blob: d894340a7601ee789eff108b1dddd29e173b157f [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 *
3 * Digianswer Bluetooth USB driver
4 *
Marcel Holtmanne24b21e2007-10-20 13:41:33 +02005 * Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
Linus Torvalds1da177e2005-04-16 15:20:36 -070024#include <linux/kernel.h>
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020025#include <linux/module.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <linux/init.h>
27#include <linux/slab.h>
28#include <linux/types.h>
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020029#include <linux/sched.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070030#include <linux/errno.h>
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020031#include <linux/skbuff.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
33#include <linux/usb.h>
34
35#include <net/bluetooth/bluetooth.h>
36#include <net/bluetooth/hci_core.h>
37
Marcel Holtmann943d56b2008-08-07 22:26:55 +020038#define VERSION "0.10"
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
40static struct usb_device_id bpa10x_table[] = {
41 /* Tektronix BPA 100/105 (Digianswer) */
42 { USB_DEVICE(0x08fd, 0x0002) },
43
44 { } /* Terminating entry */
45};
46
47MODULE_DEVICE_TABLE(usb, bpa10x_table);
48
Linus Torvalds1da177e2005-04-16 15:20:36 -070049struct bpa10x_data {
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020050 struct hci_dev *hdev;
51 struct usb_device *udev;
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020053 struct usb_anchor tx_anchor;
54 struct usb_anchor rx_anchor;
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020056 struct sk_buff *rx_skb[2];
Linus Torvalds1da177e2005-04-16 15:20:36 -070057};
58
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020059#define HCI_VENDOR_HDR_SIZE 5
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
61struct hci_vendor_hdr {
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020062 __u8 type;
63 __le16 snum;
64 __le16 dlen;
Gustavo F. Padovan81ca4052010-07-19 13:54:05 -030065} __packed;
Linus Torvalds1da177e2005-04-16 15:20:36 -070066
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020067static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count)
Linus Torvalds1da177e2005-04-16 15:20:36 -070068{
David Herrmann155961e2012-02-09 21:58:32 +010069 struct bpa10x_data *data = hci_get_drvdata(hdev);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020070
71 BT_DBG("%s queue %d buffer %p count %d", hdev->name,
72 queue, buf, count);
73
74 if (queue < 0 || queue > 1)
75 return -EILSEQ;
76
77 hdev->stat.byte_rx += count;
Linus Torvalds1da177e2005-04-16 15:20:36 -070078
79 while (count) {
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020080 struct sk_buff *skb = data->rx_skb[queue];
81 struct { __u8 type; int expect; } *scb;
82 int type, len = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
Linus Torvalds1da177e2005-04-16 15:20:36 -070084 if (!skb) {
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020085 /* Start of the frame */
Linus Torvalds1da177e2005-04-16 15:20:36 -070086
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020087 type = *((__u8 *) buf);
88 count--; buf++;
Linus Torvalds1da177e2005-04-16 15:20:36 -070089
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020090 switch (type) {
91 case HCI_EVENT_PKT:
92 if (count >= HCI_EVENT_HDR_SIZE) {
93 struct hci_event_hdr *h = buf;
94 len = HCI_EVENT_HDR_SIZE + h->plen;
95 } else
96 return -EILSEQ;
97 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -070098
Marcel Holtmanne24b21e2007-10-20 13:41:33 +020099 case HCI_ACLDATA_PKT:
100 if (count >= HCI_ACL_HDR_SIZE) {
101 struct hci_acl_hdr *h = buf;
102 len = HCI_ACL_HDR_SIZE +
103 __le16_to_cpu(h->dlen);
104 } else
105 return -EILSEQ;
106 break;
107
108 case HCI_SCODATA_PKT:
109 if (count >= HCI_SCO_HDR_SIZE) {
110 struct hci_sco_hdr *h = buf;
111 len = HCI_SCO_HDR_SIZE + h->dlen;
112 } else
113 return -EILSEQ;
114 break;
115
116 case HCI_VENDOR_PKT:
117 if (count >= HCI_VENDOR_HDR_SIZE) {
118 struct hci_vendor_hdr *h = buf;
119 len = HCI_VENDOR_HDR_SIZE +
120 __le16_to_cpu(h->dlen);
121 } else
122 return -EILSEQ;
123 break;
124 }
125
126 skb = bt_skb_alloc(len, GFP_ATOMIC);
127 if (!skb) {
128 BT_ERR("%s no memory for packet", hdev->name);
129 return -ENOMEM;
130 }
131
132 skb->dev = (void *) hdev;
133
134 data->rx_skb[queue] = skb;
135
136 scb = (void *) skb->cb;
137 scb->type = type;
138 scb->expect = len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139 } else {
