?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
interconnect: Add a common standard aggregate function
[linux/fpc-iii.git] / sound / usb / quirks.c
blob349e1e52996d8924c812f0177998d45fee970950
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 */
4
5 #include <linux/init.h>
6 #include <linux/slab.h>
7 #include <linux/usb.h>
8 #include <linux/usb/audio.h>
9 #include <linux/usb/midi.h>
10 #include <linux/bits.h>
11
12 #include <sound/control.h>
13 #include <sound/core.h>
14 #include <sound/info.h>
15 #include <sound/pcm.h>
16
17 #include "usbaudio.h"
18 #include "card.h"
19 #include "mixer.h"
20 #include "mixer_quirks.h"
21 #include "midi.h"
22 #include "quirks.h"
23 #include "helper.h"
24 #include "endpoint.h"
25 #include "pcm.h"
26 #include "clock.h"
27 #include "stream.h"
28
29 /*
30 * handle the quirks for the contained interfaces
31 */
32 static int create_composite_quirk(struct snd_usb_audio *chip,
33 struct usb_interface *iface,
34 struct usb_driver *driver,
35 const struct snd_usb_audio_quirk *quirk_comp)
36 {
37 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
38 const struct snd_usb_audio_quirk *quirk;
39 int err;
40
41 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
42 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
43 if (!iface)
44 continue;
45 if (quirk->ifnum != probed_ifnum &&
46 usb_interface_claimed(iface))
47 continue;
48 err = snd_usb_create_quirk(chip, iface, driver, quirk);
49 if (err < 0)
50 return err;
51 }
52
53 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
54 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
55 if (!iface)
56 continue;
57 if (quirk->ifnum != probed_ifnum &&
58 !usb_interface_claimed(iface))
59 usb_driver_claim_interface(driver, iface, (void *)-1L);
60 }
61
62 return 0;
63 }
64
65 static int ignore_interface_quirk(struct snd_usb_audio *chip,
66 struct usb_interface *iface,
67 struct usb_driver *driver,
68 const struct snd_usb_audio_quirk *quirk)
69 {
70 return 0;
71 }
72
73
74 /*
75 * Allow alignment on audio sub-slot (channel samples) rather than
76 * on audio slots (audio frames)
77 */
78 static int create_align_transfer_quirk(struct snd_usb_audio *chip,
79 struct usb_interface *iface,
80 struct usb_driver *driver,
81 const struct snd_usb_audio_quirk *quirk)
82 {
83 chip->txfr_quirk = 1;
84 return 1; /* Continue with creating streams and mixer */
85 }
86
87 static int create_any_midi_quirk(struct snd_usb_audio *chip,
88 struct usb_interface *intf,
89 struct usb_driver *driver,
90 const struct snd_usb_audio_quirk *quirk)
91 {
92 return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk);
93 }
94
95 /*
96 * create a stream for an interface with proper descriptors
97 */
98 static int create_standard_audio_quirk(struct snd_usb_audio *chip,
99 struct usb_interface *iface,
100 struct usb_driver *driver,
101 const struct snd_usb_audio_quirk *quirk)
102 {
103 struct usb_host_interface *alts;
104 struct usb_interface_descriptor *altsd;
105 int err;
106
107 if (chip->usb_id == USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */
108 chip->tx_length_quirk = 1;
109
110 alts = &iface->altsetting[0];
111 altsd = get_iface_desc(alts);
112 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
113 if (err < 0) {
114 usb_audio_err(chip, "cannot setup if %d: error %d\n",
115 altsd->bInterfaceNumber, err);
116 return err;
117 }
118 /* reset the current interface */
119 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
120 return 0;
121 }
122
123 /*
124 * create a stream for an endpoint/altsetting without proper descriptors
125 */
126 static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
127 struct usb_interface *iface,
128 struct usb_driver *driver,
129 const struct snd_usb_audio_quirk *quirk)
130 {
131 struct audioformat *fp;
132 struct usb_host_interface *alts;
133 struct usb_interface_descriptor *altsd;
134 int stream, err;
135 unsigned *rate_table = NULL;
136
137 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
138 if (!fp)
139 return -ENOMEM;
140
141 INIT_LIST_HEAD(&fp->list);
142 if (fp->nr_rates > MAX_NR_RATES) {
143 kfree(fp);
144 return -EINVAL;
145 }
146 if (fp->nr_rates > 0) {
147 rate_table = kmemdup(fp->rate_table,
148 sizeof(int) * fp->nr_rates, GFP_KERNEL);
149 if (!rate_table) {
150 kfree(fp);
151 return -ENOMEM;
152 }
153 fp->rate_table = rate_table;
154 }
155
156 stream = (fp->endpoint & USB_DIR_IN)
157 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
158 err = snd_usb_add_audio_stream(chip, stream, fp);
159 if (err < 0)
160 goto error;
161 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
162 fp->altset_idx >= iface->num_altsetting) {
163 err = -EINVAL;
164 goto error;
165 }
166 alts = &iface->altsetting[fp->altset_idx];
167 altsd = get_iface_desc(alts);
168 if (altsd->bNumEndpoints < 1) {
169 err = -EINVAL;
170 goto error;
171 }
172
173 fp->protocol = altsd->bInterfaceProtocol;
174
175 if (fp->datainterval == 0)
176 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
177 if (fp->maxpacksize == 0)
178 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
179 usb_set_interface(chip->dev, fp->iface, 0);
180 snd_usb_init_pitch(chip, fp->iface, alts, fp);
181 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
182 return 0;
183
184 error:
185 list_del(&fp->list); /* unlink for avoiding double-free */
186 kfree(fp);
187 kfree(rate_table);
188 return err;
189 }
190
191 static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
192 struct usb_interface *iface,
193 struct usb_driver *driver)
194 {
195 struct usb_host_interface *alts;
196 struct usb_interface_descriptor *altsd;
197 struct usb_endpoint_descriptor *epd;
198 struct uac1_as_header_descriptor *ashd;
199 struct uac_format_type_i_discrete_descriptor *fmtd;
200
201 /*
202 * Most Roland/Yamaha audio streaming interfaces have more or less
203 * standard descriptors, but older devices might lack descriptors, and
204 * future ones might change, so ensure that we fail silently if the
205 * interface doesn't look exactly right.
