axefx3_boot_quirk(dev); 1293 case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */ 1294 return snd_usb_motu_microbookii_boot_quirk(dev); 1295 } 1296 1297 return 0; 1298 } 1299 1300 /* 1301 * check if the device uses big-endian samples 1302 */ 1303 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1304 { 1305 /* it depends on altsetting whether the device is big-endian or not */ 1306 switch (chip->usb_id) { 1307 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1308 if (fp->altsetting == 2 || fp->altsetting == 3 || 1309 fp->altsetting == 5 || fp->altsetting == 6) 1310 return 1; 1311 break; 1312 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1313 if (chip->setup == 0x00 || 1314 fp->altsetting == 1 || fp->altsetting == 2 || 1315 fp->altsetting == 3) 1316 return 1; 1317 break; 1318 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1319 if (fp->altsetting == 2 || fp->altsetting == 3 || 1320 fp->altsetting == 5 || fp->altsetting == 6) 1321 return 1; 1322 break; 1323 } 1324 return 0; 1325 } 1326 1327 /* 1328 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1329 * not for interface. 1330 */ 1331 1332 enum { 1333 EMU_QUIRK_SR_44100HZ = 0, 1334 EMU_QUIRK_SR_48000HZ, 1335 EMU_QUIRK_SR_88200HZ, 1336 EMU_QUIRK_SR_96000HZ, 1337 EMU_QUIRK_SR_176400HZ, 1338 EMU_QUIRK_SR_192000HZ 1339 }; 1340 1341 static void set_format_emu_quirk(struct snd_usb_substream *subs, 1342 struct audioformat *fmt) 1343 { 1344 unsigned char emu_samplerate_id = 0; 1345 1346 /* When capture is active 1347 * sample rate shouldn't be changed 1348 * by playback substream 1349 */ 1350 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1351 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1352 return; 1353 } 1354 1355 switch (fmt->rate_min) { 1356 case 48000: 1357 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1358 break; 1359 case 88200: 1360 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1361 break; 1362 case 96000: 1363 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1364 break; 1365 case 176400: 1366 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1367 break; 1368 case 192000: 1369 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1370 break; 1371 default: 1372 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1373 break; 1374 } 1375 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1376 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1377 } 1378 1379 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1380 struct audioformat *fmt) 1381 { 1382 switch (subs->stream->chip->usb_id) { 1383 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1384 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1385 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1386 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1387 set_format_emu_quirk(subs, fmt); 1388 break; 1389 } 1390 } 1391 1392 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1393 { 1394 /* devices which do not support reading the sample rate. */ 1395 switch (chip->usb_id) { 1396 case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */ 1397 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ 1398 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */ 1399 case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */ 1400 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1401 case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */ 1402 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */ 1403 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ 1404 return true; 1405 } 1406 1407 /* devices of these vendors don't support reading rate, either */ 1408 switch (USB_ID_VENDOR(chip->usb_id)) { 1409 case 0x045E: /* MS Lifecam */ 1410 case 0x047F: /* Plantronics */ 1411 case 0x1de7: /* Phoenix Audio */ 1412 return true; 1413 } 1414 1415 return false; 1416 } 1417 1418 /* ITF-USB DSD based DACs need a vendor cmd to switch 1419 * between PCM and native DSD mode 1420 */ 1421 static bool is_itf_usb_dsd_dac(unsigned int id) 1422 { 1423 switch (id) { 1424 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1425 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1426 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1427 case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */ 1428 case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */ 1429 case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */ 1430 case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */ 1431 return true; 1432 } 1433 return false; 1434 } 1435 1436 