X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=blobdiff_plain;f=drivers%2Fbluetooth%2Fbtusb.c;h=af472e05273296e664e8ddcb7fa443f4bc0e60e8;hp=12e108914f19a86987df470b554e0e6e65355f11;hb=1305e9e7991d6c6b6aaa6e45f3f87363e6a66604;hpb=37e58df30063e229ee5157f9d1c1fa1d749917c2

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 12e108914f19..af472e052732 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2,7 +2,7 @@
  *
  *  Generic Bluetooth USB driver
  *
- *  Copyright (C) 2005-2007  Marcel Holtmann <marcel@holtmann.org>
+ *  Copyright (C) 2005-2008  Marcel Holtmann <marcel@holtmann.org>
  *
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -41,27 +41,144 @@
 #define BT_DBG(D...)
 #endif
 
-#define VERSION "0.1"
+#define VERSION "0.3"
+
+static int ignore_dga;
+static int ignore_csr;
+static int ignore_sniffer;
+static int disable_scofix;
+static int force_scofix;
+static int reset;
+
+static struct usb_driver btusb_driver;
+
+#define BTUSB_IGNORE		0x01
+#define BTUSB_RESET		0x02
+#define BTUSB_DIGIANSWER	0x04
+#define BTUSB_CSR		0x08
+#define BTUSB_SNIFFER		0x10
+#define BTUSB_BCM92035		0x20
+#define BTUSB_BROKEN_ISOC	0x40
+#define BTUSB_WRONG_SCO_MTU	0x80
 
 static struct usb_device_id btusb_table[] = {
 	/* Generic Bluetooth USB device */
 	{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
 
+	/* AVM BlueFRITZ! USB v2.0 */
+	{ USB_DEVICE(0x057c, 0x3800) },
+
+	/* Bluetooth Ultraport Module from IBM */
+	{ USB_DEVICE(0x04bf, 0x030a) },
+
+	/* ALPS Modules with non-standard id */
+	{ USB_DEVICE(0x044e, 0x3001) },
+	{ USB_DEVICE(0x044e, 0x3002) },
+
+	/* Ericsson with non-standard id */
+	{ USB_DEVICE(0x0bdb, 0x1002) },
+
+	/* Canyon CN-BTU1 with HID interfaces */
+	{ USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_RESET },
+
 	{ }	/* Terminating entry */
 };
 
 MODULE_DEVICE_TABLE(usb, btusb_table);
 
 static struct usb_device_id blacklist_table[] = {
+	/* CSR BlueCore devices */
+	{ USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
+
+	/* Broadcom BCM2033 without firmware */
+	{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
+
+	/* Broadcom BCM2035 */
+	{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+	{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* Broadcom BCM2045 */
+	{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+	{ USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* Broadcom BCM2046 */
+	{ USB_DEVICE(0x0a5c, 0x2146), .driver_info = BTUSB_RESET },
+	{ USB_DEVICE(0x0a5c, 0x2151), .driver_info = BTUSB_RESET },
+
+	/* Apple MacBook Pro with Broadcom chip */
+	{ USB_DEVICE(0x05ac, 0x820f), .driver_info = BTUSB_RESET },
+
+	/* IBM/Lenovo ThinkPad with Broadcom chip */
+	{ USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+	{ USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* Targus ACB10US */
+	{ USB_DEVICE(0x0a5c, 0x2100), .driver_info = BTUSB_RESET },
+	{ USB_DEVICE(0x0a5c, 0x2154), .driver_info = BTUSB_RESET },
+
+	/* ANYCOM Bluetooth USB-200 and USB-250 */
+	{ USB_DEVICE(0x0a5c, 0x2111), .driver_info = BTUSB_RESET },
+
+	/* HP laptop with Broadcom chip */
+	{ USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* Dell laptop with Broadcom chip */
+	{ USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* Dell Wireless 370 */
+	{ USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* Dell Wireless 410 */
+	{ USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* Microsoft Wireless Transceiver for Bluetooth 2.0 */
+	{ USB_DEVICE(0x045e, 0x009c), .driver_info = BTUSB_RESET },
+
+	/* Kensington Bluetooth USB adapter */
+	{ USB_DEVICE(0x047d, 0x105d), .driver_info = BTUSB_RESET },
+	{ USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* ISSC Bluetooth Adapter v3.1 */
+	{ USB_DEVICE(0x1131, 0x1001), .driver_info = BTUSB_RESET },
+
+	/* RTX Telecom based adapters with buggy SCO support */
+	{ USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
+	{ USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
+
+	/* CONWISE Technology based adapters with buggy SCO support */
+	{ USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
+
+	/* Belkin F8T012 and F8T013 devices */
+	{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+	{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU },
+
+	/* Belkin F8T016 device */
+	{ USB_DEVICE(0x050d, 0x016a), .driver_info = BTUSB_RESET },
+
+	/* Digianswer devices */
+	{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
+	{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
+
+	/* CSR BlueCore Bluetooth Sniffer */
+	{ USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
+
+	/* Frontline ComProbe Bluetooth Sniffer */
+	{ USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
+
 	{ }	/* Terminating entry */
 };
 
