Commit | Line | Data |
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e5779998 DM |
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> | |
36db0456 | 18 | #include <linux/slab.h> |
e5779998 DM |
19 | #include <linux/usb.h> |
20 | #include <linux/usb/audio.h> | |
21 | ||
9e38658f | 22 | #include <sound/control.h> |
e5779998 DM |
23 | #include <sound/core.h> |
24 | #include <sound/info.h> | |
25 | #include <sound/pcm.h> | |
26 | ||
27 | #include "usbaudio.h" | |
28 | #include "card.h" | |
f0b5e634 | 29 | #include "mixer.h" |
7b1eda22 | 30 | #include "mixer_quirks.h" |
e5779998 DM |
31 | #include "midi.h" |
32 | #include "quirks.h" | |
33 | #include "helper.h" | |
34 | #include "endpoint.h" | |
35 | #include "pcm.h" | |
3d8d4dcf | 36 | #include "clock.h" |
e8e8babf | 37 | #include "stream.h" |
e5779998 DM |
38 | |
39 | /* | |
40 | * handle the quirks for the contained interfaces | |
41 | */ | |
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) | |
46 | { | |
47 | int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; | |
48 | int err; | |
49 | ||
50 | for (quirk = quirk->data; quirk->ifnum >= 0; ++quirk) { | |
51 | iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); | |
52 | if (!iface) | |
53 | continue; | |
54 | if (quirk->ifnum != probed_ifnum && | |
55 | usb_interface_claimed(iface)) | |
56 | continue; | |
57 | err = snd_usb_create_quirk(chip, iface, driver, quirk); | |
58 | if (err < 0) | |
59 | return err; | |
60 | if (quirk->ifnum != probed_ifnum) | |
61 | usb_driver_claim_interface(driver, iface, (void *)-1L); | |
62 | } | |
63 | return 0; | |
64 | } | |
65 | ||
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) | |
70 | { | |
71 | return 0; | |
72 | } | |
73 | ||
74 | ||
75 | /* | |
76 | * Allow alignment on audio sub-slot (channel samples) rather than | |
77 | * on audio slots (audio frames) | |
78 | */ | |
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) | |
83 | { | |
84 | chip->txfr_quirk = 1; | |
85 | return 1; /* Continue with creating streams and mixer */ | |
86 | } | |
87 | ||
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) | |
92 | { | |
93 | return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); | |
94 | } | |
95 | ||
96 | /* | |
97 | * create a stream for an interface with proper descriptors | |
98 | */ | |
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) | |
103 | { | |
104 | struct usb_host_interface *alts; | |
105 | struct usb_interface_descriptor *altsd; | |
106 | int err; | |
107 | ||
108 | alts = &iface->altsetting[0]; | |
109 | altsd = get_iface_desc(alts); | |
e8e8babf | 110 | err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); |
e5779998 DM |
111 | if (err < 0) { |
112 | snd_printk(KERN_ERR "cannot setup if %d: error %d\n", | |
113 | altsd->bInterfaceNumber, err); | |
114 | return err; | |
115 | } | |
116 | /* reset the current interface */ | |
117 | usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); | |
118 | return 0; | |
119 | } | |
120 | ||
121 | /* | |
122 | * create a stream for an endpoint/altsetting without proper descriptors | |
123 | */ | |
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) | |
128 | { | |
129 | struct audioformat *fp; | |
130 | struct usb_host_interface *alts; | |
131 | int stream, err; | |
132 | unsigned *rate_table = NULL; | |
133 | ||
134 | fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); | |
8866f405 | 135 | if (!fp) { |
e5779998 DM |
136 | snd_printk(KERN_ERR "cannot memdup\n"); |
137 | return -ENOMEM; | |
138 | } | |
8866f405 XW |
139 | if (fp->nr_rates > MAX_NR_RATES) { |
140 | kfree(fp); | |
141 | return -EINVAL; | |
142 | } | |
e5779998 | 143 | if (fp->nr_rates > 0) { |
43df2a57 TM |
144 | rate_table = kmemdup(fp->rate_table, |
145 | sizeof(int) * fp->nr_rates, GFP_KERNEL); | |
e5779998 DM |
146 | if (!rate_table) { |
147 | kfree(fp); | |
148 | return -ENOMEM; | |
149 | } | |
e5779998 DM |
150 | fp->rate_table = rate_table; |
151 | } | |
152 | ||
153 | stream = (fp->endpoint & USB_DIR_IN) | |
154 | ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | |
e8e8babf | 155 | err = snd_usb_add_audio_stream(chip, stream, fp); |
e5779998 DM |
156 | if (err < 0) { |
157 | kfree(fp); | |
158 | kfree(rate_table); | |
159 | return err; | |
160 | } | |
161 | if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || | |
162 | fp->altset_idx >= iface->num_altsetting) { | |
