1 /* 2 * This program is free software; you can redistribute it and/or modify 3 * it under the terms of the GNU General Public License as published by 4 * the Free Software Foundation; either version 2 of the License, or 5 * (at your option) any later version. 6 * 7 * This program is distributed in the hope that it will be useful, 8 * but WITHOUT ANY WARRANTY; without even the implied warranty of 9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 10 * GNU General Public License for more details. 11 * 12 * You should have received a copy of the GNU General Public License 13 * along with this program; if not, write to the Free Software 14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 15 */ 16 17 #include <linux/init.h> 18 #include <linux/slab.h> 19 #include <linux/usb.h> 20 #include <linux/usb/audio.h> 21 #include <linux/usb/midi.h> 22 23 #include <sound/control.h> 24 #include <sound/core.h> 25 #include <sound/info.h> 26 #include <sound/pcm.h> 27 28 #include "usbaudio.h" 29 #include "card.h" 30 #include "mixer.h" 31 #include "mixer_quirks.h" 32 #include "midi.h" 33 #include "quirks.h" 34 #include "helper.h" 35 #include "endpoint.h" 36 #include "pcm.h" 37 #include "clock.h" 38 #include "stream.h" 39 40 /* 41 * handle the quirks for the contained interfaces 42 */ 43 static int create_composite_quirk(struct snd_usb_audio *chip, 44 struct usb_interface *iface, 45 struct usb_driver *driver, 46 const struct snd_usb_audio_quirk *quirk_comp) 47 { 48 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 49 const struct snd_usb_audio_quirk *quirk; 50 int err; 51 52 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 53 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 54 if (!iface) 55 continue; 56 if (quirk->ifnum != probed_ifnum && 57 usb_interface_claimed(iface)) 58 continue; 59 err = snd_usb_create_quirk(chip, iface, driver, quirk); 60 if (err < 0) 61 return err; 62 } 63 64 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 65 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 66 if (!iface) 67 continue; 68 if (quirk->ifnum != probed_ifnum && 69 !usb_interface_claimed(iface)) 70 usb_driver_claim_interface(driver, iface, (void *)-1L); 71 } 72 73 return 0; 74 } 75 76 static int ignore_interface_quirk(struct snd_usb_audio *chip, 77 struct usb_interface *iface, 78 struct usb_driver *driver, 79 const struct snd_usb_audio_quirk *quirk) 80 { 81 return 0; 82 } 83 84 85 /* 86 * Allow alignment on audio sub-slot (channel samples) rather than 87 * on audio slots (audio frames) 88 */ 89 static int create_align_transfer_quirk(struct snd_usb_audio *chip, 90 struct usb_interface *iface, 91 struct usb_driver *driver, 92 const struct snd_usb_audio_quirk *quirk) 93 { 94 chip->txfr_quirk = 1; 95 return 1; /* Continue with creating streams and mixer */ 96 } 97 98 static int create_any_midi_quirk(struct snd_usb_audio *chip, 99 struct usb_interface *intf, 100 struct usb_driver *driver, 101 const struct snd_usb_audio_quirk *quirk) 102 { 103 return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); 104 } 105 106 /* 107 * create a stream for an interface with proper descriptors 108 */ 109 static int create_standard_audio_quirk(struct snd_usb_audio *chip, 110 struct usb_interface *iface, 111 struct usb_driver *driver, 112 const struct snd_usb_audio_quirk *quirk) 113 { 114 struct usb_host_interface *alts; 115 struct usb_interface_descriptor *altsd; 116 int err; 117 118 if (chip->usb_id == USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */ 119 chip->tx_length_quirk = 1; 120 121 alts = &iface->altsetting[0]; 122 altsd = get_iface_desc(alts); 123 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); 124 if (err < 0) { 125 usb_audio_err(chip, "cannot setup if %d: error %d\n", 126 altsd->bInterfaceNumber, err); 127 return err; 128 } 129 /* reset the current interface */ 130 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); 131 return 0; 132 } 133 134 /* 135 * create a stream for an endpoint/altsetting without proper descriptors 136 */ 137 static int create_fixed_stream_quirk(struct snd_usb_audio *chip, 138 struct usb_interface *iface, 139 struct usb_driver *driver, 140 const struct snd_usb_audio_quirk *quirk) 141 { 142 struct audioformat *fp; 143 struct usb_host_interface *alts; 144 struct usb_interface_descriptor *altsd; 145 int stream, err; 146 unsigned *rate_table = NULL; 147 148 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); 149 if (!fp) { 150 usb_audio_err(chip, "cannot memdup\n"); 151 return -ENOMEM; 152 } 153 if (fp->nr_rates > MAX_NR_RATES) { 154 kfree(fp); 155 return -EINVAL; 156 } 157 if (fp->nr_rates > 0) { 158 rate_table = kmemdup(fp->rate_table, 159 sizeof(int) * fp->nr_rates, GFP_KERNEL); 160 if (!rate_table) { 161 kfree(fp); 162 return -ENOMEM; 163 } 164 fp->rate_table = rate_table; 165 } 166 167 stream = (fp->endpoint & USB_DIR_IN) 168 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 169 err = snd_usb_add_audio_stream(chip, stream, fp); 170 if (err < 0) 171 goto error; 172 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || 173 fp->altset_idx >= iface->num_altsetting) { 174 err = -EINVAL; 175 goto error; 176 } 177 alts = &iface->altsetting[fp->altset_idx]; 178 altsd = get_iface_desc(alts); 179 if (altsd->bNumEndpoints < 1) { 