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1 | /* |
2 | * This program is free software; you can redistribute it and/or modify |
3 | * it under the terms of the GNU General Public License as published by |
4 | * the Free Software Foundation; either version 2 of the License, or |
5 | * (at your option) any later version. |
6 | * |
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. |
11 | * |
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 |
15 | */ |
16 | |
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> |
22 | |
23 | #include <sound/control.h> |
24 | #include <sound/core.h> |
25 | #include <sound/info.h> |
26 | #include <sound/pcm.h> |
27 | |
28 | #include "usbaudio.h" |
29 | #include "card.h" |
30 | #include "mixer.h" |
31 | #include "mixer_quirks.h" |
32 | #include "midi.h" |
33 | #include "quirks.h" |
34 | #include "helper.h" |
35 | #include "endpoint.h" |
36 | #include "pcm.h" |
37 | #include "clock.h" |
38 | #include "stream.h" |
39 | |
40 | /* |
41 | * handle the quirks for the contained interfaces |
42 | */ |
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) |
47 | { |
48 | int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; |
49 | int err; |
50 | |
51 | for (quirk = quirk->data; quirk->ifnum >= 0; ++quirk) { |
52 | iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); |
53 | if (!iface) |
54 | continue; |
55 | if (quirk->ifnum != probed_ifnum && |
56 | usb_interface_claimed(iface)) |
57 | continue; |
58 | err = snd_usb_create_quirk(chip, iface, driver, quirk); |
59 | if (err < 0) |
60 | return err; |
61 | if (quirk->ifnum != probed_ifnum) |
62 | usb_driver_claim_interface(driver, iface, (void *)-1L); |
63 | } |
64 | return 0; |
65 | } |
66 | |
67 | static int ignore_interface_quirk(struct snd_usb_audio *chip, |
68 | struct usb_interface *iface, |
69 | struct usb_driver *driver, |
70 | const struct snd_usb_audio_quirk *quirk) |
71 | { |
72 | return 0; |
73 | } |
74 | |
75 | |
76 | /* |
77 | * Allow alignment on audio sub-slot (channel samples) rather than |
78 | * on audio slots (audio frames) |
79 | */ |
80 | static int create_align_transfer_quirk(struct snd_usb_audio *chip, |
81 | struct usb_interface *iface, |
82 | struct usb_driver *driver, |
83 | const struct snd_usb_audio_quirk *quirk) |
84 | { |
85 | chip->txfr_quirk = 1; |
86 | return 1; /* Continue with creating streams and mixer */ |
87 | } |
88 | |
89 | static int create_any_midi_quirk(struct snd_usb_audio *chip, |
90 | struct usb_interface *intf, |
91 | struct usb_driver *driver, |
92 | const struct snd_usb_audio_quirk *quirk) |
93 | { |
94 | return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); |
95 | } |
96 | |
97 | /* |
98 | * create a stream for an interface with proper descriptors |
99 | */ |
100 | static int create_standard_audio_quirk(struct snd_usb_audio *chip, |
101 | struct usb_interface *iface, |
102 | struct usb_driver *driver, |
103 | const struct snd_usb_audio_quirk *quirk) |
104 | { |
105 | struct usb_host_interface *alts; |
106 | struct usb_interface_descriptor *altsd; |
107 | int err; |
108 | |
109 | alts = &iface->altsetting[0]; |
110 | altsd = get_iface_desc(alts); |
111 | err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); |
112 | if (err < 0) { |
113 | usb_audio_err(chip, "cannot setup if %d: error %d\n", |
114 | altsd->bInterfaceNumber, err); |
115 | return err; |
116 | } |
117 | /* reset the current interface */ |
118 | usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); |
119 | return 0; |
120 | } |
121 | |
122 | /* |
123 | * create a stream for an endpoint/altsetting without proper descriptors |
124 | */ |
125 | static int create_fixed_stream_quirk(struct snd_usb_audio *chip, |
126 | struct usb_interface *iface, |
127 | struct usb_driver *driver, |
128 | const struct snd_usb_audio_quirk *quirk) |
129 | { |
130 | struct audioformat *fp; |
131 | struct usb_host_interface *alts; |
132 | struct usb_interface_descriptor *altsd; |
133 | int stream, err; |
134 | unsigned *rate_table = NULL; |
135 | |
136 | fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); |
137 | if (!fp) { |
138 | usb_audio_err(chip, "cannot memdup\n"); |
139 | return -ENOMEM; |
140 | } |
141 | if (fp->nr_rates > MAX_NR_RATES) { |
142 | kfree(fp); |
143 | return -EINVAL; |
144 | } |
145 | if (fp->nr_rates > 0) { |
146 | rate_table = kmemdup(fp->rate_table, |
147 | sizeof(int) * fp->nr_rates, GFP_KERNEL); |
148 | if (!rate_table) { |
149 | kfree(fp); |
150 | return -ENOMEM; |
151 | } |
152 | fp->rate_table = rate_table; |
153 | } |
154 | |
155 | stream = (fp->endpoint & USB_DIR_IN) |
156 | ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; |
157 | err = snd_usb_add_audio_stream(chip, stream, fp); |
158 | if (err < 0) { |
159 | kfree(fp); |
160 | kfree(rate_table); |
161 | return err; |
162 | } |
163 | if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || |
164 | fp->altset_idx >= iface->num_altsetting) { |
165 | kfree(fp); |
166 | kfree(rate_table); |
167 | return -EINVAL; |
168 | } |
169 | alts = &iface->altsetting[fp->altset_idx]; |
170 | altsd = get_iface_desc(alts); |
171 | fp->protocol = altsd->bInterfaceProtocol; |
172 | |
173 | if (fp->datainterval == 0) |
174 | fp->datainterval = snd_usb_parse_datainterval(chip, alts); |
175 | if (fp->maxpacksize == 0) |
176 | fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); |
