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 INIT_LIST_HEAD(&fp->list); 154 if (fp->nr_rates > MAX_NR_RATES) { 155 kfree(fp); 156 return -EINVAL; 157 } 158 if (fp->nr_rates > 0) { 159 rate_table = kmemdup(fp->rate_table, 160 sizeof(int) * fp->nr_rates, GFP_KERNEL); 161 if (!rate_table) { 162 kfree(fp); 163 return -ENOMEM; 164 } 165 fp->rate_table = rate_table; 166 } 167 168 stream = (fp->endpoint & USB_DIR_IN) 169 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 170 err = snd_usb_add_audio_stream(chip, stream, fp); 171 if (err < 0) 172 goto error; 173 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || 174 fp->altset_idx >= iface->num_altsetting) { 175 err = -EINVAL; 176 goto error; 177 } 178 alts = &iface->altsetting[fp->altset_idx]; 179 altsd = get_iface_desc(alts); 180 if (altsd->bNumEndpoints < 1) { 181 err = -EINVAL; 182 goto error; 183 } 184 185 fp->protocol = altsd->bInterfaceProtocol; 186 187 if (fp->datainterval == 0) 188 fp->datainterval = snd_usb_parse_datainterval(chip, alts); 189 if (fp->maxpacksize == 0) 190 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 191 usb_set_interface(chip->dev, fp->iface, 0); 192 snd_usb_init_pitch(chip, fp->iface, alts, fp); 193 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); 194 return 0; 195 196 error: 197 list_del(&fp->list); /* unlink for avoiding double-free */ 198 kfree(fp); 199 kfree(rate_table); 200 return err; 201 } 202 203 static int create_auto_pcm_quirk(struct snd_usb_audio *chip, 204 struct usb_interface *iface, 205 struct usb_driver *driver) 206 { 207 struct usb_host_interface *alts; 208 struct usb_interface_descriptor *altsd; 209 struct usb_endpoint_descriptor *epd; 210 struct uac1_as_header_descriptor *ashd; 211 struct uac_format_type_i_discrete_descriptor *fmtd; 212 213 /* 214 * Most Roland/Yamaha audio streaming interfaces have more or less 215 * standard descriptors, but older devices might lack descriptors, and 216 * future ones might change, so ensure that we fail silently if the 217 * interface doesn't look exactly right. 218 */ 219 220 /* must have a non-zero altsetting for streaming */ 221 if (iface->num_altsetting < 2) 222 return -ENODEV; 223 alts = &iface->altsetting[1]; 224 altsd = get_iface_desc(alts); 225 226 /* must have an isochronous endpoint for streaming */ 227 if (altsd->bNumEndpoints < 1) 228 return -ENODEV; 229 epd = get_endpoint(alts, 0); 230 if (!usb_endpoint_xfer_isoc(epd)) 231 return -ENODEV; 232 233 /* must have format descriptors */ 234 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 235 UAC_AS_GENERAL); 236 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 237 UAC_FORMAT_TYPE); 238 if (!ashd || ashd->bLength < 7 || 239 !fmtd || fmtd->bLength < 8) 240 return -ENODEV; 241 242 return create_standard_audio_quirk(chip, iface, driver, NULL); 243 } 244 245 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, 246 struct usb_interface *iface, 247 struct usb_driver *driver, 248 struct usb_host_interface *alts) 249 { 250 static const struct snd_usb_audio_quirk yamaha_midi_quirk = { 251 .type = QUIRK_MIDI_YAMAHA 252 }; 253 struct usb_midi_in_jack_descriptor *injd; 254 struct usb_midi_out_jack_descriptor *outjd; 255 256 /* must have some valid jack descriptors */ 257 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 258 NULL, USB_MS_MIDI_IN_JACK); 259 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 260 NULL, USB_MS_MIDI_OUT_JACK); 261 if (!injd && !outjd) 262 return -ENODEV; 263 if (injd && (injd->bLength < 5 || 264 (injd->bJackType != USB_MS_EMBEDDED && 265 injd->bJackType != USB_MS_EXTERNAL))) 266 return -ENODEV; 267 if (outjd && (outjd->bLength < 6 || 268 (outjd->bJackType != USB_MS_EMBEDDED && 269 outjd->bJackType != USB_MS_EXTERNAL))) 270 return -ENODEV; 271 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); 272 } 273 274 static int create_roland_midi_quirk(struct snd_usb_audio *chip, 275 struct usb_interface *iface, 276 struct usb_driver *driver, 277 struct usb_host_interface *alts) 278 { 279 static const struct snd_usb_audio_quirk roland_midi_quirk = { 280 .type = QUIRK_MIDI_ROLAND 281 }; 282 u8 *roland_desc = NULL; 283 284 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ 285 for (;;) { 286 roland_desc = snd_usb_find_csint_desc(alts->extra, 287 alts->extralen, 288 roland_desc, 0xf1); 289 if (!roland_desc) 290 return -ENODEV; 291 if (roland_desc[0] < 6 || roland_desc[3] != 2) 292 continue; 293 return create_any_midi_quirk(chip, iface, driver, 294 &roland_midi_quirk); 295 } 296 } 297 298 static int create_std_midi_quirk(struct snd_usb_audio *chip, 299 struct usb_interface *iface, 300 struct usb_driver *driver, 301 struct usb_host_interface *alts) 302 { 303 struct usb_ms_header_descriptor *mshd; 304 struct usb_ms_endpoint_descriptor *msepd; 305 306 /* must have the MIDIStreaming interface header descriptor*/ 307 mshd = (struct usb_ms_header_descriptor *)alts->extra; 308 if (alts->extralen < 7 || 309 mshd->bLength < 7 || 310 mshd->bDescriptorType != USB_DT_CS_INTERFACE || 311 mshd->bDescriptorSubtype != USB_MS_HEADER) 312 return -ENODEV; 313 /* must have the MIDIStreaming endpoint descriptor*/ 314 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; 315 if (alts->endpoint[0].extralen < 4 || 316 msepd->bLength < 4 || 317 msepd->bDescriptorType != USB_DT_CS_ENDPOINT || 318 msepd->bDescriptorSubtype != UAC_MS_GENERAL || 319 msepd->bNumEmbMIDIJack < 1 || 320 msepd->bNumEmbMIDIJack > 16) 321 return -ENODEV; 322 323 return create_any_midi_quirk(chip, iface, driver, NULL); 324 } 325 326 static int create_auto_midi_quirk(struct snd_usb_audio *chip, 327 struct usb_interface *iface, 328 struct usb_driver *driver) 329 { 330 struct usb_host_interface *alts; 331 struct usb_interface_descriptor *altsd; 332 struct usb_endpoint_descriptor *epd; 333 int err; 334 335 alts = &iface->altsetting[0]; 336 altsd = get_iface_desc(alts); 337 338 /* must have at least one bulk/interrupt endpoint for streaming */ 339 if (altsd->bNumEndpoints < 1) 340 return -ENODEV; 341 epd = get_endpoint(alts, 0); 342 if (!usb_endpoint_xfer_bulk(epd) && 343 !usb_endpoint_xfer_int(epd)) 344 return -ENODEV; 345 346 switch (USB_ID_VENDOR(chip->usb_id)) { 347 case 0x0499: /* Yamaha */ 348 err = create_yamaha_midi_quirk(chip, iface, driver, alts); 349 if (err != -ENODEV) 350 return err; 351 break; 352 case 0x0582: /* Roland */ 353 err = create_roland_midi_quirk(chip, iface, driver, alts); 354 if (err != -ENODEV) 355 return err; 356 break; 357 } 358 359 return create_std_midi_quirk(chip, iface, driver, alts); 360 } 361 362 static int create_autodetect_quirk(struct snd_usb_audio *chip, 363 struct usb_interface *iface, 364 struct usb_driver *driver) 365 { 366 int err; 367 368 err = create_auto_pcm_quirk(chip, iface, driver); 369 if (err == -ENODEV) 370 err = create_auto_midi_quirk(chip, iface, driver); 371 return err; 372 } 373 374 static int create_autodetect_quirks(struct snd_usb_audio *chip, 375 struct usb_interface *iface, 376 struct usb_driver *driver, 377 const struct snd_usb_audio_quirk *quirk) 378 { 379 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 380 int ifcount, ifnum, err; 381 382 err = create_autodetect_quirk(chip, iface, driver); 383 if (err < 0) 384 return err; 385 386 /* 387 * ALSA PCM playback/capture devices cannot be registered in two steps, 388 * so we have to claim the other corresponding interface here. 389 */ 390 ifcount = chip->dev->actconfig->desc.bNumInterfaces; 391 for (ifnum = 0; ifnum < ifcount; ifnum++) { 392 if (ifnum == probed_ifnum || quirk->ifnum >= 0) 393 continue; 394 iface = usb_ifnum_to_if(chip->dev, ifnum); 395 if (!iface || 396 usb_interface_claimed(iface) || 397 get_iface_desc(iface->altsetting)->bInterfaceClass != 398 USB_CLASS_VENDOR_SPEC) 399 continue; 400 401 err = create_autodetect_quirk(chip, iface, driver); 402 if (err >= 0) 403 usb_driver_claim_interface(driver, iface, (void *)-1L); 404 } 405 406 return 0; 407 } 408 409 /* 410 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 411 * The only way to detect the sample rate is by looking at wMaxPacketSize. 412 */ 413 static int create_uaxx_quirk(struct snd_usb_audio *chip, 414 struct usb_interface *iface, 415 struct usb_driver *driver, 416 const struct snd_usb_audio_quirk *quirk) 417 { 418 static const struct audioformat ua_format = { 419 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 420 .channels = 2, 421 .fmt_type = UAC_FORMAT_TYPE_I, 422 .altsetting = 1, 423 .altset_idx = 1, 424 .rates = SNDRV_PCM_RATE_CONTINUOUS, 425 }; 426 struct usb_host_interface *alts; 427 struct usb_interface_descriptor *altsd; 428 struct audioformat *fp; 429 int stream, err; 430 431 /* both PCM and MIDI interfaces have 2 or more altsettings */ 432 if (iface->num_altsetting < 2) 433 return -ENXIO; 434 alts = &iface->altsetting[1]; 435 altsd = get_iface_desc(alts); 436 437 if (altsd->bNumEndpoints == 2) { 438 static const struct snd_usb_midi_endpoint_info ua700_ep = { 439 .out_cables = 0x0003, 440 .in_cables = 0x0003 441 }; 442 static const struct snd_usb_audio_quirk ua700_quirk = { 443 .type = QUIRK_MIDI_FIXED_ENDPOINT, 444 .data = &ua700_ep 445 }; 446 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 447 .out_cables = 0x0001, 448 .in_cables = 0x0001 449 }; 450 static const struct snd_usb_audio_quirk uaxx_quirk = { 451 .type = QUIRK_MIDI_FIXED_ENDPOINT, 452 .data = &uaxx_ep 453 }; 454 const struct snd_usb_audio_quirk *quirk = 455 chip->usb_id == USB_ID(0x0582, 0x002b) 456 ? &ua700_quirk : &uaxx_quirk; 457 return __snd_usbmidi_create(chip->card, iface, 458 &chip->midi_list, quirk, 459 chip->usb_id); 460 } 461 462 if (altsd->bNumEndpoints != 1) 463 return -ENXIO; 464 465 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 466 if (!fp) 467 return -ENOMEM; 468 469 fp->iface = altsd->bInterfaceNumber; 470 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 471 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 472 fp->datainterval = 0; 473 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 474 INIT_LIST_HEAD(&fp->list); 475 476 switch (fp->maxpacksize) { 477 case 0x120: 478 fp->rate_max = fp->rate_min = 44100; 479 break; 480 case 0x138: 481 case 0x140: 482 fp->rate_max = fp->rate_min = 48000; 483 break; 484 case 0x258: 485 case 0x260: 486 fp->rate_max = fp->rate_min = 96000; 487 break; 488 default: 489 usb_audio_err(chip, "unknown sample rate\n"); 490 kfree(fp); 491 return -ENXIO; 492 } 493 494 stream = (fp->endpoint & USB_DIR_IN) 495 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 496 err = snd_usb_add_audio_stream(chip, stream, fp); 497 if (err < 0) { 498 list_del(&fp->list); /* unlink for avoiding double-free */ 499 kfree(fp); 500 return err; 501 } 502 usb_set_interface(chip->dev, fp->iface, 0); 503 return 0; 504 } 505 506 /* 507 * Create a standard mixer for the specified interface. 508 */ 509 static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 510 struct usb_interface *iface, 511 struct usb_driver *driver, 512 const struct snd_usb_audio_quirk *quirk) 513 { 514 if (quirk->ifnum < 0) 515 return 0; 516 517 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 518 } 519 520 /* 521 * audio-interface quirks 522 * 523 * returns zero if no standard audio/MIDI parsing is needed. 524 * returns a positive value if standard audio/midi interfaces are parsed 525 * after this. 526 * returns a negative value at error. 527 */ 528 int snd_usb_create_quirk(struct snd_usb_audio *chip, 529 struct usb_interface *iface, 530 struct usb_driver *driver, 531 const struct snd_usb_audio_quirk *quirk) 532 { 533 typedef int (*quirk_func_t)(struct snd_usb_audio *, 534 struct usb_interface *, 535 struct usb_driver *, 536 const struct snd_usb_audio_quirk *); 537 static const quirk_func_t quirk_funcs[] = { 538 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 539 [QUIRK_COMPOSITE] = create_composite_quirk, 540 [QUIRK_AUTODETECT] = create_autodetect_quirks, 541 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 542 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 543 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 544 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, 545 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 546 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 547 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 548 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 549 [QUIRK_MIDI_CME] = create_any_midi_quirk, 550 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 551 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 552 [QUIRK_MIDI_CH345] = create_any_midi_quirk, 553 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 554 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 555 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 556 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 557 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 558 }; 559 560 if (quirk->type < QUIRK_TYPE_COUNT) { 561 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 562 } else { 563 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); 564 return -ENXIO; 565 } 566 } 567 568 /* 569 * boot quirks 570 */ 571 572 #define EXTIGY_FIRMWARE_SIZE_OLD 794 573 #define EXTIGY_FIRMWARE_SIZE_NEW 483 574 575 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 576 { 577 struct usb_host_config *config = dev->actconfig; 578 int err; 579 580 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 581 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 582 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); 583 /* Send message to force it to reconnect with full interface. */ 584 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 585 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 586 if (err < 0) 587 dev_dbg(&dev->dev, "error sending boot message: %d\n", err); 588 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 589 &dev->descriptor, sizeof(dev->descriptor)); 590 config = dev->actconfig; 591 if (err < 0) 592 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 593 err = usb_reset_configuration(dev); 594 if (err < 0) 595 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 596 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", 597 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 598 return -ENODEV; /* quit this anyway */ 599 } 600 return 0; 601 } 602 603 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 604 { 605 u8 buf = 1; 606 607 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 608 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 609 0, 0, &buf, 1); 610 if (buf == 0) { 611 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 612 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 613 1, 2000, NULL, 0); 614 return -ENODEV; 615 } 616 return 0; 617 } 618 619 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 620 { 621 int err; 622 623 if (dev->actconfig->desc.bConfigurationValue == 1) { 624 dev_info(&dev->dev, 625 "Fast Track Pro switching to config #2\n"); 626 /* This function has to be available by the usb core module. 