Linux Audio

Check our new training course

Yocto / OpenEmbedded training

Feb 10-13, 2025
Register
Loading...
v6.9.4
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 */
   4
   5#include <linux/init.h>
   6#include <linux/slab.h>
   7#include <linux/usb.h>
   8#include <linux/usb/audio.h>
   9#include <linux/usb/midi.h>
  10#include <linux/bits.h>
  11
  12#include <sound/control.h>
  13#include <sound/core.h>
  14#include <sound/info.h>
  15#include <sound/pcm.h>
  16
  17#include "usbaudio.h"
  18#include "card.h"
  19#include "mixer.h"
  20#include "mixer_quirks.h"
  21#include "midi.h"
  22#include "midi2.h"
  23#include "quirks.h"
  24#include "helper.h"
  25#include "endpoint.h"
  26#include "pcm.h"
  27#include "clock.h"
  28#include "stream.h"
  29
  30/*
  31 * handle the quirks for the contained interfaces
  32 */
  33static int create_composite_quirk(struct snd_usb_audio *chip,
  34				  struct usb_interface *iface,
  35				  struct usb_driver *driver,
  36				  const struct snd_usb_audio_quirk *quirk_comp)
  37{
  38	int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
  39	const struct snd_usb_audio_quirk *quirk;
  40	int err;
  41
  42	for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
  43		iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
  44		if (!iface)
  45			continue;
  46		if (quirk->ifnum != probed_ifnum &&
  47		    usb_interface_claimed(iface))
  48			continue;
  49		err = snd_usb_create_quirk(chip, iface, driver, quirk);
  50		if (err < 0)
  51			return err;
  52	}
  53
  54	for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
  55		iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
  56		if (!iface)
  57			continue;
  58		if (quirk->ifnum != probed_ifnum &&
  59		    !usb_interface_claimed(iface)) {
  60			err = usb_driver_claim_interface(driver, iface,
  61							 USB_AUDIO_IFACE_UNUSED);
  62			if (err < 0)
  63				return err;
  64		}
  65	}
  66
  67	return 0;
  68}
  69
  70static int ignore_interface_quirk(struct snd_usb_audio *chip,
  71				  struct usb_interface *iface,
  72				  struct usb_driver *driver,
  73				  const struct snd_usb_audio_quirk *quirk)
  74{
  75	return 0;
  76}
  77
  78
 
 
 
 
 
 
 
 
 
 
 
 
 
  79static int create_any_midi_quirk(struct snd_usb_audio *chip,
  80				 struct usb_interface *intf,
  81				 struct usb_driver *driver,
  82				 const struct snd_usb_audio_quirk *quirk)
  83{
  84	return snd_usb_midi_v2_create(chip, intf, quirk, 0);
  85}
  86
  87/*
  88 * create a stream for an interface with proper descriptors
  89 */
  90static int create_standard_audio_quirk(struct snd_usb_audio *chip,
  91				       struct usb_interface *iface,
  92				       struct usb_driver *driver,
  93				       const struct snd_usb_audio_quirk *quirk)
  94{
  95	struct usb_host_interface *alts;
  96	struct usb_interface_descriptor *altsd;
  97	int err;
  98
 
 
 
  99	alts = &iface->altsetting[0];
 100	altsd = get_iface_desc(alts);
 101	err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
 102	if (err < 0) {
 103		usb_audio_err(chip, "cannot setup if %d: error %d\n",
 104			   altsd->bInterfaceNumber, err);
 105		return err;
 106	}
 107	/* reset the current interface */
 108	usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
 109	return 0;
 110}
 111
 112/* create the audio stream and the corresponding endpoints from the fixed
 113 * audioformat object; this is used for quirks with the fixed EPs
 114 */
 115static int add_audio_stream_from_fixed_fmt(struct snd_usb_audio *chip,
 116					   struct audioformat *fp)
 117{
 118	int stream, err;
 119
 120	stream = (fp->endpoint & USB_DIR_IN) ?
 121		SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
 122
 123	snd_usb_audioformat_set_sync_ep(chip, fp);
 124
 125	err = snd_usb_add_audio_stream(chip, stream, fp);
 126	if (err < 0)
 127		return err;
 128
 129	err = snd_usb_add_endpoint(chip, fp->endpoint,
 130				   SND_USB_ENDPOINT_TYPE_DATA);
 131	if (err < 0)
 132		return err;
 133
 134	if (fp->sync_ep) {
 135		err = snd_usb_add_endpoint(chip, fp->sync_ep,
 136					   fp->implicit_fb ?
 137					   SND_USB_ENDPOINT_TYPE_DATA :
 138					   SND_USB_ENDPOINT_TYPE_SYNC);
 139		if (err < 0)
 140			return err;
 141	}
 142
 143	return 0;
 144}
 145
 146/*
 147 * create a stream for an endpoint/altsetting without proper descriptors
 148 */
 149static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
 150				     struct usb_interface *iface,
 151				     struct usb_driver *driver,
 152				     const struct snd_usb_audio_quirk *quirk)
 153{
 154	struct audioformat *fp;
 155	struct usb_host_interface *alts;
 156	struct usb_interface_descriptor *altsd;
 
 157	unsigned *rate_table = NULL;
 158	int err;
 159
 160	fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
 161	if (!fp)
 162		return -ENOMEM;
 163
 164	INIT_LIST_HEAD(&fp->list);
 165	if (fp->nr_rates > MAX_NR_RATES) {
 166		kfree(fp);
 167		return -EINVAL;
 168	}
 169	if (fp->nr_rates > 0) {
 170		rate_table = kmemdup(fp->rate_table,
 171				     sizeof(int) * fp->nr_rates, GFP_KERNEL);
 172		if (!rate_table) {
 173			kfree(fp);
 174			return -ENOMEM;
 175		}
 176		fp->rate_table = rate_table;
 177	}
 178
 
 
 
 
 
 179	if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
 180	    fp->altset_idx >= iface->num_altsetting) {
 181		err = -EINVAL;
 182		goto error;
 183	}
 184	alts = &iface->altsetting[fp->altset_idx];
 185	altsd = get_iface_desc(alts);
 186	if (altsd->bNumEndpoints <= fp->ep_idx) {
 187		err = -EINVAL;
 188		goto error;
 189	}
 190
 191	fp->protocol = altsd->bInterfaceProtocol;
 192
 193	if (fp->datainterval == 0)
 194		fp->datainterval = snd_usb_parse_datainterval(chip, alts);
 195	if (fp->maxpacksize == 0)
 196		fp->maxpacksize = le16_to_cpu(get_endpoint(alts, fp->ep_idx)->wMaxPacketSize);
 197	if (!fp->fmt_type)
 198		fp->fmt_type = UAC_FORMAT_TYPE_I;
 199
 200	err = add_audio_stream_from_fixed_fmt(chip, fp);
 201	if (err < 0)
 202		goto error;
 203
 204	usb_set_interface(chip->dev, fp->iface, 0);
 205	snd_usb_init_pitch(chip, fp);
 206	snd_usb_init_sample_rate(chip, fp, fp->rate_max);
 207	return 0;
 208
 209 error:
 210	list_del(&fp->list); /* unlink for avoiding double-free */
 211	kfree(fp);
 212	kfree(rate_table);
 213	return err;
 214}
 215
 216static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
 217				 struct usb_interface *iface,
 218				 struct usb_driver *driver)
 219{
 220	struct usb_host_interface *alts;
 221	struct usb_interface_descriptor *altsd;
 222	struct usb_endpoint_descriptor *epd;
 223	struct uac1_as_header_descriptor *ashd;
 224	struct uac_format_type_i_discrete_descriptor *fmtd;
 225
 226	/*
 227	 * Most Roland/Yamaha audio streaming interfaces have more or less
 228	 * standard descriptors, but older devices might lack descriptors, and
 229	 * future ones might change, so ensure that we fail silently if the
 230	 * interface doesn't look exactly right.
 231	 */
 232
 233	/* must have a non-zero altsetting for streaming */
 234	if (iface->num_altsetting < 2)
 235		return -ENODEV;
 236	alts = &iface->altsetting[1];
 237	altsd = get_iface_desc(alts);
 238
 239	/* must have an isochronous endpoint for streaming */
 240	if (altsd->bNumEndpoints < 1)
 241		return -ENODEV;
 242	epd = get_endpoint(alts, 0);
 243	if (!usb_endpoint_xfer_isoc(epd))
 244		return -ENODEV;
 245
 246	/* must have format descriptors */
 247	ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
 248				       UAC_AS_GENERAL);
 249	fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
 250				       UAC_FORMAT_TYPE);
 251	if (!ashd || ashd->bLength < 7 ||
 252	    !fmtd || fmtd->bLength < 8)
 253		return -ENODEV;
 254
 255	return create_standard_audio_quirk(chip, iface, driver, NULL);
 256}
 257
 258static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
 259				    struct usb_interface *iface,
 260				    struct usb_driver *driver,
 261				    struct usb_host_interface *alts)
 262{
 263	static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
 264		.type = QUIRK_MIDI_YAMAHA
 265	};
 266	struct usb_midi_in_jack_descriptor *injd;
 267	struct usb_midi_out_jack_descriptor *outjd;
 268
 269	/* must have some valid jack descriptors */
 270	injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
 271				       NULL, USB_MS_MIDI_IN_JACK);
 272	outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
 273					NULL, USB_MS_MIDI_OUT_JACK);
 274	if (!injd && !outjd)
 275		return -ENODEV;
 276	if ((injd && !snd_usb_validate_midi_desc(injd)) ||
 277	    (outjd && !snd_usb_validate_midi_desc(outjd)))
 278		return -ENODEV;
 279	if (injd && (injd->bLength < 5 ||
 280		     (injd->bJackType != USB_MS_EMBEDDED &&
 281		      injd->bJackType != USB_MS_EXTERNAL)))
 282		return -ENODEV;
 283	if (outjd && (outjd->bLength < 6 ||
 284		      (outjd->bJackType != USB_MS_EMBEDDED &&
 285		       outjd->bJackType != USB_MS_EXTERNAL)))
 286		return -ENODEV;
 287	return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
 288}
 289
 290static int create_roland_midi_quirk(struct snd_usb_audio *chip,
 291				    struct usb_interface *iface,
 292				    struct usb_driver *driver,
 293				    struct usb_host_interface *alts)
 294{
 295	static const struct snd_usb_audio_quirk roland_midi_quirk = {
 296		.type = QUIRK_MIDI_ROLAND
 297	};
 298	u8 *roland_desc = NULL;
 299
 300	/* might have a vendor-specific descriptor <06 24 F1 02 ...> */
 301	for (;;) {
 302		roland_desc = snd_usb_find_csint_desc(alts->extra,
 303						      alts->extralen,
 304						      roland_desc, 0xf1);
 305		if (!roland_desc)
 306			return -ENODEV;
 307		if (roland_desc[0] < 6 || roland_desc[3] != 2)
 308			continue;
 309		return create_any_midi_quirk(chip, iface, driver,
 310					     &roland_midi_quirk);
 311	}
 312}
 313
 314static int create_std_midi_quirk(struct snd_usb_audio *chip,
 315				 struct usb_interface *iface,
 316				 struct usb_driver *driver,
 317				 struct usb_host_interface *alts)
 318{
 319	struct usb_ms_header_descriptor *mshd;
 320	struct usb_ms_endpoint_descriptor *msepd;
 321
 322	/* must have the MIDIStreaming interface header descriptor*/
 323	mshd = (struct usb_ms_header_descriptor *)alts->extra;
 324	if (alts->extralen < 7 ||
 325	    mshd->bLength < 7 ||
 326	    mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
 327	    mshd->bDescriptorSubtype != USB_MS_HEADER)
 328		return -ENODEV;
 329	/* must have the MIDIStreaming endpoint descriptor*/
 330	msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
 331	if (alts->endpoint[0].extralen < 4 ||
 332	    msepd->bLength < 4 ||
 333	    msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
 334	    msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
 335	    msepd->bNumEmbMIDIJack < 1 ||
 336	    msepd->bNumEmbMIDIJack > 16)
 337		return -ENODEV;
 338
 339	return create_any_midi_quirk(chip, iface, driver, NULL);
 340}
 341
 342static int create_auto_midi_quirk(struct snd_usb_audio *chip,
 343				  struct usb_interface *iface,
 344				  struct usb_driver *driver)
 345{
 346	struct usb_host_interface *alts;
 347	struct usb_interface_descriptor *altsd;
 348	struct usb_endpoint_descriptor *epd;
 349	int err;
 350
 351	alts = &iface->altsetting[0];
 352	altsd = get_iface_desc(alts);
 353
 354	/* must have at least one bulk/interrupt endpoint for streaming */
 355	if (altsd->bNumEndpoints < 1)
 356		return -ENODEV;
 357	epd = get_endpoint(alts, 0);
 358	if (!usb_endpoint_xfer_bulk(epd) &&
 359	    !usb_endpoint_xfer_int(epd))
 360		return -ENODEV;
 361
 362	switch (USB_ID_VENDOR(chip->usb_id)) {
 363	case 0x0499: /* Yamaha */
 364		err = create_yamaha_midi_quirk(chip, iface, driver, alts);
 365		if (err != -ENODEV)
 366			return err;
 367		break;
 368	case 0x0582: /* Roland */
 369		err = create_roland_midi_quirk(chip, iface, driver, alts);
 370		if (err != -ENODEV)
 371			return err;
 372		break;
 373	}
 374
 375	return create_std_midi_quirk(chip, iface, driver, alts);
 376}
 377
 378static int create_autodetect_quirk(struct snd_usb_audio *chip,
 379				   struct usb_interface *iface,
 380				   struct usb_driver *driver,
 381				   const struct snd_usb_audio_quirk *quirk)
 382{
 383	int err;
 384
 385	err = create_auto_pcm_quirk(chip, iface, driver);
 386	if (err == -ENODEV)
 387		err = create_auto_midi_quirk(chip, iface, driver);
 388	return err;
 389}
 390
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 391/*
 392 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.  
 393 * The only way to detect the sample rate is by looking at wMaxPacketSize.
 394 */
 395static int create_uaxx_quirk(struct snd_usb_audio *chip,
 396			     struct usb_interface *iface,
 397			     struct usb_driver *driver,
 398			     const struct snd_usb_audio_quirk *quirk)
 399{
 400	static const struct audioformat ua_format = {
 401		.formats = SNDRV_PCM_FMTBIT_S24_3LE,
 402		.channels = 2,
 403		.fmt_type = UAC_FORMAT_TYPE_I,
 404		.altsetting = 1,
 405		.altset_idx = 1,
 406		.rates = SNDRV_PCM_RATE_CONTINUOUS,
 407	};
 408	struct usb_host_interface *alts;
 409	struct usb_interface_descriptor *altsd;
 410	struct audioformat *fp;
 411	int err;
 412
 413	/* both PCM and MIDI interfaces have 2 or more altsettings */
 414	if (iface->num_altsetting < 2)
 415		return -ENXIO;
 416	alts = &iface->altsetting[1];
 417	altsd = get_iface_desc(alts);
 418
 419	if (altsd->bNumEndpoints == 2) {
 420		static const struct snd_usb_midi_endpoint_info ua700_ep = {
 421			.out_cables = 0x0003,
 422			.in_cables  = 0x0003
 423		};
 424		static const struct snd_usb_audio_quirk ua700_quirk = {
 425			.type = QUIRK_MIDI_FIXED_ENDPOINT,
 426			.data = &ua700_ep
 427		};
 428		static const struct snd_usb_midi_endpoint_info uaxx_ep = {
 429			.out_cables = 0x0001,
 430			.in_cables  = 0x0001
 431		};
 432		static const struct snd_usb_audio_quirk uaxx_quirk = {
 433			.type = QUIRK_MIDI_FIXED_ENDPOINT,
 434			.data = &uaxx_ep
 435		};
 436		const struct snd_usb_audio_quirk *quirk =
 437			chip->usb_id == USB_ID(0x0582, 0x002b)
 438			? &ua700_quirk : &uaxx_quirk;
 439		return __snd_usbmidi_create(chip->card, iface,
 440					    &chip->midi_list, quirk,
 441					    chip->usb_id,
 442					    &chip->num_rawmidis);
 443	}
 444
 445	if (altsd->bNumEndpoints != 1)
 446		return -ENXIO;
 447
 448	fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
 449	if (!fp)
 450		return -ENOMEM;
 451
 452	fp->iface = altsd->bInterfaceNumber;
 453	fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
 454	fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
 455	fp->datainterval = 0;
 456	fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
 457	INIT_LIST_HEAD(&fp->list);
 458
 459	switch (fp->maxpacksize) {
 460	case 0x120:
 461		fp->rate_max = fp->rate_min = 44100;
 462		break;
 463	case 0x138:
 464	case 0x140:
 465		fp->rate_max = fp->rate_min = 48000;
 466		break;
 467	case 0x258:
 468	case 0x260:
 469		fp->rate_max = fp->rate_min = 96000;
 470		break;
 471	default:
 472		usb_audio_err(chip, "unknown sample rate\n");
 473		kfree(fp);
 474		return -ENXIO;
 475	}
 476
 477	err = add_audio_stream_from_fixed_fmt(chip, fp);
 
 
 478	if (err < 0) {
 479		list_del(&fp->list); /* unlink for avoiding double-free */
 480		kfree(fp);
 481		return err;
 482	}
 483	usb_set_interface(chip->dev, fp->iface, 0);
 484	return 0;
 485}
 486
 487/*
 488 * Create a standard mixer for the specified interface.
 489 */
 490static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
 491				       struct usb_interface *iface,
 492				       struct usb_driver *driver,
 493				       const struct snd_usb_audio_quirk *quirk)
 494{
 495	if (quirk->ifnum < 0)
 496		return 0;
 497
 498	return snd_usb_create_mixer(chip, quirk->ifnum);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 499}
 500
 501/*
 502 * audio-interface quirks
 503 *
 504 * returns zero if no standard audio/MIDI parsing is needed.
 505 * returns a positive value if standard audio/midi interfaces are parsed
 506 * after this.
 507 * returns a negative value at error.
 508 */
 509int snd_usb_create_quirk(struct snd_usb_audio *chip,
 510			 struct usb_interface *iface,
 511			 struct usb_driver *driver,
 512			 const struct snd_usb_audio_quirk *quirk)
 513{
 514	typedef int (*quirk_func_t)(struct snd_usb_audio *,
 515				    struct usb_interface *,
 516				    struct usb_driver *,
 517				    const struct snd_usb_audio_quirk *);
 518	static const quirk_func_t quirk_funcs[] = {
 519		[QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
 520		[QUIRK_COMPOSITE] = create_composite_quirk,
 521		[QUIRK_AUTODETECT] = create_autodetect_quirk,
 522		[QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
 523		[QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
 524		[QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
 525		[QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
 526		[QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
 527		[QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
 528		[QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
 529		[QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
 530		[QUIRK_MIDI_CME] = create_any_midi_quirk,
 531		[QUIRK_MIDI_AKAI] = create_any_midi_quirk,
 532		[QUIRK_MIDI_FTDI] = create_any_midi_quirk,
 533		[QUIRK_MIDI_CH345] = create_any_midi_quirk,
 534		[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
 535		[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
 536		[QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
 