177 | usb_set_interface(chip->dev, fp->iface, 0); |
178 | snd_usb_init_pitch(chip, fp->iface, alts, fp); |
179 | snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); |
180 | return 0; |
181 | } |
182 | |
183 | static int create_auto_pcm_quirk(struct snd_usb_audio *chip, |
184 | struct usb_interface *iface, |
185 | struct usb_driver *driver) |
186 | { |
187 | struct usb_host_interface *alts; |
188 | struct usb_interface_descriptor *altsd; |
189 | struct usb_endpoint_descriptor *epd; |
190 | struct uac1_as_header_descriptor *ashd; |
191 | struct uac_format_type_i_discrete_descriptor *fmtd; |
192 | |
193 | /* |
194 | * Most Roland/Yamaha audio streaming interfaces have more or less |
195 | * standard descriptors, but older devices might lack descriptors, and |
196 | * future ones might change, so ensure that we fail silently if the |
197 | * interface doesn't look exactly right. |
198 | */ |
199 | |
200 | /* must have a non-zero altsetting for streaming */ |
201 | if (iface->num_altsetting < 2) |
202 | return -ENODEV; |
203 | alts = &iface->altsetting[1]; |
204 | altsd = get_iface_desc(alts); |
205 | |
206 | /* must have an isochronous endpoint for streaming */ |
207 | if (altsd->bNumEndpoints < 1) |
208 | return -ENODEV; |
209 | epd = get_endpoint(alts, 0); |
210 | if (!usb_endpoint_xfer_isoc(epd)) |
211 | return -ENODEV; |
212 | |
213 | /* must have format descriptors */ |
214 | ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, |
215 | UAC_AS_GENERAL); |
216 | fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, |
217 | UAC_FORMAT_TYPE); |
218 | if (!ashd || ashd->bLength < 7 || |
219 | !fmtd || fmtd->bLength < 8) |
220 | return -ENODEV; |
221 | |
222 | return create_standard_audio_quirk(chip, iface, driver, NULL); |
223 | } |
224 | |
225 | static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, |
226 | struct usb_interface *iface, |
227 | struct usb_driver *driver, |
228 | struct usb_host_interface *alts) |
229 | { |
230 | static const struct snd_usb_audio_quirk yamaha_midi_quirk = { |
231 | .type = QUIRK_MIDI_YAMAHA |
232 | }; |
233 | struct usb_midi_in_jack_descriptor *injd; |
234 | struct usb_midi_out_jack_descriptor *outjd; |
235 | |
236 | /* must have some valid jack descriptors */ |
237 | injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, |
238 | NULL, USB_MS_MIDI_IN_JACK); |
239 | outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, |
240 | NULL, USB_MS_MIDI_OUT_JACK); |
241 | if (!injd && !outjd) |
242 | return -ENODEV; |
243 | if (injd && (injd->bLength < 5 || |
244 | (injd->bJackType != USB_MS_EMBEDDED && |
245 | injd->bJackType != USB_MS_EXTERNAL))) |
246 | return -ENODEV; |
247 | if (outjd && (outjd->bLength < 6 || |
248 | (outjd->bJackType != USB_MS_EMBEDDED && |
249 | outjd->bJackType != USB_MS_EXTERNAL))) |
250 | return -ENODEV; |
251 | return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); |
252 | } |
253 | |
254 | static int create_roland_midi_quirk(struct snd_usb_audio *chip, |
255 | struct usb_interface *iface, |
256 | struct usb_driver *driver, |
257 | struct usb_host_interface *alts) |
258 | { |
259 | static const struct snd_usb_audio_quirk roland_midi_quirk = { |
260 | .type = QUIRK_MIDI_ROLAND |
261 | }; |
262 | u8 *roland_desc = NULL; |
263 | |
264 | /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ |
265 | for (;;) { |
266 | roland_desc = snd_usb_find_csint_desc(alts->extra, |
267 | alts->extralen, |
268 | roland_desc, 0xf1); |
269 | if (!roland_desc) |
270 | return -ENODEV; |
271 | if (roland_desc[0] < 6 || roland_desc[3] != 2) |
272 | continue; |
273 | return create_any_midi_quirk(chip, iface, driver, |
274 | &roland_midi_quirk); |
275 | } |
276 | } |
277 | |
278 | static int create_std_midi_quirk(struct snd_usb_audio *chip, |
279 | struct usb_interface *iface, |
280 | struct usb_driver *driver, |
281 | struct usb_host_interface *alts) |
282 | { |
283 | struct usb_ms_header_descriptor *mshd; |
284 | struct usb_ms_endpoint_descriptor *msepd; |
285 | |
286 | /* must have the MIDIStreaming interface header descriptor*/ |
287 | mshd = (struct usb_ms_header_descriptor *)alts->extra; |
288 | if (alts->extralen < 7 || |
289 | mshd->bLength < 7 || |
290 | mshd->bDescriptorType != USB_DT_CS_INTERFACE || |
291 | mshd->bDescriptorSubtype != USB_MS_HEADER) |
292 | return -ENODEV; |
293 | /* must have the MIDIStreaming endpoint descriptor*/ |
294 | msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; |
295 | if (alts->endpoint[0].extralen < 4 || |
296 | msepd->bLength < 4 || |
297 | msepd->bDescriptorType != USB_DT_CS_ENDPOINT || |
298 | msepd->bDescriptorSubtype != UAC_MS_GENERAL || |
299 | msepd->bNumEmbMIDIJack < 1 || |
300 | msepd->bNumEmbMIDIJack > 16) |
301 | return -ENODEV; |
302 | |
303 | return create_any_midi_quirk(chip, iface, driver, NULL); |
304 | } |
305 | |
306 | static int create_auto_midi_quirk(struct snd_usb_audio *chip, |
307 | struct usb_interface *iface, |
308 | struct usb_driver *driver) |
309 | { |
310 | struct usb_host_interface *alts; |
311 | struct usb_interface_descriptor *altsd; |
312 | struct usb_endpoint_descriptor *epd; |
313 | int err; |
314 | |
315 | alts = &iface->altsetting[0]; |
316 | altsd = get_iface_desc(alts); |
317 | |
318 | /* must have at least one bulk/interrupt endpoint for streaming */ |
319 | if (altsd->bNumEndpoints < 1) |
320 | return -ENODEV; |
321 | epd = get_endpoint(alts, 0); |