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1437 struct audioformat *fmt) 1438 { 1439 struct usb_device *dev = subs->dev; 1440 int err; 1441 1442 if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) { 1443 /* First switch to alt set 0, otherwise the mode switch cmd 1444 * will not be accepted by the DAC 1445 */ 1446 err = usb_set_interface(dev, fmt->iface, 0); 1447 if (err < 0) 1448 return err; 1449 1450 msleep(20); /* Delay needed after setting the interface */ 1451 1452 /* Vendor mode switch cmd is required. */ 1453 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) { 1454 /* DSD mode (DSD_U32) requested */ 1455 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1456 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1457 1, 1, NULL, 0); 1458 if (err < 0) 1459 return err; 1460 1461 } else { 1462 /* PCM or DOP mode (S32) requested */ 1463 /* PCM mode (S16) requested */ 1464 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1465 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1466 0, 1, NULL, 0); 1467 if (err < 0) 1468 return err; 1469 1470 } 1471 msleep(20); 1472 } 1473 return 0; 1474 } 1475 1476 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1477 { 1478 /* 1479 * "Playback Design" products send bogus feedback data at the start 1480 * of the stream. Ignore them. 1481 */ 1482 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && 1483 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1484 ep->skip_packets = 4; 1485 1486 /* 1487 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1488 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1489 * the stream is (re)started. When skipping packets 16 at endpoint 1490 * start up, the real world latency is stable within +/- 1 frame (also 1491 * across power cycles). 1492 */ 1493 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1494 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1495 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1496 ep->skip_packets = 16; 1497 1498 /* Work around devices that report unreasonable feedback data */ 1499 if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-H01 */ 1500 ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */ 1501 ep->syncmaxsize == 4) 1502 ep->tenor_fb_quirk = 1; 1503 } 1504 1505 void snd_usb_set_interface_quirk(struct usb_device *dev) 1506 { 1507 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1508 1509 if (!chip) 1510 return; 1511 /* 1512 * "Playback Design" products need a 50ms delay after setting the 1513 * USB interface. 1514 */ 1515 switch (USB_ID_VENDOR(chip->usb_id)) { 1516 case 0x23ba: /* Playback Design */ 1517 case 0x0644: /* TEAC Corp. */ 1518 msleep(50); 1519 break; 1520 } 1521 } 1522 1523 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ 1524 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1525 __u8 request, __u8 requesttype, __u16 value, 1526 __u16 index, void *data, __u16 size) 1527 { 1528 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1529 1530 if (!chip) 1531 return; 1532 /* 1533 * "Playback Design" products need a 20ms delay after each 1534 * class compliant request 1535 */ 1536 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1537 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1538 msleep(20); 1539 1540 /* 1541 * "TEAC Corp." products need a 20ms delay after each 1542 * class compliant request 1543 */ 1544 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 && 1545 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1546 msleep(20); 1547 1548 /* ITF-USB DSD based DACs functionality need a delay 1549 * after each class compliant request 1550 */ 1551 if (is_itf_usb_dsd_dac(chip->usb_id) 1552 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1553 msleep(20); 1554 1555 /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here, 1556 * otherwise requests like get/set frequency return as failed despite 1557 * actually succeeding. 