Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 2605 insertions, 0 deletions

diff --git a/drivers/bluetooth/btusb_common.c b/drivers/bluetooth/btusb_common.c
new file mode 100755
index 00000000..71d68684
--- /dev/null
+++ b/drivers/bluetooth/btusb_common.c
@@ -0,0 +1,2605 @@
+/*

+ *

+ *  Realtek Bluetooth USB driver

+ *

+ *  

+ *  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/kernel.h>

+#include <linux/module.h>

+#include <linux/init.h>

+#include <linux/slab.h>

+#include <linux/types.h>

+#include <linux/sched.h>

+#include <linux/errno.h>

+#include <linux/skbuff.h>

+#include <linux/usb.h>

+#include <mach/wmt_misc.h> //added by rubbitxiao

+#define PRINT_ACL_DATA 1

+#define PRINT_CMD_EVENT 1

+/*******************************/

+#include "com_btusb.h"

+

+#if 0

+#define RTKBT_DBG(fmt, arg...) printk(KERN_INFO "rtk_btusb: " fmt "\n" , ## arg)

+#else

+#define RTKBT_DBG(fmt, arg...)

+#endif

+

+#if 1

+#define RTKBT_ERR(fmt, arg...) printk(KERN_ERR "rtk_btusb: " fmt "\n" , ## arg)

+#else

+#define RTKBT_ERR(fmt, arg...)

+#endif

+

+

+#if CONFIG_BLUEDROID //for 4.2

+#define DEVICE_NAME "comm_btusb"

+static dev_t first; // Global variable for the first device number

+static struct cdev c_dev; // Global variable for the character device structure

+static struct class *cl; // Global variable for the device class

+

+/* HCI device list */

+DEFINE_RWLOCK(hci_dev_list_lock);

+struct hci_dev *Ghdev = NULL;

+

+static struct file_operations btfcd_file_ops_g =

+{

+    open    : btfcd_open,

+    release : btfcd_close,

+    read    : btfcd_read,

+    write   : btfcd_write,

+    poll    : btfcd_poll

+};

+#endif 

+/*******************************/

+

+#define VERSION "1.0.20130517"

+static struct usb_driver btusb_driver;

+static struct usb_device_id btusb_table[] = {

+	{ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO,

+//	  .idVendor = 0x0a12,

+	  .bInterfaceClass = 0xe0,

+	  .bInterfaceSubClass = 0x01,

+	  .bInterfaceProtocol = 0x01 },

+	{ .match_flags = USB_DEVICE_ID_MATCH_VENDOR,	  

+	   .idVendor = 0x0a5c,	  

+	   .idProduct = 0x21e8, },	  

+	{ }

+};

+

+MODULE_DEVICE_TABLE(usb, btusb_table);

+

+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 = GET_DRV_DATA(hdev);

+	int err;   

+//	struct usb_device    *dev ;	

+//	RTKBT_DBG("btusb_intr_complete %s urb %p status %d count %d ", hdev->name,

+//					urb, urb->status, urb->actual_length);

+//	print_event(urb);

+	

+	if (!test_bit(HCI_RUNNING, &hdev->flags))

+		return;

+	

+	/*add to avoid suspend fail at usb_kill_urb*/

+	if(test_bit(BTUSB_SUSPENDING, &data->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) {

+			RTKBT_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) {

+		/* -EPERM: urb is being killed;

+		 * -ENODEV: device got disconnected */

+		if (err != -EPERM && err != -ENODEV)

+			RTKBT_ERR("btusb_intr_complete %s urb %p failed to resubmit (%d)",

+						hdev->name, urb, -err);

+		usb_unanchor_urb(urb);

+	//	dev = urb->dev;

+	//	RTKBT_DBG("dev->state = %d ",dev->state);

+	}

+}

+

+static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)

+{

+	struct btusb_data *data = GET_DRV_DATA(hdev);

+	struct urb *urb;

+	unsigned char *buf;

+	unsigned int pipe;

+	int err, size;

+

+	//RTKBT_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) {

+		RTKBT_ERR("btusb_submit_intr_urb %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 = GET_DRV_DATA(hdev);

+	int err;

+	//struct usb_device    *dev ;

+

+	/*

+	RTKBT_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) {

+			RTKBT_ERR("%s corrupted ACL packet", hdev->name);

+			hdev->stat.err_rx++;

+		}

+	}

+

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

+		return;

+

+	/*add to avoid suspend fail at usb_kill_urb*/

+	if(test_bit(BTUSB_SUSPENDING, &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) {

+		/* -EPERM: urb is being killed;

+		 * -ENODEV: device got disconnected */

+		if (err != -EPERM && err != -ENODEV)

+			RTKBT_ERR("btusb_bulk_complete %s urb %p failed to resubmit (%d)",

+						hdev->name, urb, -err);

+		usb_unanchor_urb(urb);

+	//	dev = urb->dev;

+	//	RTKBT_DBG("dev->state = %d ",dev->state);

+	}

+}

+

+static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)

+{

+	struct btusb_data *data = GET_DRV_DATA(hdev);

+	struct urb *urb;

+	unsigned char *buf;

+	unsigned int pipe;

+	int err, size = HCI_MAX_FRAME_SIZE;

+

+	//RTKBT_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) {

+		RTKBT_ERR("btusb_submit_bulk_urb %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 = GET_DRV_DATA(hdev);

+	int i, err;

+

+	/*

+	RTKBT_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) {

+				RTKBT_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) {

+		/* -EPERM: urb is being killed;

+		 * -ENODEV: device got disconnected */

+		if (err != -EPERM && err != -ENODEV)

+			RTKBT_ERR("btusb_isoc_complete %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;

+

+	//RTKBT_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 = GET_DRV_DATA(hdev);

+	struct urb *urb;

+	unsigned char *buf;

+	unsigned int pipe;

+	int err, size;

+

+	//RTKBT_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) {

+		RTKBT_ERR("btusb_submit_isoc_urb %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 = GET_DRV_DATA(hdev);

+

+//	RTKBT_DBG("btusb_tx_complete %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;

+

+	/*

+	RTKBT_DBG("btusb_isoc_tx_complete %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 = GET_DRV_DATA(hdev);

+	int err;

+

+	err = usb_autopm_get_interface(data->intf);

+	if (err < 0)

+		return err;

+

+	data->intf->needs_remote_wakeup = 1;	

+	RTKBT_DBG("%s start pm_usage_cnt(0x%x)",__FUNCTION__,atomic_read(&(data->intf ->pm_usage_cnt)));

+

+	/*******************************/

+	if (0 == atomic_read(&hdev->promisc))

+	{

+		RTKBT_ERR("btusb_open hdev->promisc ==0");

+		err = -1;

+                //goto failed;

+	}

+#if 0	//added by rubbitxiao

+	err = download_patch(data->intf);	

+	if (err < 0) goto failed;

+#endif  

+

+	/*******************************/

+

+	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) {

+		mdelay(URB_CANCELING_DELAY_MS);      // Added by Realtek

+		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);

+	RTKBT_DBG("%s end  pm_usage_cnt(0x%x)",__FUNCTION__,atomic_read(&(data->intf ->pm_usage_cnt)));

+

+	return 0;

+

+failed:

+	clear_bit(BTUSB_INTR_RUNNING, &data->flags);

+	clear_bit(HCI_RUNNING, &hdev->flags);

+	usb_autopm_put_interface(data->intf);

+	RTKBT_ERR("%s failed  pm_usage_cnt(0x%x)",__FUNCTION__,atomic_read(&(data->intf ->pm_usage_cnt)));

+	return err;

+}

+

+static void btusb_stop_traffic(struct btusb_data *data)

+{

+	mdelay(URB_CANCELING_DELAY_MS);    // Added by Realtek

+	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 = GET_DRV_DATA(hdev);

+	int i,err;

+

+	if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))

+		return 0;

+

+	RTKBT_DBG("btusb_close");