180 err = -EINVAL; 181 goto error; 182 } 183 184 fp->protocol = altsd->bInterfaceProtocol; 185 186 if (fp->datainterval == 0) 187 fp->datainterval = snd_usb_parse_datainterval(chip, alts); 188 if (fp->maxpacksize == 0) 189 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 190 usb_set_interface(chip->dev, fp->iface, 0); 191 snd_usb_init_pitch(chip, fp->iface, alts, fp); 192 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); 193 return 0; 194 195 error: 196 kfree(fp); 197 kfree(rate_table); 198 return err; 199 } 200 201 static int create_auto_pcm_quirk(struct snd_usb_audio *chip, 202 struct usb_interface *iface, 203 struct usb_driver *driver) 204 { 205 struct usb_host_interface *alts; 206 struct usb_interface_descriptor *altsd; 207 struct usb_endpoint_descriptor *epd; 208 struct uac1_as_header_descriptor *ashd; 209 struct uac_format_type_i_discrete_descriptor *fmtd; 210 211 /* 212 * Most Roland/Yamaha audio streaming interfaces have more or less 213 * standard descriptors, but older devices might lack descriptors, and 214 * future ones might change, so ensure that we fail silently if the 215 * interface doesn't look exactly right. 216 */ 217 218 /* must have a non-zero altsetting for streaming */ 219 if (iface->num_altsetting < 2) 220 return -ENODEV; 221 alts = &iface->altsetting[1]; 222 altsd = get_iface_desc(alts); 223 224 /* must have an isochronous endpoint for streaming */ 225 if (altsd->bNumEndpoints < 1) 226 return -ENODEV; 227 epd = get_endpoint(alts, 0); 228 if (!usb_endpoint_xfer_isoc(epd)) 229 return -ENODEV; 230 231 /* must have format descriptors */ 232 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 233 UAC_AS_GENERAL); 234 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 235 UAC_FORMAT_TYPE); 236 if (!ashd || ashd->bLength < 7 || 237 !fmtd || fmtd->bLength < 8) 238 return -ENODEV; 239 240 return create_standard_audio_quirk(chip, iface, driver, NULL); 241 } 242 243 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, 244 struct usb_interface *iface, 245 struct usb_driver *driver, 246 struct usb_host_interface *alts) 247 { 248 static const struct snd_usb_audio_quirk yamaha_midi_quirk = { 249 .type = QUIRK_MIDI_YAMAHA 250 }; 251 struct usb_midi_in_jack_descriptor *injd; 252 struct usb_midi_out_jack_descriptor *outjd; 253 254 /* must have some valid jack descriptors */ 255 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 256 NULL, USB_MS_MIDI_IN_JACK); 257 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 258 NULL, USB_MS_MIDI_OUT_JACK); 259 if (!injd && !outjd) 260 return -ENODEV; 261 if (injd && (injd->bLength < 5 || 262 (injd->bJackType != USB_MS_EMBEDDED && 263 injd->bJackType != USB_MS_EXTERNAL))) 264 return -ENODEV; 265 if (outjd && (outjd->bLength < 6 || 266 (outjd->bJackType != USB_MS_EMBEDDED && 267 outjd->bJackType != USB_MS_EXTERNAL))) 268 return -ENODEV; 269 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); 270 } 271 272 static int create_roland_midi_quirk(struct snd_usb_audio *chip, 273 struct usb_interface *iface, 274 struct usb_driver *driver, 275 struct usb_host_interface *alts) 276 { 277 static const struct snd_usb_audio_quirk roland_midi_quirk = { 278 .type = QUIRK_MIDI_ROLAND 279 }; 280 u8 *roland_desc = NULL; 281 282 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ 283 for (;;) { 284 roland_desc = snd_usb_find_csint_desc(alts->extra, 285 alts->extralen, 286 roland_desc, 0xf1); 287 if (!roland_desc) 288 return -ENODEV; 289 if (roland_desc[0] < 6 || roland_desc[3] != 2) 290 continue; 291 return create_any_midi_quirk(chip, iface, driver, 292 &roland_midi_quirk); 293 } 294 } 295 296 static int create_std_midi_quirk(struct snd_usb_audio *chip, 297 struct usb_interface *iface, 298 struct usb_driver *driver, 299 struct usb_host_interface *alts) 300 { 301 struct usb_ms_header_descriptor *mshd; 302 struct usb_ms_endpoint_descriptor *msepd; 303 304 /* must have the MIDIStreaming interface header descriptor*/ 305 mshd = (struct usb_ms_header_descriptor *)alts->extra; 306 if (alts->extralen < 7 || 307 mshd->bLength < 7 || 308 mshd->bDescriptorType != USB_DT_CS_INTERFACE || 309 mshd->bDescriptorSubtype != USB_MS_HEADER) 310 return -ENODEV; 311 /* must have the MIDIStreaming endpoint descriptor*/ 312 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; 313 if (alts->endpoint[0].extralen < 4 || 314 msepd->bLength < 4 || 315 msepd->bDescriptorType != USB_DT_CS_ENDPOINT || 316 msepd->bDescriptorSubtype != UAC_MS_GENERAL || 317 msepd->bNumEmbMIDIJack < 1 || 318 msepd->bNumEmbMIDIJack > 16) 319 return -ENODEV; 320 321 return create_any_midi_quirk(chip, iface, driver, NULL); 322 } 323 324 static int create_auto_midi_quirk(struct snd_usb_audio *chip, 325 struct usb_interface *iface, 326 struct usb_driver *driver) 327 { 328 struct usb_host_interface *alts; 329 struct usb_interface_descriptor *altsd; 330 struct usb_endpoint_descriptor *epd; 331 int err; 332 333 alts = &iface->altsetting[0]; 334 altsd = get_iface_desc(alts); 335 336 /* must have at least one bulk/interrupt endpoint for streaming */ 337 if (altsd->bNumEndpoints < 1) 338 return -ENODEV; 339 epd = get_endpoint(alts, 0); 340 if (!usb_endpoint_xfer_bulk(epd) && 341 !usb_endpoint_xfer_int(epd)) 342 return -ENODEV; 343 344 switch (USB_ID_VENDOR(chip->usb_id)) { 