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 > 0) { 140 rate_table = kmemdup(fp->rate_table, 141 sizeof(int) * fp->nr_rates, GFP_KERNEL); 142 if (!rate_table) { 143 kfree(fp); 144 return -ENOMEM; 145 } 146 fp->rate_table = rate_table; 147 } 148 149 stream = (fp->endpoint & USB_DIR_IN) 150 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 151 err = snd_usb_add_audio_stream(chip, stream, fp); 152 if (err < 0) { 153 kfree(fp); 154 kfree(rate_table); 155 return err; 156 } 157 if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || 158 fp->altset_idx >= iface->num_altsetting) { 159 kfree(fp); 160 kfree(rate_table); 161 return -EINVAL; 162 } 163 alts = &iface->altsetting[fp->altset_idx]; 164 fp->datainterval = snd_usb_parse_datainterval(chip, alts); 165 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 166 usb_set_interface(chip->dev, fp->iface, 0); 167 snd_usb_init_pitch(chip, fp->iface, alts, fp); 168 snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); 169 return 0; 170 } 171 172 /* 173 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. 174 * The only way to detect the sample rate is by looking at wMaxPacketSize. 175 */ 176 static int create_uaxx_quirk(struct snd_usb_audio *chip, 177 struct usb_interface *iface, 178 struct usb_driver *driver, 179 const struct snd_usb_audio_quirk *quirk) 180 { 181 static const struct audioformat ua_format = { 182 .formats = SNDRV_PCM_FMTBIT_S24_3LE, 183 .channels = 2, 184 .fmt_type = UAC_FORMAT_TYPE_I, 185 .altsetting = 1, 186 .altset_idx = 1, 187 .rates = SNDRV_PCM_RATE_CONTINUOUS, 188 }; 189 struct usb_host_interface *alts; 190 struct usb_interface_descriptor *altsd; 191 struct audioformat *fp; 192 int stream, err; 193 194 /* both PCM and MIDI interfaces have 2 or more altsettings */ 195 if (iface->num_altsetting < 2) 196 return -ENXIO; 197 alts = &iface->altsetting[1]; 198 altsd = get_iface_desc(alts); 199 200 if (altsd->bNumEndpoints == 2) { 201 static const struct snd_usb_midi_endpoint_info ua700_ep = { 202 .out_cables = 0x0003, 203 .in_cables = 0x0003 204 }; 205 static const struct snd_usb_audio_quirk ua700_quirk = { 206 .type = QUIRK_MIDI_FIXED_ENDPOINT, 207 .data = &ua700_ep 208 }; 209 static const struct snd_usb_midi_endpoint_info uaxx_ep = { 210 .out_cables = 0x0001, 211 .in_cables = 0x0001 212 }; 213 static const struct snd_usb_audio_quirk uaxx_quirk = { 214 .type = QUIRK_MIDI_FIXED_ENDPOINT, 215 .data = &uaxx_ep 216 }; 217 const struct snd_usb_audio_quirk *quirk = 218 chip->usb_id == USB_ID(0x0582, 0x002b) 219 ? &ua700_quirk : &uaxx_quirk; 220 return snd_usbmidi_create(chip->card, iface, 221 &chip->midi_list, quirk); 222 } 223 224 if (altsd->bNumEndpoints != 1) 225 return -ENXIO; 226 227 fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); 228 if (!fp) 229 return -ENOMEM; 230 231 fp->iface = altsd->bInterfaceNumber; 232 fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; 233 fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; 234 fp->datainterval = 0; 235 fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); 236 237 switch (fp->maxpacksize) { 238 case 0x120: 239 fp->rate_max = fp->rate_min = 44100; 240 break; 241 case 0x138: 242 case 0x140: 243 fp->rate_max = fp->rate_min = 48000; 244 break; 245 case 0x258: 246 case 0x260: 247 fp->rate_max = fp->rate_min = 96000; 248 break; 249 default: 250 snd_printk(KERN_ERR "unknown sample rate\n"); 251 kfree(fp); 252 return -ENXIO; 253 } 254 255 stream = (fp->endpoint & USB_DIR_IN) 256 ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 257 err = snd_usb_add_audio_stream(chip, stream, fp); 258 if (err < 0) { 259 kfree(fp); 260 return err; 261 } 262 usb_set_interface(chip->dev, fp->iface, 0); 263 return 0; 264 } 265 266 /* 267 * Create a standard mixer for the specified interface. 268 */ 269 static int create_standard_mixer_quirk(struct snd_usb_audio *chip, 270 struct usb_interface *iface, 271 struct usb_driver *driver, 272 const struct snd_usb_audio_quirk *quirk) 273 { 274 if (quirk->ifnum < 0) 275 return 0; 276 277 return snd_usb_create_mixer(chip, quirk->ifnum, 0); 278 } 279 280 /* 281 * audio-interface quirks 282 * 283 * returns zero if no standard audio/MIDI parsing is needed. 