|  | // SPDX-License-Identifier: GPL-2.0-or-later | 
|  | /* | 
|  | */ | 
|  |  | 
|  | #include <linux/init.h> | 
|  | #include <linux/slab.h> | 
|  | #include <linux/usb.h> | 
|  | #include <linux/usb/audio.h> | 
|  | #include <linux/usb/midi.h> | 
|  | #include <linux/bits.h> | 
|  |  | 
|  | #include <sound/control.h> | 
|  | #include <sound/core.h> | 
|  | #include <sound/info.h> | 
|  | #include <sound/pcm.h> | 
|  |  | 
|  | #include "usbaudio.h" | 
|  | #include "card.h" | 
|  | #include "mixer.h" | 
|  | #include "mixer_quirks.h" | 
|  | #include "midi.h" | 
|  | #include "quirks.h" | 
|  | #include "helper.h" | 
|  | #include "endpoint.h" | 
|  | #include "pcm.h" | 
|  | #include "clock.h" | 
|  | #include "stream.h" | 
|  |  | 
|  | /* | 
|  | * handle the quirks for the contained interfaces | 
|  | */ | 
|  | static int create_composite_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk_comp) | 
|  | { | 
|  | int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; | 
|  | const struct snd_usb_audio_quirk *quirk; | 
|  | int err; | 
|  |  | 
|  | for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { | 
|  | iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); | 
|  | if (!iface) | 
|  | continue; | 
|  | if (quirk->ifnum != probed_ifnum && | 
|  | usb_interface_claimed(iface)) | 
|  | continue; | 
|  | err = snd_usb_create_quirk(chip, iface, driver, quirk); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | for (quirk = quirk_comp->data; quirk->ifnum >= 0; ++quirk) { | 
|  | iface = usb_ifnum_to_if(chip->dev, quirk->ifnum); | 
|  | if (!iface) | 
|  | continue; | 
|  | if (quirk->ifnum != probed_ifnum && | 
|  | !usb_interface_claimed(iface)) { | 
|  | err = usb_driver_claim_interface(driver, iface, | 
|  | USB_AUDIO_IFACE_UNUSED); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int ignore_interface_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | static int create_any_midi_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *intf, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk) | 
|  | { | 
|  | return snd_usbmidi_create(chip->card, intf, &chip->midi_list, quirk); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * create a stream for an interface with proper descriptors | 
|  | */ | 
|  | static int create_standard_audio_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk) | 
|  | { | 
|  | struct usb_host_interface *alts; | 
|  | struct usb_interface_descriptor *altsd; | 
|  | int err; | 
|  |  | 
|  | alts = &iface->altsetting[0]; | 
|  | altsd = get_iface_desc(alts); | 
|  | err = snd_usb_parse_audio_interface(chip, altsd->bInterfaceNumber); | 
|  | if (err < 0) { | 
|  | usb_audio_err(chip, "cannot setup if %d: error %d\n", | 
|  | altsd->bInterfaceNumber, err); | 
|  | return err; | 
|  | } | 
|  | /* reset the current interface */ | 
|  | usb_set_interface(chip->dev, altsd->bInterfaceNumber, 0); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* create the audio stream and the corresponding endpoints from the fixed | 
|  | * audioformat object; this is used for quirks with the fixed EPs | 
|  | */ | 
|  | static int add_audio_stream_from_fixed_fmt(struct snd_usb_audio *chip, | 
|  | struct audioformat *fp) | 
|  | { | 
|  | int stream, err; | 
|  |  | 
|  | stream = (fp->endpoint & USB_DIR_IN) ? | 
|  | SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; | 
|  |  | 
|  | snd_usb_audioformat_set_sync_ep(chip, fp); | 
|  |  | 
|  | err = snd_usb_add_audio_stream(chip, stream, fp); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | err = snd_usb_add_endpoint(chip, fp->endpoint, | 
|  | SND_USB_ENDPOINT_TYPE_DATA); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | if (fp->sync_ep) { | 
|  | err = snd_usb_add_endpoint(chip, fp->sync_ep, | 
|  | fp->implicit_fb ? | 
|  | SND_USB_ENDPOINT_TYPE_DATA : | 
|  | SND_USB_ENDPOINT_TYPE_SYNC); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * create a stream for an endpoint/altsetting without proper descriptors | 
|  | */ | 
|  | static int create_fixed_stream_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk) | 
|  | { | 
|  | struct audioformat *fp; | 
|  | struct usb_host_interface *alts; | 
|  | struct usb_interface_descriptor *altsd; | 
|  | unsigned *rate_table = NULL; | 
|  | int err; | 
|  |  | 
|  | fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); | 
|  | if (!fp) | 
|  | return -ENOMEM; | 
|  |  | 
|  | INIT_LIST_HEAD(&fp->list); | 
|  | if (fp->nr_rates > MAX_NR_RATES) { | 
|  | kfree(fp); | 
|  | return -EINVAL; | 
|  | } | 
|  | if (fp->nr_rates > 0) { | 
|  | rate_table = kmemdup(fp->rate_table, | 
|  | sizeof(int) * fp->nr_rates, GFP_KERNEL); | 
|  | if (!rate_table) { | 
|  | kfree(fp); | 
|  | return -ENOMEM; | 
|  | } | 
|  | fp->rate_table = rate_table; | 
|  | } | 
|  |  | 
|  | if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || | 
|  | fp->altset_idx >= iface->num_altsetting) { | 
|  | err = -EINVAL; | 
|  | goto error; | 
|  | } | 
|  | alts = &iface->altsetting[fp->altset_idx]; | 
|  | altsd = get_iface_desc(alts); | 
|  | if (altsd->bNumEndpoints <= fp->ep_idx) { | 
|  | err = -EINVAL; | 
|  | goto error; | 
|  | } | 
|  |  | 
|  | fp->protocol = altsd->bInterfaceProtocol; | 
|  |  | 
|  | if (fp->datainterval == 0) | 
|  | fp->datainterval = snd_usb_parse_datainterval(chip, alts); | 
|  | if (fp->maxpacksize == 0) | 
|  | fp->maxpacksize = le16_to_cpu(get_endpoint(alts, fp->ep_idx)->wMaxPacketSize); | 
|  | if (!fp->fmt_type) | 
|  | fp->fmt_type = UAC_FORMAT_TYPE_I; | 
|  |  | 
|  | err = add_audio_stream_from_fixed_fmt(chip, fp); | 
|  | if (err < 0) | 
|  | goto error; | 
|  |  | 
|  | usb_set_interface(chip->dev, fp->iface, 0); | 
|  | snd_usb_init_pitch(chip, fp); | 
|  | snd_usb_init_sample_rate(chip, fp, fp->rate_max); | 
|  | return 0; | 
|  |  | 
|  | error: | 
|  | list_del(&fp->list); /* unlink for avoiding double-free */ | 
|  | kfree(fp); | 
|  | kfree(rate_table); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int create_auto_pcm_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver) | 
|  | { | 
|  | struct usb_host_interface *alts; | 
|  | struct usb_interface_descriptor *altsd; | 
|  | struct usb_endpoint_descriptor *epd; | 
|  | struct uac1_as_header_descriptor *ashd; | 
|  | struct uac_format_type_i_discrete_descriptor *fmtd; | 
|  |  | 
|  | /* | 
|  | * Most Roland/Yamaha audio streaming interfaces have more or less | 
|  | * standard descriptors, but older devices might lack descriptors, and | 
|  | * future ones might change, so ensure that we fail silently if the | 
|  | * interface doesn't look exactly right. | 
|  | */ | 
|  |  | 
|  | /* must have a non-zero altsetting for streaming */ | 
|  | if (iface->num_altsetting < 2) | 
|  | return -ENODEV; | 
|  | alts = &iface->altsetting[1]; | 
|  | altsd = get_iface_desc(alts); | 
|  |  | 
|  | /* must have an isochronous endpoint for streaming */ | 
|  | if (altsd->bNumEndpoints < 1) | 
|  | return -ENODEV; | 
|  | epd = get_endpoint(alts, 0); | 
|  | if (!usb_endpoint_xfer_isoc(epd)) | 
|  | return -ENODEV; | 
|  |  | 
|  | /* must have format descriptors */ | 
|  | ashd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, | 
|  | UAC_AS_GENERAL); | 
|  | fmtd = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, | 
|  | UAC_FORMAT_TYPE); | 
|  | if (!ashd || ashd->bLength < 7 || | 
|  | !fmtd || fmtd->bLength < 8) | 
|  | return -ENODEV; | 
|  |  | 
|  | return create_standard_audio_quirk(chip, iface, driver, NULL); | 
|  | } | 
|  |  | 
|  | static int create_yamaha_midi_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | struct usb_host_interface *alts) | 
|  | { | 
|  | static const struct snd_usb_audio_quirk yamaha_midi_quirk = { | 
|  | .type = QUIRK_MIDI_YAMAHA | 
|  | }; | 
|  | struct usb_midi_in_jack_descriptor *injd; | 
|  | struct usb_midi_out_jack_descriptor *outjd; | 
|  |  | 
|  | /* must have some valid jack descriptors */ | 
|  | injd = snd_usb_find_csint_desc(alts->extra, alts->extralen, | 
|  | NULL, USB_MS_MIDI_IN_JACK); | 
|  | outjd = snd_usb_find_csint_desc(alts->extra, alts->extralen, | 
|  | NULL, USB_MS_MIDI_OUT_JACK); | 
|  | if (!injd && !outjd) | 
|  | return -ENODEV; | 
|  | if ((injd && !snd_usb_validate_midi_desc(injd)) || | 
|  | (outjd && !snd_usb_validate_midi_desc(outjd))) | 
|  | return -ENODEV; | 
|  | if (injd && (injd->bLength < 5 || | 
|  | (injd->bJackType != USB_MS_EMBEDDED && | 
|  | injd->bJackType != USB_MS_EXTERNAL))) | 
|  | return -ENODEV; | 
|  | if (outjd && (outjd->bLength < 6 || | 
|  | (outjd->bJackType != USB_MS_EMBEDDED && | 
|  | outjd->bJackType != USB_MS_EXTERNAL))) | 
|  | return -ENODEV; | 
|  | return create_any_midi_quirk(chip, iface, driver, &yamaha_midi_quirk); | 
|  | } | 
|  |  | 
|  | static int create_roland_midi_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | struct usb_host_interface *alts) | 
|  | { | 
|  | static const struct snd_usb_audio_quirk roland_midi_quirk = { | 
|  | .type = QUIRK_MIDI_ROLAND | 
|  | }; | 
|  | u8 *roland_desc = NULL; | 
|  |  | 
|  | /* might have a vendor-specific descriptor <06 24 F1 02 ...> */ | 
|  | for (;;) { | 
|  | roland_desc = snd_usb_find_csint_desc(alts->extra, | 
|  | alts->extralen, | 
|  | roland_desc, 0xf1); | 
|  | if (!roland_desc) | 
|  | return -ENODEV; | 
|  | if (roland_desc[0] < 6 || roland_desc[3] != 2) | 
|  | continue; | 
|  | return create_any_midi_quirk(chip, iface, driver, | 
|  | &roland_midi_quirk); | 
|  | } | 
|  | } | 
|  |  | 
|  | static int create_std_midi_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | struct usb_host_interface *alts) | 
|  | { | 
|  | struct usb_ms_header_descriptor *mshd; | 
|  | struct usb_ms_endpoint_descriptor *msepd; | 
|  |  | 
|  | /* must have the MIDIStreaming interface header descriptor*/ | 
|  | mshd = (struct usb_ms_header_descriptor *)alts->extra; | 
|  | if (alts->extralen < 7 || | 
|  | mshd->bLength < 7 || | 
|  | mshd->bDescriptorType != USB_DT_CS_INTERFACE || | 
|  | mshd->bDescriptorSubtype != USB_MS_HEADER) | 
|  | return -ENODEV; | 
|  | /* must have the MIDIStreaming endpoint descriptor*/ | 
|  | msepd = (struct usb_ms_endpoint_descriptor *)alts->endpoint[0].extra; | 
|  | if (alts->endpoint[0].extralen < 4 || | 
|  | msepd->bLength < 4 || | 
|  | msepd->bDescriptorType != USB_DT_CS_ENDPOINT || | 
|  | msepd->bDescriptorSubtype != UAC_MS_GENERAL || | 
|  | msepd->bNumEmbMIDIJack < 1 || | 
|  | msepd->bNumEmbMIDIJack > 16) | 
|  | return -ENODEV; | 
|  |  | 
|  | return create_any_midi_quirk(chip, iface, driver, NULL); | 
|  | } | 
|  |  | 
|  | static int create_auto_midi_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver) | 
|  | { | 
|  | struct usb_host_interface *alts; | 
|  | struct usb_interface_descriptor *altsd; | 
