sound/usb/quirks.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  */
   4
   5 #include <linux/init.h>
   6 #include <linux/slab.h>
   7 #include <linux/usb.h>
   8 #include <linux/usb/audio.h>
   9 #include <linux/usb/midi.h>
  10 #include <linux/bits.h>
  11
  12 #include <sound/control.h>
  13 #include <sound/core.h>
  14 #include <sound/info.h>
  15 #include <sound/pcm.h>
  16
  17 #include "usbaudio.h"
  18 #include "card.h"
  19 #include "mixer.h"
  20 #include "mixer_quirks.h"
  21 #include "midi.h"
  22 #include "quirks.h"
  23 #include "helper.h"
  24 #include "endpoint.h"
  25 #include "pcm.h"
  26 #include "clock.h"
  27 #include "stream.h"
  28
  29 /*
  30  * handle the quirks for the contained interfaces
  31  */
  32 static int create_composite_quirk(struct snd_usb_audio *chip,
  33                                   struct usb_interface *iface,
  34                                   struct usb_driver *driver,
  35                                   const struct snd_usb_audio_quirk *quirk_comp)
  36 {
  37         int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
  38         const struct snd_usb_audio_quirk *quirk;
  39         int err;
  40
  41         for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
  42                 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
  43                 if (!iface)
  44                         continue;
  45                 if (quirk->ifnum != probed_ifnum &&
  46                     usb_interface_claimed(iface))
  47                         continue;
  48                 err = snd_usb_create_quirk(chip, iface, driver, quirk);
  49                 if (err < 0)
  50                         return err;
  51         }
  52
  53         for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
  54                 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
  55                 if (!iface)
  56                         continue;
  57                 if (quirk->ifnum != probed_ifnum &&
  58                     !usb_interface_claimed(iface)) {
  59                         err = usb_driver_claim_interface(driver, iface,
  60                                                          USB_AUDIO_IFACE_UNUSED);
  61                         if (err < 0)
  62                                 return err;
  63                 }
  64         }
  65
  66         return 0;
  67 }
  68
  69 static int ignore_interface_quirk(struct snd_usb_audio *chip,
  70                                   struct usb_interface *iface,
  71                                   struct usb_driver *driver,
  72                                   const struct snd_usb_audio_quirk *quirk)
  73 {
  74         return 0;
  75 }
  76
  77
  78 static int create_any_midi_quirk(struct snd_usb_audio *chip,
  79                                  struct usb_interface *intf,
  80                                  struct usb_driver *driver,
  81                                  const struct snd_usb_audio_quirk *quirk)
  82 {
  83         return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk);
  84 }
  85
  86 /*
  87  * create a stream for an interface with proper descriptors
  88  */
  89 static int create_standard_audio_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         struct usb_host_interface *alts;
  95         struct usb_interface_descriptor *altsd;
  96         int err;
  97
  98         alts = &iface->altsetting[0];
  99         altsd = get_iface_desc(alts);
 100         err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
 101         if (err < 0) {
 102                 usb_audio_err(chip, "cannot setup if %d: error %d\n",
 103                            altsd->bInterfaceNumber, err);
 104                 return err;
 105         }
 106         /* reset the current interface */
 107         usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
 108         return 0;
 109 }
 110
 111 /* create the audio stream and the corresponding endpoints from the fixed
 112  * audioformat object; this is used for quirks with the fixed EPs
 113  */
 114 static int add_audio_stream_from_fixed_fmt(struct snd_usb_audio *chip,
 115                                            struct audioformat *fp)
 116 {
 117         int stream, err;
 118
 119         stream = (fp->endpoint & USB_DIR_IN) ?
 120                 SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
 121
 122         snd_usb_audioformat_set_sync_ep(chip, fp);
 123
 124         err = snd_usb_add_audio_stream(chip, stream, fp);
 125         if (err < 0)
 126                 return err;
 127
 128         err = snd_usb_add_endpoint(chip, fp->endpoint,
 129                                    SND_USB_ENDPOINT_TYPE_DATA);
 130         if (err < 0)
 131                 return err;
 132
 133         if (fp->sync_ep) {
 134                 err = snd_usb_add_endpoint(chip, fp->sync_ep,
 135                                            fp->implicit_fb ?
 136                                            SND_USB_ENDPOINT_TYPE_DATA :
 137                                            SND_USB_ENDPOINT_TYPE_SYNC);
 138                 if (err < 0)
 139                         return err;
 140         }
 141
 142         return 0;
 143 }
 144
 145 /*
 146  * create a stream for an endpoint/altsetting without proper descriptors
 147  */
 148 static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
 149                                      struct usb_interface *iface,
 150                                      struct usb_driver *driver,
 151                                      const struct snd_usb_audio_quirk *quirk)
 152 {
 153         struct audioformat *fp;
 154         struct usb_host_interface *alts;
 155         struct usb_interface_descriptor *altsd;
 156         unsigned *rate_table = NULL;
 157         int err;
 158
 159         fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
 160         if (!fp)
 161                 return -ENOMEM;
 162
 163         INIT_LIST_HEAD(&fp->list);
 164         if (fp->nr_rates > MAX_NR_RATES) {
 165                 kfree(fp);
 166                 return -EINVAL;
 167         }
 168         if (fp->nr_rates > 0) {
 169                 rate_table = kmemdup(fp->rate_table,
 170                                      sizeof(int) * fp->nr_rates, GFP_KERNEL);
 171                 if (!rate_table) {
 172                         kfree(fp);
 173                         return -ENOMEM;
 174                 }
 175                 fp->rate_table = rate_table;
 176         }
 177
 178         if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
 179             fp->altset_idx >= iface->num_altsetting) {
 180                 err = -EINVAL;
 181                 goto error;
 182         }
 183         alts = &iface->altsetting[fp->altset_idx];
 184         altsd = get_iface_desc(alts);
 185         if (altsd->bNumEndpoints <= fp->ep_idx) {
 186                 err = -EINVAL;
 187                 goto error;
 188         }
 189
 190         fp->protocol = altsd->bInterfaceProtocol;
 191
 192         if (fp->datainterval == 0)
 193                 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
 194         if (fp->maxpacksize == 0)
 195                 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, fp->ep_idx)->wMaxPacketSize);
 196         if (!fp->fmt_type)
 197                 fp->fmt_type = UAC_FORMAT_TYPE_I;
 198
 199         err = add_audio_stream_from_fixed_fmt(chip, fp);
 200         if (err < 0)
 201                 goto error;
 202
 203         usb_set_interface(chip->dev, fp->iface, 0);
 204         snd_usb_init_pitch(chip, fp);
 205         snd_usb_init_sample_rate(chip, fp, fp->rate_max);
 206         return 0;
 207
 208  error:
 209         list_del(&fp->list); /* unlink for avoiding double-free */
 210         kfree(fp);
 211         kfree(rate_table);
 212         return err;
 213 }
 214
 215 static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
 216                                  struct usb_interface *iface,
 217                                  struct usb_driver *driver)
 218 {
 219         struct usb_host_interface *alts;
 220         struct usb_interface_descriptor *altsd;
 221         struct usb_endpoint_descriptor *epd;
 222         struct uac1_as_header_descriptor *ashd;
 223         struct uac_format_type_i_discrete_descriptor *fmtd;
 224
 225         /*
 226          * Most Roland/Yamaha audio streaming interfaces have more or less
 227          * standard descriptors, but older devices might lack descriptors, and
 228          * future ones might change, so ensure that we fail silently if the
 229          * interface doesn't look exactly right.