 537		[QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
 
 
 538	};
 539
 540	if (quirk->type < QUIRK_TYPE_COUNT) {
 541		return quirk_funcs[quirk->type](chip, iface, driver, quirk);
 542	} else {
 543		usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
 544		return -ENXIO;
 545	}
 546}
 547
 548/*
 549 * boot quirks
 550 */
 551
 552#define EXTIGY_FIRMWARE_SIZE_OLD 794
 553#define EXTIGY_FIRMWARE_SIZE_NEW 483
 554
 555static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
 556{
 557	struct usb_host_config *config = dev->actconfig;
 558	int err;
 559
 560	if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
 561	    le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
 562		dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
 563		/* Send message to force it to reconnect with full interface. */
 564		err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
 565				      0x10, 0x43, 0x0001, 0x000a, NULL, 0);
 566		if (err < 0)
 567			dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
 568		err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
 569				&dev->descriptor, sizeof(dev->descriptor));
 570		config = dev->actconfig;
 571		if (err < 0)
 572			dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
 573		err = usb_reset_configuration(dev);
 574		if (err < 0)
 575			dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
 576		dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
 577			    le16_to_cpu(get_cfg_desc(config)->wTotalLength));
 578		return -ENODEV; /* quit this anyway */
 579	}
 580	return 0;
 581}
 582
 583static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
 584{
 585	u8 buf = 1;
 586
 587	snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
 588			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 589			0, 0, &buf, 1);
 590	if (buf == 0) {
 591		snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
 592				USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 593				1, 2000, NULL, 0);
 594		return -ENODEV;
 595	}
 596	return 0;
 597}
 598
 599static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
 600{
 601	int err;
 602
 603	if (dev->actconfig->desc.bConfigurationValue == 1) {
 604		dev_info(&dev->dev,
 605			   "Fast Track Pro switching to config #2\n");
 606		/* This function has to be available by the usb core module.
 607		 * if it is not avialable the boot quirk has to be left out
 608		 * and the configuration has to be set by udev or hotplug
 609		 * rules
 610		 */
 611		err = usb_driver_set_configuration(dev, 2);
 612		if (err < 0)
 613			dev_dbg(&dev->dev,
 614				"error usb_driver_set_configuration: %d\n",
 615				err);
 616		/* Always return an error, so that we stop creating a device
 617		   that will just be destroyed and recreated with a new
 618		   configuration */
 619		return -ENODEV;
 620	} else
 621		dev_info(&dev->dev, "Fast Track Pro config OK\n");
 622
 623	return 0;
 624}
 625
 626/*
 627 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
 628 * documented in the device's data sheet.
 629 */
 630static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
 631{
 632	u8 buf[4];
 633	buf[0] = 0x20;
 634	buf[1] = value & 0xff;
 635	buf[2] = (value >> 8) & 0xff;
 636	buf[3] = reg;
 637	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
 638			       USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
 639			       0, 0, &buf, 4);
 640}
 641
 642static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
 643{
 644	/*
 645	 * Enable line-out driver mode, set headphone source to front
 646	 * channels, enable stereo mic.
 647	 */
 648	return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
 649}
 650
 651/*
 652 * CM6206 registers from the CM6206 datasheet rev 2.1
 653 */
 654#define CM6206_REG0_DMA_MASTER BIT(15)
 655#define CM6206_REG0_SPDIFO_RATE_48K (2 << 12)
 656#define CM6206_REG0_SPDIFO_RATE_96K (7 << 12)
 657/* Bit 4 thru 11 is the S/PDIF category code */
 658#define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4)
 659#define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3)
 660#define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2)
 661#define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1)
 662#define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0)
 663
 664#define CM6206_REG1_TEST_SEL_CLK BIT(14)
 665#define CM6206_REG1_PLLBIN_EN BIT(13)
 666#define CM6206_REG1_SOFT_MUTE_EN BIT(12)
 667#define CM6206_REG1_GPIO4_OUT BIT(11)
 668#define CM6206_REG1_GPIO4_OE BIT(10)
 669#define CM6206_REG1_GPIO3_OUT BIT(9)
 670#define CM6206_REG1_GPIO3_OE BIT(8)
 671#define CM6206_REG1_GPIO2_OUT BIT(7)
 672#define CM6206_REG1_GPIO2_OE BIT(6)
 673#define CM6206_REG1_GPIO1_OUT BIT(5)
 674#define CM6206_REG1_GPIO1_OE BIT(4)
 675#define CM6206_REG1_SPDIFO_INVALID BIT(3)
 676#define CM6206_REG1_SPDIF_LOOP_EN BIT(2)
 677#define CM6206_REG1_SPDIFO_DIS BIT(1)
 678#define CM6206_REG1_SPDIFI_MIX BIT(0)
 679
 680#define CM6206_REG2_DRIVER_ON BIT(15)
 681#define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13)
 682#define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13)
 683#define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13)
 684#define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13)
 685#define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12)
 686#define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11)
 687#define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10)
 688#define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9)
 689#define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8)
 690#define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7)
 691#define CM6206_REG2_MUTE_SUBWOOFER BIT(6)
 692#define CM6206_REG2_MUTE_CENTER BIT(5)
 693#define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3)
 694#define CM6206_REG2_MUTE_LEFT_FRONT BIT(3)
 695#define CM6206_REG2_EN_BTL BIT(2)
 696#define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0)
 697#define CM6206_REG2_MCUCLKSEL_3_MHZ (1)
 698#define CM6206_REG2_MCUCLKSEL_6_MHZ (2)
 699#define CM6206_REG2_MCUCLKSEL_12_MHZ (3)
 700
 701/* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */
 702#define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11)
 703#define CM6206_REG3_VRAP25EN BIT(10)
 704#define CM6206_REG3_MSEL1 BIT(9)
 705#define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7)
 706#define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7)
 707#define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7)
 708#define CM6206_REG3_PINSEL BIT(6)
 709#define CM6206_REG3_FOE BIT(5)
 710#define CM6206_REG3_ROE BIT(4)
 711#define CM6206_REG3_CBOE BIT(3)
 712#define CM6206_REG3_LOSE BIT(2)
 713#define CM6206_REG3_HPOE BIT(1)
 714#define CM6206_REG3_SPDIFI_CANREC BIT(0)
 715
 716#define CM6206_REG5_DA_RSTN BIT(13)
 717#define CM6206_REG5_AD_RSTN BIT(12)
 718#define CM6206_REG5_SPDIFO_AD2SPDO BIT(12)
 719#define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9)
 720#define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9)
 721#define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9)
 722#define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9)
 723#define CM6206_REG5_CODECM BIT(8)
 724#define CM6206_REG5_EN_HPF BIT(7)
 725#define CM6206_REG5_T_SEL_DSDA4 BIT(6)
 726#define CM6206_REG5_T_SEL_DSDA3 BIT(5)
 727#define CM6206_REG5_T_SEL_DSDA2 BIT(4)
 728#define CM6206_REG5_T_SEL_DSDA1 BIT(3)
 729#define CM6206_REG5_T_SEL_DSDAD_NORMAL 0
 730#define CM6206_REG5_T_SEL_DSDAD_FRONT 4
 731#define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5
 732#define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6
 733#define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7
 734
 735static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
 736{
 737	int err  = 0, reg;
 738	int val[] = {
 739		/*
 740		 * Values here are chosen based on sniffing USB traffic
 741		 * under Windows.
 742		 *
 743		 * REG0: DAC is master, sample rate 48kHz, no copyright
 744		 */
 745		CM6206_REG0_SPDIFO_RATE_48K |
 746		CM6206_REG0_SPDIFO_COPYRIGHT_NA,
 747		/*
 748		 * REG1: PLL binary search enable, soft mute enable.
 749		 */
 750		CM6206_REG1_PLLBIN_EN |
 751		CM6206_REG1_SOFT_MUTE_EN,
 752		/*
 753		 * REG2: enable output drivers,
 754		 * select front channels to the headphone output,
 755		 * then mute the headphone channels, run the MCU
 756		 * at 1.5 MHz.
 757		 */
 758		CM6206_REG2_DRIVER_ON |
 759		CM6206_REG2_HEADP_SEL_FRONT_CHANNELS |
 760		CM6206_REG2_MUTE_HEADPHONE_RIGHT |
 761		CM6206_REG2_MUTE_HEADPHONE_LEFT,
 762		/*
 763		 * REG3: default flyspeed, set 2.5V mic bias
 764		 * enable all line out ports and enable SPDIF
 765		 */
 766		CM6206_REG3_FLYSPEED_DEFAULT |
 767		CM6206_REG3_VRAP25EN |
 768		CM6206_REG3_FOE |
 769		CM6206_REG3_ROE |
 770		CM6206_REG3_CBOE |
 771		CM6206_REG3_LOSE |
 772		CM6206_REG3_HPOE |
 773		CM6206_REG3_SPDIFI_CANREC,
 774		/* REG4 is just a bunch of GPIO lines */
 775		0x0000,
 776		/* REG5: de-assert AD/DA reset signals */
 777		CM6206_REG5_DA_RSTN |
 778		CM6206_REG5_AD_RSTN };
 779
 780	for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
 781		err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
 782		if (err < 0)
 783			return err;
 784	}
 785
 786	return err;
 787}
 788
 789/* quirk for Plantronics GameCom 780 with CM6302 chip */
 790static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
 791{
 792	/* set the initial volume and don't change; other values are either
 793	 * too loud or silent due to firmware bug (bko#65251)
 794	 */
 795	u8 buf[2] = { 0x74, 0xe3 };
 796	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
 797			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 798			UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
 799}
 800
 801/*
 802 * Novation Twitch DJ controller
 803 * Focusrite Novation Saffire 6 USB audio card
 804 */
 805static int snd_usb_novation_boot_quirk(struct usb_device *dev)
 806{
 807	/* preemptively set up the device because otherwise the
 808	 * raw MIDI endpoints are not active */
 809	usb_set_interface(dev, 0, 1);
 810	return 0;
 811}
 812
 813/*
 814 * This call will put the synth in "USB send" mode, i.e it will send MIDI
 815 * messages through USB (this is disabled at startup). The synth will
 816 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
 817 * sign on its LCD. Values here are chosen based on sniffing USB traffic
 818 * under Windows.
 819 */
 820static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
 821{
 822	int err, actual_length;
 823	/* "midi send" enable */
 824	static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
 825	void *buf;
 826
 827	if (usb_pipe_type_check(dev, usb_sndintpipe(dev, 0x05)))
 828		return -EINVAL;
 829	buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
 830	if (!buf)
 831		return -ENOMEM;
 832	err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
 833			ARRAY_SIZE(seq), &actual_length, 1000);
 834	kfree(buf);
 835	if (err < 0)
 836		return err;
 837
 838	return 0;
 839}
 840
 841/*
 842 * Some sound cards from Native Instruments are in fact compliant to the USB
 843 * audio standard of version 2 and other approved USB standards, even though
 844 * they come up as vendor-specific device when first connected.
 845 *
 846 * However, they can be told to come up with a new set of descriptors
 847 * upon their next enumeration, and the interfaces announced by the new
 848 * descriptors will then be handled by the kernel's class drivers. As the
 849 * product ID will also change, no further checks are required.
 850 */
 851
 852static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
 853{
 854	int ret;
 855
 
 
 856	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 857				  0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 858				  1, 0, NULL, 0, 1000);
 859
 860	if (ret < 0)
 861		return ret;
 862
 863	usb_reset_device(dev);
 864
 865	/* return -EAGAIN, so the creation of an audio interface for this
 866	 * temporary device is aborted. The device will reconnect with a
 867	 * new product ID */
 868	return -EAGAIN;
 869}
 870
 871static void mbox2_setup_48_24_magic(struct usb_device *dev)
 872{
 873	u8 srate[3];
 874	u8 temp[12];
 875
 876	/* Choose 48000Hz permanently */
 877	srate[0] = 0x80;
 878	srate[1] = 0xbb;
 879	srate[2] = 0x00;
 880
 881	/* Send the magic! */
 882	snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 883		0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
 884	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 885		0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
 886	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 887		0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
 888	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 889		0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
 890	return;
 891}
 892
 893/* Digidesign Mbox 2 needs to load firmware onboard
 894 * and driver must wait a few seconds for initialisation.
 895 */
 896
 897#define MBOX2_FIRMWARE_SIZE    646
 898#define MBOX2_BOOT_LOADING     0x01 /* Hard coded into the device */
 899#define MBOX2_BOOT_READY       0x02 /* Hard coded into the device */
 900
 901static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
 902{
 903	struct usb_host_config *config = dev->actconfig;
 904	int err;
 905	u8 bootresponse[0x12];
 906	int fwsize;
 907	int count;
 908
 909	fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
 910
 911	if (fwsize != MBOX2_FIRMWARE_SIZE) {
 912		dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
 913		return -ENODEV;
 914	}
 915
 916	dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
 917
 918	count = 0;
 919	bootresponse[0] = MBOX2_BOOT_LOADING;
 920	while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
 921		msleep(500); /* 0.5 second delay */
 922		snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 923			/* Control magic - load onboard firmware */
 924			0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
 925		if (bootresponse[0] == MBOX2_BOOT_READY)
 926			break;
 927		dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
 928		count++;
 929	}
 930
 931	if (bootresponse[0] != MBOX2_BOOT_READY) {
 932		dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
 933		return -ENODEV;
 934	}
 935
 936	dev_dbg(&dev->dev, "device initialised!\n");
 937
 938	err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
 939		&dev->descriptor, sizeof(dev->descriptor));
 940	config = dev->actconfig;
 941	if (err < 0)
 942		dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
 943
 944	err = usb_reset_configuration(dev);
 945	if (err < 0)
 946		dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
 947	dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
 948		le16_to_cpu(get_cfg_desc(config)->wTotalLength));
 949
 950	mbox2_setup_48_24_magic(dev);
 951
 952	dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
 953
 954	return 0; /* Successful boot */
 955}
 956
 957static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
 958{
 959	int err;
 960
 961	dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
 962
 
