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>
31 #include "mixer_quirks.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;
52 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
53 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
56 if (quirk->ifnum != probed_ifnum &&
57 usb_interface_claimed(iface))
59 err = snd_usb_create_quirk(chip, iface, driver, quirk);
64 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
65 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
68 if (quirk->ifnum != probed_ifnum &&
69 !usb_interface_claimed(iface))
70 usb_driver_claim_interface(driver, iface, (void *)-1L);
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)
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)
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;
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);
125 usb_audio_err(chip, "cannot setup if %d: error %d\n",
126 altsd->bInterfaceNumber, err);
129 /* reset the current interface */
130 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 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;
146 unsigned *rate_table = NULL;
148 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
150 usb_audio_err(chip, "cannot memdup\n");
153 INIT_LIST_HEAD(&fp->list);
154 if (fp->nr_rates > MAX_NR_RATES) {
158 if (fp->nr_rates > 0) {
159 rate_table = kmemdup(fp->rate_table,
160 sizeof(int) * fp->nr_rates, GFP_KERNEL);
165 fp->rate_table = rate_table;
168 stream = (fp->endpoint & USB_DIR_IN)
169 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
170 err = snd_usb_add_audio_stream(chip, stream, fp);
173 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
174 fp->altset_idx >= iface->num_altsetting) {
178 alts = &iface->altsetting[fp->altset_idx];
179 altsd = get_iface_desc(alts);
180 if (altsd->bNumEndpoints < 1) {
185 fp->protocol = altsd->bInterfaceProtocol;
187 if (fp->datainterval == 0)
188 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
189 if (fp->maxpacksize == 0)
190 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
191 usb_set_interface(chip->dev, fp->iface, 0);
192 snd_usb_init_pitch(chip, fp->iface, alts, fp);
193 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
197 list_del(&fp->list); /* unlink for avoiding double-free */
203 static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
204 struct usb_interface *iface,
205 struct usb_driver *driver)
207 struct usb_host_interface *alts;
208 struct usb_interface_descriptor *altsd;
209 struct usb_endpoint_descriptor *epd;
210 struct uac1_as_header_descriptor *ashd;
211 struct uac_format_type_i_discrete_descriptor *fmtd;
214 * Most Roland/Yamaha audio streaming interfaces have more or less
215 * standard descriptors, but older devices might lack descriptors, and
216 * future ones might change, so ensure that we fail silently if the
217 * interface doesn't look exactly right.
220 /* must have a non-zero altsetting for streaming */
221 if (iface->num_altsetting < 2)
223 alts = &iface->altsetting[1];
224 altsd = get_iface_desc(alts);
226 /* must have an isochronous endpoint for streaming */
227 if (altsd->bNumEndpoints < 1)
229 epd = get_endpoint(alts, 0);
230 if (!usb_endpoint_xfer_isoc(epd))
233 /* must have format descriptors */
234 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
236 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
238 if (!ashd || ashd->bLength < 7 ||
239 !fmtd || fmtd->bLength < 8)
242 return create_standard_audio_quirk(chip, iface, driver, NULL);
245 static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
246 struct usb_interface *iface,
247 struct usb_driver *driver,
248 struct usb_host_interface *alts)
250 static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
251 .type = QUIRK_MIDI_YAMAHA
253 struct usb_midi_in_jack_descriptor *injd;
254 struct usb_midi_out_jack_descriptor *outjd;
256 /* must have some valid jack descriptors */
257 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
258 NULL, USB_MS_MIDI_IN_JACK);
