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>
22 #include <sound/control.h>
23 #include <sound/core.h>
24 #include <sound/info.h>
25 #include <sound/pcm.h>
30 #include "mixer_quirks.h"
40 * handle the quirks for the contained interfaces
42 static int create_composite_quirk(struct snd_usb_audio *chip,
43 struct usb_interface *iface,
44 struct usb_driver *driver,
45 const struct snd_usb_audio_quirk *quirk)
47 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
50 for (quirk = quirk->data; quirk->ifnum >= 0; ++quirk) {
51 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
54 if (quirk->ifnum != probed_ifnum &&
55 usb_interface_claimed(iface))
57 err = snd_usb_create_quirk(chip, iface, driver, quirk);
60 if (quirk->ifnum != probed_ifnum)
61 usb_driver_claim_interface(driver, iface, (void *)-1L);
66 static int ignore_interface_quirk(struct snd_usb_audio *chip,
67 struct usb_interface *iface,
68 struct usb_driver *driver,
69 const struct snd_usb_audio_quirk *quirk)
76 * Allow alignment on audio sub-slot (channel samples) rather than
77 * on audio slots (audio frames)
79 static int create_align_transfer_quirk(struct snd_usb_audio *chip,
80 struct usb_interface *iface,
81 struct usb_driver *driver,
82 const struct snd_usb_audio_quirk *quirk)
85 return 1; /* Continue with creating streams and mixer */
88 static int create_any_midi_quirk(struct snd_usb_audio *chip,
89 struct usb_interface *intf,
90 struct usb_driver *driver,
91 const struct snd_usb_audio_quirk *quirk)
93 return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk);
97 * create a stream for an interface with proper descriptors
99 static int create_standard_audio_quirk(struct snd_usb_audio *chip,
100 struct usb_interface *iface,
101 struct usb_driver *driver,
102 const struct snd_usb_audio_quirk *quirk)
104 struct usb_host_interface *alts;
105 struct usb_interface_descriptor *altsd;
108 alts = &iface->altsetting[0];
109 altsd = get_iface_desc(alts);
110 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
112 snd_printk(KERN_ERR "cannot setup if %d: error %d\n",
113 altsd->bInterfaceNumber, err);
116 /* reset the current interface */
117 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
122 * create a stream for an endpoint/altsetting without proper descriptors
124 static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
125 struct usb_interface *iface,
126 struct usb_driver *driver,
127 const struct snd_usb_audio_quirk *quirk)
129 struct audioformat *fp;
130 struct usb_host_interface *alts;
132 unsigned *rate_table = NULL;
134 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
136 snd_printk(KERN_ERR "cannot memdup\n");
139 if (fp->nr_rates > MAX_NR_RATES) {
143 if (fp->nr_rates > 0) {
144 rate_table = kmemdup(fp->rate_table,
145 sizeof(int) * fp->nr_rates, GFP_KERNEL);
150 fp->rate_table = rate_table;
153 stream = (fp->endpoint & USB_DIR_IN)
154 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
155 err = snd_usb_add_audio_stream(chip, stream, fp);
161 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
162 fp->altset_idx >= iface->num_altsetting) {
167 alts = &iface->altsetting[fp->altset_idx];
168 if (fp->datainterval == 0)
169 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
170 if (fp->maxpacksize == 0)
171 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
172 usb_set_interface(chip->dev, fp->iface, 0);
173 snd_usb_init_pitch(chip, fp->iface, alts, fp);
174 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
179 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
180 * The only way to detect the sample rate is by looking at wMaxPacketSize.