163 | kfree(fp); | |
164 | kfree(rate_table); | |
165 | return -EINVAL; | |
166 | } | |
167 | alts = &iface->altsetting[fp->altset_idx]; | |
59ea586f MH |
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); | |
e5779998 | 172 | usb_set_interface(chip->dev, fp->iface, 0); |
767d75ad DM |
173 | snd_usb_init_pitch(chip, fp->iface, alts, fp); |
174 | snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); | |
e5779998 DM |
175 | return 0; |
176 | } | |
177 | ||
178 | /* | |
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. | |
181 | */ | |
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) | |
186 | { | |
187 | static const struct audioformat ua_format = { | |
015eb0b0 | 188 | .formats = SNDRV_PCM_FMTBIT_S24_3LE, |
e5779998 DM |
189 | .channels = 2, |
190 | .fmt_type = UAC_FORMAT_TYPE_I, | |
191 | .altsetting = 1, | |
192 | .altset_idx = 1, | |
193 | .rates = SNDRV_PCM_RATE_CONTINUOUS, | |
194 | }; | |
195 | struct usb_host_interface *alts; | |
196 | struct usb_interface_descriptor *altsd; | |
197 | struct audioformat *fp; | |
198 | int stream, err; | |
199 | ||
200 | /* both PCM and MIDI interfaces have 2 or more altsettings */ | |
201 | if (iface->num_altsetting < 2) | |
202 | return -ENXIO; | |
203 | alts = &iface->altsetting[1]; | |
204 | altsd = get_iface_desc(alts); | |
205 | ||
206 | if (altsd->bNumEndpoints == 2) { | |
207 | static const struct snd_usb_midi_endpoint_info ua700_ep = { | |
208 | .out_cables = 0x0003, | |
209 | .in_cables = 0x0003 | |
210 | }; | |
211 | static const struct snd_usb_audio_quirk ua700_quirk = { | |
212 | .type = QUIRK_MIDI_FIXED_ENDPOINT, | |
213 | .data = &ua700_ep | |
214 | }; | |
215 | static const struct snd_usb_midi_endpoint_info uaxx_ep = { | |
216 | .out_cables = 0x0001, | |
217 | .in_cables = 0x0001 | |
218 | }; | |
219 | static const struct snd_usb_audio_quirk uaxx_quirk = { | |
220 | .type = QUIRK_MIDI_FIXED_ENDPOINT, | |
221 | .data = &uaxx_ep | |
222 | }; | |
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); | |
228 | } | |
229 | ||
230 | if (altsd->bNumEndpoints != 1) | |
231 | return -ENXIO; | |
232 | ||
43df2a57 | 233 | fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); |
e5779998 DM |
234 | if (!fp) |
235 | return -ENOMEM; | |
e5779998 DM |
236 | |
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); | |
242 | ||
243 | switch (fp->maxpacksize) { | |
244 | case 0x120: | |
245 | fp->rate_max = fp->rate_min = 44100; | |
246 | break; | |
247 | case 0x138: | |
248 | case 0x140: | |
249 | fp->rate_max = fp->rate_min = 48000; | |
250 | break; | |
251 | case 0x258: | |
252 | case 0x260: | |
253 | fp->rate_max = fp->rate_min = 96000; | |
254 | break; | |
255 | default: | |
256 | snd_printk(KERN_ERR "unknown sample rate\n"); | |
257 | kfree(fp); | |
258 | return -ENXIO; | |
259 | } | |
260 | ||
261 | stream = (fp->endpoint & USB_DIR_IN) | |
262 | ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | |
e8e8babf | 263 | err = snd_usb_add_audio_stream(chip, stream, fp); |
e5779998 DM |
264 | if (err < 0) { |
265 | kfree(fp); | |
266 | return err; | |
267 | } | |
268 | usb_set_interface(chip->dev, fp->iface, 0); | |
269 | return 0; | |
270 | } | |
271 | ||
014950b0 DM |
272 | /* |
273 | * Create a standard mixer for the specified interface. | |
274 | */ | |
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) | |
279 | { | |
280 | if (quirk->ifnum < 0) | |
281 | return 0; | |
282 | ||
283 | return snd_usb_create_mixer(chip, quirk->ifnum, 0); | |
284 | } | |
285 | ||
e5779998 DM |
286 | /* |
287 | * audio-interface quirks | |
288 | * | |
289 | * returns zero if no standard audio/MIDI parsing is needed. | |
25985edc | 290 | * returns a positive value if standard audio/midi interfaces are parsed |
e5779998 DM |
291 | * after this. |
292 | * returns a negative value at error. | |
293 | */ | |
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) | |
298 | { | |
299 | typedef int (*quirk_func_t)(struct snd_usb_audio *, | |
300 | struct usb_interface *, | |
301 | struct usb_driver *, | |
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, | |
c7f57216 | 311 | [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, |
e5779998 DM |
312 | [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, |
313 | [QUIRK_MIDI_CME] = create_any_midi_quirk, | |
4434ade8 | 314 | [QUIRK_MIDI_AKAI] = create_any_midi_quirk, |
1ef0e0a0 | 315 | [QUIRK_MIDI_FTDI] = create_any_midi_quirk, |
