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 return -ENOMEM; 151 152 INIT_LIST_HEAD(&fp->list); 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 list_del(&fp->list); /* unlink for avoiding double-free */ 197 kfree(fp); 198 kfree(rate_table); 199 return err; 200 } 201 202 static int create_auto_pcm_quirk(struct snd_usb_audio *chip, 203 struct usb_interface *iface, 204 struct usb_driver *driver) 205 { 206 struct usb_host_interface *alts; 207 struct usb_interface_descriptor *altsd; 208 struct usb_endpoint_descriptor *epd; 209 struct uac1_as_header_descriptor *ashd; 210 struct uac_format_type_i_discrete_descriptor *fmtd; 211 212 /* 213 * Most Roland/Yamaha audio streaming interfaces have more or less 214 * standard descriptors, but older devices might lack descriptors, and 215 * future ones might change, so ensure that we fail silently if the 216 * interface doesn't look exactly right. 217 */ 218 219 /* must have a non-zero altsetting for streaming */ 220 if (iface->num_altsetting < 2) 221 return -ENODEV; 222 alts = &iface->altsetting[1]; 223 altsd = get_iface_desc(alts); 224 225 /* must have an isochronous endpoint for streaming */ 226 if (altsd->bNumEndpoints < 1) 227 return -ENODEV; 228 epd = get_endpoint(alts, 0); 229 if (!usb_endpoint_xfer_isoc(epd)) 230 return -ENODEV; 231 232 /* must have format descriptors */ 233 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 234 UAC_AS_GENERAL); 235 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 236 UAC_FORMAT_TYPE); 237 if (!ashd || ashd->bLength < 7 || 238 !fmtd || fmtd->bLength < 8) 239 return -ENODEV; 240 241 return create_standard_audio_quirk(chip, iface, driver, NULL); 242 } 243 244 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, 245 struct usb_interface *iface, 246 struct usb_driver *driver, 247 struct usb_host_interface *alts) 248 { 249 static const struct snd_usb_audio_quirk yamaha_midi_quirk = { 250 .type = QUIRK_MIDI_YAMAHA 251 }; 252 struct usb_midi_in_jack_descriptor *injd; 253 struct usb_midi_out_jack_descriptor *outjd; 254 255 /* must have some valid jack descriptors */ 256 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 257 NULL, USB_MS_MIDI_IN_JACK); 258 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 259 NULL, USB_MS_MIDI_OUT_JACK); 260 if (!injd && !outjd) 261 return -ENODEV; 262 if (injd && (injd->bLength < 5 || 263 (injd->bJackType != USB_MS_EMBEDDED && 264 injd->bJackType != USB_MS_EXTERNAL))) 265 return -ENODEV; 266 if (outjd && (outjd->bLength < 6 || 267 (outjd->bJackType != USB_MS_EMBEDDED && 268 outjd->bJackType != USB_MS_EXTERNAL))) 269 return -ENODEV; 270 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); 271 } 272 273 static int create_roland_midi_quirk(struct snd_usb_audio *chip, 274 struct usb_interface *iface, 275 struct usb_driver *driver, 276 struct usb_host_interface *alts) 277 { 278 static const struct snd_usb_audio_quirk roland_midi_quirk = { 279 .type = QUIRK_MIDI_ROLAND 280 }; 281 u8 *roland_desc = NULL; 282 283 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ 284 for (;;) { 285 roland_desc = snd_usb_find_csint_desc(alts->extra, 286 alts->extralen, 287 roland_desc, 0xf1); 288 if (!roland_desc) 289 return -ENODEV; 290 if (roland_desc[0] < 6 || roland_desc[3] != 2) 291 continue; 292 return create_any_midi_quirk(chip, iface, driver, 293 &roland_midi_quirk); 294 } 295 } 296 297 static int create_std_midi_quirk(struct snd_usb_audio *chip, 298 struct usb_interface *iface, 299 struct usb_driver *driver, 300 struct usb_host_interface *alts) 301 { 302 struct usb_ms_header_descriptor *mshd; 303 struct usb_ms_endpoint_descriptor *msepd; 304 305 /* must have the MIDIStreaming interface header descriptor*/ 306 mshd = (struct usb_ms_header_descriptor *)alts->extra; 307 if (alts->extralen < 7 || 308 mshd->bLength < 7 || 309 mshd->bDescriptorType != USB_DT_CS_INTERFACE || 310 mshd->bDescriptorSubtype != USB_MS_HEADER) 311 return -ENODEV; 312 /* must have the MIDIStreaming endpoint descriptor*/ 313 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; 314 if (alts->endpoint[0].extralen < 4 || 315 msepd->bLength < 4 || 316 msepd->bDescriptorType != USB_DT_CS_ENDPOINT || 317 msepd->bDescriptorSubtype != UAC_MS_GENERAL || 318 msepd->bNumEmbMIDIJack < 1 || 319 msepd->bNumEmbMIDIJack > 16) 320 return -ENODEV; 321 322 return create_any_midi_quirk(chip, iface, driver, NULL); 323 } 324 325 static int create_auto_midi_quirk(struct snd_usb_audio *chip, 326 struct usb_interface *iface, 327 struct usb_driver *driver) 328 { 329 struct usb_host_interface *alts; 330 struct usb_interface_descriptor *altsd; 331 struct usb_endpoint_descriptor *epd; 332 int err; 333 334 alts = &iface->altsetting[0]; 335 altsd = get_iface_desc(alts); 336 337 /* must have at least one bulk/interrupt endpoint for streaming */ 338 if (altsd->bNumEndpoints < 1) 339 return -ENODEV; 340 epd = get_endpoint(alts, 