|  | struct usb_endpoint_descriptor *epd; | 
|  | int err; | 
|  |  | 
|  | alts = &iface->altsetting[0]; | 
|  | altsd = get_iface_desc(alts); | 
|  |  | 
|  | /* must have at least one bulk/interrupt endpoint for streaming */ | 
|  | if (altsd->bNumEndpoints < 1) | 
|  | return -ENODEV; | 
|  | epd = get_endpoint(alts, 0); | 
|  | if (!usb_endpoint_xfer_bulk(epd) && | 
|  | !usb_endpoint_xfer_int(epd)) | 
|  | return -ENODEV; | 
|  |  | 
|  | switch (USB_ID_VENDOR(chip->usb_id)) { | 
|  | case 0x0499: /* Yamaha */ | 
|  | err = create_yamaha_midi_quirk(chip, iface, driver, alts); | 
|  | if (err != -ENODEV) | 
|  | return err; | 
|  | break; | 
|  | case 0x0582: /* Roland */ | 
|  | err = create_roland_midi_quirk(chip, iface, driver, alts); | 
|  | if (err != -ENODEV) | 
|  | return err; | 
|  | break; | 
|  | } | 
|  |  | 
|  | return create_std_midi_quirk(chip, iface, driver, alts); | 
|  | } | 
|  |  | 
|  | static int create_autodetect_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk) | 
|  | { | 
|  | int err; | 
|  |  | 
|  | err = create_auto_pcm_quirk(chip, iface, driver); | 
|  | if (err == -ENODEV) | 
|  | err = create_auto_midi_quirk(chip, iface, driver); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Create a stream for an Edirol UA-700/UA-25/UA-4FX interface. | 
|  | * The only way to detect the sample rate is by looking at wMaxPacketSize. | 
|  | */ | 
|  | static int create_uaxx_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk) | 
|  | { | 
|  | static const struct audioformat ua_format = { | 
|  | .formats = SNDRV_PCM_FMTBIT_S24_3LE, | 
|  | .channels = 2, | 
|  | .fmt_type = UAC_FORMAT_TYPE_I, | 
|  | .altsetting = 1, | 
|  | .altset_idx = 1, | 
|  | .rates = SNDRV_PCM_RATE_CONTINUOUS, | 
|  | }; | 
|  | struct usb_host_interface *alts; | 
|  | struct usb_interface_descriptor *altsd; | 
|  | struct audioformat *fp; | 
|  | int err; | 
|  |  | 
|  | /* both PCM and MIDI interfaces have 2 or more altsettings */ | 
|  | if (iface->num_altsetting < 2) | 
|  | return -ENXIO; | 
|  | alts = &iface->altsetting[1]; | 
|  | altsd = get_iface_desc(alts); | 
|  |  | 
|  | if (altsd->bNumEndpoints == 2) { | 
|  | static const struct snd_usb_midi_endpoint_info ua700_ep = { | 
|  | .out_cables = 0x0003, | 
|  | .in_cables  = 0x0003 | 
|  | }; | 
|  | static const struct snd_usb_audio_quirk ua700_quirk = { | 
|  | .type = QUIRK_MIDI_FIXED_ENDPOINT, | 
|  | .data = &ua700_ep | 
|  | }; | 
|  | static const struct snd_usb_midi_endpoint_info uaxx_ep = { | 
|  | .out_cables = 0x0001, | 
|  | .in_cables  = 0x0001 | 
|  | }; | 
|  | static const struct snd_usb_audio_quirk uaxx_quirk = { | 
|  | .type = QUIRK_MIDI_FIXED_ENDPOINT, | 
|  | .data = &uaxx_ep | 
|  | }; | 
|  | const struct snd_usb_audio_quirk *quirk = | 
|  | chip->usb_id == USB_ID(0x0582, 0x002b) | 
|  | ? &ua700_quirk : &uaxx_quirk; | 
|  | return __snd_usbmidi_create(chip->card, iface, | 
|  | &chip->midi_list, quirk, | 
|  | chip->usb_id); | 
|  | } | 
|  |  | 
|  | if (altsd->bNumEndpoints != 1) | 
|  | return -ENXIO; | 
|  |  | 
|  | fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL); | 
|  | if (!fp) | 
|  | return -ENOMEM; | 
|  |  | 
|  | fp->iface = altsd->bInterfaceNumber; | 
|  | fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress; | 
|  | fp->ep_attr = get_endpoint(alts, 0)->bmAttributes; | 
|  | fp->datainterval = 0; | 
|  | fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); | 
|  | INIT_LIST_HEAD(&fp->list); | 
|  |  | 
|  | switch (fp->maxpacksize) { | 
|  | case 0x120: | 
|  | fp->rate_max = fp->rate_min = 44100; | 
|  | break; | 
|  | case 0x138: | 
|  | case 0x140: | 
|  | fp->rate_max = fp->rate_min = 48000; | 
|  | break; | 
|  | case 0x258: | 
|  | case 0x260: | 
|  | fp->rate_max = fp->rate_min = 96000; | 
|  | break; | 
|  | default: | 
|  | usb_audio_err(chip, "unknown sample rate\n"); | 
|  | kfree(fp); | 
|  | return -ENXIO; | 
|  | } | 
|  |  | 
|  | err = add_audio_stream_from_fixed_fmt(chip, fp); | 
|  | if (err < 0) { | 
|  | list_del(&fp->list); /* unlink for avoiding double-free */ | 
|  | kfree(fp); | 
|  | return err; | 
|  | } | 
|  | usb_set_interface(chip->dev, fp->iface, 0); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Create a standard mixer for the specified interface. | 
|  | */ | 
|  | static int create_standard_mixer_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk) | 
|  | { | 
|  | if (quirk->ifnum < 0) | 
|  | return 0; | 
|  |  | 
|  | return snd_usb_create_mixer(chip, quirk->ifnum); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * audio-interface quirks | 
|  | * | 
|  | * returns zero if no standard audio/MIDI parsing is needed. | 
|  | * returns a positive value if standard audio/midi interfaces are parsed | 
|  | * after this. | 
|  | * returns a negative value at error. | 
|  | */ | 
|  | int snd_usb_create_quirk(struct snd_usb_audio *chip, | 
|  | struct usb_interface *iface, | 
|  | struct usb_driver *driver, | 
|  | const struct snd_usb_audio_quirk *quirk) | 
|  | { | 
|  | typedef int (*quirk_func_t)(struct snd_usb_audio *, | 
|  | struct usb_interface *, | 
|  | struct usb_driver *, | 
|  | const struct snd_usb_audio_quirk *); | 
|  | static const quirk_func_t quirk_funcs[] = { | 
|  | [QUIRK_IGNORE_INTERFACE] = ignore_interface_quirk, | 
|  | [QUIRK_COMPOSITE] = create_composite_quirk, | 
|  | [QUIRK_AUTODETECT] = create_autodetect_quirk, | 
|  | [QUIRK_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_YAMAHA] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_ROLAND] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_MIDIMAN] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_NOVATION] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_RAW_BYTES] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_EMAGIC] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_CME] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_AKAI] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_FTDI] = create_any_midi_quirk, | 
|  | [QUIRK_MIDI_CH345] = create_any_midi_quirk, | 
|  | [QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, | 
|  | [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, | 
|  | [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, | 
|  | [QUIRK_AUDIO_STANDARD_MIXER] = create_standard_mixer_quirk, | 
|  | }; | 
|  |  | 
|  | if (quirk->type < QUIRK_TYPE_COUNT) { | 
|  | return quirk_funcs[quirk->type](chip, iface, driver, quirk); | 
|  | } else { | 
|  | usb_audio_err(chip, "invalid quirk type %d\n", quirk->type); | 
|  | return -ENXIO; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * boot quirks | 
|  | */ | 
|  |  | 
|  | #define EXTIGY_FIRMWARE_SIZE_OLD 794 | 
|  | #define EXTIGY_FIRMWARE_SIZE_NEW 483 | 
|  |  | 
|  | static int snd_usb_extigy_boot_quirk(struct usb_device *dev, struct usb_interface *intf) | 
|  | { | 
|  | struct usb_host_config *config = dev->actconfig; | 
|  | struct usb_device_descriptor *new_device_descriptor __free(kfree) = NULL; | 
|  | int err; | 
|  |  | 
|  | if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD || | 
|  | le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) { | 
|  | dev_dbg(&dev->dev, "sending Extigy boot sequence...\n"); | 
|  | /* Send message to force it to reconnect with full interface. */ | 
|  | err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0), | 
|  | 0x10, 0x43, 0x0001, 0x000a, NULL, 0); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, "error sending boot message: %d\n", err); | 
|  |  | 
|  | new_device_descriptor = kmalloc(sizeof(*new_device_descriptor), GFP_KERNEL); | 
|  | if (!new_device_descriptor) | 
|  | return -ENOMEM; | 
|  | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, | 
|  | new_device_descriptor, sizeof(*new_device_descriptor)); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); | 
|  | if (new_device_descriptor->bNumConfigurations > dev->descriptor.bNumConfigurations) | 
|  | dev_dbg(&dev->dev, "error too large bNumConfigurations: %d\n", | 
|  | new_device_descriptor->bNumConfigurations); | 
|  | else | 
|  | memcpy(&dev->descriptor, new_device_descriptor, sizeof(dev->descriptor)); | 
|  | err = usb_reset_configuration(dev); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); | 
|  | dev_dbg(&dev->dev, "extigy_boot: new boot length = %d\n", | 
|  | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); | 
|  | return -ENODEV; /* quit this anyway */ | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_usb_audigy2nx_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | u8 buf = 1; | 
|  |  | 
|  | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), 0x2a, | 
|  | USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | 0, 0, &buf, 1); | 
|  | if (buf == 0) { | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0x29, | 
|  | USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, | 
|  | 1, 2000, NULL, 0); | 
|  | return -ENODEV; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | int err; | 
|  |  | 
|  | if (dev->actconfig->desc.bConfigurationValue == 1) { | 
|  | dev_info(&dev->dev, | 
|  | "Fast Track Pro switching to config #2\n"); | 
|  | /* This function has to be available by the usb core module. | 
|  | * if it is not avialable the boot quirk has to be left out | 
|  | * and the configuration has to be set by udev or hotplug | 
|  | * rules | 
|  | */ | 
|  | err = usb_driver_set_configuration(dev, 2); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, | 
|  | "error usb_driver_set_configuration: %d\n", | 
|  | err); | 
|  | /* Always return an error, so that we stop creating a device | 
|  | that will just be destroyed and recreated with a new | 
|  | configuration */ | 
|  | return -ENODEV; | 
|  | } else | 
|  | dev_info(&dev->dev, "Fast Track Pro config OK\n"); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * C-Media CM106/CM106+ have four 16-bit internal registers that are nicely | 
|  | * documented in the device's data sheet. | 
|  | */ | 
|  | static int snd_usb_cm106_write_int_reg(struct usb_device *dev, int reg, u16 value) | 
|  | { | 
|  | u8 buf[4]; | 
|  | buf[0] = 0x20; | 
|  | buf[1] = value & 0xff; | 
|  | buf[2] = (value >> 8) & 0xff; | 
|  | buf[3] = reg; | 
|  | return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), USB_REQ_SET_CONFIGURATION, | 
|  | USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_ENDPOINT, | 
|  | 0, 0, &buf, 4); | 
|  | } | 
|  |  | 
|  | static int snd_usb_cm106_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | /* | 
|  | * Enable line-out driver mode, set headphone source to front | 
|  | * channels, enable stereo mic. | 
|  | */ | 
|  | return snd_usb_cm106_write_int_reg(dev, 2, 0x8004); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * CM6206 registers from the CM6206 datasheet rev 2.1 | 