206 */
207
208 /* must have a non-zero altsetting for streaming */
209 if (iface->num_altsetting < 2)
210 return -ENODEV;
211 alts = &iface->altsetting[1];
212 altsd = get_iface_desc(alts);
213
214 /* must have an isochronous endpoint for streaming */
215 if (altsd->bNumEndpoints < 1)
216 return -ENODEV;
217 epd = get_endpoint(alts, 0);
218 if (!usb_endpoint_xfer_isoc(epd))
219 return -ENODEV;
220
221 /* must have format descriptors */
222 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
223 UAC_AS_GENERAL);
224 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
225 UAC_FORMAT_TYPE);
226 if (!ashd || ashd->bLength < 7 ||
227 !fmtd || fmtd->bLength < 8)
228 return -ENODEV;
229
230 return create_standard_audio_quirk(chip, iface, driver, NULL);
231 }
232
233 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
234 struct usb_interface *iface,
235 struct usb_driver *driver,
236 struct usb_host_interface *alts)
237 {
238 static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
239 .type = QUIRK_MIDI_YAMAHA
240 };
241 struct usb_midi_in_jack_descriptor *injd;
242 struct usb_midi_out_jack_descriptor *outjd;
243
244 /* must have some valid jack descriptors */
245 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
246 NULL, USB_MS_MIDI_IN_JACK);
247 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
248 NULL, USB_MS_MIDI_OUT_JACK);
249 if (!injd && !outjd)
250 return -ENODEV;
251 if ((injd && !snd_usb_validate_midi_desc(injd)) ||
252 (outjd && !snd_usb_validate_midi_desc(outjd)))
253 return -ENODEV;
254 if (injd && (injd->bLength < 5 ||
255 (injd->bJackType != USB_MS_EMBEDDED &&
256 injd->bJackType != USB_MS_EXTERNAL)))
257 return -ENODEV;
258 if (outjd && (outjd->bLength < 6 ||
259 (outjd->bJackType != USB_MS_EMBEDDED &&
260 outjd->bJackType != USB_MS_EXTERNAL)))
261 return -ENODEV;
262 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
263 }
264
265 static int create_roland_midi_quirk(struct snd_usb_audio *chip,
266 struct usb_interface *iface,
267 struct usb_driver *driver,
268 struct usb_host_interface *alts)
269 {
270 static const struct snd_usb_audio_quirk roland_midi_quirk = {
271 .type = QUIRK_MIDI_ROLAND
272 };
273 u8 *roland_desc = NULL;
274
275 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */
276 for (;;) {
277 roland_desc = snd_usb_find_csint_desc(alts->extra,
278 alts->extralen,
279 roland_desc, 0xf1);
280 if (!roland_desc)
281 return -ENODEV;
282 if (roland_desc[0] < 6 || roland_desc[3] != 2)
283 continue;
284 return create_any_midi_quirk(chip, iface, driver,
285 &roland_midi_quirk);
286 }
287 }
288
289 static int create_std_midi_quirk(struct snd_usb_audio *chip,
290 struct usb_interface *iface,
291 struct usb_driver *driver,
292 struct usb_host_interface *alts)
293 {
294 struct usb_ms_header_descriptor *mshd;
295 struct usb_ms_endpoint_descriptor *msepd;
296
297 /* must have the MIDIStreaming interface header descriptor*/
298 mshd = (struct usb_ms_header_descriptor *)alts->extra;
299 if (alts->extralen < 7 ||
300 mshd->bLength < 7 ||
301 mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
302 mshd->bDescriptorSubtype != USB_MS_HEADER)
303 return -ENODEV;
304 /* must have the MIDIStreaming endpoint descriptor*/
305 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
306 if (alts->endpoint[0].extralen < 4 ||
307 msepd->bLength < 4 ||
308 msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
309 msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
310 msepd->bNumEmbMIDIJack < 1 ||
311 msepd->bNumEmbMIDIJack > 16)
312 return -ENODEV;
313
314 return create_any_midi_quirk(chip, iface, driver, NULL);
315 }
316
317 static int create_auto_midi_quirk(struct snd_usb_audio *chip,
318 struct usb_interface *iface,
319 struct usb_driver *driver)
320 {
321 struct usb_host_interface *alts;
322 struct usb_interface_descriptor *altsd;
323 struct usb_endpoint_descriptor *epd;
324 int err;
325
326 alts = &iface->altsetting[0];
327 altsd = get_iface_desc(alts);
328
329 /* must have at least one bulk/interrupt endpoint for streaming */
330 if (altsd->bNumEndpoints < 1)
331 return -ENODEV;
332 epd = get_endpoint(alts, 0);
333 if (!usb_endpoint_xfer_bulk(epd) &&
334 !usb_endpoint_xfer_int(epd))
335 return -ENODEV;
336
337 switch (USB_ID_VENDOR(chip->usb_id)) {
338 case 0x0499: /* Yamaha */
339 err = create_yamaha_midi_quirk(chip, iface, driver, alts);
340 if (err != -ENODEV)
341 return err;
342 break;
343 case 0x0582: /* Roland */
344 err = create_roland_midi_quirk(chip, iface, driver, alts);
345 if (err != -ENODEV)
346 return err;
347 break;
348 }
349
350 return create_std_midi_quirk(chip, iface, driver, alts);
351 }
352
353 static int create_autodetect_quirk(struct snd_usb_audio *chip,
354 struct usb_interface *iface,
355 struct usb_driver *driver)
356 {
357 int err;
358
359 err = create_auto_pcm_quirk(chip, iface, driver);
360 if (err == -ENODEV)
361 err = create_auto_midi_quirk(chip, iface, driver);
362 return err;
363 }
364
365 static int create_autodetect_quirks(struct snd_usb_audio *chip,
366 struct usb_interface *iface,
367 struct usb_driver *driver,
368 const struct snd_usb_audio_quirk *quirk)
369 {
370 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
371 int ifcount, ifnum, err;
372
373 err = create_autodetect_quirk(chip, iface, driver);
374 if (err < 0)
375 return err;
376
377 /*
378 * ALSA PCM playback/capture devices cannot be registered in two steps,
379 * so we have to claim the other corresponding interface here.
380 */
381 ifcount = chip->dev->actconfig->desc.bNumInterfaces;
382 for (ifnum = 0; ifnum < ifcount; ifnum++) {
383 if (ifnum == probed_ifnum || quirk->ifnum >= 0)
384 continue;
385 iface = usb_ifnum_to_if(chip->dev, ifnum);
386 if (!iface ||
387 usb_interface_claimed(iface) ||
388 get_iface_desc(iface->altsetting)->bInterfaceClass !=
389 USB_CLASS_VENDOR_SPEC)
390 continue;
391
392 err = create_autodetect_quirk(chip, iface, driver);
393 if (err >= 0)
394 usb_driver_claim_interface(driver, iface, (void *)-1L);
395 }
396
397 return 0;
398 }
399
400 /*
401 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
402 * The only way to detect the sample rate is by looking at wMaxPacketSize.