0); 341 if (!usb_endpoint_xfer_bulk(epd) && 342 !usb_endpoint_xfer_int(epd)) 343 return -ENODEV; 344 345 switch (USB_ID_VENDOR(chip->usb_id)) { 346 case 0x0499: /* Yamaha */ 347 err = create_yamaha_midi_quirk(chip, iface, driver, alts); 348 if (err != -ENODEV) 349 return err; 350 break; 351 case 0x0582: /* Roland */ 352 err = create_roland_midi_quirk(chip, iface, driver, alts); 353 if (err != -ENODEV) 354 return err; 355 break; 356 } 357 358 return create_std_midi_quirk(chip, iface, driver, alts); 359 } 360 361 static int create_autodetect_quirk(struct snd_usb_audio *chip, 362 struct usb_interface *iface, 363 struct usb_driver *driver) 364 { 365 int err; 366 367 err = create_auto_pcm_quirk(chip, iface, driver); 368 if (err == -ENODEV) 369 err = create_auto_midi_quirk(chip, iface, driver); 370 return err; 371 } 372 373 static int create_autodetect_quirks(struct snd_usb_audio *chip, 374 struct usb_interface *iface, 375 struct usb_driver *driver, 376 const struct snd_usb_audio_quirk *quirk) 377 { 378 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 379 int ifcount, ifnum, err; 380 381 err = create_autodetect_quirk(chip, iface, driver); 382 if (err < 0) 383 return err; 384 385 /* 386 * ALSA PCM playback/capture devices cannot be registered in two steps, 387 * so we have to claim the other corresponding interface here. 388 */ 389 ifcount = chip->dev->actconfig->desc.bNumInterfaces; 390 for (ifnum = 0; ifnum < ifcount; ifnum++) { 391 if (ifnum == probed_ifnum || quirk->ifnum >= 0) 392 continue; 393 iface = usb_ifnum_to_if(chip->dev, ifnum); 394 if (!iface || 395 usb_interface_claimed(iface) || 396 get_iface_desc(iface->altsetting)->bInterfaceClass != 397 USB_CLASS_VENDOR_SPEC) 398 continue; 399 400 err = create_autodetect_quirk(chip, iface, driver); 401 if (err >= 0) 402 usb_driver_claim_interface(driver, iface, (void *)-1L); 403 } 404 405 return 0; 406 } 407 408 /* 409 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 410 * The only way to detect the sample rate is by looking at wMaxPacketSize. 411 */ 412 static int create_uaxx_quirk(struct snd_usb_audio *chip, 413 struct usb_interface *iface, 414 struct usb_driver *driver, 415 const struct snd_usb_audio_quirk *quirk) 416 { 417 static const struct audioformat ua_format = { 418 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 419 .channels = 2, 420 .fmt_type = UAC_FORMAT_TYPE_I, 421 .altsetting = 1, 422 .altset_idx = 1, 423 .rates = SNDRV_PCM_RATE_CONTINUOUS, 424 }; 425 struct usb_host_interface *alts; 426 struct usb_interface_descriptor *altsd; 427 struct audioformat *fp; 428 int stream, err; 429 430 /* both PCM and MIDI interfaces have 2 or more altsettings */ 431 if (iface->num_altsetting < 2) 432 return -ENXIO; 433 alts = &iface->altsetting[1]; 434 altsd = get_iface_desc(alts); 435 436 if (altsd->bNumEndpoints == 2) { 437 static const struct snd_usb_midi_endpoint_info ua700_ep = { 438 .out_cables = 0x0003, 439 .in_cables = 0x0003 440 }; 441 static const struct snd_usb_audio_quirk ua700_quirk = { 442 .type = QUIRK_MIDI_FIXED_ENDPOINT, 443 .data = &ua700_ep 444 }; 445 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 446 .out_cables = 0x0001, 447 .in_cables = 0x0001 448 }; 449 static const struct snd_usb_audio_quirk uaxx_quirk = { 450 .type = QUIRK_MIDI_FIXED_ENDPOINT, 451 .data = &uaxx_ep 452 }; 453 const struct snd_usb_audio_quirk *quirk = 454 chip->usb_id == USB_ID(0x0582, 0x002b) 455 ? &ua700_quirk : &uaxx_quirk; 456 return __snd_usbmidi_create(chip->card, iface, 457 &chip->midi_list, quirk, 458 chip->usb_id); 459 } 460 461 if (altsd->bNumEndpoints != 1) 462 return -ENXIO; 463 464 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 465 if (!fp) 466 return -ENOMEM; 467 468 fp->iface = altsd->bInterfaceNumber; 469 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 470 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 471 fp->datainterval = 0; 472 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 473 INIT_LIST_HEAD(&fp->list); 474 475 switch (fp->maxpacksize) { 476 case 0x120: 477 fp->rate_max = fp->rate_min = 44100; 478 break; 479 case 0x138: 480 case 0x140: 481 fp->rate_max = fp->rate_min = 48000; 482 break; 483 case 0x258: 484 case 0x260: 485 fp->rate_max = fp->rate_min = 96000; 486 break; 487 default: 488 usb_audio_err(chip, "unknown sample rate\n"); 489 kfree(fp); 490 return -ENXIO; 491 } 492 493 stream = (fp->endpoint & USB_DIR_IN) 494 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 495 err = snd_usb_add_audio_stream(chip, stream, fp); 496 if (err < 0) { 497 list_del(&fp->list); /* unlink for avoiding double-free */ 498 kfree(fp); 499 return err; 500 } 501 usb_set_interface(chip->dev, fp->iface, 0); 502 return 0; 503 } 504 505 /* 506 * Create a standard mixer for the specified interface. 