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 */ 43static 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_comp) 47{ 48 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 49 const struct snd_usb_audio_quirk *quirk; 50 int err; 51 52 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 53 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 54 if (!iface) 55 continue; 56 if (quirk->ifnum != probed_ifnum && 57 usb_interface_claimed(iface)) 58 continue; 59 err = snd_usb_create_quirk(chip, iface, driver, quirk); 60 if (err < 0) 61 return err; 62 } 63 64 for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { 65 iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); 66 if (!iface) 67 continue; 68 if (quirk->ifnum != probed_ifnum && 69 !usb_interface_claimed(iface)) 70 usb_driver_claim_interface(driver, iface, (void *)-1L); 71 } 72 73 return 0; 74} 75 76static int ignore_interface_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 return 0; 82} 83 84 85/* 86 * Allow alignment on audio sub-slot (channel samples) rather than 87 * on audio slots (audio frames) 88 */ 89static int create_align_transfer_quirk(struct snd_usb_audio *chip, 90 struct usb_interface *iface, 91 struct usb_driver *driver, 92 const struct snd_usb_audio_quirk *quirk) 93{ 94 chip->txfr_quirk = 1; 95 return 1; /* Continue with creating streams and mixer */ 96} 97 98static int create_any_midi_quirk(struct snd_usb_audio *chip, 99 struct usb_interface *intf, 100 struct usb_driver *driver, 101 const struct snd_usb_audio_quirk *quirk) 102{ 103 return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); 104} 105 106/* 107 * create a stream for an interface with proper descriptors 108 */ 109static int create_standard_audio_quirk(struct snd_usb_audio *chip, 110 struct usb_interface *iface, 111 struct usb_driver *driver, 112 const struct snd_usb_audio_quirk *quirk) 113{ 114 struct usb_host_interface *alts; 115 struct usb_interface_descriptor *altsd; 116 int err; 117 118 alts = &iface->altsetting[0]; 119 altsd = get_iface_desc(alts); 120 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); 121 if (err < 0) { 122 usb_audio_err(chip, "cannot setup if %d: error %d\n", 123 altsd->bInterfaceNumber, err); 124 return err; 125 } 126 /* reset the current interface */ 127 usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); 128 return 0; 129} 130 131/* 132 * create a stream for an endpoint/altsetting without proper descriptors 133 */ 134static int create_fixed_stream_quirk(struct snd_usb_audio *chip, 135 struct usb_interface *iface, 136 struct usb_driver *driver, 137 const struct snd_usb_audio_quirk *quirk) 138{ 139 struct audioformat *fp; 140 struct usb_host_interface *alts; 141 struct usb_interface_descriptor *altsd; 142 int stream, err; 143 unsigned *rate_table = NULL; 144 145 fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); 146 if (!fp) { 147 usb_audio_err(chip, "cannot memdup\n"); 148 return -ENOMEM; 149 } 150 if (fp->nr_rates > MAX_NR_RATES) { 151 kfree(fp); 152 return -EINVAL; 153 } 154 if (fp->nr_rates > 0) { 155 rate_table = kmemdup(fp->rate_table, 156 sizeof(int) * fp->nr_rates, GFP_KERNEL); 157 if (!rate_table) { 158 kfree(fp); 159 return -ENOMEM; 160 } 161 fp->rate_table = rate_table; 162 } 163 164 stream = (fp->endpoint & USB_DIR_IN) 165 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 166 err = snd_usb_add_audio_stream(chip, stream, fp); 167 if (err < 0) { 168 kfree(fp); 169 kfree(rate_table); 170 return err; 171 } 172 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || 173 fp->altset_idx >= iface->num_altsetting) { 174 kfree(fp); 175 kfree(rate_table); 176 return -EINVAL; 177 } 178 alts = &iface->altsetting[fp->altset_idx]; 179 altsd = get_iface_desc(alts); 180 if (altsd->bNumEndpoints < 1) { 181 kfree(fp); 182 kfree(rate_table); 183 return -EINVAL; 184 } 185 186 fp->protocol = altsd->bInterfaceProtocol; 187 188 if (fp->datainterval == 0) 189 fp->datainterval = snd_usb_parse_datainterval(chip, alts); 190 if (fp->maxpacksize == 0) 191 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 192 usb_set_interface(chip->dev, fp->iface, 0); 193 snd_usb_init_pitch(chip, fp->iface, alts, fp); 194 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); 195 return 0; 196} 197 198static int create_auto_pcm_quirk(struct snd_usb_audio *chip, 199 struct usb_interface *iface, 200 struct usb_driver *driver) 201{ 202 struct usb_host_interface *alts; 203 struct usb_interface_descriptor *altsd; 204 struct usb_endpoint_descriptor *epd; 205 struct uac1_as_header_descriptor *ashd; 206 struct uac_format_type_i_discrete_descriptor *fmtd; 207 208 /* 209 * Most Roland/Yamaha audio streaming interfaces have more or less 210 * standard descriptors, but older devices might lack descriptors, and 211 * future ones might change, so ensure that we fail silently if the 212 * interface doesn't look exactly right. 