+	/*******************************/

+	for (i = 0; i < NUM_REASSEMBLY; i++)

+	{	

+		if(hdev->reassembly[i])		

+		{

+			kfree_skb(hdev->reassembly[i]);

+			hdev->reassembly[i] = NULL;

+			RTKBT_DBG("%s free ressembly i=%d",__FUNCTION__,i);

+		}

+	}

+	/*******************************/

+	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:

+	mdelay(URB_CANCELING_DELAY_MS);     // Added by Realtek

+	usb_scuttle_anchored_urbs(&data->deferred);

+	return 0;

+}

+

+static int btusb_flush(struct hci_dev *hdev)

+{

+	struct btusb_data *data = GET_DRV_DATA(hdev);

+

+	RTKBT_DBG("%s add delay ",__FUNCTION__);	

+	mdelay(URB_CANCELING_DELAY_MS);     // Added by Realtek

+	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 = GET_DRV_DATA(hdev);

+	struct usb_ctrlrequest *dr;

+	struct urb *urb;

+	unsigned int pipe;

+	int err;

+

+//	RTKBT_DBG("%s", hdev->name);

+

+	if (!test_bit(HCI_RUNNING, &hdev->flags))

+		return -EBUSY;

+

+	switch (bt_cb(skb)->pkt_type) {

+	case HCI_COMMAND_PKT:

+		print_command(skb);

+		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);

+

+		hdev->stat.cmd_tx++;

+		break;

+

+	case HCI_ACLDATA_PKT:

+		print_acl(skb,1);

+		if (!data->bulk_tx_ep)

+			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) {

+		RTKBT_ERR("btusb_send_frame %s urb %p submission failed", hdev->name, urb);

+		kfree(urb->setup_packet);

+		usb_unanchor_urb(urb);

+	} else {

+		usb_mark_last_busy(data->udev);

+	}

+	usb_free_urb(urb);

+

+done:

+	return err;

+}

+

+

+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)

+static void btusb_destruct(struct hci_dev *hdev)

+{

+	RTKBT_DBG("btusb_destruct %s", hdev->name);

+	hci_free_dev(hdev);

+}

+#endif

+

+

+

+static void btusb_notify(struct hci_dev *hdev, unsigned int evt)

+{

+	struct btusb_data *data = GET_DRV_DATA(hdev);

+

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

+	RTKBT_DBG("btusb_notify : %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 = GET_DRV_DATA(hdev);

+	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) {

+		RTKBT_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) {

+		RTKBT_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);

+				mdelay(URB_CANCELING_DELAY_MS);    // Added by Realtek

+				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);

+			mdelay(URB_CANCELING_DELAY_MS);    // Added by Realtek

+			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);

+		mdelay(URB_CANCELING_DELAY_MS);      // Added by Realtek

+		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);

+	RTKBT_DBG("%s start  pm_usage_cnt(0x%x)",__FUNCTION__,atomic_read(&(data->intf ->pm_usage_cnt)));

+	if (err < 0)

+		return;

+

+	usb_autopm_put_interface(data->intf);

+	RTKBT_DBG("%s end  pm_usage_cnt(0x%x)",__FUNCTION__,atomic_read(&(data->intf ->pm_usage_cnt)));

+}

+

+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,flag1,flag2;

+	struct usb_device *udev;	

+	udev = interface_to_usbdev(intf);

+

+	/* interface numbers are hardcoded in the spec */

+	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)

+		return -ENODEV;

+

+	/*******************************/

+	flag1=device_can_wakeup(&udev->dev);

+	flag2=device_may_wakeup(&udev->dev);

+	RTKBT_DBG("btusb_probe 1==========can_wakeup=%x	 flag2=%x",flag1,flag2);

+	//device_wakeup_enable(&udev->dev);

+	/*device_wakeup_disable(&udev->dev);

+	flag1=device_can_wakeup(&udev->dev);

+	flag2=device_may_wakeup(&udev->dev);

+	RTKBT_DBG("btusb_probe 2==========can_wakeup=%x	 flag2=%x",flag1,flag2);

+	*/

+	//err = patch_add(intf);	

+	//if (err < 0) return -1;

+	/*******************************/

+

+	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;

+

+	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->notify   = btusb_notify;

+

+	

+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)

+	hci_set_drvdata(hdev, data);

+#else

+	hdev->driver_data = data;

+	hdev->destruct = btusb_destruct;

+	hdev->owner = THIS_MODULE;

+#endif

+

+	

+

+	/* Interface numbers are hardcoded in the specification */

+	data->isoc = usb_ifnum_to_if(data->udev, 1);

+

+	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);

+

+#if CONFIG_BLUEDROID //for 4.2

+	btfcd_init();

+#endif

+	return 0;

+}

+

+static void btusb_disconnect(struct usb_interface *intf)

+{

+	struct btusb_data *data = usb_get_intfdata(intf);

+	struct hci_dev *hdev;

+	struct usb_device *udev;

+	udev = interface_to_usbdev(intf);

+

+	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)

+		return;

+

+	if (!data)

+		return;

+	

+	RTKBT_DBG("btusb_disconnect");	

+	/*******************************/

+#if 0	

+	patch_remove(intf);

+#endif

+	/*******************************/

+

+	hdev = data->hdev;

+#if CONFIG_BLUEDROID //for 4.2

+#else //for bluez

+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)

+	__hci_dev_hold(hdev);

+#endif

+#endif

+	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);

+

+#if CONFIG_BLUEDROID //for 4.2

+#else //for bluez

+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 4, 0)

+	__hci_dev_put(hdev);

+#endif

+#endif

+

+	hci_free_dev(hdev);

+	kfree(data);

+

+#if CONFIG_BLUEDROID //for 4.2

+	btfcd_exit();

+#endif

+

+}

+

+#ifdef CONFIG_PM

+static int btusb_suspend(struct usb_interface *intf, pm_message_t message)

+{

+	struct btusb_data *data = usb_get_intfdata(intf);

+

+	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)

+		return 0;

+

+	/*******************************/

+	RTKBT_DBG("btusb_suspend message.event=0x%x,data->suspend_count=%d",message.event,data->suspend_count);

+	if (!test_bit(HCI_RUNNING, &data->hdev->flags))

+	{

+#if 0

+		RTKBT_DBG("btusb_suspend-----bt is off");	

+		set_btoff(data->intf);

+#else

+		printk("bt is off\n");

+#endif

+	}

+	/*******************************/

+	

+	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);

+	mdelay(URB_CANCELING_DELAY_MS);      // Added by Realtek

+	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))) {

+	

+	       /************************************/

+		usb_anchor_urb(urb, &data->tx_anchor);

+		err = usb_submit_urb(urb, GFP_ATOMIC);

+		if (err < 0) {

+			RTKBT_ERR("play_deferred urb %p submission failed",  urb);

+			kfree(urb->setup_packet);

+			usb_unanchor_urb(urb);

+		} else {

+			usb_mark_last_busy(data->udev);

+		}

+		usb_free_urb(urb);

+		/************************************/

+		data->tx_in_flight++;

+	}

+	mdelay(URB_CANCELING_DELAY_MS);     // Added by Realtek

+	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;

+

+	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)

+		return 0;

+

+        

+	/*******************************/

+	RTKBT_DBG("btusb_resume data->suspend_count=%d",data->suspend_count);

+

+	if (!test_bit(HCI_RUNNING, &hdev->flags))

+	{

+#if	0

+		RTKBT_DBG("btusb_resume-----bt is off,download patch");

+		download_patch(intf);                

+#else

+		printk("btusb_resume-----bt is off");

+#endif

+	}

+	else

+	        RTKBT_DBG("btusb_resume,----bt is on");                

+	/*******************************/

+	if (--data->suspend_count)

+		return 0;

+	

+	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:

