[Miscellaneous Android Development] yattodettaman:
This is the modded drivers that works ;)

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#define VERSION "0.6"

static int ignore_dga;
static int ignore_csr;
static int ignore_sniffer;
static int disable_scofix;
static int force_scofix;

static int reset = 1;

static struct usb_driver btusb_driver;

#define BTUSB_IGNORE	0x01
#define BTUSB_DIGIANSWER	0x02
#define BTUSB_CSR	0x04
#define BTUSB_SNIFFER	0x08
#define BTUSB_BCM92035	0x10
#define BTUSB_BROKEN_ISOC	0x20
#define BTUSB_WRONG_SCO_MTU	0x40
#define BTUSB_ATH3012	0x80

static struct usb_device_id btusb_table[] = {
/* Generic Bluetooth USB device */
{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },

/* Apple MacBookPro 7,1 */
{ USB_DEVICE(0x05ac, 0x8213) },

/* Apple iMac11,1 */
{ USB_DEVICE(0x05ac, 0x8215) },

/* Apple MacBookPro6,2 */
{ USB_DEVICE(0x05ac, 0x8218) },

/* Apple MacBookAir3,1, MacBookAir3,2 */
{ USB_DEVICE(0x05ac, 0x821b) },

/* Apple MacBookPro8,2 */
{ USB_DEVICE(0x05ac, 0x821a) },

/* 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) },

{ }	/* 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 },

/* Atheros 3011 with sflash firmware */
{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },

/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },

/* Atheros 3012 with sflash firmware */
{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },

/* Atheros AR5BBU12 with sflash firmware */
{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },

/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },

/* Broadcom BCM2045 */
{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },

/* IBM/Lenovo ThinkPad with Broadcom chip */
{ USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },

/* HP laptop with Broadcom chip */
{ USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },

/* Dell laptop with Broadcom chip */
{ USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },

/* Dell Wireless 370 and 410 devices */
{ USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },

/* Belkin F8T012 and F8T013 devices */
{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },

/* Asus WL-BTD202 device */
{ USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },

/* Kensington Bluetooth USB adapter */
{ USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },

/* 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 },

/* 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
#define BTUSB_SUSPENDING	3
#define BTUSB_DID_ISO_RESUME	4

struct btusb_data {
struct hci_dev *hdev;
struct usb_device *udev;
struct usb_interface *intf;
struct usb_interface *isoc;

spinlock_t lock;

unsigned long flags;

struct work_struct work;
struct work_struct waker;

struct usb_anchor tx_anchor;
struct usb_anchor intr_anchor;
struct usb_anchor bulk_anchor;
struct usb_anchor isoc_anchor;
struct usb_anchor deferred;
int tx_in_flight;
spinlock_t txlock;

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;

__u8 cmdreq_type;

unsigned int sco_num;
int isoc_altsetting;
int suspend_count;
int did_iso_resume:1;
};

static int inc_tx(struct btusb_data *data)
{
unsigned long flags;
int rv;

spin_lock_irqsave(&data->txlock, flags);
rv = test_bit(BTUSB_SUSPENDING, &data->flags);
if (!rv)
data->tx_in_flight++;
spin_unlock_irqrestore(&data->txlock, flags);

return rv;
}

static void btusb_intr_complete(struct urb *urb)
{
struct hci_dev *hdev = urb->context;
struct btusb_data *data = hdev->driver_data;
int 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) {
hdev->stat.byte_rx += urb->actual_length;

if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
urb->transfer_buffer,
urb->actual_length) < 0) {
BT_ERR("%s corrupted event packet", hdev->name);
hdev->stat.err_rx++;
}
}

if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
return;

usb_mark_last_busy(data->udev);
usb_anchor_urb(urb, &data->intr_anchor);

err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
if (err != -EPERM)
BT_ERR("%s urb %p failed to resubmit (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
}

static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
{
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->intr_ep)
return -ENODEV;

