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 fp->datainterval = snd_usb_parse_datainterval(chip, alts);
169 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
170 usb_set_interface(chip->dev, fp->iface, 0);
171 snd_usb_init_pitch(chip, fp->iface, alts, fp);
172 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
177 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.
178 * The only way to detect the sample rate is by looking at wMaxPacketSize.
180 static int create_uaxx_quirk(struct snd_usb_audio *chip,
181 struct usb_interface *iface,
182 struct usb_driver *driver,
183 const struct snd_usb_audio_quirk *quirk)
185 static const struct audioformat ua_format = {
186 .formats = SNDRV_PCM_FMTBIT_S24_3LE,
188 .fmt_type = UAC_FORMAT_TYPE_I,
191 .rates = SNDRV_PCM_RATE_CONTINUOUS,
193 struct usb_host_interface *alts;
194 struct usb_interface_descriptor *altsd;
195 struct audioformat *fp;
198 /* both PCM and MIDI interfaces have 2 or more altsettings */
199 if (iface->num_altsetting < 2)
201 alts = &iface->altsetting[1];
202 altsd = get_iface_desc(alts);
204 if (altsd->bNumEndpoints == 2) {
205 static const struct snd_usb_midi_endpoint_info ua700_ep = {
206 .out_cables = 0x0003,
209 static const struct snd_usb_audio_quirk ua700_quirk = {
210 .type = QUIRK_MIDI_FIXED_ENDPOINT,
213 static const struct snd_usb_midi_endpoint_info uaxx_ep = {
214 .out_cables = 0x0001,
217 static const struct snd_usb_audio_quirk uaxx_quirk = {
218 .type = QUIRK_MIDI_FIXED_ENDPOINT,
221 const struct snd_usb_audio_quirk *quirk =
222 chip->usb_id == USB_ID(0x0582, 0x002b)
223 ? &ua700_quirk : &uaxx_quirk;
224 return snd_usbmidi_create(chip->card, iface,
225 &chip->midi_list, quirk);
228 if (altsd->bNumEndpoints != 1)
231 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
235 fp->iface = altsd->bInterfaceNumber;
236 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
237 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
238 fp->datainterval = 0;
239 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
241 switch (fp->maxpacksize) {
243 fp->rate_max = fp->rate_min = 44100;
247 fp->rate_max = fp->rate_min = 48000;
251 fp->rate_max = fp->rate_min = 96000;
254 snd_printk(KERN_ERR "unknown sample rate\n");
259 stream = (fp->endpoint & USB_DIR_IN)
260 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
261 err = snd_usb_add_audio_stream(chip, stream, fp);
266 usb_set_interface(chip->dev, fp->iface, 0);
271 * Create a standard mixer for the specified interface.
273 static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
274 struct usb_interface *iface,
275 struct usb_driver *driver,
276 const struct snd_usb_audio_quirk *quirk)
278 if (quirk->ifnum < 0)
281 return snd_usb_create_mixer(chip, quirk->ifnum, 0);
285 * audio-interface quirks
287 * returns zero if no standard audio/MIDI parsing is needed.
288 * returns a positive value if standard audio/midi interfaces are parsed
290 * returns a negative value at error.
