Merge commit 'origin'

Manual fixup of conflicts on:

	arch/powerpc/include/asm/dcr-regs.h
	drivers/net/ibm_newemac/core.h

12 files changed, 1768 insertions, 38 deletions

diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig
index ffcdc8f4ef6..4f0eac9bff1 100644
--- a/sound/usb/Kconfig
+++ b/sound/usb/Kconfig
@@ -67,5 +67,17 @@ config SND_USB_CAIAQ_INPUT
 	   * Native Instruments Kore Controller 2
 	   * Native Instruments Audio Kontrol 1
 
+config SND_USB_US122L
+	tristate "Tascam US-122L USB driver"
+	depends on X86 && EXPERIMENTAL
+	select SND_HWDEP
+	select SND_RAWMIDI
+	help
+	  Say Y here to include support for Tascam US-122L USB Audio/MIDI
+	  interfaces.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called snd-usb-us122l.
+
 endif	# SND_USB
 
diff --git a/sound/usb/Makefile b/sound/usb/Makefile
index aa252ef2ebf..abb288bfe35 100644
--- a/sound/usb/Makefile
+++ b/sound/usb/Makefile
@@ -8,5 +8,6 @@ snd-usb-lib-objs := usbmidi.o
 # Toplevel Module Dependency
 obj-$(CONFIG_SND_USB_AUDIO) += snd-usb-audio.o snd-usb-lib.o
 obj-$(CONFIG_SND_USB_USX2Y) += snd-usb-lib.o
+obj-$(CONFIG_SND_USB_US122L) += snd-usb-lib.o
 
 obj-$(CONFIG_SND) += usx2y/ caiaq/
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index b8cfb7c2276..bbd70d5814a 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -71,6 +71,7 @@ static int pid[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = -1 };
 static int nrpacks = 8;		/* max. number of packets per urb */
 static int async_unlink = 1;
 static int device_setup[SNDRV_CARDS]; /* device parameter for this card*/
+static int ignore_ctl_error;
 
 module_param_array(index, int, NULL, 0444);
 MODULE_PARM_DESC(index, "Index value for the USB audio adapter.");
@@ -88,7 +89,9 @@ module_param(async_unlink, bool, 0444);
 MODULE_PARM_DESC(async_unlink, "Use async unlink mode.");
 module_param_array(device_setup, int, NULL, 0444);
 MODULE_PARM_DESC(device_setup, "Specific device setup (if needed).");
-
+module_param(ignore_ctl_error, bool, 0444);
+MODULE_PARM_DESC(ignore_ctl_error,
+		 "Ignore errors from USB controller for mixer interfaces.");
 
 /*
  * debug the h/w constraints
@@ -481,7 +484,7 @@ static int retire_playback_sync_urb_hs(struct snd_usb_substream *subs,
 }
 
 /*
- * process after E-Mu 0202/0404 high speed playback sync complete
+ * process after E-Mu 0202/0404/Tracker Pre high speed playback sync complete
  *
  * These devices return the number of samples per packet instead of the number
  * of samples per microframe.
@@ -841,7 +844,8 @@ static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *ru
 		return -EBADFD;
 
 	for (i = 0; i < subs->nurbs; i++) {
-		snd_assert(subs->dataurb[i].urb, return -EINVAL);
+		if (snd_BUG_ON(!subs->dataurb[i].urb))
+			return -EINVAL;
 		if (subs->ops.prepare(subs, runtime, subs->dataurb[i].urb) < 0) {
 			snd_printk(KERN_ERR "cannot prepare datapipe for urb %d\n", i);
 			goto __error;
@@ -849,7 +853,8 @@ static int start_urbs(struct snd_usb_substream *subs, struct snd_pcm_runtime *ru
 	}
 	if (subs->syncpipe) {
 		for (i = 0; i < SYNC_URBS; i++) {
-			snd_assert(subs->syncurb[i].urb, return -EINVAL);
+			if (snd_BUG_ON(!subs->syncurb[i].urb))
+				return -EINVAL;
 			if (subs->ops.prepare_sync(subs, runtime, subs->syncurb[i].urb) < 0) {
 				snd_printk(KERN_ERR "cannot prepare syncpipe for urb %d\n", i);
 				goto __error;
@@ -1321,10 +1326,12 @@ static int set_format(struct snd_usb_substream *subs, struct audioformat *fmt)
 	int err;
 
