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TOMOYO Linux Cross Reference
Linux/sound/usb/quirks.c

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  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 "midi2.h"
 23 #include "quirks.h"
 24 #include "helper.h"
 25 #include "endpoint.h"
 26 #include "pcm.h"
 27 #include "clock.h"
 28 #include "stream.h"
 29 
 30 /*
 31  * handle the quirks for the contained interfaces
 32  */
 33 static int create_composite_quirk(struct snd_usb_audio *chip,
 34                                   struct usb_interface *iface,
 35                                   struct usb_driver *driver,
 36                                   const struct snd_usb_audio_quirk *quirk_comp)
 37 {
 38         int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
 39         const struct snd_usb_audio_quirk *quirk;
 40         int err;
 41 
 42         for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
 43                 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
 44                 if (!iface)
 45                         continue;
 46                 if (quirk->ifnum != probed_ifnum &&
 47                     usb_interface_claimed(iface))
 48                         continue;
 49                 err = snd_usb_create_quirk(chip, iface, driver, quirk);
 50                 if (err < 0)
 51                         return err;
 52         }
 53 
 54         for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
 55                 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
 56                 if (!iface)
 57                         continue;
 58                 if (quirk->ifnum != probed_ifnum &&
 59                     !usb_interface_claimed(iface)) {
 60                         err = usb_driver_claim_interface(driver, iface,
 61                                                          USB_AUDIO_IFACE_UNUSED);
 62                         if (err < 0)
 63                                 return err;
 64                 }
 65         }
 66 
 67         return 0;
 68 }
 69 
 70 static int ignore_interface_quirk(struct snd_usb_audio *chip,
 71                                   struct usb_interface *iface,
 72                                   struct usb_driver *driver,
 73                                   const struct snd_usb_audio_quirk *quirk)
 74 {
 75         return 0;
 76 }
 77 
 78 
 79 static int create_any_midi_quirk(struct snd_usb_audio *chip,
 80                                  struct usb_interface *intf,
 81                                  struct usb_driver *driver,
 82                                  const struct snd_usb_audio_quirk *quirk)
 83 {
 84         return snd_usb_midi_v2_create(chip, intf, quirk, 0);
 85 }
 86 
 87 /*
 88  * create a stream for an interface with proper descriptors
 89  */
 90 static int create_standard_audio_quirk(struct snd_usb_audio *chip,
 91                                        struct usb_interface *iface,
 92                                        struct usb_driver *driver,
 93                                        const struct snd_usb_audio_quirk *quirk)
 94 {
 95         struct usb_host_interface *alts;
 96         struct usb_interface_descriptor *altsd;
 97         int err;
 98 
 99         alts = &iface->altsetting[0];
100         altsd = get_iface_desc(alts);
101         err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
102         if (err < 0) {
103                 usb_audio_err(chip, "cannot setup if %d: error %d\n",
104                            altsd->bInterfaceNumber, err);
105                 return err;
106         }
107         /* reset the current interface */
108         usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
109         return 0;
110 }
111 
112 /* create the audio stream and the corresponding endpoints from the fixed
113  * audioformat object; this is used for quirks with the fixed EPs
114  */
115 static int add_audio_stream_from_fixed_fmt(struct snd_usb_audio *chip,
116                                            struct audioformat *fp)
117 {
118         int stream, err;
119 
120         stream = (fp->endpoint & USB_DIR_IN) ?
121                 SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
122 
123         snd_usb_audioformat_set_sync_ep(chip, fp);
124 
125         err = snd_usb_add_audio_stream(chip, stream, fp);
126         if (err < 0)
127                 return err;
128 
129         err = snd_usb_add_endpoint(chip, fp->endpoint,
130                                    SND_USB_ENDPOINT_TYPE_DATA);
131         if (err < 0)
132                 return err;
133 
134         if (fp->sync_ep) {
135                 err = snd_usb_add_endpoint(chip, fp->sync_ep,
136                                            fp->implicit_fb ?
137                                            SND_USB_ENDPOINT_TYPE_DATA :
138                                            SND_USB_ENDPOINT_TYPE_SYNC);
139                 if (err < 0)
140                         return err;
141         }
142 
143         return 0;
144 }
145 
146 /*
147  * create a stream for an endpoint/altsetting without proper descriptors
148  */
149 static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
150                                      struct usb_interface *iface,
151                                      struct usb_driver *driver,
152                                      const struct snd_usb_audio_quirk *quirk)
153 {
154         struct audioformat *fp;
155         struct usb_host_interface *alts;
156         struct usb_interface_descriptor *altsd;
157         unsigned *rate_table = NULL;
158         int err;
159 
160         fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
161         if (!fp)
162                 return -ENOMEM;
163 
164         INIT_LIST_HEAD(&fp->list);
165         if (fp->nr_rates > MAX_NR_RATES) {
166                 kfree(fp);
167                 return -EINVAL;
168         }
169         if (fp->nr_rates > 0) {
170                 rate_table = kmemdup(fp->rate_table,
171                                      sizeof(int) * fp->nr_rates, GFP_KERNEL);
172                 if (!rate_table) {
173                         kfree(fp);
174                         return -ENOMEM;
175                 }
176                 fp->rate_table = rate_table;
177         }
178 
179         if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
180             fp->altset_idx >= iface->num_altsetting) {
181                 err = -EINVAL;
182                 goto error;
183         }
184         alts = &iface->altsetting[fp->altset_idx];
185         altsd = get_iface_desc(alts);
186         if (altsd->bNumEndpoints <= fp->ep_idx) {
187                 err = -EINVAL;
188                 goto error;
189         }
190 
191         fp->protocol = altsd->bInterfaceProtocol;
192 
193         if (fp->datainterval == 0)
194                 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
195         if (fp->maxpacksize == 0)
196                 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, fp->ep_idx)->wMaxPacketSize);
197         if (!fp->fmt_type)
198                 fp->fmt_type = UAC_FORMAT_TYPE_I;
199 
200         err = add_audio_stream_from_fixed_fmt(chip, fp);
201         if (err < 0)
202                 goto error;
203 
204         usb_set_interface(chip->dev, fp->iface, 0);
205         snd_usb_init_pitch(chip, fp);
206         snd_usb_init_sample_rate(chip, fp, fp->rate_max);
207         return 0;
208 
209  error:
210         list_del(&fp->list); /* unlink for avoiding double-free */
211         kfree(fp);
212         kfree(rate_table);
213         return err;
214 }
215 
216 static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
217                                  struct usb_interface *iface,
218                                  struct usb_driver *driver)
219 {
220         struct usb_host_interface *alts;
221         struct usb_interface_descriptor *altsd;
222         struct usb_endpoint_descriptor *epd;
223         struct uac1_as_header_descriptor *ashd;
224         struct uac_format_type_i_discrete_descriptor *fmtd;
225 
226         /*
227          * Most Roland/Yamaha audio streaming interfaces have more or less
228          * standard descriptors, but older devices might lack descriptors, and
229          * future ones might change, so ensure that we fail silently if the
230          * interface doesn't look exactly right.
231          */
232 
233         /* must have a non-zero altsetting for streaming */
234         if (iface->num_altsetting < 2)
235                 return -ENODEV;
236         alts = &iface->altsetting[1];
237         altsd = get_iface_desc(alts);
238 
239         /* must have an isochronous endpoint for streaming */
240         if (altsd->bNumEndpoints < 1)
241                 return -ENODEV;
242         epd = get_endpoint(alts, 0);
243         if (!usb_endpoint_xfer_isoc(epd))
244                 return -ENODEV;
245 
246         /* must have format descriptors */
247         ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
248                                        UAC_AS_GENERAL);
249         fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
250                                        UAC_FORMAT_TYPE);
251         if (!ashd || ashd->bLength < 7 ||
252             !fmtd || fmtd->bLength < 8)
253                 return -ENODEV;
254 
255         return create_standard_audio_quirk(chip, iface, driver, NULL);
256 }
257 
258 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
259                                     struct usb_interface *iface,
260                                     struct usb_driver *driver,
261                                     struct usb_host_interface *alts)
262 {
263         static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
264                 .type = QUIRK_MIDI_YAMAHA
265         };
266         struct usb_midi_in_jack_descriptor *injd;
267         struct usb_midi_out_jack_descriptor *outjd;
268 
269         /* must have some valid jack descriptors */
270         injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
271                                        NULL, USB_MS_MIDI_IN_JACK);
272         outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
273                                         NULL, USB_MS_MIDI_OUT_JACK);
274         if (!injd && !outjd)
275                 return -ENODEV;
276         if ((injd && !snd_usb_validate_midi_desc(injd)) ||
277             (outjd && !snd_usb_validate_midi_desc(outjd)))
278                 return -ENODEV;
279         if (injd && (injd->bLength < 5 ||
280                      (injd->bJackType != USB_MS_EMBEDDED &&
281                       injd->bJackType != USB_MS_EXTERNAL)))
282                 return -ENODEV;
283         if (outjd && (outjd->bLength < 6 ||
284                       (outjd->bJackType != USB_MS_EMBEDDED &&
285                        outjd->bJackType != USB_MS_EXTERNAL)))
286                 return -ENODEV;
287         return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
288 }
289 
290 static int create_roland_midi_quirk(struct snd_usb_audio *chip,
291                                     struct usb_interface *iface,
292                                     struct usb_driver *driver,
293                                     struct usb_host_interface *alts)
294 {
295         static const struct snd_usb_audio_quirk roland_midi_quirk = {
296                 .type = QUIRK_MIDI_ROLAND
297         };
298         u8 *roland_desc = NULL;
299 
300         /* might have a vendor-specific descriptor <06 24 F1 02 ...> */
301         for (;;) {
302                 roland_desc = snd_usb_find_csint_desc(alts->extra,
303                                                       alts->extralen,
304                                                       roland_desc, 0xf1);
305                 if (!roland_desc)
306                         return -ENODEV;
307                 if (roland_desc[0] < 6 || roland_desc[3] != 2)
308                         continue;
309                 return create_any_midi_quirk(chip, iface, driver,
310                                              &roland_midi_quirk);
311         }
312 }
313 
314 static int create_std_midi_quirk(struct snd_usb_audio *chip,
315                                  struct usb_interface *iface,
316                                  struct usb_driver *driver,
317                                  struct usb_host_interface *alts)
318 {
319         struct usb_ms_header_descriptor *mshd;
320         struct usb_ms_endpoint_descriptor *msepd;
321 
322         /* must have the MIDIStreaming interface header descriptor*/
323         mshd = (struct usb_ms_header_descriptor *)alts->extra;
324         if (alts->extralen < 7 ||
325             mshd->bLength < 7 ||
326             mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
327             mshd->bDescriptorSubtype != USB_MS_HEADER)
328                 return -ENODEV;
329         /* must have the MIDIStreaming endpoint descriptor*/
330         msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
331         if (alts->endpoint[0].extralen < 4 ||
332             msepd->bLength < 4 ||
333             msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
334             msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
335             msepd->bNumEmbMIDIJack < 1 ||
336             msepd->bNumEmbMIDIJack > 16)
337                 return -ENODEV;
338 
339         return create_any_midi_quirk(chip, iface, driver, NULL);
340 }
341 
342 static int create_auto_midi_quirk(struct snd_usb_audio *chip,
343                                   struct usb_interface *iface,
344                                   struct usb_driver *driver)
345 {
346         struct usb_host_interface *alts;
347         struct usb_interface_descriptor *altsd;
348         struct usb_endpoint_descriptor *epd;
349         int err;
350 
351         alts = &iface->altsetting[0];
352         altsd = get_iface_desc(alts);
353 
354         /* must have at least one bulk/interrupt endpoint for streaming */
355         if (altsd->bNumEndpoints < 1)
356                 return -ENODEV;
357         epd = get_endpoint(alts, 0);
358         if (!usb_endpoint_xfer_bulk(epd) &&
359             !usb_endpoint_xfer_int(epd))
360                 return -ENODEV;
361 
362         switch (USB_ID_VENDOR(chip->usb_id)) {
363         case 0x0499: /* Yamaha */
364                 err = create_yamaha_midi_quirk(chip, iface, driver, alts);
365                 if (err != -ENODEV)
366                         return err;
367                 break;
368         case 0x0582: /* Roland */
369                 err = create_roland_midi_quirk(chip, iface, driver, alts);
370                 if (err != -ENODEV)
371                         return err;
372                 break;
373         }
374 
375         return create_std_midi_quirk(chip, iface, driver, alts);
376 }
377 
378 static int create_autodetect_quirk(struct snd_usb_audio *chip,
379                                    struct usb_interface *iface,
380                                    struct usb_driver *driver,
381                                    const struct snd_usb_audio_quirk *quirk)
382 {
383         int err;
384 
385         err = create_auto_pcm_quirk(chip, iface, driver);
386         if (err == -ENODEV)
387                 err = create_auto_midi_quirk(chip, iface, driver);
388         return err;
389 }
390 
391 /*
392  * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.  
