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
;