88ab7320 | 316 | [QUIRK_MIDI_CH345] = create_any_midi_quirk, |
e5779998 DM |
317 | [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, |
318 | [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, | |
319 | [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, | |
014950b0 DM |
320 | [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, |
321 | [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, | |
e5779998 DM |
322 | }; |
323 | ||
324 | if (quirk->type < QUIRK_TYPE_COUNT) { | |
325 | return quirk_funcs[quirk->type](chip, iface, driver, quirk); | |
326 | } else { | |
327 | snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); | |
328 | return -ENXIO; | |
329 | } | |
330 | } | |
331 | ||
332 | /* | |
333 | * boot quirks | |
334 | */ | |
335 | ||
336 | #define EXTIGY_FIRMWARE_SIZE_OLD 794 | |
337 | #define EXTIGY_FIRMWARE_SIZE_NEW 483 | |
338 | ||
339 | static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) | |
340 | { | |
341 | struct usb_host_config *config = dev->actconfig; | |
342 | int err; | |
343 | ||
344 | if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || | |
345 | le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { | |
346 | snd_printdd("sending Extigy boot sequence...\n"); | |
347 | /* Send message to force it to reconnect with full interface. */ | |
348 | err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), | |
17d900c4 | 349 | 0x10, 0x43, 0x0001, 0x000a, NULL, 0); |
e5779998 DM |
350 | if (err < 0) snd_printdd("error sending boot message: %d\n", err); |
351 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, | |
352 | &dev->descriptor, sizeof(dev->descriptor)); | |
353 | config = dev->actconfig; | |
354 | if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err); | |
355 | err = usb_reset_configuration(dev); | |
356 | if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err); | |
357 | snd_printdd("extigy_boot: new boot length = %d\n", | |
358 | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); | |
359 | return -ENODEV; /* quit this anyway */ | |
360 | } | |
361 | return 0; | |
362 | } | |
363 | ||
364 | static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) | |
365 | { | |
366 | u8 buf = 1; | |
367 | ||
368 | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, | |
369 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
17d900c4 | 370 | 0, 0, &buf, 1); |
e5779998 DM |
371 | if (buf == 0) { |
372 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, | |
373 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
17d900c4 | 374 | 1, 2000, NULL, 0); |
e5779998 DM |
375 | return -ENODEV; |
376 | } | |
377 | return 0; | |
378 | } | |
379 | ||
0f5733b0 GP |
380 | static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) |
381 | { | |
382 | int err; | |
383 | ||
384 | if (dev->actconfig->desc.bConfigurationValue == 1) { | |
385 | snd_printk(KERN_INFO "usb-audio: " | |
386 | "Fast Track Pro switching to config #2\n"); | |
387 | /* This function has to be available by the usb core module. | |
388 | * if it is not avialable the boot quirk has to be left out | |
389 | * and the configuration has to be set by udev or hotplug | |
390 | * rules | |
391 | */ | |
392 | err = usb_driver_set_configuration(dev, 2); | |
b98ae272 | 393 | if (err < 0) |
0f5733b0 GP |
394 | snd_printdd("error usb_driver_set_configuration: %d\n", |
395 | err); | |
b98ae272 DH |
396 | /* Always return an error, so that we stop creating a device |
397 | that will just be destroyed and recreated with a new | |
398 | configuration */ | |
399 | return -ENODEV; | |
0f5733b0 GP |
400 | } else |
401 | snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n"); | |
402 | ||
403 | return 0; | |
404 | } | |
405 | ||
e5779998 DM |
406 | /* |
407 | * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely | |
408 | * documented in the device's data sheet. | |
409 | */ | |
410 | static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) | |
411 | { | |
412 | u8 buf[4]; | |
413 | buf[0] = 0x20; | |
414 | buf[1] = value & 0xff; | |
415 | buf[2] = (value >> 8) & 0xff; | |
416 | buf[3] = reg; | |
417 | return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, | |
418 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, | |
17d900c4 | 419 | 0, 0, &buf, 4); |
e5779998 DM |
420 | } |
421 | ||
422 | static int snd_usb_cm106_boot_quirk(struct usb_device *dev) | |
