Linux 4.19.140
[linux/fpc-iii.git] / sound / usb / quirks.c
blob8d9117312e30c56eddc60257b3980ade70e1f85a
1 /*
2 * This program is free software; you can redistribute it and/or modify
3 * it under the terms of the GNU General Public License as published by
4 * the Free Software Foundation; either version 2 of the License, or
5 * (at your option) any later version.
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
12 * You should have received a copy of the GNU General Public License
13 * along with this program; if not, write to the Free Software
14 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 #include <linux/init.h>
18 #include <linux/slab.h>
19 #include <linux/usb.h>
20 #include <linux/usb/audio.h>
21 #include <linux/usb/midi.h>
23 #include <sound/control.h>
24 #include <sound/core.h>
25 #include <sound/info.h>
26 #include <sound/pcm.h>
28 #include "usbaudio.h"
29 #include "card.h"
30 #include "mixer.h"
31 #include "mixer_quirks.h"
32 #include "midi.h"
33 #include "quirks.h"
34 #include "helper.h"
35 #include "endpoint.h"
36 #include "pcm.h"
37 #include "clock.h"
38 #include "stream.h"
41 * handle the quirks for the contained interfaces
43 static int create_composite_quirk(struct snd_usb_audio *chip,
44 struct usb_interface *iface,
45 struct usb_driver *driver,
46 const struct snd_usb_audio_quirk *quirk_comp)
48 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
49 const struct snd_usb_audio_quirk *quirk;
50 int err;
52 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
53 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
54 if (!iface)
55 continue;
56 if (quirk->ifnum != probed_ifnum &&
57 usb_interface_claimed(iface))
58 continue;
59 err = snd_usb_create_quirk(chip, iface, driver, quirk);
60 if (err < 0)
61 return err;
64 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
65 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
66 if (!iface)
67 continue;
68 if (quirk->ifnum != probed_ifnum &&
69 !usb_interface_claimed(iface))
70 usb_driver_claim_interface(driver, iface, (void *)-1L);
73 return 0;
76 static int ignore_interface_quirk(struct snd_usb_audio *chip,
77 struct usb_interface *iface,
78 struct usb_driver *driver,
79 const struct snd_usb_audio_quirk *quirk)
81 return 0;
86 * Allow alignment on audio sub-slot (channel samples) rather than
87 * on audio slots (audio frames)
89 static int create_align_transfer_quirk(struct snd_usb_audio *chip,
90 struct usb_interface *iface,
91 struct usb_driver *driver,
92 const struct snd_usb_audio_quirk *quirk)
94 chip->txfr_quirk = 1;
95 return 1; /* Continue with creating streams and mixer */
98 static int create_any_midi_quirk(struct snd_usb_audio *chip,
99 struct usb_interface *intf,
100 struct usb_driver *driver,
101 const struct snd_usb_audio_quirk *quirk)
103 return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk);
107 * create a stream for an interface with proper descriptors
109 static int create_standard_audio_quirk(struct snd_usb_audio *chip,
110 struct usb_interface *iface,
111 struct usb_driver *driver,
112 const struct snd_usb_audio_quirk *quirk)
114 struct usb_host_interface *alts;
115 struct usb_interface_descriptor *altsd;
116 int err;
118 if (chip->usb_id == USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */
119 chip->tx_length_quirk = 1;
121 alts = &iface->altsetting[0];
122 altsd = get_iface_desc(alts);
123 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
124 if (err < 0) {
125 usb_audio_err(chip, "cannot setup if %d: error %d\n",
126 altsd->bInterfaceNumber, err);
127 return err;
129 /* reset the current interface */
130 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
131 return 0;
135 * create a stream for an endpoint/altsetting without proper descriptors
137 static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
138 struct usb_interface *iface,
139 struct usb_driver *driver,
140 const struct snd_usb_audio_quirk *quirk)
142 struct audioformat *fp;
143 struct usb_host_interface *alts;
144 struct usb_interface_descriptor *altsd;
145 int stream, err;
146 unsigned *rate_table = NULL;
148 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
149 if (!fp)
150 return -ENOMEM;
152 INIT_LIST_HEAD(&fp->list);
153 if (fp->nr_rates > MAX_NR_RATES) {
154 kfree(fp);
155 return -EINVAL;
157 if (fp->nr_rates > 0) {
158 rate_table = kmemdup(fp->rate_table,
159 sizeof(int) * fp->nr_rates, GFP_KERNEL);
160 if (!rate_table) {
161 kfree(fp);
162 return -ENOMEM;
164 fp->rate_table = rate_table;
167 stream = (fp->endpoint & USB_DIR_IN)
168 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
169 err = snd_usb_add_audio_stream(chip, stream, fp);
170 if (err < 0)
171 goto error;
172 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
173 fp->altset_idx >= iface->num_altsetting) {
174 err = -EINVAL;
175 goto error;
177 alts = &iface->altsetting[fp->altset_idx];
178 altsd = get_iface_desc(alts);
179 if (altsd->bNumEndpoints < 1) {
180 err = -EINVAL;
181 goto error;
184 fp->protocol = altsd->bInterfaceProtocol;
186 if (fp->datainterval == 0)
187 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
188 if (fp->maxpacksize == 0)
189 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
190 usb_set_interface(chip->dev, fp->iface, 0);
191 snd_usb_init_pitch(chip, fp->iface, alts, fp);
192 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
193 return 0;
195 error:
196 list_del(&fp->list); /* unlink for avoiding double-free */
197 kfree(fp);
198 kfree(rate_table);
199 return err;
202 static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
203 struct usb_interface *iface,
204 struct usb_driver *driver)
206 struct usb_host_interface *alts;
207 struct usb_interface_descriptor *altsd;
208 struct usb_endpoint_descriptor *epd;
209 struct uac1_as_header_descriptor *ashd;
210 struct uac_format_type_i_discrete_descriptor *fmtd;
213 * Most Roland/Yamaha audio streaming interfaces have more or less
214 * standard descriptors, but older devices might lack descriptors, and
215 * future ones might change, so ensure that we fail silently if the
216 * interface doesn't look exactly right.