 230          */
 231
 232         /* must have a non-zero altsetting for streaming */
 233         if (iface->num_altsetting < 2)
 234                 return -ENODEV;
 235         alts = &iface->altsetting[1];
 236         altsd = get_iface_desc(alts);
 237
 238         /* must have an isochronous endpoint for streaming */
 239         if (altsd->bNumEndpoints < 1)
 240                 return -ENODEV;
 241         epd = get_endpoint(alts, 0);
 242         if (!usb_endpoint_xfer_isoc(epd))
 243                 return -ENODEV;
 244
 245         /* must have format descriptors */
 246         ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
 247                                        UAC_AS_GENERAL);
 248         fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
 249                                        UAC_FORMAT_TYPE);
 250         if (!ashd || ashd->bLength < 7 ||
 251             !fmtd || fmtd->bLength < 8)
 252                 return -ENODEV;
 253
 254         return create_standard_audio_quirk(chip, iface, driver, NULL);
 255 }
 256
 257 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
 258                                     struct usb_interface *iface,
 259                                     struct usb_driver *driver,
 260                                     struct usb_host_interface *alts)
 261 {
 262         static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
 263                 .type = QUIRK_MIDI_YAMAHA
 264         };
 265         struct usb_midi_in_jack_descriptor *injd;
 266         struct usb_midi_out_jack_descriptor *outjd;
 267
 268         /* must have some valid jack descriptors */
 269         injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
 270                                        NULL, USB_MS_MIDI_IN_JACK);
 271         outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
 272                                         NULL, USB_MS_MIDI_OUT_JACK);
 273         if (!injd && !outjd)
 274                 return -ENODEV;
 275         if ((injd && !snd_usb_validate_midi_desc(injd)) ||
 276             (outjd && !snd_usb_validate_midi_desc(outjd)))
 277                 return -ENODEV;
 278         if (injd && (injd->bLength < 5 ||
 279                      (injd->bJackType != USB_MS_EMBEDDED &&
 280                       injd->bJackType != USB_MS_EXTERNAL)))
 281                 return -ENODEV;
 282         if (outjd && (outjd->bLength < 6 ||
 283                       (outjd->bJackType != USB_MS_EMBEDDED &&
 284                        outjd->bJackType != USB_MS_EXTERNAL)))
 285                 return -ENODEV;
 286         return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
 287 }
 288
 289 static int create_roland_midi_quirk(struct snd_usb_audio *chip,
 290                                     struct usb_interface *iface,
 291                                     struct usb_driver *driver,
 292                                     struct usb_host_interface *alts)
 293 {
 294         static const struct snd_usb_audio_quirk roland_midi_quirk = {
 295                 .type = QUIRK_MIDI_ROLAND
 296         };
 297         u8 *roland_desc = NULL;
 298
 299         /* might have a vendor-specific descriptor <06 24 F1 02 ...> */
 300         for (;;) {
 301                 roland_desc = snd_usb_find_csint_desc(alts->extra,
 302                                                       alts->extralen,
 303                                                       roland_desc, 0xf1);
 304                 if (!roland_desc)
 305                         return -ENODEV;
 306                 if (roland_desc[0] < 6 || roland_desc[3] != 2)
 307                         continue;
 308                 return create_any_midi_quirk(chip, iface, driver,
 309                                              &roland_midi_quirk);
 310         }
 311 }
 312
 313 static int create_std_midi_quirk(struct snd_usb_audio *chip,
 314                                  struct usb_interface *iface,
 315                                  struct usb_driver *driver,
 316                                  struct usb_host_interface *alts)
 317 {
 318         struct usb_ms_header_descriptor *mshd;
 319         struct usb_ms_endpoint_descriptor *msepd;
 320
 321         /* must have the MIDIStreaming interface header descriptor*/
 322         mshd = (struct usb_ms_header_descriptor *)alts->extra;
 323         if (alts->extralen < 7 ||
 324             mshd->bLength < 7 ||
 325             mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
 326             mshd->bDescriptorSubtype != USB_MS_HEADER)
 327                 return -ENODEV;
 328         /* must have the MIDIStreaming endpoint descriptor*/
 329         msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
 330         if (alts->endpoint[0].extralen < 4 ||
 331             msepd->bLength < 4 ||
 332             msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
 333             msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
 334             msepd->bNumEmbMIDIJack < 1 ||
 335             msepd->bNumEmbMIDIJack > 16)
 336                 return -ENODEV;
 337
 338         return create_any_midi_quirk(chip, iface, driver, NULL);
 339 }
 340
 341 static int create_auto_midi_quirk(struct snd_usb_audio *chip,
 342                                   struct usb_interface *iface,
 343                                   struct usb_driver *driver)
 344 {
 345         struct usb_host_interface *alts;
 346         struct usb_interface_descriptor *altsd;
 347         struct usb_endpoint_descriptor *epd;
 348         int err;
 349
 350         alts = &iface->altsetting[0];
 351         altsd = get_iface_desc(alts);
 352
 353         /* must have at least one bulk/interrupt endpoint for streaming */
 354         if (altsd->bNumEndpoints < 1)
 355                 return -ENODEV;
 356         epd = get_endpoint(alts, 0);
 357         if (!usb_endpoint_xfer_bulk(epd) &&
 358             !usb_endpoint_xfer_int(epd))
 359                 return -ENODEV;
 360
 361         switch (USB_ID_VENDOR(chip->usb_id)) {
 362         case 0x0499: /* Yamaha */
 363                 err = create_yamaha_midi_quirk(chip, iface, driver, alts);
 364                 if (err != -ENODEV)
 365                         return err;
 366                 break;
 367         case 0x0582: /* Roland */
 368                 err = create_roland_midi_quirk(chip, iface, driver, alts);
 369                 if (err != -ENODEV)
 370                         return err;
 371                 break;
 372         }
 373
 374         return create_std_midi_quirk(chip, iface, driver, alts);
 375 }
 376
 377 static int create_autodetect_quirk(struct snd_usb_audio *chip,
 378                                    struct usb_interface *iface,
 379                                    struct usb_driver *driver)
 380 {
 381         int err;
 382
 383         err = create_auto_pcm_quirk(chip, iface, driver);
 384         if (err == -ENODEV)
 385                 err = create_auto_midi_quirk(chip, iface, driver);
 386         return err;
 387 }
 388
 389 static int create_autodetect_quirks(struct snd_usb_audio *chip,
 390                                     struct usb_interface *iface,
 391                                     struct usb_driver *driver,
 392                                     const struct snd_usb_audio_quirk *quirk)
 393 {
 394         int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
 395         int ifcount, ifnum, err;
 396
 397         err = create_autodetect_quirk(chip, iface, driver);
 398         if (err < 0)
 399                 return err;
 400
 401         /*
 402          * ALSA PCM playback/capture devices cannot be registered in two steps,
 403          * so we have to claim the other corresponding interface here.
 404          */
 405         ifcount = chip->dev->actconfig->desc.bNumInterfaces;
 406         for (ifnum = 0; ifnum < ifcount; ifnum++) {
 407                 if (ifnum == probed_ifnum || quirk->ifnum >= 0)
 408                         continue;
 409                 iface = usb_ifnum_to_if(chip->dev, ifnum);
 410                 if (!iface ||
 411                     usb_interface_claimed(iface) ||
 412                     get_iface_desc(iface->altsetting)->bInterfaceClass !=
 413                                                         USB_CLASS_VENDOR_SPEC)
 414                         continue;
 415
 416                 err = create_autodetect_quirk(chip, iface, driver);
 417                 if (err >= 0) {
 418                         err = usb_driver_claim_interface(driver, iface,
 419                                                          USB_AUDIO_IFACE_UNUSED);
 420                         if (err < 0)
 421                                 return err;
 422                 }
 423         }
 424
 425         return 0;
 426 }
 427
 428 /*
 429  * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
 430  * The only way to detect the sample rate is by looking at wMaxPacketSize.
 431  */
 432 static int create_uaxx_quirk(struct snd_usb_audio *chip,
 433                              struct usb_interface *iface,
 434                              struct usb_driver *driver,
 435                              const struct snd_usb_audio_quirk *quirk)
 436 {
 437         static const struct audioformat ua_format = {
 438                 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
 439                 .channels = 2,
 440                 .fmt_type = UAC_FORMAT_TYPE_I,
 441                 .altsetting = 1,
 442                 .altset_idx = 1,
 443                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
 444         };
 445         struct usb_host_interface *alts;
 446         struct usb_interface_descriptor *altsd;
 447         struct audioformat *fp;
 448         int err;
 449
 450         /* both PCM and MIDI interfaces have 2 or more altsettings */
 451         if (iface->num_altsetting < 2)
 452                 return -ENXIO;
 453         alts = &iface->altsetting[1];
 454         altsd = get_iface_desc(alts);
 455
 456         if (altsd->bNumEndpoints == 2) {
 457                 static const struct snd_usb_midi_endpoint_info ua700_ep = {
 458                         .out_cables = 0x0003,
 459                         .in_cables  = 0x0003
 460                 };
 461                 static const struct snd_usb_audio_quirk ua700_quirk = {
 462                         .type = QUIRK_MIDI_FIXED_ENDPOINT,
 463                         .data = &ua700_ep
 464                 };
 465                 static const struct snd_usb_midi_endpoint_info uaxx_ep = {
 466                         .out_cables = 0x0001,
 467                         .in_cables  = 0x0001
 468                 };
 469                 static const struct snd_usb_audio_quirk uaxx_quirk = {
 470                         .type = QUIRK_MIDI_FIXED_ENDPOINT,
 471                         .data = &uaxx_ep
 472                 };
 473                 const struct snd_usb_audio_quirk *quirk =
 474                         chip->usb_id == USB_ID(0x0582, 0x002b)
 475                         ? &ua700_quirk : &uaxx_quirk;
 476                 return __snd_usbmidi_create(chip->card, iface,
 477                                           &chip->midi_list, quirk,
 478                                           chip->usb_id);
 479         }
 480
 481         if (altsd->bNumEndpoints != 1)
 482                 return -ENXIO;
 483
 484         fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
 485         if (!fp)
 486                 return -ENOMEM;
 487
 488         fp->iface = altsd->bInterfaceNumber;
 489         fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
 490         fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
 491         fp->datainterval = 0;
 492         fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
 493         INIT_LIST_HEAD(&fp->list);
 494
 495         switch (fp->maxpacksize) {
 496         case 0x120:
 497                 fp->rate_max = fp->rate_min = 44100;
 498                 break;
 499         case 0x138:
 500         case 0x140:
 501                 fp->rate_max = fp->rate_min = 48000;
 502                 break;
 503         case 0x258:
 504         case 0x260:
 505                 fp->rate_max = fp->rate_min = 96000;
 506                 break;
 507         default:
 508                 usb_audio_err(chip, "unknown sample rate\n");
 509                 kfree(fp);
 510                 return -ENXIO;
 511         }
 512
 513         err = add_audio_stream_from_fixed_fmt(chip, fp);
 514         if (err < 0) {
 515                 list_del(&fp->list); /* unlink for avoiding double-free */
 516                 kfree(fp);
 517                 return err;
 518         }
 519         usb_set_interface(chip->dev, fp->iface, 0);
 520         return 0;
 521 }
 522
 523 /*
 524  * Create a standard mixer for the specified interface.