259 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
260 NULL, USB_MS_MIDI_OUT_JACK);
263 if (injd && (injd->bLength < 5 ||
264 (injd->bJackType != USB_MS_EMBEDDED &&
265 injd->bJackType != USB_MS_EXTERNAL)))
267 if (outjd && (outjd->bLength < 6 ||
268 (outjd->bJackType != USB_MS_EMBEDDED &&
269 outjd->bJackType != USB_MS_EXTERNAL)))
271 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
274 static int create_roland_midi_quirk(struct snd_usb_audio *chip,
275 struct usb_interface *iface,
276 struct usb_driver *driver,
277 struct usb_host_interface *alts)
279 static const struct snd_usb_audio_quirk roland_midi_quirk = {
280 .type = QUIRK_MIDI_ROLAND
282 u8 *roland_desc = NULL;
284 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */
286 roland_desc = snd_usb_find_csint_desc(alts->extra,
291 if (roland_desc[0] < 6 || roland_desc[3] != 2)
293 return create_any_midi_quirk(chip, iface, driver,
298 static int create_std_midi_quirk(struct snd_usb_audio *chip,
299 struct usb_interface *iface,
300 struct usb_driver *driver,
301 struct usb_host_interface *alts)
303 struct usb_ms_header_descriptor *mshd;
304 struct usb_ms_endpoint_descriptor *msepd;
306 /* must have the MIDIStreaming interface header descriptor*/
307 mshd = (struct usb_ms_header_descriptor *)alts->extra;
308 if (alts->extralen < 7 ||
310 mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
311 mshd->bDescriptorSubtype != USB_MS_HEADER)
313 /* must have the MIDIStreaming endpoint descriptor*/
314 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
315 if (alts->endpoint[0].extralen < 4 ||
316 msepd->bLength < 4 ||
317 msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
318 msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
319 msepd->bNumEmbMIDIJack < 1 ||
320 msepd->bNumEmbMIDIJack > 16)
323 return create_any_midi_quirk(chip, iface, driver, NULL);
326 static int create_auto_midi_quirk(struct snd_usb_audio *chip,
327 struct usb_interface *iface,
328 struct usb_driver *driver)
330 struct usb_host_interface *alts;
331 struct usb_interface_descriptor *altsd;
332 struct usb_endpoint_descriptor *epd;
335 alts = &iface->altsetting[0];
336 altsd = get_iface_desc(alts);
338 /* must have at least one bulk/interrupt endpoint for streaming */
339 if (altsd->bNumEndpoints < 1)
341 epd = get_endpoint(alts, 0);
342 if (!usb_endpoint_xfer_bulk(epd) &&
343 !usb_endpoint_xfer_int(epd))
346 switch (USB_ID_VENDOR(chip->usb_id)) {
347 case 0x0499: /* Yamaha */
348 err = create_yamaha_midi_quirk(chip, iface, driver, alts);
352 case 0x0582: /* Roland */
353 err = create_roland_midi_quirk(chip, iface, driver, alts);
359 return create_std_midi_quirk(chip, iface, driver, alts);
362 static int create_autodetect_quirk(struct snd_usb_audio *chip,
363 struct usb_interface *iface,
364 struct usb_driver *driver)
368 err = create_auto_pcm_quirk(chip, iface, driver);
370 err = create_auto_midi_quirk(chip, iface, driver);
374 static int create_autodetect_quirks(struct snd_usb_audio *chip,
375 struct usb_interface *iface,
376 struct usb_driver *driver,
377 const struct snd_usb_audio_quirk *quirk)
379 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
380 int ifcount, ifnum, err;
382 err = create_autodetect_quirk(chip, iface, driver);
387 * ALSA PCM playback/capture devices cannot be registered in two steps,
388 * so we have to claim the other corresponding interface here.
390 ifcount = chip->dev->actconfig->desc.bNumInterfaces;
391 for (ifnum = 0; ifnum < ifcount; ifnum++) {
392 if (ifnum == probed_ifnum || quirk->ifnum >= 0)
394 iface = usb_ifnum_to_if(chip->dev, ifnum);
396 usb_interface_claimed(iface) ||
397 get_iface_desc(iface->altsetting)->bInterfaceClass !=
398 USB_CLASS_VENDOR_SPEC)
401 err = create_autodetect_quirk(chip, iface, driver);
403 usb_driver_claim_interface(driver, iface, (void *)-1L);
410 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
411 * The only way to detect the sample rate is by looking at wMaxPacketSize.