+#define BTUSB_MAX_ISOC_FRAMES	10
+
 #define BTUSB_INTR_RUNNING	0
 #define BTUSB_BULK_RUNNING	1
+#define BTUSB_ISOC_RUNNING	2
 
 struct btusb_data {
 	struct hci_dev       *hdev;
 	struct usb_device    *udev;
+	struct usb_interface *intf;
+	struct usb_interface *isoc;
 
 	spinlock_t lock;
 
@@ -72,10 +189,15 @@ struct btusb_data {
 	struct usb_anchor tx_anchor;
 	struct usb_anchor intr_anchor;
 	struct usb_anchor bulk_anchor;
+	struct usb_anchor isoc_anchor;
 
 	struct usb_endpoint_descriptor *intr_ep;
 	struct usb_endpoint_descriptor *bulk_tx_ep;
 	struct usb_endpoint_descriptor *bulk_rx_ep;
+	struct usb_endpoint_descriptor *isoc_tx_ep;
+	struct usb_endpoint_descriptor *isoc_rx_ep;
+
+	int isoc_altsetting;
 };
 
 static void btusb_intr_complete(struct urb *urb)
@@ -91,6 +213,8 @@ static void btusb_intr_complete(struct urb *urb)
 		return;
 
 	if (urb->status == 0) {
+		hdev->stat.byte_rx += urb->actual_length;
+
 		if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
 						urb->transfer_buffer,
 						urb->actual_length) < 0) {
@@ -112,7 +236,7 @@ static void btusb_intr_complete(struct urb *urb)
 	}
 }
 
-static inline int btusb_submit_intr_urb(struct hci_dev *hdev)
+static int btusb_submit_intr_urb(struct hci_dev *hdev)
 {
 	struct btusb_data *data = hdev->driver_data;
 	struct urb *urb;
@@ -122,6 +246,9 @@ static inline int btusb_submit_intr_urb(struct hci_dev *hdev)
 
 	BT_DBG("%s", hdev->name);
 
+	if (!data->intr_ep)
+		return -ENODEV;
+
 	urb = usb_alloc_urb(0, GFP_ATOMIC);
 	if (!urb)
 		return -ENOMEM;
@@ -149,7 +276,6 @@ static inline int btusb_submit_intr_urb(struct hci_dev *hdev)
 		BT_ERR("%s urb %p submission failed (%d)",
 						hdev->name, urb, -err);
 		usb_unanchor_urb(urb);
-		kfree(buf);
 	}
 
 	usb_free_urb(urb);
@@ -170,6 +296,8 @@ static void btusb_bulk_complete(struct urb *urb)
 		return;
 
 	if (urb->status == 0) {
+		hdev->stat.byte_rx += urb->actual_length;
+
 		if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
 						urb->transfer_buffer,
 						urb->actual_length) < 0) {
@@ -191,7 +319,7 @@ static void btusb_bulk_complete(struct urb *urb)
 	}
 }
 
-static inline int btusb_submit_bulk_urb(struct hci_dev *hdev)
+static int btusb_submit_bulk_urb(struct hci_dev *hdev)
 {
 	struct btusb_data *data = hdev->driver_data;
 	struct urb *urb;
@@ -201,6 +329,9 @@ static inline int btusb_submit_bulk_urb(struct hci_dev *hdev)
 