+	mdelay(URB_CANCELING_DELAY_MS);      // Added by Realtek

+	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		= "comm_btusb",

+	.probe		= btusb_probe,

+	.disconnect	= btusb_disconnect,

+#ifdef CONFIG_PM

+	.suspend	= btusb_suspend,

+	.resume		= btusb_resume,

+#endif

+#if  CONFIG_RESET_RESUME

+	.reset_resume = btusb_resume,

+#endif 

+	.id_table	= btusb_table,

+	.supports_autosuspend = 1,

+};

+

+static int __init btusb_init(void)

+{

+	RTKBT_DBG("csr Bluetooth USB driver ver %s", VERSION);

+		//wifi_power_ctrl(1);//added by rubbit

+	return usb_register(&btusb_driver);

+}

+

+static void __exit btusb_exit(void)

+{

+	RTKBT_DBG(KERN_INFO "rtk_btusb: btusb_exit");

+	usb_deregister(&btusb_driver);

+		wifi_power_ctrl(0);//added by rubbit

+}

+

+module_init(btusb_init);

+module_exit(btusb_exit);

+

+MODULE_AUTHOR("");

+MODULE_DESCRIPTION("Realtek Bluetooth USB driver ver " VERSION);

+MODULE_VERSION(VERSION);

+MODULE_LICENSE("GPL");

+

+

+

+/*******************************

+**    Reasil patch code

+********************************/

+#define CMD_CMP_EVT		0x0e

+#define PKT_LEN			300

+#define MSG_TO			1000

+#define PATCH_SEG_MAX	252

+#define DATA_END		0x80

+#define DOWNLOAD_OPCODE	0xfc20

+#define BTOFF_OPCODE	0xfc28

+#define TRUE			1

+#define FALSE			0

+#define CMD_HDR_LEN		sizeof(struct hci_command_hdr)

+#define EVT_HDR_LEN		sizeof(struct hci_event_hdr)

+#define CMD_CMP_LEN		sizeof(struct hci_ev_cmd_complete)

+

+

+enum rtk_endpoit {

+	CTRL_EP = 0,

+	INTR_EP = 1,

+	BULK_EP = 2,

+	ISOC_EP = 3

+};

+

+typedef struct {

+	uint16_t	prod_id;

+	uint16_t	lmp_sub;

+	char		*patch_name;

+	char		*config_name;

+	uint8_t		*fw_cache;

+	int			fw_len;

+} patch_info;

+

+typedef struct {

+	struct list_head		list_node;

+	struct usb_interface	*intf;

+	struct usb_device		*udev;

+	struct notifier_block	pm_notifier;

+	patch_info				*patch_entry;

+} dev_data;

+

+typedef struct {

+	dev_data	*dev_entry;

+	int			pipe_in, pipe_out;

+	uint8_t		*send_pkt;

+	uint8_t		*rcv_pkt;

+	struct hci_command_hdr		*cmd_hdr;

+	struct hci_event_hdr		*evt_hdr;

+	struct hci_ev_cmd_complete	*cmd_cmp;

+	uint8_t		*req_para, *rsp_para;

+	uint8_t		*fw_data;

+	int			pkt_len, fw_len;

+} xchange_data;

+

+typedef struct {

+	uint8_t index;

+	uint8_t data[PATCH_SEG_MAX];

+} __attribute__((packed)) download_cp;

+

+typedef struct {

+	uint8_t status;

+	uint8_t index;

+} __attribute__((packed)) download_rp;

+

+

+static dev_data* dev_data_find(struct usb_interface* intf);

+static patch_info* get_patch_entry(struct usb_device* udev);

+static int rtkbt_pm_notify(struct notifier_block* notifier, ulong pm_event, void* unused);

+static int load_firmware(dev_data* dev_entry, uint8_t** buff);

+static void init_xdata(xchange_data* xdata, dev_data* dev_entry);

+static int check_fw_version(xchange_data* xdata);

+static int get_firmware(xchange_data* xdata);

+static int download_data(xchange_data* xdata);

+static int send_hci_cmd(xchange_data* xdata);

+static int rcv_hci_evt(xchange_data* xdata);

+

+

+static patch_info patch_table[] = {

+    { 1828, 0x1200, "rtk8723a", "rtk8723_bt_config", NULL, 0 },

+    { 46880, 0x8723, "rtk8723b", "rtk8723_bt_config", NULL, 0 },

+    { 0, 0x1200, "rtk8723a", "rtk8723_bt_config", NULL, 0 }

+};

+

+static LIST_HEAD(dev_data_list);

+

+

+int patch_add(struct usb_interface* intf)

+{

+	dev_data	*dev_entry;

+	struct usb_device *udev;

+

+	RTKBT_DBG("patch_add");

+	dev_entry = dev_data_find(intf);

+	if (NULL != dev_entry)

+	{

+		return -1;

+	}

+

+	udev = interface_to_usbdev(intf);

+#if BTUSB_RPM	

+	RTKBT_DBG("auto suspend is enabled");  

+	usb_enable_autosuspend(udev);	

+	pm_runtime_set_autosuspend_delay(&(udev->dev),2000);

+#endif

+

+	dev_entry = kzalloc(sizeof(dev_data), GFP_KERNEL);

+	dev_entry->intf = intf;

+	dev_entry->udev = udev;

+	dev_entry->pm_notifier.notifier_call = rtkbt_pm_notify;

+	dev_entry->patch_entry = get_patch_entry(udev);

+	list_add(&dev_entry->list_node, &dev_data_list);

+	register_pm_notifier(&dev_entry->pm_notifier);

+

+	return 0;

+}

+

+void patch_remove(struct usb_interface* intf)

+{

+	dev_data *dev_entry;

+	struct usb_device *udev;

+	return 0; //add by rubbitxiao

+

+	udev = interface_to_usbdev(intf);

+#if BTUSB_RPM

+	usb_disable_autosuspend(udev);	

+#endif

+

+	dev_entry = dev_data_find(intf);

+	if (NULL == dev_entry)

+	{

+		return;

+	}

+	

+	RTKBT_DBG("patch_remove");

+	list_del(&dev_entry->list_node);

+	unregister_pm_notifier(&dev_entry->pm_notifier);

+	kfree(dev_entry);

+}

+

+int download_patch(struct usb_interface* intf)

+{

+	dev_data		*dev_entry;

+	xchange_data	*xdata = NULL;

+	uint8_t			*fw_buf;

+	int				ret_val;

+	return 0;//added by rubbitxiao

+	RTKBT_DBG("download_patch start");

+	dev_entry = dev_data_find(intf);

+	if (NULL == dev_entry)

+	{

+		ret_val = -1;

+		RTKBT_ERR("NULL == dev_entry");

+		goto patch_end;

+	}

+	

+        xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL);

+	if(NULL == xdata)

+	{

+		ret_val = -1;

+		RTKBT_DBG("NULL == xdata");

+		goto patch_end;	

+	}

+		

+	init_xdata(xdata, dev_entry);

+	ret_val = check_fw_version(xdata);

+	if (ret_val != 0)

+	{

+		goto patch_end;

+	}

+

+	ret_val = get_firmware(xdata);

+	if (ret_val < 0)

+	{

+		RTKBT_ERR("get_firmware failed!");

+		goto patch_end;

+	}

+	fw_buf = xdata->fw_data;

+

+	ret_val = download_data(xdata);

+	if (ret_val < 0)

+	{

+		RTKBT_ERR("download_data failed!");

+		goto patch_fail;

+	}

+

+	ret_val = check_fw_version(xdata);

+	if (ret_val <= 0)

+	{

+		ret_val = -1;

+		goto patch_fail;

+	}

+

+	ret_val = 0;

+patch_fail:

+	kfree(fw_buf);

+patch_end:

+	if(xdata != NULL)

+	{

+                if(xdata->send_pkt)

+			kfree(xdata->send_pkt);

+		if(xdata->rcv_pkt)	

+			kfree(xdata->rcv_pkt);

+        	kfree(xdata);

+	}

+	RTKBT_DBG("Rtk patch end %d", ret_val);