219 /* must have a non-zero altsetting for streaming */
220 if (iface->num_altsetting < 2)
221 return -ENODEV;
222 alts = &iface->altsetting[1];
223 altsd = get_iface_desc(alts);
225 /* must have an isochronous endpoint for streaming */
226 if (altsd->bNumEndpoints < 1)
227 return -ENODEV;
228 epd = get_endpoint(alts, 0);
229 if (!usb_endpoint_xfer_isoc(epd))
230 return -ENODEV;
232 /* must have format descriptors */
233 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
234 UAC_AS_GENERAL);
235 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
236 UAC_FORMAT_TYPE);
237 if (!ashd || ashd->bLength < 7 ||
238 !fmtd || fmtd->bLength < 8)
239 return -ENODEV;
241 return create_standard_audio_quirk(chip, iface, driver, NULL);
244 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
245 struct usb_interface *iface,
246 struct usb_driver *driver,
247 struct usb_host_interface *alts)
249 static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
250 .type = QUIRK_MIDI_YAMAHA
252 struct usb_midi_in_jack_descriptor *injd;
253 struct usb_midi_out_jack_descriptor *outjd;
255 /* must have some valid jack descriptors */
256 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
257 NULL, USB_MS_MIDI_IN_JACK);
258 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
259 NULL, USB_MS_MIDI_OUT_JACK);
260 if (!injd && !outjd)
261 return -ENODEV;
262 if ((injd && !snd_usb_validate_midi_desc(injd)) ||
263 (outjd && !snd_usb_validate_midi_desc(outjd)))
264 return -ENODEV;
265 if (injd && (injd->bLength < 5 ||
266 (injd->bJackType != USB_MS_EMBEDDED &&
267 injd->bJackType != USB_MS_EXTERNAL)))
268 return -ENODEV;
269 if (outjd && (outjd->bLength < 6 ||
270 (outjd->bJackType != USB_MS_EMBEDDED &&
271 outjd->bJackType != USB_MS_EXTERNAL)))
272 return -ENODEV;
273 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
276 static int create_roland_midi_quirk(struct snd_usb_audio *chip,
277 struct usb_interface *iface,
278 struct usb_driver *driver,
279 struct usb_host_interface *alts)
281 static const struct snd_usb_audio_quirk roland_midi_quirk = {
282 .type = QUIRK_MIDI_ROLAND
284 u8 *roland_desc = NULL;
286 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */
287 for (;;) {
288 roland_desc = snd_usb_find_csint_desc(alts->extra,
289 alts->extralen,
290 roland_desc, 0xf1);
291 if (!roland_desc)
292 return -ENODEV;
293 if (roland_desc[0] < 6 || roland_desc[3] != 2)
294 continue;
295 return create_any_midi_quirk(chip, iface, driver,
296 &roland_midi_quirk);
300 static int create_std_midi_quirk(struct snd_usb_audio *chip,
301 struct usb_interface *iface,
302 struct usb_driver *driver,
303 struct usb_host_interface *alts)
305 struct usb_ms_header_descriptor *mshd;
306 struct usb_ms_endpoint_descriptor *msepd;
308 /* must have the MIDIStreaming interface header descriptor*/
309 mshd = (struct usb_ms_header_descriptor *)alts->extra;
310 if (alts->extralen < 7 ||
311 mshd->bLength < 7 ||
312 mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
313 mshd->bDescriptorSubtype != USB_MS_HEADER)
314 return -ENODEV;
315 /* must have the MIDIStreaming endpoint descriptor*/
316 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
317 if (alts->endpoint[0].extralen < 4 ||
318 msepd->bLength < 4 ||
319 msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
320 msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
321 msepd->bNumEmbMIDIJack < 1 ||
322 msepd->bNumEmbMIDIJack > 16)
323 return -ENODEV;
325 return create_any_midi_quirk(chip, iface, driver, NULL);
328 static int create_auto_midi_quirk(struct snd_usb_audio *chip,
329 struct usb_interface *iface,
330 struct usb_driver *driver)
332 struct usb_host_interface *alts;
333 struct usb_interface_descriptor *altsd;
334 struct usb_endpoint_descriptor *epd;
335 int err;
337 alts = &iface->altsetting[0];
338 altsd = get_iface_desc(alts);
340 /* must have at least one bulk/interrupt endpoint for streaming */
341 if (altsd->bNumEndpoints < 1)
342 return -ENODEV;
343 epd = get_endpoint(alts, 0);
344 if (!usb_endpoint_xfer_bulk(epd) &&
345 !usb_endpoint_xfer_int(epd))
346 return -ENODEV;
348 switch (USB_ID_VENDOR(chip->usb_id)) {
349 case 0x0499: /* Yamaha */
350 err = create_yamaha_midi_quirk(chip, iface, driver, alts);
351 if (err != -ENODEV)
352 return err;
353 break;
354 case 0x0582: /* Roland */
355 err = create_roland_midi_quirk(chip, iface, driver, alts);
356 if (err != -ENODEV)
357 return err;
358 break;
361 return create_std_midi_quirk(chip, iface, driver, alts);
364 static int create_autodetect_quirk(struct snd_usb_audio *chip,
365 struct usb_interface *iface,
366 struct usb_driver *driver)
368 int err;
370 err = create_auto_pcm_quirk(chip, iface, driver);
371 if (err == -ENODEV)
372 err = create_auto_midi_quirk(chip, iface, driver);
373 return err;
376 static int create_autodetect_quirks(struct snd_usb_audio *chip,
377 struct usb_interface *iface,
378 struct usb_driver *driver,
379 const struct snd_usb_audio_quirk *quirk)
381 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
382 int ifcount, ifnum, err;
384 err = create_autodetect_quirk(chip, iface, driver);
385 if (err < 0)
386 return err;
389 * ALSA PCM playback/capture devices cannot be registered in two steps,
390 * so we have to claim the other corresponding interface here.
