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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 | ||
22 | #include <sound/core.h> | |
23 | #include <sound/info.h> | |
24 | #include <sound/pcm.h> | |
25 | ||
26 | #include "usbaudio.h" | |
27 | #include "card.h" | |
f0b5e634 | 28 | #include "mixer.h" |
7b1eda22 | 29 | #include "mixer_quirks.h" |
e5779998 DM |
30 | #include "midi.h" |
31 | #include "quirks.h" | |
32 | #include "helper.h" | |
33 | #include "endpoint.h" | |
34 | #include "pcm.h" | |
35 | ||
36 | /* | |
37 | * handle the quirks for the contained interfaces | |
38 | */ | |
39 | static int create_composite_quirk(struct snd_usb_audio *chip, | |
40 | struct usb_interface *iface, | |
41 | struct usb_driver *driver, | |
42 | const struct snd_usb_audio_quirk *quirk) | |
43 | { | |
44 | int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; | |
45 | int err; | |
46 | ||
47 | for (quirk = quirk->data; quirk->ifnum >= 0; ++quirk) { | |
48 | iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); | |
49 | if (!iface) | |
50 | continue; | |
51 | if (quirk->ifnum != probed_ifnum && | |
52 | usb_interface_claimed(iface)) | |
53 | continue; | |
54 | err = snd_usb_create_quirk(chip, iface, driver, quirk); | |
55 | if (err < 0) | |
56 | return err; | |
57 | if (quirk->ifnum != probed_ifnum) | |
58 | usb_driver_claim_interface(driver, iface, (void *)-1L); | |
59 | } | |
60 | return 0; | |
61 | } | |
62 | ||
63 | static int ignore_interface_quirk(struct snd_usb_audio *chip, | |
64 | struct usb_interface *iface, | |
65 | struct usb_driver *driver, | |
66 | const struct snd_usb_audio_quirk *quirk) | |
67 | { | |
68 | return 0; | |
69 | } | |
70 | ||
71 | ||
72 | /* | |
73 | * Allow alignment on audio sub-slot (channel samples) rather than | |
74 | * on audio slots (audio frames) | |
75 | */ | |
76 | static int create_align_transfer_quirk(struct snd_usb_audio *chip, | |
77 | struct usb_interface *iface, | |
78 | struct usb_driver *driver, | |
79 | const struct snd_usb_audio_quirk *quirk) | |
80 | { | |
81 | chip->txfr_quirk = 1; | |
82 | return 1; /* Continue with creating streams and mixer */ | |
83 | } | |
84 | ||
85 | static int create_any_midi_quirk(struct snd_usb_audio *chip, | |
86 | struct usb_interface *intf, | |
87 | struct usb_driver *driver, | |
88 | const struct snd_usb_audio_quirk *quirk) | |
89 | { | |
90 | return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); | |
91 | } | |
92 | ||
93 | /* | |
94 | * create a stream for an interface with proper descriptors | |
95 | */ | |
96 | static int create_standard_audio_quirk(struct snd_usb_audio *chip, | |
97 | struct usb_interface *iface, | |
98 | struct usb_driver *driver, | |
99 | const struct snd_usb_audio_quirk *quirk) | |
100 | { | |
101 | struct usb_host_interface *alts; | |
102 | struct usb_interface_descriptor *altsd; | |
103 | int err; | |
104 | ||
105 | alts = &iface->altsetting[0]; | |
106 | altsd = get_iface_desc(alts); | |
107 | err = snd_usb_parse_audio_endpoints(chip, altsd->bInterfaceNumber); | |
108 | if (err < 0) { | |
109 | snd_printk(KERN_ERR "cannot setup if %d: error %d\n", | |
110 | altsd->bInterfaceNumber, err); | |
111 | return err; | |
112 | } | |
113 | /* reset the current interface */ | |
114 | usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); | |
115 | return 0; | |
116 | } | |
117 | ||
118 | /* | |
119 | * create a stream for an endpoint/altsetting without proper descriptors | |
120 | */ | |
121 | static int create_fixed_stream_quirk(struct snd_usb_audio *chip, | |
122 | struct usb_interface *iface, | |