+	return ret_val;

+}

+

+int set_btoff(struct usb_interface* intf)

+{

+	dev_data		*dev_entry;

+	xchange_data	*xdata = NULL;

+	int				ret_val;

+

+	RTKBT_DBG("set_btoff");

+	dev_entry = dev_data_find(intf);

+	if (NULL == dev_entry)

+	{

+		return -1;

+	}

+

+       xdata = kzalloc(sizeof(xchange_data), GFP_KERNEL);

+	if(NULL == xdata)

+	{

+		ret_val = -1;

+		RTKBT_DBG("NULL == xdata");

+              return ret_val;

+       }

+	

+	init_xdata(xdata, dev_entry);

+

+

+	xdata->cmd_hdr->opcode = cpu_to_le16(BTOFF_OPCODE);

+	xdata->cmd_hdr->plen = 1;

+	xdata->pkt_len = CMD_HDR_LEN + 1;

+	xdata->send_pkt[CMD_HDR_LEN] = 1;

+	

+	ret_val = send_hci_cmd(xdata);

+	if (ret_val < 0)

+	{

+		goto tagEnd;

+	}

+

+	ret_val = rcv_hci_evt(xdata);

+	if (ret_val < 0)

+	{

+		goto tagEnd;

+	}

+

+tagEnd:

+	if(xdata != NULL)

+	{

+                if(xdata->send_pkt)

+			kfree(xdata->send_pkt);

+		if(xdata->rcv_pkt)	

+			kfree(xdata->rcv_pkt);

+        	kfree(xdata);

+	}

+

+	RTKBT_DBG("set_btoff done");

+

+	return ret_val;

+}

+

+

+dev_data* dev_data_find(struct usb_interface* intf)

+{

+	dev_data *dev_entry;

+

+	list_for_each_entry(dev_entry, &dev_data_list, list_node)

+	{

+		if (dev_entry->intf == intf)

+		{

+			return dev_entry;

+		}

+	}

+

+	return NULL;

+}

+

+patch_info* get_patch_entry(struct usb_device* udev)

+{

+	patch_info	*patch_entry;

+	uint16_t	pid;

+

+	patch_entry = patch_table;

+	pid = le16_to_cpu(udev->descriptor.idProduct);

+	while (pid != patch_entry->prod_id)

+	{

+		if (0 == patch_entry->prod_id) break;

+		patch_entry++;

+	}

+

+	return patch_entry;

+}

+

+int rtkbt_pm_notify(

+	struct notifier_block* notifier,

+	ulong	pm_event,

+	void*	unused)

+{

+	dev_data	*dev_entry;

+	patch_info	*patch_entry;

+	struct usb_device *udev;

+

+	dev_entry = container_of(notifier, dev_data, pm_notifier);

+	patch_entry = dev_entry->patch_entry;

+	udev = dev_entry->udev;

+	RTKBT_DBG("rtkbt_pm_notify pm_event =%ld",pm_event);

+	switch (pm_event)

+	{

+		case PM_SUSPEND_PREPARE:

+		case PM_HIBERNATION_PREPARE:

+			patch_entry->fw_len = load_firmware(dev_entry, &patch_entry->fw_cache);

+			if (patch_entry->fw_len <= 0)

+			{

+				RTKBT_DBG("rtkbt_pm_notify return NOTIFY_BAD");

+				return NOTIFY_BAD;

+			}

+	

+			if (!device_may_wakeup(&udev->dev))

+			{

+				#ifdef CONFIG_RESET_RESUME

+					RTKBT_DBG("remote wakeup not support, reset_resume support ");

+				#else

+					dev_entry->intf->needs_binding = 1;

+					RTKBT_DBG("remote wakeup not support, set intf->needs_binding = 1");

+				#endif

+			}

+			break;

+

+		case PM_POST_SUSPEND:

+		case PM_POST_HIBERNATION:

+		case PM_POST_RESTORE:

+			if (patch_entry->fw_len > 0)

+			{

+				kfree(patch_entry->fw_cache);

+				patch_entry->fw_cache = NULL;

+				patch_entry->fw_len = 0;

+			}

+#if BTUSB_RPM

+			usb_disable_autosuspend(udev);

+			usb_enable_autosuspend(udev);

+			pm_runtime_set_autosuspend_delay(&(udev->dev),2000);

+#endif

+			break;

+

+		default:

+			break;

+	}

+

+	return NOTIFY_DONE;

+}

+

+int load_firmware(dev_data* dev_entry, uint8_t** buff)

+{

+	const struct firmware	*fw;

+	struct usb_device		*udev;

+	patch_info	*patch_entry;

+	char		*fw_name;

+	int			fw_len = 0, ret_val;

+

+	RTKBT_DBG("load_firmware");

+	udev = dev_entry->udev;

+	patch_entry = dev_entry->patch_entry;

+	fw_name = patch_entry->patch_name;

+	ret_val = request_firmware(&fw, fw_name, &udev->dev);

+	if (ret_val < 0) goto fw_fail;

+	

+	*buff = kzalloc(fw->size, GFP_KERNEL);

+	if (NULL == *buff) goto alloc_fail;

+	memcpy(*buff, fw->data, fw->size);

+	fw_len = fw->size;

+

+#if LOAD_CONFIG

+	release_firmware(fw);

+	fw_name = patch_entry->config_name;

+	ret_val = request_firmware(&fw, fw_name, &udev->dev);

+	if (ret_val < 0)

+	{

+		fw_len = 0;

+		kfree(*buff);

+		*buff = NULL;

+		goto fw_fail;

+	}

+

+	*buff = krealloc(*buff, fw_len + fw->size, GFP_KERNEL);

+	if (NULL == *buff)

+	{

+		fw_len = 0;

+		goto alloc_fail;

+	}

+	memcpy(*buff + fw_len, fw->data, fw->size);

+	fw_len += fw->size;

+#endif

+

+alloc_fail:

+	release_firmware(fw);

+fw_fail:

+	return fw_len;

+}

+

+void init_xdata(

+	xchange_data*	xdata,

+	dev_data*		dev_entry)

+{

+	memset(xdata, 0, sizeof(xchange_data));

+	xdata->dev_entry = dev_entry;

+	xdata->pipe_in = usb_rcvintpipe(dev_entry->udev, INTR_EP);

+	xdata->pipe_out = usb_sndctrlpipe(dev_entry->udev, CTRL_EP);

+        xdata->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);

+	xdata->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);	   

+	xdata->cmd_hdr = (struct hci_command_hdr*)(xdata->send_pkt);

+	xdata->evt_hdr = (struct hci_event_hdr*)(xdata->rcv_pkt);

+	xdata->cmd_cmp = (struct hci_ev_cmd_complete*)(xdata->rcv_pkt + EVT_HDR_LEN);

+	xdata->req_para = xdata->send_pkt + CMD_HDR_LEN;

+	xdata->rsp_para = xdata->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;

+}

+

+int check_fw_version(xchange_data* xdata)

+{

+	struct hci_rp_read_local_version *read_ver_rsp;

+	patch_info	*patch_entry;

+	int			ret_val;

+

+	xdata->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION);

+	xdata->cmd_hdr->plen = 0;

+	xdata->pkt_len = CMD_HDR_LEN;

+

+	ret_val = send_hci_cmd(xdata);

+	if (ret_val < 0)

+	{

+		goto version_end;

+	}

+

+	ret_val = rcv_hci_evt(xdata);

+	if (ret_val < 0)

+	{

+		goto version_end;

+	}

+

+	patch_entry = xdata->dev_entry->patch_entry;

+	read_ver_rsp = (struct hci_rp_read_local_version*)(xdata->rsp_para);

+	RTKBT_DBG("check_fw_version : read_ver_rsp->lmp_subver = 0x%x",read_ver_rsp->lmp_subver);

+	if (patch_entry->lmp_sub != read_ver_rsp->lmp_subver)

+	{

+		return 1;