 525  */
 526 static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
 527                                        struct usb_interface *iface,
 528                                        struct usb_driver *driver,
 529                                        const struct snd_usb_audio_quirk *quirk)
 530 {
 531         if (quirk->ifnum < 0)
 532                 return 0;
 533
 534         return snd_usb_create_mixer(chip, quirk->ifnum);
 535 }
 536
 537 /*
 538  * audio-interface quirks
 539  *
 540  * returns zero if no standard audio/MIDI parsing is needed.
 541  * returns a positive value if standard audio/midi interfaces are parsed
 542  * after this.
 543  * returns a negative value at error.
 544  */
 545 int snd_usb_create_quirk(struct snd_usb_audio *chip,
 546                          struct usb_interface *iface,
 547                          struct usb_driver *driver,
 548                          const struct snd_usb_audio_quirk *quirk)
 549 {
 550         typedef int (*quirk_func_t)(struct snd_usb_audio *,
 551                                     struct usb_interface *,
 552                                     struct usb_driver *,
 553                                     const struct snd_usb_audio_quirk *);
 554         static const quirk_func_t quirk_funcs[] = {
 555                 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
 556                 [QUIRK_COMPOSITE] = create_composite_quirk,
 557                 [QUIRK_AUTODETECT] = create_autodetect_quirks,
 558                 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
 559                 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
 560                 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
 561                 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
 562                 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
 563                 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
 564                 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
 565                 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
 566                 [QUIRK_MIDI_CME] = create_any_midi_quirk,
 567                 [QUIRK_MIDI_AKAI] = create_any_midi_quirk,
 568                 [QUIRK_MIDI_FTDI] = create_any_midi_quirk,
 569                 [QUIRK_MIDI_CH345] = create_any_midi_quirk,
 570                 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
 571                 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
 572                 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
 573                 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
 574         };
 575
 576         if (quirk->type < QUIRK_TYPE_COUNT) {
 577                 return quirk_funcs[quirk->type](chip, iface, driver, quirk);
 578         } else {
 579                 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
 580                 return -ENXIO;
 581         }
 582 }
 583
 584 /*
 585  * boot quirks
 586  */
 587
 588 #define EXTIGY_FIRMWARE_SIZE_OLD 794
 589 #define EXTIGY_FIRMWARE_SIZE_NEW 483
 590
 591 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
 592 {
 593         struct usb_host_config *config = dev->actconfig;
 594         int err;
 595
 596         if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
 597             le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
 598                 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
 599                 /* Send message to force it to reconnect with full interface. */
 600                 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
 601                                       0x10, 0x43, 0x0001, 0x000a, NULL, 0);
 602                 if (err < 0)
 603                         dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
 604                 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
 605                                 &dev->descriptor, sizeof(dev->descriptor));
 606                 config = dev->actconfig;
 607                 if (err < 0)
 608                         dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
 609                 err = usb_reset_configuration(dev);
 610                 if (err < 0)
 611                         dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
 612                 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
 613                             le16_to_cpu(get_cfg_desc(config)->wTotalLength));
 614                 return -ENODEV; /* quit this anyway */
 615         }
 616         return 0;
 617 }
 618
 619 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
 620 {
 621         u8 buf = 1;
 622
 623         snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
 624                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 625                         0, 0, &buf, 1);
 626         if (buf == 0) {
 627                 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
 628                                 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 629                                 1, 2000, NULL, 0);
 630                 return -ENODEV;
 631         }
 632         return 0;
 633 }
 634
 635 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
 636 {
 637         int err;
 638
 639         if (dev->actconfig->desc.bConfigurationValue == 1) {
 640                 dev_info(&dev->dev,
 641                            "Fast Track Pro switching to config #2\n");
 642                 /* This function has to be available by the usb core module.
 643                  * if it is not avialable the boot quirk has to be left out
 644                  * and the configuration has to be set by udev or hotplug
 645                  * rules
 646                  */
 647                 err = usb_driver_set_configuration(dev, 2);
 648                 if (err < 0)
 649                         dev_dbg(&dev->dev,
 650                                 "error usb_driver_set_configuration: %d\n",
 651                                 err);
 652                 /* Always return an error, so that we stop creating a device
 653                    that will just be destroyed and recreated with a new
 654                    configuration */
 655                 return -ENODEV;
 656         } else
 657                 dev_info(&dev->dev, "Fast Track Pro config OK\n");
 658
 659         return 0;
 660 }
 661
 662 /*
 663  * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
 664  * documented in the device's data sheet.
 665  */
 666 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
 667 {
 668         u8 buf[4];
 669         buf[0] = 0x20;
 670         buf[1] = value & 0xff;
 671         buf[2] = (value >> 8) & 0xff;
 672         buf[3] = reg;
 673         return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
 674                                USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
 675                                0, 0, &buf, 4);
 676 }
 677
 678 static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
 679 {
 680         /*
 681          * Enable line-out driver mode, set headphone source to front
 682          * channels, enable stereo mic.
 683          */
 684         return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
 685 }
 686
 687 /*
 688  * CM6206 registers from the CM6206 datasheet rev 2.1
 689  */
 690 #define CM6206_REG0_DMA_MASTER BIT(15)
 691 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12)
 692 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12)
 693 /* Bit 4 thru 11 is the S/PDIF category code */
 694 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4)
 695 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3)
 696 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2)
 697 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1)
 698 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0)
 699
 700 #define CM6206_REG1_TEST_SEL_CLK BIT(14)
 701 #define CM6206_REG1_PLLBIN_EN BIT(13)
 702 #define CM6206_REG1_SOFT_MUTE_EN BIT(12)
 703 #define CM6206_REG1_GPIO4_OUT BIT(11)
 704 #define CM6206_REG1_GPIO4_OE BIT(10)
 705 #define CM6206_REG1_GPIO3_OUT BIT(9)
 706 #define CM6206_REG1_GPIO3_OE BIT(8)
 707 #define CM6206_REG1_GPIO2_OUT BIT(7)
 708 #define CM6206_REG1_GPIO2_OE BIT(6)
 709 #define CM6206_REG1_GPIO1_OUT BIT(5)
 710 #define CM6206_REG1_GPIO1_OE BIT(4)
 711 #define CM6206_REG1_SPDIFO_INVALID BIT(3)
 712 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2)
 713 #define CM6206_REG1_SPDIFO_DIS BIT(1)
 714 #define CM6206_REG1_SPDIFI_MIX BIT(0)
 715
 716 #define CM6206_REG2_DRIVER_ON BIT(15)
 717 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13)
 718 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13)
 719 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13)
 720 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13)
 721 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12)
 722 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11)
 723 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10)
 724 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9)
 725 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8)
 726 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7)
 727 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6)
 728 #define CM6206_REG2_MUTE_CENTER BIT(5)
 729 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3)
 730 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3)
 731 #define CM6206_REG2_EN_BTL BIT(2)
 732 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0)
 733 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1)
 734 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2)
 735 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3)
 736
 737 /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */
 738 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11)
 739 #define CM6206_REG3_VRAP25EN BIT(10)
 740 #define CM6206_REG3_MSEL1 BIT(9)
 741 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7)
 742 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7)
 743 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7)
 744 #define CM6206_REG3_PINSEL BIT(6)
 745 #define CM6206_REG3_FOE BIT(5)
 746 #define CM6206_REG3_ROE BIT(4)
 747 #define CM6206_REG3_CBOE BIT(3)
 748 #define CM6206_REG3_LOSE BIT(2)
 749 #define CM6206_REG3_HPOE BIT(1)
 750 #define CM6206_REG3_SPDIFI_CANREC BIT(0)
 751
 752 #define CM6206_REG5_DA_RSTN BIT(13)
 753 #define CM6206_REG5_AD_RSTN BIT(12)
 754 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12)
 755 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9)
 756 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9)
 757 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9)
 758 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9)
 759 #define CM6206_REG5_CODECM BIT(8)
 760 #define CM6206_REG5_EN_HPF BIT(7)
 761 #define CM6206_REG5_T_SEL_DSDA4 BIT(6)
 762 #define CM6206_REG5_T_SEL_DSDA3 BIT(5)
 763 #define CM6206_REG5_T_SEL_DSDA2 BIT(4)
 764 #define CM6206_REG5_T_SEL_DSDA1 BIT(3)
 765 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0
 766 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4
 767 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5
 768 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6
 769 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7
 770
 771 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
 772 {
 773         int err  = 0, reg;
 774         int val[] = {
 775                 /*
 776                  * Values here are chosen based on sniffing USB traffic
 777                  * under Windows.