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200140 /* Continuation */
141
142 scb = (void *) skb->cb;
143 len = scb->expect;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 }
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200145
146 len = min(len, count);
147
148 memcpy(skb_put(skb, len), buf, len);
149
150 scb->expect -= len;
151
152 if (scb->expect == 0) {
153 /* Complete frame */
154
155 data->rx_skb[queue] = NULL;
156
157 bt_cb(skb)->pkt_type = scb->type;
158 hci_recv_frame(skb);
159 }
160
161 count -= len; buf += len;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 }
163
164 return 0;
165}
166
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200167static void bpa10x_tx_complete(struct urb *urb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700168{
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200169 struct sk_buff *skb = urb->context;
170 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
171
172 BT_DBG("%s urb %p status %d count %d", hdev->name,
173 urb, urb->status, urb->actual_length);
174
175 if (!test_bit(HCI_RUNNING, &hdev->flags))
176 goto done;
177
178 if (!urb->status)
179 hdev->stat.byte_tx += urb->transfer_buffer_length;
180 else
181 hdev->stat.err_tx++;
182
183done:
184 kfree(urb->setup_packet);
185
186 kfree_skb(skb);
187}
188
189static void bpa10x_rx_complete(struct urb *urb)
190{
191 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100192 struct bpa10x_data *data = hci_get_drvdata(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193 int err;
194
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200195 BT_DBG("%s urb %p status %d count %d", hdev->name,
196 urb, urb->status, urb->actual_length);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200198 if (!test_bit(HCI_RUNNING, &hdev->flags))
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 return;
200
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200201 if (urb->status == 0) {
202 if (bpa10x_recv(hdev, usb_pipebulk(urb->pipe),
203 urb->transfer_buffer,
204 urb->actual_length) < 0) {
205 BT_ERR("%s corrupted event packet", hdev->name);
206 hdev->stat.err_rx++;
207 }
208 }
209
210 usb_anchor_urb(urb, &data->rx_anchor);
211
212 err = usb_submit_urb(urb, GFP_ATOMIC);
213 if (err < 0) {
214 BT_ERR("%s urb %p failed to resubmit (%d)",
215 hdev->name, urb, -err);
216 usb_unanchor_urb(urb);
217 }
218}
219
220static inline int bpa10x_submit_intr_urb(struct hci_dev *hdev)
221{
David Herrmann155961e2012-02-09 21:58:32 +0100222 struct bpa10x_data *data = hci_get_drvdata(hdev);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200223 struct urb *urb;
224 unsigned char *buf;
225 unsigned int pipe;
226 int err, size = 16;
227
228 BT_DBG("%s", hdev->name);
229
230 urb = usb_alloc_urb(0, GFP_KERNEL);
231 if (!urb)
232 return -ENOMEM;
233
234 buf = kmalloc(size, GFP_KERNEL);
235 if (!buf) {
236 usb_free_urb(urb);
237 return -ENOMEM;
238 }
239
240 pipe = usb_rcvintpipe(data->udev, 0x81);
241
242 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
243 bpa10x_rx_complete, hdev, 1);
244
245 urb->transfer_flags |= URB_FREE_BUFFER;
246
247 usb_anchor_urb(urb, &data->rx_anchor);
248
249 err = usb_submit_urb(urb, GFP_KERNEL);
250 if (err < 0) {
251 BT_ERR("%s urb %p submission failed (%d)",
252 hdev->name, urb, -err);
253 usb_unanchor_urb(urb);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200254 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255
256 usb_free_urb(urb);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200257
258 return err;
259}
260
261static inline int bpa10x_submit_bulk_urb(struct hci_dev *hdev)
262{
David Herrmann155961e2012-02-09 21:58:32 +0100263 struct bpa10x_data *data = hci_get_drvdata(hdev);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200264 struct urb *urb;
265 unsigned char *buf;
266 unsigned int pipe;
267 int err, size = 64;
268
269 BT_DBG("%s", hdev->name);
270
271 urb = usb_alloc_urb(0, GFP_KERNEL);
272 if (!urb)
273 return -ENOMEM;
274
275 buf = kmalloc(size, GFP_KERNEL);
276 if (!buf) {
277 usb_free_urb(urb);
278 return -ENOMEM;
279 }
280
281 pipe = usb_rcvbulkpipe(data->udev, 0x82);
282
283 usb_fill_bulk_urb(urb, data->udev, pipe,
284 buf, size, bpa10x_rx_complete, hdev);
285
286 urb->transfer_flags |= URB_FREE_BUFFER;
287
288 usb_anchor_urb(urb, &data->rx_anchor);
289
290 err = usb_submit_urb(urb, GFP_KERNEL);
291 if (err < 0) {
292 BT_ERR("%s urb %p submission failed (%d)",
293 hdev->name, urb, -err);
294 usb_unanchor_urb(urb);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200295 }