322 | if (!usb_endpoint_xfer_bulk(epd) && |
323 | !usb_endpoint_xfer_int(epd)) |
324 | return -ENODEV; |
325 | |
326 | switch (USB_ID_VENDOR(chip->usb_id)) { |
327 | case 0x0499: /* Yamaha */ |
328 | err = create_yamaha_midi_quirk(chip, iface, driver, alts); |
329 | if (err != -ENODEV) |
330 | return err; |
331 | break; |
332 | case 0x0582: /* Roland */ |
333 | err = create_roland_midi_quirk(chip, iface, driver, alts); |
334 | if (err != -ENODEV) |
335 | return err; |
336 | break; |
337 | } |
338 | |
339 | return create_std_midi_quirk(chip, iface, driver, alts); |
340 | } |
341 | |
342 | static int create_autodetect_quirk(struct snd_usb_audio *chip, |
343 | struct usb_interface *iface, |
344 | struct usb_driver *driver) |
345 | { |
346 | int err; |
347 | |
348 | err = create_auto_pcm_quirk(chip, iface, driver); |
349 | if (err == -ENODEV) |
350 | err = create_auto_midi_quirk(chip, iface, driver); |
351 | return err; |
352 | } |
353 | |
354 | static int create_autodetect_quirks(struct snd_usb_audio *chip, |
355 | struct usb_interface *iface, |
356 | struct usb_driver *driver, |
357 | const struct snd_usb_audio_quirk *quirk) |
358 | { |
359 | int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; |
360 | int ifcount, ifnum, err; |
361 | |
362 | err = create_autodetect_quirk(chip, iface, driver); |
363 | if (err < 0) |
364 | return err; |
365 | |
366 | /* |
367 | * ALSA PCM playback/capture devices cannot be registered in two steps, |
368 | * so we have to claim the other corresponding interface here. |
369 | */ |
370 | ifcount = chip->dev->actconfig->desc.bNumInterfaces; |
371 | for (ifnum = 0; ifnum < ifcount; ifnum++) { |
372 | if (ifnum == probed_ifnum || quirk->ifnum >= 0) |
373 | continue; |
374 | iface = usb_ifnum_to_if(chip->dev, ifnum); |
375 | if (!iface || |
376 | usb_interface_claimed(iface) || |
377 | get_iface_desc(iface->altsetting)->bInterfaceClass != |
378 | USB_CLASS_VENDOR_SPEC) |
379 | continue; |
380 | |
381 | err = create_autodetect_quirk(chip, iface, driver); |
382 | if (err >= 0) |
383 | usb_driver_claim_interface(driver, iface, (void *)-1L); |
384 | } |
385 | |
386 | return 0; |
387 | } |
388 | |
389 | /* |
390 | * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. |
391 | * The only way to detect the sample rate is by looking at wMaxPacketSize. |
392 | */ |
393 | static int create_uaxx_quirk(struct snd_usb_audio *chip, |
394 | struct usb_interface *iface, |
395 | struct usb_driver *driver, |
396 | const struct snd_usb_audio_quirk *quirk) |
397 | { |
398 | static const struct audioformat ua_format = { |
399 | .formats = SNDRV_PCM_FMTBIT_S24_3LE, |
400 | .channels = 2, |
401 | .fmt_type = UAC_FORMAT_TYPE_I, |
402 | .altsetting = 1, |
403 | .altset_idx = 1, |
404 | .rates = SNDRV_PCM_RATE_CONTINUOUS, |
405 | }; |
406 | struct usb_host_interface *alts; |
407 | struct usb_interface_descriptor *altsd; |
408 | struct audioformat *fp; |
409 | int stream, err; |
410 | |
411 | /* both PCM and MIDI interfaces have 2 or more altsettings */ |
412 | if (iface->num_altsetting < 2) |
413 | return -ENXIO; |
414 | alts = &iface->altsetting[1]; |
415 | altsd = get_iface_desc(alts); |
416 | |
417 | if (altsd->bNumEndpoints == 2) { |
418 | static const struct snd_usb_midi_endpoint_info ua700_ep = { |
419 | .out_cables = 0x0003, |
420 | .in_cables = 0x0003 |
421 | }; |
422 | static const struct snd_usb_audio_quirk ua700_quirk = { |
423 | .type = QUIRK_MIDI_FIXED_ENDPOINT, |
424 | .data = &ua700_ep |
425 | }; |
426 | static const struct snd_usb_midi_endpoint_info uaxx_ep = { |
427 | .out_cables = 0x0001, |
428 | .in_cables = 0x0001 |
429 | }; |
430 | static const struct snd_usb_audio_quirk uaxx_quirk = { |
431 | .type = QUIRK_MIDI_FIXED_ENDPOINT, |
432 | .data = &uaxx_ep |
433 | }; |
434 | const struct snd_usb_audio_quirk *quirk = |
435 | chip->usb_id == USB_ID(0x0582, 0x002b) |
436 | ? &ua700_quirk : &uaxx_quirk; |
437 | return snd_usbmidi_create(chip->card, iface, |
438 | &chip->midi_list, quirk); |
439 | } |
440 | |
441 | if (altsd->bNumEndpoints != 1) |
442 | return -ENXIO; |
443 | |
444 | fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); |
445 | if (!fp) |
446 | return -ENOMEM; |
447 | |
448 | fp->iface = altsd->bInterfaceNumber; |
449 | fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; |
450 | fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; |
451 | fp->datainterval = 0; |
452 | fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); |
453 | |
454 | switch (fp->maxpacksize) { |
455 | case 0x120: |
456 | fp->rate_max = fp->rate_min = 44100; |
457 | break; |
458 | case 0x138: |
459 | case 0x140: |
460 | fp->rate_max = fp->rate_min = 48000; |
461 | break; |
462 | case 0x258: |
463 | case 0x260: |
464 | fp->rate_max = fp->rate_min = 96000; |
465 | break; |
466 | default: |
467 | usb_audio_err(chip, "unknown sample rate\n"); |
468 | kfree(fp); |
469 | return -ENXIO; |
470 | } |
471 | |
472 | stream = (fp->endpoint & USB_DIR_IN) |
473 | ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; |
474 | err = snd_usb_add_audio_stream(chip, stream, fp); |
475 | if (err < 0) { |
476 | kfree(fp); |
477 | return err; |
478 | } |
479 | usb_set_interface(chip->dev, fp->iface, 0); |
480 | return 0; |
481 | } |
482 | |
483 | /* |
484 | * Create a standard mixer for the specified interface. |
485 | */ |