627 * if it is not avialable the boot quirk has to be left out 628 * and the configuration has to be set by udev or hotplug 629 * rules 630 */ 631 err = usb_driver_set_configuration(dev, 2); 632 if (err < 0) 633 dev_dbg(&dev->dev, 634 "error usb_driver_set_configuration: %d\n", 635 err); 636 /* Always return an error, so that we stop creating a device 637 that will just be destroyed and recreated with a new 638 configuration */ 639 return -ENODEV; 640 } else 641 dev_info(&dev->dev, "Fast Track Pro config OK\n"); 642 643 return 0; 644 } 645 646 /* 647 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 648 * documented in the device's data sheet. 649 */ 650 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 651 { 652 u8 buf[4]; 653 buf[0] = 0x20; 654 buf[1] = value & 0xff; 655 buf[2] = (value >> 8) & 0xff; 656 buf[3] = reg; 657 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 658 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 659 0, 0, &buf, 4); 660 } 661 662 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 663 { 664 /* 665 * Enable line-out driver mode, set headphone source to front 666 * channels, enable stereo mic. 667 */ 668 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 669 } 670 671 /* 672 * C-Media CM6206 is based on CM106 with two additional 673 * registers that are not documented in the data sheet. 674 * Values here are chosen based on sniffing USB traffic 675 * under Windows. 676 */ 677 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 678 { 679 int err = 0, reg; 680 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; 681 682 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 683 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 684 if (err < 0) 685 return err; 686 } 687 688 return err; 689 } 690 691 /* quirk for Plantronics GameCom 780 with CM6302 chip */ 692 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) 693 { 694 /* set the initial volume and don't change; other values are either 695 * too loud or silent due to firmware bug (bko#65251) 696 */ 697 u8 buf[2] = { 0x74, 0xe3 }; 698 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 699 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 700 UAC_FU_VOLUME << 8, 9 << 8, buf, 2); 701 } 702 703 /* 704 * Novation Twitch DJ controller 705 * Focusrite Novation Saffire 6 USB audio card 706 */ 707 static int snd_usb_novation_boot_quirk(struct usb_device *dev) 708 { 709 /* preemptively set up the device because otherwise the 710 * raw MIDI endpoints are not active */ 711 usb_set_interface(dev, 0, 1); 712 return 0; 713 } 714 715 /* 716 * This call will put the synth in "USB send" mode, i.e it will send MIDI 717 * messages through USB (this is disabled at startup). The synth will 718 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 719 * sign on its LCD. Values here are chosen based on sniffing USB traffic 720 * under Windows. 721 */ 722 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 723 { 724 int err, actual_length; 725 726 /* "midi send" enable */ 727 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 728 729 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 730 if (!buf) 731 return -ENOMEM; 732 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 733 ARRAY_SIZE(seq), &actual_length, 1000); 734 kfree(buf); 735 if (err < 0) 736 return err; 737 738 return 0; 739 } 740 741 /* 742 * Some sound cards from Native Instruments are in fact compliant to the USB 743 * audio standard of version 2 and other approved USB standards, even though 744 * they come up as vendor-specific device when first connected. 745 * 746 * However, they can be told to come up with a new set of descriptors 747 * upon their next enumeration, and the interfaces announced by the new 748 * descriptors will then be handled by the kernel's class drivers. As the 749 * product ID will also change, no further checks are required. 