213 */ 214 215 /* must have a non-zero altsetting for streaming */ 216 if (iface->num_altsetting < 2) 217 return -ENODEV; 218 alts = &iface->altsetting[1]; 219 altsd = get_iface_desc(alts); 220 221 /* must have an isochronous endpoint for streaming */ 222 if (altsd->bNumEndpoints < 1) 223 return -ENODEV; 224 epd = get_endpoint(alts, 0); 225 if (!usb_endpoint_xfer_isoc(epd)) 226 return -ENODEV; 227 228 /* must have format descriptors */ 229 ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 230 UAC_AS_GENERAL); 231 fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, 232 UAC_FORMAT_TYPE); 233 if (!ashd || ashd->bLength < 7 || 234 !fmtd || fmtd->bLength < 8) 235 return -ENODEV; 236 237 return create_standard_audio_quirk(chip, iface, driver, NULL); 238} 239 240static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, 241 struct usb_interface *iface, 242 struct usb_driver *driver, 243 struct usb_host_interface *alts) 244{ 245 static const struct snd_usb_audio_quirk yamaha_midi_quirk = { 246 .type = QUIRK_MIDI_YAMAHA 247 }; 248 struct usb_midi_in_jack_descriptor *injd; 249 struct usb_midi_out_jack_descriptor *outjd; 250 251 /* must have some valid jack descriptors */ 252 injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 253 NULL, USB_MS_MIDI_IN_JACK); 254 outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, 255 NULL, USB_MS_MIDI_OUT_JACK); 256 if (!injd && !outjd) 257 return -ENODEV; 258 if (injd && (injd->bLength < 5 || 259 (injd->bJackType != USB_MS_EMBEDDED && 260 injd->bJackType != USB_MS_EXTERNAL))) 261 return -ENODEV; 262 if (outjd && (outjd->bLength < 6 || 263 (outjd->bJackType != USB_MS_EMBEDDED && 264 outjd->bJackType != USB_MS_EXTERNAL))) 265 return -ENODEV; 266 return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); 267} 268 269static int create_roland_midi_quirk(struct snd_usb_audio *chip, 270 struct usb_interface *iface, 271 struct usb_driver *driver, 272 struct usb_host_interface *alts) 273{ 274 static const struct snd_usb_audio_quirk roland_midi_quirk = { 275 .type = QUIRK_MIDI_ROLAND 276 }; 277 u8 *roland_desc = NULL; 278 279 /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ 280 for (;;) { 281 roland_desc = snd_usb_find_csint_desc(alts->extra, 282 alts->extralen, 283 roland_desc, 0xf1); 284 if (!roland_desc) 285 return -ENODEV; 286 if (roland_desc[0] < 6 || roland_desc[3] != 2) 287 continue; 288 return create_any_midi_quirk(chip, iface, driver, 289 &roland_midi_quirk); 290 } 291} 292 293static int create_std_midi_quirk(struct snd_usb_audio *chip, 294 struct usb_interface *iface, 295 struct usb_driver *driver, 296 struct usb_host_interface *alts) 297{ 298 struct usb_ms_header_descriptor *mshd; 299 struct usb_ms_endpoint_descriptor *msepd; 300 301 /* must have the MIDIStreaming interface header descriptor*/ 302 mshd = (struct usb_ms_header_descriptor *)alts->extra; 303 if (alts->extralen < 7 || 304 mshd->bLength < 7 || 305 mshd->bDescriptorType != USB_DT_CS_INTERFACE || 306 mshd->bDescriptorSubtype != USB_MS_HEADER) 307 return -ENODEV; 308 /* must have the MIDIStreaming endpoint descriptor*/ 309 msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; 310 if (alts->endpoint[0].extralen < 4 || 311 msepd->bLength < 4 || 312 msepd->bDescriptorType != USB_DT_CS_ENDPOINT || 313 msepd->bDescriptorSubtype != UAC_MS_GENERAL || 314 msepd->bNumEmbMIDIJack < 1 || 315 msepd->bNumEmbMIDIJack > 16) 316 return -ENODEV; 317 318 return create_any_midi_quirk(chip, iface, driver, NULL); 319} 320 321static int create_auto_midi_quirk(struct snd_usb_audio *chip, 322 struct usb_interface *iface, 323 struct usb_driver *driver) 324{ 325 struct usb_host_interface *alts; 326 struct usb_interface_descriptor *altsd; 327 struct usb_endpoint_descriptor *epd; 328 int err; 329 330 alts = &iface->altsetting[0]; 331 altsd = get_iface_desc(alts); 332 333 /* must have at least one bulk/interrupt endpoint for streaming */ 334 if (altsd->bNumEndpoints < 1) 335 return -ENODEV; 336 epd = get_endpoint(alts, 0); 337 if (!usb_endpoint_xfer_bulk(epd) && 338 !usb_endpoint_xfer_int(epd)) 339 return -ENODEV; 340 341 switch (USB_ID_VENDOR(chip->usb_id)) { 342 case 0x0499: /* Yamaha */ 343 err = create_yamaha_midi_quirk(chip, iface, driver, alts); 344 if (err != -ENODEV) 345 return err; 346 break; 347 case 0x0582: /* Roland */ 348 err = create_roland_midi_quirk(chip, iface, driver, alts); 349 if (err != -ENODEV) 350 return err; 351 break; 352 } 353 354 return create_std_midi_quirk(chip, iface, driver, alts); 355} 356 357static int create_autodetect_quirk(struct snd_usb_audio *chip, 358 struct usb_interface *iface, 359 struct usb_driver *driver) 360{ 361 int err; 362 363 err = create_auto_pcm_quirk(chip, iface, driver); 364 if (err == -ENODEV) 365 err = create_auto_midi_quirk(chip, iface, driver); 366 return err; 367} 368 369static int create_autodetect_quirks(struct snd_usb_audio *chip, 370 struct usb_interface *iface, 371 struct usb_driver *driver, 372 const struct snd_usb_audio_quirk *quirk) 373{ 374 int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; 375 int ifcount, ifnum, err; 376 377 err = create_autodetect_quirk(chip, iface, driver); 378 if (err < 0) 379 return err; 380 381 /* 382 * ALSA PCM playback/capture devices cannot be registered in two steps, 383 * so we have to claim the other corresponding interface here. 384 */ 385 ifcount = chip->dev->actconfig->desc.bNumInterfaces; 386 for (ifnum = 0; ifnum < ifcount; ifnum++) { 387 if (ifnum == probed_ifnum || quirk->ifnum >= 0) 388 continue; 389 iface = usb_ifnum_to_if(chip->dev, ifnum); 390 if (!iface || 391 usb_interface_claimed(iface) || 392 get_iface_desc(iface->altsetting)->bInterfaceClass != 393 USB_CLASS_VENDOR_SPEC) 394 continue; 395 396 err = create_autodetect_quirk(chip, iface, driver); 397 if (err >= 0) 398 usb_driver_claim_interface(driver, iface, (void *)-1L); 399 } 400 401 return 0; 402} 403 404/* 405 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 406 * The only way to detect the sample rate is by looking at wMaxPacketSize. 