182 static int create_uaxx_quirk(struct snd_usb_audio *chip,
183 struct usb_interface *iface,
184 struct usb_driver *driver,
185 const struct snd_usb_audio_quirk *quirk)
187 static const struct audioformat ua_format = {
188 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
190 .fmt_type = UAC_FORMAT_TYPE_I,
193 .rates = SNDRV_PCM_RATE_CONTINUOUS,
195 struct usb_host_interface *alts;
196 struct usb_interface_descriptor *altsd;
197 struct audioformat *fp;
200 /* both PCM and MIDI interfaces have 2 or more altsettings */
201 if (iface->num_altsetting < 2)
203 alts = &iface->altsetting[1];
204 altsd = get_iface_desc(alts);
206 if (altsd->bNumEndpoints == 2) {
207 static const struct snd_usb_midi_endpoint_info ua700_ep = {
208 .out_cables = 0x0003,
211 static const struct snd_usb_audio_quirk ua700_quirk = {
212 .type = QUIRK_MIDI_FIXED_ENDPOINT,
215 static const struct snd_usb_midi_endpoint_info uaxx_ep = {
216 .out_cables = 0x0001,
219 static const struct snd_usb_audio_quirk uaxx_quirk = {
220 .type = QUIRK_MIDI_FIXED_ENDPOINT,
223 const struct snd_usb_audio_quirk *quirk =
224 chip->usb_id == USB_ID(0x0582, 0x002b)
225 ? &ua700_quirk : &uaxx_quirk;
226 return snd_usbmidi_create(chip->card, iface,
227 &chip->midi_list, quirk);
230 if (altsd->bNumEndpoints != 1)
233 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
237 fp->iface = altsd->bInterfaceNumber;
238 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
239 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
240 fp->datainterval = 0;
241 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
243 switch (fp->maxpacksize) {
245 fp->rate_max = fp->rate_min = 44100;
249 fp->rate_max = fp->rate_min = 48000;
253 fp->rate_max = fp->rate_min = 96000;
256 snd_printk(KERN_ERR "unknown sample rate\n");
261 stream = (fp->endpoint & USB_DIR_IN)
262 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
263 err = snd_usb_add_audio_stream(chip, stream, fp);
268 usb_set_interface(chip->dev, fp->iface, 0);
273 * Create a standard mixer for the specified interface.
275 static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
276 struct usb_interface *iface,
277 struct usb_driver *driver,
278 const struct snd_usb_audio_quirk *quirk)
280 if (quirk->ifnum < 0)
283 return snd_usb_create_mixer(chip, quirk->ifnum, 0);
287 * audio-interface quirks
289 * returns zero if no standard audio/MIDI parsing is needed.
290 * returns a positive value if standard audio/midi interfaces are parsed
292 * returns a negative value at error.
294 int snd_usb_create_quirk(struct snd_usb_audio *chip,
295 struct usb_interface *iface,
296 struct usb_driver *driver,
297 const struct snd_usb_audio_quirk *quirk)
299 typedef int (*quirk_func_t)(struct snd_usb_audio *,
300 struct usb_interface *,
302 const struct snd_usb_audio_quirk *);
303 static const quirk_func_t quirk_funcs[] = {
304 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
305 [QUIRK_COMPOSITE] = create_composite_quirk,
306 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
307 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
308 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
309 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
310 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
311 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
312 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
313 [QUIRK_MIDI_CME] = create_any_midi_quirk,
314 [QUIRK_MIDI_AKAI] = create_any_midi_quirk,
315 [QUIRK_MIDI_FTDI] = create_any_midi_quirk,
316 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
317 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
318 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
319 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk,
320 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
323 if (quirk->type < QUIRK_TYPE_COUNT) {
324 return quirk_funcs[quirk->type](chip, iface, driver, quirk);
326 snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
335 #define EXTIGY_FIRMWARE_SIZE_OLD 794
336 #define EXTIGY_FIRMWARE_SIZE_NEW 483
338 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
340 struct usb_host_config *config = dev->actconfig;
343 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
344 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
345 snd_printdd("sending Extigy boot sequence...\n");
346 /* Send message to force it to reconnect with full interface. */
347 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
348 0x10, 0x43, 0x0001, 0x000a, NULL, 0);
349 if (err < 0) snd_printdd("error sending boot message: %d\n", err);
350 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
351 &dev->descriptor, sizeof(dev->descriptor));
352 config = dev->actconfig;
353 if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err);
354 err = usb_reset_configuration(dev);
355 if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err);
356 snd_printdd("extigy_boot: new boot length = %d\n",
357 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
358 return -ENODEV; /* quit this anyway */
363 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
367 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
368 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
371 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
372 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
379 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
383 if (dev->actconfig->desc.bConfigurationValue == 1) {
384 snd_printk(KERN_INFO "usb-audio: "
385 "Fast Track Pro switching to config #2\n");
386 /* This function has to be available by the usb core module.