750 */ 751 752 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 753 { 754 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 755 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 756 1, 0, NULL, 0, 1000); 757 758 if (ret < 0) 759 return ret; 760 761 usb_reset_device(dev); 762 763 /* return -EAGAIN, so the creation of an audio interface for this 764 * temporary device is aborted. The device will reconnect with a 765 * new product ID */ 766 return -EAGAIN; 767 } 768 769 static void mbox2_setup_48_24_magic(struct usb_device *dev) 770 { 771 u8 srate[3]; 772 u8 temp[12]; 773 774 /* Choose 48000Hz permanently */ 775 srate[0] = 0x80; 776 srate[1] = 0xbb; 777 srate[2] = 0x00; 778 779 /* Send the magic! */ 780 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 781 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); 782 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 783 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); 784 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 785 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); 786 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 787 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); 788 return; 789 } 790 791 /* Digidesign Mbox 2 needs to load firmware onboard 792 * and driver must wait a few seconds for initialisation. 793 */ 794 795 #define MBOX2_FIRMWARE_SIZE 646 796 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ 797 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ 798 799 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) 800 { 801 struct usb_host_config *config = dev->actconfig; 802 int err; 803 u8 bootresponse[0x12]; 804 int fwsize; 805 int count; 806 807 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); 808 809 if (fwsize != MBOX2_FIRMWARE_SIZE) { 810 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); 811 return -ENODEV; 812 } 813 814 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); 815 816 count = 0; 817 bootresponse[0] = MBOX2_BOOT_LOADING; 818 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { 819 msleep(500); /* 0.5 second delay */ 820 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 821 /* Control magic - load onboard firmware */ 822 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); 823 if (bootresponse[0] == MBOX2_BOOT_READY) 824 break; 825 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); 826 count++; 827 } 828 829 if (bootresponse[0] != MBOX2_BOOT_READY) { 830 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); 831 return -ENODEV; 832 } 833 834 dev_dbg(&dev->dev, "device initialised!\n"); 835 836 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 837 &dev->descriptor, sizeof(dev->descriptor)); 838 config = dev->actconfig; 839 if (err < 0) 840 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 841 842 err = usb_reset_configuration(dev); 843 if (err < 0) 844 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 845 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", 846 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 847 848 mbox2_setup_48_24_magic(dev); 849 850 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); 851 852 return 0; /* Successful boot */ 853 } 854 855 /* 856 * Setup quirks 857 */ 858 #define MAUDIO_SET 0x01 /* parse device_setup */ 859 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 860 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 861 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 862 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 863 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 864 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 865 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 866 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 867 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 868 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 869 870 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 871 int iface, int altno) 872 { 873 /* Reset ALL ifaces to 0 altsetting. 874 * Call it for every possible altsetting of every interface. 875 */ 876 usb_set_interface(chip->dev, iface, 0); 877 if (chip->setup & MAUDIO_SET) { 878 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 879 if (iface != 1 && iface != 2) 880 return 1; /* skip all interfaces but 1 and 2 */ 881 } else { 882 unsigned int mask; 883 if (iface == 1 || iface == 2) 884 return 1; /* skip interfaces 1 and 2 */ 885 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 886 return 1; /* skip this altsetting */ 887 mask = chip->setup & MAUDIO_SET_MASK; 888 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 889 return 1; /* skip this altsetting */ 890 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 891 return 1; /* skip this altsetting */ 892 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 893 return 1; /* skip this altsetting */ 894 } 895 } 896 usb_audio_dbg(chip, 897 "using altsetting %d for interface %d config %d\n", 898 altno, iface, chip->setup); 899 return 0; /* keep this altsetting */ 900 } 901 902 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 903 int iface, 904 int altno) 905 { 906 /* Reset ALL ifaces to 0 altsetting. 