407 */ 408static int create_uaxx_quirk(struct snd_usb_audio *chip, 409 struct usb_interface *iface, 410 struct usb_driver *driver, 411 const struct snd_usb_audio_quirk *quirk) 412{ 413 static const struct audioformat ua_format = { 414 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 415 .channels = 2, 416 .fmt_type = UAC_FORMAT_TYPE_I, 417 .altsetting = 1, 418 .altset_idx = 1, 419 .rates = SNDRV_PCM_RATE_CONTINUOUS, 420 }; 421 struct usb_host_interface *alts; 422 struct usb_interface_descriptor *altsd; 423 struct audioformat *fp; 424 int stream, err; 425 426 /* both PCM and MIDI interfaces have 2 or more altsettings */ 427 if (iface->num_altsetting < 2) 428 return -ENXIO; 429 alts = &iface->altsetting[1]; 430 altsd = get_iface_desc(alts); 431 432 if (altsd->bNumEndpoints == 2) { 433 static const struct snd_usb_midi_endpoint_info ua700_ep = { 434 .out_cables = 0x0003, 435 .in_cables = 0x0003 436 }; 437 static const struct snd_usb_audio_quirk ua700_quirk = { 438 .type = QUIRK_MIDI_FIXED_ENDPOINT, 439 .data = &ua700_ep 440 }; 441 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 442 .out_cables = 0x0001, 443 .in_cables = 0x0001 444 }; 445 static const struct snd_usb_audio_quirk uaxx_quirk = { 446 .type = QUIRK_MIDI_FIXED_ENDPOINT, 447 .data = &uaxx_ep 448 }; 449 const struct snd_usb_audio_quirk *quirk = 450 chip->usb_id == USB_ID(0x0582, 0x002b) 451 ? &ua700_quirk : &uaxx_quirk; 452 return snd_usbmidi_create(chip->card, iface, 453 &chip->midi_list, quirk); 454 } 455 456 if (altsd->bNumEndpoints != 1) 457 return -ENXIO; 458 459 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 460 if (!fp) 461 return -ENOMEM; 462 463 fp->iface = altsd->bInterfaceNumber; 464 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 465 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 466 fp->datainterval = 0; 467 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 468 469 switch (fp->maxpacksize) { 470 case 0x120: 471 fp->rate_max = fp->rate_min = 44100; 472 break; 473 case 0x138: 474 case 0x140: 475 fp->rate_max = fp->rate_min = 48000; 476 break; 477 case 0x258: 478 case 0x260: 479 fp->rate_max = fp->rate_min = 96000; 480 break; 481 default: 482 usb_audio_err(chip, "unknown sample rate\n"); 483 kfree(fp); 484 return -ENXIO; 485 } 486 487 stream = (fp->endpoint & USB_DIR_IN) 488 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 489 err = snd_usb_add_audio_stream(chip, stream, fp); 490 if (err < 0) { 491 kfree(fp); 492 return err; 493 } 494 usb_set_interface(chip->dev, fp->iface, 0); 495 return 0; 496} 497 498/* 499 * Create a standard mixer for the specified interface. 500 */ 501static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 502 struct usb_interface *iface, 503 struct usb_driver *driver, 504 const struct snd_usb_audio_quirk *quirk) 505{ 506 if (quirk->ifnum < 0) 507 return 0; 508 509 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 510} 511 512/* 513 * audio-interface quirks 514 * 515 * returns zero if no standard audio/MIDI parsing is needed. 516 * returns a positive value if standard audio/midi interfaces are parsed 517 * after this. 518 * returns a negative value at error. 519 */ 520int snd_usb_create_quirk(struct snd_usb_audio *chip, 521 struct usb_interface *iface, 522 struct usb_driver *driver, 523 const struct snd_usb_audio_quirk *quirk) 524{ 525 typedef int (*quirk_func_t)(struct snd_usb_audio *, 526 struct usb_interface *, 527 struct usb_driver *, 528 const struct snd_usb_audio_quirk *); 529 static const quirk_func_t quirk_funcs[] = { 530 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 531 [QUIRK_COMPOSITE] = create_composite_quirk, 532 [QUIRK_AUTODETECT] = create_autodetect_quirks, 533 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 534 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 535 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 536 [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, 537 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 538 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 539 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 540 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 541 [QUIRK_MIDI_CME] = create_any_midi_quirk, 542 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 543 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 544 [QUIRK_MIDI_CH345] = create_any_midi_quirk, 545 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 546 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 547 