507 */ 508 static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 509 struct usb_interface *iface, 510 struct usb_driver *driver, 511 const struct snd_usb_audio_quirk *quirk) 512 { 513 if (quirk->ifnum < 0) 514 return 0; 515 516 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 517 } 518 519 /* 520 * audio-interface quirks 521 * 522 * returns zero if no standard audio/MIDI parsing is needed. 523 * returns a positive value if standard audio/midi interfaces are parsed 524 * after this. 525 * returns a negative value at error. 526 */ 527 int snd_usb_create_quirk(struct snd_usb_audio *chip, 528 struct usb_interface *iface, 529 struct usb_driver *driver, 530 const struct snd_usb_audio_quirk *quirk) 531 { 532 typedef int (*quirk_func_t)(struct snd_usb_audio *, 533 struct usb_interface *, 534 struct usb_driver *, 535 const struct snd_usb_audio_quirk *); 536 static const quirk_func_t quirk_funcs[] = { 537 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 538 [QUIRK_COMPOSITE] = create_composite_quirk, 539 [QUIRK_AUTODETECT] = create_autodetect_quirks, 540 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 541 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 542 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 543 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, 544 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 545 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 546 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 547 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 548 [QUIRK_MIDI_CME] = create_any_midi_quirk, 549 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 550 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 551 [QUIRK_MIDI_CH345] = create_any_midi_quirk, 552 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 553 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 554 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 555 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 556 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 557 }; 558 559 if (quirk->type < QUIRK_TYPE_COUNT) { 560 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 561 } else { 562 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); 563 return -ENXIO; 564 } 565 } 566 567 /* 568 * boot quirks 569 */ 570 571 #define EXTIGY_FIRMWARE_SIZE_OLD 794 572 #define EXTIGY_FIRMWARE_SIZE_NEW 483 573 574 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 575 { 576 struct usb_host_config *config = dev->actconfig; 577 int err; 578 579 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 580 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 581 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); 582 /* Send message to force it to reconnect with full interface. */ 583 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 584 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 585 if (err < 0) 586 dev_dbg(&dev->dev, "error sending boot message: %d\n", err); 587 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 588 &dev->descriptor, sizeof(dev->descriptor)); 589 config = dev->actconfig; 590 if (err < 0) 591 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 592 err = usb_reset_configuration(dev); 593 if (err < 0) 594 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 595 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", 596 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 597 return -ENODEV; /* quit this anyway */ 598 } 599 return 0; 600 } 601 602 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 603 { 604 u8 buf = 1; 605 606 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 607 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 608 0, 0, &buf, 1); 609 if (buf == 0) { 610 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 611 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 612 1, 2000, NULL, 0); 613 return -ENODEV; 614 } 615 return 0; 616 } 617 618 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 619 { 620 int err; 621 622 if (dev->actconfig->desc.bConfigurationValue == 1) { 623 dev_info(&dev->dev, 624 "Fast Track Pro switching to config #2\n"); 625 /* This function has to be available by the usb core module. 626 * if it is not avialable the boot quirk has to be left out 627 * and the configuration has to be set by udev or hotplug 628 * rules 629 */ 630 err = usb_driver_set_configuration(dev, 2); 631 if (err < 0) 632 dev_dbg(&dev->dev, 633 "error usb_driver_set_configuration: %d\n", 634 err); 635 /* Always return an error, so that we stop creating a device 636 that will just be destroyed and recreated with a new 637 configuration */ 638 return -ENODEV; 639 } else 640 dev_info(&dev->dev, "Fast Track Pro config OK\n"); 641 642 return 0; 643 } 644 645 /* 646 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 647 * documented in the device's data sheet. 