1558 */ 1559 if ((chip->usb_id == USB_ID(0x1686, 0x00dd) || 1560 chip->usb_id == USB_ID(0x046d, 0x0a46) || 1561 chip->usb_id == USB_ID(0x0b0e, 0x0349)) && 1562 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1563 usleep_range(1000, 2000); 1564 } 1565 1566 /* 1567 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1568 * augment the PCM format bit-field for DSD types. The UAC standards 1569 * don't have a designated bit field to denote DSD-capable interfaces, 1570 * hence all hardware that is known to support this format has to be 1571 * listed here. 1572 */ 1573 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1574 struct audioformat *fp, 1575 unsigned int sample_bytes) 1576 { 1577 struct usb_interface *iface; 1578 1579 /* Playback Designs */ 1580 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1581 USB_ID_PRODUCT(chip->usb_id) < 0x0110) { 1582 switch (fp->altsetting) { 1583 case 1: 1584 fp->dsd_dop = true; 1585 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1586 case 2: 1587 fp->dsd_bitrev = true; 1588 return SNDRV_PCM_FMTBIT_DSD_U8; 1589 case 3: 1590 fp->dsd_bitrev = true; 1591 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1592 } 1593 } 1594 1595 /* XMOS based USB DACs */ 1596 switch (chip->usb_id) { 1597 case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */ 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(0x22e1, 0xca01): /* HDTA Serenade DSD */ 1612 case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */ 1613 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1614 case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */ 1615 case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */ 1616 case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */ 1617 case USB_ID(0x6b42, 0x0042): /* MSB Technology */ 1618 if (fp->altsetting == 3) 1619 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1620 break; 1621 1622 /* Amanero Combo384 USB based DACs with native DSD support */ 1623 case USB_ID(0x16d0, 0x071a): /* Amanero - Combo384 */ 1624 case USB_ID(0x2ab6, 0x0004): /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */ 1625 case USB_ID(0x2ab6, 0x0005): /* T+A USB HD Audio 1 */ 1626 case USB_ID(0x2ab6, 0x0006): /* T+A USB HD Audio 2 */ 1627 if (fp->altsetting == 2) { 1628 switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) { 1629 case 0x199: 1630 return SNDRV_PCM_FMTBIT_DSD_U32_LE; 1631 case 0x19b: 1632 case 0x203: 1633 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1634 default: 1635 break; 1636 } 1637 } 1638 break; 1639 case USB_ID(0x16d0, 0x0a23): 1640 if (fp->altsetting == 2) 1641 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1642 break; 1643 1644 default: 1645 break; 1646 } 1647 1648 /* ITF-USB DSD based DACs */ 1649 if (is_itf_usb_dsd_dac(chip->usb_id)) { 1650 iface = usb_ifnum_to_if(chip->dev, fp->iface); 1651 1652 /* Altsetting 2 support native DSD if the num of altsets is 1653 * three (0-2), 1654 * Altsetting 3 support native DSD if the num of altsets is 1655 * four (0-3). 1656 */ 1657 if (fp->altsetting == iface->num_altsetting - 1) 1658 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1659 } 1660 1661 /* Mostly generic method to detect many DSD-capable implementations - 1662 * from XMOS/Thesycon 1663 */ 1664 switch (USB_ID_VENDOR(chip->usb_id)) { 1665 case 0x152a: /* Thesycon devices */ 1666 case 0x20b1: /* XMOS based devices */ 1667 case 0x22d9: /* Oppo */ 1668 case 0x23ba: /* Playback Designs */ 1669 case 0x25ce: /* Mytek devices */ 1670 case 0x278b: /* Rotel? */ 1671 case 0x292b: /* Gustard/Ess based devices */ 1672 case 0x2ab6: /* T+A devices */ 1673 case 0x3842: /* EVGA */ 1674 case 0xc502: /* HiBy devices */ 1675 if (fp->dsd_raw) 1676 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1677 break; 1678 default: 1679 break; 1680 1681 } 1682 1683 return 0; 1684 } 1685 1686 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip, 1687 struct audioformat *fp, 1688 int stream) 1689 { 1690 switch (chip->usb_id) { 1691 case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */ 1692 /* Optoplay sets the sample rate attribute although 1693 * it seems not supporting it in fact. 1694 */ 1695 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE; 1696 break; 1697 case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */ 1698 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1699 /* doesn't set the sample rate attribute, but supports it */ 1700 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE; 1701 break; 1702 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */ 1703 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1704 case USB_ID(0x047f, 0x0ca1): /* plantronics headset */ 1705 case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is 1706 an older model 77d:223) */ 1707 /* 1708 * plantronics headset and Griffin iMic have set adaptive-in 1709 * although it's really not... 1710 */ 1711 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE; 1712 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 1713 fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE; 1714 else 1715 fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC; 1716 break; 1717 } 1718 } 1719