123 | struct usb_driver *driver, | |
124 | const struct snd_usb_audio_quirk *quirk) | |
125 | { | |
126 | struct audioformat *fp; | |
127 | struct usb_host_interface *alts; | |
128 | int stream, err; | |
129 | unsigned *rate_table = NULL; | |
130 | ||
131 | fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); | |
132 | if (! fp) { | |
133 | snd_printk(KERN_ERR "cannot memdup\n"); | |
134 | return -ENOMEM; | |
135 | } | |
136 | if (fp->nr_rates > 0) { | |
137 | rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL); | |
138 | if (!rate_table) { | |
139 | kfree(fp); | |
140 | return -ENOMEM; | |
141 | } | |
142 | memcpy(rate_table, fp->rate_table, sizeof(int) * fp->nr_rates); | |
143 | fp->rate_table = rate_table; | |
144 | } | |
145 | ||
146 | stream = (fp->endpoint & USB_DIR_IN) | |
147 | ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | |
148 | err = snd_usb_add_audio_endpoint(chip, stream, fp); | |
149 | if (err < 0) { | |
150 | kfree(fp); | |
151 | kfree(rate_table); | |
152 | return err; | |
153 | } | |
154 | if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || | |
155 | fp->altset_idx >= iface->num_altsetting) { | |
156 | kfree(fp); | |
157 | kfree(rate_table); | |
158 | return -EINVAL; | |
159 | } | |
160 | alts = &iface->altsetting[fp->altset_idx]; | |
161 | fp->datainterval = snd_usb_parse_datainterval(chip, alts); | |
162 | fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); | |
163 | usb_set_interface(chip->dev, fp->iface, 0); | |
767d75ad DM |
164 | snd_usb_init_pitch(chip, fp->iface, alts, fp); |
165 | snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); | |
e5779998 DM |
166 | return 0; |
167 | } | |
168 | ||
169 | /* | |
170 | * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. | |
171 | * The only way to detect the sample rate is by looking at wMaxPacketSize. | |
172 | */ | |
173 | static int create_uaxx_quirk(struct snd_usb_audio *chip, | |
174 | struct usb_interface *iface, | |
175 | struct usb_driver *driver, | |
176 | const struct snd_usb_audio_quirk *quirk) | |
177 | { | |
178 | static const struct audioformat ua_format = { | |
015eb0b0 | 179 | .formats = SNDRV_PCM_FMTBIT_S24_3LE, |
e5779998 DM |
180 | .channels = 2, |
181 | .fmt_type = UAC_FORMAT_TYPE_I, | |
182 | .altsetting = 1, | |
183 | .altset_idx = 1, | |
184 | .rates = SNDRV_PCM_RATE_CONTINUOUS, | |
185 | }; | |
186 | struct usb_host_interface *alts; | |
187 | struct usb_interface_descriptor *altsd; | |
188 | struct audioformat *fp; | |
189 | int stream, err; | |
190 | ||
191 | /* both PCM and MIDI interfaces have 2 or more altsettings */ | |
192 | if (iface->num_altsetting < 2) | |
193 | return -ENXIO; | |
194 | alts = &iface->altsetting[1]; | |
195 | altsd = get_iface_desc(alts); | |
196 | ||
197 | if (altsd->bNumEndpoints == 2) { | |
198 | static const struct snd_usb_midi_endpoint_info ua700_ep = { | |
199 | .out_cables = 0x0003, | |
200 | .in_cables = 0x0003 | |
201 | }; | |
202 | static const struct snd_usb_audio_quirk ua700_quirk = { | |
203 | .type = QUIRK_MIDI_FIXED_ENDPOINT, | |
204 | .data = &ua700_ep | |
205 | }; | |
206 | static const struct snd_usb_midi_endpoint_info uaxx_ep = { | |
207 | .out_cables = 0x0001, | |
208 | .in_cables = 0x0001 | |
209 | }; | |
210 | static const struct snd_usb_audio_quirk uaxx_quirk = { | |
211 | .type = QUIRK_MIDI_FIXED_ENDPOINT, | |
212 | .data = &uaxx_ep | |
213 | }; | |
214 | const struct snd_usb_audio_quirk *quirk = | |
215 | chip->usb_id == USB_ID(0x0582, 0x002b) | |
216 | ? &ua700_quirk : &uaxx_quirk; | |