392 ifcount = chip->dev->actconfig->desc.bNumInterfaces;
393 for (ifnum = 0; ifnum < ifcount; ifnum++) {
394 if (ifnum == probed_ifnum || quirk->ifnum >= 0)
395 continue;
396 iface = usb_ifnum_to_if(chip->dev, ifnum);
397 if (!iface ||
398 usb_interface_claimed(iface) ||
399 get_iface_desc(iface->altsetting)->bInterfaceClass !=
400 USB_CLASS_VENDOR_SPEC)
401 continue;
403 err = create_autodetect_quirk(chip, iface, driver);
404 if (err >= 0)
405 usb_driver_claim_interface(driver, iface, (void *)-1L);
408 return 0;
412 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
413 * The only way to detect the sample rate is by looking at wMaxPacketSize.
415 static int create_uaxx_quirk(struct snd_usb_audio *chip,
416 struct usb_interface *iface,
417 struct usb_driver *driver,
418 const struct snd_usb_audio_quirk *quirk)
420 static const struct audioformat ua_format = {
421 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
422 .channels = 2,
423 .fmt_type = UAC_FORMAT_TYPE_I,
424 .altsetting = 1,
425 .altset_idx = 1,
426 .rates = SNDRV_PCM_RATE_CONTINUOUS,
428 struct usb_host_interface *alts;
429 struct usb_interface_descriptor *altsd;
430 struct audioformat *fp;
431 int stream, err;
433 /* both PCM and MIDI interfaces have 2 or more altsettings */
434 if (iface->num_altsetting < 2)
435 return -ENXIO;
436 alts = &iface->altsetting[1];
437 altsd = get_iface_desc(alts);
439 if (altsd->bNumEndpoints == 2) {
440 static const struct snd_usb_midi_endpoint_info ua700_ep = {
441 .out_cables = 0x0003,
442 .in_cables = 0x0003
444 static const struct snd_usb_audio_quirk ua700_quirk = {
445 .type = QUIRK_MIDI_FIXED_ENDPOINT,
446 .data = &ua700_ep
448 static const struct snd_usb_midi_endpoint_info uaxx_ep = {
449 .out_cables = 0x0001,
450 .in_cables = 0x0001
452 static const struct snd_usb_audio_quirk uaxx_quirk = {
453 .type = QUIRK_MIDI_FIXED_ENDPOINT,
454 .data = &uaxx_ep
456 const struct snd_usb_audio_quirk *quirk =
457 chip->usb_id == USB_ID(0x0582, 0x002b)
458 ? &ua700_quirk : &uaxx_quirk;
459 return __snd_usbmidi_create(chip->card, iface,
460 &chip->midi_list, quirk,
461 chip->usb_id);
464 if (altsd->bNumEndpoints != 1)
465 return -ENXIO;
467 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
468 if (!fp)
469 return -ENOMEM;
471 fp->iface = altsd->bInterfaceNumber;
472 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
473 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
474 fp->datainterval = 0;
475 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
476 INIT_LIST_HEAD(&fp->list);
478 switch (fp->maxpacksize) {
479 case 0x120:
480 fp->rate_max = fp->rate_min = 44100;
481 break;
482 case 0x138:
483 case 0x140:
484 fp->rate_max = fp->rate_min = 48000;
485 break;
486 case 0x258:
487 case 0x260:
488 fp->rate_max = fp->rate_min = 96000;
489 break;
490 default:
491 usb_audio_err(chip, "unknown sample rate\n");
492 kfree(fp);
493 return -ENXIO;
496 stream = (fp->endpoint & USB_DIR_IN)
497 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
498 err = snd_usb_add_audio_stream(chip, stream, fp);
499 if (err < 0) {
500 list_del(&fp->list); /* unlink for avoiding double-free */
501 kfree(fp);
502 return err;
504 usb_set_interface(chip->dev, fp->iface, 0);
505 return 0;
509 * Create a standard mixer for the specified interface.