648 */ 649 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 650 { 651 u8 buf[4]; 652 buf[0] = 0x20; 653 buf[1] = value & 0xff; 654 buf[2] = (value >> 8) & 0xff; 655 buf[3] = reg; 656 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 657 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 658 0, 0, &buf, 4); 659 } 660 661 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 662 { 663 /* 664 * Enable line-out driver mode, set headphone source to front 665 * channels, enable stereo mic. 666 */ 667 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 668 } 669 670 /* 671 * C-Media CM6206 is based on CM106 with two additional 672 * registers that are not documented in the data sheet. 673 * Values here are chosen based on sniffing USB traffic 674 * under Windows. 675 */ 676 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 677 { 678 int err = 0, reg; 679 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; 680 681 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 682 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 683 if (err < 0) 684 return err; 685 } 686 687 return err; 688 } 689 690 /* quirk for Plantronics GameCom 780 with CM6302 chip */ 691 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) 692 { 693 /* set the initial volume and don't change; other values are either 694 * too loud or silent due to firmware bug (bko#65251) 695 */ 696 u8 buf[2] = { 0x74, 0xe3 }; 697 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 698 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 699 UAC_FU_VOLUME << 8, 9 << 8, buf, 2); 700 } 701 702 /* 703 * Novation Twitch DJ controller 704 * Focusrite Novation Saffire 6 USB audio card 705 */ 706 static int snd_usb_novation_boot_quirk(struct usb_device *dev) 707 { 708 /* preemptively set up the device because otherwise the 709 * raw MIDI endpoints are not active */ 710 usb_set_interface(dev, 0, 1); 711 return 0; 712 } 713 714 /* 715 * This call will put the synth in "USB send" mode, i.e it will send MIDI 716 * messages through USB (this is disabled at startup). The synth will 717 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 718 * sign on its LCD. Values here are chosen based on sniffing USB traffic 719 * under Windows. 720 */ 721 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 722 { 723 int err, actual_length; 724 725 /* "midi send" enable */ 726 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 727 728 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 729 if (!buf) 730 return -ENOMEM; 731 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 732 ARRAY_SIZE(seq), &actual_length, 1000); 733 kfree(buf); 734 if (err < 0) 735 return err; 736 737 return 0; 738 } 739 740 /* 741 * Some sound cards from Native Instruments are in fact compliant to the USB 742 * audio standard of version 2 and other approved USB standards, even though 743 * they come up as vendor-specific device when first connected. 744 * 745 * However, they can be told to come up with a new set of descriptors 746 * upon their next enumeration, and the interfaces announced by the new 747 * descriptors will then be handled by the kernel's class drivers. As the 748 * product ID will also change, no further checks are required. 749 */ 750 751 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 752 { 753 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 754 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 755 1, 0, NULL, 0, 1000); 756 757 if (ret < 0) 758 return ret; 759 760 usb_reset_device(dev); 761 762 /* return -EAGAIN, so the creation of an audio interface for this 763 * temporary device is aborted. The device will reconnect with a 764 * new product ID */ 765 return -EAGAIN; 766 } 767 768 static void mbox2_setup_48_24_magic(struct usb_device *dev) 769 { 770 u8 srate[3]; 771 u8 temp[12]; 772 773 /* Choose 48000Hz permanently */ 774 srate[0] = 0x80; 775 srate[1] = 0xbb; 776 srate[2] = 0x00; 777 778 /* Send the magic! */ 779 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 780 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); 781 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 782 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); 783 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 784 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); 785 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 786 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); 787 return; 788 } 789 790 /* Digidesign Mbox 2 needs to load firmware onboard 791 * and driver must wait a few seconds for initialisation. 