 	iface = usb_ifnum_to_if(dev, fmt->iface);
-	snd_assert(iface, return -EINVAL);
+	if (WARN_ON(!iface))
+		return -EINVAL;
 	alts = &iface->altsetting[fmt->altset_idx];
 	altsd = get_iface_desc(alts);
-	snd_assert(altsd->bAlternateSetting == fmt->altsetting, return -EINVAL);
+	if (WARN_ON(altsd->bAlternateSetting != fmt->altsetting))
+		return -EINVAL;
 
 	if (fmt == subs->cur_audiofmt)
 		return 0;
@@ -2257,6 +2264,7 @@ static void init_substream(struct snd_usb_stream *as, int stream, struct audiofo
 		switch (as->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 */
 			subs->ops.retire_sync = retire_playback_sync_urb_hs_emu;
 			break;
 		}
@@ -2989,12 +2997,12 @@ static int create_standard_audio_quirk(struct snd_usb_audio *chip,
 }
 
 /*
- * Create a stream for an Edirol UA-700/UA-25 interface.  The only way
- * to detect the sample rate is by looking at wMaxPacketSize.
+ * 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_ua700_ua25_quirk(struct snd_usb_audio *chip,
-				   struct usb_interface *iface,
-				   const struct snd_usb_audio_quirk *quirk)
+static int create_uaxx_quirk(struct snd_usb_audio *chip,
+			      struct usb_interface *iface,
+			      const struct snd_usb_audio_quirk *quirk)
 {
 	static const struct audioformat ua_format = {
 		.format = SNDRV_PCM_FORMAT_S24_3LE,
@@ -3009,8 +3017,8 @@ static int create_ua700_ua25_quirk(struct snd_usb_audio *chip,
 	struct audioformat *fp;
 	int stream, err;
 
-	/* both PCM and MIDI interfaces have 2 altsettings */
-	if (iface->num_altsetting != 2)
+	/* 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);
@@ -3024,20 +3032,20 @@ static int create_ua700_ua25_quirk(struct snd_usb_audio *chip,
 			.type = QUIRK_MIDI_FIXED_ENDPOINT,
 			.data = &ua700_ep
 		};
-		static const struct snd_usb_midi_endpoint_info ua25_ep = {
+		static const struct snd_usb_midi_endpoint_info uaxx_ep = {
 			.out_cables = 0x0001,
 			.in_cables  = 0x0001
 		};
-		static const struct snd_usb_audio_quirk ua25_quirk = {
+		static const struct snd_usb_audio_quirk uaxx_quirk = {
 			.type = QUIRK_MIDI_FIXED_ENDPOINT,
-			.data = &ua25_ep
+			.data = &uaxx_ep
 		};
 		if (chip->usb_id == USB_ID(0x0582, 0x002b))
 			return snd_usb_create_midi_interface(chip, iface,
 							     &ua700_quirk);
 		else
 			return snd_usb_create_midi_interface(chip, iface,
-							     &ua25_quirk);
+							     &uaxx_quirk);
 	}
 
 	if (altsd->bNumEndpoints != 1)
@@ -3369,9 +3377,9 @@ static int snd_usb_create_quirk(struct snd_usb_audio *chip,
 		[QUIRK_MIDI_CME] = snd_usb_create_midi_interface,
 		[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
 		[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
-		[QUIRK_AUDIO_EDIROL_UA700_UA25] = create_ua700_ua25_quirk,
 		[QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
 		[QUIRK_AUDIO_EDIROL_UA101] = create_ua101_quirk,
+		[QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk
 	};
 
 	if (quirk->type < QUIRK_TYPE_COUNT) {
@@ -3629,7 +3637,7 @@ static void *snd_usb_audio_probe(struct usb_device *dev,
 	if (err > 0) {
 		/* create normal USB audio interfaces */
 		if (snd_usb_create_streams(chip, ifnum) < 0 ||
-		    snd_usb_create_mixer(chip, ifnum) < 0) {
+		    snd_usb_create_mixer(chip, ifnum, ignore_ctl_error) < 0) {
 			goto __error;
 		}
 	}
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 7cf18c38dc4..36e4f7a29ad 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -156,11 +156,12 @@ enum quirk_type {
 	QUIRK_MIDI_RAW,
 	QUIRK_MIDI_EMAGIC,
 	QUIRK_MIDI_CME,
+	QUIRK_MIDI_US122L,
 	QUIRK_AUDIO_STANDARD_INTERFACE,
 	QUIRK_AUDIO_FIXED_ENDPOINT,
-	QUIRK_AUDIO_EDIROL_UA700_UA25,
 	QUIRK_AUDIO_EDIROL_UA1000,
 	QUIRK_AUDIO_EDIROL_UA101,
+	QUIRK_AUDIO_EDIROL_UAXX,
 