345 case 0x0499: /* Yamaha */ 346 err = create_yamaha_midi_quirk(chip, iface, driver, alts); 347 if (err != -ENODEV) 348 return err; 349 break; 350 case 0x0582: /* Roland */ 351 err = create_roland_midi_quirk(chip, iface, driver, alts); 352 if (err != -ENODEV) 353 return err; 354 break; 355 } 356 357 return create_std_midi_quirk(chip, iface, driver, alts); 358 } 359 360 static int create_autodetect_quirk(struct snd_usb_audio *chip, 361 struct usb_interface *iface, 362 struct usb_driver *driver) 363 { 364 int err; 365 366 err = create_auto_pcm_quirk(chip, iface, driver); 367 if (err == -ENODEV) 368 err = create_auto_midi_quirk(chip, iface, driver); 369 return err; 370 } 371 372 static int create_autodetect_quirks(struct snd_usb_audio *chip, 373 struct usb_interface *iface, 374 struct usb_driver *driver, 375 const struct snd_usb_audio_quirk *quirk) 376 { 377 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 378 int ifcount, ifnum, err; 379 380 err = create_autodetect_quirk(chip, iface, driver); 381 if (err < 0) 382 return err; 383 384 /* 385 * ALSA PCM playback/capture devices cannot be registered in two steps, 386 * so we have to claim the other corresponding interface here. 387 */ 388 ifcount = chip->dev->actconfig->desc.bNumInterfaces; 389 for (ifnum = 0; ifnum < ifcount; ifnum++) { 390 if (ifnum == probed_ifnum || quirk->ifnum >= 0) 391 continue; 392 iface = usb_ifnum_to_if(chip->dev, ifnum); 393 if (!iface || 394 usb_interface_claimed(iface) || 395 get_iface_desc(iface->altsetting)->bInterfaceClass != 396 USB_CLASS_VENDOR_SPEC) 397 continue; 398 399 err = create_autodetect_quirk(chip, iface, driver); 400 if (err >= 0) 401 usb_driver_claim_interface(driver, iface, (void *)-1L); 402 } 403 404 return 0; 405 } 406 407 /* 408 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 409 * The only way to detect the sample rate is by looking at wMaxPacketSize. 410 */ 411 static int create_uaxx_quirk(struct snd_usb_audio *chip, 412 struct usb_interface *iface, 413 struct usb_driver *driver, 414 const struct snd_usb_audio_quirk *quirk) 415 { 416 static const struct audioformat ua_format = { 417 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 418 .channels = 2, 419 .fmt_type = UAC_FORMAT_TYPE_I, 420 .altsetting = 1, 421 .altset_idx = 1, 422 .rates = SNDRV_PCM_RATE_CONTINUOUS, 423 }; 424 struct usb_host_interface *alts; 425 struct usb_interface_descriptor *altsd; 426 struct audioformat *fp; 427 int stream, err; 428 429 /* both PCM and MIDI interfaces have 2 or more altsettings */ 430 if (iface->num_altsetting < 2) 431 return -ENXIO; 432 alts = &iface->altsetting[1]; 433 altsd = get_iface_desc(alts); 434 435 if (altsd->bNumEndpoints == 2) { 436 static const struct snd_usb_midi_endpoint_info ua700_ep = { 437 .out_cables = 0x0003, 438 .in_cables = 0x0003 439 }; 440 static const struct snd_usb_audio_quirk ua700_quirk = { 441 .type = QUIRK_MIDI_FIXED_ENDPOINT, 442 .data = &ua700_ep 443 }; 444 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 445 .out_cables = 0x0001, 446 .in_cables = 0x0001 447 }; 448 static const struct snd_usb_audio_quirk uaxx_quirk = { 449 .type = QUIRK_MIDI_FIXED_ENDPOINT, 450 .data = &uaxx_ep 451 }; 452 const struct snd_usb_audio_quirk *quirk = 453 chip->usb_id == USB_ID(0x0582, 0x002b) 454 ? &ua700_quirk : &uaxx_quirk; 455 return __snd_usbmidi_create(chip->card, iface, 456 &chip->midi_list, quirk, 457 chip->usb_id); 458 } 459 460 if (altsd->bNumEndpoints != 1) 461 return -ENXIO; 462 463 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 464 if (!fp) 465 return -ENOMEM; 466 467 fp->iface = altsd->bInterfaceNumber; 468 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 469 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 470 fp->datainterval = 0; 471 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 472 473 switch (fp->maxpacksize) { 474 case 0x120: 475 fp->rate_max = fp->rate_min = 44100; 476 break; 477 case 0x138: 478 case 0x140: 479 fp->rate_max = fp->rate_min = 48000; 480 break; 481 case 0x258: 482 case 0x260: 483 fp->rate_max = fp->rate_min = 96000; 484 break; 485 default: 486 usb_audio_err(chip, "unknown sample rate\n"); 487 kfree(fp); 488 return -ENXIO; 489 } 490 491 stream = (fp->endpoint & USB_DIR_IN) 492 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 493 err = snd_usb_add_audio_stream(chip, stream, fp); 494 if (err < 0) { 495 kfree(fp); 496 return err; 497 } 498 usb_set_interface(chip->dev, fp->iface, 0); 499 return 0; 500 } 501 502 /* 503 * Create a standard mixer for the specified interface. 504 */ 505 static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 506 struct usb_interface *iface, 507 struct usb_driver *driver, 508 const struct snd_usb_audio_quirk *quirk) 509 { 510 if (quirk->ifnum < 0) 511 return 0; 512 513 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 514 } 515 516 /* 517 * audio-interface quirks 518 * 519 * returns zero if no standard audio/MIDI parsing is needed. 520 * returns a positive value if standard audio/midi interfaces are parsed 521 * after this. 522 * returns a negative value at error. 