486 | static int create_standard_mixer_quirk(struct snd_usb_audio *chip, |
487 | struct usb_interface *iface, |
488 | struct usb_driver *driver, |
489 | const struct snd_usb_audio_quirk *quirk) |
490 | { |
491 | if (quirk->ifnum < 0) |
492 | return 0; |
493 | |
494 | return snd_usb_create_mixer(chip, quirk->ifnum, 0); |
495 | } |
496 | |
497 | /* |
498 | * audio-interface quirks |
499 | * |
500 | * returns zero if no standard audio/MIDI parsing is needed. |
501 | * returns a positive value if standard audio/midi interfaces are parsed |
502 | * after this. |
503 | * returns a negative value at error. |
504 | */ |
505 | int snd_usb_create_quirk(struct snd_usb_audio *chip, |
506 | struct usb_interface *iface, |
507 | struct usb_driver *driver, |
508 | const struct snd_usb_audio_quirk *quirk) |
509 | { |
510 | typedef int (*quirk_func_t)(struct snd_usb_audio *, |
511 | struct usb_interface *, |
512 | struct usb_driver *, |
513 | const struct snd_usb_audio_quirk *); |
514 | static const quirk_func_t quirk_funcs[] = { |
515 | [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, |
516 | [QUIRK_COMPOSITE] = create_composite_quirk, |
517 | [QUIRK_AUTODETECT] = create_autodetect_quirks, |
518 | [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, |
519 | [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, |
520 | [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, |
521 | [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, |
522 | [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, |
523 | [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, |
524 | [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, |
525 | [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, |
526 | [QUIRK_MIDI_CME] = create_any_midi_quirk, |
527 | [QUIRK_MIDI_AKAI] = create_any_midi_quirk, |
528 | [QUIRK_MIDI_FTDI] = create_any_midi_quirk, |
529 | [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, |
530 | [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, |
531 | [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, |
532 | [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, |
533 | [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, |
534 | }; |
535 | |
536 | if (quirk->type < QUIRK_TYPE_COUNT) { |
537 | return quirk_funcs[quirk->type](chip, iface, driver, quirk); |
538 | } else { |
539 | usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); |
540 | return -ENXIO; |
541 | } |
542 | } |
543 | |
544 | /* |
545 | * boot quirks |
546 | */ |
547 | |
548 | #define EXTIGY_FIRMWARE_SIZE_OLD 794 |
549 | #define EXTIGY_FIRMWARE_SIZE_NEW 483 |
550 | |
551 | static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) |
552 | { |
553 | struct usb_host_config *config = dev->actconfig; |
554 | int err; |
555 | |
556 | if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || |
557 | le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { |
558 | dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); |
559 | /* Send message to force it to reconnect with full interface. */ |
560 | err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), |
561 | 0x10, 0x43, 0x0001, 0x000a, NULL, 0); |
562 | if (err < 0) |
563 | dev_dbg(&dev->dev, "error sending boot message: %d\n", err); |
564 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, |
565 | &dev->descriptor, sizeof(dev->descriptor)); |
566 | config = dev->actconfig; |
567 | if (err < 0) |
568 | dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); |
569 | err = usb_reset_configuration(dev); |
570 | if (err < 0) |
571 | dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); |
572 | dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", |
573 | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); |
574 | return -ENODEV; /* quit this anyway */ |
575 | } |
576 | return 0; |
577 | } |
578 | |
579 | static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) |
580 | { |
581 | u8 buf = 1; |
582 | |
583 | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, |
584 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, |
585 | 0, 0, &buf, 1); |
586 | if (buf == 0) { |
587 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, |
588 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, |
589 | 1, 2000, NULL, 0); |
590 | return -ENODEV; |
591 | } |
592 | return 0; |
593 | } |
594 | |
595 | static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) |
596 | { |
597 | int err; |
598 | |
599 | if (dev->actconfig->desc.bConfigurationValue == 1) { |
600 | dev_info(&dev->dev, |
601 | "Fast Track Pro switching to config #2\n"); |
602 | /* This function has to be available by the usb core module. |
603 | * if it is not avialable the boot quirk has to be left out |
604 | * and the configuration has to be set by udev or hotplug |
605 | * rules |
606 | */ |
607 | err = usb_driver_set_configuration(dev, 2); |
608 | if (err < 0) |
609 | dev_dbg(&dev->dev, |
610 | "error usb_driver_set_configuration: %d\n", |
611 | err); |
612 | /* Always return an error, so that we stop creating a device |
613 | that will just be destroyed and recreated with a new |
614 | configuration */ |
615 | return -ENODEV; |
616 | } else |
617 | dev_info(&dev->dev, "Fast Track Pro config OK\n"); |
618 | |
619 | return 0; |
620 | } |
621 | |
622 | /* |
623 | * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely |
624 | * documented in the device's data sheet. |
625 | */ |