 778                  *
 779                  * REG0: DAC is master, sample rate 48kHz, no copyright
 780                  */
 781                 CM6206_REG0_SPDIFO_RATE_48K |
 782                 CM6206_REG0_SPDIFO_COPYRIGHT_NA,
 783                 /*
 784                  * REG1: PLL binary search enable, soft mute enable.
 785                  */
 786                 CM6206_REG1_PLLBIN_EN |
 787                 CM6206_REG1_SOFT_MUTE_EN,
 788                 /*
 789                  * REG2: enable output drivers,
 790                  * select front channels to the headphone output,
 791                  * then mute the headphone channels, run the MCU
 792                  * at 1.5 MHz.
 793                  */
 794                 CM6206_REG2_DRIVER_ON |
 795                 CM6206_REG2_HEADP_SEL_FRONT_CHANNELS |
 796                 CM6206_REG2_MUTE_HEADPHONE_RIGHT |
 797                 CM6206_REG2_MUTE_HEADPHONE_LEFT,
 798                 /*
 799                  * REG3: default flyspeed, set 2.5V mic bias
 800                  * enable all line out ports and enable SPDIF
 801                  */
 802                 CM6206_REG3_FLYSPEED_DEFAULT |
 803                 CM6206_REG3_VRAP25EN |
 804                 CM6206_REG3_FOE |
 805                 CM6206_REG3_ROE |
 806                 CM6206_REG3_CBOE |
 807                 CM6206_REG3_LOSE |
 808                 CM6206_REG3_HPOE |
 809                 CM6206_REG3_SPDIFI_CANREC,
 810                 /* REG4 is just a bunch of GPIO lines */
 811                 0x0000,
 812                 /* REG5: de-assert AD/DA reset signals */
 813                 CM6206_REG5_DA_RSTN |
 814                 CM6206_REG5_AD_RSTN };
 815
 816         for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
 817                 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
 818                 if (err < 0)
 819                         return err;
 820         }
 821
 822         return err;
 823 }
 824
 825 /* quirk for Plantronics GameCom 780 with CM6302 chip */
 826 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
 827 {
 828         /* set the initial volume and don't change; other values are either
 829          * too loud or silent due to firmware bug (bko#65251)
 830          */
 831         u8 buf[2] = { 0x74, 0xe3 };
 832         return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
 833                         USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 834                         UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
 835 }
 836
 837 /*
 838  * Novation Twitch DJ controller
 839  * Focusrite Novation Saffire 6 USB audio card
 840  */
 841 static int snd_usb_novation_boot_quirk(struct usb_device *dev)
 842 {
 843         /* preemptively set up the device because otherwise the
 844          * raw MIDI endpoints are not active */
 845         usb_set_interface(dev, 0, 1);
 846         return 0;
 847 }
 848
 849 /*
 850  * This call will put the synth in "USB send" mode, i.e it will send MIDI
 851  * messages through USB (this is disabled at startup). The synth will
 852  * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
 853  * sign on its LCD. Values here are chosen based on sniffing USB traffic
 854  * under Windows.
 855  */
 856 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
 857 {
 858         int err, actual_length;
 859         /* "midi send" enable */
 860         static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
 861         void *buf;
 862
 863         if (usb_pipe_type_check(dev, usb_sndintpipe(dev, 0x05)))
 864                 return -EINVAL;
 865         buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
 866         if (!buf)
 867                 return -ENOMEM;
 868         err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
 869                         ARRAY_SIZE(seq), &actual_length, 1000);
 870         kfree(buf);
 871         if (err < 0)
 872                 return err;
 873
 874         return 0;
 875 }
 876
 877 /*
 878  * Some sound cards from Native Instruments are in fact compliant to the USB
 879  * audio standard of version 2 and other approved USB standards, even though
 880  * they come up as vendor-specific device when first connected.
 881  *
 882  * However, they can be told to come up with a new set of descriptors
 883  * upon their next enumeration, and the interfaces announced by the new
 884  * descriptors will then be handled by the kernel's class drivers. As the
 885  * product ID will also change, no further checks are required.
 886  */
 887
 888 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
 889 {
 890         int ret;
 891
 892         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 893                                   0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 894                                   1, 0, NULL, 0, 1000);
 895
 896         if (ret < 0)
 897                 return ret;
 898
 899         usb_reset_device(dev);
 900
 901         /* return -EAGAIN, so the creation of an audio interface for this
 902          * temporary device is aborted. The device will reconnect with a
 903          * new product ID */
 904         return -EAGAIN;
 905 }
 906
 907 static void mbox2_setup_48_24_magic(struct usb_device *dev)
 908 {
 909         u8 srate[3];
 910         u8 temp[12];
 911
 912         /* Choose 48000Hz permanently */
 913         srate[0] = 0x80;
 914         srate[1] = 0xbb;
 915         srate[2] = 0x00;
 916
 917         /* Send the magic! */
 918         snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 919                 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
 920         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 921                 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
 922         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 923                 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
 924         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 925                 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
 926         return;
 927 }
 928
 929 /* Digidesign Mbox 2 needs to load firmware onboard
 930  * and driver must wait a few seconds for initialisation.
 931  */
 932
 933 #define MBOX2_FIRMWARE_SIZE    646
 934 #define MBOX2_BOOT_LOADING     0x01 /* Hard coded into the device */
 935 #define MBOX2_BOOT_READY       0x02 /* Hard coded into the device */
 936
 937 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
 938 {
 939         struct usb_host_config *config = dev->actconfig;
 940         int err;
 941         u8 bootresponse[0x12];
 942         int fwsize;
 943         int count;
 944
 945         fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
 946
 947         if (fwsize != MBOX2_FIRMWARE_SIZE) {
 948                 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
 949                 return -ENODEV;
 950         }
 951
 952         dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
 953
 954         count = 0;
 955         bootresponse[0] = MBOX2_BOOT_LOADING;
 956         while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
 957                 msleep(500); /* 0.5 second delay */
 958                 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 959                         /* Control magic - load onboard firmware */
 960                         0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
 961                 if (bootresponse[0] == MBOX2_BOOT_READY)
 962                         break;
 963                 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
 964                 count++;
 965         }
 966
 967         if (bootresponse[0] != MBOX2_BOOT_READY) {
 968                 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
 969                 return -ENODEV;
 970         }
 971
 972         dev_dbg(&dev->dev, "device initialised!\n");
 973
 974         err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
 975                 &dev->descriptor, sizeof(dev->descriptor));
 976         config = dev->actconfig;
 977         if (err < 0)
 978                 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
 979
 980         err = usb_reset_configuration(dev);
 981         if (err < 0)
 982                 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
 983         dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
 984                 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
 985
 986         mbox2_setup_48_24_magic(dev);
 987
 988         dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
 989
 990         return 0; /* Successful boot */
 991 }
 992
 993 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
 994 {
 995         int err;
 996
 997         dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
 998
 999         /* If the Axe-Fx III has not fully booted, it will timeout when trying
1000          * to enable the audio streaming interface. A more generous timeout is
1001          * used here to detect when the Axe-Fx III has finished booting as the
1002          * set interface message will be acked once it has
1003          */
1004         err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1005                                 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
1006                                 1, 1, NULL, 0, 120000);
1007         if (err < 0) {
1008                 dev_err(&dev->dev,
1009                         "failed waiting for Axe-Fx III to boot: %d\n", err);
1010                 return err;
1011         }
1012
1013         dev_dbg(&dev->dev, "Axe-Fx III is now ready\n");
1014
1015         err = usb_set_interface(dev, 1, 0);
1016         if (err < 0)
1017                 dev_dbg(&dev->dev,
1018                         "error stopping Axe-Fx III interface: %d\n", err);
1019
1020         return 0;
1021 }
1022
1023
1024 #define MICROBOOK_BUF_SIZE 128
1025
1026 static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf,
1027                                                 int buf_size, int *length)
1028 {
1029         int err, actual_length;
1030
1031         if (usb_pipe_type_check(dev, usb_sndintpipe(dev, 0x01)))
1032                 return -EINVAL;
1033         err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length,
1034                                 &actual_length, 1000);
1035         if (err < 0)
1036                 return err;
1037
1038         print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1,
1039                        buf, actual_length, false);
1040
1041         memset(buf, 0, buf_size);
1042
1043         if (usb_pipe_type_check(dev, usb_rcvintpipe(dev, 0x82)))
1044                 return -EINVAL;
1045         err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size,
1046                                 &actual_length, 1000);
1047         if (err < 0)
1048                 return err;
1049
1050         print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1,
1051                        buf, actual_length, false);
1052
1053         *length = actual_length;
1054         return 0;
1055 }
1056
1057 static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev)
1058 {
1059         int err, actual_length, poll_attempts = 0;
1060         static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00,
1061                                                  0x00, 0x00, 0x0b, 0x14,
1062                                                  0x00, 0x00, 0x00, 0x01 };
1063         static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00,
1064                                              0x00, 0x00, 0x0b, 0x18 };
1065         u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL);
1066
1067         if (!buf)
1068                 return -ENOMEM;
1069
1070         dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n");
1071
1072         /* First we tell the device which sample rate to use. */
1073         memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq));
1074         actual_length = sizeof(set_samplerate_seq);
1075         err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE,
1076                                                    &actual_length);
1077
1078         if (err < 0) {
1079                 dev_err(&dev->dev,
1080                         "failed setting the sample rate for Motu MicroBook II: %d\n",
1081                         err);
1082                 goto free_buf;
1083         }
1084
1085         /* Then we poll every 100 ms until the device informs of its readiness. */
1086         while (true) {
1087                 if (++poll_attempts > 100) {
1088                         dev_err(&dev->dev,
1089                                 "failed booting Motu MicroBook II: timeout\n");
1090                         err = -ENODEV;
1091                         goto free_buf;
1092                 }
1093
1094                 memset(buf, 0, MICROBOOK_BUF_SIZE);
1095                 memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq));
1096
1097                 actual_length = sizeof(poll_ready_seq);
1098                 err = snd_usb_motu_microbookii_communicate(
1099                         dev, buf, MICROBOOK_BUF_SIZE, &actual_length);
1100                 if (err < 0) {
1101                         dev_err(&dev->dev,
1102                                 "failed booting Motu MicroBook II: communication error %d\n",
1103                                 err);
1104                         goto free_buf;
1105                 }
1106
1107                 /* the device signals its readiness through a message of the
1108                  * form
1109                  *           XX 06 00 00 00 00 0b 18  00 00 00 01
1110                  * If the device is not yet ready to accept audio data, the
1111                  * last byte of that sequence is 00.