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 548 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 549 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 550 }; 551 552 if (quirk->type < QUIRK_TYPE_COUNT) { 553 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 554 } else { 555 usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); 556 return -ENXIO; 557 } 558} 559 560/* 561 * boot quirks 562 */ 563 564#define EXTIGY_FIRMWARE_SIZE_OLD 794 565#define EXTIGY_FIRMWARE_SIZE_NEW 483 566 567static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 568{ 569 struct usb_host_config *config = dev->actconfig; 570 int err; 571 572 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 573 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 574 dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); 575 /* Send message to force it to reconnect with full interface. */ 576 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 577 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 578 if (err < 0) 579 dev_dbg(&dev->dev, "error sending boot message: %d\n", err); 580 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 581 &dev->descriptor, sizeof(dev->descriptor)); 582 config = dev->actconfig; 583 if (err < 0) 584 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 585 err = usb_reset_configuration(dev); 586 if (err < 0) 587 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 588 dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", 589 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 590 return -ENODEV; /* quit this anyway */ 591 } 592 return 0; 593} 594 595static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 596{ 597 u8 buf = 1; 598 599 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 600 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 601 0, 0, &buf, 1); 602 if (buf == 0) { 603 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 604 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 605 1, 2000, NULL, 0); 606 return -ENODEV; 607 } 608 return 0; 609} 610 611static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 612{ 613 int err; 614 615 if (dev->actconfig->desc.bConfigurationValue == 1) { 616 dev_info(&dev->dev, 617 "Fast Track Pro switching to config #2\n"); 618 /* This function has to be available by the usb core module. 619 * if it is not avialable the boot quirk has to be left out 620 * and the configuration has to be set by udev or hotplug 621 * rules 622 */ 623 err = usb_driver_set_configuration(dev, 2); 624 if (err < 0) 625 dev_dbg(&dev->dev, 626 "error usb_driver_set_configuration: %d\n", 627 err); 628 /* Always return an error, so that we stop creating a device 629 that will just be destroyed and recreated with a new 630 configuration */ 631 return -ENODEV; 632 } else 633 dev_info(&dev->dev, "Fast Track Pro config OK\n"); 634 635 return 0; 636} 637 638/* 639 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 640 * documented in the device's data sheet. 641 */ 642static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 643{ 644 u8 buf[4]; 645 buf[0] = 0x20; 646 buf[1] = value & 0xff; 647 buf[2] = (value >> 8) & 0xff; 648 buf[3] = reg; 649 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 650 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 651 0, 0, &buf, 4); 652} 653 654static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 655{ 656 /* 657 * Enable line-out driver mode, set headphone source to front 658 * channels, enable stereo mic. 659 */ 660 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 661} 662 663/* 664 * C-Media CM6206 is based on CM106 with two additional 665 * registers that are not documented in the data sheet. 666 * Values here are chosen based on sniffing USB traffic 667 * under Windows. 668 */ 669static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 670{ 671 int err = 0, reg; 672 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; 673 674 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 675 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 676 if (err < 0) 677 return err; 678 } 679 680 return err; 681} 682 683/* quirk for Plantronics GameCom 780 with CM6302 chip */ 684static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) 685{ 686 /* set the initial volume and don't change; other values are either 687 * too loud or silent due to firmware bug (bko#65251) 688 */ 689 u8 buf[2] = { 0x74, 0xe3 }; 690 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, 691 USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, 692 UAC_FU_VOLUME << 8, 9 << 8, buf, 2); 693} 694 695/* 696 * Novation Twitch DJ controller 697 * Focusrite Novation Saffire 6 USB audio card 698 */ 699static int snd_usb_novation_boot_quirk(struct usb_device *dev) 700{ 701 /* preemptively set up the device because otherwise the 702 * raw MIDI endpoints are not active */ 703 usb_set_interface(dev, 0, 1); 704 return 0; 705} 706 707/* 708 * This call will put the synth in "USB send" mode, i.e it will send MIDI 709 * messages through USB (this is disabled at startup). The synth will 710 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 711 * sign on its LCD. Values here are chosen based on sniffing USB traffic 712 * under Windows. 