217 | return snd_usbmidi_create(chip->card, iface, | |
218 | &chip->midi_list, quirk); | |
219 | } | |
220 | ||
221 | if (altsd->bNumEndpoints != 1) | |
222 | return -ENXIO; | |
223 | ||
224 | fp = kmalloc(sizeof(*fp), GFP_KERNEL); | |
225 | if (!fp) | |
226 | return -ENOMEM; | |
227 | memcpy(fp, &ua_format, sizeof(*fp)); | |
228 | ||
229 | fp->iface = altsd->bInterfaceNumber; | |
230 | fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; | |
231 | fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; | |
232 | fp->datainterval = 0; | |
233 | fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); | |
234 | ||
235 | switch (fp->maxpacksize) { | |
236 | case 0x120: | |
237 | fp->rate_max = fp->rate_min = 44100; | |
238 | break; | |
239 | case 0x138: | |
240 | case 0x140: | |
241 | fp->rate_max = fp->rate_min = 48000; | |
242 | break; | |
243 | case 0x258: | |
244 | case 0x260: | |
245 | fp->rate_max = fp->rate_min = 96000; | |
246 | break; | |
247 | default: | |
248 | snd_printk(KERN_ERR "unknown sample rate\n"); | |
249 | kfree(fp); | |
250 | return -ENXIO; | |
251 | } | |
252 | ||
253 | stream = (fp->endpoint & USB_DIR_IN) | |
254 | ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | |
255 | err = snd_usb_add_audio_endpoint(chip, stream, fp); | |
256 | if (err < 0) { | |
257 | kfree(fp); | |
258 | return err; | |
259 | } | |
260 | usb_set_interface(chip->dev, fp->iface, 0); | |
261 | return 0; | |
262 | } | |
263 | ||
264 | /* | |
265 | * audio-interface quirks | |
266 | * | |
267 | * returns zero if no standard audio/MIDI parsing is needed. | |
268 | * returns a postive value if standard audio/midi interfaces are parsed | |
269 | * after this. | |
270 | * returns a negative value at error. | |
271 | */ | |
272 | int snd_usb_create_quirk(struct snd_usb_audio *chip, | |
273 | struct usb_interface *iface, | |
274 | struct usb_driver *driver, | |
275 | const struct snd_usb_audio_quirk *quirk) | |
276 | { | |
277 | typedef int (*quirk_func_t)(struct snd_usb_audio *, | |
278 | struct usb_interface *, | |
279 | struct usb_driver *, | |
280 | const struct snd_usb_audio_quirk *); | |
281 | static const quirk_func_t quirk_funcs[] = { | |
282 | [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, | |
283 | [QUIRK_COMPOSITE] = create_composite_quirk, | |
284 | [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, | |
285 | [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, | |
286 | [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, | |
287 | [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, | |
288 | [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, | |
289 | [QUIRK_MIDI_FASTLANE] = create_any_midi_quirk, | |
290 | [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, | |
291 | [QUIRK_MIDI_CME] = create_any_midi_quirk, | |
4434ade8 | 292 | [QUIRK_MIDI_AKAI] = create_any_midi_quirk, |
e5779998 DM |
293 | [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, |
294 | [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, | |
295 | [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, | |
296 | [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk | |
297 | }; | |
298 | ||
299 | if (quirk->type < QUIRK_TYPE_COUNT) { | |
300 | return quirk_funcs[quirk->type](chip, iface, driver, quirk); | |
301 | } else { | |
302 | snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); | |
303 | return -ENXIO; | |
304 | } | |
305 | } | |
306 | ||
307 | /* | |
308 | * boot quirks | |
309 | */ | |
310 | ||
311 | #define EXTIGY_FIRMWARE_SIZE_OLD 794 | |
312 | #define EXTIGY_FIRMWARE_SIZE_NEW 483 | |