423 | { | |
424 | /* | |
425 | * Enable line-out driver mode, set headphone source to front | |
426 | * channels, enable stereo mic. | |
427 | */ | |
428 | return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); | |
429 | } | |
430 | ||
431 | /* | |
432 | * C-Media CM6206 is based on CM106 with two additional | |
433 | * registers that are not documented in the data sheet. | |
434 | * Values here are chosen based on sniffing USB traffic | |
435 | * under Windows. | |
436 | */ | |
437 | static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) | |
438 | { | |
dac8f847 | 439 | int err = 0, reg; |
157186bc | 440 | int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; |
e5779998 DM |
441 | |
442 | for (reg = 0; reg < ARRAY_SIZE(val); reg++) { | |
443 | err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); | |
444 | if (err < 0) | |
445 | return err; | |
446 | } | |
447 | ||
448 | return err; | |
449 | } | |
450 | ||
5e212332 MH |
451 | /* |
452 | * Novation Twitch DJ controller | |
453 | */ | |
454 | static int snd_usb_twitch_boot_quirk(struct usb_device *dev) | |
455 | { | |
456 | /* preemptively set up the device because otherwise the | |
457 | * raw MIDI endpoints are not active */ | |
458 | usb_set_interface(dev, 0, 1); | |
459 | return 0; | |
460 | } | |
461 | ||
e5779998 DM |
462 | /* |
463 | * This call will put the synth in "USB send" mode, i.e it will send MIDI | |
464 | * messages through USB (this is disabled at startup). The synth will | |
465 | * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB | |
466 | * sign on its LCD. Values here are chosen based on sniffing USB traffic | |
467 | * under Windows. | |
468 | */ | |
469 | static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) | |
470 | { | |
471 | int err, actual_length; | |
472 | ||
473 | /* "midi send" enable */ | |
474 | static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; | |
475 | ||
476 | void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); | |
477 | if (!buf) | |
478 | return -ENOMEM; | |
479 | err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, | |
480 | ARRAY_SIZE(seq), &actual_length, 1000); | |
481 | kfree(buf); | |
482 | if (err < 0) | |
483 | return err; | |
484 | ||
485 | return 0; | |
486 | } | |
487 | ||
54a8c500 DM |
488 | /* |
489 | * Some sound cards from Native Instruments are in fact compliant to the USB | |
490 | * audio standard of version 2 and other approved USB standards, even though | |
491 | * they come up as vendor-specific device when first connected. | |
492 | * | |
493 | * However, they can be told to come up with a new set of descriptors | |
494 | * upon their next enumeration, and the interfaces announced by the new | |
495 | * descriptors will then be handled by the kernel's class drivers. As the | |
496 | * product ID will also change, no further checks are required. | |
497 | */ | |
498 | ||
499 | static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) | |
500 | { | |
501 | int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | |
502 | 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, | |
889d6684 | 503 | 1, 0, NULL, 0, 1000); |
54a8c500 DM |
504 | |
505 | if (ret < 0) | |
506 | return ret; | |
507 | ||
508 | usb_reset_device(dev); | |
509 | ||
510 | /* return -EAGAIN, so the creation of an audio interface for this | |
511 | * temporary device is aborted. The device will reconnect with a | |
512 | * new product ID */ | |
513 | return -EAGAIN; | |
514 | } | |
515 | ||
cb99864d DZ |
516 | static void mbox2_setup_48_24_magic(struct usb_device *dev) |
517 | { | |
518 | u8 srate[3]; | |
519 | u8 temp[12]; | |
520 | ||
521 | /* Choose 48000Hz permanently */ | |
522 | srate[0] = 0x80; | |
523 | srate[1] = 0xbb; | |
524 | srate[2] = 0x00; | |
525 | ||
526 | /* Send the magic! */ | |
527 | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), | |
528 | 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); | |
529 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | |
530 | 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); | |
531 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | |
532 | 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); | |
533 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | |
534 | 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); | |
535 | return; | |
536 | } | |
537 | ||