 
 963	/* If the Axe-Fx III has not fully booted, it will timeout when trying
 964	 * to enable the audio streaming interface. A more generous timeout is
 965	 * used here to detect when the Axe-Fx III has finished booting as the
 966	 * set interface message will be acked once it has
 967	 */
 968	err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 969				USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
 970				1, 1, NULL, 0, 120000);
 971	if (err < 0) {
 972		dev_err(&dev->dev,
 973			"failed waiting for Axe-Fx III to boot: %d\n", err);
 974		return err;
 975	}
 976
 977	dev_dbg(&dev->dev, "Axe-Fx III is now ready\n");
 978
 979	err = usb_set_interface(dev, 1, 0);
 980	if (err < 0)
 981		dev_dbg(&dev->dev,
 982			"error stopping Axe-Fx III interface: %d\n", err);
 983
 984	return 0;
 985}
 986
 987static void mbox3_setup_48_24_magic(struct usb_device *dev)
 988{
 989	/* The Mbox 3 is "little endian" */
 990	/* max volume is: 0x0000. */
 991	/* min volume is: 0x0080 (shown in little endian form) */
 992
 993
 994	/* Load 48000Hz rate into buffer */
 995	u8 com_buff[4] = {0x80, 0xbb, 0x00, 0x00};
 996
 997	/* Set 48000Hz sample rate */
 998	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 999			0x01, 0x21, 0x0100, 0x0001, &com_buff, 4);  //Is this really needed?
1000	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1001			0x01, 0x21, 0x0100, 0x8101, &com_buff, 4);
1002
1003	/* Deactivate Tuner */
1004	/* on  = 0x01*/
1005	/* off = 0x00*/
1006	com_buff[0] = 0x00;
1007	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1008		0x01, 0x21, 0x0003, 0x2001, &com_buff, 1);
1009
1010	/* Set clock source to Internal (as opposed to S/PDIF) */
1011	com_buff[0] = 0x01;
1012	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1013			1, 0x21, 0x0100, 0x8001, &com_buff, 1);
1014
1015	/* Mute the hardware loopbacks to start the device in a known state. */
1016	com_buff[0] = 0x00;
1017	com_buff[1] = 0x80;
1018	/* Analogue input 1 left channel: */
1019	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1020			1, 0x21, 0x0110, 0x4001, &com_buff, 2);
1021	/* Analogue input 1 right channel: */
1022	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1023			1, 0x21, 0x0111, 0x4001, &com_buff, 2);
1024	/* Analogue input 2 left channel: */
1025	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1026			1, 0x21, 0x0114, 0x4001, &com_buff, 2);
1027	/* Analogue input 2 right channel: */
1028	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1029			1, 0x21, 0x0115, 0x4001, &com_buff, 2);
1030	/* Analogue input 3 left channel: */
1031	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1032			1, 0x21, 0x0118, 0x4001, &com_buff, 2);
1033	/* Analogue input 3 right channel: */
1034	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1035			1, 0x21, 0x0119, 0x4001, &com_buff, 2);
1036	/* Analogue input 4 left channel: */
1037	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1038			1, 0x21, 0x011c, 0x4001, &com_buff, 2);
1039	/* Analogue input 4 right channel: */
1040	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1041			1, 0x21, 0x011d, 0x4001, &com_buff, 2);
1042
1043	/* Set software sends to output */
1044	com_buff[0] = 0x00;
1045	com_buff[1] = 0x00;
1046	/* Analogue software return 1 left channel: */
1047	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1048			1, 0x21, 0x0100, 0x4001, &com_buff, 2);
1049	com_buff[0] = 0x00;
1050	com_buff[1] = 0x80;
1051	/* Analogue software return 1 right channel: */
1052	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1053			1, 0x21, 0x0101, 0x4001, &com_buff, 2);
1054	com_buff[0] = 0x00;
1055	com_buff[1] = 0x80;
1056	/* Analogue software return 2 left channel: */
1057	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1058			1, 0x21, 0x0104, 0x4001, &com_buff, 2);
1059	com_buff[0] = 0x00;
1060	com_buff[1] = 0x00;
1061	/* Analogue software return 2 right channel: */
1062	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1063			1, 0x21, 0x0105, 0x4001, &com_buff, 2);
1064
1065	com_buff[0] = 0x00;
1066	com_buff[1] = 0x80;
1067	/* Analogue software return 3 left channel: */
1068	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1069			1, 0x21, 0x0108, 0x4001, &com_buff, 2);
1070	/* Analogue software return 3 right channel: */
1071	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1072			1, 0x21, 0x0109, 0x4001, &com_buff, 2);
1073	/* Analogue software return 4 left channel: */
1074	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1075			1, 0x21, 0x010c, 0x4001, &com_buff, 2);
1076	/* Analogue software return 4 right channel: */
1077	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1078			1, 0x21, 0x010d, 0x4001, &com_buff, 2);
1079
1080	/* Return to muting sends */
1081	com_buff[0] = 0x00;
1082	com_buff[1] = 0x80;
1083	/* Analogue fx return left channel: */
1084	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1085			1, 0x21, 0x0120, 0x4001, &com_buff, 2);
1086	/* Analogue fx return right channel: */
1087	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1088			1, 0x21, 0x0121, 0x4001, &com_buff, 2);
1089
1090	/* Analogue software input 1 fx send: */
1091	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1092			1, 0x21, 0x0100, 0x4201, &com_buff, 2);
1093	/* Analogue software input 2 fx send: */
1094	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1095			1, 0x21, 0x0101, 0x4201, &com_buff, 2);
1096	/* Analogue software input 3 fx send: */
1097	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1098			1, 0x21, 0x0102, 0x4201, &com_buff, 2);
1099	/* Analogue software input 4 fx send: */
1100	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1101			1, 0x21, 0x0103, 0x4201, &com_buff, 2);
1102	/* Analogue input 1 fx send: */
1103	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1104			1, 0x21, 0x0104, 0x4201, &com_buff, 2);
1105	/* Analogue input 2 fx send: */
1106	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1107			1, 0x21, 0x0105, 0x4201, &com_buff, 2);
1108	/* Analogue input 3 fx send: */
1109	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1110			1, 0x21, 0x0106, 0x4201, &com_buff, 2);
1111	/* Analogue input 4 fx send: */
1112	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1113			1, 0x21, 0x0107, 0x4201, &com_buff, 2);
1114
1115	/* Toggle allowing host control */
1116	com_buff[0] = 0x02;
1117	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1118			3, 0x21, 0x0000, 0x2001, &com_buff, 1);
1119
1120	/* Do not dim fx returns */
1121	com_buff[0] = 0x00;
1122	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1123			3, 0x21, 0x0002, 0x2001, &com_buff, 1);
1124
1125	/* Do not set fx returns to mono */
1126	com_buff[0] = 0x00;
1127	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1128			3, 0x21, 0x0001, 0x2001, &com_buff, 1);
1129
1130	/* Mute the S/PDIF hardware loopback
1131	 * same odd volume logic here as above
1132	 */
1133	com_buff[0] = 0x00;
1134	com_buff[1] = 0x80;
1135	/* S/PDIF hardware input 1 left channel */
1136	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1137			1, 0x21, 0x0112, 0x4001, &com_buff, 2);
1138	/* S/PDIF hardware input 1 right channel */
1139	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1140			1, 0x21, 0x0113, 0x4001, &com_buff, 2);
1141	/* S/PDIF hardware input 2 left channel */
1142	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1143			1, 0x21, 0x0116, 0x4001, &com_buff, 2);
1144	/* S/PDIF hardware input 2 right channel */
1145	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1146			1, 0x21, 0x0117, 0x4001, &com_buff, 2);
1147	/* S/PDIF hardware input 3 left channel */
1148	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1149			1, 0x21, 0x011a, 0x4001, &com_buff, 2);
1150	/* S/PDIF hardware input 3 right channel */
1151	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1152			1, 0x21, 0x011b, 0x4001, &com_buff, 2);
1153	/* S/PDIF hardware input 4 left channel */
1154	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1155			1, 0x21, 0x011e, 0x4001, &com_buff, 2);
1156	/* S/PDIF hardware input 4 right channel */
1157	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1158			1, 0x21, 0x011f, 0x4001, &com_buff, 2);
1159	/* S/PDIF software return 1 left channel */
1160	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1161			1, 0x21, 0x0102, 0x4001, &com_buff, 2);
1162	/* S/PDIF software return 1 right channel */
1163	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1164			1, 0x21, 0x0103, 0x4001, &com_buff, 2);
1165	/* S/PDIF software return 2 left channel */
1166	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1167			1, 0x21, 0x0106, 0x4001, &com_buff, 2);
1168	/* S/PDIF software return 2 right channel */
1169	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1170			1, 0x21, 0x0107, 0x4001, &com_buff, 2);
1171
1172	com_buff[0] = 0x00;
1173	com_buff[1] = 0x00;
1174	/* S/PDIF software return 3 left channel */
1175	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1176			1, 0x21, 0x010a, 0x4001, &com_buff, 2);
1177
1178	com_buff[0] = 0x00;
1179	com_buff[1] = 0x80;
1180	/* S/PDIF software return 3 right channel */
1181	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1182			1, 0x21, 0x010b, 0x4001, &com_buff, 2);
1183	/* S/PDIF software return 4 left channel */
1184	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1185			1, 0x21, 0x010e, 0x4001, &com_buff, 2);
1186
1187	com_buff[0] = 0x00;
1188	com_buff[1] = 0x00;
1189	/* S/PDIF software return 4 right channel */
1190	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1191			1, 0x21, 0x010f, 0x4001, &com_buff, 2);
1192
1193	com_buff[0] = 0x00;
1194	com_buff[1] = 0x80;
1195	/* S/PDIF fx returns left channel */
1196	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1197			1, 0x21, 0x0122, 0x4001, &com_buff, 2);
1198	/* S/PDIF fx returns right channel */
1199	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1200			1, 0x21, 0x0123, 0x4001, &com_buff, 2);
1201
1202	/* Set the dropdown "Effect" to the first option */
1203	/* Room1  = 0x00 */
1204	/* Room2  = 0x01 */
1205	/* Room3  = 0x02 */
1206	/* Hall 1 = 0x03 */
1207	/* Hall 2 = 0x04 */
1208	/* Plate  = 0x05 */
1209	/* Delay  = 0x06 */
1210	/* Echo   = 0x07 */
1211	com_buff[0] = 0x00;
1212	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1213			1, 0x21, 0x0200, 0x4301, &com_buff, 1);	/* max is 0xff */
1214	/* min is 0x00 */
1215
1216
1217	/* Set the effect duration to 0 */
1218	/* max is 0xffff */
1219	/* min is 0x0000 */
1220	com_buff[0] = 0x00;
1221	com_buff[1] = 0x00;
1222	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1223			1, 0x21, 0x0400, 0x4301, &com_buff, 2);
1224
1225	/* Set the effect volume and feedback to 0 */
1226	/* max is 0xff */
1227	/* min is 0x00 */
1228	com_buff[0] = 0x00;
1229	/* feedback: */
1230	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1231			1, 0x21, 0x0500, 0x4301, &com_buff, 1);
1232	/* volume: */
1233	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1234			1, 0x21, 0x0300, 0x4301, &com_buff, 1);
1235
1236	/* Set soft button hold duration */
1237	/* 0x03 = 250ms */
1238	/* 0x05 = 500ms DEFAULT */
1239	/* 0x08 = 750ms */
1240	/* 0x0a = 1sec */
1241	com_buff[0] = 0x05;
1242	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1243			3, 0x21, 0x0005, 0x2001, &com_buff, 1);
1244
1245	/* Use dim LEDs for button of state */
1246	com_buff[0] = 0x00;
1247	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
1248			3, 0x21, 0x0004, 0x2001, &com_buff, 1);
1249}
1250
1251#define MBOX3_DESCRIPTOR_SIZE	464
1252
1253static int snd_usb_mbox3_boot_quirk(struct usb_device *dev)
1254{
1255	struct usb_host_config *config = dev->actconfig;
1256	int err;
1257	int descriptor_size;
1258
1259	descriptor_size = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
1260
1261	if (descriptor_size != MBOX3_DESCRIPTOR_SIZE) {
1262		dev_err(&dev->dev, "Invalid descriptor size=%d.\n", descriptor_size);
1263		return -ENODEV;
1264	}
1265
1266	dev_dbg(&dev->dev, "device initialised!\n");
1267
1268	err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
1269		&dev->descriptor, sizeof(dev->descriptor));
1270	config = dev->actconfig;
1271	if (err < 0)
1272		dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
1273
1274	err = usb_reset_configuration(dev);
1275	if (err < 0)
1276		dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
1277	dev_dbg(&dev->dev, "mbox3_boot: new boot length = %d\n",
1278		le16_to_cpu(get_cfg_desc(config)->wTotalLength));
1279
1280	mbox3_setup_48_24_magic(dev);
1281	dev_info(&dev->dev, "Digidesign Mbox 3: 24bit 48kHz");
1282
1283	return 0; /* Successful boot */
1284}
1285
1286#define MICROBOOK_BUF_SIZE 128
1287
1288static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf,
1289						int buf_size, int *length)
1290{
1291	int err, actual_length;
1292
1293	if (usb_pipe_type_check(dev, usb_sndintpipe(dev, 0x01)))
1294		return -EINVAL;
1295	err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length,
1296				&actual_length, 1000);
1297	if (err < 0)
1298		return err;
1299
1300	print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1,
1301		       buf, actual_length, false);
1302
1303	memset(buf, 0, buf_size);
1304
1305	if (usb_pipe_type_check(dev, usb_rcvintpipe(dev, 0x82)))
1306		return -EINVAL;
1307	err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size,
1308				&actual_length, 1000);
1309	if (err < 0)
1310		return err;
1311
1312	print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1,
1313		       buf, actual_length, false);
1314
1315	*length = actual_length;
1316	return 0;
1317}
1318
1319static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev)
1320{
1321	int err, actual_length, poll_attempts = 0;
1322	static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00,
1323						 0x00, 0x00, 0x0b, 0x14,
1324						 0x00, 0x00, 0x00, 0x01 };
1325	static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00,
1326					     0x00, 0x00, 0x0b, 0x18 };
1327	u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL);
1328
1329	if (!buf)
1330		return -ENOMEM;
1331
1332	dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n");
1333
1334	/* First we tell the device which sample rate to use. */
1335	memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq));
1336	actual_length = sizeof(set_samplerate_seq);
1337	err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE,
1338						   &actual_length);
1339
1340	if (err < 0) {
1341		dev_err(&dev->dev,
1342			"failed setting the sample rate for Motu MicroBook II: %d\n",
1343			err);
1344		goto free_buf;
1345	}
1346
1347	/* Then we poll every 100 ms until the device informs of its readiness. */
1348	while (true) {
1349		if (++poll_attempts > 100) {
1350			dev_err(&dev->dev,
1351				"failed booting Motu MicroBook II: timeout\n");
1352			err = -ENODEV;
1353			goto free_buf;
1354		}
1355
1356		memset(buf, 0, MICROBOOK_BUF_SIZE);
1357		memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq));
1358
1359		actual_length = sizeof(poll_ready_seq);
1360		err = snd_usb_motu_microbookii_communicate(
1361			dev, buf, MICROBOOK_BUF_SIZE, &actual_length);
1362		if (err < 0) {
1363			dev_err(&dev->dev,
1364				"failed booting Motu MicroBook II: communication error %d\n",
1365				err);
1366			goto free_buf;
1367		}
1368
1369		/* the device signals its readiness through a message of the
1370		 * form
1371		 *           XX 06 00 00 00 00 0b 18  00 00 00 01
1372		 * If the device is not yet ready to accept audio data, the
1373		 * last byte of that sequence is 00.
1374		 */
1375		if (actual_length == 12 && buf[actual_length - 1] == 1)
1376			break;
1377
1378		msleep(100);
1379	}
1380
1381	dev_info(&dev->dev, "MOTU MicroBook II ready\n");
1382
1383free_buf:
1384	kfree(buf);
1385	return err;
1386}
1387
1388static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev)
1389{
1390	msleep(4000);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1391
1392	return 0;
1393}
1394
1395/*
1396 * Setup quirks
1397 */
1398#define MAUDIO_SET		0x01 /* parse device_setup */
1399#define MAUDIO_SET_COMPATIBLE	0x80 /* use only "win-compatible" interfaces */
1400#define MAUDIO_SET_DTS		0x02 /* enable DTS Digital Output */
1401#define MAUDIO_SET_96K		0x04 /* 48-96kHz rate if set, 8-48kHz otherwise */
1402#define MAUDIO_SET_24B		0x08 /* 24bits sample if set, 16bits otherwise */
1403#define MAUDIO_SET_DI		0x10 /* enable Digital Input */
1404#define MAUDIO_SET_MASK		0x1f /* bit mask for setup value */
1405#define MAUDIO_SET_24B_48K_DI	 0x19 /* 24bits+48kHz+Digital Input */
1406#define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48kHz+No Digital Input */
1407#define MAUDIO_SET_16B_48K_DI	 0x11 /* 16bits+48kHz+Digital Input */
1408#define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48kHz+No Digital Input */
1409
1410static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
1411				      int iface, int altno)
1412{
1413	/* Reset ALL ifaces to 0 altsetting.
1414	 * Call it for every possible altsetting of every interface.
1415	 */
1416	usb_set_interface(chip->dev, iface, 0);
1417	if (chip->setup & MAUDIO_SET) {
1418		if (chip->setup & MAUDIO_SET_COMPATIBLE) {
1419			if (iface != 1 && iface != 2)
1420				return 1; /* skip all interfaces but 1 and 2 */
1421		} else {
1422			unsigned int mask;
1423			if (iface == 1 || iface == 2)
1424				return 1; /* skip interfaces 1 and 2 */
1425			if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1426				return 1; /* skip this altsetting */
1427			mask = chip->setup & MAUDIO_SET_MASK;
1428			if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1429				return 1; /* skip this altsetting */
1430			if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1431				return 1; /* skip this altsetting */
1432			if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
1433				return 1; /* skip this altsetting */
1434		}
1435	}
1436	usb_audio_dbg(chip,
1437		    "using altsetting %d for interface %d config %d\n",
1438		    altno, iface, chip->setup);
1439	return 0; /* keep this altsetting */
1440}
1441
1442static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
1443					 int iface,
1444					 int altno)
1445{
1446	/* Reset ALL ifaces to 0 altsetting.
1447	 * Call it for every possible altsetting of every interface.
1448	 */
1449	usb_set_interface(chip->dev, iface, 0);
1450
1451	if (chip->setup & MAUDIO_SET) {
1452		unsigned int mask;
1453		if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
1454			return 1; /* skip this altsetting */
1455		if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1456			return 1; /* skip this altsetting */
1457		mask = chip->setup & MAUDIO_SET_MASK;
1458		if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1459			return 1; /* skip this altsetting */
1460		if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1461			return 1; /* skip this altsetting */
1462		if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
1463			return 1; /* skip this altsetting */
1464		if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
1465			return 1; /* skip this altsetting */
1466	}
1467
1468	return 0; /* keep this altsetting */
1469}
1470
1471static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
1472					   int iface, int altno)
1473{
1474	/* Reset ALL ifaces to 0 altsetting.
1475	 * Call it for every possible altsetting of every interface.
1476	 */
1477	usb_set_interface(chip->dev, iface, 0);
1478
1479	/* possible configuration where both inputs and only one output is
1480	 *used is not supported by the current setup
1481	 */
1482	if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
1483		if (chip->setup & MAUDIO_SET_96K) {
1484			if (altno != 3 && altno != 6)
1485				return 1;
1486		} else if (chip->setup & MAUDIO_SET_DI) {
1487			if (iface == 4)
1488				return 1; /* no analog input */
1489			if (altno != 2 && altno != 5)
1490				return 1; /* enable only altsets 2 and 5 */
1491		} else {
1492			if (iface == 5)
1493				return 1; /* disable digialt input */
1494			if (altno != 2 && altno != 5)
1495				return 1; /* enalbe only altsets 2 and 5 */
1496		}
1497	} else {
1498		/* keep only 16-Bit mode */
1499		if (altno != 1)
1500			return 1;
1501	}
1502
1503	usb_audio_dbg(chip,
1504		    "using altsetting %d for interface %d config %d\n",
1505		    altno, iface, chip->setup);
1506	return 0; /* keep this altsetting */
1507}
1508
1509static int s1810c_skip_setting_quirk(struct snd_usb_audio *chip,
1510					   int iface, int altno)
1511{
1512	/*
1513	 * Altno settings:
1514	 *
1515	 * Playback (Interface 1):
1516	 * 1: 6 Analog + 2 S/PDIF
1517	 * 2: 6 Analog + 2 S/PDIF
1518	 * 3: 6 Analog
1519	 *
1520	 * Capture (Interface 2):
1521	 * 1: 8 Analog + 2 S/PDIF + 8 ADAT
1522	 * 2: 8 Analog + 2 S/PDIF + 4 ADAT
1523	 * 3: 8 Analog
1524	 */
1525
1526	/*
1527	 * I'll leave 2 as the default one and
1528	 * use device_setup to switch to the
1529	 * other two.
1530	 */
1531	if ((chip->setup == 0 || chip->setup > 2) && altno != 2)
1532		return 1;
1533	else if (chip->setup == 1 && altno != 1)
1534		return 1;
1535	else if (chip->setup == 2 && altno != 3)
1536		return 1;
1537
1538	return 0;
1539}
1540
1541int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
1542				  int iface,
1543				  int altno)
1544{
1545	/* audiophile usb: skip altsets incompatible with device_setup */
1546	if (chip->usb_id == USB_ID(0x0763, 0x2003))
1547		return audiophile_skip_setting_quirk(chip, iface, altno);
1548	/* quattro usb: skip altsets incompatible with device_setup */
1549	if (chip->usb_id == USB_ID(0x0763, 0x2001))
1550		return quattro_skip_setting_quirk(chip, iface, altno);
1551	/* fasttrackpro usb: skip altsets incompatible with device_setup */
1552	if (chip->usb_id == USB_ID(0x0763, 0x2012))
1553		return fasttrackpro_skip_setting_quirk(chip, iface, altno);
1554	/* presonus studio 1810c: skip altsets incompatible with device_setup */
1555	if (chip->usb_id == USB_ID(0x194f, 0x010c))
1556		return s1810c_skip_setting_quirk(chip, iface, altno);
1557
1558
1559	return 0;
1560}
1561
1562int snd_usb_apply_boot_quirk(struct usb_device *dev,
1563			     struct usb_interface *intf,
1564			     const struct snd_usb_audio_quirk *quirk,
1565			     unsigned int id)
1566{
1567	switch (id) {
1568	case USB_ID(0x041e, 0x3000):
1569		/* SB Extigy needs special boot-up sequence */
1570		/* if more models come, this will go to the quirk list. */
1571		return snd_usb_extigy_boot_quirk(dev, intf);
1572
1573	case USB_ID(0x041e, 0x3020):
1574		/* SB Audigy 2 NX needs its own boot-up magic, too */
1575		return snd_usb_audigy2nx_boot_quirk(dev);
1576
1577	case USB_ID(0x10f5, 0x0200):
1578		/* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1579		return snd_usb_cm106_boot_quirk(dev);
1580
1581	case USB_ID(0x0d8c, 0x0102):
1582		/* C-Media CM6206 / CM106-Like Sound Device */
1583	case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1584		return snd_usb_cm6206_boot_quirk(dev);
1585
1586	case USB_ID(0x0dba, 0x3000):
1587		/* Digidesign Mbox 2 */
1588		return snd_usb_mbox2_boot_quirk(dev);
1589	case USB_ID(0x0dba, 0x5000):
1590		/* Digidesign Mbox 3 */
1591		return snd_usb_mbox3_boot_quirk(dev);
1592
1593
1594	case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1595	case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1596		return snd_usb_novation_boot_quirk(dev);
1597
1598	case USB_ID(0x133e, 0x0815):
1599		/* Access Music VirusTI Desktop */
1600		return snd_usb_accessmusic_boot_quirk(dev);
1601
1602	case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1603	case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1604	case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1605		return snd_usb_nativeinstruments_boot_quirk(dev);
1606	case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
1607		return snd_usb_fasttrackpro_boot_quirk(dev);
1608	case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1609		return snd_usb_gamecon780_boot_quirk(dev);
1610	case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */
1611		return snd_usb_axefx3_boot_quirk(dev);
1612	case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */
1613		/*
1614		 * For some reason interface 3 with vendor-spec class is
1615		 * detected on MicroBook IIc.
1616		 */
1617		if (get_iface_desc(intf->altsetting)->bInterfaceClass ==
1618		    USB_CLASS_VENDOR_SPEC &&
1619		    get_iface_desc(intf->altsetting)->bInterfaceNumber < 3)
1620			return snd_usb_motu_microbookii_boot_quirk(dev);
1621		break;
1622	}
1623
1624	return 0;
1625}
1626
1627int snd_usb_apply_boot_quirk_once(struct usb_device *dev,
1628				  struct usb_interface *intf,
1629				  const struct snd_usb_audio_quirk *quirk,
1630				  unsigned int id)
1631{
1632	switch (id) {
1633	case USB_ID(0x07fd, 0x0008): /* MOTU M Series, 1st hardware version */
1634		return snd_usb_motu_m_series_boot_quirk(dev);
1635	}
1636
1637	return 0;
1638}
1639
1640/*
1641 * check if the device uses big-endian samples
1642 */
1643int snd_usb_is_big_endian_format(struct snd_usb_audio *chip,
1644				 const struct audioformat *fp)
1645{
1646	/* it depends on altsetting whether the device is big-endian or not */
1647	switch (chip->usb_id) {
1648	case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1649		if (fp->altsetting == 2 || fp->altsetting == 3 ||
1650			fp->altsetting == 5 || fp->altsetting == 6)
1651			return 1;
1652		break;
1653	case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1654		if (chip->setup == 0x00 ||
1655			fp->altsetting == 1 || fp->altsetting == 2 ||
1656			fp->altsetting == 3)
1657			return 1;
1658		break;
1659	case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1660		if (fp->altsetting == 2 || fp->altsetting == 3 ||
1661			fp->altsetting == 5 || fp->altsetting == 6)
1662			return 1;
1663		break;
1664	}
1665	return 0;
1666}
1667
1668/*
1669 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1670 * not for interface.
1671 */
1672
1673enum {
1674	EMU_QUIRK_SR_44100HZ = 0,
1675	EMU_QUIRK_SR_48000HZ,
1676	EMU_QUIRK_SR_88200HZ,
1677	EMU_QUIRK_SR_96000HZ,
1678	EMU_QUIRK_SR_176400HZ,
1679	EMU_QUIRK_SR_192000HZ
1680};
1681
1682static void set_format_emu_quirk(struct snd_usb_substream *subs,
1683				 const struct audioformat *fmt)
1684{
1685	unsigned char emu_samplerate_id = 0;
1686
1687	/* When capture is active
1688	 * sample rate shouldn't be changed
1689	 * by playback substream
1690	 */
1691	if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1692		if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].cur_audiofmt)
1693			return;
1694	}
1695
1696	switch (fmt->rate_min) {
1697	case 48000:
1698		emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
1699		break;
1700	case 88200:
1701		emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
1702		break;
1703	case 96000:
1704		emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
1705		break;
1706	case 176400:
1707		emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
1708		break;
1709	case 192000:
1710		emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
1711		break;
1712	default:
1713		emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
1714		break;
1715	}
1716	snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
1717	subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
1718}
1719
1720static int pioneer_djm_set_format_quirk(struct snd_usb_substream *subs,
1721					u16 windex)
 