403 */
404 static int create_uaxx_quirk(struct snd_usb_audio *chip,
405 struct usb_interface *iface,
406 struct usb_driver *driver,
407 const struct snd_usb_audio_quirk *quirk)
408 {
409 static const struct audioformat ua_format = {
410 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
411 .channels = 2,
412 .fmt_type = UAC_FORMAT_TYPE_I,
413 .altsetting = 1,
414 .altset_idx = 1,
415 .rates = SNDRV_PCM_RATE_CONTINUOUS,
416 };
417 struct usb_host_interface *alts;
418 struct usb_interface_descriptor *altsd;
419 struct audioformat *fp;
420 int stream, err;
421
422 /* both PCM and MIDI interfaces have 2 or more altsettings */
423 if (iface->num_altsetting < 2)
424 return -ENXIO;
425 alts = &iface->altsetting[1];
426 altsd = get_iface_desc(alts);
427
428 if (altsd->bNumEndpoints == 2) {
429 static const struct snd_usb_midi_endpoint_info ua700_ep = {
430 .out_cables = 0x0003,
431 .in_cables = 0x0003
432 };
433 static const struct snd_usb_audio_quirk ua700_quirk = {
434 .type = QUIRK_MIDI_FIXED_ENDPOINT,
435 .data = &ua700_ep
436 };
437 static const struct snd_usb_midi_endpoint_info uaxx_ep = {
438 .out_cables = 0x0001,
439 .in_cables = 0x0001
440 };
441 static const struct snd_usb_audio_quirk uaxx_quirk = {
442 .type = QUIRK_MIDI_FIXED_ENDPOINT,
443 .data = &uaxx_ep
444 };
445 const struct snd_usb_audio_quirk *quirk =
446 chip->usb_id == USB_ID(0x0582, 0x002b)
447 ? &ua700_quirk : &uaxx_quirk;
448 return __snd_usbmidi_create(chip->card, iface,
449 &chip->midi_list, quirk,
450 chip->usb_id);
451 }
452
453 if (altsd->bNumEndpoints != 1)
454 return -ENXIO;
455
456 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
457 if (!fp)
458 return -ENOMEM;
459
460 fp->iface = altsd->bInterfaceNumber;
461 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
462 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
463 fp->datainterval = 0;
464 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
465 INIT_LIST_HEAD(&fp->list);
466
467 switch (fp->maxpacksize) {
468 case 0x120:
469 fp->rate_max = fp->rate_min = 44100;
470 break;
471 case 0x138:
472 case 0x140:
473 fp->rate_max = fp->rate_min = 48000;
474 break;
475 case 0x258:
476 case 0x260:
477 fp->rate_max = fp->rate_min = 96000;
478 break;
479 default:
480 usb_audio_err(chip, "unknown sample rate\n");
481 kfree(fp);
482 return -ENXIO;
483 }
484
485 stream = (fp->endpoint & USB_DIR_IN)
486 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
487 err = snd_usb_add_audio_stream(chip, stream, fp);
488 if (err < 0) {
489 list_del(&fp->list); /* unlink for avoiding double-free */
490 kfree(fp);
491 return err;
492 }
493 usb_set_interface(chip->dev, fp->iface, 0);
494 return 0;
495 }
496
497 /*
498 * Create a standard mixer for the specified interface.
499 */
500 static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
501 struct usb_interface *iface,
502 struct usb_driver *driver,
503 const struct snd_usb_audio_quirk *quirk)
504 {
505 if (quirk->ifnum < 0)
506 return 0;
507
508 return snd_usb_create_mixer(chip, quirk->ifnum, 0);
509 }
510
511 /*
512 * audio-interface quirks
513 *
514 * returns zero if no standard audio/MIDI parsing is needed.
515 * returns a positive value if standard audio/midi interfaces are parsed
516 * after this.
517 * returns a negative value at error.
518 */
519 int snd_usb_create_quirk(struct snd_usb_audio *chip,
520 struct usb_interface *iface,
521 struct usb_driver *driver,
522 const struct snd_usb_audio_quirk *quirk)
523 {
524 typedef int (*quirk_func_t)(struct snd_usb_audio *,
525 struct usb_interface *,
526 struct usb_driver *,
527 const struct snd_usb_audio_quirk *);
528 static const quirk_func_t quirk_funcs[] = {
529 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
530 [QUIRK_COMPOSITE] = create_composite_quirk,
531 [QUIRK_AUTODETECT] = create_autodetect_quirks,
532 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
533 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
534 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
535 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
536 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
537 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
538 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
539 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
540 [QUIRK_MIDI_CME] = create_any_midi_quirk,
541 [QUIRK_MIDI_AKAI] = create_any_midi_quirk,
542 [QUIRK_MIDI_FTDI] = create_any_midi_quirk,
543 [QUIRK_MIDI_CH345] = create_any_midi_quirk,
544 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
545 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
546 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
547 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk,
548 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
549 };
550
551 if (quirk->type < QUIRK_TYPE_COUNT) {
552 return quirk_funcs[quirk->type](chip, iface, driver, quirk);
553 } else {
554 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
555 return -ENXIO;
556 }
557 }
558
559 /*
560 * boot quirks
561 */
562
563 #define EXTIGY_FIRMWARE_SIZE_OLD 794
564 #define EXTIGY_FIRMWARE_SIZE_NEW 483
565
566 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
567 {
568 struct usb_host_config *config = dev->actconfig;
569 int err;
570
571 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
572 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
573 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
574 /* Send message to force it to reconnect with full interface. */
575 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
576 0x10, 0x43, 0x0001, 0x000a, NULL, 0);
577 if (err < 0)
578 dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
579 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
580 &dev->descriptor, sizeof(dev->descriptor));
581 config = dev->actconfig;
582 if (err < 0)
583 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
584 err = usb_reset_configuration(dev);
585 if (err < 0)
586 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
587 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
588 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
589 return -ENODEV; /* quit this anyway */
590 }
591 return 0;
592 }
593
594 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
595 {
596 u8 buf = 1;
597
598 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
599 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
600 0, 0, &buf, 1);
601 if (buf == 0) {
602 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
603 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
604 1, 2000, NULL, 0);
605 return -ENODEV;
606 }
607 return 0;
608 }
609
610 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
611 {
612 int err;
613
614 if (dev->actconfig->desc.bConfigurationValue == 1) {
615 dev_info(&dev->dev,
616 "Fast Track Pro switching to config #2\n");
617 /* This function has to be available by the usb core module.