538 | /* Digidesign Mbox 2 needs to load firmware onboard | |
539 | * and driver must wait a few seconds for initialisation. | |
540 | */ | |
541 | ||
542 | #define MBOX2_FIRMWARE_SIZE 646 | |
543 | #define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ | |
544 | #define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ | |
545 | ||
b7b435e8 | 546 | static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) |
cb99864d DZ |
547 | { |
548 | struct usb_host_config *config = dev->actconfig; | |
549 | int err; | |
4909a0ca | 550 | u8 bootresponse[0x12]; |
cb99864d DZ |
551 | int fwsize; |
552 | int count; | |
553 | ||
554 | fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); | |
555 | ||
556 | if (fwsize != MBOX2_FIRMWARE_SIZE) { | |
557 | snd_printk(KERN_ERR "usb-audio: Invalid firmware size=%d.\n", fwsize); | |
558 | return -ENODEV; | |
559 | } | |
560 | ||
561 | snd_printd("usb-audio: Sending Digidesign Mbox 2 boot sequence...\n"); | |
562 | ||
563 | count = 0; | |
b7b435e8 DZ |
564 | bootresponse[0] = MBOX2_BOOT_LOADING; |
565 | while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { | |
cb99864d DZ |
566 | msleep(500); /* 0.5 second delay */ |
567 | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), | |
568 | /* Control magic - load onboard firmware */ | |
569 | 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); | |
b7b435e8 | 570 | if (bootresponse[0] == MBOX2_BOOT_READY) |
cb99864d DZ |
571 | break; |
572 | snd_printd("usb-audio: device not ready, resending boot sequence...\n"); | |
573 | count++; | |
574 | } | |
575 | ||
b7b435e8 DZ |
576 | if (bootresponse[0] != MBOX2_BOOT_READY) { |
577 | snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); | |
cb99864d DZ |
578 | return -ENODEV; |
579 | } | |
580 | ||
581 | snd_printdd("usb-audio: device initialised!\n"); | |
582 | ||
583 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, | |
584 | &dev->descriptor, sizeof(dev->descriptor)); | |
585 | config = dev->actconfig; | |
586 | if (err < 0) | |
587 | snd_printd("error usb_get_descriptor: %d\n", err); | |
588 | ||
589 | err = usb_reset_configuration(dev); | |
590 | if (err < 0) | |
591 | snd_printd("error usb_reset_configuration: %d\n", err); | |
592 | snd_printdd("mbox2_boot: new boot length = %d\n", | |
593 | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); | |
594 | ||
595 | mbox2_setup_48_24_magic(dev); | |
596 | ||
597 | snd_printk(KERN_INFO "usb-audio: Digidesign Mbox 2: 24bit 48kHz"); | |
598 | ||
599 | return 0; /* Successful boot */ | |
600 | } | |
601 | ||
e5779998 DM |
602 | /* |
603 | * Setup quirks | |
604 | */ | |
0f5733b0 GP |
605 | #define MAUDIO_SET 0x01 /* parse device_setup */ |
606 | #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ | |
607 | #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ | |
608 | #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ | |
609 | #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ | |
610 | #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ | |
611 | #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ | |
612 | #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ | |
613 | #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ | |
614 | #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ | |
615 | #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ | |
616 | ||
617 | static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, | |
618 | int iface, int altno) | |
619 | { | |
620 | /* Reset ALL ifaces to 0 altsetting. | |
621 | * Call it for every possible altsetting of every interface. | |
622 | */ | |
623 | usb_set_interface(chip->dev, iface, 0); | |
624 | if (chip->setup & MAUDIO_SET) { | |
625 | if (chip->setup & MAUDIO_SET_COMPATIBLE) { | |
626 | if (iface != 1 && iface != 2) | |
627 | return 1; /* skip all interfaces but 1 and 2 */ | |
628 | } else { | |
629 | unsigned int mask; | |
630 | if (iface == 1 || iface == 2) | |
631 | return 1; /* skip interfaces 1 and 2 */ | |
632 | if ((chip->setup & MAUDIO_SET_96K) && altno != 1) | |
633 | return 1; /* skip this altsetting */ | |
634 | mask = chip->setup & MAUDIO_SET_MASK; | |
635 | if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) | |
636 | return 1; /* skip this altsetting */ | |
637 | if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) | |
638 | return 1; /* skip this altsetting */ | |
639 | if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) | |