1112                  */
1113                 if (actual_length == 12 && buf[actual_length - 1] == 1)
1114                         break;
1115
1116                 msleep(100);
1117         }
1118
1119         dev_info(&dev->dev, "MOTU MicroBook II ready\n");
1120
1121 free_buf:
1122         kfree(buf);
1123         return err;
1124 }
1125
1126 static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev)
1127 {
1128         msleep(2000);
1129
1130         return 0;
1131 }
1132
1133 /*
1134  * Setup quirks
1135  */
1136 #define MAUDIO_SET              0x01 /* parse device_setup */
1137 #define MAUDIO_SET_COMPATIBLE   0x80 /* use only "win-compatible" interfaces */
1138 #define MAUDIO_SET_DTS          0x02 /* enable DTS Digital Output */
1139 #define MAUDIO_SET_96K          0x04 /* 48-96kHz rate if set, 8-48kHz otherwise */
1140 #define MAUDIO_SET_24B          0x08 /* 24bits sample if set, 16bits otherwise */
1141 #define MAUDIO_SET_DI           0x10 /* enable Digital Input */
1142 #define MAUDIO_SET_MASK         0x1f /* bit mask for setup value */
1143 #define MAUDIO_SET_24B_48K_DI    0x19 /* 24bits+48kHz+Digital Input */
1144 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48kHz+No Digital Input */
1145 #define MAUDIO_SET_16B_48K_DI    0x11 /* 16bits+48kHz+Digital Input */
1146 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48kHz+No Digital Input */
1147
1148 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
1149                                       int iface, int altno)
1150 {
1151         /* Reset ALL ifaces to 0 altsetting.
1152          * Call it for every possible altsetting of every interface.
1153          */
1154         usb_set_interface(chip->dev, iface, 0);
1155         if (chip->setup & MAUDIO_SET) {
1156                 if (chip->setup & MAUDIO_SET_COMPATIBLE) {
1157                         if (iface != 1 && iface != 2)
1158                                 return 1; /* skip all interfaces but 1 and 2 */
1159                 } else {
1160                         unsigned int mask;
1161                         if (iface == 1 || iface == 2)
1162                                 return 1; /* skip interfaces 1 and 2 */
1163                         if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1164                                 return 1; /* skip this altsetting */
1165                         mask = chip->setup & MAUDIO_SET_MASK;
1166                         if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1167                                 return 1; /* skip this altsetting */
1168                         if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1169                                 return 1; /* skip this altsetting */
1170                         if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
1171                                 return 1; /* skip this altsetting */
1172                 }
1173         }
1174         usb_audio_dbg(chip,
1175                     "using altsetting %d for interface %d config %d\n",
1176                     altno, iface, chip->setup);
1177         return 0; /* keep this altsetting */
1178 }
1179
1180 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
1181                                          int iface,
1182                                          int altno)
1183 {
1184         /* Reset ALL ifaces to 0 altsetting.
1185          * Call it for every possible altsetting of every interface.
1186          */
1187         usb_set_interface(chip->dev, iface, 0);
1188
1189         if (chip->setup & MAUDIO_SET) {
1190                 unsigned int mask;
1191                 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
1192                         return 1; /* skip this altsetting */
1193                 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1194                         return 1; /* skip this altsetting */
1195                 mask = chip->setup & MAUDIO_SET_MASK;
1196                 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1197                         return 1; /* skip this altsetting */
1198                 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1199                         return 1; /* skip this altsetting */
1200                 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
1201                         return 1; /* skip this altsetting */
1202                 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
1203                         return 1; /* skip this altsetting */
1204         }
1205
1206         return 0; /* keep this altsetting */
1207 }
1208
1209 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
1210                                            int iface, int altno)
1211 {
1212         /* Reset ALL ifaces to 0 altsetting.
1213          * Call it for every possible altsetting of every interface.
1214          */
1215         usb_set_interface(chip->dev, iface, 0);
1216
1217         /* possible configuration where both inputs and only one output is
1218          *used is not supported by the current setup
1219          */
1220         if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
1221                 if (chip->setup & MAUDIO_SET_96K) {
1222                         if (altno != 3 && altno != 6)
1223                                 return 1;
1224                 } else if (chip->setup & MAUDIO_SET_DI) {
1225                         if (iface == 4)
1226                                 return 1; /* no analog input */
1227                         if (altno != 2 && altno != 5)
1228                                 return 1; /* enable only altsets 2 and 5 */
1229                 } else {
1230                         if (iface == 5)
1231                                 return 1; /* disable digialt input */
1232                         if (altno != 2 && altno != 5)
1233                                 return 1; /* enalbe only altsets 2 and 5 */
1234                 }
1235         } else {
1236                 /* keep only 16-Bit mode */
1237                 if (altno != 1)
1238                         return 1;
1239         }
1240
1241         usb_audio_dbg(chip,
1242                     "using altsetting %d for interface %d config %d\n",
1243                     altno, iface, chip->setup);
1244         return 0; /* keep this altsetting */
1245 }
1246
1247 static int s1810c_skip_setting_quirk(struct snd_usb_audio *chip,
1248                                            int iface, int altno)
1249 {
1250         /*
1251          * Altno settings:
1252          *
1253          * Playback (Interface 1):
1254          * 1: 6 Analog + 2 S/PDIF
1255          * 2: 6 Analog + 2 S/PDIF
1256          * 3: 6 Analog
1257          *
1258          * Capture (Interface 2):
1259          * 1: 8 Analog + 2 S/PDIF + 8 ADAT
1260          * 2: 8 Analog + 2 S/PDIF + 4 ADAT
1261          * 3: 8 Analog
1262          */
1263
1264         /*
1265          * I'll leave 2 as the default one and
1266          * use device_setup to switch to the
1267          * other two.
1268          */
1269         if ((chip->setup == 0 || chip->setup > 2) && altno != 2)
1270                 return 1;
1271         else if (chip->setup == 1 && altno != 1)
1272                 return 1;
1273         else if (chip->setup == 2 && altno != 3)
1274                 return 1;
1275
1276         return 0;
1277 }
1278
1279 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
1280                                   int iface,
1281                                   int altno)
1282 {
1283         /* audiophile usb: skip altsets incompatible with device_setup */
1284         if (chip->usb_id == USB_ID(0x0763, 0x2003))
1285                 return audiophile_skip_setting_quirk(chip, iface, altno);
1286         /* quattro usb: skip altsets incompatible with device_setup */
1287         if (chip->usb_id == USB_ID(0x0763, 0x2001))
1288                 return quattro_skip_setting_quirk(chip, iface, altno);
1289         /* fasttrackpro usb: skip altsets incompatible with device_setup */
1290         if (chip->usb_id == USB_ID(0x0763, 0x2012))
1291                 return fasttrackpro_skip_setting_quirk(chip, iface, altno);
1292         /* presonus studio 1810c: skip altsets incompatible with device_setup */
1293         if (chip->usb_id == USB_ID(0x0194f, 0x010c))
1294                 return s1810c_skip_setting_quirk(chip, iface, altno);
1295
1296
1297         return 0;
1298 }
1299
1300 int snd_usb_apply_boot_quirk(struct usb_device *dev,
1301                              struct usb_interface *intf,
1302                              const struct snd_usb_audio_quirk *quirk,
1303                              unsigned int id)
1304 {
1305         switch (id) {
1306         case USB_ID(0x041e, 0x3000):
1307                 /* SB Extigy needs special boot-up sequence */
1308                 /* if more models come, this will go to the quirk list. */
1309                 return snd_usb_extigy_boot_quirk(dev, intf);
1310
1311         case USB_ID(0x041e, 0x3020):
1312                 /* SB Audigy 2 NX needs its own boot-up magic, too */
1313                 return snd_usb_audigy2nx_boot_quirk(dev);
1314
1315         case USB_ID(0x10f5, 0x0200):
1316                 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1317                 return snd_usb_cm106_boot_quirk(dev);
1318
1319         case USB_ID(0x0d8c, 0x0102):
1320                 /* C-Media CM6206 / CM106-Like Sound Device */
1321         case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1322                 return snd_usb_cm6206_boot_quirk(dev);
1323
1324         case USB_ID(0x0dba, 0x3000):
1325                 /* Digidesign Mbox 2 */
1326                 return snd_usb_mbox2_boot_quirk(dev);
1327
1328         case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1329         case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1330                 return snd_usb_novation_boot_quirk(dev);
1331
1332         case USB_ID(0x133e, 0x0815):
1333                 /* Access Music VirusTI Desktop */
1334                 return snd_usb_accessmusic_boot_quirk(dev);
1335
1336         case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1337         case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1338         case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1339                 return snd_usb_nativeinstruments_boot_quirk(dev);
1340         case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
1341                 return snd_usb_fasttrackpro_boot_quirk(dev);
1342         case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1343                 return snd_usb_gamecon780_boot_quirk(dev);
1344         case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */
1345                 return snd_usb_axefx3_boot_quirk(dev);
1346         case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */
1347                 /*
1348                  * For some reason interface 3 with vendor-spec class is
1349                  * detected on MicroBook IIc.