 	BT_DBG("%s", hdev->name);
 
+	if (!data->bulk_rx_ep)
+		return -ENODEV;
+
 	urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!urb)
 		return -ENOMEM;
@@ -227,7 +358,126 @@ static inline int btusb_submit_bulk_urb(struct hci_dev *hdev)
 		BT_ERR("%s urb %p submission failed (%d)",
 						hdev->name, urb, -err);
 		usb_unanchor_urb(urb);
-		kfree(buf);
+	}
+
+	usb_free_urb(urb);
+
+	return err;
+}
+
+static void btusb_isoc_complete(struct urb *urb)
+{
+	struct hci_dev *hdev = urb->context;
+	struct btusb_data *data = hdev->driver_data;
+	int i, err;
+
+	BT_DBG("%s urb %p status %d count %d", hdev->name,
+					urb, urb->status, urb->actual_length);
+
+	if (!test_bit(HCI_RUNNING, &hdev->flags))
+		return;
+
+	if (urb->status == 0) {
+		for (i = 0; i < urb->number_of_packets; i++) {
+			unsigned int offset = urb->iso_frame_desc[i].offset;
+			unsigned int length = urb->iso_frame_desc[i].actual_length;
+
+			if (urb->iso_frame_desc[i].status)
+				continue;
+
+			hdev->stat.byte_rx += length;
+
+			if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
+						urb->transfer_buffer + offset,
+								length) < 0) {
+				BT_ERR("%s corrupted SCO packet", hdev->name);
+				hdev->stat.err_rx++;
+			}
+		}
+	}
+
+	if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
+		return;
+
+	usb_anchor_urb(urb, &data->isoc_anchor);
+
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err < 0) {
+		BT_ERR("%s urb %p failed to resubmit (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
+	}
+}
+
+static void inline __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
+{
+	int i, offset = 0;
+
+	BT_DBG("len %d mtu %d", len, mtu);
+
+	for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
+					i++, offset += mtu, len -= mtu) {
+		urb->iso_frame_desc[i].offset = offset;
+		urb->iso_frame_desc[i].length = mtu;
+	}
+
+	if (len && i < BTUSB_MAX_ISOC_FRAMES) {
+		urb->iso_frame_desc[i].offset = offset;
+		urb->iso_frame_desc[i].length = len;
+		i++;
+	}
+
+	urb->number_of_packets = i;
+}
+
+static int btusb_submit_isoc_urb(struct hci_dev *hdev)
+{
+	struct btusb_data *data = hdev->driver_data;
+	struct urb *urb;
+	unsigned char *buf;
+	unsigned int pipe;
+	int err, size;
+
+	BT_DBG("%s", hdev->name);
+
+	if (!data->isoc_rx_ep)
+		return -ENODEV;
+
+	urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
+	if (!urb)
+		return -ENOMEM;
+
+	size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
+						BTUSB_MAX_ISOC_FRAMES;
+
+	buf = kmalloc(size, GFP_KERNEL);
+	if (!buf) {
+		usb_free_urb(urb);
+		return -ENOMEM;
+	}
+
+	pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
+
+	urb->dev      = data->udev;
+	urb->pipe     = pipe;
+	urb->context  = hdev;
+	urb->complete = btusb_isoc_complete;
+	urb->interval = data->isoc_rx_ep->bInterval;
+
+	urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
+	urb->transfer_buffer = buf;
+	urb->transfer_buffer_length = size;
+
+	__fill_isoc_descriptor(urb, size,
+			le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
+
+	usb_anchor_urb(urb, &data->isoc_anchor);
+
+	err = usb_submit_urb(urb, GFP_KERNEL);
+	if (err < 0) {
+		BT_ERR("%s urb %p submission failed (%d)",
+						hdev->name, urb, -err);
+		usb_unanchor_urb(urb);
 	}
 
 	usb_free_urb(urb);
@@ -272,7 +522,7 @@ static int btusb_open(struct hci_dev *hdev)
 
 	err = btusb_submit_intr_urb(hdev);
 	if (err < 0) {
-		clear_bit(BTUSB_INTR_RUNNING, &hdev->flags);
+		clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 		clear_bit(HCI_RUNNING, &hdev->flags);
 	}
 