 	QUIRK_TYPE_COUNT
 };
@@ -222,7 +223,8 @@ int snd_usb_ctl_msg(struct usb_device *dev, unsigned int pipe,
 		    __u8 request, __u8 requesttype, __u16 value, __u16 index,
 		    void *data, __u16 size, int timeout);
 
-int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif);
+int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
+			 int ignore_error);
 void snd_usb_mixer_disconnect(struct list_head *p);
 
 int snd_usb_create_midi_interface(struct snd_usb_audio *chip, struct usb_interface *iface,
diff --git a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
index 6676a177c99..5962e4b8442 100644
--- a/sound/usb/usbmidi.c
+++ b/sound/usb/usbmidi.c
@@ -669,6 +669,42 @@ static struct usb_protocol_ops snd_usbmidi_raw_ops = {
 	.output = snd_usbmidi_raw_output,
 };
 
+static void snd_usbmidi_us122l_input(struct snd_usb_midi_in_endpoint *ep,
+				     uint8_t *buffer, int buffer_length)
+{
+	if (buffer_length != 9)
+		return;
+	buffer_length = 8;
+	while (buffer_length && buffer[buffer_length - 1] == 0xFD)
+		buffer_length--;
+	if (buffer_length)
+		snd_usbmidi_input_data(ep, 0, buffer, buffer_length);
+}
+
+static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep)
+{
+	int count;
+
+	if (!ep->ports[0].active)
+		return;
+	count = ep->urb->dev->speed == USB_SPEED_HIGH ? 1 : 2;
+	count = snd_rawmidi_transmit(ep->ports[0].substream,
+				     ep->urb->transfer_buffer,
+				     count);
+	if (count < 1) {
+		ep->ports[0].active = 0;
+		return;
+	}
+
+	memset(ep->urb->transfer_buffer + count, 0xFD, 9 - count);
+	ep->urb->transfer_buffer_length = count;
+}
+
+static struct usb_protocol_ops snd_usbmidi_122l_ops = {
+	.input = snd_usbmidi_us122l_input,
+	.output = snd_usbmidi_us122l_output,
+};
+
 /*
  * Emagic USB MIDI protocol: raw MIDI with "F5 xx" port switching.
  */
@@ -1076,6 +1112,15 @@ void snd_usbmidi_disconnect(struct list_head* p)
 		}
 		if (ep->in)
 			usb_kill_urb(ep->in->urb);
+		/* free endpoints here; later call can result in Oops */
+		if (ep->out) {
+			snd_usbmidi_out_endpoint_delete(ep->out);
+			ep->out = NULL;
+		}
+		if (ep->in) {
+			snd_usbmidi_in_endpoint_delete(ep->in);
+			ep->in = NULL;
+		}
 	}
 	del_timer_sync(&umidi->error_timer);
 }
@@ -1714,6 +1759,9 @@ int snd_usb_create_midi_interface(struct snd_usb_audio* chip,
 			umidi->usb_protocol_ops =
 				&snd_usbmidi_maudio_broken_running_status_ops;
 		break;
+	case QUIRK_MIDI_US122L:
+		umidi->usb_protocol_ops = &snd_usbmidi_122l_ops;
+		/* fall through */
 	case QUIRK_MIDI_FIXED_ENDPOINT:
 		memcpy(&endpoints[0], quirk->data,
 		       sizeof(struct snd_usb_midi_endpoint_info));
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 89c63d073cc..a49246113e7 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -59,12 +59,13 @@ static const struct rc_config {
 	u8  offset;
 	u8  length;
 	u8  packet_length;
+	u8  min_packet_length; /* minimum accepted length of the URB result */
 	u8  mute_mixer_id;
 	u32 mute_code;
 } rc_configs[] = {
-	{ USB_ID(0x041e, 0x3000), 0, 1, 2,  18, 0x0013 }, /* Extigy       */
-	{ USB_ID(0x041e, 0x3020), 2, 1, 6,  18, 0x0013 }, /* Audigy 2 NX  */
-	{ USB_ID(0x041e, 0x3040), 2, 2, 6,  2,  0x6e91 }, /* Live! 24-bit */
+	{ USB_ID(0x041e, 0x3000), 0, 1, 2, 1,  18, 0x0013 }, /* Extigy       */
+	{ USB_ID(0x041e, 0x3020), 2, 1, 6, 6,  18, 0x0013 }, /* Audigy 2 NX  */
+	{ USB_ID(0x041e, 0x3040), 2, 2, 6, 6,  2,  0x6e91 }, /* Live! 24-bit */
 };
 