511 static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
512 struct usb_interface *iface,
513 struct usb_driver *driver,
514 const struct snd_usb_audio_quirk *quirk)
516 if (quirk->ifnum < 0)
517 return 0;
519 return snd_usb_create_mixer(chip, quirk->ifnum, 0);
523 static int setup_fmt_after_resume_quirk(struct snd_usb_audio *chip,
524 struct usb_interface *iface,
525 struct usb_driver *driver,
526 const struct snd_usb_audio_quirk *quirk)
528 chip->setup_fmt_after_resume_quirk = 1;
529 return 1; /* Continue with creating streams and mixer */
533 * audio-interface quirks
535 * returns zero if no standard audio/MIDI parsing is needed.
536 * returns a positive value if standard audio/midi interfaces are parsed
537 * after this.
538 * returns a negative value at error.
540 int snd_usb_create_quirk(struct snd_usb_audio *chip,
541 struct usb_interface *iface,
542 struct usb_driver *driver,
543 const struct snd_usb_audio_quirk *quirk)
545 typedef int (*quirk_func_t)(struct snd_usb_audio *,
546 struct usb_interface *,
547 struct usb_driver *,
548 const struct snd_usb_audio_quirk *);
549 static const quirk_func_t quirk_funcs[] = {
550 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
551 [QUIRK_COMPOSITE] = create_composite_quirk,
552 [QUIRK_AUTODETECT] = create_autodetect_quirks,
553 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
554 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
555 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
556 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
557 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
558 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
559 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
560 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
561 [QUIRK_MIDI_CME] = create_any_midi_quirk,
562 [QUIRK_MIDI_AKAI] = create_any_midi_quirk,
563 [QUIRK_MIDI_FTDI] = create_any_midi_quirk,
564 [QUIRK_MIDI_CH345] = create_any_midi_quirk,
565 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
566 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
567 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
568 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk,
569 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
570 [QUIRK_SETUP_FMT_AFTER_RESUME] = setup_fmt_after_resume_quirk,
573 if (quirk->type < QUIRK_TYPE_COUNT) {
574 return quirk_funcs[quirk->type](chip, iface, driver, quirk);
575 } else {
576 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
577 return -ENXIO;
582 * boot quirks
585 #define EXTIGY_FIRMWARE_SIZE_OLD 794
586 #define EXTIGY_FIRMWARE_SIZE_NEW 483
588 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
590 struct usb_host_config *config = dev->actconfig;
591 int err;
593 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
594 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
595 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
596 /* Send message to force it to reconnect with full interface. */
597 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
598 0x10, 0x43, 0x0001, 0x000a, NULL, 0);
599 if (err < 0)
600 dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
601 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
602 &dev->descriptor, sizeof(dev->descriptor));
603 config = dev->actconfig;
604 if (err < 0)
605 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
606 err = usb_reset_configuration(dev);
607 if (err < 0)
608 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
609 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
610 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
611 return -ENODEV; /* quit this anyway */
613 return 0;
616 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
618 u8 buf = 1;
620 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
621 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
622 0, 0, &buf, 1);
623 if (buf == 0) {
624 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
625 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
626 1, 2000, NULL, 0);
627 return -ENODEV;
629 return 0;
632 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
634 int err;
636 if (dev->actconfig->desc.bConfigurationValue == 1) {
637 dev_info(&dev->dev,
638 "Fast Track Pro switching to config #2\n");
639 /* This function has to be available by the usb core module.
640 * if it is not avialable the boot quirk has to be left out
641 * and the configuration has to be set by udev or hotplug
642 * rules
644 err = usb_driver_set_configuration(dev, 2);
645 if (err < 0)
646 dev_dbg(&dev->dev,
647 "error usb_driver_set_configuration: %d\n",
648 err);
649 /* Always return an error, so that we stop creating a device
650 that will just be destroyed and recreated with a new
651 configuration */
652 return -ENODEV;
653 } else
654 dev_info(&dev->dev, "Fast Track Pro config OK\n");
656 return 0;
660 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
661 * documented in the device's data sheet.
663 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
665 u8 buf[4];
666 buf[0] = 0x20;
667 buf[1] = value & 0xff;
668 buf[2] = (value >> 8) & 0xff;
669 buf[3] = reg;
670 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
671 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
672 0, 0, &buf, 4);
675 static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
678 * Enable line-out driver mode, set headphone source to front
679 * channels, enable stereo mic.
681 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
685 * C-Media CM6206 is based on CM106 with two additional
686 * registers that are not documented in the data sheet.
687 * Values here are chosen based on sniffing USB traffic
688 * under Windows.
690 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
692 int err = 0, reg;
693 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000};
695 for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
696 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
697 if (err < 0)
698 return err;
701 return err;
704 /* quirk for Plantronics GameCom 780 with CM6302 chip */
705 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
707 /* set the initial volume and don't change; other values are either
708 * too loud or silent due to firmware bug (bko#65251)
710 u8 buf[2] = { 0x74, 0xe3 };
711 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
712 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
713 UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
717 * Novation Twitch DJ controller
718 * Focusrite Novation Saffire 6 USB audio card
720 static int snd_usb_novation_boot_quirk(struct usb_device *dev)
722 /* preemptively set up the device because otherwise the
723 * raw MIDI endpoints are not active */
724 usb_set_interface(dev, 0, 1);
725 return 0;
729 * This call will put the synth in "USB send" mode, i.e it will send MIDI
730 * messages through USB (this is disabled at startup). The synth will
731 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
732 * sign on its LCD. Values here are chosen based on sniffing USB traffic
733 * under Windows.
