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/control.h> 23 #include <sound/core.h> 24 #include <sound/info.h> 25 #include <sound/pcm.h> 26 27 #include "usbaudio.h" 28 #include "card.h" 29 #include "mixer.h" 30 #include "mixer_quirks.h" 31 #include "midi.h" 32 #include "quirks.h" 33 #include "helper.h" 34 #include "endpoint.h" 35 #include "pcm.h" 36 #include "clock.h" 37 #include "stream.h" 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); 110 err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); 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); 135 if (!fp) { 136 snd_printk(KERN_ERR "cannot memdup\n"); 137 return -ENOMEM; 138 } 139 if (fp->nr_rates > MAX_NR_RATES) { 140 kfree(fp); 141 return -EINVAL; 142 } 143 if (fp->nr_rates > 0) { 144 rate_table = kmemdup(fp->rate_table, 145 sizeof(int) * fp->nr_rates, GFP_KERNEL); 146 if (!rate_table) { 147 kfree(fp); 148 return -ENOMEM; 149 } 150 fp->rate_table = rate_table; 151 } 152 153 stream = (fp->endpoint & USB_DIR_IN) 154 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 155 err = snd_usb_add_audio_stream(chip, stream, fp); 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]; 168 fp->datainterval = snd_usb_parse_datainterval(chip, alts); 169 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 170 usb_set_interface(chip->dev, fp->iface, 0); 171 snd_usb_init_pitch(chip, fp->iface, alts, fp); 172 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); 173 return 0; 174 } 175 176 /* 177 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 178 * The only way to detect the sample rate is by looking at wMaxPacketSize. 179 */ 180 static int create_uaxx_quirk(struct snd_usb_audio *chip, 181 struct usb_interface *iface, 182 struct usb_driver *driver, 183 const struct snd_usb_audio_quirk *quirk) 184 { 185 static const struct audioformat ua_format = { 186 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 187 .channels = 2, 188 .fmt_type = UAC_FORMAT_TYPE_I, 189 .altsetting = 1, 190 .altset_idx = 1, 191 .rates = SNDRV_PCM_RATE_CONTINUOUS, 192 }; 193 struct usb_host_interface *alts; 194 struct usb_interface_descriptor *altsd; 195 struct audioformat *fp; 196 int stream, err; 197 198 /* both PCM and MIDI interfaces have 2 or more altsettings */ 199 if (iface->num_altsetting < 2) 200 return -ENXIO; 201 alts = &iface->altsetting[1]; 202 altsd = get_iface_desc(alts); 203 204 if (altsd->bNumEndpoints == 2) { 205 static const struct snd_usb_midi_endpoint_info ua700_ep = { 206 .out_cables = 0x0003, 207 .in_cables = 0x0003 208 }; 209 static const struct snd_usb_audio_quirk ua700_quirk = { 210 .type = QUIRK_MIDI_FIXED_ENDPOINT, 211 .data = &ua700_ep 212 }; 213 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 214 .out_cables = 0x0001, 215 .in_cables = 0x0001 216 }; 217 static const struct snd_usb_audio_quirk uaxx_quirk = { 218 .type = QUIRK_MIDI_FIXED_ENDPOINT, 219 .data = &uaxx_ep 220 }; 221 const struct snd_usb_audio_quirk *quirk = 222 chip->usb_id == USB_ID(0x0582, 0x002b) 223 ? &ua700_quirk : &uaxx_quirk; 224 return snd_usbmidi_create(chip->card, iface, 225 &chip->midi_list, quirk); 226 } 227 228 if (altsd->bNumEndpoints != 1) 229 return -ENXIO; 230 231 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 232 if (!fp) 233 return -ENOMEM; 234 235 fp->iface = altsd->bInterfaceNumber; 236 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 237 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 238 fp->datainterval = 0; 239 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 240 241 switch (fp->maxpacksize) { 242 case 0x120: 243 fp->rate_max = fp->rate_min = 44100; 244 break; 245 case 0x138: 246 case 0x140: 247 fp->rate_max = fp->rate_min = 48000; 248 break; 249 case 0x258: 250 case 0x260: 251 fp->rate_max = fp->rate_min = 96000; 252 break; 253 default: 254 snd_printk(KERN_ERR "unknown sample rate\n"); 255 kfree(fp); 256 return -ENXIO; 257 } 258 259 stream = (fp->endpoint & USB_DIR_IN) 260 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 261 err = snd_usb_add_audio_stream(chip, stream, fp); 262 if (err < 0) { 263 kfree(fp); 264 return err; 265 } 266 usb_set_interface(chip->dev, fp->iface, 0); 267 return 0; 268 } 269 270 /* 271 * Create a standard mixer for the specified interface. 272 */ 273 static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 274 struct usb_interface *iface, 275 struct usb_driver *driver, 276 const struct snd_usb_audio_quirk *quirk) 277 { 278 if (quirk->ifnum < 0) 279 return 0; 280 281 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 282 } 283 284 /* 285 * audio-interface quirks 286 * 287 * returns zero if no standard audio/MIDI parsing is needed. 288 * returns a positive value if standard audio/midi interfaces are parsed 289 * after this. 290 * returns a negative value at error. 