 
 
 
1722{
1723	unsigned int cur_rate = subs->data_endpoint->cur_rate;
 
1724	u8 sr[3];
1725	// Convert to little endian
1726	sr[0] = cur_rate & 0xff;
1727	sr[1] = (cur_rate >> 8) & 0xff;
1728	sr[2] = (cur_rate >> 16) & 0xff;
 
 
1729	usb_set_interface(subs->dev, 0, 1);
1730	// we should derive windex from fmt-sync_ep but it's not set
1731	snd_usb_ctl_msg(subs->stream->chip->dev,
1732		usb_sndctrlpipe(subs->stream->chip->dev, 0),
1733		0x01, 0x22, 0x0100, windex, &sr, 0x0003);
 
1734	return 0;
1735}
1736
1737void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
1738			      const struct audioformat *fmt)
1739{
1740	switch (subs->stream->chip->usb_id) {
1741	case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1742	case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1743	case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1744	case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1745		set_format_emu_quirk(subs, fmt);
1746		break;
1747	case USB_ID(0x534d, 0x0021): /* MacroSilicon MS2100/MS2106 */
 
 
 
1748	case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
1749		subs->stream_offset_adj = 2;
1750		break;
1751	case USB_ID(0x2b73, 0x0013): /* Pioneer DJM-450 */
1752		pioneer_djm_set_format_quirk(subs, 0x0082);
1753		break;
1754	case USB_ID(0x08e4, 0x017f): /* Pioneer DJM-750 */
1755	case USB_ID(0x08e4, 0x0163): /* Pioneer DJM-850 */
1756		pioneer_djm_set_format_quirk(subs, 0x0086);
1757		break;
1758	}
1759}
1760
1761int snd_usb_select_mode_quirk(struct snd_usb_audio *chip,
1762			      const struct audioformat *fmt)
1763{
1764	struct usb_device *dev = chip->dev;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1765	int err;
1766
1767	if (chip->quirk_flags & QUIRK_FLAG_ITF_USB_DSD_DAC) {
1768		/* First switch to alt set 0, otherwise the mode switch cmd
1769		 * will not be accepted by the DAC
1770		 */
1771		err = usb_set_interface(dev, fmt->iface, 0);
1772		if (err < 0)
1773			return err;
1774
1775		msleep(20); /* Delay needed after setting the interface */
1776
1777		/* Vendor mode switch cmd is required. */
1778		if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
1779			/* DSD mode (DSD_U32) requested */
1780			err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1781					      USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1782					      1, 1, NULL, 0);
1783			if (err < 0)
1784				return err;
1785
1786		} else {
1787			/* PCM or DOP mode (S32) requested */
1788			/* PCM mode (S16) requested */
1789			err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1790					      USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1791					      0, 1, NULL, 0);
1792			if (err < 0)
1793				return err;
1794
1795		}
1796		msleep(20);
1797	}
1798	return 0;
1799}
1800
1801void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
1802{
1803	/*
1804	 * "Playback Design" products send bogus feedback data at the start
1805	 * of the stream. Ignore them.
1806	 */
1807	if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
1808	    ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
1809		ep->skip_packets = 4;
1810
1811	/*
1812	 * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1813	 * world latency varies by approx. +/- 50 frames (at 96kHz) each time
1814	 * the stream is (re)started. When skipping packets 16 at endpoint
1815	 * start up, the real world latency is stable within +/- 1 frame (also
1816	 * across power cycles).
1817	 */
1818	if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
1819	     ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
1820	    ep->type == SND_USB_ENDPOINT_TYPE_DATA)
1821		ep->skip_packets = 16;
1822
1823	/* Work around devices that report unreasonable feedback data */
1824	if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) ||  /* TEAC UD-H01 */
1825	     ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */
1826	    ep->syncmaxsize == 4)
1827		ep->tenor_fb_quirk = 1;
1828}
1829
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1830/* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
1831void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
1832			   __u8 request, __u8 requesttype, __u16 value,
1833			   __u16 index, void *data, __u16 size)
1834{
1835	struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1836
1837	if (!chip || (requesttype & USB_TYPE_MASK) != USB_TYPE_CLASS)
1838		return;
 
 
 
 
 
 
 
1839
1840	if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY)
 
 
 
 
 
1841		msleep(20);
1842	else if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY_1M)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1843		usleep_range(1000, 2000);
1844	else if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY_5M)
 
 
 
 
 
 
1845		usleep_range(5000, 6000);
1846}
1847
1848/*
1849 * snd_usb_interface_dsd_format_quirks() is called from format.c to
1850 * augment the PCM format bit-field for DSD types. The UAC standards
1851 * don't have a designated bit field to denote DSD-capable interfaces,
1852 * hence all hardware that is known to support this format has to be
1853 * listed here.
1854 */
1855u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
1856					struct audioformat *fp,
1857					unsigned int sample_bytes)
1858{
1859	struct usb_interface *iface;
1860
1861	/* Playback Designs */
1862	if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1863	    USB_ID_PRODUCT(chip->usb_id) < 0x0110) {
1864		switch (fp->altsetting) {
1865		case 1:
1866			fp->dsd_dop = true;
1867			return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1868		case 2:
1869			fp->dsd_bitrev = true;
1870			return SNDRV_PCM_FMTBIT_DSD_U8;
1871		case 3:
1872			fp->dsd_bitrev = true;
1873			return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1874		}
1875	}
1876
1877	/* XMOS based USB DACs */
1878	switch (chip->usb_id) {
1879	case USB_ID(0x139f, 0x5504): /* Nagra DAC */
1880	case USB_ID(0x20b1, 0x3089): /* Mola-Mola DAC */
1881	case USB_ID(0x2522, 0x0007): /* LH Labs Geek Out 1V5 */
1882	case USB_ID(0x2522, 0x0009): /* LH Labs Geek Pulse X Inifinity 2V0 */
1883	case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
1884	case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
1885		if (fp->altsetting == 2)
1886			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1887		break;
1888
1889	case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
1890	case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
1891	case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */
1892	case USB_ID(0x16d0, 0x06b4): /* NuPrime Audio HD-AVP/AVA */
1893	case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
1894	case USB_ID(0x16d0, 0x09d8): /* NuPrime IDA-8 */
1895	case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
1896	case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
1897	case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
1898	case USB_ID(0x20a0, 0x4143): /* WaveIO USB Audio 2.0 */
1899	case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
1900	case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
1901	case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
1902	case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */
1903	case USB_ID(0x278b, 0x5100): /* Rotel RC-1590 */
1904	case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */
1905	case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */
1906	case USB_ID(0x6b42, 0x0042): /* MSB Technology */
1907		if (fp->altsetting == 3)
1908			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1909		break;
1910
1911	/* Amanero Combo384 USB based DACs with native DSD support */
1912	case USB_ID(0x16d0, 0x071a):  /* Amanero - Combo384 */
 
 
 
1913		if (fp->altsetting == 2) {
1914			switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
1915			case 0x199:
1916				return SNDRV_PCM_FMTBIT_DSD_U32_LE;
1917			case 0x19b:
1918			case 0x203:
1919				return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1920			default:
1921				break;
1922			}
1923		}
1924		break;
1925	case USB_ID(0x16d0, 0x0a23):
1926		if (fp->altsetting == 2)
1927			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1928		break;
1929
1930	default:
1931		break;
1932	}
1933
1934	/* ITF-USB DSD based DACs */
1935	if (chip->quirk_flags & QUIRK_FLAG_ITF_USB_DSD_DAC) {
1936		iface = usb_ifnum_to_if(chip->dev, fp->iface);
1937
1938		/* Altsetting 2 support native DSD if the num of altsets is
1939		 * three (0-2),
1940		 * Altsetting 3 support native DSD if the num of altsets is
1941		 * four (0-3).
1942		 */
1943		if (fp->altsetting == iface->num_altsetting - 1)
1944			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1945	}
1946
1947	/* Mostly generic method to detect many DSD-capable implementations */
1948	if ((chip->quirk_flags & QUIRK_FLAG_DSD_RAW) && fp->dsd_raw)
1949		return SNDRV_PCM_FMTBIT_DSD_U32_BE;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1950
1951	return 0;
1952}
1953
1954void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
1955					  struct audioformat *fp,
1956					  int stream)
1957{
1958	switch (chip->usb_id) {
1959	case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
1960		/* Optoplay sets the sample rate attribute although
1961		 * it seems not supporting it in fact.
1962		 */
1963		fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
1964		break;
1965	case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
1966	case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1967		/* doesn't set the sample rate attribute, but supports it */
1968		fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
1969		break;
1970	case USB_ID(0x0763, 0x2001):  /* M-Audio Quattro USB */
1971	case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
1972	case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
1973	case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
1974					an older model 77d:223) */
1975	/*
1976	 * plantronics headset and Griffin iMic have set adaptive-in
1977	 * although it's really not...
1978	 */
1979		fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
1980		if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1981			fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
1982		else
1983			fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
1984		break;
1985	case USB_ID(0x07fd, 0x0004):  /* MOTU MicroBook IIc */
1986		/*
1987		 * MaxPacketsOnly attribute is erroneously set in endpoint
1988		 * descriptors. As a result this card produces noise with
1989		 * all sample rates other than 96 kHz.
1990		 */
1991		fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX;
1992		break;
1993	case USB_ID(0x1224, 0x2a25):  /* Jieli Technology USB PHY 2.0 */
1994		/* mic works only when ep packet size is set to wMaxPacketSize */
1995		fp->attributes |= UAC_EP_CS_ATTR_FILL_MAX;
1996		break;
1997	case USB_ID(0x3511, 0x2b1e): /* Opencomm2 UC USB Bluetooth dongle */
1998		/* mic works only when ep pitch control is not set */
1999		if (stream == SNDRV_PCM_STREAM_CAPTURE)
2000			fp->attributes &= ~UAC_EP_CS_ATTR_PITCH_CONTROL;
2001		break;
2002	}
2003}
2004
2005/*
2006 * driver behavior quirk flags
 
 
 
 
2007 */
2008struct usb_audio_quirk_flags_table {
2009	u32 id;
2010	u32 flags;
 