735 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
737 int err, actual_length;
739 /* "midi send" enable */
740 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
742 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
743 if (!buf)
744 return -ENOMEM;
745 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
746 ARRAY_SIZE(seq), &actual_length, 1000);
747 kfree(buf);
748 if (err < 0)
749 return err;
751 return 0;
755 * Some sound cards from Native Instruments are in fact compliant to the USB
756 * audio standard of version 2 and other approved USB standards, even though
757 * they come up as vendor-specific device when first connected.
759 * However, they can be told to come up with a new set of descriptors
760 * upon their next enumeration, and the interfaces announced by the new
761 * descriptors will then be handled by the kernel's class drivers. As the
762 * product ID will also change, no further checks are required.
765 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
767 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
768 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
769 1, 0, NULL, 0, 1000);
771 if (ret < 0)
772 return ret;
774 usb_reset_device(dev);
776 /* return -EAGAIN, so the creation of an audio interface for this
777 * temporary device is aborted. The device will reconnect with a
778 * new product ID */
779 return -EAGAIN;
782 static void mbox2_setup_48_24_magic(struct usb_device *dev)
784 u8 srate[3];
785 u8 temp[12];
787 /* Choose 48000Hz permanently */
788 srate[0] = 0x80;
789 srate[1] = 0xbb;
790 srate[2] = 0x00;
792 /* Send the magic! */
793 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
794 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
795 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
796 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
797 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
798 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
799 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
800 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
801 return;
804 /* Digidesign Mbox 2 needs to load firmware onboard
805 * and driver must wait a few seconds for initialisation.
808 #define MBOX2_FIRMWARE_SIZE 646
809 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */
810 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */
812 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
814 struct usb_host_config *config = dev->actconfig;
815 int err;
816 u8 bootresponse[0x12];
817 int fwsize;
818 int count;
820 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
822 if (fwsize != MBOX2_FIRMWARE_SIZE) {
823 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
824 return -ENODEV;
827 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
829 count = 0;
830 bootresponse[0] = MBOX2_BOOT_LOADING;
831 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
832 msleep(500); /* 0.5 second delay */
833 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
834 /* Control magic - load onboard firmware */
835 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
836 if (bootresponse[0] == MBOX2_BOOT_READY)
837 break;
838 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
839 count++;
842 if (bootresponse[0] != MBOX2_BOOT_READY) {
843 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
844 return -ENODEV;
847 dev_dbg(&dev->dev, "device initialised!\n");
849 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
850 &dev->descriptor, sizeof(dev->descriptor));
851 config = dev->actconfig;
852 if (err < 0)
853 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
855 err = usb_reset_configuration(dev);
856 if (err < 0)
857 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
858 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
859 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
861 mbox2_setup_48_24_magic(dev);
863 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
865 return 0; /* Successful boot */
868 static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
870 int err;
872 dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
874 /* If the Axe-Fx III has not fully booted, it will timeout when trying
875 * to enable the audio streaming interface. A more generous timeout is
876 * used here to detect when the Axe-Fx III has finished booting as the
877 * set interface message will be acked once it has
879 err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
880 USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
881 1, 1, NULL, 0, 120000);
882 if (err < 0) {
883 dev_err(&dev->dev,
884 "failed waiting for Axe-Fx III to boot: %d\n", err);
885 return err;
888 dev_dbg(&dev->dev, "Axe-Fx III is now ready\n");
890 err = usb_set_interface(dev, 1, 0);
891 if (err < 0)
892 dev_dbg(&dev->dev,
893 "error stopping Axe-Fx III interface: %d\n", err);
895 return 0;
899 * Setup quirks
901 #define MAUDIO_SET 0x01 /* parse device_setup */
902 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */
903 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */
904 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
905 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */
906 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */
907 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */
908 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */
909 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */
910 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */
911 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */
913 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
914 int iface, int altno)
916 /* Reset ALL ifaces to 0 altsetting.
917 * Call it for every possible altsetting of every interface.
919 usb_set_interface(chip->dev, iface, 0);
920 if (chip->setup & MAUDIO_SET) {
921 if (chip->setup & MAUDIO_SET_COMPATIBLE) {
922 if (iface != 1 && iface != 2)
923 return 1; /* skip all interfaces but 1 and 2 */
924 } else {
925 unsigned int mask;
926 if (iface == 1 || iface == 2)
927 return 1; /* skip interfaces 1 and 2 */
928 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
929 return 1; /* skip this altsetting */
930 mask = chip->setup & MAUDIO_SET_MASK;
931 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
932 return 1; /* skip this altsetting */
933 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
934 return 1; /* skip this altsetting */
935 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
936 return 1; /* skip this altsetting */
939 usb_audio_dbg(chip,
940 "using altsetting %d for interface %d config %d\n",
941 altno, iface, chip->setup);
942 return 0; /* keep this altsetting */
945 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
946 int iface,
947 int altno)
949 /* Reset ALL ifaces to 0 altsetting.
950 * Call it for every possible altsetting of every interface.
952 usb_set_interface(chip->dev, iface, 0);
954 if (chip->setup & MAUDIO_SET) {
955 unsigned int mask;
956 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
957 return 1; /* skip this altsetting */
958 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
959 return 1; /* skip this altsetting */
960 mask = chip->setup & MAUDIO_SET_MASK;
961 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
962 return 1; /* skip this altsetting */
963 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
964 return 1; /* skip this altsetting */
965 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
966 return 1; /* skip this altsetting */
967 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
968 return 1; /* skip this altsetting */
971 return 0; /* keep this altsetting */
974 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
975 int iface, int altno)
977 /* Reset ALL ifaces to 0 altsetting.