|  | */ | 
|  | #define CM6206_REG0_DMA_MASTER BIT(15) | 
|  | #define CM6206_REG0_SPDIFO_RATE_48K (2 << 12) | 
|  | #define CM6206_REG0_SPDIFO_RATE_96K (7 << 12) | 
|  | /* Bit 4 thru 11 is the S/PDIF category code */ | 
|  | #define CM6206_REG0_SPDIFO_CAT_CODE_GENERAL (0 << 4) | 
|  | #define CM6206_REG0_SPDIFO_EMPHASIS_CD BIT(3) | 
|  | #define CM6206_REG0_SPDIFO_COPYRIGHT_NA BIT(2) | 
|  | #define CM6206_REG0_SPDIFO_NON_AUDIO BIT(1) | 
|  | #define CM6206_REG0_SPDIFO_PRO_FORMAT BIT(0) | 
|  |  | 
|  | #define CM6206_REG1_TEST_SEL_CLK BIT(14) | 
|  | #define CM6206_REG1_PLLBIN_EN BIT(13) | 
|  | #define CM6206_REG1_SOFT_MUTE_EN BIT(12) | 
|  | #define CM6206_REG1_GPIO4_OUT BIT(11) | 
|  | #define CM6206_REG1_GPIO4_OE BIT(10) | 
|  | #define CM6206_REG1_GPIO3_OUT BIT(9) | 
|  | #define CM6206_REG1_GPIO3_OE BIT(8) | 
|  | #define CM6206_REG1_GPIO2_OUT BIT(7) | 
|  | #define CM6206_REG1_GPIO2_OE BIT(6) | 
|  | #define CM6206_REG1_GPIO1_OUT BIT(5) | 
|  | #define CM6206_REG1_GPIO1_OE BIT(4) | 
|  | #define CM6206_REG1_SPDIFO_INVALID BIT(3) | 
|  | #define CM6206_REG1_SPDIF_LOOP_EN BIT(2) | 
|  | #define CM6206_REG1_SPDIFO_DIS BIT(1) | 
|  | #define CM6206_REG1_SPDIFI_MIX BIT(0) | 
|  |  | 
|  | #define CM6206_REG2_DRIVER_ON BIT(15) | 
|  | #define CM6206_REG2_HEADP_SEL_SIDE_CHANNELS (0 << 13) | 
|  | #define CM6206_REG2_HEADP_SEL_SURROUND_CHANNELS (1 << 13) | 
|  | #define CM6206_REG2_HEADP_SEL_CENTER_SUBW (2 << 13) | 
|  | #define CM6206_REG2_HEADP_SEL_FRONT_CHANNELS (3 << 13) | 
|  | #define CM6206_REG2_MUTE_HEADPHONE_RIGHT BIT(12) | 
|  | #define CM6206_REG2_MUTE_HEADPHONE_LEFT BIT(11) | 
|  | #define CM6206_REG2_MUTE_REAR_SURROUND_RIGHT BIT(10) | 
|  | #define CM6206_REG2_MUTE_REAR_SURROUND_LEFT BIT(9) | 
|  | #define CM6206_REG2_MUTE_SIDE_SURROUND_RIGHT BIT(8) | 
|  | #define CM6206_REG2_MUTE_SIDE_SURROUND_LEFT BIT(7) | 
|  | #define CM6206_REG2_MUTE_SUBWOOFER BIT(6) | 
|  | #define CM6206_REG2_MUTE_CENTER BIT(5) | 
|  | #define CM6206_REG2_MUTE_RIGHT_FRONT BIT(3) | 
|  | #define CM6206_REG2_MUTE_LEFT_FRONT BIT(3) | 
|  | #define CM6206_REG2_EN_BTL BIT(2) | 
|  | #define CM6206_REG2_MCUCLKSEL_1_5_MHZ (0) | 
|  | #define CM6206_REG2_MCUCLKSEL_3_MHZ (1) | 
|  | #define CM6206_REG2_MCUCLKSEL_6_MHZ (2) | 
|  | #define CM6206_REG2_MCUCLKSEL_12_MHZ (3) | 
|  |  | 
|  | /* Bit 11..13 sets the sensitivity to FLY tuner volume control VP/VD signal */ | 
|  | #define CM6206_REG3_FLYSPEED_DEFAULT (2 << 11) | 
|  | #define CM6206_REG3_VRAP25EN BIT(10) | 
|  | #define CM6206_REG3_MSEL1 BIT(9) | 
|  | #define CM6206_REG3_SPDIFI_RATE_44_1K BIT(0 << 7) | 
|  | #define CM6206_REG3_SPDIFI_RATE_48K BIT(2 << 7) | 
|  | #define CM6206_REG3_SPDIFI_RATE_32K BIT(3 << 7) | 
|  | #define CM6206_REG3_PINSEL BIT(6) | 
|  | #define CM6206_REG3_FOE BIT(5) | 
|  | #define CM6206_REG3_ROE BIT(4) | 
|  | #define CM6206_REG3_CBOE BIT(3) | 
|  | #define CM6206_REG3_LOSE BIT(2) | 
|  | #define CM6206_REG3_HPOE BIT(1) | 
|  | #define CM6206_REG3_SPDIFI_CANREC BIT(0) | 
|  |  | 
|  | #define CM6206_REG5_DA_RSTN BIT(13) | 
|  | #define CM6206_REG5_AD_RSTN BIT(12) | 
|  | #define CM6206_REG5_SPDIFO_AD2SPDO BIT(12) | 
|  | #define CM6206_REG5_SPDIFO_SEL_FRONT (0 << 9) | 
|  | #define CM6206_REG5_SPDIFO_SEL_SIDE_SUR (1 << 9) | 
|  | #define CM6206_REG5_SPDIFO_SEL_CEN_LFE (2 << 9) | 
|  | #define CM6206_REG5_SPDIFO_SEL_REAR_SUR (3 << 9) | 
|  | #define CM6206_REG5_CODECM BIT(8) | 
|  | #define CM6206_REG5_EN_HPF BIT(7) | 
|  | #define CM6206_REG5_T_SEL_DSDA4 BIT(6) | 
|  | #define CM6206_REG5_T_SEL_DSDA3 BIT(5) | 
|  | #define CM6206_REG5_T_SEL_DSDA2 BIT(4) | 
|  | #define CM6206_REG5_T_SEL_DSDA1 BIT(3) | 
|  | #define CM6206_REG5_T_SEL_DSDAD_NORMAL 0 | 
|  | #define CM6206_REG5_T_SEL_DSDAD_FRONT 4 | 
|  | #define CM6206_REG5_T_SEL_DSDAD_S_SURROUND 5 | 
|  | #define CM6206_REG5_T_SEL_DSDAD_CEN_LFE 6 | 
|  | #define CM6206_REG5_T_SEL_DSDAD_R_SURROUND 7 | 
|  |  | 
|  | static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | int err  = 0, reg; | 
|  | int val[] = { | 
|  | /* | 
|  | * Values here are chosen based on sniffing USB traffic | 
|  | * under Windows. | 
|  | * | 
|  | * REG0: DAC is master, sample rate 48kHz, no copyright | 
|  | */ | 
|  | CM6206_REG0_SPDIFO_RATE_48K | | 
|  | CM6206_REG0_SPDIFO_COPYRIGHT_NA, | 
|  | /* | 
|  | * REG1: PLL binary search enable, soft mute enable. | 
|  | */ | 
|  | CM6206_REG1_PLLBIN_EN | | 
|  | CM6206_REG1_SOFT_MUTE_EN, | 
|  | /* | 
|  | * REG2: enable output drivers, | 
|  | * select front channels to the headphone output, | 
|  | * then mute the headphone channels, run the MCU | 
|  | * at 1.5 MHz. | 
|  | */ | 
|  | CM6206_REG2_DRIVER_ON | | 
|  | CM6206_REG2_HEADP_SEL_FRONT_CHANNELS | | 
|  | CM6206_REG2_MUTE_HEADPHONE_RIGHT | | 
|  | CM6206_REG2_MUTE_HEADPHONE_LEFT, | 
|  | /* | 
|  | * REG3: default flyspeed, set 2.5V mic bias | 
|  | * enable all line out ports and enable SPDIF | 
|  | */ | 
|  | CM6206_REG3_FLYSPEED_DEFAULT | | 
|  | CM6206_REG3_VRAP25EN | | 
|  | CM6206_REG3_FOE | | 
|  | CM6206_REG3_ROE | | 
|  | CM6206_REG3_CBOE | | 
|  | CM6206_REG3_LOSE | | 
|  | CM6206_REG3_HPOE | | 
|  | CM6206_REG3_SPDIFI_CANREC, | 
|  | /* REG4 is just a bunch of GPIO lines */ | 
|  | 0x0000, | 
|  | /* REG5: de-assert AD/DA reset signals */ | 
|  | CM6206_REG5_DA_RSTN | | 
|  | CM6206_REG5_AD_RSTN }; | 
|  |  | 
|  | for (reg = 0; reg < ARRAY_SIZE(val); reg++) { | 
|  | err = snd_usb_cm106_write_int_reg(dev, reg, val[reg]); | 
|  | if (err < 0) | 
|  | return err; | 
|  | } | 
|  |  | 
|  | return err; | 
|  | } | 
|  |  | 
|  | /* quirk for Plantronics GameCom 780 with CM6302 chip */ | 
|  | static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | /* set the initial volume and don't change; other values are either | 
|  | * too loud or silent due to firmware bug (bko#65251) | 
|  | */ | 
|  | u8 buf[2] = { 0x74, 0xe3 }; | 
|  | return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, | 
|  | USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, | 
|  | UAC_FU_VOLUME << 8, 9 << 8, buf, 2); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Novation Twitch DJ controller | 
|  | * Focusrite Novation Saffire 6 USB audio card | 
|  | */ | 
|  | static int snd_usb_novation_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | /* preemptively set up the device because otherwise the | 
|  | * raw MIDI endpoints are not active */ | 
|  | usb_set_interface(dev, 0, 1); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * This call will put the synth in "USB send" mode, i.e it will send MIDI | 
|  | * messages through USB (this is disabled at startup). The synth will | 
|  | * acknowledge by sending a sysex on endpoint 0x85 and by displaying a USB | 
|  | * sign on its LCD. Values here are chosen based on sniffing USB traffic | 
|  | * under Windows. | 
|  | */ | 
|  | static int snd_usb_accessmusic_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | int err, actual_length; | 
|  | /* "midi send" enable */ | 
|  | static const u8 seq[] = { 0x4e, 0x73, 0x52, 0x01 }; | 
|  | void *buf; | 
|  |  | 
|  | if (usb_pipe_type_check(dev, usb_sndintpipe(dev, 0x05))) | 
|  | return -EINVAL; | 
|  | buf = kmemdup(seq, ARRAY_SIZE(seq), GFP_KERNEL); | 
|  | if (!buf) | 
|  | return -ENOMEM; | 
|  | err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x05), buf, | 
|  | ARRAY_SIZE(seq), &actual_length, 1000); | 
|  | kfree(buf); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Some sound cards from Native Instruments are in fact compliant to the USB | 
|  | * audio standard of version 2 and other approved USB standards, even though | 
|  | * they come up as vendor-specific device when first connected. | 
|  | * | 
|  | * However, they can be told to come up with a new set of descriptors | 
|  | * upon their next enumeration, and the interfaces announced by the new | 
|  | * descriptors will then be handled by the kernel's class drivers. As the | 
|  | * product ID will also change, no further checks are required. | 
|  | */ | 
|  |  | 
|  | static int snd_usb_nativeinstruments_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | int ret; | 
|  |  | 
|  | ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 0xaf, USB_TYPE_VENDOR | USB_RECIP_DEVICE, | 
|  | 1, 0, NULL, 0, 1000); | 
|  |  | 
|  | if (ret < 0) | 
|  | return ret; | 
|  |  | 
|  | usb_reset_device(dev); | 
|  |  | 
|  | /* return -EAGAIN, so the creation of an audio interface for this | 
|  | * temporary device is aborted. The device will reconnect with a | 
|  | * new product ID */ | 
|  | return -EAGAIN; | 
|  | } | 
|  |  | 
|  | static void mbox2_setup_48_24_magic(struct usb_device *dev) | 
|  | { | 
|  | u8 srate[3]; | 
|  | u8 temp[12]; | 
|  |  | 
|  | /* Choose 48000Hz permanently */ | 
|  | srate[0] = 0x80; | 
|  | srate[1] = 0xbb; | 
|  | srate[2] = 0x00; | 
|  |  | 
|  | /* Send the magic! */ | 
|  | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), | 
|  | 0x01, 0x22, 0x0100, 0x0085, &temp, 0x0003); | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 0x81, 0xa2, 0x0100, 0x0085, &srate, 0x0003); | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 0x81, 0xa2, 0x0100, 0x0086, &srate, 0x0003); | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 0x81, 0xa2, 0x0100, 0x0003, &srate, 0x0003); | 
|  | return; | 
|  | } | 
|  |  | 
|  | /* Digidesign Mbox 2 needs to load firmware onboard | 
|  | * and driver must wait a few seconds for initialisation. | 
|  | */ | 
|  |  | 
|  | #define MBOX2_FIRMWARE_SIZE    646 | 
|  | #define MBOX2_BOOT_LOADING     0x01 /* Hard coded into the device */ | 
|  | #define MBOX2_BOOT_READY       0x02 /* Hard coded into the device */ | 
|  |  | 
|  | static int snd_usb_mbox2_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | struct usb_host_config *config = dev->actconfig; | 
|  | struct usb_device_descriptor *new_device_descriptor __free(kfree) = NULL; | 
|  | int err; | 
|  | u8 bootresponse[0x12]; | 
|  | int fwsize; | 
|  | int count; | 
|  |  | 
|  | fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); | 
|  |  | 
|  | if (fwsize != MBOX2_FIRMWARE_SIZE) { | 
|  | dev_err(&dev->dev, "Invalid firmware size=%d.\n", fwsize); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | dev_dbg(&dev->dev, "Sending Digidesign Mbox 2 boot sequence...\n"); | 
|  |  | 
|  | count = 0; | 
|  | bootresponse[0] = MBOX2_BOOT_LOADING; | 
|  | while ((bootresponse[0] == MBOX2_BOOT_LOADING) && (count < 10)) { | 
|  | msleep(500); /* 0.5 second delay */ | 
|  | snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), | 
|  | /* Control magic - load onboard firmware */ | 
|  | 0x85, 0xc0, 0x0001, 0x0000, &bootresponse, 0x0012); | 
|  | if (bootresponse[0] == MBOX2_BOOT_READY) | 
|  | break; | 