+	}

+

+	ret_val = 0;

+version_end:

+	return ret_val;

+}

+

+int get_firmware(xchange_data* xdata)

+{

+	dev_data	*dev_entry;

+	patch_info	*patch_entry;

+

+	dev_entry = xdata->dev_entry;

+	patch_entry = dev_entry->patch_entry;

+	if (patch_entry->fw_len > 0)

+	{

+		xdata->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL);

+		if (NULL == xdata->fw_data) return -ENOMEM;

+		memcpy(xdata->fw_data, patch_entry->fw_cache, patch_entry->fw_len);

+		xdata->fw_len = patch_entry->fw_len;

+	}

+	else

+	{

+		xdata->fw_len = load_firmware(dev_entry, &xdata->fw_data);

+		if (xdata->fw_len <= 0) return -1;

+	}

+	

+	return 0;

+}

+

+int download_data(xchange_data* xdata)

+{

+	download_cp *cmd_para;

+	download_rp *evt_para;

+	uint8_t		*pcur;

+	int			pkt_len, frag_num, frag_len;

+	int			i, ret_val;

+

+	cmd_para = (download_cp*)xdata->req_para;

+	evt_para = (download_rp*)xdata->rsp_para;

+	pcur = xdata->fw_data;

+	pkt_len = CMD_HDR_LEN + sizeof(download_cp);

+	frag_num = xdata->fw_len / PATCH_SEG_MAX + 1;

+	frag_len = PATCH_SEG_MAX;

+	

+	for (i = 0; i < frag_num; i++)

+	{

+		cmd_para->index = i;

+		if (i == (frag_num - 1))

+		{

+			cmd_para->index |= DATA_END;

+			frag_len = xdata->fw_len % PATCH_SEG_MAX;

+			pkt_len -= (PATCH_SEG_MAX - frag_len);

+		}

+		xdata->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE);

+		xdata->cmd_hdr->plen = sizeof(uint8_t) + frag_len;

+		xdata->pkt_len = pkt_len;

+		memcpy(cmd_para->data, pcur, frag_len);

+

+		ret_val = send_hci_cmd(xdata);

+		if (ret_val < 0)

+		{

+			return ret_val;

+		}

+

+		ret_val = rcv_hci_evt(xdata);

+		if (ret_val < 0)

+		{

+			return ret_val;

+		}

+		if (0 != evt_para->status)

+		{

+			return -1;

+		}

+

+		pcur += PATCH_SEG_MAX;

+	}

+

+	return xdata->fw_len;

+}

+

+int send_hci_cmd(xchange_data* xdata)

+{

+	int ret_val;

+

+	ret_val = usb_control_msg(

+		xdata->dev_entry->udev, xdata->pipe_out,

+		0, USB_TYPE_CLASS, 0, 0,

+		(void*)(xdata->send_pkt),

+		xdata->pkt_len, MSG_TO);

+

+	return ret_val;

+}

+

+int rcv_hci_evt(xchange_data* xdata)

+{

+	int ret_len, ret_val;

+	int i;   // Added by Realtek

+

+	while (1)

+	{

+		

+		// **************************** Modifed by Realtek (begin)

+		for(i = 0; i < 5; i++)   // Try to send USB interrupt message 5 times.

+		{

+		ret_val = usb_interrupt_msg(

+			xdata->dev_entry->udev, xdata->pipe_in,

+			(void*)(xdata->rcv_pkt), PKT_LEN,

+			&ret_len, MSG_TO);

+			if(ret_val >= 0)

+				break;

+		}

+		// **************************** Modifed by Realtek (end)

+

+		if (ret_val < 0)

+		{

+			return ret_val;

+		}

+

+		

+	      if (CMD_CMP_EVT == xdata->evt_hdr->evt)

+	       {   

+	           if (xdata->cmd_hdr->opcode == xdata->cmd_cmp->opcode)

+	              return ret_len;

+	       }

+

+

+	}

+}

+

+void print_acl (struct sk_buff *skb,int dataOut)

+{

+#if PRINT_ACL_DATA

+	uint wlength = skb->len;

+	uint icount=0;	

+	u16* handle = (u16*)(skb->data);

+	u16 dataLen=*(handle+1);

+	u8* acl_data =(u8*)(skb->data);

+//if (0==dataOut)

+	printk("%d handle:%04x,len:%d,",dataOut,*handle,dataLen);

+//else

+//	printk("In handle:%04x,len:%d,",*handle,dataLen);

+/*	for(icount=4;(icount<wlength)&&(icount<32);icount++)

+		{

+			printk("%02x ",*(acl_data+icount) );

+		}

+	printk("\n");

+*/

+#endif

+}

+void print_command(struct sk_buff *skb)

+{

+

+#if 0

+	uint wlength = skb->len;

+	uint icount=0;	

+	u16* opcode = (u16*)(skb->data);	

+	u8* cmd_data =(u8*)(skb->data);

+	u8 paramLen=*(cmd_data+2);

+	

+	switch (*opcode) {

+	case HCI_OP_INQUIRY:

+		printk("HCI_OP_INQUIRY");

+		break;

+	case HCI_OP_INQUIRY_CANCEL:

+		printk("HCI_OP_INQUIRY_CANCEL");

+		break;

+	case HCI_OP_EXIT_PERIODIC_INQ:

+		printk("HCI_OP_EXIT_PERIODIC_INQ");

+		break;

+	case HCI_OP_CREATE_CONN:

+		printk("HCI_OP_CREATE_CONN");

+		break;

+	case HCI_OP_DISCONNECT:

+		printk("HCI_OP_DISCONNECT");

+		break;

+	case HCI_OP_CREATE_CONN_CANCEL:

+		printk("HCI_OP_CREATE_CONN_CANCEL");

+		break;

+	case HCI_OP_ACCEPT_CONN_REQ:

+		printk("HCI_OP_ACCEPT_CONN_REQ");

+		break;

+	case HCI_OP_REJECT_CONN_REQ:

+		printk("HCI_OP_REJECT_CONN_REQ");

+		break;

+	case HCI_OP_AUTH_REQUESTED:

+		printk("HCI_OP_AUTH_REQUESTED");

+		break;

+	case HCI_OP_SET_CONN_ENCRYPT:

+		printk("HCI_OP_SET_CONN_ENCRYPT");

+		break;

+	case HCI_OP_REMOTE_NAME_REQ:

+		printk("HCI_OP_REMOTE_NAME_REQ");

+		break;

+	case HCI_OP_READ_REMOTE_FEATURES:

+		printk("HCI_OP_READ_REMOTE_FEATURES");

+		break;

+	case HCI_OP_SNIFF_MODE:

+		printk("HCI_OP_SNIFF_MODE");

+		break;

+	case HCI_OP_EXIT_SNIFF_MODE:

+		printk("HCI_OP_EXIT_SNIFF_MODE");

+		break;

+	case HCI_OP_SWITCH_ROLE:

+		printk("HCI_OP_SWITCH_ROLE");

+		break;

+	case HCI_OP_SNIFF_SUBRATE:

+		printk("HCI_OP_SNIFF_SUBRATE");

+		break;

+	case HCI_OP_RESET:

+		printk("HCI_OP_RESET");

+		break;

+	default:

+		printk("CMD");

+		break;	

+	}

+	printk(":%04x,len:%d,",*opcode,paramLen);

+	for(icount=3;(icount<wlength)&&(icount<24);icount++)

+		{

+			printk("%02x ",*(cmd_data+icount) );

+		}

+	printk("\n");

+	

+#endif		

+}

+void print_event(struct sk_buff *skb)

+{

+	//printk("print_event\n");

+#if 0

+	uint wlength = skb->len;

+	uint icount=0;	

+	u8* opcode = (u8*)(skb->data);

+	u8 paramLen=*(opcode+1);

+

+	switch (*opcode) {

+	case HCI_EV_INQUIRY_COMPLETE:

+		printk("HCI_EV_INQUIRY_COMPLETE");