387 * if it is not avialable the boot quirk has to be left out
388 * and the configuration has to be set by udev or hotplug
391 err = usb_driver_set_configuration(dev, 2);
393 snd_printdd("error usb_driver_set_configuration: %d\n",
395 /* Always return an error, so that we stop creating a device
396 that will just be destroyed and recreated with a new
400 snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");
406 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
407 * documented in the device's data sheet.
409 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
413 buf[1] = value & 0xff;
414 buf[2] = (value >> 8) & 0xff;
416 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
417 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
421 static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
424 * Enable line-out driver mode, set headphone source to front
425 * channels, enable stereo mic.
427 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
431 * C-Media CM6206 is based on CM106 with two additional
432 * registers that are not documented in the data sheet.
433 * Values here are chosen based on sniffing USB traffic
436 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
439 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000};
441 for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
442 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
451 * Novation Twitch DJ controller
453 static int snd_usb_twitch_boot_quirk(struct usb_device *dev)
455 /* preemptively set up the device because otherwise the
456 * raw MIDI endpoints are not active */
457 usb_set_interface(dev, 0, 1);
462 * This call will put the synth in "USB send" mode, i.e it will send MIDI
463 * messages through USB (this is disabled at startup). The synth will
464 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
465 * sign on its LCD. Values here are chosen based on sniffing USB traffic
468 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
470 int err, actual_length;
472 /* "midi send" enable */
473 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
475 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
478 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
479 ARRAY_SIZE(seq), &actual_length, 1000);
488 * Some sound cards from Native Instruments are in fact compliant to the USB
489 * audio standard of version 2 and other approved USB standards, even though
490 * they come up as vendor-specific device when first connected.
492 * However, they can be told to come up with a new set of descriptors
493 * upon their next enumeration, and the interfaces announced by the new
494 * descriptors will then be handled by the kernel's class drivers. As the
495 * product ID will also change, no further checks are required.
498 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
500 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
501 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
502 1, 0, NULL, 0, 1000);
507 usb_reset_device(dev);
509 /* return -EAGAIN, so the creation of an audio interface for this
510 * temporary device is aborted. The device will reconnect with a
515 static void mbox2_setup_48_24_magic(struct usb_device *dev)
520 /* Choose 48000Hz permanently */
525 /* Send the magic! */
526 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
527 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
528 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
529 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
530 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
531 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
532 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
533 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
537 /* Digidesign Mbox 2 needs to load firmware onboard
538 * and driver must wait a few seconds for initialisation.
541 #define MBOX2_FIRMWARE_SIZE 646
542 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */
543 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */
545 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
547 struct usb_host_config *config = dev->actconfig;
549 u8 bootresponse[0x12];
553 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
555 if (fwsize != MBOX2_FIRMWARE_SIZE) {
556 snd_printk(KERN_ERR "usb-audio: Invalid firmware size=%d.\n", fwsize);
560 snd_printd("usb-audio: Sending Digidesign Mbox 2 boot sequence...\n");
563 bootresponse[0] = MBOX2_BOOT_LOADING;
564 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
565 msleep(500); /* 0.5 second delay */
566 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
567 /* Control magic - load onboard firmware */
568 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
569 if (bootresponse[0] == MBOX2_BOOT_READY)
571 snd_printd("usb-audio: device not ready, resending boot sequence...\n");
575 if (bootresponse[0] != MBOX2_BOOT_READY) {
576 snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
580 snd_printdd("usb-audio: device initialised!\n");
582 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
583 &dev->descriptor, sizeof(dev->descriptor));
584 config = dev->actconfig;
586 snd_printd("error usb_get_descriptor: %d\n", err);
588 err = usb_reset_configuration(dev);
590 snd_printd("error usb_reset_configuration: %d\n", err);
591 snd_printdd("mbox2_boot: new boot length = %d\n",
592 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
594 mbox2_setup_48_24_magic(dev);
596 snd_printk(KERN_INFO "usb-audio: Digidesign Mbox 2: 24bit 48kHz");
598 return 0; /* Successful boot */
604 #define MAUDIO_SET 0x01 /* parse device_setup */
605 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */
606 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */
607 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
608 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */
609 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */
610 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */
611 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */
612 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */
613 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */
614 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */
616 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
617 int iface, int altno)
619 /* Reset ALL ifaces to 0 altsetting.