618 * if it is not avialable the boot quirk has to be left out
619 * and the configuration has to be set by udev or hotplug
620 * rules
621 */
622 err = usb_driver_set_configuration(dev, 2);
623 if (err < 0)
624 dev_dbg(&dev->dev,
625 "error usb_driver_set_configuration: %d\n",
626 err);
627 /* Always return an error, so that we stop creating a device
628 that will just be destroyed and recreated with a new
629 configuration */
630 return -ENODEV;
631 } else
632 dev_info(&dev->dev, "Fast Track Pro config OK\n");
633
634 return 0;
635 }
636
637 /*
638 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
639 * documented in the device's data sheet.
640 */
641 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
642 {
643 u8 buf[4];
644 buf[0] = 0x20;
645 buf[1] = value & 0xff;
646 buf[2] = (value >> 8) & 0xff;
647 buf[3] = reg;
648 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
649 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
650 0, 0, &buf, 4);
651 }
652
653 static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
654 {
655 /*
656 * Enable line-out driver mode, set headphone source to front
657 * channels, enable stereo mic.
658 */
659 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
660 }
661
662 /*
663 * CM6206 registers from the CM6206 datasheet rev 2.1
664 */
665 #define CM6206_REG0_DMA_MASTER BIT(15)
666 #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12)
667 #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12)
668 /* Bit 4 thru 11 is the S/PDIF category code */
669 #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4)
670 #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3)
671 #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2)
672 #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1)
673 #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0)
674
675 #define CM6206_REG1_TEST_SEL_CLK BIT(14)
676 #define CM6206_REG1_PLLBIN_EN BIT(13)
677 #define CM6206_REG1_SOFT_MUTE_EN BIT(12)
678 #define CM6206_REG1_GPIO4_OUT BIT(11)
679 #define CM6206_REG1_GPIO4_OE BIT(10)
680 #define CM6206_REG1_GPIO3_OUT BIT(9)
681 #define CM6206_REG1_GPIO3_OE BIT(8)
682 #define CM6206_REG1_GPIO2_OUT BIT(7)
683 #define CM6206_REG1_GPIO2_OE BIT(6)
684 #define CM6206_REG1_GPIO1_OUT BIT(5)
685 #define CM6206_REG1_GPIO1_OE BIT(4)
686 #define CM6206_REG1_SPDIFO_INVALID BIT(3)
687 #define CM6206_REG1_SPDIF_LOOP_EN BIT(2)
688 #define CM6206_REG1_SPDIFO_DIS BIT(1)
689 #define CM6206_REG1_SPDIFI_MIX BIT(0)
690
691 #define CM6206_REG2_DRIVER_ON BIT(15)
692 #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13)
693 #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13)
694 #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13)
695 #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13)
696 #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12)
697 #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11)
698 #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10)
699 #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9)
700 #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8)
701 #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7)
702 #define CM6206_REG2_MUTE_SUBWOOFER BIT(6)
703 #define CM6206_REG2_MUTE_CENTER BIT(5)
704 #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3)
705 #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3)
706 #define CM6206_REG2_EN_BTL BIT(2)
707 #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0)
708 #define CM6206_REG2_MCUCLKSEL_3_MHZ (1)
709 #define CM6206_REG2_MCUCLKSEL_6_MHZ (2)
710 #define CM6206_REG2_MCUCLKSEL_12_MHZ (3)
711
712 /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */
713 #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11)
714 #define CM6206_REG3_VRAP25EN BIT(10)
715 #define CM6206_REG3_MSEL1 BIT(9)
716 #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7)
717 #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7)
718 #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7)
719 #define CM6206_REG3_PINSEL BIT(6)
720 #define CM6206_REG3_FOE BIT(5)
721 #define CM6206_REG3_ROE BIT(4)
722 #define CM6206_REG3_CBOE BIT(3)
723 #define CM6206_REG3_LOSE BIT(2)
724 #define CM6206_REG3_HPOE BIT(1)
725 #define CM6206_REG3_SPDIFI_CANREC BIT(0)
726
727 #define CM6206_REG5_DA_RSTN BIT(13)
728 #define CM6206_REG5_AD_RSTN BIT(12)
729 #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12)
730 #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9)
731 #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9)
732 #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9)
733 #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9)
734 #define CM6206_REG5_CODECM BIT(8)
735 #define CM6206_REG5_EN_HPF BIT(7)
736 #define CM6206_REG5_T_SEL_DSDA4 BIT(6)
737 #define CM6206_REG5_T_SEL_DSDA3 BIT(5)
738 #define CM6206_REG5_T_SEL_DSDA2 BIT(4)
739 #define CM6206_REG5_T_SEL_DSDA1 BIT(3)
740 #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0
741 #define CM6206_REG5_T_SEL_DSDAD_FRONT 4
742 #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5
743 #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6
744 #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7
745
746 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
747 {
748 int err = 0, reg;
749 int val[] = {
750 /*
751 * Values here are chosen based on sniffing USB traffic
752 * under Windows.
753 *
754 * REG0: DAC is master, sample rate 48kHz, no copyright
755 */
756 CM6206_REG0_SPDIFO_RATE_48K |
757 CM6206_REG0_SPDIFO_COPYRIGHT_NA,
758 /*
759 * REG1: PLL binary search enable, soft mute enable.
760 */
761 CM6206_REG1_PLLBIN_EN |
762 CM6206_REG1_SOFT_MUTE_EN,
763 /*
764 * REG2: enable output drivers,
765 * select front channels to the headphone output,
766 * then mute the headphone channels, run the MCU
767 * at 1.5 MHz.
