diff options
Diffstat (limited to 'sound/usb/quirks.c')
-rw-r--r-- | sound/usb/quirks.c | 594 |
1 files changed, 594 insertions, 0 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c new file mode 100644 index 000000000000..136e5b4cf6de --- /dev/null +++ b/sound/usb/quirks.c | |||
@@ -0,0 +1,594 @@ | |||
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 | |||
22 | #include <sound/core.h> | ||
23 | #include <sound/info.h> | ||
24 | #include <sound/pcm.h> | ||
25 | |||
26 | #include "usbaudio.h" | ||
27 | #include "card.h" | ||
28 | #include "mixer.h" | ||
29 | #include "mixer_quirks.h" | ||
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); | ||
164 | snd_usb_init_pitch(chip, fp->iface, alts, fp); | ||
165 | snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); | ||
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 = { | ||
179 | .formats = SNDRV_PCM_FMTBIT_S24_3LE, | ||
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, | ||
292 | [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, | ||
293 | [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, | ||
294 | [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, | ||
295 | [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk | ||
296 | }; | ||
297 | |||
298 | if (quirk->type < QUIRK_TYPE_COUNT) { | ||
299 | return quirk_funcs[quirk->type](chip, iface, driver, quirk); | ||
300 | } else { | ||
301 | snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); | ||
302 | return -ENXIO; | ||
303 | } | ||
304 | } | ||
305 | |||
306 | /* | ||
307 | * boot quirks | ||
308 | */ | ||
309 | |||
310 | #define EXTIGY_FIRMWARE_SIZE_OLD 794 | ||
311 | #define EXTIGY_FIRMWARE_SIZE_NEW 483 | ||
312 | |||
313 | static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) | ||
314 | { | ||
315 | struct usb_host_config *config = dev->actconfig; | ||
316 | int err; | ||
317 | |||
318 | if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || | ||
319 | le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { | ||
320 | snd_printdd("sending Extigy boot sequence...\n"); | ||
321 | /* Send message to force it to reconnect with full interface. */ | ||
322 | err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), | ||
323 | 0x10, 0x43, 0x0001, 0x000a, NULL, 0, 1000); | ||
324 | if (err < 0) snd_printdd("error sending boot message: %d\n", err); | ||
325 | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, | ||
326 | &dev->descriptor, sizeof(dev->descriptor)); | ||
327 | config = dev->actconfig; | ||
328 | if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err); | ||
329 | err = usb_reset_configuration(dev); | ||
330 | if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err); | ||
331 | snd_printdd("extigy_boot: new boot length = %d\n", | ||
332 | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); | ||
333 | return -ENODEV; /* quit this anyway */ | ||
334 | } | ||
335 | return 0; | ||
336 | } | ||
337 | |||
338 | static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) | ||
339 | { | ||
340 | u8 buf = 1; | ||
341 | |||
342 | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, | ||
343 | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, | ||
344 | 0, 0, &buf, 1, 1000); | ||
345 | if (buf == 0) { | ||
346 | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, | ||
347 | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | ||
348 | 1, 2000, NULL, 0, 1000); | ||
349 | return -ENODEV; | ||
350 | } | ||
351 | return 0; | ||
352 | } | ||
353 | |||
354 | /* | ||
355 | * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely | ||
356 | * documented in the device's data sheet. | ||
357 | */ | ||
358 | static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) | ||
359 | { | ||
360 | u8 buf[4]; | ||
361 | buf[0] = 0x20; | ||
362 | buf[1] = value & 0xff; | ||
363 | buf[2] = (value >> 8) & 0xff; | ||
364 | buf[3] = reg; | ||
365 | return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, | ||
366 | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, | ||
367 | 0, 0, &buf, 4, 1000); | ||
368 | } | ||
369 | |||
370 | static int snd_usb_cm106_boot_quirk(struct usb_device *dev) | ||
371 | { | ||
372 | /* | ||
373 | * Enable line-out driver mode, set headphone source to front | ||