284 * returns a positive value if standard audio/midi interfaces are parsed 285 * after this. 286 * returns a negative value at error. 287 */ 288 int snd_usb_create_quirk(struct snd_usb_audio *chip, 289 struct usb_interface *iface, 290 struct usb_driver *driver, 291 const struct snd_usb_audio_quirk *quirk) 292 { 293 typedef int (*quirk_func_t)(struct snd_usb_audio *, 294 struct usb_interface *, 295 struct usb_driver *, 296 const struct snd_usb_audio_quirk *); 297 static const quirk_func_t quirk_funcs[] = { 298 [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, 299 [QUIRK_COMPOSITE] = create_composite_quirk, 300 [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, 301 [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, 302 [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, 303 [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, 304 [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, 305 [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, 306 [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, 307 [QUIRK_MIDI_CME] = create_any_midi_quirk, 308 [QUIRK_MIDI_AKAI] = create_any_midi_quirk, 309 [QUIRK_MIDI_FTDI] = create_any_midi_quirk, 310 [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, 311 [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, 312 [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, 313 [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk, 314 [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, 315 }; 316 317 if (quirk->type < QUIRK_TYPE_COUNT) { 318 return quirk_funcs[quirk->type](chip, iface, driver, quirk); 319 } else { 320 snd_printd(KERN_ERR "invalid quirk type %d\n", quirk->type); 321 return -ENXIO; 322 } 323 } 324 325 /* 326 * boot quirks 327 */ 328 329 #define EXTIGY_FIRMWARE_SIZE_OLD 794 330 #define EXTIGY_FIRMWARE_SIZE_NEW 483 331 332 static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) 333 { 334 struct usb_host_config *config = dev->actconfig; 335 int err; 336 337 if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || 338 le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { 339 snd_printdd("sending Extigy boot sequence...\n"); 340 /* Send message to force it to reconnect with full interface. */ 341 err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), 342 0x10, 0x43, 0x0001, 0x000a, NULL, 0); 343 if (err < 0) snd_printdd("error sending boot message: %d\n", err); 344 err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, 345 &dev->descriptor, sizeof(dev->descriptor)); 346 config = dev->actconfig; 347 if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err); 348 err = usb_reset_configuration(dev); 349 if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err); 350 snd_printdd("extigy_boot: new boot length = %d\n", 351 le16_to_cpu(get_cfg_desc(config)->wTotalLength)); 352 return -ENODEV; /* quit this anyway */ 353 } 354 return 0; 355 } 356 357 static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) 358 { 359 u8 buf = 1; 360 361 snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, 362 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, 363 0, 0, &buf, 1); 364 if (buf == 0) { 365 snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, 366 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 367 1, 2000, NULL, 0); 368 return -ENODEV; 369 } 370 return 0; 371 } 372 373 static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) 374 { 375 int err; 376 377 if (dev->actconfig->desc.bConfigurationValue == 1) { 378 snd_printk(KERN_INFO "usb-audio: " 379 "Fast Track Pro switching to config #2\n"); 380 /* This function has to be available by the usb core module. 