713 */ 714static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 715{ 716 int err, actual_length; 717 718 /* "midi send" enable */ 719 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 720 721 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 722 if (!buf) 723 return -ENOMEM; 724 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 725 ARRAY_SIZE(seq), &actual_length, 1000); 726 kfree(buf); 727 if (err < 0) 728 return err; 729 730 return 0; 731} 732 733/* 734 * Some sound cards from Native Instruments are in fact compliant to the USB 735 * audio standard of version 2 and other approved USB standards, even though 736 * they come up as vendor-specific device when first connected. 737 * 738 * However, they can be told to come up with a new set of descriptors 739 * upon their next enumeration, and the interfaces announced by the new 740 * descriptors will then be handled by the kernel's class drivers. As the 741 * product ID will also change, no further checks are required. 742 */ 743 744static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 745{ 746 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 747 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 748 1, 0, NULL, 0, 1000); 749 750 if (ret < 0) 751 return ret; 752 753 usb_reset_device(dev); 754 755 /* return -EAGAIN, so the creation of an audio interface for this 756 * temporary device is aborted. The device will reconnect with a 757 * new product ID */ 758 return -EAGAIN; 759} 760 761static void mbox2_setup_48_24_magic(struct usb_device *dev) 762{ 763 u8 srate[3]; 764 u8 temp[12]; 765 766 /* Choose 48000Hz permanently */ 767 srate[0] = 0x80; 768 srate[1] = 0xbb; 769 srate[2] = 0x00; 770 771 /* Send the magic! */ 772 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 773 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); 774 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 775 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); 776 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 777 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); 778 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 779 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); 780 return; 781} 782 783/* Digidesign Mbox 2 needs to load firmware onboard 784 * and driver must wait a few seconds for initialisation. 785 */ 786 787#define MBOX2_FIRMWARE_SIZE 646 788#define MBOX2_BOOT_LOADING 0x01 /* Hard coded into the device */ 789#define MBOX2_BOOT_READY 0x02 /* Hard coded into the device */ 790 791static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) 792{ 793 struct usb_host_config *config = dev->actconfig; 794 int err; 795 u8 bootresponse[0x12]; 796 int fwsize; 797 int count; 798 799 fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); 800 801 if (fwsize != MBOX2_FIRMWARE_SIZE) { 802 dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); 803 return -ENODEV; 804 } 805 806 dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); 807 808 count = 0; 809 bootresponse[0] = MBOX2_BOOT_LOADING; 810 while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { 811 msleep(500); /* 0.5 second delay */ 812 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 813 /* Control magic - load onboard firmware */ 814 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); 815 if (bootresponse[0] == MBOX2_BOOT_READY) 816 break; 817 dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); 818 count++; 819 } 820 821 if (bootresponse[0] != MBOX2_BOOT_READY) { 822 dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); 823 return -ENODEV; 824 } 825 826 dev_dbg(&dev->dev, "device initialised!\n"); 827 828 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 829 &dev->descriptor, sizeof(dev->descriptor)); 830 config = dev->actconfig; 831 if (err < 0) 832 dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); 833 834 err = usb_reset_configuration(dev); 835 if (err < 0) 836 dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); 837 dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", 838 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 839 840 mbox2_setup_48_24_magic(dev); 841 842 dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); 843 844 return 0; /* Successful boot */ 845} 846 847/* 848 * Setup quirks 849 */ 850#define MAUDIO_SET 0x01 /* parse device_setup */ 851#define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 852#define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 853#define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 854#define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 855#define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 856#define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 857#define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 858#define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 859#define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 860#define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 861 862static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 863 int iface, int altno) 864{ 865 /* Reset ALL ifaces to 0 altsetting. 