393  * The only way to detect the sample rate is by looking at wMaxPacketSize.
394  */
395 static int create_uaxx_quirk(struct snd_usb_audio *chip,
396                              struct usb_interface *iface,
397                              struct usb_driver *driver,
398                              const struct snd_usb_audio_quirk *quirk)
399 {
400         static const struct audioformat ua_format = {
401                 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
402                 .channels = 2,
403                 .fmt_type = UAC_FORMAT_TYPE_I,
404                 .altsetting = 1,
405                 .altset_idx = 1,
406                 .rates = SNDRV_PCM_RATE_CONTINUOUS,
407         };
408         struct usb_host_interface *alts;
409         struct usb_interface_descriptor *altsd;
410         struct audioformat *fp;
411         int err;
412 
413         /* both PCM and MIDI interfaces have 2 or more altsettings */
414         if (iface->num_altsetting < 2)
415                 return -ENXIO;
416         alts = &iface->altsetting[1];
417         altsd = get_iface_desc(alts);
418 
419         if (altsd->bNumEndpoints == 2) {
420                 static const struct snd_usb_midi_endpoint_info ua700_ep = {
421                         .out_cables = 0x0003,
422                         .in_cables  = 0x0003
423                 };
424                 static const struct snd_usb_audio_quirk ua700_quirk = {
425                         .type = QUIRK_MIDI_FIXED_ENDPOINT,
426                         .data = &ua700_ep
427                 };
428                 static const struct snd_usb_midi_endpoint_info uaxx_ep = {
429                         .out_cables = 0x0001,
430                         .in_cables  = 0x0001
431                 };
432                 static const struct snd_usb_audio_quirk uaxx_quirk = {
433                         .type = QUIRK_MIDI_FIXED_ENDPOINT,
434                         .data = &uaxx_ep
435                 };
436                 const struct snd_usb_audio_quirk *quirk =
437                         chip->usb_id == USB_ID(0x0582, 0x002b)
438                         ? &ua700_quirk : &uaxx_quirk;
439                 return __snd_usbmidi_create(chip->card, iface,
440                                             &chip->midi_list, quirk,
441                                             chip->usb_id,
442                                             &chip->num_rawmidis);
443         }
444 
445         if (altsd->bNumEndpoints != 1)
446                 return -ENXIO;
447 
448         fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
449         if (!fp)
450                 return -ENOMEM;
451 
452         fp->iface = altsd->bInterfaceNumber;
453         fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
454         fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
455         fp->datainterval = 0;
456         fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
457         INIT_LIST_HEAD(&fp->list);
458 
459         switch (fp->maxpacksize) {
460         case 0x120:
461                 fp->rate_max = fp->rate_min = 44100;
462                 break;
463         case 0x138:
464         case 0x140:
465                 fp->rate_max = fp->rate_min = 48000;
466                 break;
467         case 0x258:
468         case 0x260:
469                 fp->rate_max = fp->rate_min = 96000;
470                 break;
471         default:
472                 usb_audio_err(chip, "unknown sample rate\n");
473                 kfree(fp);
474                 return -ENXIO;
475         }
476 
477         err = add_audio_stream_from_fixed_fmt(chip, fp);
478         if (err < 0) {
479                 list_del(&fp->list); /* unlink for avoiding double-free */
480                 kfree(fp);
481                 return err;
482         }
483         usb_set_interface(chip->dev, fp->iface, 0);
484         return 0;
485 }
486 
487 /*
488  * Create a standard mixer for the specified interface.
489  */
490 static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
491                                        struct usb_interface *iface,
492                                        struct usb_driver *driver,
493                                        const struct snd_usb_audio_quirk *quirk)
494 {
495         if (quirk->ifnum < 0)
496                 return 0;
497 
498         return snd_usb_create_mixer(chip, quirk->ifnum);
499 }
500 
501 /*
502  * audio-interface quirks
503  *
504  * returns zero if no standard audio/MIDI parsing is needed.
505  * returns a positive value if standard audio/midi interfaces are parsed
506  * after this.
507  * returns a negative value at error.
508  */
509 int snd_usb_create_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         typedef int (*quirk_func_t)(struct snd_usb_audio *,
515                                     struct usb_interface *,
516                                     struct usb_driver *,
517                                     const struct snd_usb_audio_quirk *);
518         static const quirk_func_t quirk_funcs[] = {
519                 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
520                 [QUIRK_COMPOSITE] = create_composite_quirk,
521                 [QUIRK_AUTODETECT] = create_autodetect_quirk,
522                 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
523                 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
524                 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
525                 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
526                 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
527                 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
528                 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
529                 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
530                 [QUIRK_MIDI_CME] = create_any_midi_quirk,
531                 [QUIRK_MIDI_AKAI] = create_any_midi_quirk,
532                 [QUIRK_MIDI_FTDI] = create_any_midi_quirk,
533                 [QUIRK_MIDI_CH345] = create_any_midi_quirk,
534                 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
535                 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
536                 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
537                 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
538         };
539 
540         if (quirk->type < QUIRK_TYPE_COUNT) {
541                 return quirk_funcs[quirk->type](chip, iface, driver, quirk);
542         } else {
543                 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
544                 return -ENXIO;
545         }
546 }
547 
548 /*
549  * boot quirks
550  */
551 
552 #define EXTIGY_FIRMWARE_SIZE_OLD 794
553 #define EXTIGY_FIRMWARE_SIZE_NEW 483
554 
555 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
556 {
557         struct usb_host_config *config = dev->actconfig;
558         int err;
559 
560         if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
561             le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
562                 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
563                 /* Send message to force it to reconnect with full interface. */
564                 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
565                                       0x10, 0x43, 0x0001, 0x000a, NULL, 0);
566                 if (err < 0)
567                         dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
568                 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
569                                 &dev->descriptor, sizeof(dev->descriptor));
570                 config = dev->actconfig;
571                 if (err < 0)
572                         dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
573                 err = usb_reset_configuration(dev);
574                 if (err < 0)
575                         dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
576                 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
577                             le16_to_cpu(get_cfg_desc(config)->wTotalLength));
578                 return -ENODEV; /* quit this anyway */
579         }
580         return 0;
581 }
582 
583 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
584 {
585         u8 buf = 1;
586 
587         snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
588                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
589                         0, 0, &buf, 1);
590         if (buf == 0) {
591                 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
592                                 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
593                                 1, 2000, NULL, 0);
594                 return -ENODEV;
595         }
596         return 0;
597 }
598 
599 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
600 {
601         int err;
602 
603         if (dev->actconfig->desc.bConfigurationValue == 1) {
604                 dev_info(&dev->dev,
605                            "Fast Track Pro switching to config #2\n");
606                 /* This function has to be available by the usb core module.
607                  * if it is not avialable the boot quirk has to be left out
608                  * and the configuration has to be set by udev or hotplug
609                  * rules
610                  */
611                 err = usb_driver_set_configuration(dev, 2);
612                 if (err < 0)
613                         dev_dbg(&dev->dev,
614                                 "error usb_driver_set_configuration: %d\n",
615                                 err);
616                 /* Always return an error, so that we stop creating a device
617                    that will just be destroyed and recreated with a new
618                    configuration */
619                 return -ENODEV;
620         } else
621                 dev_info(&dev->dev, "Fast Track Pro config OK\n");
622 
623         return 0;
624 }
625 
626 /*
627  * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
628  * documented in the device's data sheet.
629  */
630 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
631 {
632         u8 buf[4];
633         buf[0] = 0x20;
634         buf[1] = value & 0xff;
635         buf[2] = (value >> 8) & 0xff;
636         buf[3] = reg;
637         return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
638                                USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
639                                0, 0, &buf, 4);
640 }
641 
642 static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
643 {
644         /*
645          * Enable line-out driver mode, set headphone source to front
646          * channels, enable stereo mic.
647          */
648         return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
649 }
650 
651 /*
652  * CM6206 registers from the CM6206 datasheet rev 2.1
653  */
654 #define CM6206_REG0_DMA_MASTER BIT(15)
655 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12)
656 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12)
657 /* Bit 4 thru 11 is the S/PDIF category code */
658 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4)
659 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3)
660 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2)
661 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1)
662 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0)
663 
664 #define CM6206_REG1_TEST_SEL_CLK BIT(14)
665 #define CM6206_REG1_PLLBIN_EN BIT(13)
666 #define CM6206_REG1_SOFT_MUTE_EN BIT(12)
667 #define CM6206_REG1_GPIO4_OUT BIT(11)
668 #define CM6206_REG1_GPIO4_OE BIT(10)
669 #define CM6206_REG1_GPIO3_OUT BIT(9)
670 #define CM6206_REG1_GPIO3_OE BIT(8)
671 #define CM6206_REG1_GPIO2_OUT BIT(7)
672 #define CM6206_REG1_GPIO2_OE BIT(6)
673 #define CM6206_REG1_GPIO1_OUT BIT(5)
674 #define CM6206_REG1_GPIO1_OE BIT(4)
675 #define CM6206_REG1_SPDIFO_INVALID BIT(3)
676 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2)
677 #define CM6206_REG1_SPDIFO_DIS BIT(1)
678 #define CM6206_REG1_SPDIFI_MIX BIT(0)
679 
680 #define CM6206_REG2_DRIVER_ON BIT(15)
681 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13)
682 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13)
683 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13)
684 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13)
685 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12)
686 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11)
687 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10)
688 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9)
689 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8)
690 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7)
691 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6)
692 #define CM6206_REG2_MUTE_CENTER BIT(5)
693 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3)
694 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3)
695 #define CM6206_REG2_EN_BTL BIT(2)
696 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0)
697 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1)
698 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2)
699 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3)
700 
701 /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */
702 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11)
703 #define CM6206_REG3_VRAP25EN BIT(10)
704 #define CM6206_REG3_MSEL1 BIT(9)
705 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7)
706 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7)
707 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7)
708 #define CM6206_REG3_PINSEL BIT(6)
709 #define CM6206_REG3_FOE BIT(5)
710 #define CM6206_REG3_ROE BIT(4)
711 #define CM6206_REG3_CBOE BIT(3)
712 #define CM6206_REG3_LOSE BIT(2)
713 #define CM6206_REG3_HPOE BIT(1)
714 #define CM6206_REG3_SPDIFI_CANREC BIT(0)
715 
716 #define CM6206_REG5_DA_RSTN BIT(13)
717 #define CM6206_REG5_AD_RSTN BIT(12)
718 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12)
719 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9)
720 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9)
721 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9)
722 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9)
723 #define CM6206_REG5_CODECM BIT(8)
724 #define CM6206_REG5_EN_HPF BIT(7)
725 #define CM6206_REG5_T_SEL_DSDA4 BIT(6)
726 #define CM6206_REG5_T_SEL_DSDA3 BIT(5)
727 #define CM6206_REG5_T_SEL_DSDA2 BIT(4)
728 #define CM6206_REG5_T_SEL_DSDA1 BIT(3)
729 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0
730 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4
731 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5
732 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6
733 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7
734 
735 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
736 {
737         int err  = 0, reg;
738         int val[] = {
739                 /*
740                  * Values here are chosen based on sniffing USB traffic
741                  * under Windows.