768 */
769 CM6206_REG2_DRIVER_ON |
770 CM6206_REG2_HEADP_SEL_FRONT_CHANNELS |
771 CM6206_REG2_MUTE_HEADPHONE_RIGHT |
772 CM6206_REG2_MUTE_HEADPHONE_LEFT,
773 /*
774 * REG3: default flyspeed, set 2.5V mic bias
775 * enable all line out ports and enable SPDIF
776 */
777 CM6206_REG3_FLYSPEED_DEFAULT |
778 CM6206_REG3_VRAP25EN |
779 CM6206_REG3_FOE |
780 CM6206_REG3_ROE |
781 CM6206_REG3_CBOE |
782 CM6206_REG3_LOSE |
783 CM6206_REG3_HPOE |
784 CM6206_REG3_SPDIFI_CANREC,
785 /* REG4 is just a bunch of GPIO lines */
786 0x0000,
787 /* REG5: de-assert AD/DA reset signals */
788 CM6206_REG5_DA_RSTN |
789 CM6206_REG5_AD_RSTN };
790
791 for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
792 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
793 if (err < 0)
794 return err;
795 }
796
797 return err;
798 }
799
800 /* quirk for Plantronics GameCom 780 with CM6302 chip */
801 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
802 {
803 /* set the initial volume and don't change; other values are either
804 * too loud or silent due to firmware bug (bko#65251)
805 */
806 u8 buf[2] = { 0x74, 0xe3 };
807 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
808 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
809 UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
810 }
811
812 /*
813 * Novation Twitch DJ controller
814 * Focusrite Novation Saffire 6 USB audio card
815 */
816 static int snd_usb_novation_boot_quirk(struct usb_device *dev)
817 {
818 /* preemptively set up the device because otherwise the
819 * raw MIDI endpoints are not active */
820 usb_set_interface(dev, 0, 1);
821 return 0;
822 }
823
824 /*
825 * This call will put the synth in "USB send" mode, i.e it will send MIDI
826 * messages through USB (this is disabled at startup). The synth will
827 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
828 * sign on its LCD. Values here are chosen based on sniffing USB traffic
829 * under Windows.
830 */
831 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
832 {
833 int err, actual_length;
834 /* "midi send" enable */
835 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
836 void *buf;
837
838 if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x05)))
839 return -EINVAL;
840 buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
841 if (!buf)
842 return -ENOMEM;
843 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
844 ARRAY_SIZE(seq), &actual_length, 1000);
845 kfree(buf);
846 if (err < 0)
847 return err;
848
849 return 0;
850 }
851
852 /*
853 * Some sound cards from Native Instruments are in fact compliant to the USB
854 * audio standard of version 2 and other approved USB standards, even though
855 * they come up as vendor-specific device when first connected.
856 *
857 * However, they can be told to come up with a new set of descriptors
858 * upon their next enumeration, and the interfaces announced by the new
859 * descriptors will then be handled by the kernel's class drivers. As the
860 * product ID will also change, no further checks are required.
861 */
862
863 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
864 {
865 int ret;
866
867 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0)))
868 return -EINVAL;
869 ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
870 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
871 1, 0, NULL, 0, 1000);
872
873 if (ret < 0)
874 return ret;
875
876 usb_reset_device(dev);
877
878 /* return -EAGAIN, so the creation of an audio interface for this
879 * temporary device is aborted. The device will reconnect with a
880 * new product ID */
881 return -EAGAIN;
882 }
883
884 static void mbox2_setup_48_24_magic(struct usb_device *dev)
885 {
886 u8 srate[3];
887 u8 temp[12];
888
889 /* Choose 48000Hz permanently */
890 srate[0] = 0x80;
891 srate[1] = 0xbb;
892 srate[2] = 0x00;
893
894 /* Send the magic! */
895 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
896 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
897 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
898 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
899 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
900 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
901 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
902 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
903 return;
904 }
905
906 /* Digidesign Mbox 2 needs to load firmware onboard
907 * and driver must wait a few seconds for initialisation.
908 */
909
910 #define MBOX2_FIRMWARE_SIZE 646
911 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */
912 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */
913
914 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
915 {
916 struct usb_host_config *config = dev->actconfig;
917 int err;
918 u8 bootresponse[0x12];
919 int fwsize;
920 int count;
921
922 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
923
924 if (fwsize != MBOX2_FIRMWARE_SIZE) {
925 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
926 return -ENODEV;
927 }
928
929 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
930
931 count = 0;
932 bootresponse[0] = MBOX2_BOOT_LOADING;
933 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
934 msleep(500); /* 0.5 second delay */
935 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
936 /* Control magic - load onboard firmware */
937 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
938 if (bootresponse[0] == MBOX2_BOOT_READY)
939 break;
940 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
941 count++;
942 }
943
944 if (bootresponse[0] != MBOX2_BOOT_READY) {
945 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
946 return -ENODEV;
947 }
948
949 dev_dbg(&dev->dev, "device initialised!\n");
950
951 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
952 &dev->descriptor, sizeof(dev->descriptor));
953 config = dev->actconfig;
954 if (err < 0)
955 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
956
957 err = usb_reset_configuration(dev);
958 if (err < 0)
959 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
960 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
961 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
962
963 mbox2_setup_48_24_magic(dev);
964
965 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
966
967 return 0; /* Successful boot */
968 }
969
970 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
971 {
972 int err;
973
974 dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
975
976 if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0)))
977 return -EINVAL;
978 /* If the Axe-Fx III has not fully booted, it will timeout when trying
979 * to enable the audio streaming interface. A more generous timeout is
980 * used here to detect when the Axe-Fx III has finished booting as the
981 * set interface message will be acked once it has
982 */
983 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
984 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
985 1, 1, NULL, 0, 120000);
986 if (err < 0) {
987 dev_err(&dev->dev,
988 "failed waiting for Axe-Fx III to boot: %d\n", err);
989 return err;
990 }
991
992 dev_dbg(&dev->dev, "Axe-Fx III is now ready\n");
993
994 err = usb_set_interface(dev, 1, 0);
995 if (err < 0)
996 dev_dbg(&dev->dev,
997 "error stopping Axe-Fx III interface: %d\n", err);
998
999 return 0;
1000 }
1001
1002
1003 #define MICROBOOK_BUF_SIZE 128
1004
1005 static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf,
1006 int buf_size, int *length)
1007 {
1008 int err, actual_length;
1009
1010 if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x01)))
1011 return -EINVAL;
1012 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length,
1013 &actual_length, 1000);
1014 if (err < 0)
1015 return err;
1016
1017 print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1,
1018 buf, actual_length, false);
1019
1020 memset(buf, 0, buf_size);
1021
1022 if (snd_usb_pipe_sanity_check(dev, usb_rcvintpipe(dev, 0x82)))
1023 return -EINVAL;
1024 err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size,
1025 &actual_length, 1000);
1026 if (err < 0)
1027 return err;
1028
1029 print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1,
1030 buf, actual_length, false);
1031
1032 *length = actual_length;
1033 return 0;
1034 }
1035
1036 static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev)
1037 {
1038 int err, actual_length, poll_attempts = 0;
1039 static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00,
1040 0x00, 0x00, 0x0b, 0x14,
1041 0x00, 0x00, 0x00, 0x01 };
1042 static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00,
1043 0x00, 0x00, 0x0b, 0x18 };
1044 u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL);
1045
1046 if (!buf)
1047 return -ENOMEM;
1048
1049 dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n");
1050
1051 /* First we tell the device which sample rate to use. */
1052 memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq));
1053 actual_length = sizeof(set_samplerate_seq);
1054 err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE,
1055 &actual_length);
1056
1057 if (err < 0) {
1058 dev_err(&dev->dev,
1059 "failed setting the sample rate for Motu MicroBook II: %d\n",
1060 err);
1061 goto free_buf;
1062 }
1063
1064 /* Then we poll every 100 ms until the device informs of its readiness. */
1065 while (true) {
1066 if (++poll_attempts > 100) {
1067 dev_err(&dev->dev,
1068 "failed booting Motu MicroBook II: timeout\n");
1069 err = -ENODEV;
1070 goto free_buf;
1071 }
1072
1073 memset(buf, 0, MICROBOOK_BUF_SIZE);
1074 memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq));
1075
1076 actual_length = sizeof(poll_ready_seq);
1077 err = snd_usb_motu_microbookii_communicate(
1078 dev, buf, MICROBOOK_BUF_SIZE, &actual_length);
1079 if (err < 0) {
1080 dev_err(&dev->dev,
1081 "failed booting Motu MicroBook II: communication error %d\n",
1082 err);
1083 goto free_buf;
1084 }
1085
1086 /* the device signals its readiness through a message of the
1087 * form
1088 * XX 06 00 00 00 00 0b 18 00 00 00 01
1089 * If the device is not yet ready to accept audio data, the
1090 * last byte of that sequence is 00.