626 | static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) |
627 | { |
628 | u8 buf[4]; |
629 | buf[0] = 0x20; |
630 | buf[1] = value & 0xff; |
631 | buf[2] = (value >> 8) & 0xff; |
632 | buf[3] = reg; |
633 | return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, |
634 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, |
635 | 0, 0, &buf, 4); |
636 | } |
637 | |
638 | static int snd_usb_cm106_boot_quirk(struct usb_device *dev) |
639 | { |
640 | /* |
641 | * Enable line-out driver mode, set headphone source to front |
642 | * channels, enable stereo mic. |
643 | */ |
644 | return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); |
645 | } |
646 | |
647 | /* |
648 | * C-Media CM6206 is based on CM106 with two additional |
649 | * registers that are not documented in the data sheet. |
650 | * Values here are chosen based on sniffing USB traffic |
651 | * under Windows. |
652 | */ |
653 | static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) |
654 | { |
655 | int err = 0, reg; |
656 | int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; |
657 | |
658 | for (reg = 0; reg < ARRAY_SIZE(val); reg++) { |
659 | err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); |
660 | if (err < 0) |
661 | return err; |
662 | } |
663 | |
664 | return err; |
665 | } |
666 | |
667 | /* quirk for Plantronics GameCom 780 with CM6302 chip */ |
668 | static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) |
669 | { |
670 | /* set the initial volume and don't change; other values are either |
671 | * too loud or silent due to firmware bug (bko#65251) |
672 | */ |
673 | u8 buf[2] = { 0x74, 0xe3 }; |
674 | return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, |
675 | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, |
676 | UAC_FU_VOLUME << 8, 9 << 8, buf, 2); |
677 | } |
678 | |
679 | /* |
680 | * Novation Twitch DJ controller |
681 | * Focusrite Novation Saffire 6 USB audio card |
682 | */ |
683 | static int snd_usb_novation_boot_quirk(struct usb_device *dev) |
684 | { |
685 | /* preemptively set up the device because otherwise the |
686 | * raw MIDI endpoints are not active */ |
687 | usb_set_interface(dev, 0, 1); |
688 | return 0; |
689 | } |
690 | |
691 | /* |
692 | * This call will put the synth in "USB send" mode, i.e it will send MIDI |
693 | * messages through USB (this is disabled at startup). The synth will |
694 | * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB |
695 | * sign on its LCD. Values here are chosen based on sniffing USB traffic |
696 | * under Windows. |
697 | */ |
698 | static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) |
699 | { |
700 | int err, actual_length; |
701 | |
702 | /* "midi send" enable */ |
703 | static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; |
704 | |
705 | void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); |
706 | if (!buf) |
707 | return -ENOMEM; |
708 | err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, |
709 | ARRAY_SIZE(seq), &actual_length, 1000); |
710 | kfree(buf); |
711 | if (err < 0) |
712 | return err; |
713 | |
714 | return 0; |
715 | } |
716 | |
717 | /* |
718 | * Some sound cards from Native Instruments are in fact compliant to the USB |
719 | * audio standard of version 2 and other approved USB standards, even though |
720 | * they come up as vendor-specific device when first connected. |
721 | * |
722 | * However, they can be told to come up with a new set of descriptors |
723 | * upon their next enumeration, and the interfaces announced by the new |
724 | * descriptors will then be handled by the kernel's class drivers. As the |
725 | * product ID will also change, no further checks are required. |
726 | */ |
727 | |
728 | static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) |
729 | { |
730 | int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
731 | 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, |
732 | 1, 0, NULL, 0, 1000); |
733 | |
734 | if (ret < 0) |
735 | return ret; |
736 | |
737 | usb_reset_device(dev); |
738 | |
739 | /* return -EAGAIN, so the creation of an audio interface for this |
740 | * temporary device is aborted. The device will reconnect with a |
741 | * new product ID */ |
742 | return -EAGAIN; |
743 | } |
744 | |
745 | static void mbox2_setup_48_24_magic(struct usb_device *dev) |
746 | { |
747 | u8 srate[3]; |
748 | u8 temp[12]; |
749 | |
750 | /* Choose 48000Hz permanently */ |
751 | srate[0] = 0x80; |
752 | srate[1] = 0xbb; |
753 | srate[2] = 0x00; |
754 | |
755 | /* Send the magic! */ |
756 | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), |
757 | 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); |
758 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), |
759 | 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); |
760 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), |
761 | 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); |
762 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), |
763 | 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); |
764 | return; |
765 | } |
766 | |
767 | /* Digidesign Mbox 2 needs to load firmware onboard |
768 | * and driver must wait a few seconds for initialisation. |
769 | */ |
770 | |
771 | #define MBOX2_FIRMWARE_SIZE 646 |
772 | #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ |
773 | #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ |
774 | |
775 | static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) |
776 | { |
777 | struct usb_host_config *config = dev->actconfig; |
778 | int err; |
779 | u8 bootresponse[0x12]; |
780 | int fwsize; |
781 | int count; |
782 | |
783 | fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); |
784 | |
785 | if (fwsize != MBOX2_FIRMWARE_SIZE) { |
786 | dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); |
787 | return -ENODEV; |
788 | } |
789 | |
790 | dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); |
791 | |
792 | count = 0; |
793 | bootresponse[0] = MBOX2_BOOT_LOADING; |
794 | while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { |
795 | msleep(500); /* 0.5 second delay */ |
796 | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), |
797 | /* Control magic - load onboard firmware */ |
798 | 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); |
799 | if (bootresponse[0] == MBOX2_BOOT_READY) |
800 | break; |
801 | dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); |
802 | count++; |
803 | } |
804 | |
805 | if (bootresponse[0] != MBOX2_BOOT_READY) { |
806 | dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); |
807 | return -ENODEV; |
808 | } |
809 | |
810 | dev_dbg(&dev->dev, "device initialised!\n"); |
811 | |
812 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, |
813 | &dev->descriptor, sizeof(dev->descriptor)); |
814 | config = dev->actconfig; |
815 | if (err < 0) |
816 | dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); |
817 | |
818 | err = usb_reset_configuration(dev); |
819 | if (err < 0) |
820 | dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); |
821 | dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", |
822 | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); |
823 | |
824 | mbox2_setup_48_24_magic(dev); |
825 | |
826 | dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); |
827 | |
828 | return 0; /* Successful boot */ |
829 | } |
830 | |
831 | /* |
832 | * Setup quirks |
833 | */ |
834 | #define MAUDIO_SET 0x01 /* parse device_setup */ |
835 | #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ |
836 | #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ |
837 | #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ |
838 | #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ |
839 | #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ |
840 | #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ |
841 | #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ |
842 | #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ |
843 | #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ |
844 | #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ |
845 | |
846 | static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, |
847 | int iface, int altno) |
848 | { |
849 | /* Reset ALL ifaces to 0 altsetting. |
850 | * Call it for every possible altsetting of every interface. |
851 | */ |
852 | usb_set_interface(chip->dev, iface, 0); |
853 | if (chip->setup & MAUDIO_SET) { |
854 | if (chip->setup & MAUDIO_SET_COMPATIBLE) { |
855 | if (iface != 1 && iface != 2) |
856 | return 1; /* skip all interfaces but 1 and 2 */ |
857 | } else { |
858 | unsigned int mask; |
859 | if (iface == 1 || iface == 2) |
860 | return 1; /* skip interfaces 1 and 2 */ |
861 | if ((chip->setup & MAUDIO_SET_96K) && altno != 1) |
862 | return 1; /* skip this altsetting */ |
863 | mask = chip->setup & MAUDIO_SET_MASK; |
864 | if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) |
865 | return 1; /* skip this altsetting */ |
866 | if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) |
867 | return 1; /* skip this altsetting */ |
868 | if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) |
869 | return 1; /* skip this altsetting */ |
870 | } |
871 | } |
872 | usb_audio_dbg(chip, |
873 | "using altsetting %d for interface %d config %d\n", |
874 | altno, iface, chip->setup); |
875 | return 0; /* keep this altsetting */ |
876 | } |
877 | |
878 | static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, |
879 | int iface, |
880 | int altno) |
881 | { |
882 | /* Reset ALL ifaces to 0 altsetting. |
883 | * Call it for every possible altsetting of every interface. |
884 | */ |
885 | usb_set_interface(chip->dev, iface, 0); |
886 | |
887 | if (chip->setup & MAUDIO_SET) { |
888 | unsigned int mask; |
889 | if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) |
890 | return 1; /* skip this altsetting */ |
891 | if ((chip->setup & MAUDIO_SET_96K) && altno != 1) |
892 | return 1; /* skip this altsetting */ |
893 | mask = chip->setup & MAUDIO_SET_MASK; |
894 | if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) |
895 | return 1; /* skip this altsetting */ |
896 | if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) |
897 | return 1; /* skip this altsetting */ |
898 | if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) |
899 | return 1; /* skip this altsetting */ |
900 | if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) |
901 | return 1; /* skip this altsetting */ |
902 | } |
903 | |
904 | return 0; /* keep this altsetting */ |
905 | } |
906 | |
907 | static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, |
908 | int iface, int altno) |
909 | { |
910 | /* Reset ALL ifaces to 0 altsetting. |
911 | * Call it for every possible altsetting of every interface. |
912 | */ |