2011};
2012
2013#define DEVICE_FLG(vid, pid, _flags) \
2014	{ .id = USB_ID(vid, pid), .flags = (_flags) }
2015#define VENDOR_FLG(vid, _flags) DEVICE_FLG(vid, 0, _flags)
2016
2017static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
2018	/* Device matches */
2019	DEVICE_FLG(0x041e, 0x3000, /* Creative SB Extigy */
2020		   QUIRK_FLAG_IGNORE_CTL_ERROR),
2021	DEVICE_FLG(0x041e, 0x4080, /* Creative Live Cam VF0610 */
2022		   QUIRK_FLAG_GET_SAMPLE_RATE),
2023	DEVICE_FLG(0x045e, 0x083c, /* MS USB Link headset */
2024		   QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY |
2025		   QUIRK_FLAG_DISABLE_AUTOSUSPEND),
2026	DEVICE_FLG(0x046d, 0x084c, /* Logitech ConferenceCam Connect */
2027		   QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY_1M),
2028	DEVICE_FLG(0x046d, 0x0991, /* Logitech QuickCam Pro */
2029		   QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
2030	DEVICE_FLG(0x046d, 0x09a4, /* Logitech QuickCam E 3500 */
2031		   QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR),
2032	DEVICE_FLG(0x0499, 0x1509, /* Steinberg UR22 */
2033		   QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2034	DEVICE_FLG(0x0499, 0x3108, /* Yamaha YIT-W12TX */
2035		   QUIRK_FLAG_GET_SAMPLE_RATE),
2036	DEVICE_FLG(0x04d8, 0xfeea, /* Benchmark DAC1 Pre */
2037		   QUIRK_FLAG_GET_SAMPLE_RATE),
2038	DEVICE_FLG(0x04e8, 0xa051, /* Samsung USBC Headset (AKG) */
2039		   QUIRK_FLAG_SKIP_CLOCK_SELECTOR | QUIRK_FLAG_CTL_MSG_DELAY_5M),
2040	DEVICE_FLG(0x0525, 0xa4ad, /* Hamedal C20 usb camero */
2041		   QUIRK_FLAG_IFACE_SKIP_CLOSE),
2042	DEVICE_FLG(0x054c, 0x0b8c, /* Sony WALKMAN NW-A45 DAC */
2043		   QUIRK_FLAG_SET_IFACE_FIRST),
2044	DEVICE_FLG(0x0556, 0x0014, /* Phoenix Audio TMX320VC */
2045		   QUIRK_FLAG_GET_SAMPLE_RATE),
2046	DEVICE_FLG(0x05a3, 0x9420, /* ELP HD USB Camera */
2047		   QUIRK_FLAG_GET_SAMPLE_RATE),
2048	DEVICE_FLG(0x05a7, 0x1020, /* Bose Companion 5 */
2049		   QUIRK_FLAG_GET_SAMPLE_RATE),
2050	DEVICE_FLG(0x05e1, 0x0408, /* Syntek STK1160 */
2051		   QUIRK_FLAG_ALIGN_TRANSFER),
2052	DEVICE_FLG(0x05e1, 0x0480, /* Hauppauge Woodbury */
2053		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2054	DEVICE_FLG(0x0644, 0x8043, /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
2055		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
2056		   QUIRK_FLAG_IFACE_DELAY),
2057	DEVICE_FLG(0x0644, 0x8044, /* Esoteric D-05X */
2058		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
2059		   QUIRK_FLAG_IFACE_DELAY),
2060	DEVICE_FLG(0x0644, 0x804a, /* TEAC UD-301 */
2061		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
2062		   QUIRK_FLAG_IFACE_DELAY),
2063	DEVICE_FLG(0x0644, 0x805f, /* TEAC Model 12 */
2064		   QUIRK_FLAG_FORCE_IFACE_RESET),
2065	DEVICE_FLG(0x0644, 0x806b, /* TEAC UD-701 */
2066		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
2067		   QUIRK_FLAG_IFACE_DELAY),
2068	DEVICE_FLG(0x06f8, 0xb000, /* Hercules DJ Console (Windows Edition) */
2069		   QUIRK_FLAG_IGNORE_CTL_ERROR),
2070	DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */
2071		   QUIRK_FLAG_IGNORE_CTL_ERROR),
2072	DEVICE_FLG(0x0711, 0x5800, /* MCT Trigger 5 USB-to-HDMI */
2073		   QUIRK_FLAG_GET_SAMPLE_RATE),
2074	DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */
2075		   QUIRK_FLAG_GET_SAMPLE_RATE),
2076	DEVICE_FLG(0x0763, 0x2030, /* M-Audio Fast Track C400 */
2077		   QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2078	DEVICE_FLG(0x0763, 0x2031, /* M-Audio Fast Track C600 */
2079		   QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2080	DEVICE_FLG(0x07fd, 0x000b, /* MOTU M Series 2nd hardware revision */
2081		   QUIRK_FLAG_CTL_MSG_DELAY_1M),
2082	DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */
2083		   QUIRK_FLAG_IGNORE_CTL_ERROR),
2084	DEVICE_FLG(0x0951, 0x16ad, /* Kingston HyperX */
2085		   QUIRK_FLAG_CTL_MSG_DELAY_1M),
2086	DEVICE_FLG(0x0b0e, 0x0349, /* Jabra 550a */
2087		   QUIRK_FLAG_CTL_MSG_DELAY_1M),
2088	DEVICE_FLG(0x0ecb, 0x205c, /* JBL Quantum610 Wireless */
2089		   QUIRK_FLAG_FIXED_RATE),
2090	DEVICE_FLG(0x0ecb, 0x2069, /* JBL Quantum810 Wireless */
2091		   QUIRK_FLAG_FIXED_RATE),
2092	DEVICE_FLG(0x0fd9, 0x0008, /* Hauppauge HVR-950Q */
2093		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2094	DEVICE_FLG(0x1224, 0x2a25, /* Jieli Technology USB PHY 2.0 */
2095		   QUIRK_FLAG_GET_SAMPLE_RATE),
2096	DEVICE_FLG(0x1395, 0x740a, /* Sennheiser DECT */
2097		   QUIRK_FLAG_GET_SAMPLE_RATE),
2098	DEVICE_FLG(0x1397, 0x0507, /* Behringer UMC202HD */
2099		   QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2100	DEVICE_FLG(0x1397, 0x0508, /* Behringer UMC204HD */
2101		   QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2102	DEVICE_FLG(0x1397, 0x0509, /* Behringer UMC404HD */
2103		   QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2104	DEVICE_FLG(0x13e5, 0x0001, /* Serato Phono */
2105		   QUIRK_FLAG_IGNORE_CTL_ERROR),
2106	DEVICE_FLG(0x154e, 0x1002, /* Denon DCD-1500RE */
2107		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2108	DEVICE_FLG(0x154e, 0x1003, /* Denon DA-300USB */
2109		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2110	DEVICE_FLG(0x154e, 0x3005, /* Marantz HD-DAC1 */
2111		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2112	DEVICE_FLG(0x154e, 0x3006, /* Marantz SA-14S1 */
2113		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2114	DEVICE_FLG(0x154e, 0x300b, /* Marantz SA-KI RUBY / SA-12 */
2115		   QUIRK_FLAG_DSD_RAW),
2116	DEVICE_FLG(0x154e, 0x500e, /* Denon DN-X1600 */
2117		   QUIRK_FLAG_IGNORE_CLOCK_SOURCE),
2118	DEVICE_FLG(0x1686, 0x00dd, /* Zoom R16/24 */
2119		   QUIRK_FLAG_TX_LENGTH | QUIRK_FLAG_CTL_MSG_DELAY_1M),
2120	DEVICE_FLG(0x17aa, 0x1046, /* Lenovo ThinkStation P620 Rear Line-in, Line-out and Microphone */
2121		   QUIRK_FLAG_DISABLE_AUTOSUSPEND),
2122	DEVICE_FLG(0x17aa, 0x104d, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */
2123		   QUIRK_FLAG_DISABLE_AUTOSUSPEND),
2124	DEVICE_FLG(0x1852, 0x5065, /* Luxman DA-06 */
2125		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
2126	DEVICE_FLG(0x1901, 0x0191, /* GE B850V3 CP2114 audio interface */
2127		   QUIRK_FLAG_GET_SAMPLE_RATE),
2128	DEVICE_FLG(0x19f7, 0x0035, /* RODE NT-USB+ */
2129		   QUIRK_FLAG_GET_SAMPLE_RATE),
2130	DEVICE_FLG(0x1bcf, 0x2283, /* NexiGo N930AF FHD Webcam */
2131		   QUIRK_FLAG_GET_SAMPLE_RATE),
2132	DEVICE_FLG(0x2040, 0x7200, /* Hauppauge HVR-950Q */
2133		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2134	DEVICE_FLG(0x2040, 0x7201, /* Hauppauge HVR-950Q-MXL */
2135		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2136	DEVICE_FLG(0x2040, 0x7210, /* Hauppauge HVR-950Q */
2137		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2138	DEVICE_FLG(0x2040, 0x7211, /* Hauppauge HVR-950Q-MXL */
2139		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2140	DEVICE_FLG(0x2040, 0x7213, /* Hauppauge HVR-950Q */
2141		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2142	DEVICE_FLG(0x2040, 0x7217, /* Hauppauge HVR-950Q */
2143		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2144	DEVICE_FLG(0x2040, 0x721b, /* Hauppauge HVR-950Q */
2145		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2146	DEVICE_FLG(0x2040, 0x721e, /* Hauppauge HVR-950Q */
2147		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2148	DEVICE_FLG(0x2040, 0x721f, /* Hauppauge HVR-950Q */
2149		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2150	DEVICE_FLG(0x2040, 0x7240, /* Hauppauge HVR-850 */
2151		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2152	DEVICE_FLG(0x2040, 0x7260, /* Hauppauge HVR-950Q */
2153		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2154	DEVICE_FLG(0x2040, 0x7270, /* Hauppauge HVR-950Q */
2155		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2156	DEVICE_FLG(0x2040, 0x7280, /* Hauppauge HVR-950Q */
2157		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2158	DEVICE_FLG(0x2040, 0x7281, /* Hauppauge HVR-950Q-MXL */
2159		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2160	DEVICE_FLG(0x2040, 0x8200, /* Hauppauge Woodbury */
2161		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
2162	DEVICE_FLG(0x21b4, 0x0081, /* AudioQuest DragonFly */
2163		   QUIRK_FLAG_GET_SAMPLE_RATE),
2164	DEVICE_FLG(0x21b4, 0x0230, /* Ayre QB-9 Twenty */
2165		   QUIRK_FLAG_DSD_RAW),
2166	DEVICE_FLG(0x21b4, 0x0232, /* Ayre QX-5 Twenty */
2167		   QUIRK_FLAG_DSD_RAW),
2168	DEVICE_FLG(0x2522, 0x0007, /* LH Labs Geek Out HD Audio 1V5 */
2169		   QUIRK_FLAG_SET_IFACE_FIRST),
2170	DEVICE_FLG(0x2708, 0x0002, /* Audient iD14 */
2171		   QUIRK_FLAG_IGNORE_CTL_ERROR),
2172	DEVICE_FLG(0x2912, 0x30c8, /* Audioengine D1 */
2173		   QUIRK_FLAG_GET_SAMPLE_RATE),
2174	DEVICE_FLG(0x2b53, 0x0023, /* Fiero SC-01 (firmware v1.0.0 @ 48 kHz) */
2175		   QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2176	DEVICE_FLG(0x2b53, 0x0024, /* Fiero SC-01 (firmware v1.0.0 @ 96 kHz) */
2177		   QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2178	DEVICE_FLG(0x2b53, 0x0031, /* Fiero SC-01 (firmware v1.1.0) */
2179		   QUIRK_FLAG_GENERIC_IMPLICIT_FB),
2180	DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */
2181		   QUIRK_FLAG_IGNORE_CTL_ERROR),
2182	DEVICE_FLG(0x413c, 0xa506, /* Dell AE515 sound bar */
2183		   QUIRK_FLAG_GET_SAMPLE_RATE),
2184	DEVICE_FLG(0x534d, 0x0021, /* MacroSilicon MS2100/MS2106 */
2185		   QUIRK_FLAG_ALIGN_TRANSFER),
2186	DEVICE_FLG(0x534d, 0x2109, /* MacroSilicon MS2109 */
2187		   QUIRK_FLAG_ALIGN_TRANSFER),
2188
2189	/* Vendor matches */
2190	VENDOR_FLG(0x045e, /* MS Lifecam */
2191		   QUIRK_FLAG_GET_SAMPLE_RATE),
2192	VENDOR_FLG(0x046d, /* Logitech */
2193		   QUIRK_FLAG_CTL_MSG_DELAY_1M),
2194	VENDOR_FLG(0x047f, /* Plantronics */
2195		   QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY),
2196	VENDOR_FLG(0x0644, /* TEAC Corp. */
2197		   QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY),
2198	VENDOR_FLG(0x07fd, /* MOTU */
2199		   QUIRK_FLAG_VALIDATE_RATES),
2200	VENDOR_FLG(0x1235, /* Focusrite Novation */
2201		   QUIRK_FLAG_VALIDATE_RATES),
2202	VENDOR_FLG(0x1511, /* AURALiC */
2203		   QUIRK_FLAG_DSD_RAW),
2204	VENDOR_FLG(0x152a, /* Thesycon devices */
2205		   QUIRK_FLAG_DSD_RAW),
2206	VENDOR_FLG(0x18d1, /* iBasso devices */
2207		   QUIRK_FLAG_DSD_RAW),
2208	VENDOR_FLG(0x1de7, /* Phoenix Audio */
2209		   QUIRK_FLAG_GET_SAMPLE_RATE),
2210	VENDOR_FLG(0x20b1, /* XMOS based devices */
2211		   QUIRK_FLAG_DSD_RAW),
2212	VENDOR_FLG(0x21ed, /* Accuphase Laboratory */
2213		   QUIRK_FLAG_DSD_RAW),
2214	VENDOR_FLG(0x22d9, /* Oppo */
2215		   QUIRK_FLAG_DSD_RAW),
2216	VENDOR_FLG(0x23ba, /* Playback Design */
2217		   QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY |
2218		   QUIRK_FLAG_DSD_RAW),
2219	VENDOR_FLG(0x25ce, /* Mytek devices */
2220		   QUIRK_FLAG_DSD_RAW),
2221	VENDOR_FLG(0x278b, /* Rotel? */
2222		   QUIRK_FLAG_DSD_RAW),
2223	VENDOR_FLG(0x292b, /* Gustard/Ess based devices */
2224		   QUIRK_FLAG_DSD_RAW),
2225	VENDOR_FLG(0x2972, /* FiiO devices */
2226		   QUIRK_FLAG_DSD_RAW),
2227	VENDOR_FLG(0x2ab6, /* T+A devices */
2228		   QUIRK_FLAG_DSD_RAW),
2229	VENDOR_FLG(0x2afd, /* McIntosh Laboratory, Inc. */
2230		   QUIRK_FLAG_DSD_RAW),
2231	VENDOR_FLG(0x2d87, /* Cayin device */
2232		   QUIRK_FLAG_DSD_RAW),
2233	VENDOR_FLG(0x3336, /* HEM devices */
2234		   QUIRK_FLAG_DSD_RAW),
2235	VENDOR_FLG(0x3353, /* Khadas devices */
2236		   QUIRK_FLAG_DSD_RAW),
2237	VENDOR_FLG(0x35f4, /* MSB Technology */
2238		   QUIRK_FLAG_DSD_RAW),
2239	VENDOR_FLG(0x3842, /* EVGA */
2240		   QUIRK_FLAG_DSD_RAW),
2241	VENDOR_FLG(0xc502, /* HiBy devices */
2242		   QUIRK_FLAG_DSD_RAW),
2243
2244	{} /* terminator */
 
 
 
 
2245};
2246
2247void snd_usb_init_quirk_flags(struct snd_usb_audio *chip)
 
2248{
2249	const struct usb_audio_quirk_flags_table *p;
2250
2251	for (p = quirk_flags_table; p->id; p++) {
2252		if (chip->usb_id == p->id ||
2253		    (!USB_ID_PRODUCT(p->id) &&
2254		     USB_ID_VENDOR(chip->usb_id) == USB_ID_VENDOR(p->id))) {
2255			usb_audio_dbg(chip,
2256				      "Set quirk_flags 0x%x for device %04x:%04x\n",
2257				      p->flags, USB_ID_VENDOR(chip->usb_id),
2258				      USB_ID_PRODUCT(chip->usb_id));
2259			chip->quirk_flags |= p->flags;
2260			return;
2261		}
2262	}
2263}
v5.9
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 */
   4
   5#include <linux/init.h>
   6#include <linux/slab.h>
   7#include <linux/usb.h>
   8#include <linux/usb/audio.h>
   9#include <linux/usb/midi.h>
  10#include <linux/bits.h>
  11
  12#include <sound/control.h>
  13#include <sound/core.h>
  14#include <sound/info.h>
  15#include <sound/pcm.h>
  16
  17#include "usbaudio.h"
  18#include "card.h"
  19#include "mixer.h"
  20#include "mixer_quirks.h"
  21#include "midi.h"
 
  22#include "quirks.h"
  23#include "helper.h"
  24#include "endpoint.h"
  25#include "pcm.h"
  26#include "clock.h"
  27#include "stream.h"
  28
  29/*
  30 * handle the quirks for the contained interfaces
  31 */
  32static int create_composite_quirk(struct snd_usb_audio *chip,
  33				  struct usb_interface *iface,
  34				  struct usb_driver *driver,
  35				  const struct snd_usb_audio_quirk *quirk_comp)
  36{
  37	int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
  38	const struct snd_usb_audio_quirk *quirk;
  39	int err;
  40
  41	for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
  42		iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
  43		if (!iface)
  44			continue;
  45		if (quirk->ifnum != probed_ifnum &&
  46		    usb_interface_claimed(iface))
  47			continue;
  48		err = snd_usb_create_quirk(chip, iface, driver, quirk);
  49		if (err < 0)
  50			return err;
  51	}
  52
  53	for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) {
  54		iface = usb_ifnum_to_if(chip->dev, quirk->ifnum);
  55		if (!iface)
  56			continue;
  57		if (quirk->ifnum != probed_ifnum &&
  58		    !usb_interface_claimed(iface))
  59			usb_driver_claim_interface(driver, iface, (void *)-1L);
 
 
 
 
  60	}
  61
  62	return 0;
  63}
  64
  65static int ignore_interface_quirk(struct snd_usb_audio *chip,
  66				  struct usb_interface *iface,
  67				  struct usb_driver *driver,
  68				  const struct snd_usb_audio_quirk *quirk)
  69{
  70	return 0;
  71}
  72
  73
  74/*
  75 * Allow alignment on audio sub-slot (channel samples) rather than
  76 * on audio slots (audio frames)
  77 */
  78static int create_align_transfer_quirk(struct snd_usb_audio *chip,
  79				       struct usb_interface *iface,
  80				       struct usb_driver *driver,
  81				       const struct snd_usb_audio_quirk *quirk)
  82{
  83	chip->txfr_quirk = 1;
  84	return 1;	/* Continue with creating streams and mixer */
  85}
  86
  87static int create_any_midi_quirk(struct snd_usb_audio *chip,
  88				 struct usb_interface *intf,
  89				 struct usb_driver *driver,
  90				 const struct snd_usb_audio_quirk *quirk)
  91{
  92	return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk);
  93}
  94
  95/*
  96 * create a stream for an interface with proper descriptors
  97 */
  98static int create_standard_audio_quirk(struct snd_usb_audio *chip,
  99				       struct usb_interface *iface,
 100				       struct usb_driver *driver,
 101				       const struct snd_usb_audio_quirk *quirk)
 102{
 103	struct usb_host_interface *alts;
 104	struct usb_interface_descriptor *altsd;
 105	int err;
 106
 107	if (chip->usb_id == USB_ID(0x1686, 0x00dd)) /* Zoom R16/24 */
 108		chip->tx_length_quirk = 1;
 109
 110	alts = &iface->altsetting[0];
 111	altsd = get_iface_desc(alts);
 112	err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber);
 113	if (err < 0) {
 114		usb_audio_err(chip, "cannot setup if %d: error %d\n",
 115			   altsd->bInterfaceNumber, err);
 116		return err;
 117	}
 118	/* reset the current interface */
 119	usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0);
 120	return 0;
 121}
 122
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 123/*
 124 * create a stream for an endpoint/altsetting without proper descriptors
 125 */
 126static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
 127				     struct usb_interface *iface,
 128				     struct usb_driver *driver,
 129				     const struct snd_usb_audio_quirk *quirk)
 130{
 131	struct audioformat *fp;
 132	struct usb_host_interface *alts;
 133	struct usb_interface_descriptor *altsd;
 134	int stream, err;
 135	unsigned *rate_table = NULL;
 
 136
 137	fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL);
 138	if (!fp)
 139		return -ENOMEM;
 140
 141	INIT_LIST_HEAD(&fp->list);
 142	if (fp->nr_rates > MAX_NR_RATES) {
 143		kfree(fp);
 144		return -EINVAL;
 145	}
 146	if (fp->nr_rates > 0) {
 147		rate_table = kmemdup(fp->rate_table,
 148				     sizeof(int) * fp->nr_rates, GFP_KERNEL);
 149		if (!rate_table) {
 150			kfree(fp);
 151			return -ENOMEM;
 152		}
 153		fp->rate_table = rate_table;
 154	}
 155
 156	stream = (fp->endpoint & USB_DIR_IN)
 157		? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
 158	err = snd_usb_add_audio_stream(chip, stream, fp);
 159	if (err < 0)
 160		goto error;
 161	if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber ||
 162	    fp->altset_idx >= iface->num_altsetting) {
 163		err = -EINVAL;
 164		goto error;
 165	}
 166	alts = &iface->altsetting[fp->altset_idx];
 167	altsd = get_iface_desc(alts);
 168	if (altsd->bNumEndpoints < 1) {
 169		err = -EINVAL;
 170		goto error;
 171	}
 172
 173	fp->protocol = altsd->bInterfaceProtocol;
 174
 175	if (fp->datainterval == 0)
 176		fp->datainterval = snd_usb_parse_datainterval(chip, alts);
 177	if (fp->maxpacksize == 0)
 178		fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
 
 
 
 
 
 
 
 179	usb_set_interface(chip->dev, fp->iface, 0);
 180	snd_usb_init_pitch(chip, fp->iface, alts, fp);
 181	snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max);
 182	return 0;
 183
 184 error:
 185	list_del(&fp->list); /* unlink for avoiding double-free */
 186	kfree(fp);
 187	kfree(rate_table);
 188	return err;
 189}
 190
 191static int create_auto_pcm_quirk(struct snd_usb_audio *chip,
 192				 struct usb_interface *iface,
 193				 struct usb_driver *driver)
 194{
 195	struct usb_host_interface *alts;
 196	struct usb_interface_descriptor *altsd;
 197	struct usb_endpoint_descriptor *epd;
 198	struct uac1_as_header_descriptor *ashd;
 199	struct uac_format_type_i_discrete_descriptor *fmtd;
 200
 201	/*
 202	 * Most Roland/Yamaha audio streaming interfaces have more or less
 203	 * standard descriptors, but older devices might lack descriptors, and
 204	 * future ones might change, so ensure that we fail silently if the
 205	 * interface doesn't look exactly right.
 206	 */
 207
 208	/* must have a non-zero altsetting for streaming */
 209	if (iface->num_altsetting < 2)
 210		return -ENODEV;
 211	alts = &iface->altsetting[1];
 212	altsd = get_iface_desc(alts);
 213
 214	/* must have an isochronous endpoint for streaming */
 215	if (altsd->bNumEndpoints < 1)
 216		return -ENODEV;
 217	epd = get_endpoint(alts, 0);
 218	if (!usb_endpoint_xfer_isoc(epd))
 219		return -ENODEV;
 220
 221	/* must have format descriptors */
 222	ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
 223				       UAC_AS_GENERAL);
 224	fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL,
 225				       UAC_FORMAT_TYPE);
 226	if (!ashd || ashd->bLength < 7 ||
 227	    !fmtd || fmtd->bLength < 8)
 228		return -ENODEV;
 229
 230	return create_standard_audio_quirk(chip, iface, driver, NULL);
 231}
 232
 233static int create_yamaha_midi_quirk(struct snd_usb_audio *chip,
 234				    struct usb_interface *iface,
 235				    struct usb_driver *driver,
 236				    struct usb_host_interface *alts)
 237{
 238	static const struct snd_usb_audio_quirk yamaha_midi_quirk = {
 239		.type = QUIRK_MIDI_YAMAHA
 240	};
 241	struct usb_midi_in_jack_descriptor *injd;
 242	struct usb_midi_out_jack_descriptor *outjd;
 243
 244	/* must have some valid jack descriptors */
 245	injd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
 246				       NULL, USB_MS_MIDI_IN_JACK);
 247	outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen,
 248					NULL, USB_MS_MIDI_OUT_JACK);
 249	if (!injd && !outjd)
 250		return -ENODEV;
 251	if ((injd && !snd_usb_validate_midi_desc(injd)) ||
 252	    (outjd && !snd_usb_validate_midi_desc(outjd)))
 253		return -ENODEV;
 254	if (injd && (injd->bLength < 5 ||
 255		     (injd->bJackType != USB_MS_EMBEDDED &&
 256		      injd->bJackType != USB_MS_EXTERNAL)))
 257		return -ENODEV;
 258	if (outjd && (outjd->bLength < 6 ||
 259		      (outjd->bJackType != USB_MS_EMBEDDED &&
 260		       outjd->bJackType != USB_MS_EXTERNAL)))
 261		return -ENODEV;
 262	return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk);
 263}
 264
 265static int create_roland_midi_quirk(struct snd_usb_audio *chip,
 266				    struct usb_interface *iface,
 267				    struct usb_driver *driver,
 268				    struct usb_host_interface *alts)
 269{
 270	static const struct snd_usb_audio_quirk roland_midi_quirk = {
 271		.type = QUIRK_MIDI_ROLAND
 272	};
 273	u8 *roland_desc = NULL;
 274
 275	/* might have a vendor-specific descriptor <06 24 F1 02 ...> */
 276	for (;;) {
 277		roland_desc = snd_usb_find_csint_desc(alts->extra,
 278						      alts->extralen,
 279						      roland_desc, 0xf1);
 280		if (!roland_desc)
 281			return -ENODEV;
 282		if (roland_desc[0] < 6 || roland_desc[3] != 2)
 283			continue;
 284		return create_any_midi_quirk(chip, iface, driver,
 285					     &roland_midi_quirk);
 286	}
 287}
 288
 289static int create_std_midi_quirk(struct snd_usb_audio *chip,
 290				 struct usb_interface *iface,
 291				 struct usb_driver *driver,
 292				 struct usb_host_interface *alts)
 293{
 294	struct usb_ms_header_descriptor *mshd;
 295	struct usb_ms_endpoint_descriptor *msepd;
 296
 297	/* must have the MIDIStreaming interface header descriptor*/
 298	mshd = (struct usb_ms_header_descriptor *)alts->extra;
 299	if (alts->extralen < 7 ||
 300	    mshd->bLength < 7 ||
 301	    mshd->bDescriptorType != USB_DT_CS_INTERFACE ||
 302	    mshd->bDescriptorSubtype != USB_MS_HEADER)
 303		return -ENODEV;
 304	/* must have the MIDIStreaming endpoint descriptor*/
 305	msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra;
 306	if (alts->endpoint[0].extralen < 4 ||
 307	    msepd->bLength < 4 ||
 308	    msepd->bDescriptorType != USB_DT_CS_ENDPOINT ||
 309	    msepd->bDescriptorSubtype != UAC_MS_GENERAL ||
 310	    msepd->bNumEmbMIDIJack < 1 ||
 311	    msepd->bNumEmbMIDIJack > 16)
 312		return -ENODEV;
 313
 314	return create_any_midi_quirk(chip, iface, driver, NULL);
 315}
 316
 317static int create_auto_midi_quirk(struct snd_usb_audio *chip,
 318				  struct usb_interface *iface,
 319				  struct usb_driver *driver)
 320{
 321	struct usb_host_interface *alts;
 322	struct usb_interface_descriptor *altsd;
 323	struct usb_endpoint_descriptor *epd;
 324	int err;
 325
 326	alts = &iface->altsetting[0];
 327	altsd = get_iface_desc(alts);
 328
 329	/* must have at least one bulk/interrupt endpoint for streaming */
 330	if (altsd->bNumEndpoints < 1)
 331		return -ENODEV;
 332	epd = get_endpoint(alts, 0);
 333	if (!usb_endpoint_xfer_bulk(epd) &&
 334	    !usb_endpoint_xfer_int(epd))
 335		return -ENODEV;
 336
 337	switch (USB_ID_VENDOR(chip->usb_id)) {
 338	case 0x0499: /* Yamaha */
 339		err = create_yamaha_midi_quirk(chip, iface, driver, alts);
 340		if (err != -ENODEV)
 341			return err;
 342		break;
 343	case 0x0582: /* Roland */
 344		err = create_roland_midi_quirk(chip, iface, driver, alts);
 345		if (err != -ENODEV)
 346			return err;
 347		break;
 348	}
 349
 350	return create_std_midi_quirk(chip, iface, driver, alts);
 351}
 352
 353static int create_autodetect_quirk(struct snd_usb_audio *chip,
 354				   struct usb_interface *iface,
 355				   struct usb_driver *driver)
 