620 * Call it for every possible altsetting of every interface.
622 usb_set_interface(chip->dev, iface, 0);
623 if (chip->setup & MAUDIO_SET) {
624 if (chip->setup & MAUDIO_SET_COMPATIBLE) {
625 if (iface != 1 && iface != 2)
626 return 1; /* skip all interfaces but 1 and 2 */
629 if (iface == 1 || iface == 2)
630 return 1; /* skip interfaces 1 and 2 */
631 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
632 return 1; /* skip this altsetting */
633 mask = chip->setup & MAUDIO_SET_MASK;
634 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
635 return 1; /* skip this altsetting */
636 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
637 return 1; /* skip this altsetting */
638 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
639 return 1; /* skip this altsetting */
642 snd_printdd(KERN_INFO
643 "using altsetting %d for interface %d config %d\n",
644 altno, iface, chip->setup);
645 return 0; /* keep this altsetting */
648 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
652 /* Reset ALL ifaces to 0 altsetting.
653 * Call it for every possible altsetting of every interface.
655 usb_set_interface(chip->dev, iface, 0);
657 if (chip->setup & MAUDIO_SET) {
659 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
660 return 1; /* skip this altsetting */
661 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
662 return 1; /* skip this altsetting */
663 mask = chip->setup & MAUDIO_SET_MASK;
664 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
665 return 1; /* skip this altsetting */
666 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
667 return 1; /* skip this altsetting */
668 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
669 return 1; /* skip this altsetting */
670 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
671 return 1; /* skip this altsetting */
674 return 0; /* keep this altsetting */
677 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
678 int iface, int altno)
680 /* Reset ALL ifaces to 0 altsetting.
681 * Call it for every possible altsetting of every interface.
683 usb_set_interface(chip->dev, iface, 0);
685 /* possible configuration where both inputs and only one output is
686 *used is not supported by the current setup
688 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
689 if (chip->setup & MAUDIO_SET_96K) {
690 if (altno != 3 && altno != 6)
692 } else if (chip->setup & MAUDIO_SET_DI) {
694 return 1; /* no analog input */
695 if (altno != 2 && altno != 5)
696 return 1; /* enable only altsets 2 and 5 */
699 return 1; /* disable digialt input */
700 if (altno != 2 && altno != 5)
701 return 1; /* enalbe only altsets 2 and 5 */
704 /* keep only 16-Bit mode */
709 snd_printdd(KERN_INFO
710 "using altsetting %d for interface %d config %d\n",
711 altno, iface, chip->setup);
712 return 0; /* keep this altsetting */
715 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
719 /* audiophile usb: skip altsets incompatible with device_setup */
720 if (chip->usb_id == USB_ID(0x0763, 0x2003))
721 return audiophile_skip_setting_quirk(chip, iface, altno);
722 /* quattro usb: skip altsets incompatible with device_setup */
723 if (chip->usb_id == USB_ID(0x0763, 0x2001))
724 return quattro_skip_setting_quirk(chip, iface, altno);
725 /* fasttrackpro usb: skip altsets incompatible with device_setup */
726 if (chip->usb_id == USB_ID(0x0763, 0x2012))
727 return fasttrackpro_skip_setting_quirk(chip, iface, altno);
732 int snd_usb_apply_boot_quirk(struct usb_device *dev,
733 struct usb_interface *intf,
734 const struct snd_usb_audio_quirk *quirk)
736 u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
737 le16_to_cpu(dev->descriptor.idProduct));
740 case USB_ID(0x041e, 0x3000):
741 /* SB Extigy needs special boot-up sequence */
742 /* if more models come, this will go to the quirk list. */
743 return snd_usb_extigy_boot_quirk(dev, intf);
745 case USB_ID(0x041e, 0x3020):
746 /* SB Audigy 2 NX needs its own boot-up magic, too */
747 return snd_usb_audigy2nx_boot_quirk(dev);
749 case USB_ID(0x10f5, 0x0200):
750 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
751 return snd_usb_cm106_boot_quirk(dev);
753 case USB_ID(0x0d8c, 0x0102):
754 /* C-Media CM6206 / CM106-Like Sound Device */
755 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
756 return snd_usb_cm6206_boot_quirk(dev);
758 case USB_ID(0x0dba, 0x3000):
759 /* Digidesign Mbox 2 */
760 return snd_usb_mbox2_boot_quirk(dev);
762 case USB_ID(0x1235, 0x0018):
763 /* Focusrite Novation Twitch */
764 return snd_usb_twitch_boot_quirk(dev);
766 case USB_ID(0x133e, 0x0815):
767 /* Access Music VirusTI Desktop */