292 int snd_usb_create_quirk(struct snd_usb_audio *chip,
293 struct usb_interface *iface,
294 struct usb_driver *driver,
295 const struct snd_usb_audio_quirk *quirk)
297 typedef int (*quirk_func_t)(struct snd_usb_audio *,
298 struct usb_interface *,
300 const struct snd_usb_audio_quirk *);
301 static const quirk_func_t quirk_funcs[] = {
302 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
303 [QUIRK_COMPOSITE] = create_composite_quirk,
304 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
305 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
306 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
307 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
308 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
309 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
310 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
311 [QUIRK_MIDI_CME] = create_any_midi_quirk,
312 [QUIRK_MIDI_AKAI] = create_any_midi_quirk,
313 [QUIRK_MIDI_FTDI] = create_any_midi_quirk,
314 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
315 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
316 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
317 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk,
318 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
321 if (quirk->type < QUIRK_TYPE_COUNT) {
322 return quirk_funcs[quirk->type](chip, iface, driver, quirk);
324 snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type);
333 #define EXTIGY_FIRMWARE_SIZE_OLD 794
334 #define EXTIGY_FIRMWARE_SIZE_NEW 483
336 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
338 struct usb_host_config *config = dev->actconfig;
341 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
342 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
343 snd_printdd("sending Extigy boot sequence...\n");
344 /* Send message to force it to reconnect with full interface. */
345 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
346 0x10, 0x43, 0x0001, 0x000a, NULL, 0);
347 if (err < 0) snd_printdd("error sending boot message: %d\n", err);
348 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
349 &dev->descriptor, sizeof(dev->descriptor));
350 config = dev->actconfig;
351 if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err);
352 err = usb_reset_configuration(dev);
353 if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err);
354 snd_printdd("extigy_boot: new boot length = %d\n",
355 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
356 return -ENODEV; /* quit this anyway */
361 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
365 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
366 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
369 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
370 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
377 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
381 if (dev->actconfig->desc.bConfigurationValue == 1) {
382 snd_printk(KERN_INFO "usb-audio: "
383 "Fast Track Pro switching to config #2\n");
384 /* This function has to be available by the usb core module.
385 * if it is not avialable the boot quirk has to be left out
386 * and the configuration has to be set by udev or hotplug
389 err = usb_driver_set_configuration(dev, 2);
391 snd_printdd("error usb_driver_set_configuration: %d\n",
396 snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");
402 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
403 * documented in the device's data sheet.
405 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
409 buf[1] = value & 0xff;
410 buf[2] = (value >> 8) & 0xff;
412 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
413 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
417 static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
420 * Enable line-out driver mode, set headphone source to front
421 * channels, enable stereo mic.
423 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
427 * C-Media CM6206 is based on CM106 with two additional
428 * registers that are not documented in the data sheet.
429 * Values here are chosen based on sniffing USB traffic
432 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
435 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000};
437 for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
438 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
447 * This call will put the synth in "USB send" mode, i.e it will send MIDI
448 * messages through USB (this is disabled at startup). The synth will
449 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
450 * sign on its LCD. Values here are chosen based on sniffing USB traffic
453 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
455 int err, actual_length;
457 /* "midi send" enable */
458 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
460 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
463 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
464 ARRAY_SIZE(seq), &actual_length, 1000);
473 * Some sound cards from Native Instruments are in fact compliant to the USB
474 * audio standard of version 2 and other approved USB standards, even though
475 * they come up as vendor-specific device when first connected.
477 * However, they can be told to come up with a new set of descriptors
478 * upon their next enumeration, and the interfaces announced by the new
479 * descriptors will then be handled by the kernel's class drivers. As the
480 * product ID will also change, no further checks are required.
483 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
485 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
486 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
487 cpu_to_le16(1), 0, NULL, 0, 1000);
492 usb_reset_device(dev);
494 /* return -EAGAIN, so the creation of an audio interface for this
495 * temporary device is aborted. The device will reconnect with a
500 static void mbox2_setup_48_24_magic(struct usb_device *dev)
505 /* Choose 48000Hz permanently */
510 /* Send the magic! */
511 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
512 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
513 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
514 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
515 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
516 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
517 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
518 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
522 /* Digidesign Mbox 2 needs to load firmware onboard
523 * and driver must wait a few seconds for initialisation.
