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 static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev) 1117 { 1118 int ret; 1119 1120 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0))) 1121 return -EINVAL; 1122 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 1123 1, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1124 0x0, 0, NULL, 0, 1000); 1125 1126 if (ret < 0) 1127 return ret; 1128 1129 msleep(2000); 1130 1131 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 1132 1, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 1133 0x20, 0, NULL, 0, 1000); 1134 1135 if (ret < 0) 1136 return ret; 1137 1138 return 0; 1139 } 1140 1141 /* 1142 * Setup quirks 1143 */ 1144 #define MAUDIO_SET 0x01 /* parse device_setup */ 1145 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 1146 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 1147 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 1148 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 1149 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 1150 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 1151 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 1152 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 1153 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 1154 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 1155 1156 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 1157 int iface, int altno) 1158 { 1159 /* Reset ALL ifaces to 0 altsetting. 1160 * Call it for every possible altsetting of every interface. 1161 */ 1162 usb_set_interface(chip->dev, iface, 0); 1163 if (chip->setup & MAUDIO_SET) { 1164 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 1165 if (iface != 1 && iface != 2) 1166 return 1; /* skip all interfaces but 1 and 2 */ 1167 } else { 1168 unsigned int mask; 1169 if (iface == 1 || iface == 2) 1170 return 1; /* skip interfaces 1 and 2 */ 1171 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1172 return 1; /* skip this altsetting */ 1173 mask = chip->setup & MAUDIO_SET_MASK; 1174 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1175 return 1; /* skip this altsetting */ 1176 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1177 return 1; /* skip this altsetting */ 1178 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 1179 return 1; /* skip this altsetting */ 1180 } 1181 } 1182 usb_audio_dbg(chip, 1183 "using altsetting %d for interface %d config %d\n", 1184 altno, iface, chip->setup); 1185 return 0; /* keep this altsetting */ 1186 } 1187 1188 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 1189 int iface, 1190 int altno) 1191 { 1192 /* Reset ALL ifaces to 0 altsetting. 1193 * Call it for every possible altsetting of every interface. 1194 */ 1195 usb_set_interface(chip->dev, iface, 0); 1196 1197 if (chip->setup & MAUDIO_SET) { 1198 unsigned int mask; 1199 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 1200 return 1; /* skip this altsetting */ 1201 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 1202 return 1; /* skip this altsetting */ 1203 mask = chip->setup & MAUDIO_SET_MASK; 1204 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 1205 return 1; /* skip this altsetting */ 1206 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 1207 return 1; /* skip this altsetting */ 1208 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 1209 return 1; /* skip this altsetting */ 1210 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 1211 return 1; /* skip this altsetting */ 1212 } 1213 1214 return 0; /* keep this altsetting */ 1215 } 1216 1217 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 1218 int iface, int altno) 1219 { 1220 /* Reset ALL ifaces to 0 altsetting. 1221 * Call it for every possible altsetting of every interface. 1222 */ 1223 usb_set_interface(chip->dev, iface, 0); 1224 1225 /* possible configuration where both inputs and only one output is 1226 *used is not supported by the current setup 1227 */ 1228 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 1229 if (chip->setup & MAUDIO_SET_96K) { 1230 if (altno != 3 && altno != 6) 1231 return 1; 1232 } else if (chip->setup & MAUDIO_SET_DI) { 1233 if (iface == 4) 1234 return 1; /* no analog input */ 1235 if (altno != 2 && altno != 5) 1236 return 1; /* enable only altsets 2 and 5 */ 1237 } else { 1238 if (iface == 5) 1239 return 1; /* disable digialt input */ 1240 if (altno != 2 && altno != 5) 1241 return 1; /* enalbe only altsets 2 and 5 */ 1242 } 1243 } else { 1244 /* keep only 16-Bit mode */ 1245 if (altno != 1) 1246 return 1; 1247 } 1248 1249 usb_audio_dbg(chip, 1250 "using altsetting %d for interface %d config %d\n", 1251 altno, iface, chip->setup); 1252 return 0; /* keep this altsetting */ 1253 } 1254 1255 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 1256 int iface, 1257 int altno) 1258 { 1259 /* audiophile usb: skip altsets incompatible with device_setup */ 1260 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 1261 return audiophile_skip_setting_quirk(chip, iface, altno); 1262 /* quattro usb: skip altsets incompatible with device_setup */ 1263 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 1264 return quattro_skip_setting_quirk(chip, iface, altno); 1265 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 1266 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 1267 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 1268 1269 return 0; 1270 } 1271 1272 int snd_usb_apply_boot_quirk(struct