523 */ 524 int snd_usb_create_quirk(struct snd_usb_audio *chip, 525 struct usb_interface *iface, 526 struct usb_driver *driver, 527 const struct snd_usb_audio_quirk *quirk) 528 { 529 typedef int (*quirk_func_t)(struct snd_usb_audio *, 530 struct usb_interface *, 531 struct usb_driver *, 532 const struct snd_usb_audio_quirk *); 533 static const quirk_func_t quirk_funcs[] = { 534 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 535 [QUIRK_COMPOSITE] = create_composite_quirk, 536 [QUIRK_AUTODETECT] = create_autodetect_quirks, 537 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 538 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 539 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 540 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, 541 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 542 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 543 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 544 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 545 [QUIRK_MIDI_CME] = create_any_midi_quirk, 546 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 547 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 548 [QUIRK_MIDI_CH345] = create_any_midi_quirk, 549 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 550 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 551 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 552 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 553 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 554 }; 555 556 if (quirk->type < QUIRK_TYPE_COUNT) { 557 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 558 } else { 559 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); 560 return -ENXIO; 561 } 562 } 563 564 /* 565 * boot quirks 566 */ 567 568 #define EXTIGY_FIRMWARE_SIZE_OLD 794 569 #define EXTIGY_FIRMWARE_SIZE_NEW 483 570 571 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 572 { 573 struct usb_host_config *config = dev->actconfig; 574 int err; 575 576 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 577 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 578 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); 579 /* Send message to force it to reconnect with full interface. */ 580 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 581 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 582 if (err < 0) 583 dev_dbg(&dev->dev, "error sending boot message: %d\n", err); 584 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 585 &dev->descriptor, sizeof(dev->descriptor)); 586 config = dev->actconfig; 587 if (err < 0) 588 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 589 err = usb_reset_configuration(dev); 590 if (err < 0) 591 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 592 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", 593 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 594 return -ENODEV; /* quit this anyway */ 595 } 596 return 0; 597 } 598 599 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 600 { 601 u8 buf = 1; 602 603 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 604 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 605 0, 0, &buf, 1); 606 if (buf == 0) { 607 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 608 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 609 1, 2000, NULL, 0); 610 return -ENODEV; 611 } 612 return 0; 613 } 614 615 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 616 { 617 int err; 618 619 if (dev->actconfig->desc.bConfigurationValue == 1) { 620 dev_info(&dev->dev, 621 "Fast Track Pro switching to config #2\n"); 622 /* This function has to be available by the usb core module. 623 * if it is not avialable the boot quirk has to be left out 624 * and the configuration has to be set by udev or hotplug 625 * rules 626 */ 627 err = usb_driver_set_configuration(dev, 2); 628 if (err < 0) 629 dev_dbg(&dev->dev, 630 "error usb_driver_set_configuration: %d\n", 631 err); 632 /* Always return an error, so that we stop creating a device 633 that will just be destroyed and recreated with a new 634 configuration */ 635 return -ENODEV; 636 } else 637 dev_info(&dev->dev, "Fast Track Pro config OK\n"); 638 639 return 0; 640 } 641 642 /* 643 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 644 * documented in the device's data sheet. 645 */ 646 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 647 { 648 u8 buf[4]; 649 buf[0] = 0x20; 650 buf[1] = value & 0xff; 651 buf[2] = (value >> 8) & 0xff; 652 buf[3] = reg; 653 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 654 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 655 0, 0, &buf, 4); 656 } 657 658 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 659 { 660 /* 661 * Enable line-out driver mode, set headphone source to front 662 * channels, enable stereo mic. 663 */ 664 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 665 } 666 667 /* 668 * C-Media CM6206 is based on CM106 with two additional 669 * registers that are not documented in the data sheet. 670 * Values here are chosen based on sniffing USB traffic 671 * under Windows. 