374 | * channels, enable stereo mic. | ||
375 | */ | ||
376 | return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); | ||
377 | } | ||
378 | |||
379 | /* | ||
380 | * C-Media CM6206 is based on CM106 with two additional | ||
381 | * registers that are not documented in the data sheet. | ||
382 | * Values here are chosen based on sniffing USB traffic | ||
383 | * under Windows. | ||
384 | */ | ||
385 | static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) | ||
386 | { | ||
387 | int err, reg; | ||
388 | int val[] = {0x200c, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; | ||
389 | |||
390 | for (reg = 0; reg < ARRAY_SIZE(val); reg++) { | ||
391 | err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); | ||
392 | if (err < 0) | ||
393 | return err; | ||
394 | } | ||
395 | |||
396 | return err; | ||
397 | } | ||
398 | |||
399 | /* | ||
400 | * This call will put the synth in "USB send" mode, i.e it will send MIDI | ||
401 | * messages through USB (this is disabled at startup). The synth will | ||
402 | * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB | ||
403 | * sign on its LCD. Values here are chosen based on sniffing USB traffic | ||
404 | * under Windows. | ||
405 | */ | ||
406 | static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) | ||
407 | { | ||
408 | int err, actual_length; | ||
409 | |||
410 | /* "midi send" enable */ | ||
411 | static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; | ||
412 | |||
413 | void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); | ||
414 | if (!buf) | ||
415 | return -ENOMEM; | ||
416 | err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, | ||
417 | ARRAY_SIZE(seq), &actual_length, 1000); | ||
418 | kfree(buf); | ||
419 | if (err < 0) | ||
420 | return err; | ||
421 | |||
422 | return 0; | ||
423 | } | ||
424 | |||
425 | /* | ||
426 | * Setup quirks | ||
427 | */ | ||
428 | #define AUDIOPHILE_SET 0x01 /* if set, parse device_setup */ | ||
429 | #define AUDIOPHILE_SET_DTS 0x02 /* if set, enable DTS Digital Output */ | ||
430 | #define AUDIOPHILE_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ | ||
431 | #define AUDIOPHILE_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ | ||
432 | #define AUDIOPHILE_SET_DI 0x10 /* if set, enable Digital Input */ | ||
433 | #define AUDIOPHILE_SET_MASK 0x1F /* bit mask for setup value */ | ||
434 | #define AUDIOPHILE_SET_24B_48K_DI 0x19 /* value for 24bits+48KHz+Digital Input */ | ||
435 | #define AUDIOPHILE_SET_24B_48K_NOTDI 0x09 /* value for 24bits+48KHz+No Digital Input */ | ||
436 | #define AUDIOPHILE_SET_16B_48K_DI 0x11 /* value for 16bits+48KHz+Digital Input */ | ||
437 | #define AUDIOPHILE_SET_16B_48K_NOTDI 0x01 /* value for 16bits+48KHz+No Digital Input */ | ||
438 | |||
439 | static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, | ||
440 | int iface, | ||
441 | int altno) | ||
442 | { | ||
443 | /* Reset ALL ifaces to 0 altsetting. | ||
444 | * Call it for every possible altsetting of every interface. | ||
445 | */ | ||
446 | usb_set_interface(chip->dev, iface, 0); | ||
447 | |||
448 | if (chip->setup & AUDIOPHILE_SET) { | ||
449 | if ((chip->setup & AUDIOPHILE_SET_DTS) | ||
450 | && altno != 6) | ||
451 | return 1; /* skip this altsetting */ | ||
452 | if ((chip->setup & AUDIOPHILE_SET_96K) | ||
453 | && altno != 1) | ||
454 | return 1; /* skip this altsetting */ | ||
455 | if ((chip->setup & AUDIOPHILE_SET_MASK) == | ||
456 | AUDIOPHILE_SET_24B_48K_DI && altno != 2) | ||
457 | return 1; /* skip this altsetting */ | ||
458 | if ((chip->setup & AUDIOPHILE_SET_MASK) == | ||
459 | AUDIOPHILE_SET_24B_48K_NOTDI && altno != 3) | ||
460 | return 1; /* skip this altsetting */ | ||
461 | if ((chip->setup & AUDIOPHILE_SET_MASK) == | ||
462 | AUDIOPHILE_SET_16B_48K_DI && altno != 4) | ||
463 | return 1; /* skip this altsetting */ | ||
464 | if ((chip->setup & AUDIOPHILE_SET_MASK) == | ||
465 | AUDIOPHILE_SET_16B_48K_NOTDI && altno != 5) | ||
466 | return 1; /* skip this altsetting */ | ||
467 | } | ||
468 | |||
469 | return 0; /* keep this altsetting */ | ||
470 | } | ||
471 | |||
472 | int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, | ||
473 | int iface, | ||