usb_device *dev, 1273 struct usb_interface *intf, 1274 const struct snd_usb_audio_quirk *quirk, 1275 unsigned int id) 1276 { 1277 switch (id) { 1278 case USB_ID(0x041e, 0x3000): 1279 /* SB Extigy needs special boot-up sequence */ 1280 /* if more models come, this will go to the quirk list. */ 1281 return snd_usb_extigy_boot_quirk(dev, intf); 1282 1283 case USB_ID(0x041e, 0x3020): 1284 /* SB Audigy 2 NX needs its own boot-up magic, too */ 1285 return snd_usb_audigy2nx_boot_quirk(dev); 1286 1287 case USB_ID(0x10f5, 0x0200): 1288 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 1289 return snd_usb_cm106_boot_quirk(dev); 1290 1291 case USB_ID(0x0d8c, 0x0102): 1292 /* C-Media CM6206 / CM106-Like Sound Device */ 1293 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1294 return snd_usb_cm6206_boot_quirk(dev); 1295 1296 case USB_ID(0x0dba, 0x3000): 1297 /* Digidesign Mbox 2 */ 1298 return snd_usb_mbox2_boot_quirk(dev); 1299 1300 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1301 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1302 return snd_usb_novation_boot_quirk(dev); 1303 1304 case USB_ID(0x133e, 0x0815): 1305 /* Access Music VirusTI Desktop */ 1306 return snd_usb_accessmusic_boot_quirk(dev); 1307 1308 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1309 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1310 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1311 return snd_usb_nativeinstruments_boot_quirk(dev); 1312 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1313 return snd_usb_fasttrackpro_boot_quirk(dev); 1314 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1315 return snd_usb_gamecon780_boot_quirk(dev); 1316 case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */ 1317 return snd_usb_axefx3_boot_quirk(dev); 1318 case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */ 1319 return snd_usb_motu_microbookii_boot_quirk(dev); 1320 } 1321 1322 return 0; 1323 } 1324 1325 int snd_usb_apply_boot_quirk_once(struct usb_device *dev, 1326 struct usb_interface *intf, 1327 const struct snd_usb_audio_quirk *quirk, 1328 unsigned int id) 1329 { 1330 switch (id) { 1331 case USB_ID(0x07fd, 0x0008): /* MOTU M Series */ 1332 return snd_usb_motu_m_series_boot_quirk(dev); 1333 } 1334 1335 return 0; 1336 } 1337 1338 /* 1339 * check if the device uses big-endian samples 1340 */ 1341 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1342 { 1343 /* it depends on altsetting whether the device is big-endian or not */ 1344 switch (chip->usb_id) { 1345 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1346 if (fp->altsetting == 2 || fp->altsetting == 3 || 1347 fp->altsetting == 5 || fp->altsetting == 6) 1348 return 1; 1349 break; 1350 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1351 if (chip->setup == 0x00 || 1352 fp->altsetting == 1 || fp->altsetting == 2 || 1353 fp->altsetting == 3) 1354 return 1; 1355 break; 1356 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1357 if (fp->altsetting == 2 || fp->altsetting == 3 || 1358 fp->altsetting == 5 || fp->altsetting == 6) 1359 return 1; 1360 break; 1361 } 1362 return 0; 1363 } 1364 1365 /* 1366 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1367 * not for interface. 1368 */ 1369 1370 enum { 1371 EMU_QUIRK_SR_44100HZ = 0, 1372 EMU_QUIRK_SR_48000HZ, 1373 EMU_QUIRK_SR_88200HZ, 1374 EMU_QUIRK_SR_96000HZ, 1375 EMU_QUIRK_SR_176400HZ, 1376 EMU_QUIRK_SR_192000HZ 1377 }; 1378 1379 static void set_format_emu_quirk(struct snd_usb_substream *subs, 1380 struct audioformat *fmt) 1381 { 1382 unsigned char emu_samplerate_id = 0; 1383 1384 /* When capture is active 1385 * sample rate shouldn't be changed 1386 * by playback substream 1387 */ 1388 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1389 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1390 return; 1391 } 1392 1393 switch (fmt->rate_min) { 1394 case 48000: 1395 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1396 break; 1397 case 88200: 1398 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1399 break; 1400 case 96000: 1401 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1402 break; 1403 case 176400: 1404 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1405 break; 1406 case 192000: 1407 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1408 break; 1409 default: 1410 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1411 break; 1412 } 1413 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1414 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1415 } 1416 1417 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1418 struct audioformat *fmt) 1419 { 1420 switch (subs->stream->chip->usb_id) { 1421 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1422 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1423 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1424 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1425 set_format_emu_quirk(subs, fmt); 1426 break; 1427 } 1428 } 1429 1430 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1431 { 1432 /* devices which do not support reading the sample rate. */ 1433 switch (chip->usb_id) { 1434 case USB_ID(0x041e, 0x4080): /* Creative Live Cam VF0610 */ 1435 case USB_ID(0x04d8, 0xfeea): /* Benchmark DAC1 Pre */ 1436 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */ 1437 case USB_ID(0x05a3, 0x9420): /* ELP HD USB Camera */ 1438 case USB_ID(0x05a7, 0x1020): /* Bose Companion 5 */ 1439 case USB_ID(0x074d, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1440 