768 return snd_usb_accessmusic_boot_quirk(dev);
770 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
771 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
772 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
773 return snd_usb_nativeinstruments_boot_quirk(dev);
774 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
775 return snd_usb_fasttrackpro_boot_quirk(dev);
782 * check if the device uses big-endian samples
784 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp)
786 /* it depends on altsetting whether the device is big-endian or not */
787 switch (chip->usb_id) {
788 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
789 if (fp->altsetting == 2 || fp->altsetting == 3 ||
790 fp->altsetting == 5 || fp->altsetting == 6)
793 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
794 if (chip->setup == 0x00 ||
795 fp->altsetting == 1 || fp->altsetting == 2 ||
799 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
800 if (fp->altsetting == 2 || fp->altsetting == 3 ||
801 fp->altsetting == 5 || fp->altsetting == 6)
809 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
814 EMU_QUIRK_SR_44100HZ = 0,
815 EMU_QUIRK_SR_48000HZ,
816 EMU_QUIRK_SR_88200HZ,
817 EMU_QUIRK_SR_96000HZ,
818 EMU_QUIRK_SR_176400HZ,
819 EMU_QUIRK_SR_192000HZ
822 static void set_format_emu_quirk(struct snd_usb_substream *subs,
823 struct audioformat *fmt)
825 unsigned char emu_samplerate_id = 0;
827 /* When capture is active
828 * sample rate shouldn't be changed
829 * by playback substream
831 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
832 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1)
836 switch (fmt->rate_min) {
838 emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
841 emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
844 emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
847 emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
850 emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
853 emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
856 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
857 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
860 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
861 struct audioformat *fmt)
863 switch (subs->stream->chip->usb_id) {
864 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
865 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
866 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
867 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
868 set_format_emu_quirk(subs, fmt);
873 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
876 * "Playback Design" products send bogus feedback data at the start
877 * of the stream. Ignore them.
879 if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) &&
880 ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
881 ep->skip_packets = 4;
884 * M-Audio Fast Track C400/C600 - when packets are not skipped, real
885 * world latency varies by approx. +/- 50 frames (at 96KHz) each time
886 * the stream is (re)started. When skipping packets 16 at endpoint
887 * start up, the real world latency is stable within +/- 1 frame (also
888 * across power cycles).
890 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
891 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
892 ep->type == SND_USB_ENDPOINT_TYPE_DATA)
893 ep->skip_packets = 16;
896 void snd_usb_set_interface_quirk(struct usb_device *dev)
899 * "Playback Design" products need a 50ms delay after setting the
902 if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba)
906 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
907 __u8 request, __u8 requesttype, __u16 value,
908 __u16 index, void *data, __u16 size)
911 * "Playback Design" products need a 20ms delay after each
912 * class compliant request
914 if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) &&
915 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
920 * snd_usb_interface_dsd_format_quirks() is called from format.c to
921 * augment the PCM format bit-field for DSD types. The UAC standards
922 * don't have a designated bit field to denote DSD-capable interfaces,
923 * hence all hardware that is known to support this format has to be
926 u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
927 struct audioformat *fp,
928 unsigned int sample_bytes)
930 /* Playback Designs */
931 if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x23ba) {
932 switch (fp->altsetting) {
935 return SNDRV_PCM_FMTBIT_DSD_U16_LE;
937 fp->dsd_bitrev = true;
938 return SNDRV_PCM_FMTBIT_DSD_U8;
940 fp->dsd_bitrev = true;
941 return SNDRV_PCM_FMTBIT_DSD_U16_LE;