640 | return 1; /* skip this altsetting */ | |
641 | } | |
642 | } | |
643 | snd_printdd(KERN_INFO | |
644 | "using altsetting %d for interface %d config %d\n", | |
645 | altno, iface, chip->setup); | |
646 | return 0; /* keep this altsetting */ | |
647 | } | |
e5779998 DM |
648 | |
649 | static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, | |
650 | int iface, | |
651 | int altno) | |
652 | { | |
653 | /* Reset ALL ifaces to 0 altsetting. | |
654 | * Call it for every possible altsetting of every interface. | |
655 | */ | |
656 | usb_set_interface(chip->dev, iface, 0); | |
657 | ||
0f5733b0 GP |
658 | if (chip->setup & MAUDIO_SET) { |
659 | unsigned int mask; | |
660 | if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) | |
e5779998 | 661 | return 1; /* skip this altsetting */ |
0f5733b0 | 662 | if ((chip->setup & MAUDIO_SET_96K) && altno != 1) |
e5779998 | 663 | return 1; /* skip this altsetting */ |
0f5733b0 GP |
664 | mask = chip->setup & MAUDIO_SET_MASK; |
665 | if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) | |
e5779998 | 666 | return 1; /* skip this altsetting */ |
0f5733b0 | 667 | if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) |
e5779998 | 668 | return 1; /* skip this altsetting */ |
0f5733b0 | 669 | if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) |
e5779998 | 670 | return 1; /* skip this altsetting */ |
0f5733b0 | 671 | if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) |
e5779998 DM |
672 | return 1; /* skip this altsetting */ |
673 | } | |
674 | ||
675 | return 0; /* keep this altsetting */ | |
676 | } | |
677 | ||
0f5733b0 GP |
678 | static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, |
679 | int iface, int altno) | |
680 | { | |
681 | /* Reset ALL ifaces to 0 altsetting. | |
682 | * Call it for every possible altsetting of every interface. | |
683 | */ | |
684 | usb_set_interface(chip->dev, iface, 0); | |
685 | ||
686 | /* possible configuration where both inputs and only one output is | |
687 | *used is not supported by the current setup | |
688 | */ | |
689 | if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { | |
690 | if (chip->setup & MAUDIO_SET_96K) { | |
691 | if (altno != 3 && altno != 6) | |
692 | return 1; | |
693 | } else if (chip->setup & MAUDIO_SET_DI) { | |
694 | if (iface == 4) | |
695 | return 1; /* no analog input */ | |
696 | if (altno != 2 && altno != 5) | |
697 | return 1; /* enable only altsets 2 and 5 */ | |
698 | } else { | |
699 | if (iface == 5) | |
700 | return 1; /* disable digialt input */ | |
701 | if (altno != 2 && altno != 5) | |
702 | return 1; /* enalbe only altsets 2 and 5 */ | |
703 | } | |
704 | } else { | |
705 | /* keep only 16-Bit mode */ | |
706 | if (altno != 1) | |
707 | return 1; | |
708 | } | |
709 | ||
710 | snd_printdd(KERN_INFO | |
711 | "using altsetting %d for interface %d config %d\n", | |
712 | altno, iface, chip->setup); | |
713 | return 0; /* keep this altsetting */ | |
714 | } | |
715 | ||
e5779998 DM |
716 | int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, |
717 | int iface, | |
718 | int altno) | |
719 | { | |
720 | /* audiophile usb: skip altsets incompatible with device_setup */ | |
721 | if (chip->usb_id == USB_ID(0x0763, 0x2003)) | |
722 | return audiophile_skip_setting_quirk(chip, iface, altno); | |
0f5733b0 GP |
723 | /* quattro usb: skip altsets incompatible with device_setup */ |
724 | if (chip->usb_id == USB_ID(0x0763, 0x2001)) | |
725 | return quattro_skip_setting_quirk(chip, iface, altno); | |
726 | /* fasttrackpro usb: skip altsets incompatible with device_setup */ | |
727 | if (chip->usb_id == USB_ID(0x0763, 0x2012)) | |
728 | return fasttrackpro_skip_setting_quirk(chip, iface, altno); | |
e5779998 DM |
729 | |
730 | return 0; | |
731 | } | |
732 | ||
733 | int snd_usb_apply_boot_quirk(struct usb_device *dev, | |
734 | struct usb_interface *intf, | |
735 | const struct snd_usb_audio_quirk *quirk) | |
736 | { | |
737 | u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), | |
738 | le16_to_cpu(dev->descriptor.idProduct)); | |
739 | ||
3347b26c DM |
740 | switch (id) { |
741 | case USB_ID(0x041e, 0x3000): | |
742 | /* SB Extigy needs special boot-up sequence */ | |
743 | /* if more models come, this will go to the quirk list. */ | |
e5779998 DM |
744 | return snd_usb_extigy_boot_quirk(dev, intf); |
745 | ||
3347b26c DM |
746 | case USB_ID(0x041e, 0x3020): |