381 * if it is not avialable the boot quirk has to be left out 382 * and the configuration has to be set by udev or hotplug 383 * rules 384 */ 385 err = usb_driver_set_configuration(dev, 2); 386 if (err < 0) { 387 snd_printdd("error usb_driver_set_configuration: %d\n", 388 err); 389 return -ENODEV; 390 } 391 } else 392 snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n"); 393 394 return 0; 395 } 396 397 /* 398 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely 399 * documented in the device's data sheet. 400 */ 401 static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) 402 { 403 u8 buf[4]; 404 buf[0] = 0x20; 405 buf[1] = value & 0xff; 406 buf[2] = (value >> 8) & 0xff; 407 buf[3] = reg; 408 return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, 409 USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, 410 0, 0, &buf, 4); 411 } 412 413 static int snd_usb_cm106_boot_quirk(struct usb_device *dev) 414 { 415 /* 416 * Enable line-out driver mode, set headphone source to front 417 * channels, enable stereo mic. 418 */ 419 return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); 420 } 421 422 /* 423 * C-Media CM6206 is based on CM106 with two additional 424 * registers that are not documented in the data sheet. 425 * Values here are chosen based on sniffing USB traffic 426 * under Windows. 427 */ 428 static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) 429 { 430 int err = 0, reg; 431 int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; 432 433 for (reg = 0; reg < ARRAY_SIZE(val); reg++) { 434 err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); 435 if (err < 0) 436 return err; 437 } 438 439 return err; 440 } 441 442 /* 443 * This call will put the synth in "USB send" mode, i.e it will send MIDI 444 * messages through USB (this is disabled at startup). The synth will 445 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB 446 * sign on its LCD. Values here are chosen based on sniffing USB traffic 447 * under Windows. 448 */ 449 static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) 450 { 451 int err, actual_length; 452 453 /* "midi send" enable */ 454 static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; 455 456 void *buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); 457 if (!buf) 458 return -ENOMEM; 459 err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, 460 ARRAY_SIZE(seq), &actual_length, 1000); 461 kfree(buf); 462 if (err < 0) 463 return err; 464 465 return 0; 466 } 467 468 /* 469 * Some sound cards from Native Instruments are in fact compliant to the USB 470 * audio standard of version 2 and other approved USB standards, even though 471 * they come up as vendor-specific device when first connected. 472 * 473 * However, they can be told to come up with a new set of descriptors 474 * upon their next enumeration, and the interfaces announced by the new 475 * descriptors will then be handled by the kernel's class drivers. As the 476 * product ID will also change, no further checks are required. 477 */ 478 479 static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) 480 { 481 int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), 482 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, 483 cpu_to_le16(1), 0, NULL, 0, 1000); 484 485 if (ret < 0) 486 return ret; 487 488 usb_reset_device(dev); 489 490 /* return -EAGAIN, so the creation of an audio interface for this 491 * temporary device is aborted. The device will reconnect with a 492 * new product ID */ 493 return -EAGAIN; 494 } 495 496 /* 497 * Setup quirks 498 */ 499 #define MAUDIO_SET 0x01 /* parse device_setup */ 500 #define MAUDIO_SET_COMPATIBLE 0x80 /* use only "win-compatible" interfaces */ 501 #define MAUDIO_SET_DTS 0x02 /* enable DTS Digital Output */ 502 #define MAUDIO_SET_96K 0x04 /* 48-96KHz rate if set, 8-48KHz otherwise */ 503 #define MAUDIO_SET_24B 0x08 /* 24bits sample if set, 16bits otherwise */ 504 #define MAUDIO_SET_DI 0x10 /* enable Digital Input */ 505 #define MAUDIO_SET_MASK 0x1f /* bit mask for setup value */ 506 #define MAUDIO_SET_24B_48K_DI 0x19 /* 24bits+48KHz+Digital Input */ 507 #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48KHz+No Digital Input */ 508 #define MAUDIO_SET_16B_48K_DI 0x11 /* 16bits+48KHz+Digital Input */ 509 #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48KHz+No Digital Input */ 510 511 static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, 512 int iface, int altno) 513 { 514 /* Reset ALL ifaces to 0 altsetting. 