|  | dev_dbg(&dev->dev, "device not ready, resending boot sequence...\n"); | 
|  | count++; | 
|  | } | 
|  |  | 
|  | if (bootresponse[0] != MBOX2_BOOT_READY) { | 
|  | dev_err(&dev->dev, "Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | dev_dbg(&dev->dev, "device initialised!\n"); | 
|  |  | 
|  | new_device_descriptor = kmalloc(sizeof(*new_device_descriptor), GFP_KERNEL); | 
|  | if (!new_device_descriptor) | 
|  | return -ENOMEM; | 
|  |  | 
|  | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, | 
|  | new_device_descriptor, sizeof(*new_device_descriptor)); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); | 
|  | if (new_device_descriptor->bNumConfigurations > dev->descriptor.bNumConfigurations) | 
|  | dev_dbg(&dev->dev, "error too large bNumConfigurations: %d\n", | 
|  | new_device_descriptor->bNumConfigurations); | 
|  | else | 
|  | memcpy(&dev->descriptor, new_device_descriptor, sizeof(dev->descriptor)); | 
|  |  | 
|  | err = usb_reset_configuration(dev); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); | 
|  | dev_dbg(&dev->dev, "mbox2_boot: new boot length = %d\n", | 
|  | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); | 
|  |  | 
|  | mbox2_setup_48_24_magic(dev); | 
|  |  | 
|  | dev_info(&dev->dev, "Digidesign Mbox 2: 24bit 48kHz"); | 
|  |  | 
|  | return 0; /* Successful boot */ | 
|  | } | 
|  |  | 
|  | static int snd_usb_axefx3_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | int err; | 
|  |  | 
|  | dev_dbg(&dev->dev, "Waiting for Axe-Fx III to boot up...\n"); | 
|  |  | 
|  | /* If the Axe-Fx III has not fully booted, it will timeout when trying | 
|  | * to enable the audio streaming interface. A more generous timeout is | 
|  | * used here to detect when the Axe-Fx III has finished booting as the | 
|  | * set interface message will be acked once it has | 
|  | */ | 
|  | err = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | USB_REQ_SET_INTERFACE, USB_RECIP_INTERFACE, | 
|  | 1, 1, NULL, 0, 120000); | 
|  | if (err < 0) { | 
|  | dev_err(&dev->dev, | 
|  | "failed waiting for Axe-Fx III to boot: %d\n", err); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | dev_dbg(&dev->dev, "Axe-Fx III is now ready\n"); | 
|  |  | 
|  | err = usb_set_interface(dev, 1, 0); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, | 
|  | "error stopping Axe-Fx III interface: %d\n", err); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static void mbox3_setup_48_24_magic(struct usb_device *dev) | 
|  | { | 
|  | /* The Mbox 3 is "little endian" */ | 
|  | /* max volume is: 0x0000. */ | 
|  | /* min volume is: 0x0080 (shown in little endian form) */ | 
|  |  | 
|  |  | 
|  | /* Load 48000Hz rate into buffer */ | 
|  | u8 com_buff[4] = {0x80, 0xbb, 0x00, 0x00}; | 
|  |  | 
|  | /* Set 48000Hz sample rate */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 0x01, 0x21, 0x0100, 0x0001, &com_buff, 4);  //Is this really needed? | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 0x01, 0x21, 0x0100, 0x8101, &com_buff, 4); | 
|  |  | 
|  | /* Deactivate Tuner */ | 
|  | /* on  = 0x01*/ | 
|  | /* off = 0x00*/ | 
|  | com_buff[0] = 0x00; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 0x01, 0x21, 0x0003, 0x2001, &com_buff, 1); | 
|  |  | 
|  | /* Set clock source to Internal (as opposed to S/PDIF) */ | 
|  | com_buff[0] = 0x01; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0100, 0x8001, &com_buff, 1); | 
|  |  | 
|  | /* Mute the hardware loopbacks to start the device in a known state. */ | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x80; | 
|  | /* Analogue input 1 left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0110, 0x4001, &com_buff, 2); | 
|  | /* Analogue input 1 right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0111, 0x4001, &com_buff, 2); | 
|  | /* Analogue input 2 left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0114, 0x4001, &com_buff, 2); | 
|  | /* Analogue input 2 right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0115, 0x4001, &com_buff, 2); | 
|  | /* Analogue input 3 left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0118, 0x4001, &com_buff, 2); | 
|  | /* Analogue input 3 right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0119, 0x4001, &com_buff, 2); | 
|  | /* Analogue input 4 left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x011c, 0x4001, &com_buff, 2); | 
|  | /* Analogue input 4 right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x011d, 0x4001, &com_buff, 2); | 
|  |  | 
|  | /* Set software sends to output */ | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x00; | 
|  | /* Analogue software return 1 left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0100, 0x4001, &com_buff, 2); | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x80; | 
|  | /* Analogue software return 1 right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0101, 0x4001, &com_buff, 2); | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x80; | 
|  | /* Analogue software return 2 left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0104, 0x4001, &com_buff, 2); | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x00; | 
|  | /* Analogue software return 2 right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0105, 0x4001, &com_buff, 2); | 
|  |  | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x80; | 
|  | /* Analogue software return 3 left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0108, 0x4001, &com_buff, 2); | 
|  | /* Analogue software return 3 right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0109, 0x4001, &com_buff, 2); | 
|  | /* Analogue software return 4 left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x010c, 0x4001, &com_buff, 2); | 
|  | /* Analogue software return 4 right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x010d, 0x4001, &com_buff, 2); | 
|  |  | 
|  | /* Return to muting sends */ | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x80; | 
|  | /* Analogue fx return left channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0120, 0x4001, &com_buff, 2); | 
|  | /* Analogue fx return right channel: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0121, 0x4001, &com_buff, 2); | 
|  |  | 
|  | /* Analogue software input 1 fx send: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0100, 0x4201, &com_buff, 2); | 
|  | /* Analogue software input 2 fx send: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0101, 0x4201, &com_buff, 2); | 
|  | /* Analogue software input 3 fx send: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0102, 0x4201, &com_buff, 2); | 
|  | /* Analogue software input 4 fx send: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0103, 0x4201, &com_buff, 2); | 
|  | /* Analogue input 1 fx send: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0104, 0x4201, &com_buff, 2); | 
|  | /* Analogue input 2 fx send: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0105, 0x4201, &com_buff, 2); | 
|  | /* Analogue input 3 fx send: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0106, 0x4201, &com_buff, 2); | 
|  | /* Analogue input 4 fx send: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0107, 0x4201, &com_buff, 2); | 
|  |  | 
|  | /* Toggle allowing host control */ | 
|  | com_buff[0] = 0x02; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 3, 0x21, 0x0000, 0x2001, &com_buff, 1); | 
|  |  | 
|  | /* Do not dim fx returns */ | 
|  | com_buff[0] = 0x00; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 3, 0x21, 0x0002, 0x2001, &com_buff, 1); | 
|  |  | 
|  | /* Do not set fx returns to mono */ | 
|  | com_buff[0] = 0x00; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 3, 0x21, 0x0001, 0x2001, &com_buff, 1); | 
|  |  | 
|  | /* Mute the S/PDIF hardware loopback | 
|  | * same odd volume logic here as above | 
|  | */ | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x80; | 
|  | /* S/PDIF hardware input 1 left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0112, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF hardware input 1 right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0113, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF hardware input 2 left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0116, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF hardware input 2 right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0117, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF hardware input 3 left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x011a, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF hardware input 3 right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x011b, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF hardware input 4 left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x011e, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF hardware input 4 right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x011f, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF software return 1 left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0102, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF software return 1 right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0103, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF software return 2 left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0106, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF software return 2 right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0107, 0x4001, &com_buff, 2); | 
|  |  | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x00; | 
|  | /* S/PDIF software return 3 left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x010a, 0x4001, &com_buff, 2); | 
|  |  | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x80; | 
|  | /* S/PDIF software return 3 right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x010b, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF software return 4 left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x010e, 0x4001, &com_buff, 2); | 
|  |  | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x00; | 
|  | /* S/PDIF software return 4 right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x010f, 0x4001, &com_buff, 2); | 
|  |  | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x80; | 
|  | /* S/PDIF fx returns left channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0122, 0x4001, &com_buff, 2); | 
|  | /* S/PDIF fx returns right channel */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0123, 0x4001, &com_buff, 2); | 
|  |  | 
|  | /* Set the dropdown "Effect" to the first option */ | 
|  | /* Room1  = 0x00 */ | 
|  | /* Room2  = 0x01 */ | 
|  | /* Room3  = 0x02 */ | 
|  | /* Hall 1 = 0x03 */ | 
|  | /* Hall 2 = 0x04 */ | 
|  | /* Plate  = 0x05 */ | 
|  | /* Delay  = 0x06 */ | 