526 #define MBOX2_FIRMWARE_SIZE 646
527 #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */
528 #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */
530 static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
532 struct usb_host_config *config = dev->actconfig;
538 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
540 if (fwsize != MBOX2_FIRMWARE_SIZE) {
541 snd_printk(KERN_ERR "usb-audio: Invalid firmware size=%d.\n", fwsize);
545 snd_printd("usb-audio: Sending Digidesign Mbox 2 boot sequence...\n");
548 bootresponse[0] = MBOX2_BOOT_LOADING;
549 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
550 msleep(500); /* 0.5 second delay */
551 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
552 /* Control magic - load onboard firmware */
553 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
554 if (bootresponse[0] == MBOX2_BOOT_READY)
556 snd_printd("usb-audio: device not ready, resending boot sequence...\n");
560 if (bootresponse[0] != MBOX2_BOOT_READY) {
561 snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
565 snd_printdd("usb-audio: device initialised!\n");
567 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
568 &dev->descriptor, sizeof(dev->descriptor));
569 config = dev->actconfig;
571 snd_printd("error usb_get_descriptor: %d\n", err);
573 err = usb_reset_configuration(dev);
575 snd_printd("error usb_reset_configuration: %d\n", err);
576 snd_printdd("mbox2_boot: new boot length = %d\n",
577 le16_to_cpu(get_cfg_desc(config)->wTotalLength));
579 mbox2_setup_48_24_magic(dev);
581 snd_printk(KERN_INFO "usb-audio: Digidesign Mbox 2: 24bit 48kHz");
583 return 0; /* Successful boot */
589 #define MAUDIO_SET 0x01 /* parse device_setup */
590 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */
591 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */
592 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */
593 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */
594 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */
595 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */
596 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */
597 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */
598 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */
599 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */
601 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
602 int iface, int altno)
604 /* Reset ALL ifaces to 0 altsetting.
605 * Call it for every possible altsetting of every interface.
607 usb_set_interface(chip->dev, iface, 0);
608 if (chip->setup & MAUDIO_SET) {
609 if (chip->setup & MAUDIO_SET_COMPATIBLE) {
610 if (iface != 1 && iface != 2)
611 return 1; /* skip all interfaces but 1 and 2 */
614 if (iface == 1 || iface == 2)
615 return 1; /* skip interfaces 1 and 2 */
616 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
617 return 1; /* skip this altsetting */
618 mask = chip->setup & MAUDIO_SET_MASK;
619 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
620 return 1; /* skip this altsetting */
621 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
622 return 1; /* skip this altsetting */
623 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
624 return 1; /* skip this altsetting */
627 snd_printdd(KERN_INFO
628 "using altsetting %d for interface %d config %d\n",
629 altno, iface, chip->setup);
630 return 0; /* keep this altsetting */
633 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
637 /* Reset ALL ifaces to 0 altsetting.
638 * Call it for every possible altsetting of every interface.
640 usb_set_interface(chip->dev, iface, 0);
642 if (chip->setup & MAUDIO_SET) {
644 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
645 return 1; /* skip this altsetting */
646 if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
647 return 1; /* skip this altsetting */
648 mask = chip->setup & MAUDIO_SET_MASK;
649 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
650 return 1; /* skip this altsetting */
651 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
652 return 1; /* skip this altsetting */
653 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
654 return 1; /* skip this altsetting */
655 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
656 return 1; /* skip this altsetting */
659 return 0; /* keep this altsetting */
662 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
663 int iface, int altno)
665 /* Reset ALL ifaces to 0 altsetting.
666 * Call it for every possible altsetting of every interface.