case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */ 1441 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */ 1442 case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */ 1443 return true; 1444 } 1445 1446 /* devices of these vendors don't support reading rate, either */ 1447 switch (USB_ID_VENDOR(chip->usb_id)) { 1448 case 0x045e: /* MS Lifecam */ 1449 case 0x047f: /* Plantronics */ 1450 case 0x1de7: /* Phoenix Audio */ 1451 return true; 1452 } 1453 1454 return false; 1455 } 1456 1457 /* ITF-USB DSD based DACs need a vendor cmd to switch 1458 * between PCM and native DSD mode 1459 */ 1460 static bool is_itf_usb_dsd_dac(unsigned int id) 1461 { 1462 switch (id) { 1463 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1464 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1465 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1466 case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */ 1467 case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */ 1468 case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */ 1469 case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */ 1470 return true; 1471 } 1472 return false; 1473 } 1474 1475 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1476 struct audioformat *fmt) 1477 { 1478 struct usb_device *dev = subs->dev; 1479 int err; 1480 1481 if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) { 1482 /* First switch to alt set 0, otherwise the mode switch cmd 1483 * will not be accepted by the DAC 1484 */ 1485 err = usb_set_interface(dev, fmt->iface, 0); 1486 if (err < 0) 1487 return err; 1488 1489 msleep(20); /* Delay needed after setting the interface */ 1490 1491 /* Vendor mode switch cmd is required. */ 1492 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) { 1493 /* DSD mode (DSD_U32) requested */ 1494 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1495 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1496 1, 1, NULL, 0); 1497 if (err < 0) 1498 return err; 1499 1500 } else { 1501 /* PCM or DOP mode (S32) requested */ 1502 /* PCM mode (S16) requested */ 1503 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1504 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1505 0, 1, NULL, 0); 1506 if (err < 0) 1507 return err; 1508 1509 } 1510 msleep(20); 1511 } 1512 return 0; 1513 } 1514 1515 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1516 { 1517 /* 1518 * "Playback Design" products send bogus feedback data at the start 1519 * of the stream. Ignore them. 1520 */ 1521 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && 1522 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1523 ep->skip_packets = 4; 1524 1525 /* 1526 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1527 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1528 * the stream is (re)started. When skipping packets 16 at endpoint 1529 * start up, the real world latency is stable within +/- 1 frame (also 1530 * across power cycles). 1531 */ 1532 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1533 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1534 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1535 ep->skip_packets = 16; 1536 1537 /* Work around devices that report unreasonable feedback data */ 1538 if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-H01 */ 1539 ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */ 1540 ep->syncmaxsize == 4) 1541 ep->tenor_fb_quirk = 1; 1542 } 1543 1544 void snd_usb_set_interface_quirk(struct usb_device *dev) 1545 { 1546 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1547 1548 if (!chip) 1549 return; 1550 /* 1551 * "Playback Design" products need a 50ms delay after setting the 1552 * USB interface. 1553 */ 1554 switch (USB_ID_VENDOR(chip->usb_id)) { 1555 case 0x23ba: /* Playback Design */ 1556 case 0x0644: /* TEAC Corp. */ 1557 msleep(50); 1558 break; 1559 } 1560 } 1561 1562 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ 1563 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1564 __u8 request, __u8 requesttype, __u16 value, 1565 __u16 index, void *data, __u16 size) 1566 { 1567 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1568 1569 if (!chip) 1570 return; 1571 /* 1572 * "Playback Design" products need a 20ms delay after each 1573 * class compliant request 1574 */ 1575 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1576 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1577 msleep(20); 1578 1579 /* 1580 * "TEAC Corp." products need a 20ms delay after each 1581 * class compliant request 1582 */ 1583 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 && 1584 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1585 msleep(20); 1586 1587 /* ITF-USB DSD based DACs functionality need a delay 1588 * after each class compliant request 1589 */ 1590 if (is_itf_usb_dsd_dac(chip->usb_id) 1591 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1592 msleep(20); 1593 1594 /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here, 1595 * otherwise requests like get/set frequency return as failed despite 1596 * actually succeeding. 