313 | ||
314 | static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) | |
315 | { | |
316 | struct usb_host_config *config = dev->actconfig; | |
317 | int err; | |
318 | ||
319 | if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || | |
320 | le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { | |
321 | snd_printdd("sending Extigy boot sequence...\n"); | |
322 | /* Send message to force it to reconnect with full interface. */ | |
323 | err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), | |
324 | 0x10, 0x43, 0x0001, 0x000a, NULL, 0, 1000); | |
325 | if (err < 0) snd_printdd("error sending boot message: %d\n", err); | |
326 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, | |
327 | &dev->descriptor, sizeof(dev->descriptor)); | |
328 | config = dev->actconfig; | |
329 | if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err); | |
330 | err = usb_reset_configuration(dev); | |
331 | if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err); | |
332 | snd_printdd("extigy_boot: new boot length = %d\n", | |
333 | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); | |
334 | return -ENODEV; /* quit this anyway */ | |
335 | } | |
336 | return 0; | |
337 | } | |
338 | ||
339 | static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) | |
340 | { | |
341 | u8 buf = 1; | |
342 | ||
343 | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, | |
344 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
345 | 0, 0, &buf, 1, 1000); | |
346 | if (buf == 0) { | |
347 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, | |
348 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | |
349 | 1, 2000, NULL, 0, 1000); | |
350 | return -ENODEV; | |
351 | } | |
352 | return 0; | |
353 | } | |
354 | ||
355 | /* | |
356 | * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely | |
357 | * documented in the device's data sheet. | |
358 | */ | |
359 | static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) | |
360 | { | |
361 | u8 buf[4]; | |
362 | buf[0] = 0x20; | |
363 | buf[1] = value & 0xff; | |
364 | buf[2] = (value >> 8) & 0xff; | |
365 | buf[3] = reg; | |
366 | return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, | |
367 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, | |
368 | 0, 0, &buf, 4, 1000); | |
369 | } | |
370 | ||
371 | static int snd_usb_cm106_boot_quirk(struct usb_device *dev) | |
372 | { | |
373 | /* | |
374 | * Enable line-out driver mode, set headphone source to front | |
375 | * channels, enable stereo mic. | |
376 | */ | |
377 | return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); | |
378 | } | |
379 | ||
380 | /* | |
381 | * C-Media CM6206 is based on CM106 with two additional | |
382 | * registers that are not documented in the data sheet. | |
383 | * Values here are chosen based on sniffing USB traffic | |
384 | * under Windows. | |
385 | */ | |
386 | static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) | |
387 | { | |
388 | int err, reg; | |
389 | int val[] = {0x200c, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; | |
390 | ||
391 | for (reg = 0; reg < ARRAY_SIZE(val); reg++) { | |
392 | err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); | |
393 | if (err < 0) | |
394 | return err; | |
395 | } | |
396 | ||
397 | return err; | |
398 | } | |
399 | ||
400 | /* | |
401 | * This call will put the synth in "USB send" mode, i.e it will send MIDI | |
402 | * messages through USB (this is disabled at startup). The synth will | |
403 | * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB | |
404 | * sign on its LCD. Values here are chosen based on sniffing USB traffic | |
405 | * under Windows. | |
406 | */ | |
407 | static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) | |
408 | { | |
409 | int err, actual_length; | |
410 | ||
411 | /* "midi send" enable */ | |
412 | static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; | |
413 | ||
414 | void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); | |
415 | if (!buf) | |
416 | return -ENOMEM; | |
417 | err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, | |
418 | ARRAY_SIZE(seq), &actual_length, 1000); | |
419 | kfree(buf); | |
420 | if (err < 0) | |
421 | return err; | |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
426 | /* | |
427 | * Setup quirks | |
428 | */ | |
429 | #define AUDIOPHILE_SET 0x01 /* if set, parse device_setup */ | |
430 | #define AUDIOPHILE_SET_DTS 0x02 /* if set, enable DTS Digital Output */ | |
431 | #define AUDIOPHILE_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ | |
432 | #define AUDIOPHILE_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ | |
433 | #define AUDIOPHILE_SET_DI 0x10 /* if set, enable Digital Input */ | |
434 | #define AUDIOPHILE_SET_MASK 0x1F /* bit mask for setup value */ | |
435 | #define AUDIOPHILE_SET_24B_48K_DI 0x19 /* value for 24bits+48KHz+Digital Input */ | |
436 | #define AUDIOPHILE_SET_24B_48K_NOTDI 0x09 /* value for 24bits+48KHz+No Digital Input */ | |
437 | #define AUDIOPHILE_SET_16B_48K_DI 0x11 /* value for 16bits+48KHz+Digital Input */ | |
438 | #define AUDIOPHILE_SET_16B_48K_NOTDI 0x01 /* value for 16bits+48KHz+No Digital Input */ | |
439 | ||
440 | static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, | |
441 | int iface, | |
442 | int altno) | |
443 | { | |
444 | /* Reset ALL ifaces to 0 altsetting. | |
445 | * Call it for every possible altsetting of every interface. | |
446 | */ | |
447 | usb_set_interface(chip->dev, iface, 0); | |
448 | ||
449 | if (chip->setup & AUDIOPHILE_SET) { | |
450 | if ((chip->setup & AUDIOPHILE_SET_DTS) | |
451 | && altno != 6) | |
452 | return 1; /* skip this altsetting */ | |
453 | if ((chip->setup & AUDIOPHILE_SET_96K) | |
454 | && altno != 1) | |
455 | return 1; /* skip this altsetting */ | |
456 | if ((chip->setup & AUDIOPHILE_SET_MASK) == | |
457 | AUDIOPHILE_SET_24B_48K_DI && altno != 2) | |
458 | return 1; /* skip this altsetting */ | |
459 | if ((chip->setup & AUDIOPHILE_SET_MASK) == | |
460 | AUDIOPHILE_SET_24B_48K_NOTDI && altno != 3) | |
461 | return 1; /* skip this altsetting */ | |
462 | if ((chip->setup & AUDIOPHILE_SET_MASK) == | |
463 | AUDIOPHILE_SET_16B_48K_DI && altno != 4) | |
464 | return 1; /* skip this altsetting */ | |
465 | if ((chip->setup & AUDIOPHILE_SET_MASK) == | |
466 | AUDIOPHILE_SET_16B_48K_NOTDI && altno != 5) | |
467 | return 1; /* skip this altsetting */ | |
468 | } | |
469 | ||
470 | return 0; /* keep this altsetting */ | |
471 | } | |
472 | ||
473 | int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, | |
474 | int iface, | |
475 | int altno) | |
476 | { | |
477 | /* audiophile usb: skip altsets incompatible with device_setup */ | |
478 | if (chip->usb_id == USB_ID(0x0763, 0x2003)) | |
479 | return audiophile_skip_setting_quirk(chip, iface, altno); | |
480 | ||
481 | return 0; | |
482 | } | |
483 | ||
484 | int snd_usb_apply_boot_quirk(struct usb_device *dev, | |
485 | struct usb_interface *intf, | |
486 | const struct snd_usb_audio_quirk *quirk) | |
487 | { | |
488 | u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), | |
489 | le16_to_cpu(dev->descriptor.idProduct)); | |