672 */ 673 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 674 { 675 int err = 0, reg; 676 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; 677 678 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 679 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 680 if (err < 0) 681 return err; 682 } 683 684 return err; 685 } 686 687 /* quirk for Plantronics GameCom 780 with CM6302 chip */ 688 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) 689 { 690 /* set the initial volume and don't change; other values are either 691 * too loud or silent due to firmware bug (bko#65251) 692 */ 693 u8 buf[2] = { 0x74, 0xe3 }; 694 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 695 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 696 UAC_FU_VOLUME << 8, 9 << 8, buf, 2); 697 } 698 699 /* 700 * Novation Twitch DJ controller 701 * Focusrite Novation Saffire 6 USB audio card 702 */ 703 static int snd_usb_novation_boot_quirk(struct usb_device *dev) 704 { 705 /* preemptively set up the device because otherwise the 706 * raw MIDI endpoints are not active */ 707 usb_set_interface(dev, 0, 1); 708 return 0; 709 } 710 711 /* 712 * This call will put the synth in "USB send" mode, i.e it will send MIDI 713 * messages through USB (this is disabled at startup). The synth will 714 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 715 * sign on its LCD. Values here are chosen based on sniffing USB traffic 716 * under Windows. 717 */ 718 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 719 { 720 int err, actual_length; 721 722 /* "midi send" enable */ 723 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 724 725 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 726 if (!buf) 727 return -ENOMEM; 728 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 729 ARRAY_SIZE(seq), &actual_length, 1000); 730 kfree(buf); 731 if (err < 0) 732 return err; 733 734 return 0; 735 } 736 737 /* 738 * Some sound cards from Native Instruments are in fact compliant to the USB 739 * audio standard of version 2 and other approved USB standards, even though 740 * they come up as vendor-specific device when first connected. 741 * 742 * However, they can be told to come up with a new set of descriptors 743 * upon their next enumeration, and the interfaces announced by the new 744 * descriptors will then be handled by the kernel's class drivers. As the 745 * product ID will also change, no further checks are required. 746 */ 747 748 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 749 { 750 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 751 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 752 1, 0, NULL, 0, 1000); 753 754 if (ret < 0) 755 return ret; 756 757 usb_reset_device(dev); 758 759 /* return -EAGAIN, so the creation of an audio interface for this 760 * temporary device is aborted. The device will reconnect with a 761 * new product ID */ 762 return -EAGAIN; 763 } 764 765 static void mbox2_setup_48_24_magic(struct usb_device *dev) 766 { 767 u8 srate[3]; 768 u8 temp[12]; 769 770 /* Choose 48000Hz permanently */ 771 srate[0] = 0x80; 772 srate[1] = 0xbb; 773 srate[2] = 0x00; 774 775 /* Send the magic! */ 776 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 777 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); 778 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 779 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); 780 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 781 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); 782 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 783 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); 784 return; 785 } 786 787 /* Digidesign Mbox 2 needs to load firmware onboard 788 * and driver must wait a few seconds for initialisation. 789 */ 790 791 #define MBOX2_FIRMWARE_SIZE 646 792 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ 793 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ 794 795 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) 796 { 797 struct usb_host_config *config = dev->actconfig; 798 int err; 799 u8 bootresponse[0x12]; 800 int fwsize; 801 int count; 802 803 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); 804 805 if (fwsize != MBOX2_FIRMWARE_SIZE) { 806 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); 807 return -ENODEV; 808 } 809 810 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); 811 812 count = 0; 813 bootresponse[0] = MBOX2_BOOT_LOADING; 814 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { 815 msleep(500); /* 0.5 second delay */ 816 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 817 /* Control magic - load onboard firmware */ 818 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); 819 if (bootresponse[0] == MBOX2_BOOT_READY) 820 break; 821 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); 822 count++; 823 } 824 825 if (bootresponse[0] != MBOX2_BOOT_READY) { 826 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); 827 return -ENODEV; 828 } 829 830 dev_dbg(&dev->dev, "device initialised!