 struct usb_mixer_interface {
@@ -1388,7 +1389,8 @@ static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl
 	struct usb_mixer_elem_info *cval = kcontrol->private_data;
 	char **itemlist = (char **)kcontrol->private_value;
 
-	snd_assert(itemlist, return -EINVAL);
+	if (snd_BUG_ON(!itemlist))
+		return -EINVAL;
 	uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
 	uinfo->count = 1;
 	uinfo->value.enumerated.items = cval->max;
@@ -1781,7 +1783,7 @@ static void snd_usb_soundblaster_remote_complete(struct urb *urb)
 	const struct rc_config *rc = mixer->rc_cfg;
 	u32 code;
 
-	if (urb->status < 0 || urb->actual_length < rc->packet_length)
+	if (urb->status < 0 || urb->actual_length < rc->min_packet_length)
 		return;
 
 	code = mixer->rc_buffer[rc->offset];
@@ -2012,7 +2014,8 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry,
 	}
 }
 
-int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif)
+int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
+			 int ignore_error)
 {
 	static struct snd_device_ops dev_ops = {
 		.dev_free = snd_usb_mixer_dev_free
@@ -2027,9 +2030,7 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif)
 		return -ENOMEM;
 	mixer->chip = chip;
 	mixer->ctrlif = ctrlif;
-#ifdef IGNORE_CTL_ERROR
-	mixer->ignore_ctl_error = 1;
-#endif
+	mixer->ignore_ctl_error = ignore_error;
 	mixer->id_elems = kcalloc(256, sizeof(*mixer->id_elems), GFP_KERNEL);
 	if (!mixer->id_elems) {
 		kfree(mixer);
diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
index 9ea726c049c..69689e79bf7 100644
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -62,6 +62,13 @@
 	.idProduct = 0x3f04,
 	.bInterfaceClass = USB_CLASS_AUDIO,
 },
+{
+	/* E-Mu Tracker Pre */
+	.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
+	.idVendor = 0x041e,
+	.idProduct = 0x3f0a,
+	.bInterfaceClass = USB_CLASS_AUDIO,
+},
 
 /*
  * Logitech QuickCam: bDeviceClass is vendor-specific, so generic interface
@@ -855,15 +862,15 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		.data = (const struct snd_usb_audio_quirk[]) {
 			{
 				.ifnum = 1,
-				.type = QUIRK_AUDIO_EDIROL_UA700_UA25
+				.type = QUIRK_AUDIO_EDIROL_UAXX
 			},
 			{
 				.ifnum = 2,
-				.type = QUIRK_AUDIO_EDIROL_UA700_UA25
+				.type = QUIRK_AUDIO_EDIROL_UAXX
 			},
 			{
 				.ifnum = 3,
-				.type = QUIRK_AUDIO_EDIROL_UA700_UA25
+				.type = QUIRK_AUDIO_EDIROL_UAXX
 			},
 			{
 				.ifnum = -1
@@ -1197,15 +1204,15 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		.data = (const struct snd_usb_audio_quirk[]) {
 			{
 				.ifnum = 0,
-				.type = QUIRK_AUDIO_EDIROL_UA700_UA25
+				.type = QUIRK_AUDIO_EDIROL_UAXX
 			},
 			{
 				.ifnum = 1,
-				.type = QUIRK_AUDIO_EDIROL_UA700_UA25
+				.type = QUIRK_AUDIO_EDIROL_UAXX
 			},
 			{
 				.ifnum = 2,
-				.type = QUIRK_AUDIO_EDIROL_UA700_UA25
+				.type = QUIRK_AUDIO_EDIROL_UAXX
 			},
 			{
 				.ifnum = -1
@@ -1338,6 +1345,36 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		}
 	}
 },
+{
+	/*
+	 * This quirk is for the "Advanced Driver" mode. If off, the UA-4FX
+	 * is standard compliant, but has only 16-bit PCM and no MIDI.
+	 */
+	USB_DEVICE(0x0582, 0x00a3),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		.vendor_name = "EDIROL",
+		.product_name = "UA-4FX",
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 0,
+				.type = QUIRK_AUDIO_EDIROL_UAXX
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_AUDIO_EDIROL_UAXX
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_AUDIO_EDIROL_UAXX
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
 	/* TODO: add Edirol MD-P1 support */
 {
 	USB_DEVICE(0x582, 0x00a6),
@@ -1383,7 +1420,6 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		}
 	}
 },
-
 {
 	/* Roland SonicCell */
 	USB_DEVICE(0x0582, 0x00c2),
@@ -1415,7 +1451,35 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 		}
 	}
 },
-
+{
+	/* BOSS GT-10 */
+	USB_DEVICE(0x0582, 0x00da),
+	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
+		.ifnum = QUIRK_ANY_INTERFACE,
+		.type = QUIRK_COMPOSITE,
+		.data = (const struct snd_usb_audio_quirk[]) {
+			{
+				.ifnum = 0,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 1,
+				.type = QUIRK_AUDIO_STANDARD_INTERFACE
+			},
+			{
+				.ifnum = 2,
+				.type = QUIRK_MIDI_FIXED_ENDPOINT,
+				.data = & (const struct snd_usb_midi_endpoint_info) {
+					.out_cables = 0x0001,
+					.in_cables  = 0x0001
+				}
+			},
+			{
+				.ifnum = -1
+			}
+		}
+	}
+},
 