|  | /* Echo   = 0x07 */ | 
|  | com_buff[0] = 0x00; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0200, 0x4301, &com_buff, 1);	/* max is 0xff */ | 
|  | /* min is 0x00 */ | 
|  |  | 
|  |  | 
|  | /* Set the effect duration to 0 */ | 
|  | /* max is 0xffff */ | 
|  | /* min is 0x0000 */ | 
|  | com_buff[0] = 0x00; | 
|  | com_buff[1] = 0x00; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0400, 0x4301, &com_buff, 2); | 
|  |  | 
|  | /* Set the effect volume and feedback to 0 */ | 
|  | /* max is 0xff */ | 
|  | /* min is 0x00 */ | 
|  | com_buff[0] = 0x00; | 
|  | /* feedback: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0500, 0x4301, &com_buff, 1); | 
|  | /* volume: */ | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 1, 0x21, 0x0300, 0x4301, &com_buff, 1); | 
|  |  | 
|  | /* Set soft button hold duration */ | 
|  | /* 0x03 = 250ms */ | 
|  | /* 0x05 = 500ms DEFAULT */ | 
|  | /* 0x08 = 750ms */ | 
|  | /* 0x0a = 1sec */ | 
|  | com_buff[0] = 0x05; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 3, 0x21, 0x0005, 0x2001, &com_buff, 1); | 
|  |  | 
|  | /* Use dim LEDs for button of state */ | 
|  | com_buff[0] = 0x00; | 
|  | snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), | 
|  | 3, 0x21, 0x0004, 0x2001, &com_buff, 1); | 
|  | } | 
|  |  | 
|  | #define MBOX3_DESCRIPTOR_SIZE	464 | 
|  |  | 
|  | static int snd_usb_mbox3_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | struct usb_host_config *config = dev->actconfig; | 
|  | struct usb_device_descriptor *new_device_descriptor __free(kfree) = NULL; | 
|  | int err; | 
|  | int descriptor_size; | 
|  |  | 
|  | descriptor_size = le16_to_cpu(get_cfg_desc(config)->wTotalLength); | 
|  |  | 
|  | if (descriptor_size != MBOX3_DESCRIPTOR_SIZE) { | 
|  | dev_err(&dev->dev, "Invalid descriptor size=%d.\n", descriptor_size); | 
|  | return -ENODEV; | 
|  | } | 
|  |  | 
|  | dev_dbg(&dev->dev, "device initialised!\n"); | 
|  |  | 
|  | new_device_descriptor = kmalloc(sizeof(*new_device_descriptor), GFP_KERNEL); | 
|  | if (!new_device_descriptor) | 
|  | return -ENOMEM; | 
|  |  | 
|  | err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, | 
|  | new_device_descriptor, sizeof(*new_device_descriptor)); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, "error usb_get_descriptor: %d\n", err); | 
|  | if (new_device_descriptor->bNumConfigurations > dev->descriptor.bNumConfigurations) | 
|  | dev_dbg(&dev->dev, "error too large bNumConfigurations: %d\n", | 
|  | new_device_descriptor->bNumConfigurations); | 
|  | else | 
|  | memcpy(&dev->descriptor, new_device_descriptor, sizeof(dev->descriptor)); | 
|  |  | 
|  | err = usb_reset_configuration(dev); | 
|  | if (err < 0) | 
|  | dev_dbg(&dev->dev, "error usb_reset_configuration: %d\n", err); | 
|  | dev_dbg(&dev->dev, "mbox3_boot: new boot length = %d\n", | 
|  | le16_to_cpu(get_cfg_desc(config)->wTotalLength)); | 
|  |  | 
|  | mbox3_setup_48_24_magic(dev); | 
|  | dev_info(&dev->dev, "Digidesign Mbox 3: 24bit 48kHz"); | 
|  |  | 
|  | return 0; /* Successful boot */ | 
|  | } | 
|  |  | 
|  | #define MICROBOOK_BUF_SIZE 128 | 
|  |  | 
|  | static int snd_usb_motu_microbookii_communicate(struct usb_device *dev, u8 *buf, | 
|  | int buf_size, int *length) | 
|  | { | 
|  | int err, actual_length; | 
|  |  | 
|  | if (usb_pipe_type_check(dev, usb_sndintpipe(dev, 0x01))) | 
|  | return -EINVAL; | 
|  | err = usb_interrupt_msg(dev, usb_sndintpipe(dev, 0x01), buf, *length, | 
|  | &actual_length, 1000); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | print_hex_dump(KERN_DEBUG, "MicroBookII snd: ", DUMP_PREFIX_NONE, 16, 1, | 
|  | buf, actual_length, false); | 
|  |  | 
|  | memset(buf, 0, buf_size); | 
|  |  | 
|  | if (usb_pipe_type_check(dev, usb_rcvintpipe(dev, 0x82))) | 
|  | return -EINVAL; | 
|  | err = usb_interrupt_msg(dev, usb_rcvintpipe(dev, 0x82), buf, buf_size, | 
|  | &actual_length, 1000); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | print_hex_dump(KERN_DEBUG, "MicroBookII rcv: ", DUMP_PREFIX_NONE, 16, 1, | 
|  | buf, actual_length, false); | 
|  |  | 
|  | *length = actual_length; | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int snd_usb_motu_microbookii_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | int err, actual_length, poll_attempts = 0; | 
|  | static const u8 set_samplerate_seq[] = { 0x00, 0x00, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x0b, 0x14, | 
|  | 0x00, 0x00, 0x00, 0x01 }; | 
|  | static const u8 poll_ready_seq[] = { 0x00, 0x04, 0x00, 0x00, | 
|  | 0x00, 0x00, 0x0b, 0x18 }; | 
|  | u8 *buf = kzalloc(MICROBOOK_BUF_SIZE, GFP_KERNEL); | 
|  |  | 
|  | if (!buf) | 
|  | return -ENOMEM; | 
|  |  | 
|  | dev_info(&dev->dev, "Waiting for MOTU Microbook II to boot up...\n"); | 
|  |  | 
|  | /* First we tell the device which sample rate to use. */ | 
|  | memcpy(buf, set_samplerate_seq, sizeof(set_samplerate_seq)); | 
|  | actual_length = sizeof(set_samplerate_seq); | 
|  | err = snd_usb_motu_microbookii_communicate(dev, buf, MICROBOOK_BUF_SIZE, | 
|  | &actual_length); | 
|  |  | 
|  | if (err < 0) { | 
|  | dev_err(&dev->dev, | 
|  | "failed setting the sample rate for Motu MicroBook II: %d\n", | 
|  | err); | 
|  | goto free_buf; | 
|  | } | 
|  |  | 
|  | /* Then we poll every 100 ms until the device informs of its readiness. */ | 
|  | while (true) { | 
|  | if (++poll_attempts > 100) { | 
|  | dev_err(&dev->dev, | 
|  | "failed booting Motu MicroBook II: timeout\n"); | 
|  | err = -ENODEV; | 
|  | goto free_buf; | 
|  | } | 
|  |  | 
|  | memset(buf, 0, MICROBOOK_BUF_SIZE); | 
|  | memcpy(buf, poll_ready_seq, sizeof(poll_ready_seq)); | 
|  |  | 
|  | actual_length = sizeof(poll_ready_seq); | 
|  | err = snd_usb_motu_microbookii_communicate( | 
|  | dev, buf, MICROBOOK_BUF_SIZE, &actual_length); | 
|  | if (err < 0) { | 
|  | dev_err(&dev->dev, | 
|  | "failed booting Motu MicroBook II: communication error %d\n", | 
|  | err); | 
|  | goto free_buf; | 
|  | } | 
|  |  | 
|  | /* the device signals its readiness through a message of the | 
|  | * form | 
|  | *           XX 06 00 00 00 00 0b 18  00 00 00 01 | 
|  | * If the device is not yet ready to accept audio data, the | 
|  | * last byte of that sequence is 00. | 
|  | */ | 
|  | if (actual_length == 12 && buf[actual_length - 1] == 1) | 
|  | break; | 
|  |  | 
|  | msleep(100); | 
|  | } | 
|  |  | 
|  | dev_info(&dev->dev, "MOTU MicroBook II ready\n"); | 
|  |  | 
|  | free_buf: | 
|  | kfree(buf); | 
|  | return err; | 
|  | } | 
|  |  | 
|  | static int snd_usb_motu_m_series_boot_quirk(struct usb_device *dev) | 
|  | { | 
|  | msleep(4000); | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * Setup quirks | 
|  | */ | 
|  | #define MAUDIO_SET		0x01 /* parse device_setup */ | 
|  | #define MAUDIO_SET_COMPATIBLE	0x80 /* use only "win-compatible" interfaces */ | 
|  | #define MAUDIO_SET_DTS		0x02 /* enable DTS Digital Output */ | 
|  | #define MAUDIO_SET_96K		0x04 /* 48-96kHz rate if set, 8-48kHz otherwise */ | 
|  | #define MAUDIO_SET_24B		0x08 /* 24bits sample if set, 16bits otherwise */ | 
|  | #define MAUDIO_SET_DI		0x10 /* enable Digital Input */ | 
|  | #define MAUDIO_SET_MASK		0x1f /* bit mask for setup value */ | 
|  | #define MAUDIO_SET_24B_48K_DI	 0x19 /* 24bits+48kHz+Digital Input */ | 
|  | #define MAUDIO_SET_24B_48K_NOTDI 0x09 /* 24bits+48kHz+No Digital Input */ | 
|  | #define MAUDIO_SET_16B_48K_DI	 0x11 /* 16bits+48kHz+Digital Input */ | 
|  | #define MAUDIO_SET_16B_48K_NOTDI 0x01 /* 16bits+48kHz+No Digital Input */ | 
|  |  | 
|  | static int quattro_skip_setting_quirk(struct snd_usb_audio *chip, | 
|  | int iface, int altno) | 
|  | { | 
|  | /* Reset ALL ifaces to 0 altsetting. | 
|  | * Call it for every possible altsetting of every interface. | 
|  | */ | 
|  | usb_set_interface(chip->dev, iface, 0); | 
|  | if (chip->setup & MAUDIO_SET) { | 
|  | if (chip->setup & MAUDIO_SET_COMPATIBLE) { | 
|  | if (iface != 1 && iface != 2) | 
|  | return 1; /* skip all interfaces but 1 and 2 */ | 
|  | } else { | 
|  | unsigned int mask; | 
|  | if (iface == 1 || iface == 2) | 
|  | return 1; /* skip interfaces 1 and 2 */ | 
|  | if ((chip->setup & MAUDIO_SET_96K) && altno != 1) | 
|  | return 1; /* skip this altsetting */ | 
|  | mask = chip->setup & MAUDIO_SET_MASK; | 
|  | if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) | 
|  | return 1; /* skip this altsetting */ | 
|  | if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) | 
|  | return 1; /* skip this altsetting */ | 
|  | if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 4) | 
|  | return 1; /* skip this altsetting */ | 
|  | } | 
|  | } | 
|  | usb_audio_dbg(chip, | 
|  | "using altsetting %d for interface %d config %d\n", | 
|  | altno, iface, chip->setup); | 
|  | return 0; /* keep this altsetting */ | 
|  | } | 
|  |  | 
|  | static int audiophile_skip_setting_quirk(struct snd_usb_audio *chip, | 
|  | int iface, | 
|  | int altno) | 
|  | { | 
|  | /* Reset ALL ifaces to 0 altsetting. | 
|  | * Call it for every possible altsetting of every interface. | 
|  | */ | 
|  | usb_set_interface(chip->dev, iface, 0); | 
|  |  | 
|  | if (chip->setup & MAUDIO_SET) { | 
|  | unsigned int mask; | 
|  | if ((chip->setup & MAUDIO_SET_DTS) && altno != 6) | 
|  | return 1; /* skip this altsetting */ | 
|  | if ((chip->setup & MAUDIO_SET_96K) && altno != 1) | 
|  | return 1; /* skip this altsetting */ | 
|  | mask = chip->setup & MAUDIO_SET_MASK; | 
|  | if (mask == MAUDIO_SET_24B_48K_DI && altno != 2) | 
|  | return 1; /* skip this altsetting */ | 
|  | if (mask == MAUDIO_SET_24B_48K_NOTDI && altno != 3) | 
|  | return 1; /* skip this altsetting */ | 
|  | if (mask == MAUDIO_SET_16B_48K_DI && altno != 4) | 
|  | return 1; /* skip this altsetting */ | 
|  | if (mask == MAUDIO_SET_16B_48K_NOTDI && altno != 5) | 
|  | return 1; /* skip this altsetting */ | 
|  | } | 
|  |  | 
|  | return 0; /* keep this altsetting */ | 
|  | } | 
|  |  | 
|  | static int fasttrackpro_skip_setting_quirk(struct snd_usb_audio *chip, | 
|  | int iface, int altno) | 
|  | { | 
|  | /* Reset ALL ifaces to 0 altsetting. | 
|  | * Call it for every possible altsetting of every interface. | 
|  | */ | 
|  | usb_set_interface(chip->dev, iface, 0); | 
|  |  | 
|  | /* possible configuration where both inputs and only one output is | 
|  | *used is not supported by the current setup | 
|  | */ | 
|  | if (chip->setup & (MAUDIO_SET | MAUDIO_SET_24B)) { | 
|  | if (chip->setup & MAUDIO_SET_96K) { | 
|  | if (altno != 3 && altno != 6) | 
|  | return 1; | 
|  | } else if (chip->setup & MAUDIO_SET_DI) { | 
|  | if (iface == 4) | 
|  | return 1; /* no analog input */ | 
|  | if (altno != 2 && altno != 5) | 
|  | return 1; /* enable only altsets 2 and 5 */ | 
|  | } else { | 