\n"); 831 832 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 833 &dev->descriptor, sizeof(dev->descriptor)); 834 config = dev->actconfig; 835 if (err < 0) 836 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 837 838 err = usb_reset_configuration(dev); 839 if (err < 0) 840 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 841 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", 842 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 843 844 mbox2_setup_48_24_magic(dev); 845 846 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); 847 848 return 0; /* Successful boot */ 849 } 850 851 /* 852 * Setup quirks 853 */ 854 #define MAUDIO_SET 0x01 /* parse device_setup */ 855 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 856 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 857 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 858 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 859 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 860 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 861 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 862 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 863 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 864 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 865 866 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 867 int iface, int altno) 868 { 869 /* Reset ALL ifaces to 0 altsetting. 870 * Call it for every possible altsetting of every interface. 871 */ 872 usb_set_interface(chip->dev, iface, 0); 873 if (chip->setup & MAUDIO_SET) { 874 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 875 if (iface != 1 && iface != 2) 876 return 1; /* skip all interfaces but 1 and 2 */ 877 } else { 878 unsigned int mask; 879 if (iface == 1 || iface == 2) 880 return 1; /* skip interfaces 1 and 2 */ 881 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 882 return 1; /* skip this altsetting */ 883 mask = chip->setup & MAUDIO_SET_MASK; 884 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 885 return 1; /* skip this altsetting */ 886 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 887 return 1; /* skip this altsetting */ 888 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 889 return 1; /* skip this altsetting */ 890 } 891 } 892 usb_audio_dbg(chip, 893 "using altsetting %d for interface %d config %d\n", 894 altno, iface, chip->setup); 895 return 0; /* keep this altsetting */ 896 } 897 898 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 899 int iface, 900 int altno) 901 { 902 /* Reset ALL ifaces to 0 altsetting. 903 * Call it for every possible altsetting of every interface. 904 */ 905 usb_set_interface(chip->dev, iface, 0); 906 907 if (chip->setup & MAUDIO_SET) { 908 unsigned int mask; 909 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 910 return 1; /* skip this altsetting */ 911 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 912 return 1; /* skip this altsetting */ 913 mask = chip->setup & MAUDIO_SET_MASK; 914 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 915 return 1; /* skip this altsetting */ 916 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 917 return 1; /* skip this altsetting */ 918 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 919 return 1; /* skip this altsetting */ 920 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 921 return 1; /* skip this altsetting */ 922 } 923 924 return 0; /* keep this altsetting */ 925 } 926 927 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 928 int iface, int altno) 929 { 930 /* Reset ALL ifaces to 0 altsetting. 931 * Call it for every possible altsetting of every interface. 932 */ 933 usb_set_interface(chip->dev, iface, 0); 934 935 /* possible configuration where both inputs and only one output is 936 *used is not supported by the current setup 937 */ 938 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 939 if (chip->setup & MAUDIO_SET_96K) { 940 if (altno != 3 && altno != 6) 941 return 1; 942 } else if (chip->setup & MAUDIO_SET_DI) { 943 if (iface == 4) 944 return 1; /* no analog input */ 945 if (altno != 2 && altno != 5) 946 return 1; /* enable only altsets 2 and 5 */ 947 } else { 948 if (iface == 5) 949 return 1; /* disable digialt input */ 950 if (altno != 2 && altno != 5) 951 return 1; /* enalbe only altsets 2 and 5 */ 952 } 953 } else { 954 /* keep only 16-Bit mode */ 955 if (altno != 1) 956 return 1; 957 } 958 959 usb_audio_dbg(chip, 960 "using altsetting %d for interface %d config %d\n", 961 altno, iface, chip->setup); 962 return 0; /* keep this altsetting */ 963 } 964 965 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 966 int iface, 967 int altno) 968 { 969 /* audiophile usb: skip altsets incompatible with device_setup */ 970 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 971 return audiophile_skip_setting_quirk(chip, iface, altno); 972 /* quattro usb: skip altsets incompatible with device_setup */ 973 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 974 return quattro_skip_setting_quirk(chip, iface, altno); 975 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 976 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 977 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 978 979 return 0; 980 } 981 982 int snd_usb_apply_boot_quirk(struct usb_device *dev, 983 struct usb_interface *intf, 984 const struct snd_usb_audio_quirk *quirk, 985 unsigned int id) 986 { 987 switch (id) { 988 case USB_ID(0x041e, 0x3000): 989 /* SB Extigy needs special boot-up sequence */ 990 /* if more models come, this will go to the quirk list. */ 991 return snd_usb_extigy_boot_quirk(dev, intf); 992 993 case USB_ID(0x041e, 0x3020): 994 /* SB Audigy 2 NX needs its own boot-up magic, too */ 995 return snd_usb_audigy2nx_boot_quirk(dev); 996 997 case USB_ID(0x10f5, 0x0200): 998 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 