urb = usb_alloc_urb(0, mem_flags);
if (!urb)
return -ENOMEM;

size = le16_to_cpu(data->intr_ep->wMaxPacketSize);

buf = kmalloc(size, mem_flags);
if (!buf) {
usb_free_urb(urb);
return -ENOMEM;
}

pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);

usb_fill_int_urb(urb, data->udev, pipe, buf, size,
btusb_intr_complete, hdev,
data->intr_ep->bInterval);

urb->transfer_flags |= URB_FREE_BUFFER;

usb_anchor_urb(urb, &data->intr_anchor);

err = usb_submit_urb(urb, mem_flags);
if (err < 0) {
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
}

usb_free_urb(urb);

return err;
}

static void btusb_bulk_complete(struct urb *urb)
{
struct hci_dev *hdev = urb->context;
struct btusb_data *data = hdev->driver_data;
int 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) {
hdev->stat.byte_rx += urb->actual_length;

if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
urb->transfer_buffer,
urb->actual_length) < 0) {
BT_ERR("%s corrupted ACL packet", hdev->name);
hdev->stat.err_rx++;
}
}

if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
return;

usb_anchor_urb(urb, &data->bulk_anchor);
usb_mark_last_busy(data->udev);

err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
if (err != -EPERM)
BT_ERR("%s urb %p failed to resubmit (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
}

static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
{
struct btusb_data *data = hdev->driver_data;
struct urb *urb;
unsigned char *buf;
unsigned int pipe;
int err, size = HCI_MAX_FRAME_SIZE;

BT_DBG("%s", hdev->name);

if (!data->bulk_rx_ep)
return -ENODEV;

urb = usb_alloc_urb(0, mem_flags);
if (!urb)
return -ENOMEM;

buf = kmalloc(size, mem_flags);
if (!buf) {
usb_free_urb(urb);
return -ENOMEM;
}

pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);

usb_fill_bulk_urb(urb, data->udev, pipe,
buf, size, btusb_bulk_complete, hdev);

urb->transfer_flags |= URB_FREE_BUFFER;

usb_mark_last_busy(data->udev);
usb_anchor_urb(urb, &data->bulk_anchor);

err = usb_submit_urb(urb, mem_flags);
if (err < 0) {
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
}

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) {
if (err != -EPERM)
BT_ERR("%s urb %p failed to resubmit (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
}
}

static inline void __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, gfp_t mem_flags)
{
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, mem_flags);
if (!urb)
return -ENOMEM;

size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
BTUSB_MAX_ISOC_FRAMES;

buf = kmalloc(size, mem_flags);
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, mem_flags);
if (err < 0) {
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
}

usb_free_urb(urb);

return err;
}

static void btusb_tx_complete(struct urb *urb)
{
struct sk_buff *skb = urb->context;
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
struct btusb_data *data = hdev->driver_data;

BT_DBG("%s urb %p status %d count %d", hdev->name,
urb, urb->status, urb->actual_length);

if (!test_bit(HCI_RUNNING, &hdev->flags))
goto done;

if (!urb->status)
hdev->stat.byte_tx += urb->transfer_buffer_length;
else
hdev->stat.err_tx++;

done:
spin_lock(&data->txlock);
data->tx_in_flight--;
spin_unlock(&data->txlock);

kfree(urb->setup_packet);

kfree_skb(skb);
}

static void btusb_isoc_tx_complete(struct urb *urb)
{
struct sk_buff *skb = urb->context;
struct hci_dev *hdev = (struct hci_dev *) skb->dev;

BT_DBG("%s urb %p status %d count %d", hdev->name,
urb, urb->status, urb->actual_length);

if (!test_bit(HCI_RUNNING, &hdev->flags))
goto done;

if (!urb->status)
hdev->stat.byte_tx += urb->transfer_buffer_length;
else
hdev->stat.err_tx++;

done:
kfree(urb->setup_packet);

kfree_skb(skb);
}

static int btusb_open(struct hci_dev *hdev)
{
struct btusb_data *data = hdev->driver_data;
int err;