742                  *
743                  * REG0: DAC is master, sample rate 48kHz, no copyright
744                  */
745                 CM6206_REG0_SPDIFO_RATE_48K |
746                 CM6206_REG0_SPDIFO_COPYRIGHT_NA,
747                 /*
748                  * REG1: PLL binary search enable, soft mute enable.
749                  */
750                 CM6206_REG1_PLLBIN_EN |
751                 CM6206_REG1_SOFT_MUTE_EN,
752                 /*
753                  * REG2: enable output drivers,
754                  * select front channels to the headphone output,
755                  * then mute the headphone channels, run the MCU
756                  * at 1.5 MHz.
757                  */
758                 CM6206_REG2_DRIVER_ON |
759                 CM6206_REG2_HEADP_SEL_FRONT_CHANNELS |
760                 CM6206_REG2_MUTE_HEADPHONE_RIGHT |
761                 CM6206_REG2_MUTE_HEADPHONE_LEFT,
762                 /*
763                  * REG3: default flyspeed, set 2.5V mic bias
764                  * enable all line out ports and enable SPDIF
765                  */
766                 CM6206_REG3_FLYSPEED_DEFAULT |
767                 CM6206_REG3_VRAP25EN |
768                 CM6206_REG3_FOE |
769                 CM6206_REG3_ROE |
770                 CM6206_REG3_CBOE |
771                 CM6206_REG3_LOSE |
772                 CM6206_REG3_HPOE |
773                 CM6206_REG3_SPDIFI_CANREC,
774                 /* REG4 is just a bunch of GPIO lines */
775                 0x0000,
776                 /* REG5: de-assert AD/DA reset signals */
777                 CM6206_REG5_DA_RSTN |
778                 CM6206_REG5_AD_RSTN };
779 
780         for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
781                 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
782                 if (err < 0)
783                         return err;
784         }
785 
786         return err;
787 }
788 
789 /* quirk for Plantronics GameCom 780 with CM6302 chip */
790 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
791 {
792         /* set the initial volume and don't change; other values are either
793          * too loud or silent due to firmware bug (bko#65251)
794          */
795         u8 buf[2] = { 0x74, 0xe3 };
796         return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
797                         USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
798                         UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
799 }
800 
801 /*
802  * Novation Twitch DJ controller
803  * Focusrite Novation Saffire 6 USB audio card
804  */
805 static int snd_usb_novation_boot_quirk(struct usb_device *dev)
806 {
807         /* preemptively set up the device because otherwise the
808          * raw MIDI endpoints are not active */
809         usb_set_interface(dev, 0, 1);
810         return 0;
811 }
812 
813 /*
814  * This call will put the synth in "USB send" mode, i.e it will send MIDI
815  * messages through USB (this is disabled at startup). The synth will
816  * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
817  * sign on its LCD. Values here are chosen based on sniffing USB traffic
818  * under Windows.
819  */
820 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
821 {
822         int err, actual_length;
823         /* "midi send" enable */
824         static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
825         void *buf;
826 
827         if (usb_pipe_type_check(dev, usb_sndintpipe(dev, 0x05)))
828                 return -EINVAL;
829         buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
830         if (!buf)
831                 return -ENOMEM;
832         err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
833                         ARRAY_SIZE(seq), &actual_length, 1000);
834         kfree(buf);
835         if (err < 0)
836                 return err;
837 
838         return 0;
839 }
840 
841 /*
842  * Some sound cards from Native Instruments are in fact compliant to the USB
843  * audio standard of version 2 and other approved USB standards, even though
844  * they come up as vendor-specific device when first connected.
845  *
846  * However, they can be told to come up with a new set of descriptors
847  * upon their next enumeration, and the interfaces announced by the new
848  * descriptors will then be handled by the kernel's class drivers. As the
849  * product ID will also change, no further checks are required.
850  */
851 
852 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
853 {
854         int ret;
855 
856         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
857                                   0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
858                                   1, 0, NULL, 0, 1000);
859 
860         if (ret < 0)
861                 return ret;
862 
863         usb_reset_device(dev);
864 
865         /* return -EAGAIN, so the creation of an audio interface for this
866          * temporary device is aborted. The device will reconnect with a
867          * new product ID */
868         return -EAGAIN;
869 }
870 
871 static void mbox2_setup_48_24_magic(struct usb_device *dev)
872 {
873         u8 srate[3];
874         u8 temp[12];
875 
876         /* Choose 48000Hz permanently */
877         srate[0] = 0x80;
878         srate[1] = 0xbb;
879         srate[2] = 0x00;
880 
881         /* Send the magic! */
882         snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
883                 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
884         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
885                 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
886         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
887                 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
888         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
889                 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
890         return;
891 }
892 
893 /* Digidesign Mbox 2 needs to load firmware onboard
894  * and driver must wait a few seconds for initialisation.
895  */
896 
897 #define MBOX2_FIRMWARE_SIZE    646
898 #define MBOX2_BOOT_LOADING     0x01 /* Hard coded into the device */
899 #define MBOX2_BOOT_READY       0x02 /* Hard coded into the device */
900 
901 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
902 {
903         struct usb_host_config *config = dev->actconfig;
904         int err;
905         u8 bootresponse[0x12];
906         int fwsize;
907         int count;
908 
909         fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
910 
911         if (fwsize != MBOX2_FIRMWARE_SIZE) {
912                 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
913                 return -ENODEV;
914         }
915 
916         dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
917 
918         count = 0;
919         bootresponse[0] = MBOX2_BOOT_LOADING;
920         while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
921                 msleep(500); /* 0.5 second delay */
922                 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
923                         /* Control magic - load onboard firmware */
924                         0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
925                 if (bootresponse[0] == MBOX2_BOOT_READY)
926                         break;
927                 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
928                 count++;
929         }
930 
931         if (bootresponse[0] != MBOX2_BOOT_READY) {
932                 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
933                 return -ENODEV;
934         }
935 
936         dev_dbg(&dev->dev, "device initialised!\n");
937 
938         err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
939                 &dev->descriptor, sizeof(dev->descriptor));
940         config = dev->actconfig;
941         if (err < 0)
942                 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
943 
944         err = usb_reset_configuration(dev);
945         if (err < 0)
946                 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
947         dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
948                 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
949 
950         mbox2_setup_48_24_magic(dev);
951 
952         dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
953 
954         return 0; /* Successful boot */
955 }
956 
957 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
958 {
959         int err;
960 
961         dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
962 
963         /* If the Axe-Fx III has not fully booted, it will timeout when trying
964          * to enable the audio streaming interface. A more generous timeout is
965          * used here to detect when the Axe-Fx III has finished booting as the
966          * set interface message will be acked once it has
967          */
968         err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
969                                 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
970                                 1, 1, NULL, 0, 120000);
971         if (err < 0) {
972                 dev_err(&dev->dev,
973                         "failed waiting for Axe-Fx III to boot: %d\n", err);
974                 return err;
975         }
976 
977         dev_dbg(&dev->dev, "Axe-Fx III is now ready\n");
978 
979         err = usb_set_interface(dev, 1, 0);
980         if (err < 0)
981                 dev_dbg(&dev->dev,
982                         "error stopping Axe-Fx III interface: %d\n", err);
983 
984         return 0;
985 }
986 
987 static void mbox3_setup_defaults(struct usb_device *dev)
988 {
989         /* The Mbox 3 is "little endian" */
990         /* max volume is: 0x0000. */
991         /* min volume is: 0x0080 (shown in little endian form) */
992 
993         u8 com_buff[2];
994 
995         /* Deactivate Tuner */
996         /* on  = 0x01*/
997         /* off = 0x00*/
998         com_buff[0] = 0x00;
999         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1000                 0x01, 0x21, 0x0003, 0x2001, &com_buff, 1);
1001 
1002         /* Set clock source to Internal (as opposed to S/PDIF) */
1003         /* Internal  = 0x01*/
1004         /* S/PDIF    = 0x02*/
1005         com_buff[0] = 0x01;
1006         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1007                         1, 0x21, 0x0100, 0x8001, &com_buff, 1);
1008 
1009         /* Mute the hardware loopbacks to start the device in a known state. */
1010         com_buff[0] = 0x00;
1011         com_buff[1] = 0x80;
1012         /* Analogue input 1 left channel: */
1013         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1014                         1, 0x21, 0x0110, 0x4001, &com_buff, 2);
1015         /* Analogue input 1 right channel: */
1016         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1017                         1, 0x21, 0x0111, 0x4001, &com_buff, 2);
1018         /* Analogue input 2 left channel: */
1019         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1020                         1, 0x21, 0x0114, 0x4001, &com_buff, 2);
1021         /* Analogue input 2 right channel: */
1022         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1023                         1, 0x21, 0x0115, 0x4001, &com_buff, 2);
1024         /* Analogue input 3 left channel: */
1025         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1026                         1, 0x21, 0x0118, 0x4001, &com_buff, 2);
1027         /* Analogue input 3 right channel: */
1028         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1029                         1, 0x21, 0x0119, 0x4001, &com_buff, 2);
1030         /* Analogue input 4 left channel: */
1031         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1032                         1, 0x21, 0x011c, 0x4001, &com_buff, 2);
1033         /* Analogue input 4 right channel: */
1034         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1035                         1, 0x21, 0x011d, 0x4001, &com_buff, 2);
1036 
1037         /* Set software sends to output */
1038         com_buff[0] = 0x00;
1039         com_buff[1] = 0x00;
1040         /* Analogue software return 1 left channel: */
1041         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1042                         1, 0x21, 0x0100, 0x4001, &com_buff, 2);
1043         com_buff[0] = 0x00;
1044         com_buff[1] = 0x80;
1045         /* Analogue software return 1 right channel: */
1046         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1047                         1, 0x21, 0x0101, 0x4001, &com_buff, 2);
1048         com_buff[0] = 0x00;
1049         com_buff[1] = 0x80;
1050         /* Analogue software return 2 left channel: */
1051         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1052                         1, 0x21, 0x0104, 0x4001, &com_buff, 2);
1053         com_buff[0] = 0x00;
1054         com_buff[1] = 0x00;
1055         /* Analogue software return 2 right channel: */
1056         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1057                         1, 0x21, 0x0105, 0x4001, &com_buff, 2);
1058 
1059         com_buff[0] = 0x00;
1060         com_buff[1] = 0x80;
1061         /* Analogue software return 3 left channel: */
1062         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1063                         1, 0x21, 0x0108, 0x4001, &com_buff, 2);
1064         /* Analogue software return 3 right channel: */
1065         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1066                         1, 0x21, 0x0109, 0x4001, &com_buff, 2);
1067         /* Analogue software return 4 left channel: */
1068         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1069                         1, 0x21, 0x010c, 0x4001, &com_buff, 2);
1070         /* Analogue software return 4 right channel: */