866 * Call it for every possible altsetting of every interface. 867 */ 868 usb_set_interface(chip->dev, iface, 0); 869 if (chip->setup & MAUDIO_SET) { 870 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 871 if (iface != 1 && iface != 2) 872 return 1; /* skip all interfaces but 1 and 2 */ 873 } else { 874 unsigned int mask; 875 if (iface == 1 || iface == 2) 876 return 1; /* skip interfaces 1 and 2 */ 877 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 878 return 1; /* skip this altsetting */ 879 mask = chip->setup & MAUDIO_SET_MASK; 880 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 881 return 1; /* skip this altsetting */ 882 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 883 return 1; /* skip this altsetting */ 884 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 885 return 1; /* skip this altsetting */ 886 } 887 } 888 usb_audio_dbg(chip, 889 "using altsetting %d for interface %d config %d\n", 890 altno, iface, chip->setup); 891 return 0; /* keep this altsetting */ 892} 893 894static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 895 int iface, 896 int altno) 897{ 898 /* Reset ALL ifaces to 0 altsetting. 899 * Call it for every possible altsetting of every interface. 900 */ 901 usb_set_interface(chip->dev, iface, 0); 902 903 if (chip->setup & MAUDIO_SET) { 904 unsigned int mask; 905 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 906 return 1; /* skip this altsetting */ 907 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 908 return 1; /* skip this altsetting */ 909 mask = chip->setup & MAUDIO_SET_MASK; 910 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 911 return 1; /* skip this altsetting */ 912 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 913 return 1; /* skip this altsetting */ 914 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 915 return 1; /* skip this altsetting */ 916 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 917 return 1; /* skip this altsetting */ 918 } 919 920 return 0; /* keep this altsetting */ 921} 922 923static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 924 int iface, int altno) 925{ 926 /* Reset ALL ifaces to 0 altsetting. 927 * Call it for every possible altsetting of every interface. 928 */ 929 usb_set_interface(chip->dev, iface, 0); 930 931 /* possible configuration where both inputs and only one output is 932 *used is not supported by the current setup 933 */ 934 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 935 if (chip->setup & MAUDIO_SET_96K) { 936 if (altno != 3 && altno != 6) 937 return 1; 938 } else if (chip->setup & MAUDIO_SET_DI) { 939 if (iface == 4) 940 return 1; /* no analog input */ 941 if (altno != 2 && altno != 5) 942 return 1; /* enable only altsets 2 and 5 */ 943 } else { 944 if (iface == 5) 945 return 1; /* disable digialt input */ 946 if (altno != 2 && altno != 5) 947 return 1; /* enalbe only altsets 2 and 5 */ 948 } 949 } else { 950 /* keep only 16-Bit mode */ 951 if (altno != 1) 952 return 1; 953 } 954 955 usb_audio_dbg(chip, 956 "using altsetting %d for interface %d config %d\n", 957 altno, iface, chip->setup); 958 return 0; /* keep this altsetting */ 959} 960 961int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 962 int iface, 963 int altno) 964{ 965 /* audiophile usb: skip altsets incompatible with device_setup */ 966 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 967 return audiophile_skip_setting_quirk(chip, iface, altno); 968 /* quattro usb: skip altsets incompatible with device_setup */ 969 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 970 return quattro_skip_setting_quirk(chip, iface, altno); 971 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 972 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 973 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 974 975 return 0; 976} 977 978int snd_usb_apply_boot_quirk(struct usb_device *dev, 979 struct usb_interface *intf, 980 const struct snd_usb_audio_quirk *quirk) 981{ 982 u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), 983 le16_to_cpu(dev->descriptor.idProduct)); 984 985 switch (id) { 986 case USB_ID(0x041e, 0x3000): 987 /* SB Extigy needs special boot-up sequence */ 988 /* if more models come, this will go to the quirk list. */ 989 return snd_usb_extigy_boot_quirk(dev, intf); 990 991 case USB_ID(0x041e, 0x3020): 992 /* SB Audigy 2 NX needs its own boot-up magic, too */ 993 return snd_usb_audigy2nx_boot_quirk(dev); 994 995 case USB_ID(0x10f5, 0x0200): 996 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 997 return snd_usb_cm106_boot_quirk(dev); 998 999 case USB_ID(0x0d8c, 0x0102): 1000 /* C-Media CM6206 / CM106-Like Sound Device */ 1001 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 1002 return snd_usb_cm6206_boot_quirk(dev); 1003 1004 case USB_ID(0x0dba, 0x3000): 1005 /* Digidesign Mbox 2 */ 1006 return snd_usb_mbox2_boot_quirk(dev); 1007 1008 case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ 1009 case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ 1010 return snd_usb_novation_boot_quirk(dev); 1011 1012 case USB_ID(0x133e, 0x0815): 1013 /* Access Music VirusTI Desktop */ 1014 return snd_usb_accessmusic_boot_quirk(dev); 1015 1016 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 1017 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 1018 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 1019 return snd_usb_nativeinstruments_boot_quirk(dev); 1020 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 1021 return snd_usb_fasttrackpro_boot_quirk(dev); 1022 case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ 1023 return snd_usb_gamecon780_boot_quirk(dev); 1024 } 1025 1026 return 0; 1027} 1028 1029/* 1030 * check if the device uses big-endian samples 1031 */ 1032int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 1033{ 1034 /* it depends on altsetting whether the device is big-endian or not */ 1035 switch (chip->usb_id) { 1036 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 1037 if (fp->altsetting == 2 || fp->altsetting == 3 || 1038 fp->altsetting == 5 || fp->altsetting == 6) 1039 return 1; 1040 break; 1041 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 1042 if (chip->setup == 0x00 || 1043 fp->altsetting == 1 || fp->altsetting == 2 || 1044 fp->altsetting == 3) 1045 return 1; 1046 break; 1047 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 1048 if (fp->altsetting == 2 || fp->altsetting == 3 || 1049 fp->altsetting == 5 || fp->altsetting == 6) 1050 return 1; 1051 break; 1052 } 1053 return 0; 1054} 1055 1056/* 1057 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 1058 * not for interface. 1059 */ 1060 1061enum { 1062 EMU_QUIRK_SR_44100HZ = 0, 1063 EMU_QUIRK_SR_48000HZ, 1064 EMU_QUIRK_SR_88200HZ, 1065 EMU_QUIRK_SR_96000HZ, 1066 EMU_QUIRK_SR_176400HZ, 1067 EMU_QUIRK_SR_192000HZ 1068}; 1069 1070static void set_format_emu_quirk(struct snd_usb_substream *subs, 1071 struct audioformat *fmt) 1072{ 1073 unsigned char emu_samplerate_id = 0; 1074 1075 /* When capture is active 1076 * sample rate shouldn't be changed 1077 * by playback substream 1078 */ 1079 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 1080 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 1081 return; 1082 } 1083 1084 switch (fmt->rate_min) { 1085 case 48000: 1086 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 1087 break; 1088 case 88200: 1089 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 1090 break; 1091 case 96000: 1092 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 1093 break; 1094 case 176400: 1095 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 1096 break; 1097 case 192000: 1098 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 1099 break; 1100 default: 1101 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 1102 break; 1103 } 1104 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 1105 subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; 1106} 1107 1108void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 1109 struct audioformat *fmt) 1110{ 1111 switch (subs->stream->chip->usb_id) { 1112 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 1113 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 1114 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 1115 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 1116 set_format_emu_quirk(subs, fmt); 1117 break; 1118 } 1119} 1120 1121bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip) 1122{ 1123 /* devices which do not support reading the sample rate. */ 1124 switch (chip->usb_id) { 1125 case USB_ID(0x045E, 0x075D): /* MS Lifecam Cinema */ 1126 case USB_ID(0x045E, 0x076D): /* MS Lifecam HD-5000 */ 1127 case USB_ID(0x045E, 0x076E): /* MS Lifecam HD-5001 */ 1128 case USB_ID(0x045E, 0x076F): /* MS Lifecam HD-6000 */ 1129 case USB_ID(0x045E, 0x0772): /* MS Lifecam Studio */ 1130 case USB_ID(0x045E, 0x0779): /* MS Lifecam HD-3000 */ 1131 case USB_ID(0x047F, 0x0415): /* Plantronics BT-300 */ 1132 case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */ 1133 case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */ 1134 case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */ 1135 case USB_ID(0x074D, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */ 1136 case USB_ID(0x1de7, 0x0013): /* Phoenix Audio MT202exe */ 1137 case USB_ID(0x1de7, 0x0014): /* Phoenix Audio TMX320 */ 1138 case USB_ID(0x1de7, 0x0114): /* Phoenix Audio MT202pcs */ 1139 case USB_ID(0x21B4, 0x0081): /* AudioQuest DragonFly */ 1140 return true; 1141 } 1142 return false; 1143} 1144 1145/* Marantz/Denon USB DACs need a vendor cmd to switch 1146 * between PCM and native DSD mode 1147 */ 1148static bool is_marantz_denon_dac(unsigned int id) 1149{ 1150 switch (id) { 1151 case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */ 1152 case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */ 1153 case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */ 1154 return true; 1155 } 1156 return false; 1157} 1158 1159int snd_usb_select_mode_quirk(struct snd_usb_substream *subs, 1160 struct audioformat *fmt) 1161{ 1162 struct usb_device *dev = subs->dev; 1163 int err; 1164 1165 if (is_marantz_denon_dac(subs->stream->chip->usb_id)) { 1166 /* First switch to alt set 0, otherwise the mode