|  | if (iface == 5) | 
|  | return 1; /* disable digialt input */ | 
|  | if (altno != 2 && altno != 5) | 
|  | return 1; /* enalbe only altsets 2 and 5 */ | 
|  | } | 
|  | } else { | 
|  | /* keep only 16-Bit mode */ | 
|  | if (altno != 1) | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | usb_audio_dbg(chip, | 
|  | "using altsetting %d for interface %d config %d\n", | 
|  | altno, iface, chip->setup); | 
|  | return 0; /* keep this altsetting */ | 
|  | } | 
|  |  | 
|  | static int s1810c_skip_setting_quirk(struct snd_usb_audio *chip, | 
|  | int iface, int altno) | 
|  | { | 
|  | /* | 
|  | * Altno settings: | 
|  | * | 
|  | * Playback (Interface 1): | 
|  | * 1: 6 Analog + 2 S/PDIF | 
|  | * 2: 6 Analog + 2 S/PDIF | 
|  | * 3: 6 Analog | 
|  | * | 
|  | * Capture (Interface 2): | 
|  | * 1: 8 Analog + 2 S/PDIF + 8 ADAT | 
|  | * 2: 8 Analog + 2 S/PDIF + 4 ADAT | 
|  | * 3: 8 Analog | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * I'll leave 2 as the default one and | 
|  | * use device_setup to switch to the | 
|  | * other two. | 
|  | */ | 
|  | if ((chip->setup == 0 || chip->setup > 2) && altno != 2) | 
|  | return 1; | 
|  | else if (chip->setup == 1 && altno != 1) | 
|  | return 1; | 
|  | else if (chip->setup == 2 && altno != 3) | 
|  | return 1; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int snd_usb_apply_interface_quirk(struct snd_usb_audio *chip, | 
|  | int iface, | 
|  | int altno) | 
|  | { | 
|  | /* audiophile usb: skip altsets incompatible with device_setup */ | 
|  | if (chip->usb_id == USB_ID(0x0763, 0x2003)) | 
|  | return audiophile_skip_setting_quirk(chip, iface, altno); | 
|  | /* quattro usb: skip altsets incompatible with device_setup */ | 
|  | if (chip->usb_id == USB_ID(0x0763, 0x2001)) | 
|  | return quattro_skip_setting_quirk(chip, iface, altno); | 
|  | /* fasttrackpro usb: skip altsets incompatible with device_setup */ | 
|  | if (chip->usb_id == USB_ID(0x0763, 0x2012)) | 
|  | return fasttrackpro_skip_setting_quirk(chip, iface, altno); | 
|  | /* presonus studio 1810c: skip altsets incompatible with device_setup */ | 
|  | if (chip->usb_id == USB_ID(0x194f, 0x010c)) | 
|  | return s1810c_skip_setting_quirk(chip, iface, altno); | 
|  |  | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int snd_usb_apply_boot_quirk(struct usb_device *dev, | 
|  | struct usb_interface *intf, | 
|  | const struct snd_usb_audio_quirk *quirk, | 
|  | unsigned int id) | 
|  | { | 
|  | switch (id) { | 
|  | case USB_ID(0x041e, 0x3000): | 
|  | /* SB Extigy needs special boot-up sequence */ | 
|  | /* if more models come, this will go to the quirk list. */ | 
|  | return snd_usb_extigy_boot_quirk(dev, intf); | 
|  |  | 
|  | case USB_ID(0x041e, 0x3020): | 
|  | /* SB Audigy 2 NX needs its own boot-up magic, too */ | 
|  | return snd_usb_audigy2nx_boot_quirk(dev); | 
|  |  | 
|  | case USB_ID(0x10f5, 0x0200): | 
|  | /* C-Media CM106 / Turtle Beach Audio Advantage Roadie */ | 
|  | return snd_usb_cm106_boot_quirk(dev); | 
|  |  | 
|  | case USB_ID(0x0d8c, 0x0102): | 
|  | /* C-Media CM6206 / CM106-Like Sound Device */ | 
|  | case USB_ID(0x0ccd, 0x00b1): /* Terratec Aureon 7.1 USB */ | 
|  | return snd_usb_cm6206_boot_quirk(dev); | 
|  |  | 
|  | case USB_ID(0x0dba, 0x3000): | 
|  | /* Digidesign Mbox 2 */ | 
|  | return snd_usb_mbox2_boot_quirk(dev); | 
|  | case USB_ID(0x0dba, 0x5000): | 
|  | /* Digidesign Mbox 3 */ | 
|  | return snd_usb_mbox3_boot_quirk(dev); | 
|  |  | 
|  |  | 
|  | case USB_ID(0x1235, 0x0010): /* Focusrite Novation Saffire 6 USB */ | 
|  | case USB_ID(0x1235, 0x0018): /* Focusrite Novation Twitch */ | 
|  | return snd_usb_novation_boot_quirk(dev); | 
|  |  | 
|  | case USB_ID(0x133e, 0x0815): | 
|  | /* Access Music VirusTI Desktop */ | 
|  | return snd_usb_accessmusic_boot_quirk(dev); | 
|  |  | 
|  | case USB_ID(0x17cc, 0x1000): /* Komplete Audio 6 */ | 
|  | case USB_ID(0x17cc, 0x1010): /* Traktor Audio 6 */ | 
|  | case USB_ID(0x17cc, 0x1020): /* Traktor Audio 10 */ | 
|  | return snd_usb_nativeinstruments_boot_quirk(dev); | 
|  | case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */ | 
|  | return snd_usb_fasttrackpro_boot_quirk(dev); | 
|  | case USB_ID(0x047f, 0xc010): /* Plantronics Gamecom 780 */ | 
|  | return snd_usb_gamecon780_boot_quirk(dev); | 
|  | case USB_ID(0x2466, 0x8010): /* Fractal Audio Axe-Fx 3 */ | 
|  | return snd_usb_axefx3_boot_quirk(dev); | 
|  | case USB_ID(0x07fd, 0x0004): /* MOTU MicroBook II */ | 
|  | /* | 
|  | * For some reason interface 3 with vendor-spec class is | 
|  | * detected on MicroBook IIc. | 
|  | */ | 
|  | if (get_iface_desc(intf->altsetting)->bInterfaceClass == | 
|  | USB_CLASS_VENDOR_SPEC && | 
|  | get_iface_desc(intf->altsetting)->bInterfaceNumber < 3) | 
|  | return snd_usb_motu_microbookii_boot_quirk(dev); | 
|  | break; | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | int snd_usb_apply_boot_quirk_once(struct usb_device *dev, | 
|  | struct usb_interface *intf, | 
|  | const struct snd_usb_audio_quirk *quirk, | 
|  | unsigned int id) | 
|  | { | 
|  | switch (id) { | 
|  | case USB_ID(0x07fd, 0x0008): /* MOTU M Series, 1st hardware version */ | 
|  | return snd_usb_motu_m_series_boot_quirk(dev); | 
|  | } | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * check if the device uses big-endian samples | 
|  | */ | 
|  | int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, | 
|  | const struct audioformat *fp) | 
|  | { | 
|  | /* it depends on altsetting whether the device is big-endian or not */ | 
|  | switch (chip->usb_id) { | 
|  | case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ | 
|  | if (fp->altsetting == 2 || fp->altsetting == 3 || | 
|  | fp->altsetting == 5 || fp->altsetting == 6) | 
|  | return 1; | 
|  | break; | 
|  | case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ | 
|  | if (chip->setup == 0x00 || | 
|  | fp->altsetting == 1 || fp->altsetting == 2 || | 
|  | fp->altsetting == 3) | 
|  | return 1; | 
|  | break; | 
|  | case USB_ID(0x0763, 0x2012): /* M-Audio Fast Track Pro */ | 
|  | if (fp->altsetting == 2 || fp->altsetting == 3 || | 
|  | fp->altsetting == 5 || fp->altsetting == 6) | 
|  | return 1; | 
|  | break; | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | /* | 
|  | * For E-Mu 0404USB/0202USB/TrackerPre/0204 sample rate should be set for device, | 
|  | * not for interface. | 
|  | */ | 
|  |  | 
|  | enum { | 
|  | EMU_QUIRK_SR_44100HZ = 0, | 
|  | EMU_QUIRK_SR_48000HZ, | 
|  | EMU_QUIRK_SR_88200HZ, | 
|  | EMU_QUIRK_SR_96000HZ, | 
|  | EMU_QUIRK_SR_176400HZ, | 
|  | EMU_QUIRK_SR_192000HZ | 
|  | }; | 
|  |  | 
|  | static void set_format_emu_quirk(struct snd_usb_substream *subs, | 
|  | const struct audioformat *fmt) | 
|  | { | 
|  | unsigned char emu_samplerate_id = 0; | 
|  |  | 
|  | /* When capture is active | 
|  | * sample rate shouldn't be changed | 
|  | * by playback substream | 
|  | */ | 
|  | if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) { | 
|  | if (subs->stream->substream[SNDRV_PCM_STREAM_CAPTURE].cur_audiofmt) | 
|  | return; | 
|  | } | 
|  |  | 
|  | switch (fmt->rate_min) { | 
|  | case 48000: | 
|  | emu_samplerate_id = EMU_QUIRK_SR_48000HZ; | 
|  | break; | 
|  | case 88200: | 
|  | emu_samplerate_id = EMU_QUIRK_SR_88200HZ; | 
|  | break; | 
|  | case 96000: | 
|  | emu_samplerate_id = EMU_QUIRK_SR_96000HZ; | 
|  | break; | 
|  | case 176400: | 
|  | emu_samplerate_id = EMU_QUIRK_SR_176400HZ; | 
|  | break; | 
|  | case 192000: | 
|  | emu_samplerate_id = EMU_QUIRK_SR_192000HZ; | 
|  | break; | 
|  | default: | 
|  | emu_samplerate_id = EMU_QUIRK_SR_44100HZ; | 
|  | break; | 
|  | } | 
|  | snd_emuusb_set_samplerate(subs->stream->chip, emu_samplerate_id); | 
|  | subs->pkt_offset_adj = (emu_samplerate_id >= EMU_QUIRK_SR_176400HZ) ? 4 : 0; | 
|  | } | 
|  |  | 
|  | static int pioneer_djm_set_format_quirk(struct snd_usb_substream *subs, | 
|  | u16 windex) | 
|  | { | 
|  | unsigned int cur_rate = subs->data_endpoint->cur_rate; | 
|  | u8 sr[3]; | 
|  | // Convert to little endian | 
|  | sr[0] = cur_rate & 0xff; | 
|  | sr[1] = (cur_rate >> 8) & 0xff; | 
|  | sr[2] = (cur_rate >> 16) & 0xff; | 
|  | usb_set_interface(subs->dev, 0, 1); | 
|  | // we should derive windex from fmt-sync_ep but it's not set | 
|  | snd_usb_ctl_msg(subs->stream->chip->dev, | 
|  | usb_sndctrlpipe(subs->stream->chip->dev, 0), | 
|  | 0x01, 0x22, 0x0100, windex, &sr, 0x0003); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | void snd_usb_set_format_quirk(struct snd_usb_substream *subs, | 
|  | const struct audioformat *fmt) | 
|  | { | 
|  | switch (subs->stream->chip->usb_id) { | 
|  | case USB_ID(0x041e, 0x3f02): /* E-Mu 0202 USB */ | 
|  | case USB_ID(0x041e, 0x3f04): /* E-Mu 0404 USB */ | 
|  | case USB_ID(0x041e, 0x3f0a): /* E-Mu Tracker Pre */ | 
|  | case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */ | 
|  | set_format_emu_quirk(subs, fmt); | 
|  | break; | 
|  | case USB_ID(0x534d, 0x0021): /* MacroSilicon MS2100/MS2106 */ | 
|  | case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */ | 
|  | subs->stream_offset_adj = 2; | 
|  | break; | 
|  | case USB_ID(0x2b73, 0x0013): /* Pioneer DJM-450 */ | 
|  | pioneer_djm_set_format_quirk(subs, 0x0082); | 
|  | break; | 
|  | case USB_ID(0x08e4, 0x017f): /* Pioneer DJM-750 */ | 
|  | case USB_ID(0x08e4, 0x0163): /* Pioneer DJM-850 */ | 
|  | pioneer_djm_set_format_quirk(subs, 0x0086); | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | int snd_usb_select_mode_quirk(struct snd_usb_audio *chip, | 
|  | const struct audioformat *fmt) | 
|  | { | 
|  | struct usb_device *dev = chip->dev; | 
|  | int err; | 
|  |  | 
|  | if (chip->quirk_flags & QUIRK_FLAG_ITF_USB_DSD_DAC) { | 
|  | /* First switch to alt set 0, otherwise the mode switch cmd | 
|  | * will not be accepted by the DAC | 
|  | */ | 
|  | err = usb_set_interface(dev, fmt->iface, 0); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | msleep(20); /* Delay needed after setting the interface */ | 
|  |  | 
|  | /* Vendor mode switch cmd is required. */ | 
|  | if (fmt->formats & SNDRV_PCM_FMTBIT_DSD_U32_BE) { | 
|  | /* DSD mode (DSD_U32) requested */ | 
|  | err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, | 
|  | USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, | 
|  | 1, 1, NULL, 0); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | } else { | 
|  | /* PCM or DOP mode (S32) requested */ | 
|  | /* PCM mode (S16) requested */ | 
|  | err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), 0, | 
|  | USB_DIR_OUT|USB_TYPE_VENDOR|USB_RECIP_INTERFACE, | 
|  | 0, 1, NULL, 0); | 
|  | if (err < 0) | 
|  | return err; | 
|  |  | 
|  | } | 
|  | msleep(20); | 
|  | } | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) | 