291 */ 292 int snd_usb_create_quirk(struct snd_usb_audio *chip, 293 struct usb_interface *iface, 294 struct usb_driver *driver, 295 const struct snd_usb_audio_quirk *quirk) 296 { 297 typedef int (*quirk_func_t)(struct snd_usb_audio *, 298 struct usb_interface *, 299 struct usb_driver *, 300 const struct snd_usb_audio_quirk *); 301 static const quirk_func_t quirk_funcs[] = { 302 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 303 [QUIRK_COMPOSITE] = create_composite_quirk, 304 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 305 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 306 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 307 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 308 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 309 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 310 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 311 [QUIRK_MIDI_CME] = create_any_midi_quirk, 312 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 313 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 314 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 315 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 316 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 317 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 318 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 319 }; 320 321 if (quirk->type < QUIRK_TYPE_COUNT) { 322 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 323 } else { 324 snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); 325 return -ENXIO; 326 } 327 } 328 329 /* 330 * boot quirks 331 */ 332 333 #define EXTIGY_FIRMWARE_SIZE_OLD 794 334 #define EXTIGY_FIRMWARE_SIZE_NEW 483 335 336 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 337 { 338 struct usb_host_config *config = dev->actconfig; 339 int err; 340 341 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 342 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 343 snd_printdd("sending Extigy boot sequence...\n"); 344 /* Send message to force it to reconnect with full interface. */ 345 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 346 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 347 if (err < 0) snd_printdd("error sending boot message: %d\n", err); 348 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 349 &dev->descriptor, sizeof(dev->descriptor)); 350 config = dev->actconfig; 351 if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err); 352 err = usb_reset_configuration(dev); 353 if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err); 354 snd_printdd("extigy_boot: new boot length = %d\n", 355 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 356 return -ENODEV; /* quit this anyway */ 357 } 358 return 0; 359 } 360 361 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 362 { 363 u8 buf = 1; 364 365 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 366 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 367 0, 0, &buf, 1); 368 if (buf == 0) { 369 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 370 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 371 1, 2000, NULL, 0); 372 return -ENODEV; 373 } 374 return 0; 375 } 376 377 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 378 { 379 int err; 380 381 if (dev->actconfig->desc.bConfigurationValue == 1) { 382 snd_printk(KERN_INFO "usb-audio: " 383 "Fast Track Pro switching to config #2\n"); 384 /* This function has to be available by the usb core module. 385 * if it is not avialable the boot quirk has to be left out 386 * and the configuration has to be set by udev or hotplug 387 * rules 388 */ 389 err = usb_driver_set_configuration(dev, 2); 390 if (err < 0) { 391 snd_printdd("error usb_driver_set_configuration: %d\n", 392 err); 393 return -ENODEV; 394 } 395 } else 396 snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n"); 397 398 return 0; 399 } 400 401 /* 402 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 403 * documented in the device's data sheet. 404 */ 405 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 406 { 407 u8 buf[4]; 408 buf[0] = 0x20; 409 buf[1] = value & 0xff; 410 buf[2] = (value >> 8) & 0xff; 411 buf[3] = reg; 412 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 413 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 414 0, 0, &buf, 4); 415 } 416 417 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 418 { 419 /* 420 * Enable line-out driver mode, set headphone source to front 421 * channels, enable stereo mic. 422 */ 423 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 424 } 425 426 /* 427 * C-Media CM6206 is based on CM106 with two additional 428 * registers that are not documented in the data sheet. 429 * Values here are chosen based on sniffing USB traffic 430 * under Windows. 431 */ 432 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 433 { 434 int err = 0, reg; 435 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; 436 437 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 438 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 439 if (err < 0) 440 return err; 441 } 442 443 return err; 444 } 445 446 /* 447 * This call will put the synth in "USB send" mode, i.e it will send MIDI 448 * messages through USB (this is disabled at startup). The synth will 449 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 450 * sign on its LCD. Values here are chosen based on sniffing USB traffic 451 * under Windows. 