BT_DBG("%s", hdev->name);

err = usb_autopm_get_interface(data->intf);
if (err < 0)
return err;

data->intf->needs_remote_wakeup = 1;

if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
goto done;

if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
goto done;

err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
if (err < 0)
goto failed;

err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
if (err < 0) {
usb_kill_anchored_urbs(&data->intr_anchor);
goto failed;
}

set_bit(BTUSB_BULK_RUNNING, &data->flags);
btusb_submit_bulk_urb(hdev, GFP_KERNEL);

done:
usb_autopm_put_interface(data->intf);
return 0;

failed:
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
clear_bit(HCI_RUNNING, &hdev->flags);
usb_autopm_put_interface(data->intf);
return err;
}

static void btusb_stop_traffic(struct btusb_data *data)
{
usb_kill_anchored_urbs(&data->intr_anchor);
usb_kill_anchored_urbs(&data->bulk_anchor);
usb_kill_anchored_urbs(&data->isoc_anchor);
}

static int btusb_close(struct hci_dev *hdev)
{
struct btusb_data *data = hdev->driver_data;
int err;

BT_DBG("%s", hdev->name);

if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
return 0;

cancel_work_sync(&data->work);
cancel_work_sync(&data->waker);

clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
clear_bit(BTUSB_INTR_RUNNING, &data->flags);

btusb_stop_traffic(data);
err = usb_autopm_get_interface(data->intf);
if (err < 0)
goto failed;

data->intf->needs_remote_wakeup = 0;
usb_autopm_put_interface(data->intf);

failed:
usb_scuttle_anchored_urbs(&data->deferred);
return 0;
}

static int btusb_flush(struct hci_dev *hdev)
{
struct btusb_data *data = hdev->driver_data;

BT_DBG("%s", hdev->name);

usb_kill_anchored_urbs(&data->tx_anchor);

return 0;
}

static int btusb_send_frame(struct sk_buff *skb)
{
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
struct btusb_data *data = hdev->driver_data;
struct usb_ctrlrequest *dr;
struct urb *urb;
unsigned int pipe;
int err;

unsigned char *buffer;

BT_DBG("%s", hdev->name);

if (!test_bit(HCI_RUNNING, &hdev->flags))
return -EBUSY;

buffer=NULL;

switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:

buffer=kmalloc(skb->len,GFP_ATOMIC);
if(buffer==NULL) return -ENOMEM;
memcpy(buffer,skb->data,skb->len);

urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;

dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
if (!dr) {
usb_free_urb(urb);
return -ENOMEM;
}

dr->bRequestType = data->cmdreq_type;
dr->bRequest = 0;
dr->wIndex = 0;
dr->wValue = 0;
dr->wLength = __cpu_to_le16(skb->len);

pipe = usb_sndctrlpipe(data->udev, 0x00);

//usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
//	skb->data, skb->len, btusb_tx_complete, skb);
usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, buffer, skb->len, btusb_tx_complete, skb);

hdev->stat.cmd_tx++;
break;

case HCI_ACLDATA_PKT:
if (!data->bulk_tx_ep || (hdev->conn_hash.acl_num < 1 &&
hdev->conn_hash.le_num < 1))
return -ENODEV;

urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb)
return -ENOMEM;

pipe = usb_sndbulkpipe(data->udev,
data->bulk_tx_ep->bEndpointAddress);

usb_fill_bulk_urb(urb, data->udev, pipe,
skb->data, skb->len, btusb_tx_complete, skb);

hdev->stat.acl_tx++;
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);

usb_fill_int_urb(urb, data->udev, pipe,
skb->data, skb->len, btusb_isoc_tx_complete,
skb, data->isoc_tx_ep->bInterval);

urb->transfer_flags = URB_ISO_ASAP;