+		break;

+	case HCI_EV_INQUIRY_RESULT:	

+		printk("HCI_EV_INQUIRY_RESULT");		

+		break;

+	case HCI_EV_CONN_COMPLETE: 		

+		printk("HCI_EV_CONN_COMPLETE");

+		break;

+	case HCI_EV_CONN_REQUEST:

+		printk("HCI_EV_CONN_REQUEST");

+		break;

+	case HCI_EV_DISCONN_COMPLETE:

+		printk("HCI_EV_DISCONN_COMPLETE");

+		break;

+	case HCI_EV_AUTH_COMPLETE:

+		printk("HCI_EV_AUTH_COMPLETE");

+		break;

+	case HCI_EV_REMOTE_NAME:

+		printk("HCI_EV_REMOTE_NAME");

+		break;

+	case HCI_EV_ENCRYPT_CHANGE:

+		printk("HCI_EV_ENCRYPT_CHANGE");

+		break;

+	case HCI_EV_CHANGE_LINK_KEY_COMPLETE:

+		printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE");

+		break;

+	case HCI_EV_REMOTE_FEATURES:

+		printk("HCI_EV_REMOTE_FEATURES");

+		break;

+	case HCI_EV_REMOTE_VERSION:

+		printk("HCI_EV_REMOTE_VERSION");

+		break;

+	case HCI_EV_QOS_SETUP_COMPLETE:

+		printk("HCI_EV_QOS_SETUP_COMPLETE");

+		break;

+	case HCI_EV_CMD_COMPLETE:

+		printk("HCI_EV_CMD_COMPLETE");

+		break;

+	case HCI_EV_CMD_STATUS:

+		printk("HCI_EV_CMD_STATUS");

+		break;

+	case HCI_EV_ROLE_CHANGE:

+		printk("HCI_EV_ROLE_CHANGE");

+		break;

+	case HCI_EV_NUM_COMP_PKTS:

+		printk("HCI_EV_NUM_COMP_PKTS");

+		break;

+	case HCI_EV_MODE_CHANGE:

+		printk("HCI_EV_MODE_CHANGE");

+		break;

+	case HCI_EV_PIN_CODE_REQ:

+		printk("HCI_EV_PIN_CODE_REQ");

+		break;

+	case HCI_EV_LINK_KEY_REQ:

+		printk("HCI_EV_LINK_KEY_REQ");

+		break;

+	case HCI_EV_LINK_KEY_NOTIFY:

+		printk("HCI_EV_LINK_KEY_NOTIFY");

+		break;

+	case HCI_EV_CLOCK_OFFSET:

+		printk("HCI_EV_CLOCK_OFFSET");

+		break;

+	case HCI_EV_PKT_TYPE_CHANGE:

+		printk("HCI_EV_PKT_TYPE_CHANGE");

+		break;

+	case HCI_EV_PSCAN_REP_MODE:

+		printk("HCI_EV_PSCAN_REP_MODE");

+		break;

+	case HCI_EV_INQUIRY_RESULT_WITH_RSSI:

+		printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI");

+		break;

+	case HCI_EV_REMOTE_EXT_FEATURES:

+		printk("HCI_EV_REMOTE_EXT_FEATURES");

+		break;

+	case HCI_EV_SYNC_CONN_COMPLETE:

+		printk("HCI_EV_SYNC_CONN_COMPLETE");

+		break;

+	case HCI_EV_SYNC_CONN_CHANGED:

+		printk("HCI_EV_SYNC_CONN_CHANGED");

+		break;

+	case HCI_EV_SNIFF_SUBRATE:

+		printk("HCI_EV_SNIFF_SUBRATE");

+		break;

+	case HCI_EV_EXTENDED_INQUIRY_RESULT:

+		printk("HCI_EV_EXTENDED_INQUIRY_RESULT");

+		break;

+	case HCI_EV_IO_CAPA_REQUEST:

+		printk("HCI_EV_IO_CAPA_REQUEST");

+		break;

+	case HCI_EV_SIMPLE_PAIR_COMPLETE:

+		printk("HCI_EV_SIMPLE_PAIR_COMPLETE");

+		break;

+	case HCI_EV_REMOTE_HOST_FEATURES:

+		printk("HCI_EV_REMOTE_HOST_FEATURES");

+		break;

+	default:

+		printk("event");

+		break;

+	}

+	printk(":%02x,len:%d,",*opcode,paramLen);

+	for(icount=2;(icount<wlength)&&(icount<24);icount++)

+	{

+			printk("%02x ",*(opcode+icount) );

+	}

+	printk("\n");

+	

+#endif

+

+}

+

+#if CONFIG_BLUEDROID //for 4.2

+//=========================================

+/*

+ * Realtek - Add for Android 4.2 (fake character device)

+ */

+static int

+btfcd_open(struct inode *inode_p,

+           struct file  *file_p)

+

+{

+	struct btusb_data *data;

+	struct hci_dev *hdev;

+

+	RTKBT_DBG("btfcd open\n");

+

+	hdev = hci_dev_get(0);

+	if (!hdev)

+		return -1;

+	data = GET_DRV_DATA(hdev);

+

+	skb_queue_head_init(&data->readq);

+	init_waitqueue_head(&data->read_wait);

+

+	atomic_inc(&hdev->promisc);

+	file_p->private_data = data;

+

+	hci_dev_open(0);

+	return nonseekable_open(inode_p, file_p);

+}

+

+static int

+btfcd_close(struct inode  *inode_p,

+            struct file   *file_p)

+{

+  struct hci_dev *hdev;

+

+  RTKBT_DBG("btfcd close\n");

+

+  hdev = hci_dev_get(0);

+  atomic_dec(&hdev->promisc);

+

+  hci_dev_close(0);

+

+  file_p->private_data = NULL;

+  return SUCCESS;

+}

+

+static inline ssize_t usb_put_user(struct btusb_data *data,

+			struct sk_buff *skb, char __user *buf, int count)

+{

+	char __user *ptr = buf;

+	int len, total = 0;

+

+	len = min_t(unsigned int, skb->len, count);

+

+	if (copy_to_user(ptr, skb->data, len))

+		return -EFAULT;

+

+	total += len;

+

+	return total;

+}

+

+

+static struct sk_buff *rtk_skb_queue[QUEUE_SIZE];

+static int rtk_skb_queue_front = -1;

+static int rtk_skb_queue_rear = -1;

+

+static void enqueue(struct sk_buff *skb)

+{

+    if(rtk_skb_queue_front == (rtk_skb_queue_rear+1)%QUEUE_SIZE)

+    {

+    	RTKBT_ERR("queue is full\n");

+    }

+    else

+    {

+        if(rtk_skb_queue_front==-1)

+        	rtk_skb_queue_front=rtk_skb_queue_rear=0;

+        else

+        	rtk_skb_queue_rear=(rtk_skb_queue_rear+1)%QUEUE_SIZE;

+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)

+        rtk_skb_queue[rtk_skb_queue_rear] = __pskb_copy(skb, 1, GFP_ATOMIC);

+#else

+        rtk_skb_queue[rtk_skb_queue_rear] = pskb_copy(skb, GFP_ATOMIC);

+#endif

+

+    }

+}

+

+

+static struct sk_buff* dequeue(void)

+{

+	struct sk_buff *skb;

+    if(rtk_skb_queue_front == -1)

+    {

+    	RTKBT_ERR("queue is empty\n");

+        return NULL;

+    }

+    else

+    {

+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)

+    	skb = __pskb_copy(rtk_skb_queue[rtk_skb_queue_front], 1, GFP_ATOMIC);

+#else

+    	skb = pskb_copy(rtk_skb_queue[rtk_skb_queue_front], GFP_ATOMIC);

+#endif

+        kfree_skb(rtk_skb_queue[rtk_skb_queue_front]);

+        if(rtk_skb_queue_front==rtk_skb_queue_rear)