1071         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1072                         1, 0x21, 0x010d, 0x4001, &com_buff, 2);
1073 
1074         /* Return to muting sends */
1075         com_buff[0] = 0x00;
1076         com_buff[1] = 0x80;
1077         /* Analogue fx return left channel: */
1078         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1079                         1, 0x21, 0x0120, 0x4001, &com_buff, 2);
1080         /* Analogue fx return right channel: */
1081         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1082                         1, 0x21, 0x0121, 0x4001, &com_buff, 2);
1083 
1084         /* Analogue software input 1 fx send: */
1085         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1086                         1, 0x21, 0x0100, 0x4201, &com_buff, 2);
1087         /* Analogue software input 2 fx send: */
1088         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1089                         1, 0x21, 0x0101, 0x4201, &com_buff, 2);
1090         /* Analogue software input 3 fx send: */
1091         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1092                         1, 0x21, 0x0102, 0x4201, &com_buff, 2);
1093         /* Analogue software input 4 fx send: */
1094         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1095                         1, 0x21, 0x0103, 0x4201, &com_buff, 2);
1096         /* Analogue input 1 fx send: */
1097         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1098                         1, 0x21, 0x0104, 0x4201, &com_buff, 2);
1099         /* Analogue input 2 fx send: */
1100         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1101                         1, 0x21, 0x0105, 0x4201, &com_buff, 2);
1102         /* Analogue input 3 fx send: */
1103         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1104                         1, 0x21, 0x0106, 0x4201, &com_buff, 2);
1105         /* Analogue input 4 fx send: */
1106         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1107                         1, 0x21, 0x0107, 0x4201, &com_buff, 2);
1108 
1109         /* Toggle allowing host control */
1110         /* Not needed
1111         com_buff[0] = 0x02;
1112         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1113                         3, 0x21, 0x0000, 0x2001, &com_buff, 1);
1114          */
1115 
1116         /* Do not dim fx returns */
1117         com_buff[0] = 0x00;
1118         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1119                         3, 0x21, 0x0002, 0x2001, &com_buff, 1);
1120 
1121         /* Do not set fx returns to mono */
1122         com_buff[0] = 0x00;
1123         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1124                         3, 0x21, 0x0001, 0x2001, &com_buff, 1);
1125 
1126         /* Mute the S/PDIF hardware loopback
1127          * same odd volume logic here as above
1128          */
1129         com_buff[0] = 0x00;
1130         com_buff[1] = 0x80;
1131         /* S/PDIF hardware input 1 left channel */
1132         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1133                         1, 0x21, 0x0112, 0x4001, &com_buff, 2);
1134         /* S/PDIF hardware input 1 right channel */
1135         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1136                         1, 0x21, 0x0113, 0x4001, &com_buff, 2);
1137         /* S/PDIF hardware input 2 left channel */
1138         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1139                         1, 0x21, 0x0116, 0x4001, &com_buff, 2);
1140         /* S/PDIF hardware input 2 right channel */
1141         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1142                         1, 0x21, 0x0117, 0x4001, &com_buff, 2);
1143         /* S/PDIF hardware input 3 left channel */
1144         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1145                         1, 0x21, 0x011a, 0x4001, &com_buff, 2);
1146         /* S/PDIF hardware input 3 right channel */
1147         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1148                         1, 0x21, 0x011b, 0x4001, &com_buff, 2);
1149         /* S/PDIF hardware input 4 left channel */
1150         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1151                         1, 0x21, 0x011e, 0x4001, &com_buff, 2);
1152         /* S/PDIF hardware input 4 right channel */
1153         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1154                         1, 0x21, 0x011f, 0x4001, &com_buff, 2);
1155         /* S/PDIF software return 1 left channel */
1156         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1157                         1, 0x21, 0x0102, 0x4001, &com_buff, 2);
1158         /* S/PDIF software return 1 right channel */
1159         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1160                         1, 0x21, 0x0103, 0x4001, &com_buff, 2);
1161         /* S/PDIF software return 2 left channel */
1162         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1163                         1, 0x21, 0x0106, 0x4001, &com_buff, 2);
1164         /* S/PDIF software return 2 right channel */
1165         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1166                         1, 0x21, 0x0107, 0x4001, &com_buff, 2);
1167 
1168         com_buff[0] = 0x00;
1169         com_buff[1] = 0x00;
1170         /* S/PDIF software return 3 left channel */
1171         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1172                         1, 0x21, 0x010a, 0x4001, &com_buff, 2);
1173 
1174         com_buff[0] = 0x00;
1175         com_buff[1] = 0x80;
1176         /* S/PDIF software return 3 right channel */
1177         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1178                         1, 0x21, 0x010b, 0x4001, &com_buff, 2);
1179         /* S/PDIF software return 4 left channel */
1180         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1181                         1, 0x21, 0x010e, 0x4001, &com_buff, 2);
1182 
1183         com_buff[0] = 0x00;
1184         com_buff[1] = 0x00;
1185         /* S/PDIF software return 4 right channel */
1186         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1187                         1, 0x21, 0x010f, 0x4001, &com_buff, 2);
1188 
1189         com_buff[0] = 0x00;
1190         com_buff[1] = 0x80;
1191         /* S/PDIF fx returns left channel */
1192         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1193                         1, 0x21, 0x0122, 0x4001, &com_buff, 2);
1194         /* S/PDIF fx returns right channel */
1195         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1196                         1, 0x21, 0x0123, 0x4001, &com_buff, 2);
1197 
1198         /* Set the dropdown "Effect" to the first option */
1199         /* Room1  = 0x00 */
1200         /* Room2  = 0x01 */
1201         /* Room3  = 0x02 */
1202         /* Hall 1 = 0x03 */
1203         /* Hall 2 = 0x04 */
1204         /* Plate  = 0x05 */
1205         /* Delay  = 0x06 */
1206         /* Echo   = 0x07 */
1207         com_buff[0] = 0x00;
1208         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1209                         1, 0x21, 0x0200, 0x4301, &com_buff, 1); /* max is 0xff */
1210         /* min is 0x00 */
1211 
1212 
1213         /* Set the effect duration to 0 */
1214         /* max is 0xffff */
1215         /* min is 0x0000 */
1216         com_buff[0] = 0x00;
1217         com_buff[1] = 0x00;
1218         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1219                         1, 0x21, 0x0400, 0x4301, &com_buff, 2);
1220 
1221         /* Set the effect volume and feedback to 0 */
1222         /* max is 0xff */
1223         /* min is 0x00 */
1224         com_buff[0] = 0x00;
1225         /* feedback: */
1226         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1227                         1, 0x21, 0x0500, 0x4301, &com_buff, 1);
1228         /* volume: */
1229         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1230                         1, 0x21, 0x0300, 0x4301, &com_buff, 1);
1231 
1232         /* Set soft button hold duration */
1233         /* 0x03 = 250ms */
1234         /* 0x05 = 500ms DEFAULT */
1235         /* 0x08 = 750ms */
1236         /* 0x0a = 1sec */
1237         com_buff[0] = 0x05;
1238         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1239                         3, 0x21, 0x0005, 0x2001, &com_buff, 1);
1240 
1241         /* Use dim LEDs for button of state */
1242         com_buff[0] = 0x00;
1243         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1244                         3, 0x21, 0x0004, 0x2001, &com_buff, 1);
1245 }
1246 
1247 #define MBOX3_DESCRIPTOR_SIZE   464
1248 
1249 static int snd_usb_mbox3_boot_quirk(struct usb_device *dev)
1250 {
1251         struct usb_host_config *config = dev->actconfig;
1252         int err;
1253         int descriptor_size;
1254 
1255         descriptor_size = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
1256 
1257         if (descriptor_size != MBOX3_DESCRIPTOR_SIZE) {
1258                 dev_err(&dev->dev, "MBOX3: Invalid descriptor size=%d.\n", descriptor_size);
1259                 return -ENODEV;
1260         }
1261 
1262         dev_dbg(&dev->dev, "MBOX3: device initialised!\n");
1263 
1264         err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
1265                 &dev->descriptor, sizeof(dev->descriptor));
1266         config = dev->actconfig;
1267         if (err < 0)
1268                 dev_dbg(&dev->dev, "MBOX3: error usb_get_descriptor: %d\n", err);
1269 
1270         err = usb_reset_configuration(dev);
1271         if (err < 0)
1272                 dev_dbg(&dev->dev, "MBOX3: error usb_reset_configuration: %d\n", err);
1273 
1274         dev_dbg(&dev->dev, "MBOX3: new boot length = %d\n",
1275                 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
1276 
1277         mbox3_setup_defaults(dev);
1278         dev_info(&dev->dev, "MBOX3: Initialized.");
1279 
1280         return 0; /* Successful boot */
1281 }
1282 
1283 #define MICROBOOK_BUF_SIZE 128
1284 
1285 static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf,
1286                                                 int buf_size, int *length)
1287 {
1288         int err, actual_length;
1289 
1290         if (usb_pipe_type_check(dev, usb_sndintpipe(dev, 0x01)))
1291                 return -EINVAL;
1292         err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length,
1293                                 &actual_length, 1000);
1294         if (err < 0)
1295                 return err;
1296 
1297         print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1,
1298                        buf, actual_length, false);
1299 
1300         memset(buf, 0, buf_size);
1301 
1302         if (usb_pipe_type_check(dev, usb_rcvintpipe(dev, 0x82)))
1303                 return -EINVAL;
1304         err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size,
1305                                 &actual_length, 1000);
1306         if (err < 0)
1307                 return err;
1308 
1309         print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1,
1310                        buf, actual_length, false);
1311 
1312         *length = actual_length;
1313         return 0;
1314 }
1315 
1316 static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev)
1317 {
1318         int err, actual_length, poll_attempts = 0;
1319         static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00,
1320                                                  0x00, 0x00, 0x0b, 0x14,
1321                                                  0x00, 0x00, 0x00, 0x01 };
1322         static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00,
1323                                              0x00, 0x00, 0x0b, 0x18 };
1324         u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL);
1325 
1326         if (!buf)
1327                 return -ENOMEM;
1328 
1329         dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n");
1330 
1331         /* First we tell the device which sample rate to use. */
1332         memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq));
1333         actual_length = sizeof(set_samplerate_seq);
1334         err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE,
1335                                                    &actual_length);
1336 
1337         if (err < 0) {
1338                 dev_err(&dev->dev,
1339                         "failed setting the sample rate for Motu MicroBook II: %d\n",
1340                         err);
1341                 goto free_buf;
1342         }
1343 
1344         /* Then we poll every 100 ms until the device informs of its readiness. */
1345         while (true) {
1346                 if (++poll_attempts > 100) {
1347                         dev_err(&dev->dev,
1348                                 "failed booting Motu MicroBook II: timeout\n");
1349                         err = -ENODEV;
1350                         goto free_buf;
1351                 }
1352 
1353                 memset(buf, 0, MICROBOOK_BUF_SIZE);
1354                 memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq));
1355 
1356                 actual_length = sizeof(poll_ready_seq);
1357                 err = snd_usb_motu_microbookii_communicate(
1358                         dev, buf, MICROBOOK_BUF_SIZE, &actual_length);
1359                 if (err < 0) {
1360                         dev_err(&dev->dev,
1361                                 "failed booting Motu MicroBook II: communication error %d\n",
1362                                 err);
1363                         goto free_buf;
1364                 }
1365 
1366                 /* the device signals its readiness through a message of the
1367                  * form
1368                  *           XX 06 00 00 00 00 0b 18  00 00 00 01
1369                  * If the device is not yet ready to accept audio data, the
1370                  * last byte of that sequence is 00.