__fill_isoc_descriptor(urb, skb->len,
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));

hdev->stat.sco_tx++;
goto skip_waking;

default:
return -EILSEQ;
}

err = inc_tx(data);
if (err) {
usb_anchor_urb(urb, &data->deferred);
schedule_work(&data->waker);
err = 0;
goto done;
}

skip_waking:
usb_anchor_urb(urb, &data->tx_anchor);

err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0) {
BT_ERR("%s urb %p submission failed", hdev->name, urb);
kfree(urb->setup_packet);
usb_unanchor_urb(urb);
} else {
usb_mark_last_busy(data->udev);
}

if(buffer!=NULL) kfree(buffer);

usb_free_urb(urb);

done:
return err;
}

static void btusb_destruct(struct hci_dev *hdev)
{
struct btusb_data *data = hdev->driver_data;

BT_DBG("%s", hdev->name);

kfree(data);
}

static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
{
struct btusb_data *data = hdev->driver_data;

BT_DBG("%s evt %d", hdev->name, evt);

if (hdev->conn_hash.sco_num != data->sco_num) {
data->sco_num = hdev->conn_hash.sco_num;
schedule_work(&data->work);
}
}

static inline int __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;
int err;

if (hdev->conn_hash.sco_num > 0) {
if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
if (err < 0) {
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->isoc_anchor);
return;
}

set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
}
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, GFP_KERNEL) < 0)
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
else
btusb_submit_isoc_urb(hdev, GFP_KERNEL);
}
} else {
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
usb_kill_anchored_urbs(&data->isoc_anchor);

__set_isoc_interface(hdev, 0);
if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
}
}

static void btusb_waker(struct work_struct *work)
{
struct btusb_data *data = container_of(work, struct btusb_data, waker);
int err;

err = usb_autopm_get_interface(data->intf);
if (err < 0)
return;

usb_autopm_put_interface(data->intf);
}

static int btusb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_endpoint_descriptor *ep_desc;
struct btusb_data *data;
struct hci_dev *hdev;
int i, err;

BT_DBG("intf %p id %p", intf, id);

/* interface numbers are hardcoded in the spec */
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
return -ENODEV;

if (!id->driver_info) {
const struct usb_device_id *match;
match = usb_match_id(intf, blacklist_table);
if (match)
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;

if (id->driver_info & BTUSB_ATH3012) {
struct usb_device *udev = interface_to_usbdev(intf);

/* Old firmware would otherwise let ath3k driver load
* patch and sysconfig files */
if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
return -ENODEV;
}

data = kzalloc(sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;

for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
ep_desc = &intf->cur_altsetting->endpoint[i].desc;

if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
data->intr_ep = ep_desc;
continue;
}

if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
data->bulk_tx_ep = ep_desc;
continue;
}

if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
data->bulk_rx_ep = ep_desc;
continue;
}
}

if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
kfree(data);
return -ENODEV;
}

data->cmdreq_type = USB_TYPE_CLASS;

data->udev = interface_to_usbdev(intf);
data->intf = intf;

spin_lock_init(&data->lock);

INIT_WORK(&data->work, btusb_work);
INIT_WORK(&data->waker, btusb_waker);
spin_lock_init(&data->txlock);

init_usb_anchor(&data->tx_anchor);
init_usb_anchor(&data->intr_anchor);
init_usb_anchor(&data->bulk_anchor);
init_usb_anchor(&data->isoc_anchor);
init_usb_anchor(&data->deferred);

hdev = hci_alloc_dev();
if (!hdev) {
kfree(data);
return -ENOMEM;
}

hdev->bus = HCI_USB;
hdev->driver_data = data;

data->hdev = hdev;

SET_HCIDEV_DEV(hdev, &intf->dev);

hdev->open = btusb_open;
hdev->close = btusb_close;
hdev->flush = btusb_flush;
hdev->send = btusb_send_frame;
hdev->destruct = btusb_destruct;
hdev->notify = btusb_notify;

hdev->owner = THIS_MODULE;