switch cmd 1167 * will not be accepted by the DAC 1168 */ 1169 err = usb_set_interface(dev, fmt->iface, 0); 1170 if (err < 0) 1171 return err; 1172 1173 mdelay(20); /* Delay needed after setting the interface */ 1174 1175 switch (fmt->altsetting) { 1176 case 2: /* DSD mode requested */ 1177 case 1: /* PCM mode requested */ 1178 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, 1179 USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, 1180 fmt->altsetting - 1, 1, NULL, 0); 1181 if (err < 0) 1182 return err; 1183 break; 1184 } 1185 mdelay(20); 1186 } 1187 return 0; 1188} 1189 1190void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) 1191{ 1192 /* 1193 * "Playback Design" products send bogus feedback data at the start 1194 * of the stream. Ignore them. 1195 */ 1196 if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) && 1197 ep->type == SND_USB_ENDPOINT_TYPE_SYNC) 1198 ep->skip_packets = 4; 1199 1200 /* 1201 * M-Audio Fast Track C400/C600 - when packets are not skipped, real 1202 * world latency varies by approx. +/- 50 frames (at 96KHz) each time 1203 * the stream is (re)started. When skipping packets 16 at endpoint 1204 * start up, the real world latency is stable within +/- 1 frame (also 1205 * across power cycles). 1206 */ 1207 if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || 1208 ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && 1209 ep->type == SND_USB_ENDPOINT_TYPE_DATA) 1210 ep->skip_packets = 16; 1211} 1212 1213void snd_usb_set_interface_quirk(struct usb_device *dev) 1214{ 1215 /* 1216 * "Playback Design" products need a 50ms delay after setting the 1217 * USB interface. 1218 */ 1219 switch (le16_to_cpu(dev->descriptor.idVendor)) { 1220 case 0x23ba: /* Playback Design */ 1221 case 0x0644: /* TEAC Corp. */ 1222 mdelay(50); 1223 break; 1224 } 1225} 1226 1227void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, 1228 __u8 request, __u8 requesttype, __u16 value, 1229 __u16 index, void *data, __u16 size) 1230{ 1231 /* 1232 * "Playback Design" products need a 20ms delay after each 1233 * class compliant request 1234 */ 1235 if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) && 1236 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1237 mdelay(20); 1238 1239 /* 1240 * "TEAC Corp." products need a 20ms delay after each 1241 * class compliant request 1242 */ 1243 if ((le16_to_cpu(dev->descriptor.idVendor) == 0x0644) && 1244 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1245 mdelay(20); 1246 1247 /* Marantz/Denon devices with USB DAC functionality need a delay 1248 * after each class compliant request 1249 */ 1250 if (is_marantz_denon_dac(USB_ID(le16_to_cpu(dev->descriptor.idVendor), 1251 le16_to_cpu(dev->descriptor.idProduct))) 1252 && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1253 mdelay(20); 1254 1255 /* Zoom R16/24 needs a tiny delay here, otherwise requests like 1256 * get/set frequency return as failed despite actually succeeding. 1257 */ 1258 if ((le16_to_cpu(dev->descriptor.idVendor) == 0x1686) && 1259 (le16_to_cpu(dev->descriptor.idProduct) == 0x00dd) && 1260 (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) 1261 mdelay(1); 1262} 1263 1264/* 1265 * snd_usb_interface_dsd_format_quirks() is called from format.c to 1266 * augment the PCM format bit-field for DSD types. The UAC standards 1267 * don't have a designated bit field to denote DSD-capable interfaces, 1268 * hence all hardware that is known to support this format has to be 1269 * listed here. 1270 */ 1271u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, 1272 struct audioformat *fp, 1273 unsigned int sample_bytes) 1274{ 1275 /* Playback Designs */ 1276 if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x23ba) { 1277 switch (fp->altsetting) { 1278 case 1: 1279 fp->dsd_dop = true; 1280 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1281 case 2: 1282 fp->dsd_bitrev = true; 1283 return SNDRV_PCM_FMTBIT_DSD_U8; 1284 case 3: 1285 fp->dsd_bitrev = true; 1286 return SNDRV_PCM_FMTBIT_DSD_U16_LE; 1287 } 1288 } 1289 1290 /* XMOS based USB DACs */ 1291 switch (chip->usb_id) { 1292 case USB_ID(0x20b1, 0x3008): /* iFi Audio micro/nano iDSD */ 1293 case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */ 1294 case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */ 1295 case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */ 1296 if (fp->altsetting == 2) 1297 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1298 break; 1299 1300 case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */ 1301 case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */ 1302 case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */ 1303 case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */ 1304 case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ 1305 if (fp->altsetting == 3) 1306 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1307 break; 1308 default: 1309 break; 1310 } 1311 1312 /* Denon/Marantz devices with USB DAC functionality */ 1313 if (is_marantz_denon_dac(chip->usb_id)) { 1314 if (fp->altsetting == 2) 1315 return SNDRV_PCM_FMTBIT_DSD_U32_BE; 1316 } 1317 1318 return 0; 1319} 1320