|  | { | 
|  | /* | 
|  | * "Playback Design" products send bogus feedback data at the start | 
|  | * of the stream. Ignore them. | 
|  | */ | 
|  | if (USB_ID_VENDOR(ep->chip->usb_id) == 0x23ba && | 
|  | ep->type == SND_USB_ENDPOINT_TYPE_SYNC) | 
|  | ep->skip_packets = 4; | 
|  |  | 
|  | /* | 
|  | * M-Audio Fast Track C400/C600 - when packets are not skipped, real | 
|  | * world latency varies by approx. +/- 50 frames (at 96kHz) each time | 
|  | * the stream is (re)started. When skipping packets 16 at endpoint | 
|  | * start up, the real world latency is stable within +/- 1 frame (also | 
|  | * across power cycles). | 
|  | */ | 
|  | if ((ep->chip->usb_id == USB_ID(0x0763, 0x2030) || | 
|  | ep->chip->usb_id == USB_ID(0x0763, 0x2031)) && | 
|  | ep->type == SND_USB_ENDPOINT_TYPE_DATA) | 
|  | ep->skip_packets = 16; | 
|  |  | 
|  | /* Work around devices that report unreasonable feedback data */ | 
|  | if ((ep->chip->usb_id == USB_ID(0x0644, 0x8038) ||  /* TEAC UD-H01 */ | 
|  | ep->chip->usb_id == USB_ID(0x1852, 0x5034)) && /* T+A Dac8 */ | 
|  | ep->syncmaxsize == 4) | 
|  | ep->tenor_fb_quirk = 1; | 
|  | } | 
|  |  | 
|  | /* quirk applied after snd_usb_ctl_msg(); not applied during boot quirks */ | 
|  | void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, | 
|  | __u8 request, __u8 requesttype, __u16 value, | 
|  | __u16 index, void *data, __u16 size) | 
|  | { | 
|  | struct snd_usb_audio *chip = dev_get_drvdata(&dev->dev); | 
|  |  | 
|  | if (!chip || (requesttype & USB_TYPE_MASK) != USB_TYPE_CLASS) | 
|  | return; | 
|  |  | 
|  | if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY) | 
|  | msleep(20); | 
|  | else if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY_1M) | 
|  | usleep_range(1000, 2000); | 
|  | else if (chip->quirk_flags & QUIRK_FLAG_CTL_MSG_DELAY_5M) | 
|  | usleep_range(5000, 6000); | 
|  | } | 
|  |  | 
|  | /* | 
|  | * snd_usb_interface_dsd_format_quirks() is called from format.c to | 
|  | * augment the PCM format bit-field for DSD types. The UAC standards | 
|  | * don't have a designated bit field to denote DSD-capable interfaces, | 
|  | * hence all hardware that is known to support this format has to be | 
|  | * listed here. | 
|  | */ | 
|  | u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip, | 
|  | struct audioformat *fp, | 
|  | unsigned int sample_bytes) | 
|  | { | 
|  | struct usb_interface *iface; | 
|  |  | 
|  | /* Playback Designs */ | 
|  | if (USB_ID_VENDOR(chip->usb_id) == 0x23ba && | 
|  | USB_ID_PRODUCT(chip->usb_id) < 0x0110) { | 
|  | switch (fp->altsetting) { | 
|  | case 1: | 
|  | fp->dsd_dop = true; | 
|  | return SNDRV_PCM_FMTBIT_DSD_U16_LE; | 
|  | case 2: | 
|  | fp->dsd_bitrev = true; | 
|  | return SNDRV_PCM_FMTBIT_DSD_U8; | 
|  | case 3: | 
|  | fp->dsd_bitrev = true; | 
|  | return SNDRV_PCM_FMTBIT_DSD_U16_LE; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* XMOS based USB DACs */ | 
|  | switch (chip->usb_id) { | 
|  | case USB_ID(0x139f, 0x5504): /* Nagra DAC */ | 
|  | case USB_ID(0x20b1, 0x3089): /* Mola-Mola DAC */ | 
|  | case USB_ID(0x2522, 0x0007): /* LH Labs Geek Out 1V5 */ | 
|  | case USB_ID(0x2522, 0x0009): /* LH Labs Geek Pulse X Inifinity 2V0 */ | 
|  | case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */ | 
|  | case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */ | 
|  | if (fp->altsetting == 2) | 
|  | return SNDRV_PCM_FMTBIT_DSD_U32_BE; | 
|  | break; | 
|  |  | 
|  | case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */ | 
|  | case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */ | 
|  | case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */ | 
|  | case USB_ID(0x16d0, 0x06b4): /* NuPrime Audio HD-AVP/AVA */ | 
|  | case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */ | 
|  | case USB_ID(0x16d0, 0x09d8): /* NuPrime IDA-8 */ | 
|  | case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */ | 
|  | case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */ | 
|  | case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */ | 
|  | case USB_ID(0x20a0, 0x4143): /* WaveIO USB Audio 2.0 */ | 
|  | case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */ | 
|  | case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */ | 
|  | case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */ | 
|  | case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */ | 
|  | case USB_ID(0x278b, 0x5100): /* Rotel RC-1590 */ | 
|  | case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */ | 
|  | case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */ | 
|  | case USB_ID(0x6b42, 0x0042): /* MSB Technology */ | 
|  | if (fp->altsetting == 3) | 
|  | return SNDRV_PCM_FMTBIT_DSD_U32_BE; | 
|  | break; | 
|  |  | 
|  | /* Amanero Combo384 USB based DACs with native DSD support */ | 
|  | case USB_ID(0x16d0, 0x071a):  /* Amanero - Combo384 */ | 
|  | if (fp->altsetting == 2) { | 
|  | switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) { | 
|  | case 0x199: | 
|  | return SNDRV_PCM_FMTBIT_DSD_U32_LE; | 
|  | case 0x19b: | 
|  | case 0x203: | 
|  | return SNDRV_PCM_FMTBIT_DSD_U32_BE; | 
|  | default: | 
|  | break; | 
|  | } | 
|  | } | 
|  | break; | 
|  | case USB_ID(0x16d0, 0x0a23): | 
|  | if (fp->altsetting == 2) | 
|  | return SNDRV_PCM_FMTBIT_DSD_U32_BE; | 
|  | break; | 
|  |  | 
|  | default: | 
|  | break; | 
|  | } | 
|  |  | 
|  | /* ITF-USB DSD based DACs */ | 
|  | if (chip->quirk_flags & QUIRK_FLAG_ITF_USB_DSD_DAC) { | 
|  | iface = usb_ifnum_to_if(chip->dev, fp->iface); | 
|  |  | 
|  | /* Altsetting 2 support native DSD if the num of altsets is | 
|  | * three (0-2), | 
|  | * Altsetting 3 support native DSD if the num of altsets is | 
|  | * four (0-3). | 
|  | */ | 
|  | if (fp->altsetting == iface->num_altsetting - 1) | 
|  | return SNDRV_PCM_FMTBIT_DSD_U32_BE; | 
|  | } | 
|  |  | 
|  | /* Mostly generic method to detect many DSD-capable implementations */ | 
|  | if ((chip->quirk_flags & QUIRK_FLAG_DSD_RAW) && fp->dsd_raw) | 
|  | return SNDRV_PCM_FMTBIT_DSD_U32_BE; | 
|  |  | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | void snd_usb_audioformat_attributes_quirk(struct snd_usb_audio *chip, | 
|  | struct audioformat *fp, | 
|  | int stream) | 
|  | { | 
|  | switch (chip->usb_id) { | 
|  | case USB_ID(0x0a92, 0x0053): /* AudioTrak Optoplay */ | 
|  | /* Optoplay sets the sample rate attribute although | 
|  | * it seems not supporting it in fact. | 
|  | */ | 
|  | fp->attributes &= ~UAC_EP_CS_ATTR_SAMPLE_RATE; | 
|  | break; | 
|  | case USB_ID(0x041e, 0x3020): /* Creative SB Audigy 2 NX */ | 
|  | case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ | 
|  | /* doesn't set the sample rate attribute, but supports it */ | 
|  | fp->attributes |= UAC_EP_CS_ATTR_SAMPLE_RATE; | 
|  | break; | 
|  | case USB_ID(0x0763, 0x2001):  /* M-Audio Quattro USB */ | 
|  | case USB_ID(0x0763, 0x2012):  /* M-Audio Fast Track Pro USB */ | 
|  | case USB_ID(0x047f, 0x0ca1): /* plantronics headset */ | 
|  | case USB_ID(0x077d, 0x07af): /* Griffin iMic (note that there is | 
|  | an older model 77d:223) */ | 
|  | /* | 
|  | * plantronics headset and Griffin iMic have set adaptive-in | 
|  | * although it's really not... | 
|  | */ | 
|  | fp->ep_attr &= ~USB_ENDPOINT_SYNCTYPE; | 
|  | if (stream == SNDRV_PCM_STREAM_PLAYBACK) | 
|  | fp->ep_attr |= USB_ENDPOINT_SYNC_ADAPTIVE; | 
|  | else | 
|  | fp->ep_attr |= USB_ENDPOINT_SYNC_SYNC; | 
|  | break; | 
|  | case USB_ID(0x07fd, 0x0004):  /* MOTU MicroBook IIc */ | 
|  | /* | 
|  | * MaxPacketsOnly attribute is erroneously set in endpoint | 
|  | * descriptors. As a result this card produces noise with | 
|  | * all sample rates other than 96 kHz. | 
|  | */ | 
|  | fp->attributes &= ~UAC_EP_CS_ATTR_FILL_MAX; | 
|  | break; | 
|  | case USB_ID(0x1224, 0x2a25):  /* Jieli Technology USB PHY 2.0 */ | 
|  | /* mic works only when ep packet size is set to wMaxPacketSize */ | 
|  | fp->attributes |= UAC_EP_CS_ATTR_FILL_MAX; | 
|  | break; | 
|  | case USB_ID(0x3511, 0x2b1e): /* Opencomm2 UC USB Bluetooth dongle */ | 
|  | /* mic works only when ep pitch control is not set */ | 
|  | if (stream == SNDRV_PCM_STREAM_CAPTURE) | 
|  | fp->attributes &= ~UAC_EP_CS_ATTR_PITCH_CONTROL; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | /* | 
|  | * driver behavior quirk flags | 
|  | */ | 
|  | struct usb_audio_quirk_flags_table { | 
|  | u32 id; | 
|  | u32 flags; | 
|  | }; | 
|  |  | 
|  | #define DEVICE_FLG(vid, pid, _flags) \ | 
|  | { .id = USB_ID(vid, pid), .flags = (_flags) } | 
|  | #define VENDOR_FLG(vid, _flags) DEVICE_FLG(vid, 0, _flags) | 
|  |  | 
|  | static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { | 
|  | /* Device matches */ | 
|  | DEVICE_FLG(0x03f0, 0x654a, /* HP 320 FHD Webcam */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16), | 
|  | DEVICE_FLG(0x041e, 0x3000, /* Creative SB Extigy */ | 
|  | QUIRK_FLAG_IGNORE_CTL_ERROR), | 
|  | DEVICE_FLG(0x041e, 0x4080, /* Creative Live Cam VF0610 */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x045e, 0x083c, /* MS USB Link headset */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY | | 
|  | QUIRK_FLAG_DISABLE_AUTOSUSPEND), | 
|  | DEVICE_FLG(0x046d, 0x0807, /* Logitech Webcam C500 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x0808, /* Logitech Webcam C600 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x0809, | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x0819, /* Logitech Webcam C210 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x081b, /* HD Webcam c310 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x081d, /* HD Webcam c510 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x0825, /* HD Webcam c270 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x0826, /* HD Webcam c525 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x084c, /* Logitech ConferenceCam Connect */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY_1M), | 
|  | DEVICE_FLG(0x046d, 0x08ca, /* Logitech Quickcam Fusion */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x0991, /* Logitech QuickCam Pro */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR | | 
|  | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x09a2, /* QuickCam Communicate Deluxe/S7500 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), | 
|  | DEVICE_FLG(0x046d, 0x09a4, /* Logitech QuickCam E 3500 */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_IGNORE_CTL_ERROR), | 
|  | DEVICE_FLG(0x0499, 0x1506, /* Yamaha THR5 */ | 
|  | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x0499, 0x1509, /* Steinberg UR22 */ | 