+        	rtk_skb_queue_front=rtk_skb_queue_rear=-1;

+        else

+        	rtk_skb_queue_front = (rtk_skb_queue_front+1)%QUEUE_SIZE;

+        return skb;

+    }

+    return NULL;

+}

+

+static int is_queue_empty(void)

+{

+	return (rtk_skb_queue_front == -1)?1:0;

+}

+

+static ssize_t

+btfcd_read(struct file  *file_p,

+           char __user  *buf_p,

+           size_t       count,

+           loff_t       *pos_p)

+{

+	struct btusb_data *data;

+	struct sk_buff *skb;

+	ssize_t ret = 0;

+

+	//RTKBT_DBG("==========btfcd_read\n");

+

+	while (count) {

+		data = GET_DRV_DATA(hci_dev_get(0));

+		if (!is_queue_empty()) {

+			skb = dequeue();

+		} else {

+			skb = NULL;

+		}

+		if (skb) {

+		    ret = usb_put_user(data, skb, buf_p, count);

+		    kfree_skb(skb);

+

+		    skb = NULL;

+		    if (ret < 0){

+		    	RTKBT_ERR("==========btfcd copy_to_user return -1 \n");

+		    }

+			break;

+		}

+

+		ret = wait_event_interruptible(data->read_wait, !is_queue_empty());

+		if (ret < 0){

+			//RTKBT_DBG("I return read %d \n", ret);

+			break;

+		}

+    }

+	return ret;

+} /* End of btfcd_read */

+

+static ssize_t

+btfcd_write(struct file  *file_p,

+            const char __user  *buf_p,

+            size_t       count,

+            loff_t       *pos_p)

+{

+	struct btusb_data *data = file_p->private_data;

+	struct sk_buff *skb;

+

+	//RTKBT_DBG("==========btfcd_write\n");

+

+	if (count > HCI_MAX_FRAME_SIZE)

+		return -EINVAL;

+

+	skb = bt_skb_alloc(count, GFP_ATOMIC);

+	if (!skb)

+		return -ENOMEM;

+

+	if (copy_from_user(skb_put(skb, count), buf_p, count)) {

+		printk("==========btfcd copy_from_user return -1 \n");

+		kfree_skb(skb);

+		return -EFAULT;

+	}

+

+        if (!data || !data->hdev) {

+                return -EFAULT;

+        }

+

+	skb->dev = (void *) data->hdev;

+	bt_cb(skb)->pkt_type = *((__u8 *) skb->data);

+	skb_pull(skb, 1);

+

+	data->hdev->send(skb);

+

+	return count;

+} /* End of btfcd_write */

+

+static unsigned int btfcd_poll(struct file *file, poll_table *wait)

+{

+	struct btusb_data *data;

+	data = GET_DRV_DATA(hci_dev_get(0));

+

+	//RTKBT_DBG("==========btfcd_poll\n");

+

+	poll_wait(file, &data->read_wait, wait);

+

+	if (!is_queue_empty())

+		return POLLIN | POLLRDNORM;

+

+	return POLLOUT | POLLWRNORM;

+} /* End of btfcd_poll */

+

+static int btfcd_init(void)

+{

+    printk("Registering file operations for btfcd driver\n");

+

+    /*

+     * Register btusb as a character device driver with linux OS and return

+     * ERROR on failure

+     */

+    if ((cl = class_create(THIS_MODULE, DEVICE_NAME)) == NULL)

+    {

+        return ERROR;

+    }

+    if (alloc_chrdev_region(&first, 0, 1, DEVICE_NAME) < 0)

+    {

+    	class_destroy(cl);

+        return ERROR;

+    }

+    if (device_create(cl, NULL, first, NULL, DEVICE_NAME) == NULL)

+    {

+    	unregister_chrdev_region(first, 1);

+    	class_destroy(cl);

+        return ERROR;

+    }

+    cdev_init(&c_dev, &btfcd_file_ops_g);

+    if (cdev_add(&c_dev, first, 1) == -1)

+    {

+    	device_destroy(cl, first);

+    	unregister_chrdev_region(first, 1);

+    	class_destroy(cl);

+        return ERROR;

+    }

+

+    printk("Class driver initialized successfully\n");

+

+    return SUCCESS;

+} /* end of btfcd_init() */

+

+static void btfcd_exit(void)

+{

+    printk("Unregister btfcd as a character device driver\n");

+

+    /*

+     * Unregister btusb as a character device driver with linux OS and on

+     * failure try again unregistring

+     */

+    device_destroy(cl, first);

+    cdev_del(&c_dev);

+    unregister_chrdev_region(first, 1);

+    class_destroy(cl);

+

+    printk("Exiting btfcd driver\n");

+

+    return ;

+} /* end of btfcd_exit() */

+

+static void hci_send_to_stack(struct hci_dev *hdev, struct sk_buff *skb)

+{

+	struct sk_buff *rtk_skb_copy = NULL;

+	struct btusb_data *data;

+

+	//RTKBT_DBG("hci_send_to_stack\n");

+

+	if (!hdev) {

+		RTKBT_ERR("Frame for unknown HCI device (hdev=NULL)");

+		return;

+	}

+

+	if (!test_bit(HCI_RUNNING, &hdev->flags)) {

+		RTKBT_ERR("HCI not running");

+		return;

+	}

+

+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)

+	rtk_skb_copy = __pskb_copy(skb, 1, GFP_ATOMIC);

+#else

+	rtk_skb_copy = pskb_copy(skb, GFP_ATOMIC);

+#endif

+	if (!rtk_skb_copy) {

+		RTKBT_ERR("copy skb error");

+		return;

+	}

+

+	memcpy(skb_push(rtk_skb_copy, 1), &bt_cb(skb)->pkt_type, 1);

+	enqueue(rtk_skb_copy);

+	kfree_skb(rtk_skb_copy);

+	data = GET_DRV_DATA(hci_dev_get(0));

+	wake_up_interruptible(&data->read_wait);

+

+    return ;

+}

+/*

+ * Realtek - Add for Android 4.2 (fake character device) end

+ */

+//=========================================

+

+//=========================================

+/*

+ * Realtek - Integrate from hci_core.c

+ */

+

+/* Get HCI device by index.

+ * Device is held on return. */

+struct hci_dev *hci_dev_get(int index)

+{

+	//RTKBT_DBG("hci_dev_get index=%d", index);

+

+	if (index !=0)

+		return NULL;

+

+	if (Ghdev==NULL)

+		RTKBT_ERR("hci_dev_get Ghdev==NULL");

+	return Ghdev;

+}

+

+/* ---- HCI ioctl helpers ---- */

+int hci_dev_open(__u16 dev)

+{

+	struct hci_dev *hdev;

+	int ret = 0;

+

+	//RTKBT_DBG("hci_dev_open dev=%d ", dev);

+	hdev = hci_dev_get(dev);

+	if (!hdev)

+		return -ENODEV;

+

+	//RTKBT_DBG("%s %p", hdev->name, hdev);

+

+	//RTKBT_DBG("hci_dev_open ------------1");

+	if (test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {

+		ret = -ENODEV;

+		goto done;

+	}

+

+

+	if (test_bit(HCI_UP, &hdev->flags)) {

+		ret = -EALREADY;

+		goto done;

+	}

+

+	//RTKBT_DBG("hci_dev_open ------------1");

+	if (hdev->open(hdev)) {

+		ret = -EIO;

+		goto done;

+	}

+

+	//RTKBT_DBG("hci_dev_open ------------2");

+	set_bit(HCI_UP, &hdev->flags);

+done:

+	return ret;

+}

+

+static int hci_dev_do_close(struct hci_dev *hdev)

+{

+	//RTKBT_DBG(" hci_dev_do_close %s %p", hdev->name, hdev);

+	if (hdev->flush)

+		hdev->flush(hdev);

+	/* After this point our queues are empty

+	 * and no tasks are scheduled. */

+	hdev->close(hdev);