907 * Call it for every possible altsetting of every interface. 908 */ 909 usb_set_interface(chip->dev, iface, 0); 910 911 if (chip->setup & MAUDIO_SET) { 912 unsigned int mask; 913 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 914 return 1; /* skip this altsetting */ 915 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 916 return 1; /* skip this altsetting */ 917 mask = chip->setup & MAUDIO_SET_MASK; 918 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 919 return 1; /* skip this altsetting */ 920 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 921 return 1; /* skip this altsetting */ 922 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 923 return 1; /* skip this altsetting */ 924 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 925 return 1; /* skip this altsetting */ 926 } 927 928 return 0; /* keep this altsetting */ 929 } 930 931 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 932 int iface, int altno) 933 { 934 /* Reset ALL ifaces to 0 altsetting. 935 * Call it for every possible altsetting of every interface. 936 */ 937 usb_set_interface(chip->dev, iface, 0); 938 939 /* possible configuration where both inputs and only one output is 940 *used is not supported by the current setup 941 */ 942 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 943 if (chip->setup & MAUDIO_SET_96K) { 944 if (altno != 3 && altno != 6) 945 return 1; 946 } else if (chip->setup & MAUDIO_SET_DI) { 947 if (iface == 4) 948 return 1; /* no analog input */ 949 if (altno != 2 && altno != 5) 950 return 1; /* enable only altsets 2 and 5 */ 951 } else { 952 if (iface == 5) 953 return 1; /* disable digialt input */ 954 if (altno != 2 && altno != 5) 955 return 1; /* enalbe only altsets 2 and 5 */ 956 } 957 } else { 958 /* keep only 16-Bit mode */ 959 if (altno != 1) 960 return 1; 961 } 962 963 usb_audio_dbg(chip, 964 "using altsetting %d for interface %d config %d\n", 965 altno, iface, chip->setup); 966 return 0; /* keep this altsetting */ 967 } 968 969 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 970 int iface, 971 int altno) 972 { 973 /* audiophile usb: skip altsets incompatible with device_setup */ 974 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 975 return audiophile_skip_setting_quirk(chip, iface, altno); 976 /* quattro usb: skip altsets incompatible with device_setup */ 977 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 978 return quattro_skip_setting_quirk(chip, iface, altno); 979 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 980 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 981 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 982 983 return 0; 984 } 985 986 int snd_usb_apply_boot_quirk(struct usb_device *dev, 987 struct usb_interface *intf, 988 const struct snd_usb_audio_quirk *quirk, 989 unsigned int id) 990 { 991 switch (id) { 992 case USB_ID(0x041e, 0x3000): 993 /* SB Extigy needs special boot-up sequence */ 994 /* if more models come, this will go to the quirk list. */ 995 return snd_usb_extigy_boot_quirk(dev, intf); 996 997 case USB_ID(0x041e, 0x3020): 998 /* SB Audigy 2 NX needs its own boot-up magic, too */ 999 return snd_usb_audigy2nx_boot_quirk(dev); 1000 1001 case USB_ID(0x10f5, 0x0200): 1002 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 1003 return snd_usb_cm106_boot_quirk(dev); 1004 1005 case USB_ID(0x0d8c, 0x0102): 1006 /* C-Media CM6206 / CM106-Like Sound Device */ 1007 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1008 return snd_usb_cm6206_boot_quirk(dev); 1009 1010 case USB_ID(0x0dba, 0x3000): 1011 /* Digidesign Mbox 2 */ 1012 return snd_usb_mbox2_boot_quirk(dev); 1013 1014 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1015 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1016 return snd_usb_novation_boot_quirk(dev); 1017 1018 case USB_ID(0x133e, 0x0815): 1019 /* Access Music VirusTI Desktop */ 1020 return snd_usb_accessmusic_boot_quirk(dev); 1021 1022 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1023 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1024 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1025 return snd_usb_nativeinstruments_boot_quirk(dev); 1026 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1027 return snd_usb_fasttrackpro_boot_quirk(dev); 1028 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1029 return snd_usb_gamecon780_boot_quirk(dev); 1030 } 1031 1032 return 0; 1033 } 1034 1035 /* 1036 * check if the device uses big-endian samples 1037 */ 1038 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1039 { 1040 /* it depends on altsetting whether