| /* |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/slab.h> |
| #include <linux/usb.h> |
| #include <linux/usb/audio.h> |
| #include <linux/usb/midi.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) |
| { |
| int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; |
| int err; |
| |
| for (quirk = quirk->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; |
| if (quirk->ifnum != probed_ifnum) |
| usb_driver_claim_interface(driver, iface, (void *)-1L); |
| } |
| 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; |
| } |
| |
| |
| /* |
| * Allow alignment on audio sub-slot (channel samples) rather than |
| * on audio slots (audio frames) |
| */ |
| static int create_align_transfer_quirk(struct snd_usb_audio *chip, |
| struct usb_interface *iface, |
| struct usb_driver *driver, |
| const struct snd_usb_audio_quirk *quirk) |
| { |
| chip->txfr_quirk = 1; |
| return 1; /* Continue with creating streams and mixer */ |
| } |
| |
| 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) { |
| snd_printk(KERN_ERR "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 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; |
| int stream, err; |
| unsigned *rate_table = NULL; |
| |
| fp = kmemdup(quirk->data, sizeof(*fp), GFP_KERNEL); |
| if (!fp) { |
| snd_printk(KERN_ERR "cannot memdup\n"); |
| return -ENOMEM; |
| } |
| 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; |
| } |
| |
| stream = (fp->endpoint & USB_DIR_IN) |
| ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; |
| err = snd_usb_add_audio_stream(chip, stream, fp); |
| if (err < 0) { |
| kfree(fp); |
| kfree(rate_table); |
| return err; |
| } |
| if (fp->iface != get_iface_desc(&iface->altsetting[0])->bInterfaceNumber || |
| fp->altset_idx >= iface->num_altsetting) { |
| kfree(fp); |
| kfree(rate_table); |
| return -EINVAL; |
| } |
| alts = &iface->altsetting[fp->altset_idx]; |
| if (fp->datainterval == 0) |
| fp->datainterval = snd_usb_parse_datainterval(chip, alts); |
| if (fp->maxpacksize == 0) |
| fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize); |
| usb_set_interface(chip->dev, fp->iface, 0); |
| snd_usb_init_pitch(chip, fp->iface, alts, fp); |
| snd_usb_init_sample_rate(chip, fp->iface, alts, fp, fp->rate_max); |
| return 0; |
| } |
| |
| 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 && (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 < 0 && err != -ENODEV) |
| return err; |
| break; |
| case 0x0582: /* Roland */ |
| err = create_roland_midi_quirk(chip, iface, driver, alts); |
| if (err < 0 && 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) |
| { |
| int err; |
| |
| err = create_auto_pcm_quirk(chip, iface, driver); |
| if (err == -ENODEV) |
| err = create_auto_midi_quirk(chip, iface, driver); |
| return err; |
| } |
| |
| static int create_autodetect_quirks(struct snd_usb_audio *chip, |
| struct usb_interface *iface, |
| struct usb_driver *driver, |
| const struct snd_usb_audio_quirk *quirk) |
| { |
| int probed_ifnum = get_iface_desc(iface->altsetting)->bInterfaceNumber; |
| int ifcount, ifnum, err; |
| |
| err = create_autodetect_quirk(chip, iface, driver); |
| if (err < 0) |
| return err; |
| |
| /* |
| * ALSA PCM playback/capture devices cannot be registered in two steps, |
| * so we have to claim the other corresponding interface here. |
| */ |
| ifcount = chip->dev->actconfig->desc.bNumInterfaces; |
| for (ifnum = 0; ifnum < ifcount; ifnum++) { |
| if (ifnum == probed_ifnum || quirk->ifnum >= 0) |
| continue; |
| iface = usb_ifnum_to_if(chip->dev, ifnum); |
| if (!iface || |
| usb_interface_claimed(iface) || |
| get_iface_desc(iface->altsetting)->bInterfaceClass != |
| USB_CLASS_VENDOR_SPEC) |
| continue; |
| |
| err = create_autodetect_quirk(chip, iface, driver); |
| if (err >= 0) |
| usb_driver_claim_interface(driver, iface, (void *)-1L); |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * 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 stream, 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); |
| } |
| |
| 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); |
| |
| 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: |
| snd_printk(KERN_ERR "unknown sample rate\n"); |
| kfree(fp); |
| return -ENXIO; |
| } |
| |
| stream = (fp->endpoint & USB_DIR_IN) |
| ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; |
| err = snd_usb_add_audio_stream(chip, stream, fp); |
| if (err < 0) { |
| 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, 0); |
| } |
| |
| /* |
| * 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_quirks, |
| [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_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk, |
| [QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk, |
| [QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk, |
| [QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_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 { |
| snd_printd(KERN_ERR "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; |
| 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) { |
| snd_printdd("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) snd_printdd("error sending boot message: %d\n", err); |