1091 */
1092 if (actual_length == 12 && buf[actual_length - 1] == 1)
1093 break;
1094
1095 msleep(100);
1096 }
1097
1098 dev_info(&dev->dev, "MOTU MicroBook II ready\n");
1099
1100 free_buf:
1101 kfree(buf);
1102 return err;
1103 }
1104
1105 /*
1106 * Setup quirks
1107 */
1108 #define MAUDIO_SET 0x01 /* parse device_setup */
1109 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */
1110 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */
1111 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
1112 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */
1113 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */
1114 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */
1115 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */
1116 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */
1117 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */
1118 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */
1119
1120 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
1121 int iface, int altno)
1122 {
1123 /* Reset ALL ifaces to 0 altsetting.
1124 * Call it for every possible altsetting of every interface.
1125 */
1126 usb_set_interface(chip->dev, iface, 0);
1127 if (chip->setup & MAUDIO_SET) {
1128 if (chip->setup & MAUDIO_SET_COMPATIBLE) {
1129 if (iface != 1 && iface != 2)
1130 return 1; /* skip all interfaces but 1 and 2 */
1131 } else {
1132 unsigned int mask;
1133 if (iface == 1 || iface == 2)
1134 return 1; /* skip interfaces 1 and 2 */
1135 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1136 return 1; /* skip this altsetting */
1137 mask = chip->setup & MAUDIO_SET_MASK;
1138 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1139 return 1; /* skip this altsetting */
1140 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1141 return 1; /* skip this altsetting */
1142 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
1143 return 1; /* skip this altsetting */
1144 }
1145 }
1146 usb_audio_dbg(chip,
1147 "using altsetting %d for interface %d config %d\n",
1148 altno, iface, chip->setup);
1149 return 0; /* keep this altsetting */
1150 }
1151
1152 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
1153 int iface,
1154 int altno)
1155 {
1156 /* Reset ALL ifaces to 0 altsetting.
1157 * Call it for every possible altsetting of every interface.
1158 */
1159 usb_set_interface(chip->dev, iface, 0);
1160
1161 if (chip->setup & MAUDIO_SET) {
1162 unsigned int mask;
1163 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
1164 return 1; /* skip this altsetting */
1165 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1166 return 1; /* skip this altsetting */
1167 mask = chip->setup & MAUDIO_SET_MASK;
1168 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1169 return 1; /* skip this altsetting */
1170 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1171 return 1; /* skip this altsetting */
1172 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
1173 return 1; /* skip this altsetting */
1174 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
1175 return 1; /* skip this altsetting */
1176 }
1177
1178 return 0; /* keep this altsetting */
1179 }
1180
1181 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
1182 int iface, int altno)
1183 {
1184 /* Reset ALL ifaces to 0 altsetting.
1185 * Call it for every possible altsetting of every interface.
1186 */
1187 usb_set_interface(chip->dev, iface, 0);
1188
1189 /* possible configuration where both inputs and only one output is
1190 *used is not supported by the current setup
1191 */
1192 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
1193 if (chip->setup & MAUDIO_SET_96K) {
1194 if (altno != 3 && altno != 6)
1195 return 1;
1196 } else if (chip->setup & MAUDIO_SET_DI) {
1197 if (iface == 4)
1198 return 1; /* no analog input */
1199 if (altno != 2 && altno != 5)
1200 return 1; /* enable only altsets 2 and 5 */
1201 } else {
1202 if (iface == 5)
1203 return 1; /* disable digialt input */
1204 if (altno != 2 && altno != 5)
1205 return 1; /* enalbe only altsets 2 and 5 */
1206 }
1207 } else {
1208 /* keep only 16-Bit mode */
1209 if (altno != 1)
1210 return 1;
1211 }
1212
1213 usb_audio_dbg(chip,
1214 "using altsetting %d for interface %d config %d\n",
1215 altno, iface, chip->setup);
1216 return 0; /* keep this altsetting */
1217 }
1218
1219 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
1220 int iface,
1221 int altno)
1222 {
1223 /* audiophile usb: skip altsets incompatible with device_setup */
1224 if (chip->usb_id == USB_ID(0x0763, 0x2003))
1225 return audiophile_skip_setting_quirk(chip, iface, altno);
1226 /* quattro usb: skip altsets incompatible with device_setup */
1227 if (chip->usb_id == USB_ID(0x0763, 0x2001))
1228 return quattro_skip_setting_quirk(chip, iface, altno);
1229 /* fasttrackpro usb: skip altsets incompatible with device_setup */
1230 if (chip->usb_id == USB_ID(0x0763, 0x2012))
1231 return fasttrackpro_skip_setting_quirk(chip, iface, altno);
1232
1233 return 0;
1234 }
1235
1236 int snd_usb_apply_boot_quirk(struct usb_device *dev,
1237 struct usb_interface *intf,
1238 const struct snd_usb_audio_quirk *quirk,
1239 unsigned int id)
1240 {
1241 switch (id) {
1242 case USB_ID(0x041e, 0x3000):
1243 /* SB Extigy needs special boot-up sequence */
1244 /* if more models come, this will go to the quirk list. */
1245 return snd_usb_extigy_boot_quirk(dev, intf);
1246
1247 case USB_ID(0x041e, 0x3020):
1248 /* SB Audigy 2 NX needs its own boot-up magic, too */
1249 return snd_usb_audigy2nx_boot_quirk(dev);
1250
1251 case USB_ID(0x10f5, 0x0200):
1252 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1253 return snd_usb_cm106_boot_quirk(dev);
1254
1255 case USB_ID(0x0d8c, 0x0102):
1256 /* C-Media CM6206 / CM106-Like Sound Device */
1257 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1258 return snd_usb_cm6206_boot_quirk(dev);
1259
1260 case USB_ID(0x0dba, 0x3000):
1261 /* Digidesign Mbox 2 */
1262 return snd_usb_mbox2_boot_quirk(dev);
1263
1264 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1265 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1266 return snd_usb_novation_boot_quirk(dev);
1267
1268 case USB_ID(0x133e, 0x0815):
1269 /* Access Music VirusTI Desktop */
1270 return snd_usb_accessmusic_boot_quirk(dev);
1271
1272 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1273 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1274 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1275 return snd_usb_nativeinstruments_boot_quirk(dev);
1276 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