792 */ 793 794 #define MBOX2_FIRMWARE_SIZE 646 795 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ 796 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ 797 798 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) 799 { 800 struct usb_host_config *config = dev->actconfig; 801 int err; 802 u8 bootresponse[0x12]; 803 int fwsize; 804 int count; 805 806 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); 807 808 if (fwsize != MBOX2_FIRMWARE_SIZE) { 809 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); 810 return -ENODEV; 811 } 812 813 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); 814 815 count = 0; 816 bootresponse[0] = MBOX2_BOOT_LOADING; 817 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { 818 msleep(500); /* 0.5 second delay */ 819 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 820 /* Control magic - load onboard firmware */ 821 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); 822 if (bootresponse[0] == MBOX2_BOOT_READY) 823 break; 824 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); 825 count++; 826 } 827 828 if (bootresponse[0] != MBOX2_BOOT_READY) { 829 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); 830 return -ENODEV; 831 } 832 833 dev_dbg(&dev->dev, "device initialised!\n"); 834 835 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 836 &dev->descriptor, sizeof(dev->descriptor)); 837 config = dev->actconfig; 838 if (err < 0) 839 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 840 841 err = usb_reset_configuration(dev); 842 if (err < 0) 843 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 844 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", 845 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 846 847 mbox2_setup_48_24_magic(dev); 848 849 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); 850 851 return 0; /* Successful boot */ 852 } 853 854 /* 855 * Setup quirks 856 */ 857 #define MAUDIO_SET 0x01 /* parse device_setup */ 858 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 859 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 860 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 861 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 862 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 863 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 864 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 865 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 866 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 867 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 868 869 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 870 int iface, int altno) 871 { 872 /* Reset ALL ifaces to 0 altsetting. 873 * Call it for every possible altsetting of every interface. 874 */ 875 usb_set_interface(chip->dev, iface, 0); 876 if (chip->setup & MAUDIO_SET) { 877 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 878 if (iface != 1 && iface != 2) 879 return 1; /* skip all interfaces but 1 and 2 */ 880 } else { 881 unsigned int mask; 882 if (iface == 1 || iface == 2) 883 return 1; /* skip interfaces 1 and 2 */ 884 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 885 return 1; /* skip this altsetting */ 886 mask = chip->setup & MAUDIO_SET_MASK; 887 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 888 return 1; /* skip this altsetting */ 889 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 890 return 1; /* skip this altsetting */ 891 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 892 return 1; /* skip this altsetting */ 893 } 894 } 895 usb_audio_dbg(chip, 896 "using altsetting %d for interface %d config %d\n", 897 altno, iface, chip->setup); 898 return 0; /* keep this altsetting */ 899 } 900 901 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 902 int iface, 903 int altno) 904 { 905 /* Reset ALL ifaces to 0 altsetting. 906 * Call it for every possible altsetting of every interface. 907 */ 908 usb_set_interface(chip->dev, iface, 0); 909 910 if (chip->setup & MAUDIO_SET) { 911 unsigned int mask; 912 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 913 return 1; /* skip this altsetting */ 914 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 915 return 1; /* skip this altsetting */ 916 mask = chip->setup & MAUDIO_SET_MASK; 917 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 918 return 1; /* skip this altsetting */ 919 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 920 return 1; /* skip this altsetting */ 921 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 922 return 1; /* skip this altsetting */ 923 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 924 return 1; /* skip this altsetting */ 925 } 926 927 return 0; /* keep this altsetting */ 928 } 929 930 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 931 int iface, int altno) 932 { 933 /* Reset ALL ifaces to 0 altsetting. 934 * Call it for every possible altsetting of every interface. 