999 return snd_usb_cm106_boot_quirk(dev); 1000 1001 case USB_ID(0x0d8c, 0x0102): 1002 /* C-Media CM6206 / CM106-Like Sound Device */ 1003 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1004 return snd_usb_cm6206_boot_quirk(dev); 1005 1006 case USB_ID(0x0dba, 0x3000): 1007 /* Digidesign Mbox 2 */ 1008 return snd_usb_mbox2_boot_quirk(dev); 1009 1010 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1011 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1012 return snd_usb_novation_boot_quirk(dev); 1013 1014 case USB_ID(0x133e, 0x0815): 1015 /* Access Music VirusTI Desktop */ 1016 return snd_usb_accessmusic_boot_quirk(dev); 1017 1018 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1019 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1020 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1021 return snd_usb_nativeinstruments_boot_quirk(dev); 1022 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1023 return snd_usb_fasttrackpro_boot_quirk(dev); 1024 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1025 return snd_usb_gamecon780_boot_quirk(dev); 1026 } 1027 1028 return 0; 1029 } 1030 1031 /* 1032 * check if the device uses big-endian samples 1033 */ 1034 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1035 { 1036 /* it depends on altsetting whether the device is big-endian or not */ 1037 switch (chip->usb_id) { 1038 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1039 if (fp->altsetting == 2 || fp->altsetting == 3 || 1040 fp->altsetting == 5 || fp->altsetting == 6) 1041 return 1; 1042 break; 1043 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1044 if (chip->setup == 0x00 || 1045 fp->altsetting == 1 || fp->altsetting == 2 || 1046 fp->altsetting == 3) 1047 return 1; 1048 break; 1049 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1050 if (fp->altsetting == 2 || fp->altsetting == 3 || 1051 fp->altsetting == 5 || fp->altsetting == 6) 1052 return 1; 1053 break; 1054 } 1055 return 0; 1056 } 1057 1058 /* 1059 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1060 * not for interface. 1061 */ 1062 1063 enum { 1064 EMU_QUIRK_SR_44100HZ = 0, 1065 EMU_QUIRK_SR_48000HZ, 1066 EMU_QUIRK_SR_88200HZ, 1067 EMU_QUIRK_SR_96000HZ, 1068 EMU_QUIRK_SR_176400HZ, 1069 EMU_QUIRK_SR_192000HZ 1070 }; 1071 1072 static void set_format_emu_quirk(struct snd_usb_substream *subs, 1073 struct audioformat *fmt) 1074 { 1075 unsigned char emu_samplerate_id = 0; 1076 1077 /* When capture is active 1078 * sample rate shouldn't be changed 1079 * by playback substream 1080 */ 1081 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1082 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1083 return; 1084 } 1085 1086 switch (fmt->rate_min) { 1087 case 48000: 1088 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1089 break; 1090 case 88200: 1091 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1092 break; 1093 case 96000: 1094 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1095 break; 1096 case 176400: 1097 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1098 break; 1099 case 192000: 1100 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1101 break; 1102 default: 1103 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1104 break; 1105 } 1106 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1107 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1108 } 1109 1110 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1111 struct audioformat *fmt) 1112 { 1113 switch (subs->stream->chip->usb_id) { 1114 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1115 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1116 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1117 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1118 set_format_emu_quirk(subs, fmt); 1119 break; 1120 } 1121 } 1122 1123 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1124 { 1125 /* devices which do not support reading the sample rate. */ 1126 switch (chip->usb_id) { 1127 case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */ 1128 case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */ 1129 case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */ 1130 case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */ 1131 case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */ 1132 case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */ 1133 case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */ 1134 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ 1135 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1136 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ 1137 return true; 1138 } 1139 return false; 1140 } 1141 1142 /* Marantz/Denon USB DACs need a vendor cmd to switch 1143 * between PCM and native DSD mode 1144 */ 1145 static bool is_marantz_denon_dac(unsigned int id) 1146 { 1147 switch (id) { 1148 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1149 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1150 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1151 return true; 1152 } 1153 return false; 1154 } 1155 1156 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1157 struct audioformat *fmt) 1158 { 1159 struct usb_device *dev = subs->dev; 1160 int err; 1161 1162 if (is_marantz_denon_dac(subs->stream->chip->usb_id)) { 