/* Interface numbers are hardcoded in the specification */
data->isoc = usb_ifnum_to_if(data->udev, 1);

if (!reset)
set_bit(HCI_QUIRK_NO_RESET, &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_DIGIANSWER) {
data->cmdreq_type = USB_TYPE_VENDOR;
set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
}

if (id->driver_info & BTUSB_CSR) {
struct usb_device *udev = data->udev;

/* Old firmware would otherwise execute USB reset */
if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
}

if (id->driver_info & BTUSB_SNIFFER) {
struct usb_device *udev = data->udev;

/* New sniffer firmware has crippled HCI interface */
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) {
hci_free_dev(hdev);
kfree(data);
return err;
}

usb_set_intfdata(intf, data);

return 0;
}

static void btusb_disconnect(struct usb_interface *intf)
{
struct btusb_data *data = usb_get_intfdata(intf);
struct hci_dev *hdev;

BT_DBG("intf %p", intf);

if (!data)
return;

hdev = data->hdev;

__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);
}

#ifdef CONFIG_PM
static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
{
struct btusb_data *data = usb_get_intfdata(intf);

BT_DBG("intf %p", intf);

if (data->suspend_count++)
return 0;

spin_lock_irq(&data->txlock);
if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) {
set_bit(BTUSB_SUSPENDING, &data->flags);
spin_unlock_irq(&data->txlock);
} else {
spin_unlock_irq(&data->txlock);
data->suspend_count--;
return -EBUSY;
}

cancel_work_sync(&data->work);

btusb_stop_traffic(data);
usb_kill_anchored_urbs(&data->tx_anchor);

return 0;
}

static void play_deferred(struct btusb_data *data)
{
struct urb *urb;
int err;

while ((urb = usb_get_from_anchor(&data->deferred))) {
err = usb_submit_urb(urb, GFP_ATOMIC);
if (err < 0)
break;

data->tx_in_flight++;
}
usb_scuttle_anchored_urbs(&data->deferred);
}

static int btusb_resume(struct usb_interface *intf)
{
struct btusb_data *data = usb_get_intfdata(intf);
struct hci_dev *hdev = data->hdev;
int err = 0;

BT_DBG("intf %p", intf);

if (--data->suspend_count)
return 0;

if (!test_bit(HCI_RUNNING, &hdev->flags))
goto done;

if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
err = btusb_submit_intr_urb(hdev, GFP_NOIO);
if (err < 0) {
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
goto failed;
}
}

if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
if (err < 0) {
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
goto failed;
}

btusb_submit_bulk_urb(hdev, GFP_NOIO);
}

if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
else
btusb_submit_isoc_urb(hdev, GFP_NOIO);
}

spin_lock_irq(&data->txlock);
play_deferred(data);
clear_bit(BTUSB_SUSPENDING, &data->flags);
spin_unlock_irq(&data->txlock);
schedule_work(&data->work);

return 0;

failed:
usb_scuttle_anchored_urbs(&data->deferred);
done:
spin_lock_irq(&data->txlock);
clear_bit(BTUSB_SUSPENDING, &data->flags);
spin_unlock_irq(&data->txlock);

return err;
}
#endif

static struct usb_driver btusb_driver = {
.name	= "btusb",
.probe	= btusb_probe,
.disconnect	= btusb_disconnect,
#ifdef CONFIG_PM
.suspend	= btusb_suspend,
.resume	= btusb_resume,
#endif
.id_table	= btusb_table,
.supports_autosuspend = 1,
};

static int __init btusb_init(void)
{
BT_INFO("Generic Bluetooth USB driver ver %s", VERSION);

return usb_register(&btusb_driver);
}

static void __exit btusb_exit(void)
{
usb_deregister(&btusb_driver);
}

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);
MODULE_LICENSE("GPL");