978 * Call it for every possible altsetting of every interface.
980 usb_set_interface(chip->dev, iface, 0);
982 /* possible configuration where both inputs and only one output is
983 *used is not supported by the current setup
985 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
986 if (chip->setup & MAUDIO_SET_96K) {
987 if (altno != 3 && altno != 6)
988 return 1;
989 } else if (chip->setup & MAUDIO_SET_DI) {
990 if (iface == 4)
991 return 1; /* no analog input */
992 if (altno != 2 && altno != 5)
993 return 1; /* enable only altsets 2 and 5 */
994 } else {
995 if (iface == 5)
996 return 1; /* disable digialt input */
997 if (altno != 2 && altno != 5)
998 return 1; /* enalbe only altsets 2 and 5 */
1000 } else {
1001 /* keep only 16-Bit mode */
1002 if (altno != 1)
1003 return 1;
1006 usb_audio_dbg(chip,
1007 "using altsetting %d for interface %d config %d\n",
1008 altno, iface, chip->setup);
1009 return 0; /* keep this altsetting */
1012 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
1013 int iface,
1014 int altno)
1016 /* audiophile usb: skip altsets incompatible with device_setup */
1017 if (chip->usb_id == USB_ID(0x0763, 0x2003))
1018 return audiophile_skip_setting_quirk(chip, iface, altno);
1019 /* quattro usb: skip altsets incompatible with device_setup */
1020 if (chip->usb_id == USB_ID(0x0763, 0x2001))
1021 return quattro_skip_setting_quirk(chip, iface, altno);
1022 /* fasttrackpro usb: skip altsets incompatible with device_setup */
1023 if (chip->usb_id == USB_ID(0x0763, 0x2012))
1024 return fasttrackpro_skip_setting_quirk(chip, iface, altno);
1026 return 0;
1029 int snd_usb_apply_boot_quirk(struct usb_device *dev,
1030 struct usb_interface *intf,
1031 const struct snd_usb_audio_quirk *quirk,
1032 unsigned int id)
1034 switch (id) {
1035 case USB_ID(0x041e, 0x3000):
1036 /* SB Extigy needs special boot-up sequence */
1037 /* if more models come, this will go to the quirk list. */
1038 return snd_usb_extigy_boot_quirk(dev, intf);
1040 case USB_ID(0x041e, 0x3020):
1041 /* SB Audigy 2 NX needs its own boot-up magic, too */
1042 return snd_usb_audigy2nx_boot_quirk(dev);
1044 case USB_ID(0x10f5, 0x0200):
1045 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1046 return snd_usb_cm106_boot_quirk(dev);
1048 case USB_ID(0x0d8c, 0x0102):
1049 /* C-Media CM6206 / CM106-Like Sound Device */
1050 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1051 return snd_usb_cm6206_boot_quirk(dev);
1053 case USB_ID(0x0dba, 0x3000):
1054 /* Digidesign Mbox 2 */
1055 return snd_usb_mbox2_boot_quirk(dev);
1057 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1058 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1059 return snd_usb_novation_boot_quirk(dev);
1061 case USB_ID(0x133e, 0x0815):
1062 /* Access Music VirusTI Desktop */
1063 return snd_usb_accessmusic_boot_quirk(dev);
1065 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1066 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1067 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1068 return snd_usb_nativeinstruments_boot_quirk(dev);
1069 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
1070 return snd_usb_fasttrackpro_boot_quirk(dev);
1071 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1072 return snd_usb_gamecon780_boot_quirk(dev);
1073 case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */
1074 return snd_usb_axefx3_boot_quirk(dev);
1077 return 0;
1081 * check if the device uses big-endian samples
1083 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp)
1085 /* it depends on altsetting whether the device is big-endian or not */
1086 switch (chip->usb_id) {
1087 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1088 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1089 fp->altsetting == 5 || fp->altsetting == 6)
1090 return 1;
1091 break;
1092 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1093 if (chip->setup == 0x00 ||
1094 fp->altsetting == 1 || fp->altsetting == 2 ||
1095 fp->altsetting == 3)
1096 return 1;
1097 break;
1098 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1099 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1100 fp->altsetting == 5 || fp->altsetting == 6)
1101 return 1;
1102 break;
1104 return 0;
1108 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1109 * not for interface.