1371                  */
1372                 if (actual_length == 12 && buf[actual_length - 1] == 1)
1373                         break;
1374 
1375                 msleep(100);
1376         }
1377 
1378         dev_info(&dev->dev, "MOTU MicroBook II ready\n");
1379 
1380 free_buf:
1381         kfree(buf);
1382         return err;
1383 }
1384 
1385 static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev)
1386 {
1387         msleep(4000);
1388 
1389         return 0;
1390 }
1391 
1392 static int snd_usb_rme_digiface_boot_quirk(struct usb_device *dev)
1393 {
1394         /* Disable mixer, internal clock, all outputs ADAT, 48kHz, TMS off */
1395         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1396                         16, 0x40, 0x2410, 0x7fff, NULL, 0);
1397         snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1398                         18, 0x40, 0x0104, 0xffff, NULL, 0);
1399 
1400         /* Disable loopback for all inputs */
1401         for (int ch = 0; ch < 32; ch++)
1402                 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1403                                 22, 0x40, 0x400, ch, NULL, 0);
1404 
1405         /* Unity gain for all outputs */
1406         for (int ch = 0; ch < 34; ch++)
1407                 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1408                                 21, 0x40, 0x9000, 0x100 + ch, NULL, 0);
1409 
1410         return 0;
1411 }
1412 
1413 /*
1414  * Setup quirks
1415  */
1416 #define MAUDIO_SET              0x01 /* parse device_setup */
1417 #define MAUDIO_SET_COMPATIBLE   0x80 /* use only "win-compatible" interfaces */
1418 #define MAUDIO_SET_DTS          0x02 /* enable DTS Digital Output */
1419 #define MAUDIO_SET_96K          0x04 /* 48-96kHz rate if set, 8-48kHz otherwise */
1420 #define MAUDIO_SET_24B          0x08 /* 24bits sample if set, 16bits otherwise */
1421 #define MAUDIO_SET_DI           0x10 /* enable Digital Input */
1422 #define MAUDIO_SET_MASK         0x1f /* bit mask for setup value */
1423 #define MAUDIO_SET_24B_48K_DI    0x19 /* 24bits+48kHz+Digital Input */
1424 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48kHz+No Digital Input */
1425 #define MAUDIO_SET_16B_48K_DI    0x11 /* 16bits+48kHz+Digital Input */
1426 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48kHz+No Digital Input */
1427 
1428 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
1429                                       int iface, int altno)
1430 {
1431         /* Reset ALL ifaces to 0 altsetting.
1432          * Call it for every possible altsetting of every interface.
1433          */
1434         usb_set_interface(chip->dev, iface, 0);
1435         if (chip->setup & MAUDIO_SET) {
1436                 if (chip->setup & MAUDIO_SET_COMPATIBLE) {
1437                         if (iface != 1 && iface != 2)
1438                                 return 1; /* skip all interfaces but 1 and 2 */
1439                 } else {
1440                         unsigned int mask;
1441                         if (iface == 1 || iface == 2)
1442                                 return 1; /* skip interfaces 1 and 2 */
1443                         if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1444                                 return 1; /* skip this altsetting */
1445                         mask = chip->setup & MAUDIO_SET_MASK;
1446                         if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1447                                 return 1; /* skip this altsetting */
1448                         if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1449                                 return 1; /* skip this altsetting */
1450                         if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
1451                                 return 1; /* skip this altsetting */
1452                 }
1453         }
1454         usb_audio_dbg(chip,
1455                     "using altsetting %d for interface %d config %d\n",
1456                     altno, iface, chip->setup);
1457         return 0; /* keep this altsetting */
1458 }
1459 
1460 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
1461                                          int iface,
1462                                          int altno)
1463 {
1464         /* Reset ALL ifaces to 0 altsetting.
1465          * Call it for every possible altsetting of every interface.
1466          */
1467         usb_set_interface(chip->dev, iface, 0);
1468 
1469         if (chip->setup & MAUDIO_SET) {
1470                 unsigned int mask;
1471                 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
1472                         return 1; /* skip this altsetting */
1473                 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1474                         return 1; /* skip this altsetting */
1475                 mask = chip->setup & MAUDIO_SET_MASK;
1476                 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1477                         return 1; /* skip this altsetting */
1478                 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1479                         return 1; /* skip this altsetting */
1480                 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
1481                         return 1; /* skip this altsetting */
1482                 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
1483                         return 1; /* skip this altsetting */
1484         }
1485 
1486         return 0; /* keep this altsetting */
1487 }
1488 
1489 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
1490                                            int iface, int altno)
1491 {
1492         /* Reset ALL ifaces to 0 altsetting.
1493          * Call it for every possible altsetting of every interface.
1494          */
1495         usb_set_interface(chip->dev, iface, 0);
1496 
1497         /* possible configuration where both inputs and only one output is
1498          *used is not supported by the current setup
1499          */
1500         if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
1501                 if (chip->setup & MAUDIO_SET_96K) {
1502                         if (altno != 3 && altno != 6)
1503                                 return 1;
1504                 } else if (chip->setup & MAUDIO_SET_DI) {
1505                         if (iface == 4)
1506                                 return 1; /* no analog input */
1507                         if (altno != 2 && altno != 5)
1508                                 return 1; /* enable only altsets 2 and 5 */
1509                 } else {
1510                         if (iface == 5)
1511                                 return 1; /* disable digialt input */
1512                         if (altno != 2 && altno != 5)
1513                                 return 1; /* enalbe only altsets 2 and 5 */
1514                 }
1515         } else {
1516                 /* keep only 16-Bit mode */
1517                 if (altno != 1)
1518                         return 1;
1519         }
1520 
1521         usb_audio_dbg(chip,
1522                     "using altsetting %d for interface %d config %d\n",
1523                     altno, iface, chip->setup);
1524         return 0; /* keep this altsetting */
1525 }
1526 
1527 static int s1810c_skip_setting_quirk(struct snd_usb_audio *chip,
1528                                            int iface, int altno)
1529 {
1530         /*
1531          * Altno settings:
1532          *
1533          * Playback (Interface 1):
1534          * 1: 6 Analog + 2 S/PDIF
1535          * 2: 6 Analog + 2 S/PDIF
1536          * 3: 6 Analog
1537          *
1538          * Capture (Interface 2):
1539          * 1: 8 Analog + 2 S/PDIF + 8 ADAT
1540          * 2: 8 Analog + 2 S/PDIF + 4 ADAT
1541          * 3: 8 Analog
1542          */
1543 
1544         /*
1545          * I'll leave 2 as the default one and
1546          * use device_setup to switch to the
1547          * other two.
1548          */
1549         if ((chip->setup == 0 || chip->setup > 2) && altno != 2)
1550                 return 1;
1551         else if (chip->setup == 1 && altno != 1)
1552                 return 1;
1553         else if (chip->setup == 2 && altno != 3)
1554                 return 1;
1555 
1556         return 0;
1557 }
1558 
1559 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
1560                                   int iface,
1561                                   int altno)
1562 {
1563         /* audiophile usb: skip altsets incompatible with device_setup */
1564         if (chip->usb_id == USB_ID(0x0763, 0x2003))
1565                 return audiophile_skip_setting_quirk(chip, iface, altno);
1566         /* quattro usb: skip altsets incompatible with device_setup */
1567         if (chip->usb_id == USB_ID(0x0763, 0x2001))
1568                 return quattro_skip_setting_quirk(chip, iface, altno);
1569         /* fasttrackpro usb: skip altsets incompatible with device_setup */
1570         if (chip->usb_id == USB_ID(0x0763, 0x2012))
1571                 return fasttrackpro_skip_setting_quirk(chip, iface, altno);
1572         /* presonus studio 1810c: skip altsets incompatible with device_setup */
1573         if (chip->usb_id == USB_ID(0x194f, 0x010c))
1574                 return s1810c_skip_setting_quirk(chip, iface, altno);
1575 
1576 
1577         return 0;
1578 }
1579 
1580 int snd_usb_apply_boot_quirk(struct usb_device *dev,
1581                              struct usb_interface *intf,
1582                              const struct snd_usb_audio_quirk *quirk,
1583                              unsigned int id)
1584 {
1585         switch (id) {
1586         case USB_ID(0x041e, 0x3000):
1587                 /* SB Extigy needs special boot-up sequence */
1588                 /* if more models come, this will go to the quirk list. */
1589                 return snd_usb_extigy_boot_quirk(dev, intf);
1590 
1591         case USB_ID(0x041e, 0x3020):
1592                 /* SB Audigy 2 NX needs its own boot-up magic, too */
1593                 return snd_usb_audigy2nx_boot_quirk(dev);
1594 
1595         case USB_ID(0x10f5, 0x0200):
1596                 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1597                 return snd_usb_cm106_boot_quirk(dev);
1598 
1599         case USB_ID(0x0d8c, 0x0102):
1600                 /* C-Media CM6206 / CM106-Like Sound Device */
1601         case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1602                 return snd_usb_cm6206_boot_quirk(dev);
1603 
1604         case USB_ID(0x0dba, 0x3000):
1605                 /* Digidesign Mbox 2 */
1606                 return snd_usb_mbox2_boot_quirk(dev);
1607         case USB_ID(0x0dba, 0x5000):
1608                 /* Digidesign Mbox 3 */
1609                 return snd_usb_mbox3_boot_quirk(dev);
1610 
1611 
1612         case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1613         case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1614                 return snd_usb_novation_boot_quirk(dev);
1615 
1616         case USB_ID(0x133e, 0x0815):
1617                 /* Access Music VirusTI Desktop */
1618                 return snd_usb_accessmusic_boot_quirk(dev);
1619 
1620         case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1621         case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1622         case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1623                 return snd_usb_nativeinstruments_boot_quirk(dev);
1624         case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
1625                 return snd_usb_fasttrackpro_boot_quirk(dev);
1626         case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1627                 return snd_usb_gamecon780_boot_quirk(dev);
1628         case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */
1629                 return snd_usb_axefx3_boot_quirk(dev);
1630         case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */
1631                 /*
1632                  * For some reason interface 3 with vendor-spec class is
1633                  * detected on MicroBook IIc.