515 * Call it for every possible altsetting of every interface. 516 */ 517 usb_set_interface(chip->dev, iface, 0); 518 if (chip->setup & MAUDIO_SET) { 519 if (chip->setup & MAUDIO_SET_COMPATIBLE) { 520 if (iface != 1 && iface != 2) 521 return 1; /* skip all interfaces but 1 and 2 */ 522 } else { 523 unsigned int mask; 524 if (iface == 1 || iface == 2) 525 return 1; /* skip interfaces 1 and 2 */ 526 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 527 return 1; /* skip this altsetting */ 528 mask = chip->setup & MAUDIO_SET_MASK; 529 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 530 return 1; /* skip this altsetting */ 531 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 532 return 1; /* skip this altsetting */ 533 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) 534 return 1; /* skip this altsetting */ 535 } 536 } 537 snd_printdd(KERN_INFO 538 "using altsetting %d for interface %d config %d\n", 539 altno, iface, chip->setup); 540 return 0; /* keep this altsetting */ 541 } 542 543 static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, 544 int iface, 545 int altno) 546 { 547 /* Reset ALL ifaces to 0 altsetting. 548 * Call it for every possible altsetting of every interface. 549 */ 550 usb_set_interface(chip->dev, iface, 0); 551 552 if (chip->setup & MAUDIO_SET) { 553 unsigned int mask; 554 if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) 555 return 1; /* skip this altsetting */ 556 if ((chip->setup & MAUDIO_SET_96K) && altno != 1) 557 return 1; /* skip this altsetting */ 558 mask = chip->setup & MAUDIO_SET_MASK; 559 if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) 560 return 1; /* skip this altsetting */ 561 if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) 562 return 1; /* skip this altsetting */ 563 if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) 564 return 1; /* skip this altsetting */ 565 if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) 566 return 1; /* skip this altsetting */ 567 } 568 569 return 0; /* keep this altsetting */ 570 } 571 572 573 static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, 574 int iface, int altno) 575 { 576 /* Reset ALL ifaces to 0 altsetting. 577 * Call it for every possible altsetting of every interface. 578 */ 579 usb_set_interface(chip->dev, iface, 0); 580 581 /* possible configuration where both inputs and only one output is 582 *used is not supported by the current setup 583 */ 584 if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { 585 if (chip->setup & MAUDIO_SET_96K) { 586 if (altno != 3 && altno != 6) 587 return 1; 588 } else if (chip->setup & MAUDIO_SET_DI) { 589 if (iface == 4) 590 return 1; /* no analog input */ 591 if (altno != 2 && altno != 5) 592 return 1; /* enable only altsets 2 and 5 */ 593 } else { 594 if (iface == 5) 595 return 1; /* disable digialt input */ 596 if (altno != 2 && altno != 5) 597 return 1; /* enalbe only altsets 2 and 5 */ 598 } 599 } else { 600 /* keep only 16-Bit mode */ 601 if (altno != 1) 602 return 1; 603 } 604 605 snd_printdd(KERN_INFO 606 "using altsetting %d for interface %d config %d\n", 607 altno, iface, chip->setup); 608 return 0; /* keep this altsetting */ 609 } 610 611 int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, 612 int iface, 613 int altno) 614 { 615 /* audiophile usb: skip altsets incompatible with device_setup */ 616 if (chip->usb_id == USB_ID(0x0763, 0x2003)) 617 return audiophile_skip_setting_quirk(chip, iface, altno); 618 /* quattro usb: skip altsets incompatible with device_setup */ 619 if (chip->usb_id == USB_ID(0x0763, 0x2001)) 620 return quattro_skip_setting_quirk(chip, iface, altno); 621 /* fasttrackpro usb: skip altsets incompatible with device_setup */ 622 if (chip->usb_id == USB_ID(0x0763, 0x2012)) 623 return fasttrackpro_skip_setting_quirk(chip, iface, altno); 