 356{
 357	int err;
 358
 359	err = create_auto_pcm_quirk(chip, iface, driver);
 360	if (err == -ENODEV)
 361		err = create_auto_midi_quirk(chip, iface, driver);
 362	return err;
 363}
 364
 365static int create_autodetect_quirks(struct snd_usb_audio *chip,
 366				    struct usb_interface *iface,
 367				    struct usb_driver *driver,
 368				    const struct snd_usb_audio_quirk *quirk)
 369{
 370	int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber;
 371	int ifcount, ifnum, err;
 372
 373	err = create_autodetect_quirk(chip, iface, driver);
 374	if (err < 0)
 375		return err;
 376
 377	/*
 378	 * ALSA PCM playback/capture devices cannot be registered in two steps,
 379	 * so we have to claim the other corresponding interface here.
 380	 */
 381	ifcount = chip->dev->actconfig->desc.bNumInterfaces;
 382	for (ifnum = 0; ifnum < ifcount; ifnum++) {
 383		if (ifnum == probed_ifnum || quirk->ifnum >= 0)
 384			continue;
 385		iface = usb_ifnum_to_if(chip->dev, ifnum);
 386		if (!iface ||
 387		    usb_interface_claimed(iface) ||
 388		    get_iface_desc(iface->altsetting)->bInterfaceClass !=
 389							USB_CLASS_VENDOR_SPEC)
 390			continue;
 391
 392		err = create_autodetect_quirk(chip, iface, driver);
 393		if (err >= 0)
 394			usb_driver_claim_interface(driver, iface, (void *)-1L);
 395	}
 396
 397	return 0;
 398}
 399
 400/*
 401 * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface.  
 402 * The only way to detect the sample rate is by looking at wMaxPacketSize.
 403 */
 404static int create_uaxx_quirk(struct snd_usb_audio *chip,
 405			     struct usb_interface *iface,
 406			     struct usb_driver *driver,
 407			     const struct snd_usb_audio_quirk *quirk)
 408{
 409	static const struct audioformat ua_format = {
 410		.formats = SNDRV_PCM_FMTBIT_S24_3LE,
 411		.channels = 2,
 412		.fmt_type = UAC_FORMAT_TYPE_I,
 413		.altsetting = 1,
 414		.altset_idx = 1,
 415		.rates = SNDRV_PCM_RATE_CONTINUOUS,
 416	};
 417	struct usb_host_interface *alts;
 418	struct usb_interface_descriptor *altsd;
 419	struct audioformat *fp;
 420	int stream, err;
 421
 422	/* both PCM and MIDI interfaces have 2 or more altsettings */
 423	if (iface->num_altsetting < 2)
 424		return -ENXIO;
 425	alts = &iface->altsetting[1];
 426	altsd = get_iface_desc(alts);
 427
 428	if (altsd->bNumEndpoints == 2) {
 429		static const struct snd_usb_midi_endpoint_info ua700_ep = {
 430			.out_cables = 0x0003,
 431			.in_cables  = 0x0003
 432		};
 433		static const struct snd_usb_audio_quirk ua700_quirk = {
 434			.type = QUIRK_MIDI_FIXED_ENDPOINT,
 435			.data = &ua700_ep
 436		};
 437		static const struct snd_usb_midi_endpoint_info uaxx_ep = {
 438			.out_cables = 0x0001,
 439			.in_cables  = 0x0001
 440		};
 441		static const struct snd_usb_audio_quirk uaxx_quirk = {
 442			.type = QUIRK_MIDI_FIXED_ENDPOINT,
 443			.data = &uaxx_ep
 444		};
 445		const struct snd_usb_audio_quirk *quirk =
 446			chip->usb_id == USB_ID(0x0582, 0x002b)
 447			? &ua700_quirk : &uaxx_quirk;
 448		return __snd_usbmidi_create(chip->card, iface,
 449					  &chip->midi_list, quirk,
 450					  chip->usb_id);
 