668 usb_set_interface(chip->dev, iface, 0);
670 /* possible configuration where both inputs and only one output is
671 *used is not supported by the current setup
673 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
674 if (chip->setup & MAUDIO_SET_96K) {
675 if (altno != 3 && altno != 6)
677 } else if (chip->setup & MAUDIO_SET_DI) {
679 return 1; /* no analog input */
680 if (altno != 2 && altno != 5)
681 return 1; /* enable only altsets 2 and 5 */
684 return 1; /* disable digialt input */
685 if (altno != 2 && altno != 5)
686 return 1; /* enalbe only altsets 2 and 5 */
689 /* keep only 16-Bit mode */
694 snd_printdd(KERN_INFO
695 "using altsetting %d for interface %d config %d\n",
696 altno, iface, chip->setup);
697 return 0; /* keep this altsetting */
700 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
704 /* audiophile usb: skip altsets incompatible with device_setup */
705 if (chip->usb_id == USB_ID(0x0763, 0x2003))
706 return audiophile_skip_setting_quirk(chip, iface, altno);
707 /* quattro usb: skip altsets incompatible with device_setup */
708 if (chip->usb_id == USB_ID(0x0763, 0x2001))
709 return quattro_skip_setting_quirk(chip, iface, altno);
710 /* fasttrackpro usb: skip altsets incompatible with device_setup */
711 if (chip->usb_id == USB_ID(0x0763, 0x2012))
712 return fasttrackpro_skip_setting_quirk(chip, iface, altno);
717 int snd_usb_apply_boot_quirk(struct usb_device *dev,
718 struct usb_interface *intf,
719 const struct snd_usb_audio_quirk *quirk)
721 u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor),
722 le16_to_cpu(dev->descriptor.idProduct));
725 case USB_ID(0x041e, 0x3000):
726 /* SB Extigy needs special boot-up sequence */
727 /* if more models come, this will go to the quirk list. */
728 return snd_usb_extigy_boot_quirk(dev, intf);
730 case USB_ID(0x041e, 0x3020):
731 /* SB Audigy 2 NX needs its own boot-up magic, too */
732 return snd_usb_audigy2nx_boot_quirk(dev);
734 case USB_ID(0x10f5, 0x0200):
735 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
736 return snd_usb_cm106_boot_quirk(dev);
738 case USB_ID(0x0d8c, 0x0102):
739 /* C-Media CM6206 / CM106-Like Sound Device */
740 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
741 return snd_usb_cm6206_boot_quirk(dev);
743 case USB_ID(0x0dba, 0x3000):
744 /* Digidesign Mbox 2 */
745 return snd_usb_mbox2_boot_quirk(dev);
747 case USB_ID(0x133e, 0x0815):
748 /* Access Music VirusTI Desktop */
749 return snd_usb_accessmusic_boot_quirk(dev);
751 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
752 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
753 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
754 return snd_usb_nativeinstruments_boot_quirk(dev);
755 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */
756 return snd_usb_fasttrackpro_boot_quirk(dev);
763 * check if the device uses big-endian samples
765 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp)
767 /* it depends on altsetting whether the device is big-endian or not */
768 switch (chip->usb_id) {
769 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
770 if (fp->altsetting == 2 || fp->altsetting == 3 ||
771 fp->altsetting == 5 || fp->altsetting == 6)
774 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
775 if (chip->setup == 0x00 ||
776 fp->altsetting == 1 || fp->altsetting == 2 ||
780 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
781 if (fp->altsetting == 2 || fp->altsetting == 3 ||
782 fp->altsetting == 5 || fp->altsetting == 6)
790 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
795 EMU_QUIRK_SR_44100HZ = 0,
796 EMU_QUIRK_SR_48000HZ,
797 EMU_QUIRK_SR_88200HZ,
798 EMU_QUIRK_SR_96000HZ,
799 EMU_QUIRK_SR_176400HZ,
800 EMU_QUIRK_SR_192000HZ
803 static void set_format_emu_quirk(struct snd_usb_substream *subs,
804 struct audioformat *fmt)
806 unsigned char emu_samplerate_id = 0;
808 /* When capture is active
809 * sample rate shouldn't be changed
810 * by playback substream
812 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
813 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1)
817 switch (fmt->rate_min) {
819 emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
822 emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
825 emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
828 emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
831 emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
834 emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
837 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
840 void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
841 struct audioformat *fmt)
843 switch (subs->stream->chip->usb_id) {
844 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
845 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
846 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
847 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
848 set_format_emu_quirk(subs, fmt);
853 void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
856 * "Playback Design" products send bogus feedback data at the start
857 * of the stream. Ignore them.
859 if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) &&
860 ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
861 ep->skip_packets = 4;
864 void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
865 __u8 request, __u8 requesttype, __u16 value,
866 __u16 index, void *data, __u16 size)
869 * "Playback Design" products need a 20ms delay after each
870 * class compliant request
872 if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) &&
873 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)