913 | usb_set_interface(chip->dev, iface, 0); |
914 | |
915 | /* possible configuration where both inputs and only one output is |
916 | *used is not supported by the current setup |
917 | */ |
918 | if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { |
919 | if (chip->setup & MAUDIO_SET_96K) { |
920 | if (altno != 3 && altno != 6) |
921 | return 1; |
922 | } else if (chip->setup & MAUDIO_SET_DI) { |
923 | if (iface == 4) |
924 | return 1; /* no analog input */ |
925 | if (altno != 2 && altno != 5) |
926 | return 1; /* enable only altsets 2 and 5 */ |
927 | } else { |
928 | if (iface == 5) |
929 | return 1; /* disable digialt input */ |
930 | if (altno != 2 && altno != 5) |
931 | return 1; /* enalbe only altsets 2 and 5 */ |
932 | } |
933 | } else { |
934 | /* keep only 16-Bit mode */ |
935 | if (altno != 1) |
936 | return 1; |
937 | } |
938 | |
939 | usb_audio_dbg(chip, |
940 | "using altsetting %d for interface %d config %d\n", |
941 | altno, iface, chip->setup); |
942 | return 0; /* keep this altsetting */ |
943 | } |
944 | |
945 | int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, |
946 | int iface, |
947 | int altno) |
948 | { |
949 | /* audiophile usb: skip altsets incompatible with device_setup */ |
950 | if (chip->usb_id == USB_ID(0x0763, 0x2003)) |
951 | return audiophile_skip_setting_quirk(chip, iface, altno); |
952 | /* quattro usb: skip altsets incompatible with device_setup */ |
953 | if (chip->usb_id == USB_ID(0x0763, 0x2001)) |
954 | return quattro_skip_setting_quirk(chip, iface, altno); |
955 | /* fasttrackpro usb: skip altsets incompatible with device_setup */ |
956 | if (chip->usb_id == USB_ID(0x0763, 0x2012)) |
957 | return fasttrackpro_skip_setting_quirk(chip, iface, altno); |
958 | |
959 | return 0; |
960 | } |
961 | |
962 | int snd_usb_apply_boot_quirk(struct usb_device *dev, |
963 | struct usb_interface *intf, |
964 | const struct snd_usb_audio_quirk *quirk) |
965 | { |
966 | u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), |
967 | le16_to_cpu(dev->descriptor.idProduct)); |
968 | |
969 | switch (id) { |
970 | case USB_ID(0x041e, 0x3000): |
971 | /* SB Extigy needs special boot-up sequence */ |
972 | /* if more models come, this will go to the quirk list. */ |
973 | return snd_usb_extigy_boot_quirk(dev, intf); |
974 | |
975 | case USB_ID(0x041e, 0x3020): |
976 | /* SB Audigy 2 NX needs its own boot-up magic, too */ |
977 | return snd_usb_audigy2nx_boot_quirk(dev); |
978 | |
979 | case USB_ID(0x10f5, 0x0200): |
980 | /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ |
981 | return snd_usb_cm106_boot_quirk(dev); |
982 | |
983 | case USB_ID(0x0d8c, 0x0102): |
984 | /* C-Media CM6206 / CM106-Like Sound Device */ |
985 | case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ |
986 | return snd_usb_cm6206_boot_quirk(dev); |
987 | |
988 | case USB_ID(0x0dba, 0x3000): |
989 | /* Digidesign Mbox 2 */ |
990 | return snd_usb_mbox2_boot_quirk(dev); |
991 | |
992 | case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ |
993 | case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ |
994 | return snd_usb_novation_boot_quirk(dev); |
995 | |
996 | case USB_ID(0x133e, 0x0815): |
997 | /* Access Music VirusTI Desktop */ |
998 | return snd_usb_accessmusic_boot_quirk(dev); |
999 | |
1000 | case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ |
1001 | case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ |
1002 | case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ |
1003 | return snd_usb_nativeinstruments_boot_quirk(dev); |
1004 | case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ |
1005 | return snd_usb_fasttrackpro_boot_quirk(dev); |
1006 | case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ |
1007 | return snd_usb_gamecon780_boot_quirk(dev); |
1008 | } |
1009 | |
1010 | return 0; |
1011 | } |
1012 | |
1013 | /* |
1014 | * check if the device uses big-endian samples |
1015 | */ |
1016 | int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) |
1017 | { |
1018 | /* it depends on altsetting whether the device is big-endian or not */ |
1019 | switch (chip->usb_id) { |
1020 | case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ |
1021 | if (fp->altsetting == 2 || fp->altsetting == 3 || |
1022 | fp->altsetting == 5 || fp->altsetting == 6) |
1023 | return 1; |
1024 | break; |
1025 | case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ |
1026 | if (chip->setup == 0x00 || |
1027 | fp->altsetting == 1 || fp->altsetting == 2 || |
1028 | fp->altsetting == 3) |
1029 | return 1; |
1030 | break; |
1031 | case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ |
1032 | if (fp->altsetting == 2 || fp->altsetting == 3 || |
1033 | fp->altsetting == 5 || fp->altsetting == 6) |
1034 | return 1; |
1035 | break; |
1036 | } |
1037 | return 0; |
1038 | } |
1039 | |
1040 | /* |
1041 | * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, |
1042 | * not for interface. |
1043 | */ |
1044 | |
1045 | enum { |
1046 | EMU_QUIRK_SR_44100HZ = 0, |
1047 | EMU_QUIRK_SR_48000HZ, |
1048 | EMU_QUIRK_SR_88200HZ, |
1049 | EMU_QUIRK_SR_96000HZ, |
1050 | EMU_QUIRK_SR_176400HZ, |
1051 | EMU_QUIRK_SR_192000HZ |
1052 | }; |
1053 | |
1054 | static void set_format_emu_quirk(struct snd_usb_substream *subs, |
1055 | struct audioformat *fmt) |
1056 | { |
1057 | unsigned char emu_samplerate_id = 0; |
1058 | |
1059 | /* When capture is active |
