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-rw-r--r--sound/usb/quirks.c763
1 files changed, 763 insertions, 0 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
new file mode 100644
index 00000000..27817266
--- /dev/null
+++ b/sound/usb/quirks.c
@@ -0,0 +1,763 @@
+/*
+ * 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 <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];
+ fp->datainterval = snd_usb_parse_datainterval(chip, alts);
+ 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;
+}
+
+/*
+ * 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_MIDI_STANDARD_INTERFACE] = create_any_midi_quirk,
+ [QUIRK_MIDI_FIXED_ENDPOINT] = create_any_midi_quirk,
+ [QUIRK_MIDI_YAMAHA] = 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);
+ 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;
+}
+
+/*
+ * 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,
+ cpu_to_le16(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;
+}
+
+/*
+ * 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(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 wether 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);
+}
+
+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;
+ }
+}
+
generated by cgit (git 2.34.1) at 2024-12-20 08:20:22 +0000