1277 return snd_usb_fasttrackpro_boot_quirk(dev);
1278 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1279 return snd_usb_gamecon780_boot_quirk(dev);
1280 case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */
1281 return snd_usb_axefx3_boot_quirk(dev);
1282 case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */
1283 return snd_usb_motu_microbookii_boot_quirk(dev);
1284 }
1285
1286 return 0;
1287 }
1288
1289 /*
1290 * check if the device uses big-endian samples
1291 */
1292 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp)
1293 {
1294 /* it depends on altsetting whether the device is big-endian or not */
1295 switch (chip->usb_id) {
1296 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1297 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1298 fp->altsetting == 5 || fp->altsetting == 6)
1299 return 1;
1300 break;
1301 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1302 if (chip->setup == 0x00 ||
1303 fp->altsetting == 1 || fp->altsetting == 2 ||
1304 fp->altsetting == 3)
1305 return 1;
1306 break;
1307 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1308 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1309 fp->altsetting == 5 || fp->altsetting == 6)
1310 return 1;
1311 break;
1312 }
1313 return 0;
1314 }
1315
1316 /*
1317 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1318 * not for interface.
1319 */
1320
1321 enum {
1322 EMU_QUIRK_SR_44100HZ = 0,
1323 EMU_QUIRK_SR_48000HZ,
1324 EMU_QUIRK_SR_88200HZ,
1325 EMU_QUIRK_SR_96000HZ,
1326 EMU_QUIRK_SR_176400HZ,
1327 EMU_QUIRK_SR_192000HZ
1328 };
1329
1330 static void set_format_emu_quirk(struct snd_usb_substream *subs,
1331 struct audioformat *fmt)
1332 {
1333 unsigned char emu_samplerate_id = 0;
1334
1335 /* When capture is active
1336 * sample rate shouldn't be changed
1337 * by playback substream
1338 */
1339 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1340 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1)
1341 return;
1342 }
1343
1344 switch (fmt->rate_min) {
1345 case 48000:
1346 emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
1347 break;
1348 case 88200:
1349 emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
1350 break;
1351 case 96000:
1352 emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
1353 break;
1354 case 176400:
1355 emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
1356 break;
1357 case 192000:
1358 emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
1359 break;
1360 default:
1361 emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
1362 break;
1363 }
1364 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
1365 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
1366 }
1367
1368 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
1369 struct audioformat *fmt)
1370 {
1371 switch (subs->stream->chip->usb_id) {
1372 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1373 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1374 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1375 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1376 set_format_emu_quirk(subs, fmt);
1377 break;
1378 }
1379 }
1380
1381 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
1382 {
1383 /* devices which do not support reading the sample rate. */
1384 switch (chip->usb_id) {
1385 case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */
1386 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
1387 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
1388 case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
1389 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
1390 case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
1391 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
1392 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
1393 return true;
1394 }
1395
1396 /* devices of these vendors don't support reading rate, either */
1397 switch (USB_ID_VENDOR(chip->usb_id)) {
1398 case 0x045E: /* MS Lifecam */
1399 case 0x047F: /* Plantronics */
1400 case 0x1de7: /* Phoenix Audio */
1401 return true;
1402 }
1403
1404 return false;
1405 }
1406
1407 /* ITF-USB DSD based DACs need a vendor cmd to switch
1408 * between PCM and native DSD mode
1409 */
1410 static bool is_itf_usb_dsd_dac(unsigned int id)
1411 {
1412 switch (id) {
1413 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */
1414 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */
1415 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */
1416 case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */
1417 case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
1418 case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */
1419 case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */
1420 return true;
1421 }
1422 return false;
1423 }
1424
1425 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
1426 struct audioformat *fmt)
1427 {
1428 struct usb_device *dev = subs->dev;
1429 int err;
1430
1431 if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) {
1432 /* First switch to alt set 0, otherwise the mode switch cmd
1433 * will not be accepted by the DAC
1434 */
1435 err = usb_set_interface(dev, fmt->iface, 0);
1436 if (err < 0)
1437 return err;
1438
1439 msleep(20); /* Delay needed after setting the interface */
1440
1441 /* Vendor mode switch cmd is required. */
1442 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
1443 /* DSD mode (DSD_U32) requested */
1444 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1445 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1446 1, 1, NULL, 0);
1447 if (err < 0)
1448 return err;
1449
1450 } else {
1451 /* PCM or DOP mode (S32) requested */
1452 /* PCM mode (S16) requested */
1453 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1454 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1455 0, 1, NULL, 0);
1456 if (err < 0)
1457 return err;
1458
1459 }
1460 msleep(20);
1461 }
1462 return 0;
1463 }
1464
1465 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
1466 {
1467 /*
1468 * "Playback Design" products send bogus feedback data at the start
1469 * of the stream. Ignore them.
1470 */
1471 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
1472 ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
1473 ep->skip_packets = 4;
1474
1475 /*
1476 * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1477 * world latency varies by approx. +/- 50 frames (at 96KHz) each time
1478 * the stream is (re)started. When skipping packets 16 at endpoint
1479 * start up, the real world latency is stable within +/- 1 frame (also
1480 * across power cycles).