 451	}
 452
 453	if (altsd->bNumEndpoints != 1)
 454		return -ENXIO;
 455
 456	fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
 457	if (!fp)
 458		return -ENOMEM;
 459
 460	fp->iface = altsd->bInterfaceNumber;
 461	fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
 462	fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
 463	fp->datainterval = 0;
 464	fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
 465	INIT_LIST_HEAD(&fp->list);
 466
 467	switch (fp->maxpacksize) {
 468	case 0x120:
 469		fp->rate_max = fp->rate_min = 44100;
 470		break;
 471	case 0x138:
 472	case 0x140:
 473		fp->rate_max = fp->rate_min = 48000;
 474		break;
 475	case 0x258:
 476	case 0x260:
 477		fp->rate_max = fp->rate_min = 96000;
 478		break;
 479	default:
 480		usb_audio_err(chip, "unknown sample rate\n");
 481		kfree(fp);
 482		return -ENXIO;
 483	}
 484
 485	stream = (fp->endpoint & USB_DIR_IN)
 486		? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
 487	err = snd_usb_add_audio_stream(chip, stream, fp);
 488	if (err < 0) {
 489		list_del(&fp->list); /* unlink for avoiding double-free */
 490		kfree(fp);
 491		return err;
 492	}
 493	usb_set_interface(chip->dev, fp->iface, 0);
 494	return 0;
 495}
 496
 497/*
 498 * Create a standard mixer for the specified interface.
 499 */
 500static int create_standard_mixer_quirk(struct snd_usb_audio *chip,
 501				       struct usb_interface *iface,
 502				       struct usb_driver *driver,
 503				       const struct snd_usb_audio_quirk *quirk)
 504{
 505	if (quirk->ifnum < 0)
 506		return 0;
 507
 508	return snd_usb_create_mixer(chip, quirk->ifnum, 0);
 509}
 510
 511
 512static int setup_fmt_after_resume_quirk(struct snd_usb_audio *chip,
 513				       struct usb_interface *iface,
 514				       struct usb_driver *driver,
 515				       const struct snd_usb_audio_quirk *quirk)
 516{
 517	chip->setup_fmt_after_resume_quirk = 1;
 518	return 1;	/* Continue with creating streams and mixer */
 519}
 520
 521static int setup_disable_autosuspend(struct snd_usb_audio *chip,
 522				       struct usb_interface *iface,
 523				       struct usb_driver *driver,
 524				       const struct snd_usb_audio_quirk *quirk)
 525{
 526	driver->supports_autosuspend = 0;
 527	return 1;	/* Continue with creating streams and mixer */
 528}
 529
 530/*
 531 * audio-interface quirks
 532 *
 533 * returns zero if no standard audio/MIDI parsing is needed.
 534 * returns a positive value if standard audio/midi interfaces are parsed
 535 * after this.
 536 * returns a negative value at error.
 537 */
 538int snd_usb_create_quirk(struct snd_usb_audio *chip,
 539			 struct usb_interface *iface,
 540			 struct usb_driver *driver,
 541			 const struct snd_usb_audio_quirk *quirk)
 542{
 543	typedef int (*quirk_func_t)(struct snd_usb_audio *,
 544				    struct usb_interface *,
 545				    struct usb_driver *,
 546				    const struct snd_usb_audio_quirk *);
 547	static const quirk_func_t quirk_funcs[] = {
 548		[QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk,
 549		[QUIRK_COMPOSITE] = create_composite_quirk,
 550		[QUIRK_AUTODETECT] = create_autodetect_quirks,
 551		[QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
 552		[QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
 553		[QUIRK_MIDI_YAMAHA] = create_any_midi_quirk,
 554		[QUIRK_MIDI_ROLAND] = create_any_midi_quirk,
 555		[QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk,
 556		[QUIRK_MIDI_NOVATION] = create_any_midi_quirk,
 557		[QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk,
 558		[QUIRK_MIDI_EMAGIC] = create_any_midi_quirk,
 559		[QUIRK_MIDI_CME] = create_any_midi_quirk,
 560		[QUIRK_MIDI_AKAI] = create_any_midi_quirk,
 561		[QUIRK_MIDI_FTDI] = create_any_midi_quirk,
 562		[QUIRK_MIDI_CH345] = create_any_midi_quirk,
 563		[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
 564		[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
 565		[QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
 566		[QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk,
 567		[QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk,
 568		[QUIRK_SETUP_FMT_AFTER_RESUME] = setup_fmt_after_resume_quirk,
 569		[QUIRK_SETUP_DISABLE_AUTOSUSPEND] = setup_disable_autosuspend,
 570	};
 571
 572	if (quirk->type < QUIRK_TYPE_COUNT) {
 573		return quirk_funcs[quirk->type](chip, iface, driver, quirk);
 574	} else {
 575		usb_audio_err(chip, "invalid quirk type %d\n", quirk->type);
 576		return -ENXIO;
 577	}
 578}
 579
 580/*
 581 * boot quirks
 582 */
 583
 584#define EXTIGY_FIRMWARE_SIZE_OLD 794
 585#define EXTIGY_FIRMWARE_SIZE_NEW 483
 586
 587static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf)
 588{
 589	struct usb_host_config *config = dev->actconfig;
 590	int err;
 591
 592	if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
 593	    le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
 594		dev_dbg(&dev->dev, "sending Extigy boot sequence...\n");
 595		/* Send message to force it to reconnect with full interface. */
 596		err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
 597				      0x10, 0x43, 0x0001, 0x000a, NULL, 0);
 598		if (err < 0)
 599			dev_dbg(&dev->dev, "error sending boot message: %d\n", err);
 600		err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
 601				&dev->descriptor, sizeof(dev->descriptor));
 602		config = dev->actconfig;
 603		if (err < 0)
 604			dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
 605		err = usb_reset_configuration(dev);
 606		if (err < 0)
 607			dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
 608		dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n",
 609			    le16_to_cpu(get_cfg_desc(config)->wTotalLength));
 610		return -ENODEV; /* quit this anyway */
 611	}
 612	return 0;
 613}
 614
 615static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev)
 616{
 617	u8 buf = 1;
 618
 619	snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a,
 620			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 621			0, 0, &buf, 1);
 622	if (buf == 0) {
 623		snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29,
 624				USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
 625				1, 2000, NULL, 0);
 626		return -ENODEV;
 627	}
 628	return 0;
 629}
 630
 631static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
 632{
 633	int err;
 634
 635	if (dev->actconfig->desc.bConfigurationValue == 1) {
 636		dev_info(&dev->dev,
 637			   "Fast Track Pro switching to config #2\n");
 638		/* This function has to be available by the usb core module.
 639		 * if it is not avialable the boot quirk has to be left out
 640		 * and the configuration has to be set by udev or hotplug
 641		 * rules
 642		 */
 643		err = usb_driver_set_configuration(dev, 2);
 644		if (err < 0)
 645			dev_dbg(&dev->dev,
 646				"error usb_driver_set_configuration: %d\n",
 647				err);
 648		/* Always return an error, so that we stop creating a device
 649		   that will just be destroyed and recreated with a new
 650		   configuration */
 651		return -ENODEV;
 652	} else
 653		dev_info(&dev->dev, "Fast Track Pro config OK\n");
 654
 655	return 0;
 656}
 657
 658/*
 659 * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely
 660 * documented in the device's data sheet.
 661 */
 662static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value)
 663{
 664	u8 buf[4];
 665	buf[0] = 0x20;
 666	buf[1] = value & 0xff;
 667	buf[2] = (value >> 8) & 0xff;
 668	buf[3] = reg;
 669	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION,
 670			       USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT,
 671			       0, 0, &buf, 4);
 672}
 673
 674static int snd_usb_cm106_boot_quirk(struct usb_device *dev)
 675{
 676	/*
 677	 * Enable line-out driver mode, set headphone source to front
 678	 * channels, enable stereo mic.
 679	 */
 680	return snd_usb_cm106_write_int_reg(dev, 2, 0x8004);
 681}
 682
 683/*
 684 * CM6206 registers from the CM6206 datasheet rev 2.1
 685 */
 686#define CM6206_REG0_DMA_MASTER BIT(15)
 687#define CM6206_REG0_SPDIFO_RATE_48K (2 << 12)
 688#define CM6206_REG0_SPDIFO_RATE_96K (7 << 12)
 689/* Bit 4 thru 11 is the S/PDIF category code */
 690#define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4)
 691#define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3)
 692#define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2)
 693#define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1)
 694#define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0)
 695
 696#define CM6206_REG1_TEST_SEL_CLK BIT(14)
 697#define CM6206_REG1_PLLBIN_EN BIT(13)
 698#define CM6206_REG1_SOFT_MUTE_EN BIT(12)
 699#define CM6206_REG1_GPIO4_OUT BIT(11)
 700#define CM6206_REG1_GPIO4_OE BIT(10)
 701#define CM6206_REG1_GPIO3_OUT BIT(9)
 702#define CM6206_REG1_GPIO3_OE BIT(8)
 703#define CM6206_REG1_GPIO2_OUT BIT(7)
 704#define CM6206_REG1_GPIO2_OE BIT(6)
 705#define CM6206_REG1_GPIO1_OUT BIT(5)
 706#define CM6206_REG1_GPIO1_OE BIT(4)
 707#define CM6206_REG1_SPDIFO_INVALID BIT(3)
 708#define CM6206_REG1_SPDIF_LOOP_EN BIT(2)
 709#define CM6206_REG1_SPDIFO_DIS BIT(1)
 710#define CM6206_REG1_SPDIFI_MIX BIT(0)
 711
 712#define CM6206_REG2_DRIVER_ON BIT(15)
 713#define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13)
 714#define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13)
 715#define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13)
 716#define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13)
 717#define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12)
 718#define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11)
 719#define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10)
 720#define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9)
 721#define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8)
 722#define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7)
 723#define CM6206_REG2_MUTE_SUBWOOFER BIT(6)
 724#define CM6206_REG2_MUTE_CENTER BIT(5)
 725#define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3)
 726#define CM6206_REG2_MUTE_LEFT_FRONT BIT(3)
 727#define CM6206_REG2_EN_BTL BIT(2)
 728#define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0)
 729#define CM6206_REG2_MCUCLKSEL_3_MHZ (1)
 730#define CM6206_REG2_MCUCLKSEL_6_MHZ (2)
 731#define CM6206_REG2_MCUCLKSEL_12_MHZ (3)
 732
 733/* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */
 734#define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11)
 735#define CM6206_REG3_VRAP25EN BIT(10)
 736#define CM6206_REG3_MSEL1 BIT(9)
 737#define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7)
 738#define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7)
 739#define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7)
 740#define CM6206_REG3_PINSEL BIT(6)
 741#define CM6206_REG3_FOE BIT(5)
 742#define CM6206_REG3_ROE BIT(4)
 743#define CM6206_REG3_CBOE BIT(3)
 744#define CM6206_REG3_LOSE BIT(2)
 745#define CM6206_REG3_HPOE BIT(1)
 746#define CM6206_REG3_SPDIFI_CANREC BIT(0)
 747
 748#define CM6206_REG5_DA_RSTN BIT(13)
 749#define CM6206_REG5_AD_RSTN BIT(12)
 750#define CM6206_REG5_SPDIFO_AD2SPDO BIT(12)
 751#define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9)
 752#define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9)
 753#define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9)
 754#define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9)
 755#define CM6206_REG5_CODECM BIT(8)
 756#define CM6206_REG5_EN_HPF BIT(7)
 757#define CM6206_REG5_T_SEL_DSDA4 BIT(6)
 758#define CM6206_REG5_T_SEL_DSDA3 BIT(5)
 759#define CM6206_REG5_T_SEL_DSDA2 BIT(4)
 760#define CM6206_REG5_T_SEL_DSDA1 BIT(3)
 761#define CM6206_REG5_T_SEL_DSDAD_NORMAL 0
 762#define CM6206_REG5_T_SEL_DSDAD_FRONT 4
 763#define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5
 764#define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6
 765#define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7
 766
 767static int snd_usb_cm6206_boot_quirk(struct usb_device *dev)
 768{
 769	int err  = 0, reg;
 770	int val[] = {
 771		/*
 772		 * Values here are chosen based on sniffing USB traffic
 773		 * under Windows.
 774		 *
 775		 * REG0: DAC is master, sample rate 48kHz, no copyright
 776		 */
 777		CM6206_REG0_SPDIFO_RATE_48K |
 778		CM6206_REG0_SPDIFO_COPYRIGHT_NA,
 779		/*
 780		 * REG1: PLL binary search enable, soft mute enable.
 781		 */
 782		CM6206_REG1_PLLBIN_EN |
 783		CM6206_REG1_SOFT_MUTE_EN,
 784		/*
 785		 * REG2: enable output drivers,
 786		 * select front channels to the headphone output,
 787		 * then mute the headphone channels, run the MCU
 788		 * at 1.5 MHz.
 789		 */
 790		CM6206_REG2_DRIVER_ON |
 791		CM6206_REG2_HEADP_SEL_FRONT_CHANNELS |
 792		CM6206_REG2_MUTE_HEADPHONE_RIGHT |
 793		CM6206_REG2_MUTE_HEADPHONE_LEFT,
 794		/*
 795		 * REG3: default flyspeed, set 2.5V mic bias
 796		 * enable all line out ports and enable SPDIF
 797		 */
 798		CM6206_REG3_FLYSPEED_DEFAULT |
 799		CM6206_REG3_VRAP25EN |
 800		CM6206_REG3_FOE |
 801		CM6206_REG3_ROE |
 802		CM6206_REG3_CBOE |
 803		CM6206_REG3_LOSE |
 804		CM6206_REG3_HPOE |
 805		CM6206_REG3_SPDIFI_CANREC,
 806		/* REG4 is just a bunch of GPIO lines */
 807		0x0000,
 808		/* REG5: de-assert AD/DA reset signals */
 809		CM6206_REG5_DA_RSTN |
 810		CM6206_REG5_AD_RSTN };
 811
 812	for (reg = 0; reg < ARRAY_SIZE(val); reg++) {
 813		err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]);
 814		if (err < 0)
 815			return err;
 816	}
 817
 818	return err;
 819}
 820
 821/* quirk for Plantronics GameCom 780 with CM6302 chip */
 822static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
 823{
 824	/* set the initial volume and don't change; other values are either
 825	 * too loud or silent due to firmware bug (bko#65251)
 826	 */
 827	u8 buf[2] = { 0x74, 0xe3 };
 828	return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
 829			USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
 830			UAC_FU_VOLUME << 8, 9 << 8, buf, 2);
 831}
 832
 833/*
 834 * Novation Twitch DJ controller
 835 * Focusrite Novation Saffire 6 USB audio card
 836 */
 837static int snd_usb_novation_boot_quirk(struct usb_device *dev)
 838{
 839	/* preemptively set up the device because otherwise the
 840	 * raw MIDI endpoints are not active */
 841	usb_set_interface(dev, 0, 1);
 842	return 0;
 843}
 844
 845/*
 846 * This call will put the synth in "USB send" mode, i.e it will send MIDI
 847 * messages through USB (this is disabled at startup). The synth will
 848 * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB
 849 * sign on its LCD. Values here are chosen based on sniffing USB traffic
 850 * under Windows.
 851 */
 852static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev)
 853{
 854	int err, actual_length;
 855	/* "midi send" enable */
 856	static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 };
 857	void *buf;
 858
 859	if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x05)))
 860		return -EINVAL;
 861	buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL);
 862	if (!buf)
 863		return -ENOMEM;
 864	err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf,
 865			ARRAY_SIZE(seq), &actual_length, 1000);
 866	kfree(buf);
 867	if (err < 0)
 868		return err;
 869
 870	return 0;
 871}
 872
 873/*
 874 * Some sound cards from Native Instruments are in fact compliant to the USB
 875 * audio standard of version 2 and other approved USB standards, even though
 876 * they come up as vendor-specific device when first connected.
 877 *
 878 * However, they can be told to come up with a new set of descriptors
 879 * upon their next enumeration, and the interfaces announced by the new
 880 * descriptors will then be handled by the kernel's class drivers. As the
 881 * product ID will also change, no further checks are required.
 882 */
 883
 884static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev)
 885{
 886	int ret;
 887
 888	if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0)))
 889		return -EINVAL;
 890	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 891				  0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 892				  1, 0, NULL, 0, 1000);
 893
 894	if (ret < 0)
 895		return ret;
 896
 897	usb_reset_device(dev);
 898
 899	/* return -EAGAIN, so the creation of an audio interface for this
 900	 * temporary device is aborted. The device will reconnect with a
 901	 * new product ID */
 902	return -EAGAIN;
 903}
 904
 905static void mbox2_setup_48_24_magic(struct usb_device *dev)
 906{
 907	u8 srate[3];
 908	u8 temp[12];
 909
 910	/* Choose 48000Hz permanently */
 911	srate[0] = 0x80;
 912	srate[1] = 0xbb;
 913	srate[2] = 0x00;
 914
 915	/* Send the magic! */
 916	snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 917		0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003);
 918	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 919		0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003);
 920	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 921		0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003);
 922	snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0),
 923		0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003);
 924	return;
 925}
 926
 927/* Digidesign Mbox 2 needs to load firmware onboard
 928 * and driver must wait a few seconds for initialisation.
 929 */
 930
 931#define MBOX2_FIRMWARE_SIZE    646
 932#define MBOX2_BOOT_LOADING     0x01 /* Hard coded into the device */
 933#define MBOX2_BOOT_READY       0x02 /* Hard coded into the device */
 934
 935static int snd_usb_mbox2_boot_quirk(struct usb_device *dev)
 936{
 937	struct usb_host_config *config = dev->actconfig;
 938	int err;
 939	u8 bootresponse[0x12];
 940	int fwsize;
 941	int count;
 942
 943	fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength);
 944
 945	if (fwsize != MBOX2_FIRMWARE_SIZE) {
 946		dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize);
 947		return -ENODEV;
 948	}
 949
 950	dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n");
 951
 952	count = 0;
 953	bootresponse[0] = MBOX2_BOOT_LOADING;
 954	while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) {
 955		msleep(500); /* 0.5 second delay */
 956		snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0),
 957			/* Control magic - load onboard firmware */
 958			0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012);
 959		if (bootresponse[0] == MBOX2_BOOT_READY)
 960			break;
 961		dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n");
 962		count++;
 963	}
 964
 965	if (bootresponse[0] != MBOX2_BOOT_READY) {
 966		dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]);
 967		return -ENODEV;
 968	}
 969
 970	dev_dbg(&dev->dev, "device initialised!\n");
 971
 972	err = usb_get_descriptor(dev, USB_DT_DEVICE, 0,
 973		&dev->descriptor, sizeof(dev->descriptor));
 974	config = dev->actconfig;
 975	if (err < 0)
 976		dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err);
 977
 978	err = usb_reset_configuration(dev);
 979	if (err < 0)
 980		dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err);
 981	dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n",
 982		le16_to_cpu(get_cfg_desc(config)->wTotalLength));
 983
 984	mbox2_setup_48_24_magic(dev);
 985
 986	dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz");
 987
 988	return 0; /* Successful boot */
 989}
 990
 991static int snd_usb_axefx3_boot_quirk(struct usb_device *dev)
 992{
 993	int err;
 994
 995	dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n");
 996
 997	if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0)))
 998		return -EINVAL;
 999	/* If the Axe-Fx III has not fully booted, it will timeout when trying
1000	 * to enable the audio streaming interface. A more generous timeout is
1001	 * used here to detect when the Axe-Fx III has finished booting as the
1002	 * set interface message will be acked once it has
1003	 */
1004	err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1005				USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE,
1006				1, 1, NULL, 0, 120000);
1007	if (err < 0) {
1008		dev_err(&dev->dev,
1009			"failed waiting for Axe-Fx III to boot: %d\n", err);
1010		return err;
1011	}
1012
1013	dev_dbg(&dev->dev, "Axe-Fx III is now ready\n");
1014
1015	err = usb_set_interface(dev, 1, 0);
1016	if (err < 0)
1017		dev_dbg(&dev->dev,
1018			"error stopping Axe-Fx III interface: %d\n", err);
1019
1020	return 0;
1021}
1022
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1023
1024#define MICROBOOK_BUF_SIZE 128
1025
1026static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf,
1027						int buf_size, int *length)
1028{
1029	int err, actual_length;
1030
1031	if (snd_usb_pipe_sanity_check(dev, usb_sndintpipe(dev, 0x01)))
1032		return -EINVAL;
1033	err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length,
1034				&actual_length, 1000);
1035	if (err < 0)
1036		return err;
1037
1038	print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1,
1039		       buf, actual_length, false);
1040
1041	memset(buf, 0, buf_size);
1042
1043	if (snd_usb_pipe_sanity_check(dev, usb_rcvintpipe(dev, 0x82)))
1044		return -EINVAL;
1045	err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size,
1046				&actual_length, 1000);
1047	if (err < 0)
1048		return err;
1049
1050	print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1,
1051		       buf, actual_length, false);
1052
1053	*length = actual_length;
1054	return 0;
1055}
1056
1057static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev)
1058{
1059	int err, actual_length, poll_attempts = 0;
1060	static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00,
1061						 0x00, 0x00, 0x0b, 0x14,
1062						 0x00, 0x00, 0x00, 0x01 };
1063	static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00,
1064					     0x00, 0x00, 0x0b, 0x18 };
1065	u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL);
1066
1067	if (!buf)
1068		return -ENOMEM;
1069
1070	dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n");
1071
1072	/* First we tell the device which sample rate to use. */
1073	memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq));
1074	actual_length = sizeof(set_samplerate_seq);
1075	err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE,
1076						   &actual_length);
1077
1078	if (err < 0) {
1079		dev_err(&dev->dev,
1080			"failed setting the sample rate for Motu MicroBook II: %d\n",
1081			err);
1082		goto free_buf;
1083	}
1084
1085	/* Then we poll every 100 ms until the device informs of its readiness. */
1086	while (true) {
1087		if (++poll_attempts > 100) {
1088			dev_err(&dev->dev,
1089				"failed booting Motu MicroBook II: timeout\n");
1090			err = -ENODEV;
1091			goto free_buf;
1092		}
1093
1094		memset(buf, 0, MICROBOOK_BUF_SIZE);
1095		memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq));
1096
1097		actual_length = sizeof(poll_ready_seq);
1098		err = snd_usb_motu_microbookii_communicate(
1099			dev, buf, MICROBOOK_BUF_SIZE, &actual_length);
1100		if (err < 0) {
1101			dev_err(&dev->dev,
1102				"failed booting Motu MicroBook II: communication error %d\n",
1103				err);
1104			goto free_buf;
1105		}
1106
1107		/* the device signals its readiness through a message of the
1108		 * form
1109		 *           XX 06 00 00 00 00 0b 18  00 00 00 01
1110		 * If the device is not yet ready to accept audio data, the
1111		 * last byte of that sequence is 00.
1112		 */
1113		if (actual_length == 12 && buf[actual_length - 1] == 1)
1114			break;
1115
1116		msleep(100);
1117	}
1118
1119	dev_info(&dev->dev, "MOTU MicroBook II ready\n");
1120
1121free_buf:
1122	kfree(buf);
1123	return err;
1124}
1125
1126static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev)
1127{
1128	int ret;
1129
1130	if (snd_usb_pipe_sanity_check(dev, usb_sndctrlpipe(dev, 0)))
1131		return -EINVAL;
1132	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1133			      1, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1134			      0x0, 0, NULL, 0, 1000);
1135
1136	if (ret < 0)
1137		return ret;
1138
1139	msleep(2000);
1140
1141	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
1142			      1, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1143			      0x20, 0, NULL, 0, 1000);
1144
1145	if (ret < 0)
1146		return ret;
1147
1148	return 0;
1149}
1150
1151/*
1152 * Setup quirks
1153 */
1154#define MAUDIO_SET		0x01 /* parse device_setup */
1155#define MAUDIO_SET_COMPATIBLE	0x80 /* use only "win-compatible" interfaces */
1156#define MAUDIO_SET_DTS		0x02 /* enable DTS Digital Output */
1157#define MAUDIO_SET_96K		0x04 /* 48-96kHz rate if set, 8-48kHz otherwise */
1158#define MAUDIO_SET_24B		0x08 /* 24bits sample if set, 16bits otherwise */
1159#define MAUDIO_SET_DI		0x10 /* enable Digital Input */
1160#define MAUDIO_SET_MASK		0x1f /* bit mask for setup value */
1161#define MAUDIO_SET_24B_48K_DI	 0x19 /* 24bits+48kHz+Digital Input */
1162#define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48kHz+No Digital Input */
1163#define MAUDIO_SET_16B_48K_DI	 0x11 /* 16bits+48kHz+Digital Input */
1164#define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48kHz+No Digital Input */
1165
1166static int quattro_skip_setting_quirk(struct snd_usb_audio *chip,
1167				      int iface, int altno)
1168{
1169	/* Reset ALL ifaces to 0 altsetting.
1170	 * Call it for every possible altsetting of every interface.
1171	 */
1172	usb_set_interface(chip->dev, iface, 0);
1173	if (chip->setup & MAUDIO_SET) {
1174		if (chip->setup & MAUDIO_SET_COMPATIBLE) {
1175			if (iface != 1 && iface != 2)
1176				return 1; /* skip all interfaces but 1 and 2 */
1177		} else {
1178			unsigned int mask;
1179			if (iface == 1 || iface == 2)
1180				return 1; /* skip interfaces 1 and 2 */
1181			if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1182				return 1; /* skip this altsetting */
1183			mask = chip->setup & MAUDIO_SET_MASK;
1184			if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1185				return 1; /* skip this altsetting */
1186			if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1187				return 1; /* skip this altsetting */
1188			if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4)
1189				return 1; /* skip this altsetting */
1190		}
1191	}
1192	usb_audio_dbg(chip,
1193		    "using altsetting %d for interface %d config %d\n",
1194		    altno, iface, chip->setup);
1195	return 0; /* keep this altsetting */
1196}
1197
1198static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip,
1199					 int iface,
1200					 int altno)
1201{
1202	/* Reset ALL ifaces to 0 altsetting.
1203	 * Call it for every possible altsetting of every interface.
1204	 */
1205	usb_set_interface(chip->dev, iface, 0);
1206
1207	if (chip->setup & MAUDIO_SET) {
1208		unsigned int mask;
1209		if ((chip->setup & MAUDIO_SET_DTS) && altno != 6)
1210			return 1; /* skip this altsetting */
1211		if ((chip->setup & MAUDIO_SET_96K) && altno != 1)
1212			return 1; /* skip this altsetting */
1213		mask = chip->setup & MAUDIO_SET_MASK;
1214		if (mask == MAUDIO_SET_24B_48K_DI && altno != 2)
1215			return 1; /* skip this altsetting */
1216		if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3)
1217			return 1; /* skip this altsetting */
1218		if (mask == MAUDIO_SET_16B_48K_DI && altno != 4)
1219			return 1; /* skip this altsetting */
1220		if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5)
1221			return 1; /* skip this altsetting */
1222	}
1223
1224	return 0; /* keep this altsetting */
1225}
1226
1227static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip,
1228					   int iface, int altno)
1229{
1230	/* Reset ALL ifaces to 0 altsetting.
1231	 * Call it for every possible altsetting of every interface.
1232	 */
1233	usb_set_interface(chip->dev, iface, 0);
1234
1235	/* possible configuration where both inputs and only one output is
1236	 *used is not supported by the current setup
1237	 */
1238	if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) {
1239		if (chip->setup & MAUDIO_SET_96K) {
1240			if (altno != 3 && altno != 6)
1241				return 1;
1242		} else if (chip->setup & MAUDIO_SET_DI) {
1243			if (iface == 4)
1244				return 1; /* no analog input */
1245			if (altno != 2 && altno != 5)
1246				return 1; /* enable only altsets 2 and 5 */
1247		} else {
1248			if (iface == 5)
1249				return 1; /* disable digialt input */
1250			if (altno != 2 && altno != 5)
1251				return 1; /* enalbe only altsets 2 and 5 */
1252		}
1253	} else {
1254		/* keep only 16-Bit mode */
1255		if (altno != 1)
1256			return 1;
1257	}
1258
1259	usb_audio_dbg(chip,
1260		    "using altsetting %d for interface %d config %d\n",
1261		    altno, iface, chip->setup);
1262	return 0; /* keep this altsetting */
1263}
1264
1265static int s1810c_skip_setting_quirk(struct snd_usb_audio *chip,
1266					   int iface, int altno)
1267{
1268	/*
1269	 * Altno settings:
1270	 *
1271	 * Playback (Interface 1):
1272	 * 1: 6 Analog + 2 S/PDIF
1273	 * 2: 6 Analog + 2 S/PDIF
1274	 * 3: 6 Analog
1275	 *
1276	 * Capture (Interface 2):
1277	 * 1: 8 Analog + 2 S/PDIF + 8 ADAT
1278	 * 2: 8 Analog + 2 S/PDIF + 4 ADAT
1279	 * 3: 8 Analog
1280	 */
1281
1282	/*
1283	 * I'll leave 2 as the default one and
1284	 * use device_setup to switch to the
1285	 * other two.
1286	 */
1287	if ((chip->setup == 0 || chip->setup > 2) && altno != 2)
1288		return 1;
1289	else if (chip->setup == 1 && altno != 1)
1290		return 1;
1291	else if (chip->setup == 2 && altno != 3)
1292		return 1;
1293
1294	return 0;
1295}
1296
1297int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip,
1298				  int iface,
1299				  int altno)
1300{
1301	/* audiophile usb: skip altsets incompatible with device_setup */
1302	if (chip->usb_id == USB_ID(0x0763, 0x2003))
1303		return audiophile_skip_setting_quirk(chip, iface, altno);
1304	/* quattro usb: skip altsets incompatible with device_setup */
1305	if (chip->usb_id == USB_ID(0x0763, 0x2001))
1306		return quattro_skip_setting_quirk(chip, iface, altno);
1307	/* fasttrackpro usb: skip altsets incompatible with device_setup */
1308	if (chip->usb_id == USB_ID(0x0763, 0x2012))
1309		return fasttrackpro_skip_setting_quirk(chip, iface, altno);
1310	/* presonus studio 1810c: skip altsets incompatible with device_setup */
1311	if (chip->usb_id == USB_ID(0x0194f, 0x010c))
1312		return s1810c_skip_setting_quirk(chip, iface, altno);
1313
1314
1315	return 0;
1316}
1317
1318int snd_usb_apply_boot_quirk(struct usb_device *dev,
1319			     struct usb_interface *intf,
1320			     const struct snd_usb_audio_quirk *quirk,
1321			     unsigned int id)
1322{
1323	switch (id) {
1324	case USB_ID(0x041e, 0x3000):
1325		/* SB Extigy needs special boot-up sequence */
1326		/* if more models come, this will go to the quirk list. */
1327		return snd_usb_extigy_boot_quirk(dev, intf);
1328
1329	case USB_ID(0x041e, 0x3020):
1330		/* SB Audigy 2 NX needs its own boot-up magic, too */
1331		return snd_usb_audigy2nx_boot_quirk(dev);
1332
1333	case USB_ID(0x10f5, 0x0200):
1334		/* C-Media CM106 / Turtle Beach Audio Advantage Roadie */
1335		return snd_usb_cm106_boot_quirk(dev);
1336
1337	case USB_ID(0x0d8c, 0x0102):
1338		/* C-Media CM6206 / CM106-Like Sound Device */
1339	case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */
1340		return snd_usb_cm6206_boot_quirk(dev);
1341
1342	case USB_ID(0x0dba, 0x3000):
1343		/* Digidesign Mbox 2 */
1344		return snd_usb_mbox2_boot_quirk(dev);
 
 
 