1634                  */
1635                 if (get_iface_desc(intf->altsetting)->bInterfaceClass ==
1636                     USB_CLASS_VENDOR_SPEC &&
1637                     get_iface_desc(intf->altsetting)->bInterfaceNumber < 3)
1638                         return snd_usb_motu_microbookii_boot_quirk(dev);
1639                 break;
1640         case USB_ID(0x2a39, 0x3f8c): /* RME Digiface USB */
1641                 return snd_usb_rme_digiface_boot_quirk(dev);
1642         }
1643 
1644         return 0;
1645 }
1646 
1647 int snd_usb_apply_boot_quirk_once(struct usb_device *dev,
1648                                   struct usb_interface *intf,
1649                                   const struct snd_usb_audio_quirk *quirk,
1650                                   unsigned int id)
1651 {
1652         switch (id) {
1653         case USB_ID(0x07fd, 0x0008): /* MOTU M Series, 1st hardware version */
1654                 return snd_usb_motu_m_series_boot_quirk(dev);
1655         }
1656 
1657         return 0;
1658 }
1659 
1660 /*
1661  * check if the device uses big-endian samples
1662  */
1663 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip,
1664                                  const struct audioformat *fp)
1665 {
1666         /* it depends on altsetting whether the device is big-endian or not */
1667         switch (chip->usb_id) {
1668         case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1669                 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1670                         fp->altsetting == 5 || fp->altsetting == 6)
1671                         return 1;
1672                 break;
1673         case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1674                 if (chip->setup == 0x00 ||
1675                         fp->altsetting == 1 || fp->altsetting == 2 ||
1676                         fp->altsetting == 3)
1677                         return 1;
1678                 break;
1679         case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1680                 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1681                         fp->altsetting == 5 || fp->altsetting == 6)
1682                         return 1;
1683                 break;
1684         }
1685         return 0;
1686 }
1687 
1688 /*
1689  * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1690  * not for interface.
1691  */
1692 
1693 enum {
1694         EMU_QUIRK_SR_44100HZ = 0,
1695         EMU_QUIRK_SR_48000HZ,
1696         EMU_QUIRK_SR_88200HZ,
1697         EMU_QUIRK_SR_96000HZ,
1698         EMU_QUIRK_SR_176400HZ,
1699         EMU_QUIRK_SR_192000HZ
1700 };
1701 
1702 static void set_format_emu_quirk(struct snd_usb_substream *subs,
1703                                  const struct audioformat *fmt)
1704 {
1705         unsigned char emu_samplerate_id = 0;
1706 
1707         /* When capture is active
1708          * sample rate shouldn't be changed
1709          * by playback substream
1710          */
1711         if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1712                 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].cur_audiofmt)
1713                         return;
1714         }
1715 
1716         switch (fmt->rate_min) {
1717         case 48000:
1718                 emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
1719                 break;
1720         case 88200:
1721                 emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
1722                 break;
1723         case 96000:
1724                 emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
1725                 break;
1726         case 176400:
1727                 emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
1728                 break;
1729         case 192000:
1730                 emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
1731                 break;
1732         default:
1733                 emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
1734                 break;
1735         }
1736         snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
1737         subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
1738 }
1739 
1740 static int pioneer_djm_set_format_quirk(struct snd_usb_substream *subs,
1741                                         u16 windex)
1742 {
1743         unsigned int cur_rate = subs->data_endpoint->cur_rate;
1744         u8 sr[3];
1745         // Convert to little endian
1746         sr[0] = cur_rate & 0xff;
1747         sr[1] = (cur_rate >> 8) & 0xff;
1748         sr[2] = (cur_rate >> 16) & 0xff;
1749         usb_set_interface(subs->dev, 0, 1);
1750         // we should derive windex from fmt-sync_ep but it's not set
1751         snd_usb_ctl_msg(subs->stream->chip->dev,
1752                 usb_sndctrlpipe(subs->stream->chip->dev, 0),
1753                 0x01, 0x22, 0x0100, windex, &sr, 0x0003);
1754         return 0;
1755 }
1756 
1757 static void mbox3_set_format_quirk(struct snd_usb_substream *subs,
1758                                 const struct audioformat *fmt)
1759 {
1760         __le32 buff4 = 0;
1761         u8 buff1 = 0x01;
1762         u32 new_rate = subs->data_endpoint->cur_rate;
1763         u32 current_rate;
1764 
1765         // Get current rate from card and check if changing it is needed
1766         snd_usb_ctl_msg(subs->dev, usb_rcvctrlpipe(subs->dev, 0),
1767                                         0x01, 0x21 | USB_DIR_IN, 0x0100, 0x8101, &buff4, 4);
1768         current_rate = le32_to_cpu(buff4);
1769         dev_dbg(&subs->dev->dev,
1770                          "MBOX3: Current configured sample rate: %d", current_rate);
1771         if (current_rate == new_rate) {
1772                 dev_dbg(&subs->dev->dev,
1773                         "MBOX3: No change needed (current rate:%d == new rate:%d)",
1774                         current_rate, new_rate);
1775                 return;
1776         }
1777 
1778         // Set new rate
1779         dev_info(&subs->dev->dev,
1780                          "MBOX3: Changing sample rate to: %d", new_rate);
1781         buff4 = cpu_to_le32(new_rate);
1782         snd_usb_ctl_msg(subs->dev, usb_sndctrlpipe(subs->dev, 0),
1783                                         0x01, 0x21, 0x0100, 0x8101, &buff4, 4);
1784 
1785         // Set clock source to Internal
1786         snd_usb_ctl_msg(subs->dev, usb_sndctrlpipe(subs->dev, 0),
1787                                         0x01, 0x21, 0x0100, 0x8001, &buff1, 1);
1788 
1789         // Check whether the change was successful
1790         buff4 = 0;
1791         snd_usb_ctl_msg(subs->dev, usb_rcvctrlpipe(subs->dev, 0),
1792                                         0x01, 0x21 | USB_DIR_IN, 0x0100, 0x8101, &buff4, 4);
1793         if (new_rate != le32_to_cpu(buff4))
1794                 dev_warn(&subs->dev->dev, "MBOX3: Couldn't set the sample rate");
1795 }
1796 
1797 static const int rme_digiface_rate_table[] = {
1798         32000, 44100, 48000, 0,
1799         64000, 88200, 96000, 0,
1800         128000, 176400, 192000, 0,
1801 };
1802 
1803 static int rme_digiface_set_format_quirk(struct snd_usb_substream *subs)
1804 {
1805         unsigned int cur_rate = subs->data_endpoint->cur_rate;
1806         u16 val;
1807         int speed_mode;
1808         int id;
1809 
1810         for (id = 0; id < ARRAY_SIZE(rme_digiface_rate_table); id++) {
1811                 if (rme_digiface_rate_table[id] == cur_rate)
1812                         break;
1813         }
1814 
1815         if (id >= ARRAY_SIZE(rme_digiface_rate_table))
1816                 return -EINVAL;
1817 
1818         /* 2, 3, 4 for 1x, 2x, 4x */
1819         speed_mode = (id >> 2) + 2;
1820         val = (id << 3) | (speed_mode << 12);
1821 
1822         /* Set the sample rate */
1823         snd_usb_ctl_msg(subs->stream->chip->dev,
1824                 usb_sndctrlpipe(subs->stream->chip->dev, 0),
1825                 16, 0x40, val, 0x7078, NULL, 0);
1826         return 0;
1827 }
1828 
1829 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
1830                               const struct audioformat *fmt)
1831 {
1832         switch (subs->stream->chip->usb_id) {
1833         case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1834         case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1835         case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1836         case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1837                 set_format_emu_quirk(subs, fmt);
1838                 break;
1839         case USB_ID(0x534d, 0x0021): /* MacroSilicon MS2100/MS2106 */
1840         case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
1841                 subs->stream_offset_adj = 2;
1842                 break;
1843         case USB_ID(0x2b73, 0x0013): /* Pioneer DJM-450 */
1844                 pioneer_djm_set_format_quirk(subs, 0x0082);
1845                 break;
1846         case USB_ID(0x08e4, 0x017f): /* Pioneer DJM-750 */
1847         case USB_ID(0x08e4, 0x0163): /* Pioneer DJM-850 */
1848                 pioneer_djm_set_format_quirk(subs, 0x0086);
1849                 break;
1850         case USB_ID(0x0dba, 0x5000):
1851                 mbox3_set_format_quirk(subs, fmt); /* Digidesign Mbox 3 */
1852                 break;
1853         case USB_ID(0x2a39, 0x3f8c): /* RME Digiface USB */
1854                 rme_digiface_set_format_quirk(subs);
1855                 break;
1856         }
1857 }
1858 
1859 int snd_usb_select_mode_quirk(struct snd_usb_audio *chip,
1860                               const struct audioformat *fmt)
1861 {
1862         struct usb_device *dev = chip->dev;
1863         int err;
1864 
1865         if (chip->quirk_flags & QUIRK_FLAG_ITF_USB_DSD_DAC) {
1866                 /* First switch to alt set 0, otherwise the mode switch cmd
1867                  * will not be accepted by the DAC
1868                  */
1869                 err = usb_set_interface(dev, fmt->iface, 0);
1870                 if (err < 0)
1871                         return err;
1872 
1873                 msleep(20); /* Delay needed after setting the interface */
1874 
1875                 /* Vendor mode switch cmd is required. */
1876                 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
1877                         /* DSD mode (DSD_U32) requested */
1878                         err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1879                                               USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1880                                               1, 1, NULL, 0);
1881                         if (err < 0)
1882                                 return err;
1883 
1884                 } else {
1885                         /* PCM or DOP mode (S32) requested */
1886                         /* PCM mode (S16) requested */
1887                         err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1888                                               USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1889                                               0, 1, NULL, 0);
1890                         if (err < 0)
1891                                 return err;
1892 
1893                 }
1894                 msleep(20);
1895         }
1896         return 0;
1897 }
1898 
1899 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
1900 {
1901         /*
1902          * "Playback Design" products send bogus feedback data at the start
1903          * of the stream. Ignore them.
1904          */
1905         if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
1906             ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
1907                 ep->skip_packets = 4;
1908 
1909         /*
1910          * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1911          * world latency varies by approx. +/- 50 frames (at 96kHz) each time
1912          * the stream is (re)started. When skipping packets 16 at endpoint
1913          * start up, the real world latency is stable within +/- 1 frame (also
1914          * across power cycles).
1915          */
1916         if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
1917              ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
1918             ep->type == SND_USB_ENDPOINT_TYPE_DATA)
1919                 ep->skip_packets = 16;
1920 
1921         /* Work around devices that report unreasonable feedback data */
1922         if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) ||  /* TEAC UD-H01 */
1923              ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */
1924             ep->syncmaxsize == 4)
1925                 ep->tenor_fb_quirk = 1;
1926 }
1927 
1928 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
1929 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
1930                            __u8 request, __u8 requesttype, __u16 value,
1931                            __u16 index, void *data, __u16 size)
1932 {
1933         struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1934 
1935         if (!chip || (requesttype & USB_TYPE_MASK) != USB_TYPE_CLASS)
1936                 return;
1937 
1938         if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY)
1939                 msleep(20);
1940         else if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY_1M)
1941                 usleep_range(1000, 2000);
1942         else if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY_5M)
1943                 usleep_range(5000, 6000);
1944 }
1945 
1946 /*
1947  * snd_usb_interface_dsd_format_quirks() is called from format.c to
1948  * augment the PCM format bit-field for DSD types. The UAC standards
1949  * don't have a designated bit field to denote DSD-capable interfaces,
1950  * hence all hardware that is known to support this format has to be
1951  * listed here.