1481 */
1482 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
1483 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
1484 ep->type == SND_USB_ENDPOINT_TYPE_DATA)
1485 ep->skip_packets = 16;
1486
1487 /* Work around devices that report unreasonable feedback data */
1488 if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-H01 */
1489 ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */
1490 ep->syncmaxsize == 4)
1491 ep->tenor_fb_quirk = 1;
1492 }
1493
1494 void snd_usb_set_interface_quirk(struct usb_device *dev)
1495 {
1496 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1497
1498 if (!chip)
1499 return;
1500 /*
1501 * "Playback Design" products need a 50ms delay after setting the
1502 * USB interface.
1503 */
1504 switch (USB_ID_VENDOR(chip->usb_id)) {
1505 case 0x23ba: /* Playback Design */
1506 case 0x0644: /* TEAC Corp. */
1507 msleep(50);
1508 break;
1509 }
1510 }
1511
1512 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
1513 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
1514 __u8 request, __u8 requesttype, __u16 value,
1515 __u16 index, void *data, __u16 size)
1516 {
1517 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1518
1519 if (!chip)
1520 return;
1521 /*
1522 * "Playback Design" products need a 20ms delay after each
1523 * class compliant request
1524 */
1525 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1526 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1527 msleep(20);
1528
1529 /*
1530 * "TEAC Corp." products need a 20ms delay after each
1531 * class compliant request
1532 */
1533 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 &&
1534 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1535 msleep(20);
1536
1537 /* ITF-USB DSD based DACs functionality need a delay
1538 * after each class compliant request
1539 */
1540 if (is_itf_usb_dsd_dac(chip->usb_id)
1541 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1542 msleep(20);
1543
1544 /* Zoom R16/24, Logitech H650e, Jabra 550a needs a tiny delay here,
1545 * otherwise requests like get/set frequency return as failed despite
1546 * actually succeeding.
1547 */
1548 if ((chip->usb_id == USB_ID(0x1686, 0x00dd) ||
1549 chip->usb_id == USB_ID(0x046d, 0x0a46) ||
1550 chip->usb_id == USB_ID(0x0b0e, 0x0349)) &&
1551 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1552 usleep_range(1000, 2000);
1553 }
1554
1555 /*
1556 * snd_usb_interface_dsd_format_quirks() is called from format.c to
1557 * augment the PCM format bit-field for DSD types. The UAC standards
1558 * don't have a designated bit field to denote DSD-capable interfaces,
1559 * hence all hardware that is known to support this format has to be
1560 * listed here.
1561 */
1562 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
1563 struct audioformat *fp,
1564 unsigned int sample_bytes)
1565 {
1566 struct usb_interface *iface;
1567
1568 /* Playback Designs */
1569 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1570 USB_ID_PRODUCT(chip->usb_id) < 0x0110) {
1571 switch (fp->altsetting) {
1572 case 1:
1573 fp->dsd_dop = true;
1574 return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1575 case 2:
1576 fp->dsd_bitrev = true;
1577 return SNDRV_PCM_FMTBIT_DSD_U8;
1578 case 3:
1579 fp->dsd_bitrev = true;
1580 return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1581 }
1582 }
1583
1584 /* XMOS based USB DACs */
1585 switch (chip->usb_id) {
1586 case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
1587 case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
1588 case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
1589 if (fp->altsetting == 2)
1590 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1591 break;
1592
1593 case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
1594 case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
1595 case USB_ID(0x16b0, 0x06b2): /* NuPrime DAC-10 */
1596 case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
1597 case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
1598 case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
1599 case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
1600 case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
1601 case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
1602 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
1603 case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */
1604 case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */
1605 case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */
1606 case USB_ID(0x6b42, 0x0042): /* MSB Technology */
1607 if (fp->altsetting == 3)
1608 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1609 break;
1610
1611 /* Amanero Combo384 USB based DACs with native DSD support */
1612 case USB_ID(0x16d0, 0x071a): /* Amanero - Combo384 */
1613 case USB_ID(0x2ab6, 0x0004): /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */
1614 case USB_ID(0x2ab6, 0x0005): /* T+A USB HD Audio 1 */
1615 case USB_ID(0x2ab6, 0x0006): /* T+A USB HD Audio 2 */
1616 if (fp->altsetting == 2) {
1617 switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
1618 case 0x199:
1619 return SNDRV_PCM_FMTBIT_DSD_U32_LE;
1620 case 0x19b:
1621 case 0x203:
1622 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1623 default:
1624 break;
1625 }
1626 }
1627 break;
1628 case USB_ID(0x16d0, 0x0a23):
1629 if (fp->altsetting == 2)
1630 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1631 break;
1632
1633 default:
1634 break;
1635 }
1636
1637 /* ITF-USB DSD based DACs */
1638 if (is_itf_usb_dsd_dac(chip->usb_id)) {
1639 iface = usb_ifnum_to_if(chip->dev, fp->iface);
1640
1641 /* Altsetting 2 support native DSD if the num of altsets is
1642 * three (0-2),
1643 * Altsetting 3 support native DSD if the num of altsets is
1644 * four (0-3).
1645 */
1646 if (fp->altsetting == iface->num_altsetting - 1)
1647 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1648 }
1649
1650 /* Mostly generic method to detect many DSD-capable implementations -
1651 * from XMOS/Thesycon
1652 */
1653 switch (USB_ID_VENDOR(chip->usb_id)) {
1654 case 0x152a: /* Thesycon devices */
1655 case 0x20b1: /* XMOS based devices */
1656 case 0x22d9: /* Oppo */
1657 case 0x23ba: /* Playback Designs */
1658 case 0x25ce: /* Mytek devices */
1659 case 0x278b: /* Rotel? */
1660 case 0x292b: /* Gustard/Ess based devices */
1661 case 0x2ab6: /* T+A devices */
1662 case 0x3842: /* EVGA */
1663 case 0xc502: /* HiBy devices */
1664 if (fp->dsd_raw)
1665 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1666 break;
1667 default:
1668 break;
1669
1670 }
1671
1672 return 0;
1673 }
1674
1675 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
1676 struct audioformat *fp,
1677 int stream)
1678 {
1679 switch (chip->usb_id) {
1680 case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
1681 /* Optoplay sets the sample rate attribute although
1682 * it seems not supporting it in fact.
1683 */
1684 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
1685 break;
1686 case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
1687 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1688 /* doesn't set the sample rate attribute, but supports it */
1689 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
1690 break;
1691 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */
1692 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
1693 case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
1694 case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
1695 an older model 77d:223) */
1696 /*
1697 * plantronics headset and Griffin iMic have set adaptive-in
1698 * although it's really not...
1699 */
1700 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
1701 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1702 fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
1703 else
1704 fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
1705 break;
1706 }
1707 }
Linux with added FPC-III support