@@ -288,6 +538,11 @@ static int btusb_close(struct hci_dev *hdev)
 	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
 		return 0;
 
+	cancel_work_sync(&data->work);
+
+	clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+	usb_kill_anchored_urbs(&data->isoc_anchor);
+
 	clear_bit(BTUSB_BULK_RUNNING, &data->flags);
 	usb_kill_anchored_urbs(&data->bulk_anchor);
 
@@ -349,6 +604,9 @@ static int btusb_send_frame(struct sk_buff *skb)
 		break;
 
 	case HCI_ACLDATA_PKT:
+		if (!data->bulk_tx_ep || hdev->conn_hash.acl_num < 1)
+			return -ENODEV;
+
 		urb = usb_alloc_urb(0, GFP_ATOMIC);
 		if (!urb)
 			return -ENOMEM;
@@ -363,9 +621,31 @@ static int btusb_send_frame(struct sk_buff *skb)
 		break;
 
 	case HCI_SCODATA_PKT:
+		if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
+			return -ENODEV;
+
+		urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
+		if (!urb)
+			return -ENOMEM;
+
+		pipe = usb_sndisocpipe(data->udev,
+					data->isoc_tx_ep->bEndpointAddress);
+
+		urb->dev      = data->udev;
+		urb->pipe     = pipe;
+		urb->context  = skb;
+		urb->complete = btusb_tx_complete;
+		urb->interval = data->isoc_tx_ep->bInterval;
+
+		urb->transfer_flags  = URB_ISO_ASAP;
+		urb->transfer_buffer = skb->data;
+		urb->transfer_buffer_length = skb->len;
+
+		__fill_isoc_descriptor(urb, skb->len,
+				le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
+
 		hdev->stat.sco_tx++;
-		kfree_skb(skb);
-		return 0;
+		break;
 
 	default:
 		return -EILSEQ;
@@ -404,22 +684,86 @@ static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
 		schedule_work(&data->work);
 }
 
+static int inline __set_isoc_interface(struct hci_dev *hdev, int altsetting)
+{
+	struct btusb_data *data = hdev->driver_data;
+	struct usb_interface *intf = data->isoc;
+	struct usb_endpoint_descriptor *ep_desc;
+	int i, err;
+
+	if (!data->isoc)
+		return -ENODEV;
+
+	err = usb_set_interface(data->udev, 1, altsetting);
+	if (err < 0) {
+		BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
+		return err;
+	}
+
+	data->isoc_altsetting = altsetting;
+
+	data->isoc_tx_ep = NULL;
+	data->isoc_rx_ep = NULL;
+
+	for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+		ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+		if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
+			data->isoc_tx_ep = ep_desc;
+			continue;
+		}
+
+		if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
+			data->isoc_rx_ep = ep_desc;
+			continue;
+		}
+	}
+
+	if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
+		BT_ERR("%s invalid SCO descriptors", hdev->name);
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
 static void btusb_work(struct work_struct *work)
 {
 	struct btusb_data *data = container_of(work, struct btusb_data, work);
 	struct hci_dev *hdev = data->hdev;
 
-	if (hdev->conn_hash.acl_num == 0) {
+	if (hdev->conn_hash.acl_num > 0) {
+		if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+			if (btusb_submit_bulk_urb(hdev) < 0)
+				clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+			else
+				btusb_submit_bulk_urb(hdev);
+		}
+	} else {
 		clear_bit(BTUSB_BULK_RUNNING, &data->flags);
 		usb_kill_anchored_urbs(&data->bulk_anchor);
-		return;
 	}
 
-	if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
-		if (btusb_submit_bulk_urb(hdev) < 0)
-			clear_bit(BTUSB_BULK_RUNNING, &data->flags);
-		else
-			btusb_submit_bulk_urb(hdev);
+	if (hdev->conn_hash.sco_num > 0) {
+		if (data->isoc_altsetting != 2) {
+			clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+			usb_kill_anchored_urbs(&data->isoc_anchor);
+
+			if (__set_isoc_interface(hdev, 2) < 0)
+				return;
+		}
+
+		if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+			if (btusb_submit_isoc_urb(hdev) < 0)
+				clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+			else
+				btusb_submit_isoc_urb(hdev);
+		}
+	} else {
+		clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+		usb_kill_anchored_urbs(&data->isoc_anchor);
+
+		__set_isoc_interface(hdev, 0);
 	}
 }
 