935 */ 936 usb_set_interface(chip->dev, iface, 0); 937 938 /* possible configuration where both inputs and only one output is 939 *used is not supported by the current setup 940 */ 941 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 942 if (chip->setup & MAUDIO_SET_96K) { 943 if (altno != 3 && altno != 6) 944 return 1; 945 } else if (chip->setup & MAUDIO_SET_DI) { 946 if (iface == 4) 947 return 1; /* no analog input */ 948 if (altno != 2 && altno != 5) 949 return 1; /* enable only altsets 2 and 5 */ 950 } else { 951 if (iface == 5) 952 return 1; /* disable digialt input */ 953 if (altno != 2 && altno != 5) 954 return 1; /* enalbe only altsets 2 and 5 */ 955 } 956 } else { 957 /* keep only 16-Bit mode */ 958 if (altno != 1) 959 return 1; 960 } 961 962 usb_audio_dbg(chip, 963 "using altsetting %d for interface %d config %d\n", 964 altno, iface, chip->setup); 965 return 0; /* keep this altsetting */ 966 } 967 968 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 969 int iface, 970 int altno) 971 { 972 /* audiophile usb: skip altsets incompatible with device_setup */ 973 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 974 return audiophile_skip_setting_quirk(chip, iface, altno); 975 /* quattro usb: skip altsets incompatible with device_setup */ 976 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 977 return quattro_skip_setting_quirk(chip, iface, altno); 978 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 979 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 980 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 981 982 return 0; 983 } 984 985 int snd_usb_apply_boot_quirk(struct usb_device *dev, 986 struct usb_interface *intf, 987 const struct snd_usb_audio_quirk *quirk, 988 unsigned int id) 989 { 990 switch (id) { 991 case USB_ID(0x041e, 0x3000): 992 /* SB Extigy needs special boot-up sequence */ 993 /* if more models come, this will go to the quirk list. */ 994 return snd_usb_extigy_boot_quirk(dev, intf); 995 996 case USB_ID(0x041e, 0x3020): 997 /* SB Audigy 2 NX needs its own boot-up magic, too */ 998 return snd_usb_audigy2nx_boot_quirk(dev); 999 1000 case USB_ID(0x10f5, 0x0200): 1001 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 1002 return snd_usb_cm106_boot_quirk(dev); 1003 1004 case USB_ID(0x0d8c, 0x0102): 1005 /* C-Media CM6206 / CM106-Like Sound Device */ 1006 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1007 return snd_usb_cm6206_boot_quirk(dev); 1008 1009 case USB_ID(0x0dba, 0x3000): 1010 /* Digidesign Mbox 2 */ 1011 return snd_usb_mbox2_boot_quirk(dev); 1012 1013 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1014 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1015 return snd_usb_novation_boot_quirk(dev); 1016 1017 case USB_ID(0x133e, 0x0815): 1018 /* Access Music VirusTI Desktop */ 1019 return snd_usb_accessmusic_boot_quirk(dev); 1020 1021 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1022 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1023 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1024 return snd_usb_nativeinstruments_boot_quirk(dev); 1025 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1026 return snd_usb_fasttrackpro_boot_quirk(dev); 1027 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1028 return snd_usb_gamecon780_boot_quirk(dev); 1029 } 1030 1031 return 0; 1032 } 1033 1034 /* 1035 * check if the device uses big-endian samples 1036 */ 1037 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1038 { 1039 /* it depends on altsetting whether the device is big-endian or not */ 1040 switch (chip->usb_id) { 1041 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1042 if (fp->altsetting == 2 || fp->altsetting == 3 || 1043 fp->altsetting == 5 || fp->altsetting == 6) 1044 return 1; 1045 break; 1046 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1047 if (chip->setup == 0x00 || 1048 fp->altsetting == 1 || fp->altsetting == 2 || 1049 fp->altsetting == 3) 1050 return 1; 1051 break; 1052 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1053 if (fp->altsetting == 2 || fp->altsetting == 3 || 1054 fp->altsetting == 5 || fp->altsetting == 6) 1055 return 1; 1056 break; 1057 } 1058 return 0; 1059 } 1060 1061 /* 1062 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1063 * not for interface. 1064 */ 1065 1066 enum { 1067 EMU_QUIRK_SR_44100HZ = 0, 1068 EMU_QUIRK_SR_48000HZ, 1069 EMU_QUIRK_SR_88200HZ, 1070 EMU_QUIRK_SR_96000HZ, 1071 EMU_QUIRK_SR_176400HZ, 1072 EMU_QUIRK_SR_192000HZ 1073 }; 1074 1075 static void set_format_emu_quirk(struct snd_usb_substream *subs, 1076 struct audioformat *fmt) 1077 { 1078 unsigned char emu_samplerate_id = 0; 1079 1080 /* When capture is active 1081 * sample rate shouldn't be changed 1082 * by playback substream 1083 */ 1084 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1085 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1086 return; 1087 } 1088 1089 switch (fmt->rate_min) { 1090 case 48000: 1091 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1092 break; 1093 case 88200: 1094 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1095 break; 1096 case 96000: 1097 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1098 break; 1099 case 176400: 1100 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1101 break; 1102 case 192000: 1103 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1104 