1350                  */
1351                 if (get_iface_desc(intf->altsetting)->bInterfaceClass ==
1352                     USB_CLASS_VENDOR_SPEC &&
1353                     get_iface_desc(intf->altsetting)->bInterfaceNumber < 3)
1354                         return snd_usb_motu_microbookii_boot_quirk(dev);
1355                 break;
1356         }
1357
1358         return 0;
1359 }
1360
1361 int snd_usb_apply_boot_quirk_once(struct usb_device *dev,
1362                                   struct usb_interface *intf,
1363                                   const struct snd_usb_audio_quirk *quirk,
1364                                   unsigned int id)
1365 {
1366         switch (id) {
1367         case USB_ID(0x07fd, 0x0008): /* MOTU M Series */
1368                 return snd_usb_motu_m_series_boot_quirk(dev);
1369         }
1370
1371         return 0;
1372 }
1373
1374 /*
1375  * check if the device uses big-endian samples
1376  */
1377 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip,
1378                                  const struct audioformat *fp)
1379 {
1380         /* it depends on altsetting whether the device is big-endian or not */
1381         switch (chip->usb_id) {
1382         case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1383                 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1384                         fp->altsetting == 5 || fp->altsetting == 6)
1385                         return 1;
1386                 break;
1387         case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1388                 if (chip->setup == 0x00 ||
1389                         fp->altsetting == 1 || fp->altsetting == 2 ||
1390                         fp->altsetting == 3)
1391                         return 1;
1392                 break;
1393         case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1394                 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1395                         fp->altsetting == 5 || fp->altsetting == 6)
1396                         return 1;
1397                 break;
1398         }
1399         return 0;
1400 }
1401
1402 /*
1403  * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1404  * not for interface.
1405  */
1406
1407 enum {
1408         EMU_QUIRK_SR_44100HZ = 0,
1409         EMU_QUIRK_SR_48000HZ,
1410         EMU_QUIRK_SR_88200HZ,
1411         EMU_QUIRK_SR_96000HZ,
1412         EMU_QUIRK_SR_176400HZ,
1413         EMU_QUIRK_SR_192000HZ
1414 };
1415
1416 static void set_format_emu_quirk(struct snd_usb_substream *subs,
1417                                  const struct audioformat *fmt)
1418 {
1419         unsigned char emu_samplerate_id = 0;
1420
1421         /* When capture is active
1422          * sample rate shouldn't be changed
1423          * by playback substream
1424          */
1425         if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1426                 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].cur_audiofmt)
1427                         return;
1428         }
1429
1430         switch (fmt->rate_min) {
1431         case 48000:
1432                 emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
1433                 break;
1434         case 88200:
1435                 emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
1436                 break;
1437         case 96000:
1438                 emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
1439                 break;
1440         case 176400:
1441                 emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
1442                 break;
1443         case 192000:
1444                 emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
1445                 break;
1446         default:
1447                 emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
1448                 break;
1449         }
1450         snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
1451         subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
1452 }
1453
1454 static int pioneer_djm_set_format_quirk(struct snd_usb_substream *subs,
1455                                         u16 windex)
1456 {
1457         unsigned int cur_rate = subs->data_endpoint->cur_rate;
1458         u8 sr[3];
1459         // Convert to little endian
1460         sr[0] = cur_rate & 0xff;
1461         sr[1] = (cur_rate >> 8) & 0xff;
1462         sr[2] = (cur_rate >> 16) & 0xff;
1463         usb_set_interface(subs->dev, 0, 1);
1464         // we should derive windex from fmt-sync_ep but it's not set
1465         snd_usb_ctl_msg(subs->stream->chip->dev,
1466                 usb_sndctrlpipe(subs->stream->chip->dev, 0),
1467                 0x01, 0x22, 0x0100, windex, &sr, 0x0003);
1468         return 0;
1469 }
1470
1471 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
1472                               const struct audioformat *fmt)
1473 {
1474         switch (subs->stream->chip->usb_id) {
1475         case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1476         case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1477         case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1478         case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1479                 set_format_emu_quirk(subs, fmt);
1480                 break;
1481         case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
1482                 subs->stream_offset_adj = 2;
1483                 break;
1484         case USB_ID(0x2b73, 0x0013): /* Pioneer DJM-450 */
1485                 pioneer_djm_set_format_quirk(subs, 0x0082);
1486                 break;
1487         case USB_ID(0x08e4, 0x017f): /* Pioneer DJM-750 */
1488         case USB_ID(0x08e4, 0x0163): /* Pioneer DJM-850 */
1489                 pioneer_djm_set_format_quirk(subs, 0x0086);
1490                 break;
1491         }
1492 }
1493
1494 int snd_usb_select_mode_quirk(struct snd_usb_audio *chip,
1495                               const struct audioformat *fmt)
1496 {
1497         struct usb_device *dev = chip->dev;
1498         int err;
1499
1500         if (chip->quirk_flags & QUIRK_FLAG_ITF_USB_DSD_DAC) {
1501                 /* First switch to alt set 0, otherwise the mode switch cmd
1502                  * will not be accepted by the DAC
1503                  */
1504                 err = usb_set_interface(dev, fmt->iface, 0);
1505                 if (err < 0)
1506                         return err;
1507
1508                 msleep(20); /* Delay needed after setting the interface */
1509
1510                 /* Vendor mode switch cmd is required. */
1511                 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
1512                         /* DSD mode (DSD_U32) requested */
1513                         err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1514                                               USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1515                                               1, 1, NULL, 0);
1516                         if (err < 0)
1517                                 return err;
1518
1519                 } else {
1520                         /* PCM or DOP mode (S32) requested */
1521                         /* PCM mode (S16) requested */
1522                         err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1523                                               USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1524                                               0, 1, NULL, 0);
1525                         if (err < 0)
1526                                 return err;
1527
1528                 }
1529                 msleep(20);
1530         }
1531         return 0;
1532 }
1533
1534 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
1535 {
1536         /*
1537          * "Playback Design" products send bogus feedback data at the start
1538          * of the stream. Ignore them.
1539          */
1540         if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
1541             ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
1542                 ep->skip_packets = 4;
1543
1544         /*
1545          * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1546          * world latency varies by approx. +/- 50 frames (at 96kHz) each time
1547          * the stream is (re)started. When skipping packets 16 at endpoint
1548          * start up, the real world latency is stable within +/- 1 frame (also
1549          * across power cycles).
1550          */
1551         if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
1552              ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
1553             ep->type == SND_USB_ENDPOINT_TYPE_DATA)
1554                 ep->skip_packets = 16;
1555
1556         /* Work around devices that report unreasonable feedback data */
1557         if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) ||  /* TEAC UD-H01 */
1558              ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */
1559             ep->syncmaxsize == 4)
1560                 ep->tenor_fb_quirk = 1;
1561 }
1562
1563 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
1564 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
1565                            __u8 request, __u8 requesttype, __u16 value,
1566                            __u16 index, void *data, __u16 size)
1567 {
1568         struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1569
1570         if (!chip || (requesttype & USB_TYPE_MASK) != USB_TYPE_CLASS)
1571                 return;
1572
1573         if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY)
1574                 msleep(20);
1575         else if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY_1M)
1576                 usleep_range(1000, 2000);
1577         else if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY_5M)
1578                 usleep_range(5000, 6000);
1579 }
1580
1581 /*
1582  * snd_usb_interface_dsd_format_quirks() is called from format.c to
1583  * augment the PCM format bit-field for DSD types. The UAC standards
1584  * don't have a designated bit field to denote DSD-capable interfaces,
1585  * hence all hardware that is known to support this format has to be
1586  * listed here.