413 static int create_uaxx_quirk(struct snd_usb_audio *chip,
414 struct usb_interface *iface,
415 struct usb_driver *driver,
416 const struct snd_usb_audio_quirk *quirk)
418 static const struct audioformat ua_format = {
419 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
421 .fmt_type = UAC_FORMAT_TYPE_I,
424 .rates = SNDRV_PCM_RATE_CONTINUOUS,
426 struct usb_host_interface *alts;
427 struct usb_interface_descriptor *altsd;
428 struct audioformat *fp;
431 /* both PCM and MIDI interfaces have 2 or more altsettings */
432 if (iface->num_altsetting < 2)
434 alts = &iface->altsetting[1];
435 altsd = get_iface_desc(alts);
437 if (altsd->bNumEndpoints == 2) {
438 static const struct snd_usb_midi_endpoint_info ua700_ep = {
439 .out_cables = 0x0003,
442 static const struct snd_usb_audio_quirk ua700_quirk = {
443 .type = QUIRK_MIDI_FIXED_ENDPOINT,
446 static const struct snd_usb_midi_endpoint_info uaxx_ep = {
447 .out_cables = 0x0001,
450 static const struct snd_usb_audio_quirk uaxx_quirk = {
451 .type = QUIRK_MIDI_FIXED_ENDPOINT,
454 const struct snd_usb_audio_quirk *quirk =
455 chip->usb_id == USB_ID(0x0582, 0x002b)
456 ? &ua700_quirk : &uaxx_quirk;
457 return __snd_usbmidi_create(chip->card, iface,
458 &chip->midi_list, quirk,
462 if (altsd->bNumEndpoints != 1)
465 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
469 fp->iface = altsd->bInterfaceNumber;
470 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
471 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
472 fp->datainterval = 0;
473 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
474 INIT_LIST_HEAD(&fp->list);
476 switch (fp->maxpacksize) {
478 fp->rate_max = fp->rate_min = 44100;
482 fp->rate_max = fp->rate_min = 48000;
486 fp->rate_max = fp->rate_min = 96000;
489 usb_audio_err(chip, "unknown sample rate\n");
494 stream = (fp->endpoint & USB_DIR_IN)
495 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
496 err = snd_usb_add_audio_stream(chip, stream, fp);
498 list_del(&fp->list); /* unlink for avoiding double-free */
502 usb_set_interface(chip->dev, fp->iface, 0);
507 * Create a standard mixer for the specified interface.
509 static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
510 struct usb_interface *iface,
511 struct usb_driver *driver,
512 const struct snd_usb_audio_quirk *quirk)
514 if (quirk->ifnum < 0)
517 return snd_usb_create_mixer(chip, quirk->ifnum, 0);
521 * audio-interface quirks
523 * returns zero if no standard audio/MIDI parsing is needed.
524 * returns a positive value if standard audio/midi interfaces are parsed
526 * returns a negative value at error.
528 int snd_usb_create_quirk(struct snd_usb_audio *chip,
529 struct usb_interface *iface,
530 struct usb_driver *driver,
531 const struct snd_usb_audio_quirk *quirk)
533 typedef int (*quirk_func_t)(struct snd_usb_audio *,
534 struct usb_interface *,
536 const struct snd_usb_audio_quirk *);
537 static const quirk_func_t quirk_funcs[] = {
538 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
539 [QUIRK_COMPOSITE] = create_composite_quirk,
540 [QUIRK_AUTODETECT] = create_autodetect_quirks,
541 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
542 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
543 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
544 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
545 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
546 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
547 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
548 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
549 [QUIRK_MIDI_CME] = create_any_midi_quirk,
550 [QUIRK_MIDI_AKAI] = create_any_midi_quirk,
551 [QUIRK_MIDI_FTDI] = create_any_midi_quirk,
552 [QUIRK_MIDI_CH345] = create_any_midi_quirk,
553 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
554 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
555 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
556 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk,
557 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
560 if (quirk->type < QUIRK_TYPE_COUNT) {
561 return quirk_funcs[quirk->type](chip, iface, driver, quirk);
563 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
572 #define EXTIGY_FIRMWARE_SIZE_OLD 794
573 #define EXTIGY_FIRMWARE_SIZE_NEW 483
575 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
577 struct usb_host_config *config = dev->actconfig;
580 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
581 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
582 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
583 /* Send message to force it to reconnect with full interface. */
584 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
585 0x10, 0x43, 0x0001, 0x000a, NULL, 0);
587 dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
588 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
589 &dev->descriptor, sizeof(dev->descriptor));
590 config = dev->actconfig;
592 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
593 err = usb_reset_configuration(dev);
595 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
596 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
597 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
598 return -ENODEV; /* quit this anyway */
603 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
607 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
608 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
611 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
612 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
619 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
623 if (dev->actconfig->desc.bConfigurationValue == 1) {
625 "Fast Track Pro switching to config #2\n");
626 /* This function has to be available by the usb core module.