452 */ 453 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 454 { 455 int err, actual_length; 456 457 /* "midi send" enable */ 458 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 459 460 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 461 if (!buf) 462 return -ENOMEM; 463 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 464 ARRAY_SIZE(seq), &actual_length, 1000); 465 kfree(buf); 466 if (err < 0) 467 return err; 468 469 return 0; 470 } 471 472 /* 473 * Some sound cards from Native Instruments are in fact compliant to the USB 474 * audio standard of version 2 and other approved USB standards, even though 475 * they come up as vendor-specific device when first connected. 476 * 477 * However, they can be told to come up with a new set of descriptors 478 * upon their next enumeration, and the interfaces announced by the new 479 * descriptors will then be handled by the kernel's class drivers. As the 480 * product ID will also change, no further checks are required. 481 */ 482 483 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 484 { 485 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 486 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 487 cpu_to_le16(1), 0, NULL, 0, 1000); 488 489 if (ret < 0) 490 return ret; 491 492 usb_reset_device(dev); 493 494 /* return -EAGAIN, so the creation of an audio interface for this 495 * temporary device is aborted. The device will reconnect with a 496 * new product ID */ 497 return -EAGAIN; 498 } 499 500 /* 501 * Setup quirks 502 */ 503 #define MAUDIO_SET 0x01 /* parse device_setup */ 504 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 505 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 506 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 507 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 508 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 509 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 510 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 511 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 512 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 513 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 514 515 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 516 int iface, int altno) 517 { 518 /* Reset ALL ifaces to 0 altsetting. 519 * Call it for every possible altsetting of every interface. 520 */ 521 usb_set_interface(chip->dev, iface, 0); 522 if (chip->setup & MAUDIO_SET) { 523 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 524 if (iface != 1 && iface != 2) 525 return 1; /* skip all interfaces but 1 and 2 */ 526 } else { 527 unsigned int mask; 528 if (iface == 1 || iface == 2) 529 return 1; /* skip interfaces 1 and 2 */ 530 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 531 return 1; /* skip this altsetting */ 532 mask = chip->setup & MAUDIO_SET_MASK; 533 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 534 return 1; /* skip this altsetting */ 535 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 536 return 1; /* skip this altsetting */ 537 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 538 return 1; /* skip this altsetting */ 539 } 540 } 541 snd_printdd(KERN_INFO 542 "using altsetting %d for interface %d config %d\n", 543 altno, iface, chip->setup); 544 return 0; /* keep this altsetting */ 545 } 546 547 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 548 int iface, 549 int altno) 550 { 551 /* Reset ALL ifaces to 0 altsetting. 552 * Call it for every possible altsetting of every interface. 553 */ 554 usb_set_interface(chip->dev, iface, 0); 555 556 if (chip->setup & MAUDIO_SET) { 557 unsigned int mask; 558 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 559 return 1; /* skip this altsetting */ 560 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 561 return 1; /* skip this altsetting */ 562 mask = chip->setup & MAUDIO_SET_MASK; 563 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 564 return 1; /* skip this altsetting */ 565 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 566 return 1; /* skip this altsetting */ 567 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 568 return 1; /* skip this altsetting */ 569 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 570 return 1; /* skip this altsetting */ 571 } 572 573 return 0; /* keep this altsetting */ 574 } 575 576 577 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 578 int iface, int altno) 579 { 580 /* Reset ALL ifaces to 0 altsetting. 581 * Call it for every possible altsetting of every interface. 