747 | /* SB Audigy 2 NX needs its own boot-up magic, too */ | |
e5779998 DM |
748 | return snd_usb_audigy2nx_boot_quirk(dev); |
749 | ||
3347b26c DM |
750 | case USB_ID(0x10f5, 0x0200): |
751 | /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ | |
e5779998 DM |
752 | return snd_usb_cm106_boot_quirk(dev); |
753 | ||
3347b26c DM |
754 | case USB_ID(0x0d8c, 0x0102): |
755 | /* C-Media CM6206 / CM106-Like Sound Device */ | |
8129e79e | 756 | case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ |
e5779998 DM |
757 | return snd_usb_cm6206_boot_quirk(dev); |
758 | ||
cb99864d DZ |
759 | case USB_ID(0x0dba, 0x3000): |
760 | /* Digidesign Mbox 2 */ | |
761 | return snd_usb_mbox2_boot_quirk(dev); | |
762 | ||
5e212332 MH |
763 | case USB_ID(0x1235, 0x0018): |
764 | /* Focusrite Novation Twitch */ | |
765 | return snd_usb_twitch_boot_quirk(dev); | |
766 | ||
3347b26c DM |
767 | case USB_ID(0x133e, 0x0815): |
768 | /* Access Music VirusTI Desktop */ | |
e5779998 DM |
769 | return snd_usb_accessmusic_boot_quirk(dev); |
770 | ||
759e890f | 771 | case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ |
3347b26c DM |
772 | case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ |
773 | case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ | |
54a8c500 | 774 | return snd_usb_nativeinstruments_boot_quirk(dev); |
0f5733b0 GP |
775 | case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ |
776 | return snd_usb_fasttrackpro_boot_quirk(dev); | |
3347b26c | 777 | } |
54a8c500 | 778 | |
e5779998 DM |
779 | return 0; |
780 | } | |
781 | ||
782 | /* | |
783 | * check if the device uses big-endian samples | |
784 | */ | |
785 | int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) | |
786 | { | |
48fc7f7e | 787 | /* it depends on altsetting whether the device is big-endian or not */ |
e5779998 DM |
788 | switch (chip->usb_id) { |
789 | case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ | |
0f5733b0 GP |
790 | if (fp->altsetting == 2 || fp->altsetting == 3 || |
791 | fp->altsetting == 5 || fp->altsetting == 6) | |
e5779998 DM |
792 | return 1; |
793 | break; | |
794 | case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ | |
795 | if (chip->setup == 0x00 || | |
0f5733b0 GP |
796 | fp->altsetting == 1 || fp->altsetting == 2 || |
797 | fp->altsetting == 3) | |
798 | return 1; | |
799 | break; | |
800 | case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ | |
801 | if (fp->altsetting == 2 || fp->altsetting == 3 || | |
802 | fp->altsetting == 5 || fp->altsetting == 6) | |
e5779998 | 803 | return 1; |
0f5733b0 | 804 | break; |
e5779998 DM |
805 | } |
806 | return 0; | |
807 | } | |
808 | ||
809 | /* | |
1cdfa9f3 | 810 | * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, |
e5779998 DM |
811 | * not for interface. |
812 | */ | |
813 | ||
814 | enum { | |
815 | EMU_QUIRK_SR_44100HZ = 0, | |
816 | EMU_QUIRK_SR_48000HZ, | |
817 | EMU_QUIRK_SR_88200HZ, | |
818 | EMU_QUIRK_SR_96000HZ, | |
819 | EMU_QUIRK_SR_176400HZ, | |
820 | EMU_QUIRK_SR_192000HZ | |
821 | }; | |
822 | ||
823 | static void set_format_emu_quirk(struct snd_usb_substream *subs, | |
824 | struct audioformat *fmt) | |
825 | { | |
826 | unsigned char emu_samplerate_id = 0; | |
827 | ||
828 | /* When capture is active | |
829 | * sample rate shouldn't be changed | |
830 | * by playback substream | |
831 | */ | |
832 | if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { | |
833 | if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) | |
834 | return; | |
835 | } | |
836 | ||
837 | switch (fmt->rate_min) { | |
838 | case 48000: | |
839 | emu_samplerate_id = EMU_QUIRK_SR_48000HZ; | |
840 | break; | |
841 | case 88200: | |
842 | emu_samplerate_id = EMU_QUIRK_SR_88200HZ; | |
843 | break; | |
844 | case 96000: | |
845 | emu_samplerate_id = EMU_QUIRK_SR_96000HZ; | |
846 | break; | |
847 | case 176400: | |
848 | emu_samplerate_id = EMU_QUIRK_SR_176400HZ; | |
849 | break; | |
850 | case 192000: | |
851 | emu_samplerate_id = EMU_QUIRK_SR_192000HZ; | |
852 | break; | |
853 | default: | |
854 | emu_samplerate_id = EMU_QUIRK_SR_44100HZ; | |
855 | break; | |
856 | } | |
857 | snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); | |
1539d4f8 | 858 | subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; |
e5779998 DM |
859 | } |
860 | ||
861 | void snd_usb_set_format_quirk(struct snd_usb_substream *subs, | |