627 * if it is not avialable the boot quirk has to be left out
628 * and the configuration has to be set by udev or hotplug
631 err = usb_driver_set_configuration(dev, 2);
634 "error usb_driver_set_configuration: %d\n",
636 /* Always return an error, so that we stop creating a device
637 that will just be destroyed and recreated with a new
641 dev_info(&dev->dev, "Fast Track Pro config OK\n");
647 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
648 * documented in the device's data sheet.
650 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
654 buf[1] = value & 0xff;
655 buf[2] = (value >> 8) & 0xff;
657 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
658 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
662 static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
665 * Enable line-out driver mode, set headphone source to front
666 * channels, enable stereo mic.
668 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
672 * C-Media CM6206 is based on CM106 with two additional
673 * registers that are not documented in the data sheet.
674 * Values here are chosen based on sniffing USB traffic
677 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
680 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000};
682 for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
683 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
691 /* quirk for Plantronics GameCom 780 with CM6302 chip */
692 static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
694 /* set the initial volume and don't change; other values are either
695 * too loud or silent due to firmware bug (bko#65251)
697 u8 buf[2] = { 0x74, 0xe3 };
698 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
699 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
700 UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
704 * Novation Twitch DJ controller
705 * Focusrite Novation Saffire 6 USB audio card
707 static int snd_usb_novation_boot_quirk(struct usb_device *dev)
709 /* preemptively set up the device because otherwise the
710 * raw MIDI endpoints are not active */
711 usb_set_interface(dev, 0, 1);
716 * This call will put the synth in "USB send" mode, i.e it will send MIDI
717 * messages through USB (this is disabled at startup). The synth will
718 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
719 * sign on its LCD. Values here are chosen based on sniffing USB traffic
722 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
724 int err, actual_length;
726 /* "midi send" enable */
727 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
729 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
732 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
733 ARRAY_SIZE(seq), &actual_length, 1000);
742 * Some sound cards from Native Instruments are in fact compliant to the USB
743 * audio standard of version 2 and other approved USB standards, even though
744 * they come up as vendor-specific device when first connected.
746 * However, they can be told to come up with a new set of descriptors
747 * upon their next enumeration, and the interfaces announced by the new
748 * descriptors will then be handled by the kernel's class drivers. As the
749 * product ID will also change, no further checks are required.
752 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
754 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
755 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
756 1, 0, NULL, 0, 1000);
761 usb_reset_device(dev);
763 /* return -EAGAIN, so the creation of an audio interface for this
764 * temporary device is aborted. The device will reconnect with a
769 static void mbox2_setup_48_24_magic(struct usb_device *dev)
774 /* Choose 48000Hz permanently */
779 /* Send the magic! */
780 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
781 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
782 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
783 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
784 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
785 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
786 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
787 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
791 /* Digidesign Mbox 2 needs to load firmware onboard
792 * and driver must wait a few seconds for initialisation.