490 | ||
491 | /* SB Extigy needs special boot-up sequence */ | |
492 | /* if more models come, this will go to the quirk list. */ | |
493 | if (id == USB_ID(0x041e, 0x3000)) | |
494 | return snd_usb_extigy_boot_quirk(dev, intf); | |
495 | ||
496 | /* SB Audigy 2 NX needs its own boot-up magic, too */ | |
497 | if (id == USB_ID(0x041e, 0x3020)) | |
498 | return snd_usb_audigy2nx_boot_quirk(dev); | |
499 | ||
500 | /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ | |
501 | if (id == USB_ID(0x10f5, 0x0200)) | |
502 | return snd_usb_cm106_boot_quirk(dev); | |
503 | ||
504 | /* C-Media CM6206 / CM106-Like Sound Device */ | |
505 | if (id == USB_ID(0x0d8c, 0x0102)) | |
506 | return snd_usb_cm6206_boot_quirk(dev); | |
507 | ||
508 | /* Access Music VirusTI Desktop */ | |
509 | if (id == USB_ID(0x133e, 0x0815)) | |
510 | return snd_usb_accessmusic_boot_quirk(dev); | |
511 | ||
512 | return 0; | |
513 | } | |
514 | ||
515 | /* | |
516 | * check if the device uses big-endian samples | |
517 | */ | |
518 | int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) | |
519 | { | |
520 | switch (chip->usb_id) { | |
521 | case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ | |
522 | if (fp->endpoint & USB_DIR_IN) | |
523 | return 1; | |
524 | break; | |
525 | case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ | |
526 | if (chip->setup == 0x00 || | |
527 | fp->altsetting==1 || fp->altsetting==2 || fp->altsetting==3) | |
528 | return 1; | |
529 | } | |
530 | return 0; | |
531 | } | |
532 | ||
533 | /* | |
534 | * For E-Mu 0404USB/0202USB/TrackerPre sample rate should be set for device, | |
535 | * not for interface. | |
536 | */ | |
537 | ||
538 | enum { | |
539 | EMU_QUIRK_SR_44100HZ = 0, | |
540 | EMU_QUIRK_SR_48000HZ, | |
541 | EMU_QUIRK_SR_88200HZ, | |
542 | EMU_QUIRK_SR_96000HZ, | |
543 | EMU_QUIRK_SR_176400HZ, | |
544 | EMU_QUIRK_SR_192000HZ | |
545 | }; | |
546 | ||
547 | static void set_format_emu_quirk(struct snd_usb_substream *subs, | |
548 | struct audioformat *fmt) | |
549 | { | |
550 | unsigned char emu_samplerate_id = 0; | |
551 | ||
552 | /* When capture is active | |
553 | * sample rate shouldn't be changed | |
554 | * by playback substream | |
555 | */ | |
556 | if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { | |
557 | if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) | |
558 | return; | |
559 | } | |
560 | ||
561 | switch (fmt->rate_min) { | |
562 | case 48000: | |
563 | emu_samplerate_id = EMU_QUIRK_SR_48000HZ; | |
564 | break; | |
565 | case 88200: | |
566 | emu_samplerate_id = EMU_QUIRK_SR_88200HZ; | |
567 | break; | |
568 | case 96000: | |
569 | emu_samplerate_id = EMU_QUIRK_SR_96000HZ; | |
570 | break; | |
571 | case 176400: | |
572 | emu_samplerate_id = EMU_QUIRK_SR_176400HZ; | |
573 | break; | |
574 | case 192000: | |
575 | emu_samplerate_id = EMU_QUIRK_SR_192000HZ; | |
576 | break; | |
577 | default: | |
578 | emu_samplerate_id = EMU_QUIRK_SR_44100HZ; | |
579 | break; | |
580 | } | |
581 | snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); | |
582 | } | |
583 | ||
584 | void snd_usb_set_format_quirk(struct snd_usb_substream *subs, | |
585 | struct audioformat *fmt) | |
586 | { | |
587 | switch (subs->stream->chip->usb_id) { | |
588 | case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ | |
589 | case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ | |
590 | case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ | |
591 | set_format_emu_quirk(subs, fmt); | |
592 | break; | |
593 | } | |
594 | } | |
595 |