1060 | * sample rate shouldn't be changed |
1061 | * by playback substream |
1062 | */ |
1063 | if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { |
1064 | if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) |
1065 | return; |
1066 | } |
1067 | |
1068 | switch (fmt->rate_min) { |
1069 | case 48000: |
1070 | emu_samplerate_id = EMU_QUIRK_SR_48000HZ; |
1071 | break; |
1072 | case 88200: |
1073 | emu_samplerate_id = EMU_QUIRK_SR_88200HZ; |
1074 | break; |
1075 | case 96000: |
1076 | emu_samplerate_id = EMU_QUIRK_SR_96000HZ; |
1077 | break; |
1078 | case 176400: |
1079 | emu_samplerate_id = EMU_QUIRK_SR_176400HZ; |
1080 | break; |
1081 | case 192000: |
1082 | emu_samplerate_id = EMU_QUIRK_SR_192000HZ; |
1083 | break; |
1084 | default: |
1085 | emu_samplerate_id = EMU_QUIRK_SR_44100HZ; |
1086 | break; |
1087 | } |
1088 | snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); |
1089 | subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; |
1090 | } |
1091 | |
1092 | void snd_usb_set_format_quirk(struct snd_usb_substream *subs, |
1093 | struct audioformat *fmt) |
1094 | { |
1095 | switch (subs->stream->chip->usb_id) { |
1096 | case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ |
1097 | case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ |
1098 | case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ |
1099 | case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ |
1100 | set_format_emu_quirk(subs, fmt); |
1101 | break; |
1102 | } |
1103 | } |
1104 | |
1105 | void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) |
1106 | { |
1107 | /* |
1108 | * "Playback Design" products send bogus feedback data at the start |
1109 | * of the stream. Ignore them. |
1110 | */ |
1111 | if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) && |
1112 | ep->type == SND_USB_ENDPOINT_TYPE_SYNC) |
1113 | ep->skip_packets = 4; |
1114 | |
1115 | /* |
1116 | * M-Audio Fast Track C400/C600 - when packets are not skipped, real |
1117 | * world latency varies by approx. +/- 50 frames (at 96KHz) each time |
1118 | * the stream is (re)started. When skipping packets 16 at endpoint |
1119 | * start up, the real world latency is stable within +/- 1 frame (also |
1120 | * across power cycles). |
1121 | */ |
1122 | if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || |
1123 | ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && |
1124 | ep->type == SND_USB_ENDPOINT_TYPE_DATA) |
1125 | ep->skip_packets = 16; |
1126 | } |
1127 | |
1128 | void snd_usb_set_interface_quirk(struct usb_device *dev) |
1129 | { |
1130 | /* |
1131 | * "Playback Design" products need a 50ms delay after setting the |
1132 | * USB interface. |
1133 | */ |
1134 | if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) |
1135 | mdelay(50); |
1136 | } |
1137 | |
1138 | void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, |
1139 | __u8 request, __u8 requesttype, __u16 value, |
1140 | __u16 index, void *data, __u16 size) |
1141 | { |
1142 | /* |
1143 | * "Playback Design" products need a 20ms delay after each |
1144 | * class compliant request |
1145 | */ |
1146 | if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) && |
1147 | (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) |
1148 | mdelay(20); |
1149 | |
1150 | /* Marantz/Denon devices with USB DAC functionality need a delay |
1151 | * after each class compliant request |
1152 | */ |
1153 | if ((le16_to_cpu(dev->descriptor.idVendor) == 0x154e) && |
1154 | (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) { |
1155 | |
1156 | switch (le16_to_cpu(dev->descriptor.idProduct)) { |
1157 | case 0x3005: /* Marantz HD-DAC1 */ |
1158 | case 0x3006: /* Marantz SA-14S1 */ |
1159 | mdelay(20); |
1160 | break; |
1161 | } |
1162 | } |
1163 | } |
1164 | |
1165 | /* |
1166 | * snd_usb_interface_dsd_format_quirks() is called from format.c to |
1167 | * augment the PCM format bit-field for DSD types. The UAC standards |
1168 | * don't have a designated bit field to denote DSD-capable interfaces, |
1169 | * hence all hardware that is known to support this format has to be |
1170 | * listed here. |
1171 | */ |
1172 | u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, |
1173 | struct audioformat *fp, |
1174 | unsigned int sample_bytes) |
1175 | { |
1176 | /* Playback Designs */ |
1177 | if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x23ba) { |
1178 | switch (fp->altsetting) { |
1179 | case 1: |
1180 | fp->dsd_dop = true; |
1181 | return SNDRV_PCM_FMTBIT_DSD_U16_LE; |
1182 | case 2: |
1183 | fp->dsd_bitrev = true; |
1184 | return SNDRV_PCM_FMTBIT_DSD_U8; |
1185 | case 3: |
1186 | fp->dsd_bitrev = true; |
1187 | return SNDRV_PCM_FMTBIT_DSD_U16_LE; |
1188 | } |
1189 | } |
1190 | |
1191 | /* XMOS based USB DACs */ |
1192 | switch (chip->usb_id) { |
1193 | /* iFi Audio micro/nano iDSD */ |
1194 | case USB_ID(0x20b1, 0x3008): |
1195 | if (fp->altsetting == 2) |
1196 | return SNDRV_PCM_FMTBIT_DSD_U32_BE; |
1197 | break; |
1198 | /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */ |
1199 | case USB_ID(0x20b1, 0x2009): |
1200 | if (fp->altsetting == 3) |
1201 | return SNDRV_PCM_FMTBIT_DSD_U32_BE; |
1202 | break; |
1203 | default: |
1204 | break; |
1205 | } |
1206 | |
1207 | return 0; |
1208 | } |
1209 |
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v2.6.34-rc5
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