474 | int altno) | ||
475 | { | ||
476 | /* audiophile usb: skip altsets incompatible with device_setup */ | ||
477 | if (chip->usb_id == USB_ID(0x0763, 0x2003)) | ||
478 | return audiophile_skip_setting_quirk(chip, iface, altno); | ||
479 | |||
480 | return 0; | ||
481 | } | ||
482 | |||
483 | int snd_usb_apply_boot_quirk(struct usb_device *dev, | ||
484 | struct usb_interface *intf, | ||
485 | const struct snd_usb_audio_quirk *quirk) | ||
486 | { | ||
487 | u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), | ||
488 | le16_to_cpu(dev->descriptor.idProduct)); | ||
489 | |||
490 | /* SB Extigy needs special boot-up sequence */ | ||
491 | /* if more models come, this will go to the quirk list. */ | ||
492 | if (id == USB_ID(0x041e, 0x3000)) | ||
493 | return snd_usb_extigy_boot_quirk(dev, intf); | ||
494 | |||
495 | /* SB Audigy 2 NX needs its own boot-up magic, too */ | ||
496 | if (id == USB_ID(0x041e, 0x3020)) | ||
497 | return snd_usb_audigy2nx_boot_quirk(dev); | ||
498 | |||
499 | /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ | ||
500 | if (id == USB_ID(0x10f5, 0x0200)) | ||
501 | return snd_usb_cm106_boot_quirk(dev); | ||
502 | |||
503 | /* C-Media CM6206 / CM106-Like Sound Device */ | ||
504 | if (id == USB_ID(0x0d8c, 0x0102)) | ||
505 | return snd_usb_cm6206_boot_quirk(dev); | ||
506 | |||
507 | /* Access Music VirusTI Desktop */ | ||
508 | if (id == USB_ID(0x133e, 0x0815)) | ||
509 | return snd_usb_accessmusic_boot_quirk(dev); | ||
510 | |||
511 | return 0; | ||
512 | } | ||
513 | |||
514 | /* | ||
515 | * check if the device uses big-endian samples | ||
516 | */ | ||
517 | int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) | ||
518 | { | ||
519 | switch (chip->usb_id) { | ||
520 | case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ | ||
521 | if (fp->endpoint & USB_DIR_IN) | ||
522 | return 1; | ||
523 | break; | ||
524 | case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ | ||
525 | if (chip->setup == 0x00 || | ||
526 | fp->altsetting==1 || fp->altsetting==2 || fp->altsetting==3) | ||
527 | return 1; | ||
528 | } | ||
529 | return 0; | ||
530 | } | ||
531 | |||
532 | /* | ||
533 | * For E-Mu 0404USB/0202USB/TrackerPre sample rate should be set for device, | ||
534 | * not for interface. | ||
535 | */ | ||
536 | |||
537 | enum { | ||
538 | EMU_QUIRK_SR_44100HZ = 0, | ||
539 | EMU_QUIRK_SR_48000HZ, | ||
540 | EMU_QUIRK_SR_88200HZ, | ||
541 | EMU_QUIRK_SR_96000HZ, | ||
542 | EMU_QUIRK_SR_176400HZ, | ||
543 | EMU_QUIRK_SR_192000HZ | ||
544 | }; | ||
545 | |||
546 | static void set_format_emu_quirk(struct snd_usb_substream *subs, | ||
547 | struct audioformat *fmt) | ||
548 | { | ||
549 | unsigned char emu_samplerate_id = 0; | ||
550 | |||
551 | /* When capture is active | ||
552 | * sample rate shouldn't be changed | ||
553 | * by playback substream | ||
554 | */ | ||
555 | if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { | ||
556 | if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) | ||
557 | return; | ||
558 | } | ||
559 | |||
560 | switch (fmt->rate_min) { | ||
561 | case 48000: | ||
562 | emu_samplerate_id = EMU_QUIRK_SR_48000HZ; | ||
563 | break; | ||
564 | case 88200: | ||
565 | emu_samplerate_id = EMU_QUIRK_SR_88200HZ; | ||
566 | break; | ||
567 | case 96000: | ||
568 | emu_samplerate_id = EMU_QUIRK_SR_96000HZ; | ||
569 | break; | ||
570 | case 176400: | ||
571 | emu_samplerate_id = EMU_QUIRK_SR_176400HZ; | ||
572 | break; | ||
573 | case 192000: | ||
574 | emu_samplerate_id = EMU_QUIRK_SR_192000HZ; | ||
575 | break; | ||
576 | default: | ||
577 | emu_samplerate_id = EMU_QUIRK_SR_44100HZ; | ||
578 | break; | ||
579 | } | ||
580 | snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); | ||
581 | } | ||
582 | |||
583 | void snd_usb_set_format_quirk(struct snd_usb_substream *subs, | ||
584 | struct audioformat *fmt) | ||
585 | { | ||
586 | switch (subs->stream->chip->usb_id) { | ||
587 | case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ | ||
588 | case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ | ||
589 | case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ | ||
590 | set_format_emu_quirk(subs, fmt); | ||
591 | break; | ||
592 | } | ||
593 | } | ||
594 | |||