 /* Guillemot devices */
 {
diff --git a/sound/usb/usx2y/Makefile b/sound/usb/usx2y/Makefile
index 9ac22bce112..748933054b6 100644
--- a/sound/usb/usx2y/Makefile
+++ b/sound/usb/usx2y/Makefile
@@ -1,3 +1,5 @@
 snd-usb-usx2y-objs := usbusx2y.o usX2Yhwdep.o usx2yhwdeppcm.o
+snd-usb-us122l-objs := us122l.o
 
 obj-$(CONFIG_SND_USB_USX2Y) += snd-usb-usx2y.o
+obj-$(CONFIG_SND_USB_US122L) += snd-usb-us122l.o
diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c
new file mode 100644
index 00000000000..b441fe2cd19
--- /dev/null
+++ b/sound/usb/usx2y/us122l.c
@@ -0,0 +1,692 @@
+/*
+ * Copyright (C) 2007, 2008 Karsten Wiese <fzu@wemgehoertderstaat.de>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <sound/core.h>
+#include <sound/hwdep.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#define MODNAME "US122L"
+#include "usb_stream.c"
+#include "../usbaudio.h"
+#include "us122l.h"
+
+MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>");
+MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5");
+MODULE_LICENSE("GPL");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;	/* Index 0-max */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;	/* Id for this card */
+							/* Enable this card */
+static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS".");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS".");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");
+
+static int snd_us122l_card_used[SNDRV_CARDS];
+
+
+static int us122l_create_usbmidi(struct snd_card *card)
+{
+	static struct snd_usb_midi_endpoint_info quirk_data = {
+		.out_ep = 4,
+		.in_ep = 3,
+		.out_cables =	0x001,
+		.in_cables =	0x001
+	};
+	static struct snd_usb_audio_quirk quirk = {
+		.vendor_name =	"US122L",
+		.product_name =	NAME_ALLCAPS,
+		.ifnum = 	1,
+		.type = QUIRK_MIDI_US122L,
+		.data = &quirk_data
+	};
+	struct usb_device *dev = US122L(card)->chip.dev;
+	struct usb_interface *iface = usb_ifnum_to_if(dev, 1);
+
+	return snd_usb_create_midi_interface(&US122L(card)->chip,
+					     iface, &quirk);
+}
+
+/*
+ * Wrapper for usb_control_msg().
+ * Allocates a temp buffer to prevent dmaing from/to the stack.
+ */
+static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe,
+			  __u8 request, __u8 requesttype,
+			  __u16 value, __u16 index, void *data,
+			  __u16 size, int timeout)
+{
+	int err;
+	void *buf = NULL;
+
+	if (size > 0) {
+		buf = kmemdup(data, size, GFP_KERNEL);
+		if (!buf)
+			return -ENOMEM;
+	}
+	err = usb_control_msg(dev, pipe, request, requesttype,
+			      value, index, buf, size, timeout);
+	if (size > 0) {
+		memcpy(data, buf, size);
+		kfree(buf);
+	}
+	return err;
+}
+
+static void pt_info_set(struct usb_device *dev, u8 v)
+{
+	int ret;
+
+	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+			      'I',
+			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+			      v, 0, NULL, 0, 1000);
+	snd_printdd(KERN_DEBUG "%i\n", ret);
+}
+
+static void usb_stream_hwdep_vm_open(struct vm_area_struct *area)
+{
+	struct us122l *us122l = area->vm_private_data;
+	atomic_inc(&us122l->mmap_count);
+	snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
+}
+
+static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area,
+				     struct vm_fault *vmf)
+{
+	unsigned long offset;
+	struct page *page;
+	void *vaddr;
+	struct us122l *us122l = area->vm_private_data;