+	/* Clear flags */

+	hdev->flags = 0;

+	return 0;

+}

+int hci_dev_close(__u16 dev)

+{

+	struct hci_dev *hdev;

+	int err;

+	//RTKBT_DBG(" hci_dev_close");

+	hdev = hci_dev_get(dev);

+	if (!hdev)

+		return -ENODEV;

+

+	err = hci_dev_do_close(hdev);

+

+	return err;

+}

+

+struct hci_dev *hci_alloc_dev(void)

+{

+	struct hci_dev *hdev;

+

+	hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL);

+	if (!hdev)

+		return NULL;

+

+	return hdev;

+}

+

+/* Free HCI device */

+void hci_free_dev(struct hci_dev *hdev)

+{

+    //	skb_queue_purge(&hdev->driver_init);

+    //RTKBT_DBG("hci_free_dev-----1 ");

+	/* will free via device release */

+    //	put_device(&hdev->dev);

+    kfree(hdev);

+    //RTKBT_DBG("hci_free_dev-----2 ");

+}

+

+/* Register HCI device */

+int hci_register_dev(struct hci_dev *hdev)

+{

+	int i, id;

+

+	RTKBT_DBG("hci_register_dev %p name %s bus %d", hdev, hdev->name, hdev->bus);

+	/* Do not allow HCI_AMP devices to register at index 0,

+	 * so the index can be used as the AMP controller ID.

+	 */

+	id = (hdev->dev_type == HCI_BREDR) ? 0 : 1;

+

+	RTKBT_DBG("id=%d ",id);

+

+	write_lock(&hci_dev_list_lock);

+

+	sprintf(hdev->name, "hci%d", id);

+	RTKBT_DBG("hdev->name=%s ",hdev->name);

+	hdev->id = id;

+	mutex_init(&hdev->lock);

+

+	hdev->flags = 0;

+	hdev->dev_flags = 0;

+	for (i = 0; i < NUM_REASSEMBLY; i++)

+		hdev->reassembly[i] = NULL;

+

+	memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));

+	atomic_set(&hdev->promisc, 0);

+

+	if(Ghdev)

+		RTKBT_ERR(" ====Ghdev not null !!!!");

+	Ghdev =hdev;

+	if(Ghdev)

+		RTKBT_ERR(" ===================hci_register_dev success");

+	write_unlock(&hci_dev_list_lock);

+

+	return id;

+}

+

+/* Unregister HCI device */

+void hci_unregister_dev(struct hci_dev *hdev)

+{

+	int i;

+

+	RTKBT_DBG("hci_unregister_dev hdev%p name %s bus %d", hdev, hdev->name, hdev->bus);

+	set_bit(HCI_UNREGISTER, &hdev->dev_flags);

+

+	write_lock(&hci_dev_list_lock);

+	Ghdev = NULL;

+	write_unlock(&hci_dev_list_lock);

+

+	hci_dev_do_close(hdev);

+	for (i = 0; i < NUM_REASSEMBLY; i++)

+		kfree_skb(hdev->reassembly[i]);

+}

+

+/* Receive frame from HCI drivers */

+int hci_recv_frame(struct sk_buff *skb)

+{

+	struct hci_dev *hdev = (struct hci_dev *) skb->dev;

+//	RTKBT_DBG("hci_recv_frame hdev->flags =%d",hdev->flags);

+	if (!hdev || (!test_bit(HCI_UP, &hdev->flags)

+				&& !test_bit(HCI_INIT, &hdev->flags))) {

+		kfree_skb(skb);

+		return -ENXIO;

+	}

+

+	/* Incomming skb */

+	bt_cb(skb)->incoming = 1;

+

+	/* Time stamp */

+	__net_timestamp(skb);

+

+	if (atomic_read(&hdev->promisc)) {

+			/* Send copy to the sockets */

+		        //RTKBT_DBG("send data to stack");

+			hci_send_to_stack(hdev, skb);

+	}

+	kfree_skb(skb);

+	return 0;

+}

+

+static int hci_reassembly(struct hci_dev *hdev, int type, void *data,

+						  int count, __u8 index)

+{

+	int len = 0;

+	int hlen = 0;

+	int remain = count;

+	struct sk_buff *skb;

+	struct bt_skb_cb *scb;

+

+	if ((type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) ||

+				index >= NUM_REASSEMBLY)

+		return -EILSEQ;

+

+	skb = hdev->reassembly[index];

+

+	RTKBT_DBG("hci_reassembly,skb:0x%x,type:0x%x\n",skb,type);

+	if (!skb) {

+		switch (type) {

+		case HCI_ACLDATA_PKT:

+			len = HCI_MAX_FRAME_SIZE;

+			hlen = HCI_ACL_HDR_SIZE;

+			break;

+		case HCI_EVENT_PKT:

+			len = HCI_MAX_EVENT_SIZE;

+			hlen = HCI_EVENT_HDR_SIZE;

+			break;

+		case HCI_SCODATA_PKT:

+			len = HCI_MAX_SCO_SIZE;

+			hlen = HCI_SCO_HDR_SIZE;

+			break;

+		}

+

+		skb = bt_skb_alloc(len, GFP_ATOMIC);

+		if (!skb)

+			return -ENOMEM;

+

+		scb = (void *) skb->cb;

+		scb->expect = hlen;

+		scb->pkt_type = type;

+

+		skb->dev = (void *) hdev;

+		hdev->reassembly[index] = skb;

+	}

+

+	while (count) {

+		scb = (void *) skb->cb;

+		len = min_t(uint, scb->expect, count);

+

+		memcpy(skb_put(skb, len), data, len);

+

+		count -= len;

+		data += len;

+		scb->expect -= len;

+		remain = count;

+

+		switch (type) {

+		case HCI_EVENT_PKT:

+			if (skb->len == HCI_EVENT_HDR_SIZE) {

+				struct hci_event_hdr *h = hci_event_hdr(skb);

+				scb->expect = h->plen;

+

+				if (skb_tailroom(skb) < scb->expect) {

+					kfree_skb(skb);

+					hdev->reassembly[index] = NULL;

+					return -ENOMEM;

+				}

+			}

+			break;

+

+		case HCI_ACLDATA_PKT:

+			if (skb->len  == HCI_ACL_HDR_SIZE) {

+				struct hci_acl_hdr *h = hci_acl_hdr(skb);

+				scb->expect = __le16_to_cpu(h->dlen);

+

+				if (skb_tailroom(skb) < scb->expect) {

+					kfree_skb(skb);

+					hdev->reassembly[index] = NULL;

+					return -ENOMEM;

+				}

+			}

+			break;

+

+		case HCI_SCODATA_PKT:

+			if (skb->len == HCI_SCO_HDR_SIZE) {

+				struct hci_sco_hdr *h = hci_sco_hdr(skb);

+				scb->expect = h->dlen;

+

+				if (skb_tailroom(skb) < scb->expect) {

+					kfree_skb(skb);

+					hdev->reassembly[index] = NULL;

+					return -ENOMEM;

+				}

+			}

+			break;

+		}

+

+		if (scb->expect == 0) {

+			/* Complete frame */	

+			

+			if(HCI_ACLDATA_PKT==type )			

+				print_acl(skb,0);

+			if(HCI_EVENT_PKT==type)

+				print_event(skb);

+

+			bt_cb(skb)->pkt_type = type;			

+			hci_recv_frame(skb);

+

+			hdev->reassembly[index] = NULL;

+			return remain;

+		}

+	}

+

+	return remain;

+}

+

+int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)

+{

+	int rem = 0;

+

+	if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT)

+		return -EILSEQ;

+

+	while (count) {

+		rem = hci_reassembly(hdev, type, data, count, type - 1);

+		if (rem < 0)

+			return rem;

+

+		data += (count - rem);

+		count = rem;

+	}

+

+	return rem;

+}

+/*

+ * Realtek - Integrate from hci_core.c end

+ */

+//=========================================

+#endif