1587  */
1588 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
1589                                         struct audioformat *fp,
1590                                         unsigned int sample_bytes)
1591 {
1592         struct usb_interface *iface;
1593
1594         /* Playback Designs */
1595         if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1596             USB_ID_PRODUCT(chip->usb_id) < 0x0110) {
1597                 switch (fp->altsetting) {
1598                 case 1:
1599                         fp->dsd_dop = true;
1600                         return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1601                 case 2:
1602                         fp->dsd_bitrev = true;
1603                         return SNDRV_PCM_FMTBIT_DSD_U8;
1604                 case 3:
1605                         fp->dsd_bitrev = true;
1606                         return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1607                 }
1608         }
1609
1610         /* XMOS based USB DACs */
1611         switch (chip->usb_id) {
1612         case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
1613         case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
1614         case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
1615                 if (fp->altsetting == 2)
1616                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1617                 break;
1618
1619         case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
1620         case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
1621         case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */
1622         case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
1623         case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
1624         case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
1625         case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
1626         case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
1627         case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
1628         case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
1629         case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */
1630         case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */
1631         case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */
1632         case USB_ID(0x6b42, 0x0042): /* MSB Technology */
1633                 if (fp->altsetting == 3)
1634                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1635                 break;
1636
1637         /* Amanero Combo384 USB based DACs with native DSD support */
1638         case USB_ID(0x16d0, 0x071a):  /* Amanero - Combo384 */
1639         case USB_ID(0x2ab6, 0x0004):  /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */
1640         case USB_ID(0x2ab6, 0x0005):  /* T+A USB HD Audio 1 */
1641         case USB_ID(0x2ab6, 0x0006):  /* T+A USB HD Audio 2 */
1642                 if (fp->altsetting == 2) {
1643                         switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
1644                         case 0x199:
1645                                 return SNDRV_PCM_FMTBIT_DSD_U32_LE;
1646                         case 0x19b:
1647                         case 0x203:
1648                                 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1649                         default:
1650                                 break;
1651                         }
1652                 }
1653                 break;
1654         case USB_ID(0x16d0, 0x0a23):
1655                 if (fp->altsetting == 2)
1656                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1657                 break;
1658
1659         default:
1660                 break;
1661         }
1662
1663         /* ITF-USB DSD based DACs */
1664         if (chip->quirk_flags & QUIRK_FLAG_ITF_USB_DSD_DAC) {
1665                 iface = usb_ifnum_to_if(chip->dev, fp->iface);
1666
1667                 /* Altsetting 2 support native DSD if the num of altsets is
1668                  * three (0-2),
1669                  * Altsetting 3 support native DSD if the num of altsets is
1670                  * four (0-3).
1671                  */
1672                 if (fp->altsetting == iface->num_altsetting - 1)
1673                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1674         }
1675
1676         /* Mostly generic method to detect many DSD-capable implementations */
1677         if ((chip->quirk_flags & QUIRK_FLAG_DSD_RAW) && fp->dsd_raw)
1678                 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1679
1680         return 0;
1681 }
1682
1683 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
1684                                           struct audioformat *fp,
1685                                           int stream)
1686 {
1687         switch (chip->usb_id) {
1688         case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
1689                 /* Optoplay sets the sample rate attribute although
1690                  * it seems not supporting it in fact.
1691                  */
1692                 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
1693                 break;
1694         case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
1695         case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1696                 /* doesn't set the sample rate attribute, but supports it */
1697                 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
1698                 break;
1699         case USB_ID(0x0763, 0x2001):  /* M-Audio Quattro USB */
1700         case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
1701         case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
1702         case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
1703                                         an older model 77d:223) */
1704         /*
1705          * plantronics headset and Griffin iMic have set adaptive-in
1706          * although it's really not...
1707          */
1708                 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
1709                 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1710                         fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
1711                 else
1712                         fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
1713                 break;
1714         case USB_ID(0x07fd, 0x0004):  /* MOTU MicroBook IIc */
1715                 /*
1716                  * MaxPacketsOnly attribute is erroneously set in endpoint
1717                  * descriptors. As a result this card produces noise with
1718                  * all sample rates other than 96 kHz.
1719                  */
1720                 fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX;
1721                 break;
1722         case USB_ID(0x1224, 0x2a25):  /* Jieli Technology USB PHY 2.0 */
1723                 /* mic works only when ep packet size is set to wMaxPacketSize */
1724                 fp->attributes |= UAC_EP_CS_ATTR_FILL_MAX;
1725                 break;
1726
1727         }
1728 }
1729
1730 /*
1731  * registration quirk:
1732  * the registration is skipped if a device matches with the given ID,
1733  * unless the interface reaches to the defined one.  This is for delaying
1734  * the registration until the last known interface, so that the card and
1735  * devices appear at the same time.
1736  */
1737
1738 struct registration_quirk {
1739         unsigned int usb_id;    /* composed via USB_ID() */
1740         unsigned int interface; /* the interface to trigger register */
1741 };
1742
1743 #define REG_QUIRK_ENTRY(vendor, product, iface) \
1744         { .usb_id = USB_ID(vendor, product), .interface = (iface) }
1745
1746 static const struct registration_quirk registration_quirks[] = {
1747         REG_QUIRK_ENTRY(0x0951, 0x16d8, 2),     /* Kingston HyperX AMP */
1748         REG_QUIRK_ENTRY(0x0951, 0x16ed, 2),     /* Kingston HyperX Cloud Alpha S */
1749         REG_QUIRK_ENTRY(0x0951, 0x16ea, 2),     /* Kingston HyperX Cloud Flight S */
1750         REG_QUIRK_ENTRY(0x0ecb, 0x1f46, 2),     /* JBL Quantum 600 */
1751         REG_QUIRK_ENTRY(0x0ecb, 0x1f47, 2),     /* JBL Quantum 800 */
1752         REG_QUIRK_ENTRY(0x0ecb, 0x2039, 2),     /* JBL Quantum 400 */
1753         REG_QUIRK_ENTRY(0x0ecb, 0x203c, 2),     /* JBL Quantum 600 */
1754         REG_QUIRK_ENTRY(0x0ecb, 0x203e, 2),     /* JBL Quantum 800 */
1755         { 0 }                                   /* terminator */
1756 };
1757
1758 /* return true if skipping registration */
1759 bool snd_usb_registration_quirk(struct snd_usb_audio *chip, int iface)
1760 {
1761         const struct registration_quirk *q;
1762
1763         for (q = registration_quirks; q->usb_id; q++)
1764                 if (chip->usb_id == q->usb_id)
1765                         return iface != q->interface;
1766
1767         /* Register as normal */
1768         return false;
1769 }
1770
1771 /*
1772  * driver behavior quirk flags
1773  */
1774 struct usb_audio_quirk_flags_table {
1775         u32 id;
1776         u32 flags;
1777 };
1778
1779 #define DEVICE_FLG(vid, pid, _flags) \
1780         { .id = USB_ID(vid, pid), .flags = (_flags) }
1781 #define VENDOR_FLG(vid, _flags) DEVICE_FLG(vid, 0, _flags)
1782
1783 static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
1784         /* Device matches */
1785         DEVICE_FLG(0x041e, 0x3000, /* Creative SB Extigy */
1786                    QUIRK_FLAG_IGNORE_CTL_ERROR),
1787         DEVICE_FLG(0x041e, 0x4080, /* Creative Live Cam VF0610 */
1788                    QUIRK_FLAG_GET_SAMPLE_RATE),
1789         DEVICE_FLG(0x046d, 0x084c, /* Logitech ConferenceCam Connect */
1790                    QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY_1M),
1791         DEVICE_FLG(0x046d, 0x0991, /* Logitech QuickCam Pro */
1792                    QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