296
297 usb_free_urb(urb);
298
299 return err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300}
301
302static int bpa10x_open(struct hci_dev *hdev)
303{
David Herrmann155961e2012-02-09 21:58:32 +0100304 struct bpa10x_data *data = hci_get_drvdata(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305 int err;
306
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200307 BT_DBG("%s", hdev->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308
309 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
310 return 0;
311
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200312 err = bpa10x_submit_intr_urb(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313 if (err < 0)
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200314 goto error;
315
316 err = bpa10x_submit_bulk_urb(hdev);
317 if (err < 0)
318 goto error;
319
320 return 0;
321
322error:
323 usb_kill_anchored_urbs(&data->rx_anchor);
324
325 clear_bit(HCI_RUNNING, &hdev->flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700326
327 return err;
328}
329
330static int bpa10x_close(struct hci_dev *hdev)
331{
David Herrmann155961e2012-02-09 21:58:32 +0100332 struct bpa10x_data *data = hci_get_drvdata(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700333
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200334 BT_DBG("%s", hdev->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335
336 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
337 return 0;
338
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200339 usb_kill_anchored_urbs(&data->rx_anchor);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340
341 return 0;
342}
343
344static int bpa10x_flush(struct hci_dev *hdev)
345{
David Herrmann155961e2012-02-09 21:58:32 +0100346 struct bpa10x_data *data = hci_get_drvdata(hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700347
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200348 BT_DBG("%s", hdev->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200350 usb_kill_anchored_urbs(&data->tx_anchor);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700351
352 return 0;
353}
354
355static int bpa10x_send_frame(struct sk_buff *skb)
356{
357 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
David Herrmann155961e2012-02-09 21:58:32 +0100358 struct bpa10x_data *data = hci_get_drvdata(hdev);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200359 struct usb_ctrlrequest *dr;
360 struct urb *urb;
361 unsigned int pipe;
362 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700363
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200364 BT_DBG("%s", hdev->name);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365
366 if (!test_bit(HCI_RUNNING, &hdev->flags))
367 return -EBUSY;
368
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200369 urb = usb_alloc_urb(0, GFP_ATOMIC);
370 if (!urb)
371 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700372
373 /* Prepend skb with frame type */
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200374 *skb_push(skb, 1) = bt_cb(skb)->pkt_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700375
Marcel Holtmann0d48d932005-08-09 20:30:28 -0700376 switch (bt_cb(skb)->pkt_type) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 case HCI_COMMAND_PKT:
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200378 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
379 if (!dr) {
380 usb_free_urb(urb);
381 return -ENOMEM;
382 }
383
384 dr->bRequestType = USB_TYPE_VENDOR;
385 dr->bRequest = 0;
386 dr->wIndex = 0;
387 dr->wValue = 0;
388 dr->wLength = __cpu_to_le16(skb->len);
389
390 pipe = usb_sndctrlpipe(data->udev, 0x00);
391
392 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
393 skb->data, skb->len, bpa10x_tx_complete, skb);
394
Linus Torvalds1da177e2005-04-16 15:20:36 -0700395 hdev->stat.cmd_tx++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700396 break;
397
398 case HCI_ACLDATA_PKT:
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200399 pipe = usb_sndbulkpipe(data->udev, 0x02);
400
401 usb_fill_bulk_urb(urb, data->udev, pipe,
402 skb->data, skb->len, bpa10x_tx_complete, skb);
403
Linus Torvalds1da177e2005-04-16 15:20:36 -0700404 hdev->stat.acl_tx++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700405 break;
406
407 case HCI_SCODATA_PKT:
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200408 pipe = usb_sndbulkpipe(data->udev, 0x02);
409
410 usb_fill_bulk_urb(urb, data->udev, pipe,
411 skb->data, skb->len, bpa10x_tx_complete, skb);
412