862 | struct audioformat *fmt) | |
863 | { | |
864 | switch (subs->stream->chip->usb_id) { | |
865 | case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ | |
866 | case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ | |
867 | case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ | |
1cdfa9f3 | 868 | case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ |
e5779998 DM |
869 | set_format_emu_quirk(subs, fmt); |
870 | break; | |
871 | } | |
872 | } | |
873 | ||
2b58fd5b DM |
874 | void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) |
875 | { | |
876 | /* | |
877 | * "Playback Design" products send bogus feedback data at the start | |
878 | * of the stream. Ignore them. | |
879 | */ | |
880 | if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) && | |
881 | ep->type == SND_USB_ENDPOINT_TYPE_SYNC) | |
882 | ep->skip_packets = 4; | |
83e3acd4 EZ |
883 | |
884 | /* | |
e9a25e04 MG |
885 | * M-Audio Fast Track C400/C600 - when packets are not skipped, real |
886 | * world latency varies by approx. +/- 50 frames (at 96KHz) each time | |
887 | * the stream is (re)started. When skipping packets 16 at endpoint | |
888 | * start up, the real world latency is stable within +/- 1 frame (also | |
83e3acd4 EZ |
889 | * across power cycles). |
890 | */ | |
e9a25e04 MG |
891 | if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || |
892 | ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && | |
83e3acd4 EZ |
893 | ep->type == SND_USB_ENDPOINT_TYPE_DATA) |
894 | ep->skip_packets = 16; | |
2b58fd5b DM |
895 | } |
896 | ||
21bb5aaf DM |
897 | void snd_usb_set_interface_quirk(struct usb_device *dev) |
898 | { | |
899 | /* | |
900 | * "Playback Design" products need a 50ms delay after setting the | |
901 | * USB interface. | |
902 | */ | |
fc345885 GF |
903 | switch (le16_to_cpu(dev->descriptor.idVendor)) { |
904 | case 0x23ba: /* Playback Design */ | |
905 | case 0x0644: /* TEAC Corp. */ | |
21bb5aaf | 906 | mdelay(50); |
fc345885 GF |
907 | break; |
908 | } | |
21bb5aaf DM |
909 | } |
910 | ||
2b58fd5b DM |
911 | void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, |
912 | __u8 request, __u8 requesttype, __u16 value, | |
913 | __u16 index, void *data, __u16 size) | |
914 | { | |
915 | /* | |
916 | * "Playback Design" products need a 20ms delay after each | |
917 | * class compliant request | |
918 | */ | |
919 | if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) && | |
920 | (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) | |
921 | mdelay(20); | |
f6fb2896 | 922 | |
fc345885 GF |
923 | /* |
924 | * "TEAC Corp." products need a 20ms delay after each | |
925 | * class compliant request | |
926 | */ | |
927 | if ((le16_to_cpu(dev->descriptor.idVendor) == 0x0644) && | |
928 | (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) | |
929 | mdelay(20); | |
930 | ||
f6fb2896 JK |
931 | /* Marantz/Denon devices with USB DAC functionality need a delay |
932 | * after each class compliant request | |
933 | */ | |
934 | if ((le16_to_cpu(dev->descriptor.idVendor) == 0x154e) && | |
935 | (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) { | |
936 | ||
937 | switch (le16_to_cpu(dev->descriptor.idProduct)) { | |
938 | case 0x3005: /* Marantz HD-DAC1 */ | |
939 | case 0x3006: /* Marantz SA-14S1 */ | |
940 | mdelay(20); | |
941 | break; | |
942 | } | |
943 | } | |
2b58fd5b DM |
944 | } |
945 | ||
126825e7 DM |
946 | /* |
947 | * snd_usb_interface_dsd_format_quirks() is called from format.c to | |
948 | * augment the PCM format bit-field for DSD types. The UAC standards | |
949 | * don't have a designated bit field to denote DSD-capable interfaces, | |
950 | * hence all hardware that is known to support this format has to be | |
951 | * listed here. | |
952 | */ | |
953 | u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, | |
954 | struct audioformat *fp, | |
955 | unsigned int sample_bytes) | |
956 | { | |
957 | /* Playback Designs */ | |
958 | if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x23ba) { | |
959 | switch (fp->altsetting) { | |
960 | case 1: | |
961 | fp->dsd_dop = true; | |
962 | return SNDRV_PCM_FMTBIT_DSD_U16_LE; | |
963 | case 2: | |
964 | fp->dsd_bitrev = true; | |
965 | return SNDRV_PCM_FMTBIT_DSD_U8; | |
966 | case 3: | |
967 | fp->dsd_bitrev = true; | |
968 | return SNDRV_PCM_FMTBIT_DSD_U16_LE; | |
969 | } | |
970 | } | |
971 | ||
972 | return 0; | |
973 | } |