+	struct usb_stream *s;
+	int vm_f = VM_FAULT_SIGBUS;
+
+	mutex_lock(&us122l->mutex);
+	s = us122l->sk.s;
+	if (!s)
+		goto out;
+
+	offset = vmf->pgoff << PAGE_SHIFT;
+	if (offset < PAGE_ALIGN(s->read_size))
+		vaddr = (char *)s + offset;
+	else {
+		offset -= PAGE_ALIGN(s->read_size);
+		if (offset >= PAGE_ALIGN(s->write_size))
+			goto out;
+
+		vaddr = us122l->sk.write_page + offset;
+	}
+	page = virt_to_page(vaddr);
+
+	get_page(page);
+	mutex_unlock(&us122l->mutex);
+
+	vmf->page = page;
+	vm_f = 0;
+out:
+	return vm_f;
+}
+
+static void usb_stream_hwdep_vm_close(struct vm_area_struct *area)
+{
+	struct us122l *us122l = area->vm_private_data;
+	atomic_dec(&us122l->mmap_count);
+	snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
+}
+
+static struct vm_operations_struct usb_stream_hwdep_vm_ops = {
+	.open = usb_stream_hwdep_vm_open,
+	.fault = usb_stream_hwdep_vm_fault,
+	.close = usb_stream_hwdep_vm_close,
+};
+
+
+static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file)
+{
+	struct us122l	*us122l = hw->private_data;
+	struct usb_interface *iface;
+	snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
+	if (hw->used >= 2)
+		return -EBUSY;
+
+	if (!us122l->first)
+		us122l->first = file;
+	iface = usb_ifnum_to_if(us122l->chip.dev, 1);
+	usb_autopm_get_interface(iface);
+	return 0;
+}
+
+static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file)
+{
+	struct us122l	*us122l = hw->private_data;
+	struct usb_interface *iface = usb_ifnum_to_if(us122l->chip.dev, 1);
+	snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
+	usb_autopm_put_interface(iface);
+	if (us122l->first == file)
+		us122l->first = NULL;
+	mutex_lock(&us122l->mutex);
+	if (us122l->master == file)
+		us122l->master = us122l->slave;
+
+	us122l->slave = NULL;
+	mutex_unlock(&us122l->mutex);
+	return 0;
+}
+
+static int usb_stream_hwdep_mmap(struct snd_hwdep *hw,
+				 struct file *filp, struct vm_area_struct *area)
+{
+	unsigned long	size = area->vm_end - area->vm_start;
+	struct us122l	*us122l = hw->private_data;
+	unsigned long offset;
+	struct usb_stream *s;
+	int err = 0;
+	bool read;
+
+	offset = area->vm_pgoff << PAGE_SHIFT;
+	mutex_lock(&us122l->mutex);
+	s = us122l->sk.s;
+	read = offset < s->read_size;
+	if (read && area->vm_flags & VM_WRITE) {
+		err = -EPERM;
+		goto out;
+	}
+	snd_printdd(KERN_DEBUG "%lu %u\n", size,
+		    read ? s->read_size : s->write_size);
+	/* if userspace tries to mmap beyond end of our buffer, fail */
+	if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) {
+		snd_printk(KERN_WARNING "%lu > %u\n", size,
+			   read ? s->read_size : s->write_size);
+		err = -EINVAL;
+		goto out;
+	}
+
+	area->vm_ops = &usb_stream_hwdep_vm_ops;
+	area->vm_flags |= VM_RESERVED;
+	area->vm_private_data = us122l;
+	atomic_inc(&us122l->mmap_count);
+out:
+	mutex_unlock(&us122l->mutex);
+	return err;
+}
+
+static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw,
+					  struct file *file, poll_table *wait)
+{
+	struct us122l	*us122l = hw->private_data;
+	struct usb_stream *s = us122l->sk.s;
+	unsigned	*polled;
+	unsigned int	mask;
+
+	poll_wait(file, &us122l->sk.sleep, wait);
+
+	switch (s->state) {
+	case usb_stream_ready:
+		if (us122l->first == file)
+			polled = &s->periods_polled;
+		else
+			polled = &us122l->second_periods_polled;