1793         DEVICE_FLG(0x046d, 0x09a4, /* Logitech QuickCam E 3500 */
1794                    QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
1795         DEVICE_FLG(0x04d8, 0xfeea, /* Benchmark DAC1 Pre */
1796                    QUIRK_FLAG_GET_SAMPLE_RATE),
1797         DEVICE_FLG(0x04e8, 0xa051, /* Samsung USBC Headset (AKG) */
1798                    QUIRK_FLAG_SKIP_CLOCK_SELECTOR | QUIRK_FLAG_CTL_MSG_DELAY_5M),
1799         DEVICE_FLG(0x054c, 0x0b8c, /* Sony WALKMAN NW-A45 DAC */
1800                    QUIRK_FLAG_SET_IFACE_FIRST),
1801         DEVICE_FLG(0x0556, 0x0014, /* Phoenix Audio TMX320VC */
1802                    QUIRK_FLAG_GET_SAMPLE_RATE),
1803         DEVICE_FLG(0x05a3, 0x9420, /* ELP HD USB Camera */
1804                    QUIRK_FLAG_GET_SAMPLE_RATE),
1805         DEVICE_FLG(0x05a7, 0x1020, /* Bose Companion 5 */
1806                    QUIRK_FLAG_GET_SAMPLE_RATE),
1807         DEVICE_FLG(0x05e1, 0x0408, /* Syntek STK1160 */
1808                    QUIRK_FLAG_ALIGN_TRANSFER),
1809         DEVICE_FLG(0x05e1, 0x0480, /* Hauppauge Woodbury */
1810                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1811         DEVICE_FLG(0x0644, 0x8043, /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
1812                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
1813                    QUIRK_FLAG_IFACE_DELAY),
1814         DEVICE_FLG(0x0644, 0x8044, /* Esoteric D-05X */
1815                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
1816                    QUIRK_FLAG_IFACE_DELAY),
1817         DEVICE_FLG(0x0644, 0x804a, /* TEAC UD-301 */
1818                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
1819                    QUIRK_FLAG_IFACE_DELAY),
1820         DEVICE_FLG(0x06f8, 0xb000, /* Hercules DJ Console (Windows Edition) */
1821                    QUIRK_FLAG_IGNORE_CTL_ERROR),
1822         DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */
1823                    QUIRK_FLAG_IGNORE_CTL_ERROR),
1824         DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */
1825                    QUIRK_FLAG_GET_SAMPLE_RATE),
1826         DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */
1827                    QUIRK_FLAG_IGNORE_CTL_ERROR),
1828         DEVICE_FLG(0x0951, 0x16ad, /* Kingston HyperX */
1829                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
1830         DEVICE_FLG(0x0b0e, 0x0349, /* Jabra 550a */
1831                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
1832         DEVICE_FLG(0x0fd9, 0x0008, /* Hauppauge HVR-950Q */
1833                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1834         DEVICE_FLG(0x1395, 0x740a, /* Sennheiser DECT */
1835                    QUIRK_FLAG_GET_SAMPLE_RATE),
1836         DEVICE_FLG(0x13e5, 0x0001, /* Serato Phono */
1837                    QUIRK_FLAG_IGNORE_CTL_ERROR),
1838         DEVICE_FLG(0x154e, 0x1002, /* Denon DCD-1500RE */
1839                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
1840         DEVICE_FLG(0x154e, 0x1003, /* Denon DA-300USB */
1841                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
1842         DEVICE_FLG(0x154e, 0x3005, /* Marantz HD-DAC1 */
1843                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
1844         DEVICE_FLG(0x154e, 0x3006, /* Marantz SA-14S1 */
1845                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
1846         DEVICE_FLG(0x154e, 0x500e, /* Denon DN-X1600 */
1847                    QUIRK_FLAG_IGNORE_CLOCK_SOURCE),
1848         DEVICE_FLG(0x1686, 0x00dd, /* Zoom R16/24 */
1849                    QUIRK_FLAG_TX_LENGTH | QUIRK_FLAG_CTL_MSG_DELAY_1M),
1850         DEVICE_FLG(0x17aa, 0x1046, /* Lenovo ThinkStation P620 Rear Line-in, Line-out and Microphone */
1851                    QUIRK_FLAG_DISABLE_AUTOSUSPEND),
1852         DEVICE_FLG(0x17aa, 0x104d, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */
1853                    QUIRK_FLAG_DISABLE_AUTOSUSPEND),
1854         DEVICE_FLG(0x1852, 0x5065, /* Luxman DA-06 */
1855                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
1856         DEVICE_FLG(0x1901, 0x0191, /* GE B850V3 CP2114 audio interface */
1857                    QUIRK_FLAG_GET_SAMPLE_RATE),
1858         DEVICE_FLG(0x2040, 0x7200, /* Hauppauge HVR-950Q */
1859                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1860         DEVICE_FLG(0x2040, 0x7201, /* Hauppauge HVR-950Q-MXL */
1861                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1862         DEVICE_FLG(0x2040, 0x7210, /* Hauppauge HVR-950Q */
1863                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1864         DEVICE_FLG(0x2040, 0x7211, /* Hauppauge HVR-950Q-MXL */
1865                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1866         DEVICE_FLG(0x2040, 0x7213, /* Hauppauge HVR-950Q */
1867                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1868         DEVICE_FLG(0x2040, 0x7217, /* Hauppauge HVR-950Q */
1869                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1870         DEVICE_FLG(0x2040, 0x721b, /* Hauppauge HVR-950Q */
1871                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1872         DEVICE_FLG(0x2040, 0x721e, /* Hauppauge HVR-950Q */
1873                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1874         DEVICE_FLG(0x2040, 0x721f, /* Hauppauge HVR-950Q */
1875                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1876         DEVICE_FLG(0x2040, 0x7240, /* Hauppauge HVR-850 */
1877                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1878         DEVICE_FLG(0x2040, 0x7260, /* Hauppauge HVR-950Q */
1879                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1880         DEVICE_FLG(0x2040, 0x7270, /* Hauppauge HVR-950Q */
1881                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1882         DEVICE_FLG(0x2040, 0x7280, /* Hauppauge HVR-950Q */
1883                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1884         DEVICE_FLG(0x2040, 0x7281, /* Hauppauge HVR-950Q-MXL */
1885                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1886         DEVICE_FLG(0x2040, 0x8200, /* Hauppauge Woodbury */
1887                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
1888         DEVICE_FLG(0x21b4, 0x0081, /* AudioQuest DragonFly */
1889                    QUIRK_FLAG_GET_SAMPLE_RATE),
1890         DEVICE_FLG(0x2912, 0x30c8, /* Audioengine D1 */
1891                    QUIRK_FLAG_GET_SAMPLE_RATE),
1892         DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */
1893                    QUIRK_FLAG_IGNORE_CTL_ERROR),
1894         DEVICE_FLG(0x413c, 0xa506, /* Dell AE515 sound bar */
1895                    QUIRK_FLAG_GET_SAMPLE_RATE),
1896         DEVICE_FLG(0x534d, 0x2109, /* MacroSilicon MS2109 */
1897                    QUIRK_FLAG_ALIGN_TRANSFER),
1898         DEVICE_FLG(0x1224, 0x2a25, /* Jieli Technology USB PHY 2.0 */
1899                    QUIRK_FLAG_GET_SAMPLE_RATE),
1900
1901         /* Vendor matches */
1902         VENDOR_FLG(0x045e, /* MS Lifecam */
1903                    QUIRK_FLAG_GET_SAMPLE_RATE),
1904         VENDOR_FLG(0x046d, /* Logitech */
1905                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
1906         VENDOR_FLG(0x047f, /* Plantronics */
1907                    QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY),
1908         VENDOR_FLG(0x0644, /* TEAC Corp. */
1909                    QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY),
1910         VENDOR_FLG(0x07fd, /* MOTU */
1911                    QUIRK_FLAG_VALIDATE_RATES),
1912         VENDOR_FLG(0x1235, /* Focusrite Novation */
1913                    QUIRK_FLAG_VALIDATE_RATES),
1914         VENDOR_FLG(0x152a, /* Thesycon devices */
1915                    QUIRK_FLAG_DSD_RAW),
1916         VENDOR_FLG(0x1de7, /* Phoenix Audio */
1917                    QUIRK_FLAG_GET_SAMPLE_RATE),
1918         VENDOR_FLG(0x20b1, /* XMOS based devices */
1919                    QUIRK_FLAG_DSD_RAW),
1920         VENDOR_FLG(0x22d9, /* Oppo */
1921                    QUIRK_FLAG_DSD_RAW),
1922         VENDOR_FLG(0x23ba, /* Playback Design */
1923                    QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY |
1924                    QUIRK_FLAG_DSD_RAW),
1925         VENDOR_FLG(0x25ce, /* Mytek devices */
1926                    QUIRK_FLAG_DSD_RAW),
1927         VENDOR_FLG(0x278b, /* Rotel? */
1928                    QUIRK_FLAG_DSD_RAW),
1929         VENDOR_FLG(0x292b, /* Gustard/Ess based devices */
1930                    QUIRK_FLAG_DSD_RAW),
1931         VENDOR_FLG(0x2972, /* FiiO devices */
1932                    QUIRK_FLAG_DSD_RAW),
1933         VENDOR_FLG(0x2ab6, /* T+A devices */
1934                    QUIRK_FLAG_DSD_RAW),
1935         VENDOR_FLG(0x3353, /* Khadas devices */
1936                    QUIRK_FLAG_DSD_RAW),
1937         VENDOR_FLG(0x3842, /* EVGA */
1938                    QUIRK_FLAG_DSD_RAW),
1939         VENDOR_FLG(0xc502, /* HiBy devices */
1940                    QUIRK_FLAG_DSD_RAW),
1941
1942         {} /* terminator */
1943 };
1944
1945 void snd_usb_init_quirk_flags(struct snd_usb_audio *chip)
1946 {
1947         const struct usb_audio_quirk_flags_table *p;
1948
1949         for (p = quirk_flags_table; p->id; p++) {
1950                 if (chip->usb_id == p->id ||
1951                     (!USB_ID_PRODUCT(p->id) &&
1952                      USB_ID_VENDOR(chip->usb_id) == USB_ID_VENDOR(p->id))) {
1953                         usb_audio_dbg(chip,
1954                                       "Set quirk_flags 0x%x for device %04x:%04x\n",
1955                                       p->flags, USB_ID_VENDOR(chip->usb_id),
1956                                       USB_ID_PRODUCT(chip->usb_id));
1957                         chip->quirk_flags |= p->flags;
1958                         return;
1959                 }
1960         }
1961 }