795 #define MBOX2_FIRMWARE_SIZE 646
796 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */
797 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */
799 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
801 struct usb_host_config *config = dev->actconfig;
803 u8 bootresponse[0x12];
807 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
809 if (fwsize != MBOX2_FIRMWARE_SIZE) {
810 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
814 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
817 bootresponse[0] = MBOX2_BOOT_LOADING;
818 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
819 msleep(500); /* 0.5 second delay */
820 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
821 /* Control magic - load onboard firmware */
822 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
823 if (bootresponse[0] == MBOX2_BOOT_READY)
825 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
829 if (bootresponse[0] != MBOX2_BOOT_READY) {
830 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
834 dev_dbg(&dev->dev, "device initialised!\n");
836 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
837 &dev->descriptor, sizeof(dev->descriptor));
838 config = dev->actconfig;
840 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
842 err = usb_reset_configuration(dev);
844 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
845 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
846 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
848 mbox2_setup_48_24_magic(dev);
850 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
852 return 0; /* Successful boot */
858 #define MAUDIO_SET 0x01 /* parse device_setup */
859 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */
860 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */
861 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
862 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */
863 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */
864 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */
865 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */
866 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */
867 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */
868 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */
870 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
871 int iface, int altno)
873 /* Reset ALL ifaces to 0 altsetting.
874 * Call it for every possible altsetting of every interface.
876 usb_set_interface(chip->dev, iface, 0);
877 if (chip->setup & MAUDIO_SET) {
878 if (chip->setup & MAUDIO_SET_COMPATIBLE) {
879 if (iface != 1 && iface != 2)
880 return 1; /* skip all interfaces but 1 and 2 */
883 if (iface == 1 || iface == 2)
884 return 1; /* skip interfaces 1 and 2 */
885 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
886 return 1; /* skip this altsetting */
887 mask = chip->setup & MAUDIO_SET_MASK;
888 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
889 return 1; /* skip this altsetting */
890 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
891 return 1; /* skip this altsetting */
892 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
893 return 1; /* skip this altsetting */
897 "using altsetting %d for interface %d config %d\n",
898 altno, iface, chip->setup);
899 return 0; /* keep this altsetting */
902 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
906 /* Reset ALL ifaces to 0 altsetting.
907 * Call it for every possible altsetting of every interface.
909 usb_set_interface(chip->dev, iface, 0);
911 if (chip->setup & MAUDIO_SET) {
913 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
914 return 1; /* skip this altsetting */
915 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
916 return 1; /* skip this altsetting */
917 mask = chip->setup & MAUDIO_SET_MASK;
918 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
919 return 1; /* skip this altsetting */
920 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
921 return 1; /* skip this altsetting */
922 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
923 return 1; /* skip this altsetting */
924 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
925 return 1; /* skip this altsetting */
928 return 0; /* keep this altsetting */
931 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
932 int iface, int altno)
934 /* Reset ALL ifaces to 0 altsetting.
935 * Call it for every possible altsetting of every interface.
937 usb_set_interface(chip->dev, iface, 0);
939 /* possible configuration where both inputs and only one output is
940 *used is not supported by the current setup
942 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
943 if (chip->setup & MAUDIO_SET_96K) {
944 if (altno != 3 && altno != 6)
946 } else if (chip->setup & MAUDIO_SET_DI) {
948 return 1; /* no analog input */
949 if (altno != 2 && altno != 5)
950 return 1; /* enable only altsets 2 and 5 */
953 return 1; /* disable digialt input */
954 if (altno != 2 && altno != 5)
955 return 1; /* enalbe only altsets 2 and 5 */
958 /* keep only 16-Bit mode */
964 "using altsetting %d for interface %d config %d\n",
965 altno, iface, chip->setup);
966 return 0; /* keep this altsetting */
969 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
973 /* audiophile usb: skip altsets incompatible with device_setup */
974 if (chip->usb_id == USB_ID(0x0763, 0x2003))
975 return audiophile_skip_setting_quirk(chip, iface, altno);
976 /* quattro usb: skip altsets incompatible with device_setup */
977 if (chip->usb_id == USB_ID(0x0763, 0x2001))
978 return quattro_skip_setting_quirk(chip, iface, altno);
979 /* fasttrackpro usb: skip altsets incompatible with device_setup */
980 if (chip->usb_id == USB_ID(0x0763, 0x2012))
981 return fasttrackpro_skip_setting_quirk(chip, iface, altno);
986 int snd_usb_apply_boot_quirk(struct usb_device *dev,
987 struct usb_interface *intf,
988 const struct snd_usb_audio_quirk *quirk,
992 case USB_ID(0x041e, 0x3000):
993 /* SB Extigy needs special boot-up sequence */
994 /* if more models come, this will go to the quirk list. */