the device is big-endian or not */ 1041 switch (chip->usb_id) { 1042 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1043 if (fp->altsetting == 2 || fp->altsetting == 3 || 1044 fp->altsetting == 5 || fp->altsetting == 6) 1045 return 1; 1046 break; 1047 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1048 if (chip->setup == 0x00 || 1049 fp->altsetting == 1 || fp->altsetting == 2 || 1050 fp->altsetting == 3) 1051 return 1; 1052 break; 1053 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1054 if (fp->altsetting == 2 || fp->altsetting == 3 || 1055 fp->altsetting == 5 || fp->altsetting == 6) 1056 return 1; 1057 break; 1058 } 1059 return 0; 1060 } 1061 1062 /* 1063 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1064 * not for interface. 1065 */ 1066 1067 enum { 1068 EMU_QUIRK_SR_44100HZ = 0, 1069 EMU_QUIRK_SR_48000HZ, 1070 EMU_QUIRK_SR_88200HZ, 1071 EMU_QUIRK_SR_96000HZ, 1072 EMU_QUIRK_SR_176400HZ, 1073 EMU_QUIRK_SR_192000HZ 1074 }; 1075 1076 static void set_format_emu_quirk(struct snd_usb_substream *subs, 1077 struct audioformat *fmt) 1078 { 1079 unsigned char emu_samplerate_id = 0; 1080 1081 /* When capture is active 1082 * sample rate shouldn't be changed 1083 * by playback substream 1084 */ 1085 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1086 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1087 return; 1088 } 1089 1090 switch (fmt->rate_min) { 1091 case 48000: 1092 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1093 break; 1094 case 88200: 1095 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1096 break; 1097 case 96000: 1098 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1099 break; 1100 case 176400: 1101 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1102 break; 1103 case 192000: 1104 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1105 break; 1106 default: 1107 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1108 break; 1109 } 1110 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1111 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1112 } 1113 1114 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1115 struct audioformat *fmt) 1116 { 1117 switch (subs->stream->chip->usb_id) { 1118 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1119 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1120 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1121 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1122 set_format_emu_quirk(subs, fmt); 1123 break; 1124 } 1125 } 1126 1127 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1128 { 1129 /* devices which do not support reading the sample rate. */ 1130 switch (chip->usb_id) { 1131 case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */ 1132 case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */ 1133 case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */ 1134 case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */ 1135 case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */ 1136 case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */ 1137 case USB_ID(0x047F, 0x0415): /* Plantronics BT-300 */ 1138 case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */ 1139 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ 1140 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */ 1141 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1142 case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */ 1143 case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */ 1144 case USB_ID(0x1de7, 0x0114): /* Phoenix Audio MT202pcs */ 1145 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ 1146 return true; 1147 } 1148 return false; 1149 } 1150 1151 /* Marantz/Denon USB DACs need a vendor cmd to switch 1152 * between PCM and native DSD mode 1153 */ 1154 static bool is_marantz_denon_dac(unsigned int id) 1155 { 1156 switch (id) { 1157 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1158 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1159 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1160 return true; 1161 } 1162 return false; 1163 } 1164 1165 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1166 struct audioformat *fmt) 1167 { 1168 struct usb_device *dev = subs->dev; 1169 int err; 1170 1171 if (is_marantz_denon_dac(subs->stream->chip->usb_id)) { 1172 /* First switch to alt set 0, otherwise the mode switch cmd 1173 * will not be accepted by the DAC 1174 */ 1175 err = usb_set_interface(dev, fmt->iface, 0); 1176 if (err < 0) 1177 return err; 1178 1179 mdelay(20); /* Delay needed after setting the interface */ 1180 1181 switch (fmt->altsetting) { 1182 case 2: /* DSD mode requested */ 1183 case 1: /* PCM mode requested */ 1184 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1185 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1186 