break; 1105 default: 1106 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1107 break; 1108 } 1109 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1110 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1111 } 1112 1113 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1114 struct audioformat *fmt) 1115 { 1116 switch (subs->stream->chip->usb_id) { 1117 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1118 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1119 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1120 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1121 set_format_emu_quirk(subs, fmt); 1122 break; 1123 } 1124 } 1125 1126 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1127 { 1128 /* devices which do not support reading the sample rate. */ 1129 switch (chip->usb_id) { 1130 case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */ 1131 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ 1132 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */ 1133 case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */ 1134 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1135 case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */ 1136 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */ 1137 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ 1138 return true; 1139 } 1140 1141 /* devices of these vendors don't support reading rate, either */ 1142 switch (USB_ID_VENDOR(chip->usb_id)) { 1143 case 0x045E: /* MS Lifecam */ 1144 case 0x047F: /* Plantronics */ 1145 case 0x1de7: /* Phoenix Audio */ 1146 return true; 1147 } 1148 1149 return false; 1150 } 1151 1152 /* Marantz/Denon USB DACs need a vendor cmd to switch 1153 * between PCM and native DSD mode 1154 */ 1155 static bool is_marantz_denon_dac(unsigned int id) 1156 { 1157 switch (id) { 1158 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1159 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1160 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1161 return true; 1162 } 1163 return false; 1164 } 1165 1166 /* TEAC UD-501/UD-503/NT-503 USB DACs need a vendor cmd to switch 1167 * between PCM/DOP and native DSD mode 1168 */ 1169 static bool is_teac_dsd_dac(unsigned int id) 1170 { 1171 switch (id) { 1172 case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-503/NT-503 */ 1173 case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */ 1174 return true; 1175 } 1176 return false; 1177 } 1178 1179 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1180 struct audioformat *fmt) 1181 { 1182 struct usb_device *dev = subs->dev; 1183 int err; 1184 1185 if (is_marantz_denon_dac(subs->stream->chip->usb_id)) { 1186 /* First switch to alt set 0, otherwise the mode switch cmd 1187 * will not be accepted by the DAC 1188 */ 1189 err = usb_set_interface(dev, fmt->iface, 0); 1190 if (err < 0) 1191 return err; 1192 1193 mdelay(20); /* Delay needed after setting the interface */ 1194 1195 switch (fmt->altsetting) { 1196 case 2: /* DSD mode requested */ 1197 case 1: /* PCM mode requested */ 1198 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1199 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1200 fmt->altsetting - 1, 1, NULL, 0); 1201 if (err < 0) 1202 return err; 1203 break; 1204 } 1205 mdelay(20); 1206 } else if (is_teac_dsd_dac(subs->stream->chip->usb_id)) { 1207 /* Vendor mode switch cmd is required. */ 1208 switch (fmt->altsetting) { 1209 case 3: /* DSD mode (DSD_U32) requested */ 1210 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1211 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1212 1, 1, NULL, 0); 1213 if (err < 0) 1214 return err; 1215 break; 1216 1217 case 2: /* PCM or DOP mode (S32) requested */ 1218 case 1: /* PCM mode (S16) requested */ 1219 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1220 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1221 0, 1, NULL, 0); 1222 if (err < 0) 1223 return err; 1224 break; 1225 } 1226 } 1227 return 0; 1228 } 1229 1230 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1231 { 1232 /* 1233 * "Playback Design" products send bogus feedback data at the start 1234 * of the stream. Ignore them. 1235 */ 1236 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && 1237 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1238 ep->skip_packets = 4; 1239 1240 /* 1241 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1242 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1243 * the stream is (re)started. When skipping packets 16 at endpoint 1244 * start up, the real world latency is stable within +/- 1 frame (also 1245 * across power cycles). 