1597 */ 1598 if ((chip->usb_id == USB_ID(0x1686, 0x00dd) || 1599 chip->usb_id == USB_ID(0x046d, 0x0a46) || 1600 chip->usb_id == USB_ID(0x0b0e, 0x0349)) && 1601 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1602 usleep_range(1000, 2000); 1603 } 1604 1605 /* 1606 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1607 * augment the PCM format bit-field for DSD types. The UAC standards 1608 * don't have a designated bit field to denote DSD-capable interfaces, 1609 * hence all hardware that is known to support this format has to be 1610 * listed here. 1611 */ 1612 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1613 struct audioformat *fp, 1614 unsigned int sample_bytes) 1615 { 1616 struct usb_interface *iface; 1617 1618 /* Playback Designs */ 1619 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1620 USB_ID_PRODUCT(chip->usb_id) < 0x0110) { 1621 switch (fp->altsetting) { 1622 case 1: 1623 fp->dsd_dop = true; 1624 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1625 case 2: 1626 fp->dsd_bitrev = true; 1627 return SNDRV_PCM_FMTBIT_DSD_U8; 1628 case 3: 1629 fp->dsd_bitrev = true; 1630 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1631 } 1632 } 1633 1634 /* XMOS based USB DACs */ 1635 switch (chip->usb_id) { 1636 case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */ 1637 case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */ 1638 case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */ 1639 if (fp->altsetting == 2) 1640 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1641 break; 1642 1643 case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */ 1644 case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */ 1645 case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */ 1646 case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */ 1647 case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */ 1648 case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */ 1649 case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */ 1650 case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */ 1651 case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */ 1652 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1653 case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */ 1654 case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */ 1655 case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */ 1656 case USB_ID(0x6b42, 0x0042): /* MSB Technology */ 1657 if (fp->altsetting == 3) 1658 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1659 break; 1660 1661 /* Amanero Combo384 USB based DACs with native DSD support */ 1662 case USB_ID(0x16d0, 0x071a): /* Amanero - Combo384 */ 1663 case USB_ID(0x2ab6, 0x0004): /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */ 1664 case USB_ID(0x2ab6, 0x0005): /* T+A USB HD Audio 1 */ 1665 case USB_ID(0x2ab6, 0x0006): /* T+A USB HD Audio 2 */ 1666 if (fp->altsetting == 2) { 1667 switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) { 1668 case 0x199: 1669 return SNDRV_PCM_FMTBIT_DSD_U32_LE; 1670 case 0x19b: 1671 case 0x203: 1672 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1673 default: 1674 break; 1675 } 1676 } 1677 break; 1678 case USB_ID(0x16d0, 0x0a23): 1679 if (fp->altsetting == 2) 1680 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1681 break; 1682 1683 default: 1684 break; 1685 } 1686 1687 /* ITF-USB DSD based DACs */ 1688 if (is_itf_usb_dsd_dac(chip->usb_id)) { 1689 iface = usb_ifnum_to_if(chip->dev, fp->iface); 1690 1691 /* Altsetting 2 support native DSD if the num of altsets is 1692 * three (0-2), 1693 * Altsetting 3 support native DSD if the num of altsets is 1694 * four (0-3). 1695 */ 1696 if (fp->altsetting == iface->num_altsetting - 1) 1697 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1698 } 1699 1700 /* Mostly generic method to detect many DSD-capable implementations - 1701 * from XMOS/Thesycon 1702 */ 1703 switch (USB_ID_VENDOR(chip->usb_id)) { 1704 case 0x152a: /* Thesycon devices */ 1705 case 0x20b1: /* XMOS based devices */ 1706 case 0x22d9: /* Oppo */ 1707 case 0x23ba: /* Playback Designs */ 1708 case 0x25ce: /* Mytek devices */ 1709 case 0x278b: /* Rotel? */ 1710 case 0x292b: /* Gustard/Ess based devices */ 1711 case 0x2ab6: /* T+A devices */ 1712 case 0x3842: /* EVGA */ 1713 case 0xc502: /* HiBy devices */ 1714 if (fp->dsd_raw) 1715 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1716 break; 1717 default: 1718 break; 1719 1720 } 1721 1722 return 0; 1723 } 1724 1725 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip, 1726 struct audioformat *fp, 1727 int stream) 1728 { 1729 switch (chip->usb_id) { 1730 case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */ 1731 /* Optoplay sets the sample rate attribute although 1732 * it seems not supporting it in fact. 1733 */ 1734 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE; 1735 break; 1736 case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */ 1737 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1738 /* doesn't set the sample rate attribute, but supports it */ 1739 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE; 1740 break; 1741 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */ 1742 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1743 case USB_ID(0x047f, 0x0ca1): /* plantronics headset */ 1744 case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is 1745 an older model 77d:223) */ 1746 /* 1747 * plantronics headset and Griffin iMic have set adaptive-in 1748 * although it's really not... 1749 */ 1750 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE; 1751 if (stream == SNDRV_PCM_STREAM_PLAYBACK) 1752 fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE; 1753 else 1754 fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC; 1755 break; 1756 } 1757 } 1758