1163 /* First switch to alt set 0, otherwise the mode switch cmd 1164 * will not be accepted by the DAC 1165 */ 1166 err = usb_set_interface(dev, fmt->iface, 0); 1167 if (err < 0) 1168 return err; 1169 1170 mdelay(20); /* Delay needed after setting the interface */ 1171 1172 switch (fmt->altsetting) { 1173 case 2: /* DSD mode requested */ 1174 case 1: /* PCM mode requested */ 1175 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1176 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1177 fmt->altsetting - 1, 1, NULL, 0); 1178 if (err < 0) 1179 return err; 1180 break; 1181 } 1182 mdelay(20); 1183 } 1184 return 0; 1185 } 1186 1187 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1188 { 1189 /* 1190 * "Playback Design" products send bogus feedback data at the start 1191 * of the stream. Ignore them. 1192 */ 1193 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && 1194 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1195 ep->skip_packets = 4; 1196 1197 /* 1198 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1199 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1200 * the stream is (re)started. When skipping packets 16 at endpoint 1201 * start up, the real world latency is stable within +/- 1 frame (also 1202 * across power cycles). 1203 */ 1204 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1205 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1206 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1207 ep->skip_packets = 16; 1208 } 1209 1210 void snd_usb_set_interface_quirk(struct usb_device *dev) 1211 { 1212 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1213 1214 if (!chip) 1215 return; 1216 /* 1217 * "Playback Design" products need a 50ms delay after setting the 1218 * USB interface. 1219 */ 1220 switch (USB_ID_VENDOR(chip->usb_id)) { 1221 case 0x23ba: /* Playback Design */ 1222 case 0x0644: /* TEAC Corp. */ 1223 mdelay(50); 1224 break; 1225 } 1226 } 1227 1228 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ 1229 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1230 __u8 request, __u8 requesttype, __u16 value, 1231 __u16 index, void *data, __u16 size) 1232 { 1233 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1234 1235 if (!chip) 1236 return; 1237 /* 1238 * "Playback Design" products need a 20ms delay after each 1239 * class compliant request 1240 */ 1241 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1242 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1243 mdelay(20); 1244 1245 /* 1246 * "TEAC Corp." products need a 20ms delay after each 1247 * class compliant request 1248 */ 1249 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 && 1250 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1251 mdelay(20); 1252 1253 /* Marantz/Denon devices with USB DAC functionality need a delay 1254 * after each class compliant request 1255 */ 1256 if (is_marantz_denon_dac(chip->usb_id) 1257 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1258 mdelay(20); 1259 1260 /* Zoom R16/24 needs a tiny delay here, otherwise requests like 1261 * get/set frequency return as failed despite actually succeeding. 1262 */ 1263 if (chip->usb_id == USB_ID(0x1686, 0x00dd) && 1264 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1265 mdelay(1); 1266 } 1267 1268 /* 1269 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1270 * augment the PCM format bit-field for DSD types. The UAC standards 1271 * don't have a designated bit field to denote DSD-capable interfaces, 1272 * hence all hardware that is known to support this format has to be 1273 * listed here. 1274 */ 1275 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1276 struct audioformat *fp, 1277 unsigned int sample_bytes) 1278 { 1279 /* Playback Designs */ 1280 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) { 1281 switch (fp->altsetting) { 1282 case 1: 1283 fp->dsd_dop = true; 1284 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1285 case 2: 1286 fp->dsd_bitrev = true; 1287 return SNDRV_PCM_FMTBIT_DSD_U8; 1288 case 3: 1289 fp->dsd_bitrev = true; 1290 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1291 } 1292 } 1293 1294 /* XMOS based USB DACs */ 1295 switch (chip->usb_id) { 1296 case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */ 1297 case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */ 1298 case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */ 1299 case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */ 1300 if (fp->altsetting == 2) 1301 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1302 break; 1303 1304 case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */ 1305 case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */ 1306 case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */ 1307 case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */ 1308 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1309 if (fp->altsetting == 3) 1310 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1311 break; 1312 default: 1313 break; 1314 } 1315 1316 /* Denon/Marantz devices with USB DAC functionality */ 1317 if (is_marantz_denon_dac(chip->usb_id)) { 1318 if (fp->altsetting == 2) 1319 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1320 } 1321 1322 return 0; 1323 } 1324