1246 */ 1247 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1248 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1249 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1250 ep->skip_packets = 16; 1251 1252 /* Work around devices that report unreasonable feedback data */ 1253 if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-H01 */ 1254 ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */ 1255 ep->syncmaxsize == 4) 1256 ep->tenor_fb_quirk = 1; 1257 } 1258 1259 void snd_usb_set_interface_quirk(struct usb_device *dev) 1260 { 1261 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1262 1263 if (!chip) 1264 return; 1265 /* 1266 * "Playback Design" products need a 50ms delay after setting the 1267 * USB interface. 1268 */ 1269 switch (USB_ID_VENDOR(chip->usb_id)) { 1270 case 0x23ba: /* Playback Design */ 1271 case 0x0644: /* TEAC Corp. */ 1272 mdelay(50); 1273 break; 1274 } 1275 } 1276 1277 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ 1278 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1279 __u8 request, __u8 requesttype, __u16 value, 1280 __u16 index, void *data, __u16 size) 1281 { 1282 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1283 1284 if (!chip) 1285 return; 1286 /* 1287 * "Playback Design" products need a 20ms delay after each 1288 * class compliant request 1289 */ 1290 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1291 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1292 mdelay(20); 1293 1294 /* 1295 * "TEAC Corp." products need a 20ms delay after each 1296 * class compliant request 1297 */ 1298 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 && 1299 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1300 mdelay(20); 1301 1302 /* Marantz/Denon devices with USB DAC functionality need a delay 1303 * after each class compliant request 1304 */ 1305 if (is_marantz_denon_dac(chip->usb_id) 1306 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1307 mdelay(20); 1308 1309 /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here, 1310 * otherwise requests like get/set frequency return as failed despite 1311 * actually succeeding. 1312 */ 1313 if ((chip->usb_id == USB_ID(0x1686, 0x00dd) || 1314 chip->usb_id == USB_ID(0x046d, 0x0a46) || 1315 chip->usb_id == USB_ID(0x0b0e, 0x0349)) && 1316 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1317 mdelay(1); 1318 } 1319 1320 /* 1321 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1322 * augment the PCM format bit-field for DSD types. The UAC standards 1323 * don't have a designated bit field to denote DSD-capable interfaces, 1324 * hence all hardware that is known to support this format has to be 1325 * listed here. 1326 */ 1327 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1328 struct audioformat *fp, 1329 unsigned int sample_bytes) 1330 { 1331 /* Playback Designs */ 1332 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) { 1333 switch (fp->altsetting) { 1334 case 1: 1335 fp->dsd_dop = true; 1336 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1337 case 2: 1338 fp->dsd_bitrev = true; 1339 return SNDRV_PCM_FMTBIT_DSD_U8; 1340 case 3: 1341 fp->dsd_bitrev = true; 1342 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1343 } 1344 } 1345 1346 /* XMOS based USB DACs */ 1347 switch (chip->usb_id) { 1348 case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */ 1349 case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */ 1350 case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */ 1351 case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */ 1352 case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */ 1353 if (fp->altsetting == 2) 1354 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1355 break; 1356 1357 case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */ 1358 case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */ 1359 case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */ 1360 case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */ 1361 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1362 if (fp->altsetting == 3) 1363 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1364 break; 1365 1366 /* Amanero Combo384 USB interface with native DSD support */ 1367 case USB_ID(0x16d0, 0x071a): 1368 if (fp->altsetting == 2) { 1369 switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) { 1370 case 0x199: 1371 return SNDRV_PCM_FMTBIT_DSD_U32_LE; 1372 case 0x19b: 1373 case 0x203: 1374 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1375 default: 1376 break; 1377 } 1378 } 1379 break; 1380 case USB_ID(0x16d0, 0x0a23): 1381 if (fp->altsetting == 2) 1382 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1383 break; 1384 1385 default: 1386 break; 1387 } 1388 1389 /* Denon/Marantz devices with USB DAC functionality */ 1390 if (is_marantz_denon_dac(chip->usb_id)) { 1391 if (fp->altsetting == 2) 1392 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1393 } 1394 1395 /* TEAC devices with USB DAC functionality */ 1396 if (is_teac_dsd_dac(chip->usb_id)) { 1397 if (fp->altsetting == 3) 1398 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1399 } 1400 1401 return 0; 1402 } 1403