| err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, |
| &dev->descriptor, sizeof(dev->descriptor)); |
| config = dev->actconfig; |
| if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err); |
| err = usb_reset_configuration(dev); |
| if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err); |
| snd_printdd("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) { |
| snd_printk(KERN_INFO "usb-audio: " |
| "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) |
| snd_printdd("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 |
| snd_printk(KERN_INFO "usb-audio: 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); |
| } |
| |
| /* |
| * C-Media CM6206 is based on CM106 with two additional |
| * registers that are not documented in the data sheet. |
| * Values here are chosen based on sniffing USB traffic |
| * under Windows. |
| */ |
| static int snd_usb_cm6206_boot_quirk(struct usb_device *dev) |
| { |
| int err = 0, reg; |
| int val[] = {0x2004, 0x3000, 0xf800, 0x143f, 0x0000, 0x3000}; |
| |
| 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; |
| } |
| |
| /* |
| * Novation Twitch DJ controller |
| */ |
| static int snd_usb_twitch_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 = 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 = 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; |
| int err; |
| u8 bootresponse[0x12]; |
| int fwsize; |
| int count; |
| |
| fwsize = le16_to_cpu(get_cfg_desc(config)->wTotalLength); |
| |
| if (fwsize != MBOX2_FIRMWARE_SIZE) { |
| snd_printk(KERN_ERR "usb-audio: Invalid firmware size=%d.\n", fwsize); |
| return -ENODEV; |
| } |
| |
| snd_printd("usb-audio: 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; |
| snd_printd("usb-audio: device not ready, resending boot sequence...\n"); |
| count++; |
| } |
| |
| if (bootresponse[0] != MBOX2_BOOT_READY) { |
| snd_printk(KERN_ERR "usb-audio: Unknown bootresponse=%d, or timed out, ignoring device.\n", bootresponse[0]); |
| return -ENODEV; |
| } |
| |
| snd_printdd("usb-audio: device initialised!\n"); |
| |
| err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, |
| &dev->descriptor, sizeof(dev->descriptor)); |
| config = dev->actconfig; |
| if (err < 0) |
| snd_printd("error usb_get_descriptor: %d\n", err); |
| |
| err = usb_reset_configuration(dev); |
| if (err < 0) |
| snd_printd("error usb_reset_configuration: %d\n", err); |
| snd_printdd("mbox2_boot: new boot length = %d\n", |
| le16_to_cpu(get_cfg_desc(config)->wTotalLength)); |
| |
| mbox2_setup_48_24_magic(dev); |
| |
| snd_printk(KERN_INFO "usb-audio: Digidesign Mbox 2: 24bit 48kHz"); |
| |
| return 0; /* Successful boot */ |
| } |
| |
| /* |
| * 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 */ |
| } |
| } |
| snd_printdd(KERN_INFO |
| "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; |
| } |
| |
| snd_printdd(KERN_INFO |
| "using altsetting %d for interface %d config %d\n", |
| altno, iface, chip->setup); |
| return 0; /* keep this altsetting */ |
| } |
| |
| 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); |
| |
| return 0; |
| } |
| |
| int snd_usb_apply_boot_quirk(struct usb_device *dev, |
| struct usb_interface *intf, |
| const struct snd_usb_audio_quirk *quirk) |
| { |
| u32 id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), |
| le16_to_cpu(dev->descriptor.idProduct)); |
| |
| 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(0x1235, 0x0018): |
| /* Focusrite Novation Twitch */ |
| return snd_usb_twitch_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); |
| } |
| |
| return 0; |
| } |
| |
| /* |
| * check if the device uses big-endian samples |
| */ |
| int snd_usb_is_big_endian_format(struct snd_usb_audio *chip, 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, |
| 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].interface != -1) |
| 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; |
| } |
| |
| void snd_usb_set_format_quirk(struct snd_usb_substream *subs, |
| 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; |
| } |
| } |
| |
| 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 ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 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; |
| } |
| |
| void snd_usb_set_interface_quirk(struct usb_device *dev) |
| { |
| /* |
| * "Playback Design" products need a 50ms delay after setting the |
| * USB interface. |
| */ |
| if (le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) |
| mdelay(50); |
| } |
| |
| 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) |
| { |
| /* |
| * "Playback Design" products need a 20ms delay after each |
| * class compliant request |
| */ |
| if ((le16_to_cpu(dev->descriptor.idVendor) == 0x23ba) && |
| (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS) |
| mdelay(20); |
| } |
| |
| /* |
| * 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) |
| { |
| /* Playback Designs */ |
| if (le16_to_cpu(chip->dev->descriptor.idVendor) == 0x23ba) { |
| 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; |
| } |
| } |
| |
| return 0; |
| } |