582 */ 583 usb_set_interface(chip->dev, iface, 0); 584 585 /* possible configuration where both inputs and only one output is 586 *used is not supported by the current setup 587 */ 588 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 589 if (chip->setup & MAUDIO_SET_96K) { 590 if (altno != 3 && altno != 6) 591 return 1; 592 } else if (chip->setup & MAUDIO_SET_DI) { 593 if (iface == 4) 594 return 1; /* no analog input */ 595 if (altno != 2 && altno != 5) 596 return 1; /* enable only altsets 2 and 5 */ 597 } else { 598 if (iface == 5) 599 return 1; /* disable digialt input */ 600 if (altno != 2 && altno != 5) 601 return 1; /* enalbe only altsets 2 and 5 */ 602 } 603 } else { 604 /* keep only 16-Bit mode */ 605 if (altno != 1) 606 return 1; 607 } 608 609 snd_printdd(KERN_INFO 610 "using altsetting %d for interface %d config %d\n", 611 altno, iface, chip->setup); 612 return 0; /* keep this altsetting */ 613 } 614 615 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 616 int iface, 617 int altno) 618 { 619 /* audiophile usb: skip altsets incompatible with device_setup */ 620 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 621 return audiophile_skip_setting_quirk(chip, iface, altno); 622 /* quattro usb: skip altsets incompatible with device_setup */ 623 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 624 return quattro_skip_setting_quirk(chip, iface, altno); 625 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 626 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 627 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 628 629 return 0; 630 } 631 632 int snd_usb_apply_boot_quirk(struct usb_device *dev, 633 struct usb_interface *intf, 634 const struct snd_usb_audio_quirk *quirk) 635 { 636 u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), 637 le16_to_cpu(dev->descriptor.idProduct)); 638 639 switch (id) { 640 case USB_ID(0x041e, 0x3000): 641 /* SB Extigy needs special boot-up sequence */ 642 /* if more models come, this will go to the quirk list. */ 643 return snd_usb_extigy_boot_quirk(dev, intf); 644 645 case USB_ID(0x041e, 0x3020): 646 /* SB Audigy 2 NX needs its own boot-up magic, too */ 647 return snd_usb_audigy2nx_boot_quirk(dev); 648 649 case USB_ID(0x10f5, 0x0200): 650 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 651 return snd_usb_cm106_boot_quirk(dev); 652 653 case USB_ID(0x0d8c, 0x0102): 654 /* C-Media CM6206 / CM106-Like Sound Device */ 655 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 656 return snd_usb_cm6206_boot_quirk(dev); 657 658 case USB_ID(0x133e, 0x0815): 659 /* Access Music VirusTI Desktop */ 660 return snd_usb_accessmusic_boot_quirk(dev); 661 662 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 663 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 664 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 665 return snd_usb_nativeinstruments_boot_quirk(dev); 666 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 667 return snd_usb_fasttrackpro_boot_quirk(dev); 668 } 669 670 return 0; 671 } 672 673 /* 674 * check if the device uses big-endian samples 675 */ 676 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 677 { 678 /* it depends on altsetting wether the device is big-endian or not */ 679 switch (chip->usb_id) { 680 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 681 if (fp->altsetting == 2 || fp->altsetting == 3 || 682 fp->altsetting == 5 || fp->altsetting == 6) 683 return 1; 684 break; 685 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 686 if (chip->setup == 0x00 || 687 fp->altsetting == 1 || fp->altsetting == 2 || 688 fp->altsetting == 3) 689 return 1; 690 break; 691 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 692 if (fp->altsetting == 2 || fp->altsetting == 3 || 693 fp->altsetting == 5 || fp->altsetting == 6) 694 return 1; 695 break; 696 } 697 return 0; 698 } 699 700 /* 701 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 702 * not for interface. 703 */ 704 705 enum { 706 EMU_QUIRK_SR_44100HZ = 0, 707 EMU_QUIRK_SR_48000HZ, 708 EMU_QUIRK_SR_88200HZ, 709 EMU_QUIRK_SR_96000HZ, 710 EMU_QUIRK_SR_176400HZ, 711 EMU_QUIRK_SR_192000HZ 712 }; 713 714 static void set_format_emu_quirk(struct snd_usb_substream *subs, 715 struct audioformat *fmt) 716 { 717 unsigned char emu_samplerate_id = 0; 718 719 /* When capture is active 720 * sample rate shouldn't be changed 721 * by playback substream 722 */ 723 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 724 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 725 return; 726 } 727 728 switch (fmt->rate_min) { 729 case 48000: 730 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 731 break; 732 case 88200: 733 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 734 break; 735 case 96000: 736 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 737 break; 738 case 176400: 739 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 740 break; 741 case 192000: 742 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 743 break; 744 default: 745 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 746 break; 747 } 748 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 749 } 750 751 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 752 struct audioformat *fmt) 753 { 754 switch (subs->stream->chip->usb_id) { 755 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 756 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 757 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 758 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 759 set_format_emu_quirk(subs, fmt); 760 break; 761 } 762 } 763 764