1112 enum {
1113 EMU_QUIRK_SR_44100HZ = 0,
1114 EMU_QUIRK_SR_48000HZ,
1115 EMU_QUIRK_SR_88200HZ,
1116 EMU_QUIRK_SR_96000HZ,
1117 EMU_QUIRK_SR_176400HZ,
1118 EMU_QUIRK_SR_192000HZ
1121 static void set_format_emu_quirk(struct snd_usb_substream *subs,
1122 struct audioformat *fmt)
1124 unsigned char emu_samplerate_id = 0;
1126 /* When capture is active
1127 * sample rate shouldn't be changed
1128 * by playback substream
1130 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1131 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1)
1132 return;
1135 switch (fmt->rate_min) {
1136 case 48000:
1137 emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
1138 break;
1139 case 88200:
1140 emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
1141 break;
1142 case 96000:
1143 emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
1144 break;
1145 case 176400:
1146 emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
1147 break;
1148 case 192000:
1149 emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
1150 break;
1151 default:
1152 emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
1153 break;
1155 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
1156 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
1159 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
1160 struct audioformat *fmt)
1162 switch (subs->stream->chip->usb_id) {
1163 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1164 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1165 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1166 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1167 set_format_emu_quirk(subs, fmt);
1168 break;
1169 case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
1170 subs->stream_offset_adj = 2;
1171 break;
1175 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
1177 /* devices which do not support reading the sample rate. */
1178 switch (chip->usb_id) {
1179 case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */
1180 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
1181 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
1182 case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
1183 case USB_ID(0x05a7, 0x1020): /* Bose Companion 5 */
1184 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
1185 case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
1186 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
1187 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
1188 case USB_ID(0x2912, 0x30c8): /* Audioengine D1 */
1189 return true;
1192 /* devices of these vendors don't support reading rate, either */
1193 switch (USB_ID_VENDOR(chip->usb_id)) {
1194 case 0x045E: /* MS Lifecam */
1195 case 0x047F: /* Plantronics */
1196 case 0x1de7: /* Phoenix Audio */
1197 return true;
1200 return false;
1203 /* ITF-USB DSD based DACs need a vendor cmd to switch
1204 * between PCM and native DSD mode
1206 static bool is_itf_usb_dsd_dac(unsigned int id)
1208 switch (id) {
1209 case USB_ID(0x154e, 0x1002): /* Denon DCD-1500RE */
1210 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */
1211 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */
1212 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */
1213 case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */
1214 case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
1215 case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */
1216 case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */
1217 return true;
1219 return false;
1222 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
1223 struct audioformat *fmt)
1225 struct usb_device *dev = subs->dev;
1226 int err;
1228 if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) {
1229 /* First switch to alt set 0, otherwise the mode switch cmd
1230 * will not be accepted by the DAC
1232 err = usb_set_interface(dev, fmt->iface, 0);
1233 if (err < 0)
1234 return err;
1236 msleep(20); /* Delay needed after setting the interface */
1238 /* Vendor mode switch cmd is required. */
1239 if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
1240 /* DSD mode (DSD_U32) requested */
1241 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1242 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1243 1, 1, NULL, 0);
1244 if (err < 0)
1245 return err;
1247 } else {
1248 /* PCM or DOP mode (S32) requested */
1249 /* PCM mode (S16) requested */
1250 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1251 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1252 0, 1, NULL, 0);
1253 if (err < 0)
1254 return err;
1257 msleep(20);
1259 return 0;
1262 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
1265 * "Playback Design" products send bogus feedback data at the start
1266 * of the stream. Ignore them.
1268 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
1269 ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
1270 ep->skip_packets = 4;
1273 * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1274 * world latency varies by approx. +/- 50 frames (at 96KHz) each time
1275 * the stream is (re)started. When skipping packets 16 at endpoint
1276 * start up, the real world latency is stable within +/- 1 frame (also
1277 * across power cycles).
1279 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
1280 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
1281 ep->type == SND_USB_ENDPOINT_TYPE_DATA)
1282 ep->skip_packets = 16;
1284 /* Work around devices that report unreasonable feedback data */
1285 if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) || /* TEAC UD-H01 */
1286 ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */
1287 ep->syncmaxsize == 4)
1288 ep->tenor_fb_quirk = 1;
1291 void snd_usb_set_interface_quirk(struct usb_device *dev)
1293 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1295 if (!chip)
1296 return;
1298 * "Playback Design" products need a 50ms delay after setting the
1299 * USB interface.
1301 switch (USB_ID_VENDOR(chip->usb_id)) {
1302 case 0x23ba: /* Playback Design */
1303 case 0x0644: /* TEAC Corp. */
1304 msleep(50);
1305 break;
1309 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
1310 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
1311 __u8 request, __u8 requesttype, __u16 value,
1312 __u16 index, void *data, __u16 size)
1314 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1316 if (!chip)
1317 return;
1319 * "Playback Design" products need a 20ms delay after each
1320 * class compliant request
1322 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1323 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1324 msleep(20);
1327 * "TEAC Corp." products need a 20ms delay after each
1328 * class compliant request
1330 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 &&
1331 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1332 msleep(20);
1334 /* ITF-USB DSD based DACs functionality need a delay
1335 * after each class compliant request
1337 if (is_itf_usb_dsd_dac(chip->usb_id)
1338 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1339 msleep(20);
1341 /* Zoom R16/24, Logitech H650e, Jabra 550a, Kingston HyperX needs a tiny
1342 * delay here, otherwise requests like get/set frequency return as
1343 * failed despite actually succeeding.
1345 if ((chip->usb_id == USB_ID(0x1686, 0x00dd) ||
1346 chip->usb_id == USB_ID(0x046d, 0x0a46) ||
1347 chip->usb_id == USB_ID(0x0b0e, 0x0349) ||
1348 chip->usb_id == USB_ID(0x0951, 0x16ad)) &&
1349 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1350 usleep_range(1000, 2000);
1353 * Samsung USBC Headset (AKG) need a tiny delay after each
1354 * class compliant request. (Model number: AAM625R or AAM627R)
1356 if (chip->usb_id == USB_ID(0x04e8, 0xa051) &&
1357 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1358 usleep_range(5000, 6000);
1362 * snd_usb_interface_dsd_format_quirks() is called from format.c to
1363 * augment the PCM format bit-field for DSD types. The UAC standards
1364 * don't have a designated bit field to denote DSD-capable interfaces,
1365 * hence all hardware that is known to support this format has to be
1366 * listed here.