|  | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x0499, 0x3108, /* Yamaha YIT-W12TX */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x04d8, 0xfeea, /* Benchmark DAC1 Pre */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x04e8, 0xa051, /* Samsung USBC Headset (AKG) */ | 
|  | QUIRK_FLAG_SKIP_CLOCK_SELECTOR | QUIRK_FLAG_CTL_MSG_DELAY_5M), | 
|  | DEVICE_FLG(0x0525, 0xa4ad, /* Hamedal C20 usb camero */ | 
|  | QUIRK_FLAG_IFACE_SKIP_CLOSE), | 
|  | DEVICE_FLG(0x054c, 0x0b8c, /* Sony WALKMAN NW-A45 DAC */ | 
|  | QUIRK_FLAG_SET_IFACE_FIRST), | 
|  | DEVICE_FLG(0x0556, 0x0014, /* Phoenix Audio TMX320VC */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x05a3, 0x9420, /* ELP HD USB Camera */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x05a7, 0x1020, /* Bose Companion 5 */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x05e1, 0x0408, /* Syntek STK1160 */ | 
|  | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x05e1, 0x0480, /* Hauppauge Woodbury */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x0644, 0x8043, /* TEAC UD-501/UD-501V2/UD-503/NT-503 */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY | | 
|  | QUIRK_FLAG_IFACE_DELAY), | 
|  | DEVICE_FLG(0x0644, 0x8044, /* Esoteric D-05X */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY | | 
|  | QUIRK_FLAG_IFACE_DELAY), | 
|  | DEVICE_FLG(0x0644, 0x804a, /* TEAC UD-301 */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY | | 
|  | QUIRK_FLAG_IFACE_DELAY), | 
|  | DEVICE_FLG(0x0644, 0x805f, /* TEAC Model 12 */ | 
|  | QUIRK_FLAG_FORCE_IFACE_RESET), | 
|  | DEVICE_FLG(0x0644, 0x806b, /* TEAC UD-701 */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY | | 
|  | QUIRK_FLAG_IFACE_DELAY), | 
|  | DEVICE_FLG(0x06f8, 0xb000, /* Hercules DJ Console (Windows Edition) */ | 
|  | QUIRK_FLAG_IGNORE_CTL_ERROR), | 
|  | DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */ | 
|  | QUIRK_FLAG_IGNORE_CTL_ERROR), | 
|  | DEVICE_FLG(0x0711, 0x5800, /* MCT Trigger 5 USB-to-HDMI */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x0763, 0x2030, /* M-Audio Fast Track C400 */ | 
|  | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x0763, 0x2031, /* M-Audio Fast Track C600 */ | 
|  | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x07fd, 0x000b, /* MOTU M Series 2nd hardware revision */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M), | 
|  | DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */ | 
|  | QUIRK_FLAG_IGNORE_CTL_ERROR), | 
|  | DEVICE_FLG(0x0951, 0x16ad, /* Kingston HyperX */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M), | 
|  | DEVICE_FLG(0x0b0e, 0x0349, /* Jabra 550a */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M), | 
|  | DEVICE_FLG(0x0c45, 0x6340, /* Sonix HD USB Camera */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x0ecb, 0x205c, /* JBL Quantum610 Wireless */ | 
|  | QUIRK_FLAG_FIXED_RATE), | 
|  | DEVICE_FLG(0x0ecb, 0x2069, /* JBL Quantum810 Wireless */ | 
|  | QUIRK_FLAG_FIXED_RATE), | 
|  | DEVICE_FLG(0x0fd9, 0x0008, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x1224, 0x2a25, /* Jieli Technology USB PHY 2.0 */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16), | 
|  | DEVICE_FLG(0x1395, 0x740a, /* Sennheiser DECT */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x1397, 0x0507, /* Behringer UMC202HD */ | 
|  | QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x1397, 0x0508, /* Behringer UMC204HD */ | 
|  | QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x1397, 0x0509, /* Behringer UMC404HD */ | 
|  | QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x13e5, 0x0001, /* Serato Phono */ | 
|  | QUIRK_FLAG_IGNORE_CTL_ERROR), | 
|  | DEVICE_FLG(0x154e, 0x1002, /* Denon DCD-1500RE */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), | 
|  | DEVICE_FLG(0x154e, 0x1003, /* Denon DA-300USB */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), | 
|  | DEVICE_FLG(0x154e, 0x3005, /* Marantz HD-DAC1 */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), | 
|  | DEVICE_FLG(0x154e, 0x3006, /* Marantz SA-14S1 */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), | 
|  | DEVICE_FLG(0x154e, 0x300b, /* Marantz SA-KI RUBY / SA-12 */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | DEVICE_FLG(0x154e, 0x500e, /* Denon DN-X1600 */ | 
|  | QUIRK_FLAG_IGNORE_CLOCK_SOURCE), | 
|  | DEVICE_FLG(0x1686, 0x00dd, /* Zoom R16/24 */ | 
|  | QUIRK_FLAG_TX_LENGTH | QUIRK_FLAG_CTL_MSG_DELAY_1M), | 
|  | DEVICE_FLG(0x17aa, 0x1046, /* Lenovo ThinkStation P620 Rear Line-in, Line-out and Microphone */ | 
|  | QUIRK_FLAG_DISABLE_AUTOSUSPEND), | 
|  | DEVICE_FLG(0x17aa, 0x104d, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */ | 
|  | QUIRK_FLAG_DISABLE_AUTOSUSPEND), | 
|  | DEVICE_FLG(0x1852, 0x5062, /* Luxman D-08u */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), | 
|  | DEVICE_FLG(0x1852, 0x5065, /* Luxman DA-06 */ | 
|  | QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY), | 
|  | DEVICE_FLG(0x1901, 0x0191, /* GE B850V3 CP2114 audio interface */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x19f7, 0x0035, /* RODE NT-USB+ */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x1bcf, 0x2281, /* HD Webcam */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16), | 
|  | DEVICE_FLG(0x1bcf, 0x2283, /* NexiGo N930AF FHD Webcam */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_MIC_RES_16), | 
|  | DEVICE_FLG(0x2040, 0x7200, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7201, /* Hauppauge HVR-950Q-MXL */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7210, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7211, /* Hauppauge HVR-950Q-MXL */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7213, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7217, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x721b, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x721e, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x721f, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7240, /* Hauppauge HVR-850 */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7260, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7270, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7280, /* Hauppauge HVR-950Q */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x7281, /* Hauppauge HVR-950Q-MXL */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x2040, 0x8200, /* Hauppauge Woodbury */ | 
|  | QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x21b4, 0x0081, /* AudioQuest DragonFly */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x21b4, 0x0230, /* Ayre QB-9 Twenty */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | DEVICE_FLG(0x21b4, 0x0232, /* Ayre QX-5 Twenty */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | DEVICE_FLG(0x2522, 0x0007, /* LH Labs Geek Out HD Audio 1V5 */ | 
|  | QUIRK_FLAG_SET_IFACE_FIRST), | 
|  | DEVICE_FLG(0x2708, 0x0002, /* Audient iD14 */ | 
|  | QUIRK_FLAG_IGNORE_CTL_ERROR), | 
|  | DEVICE_FLG(0x2912, 0x30c8, /* Audioengine D1 */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x2b53, 0x0023, /* Fiero SC-01 (firmware v1.0.0 @ 48 kHz) */ | 
|  | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x2b53, 0x0024, /* Fiero SC-01 (firmware v1.0.0 @ 96 kHz) */ | 
|  | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x2b53, 0x0031, /* Fiero SC-01 (firmware v1.1.0) */ | 
|  | QUIRK_FLAG_GENERIC_IMPLICIT_FB), | 
|  | DEVICE_FLG(0x2d95, 0x8011, /* VIVO USB-C HEADSET */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M), | 
|  | DEVICE_FLG(0x2d95, 0x8021, /* VIVO USB-C-XE710 HEADSET */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M), | 
|  | DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */ | 
|  | QUIRK_FLAG_IGNORE_CTL_ERROR), | 
|  | DEVICE_FLG(0x413c, 0xa506, /* Dell AE515 sound bar */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | DEVICE_FLG(0x534d, 0x0021, /* MacroSilicon MS2100/MS2106 */ | 
|  | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  | DEVICE_FLG(0x534d, 0x2109, /* MacroSilicon MS2109 */ | 
|  | QUIRK_FLAG_ALIGN_TRANSFER), | 
|  |  | 
|  | /* Vendor matches */ | 
|  | VENDOR_FLG(0x045e, /* MS Lifecam */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | VENDOR_FLG(0x046d, /* Logitech */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY_1M), | 
|  | VENDOR_FLG(0x047f, /* Plantronics */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY), | 
|  | VENDOR_FLG(0x0644, /* TEAC Corp. */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY), | 
|  | VENDOR_FLG(0x07fd, /* MOTU */ | 
|  | QUIRK_FLAG_VALIDATE_RATES), | 
|  | VENDOR_FLG(0x1235, /* Focusrite Novation */ | 
|  | QUIRK_FLAG_VALIDATE_RATES), | 
|  | VENDOR_FLG(0x1511, /* AURALiC */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x152a, /* Thesycon devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x18d1, /* iBasso devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x1de7, /* Phoenix Audio */ | 
|  | QUIRK_FLAG_GET_SAMPLE_RATE), | 
|  | VENDOR_FLG(0x20b1, /* XMOS based devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x21ed, /* Accuphase Laboratory */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x22d9, /* Oppo */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x23ba, /* Playback Design */ | 
|  | QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_IFACE_DELAY | | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x25ce, /* Mytek devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x278b, /* Rotel? */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x292b, /* Gustard/Ess based devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x2972, /* FiiO devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x2ab6, /* T+A devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x2afd, /* McIntosh Laboratory, Inc. */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x2d87, /* Cayin device */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x3336, /* HEM devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x3353, /* Khadas devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x35f4, /* MSB Technology */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0x3842, /* EVGA */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  | VENDOR_FLG(0xc502, /* HiBy devices */ | 
|  | QUIRK_FLAG_DSD_RAW), | 
|  |  | 
|  | {} /* terminator */ | 
|  | }; | 
|  |  | 
|  | void snd_usb_init_quirk_flags(struct snd_usb_audio *chip) | 
|  | { | 
|  | const struct usb_audio_quirk_flags_table *p; | 
|  |  | 
|  | for (p = quirk_flags_table; p->id; p++) { | 
|  | if (chip->usb_id == p->id || | 
|  | (!USB_ID_PRODUCT(p->id) && | 
|  | USB_ID_VENDOR(chip->usb_id) == USB_ID_VENDOR(p->id))) { | 
|  | usb_audio_dbg(chip, | 
|  | "Set quirk_flags 0x%x for device %04x:%04x\n", | 
|  | p->flags, USB_ID_VENDOR(chip->usb_id), | 
|  | USB_ID_PRODUCT(chip->usb_id)); | 
|  | chip->quirk_flags |= p->flags; | 
|  | return; | 
|  | } | 
|  | } | 
|  | } |