@@ -433,6 +777,7 @@ static int btusb_probe(struct usb_interface *intf,
 
 	BT_DBG("intf %p id %p", intf, id);
 
+	/* interface numbers are hardcoded in the spec */
 	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 		return -ENODEV;
 
@@ -443,6 +788,18 @@ static int btusb_probe(struct usb_interface *intf,
 			id = match;
 	}
 
+	if (id->driver_info == BTUSB_IGNORE)
+		return -ENODEV;
+
+	if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
+		return -ENODEV;
+
+	if (ignore_csr && id->driver_info & BTUSB_CSR)
+		return -ENODEV;
+
+	if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
+		return -ENODEV;
+
 	data = kzalloc(sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
@@ -472,6 +829,7 @@ static int btusb_probe(struct usb_interface *intf,
 	}
 
 	data->udev = interface_to_usbdev(intf);
+	data->intf = intf;
 
 	spin_lock_init(&data->lock);
 
@@ -480,6 +838,7 @@ static int btusb_probe(struct usb_interface *intf,
 	init_usb_anchor(&data->tx_anchor);
 	init_usb_anchor(&data->intr_anchor);
 	init_usb_anchor(&data->bulk_anchor);
+	init_usb_anchor(&data->isoc_anchor);
 
 	hdev = hci_alloc_dev();
 	if (!hdev) {
@@ -503,7 +862,49 @@ static int btusb_probe(struct usb_interface *intf,
 
 	hdev->owner = THIS_MODULE;
 
-	set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks);
+	/* interface numbers are hardcoded in the spec */
+	data->isoc = usb_ifnum_to_if(data->udev, 1);
+
+	if (reset || id->driver_info & BTUSB_RESET)
+		set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks);
+
+	if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
+		if (!disable_scofix)
+			set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
+	}
+
+	if (id->driver_info & BTUSB_BROKEN_ISOC)
+		data->isoc = NULL;
+
+	if (id->driver_info & BTUSB_SNIFFER) {
+		struct usb_device *udev = data->udev;
+
+		if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
+			set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
+
+		data->isoc = NULL;
+	}
+
+	if (id->driver_info & BTUSB_BCM92035) {
+		unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 };
+		struct sk_buff *skb;
+
+		skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
+		if (skb) {
+			memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
+			skb_queue_tail(&hdev->driver_init, skb);
+		}
+	}
+
+	if (data->isoc) {
+		err = usb_driver_claim_interface(&btusb_driver,
+							data->isoc, data);
+		if (err < 0) {
+			hci_free_dev(hdev);
+			kfree(data);
+			return err;
+		}
+	}
 
 	err = hci_register_dev(hdev);
 	if (err < 0) {
@@ -529,10 +930,22 @@ static void btusb_disconnect(struct usb_interface *intf)
 
 	hdev = data->hdev;
 
-	usb_set_intfdata(intf, NULL);
+	__hci_dev_hold(hdev);
+
+	usb_set_intfdata(data->intf, NULL);
+
+	if (data->isoc)
+		usb_set_intfdata(data->isoc, NULL);
 
 	hci_unregister_dev(hdev);
 
+	if (intf == data->isoc)
+		usb_driver_release_interface(&btusb_driver, data->intf);
+	else if (data->isoc)
+		usb_driver_release_interface(&btusb_driver, data->isoc);
+
+	__hci_dev_put(hdev);
+
 	hci_free_dev(hdev);
 }
 
@@ -558,6 +971,24 @@ static void __exit btusb_exit(void)
 module_init(btusb_init);
 module_exit(btusb_exit);
 
+module_param(ignore_dga, bool, 0644);
+MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
+
+module_param(ignore_csr, bool, 0644);
+MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
+
+module_param(ignore_sniffer, bool, 0644);
+MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
+
+module_param(disable_scofix, bool, 0644);
+MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
+
+module_param(force_scofix, bool, 0644);
+MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
+
+module_param(reset, bool, 0644);
+MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
+
 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
 MODULE_VERSION(VERSION);