1368 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
1369 struct audioformat *fp,
1370 unsigned int sample_bytes)
1372 struct usb_interface *iface;
1374 /* Playback Designs */
1375 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1376 USB_ID_PRODUCT(chip->usb_id) < 0x0110) {
1377 switch (fp->altsetting) {
1378 case 1:
1379 fp->dsd_dop = true;
1380 return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1381 case 2:
1382 fp->dsd_bitrev = true;
1383 return SNDRV_PCM_FMTBIT_DSD_U8;
1384 case 3:
1385 fp->dsd_bitrev = true;
1386 return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1390 /* XMOS based USB DACs */
1391 switch (chip->usb_id) {
1392 case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
1393 case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
1394 case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
1395 if (fp->altsetting == 2)
1396 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1397 break;
1399 case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
1400 case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
1401 case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */
1402 case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
1403 case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
1404 case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
1405 case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
1406 case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
1407 case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
1408 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
1409 case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */
1410 case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */
1411 case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */
1412 case USB_ID(0x6b42, 0x0042): /* MSB Technology */
1413 if (fp->altsetting == 3)
1414 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1415 break;
1417 /* Amanero Combo384 USB based DACs with native DSD support */
1418 case USB_ID(0x16d0, 0x071a): /* Amanero - Combo384 */
1419 case USB_ID(0x2ab6, 0x0004): /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */
1420 case USB_ID(0x2ab6, 0x0005): /* T+A USB HD Audio 1 */
1421 case USB_ID(0x2ab6, 0x0006): /* T+A USB HD Audio 2 */
1422 if (fp->altsetting == 2) {
1423 switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
1424 case 0x199:
1425 return SNDRV_PCM_FMTBIT_DSD_U32_LE;
1426 case 0x19b:
1427 case 0x203:
1428 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1429 default:
1430 break;
1433 break;
1434 case USB_ID(0x16d0, 0x0a23):
1435 if (fp->altsetting == 2)
1436 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1437 break;
1439 default:
1440 break;
1443 /* ITF-USB DSD based DACs */
1444 if (is_itf_usb_dsd_dac(chip->usb_id)) {
1445 iface = usb_ifnum_to_if(chip->dev, fp->iface);
1447 /* Altsetting 2 support native DSD if the num of altsets is
1448 * three (0-2),
1449 * Altsetting 3 support native DSD if the num of altsets is
1450 * four (0-3).
1452 if (fp->altsetting == iface->num_altsetting - 1)
1453 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1456 /* Mostly generic method to detect many DSD-capable implementations -
1457 * from XMOS/Thesycon
1459 switch (USB_ID_VENDOR(chip->usb_id)) {
1460 case 0x152a: /* Thesycon devices */
1461 case 0x20b1: /* XMOS based devices */
1462 case 0x22d9: /* Oppo */
1463 case 0x23ba: /* Playback Designs */
1464 case 0x25ce: /* Mytek devices */
1465 case 0x278b: /* Rotel? */
1466 case 0x292b: /* Gustard/Ess based devices */
1467 case 0x2ab6: /* T+A devices */
1468 case 0x3842: /* EVGA */
1469 case 0xc502: /* HiBy devices */
1470 if (fp->dsd_raw)
1471 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1472 break;
1473 default:
1474 break;
1478 return 0;
1481 void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
1482 struct audioformat *fp,
1483 int stream)
1485 switch (chip->usb_id) {
1486 case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
1487 /* Optoplay sets the sample rate attribute although
1488 * it seems not supporting it in fact.
1490 fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
1491 break;
1492 case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
1493 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1494 /* doesn't set the sample rate attribute, but supports it */
1495 fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
1496 break;
1497 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro USB */
1498 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
1499 case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
1500 case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
1501 an older model 77d:223) */
1503 * plantronics headset and Griffin iMic have set adaptive-in
1504 * although it's really not...
1506 fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
1507 if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1508 fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
1509 else
1510 fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
1511 break;
1516 * registration quirk:
1517 * the registration is skipped if a device matches with the given ID,
1518 * unless the interface reaches to the defined one. This is for delaying
1519 * the registration until the last known interface, so that the card and
1520 * devices appear at the same time.
1523 struct registration_quirk {
1524 unsigned int usb_id; /* composed via USB_ID() */
1525 unsigned int interface; /* the interface to trigger register */
1528 #define REG_QUIRK_ENTRY(vendor, product, iface) \
1529 { .usb_id = USB_ID(vendor, product), .interface = (iface) }
1531 static const struct registration_quirk registration_quirks[] = {
1532 REG_QUIRK_ENTRY(0x0951, 0x16d8, 2), /* Kingston HyperX AMP */
1533 REG_QUIRK_ENTRY(0x0951, 0x16ed, 2), /* Kingston HyperX Cloud Alpha S */
1534 REG_QUIRK_ENTRY(0x0951, 0x16ea, 2), /* Kingston HyperX Cloud Flight S */
1535 { 0 } /* terminator */
1538 /* return true if skipping registration */
1539 bool snd_usb_registration_quirk(struct snd_usb_audio *chip, int iface)
1541 const struct registration_quirk *q;
1543 for (q = registration_quirks; q->usb_id; q++)
1544 if (chip->usb_id == q->usb_id)
1545 return iface != q->interface;
1547 /* Register as normal */
1548 return false;