1952  */
1953 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
1954                                         struct audioformat *fp,
1955                                         unsigned int sample_bytes)
1956 {
1957         struct usb_interface *iface;
1958 
1959         /* Playback Designs */
1960         if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1961             USB_ID_PRODUCT(chip->usb_id) < 0x0110) {
1962                 switch (fp->altsetting) {
1963                 case 1:
1964                         fp->dsd_dop = true;
1965                         return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1966                 case 2:
1967                         fp->dsd_bitrev = true;
1968                         return SNDRV_PCM_FMTBIT_DSD_U8;
1969                 case 3:
1970                         fp->dsd_bitrev = true;
1971                         return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1972                 }
1973         }
1974 
1975         /* XMOS based USB DACs */
1976         switch (chip->usb_id) {
1977         case USB_ID(0x139f, 0x5504): /* Nagra DAC */
1978         case USB_ID(0x20b1, 0x3089): /* Mola-Mola DAC */
1979         case USB_ID(0x2522, 0x0007): /* LH Labs Geek Out 1V5 */
1980         case USB_ID(0x2522, 0x0009): /* LH Labs Geek Pulse X Inifinity 2V0 */
1981         case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
1982         case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
1983                 if (fp->altsetting == 2)
1984                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1985                 break;
1986 
1987         case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
1988         case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
1989         case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */
1990         case USB_ID(0x16d0, 0x06b4): /* NuPrime Audio HD-AVP/AVA */
1991         case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
1992         case USB_ID(0x16d0, 0x09d8): /* NuPrime IDA-8 */
1993         case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
1994         case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
1995         case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
1996         case USB_ID(0x20a0, 0x4143): /* WaveIO USB Audio 2.0 */
1997         case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
1998         case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
1999         case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
2000         case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */
2001         case USB_ID(0x278b, 0x5100): /* Rotel RC-1590 */
2002         case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */
2003         case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */
2004         case USB_ID(0x6b42, 0x0042): /* MSB Technology */
2005                 if (fp->altsetting == 3)
2006                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2007                 break;
2008 
2009         /* Amanero Combo384 USB based DACs with native DSD support */
2010         case USB_ID(0x16d0, 0x071a):  /* Amanero - Combo384 */
2011                 if (fp->altsetting == 2) {
2012                         switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
2013                         case 0x199:
2014                                 return SNDRV_PCM_FMTBIT_DSD_U32_LE;
2015                         case 0x19b:
2016                         case 0x203:
2017                                 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2018                         default:
2019                                 break;
2020                         }
2021                 }
2022                 break;
2023         case USB_ID(0x16d0, 0x0a23):
2024                 if (fp->altsetting == 2)
2025                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2026                 break;
2027 
2028         default:
2029                 break;
2030         }
2031 
2032         /* ITF-USB DSD based DACs */
2033         if (chip->quirk_flags & QUIRK_FLAG_ITF_USB_DSD_DAC) {
2034                 iface = usb_ifnum_to_if(chip->dev, fp->iface);
2035 
2036                 /* Altsetting 2 support native DSD if the num of altsets is
2037                  * three (0-2),
2038                  * Altsetting 3 support native DSD if the num of altsets is
2039                  * four (0-3).
2040                  */
2041                 if (fp->altsetting == iface->num_altsetting - 1)
2042                         return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2043         }
2044 
2045         /* Mostly generic method to detect many DSD-capable implementations */
2046         if ((chip->quirk_flags & QUIRK_FLAG_DSD_RAW) && fp->dsd_raw)
2047                 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
2048 
2049         return 0;
2050 }
2051 
2052 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
2053                                           struct audioformat *fp,
2054                                           int stream)
2055 {
2056         switch (chip->usb_id) {
2057         case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
2058                 /* Optoplay sets the sample rate attribute although
2059                  * it seems not supporting it in fact.
2060                  */
2061                 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
2062                 break;
2063         case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
2064         case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
2065                 /* doesn't set the sample rate attribute, but supports it */
2066                 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
2067                 break;
2068         case USB_ID(0x0763, 0x2001):  /* M-Audio Quattro USB */
2069         case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
2070         case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
2071         case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
2072                                         an older model 77d:223) */
2073         /*
2074          * plantronics headset and Griffin iMic have set adaptive-in
2075          * although it's really not...
2076          */
2077                 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
2078                 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
2079                         fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
2080                 else
2081                         fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
2082                 break;
2083         case USB_ID(0x07fd, 0x0004):  /* MOTU MicroBook IIc */
2084                 /*
2085                  * MaxPacketsOnly attribute is erroneously set in endpoint
2086                  * descriptors. As a result this card produces noise with
2087                  * all sample rates other than 96 kHz.
2088                  */
2089                 fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX;
2090                 break;
2091         case USB_ID(0x1224, 0x2a25):  /* Jieli Technology USB PHY 2.0 */
2092                 /* mic works only when ep packet size is set to wMaxPacketSize */
2093                 fp->attributes |= UAC_EP_CS_ATTR_FILL_MAX;
2094                 break;
2095         case USB_ID(0x3511, 0x2b1e): /* Opencomm2 UC USB Bluetooth dongle */
2096                 /* mic works only when ep pitch control is not set */
2097                 if (stream == SNDRV_PCM_STREAM_CAPTURE)
2098                         fp->attributes &= ~UAC_EP_CS_ATTR_PITCH_CONTROL;
2099                 break;
2100         }
2101 }
2102 
2103 /*
2104  * driver behavior quirk flags
2105  */
2106 struct usb_audio_quirk_flags_table {
2107         u32 id;
2108         u32 flags;
2109 };
2110 
2111 #define DEVICE_FLG(vid, pid, _flags) \
2112         { .id = USB_ID(vid, pid), .flags = (_flags) }
2113 #define VENDOR_FLG(vid, _flags) DEVICE_FLG(vid, 0, _flags)
2114 
2115 static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
2116         /* Device matches */
2117         DEVICE_FLG(0x041e, 0x3000, /* Creative SB Extigy */
2118                    QUIRK_FLAG_IGNORE_CTL_ERROR),
2119         DEVICE_FLG(0x041e, 0x4080, /* Creative Live Cam VF0610 */
2120                    QUIRK_FLAG_GET_SAMPLE_RATE),
2121         DEVICE_FLG(0x045e, 0x083c, /* MS USB Link headset */
2122                    QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY |
2123                    QUIRK_FLAG_DISABLE_AUTOSUSPEND),
2124         DEVICE_FLG(0x046d, 0x084c, /* Logitech ConferenceCam Connect */
2125                    QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY_1M),
2126         DEVICE_FLG(0x046d, 0x0991, /* Logitech QuickCam Pro */
2127                    QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
2128         DEVICE_FLG(0x046d, 0x09a4, /* Logitech QuickCam E 3500 */
2129                    QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
2130         DEVICE_FLG(0x0499, 0x1509, /* Steinberg UR22 */
2131                    QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2132         DEVICE_FLG(0x0499, 0x3108, /* Yamaha YIT-W12TX */
2133                    QUIRK_FLAG_GET_SAMPLE_RATE),
2134         DEVICE_FLG(0x04d8, 0xfeea, /* Benchmark DAC1 Pre */
2135                    QUIRK_FLAG_GET_SAMPLE_RATE),
2136         DEVICE_FLG(0x04e8, 0xa051, /* Samsung USBC Headset (AKG) */
2137                    QUIRK_FLAG_SKIP_CLOCK_SELECTOR | QUIRK_FLAG_CTL_MSG_DELAY_5M),
2138         DEVICE_FLG(0x0525, 0xa4ad, /* Hamedal C20 usb camero */
2139                    QUIRK_FLAG_IFACE_SKIP_CLOSE),
2140         DEVICE_FLG(0x054c, 0x0b8c, /* Sony WALKMAN NW-A45 DAC */
2141                    QUIRK_FLAG_SET_IFACE_FIRST),
2142         DEVICE_FLG(0x0556, 0x0014, /* Phoenix Audio TMX320VC */
2143                    QUIRK_FLAG_GET_SAMPLE_RATE),
2144         DEVICE_FLG(0x05a3, 0x9420, /* ELP HD USB Camera */
2145                    QUIRK_FLAG_GET_SAMPLE_RATE),
2146         DEVICE_FLG(0x05a7, 0x1020, /* Bose Companion 5 */
2147                    QUIRK_FLAG_GET_SAMPLE_RATE),
2148         DEVICE_FLG(0x05e1, 0x0408, /* Syntek STK1160 */
2149                    QUIRK_FLAG_ALIGN_TRANSFER),
2150         DEVICE_FLG(0x05e1, 0x0480, /* Hauppauge Woodbury */
2151                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2152         DEVICE_FLG(0x0644, 0x8043, /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
2153                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
2154                    QUIRK_FLAG_IFACE_DELAY),
2155         DEVICE_FLG(0x0644, 0x8044, /* Esoteric D-05X */
2156                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
2157                    QUIRK_FLAG_IFACE_DELAY),
2158         DEVICE_FLG(0x0644, 0x804a, /* TEAC UD-301 */
2159                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
2160                    QUIRK_FLAG_IFACE_DELAY),
2161         DEVICE_FLG(0x0644, 0x805f, /* TEAC Model 12 */
2162                    QUIRK_FLAG_FORCE_IFACE_RESET),
2163         DEVICE_FLG(0x0644, 0x806b, /* TEAC UD-701 */
2164                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
2165                    QUIRK_FLAG_IFACE_DELAY),
2166         DEVICE_FLG(0x06f8, 0xb000, /* Hercules DJ Console (Windows Edition) */
2167                    QUIRK_FLAG_IGNORE_CTL_ERROR),
2168         DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */
2169                    QUIRK_FLAG_IGNORE_CTL_ERROR),
2170         DEVICE_FLG(0x0711, 0x5800, /* MCT Trigger 5 USB-to-HDMI */
2171                    QUIRK_FLAG_GET_SAMPLE_RATE),
2172         DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */
2173                    QUIRK_FLAG_GET_SAMPLE_RATE),
2174         DEVICE_FLG(0x0763, 0x2030, /* M-Audio Fast Track C400 */
2175                    QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2176         DEVICE_FLG(0x0763, 0x2031, /* M-Audio Fast Track C600 */
2177                    QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2178         DEVICE_FLG(0x07fd, 0x000b, /* MOTU M Series 2nd hardware revision */
2179                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
2180         DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */
2181                    QUIRK_FLAG_IGNORE_CTL_ERROR),
2182         DEVICE_FLG(0x0951, 0x16ad, /* Kingston HyperX */
2183                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
2184         DEVICE_FLG(0x0b0e, 0x0349, /* Jabra 550a */
2185                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
2186         DEVICE_FLG(0x0c45, 0x6340, /* Sonix HD USB Camera */
2187                    QUIRK_FLAG_GET_SAMPLE_RATE),
2188         DEVICE_FLG(0x0ecb, 0x205c, /* JBL Quantum610 Wireless */
2189                    QUIRK_FLAG_FIXED_RATE),
2190         DEVICE_FLG(0x0ecb, 0x2069, /* JBL Quantum810 Wireless */
2191                    QUIRK_FLAG_FIXED_RATE),
2192         DEVICE_FLG(0x0fd9, 0x0008, /* Hauppauge HVR-950Q */
2193                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2194         DEVICE_FLG(0x1224, 0x2a25, /* Jieli Technology USB PHY 2.0 */
2195                    QUIRK_FLAG_GET_SAMPLE_RATE),
2196         DEVICE_FLG(0x1395, 0x740a, /* Sennheiser DECT */
2197                    QUIRK_FLAG_GET_SAMPLE_RATE),
2198         DEVICE_FLG(0x1397, 0x0507, /* Behringer UMC202HD */
2199                    QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2200         DEVICE_FLG(0x1397, 0x0508, /* Behringer UMC204HD */
2201                    QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2202         DEVICE_FLG(0x1397, 0x0509, /* Behringer UMC404HD */
2203                    QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2204         DEVICE_FLG(0x13e5, 0x0001, /* Serato Phono */
2205                    QUIRK_FLAG_IGNORE_CTL_ERROR),
2206         DEVICE_FLG(0x154e, 0x1002, /* Denon DCD-1500RE */
2207                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2208         DEVICE_FLG(0x154e, 0x1003, /* Denon DA-300USB */
2209                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2210         DEVICE_FLG(0x154e, 0x3005, /* Marantz HD-DAC1 */
2211                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2212         DEVICE_FLG(0x154e, 0x3006, /* Marantz SA-14S1 */
2213                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2214         DEVICE_FLG(0x154e, 0x300b, /* Marantz SA-KI RUBY / SA-12 */
2215                    QUIRK_FLAG_DSD_RAW),
2216         DEVICE_FLG(0x154e, 0x500e, /* Denon DN-X1600 */
2217                    QUIRK_FLAG_IGNORE_CLOCK_SOURCE),
2218         DEVICE_FLG(0x1686, 0x00dd, /* Zoom R16/24 */
2219                    QUIRK_FLAG_TX_LENGTH | QUIRK_FLAG_CTL_MSG_DELAY_1M),
2220         DEVICE_FLG(0x17aa, 0x1046, /* Lenovo ThinkStation P620 Rear Line-in, Line-out and Microphone */
2221                    QUIRK_FLAG_DISABLE_AUTOSUSPEND),
2222         DEVICE_FLG(0x17aa, 0x104d, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */
2223                    QUIRK_FLAG_DISABLE_AUTOSUSPEND),
2224         DEVICE_FLG(0x1852, 0x5062, /* Luxman D-08u */
2225                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2226         DEVICE_FLG(0x1852, 0x5065, /* Luxman DA-06 */
2227                    QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2228         DEVICE_FLG(0x1901, 0x0191, /* GE B850V3 CP2114 audio interface */
2229                    QUIRK_FLAG_GET_SAMPLE_RATE),
2230         DEVICE_FLG(0x19f7, 0x0035, /* RODE NT-USB+ */
2231                    QUIRK_FLAG_GET_SAMPLE_RATE),
2232         DEVICE_FLG(0x1bcf, 0x2281, /* HD Webcam */
2233                    QUIRK_FLAG_GET_SAMPLE_RATE),
2234         DEVICE_FLG(0x1bcf, 0x2283, /* NexiGo N930AF FHD Webcam */
2235                    QUIRK_FLAG_GET_SAMPLE_RATE),
2236         DEVICE_FLG(0x2040, 0x7200, /* Hauppauge HVR-950Q */
2237                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2238         DEVICE_FLG(0x2040, 0x7201, /* Hauppauge HVR-950Q-MXL */
2239                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2240         DEVICE_FLG(0x2040, 0x7210, /* Hauppauge HVR-950Q */
2241                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2242         DEVICE_FLG(0x2040, 0x7211, /* Hauppauge HVR-950Q-MXL */
2243                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2244         DEVICE_FLG(0x2040, 0x7213, /* Hauppauge HVR-950Q */
2245                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2246         DEVICE_FLG(0x2040, 0x7217, /* Hauppauge HVR-950Q */
2247                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2248         DEVICE_FLG(0x2040, 0x721b, /* Hauppauge HVR-950Q */
2249                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2250         DEVICE_FLG(0x2040, 0x721e, /* Hauppauge HVR-950Q */
2251                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2252         DEVICE_FLG(0x2040, 0x721f, /* Hauppauge HVR-950Q */
2253                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2254         DEVICE_FLG(0x2040, 0x7240, /* Hauppauge HVR-850 */
2255                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2256         DEVICE_FLG(0x2040, 0x7260, /* Hauppauge HVR-950Q */
2257                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2258         DEVICE_FLG(0x2040, 0x7270, /* Hauppauge HVR-950Q */
2259                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2260         DEVICE_FLG(0x2040, 0x7280, /* Hauppauge HVR-950Q */
2261                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2262         DEVICE_FLG(0x2040, 0x7281, /* Hauppauge HVR-950Q-MXL */
2263                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2264         DEVICE_FLG(0x2040, 0x8200, /* Hauppauge Woodbury */
2265                    QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2266         DEVICE_FLG(0x21b4, 0x0081, /* AudioQuest DragonFly */
2267                    QUIRK_FLAG_GET_SAMPLE_RATE),
2268         DEVICE_FLG(0x21b4, 0x0230, /* Ayre QB-9 Twenty */
2269                    QUIRK_FLAG_DSD_RAW),
2270         DEVICE_FLG(0x21b4, 0x0232, /* Ayre QX-5 Twenty */
2271                    QUIRK_FLAG_DSD_RAW),
2272         DEVICE_FLG(0x2522, 0x0007, /* LH Labs Geek Out HD Audio 1V5 */
2273                    QUIRK_FLAG_SET_IFACE_FIRST),
2274         DEVICE_FLG(0x2708, 0x0002, /* Audient iD14 */
2275                    QUIRK_FLAG_IGNORE_CTL_ERROR),
2276         DEVICE_FLG(0x2912, 0x30c8, /* Audioengine D1 */
2277                    QUIRK_FLAG_GET_SAMPLE_RATE),
2278         DEVICE_FLG(0x2b53, 0x0023, /* Fiero SC-01 (firmware v1.0.0 @ 48 kHz) */
2279                    QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2280         DEVICE_FLG(0x2b53, 0x0024, /* Fiero SC-01 (firmware v1.0.0 @ 96 kHz) */
2281                    QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2282         DEVICE_FLG(0x2b53, 0x0031, /* Fiero SC-01 (firmware v1.1.0) */
2283                    QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2284         DEVICE_FLG(0x2d95, 0x8011, /* VIVO USB-C HEADSET */
2285                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
2286         DEVICE_FLG(0x2d95, 0x8021, /* VIVO USB-C-XE710 HEADSET */
2287                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
2288         DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */
2289                    QUIRK_FLAG_IGNORE_CTL_ERROR),
2290         DEVICE_FLG(0x413c, 0xa506, /* Dell AE515 sound bar */
2291                    QUIRK_FLAG_GET_SAMPLE_RATE),
2292         DEVICE_FLG(0x534d, 0x0021, /* MacroSilicon MS2100/MS2106 */
2293                    QUIRK_FLAG_ALIGN_TRANSFER),
2294         DEVICE_FLG(0x534d, 0x2109, /* MacroSilicon MS2109 */
2295                    QUIRK_FLAG_ALIGN_TRANSFER),
2296 
2297         /* Vendor matches */
2298         VENDOR_FLG(0x045e, /* MS Lifecam */
2299                    QUIRK_FLAG_GET_SAMPLE_RATE),
2300         VENDOR_FLG(0x046d, /* Logitech */
2301                    QUIRK_FLAG_CTL_MSG_DELAY_1M),
2302         VENDOR_FLG(0x047f, /* Plantronics */
2303                    QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY),
2304         VENDOR_FLG(0x0644, /* TEAC Corp. */
2305                    QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY),
2306         VENDOR_FLG(0x07fd, /* MOTU */
2307                    QUIRK_FLAG_VALIDATE_RATES),
2308         VENDOR_FLG(0x1235, /* Focusrite Novation */
2309                    QUIRK_FLAG_VALIDATE_RATES),
2310         VENDOR_FLG(0x1511, /* AURALiC */
2311                    QUIRK_FLAG_DSD_RAW),
2312         VENDOR_FLG(0x152a, /* Thesycon devices */
2313                    QUIRK_FLAG_DSD_RAW),
2314         VENDOR_FLG(0x18d1, /* iBasso devices */
2315                    QUIRK_FLAG_DSD_RAW),
2316         VENDOR_FLG(0x1de7, /* Phoenix Audio */
2317                    QUIRK_FLAG_GET_SAMPLE_RATE),
2318         VENDOR_FLG(0x20b1, /* XMOS based devices */
2319                    QUIRK_FLAG_DSD_RAW),
2320         VENDOR_FLG(0x21ed, /* Accuphase Laboratory */
2321                    QUIRK_FLAG_DSD_RAW),
2322         VENDOR_FLG(0x22d9, /* Oppo */
2323                    QUIRK_FLAG_DSD_RAW),
2324         VENDOR_FLG(0x23ba, /* Playback Design */
2325                    QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY |
2326                    QUIRK_FLAG_DSD_RAW),
2327         VENDOR_FLG(0x25ce, /* Mytek devices */
2328                    QUIRK_FLAG_DSD_RAW),
2329         VENDOR_FLG(0x278b, /* Rotel? */
2330                    QUIRK_FLAG_DSD_RAW),
2331         VENDOR_FLG(0x292b, /* Gustard/Ess based devices */
2332                    QUIRK_FLAG_DSD_RAW),
2333         VENDOR_FLG(0x2972, /* FiiO devices */
2334                    QUIRK_FLAG_DSD_RAW),
2335         VENDOR_FLG(0x2ab6, /* T+A devices */
2336                    QUIRK_FLAG_DSD_RAW),
2337         VENDOR_FLG(0x2afd, /* McIntosh Laboratory, Inc. */
2338                    QUIRK_FLAG_DSD_RAW),
2339         VENDOR_FLG(0x2d87, /* Cayin device */
2340                    QUIRK_FLAG_DSD_RAW),
2341         VENDOR_FLG(0x3336, /* HEM devices */
2342                    QUIRK_FLAG_DSD_RAW),
2343         VENDOR_FLG(0x3353, /* Khadas devices */
2344                    QUIRK_FLAG_DSD_RAW),
2345         VENDOR_FLG(0x35f4, /* MSB Technology */
2346                    QUIRK_FLAG_DSD_RAW),
2347         VENDOR_FLG(0x3842, /* EVGA */
2348                    QUIRK_FLAG_DSD_RAW),
2349         VENDOR_FLG(0xc502, /* HiBy devices */
2350                    QUIRK_FLAG_DSD_RAW),
2351 
2352         {} /* terminator */
2353 };
2354 
2355 void snd_usb_init_quirk_flags(struct snd_usb_audio *chip)
2356 {
2357         const struct usb_audio_quirk_flags_table *p;
2358 
2359         for (p = quirk_flags_table; p->id; p++) {
2360                 if (chip->usb_id == p->id ||
2361                     (!USB_ID_PRODUCT(p->id) &&
2362                      USB_ID_VENDOR(chip->usb_id) == USB_ID_VENDOR(p->id))) {
2363                         usb_audio_dbg(chip,
2364                                       "Set quirk_flags 0x%x for device %04x:%04x\n",
2365                                       p->flags, USB_ID_VENDOR(chip->usb_id),
2366                                       USB_ID_PRODUCT(chip->usb_id));
2367                         chip->quirk_flags |= p->flags;
2368                         return;
2369                 }
2370         }
2371 }
2372 

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