995 return snd_usb_extigy_boot_quirk(dev, intf);
997 case USB_ID(0x041e, 0x3020):
998 /* SB Audigy 2 NX needs its own boot-up magic, too */
999 return snd_usb_audigy2nx_boot_quirk(dev);
1001 case USB_ID(0x10f5, 0x0200):
1002 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1003 return snd_usb_cm106_boot_quirk(dev);
1005 case USB_ID(0x0d8c, 0x0102):
1006 /* C-Media CM6206 / CM106-Like Sound Device */
1007 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1008 return snd_usb_cm6206_boot_quirk(dev);
1010 case USB_ID(0x0dba, 0x3000):
1011 /* Digidesign Mbox 2 */
1012 return snd_usb_mbox2_boot_quirk(dev);
1014 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1015 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1016 return snd_usb_novation_boot_quirk(dev);
1018 case USB_ID(0x133e, 0x0815):
1019 /* Access Music VirusTI Desktop */
1020 return snd_usb_accessmusic_boot_quirk(dev);
1022 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1023 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1024 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1025 return snd_usb_nativeinstruments_boot_quirk(dev);
1026 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
1027 return snd_usb_fasttrackpro_boot_quirk(dev);
1028 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1029 return snd_usb_gamecon780_boot_quirk(dev);
1036 * check if the device uses big-endian samples
1038 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp)
1040 /* it depends on altsetting whether the device is big-endian or not */
1041 switch (chip->usb_id) {
1042 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1043 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1044 fp->altsetting == 5 || fp->altsetting == 6)
1047 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1048 if (chip->setup == 0x00 ||
1049 fp->altsetting == 1 || fp->altsetting == 2 ||
1050 fp->altsetting == 3)
1053 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1054 if (fp->altsetting == 2 || fp->altsetting == 3 ||
1055 fp->altsetting == 5 || fp->altsetting == 6)
1063 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1064 * not for interface.
1068 EMU_QUIRK_SR_44100HZ = 0,
1069 EMU_QUIRK_SR_48000HZ,
1070 EMU_QUIRK_SR_88200HZ,
1071 EMU_QUIRK_SR_96000HZ,
1072 EMU_QUIRK_SR_176400HZ,
1073 EMU_QUIRK_SR_192000HZ
1076 static void set_format_emu_quirk(struct snd_usb_substream *subs,
1077 struct audioformat *fmt)
1079 unsigned char emu_samplerate_id = 0;
1081 /* When capture is active
1082 * sample rate shouldn't be changed
1083 * by playback substream
1085 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1086 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1)
1090 switch (fmt->rate_min) {
1092 emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
1095 emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
1098 emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
1101 emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
1104 emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
1107 emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
1110 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
1111 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
1114 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
1115 struct audioformat *fmt)
1117 switch (subs->stream->chip->usb_id) {
1118 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1119 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1120 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1121 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1122 set_format_emu_quirk(subs, fmt);
1127 bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
1129 /* devices which do not support reading the sample rate. */
1130 switch (chip->usb_id) {
1131 case USB_ID(0x041E, 0x4080): /* Creative Live Cam VF0610 */
1132 case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */
1133 case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */
1134 case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */
1135 case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */
1136 case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */
1137 case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */
1138 case USB_ID(0x047F, 0x0415): /* Plantronics BT-300 */
1139 case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */
1140 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
1141 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
1142 case USB_ID(0x05A3, 0x9420): /* ELP HD USB Camera */
1143 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
1144 case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
1145 case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */
1146 case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */
1147 case USB_ID(0x1de7, 0x0114): /* Phoenix Audio MT202pcs */
1148 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */
1154 /* Marantz/Denon USB DACs need a vendor cmd to switch
1155 * between PCM and native DSD mode
1157 static bool is_marantz_denon_dac(unsigned int id)
1160 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */
1161 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */
1162 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */
1168 int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
1169 struct audioformat *fmt)
1171 struct usb_device *dev = subs->dev;
1174 if (is_marantz_denon_dac(subs->stream->chip->usb_id)) {
1175 /* First switch to alt set 0, otherwise the mode switch cmd
1176 * will not be accepted by the DAC
1178 err = usb_set_interface(dev, fmt->iface, 0);
1182 mdelay(20); /* Delay needed after setting the interface */
1184 switch (fmt->altsetting) {
1185 case 2: /* DSD mode requested */
1186 case 1: /* PCM mode requested */
1187 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1188 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1189 fmt->altsetting - 1, 1, NULL, 0);
1199 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
1202 * "Playback Design" products send bogus feedback data at the start
1203 * of the stream. Ignore them.