Linus Torvalds1da177e2005-04-16 15:20:36 -0700413 hdev->stat.sco_tx++;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700414 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200416 default:
Adrian Bunkcb7cd422008-02-05 03:08:45 -0800417 usb_free_urb(urb);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200418 return -EILSEQ;
419 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700420
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200421 usb_anchor_urb(urb, &data->tx_anchor);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700422
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200423 err = usb_submit_urb(urb, GFP_ATOMIC);
424 if (err < 0) {
425 BT_ERR("%s urb %p submission failed", hdev->name, urb);
426 kfree(urb->setup_packet);
427 usb_unanchor_urb(urb);
428 }
429
430 usb_free_urb(urb);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700431
432 return 0;
433}
434
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *id)
436{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700437 struct bpa10x_data *data;
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200438 struct hci_dev *hdev;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439 int err;
440
441 BT_DBG("intf %p id %p", intf, id);
442
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200443 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
Marcel Holtmann245dc3d2005-10-28 19:20:57 +0200444 return -ENODEV;
445
Deepak Saxena089b1db2005-11-07 01:01:26 -0800446 data = kzalloc(sizeof(*data), GFP_KERNEL);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200447 if (!data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448 return -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200450 data->udev = interface_to_usbdev(intf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700451
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200452 init_usb_anchor(&data->tx_anchor);
453 init_usb_anchor(&data->rx_anchor);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700454
455 hdev = hci_alloc_dev();
456 if (!hdev) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700457 kfree(data);
458 return -ENOMEM;
459 }
460
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100461 hdev->bus = HCI_USB;
David Herrmann155961e2012-02-09 21:58:32 +0100462 hci_set_drvdata(hdev, data);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200463
464 data->hdev = hdev;
465
Linus Torvalds1da177e2005-04-16 15:20:36 -0700466 SET_HCIDEV_DEV(hdev, &intf->dev);
467
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200468 hdev->open = bpa10x_open;
469 hdev->close = bpa10x_close;
470 hdev->flush = bpa10x_flush;
471 hdev->send = bpa10x_send_frame;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100473 set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
474
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475 err = hci_register_dev(hdev);
476 if (err < 0) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477 hci_free_dev(hdev);
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200478 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479 return err;
480 }
481
482 usb_set_intfdata(intf, data);
483
484 return 0;
485}
486
487static void bpa10x_disconnect(struct usb_interface *intf)
488{
489 struct bpa10x_data *data = usb_get_intfdata(intf);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490
491 BT_DBG("intf %p", intf);
492
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200493 if (!data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494 return;
495
496 usb_set_intfdata(intf, NULL);
497
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200498 hci_unregister_dev(data->hdev);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700499
Marcel Holtmanne24b21e2007-10-20 13:41:33 +0200500 hci_free_dev(data->hdev);
David Herrmannd25442b2012-01-07 15:47:17 +0100501 kfree_skb(data->rx_skb[0]);
502 kfree_skb(data->rx_skb[1]);
503 kfree(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504}
505
506static struct usb_driver bpa10x_driver = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700507 .name = "bpa10x",
508 .probe = bpa10x_probe,
509 .disconnect = bpa10x_disconnect,
510 .id_table = bpa10x_table,
511};
512
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800513module_usb_driver(bpa10x_driver);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700514
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
516MODULE_DESCRIPTION("Digianswer Bluetooth USB driver ver " VERSION);
517MODULE_VERSION(VERSION);
518MODULE_LICENSE("GPL");