fmt->altsetting - 1, 1, NULL, 0); 1187 if (err < 0) 1188 return err; 1189 break; 1190 } 1191 mdelay(20); 1192 } 1193 return 0; 1194 } 1195 1196 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1197 { 1198 /* 1199 * "Playback Design" products send bogus feedback data at the start 1200 * of the stream. Ignore them. 1201 */ 1202 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && 1203 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1204 ep->skip_packets = 4; 1205 1206 /* 1207 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1208 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1209 * the stream is (re)started. When skipping packets 16 at endpoint 1210 * start up, the real world latency is stable within +/- 1 frame (also 1211 * across power cycles). 1212 */ 1213 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1214 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1215 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1216 ep->skip_packets = 16; 1217 } 1218 1219 void snd_usb_set_interface_quirk(struct usb_device *dev) 1220 { 1221 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1222 1223 if (!chip) 1224 return; 1225 /* 1226 * "Playback Design" products need a 50ms delay after setting the 1227 * USB interface. 1228 */ 1229 switch (USB_ID_VENDOR(chip->usb_id)) { 1230 case 0x23ba: /* Playback Design */ 1231 case 0x0644: /* TEAC Corp. */ 1232 mdelay(50); 1233 break; 1234 } 1235 } 1236 1237 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ 1238 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1239 __u8 request, __u8 requesttype, __u16 value, 1240 __u16 index, void *data, __u16 size) 1241 { 1242 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); 1243 1244 if (!chip) 1245 return; 1246 /* 1247 * "Playback Design" products need a 20ms delay after each 1248 * class compliant request 1249 */ 1250 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && 1251 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1252 mdelay(20); 1253 1254 /* 1255 * "TEAC Corp." products need a 20ms delay after each 1256 * class compliant request 1257 */ 1258 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 && 1259 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1260 mdelay(20); 1261 1262 /* Marantz/Denon devices with USB DAC functionality need a delay 1263 * after each class compliant request 1264 */ 1265 if (is_marantz_denon_dac(chip->usb_id) 1266 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1267 mdelay(20); 1268 1269 /* Zoom R16/24 needs a tiny delay here, otherwise requests like 1270 * get/set frequency return as failed despite actually succeeding. 1271 */ 1272 if (chip->usb_id == USB_ID(0x1686, 0x00dd) && 1273 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1274 mdelay(1); 1275 } 1276 1277 /* 1278 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1279 * augment the PCM format bit-field for DSD types. The UAC standards 1280 * don't have a designated bit field to denote DSD-capable interfaces, 1281 * hence all hardware that is known to support this format has to be 1282 * listed here. 1283 */ 1284 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1285 struct audioformat *fp, 1286 unsigned int sample_bytes) 1287 { 1288 /* Playback Designs */ 1289 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) { 1290 switch (fp->altsetting) { 1291 case 1: 1292 fp->dsd_dop = true; 1293 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1294 case 2: 1295 fp->dsd_bitrev = true; 1296 return SNDRV_PCM_FMTBIT_DSD_U8; 1297 case 3: 1298 fp->dsd_bitrev = true; 1299 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1300 } 1301 } 1302 1303 /* XMOS based USB DACs */ 1304 switch (chip->usb_id) { 1305 case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */ 1306 case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */ 1307 case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */ 1308 case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */ 1309 if (fp->altsetting == 2) 1310 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1311 break; 1312 1313 case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */ 1314 case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */ 1315 case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */ 1316 case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */ 1317 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1318 if (fp->altsetting == 3) 1319 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1320 break; 1321 default: 1322 break; 1323 } 1324 1325 /* Denon/Marantz devices with USB DAC functionality */ 1326 if (is_marantz_denon_dac(chip->usb_id)) { 1327 if (fp->altsetting == 2) 1328 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1329 } 1330 1331 return 0; 1332 } 1333