1205 if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
1206 ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
1207 ep->skip_packets = 4;
1210 * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1211 * world latency varies by approx. +/- 50 frames (at 96KHz) each time
1212 * the stream is (re)started. When skipping packets 16 at endpoint
1213 * start up, the real world latency is stable within +/- 1 frame (also
1214 * across power cycles).
1216 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
1217 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
1218 ep->type == SND_USB_ENDPOINT_TYPE_DATA)
1219 ep->skip_packets = 16;
1222 void snd_usb_set_interface_quirk(struct usb_device *dev)
1224 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1229 * "Playback Design" products need a 50ms delay after setting the
1232 switch (USB_ID_VENDOR(chip->usb_id)) {
1233 case 0x23ba: /* Playback Design */
1234 case 0x0644: /* TEAC Corp. */
1240 /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
1241 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
1242 __u8 request, __u8 requesttype, __u16 value,
1243 __u16 index, void *data, __u16 size)
1245 struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1250 * "Playback Design" products need a 20ms delay after each
1251 * class compliant request
1253 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1254 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1258 * "TEAC Corp." products need a 20ms delay after each
1259 * class compliant request
1261 if (USB_ID_VENDOR(chip->usb_id) == 0x0644 &&
1262 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1265 /* Marantz/Denon devices with USB DAC functionality need a delay
1266 * after each class compliant request
1268 if (is_marantz_denon_dac(chip->usb_id)
1269 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1272 /* Zoom R16/24 needs a tiny delay here, otherwise requests like
1273 * get/set frequency return as failed despite actually succeeding.
1275 if (chip->usb_id == USB_ID(0x1686, 0x00dd) &&
1276 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1281 * snd_usb_interface_dsd_format_quirks() is called from format.c to
1282 * augment the PCM format bit-field for DSD types. The UAC standards
1283 * don't have a designated bit field to denote DSD-capable interfaces,
1284 * hence all hardware that is known to support this format has to be
1287 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
1288 struct audioformat *fp,
1289 unsigned int sample_bytes)
1291 /* Playback Designs */
1292 if (USB_ID_VENDOR(chip->usb_id) == 0x23ba) {
1293 switch (fp->altsetting) {
1296 return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1298 fp->dsd_bitrev = true;
1299 return SNDRV_PCM_FMTBIT_DSD_U8;
1301 fp->dsd_bitrev = true;
1302 return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1306 /* XMOS based USB DACs */
1307 switch (chip->usb_id) {
1308 case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */
1309 case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */
1310 case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */
1311 case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */
1312 if (fp->altsetting == 2)
1313 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1316 case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */
1317 case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */
1318 case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */
1319 case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */
1320 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
1321 if (fp->altsetting == 3)
1322 return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1328 /* Denon/Marantz devices with USB DAC functionality */
1329 if (is_marantz_denon_dac(chip->usb_id)) {
1330 if (fp->altsetting == 2)
1331 return SNDRV_PCM_FMTBIT_DSD_U32_BE;