+		if (*polled != s->periods_done) {
+			*polled = s->periods_done;
+			mask = POLLIN | POLLOUT | POLLWRNORM;
+			break;
+		}
+		/* Fall through */
+		mask = 0;
+		break;
+	default:
+		mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR;
+		break;
+	}
+	return mask;
+}
+
+static void us122l_stop(struct us122l *us122l)
+{
+	struct list_head *p;
+	list_for_each(p, &us122l->chip.midi_list)
+		snd_usbmidi_input_stop(p);
+
+	usb_stream_stop(&us122l->sk);
+	usb_stream_free(&us122l->sk);
+}
+
+static int us122l_set_sample_rate(struct usb_device *dev, int rate)
+{
+	unsigned int ep = 0x81;
+	unsigned char data[3];
+	int err;
+
+	data[0] = rate;
+	data[1] = rate >> 8;
+	data[2] = rate >> 16;
+	err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), SET_CUR,
+			     USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
+			     SAMPLING_FREQ_CONTROL << 8, ep, data, 3, 1000);
+	if (err < 0)
+		snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n",
+			   dev->devnum, rate, ep);
+	return err;
+}
+
+static bool us122l_start(struct us122l *us122l,
+			 unsigned rate, unsigned period_frames)
+{
+	struct list_head *p;
+	int err;
+	unsigned use_packsize = 0;
+	bool success = false;
+
+	if (us122l->chip.dev->speed == USB_SPEED_HIGH) {
+		/* The us-122l's descriptor defaults to iso max_packsize 78,
+		   which isn't needed for samplerates <= 48000.
+		   Lets save some memory:
+		*/
+		switch (rate) {
+		case 44100:
+			use_packsize = 36;
+			break;
+		case 48000:
+			use_packsize = 42;
+			break;
+		case 88200:
+			use_packsize = 72;
+			break;
+		}
+	}
+	if (!usb_stream_new(&us122l->sk, us122l->chip.dev, 1, 2,
+			    rate, use_packsize, period_frames, 6))
+		goto out;
+
+	err = us122l_set_sample_rate(us122l->chip.dev, rate);
+	if (err < 0) {
+		us122l_stop(us122l);
+		snd_printk(KERN_ERR "us122l_set_sample_rate error \n");
+		goto out;
+	}
+	err = usb_stream_start(&us122l->sk);
+	if (err < 0) {
+		us122l_stop(us122l);
+		snd_printk(KERN_ERR "us122l_start error %i \n", err);
+		goto out;
+	}
+	list_for_each(p, &us122l->chip.midi_list)
+		snd_usbmidi_input_start(p);
+	success = true;
+out:
+	return success;
+}
+
+static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
+				  unsigned cmd, unsigned long arg)
+{
+	struct usb_stream_config *cfg;
+	struct us122l *us122l = hw->private_data;
+	unsigned min_period_frames;
+	int err = 0;
+	bool high_speed;
+
+	if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS)
+		return -ENOTTY;
+
+	cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
+	if (!cfg)
+		return -ENOMEM;
+
+	if (copy_from_user(cfg, (void *)arg, sizeof(*cfg))) {
+		err = -EFAULT;
+		goto free;
+	}
+	if (cfg->version != USB_STREAM_INTERFACE_VERSION) {
+		err = -ENXIO;
+		goto free;
+	}
+	high_speed = us122l->chip.dev->speed == USB_SPEED_HIGH;
+	if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000  &&
+	     (!high_speed ||
+	      (cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) ||
+	    cfg->frame_size != 6 ||
+	    cfg->period_frames > 0x3000) {
+		err = -EINVAL;
+		goto free;
+	}
+	switch (cfg->sample_rate) {
+	case 44100:
+		min_period_frames = 48;
+		break;
+	case 48000:
+		min_period_frames = 52;
+		break;
+	default:
+		min_period_frames = 104;
+		break;
+	}
+	if (!high_speed)
+		min_period_frames <<= 1;
+	if (cfg->period_frames < min_period_frames) {