 
1345
1346	case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */
1347	case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */
1348		return snd_usb_novation_boot_quirk(dev);
1349
1350	case USB_ID(0x133e, 0x0815):
1351		/* Access Music VirusTI Desktop */
1352		return snd_usb_accessmusic_boot_quirk(dev);
1353
1354	case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */
1355	case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */
1356	case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */
1357		return snd_usb_nativeinstruments_boot_quirk(dev);
1358	case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
1359		return snd_usb_fasttrackpro_boot_quirk(dev);
1360	case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */
1361		return snd_usb_gamecon780_boot_quirk(dev);
1362	case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */
1363		return snd_usb_axefx3_boot_quirk(dev);
1364	case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */
1365		/*
1366		 * For some reason interface 3 with vendor-spec class is
1367		 * detected on MicroBook IIc.
1368		 */
1369		if (get_iface_desc(intf->altsetting)->bInterfaceClass ==
1370		    USB_CLASS_VENDOR_SPEC &&
1371		    get_iface_desc(intf->altsetting)->bInterfaceNumber < 3)
1372			return snd_usb_motu_microbookii_boot_quirk(dev);
1373		break;
1374	}
1375
1376	return 0;
1377}
1378
1379int snd_usb_apply_boot_quirk_once(struct usb_device *dev,
1380				  struct usb_interface *intf,
1381				  const struct snd_usb_audio_quirk *quirk,
1382				  unsigned int id)
1383{
1384	switch (id) {
1385	case USB_ID(0x07fd, 0x0008): /* MOTU M Series */
1386		return snd_usb_motu_m_series_boot_quirk(dev);
1387	}
1388
1389	return 0;
1390}
1391
1392/*
1393 * check if the device uses big-endian samples
1394 */
1395int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, struct audioformat *fp)
 
1396{
1397	/* it depends on altsetting whether the device is big-endian or not */
1398	switch (chip->usb_id) {
1399	case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */
1400		if (fp->altsetting == 2 || fp->altsetting == 3 ||
1401			fp->altsetting == 5 || fp->altsetting == 6)
1402			return 1;
1403		break;
1404	case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1405		if (chip->setup == 0x00 ||
1406			fp->altsetting == 1 || fp->altsetting == 2 ||
1407			fp->altsetting == 3)
1408			return 1;
1409		break;
1410	case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */
1411		if (fp->altsetting == 2 || fp->altsetting == 3 ||
1412			fp->altsetting == 5 || fp->altsetting == 6)
1413			return 1;
1414		break;
1415	}
1416	return 0;
1417}
1418
1419/*
1420 * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device,
1421 * not for interface.
1422 */
1423
1424enum {
1425	EMU_QUIRK_SR_44100HZ = 0,
1426	EMU_QUIRK_SR_48000HZ,
1427	EMU_QUIRK_SR_88200HZ,
1428	EMU_QUIRK_SR_96000HZ,
1429	EMU_QUIRK_SR_176400HZ,
1430	EMU_QUIRK_SR_192000HZ
1431};
1432
1433static void set_format_emu_quirk(struct snd_usb_substream *subs,
1434				 struct audioformat *fmt)
1435{
1436	unsigned char emu_samplerate_id = 0;
1437
1438	/* When capture is active
1439	 * sample rate shouldn't be changed
1440	 * by playback substream
1441	 */
1442	if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) {
1443		if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].interface != -1)
1444			return;
1445	}
1446
1447	switch (fmt->rate_min) {
1448	case 48000:
1449		emu_samplerate_id = EMU_QUIRK_SR_48000HZ;
1450		break;
1451	case 88200:
1452		emu_samplerate_id = EMU_QUIRK_SR_88200HZ;
1453		break;
1454	case 96000:
1455		emu_samplerate_id = EMU_QUIRK_SR_96000HZ;
1456		break;
1457	case 176400:
1458		emu_samplerate_id = EMU_QUIRK_SR_176400HZ;
1459		break;
1460	case 192000:
1461		emu_samplerate_id = EMU_QUIRK_SR_192000HZ;
1462		break;
1463	default:
1464		emu_samplerate_id = EMU_QUIRK_SR_44100HZ;
1465		break;
1466	}
1467	snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id);
1468	subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0;
1469}
1470
1471
1472/*
1473 * Pioneer DJ DJM-900NXS2
1474 * Device needs to know the sample rate each time substream is started
1475 */
1476static int pioneer_djm_set_format_quirk(struct snd_usb_substream *subs)
1477{
1478
1479	/* Convert sample rate value to little endian */
1480	u8 sr[3];
1481
1482	sr[0] = subs->cur_rate & 0xff;
1483	sr[1] = (subs->cur_rate >> 8) & 0xff;
1484	sr[2] = (subs->cur_rate >> 16) & 0xff;
1485
1486	/* Configure device */
1487	usb_set_interface(subs->dev, 0, 1);
 
1488	snd_usb_ctl_msg(subs->stream->chip->dev,
1489		usb_rcvctrlpipe(subs->stream->chip->dev, 0),
1490		0x01, 0x22, 0x0100, 0x0082, &sr, 0x0003);
1491
1492	return 0;
1493}
1494
1495void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
1496			      struct audioformat *fmt)
1497{
1498	switch (subs->stream->chip->usb_id) {
1499	case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */
1500	case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */
1501	case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */
1502	case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
1503		set_format_emu_quirk(subs, fmt);
1504		break;
1505	case USB_ID(0x2b73, 0x000a): /* Pioneer DJ DJM-900NXS2 */
1506	case USB_ID(0x2b73, 0x0017): /* Pioneer DJ DJM-250MK2 */
1507		pioneer_djm_set_format_quirk(subs);
1508		break;
1509	case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
1510		subs->stream_offset_adj = 2;
1511		break;
 
 
 
 
 
 
 
1512	}
1513}
1514
1515bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
 
1516{
1517	/* devices which do not support reading the sample rate. */
1518	switch (chip->usb_id) {
1519	case USB_ID(0x041e, 0x4080): /* Creative Live Cam VF0610 */
1520	case USB_ID(0x04d8, 0xfeea): /* Benchmark DAC1 Pre */
1521	case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
1522	case USB_ID(0x05a3, 0x9420): /* ELP HD USB Camera */
1523	case USB_ID(0x05a7, 0x1020): /* Bose Companion 5 */
1524	case USB_ID(0x074d, 0x3553): /* Outlaw RR2150 (Micronas UAC3553B) */
1525	case USB_ID(0x1395, 0x740a): /* Sennheiser DECT */
1526	case USB_ID(0x1901, 0x0191): /* GE B850V3 CP2114 audio interface */
1527	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
1528	case USB_ID(0x2912, 0x30c8): /* Audioengine D1 */
1529		return true;
1530	}
1531
1532	/* devices of these vendors don't support reading rate, either */
1533	switch (USB_ID_VENDOR(chip->usb_id)) {
1534	case 0x045e: /* MS Lifecam */
1535	case 0x047f: /* Plantronics */
1536	case 0x1de7: /* Phoenix Audio */
1537		return true;
1538	}
1539
1540	return false;
1541}
1542
1543/* ITF-USB DSD based DACs need a vendor cmd to switch
1544 * between PCM and native DSD mode
1545 */
1546static bool is_itf_usb_dsd_dac(unsigned int id)
1547{
1548	switch (id) {
1549	case USB_ID(0x154e, 0x1002): /* Denon DCD-1500RE */
1550	case USB_ID(0x154e, 0x1003): /* Denon DA-300USB */
1551	case USB_ID(0x154e, 0x3005): /* Marantz HD-DAC1 */
1552	case USB_ID(0x154e, 0x3006): /* Marantz SA-14S1 */
1553	case USB_ID(0x1852, 0x5065): /* Luxman DA-06 */
1554	case USB_ID(0x0644, 0x8043): /* TEAC UD-501/UD-501V2/UD-503/NT-503 */
1555	case USB_ID(0x0644, 0x8044): /* Esoteric D-05X */
1556	case USB_ID(0x0644, 0x804a): /* TEAC UD-301 */
1557		return true;
1558	}
1559	return false;
1560}
1561
1562int snd_usb_select_mode_quirk(struct snd_usb_substream *subs,
1563			      struct audioformat *fmt)
1564{
1565	struct usb_device *dev = subs->dev;
1566	int err;
1567
1568	if (is_itf_usb_dsd_dac(subs->stream->chip->usb_id)) {
1569		/* First switch to alt set 0, otherwise the mode switch cmd
1570		 * will not be accepted by the DAC
1571		 */
1572		err = usb_set_interface(dev, fmt->iface, 0);
1573		if (err < 0)
1574			return err;
1575
1576		msleep(20); /* Delay needed after setting the interface */
1577
1578		/* Vendor mode switch cmd is required. */
1579		if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) {
1580			/* DSD mode (DSD_U32) requested */
1581			err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1582					      USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1583					      1, 1, NULL, 0);
1584			if (err < 0)
1585				return err;
1586
1587		} else {
1588			/* PCM or DOP mode (S32) requested */
1589			/* PCM mode (S16) requested */
1590			err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0,
1591					      USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE,
1592					      0, 1, NULL, 0);
1593			if (err < 0)
1594				return err;
1595
1596		}
1597		msleep(20);
1598	}
1599	return 0;
1600}
1601
1602void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep)
1603{
1604	/*
1605	 * "Playback Design" products send bogus feedback data at the start
1606	 * of the stream. Ignore them.
1607	 */
1608	if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba &&
1609	    ep->type == SND_USB_ENDPOINT_TYPE_SYNC)
1610		ep->skip_packets = 4;
1611
1612	/*
1613	 * M-Audio Fast Track C400/C600 - when packets are not skipped, real
1614	 * world latency varies by approx. +/- 50 frames (at 96kHz) each time
1615	 * the stream is (re)started. When skipping packets 16 at endpoint
1616	 * start up, the real world latency is stable within +/- 1 frame (also
1617	 * across power cycles).
1618	 */
1619	if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) ||
1620	     ep->chip->usb_id == USB_ID(0x0763, 0x2031)) &&
1621	    ep->type == SND_USB_ENDPOINT_TYPE_DATA)
1622		ep->skip_packets = 16;
1623
1624	/* Work around devices that report unreasonable feedback data */
1625	if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) ||  /* TEAC UD-H01 */
1626	     ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */
1627	    ep->syncmaxsize == 4)
1628		ep->tenor_fb_quirk = 1;
1629}
1630
1631void snd_usb_set_interface_quirk(struct usb_device *dev)
1632{
1633	struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1634
1635	if (!chip)
1636		return;
1637	/*
1638	 * "Playback Design" products need a 50ms delay after setting the
1639	 * USB interface.
1640	 */
1641	switch (USB_ID_VENDOR(chip->usb_id)) {
1642	case 0x23ba: /* Playback Design */
1643	case 0x0644: /* TEAC Corp. */
1644		msleep(50);
1645		break;
1646	}
1647}
1648
1649/* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */
1650void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
1651			   __u8 request, __u8 requesttype, __u16 value,
1652			   __u16 index, void *data, __u16 size)
1653{
1654	struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev);
1655
1656	if (!chip)
1657		return;
1658	/*
1659	 * "Playback Design" products need a 20ms delay after each
1660	 * class compliant request
1661	 */
1662	if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1663	    (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1664		msleep(20);
1665
1666	/*
1667	 * "TEAC Corp." products need a 20ms delay after each
1668	 * class compliant request
1669	 */
1670	if (USB_ID_VENDOR(chip->usb_id) == 0x0644 &&
1671	    (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1672		msleep(20);
1673
1674	/* ITF-USB DSD based DACs functionality need a delay
1675	 * after each class compliant request
1676	 */
1677	if (is_itf_usb_dsd_dac(chip->usb_id)
1678	    && (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1679		msleep(20);
1680
1681	/* Zoom R16/24, Logitech H650e/H570e, Jabra 550a, Kingston HyperX
1682	 *  needs a tiny delay here, otherwise requests like get/set
1683	 *  frequency return as failed despite actually succeeding.
1684	 */
1685	if ((chip->usb_id == USB_ID(0x1686, 0x00dd) ||
1686	     chip->usb_id == USB_ID(0x046d, 0x0a46) ||
1687	     chip->usb_id == USB_ID(0x046d, 0x0a56) ||
1688	     chip->usb_id == USB_ID(0x0b0e, 0x0349) ||
1689	     chip->usb_id == USB_ID(0x0951, 0x16ad)) &&
1690	    (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1691		usleep_range(1000, 2000);
1692
1693	/*
1694	 * Samsung USBC Headset (AKG) need a tiny delay after each
1695	 * class compliant request. (Model number: AAM625R or AAM627R)
1696	 */
1697	if (chip->usb_id == USB_ID(0x04e8, 0xa051) &&
1698	    (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
1699		usleep_range(5000, 6000);
1700}
1701
1702/*
1703 * snd_usb_interface_dsd_format_quirks() is called from format.c to
1704 * augment the PCM format bit-field for DSD types. The UAC standards
1705 * don't have a designated bit field to denote DSD-capable interfaces,
1706 * hence all hardware that is known to support this format has to be
1707 * listed here.
1708 */
1709u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
1710					struct audioformat *fp,
1711					unsigned int sample_bytes)
1712{
1713	struct usb_interface *iface;
1714
1715	/* Playback Designs */
1716	if (USB_ID_VENDOR(chip->usb_id) == 0x23ba &&
1717	    USB_ID_PRODUCT(chip->usb_id) < 0x0110) {
1718		switch (fp->altsetting) {
1719		case 1:
1720			fp->dsd_dop = true;
1721			return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1722		case 2:
1723			fp->dsd_bitrev = true;
1724			return SNDRV_PCM_FMTBIT_DSD_U8;
1725		case 3:
1726			fp->dsd_bitrev = true;
1727			return SNDRV_PCM_FMTBIT_DSD_U16_LE;
1728		}
1729	}
1730
1731	/* XMOS based USB DACs */
1732	switch (chip->usb_id) {
1733	case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
 
 
 
1734	case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
1735	case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
1736		if (fp->altsetting == 2)
1737			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1738		break;
1739
1740	case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
1741	case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
1742	case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */
1743	case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
1744	case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
 
1745	case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
 
1746	case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
 
1747	case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
1748	case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
1749	case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
1750	case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */
 
1751	case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */
1752	case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */
1753	case USB_ID(0x6b42, 0x0042): /* MSB Technology */
1754		if (fp->altsetting == 3)
1755			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1756		break;
1757
1758	/* Amanero Combo384 USB based DACs with native DSD support */
1759	case USB_ID(0x16d0, 0x071a):  /* Amanero - Combo384 */
1760	case USB_ID(0x2ab6, 0x0004):  /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */
1761	case USB_ID(0x2ab6, 0x0005):  /* T+A USB HD Audio 1 */
1762	case USB_ID(0x2ab6, 0x0006):  /* T+A USB HD Audio 2 */
1763		if (fp->altsetting == 2) {
1764			switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
1765			case 0x199:
1766				return SNDRV_PCM_FMTBIT_DSD_U32_LE;
1767			case 0x19b:
1768			case 0x203:
1769				return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1770			default:
1771				break;
1772			}
1773		}
1774		break;
1775	case USB_ID(0x16d0, 0x0a23):
1776		if (fp->altsetting == 2)
1777			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1778		break;
1779
1780	default:
1781		break;
1782	}
1783
1784	/* ITF-USB DSD based DACs */
1785	if (is_itf_usb_dsd_dac(chip->usb_id)) {
1786		iface = usb_ifnum_to_if(chip->dev, fp->iface);
1787
1788		/* Altsetting 2 support native DSD if the num of altsets is
1789		 * three (0-2),
1790		 * Altsetting 3 support native DSD if the num of altsets is
1791		 * four (0-3).
1792		 */
1793		if (fp->altsetting == iface->num_altsetting - 1)
1794			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1795	}
1796
1797	/* Mostly generic method to detect many DSD-capable implementations -
1798	 * from XMOS/Thesycon
1799	 */
1800	switch (USB_ID_VENDOR(chip->usb_id)) {
1801	case 0x152a:  /* Thesycon devices */
1802	case 0x20b1:  /* XMOS based devices */
1803	case 0x22d9:  /* Oppo */
1804	case 0x23ba:  /* Playback Designs */
1805	case 0x25ce:  /* Mytek devices */
1806	case 0x278b:  /* Rotel? */
1807	case 0x292b:  /* Gustard/Ess based devices */
1808	case 0x2ab6:  /* T+A devices */
1809	case 0x3842:  /* EVGA */
1810	case 0xc502:  /* HiBy devices */
1811		if (fp->dsd_raw)
1812			return SNDRV_PCM_FMTBIT_DSD_U32_BE;
1813		break;
1814	default:
1815		break;
1816
1817	}
1818
1819	return 0;
1820}
1821
1822void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip,
1823					  struct audioformat *fp,
1824					  int stream)
1825{
1826	switch (chip->usb_id) {
1827	case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */
1828		/* Optoplay sets the sample rate attribute although
1829		 * it seems not supporting it in fact.
1830		 */
1831		fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE;
1832		break;
1833	case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */
1834	case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */
1835		/* doesn't set the sample rate attribute, but supports it */
1836		fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE;
1837		break;
1838	case USB_ID(0x0763, 0x2001):  /* M-Audio Quattro USB */
1839	case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */
1840	case USB_ID(0x047f, 0x0ca1): /* plantronics headset */
1841	case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is
1842					an older model 77d:223) */
1843	/*
1844	 * plantronics headset and Griffin iMic have set adaptive-in
1845	 * although it's really not...
1846	 */
1847		fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE;
1848		if (stream == SNDRV_PCM_STREAM_PLAYBACK)
1849			fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE;
1850		else
1851			fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC;
1852		break;
1853	case USB_ID(0x07fd, 0x0004):  /* MOTU MicroBook IIc */
1854		/*
1855		 * MaxPacketsOnly attribute is erroneously set in endpoint
1856		 * descriptors. As a result this card produces noise with
1857		 * all sample rates other than 96 kHz.
1858		 */
1859		fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX;
1860		break;
 
 
 
 
 
 
 
 
 
1861	}
1862}
1863
1864/*
1865 * registration quirk:
1866 * the registration is skipped if a device matches with the given ID,
1867 * unless the interface reaches to the defined one.  This is for delaying
1868 * the registration until the last known interface, so that the card and
1869 * devices appear at the same time.
1870 */
1871
1872struct registration_quirk {
1873	unsigned int usb_id;	/* composed via USB_ID() */
1874	unsigned int interface;	/* the interface to trigger register */
1875};
1876
1877#define REG_QUIRK_ENTRY(vendor, product, iface) \
1878	{ .usb_id = USB_ID(vendor, product), .interface = (iface) }
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1879
1880static const struct registration_quirk registration_quirks[] = {
1881	REG_QUIRK_ENTRY(0x0951, 0x16d8, 2),	/* Kingston HyperX AMP */
1882	REG_QUIRK_ENTRY(0x0951, 0x16ed, 2),	/* Kingston HyperX Cloud Alpha S */
1883	REG_QUIRK_ENTRY(0x0951, 0x16ea, 2),	/* Kingston HyperX Cloud Flight S */
1884	{ 0 }					/* terminator */
1885};
1886
1887/* return true if skipping registration */
1888bool snd_usb_registration_quirk(struct snd_usb_audio *chip, int iface)
1889{
1890	const struct registration_quirk *q;
1891
1892	for (q = registration_quirks; q->usb_id; q++)
1893		if (chip->usb_id == q->usb_id)
1894			return iface != q->interface;
1895
1896	/* Register as normal */
1897	return false;
 
 
 
 
 
 
1898}