624 625 return 0; 626 } 627 628 int snd_usb_apply_boot_quirk(struct usb_device *dev, 629 struct usb_interface *intf, 630 const struct snd_usb_audio_quirk *quirk) 631 { 632 u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), 633 le16_to_cpu(dev->descriptor.idProduct)); 634 635 switch (id) { 636 case USB_ID(0x041e, 0x3000): 637 /* SB Extigy needs special boot-up sequence */ 638 /* if more models come, this will go to the quirk list. */ 639 return snd_usb_extigy_boot_quirk(dev, intf); 640 641 case USB_ID(0x041e, 0x3020): 642 /* SB Audigy 2 NX needs its own boot-up magic, too */ 643 return snd_usb_audigy2nx_boot_quirk(dev); 644 645 case USB_ID(0x10f5, 0x0200): 646 /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ 647 return snd_usb_cm106_boot_quirk(dev); 648 649 case USB_ID(0x0d8c, 0x0102): 650 /* C-Media CM6206 / CM106-Like Sound Device */ 651 case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ 652 return snd_usb_cm6206_boot_quirk(dev); 653 654 case USB_ID(0x133e, 0x0815): 655 /* Access Music VirusTI Desktop */ 656 return snd_usb_accessmusic_boot_quirk(dev); 657 658 case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ 659 case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ 660 case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ 661 return snd_usb_nativeinstruments_boot_quirk(dev); 662 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro USB */ 663 return snd_usb_fasttrackpro_boot_quirk(dev); 664 } 665 666 return 0; 667 } 668 669 /* 670 * check if the device uses big-endian samples 671 */ 672 int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp) 673 { 674 /* it depends on altsetting wether the device is big-endian or not */ 675 switch (chip->usb_id) { 676 case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ 677 if (fp->altsetting == 2 || fp->altsetting == 3 || 678 fp->altsetting == 5 || fp->altsetting == 6) 679 return 1; 680 break; 681 case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ 682 if (chip->setup == 0x00 || 683 fp->altsetting == 1 || fp->altsetting == 2 || 684 fp->altsetting == 3) 685 return 1; 686 break; 687 case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ 688 if (fp->altsetting == 2 || fp->altsetting == 3 || 689 fp->altsetting == 5 || fp->altsetting == 6) 690 return 1; 691 break; 692 } 693 return 0; 694 } 695 696 /* 697 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, 698 * not for interface. 699 */ 700 701 enum { 702 EMU_QUIRK_SR_44100HZ = 0, 703 EMU_QUIRK_SR_48000HZ, 704 EMU_QUIRK_SR_88200HZ, 705 EMU_QUIRK_SR_96000HZ, 706 EMU_QUIRK_SR_176400HZ, 707 EMU_QUIRK_SR_192000HZ 708 }; 709 710 static void set_format_emu_quirk(struct snd_usb_substream *subs, 711 struct audioformat *fmt) 712 { 713 unsigned char emu_samplerate_id = 0; 714 715 /* When capture is active 716 * sample rate shouldn't be changed 717 * by playback substream 718 */ 719 if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { 720 if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1) 721 return; 722 } 723 724 switch (fmt->rate_min) { 725 case 48000: 726 emu_samplerate_id = EMU_QUIRK_SR_48000HZ; 727 break; 728 case 88200: 729 emu_samplerate_id = EMU_QUIRK_SR_88200HZ; 730 break; 731 case 96000: 732 emu_samplerate_id = EMU_QUIRK_SR_96000HZ; 733 break; 734 case 176400: 735 emu_samplerate_id = EMU_QUIRK_SR_176400HZ; 736 break; 737 case 192000: 738 emu_samplerate_id = EMU_QUIRK_SR_192000HZ; 739 break; 740 default: 741 emu_samplerate_id = EMU_QUIRK_SR_44100HZ; 742 break; 743 } 744 snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); 745 } 746 747 void snd_usb_set_format_quirk(struct snd_usb_substream *subs, 748 struct audioformat *fmt) 749 { 750 switch (subs->stream->chip->usb_id) { 751 case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ 752 case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ 753 case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ 754 case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ 755 set_format_emu_quirk(subs, fmt); 756 break; 757 } 758 } 759 760