+		err = -EINVAL;
+		goto free;
+	}
+
+	snd_power_wait(hw->card, SNDRV_CTL_POWER_D0);
+
+	mutex_lock(&us122l->mutex);
+	if (!us122l->master)
+		us122l->master = file;
+	else if (us122l->master != file) {
+		if (memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg))) {
+			err = -EIO;
+			goto unlock;
+		}
+		us122l->slave = file;
+	}
+	if (!us122l->sk.s ||
+	    memcmp(cfg, &us122l->sk.s->cfg, sizeof(*cfg)) ||
+	    us122l->sk.s->state == usb_stream_xrun) {
+		us122l_stop(us122l);
+		if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames))
+			err = -EIO;
+		else
+			err = 1;
+	}
+unlock:
+	mutex_unlock(&us122l->mutex);
+free:
+	kfree(cfg);
+	return err;
+}
+
+#define SND_USB_STREAM_ID "USB STREAM"
+static int usb_stream_hwdep_new(struct snd_card *card)
+{
+	int err;
+	struct snd_hwdep *hw;
+	struct usb_device *dev = US122L(card)->chip.dev;
+
+	err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw);
+	if (err < 0)
+		return err;
+
+	hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM;
+	hw->private_data = US122L(card);
+	hw->ops.open = usb_stream_hwdep_open;
+	hw->ops.release = usb_stream_hwdep_release;
+	hw->ops.ioctl = usb_stream_hwdep_ioctl;
+	hw->ops.ioctl_compat = usb_stream_hwdep_ioctl;
+	hw->ops.mmap = usb_stream_hwdep_mmap;
+	hw->ops.poll = usb_stream_hwdep_poll;
+
+	sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm",
+		dev->bus->busnum, dev->devnum);
+	return 0;
+}
+
+
+static bool us122l_create_card(struct snd_card *card)
+{
+	int err;
+	struct us122l *us122l = US122L(card);
+
+	err = usb_set_interface(us122l->chip.dev, 1, 1);
+	if (err) {
+		snd_printk(KERN_ERR "usb_set_interface error \n");
+		return false;
+	}
+
+	pt_info_set(us122l->chip.dev, 0x11);
+	pt_info_set(us122l->chip.dev, 0x10);
+
+	if (!us122l_start(us122l, 44100, 256))
+		return false;
+
+	err = us122l_create_usbmidi(card);
+	if (err < 0) {
+		snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err);
+		us122l_stop(us122l);
+		return false;
+	}
+	err = usb_stream_hwdep_new(card);
+	if (err < 0) {
+/* release the midi resources */
+		struct list_head *p;
+		list_for_each(p, &us122l->chip.midi_list)
+			snd_usbmidi_disconnect(p);
+
+		us122l_stop(us122l);
+		return false;
+	}
+	return true;
+}
+
+static struct snd_card *usx2y_create_card(struct usb_device *device)
+{
+	int		dev;
+	struct snd_card *card;
+	for (dev = 0; dev < SNDRV_CARDS; ++dev)
+		if (enable[dev] && !snd_us122l_card_used[dev])
+			break;
+	if (dev >= SNDRV_CARDS)
+		return NULL;
+	card = snd_card_new(index[dev], id[dev], THIS_MODULE,
+			    sizeof(struct us122l));
+	if (!card)
+		return NULL;
+	snd_us122l_card_used[US122L(card)->chip.index = dev] = 1;
+
+	US122L(card)->chip.dev = device;
+	US122L(card)->chip.card = card;
+	mutex_init(&US122L(card)->mutex);
+	init_waitqueue_head(&US122L(card)->sk.sleep);
+	INIT_LIST_HEAD(&US122L(card)->chip.midi_list);
+	strcpy(card->driver, "USB "NAME_ALLCAPS"");
+	sprintf(card->shortname, "TASCAM "NAME_ALLCAPS"");
+	sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)",
+		card->shortname,
+		le16_to_cpu(device->descriptor.idVendor),
+		le16_to_cpu(device->descriptor.idProduct),
+		0,
+		US122L(card)->chip.dev->bus->busnum,
+		US122L(card)->chip.dev->devnum
+		);
+	snd_card_set_dev(card, &device->dev);
+	return card;
+}
+
+static void *us122l_usb_probe(struct us