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Bluetooth: Rename hidp_find_connection()
[deliverable/linux.git] / drivers / bluetooth / btusb.c
CommitLineData
5e23b923
MH		 1/*
2 *
3 * Generic Bluetooth USB driver
4 *
9bfa35fe 5 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
5e23b923
MH		 6 *
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
24#include <linux/kernel.h>
25#include <linux/module.h>
26#include <linux/init.h>
27#include <linux/slab.h>
28#include <linux/types.h>
29#include <linux/sched.h>
30#include <linux/errno.h>
31#include <linux/skbuff.h>
32
33#include <linux/usb.h>
34
35#include <net/bluetooth/bluetooth.h>
36#include <net/bluetooth/hci_core.h>
37
7bee549e 38#define VERSION "0.6"
cfeb4145
MH		 39
40static int ignore_dga;
41static int ignore_csr;
42static int ignore_sniffer;
43static int disable_scofix;
44static int force_scofix;
7a9d4020
MH		 45
46static int reset = 1;
cfeb4145
MH		 47
48static struct usb_driver btusb_driver;
49
50#define BTUSB_IGNORE 0x01
7a9d4020
MH		 51#define BTUSB_DIGIANSWER 0x02
52#define BTUSB_CSR 0x04
53#define BTUSB_SNIFFER 0x08
54#define BTUSB_BCM92035 0x10
55#define BTUSB_BROKEN_ISOC 0x20
56#define BTUSB_WRONG_SCO_MTU 0x40
2d25f8b4 57#define BTUSB_ATH3012 0x80
5e23b923
MH		 58
59static struct usb_device_id btusb_table[] = {
60 /* Generic Bluetooth USB device */
61 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
62
c510eae3
ON		 63 /* Broadcom SoftSailing reporting vendor specific */
64 { USB_DEVICE(0x05ac, 0x21e1) },
65
3cd01976
NI		 66 /* Apple MacBookPro 7,1 */
67 { USB_DEVICE(0x05ac, 0x8213) },
68
0a79f674
CL		 69 /* Apple iMac11,1 */
70 { USB_DEVICE(0x05ac, 0x8215) },
71
9c047157
NI		 72 /* Apple MacBookPro6,2 */
73 { USB_DEVICE(0x05ac, 0x8218) },
74
3e3ede7d
EH		 75 /* Apple MacBookAir3,1, MacBookAir3,2 */
76 { USB_DEVICE(0x05ac, 0x821b) },
77
a63b723d
PAVM		 78 /* Apple MacBookAir4,1 */
79 { USB_DEVICE(0x05ac, 0x821f) },
80
88d377b6
MAP		 81 /* Apple MacBookPro8,2 */
82 { USB_DEVICE(0x05ac, 0x821a) },
83
f78b6826
JK		 84 /* Apple MacMini5,1 */
85 { USB_DEVICE(0x05ac, 0x8281) },
86
cfeb4145
MH		 87 /* AVM BlueFRITZ! USB v2.0 */
88 { USB_DEVICE(0x057c, 0x3800) },
89
90 /* Bluetooth Ultraport Module from IBM */
91 { USB_DEVICE(0x04bf, 0x030a) },
92
93 /* ALPS Modules with non-standard id */
94 { USB_DEVICE(0x044e, 0x3001) },
95 { USB_DEVICE(0x044e, 0x3002) },
96
97 /* Ericsson with non-standard id */
98 { USB_DEVICE(0x0bdb, 0x1002) },
99
100 /* Canyon CN-BTU1 with HID interfaces */
7a9d4020 101 { USB_DEVICE(0x0c10, 0x0000) },
cfeb4145 102
5e23b923
MH		 103 { } /* Terminating entry */
104};
105
106MODULE_DEVICE_TABLE(usb, btusb_table);
107
108static struct usb_device_id blacklist_table[] = {
cfeb4145
MH		 109 /* CSR BlueCore devices */
110 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
111
112 /* Broadcom BCM2033 without firmware */
113 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
114
be93112a
BS		 115 /* Atheros 3011 with sflash firmware */
116 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
2a7bcccc 117 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
8e7c3d2e 118 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
be93112a 119
509e7861
CYC		 120 /* Atheros AR9285 Malbec with sflash firmware */
121 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
122
d9f51b51 123 /* Atheros 3012 with sflash firmware */
2d25f8b4 124 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
d9f51b51 125
e9036e33
CYC		 126 /* Atheros AR5BBU12 with sflash firmware */
127 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
128
cfeb4145 129 /* Broadcom BCM2035 */
7a9d4020
MH		 130 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
131 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
132 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
cfeb4145
MH		 133
134 /* Broadcom BCM2045 */
7a9d4020
MH		 135 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
136 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 137
cfeb4145 138 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 139 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
140 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 141
142 /* HP laptop with Broadcom chip */
7a9d4020 143 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 144
145 /* Dell laptop with Broadcom chip */
7a9d4020 146 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 147
5ddd4a60 148 /* Dell Wireless 370 and 410 devices */
7a9d4020 149 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 150 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 151
7a9d4020
MH		 152 /* Belkin F8T012 and F8T013 devices */
153 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
154 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 155
5ddd4a60
MH		 156 /* Asus WL-BTD202 device */
157 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
158
159 /* Kensington Bluetooth USB adapter */
160 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
161
cfeb4145
MH		 162 /* RTX Telecom based adapters with buggy SCO support */
163 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
164 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
165
166 /* CONWISE Technology based adapters with buggy SCO support */
167 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
168
cfeb4145
MH		 169 /* Digianswer devices */
170 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
171 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
172
173 /* CSR BlueCore Bluetooth Sniffer */
174 { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
175
176 /* Frontline ComProbe Bluetooth Sniffer */
177 { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
178
5e23b923
MH		 179 { } /* Terminating entry */
180};
181
9bfa35fe
MH		 182#define BTUSB_MAX_ISOC_FRAMES 10
183
5e23b923
MH		 184#define BTUSB_INTR_RUNNING 0
185#define BTUSB_BULK_RUNNING 1
9bfa35fe 186#define BTUSB_ISOC_RUNNING 2
7bee549e 187#define BTUSB_SUSPENDING 3
08b8b6c4 188#define BTUSB_DID_ISO_RESUME 4
5e23b923
MH		 189
190struct btusb_data {
191 struct hci_dev *hdev;
192 struct usb_device *udev;
5fbcd260 193 struct usb_interface *intf;
9bfa35fe 194 struct usb_interface *isoc;
5e23b923
MH		 195
196 spinlock_t lock;
197
198 unsigned long flags;
199
200 struct work_struct work;
7bee549e 201 struct work_struct waker;
5e23b923
MH		 202
203 struct usb_anchor tx_anchor;
204 struct usb_anchor intr_anchor;
205 struct usb_anchor bulk_anchor;
9bfa35fe 206 struct usb_anchor isoc_anchor;
7bee549e
ON		 207 struct usb_anchor deferred;
208 int tx_in_flight;
209 spinlock_t txlock;
5e23b923
MH		 210
211 struct usb_endpoint_descriptor *intr_ep;
212 struct usb_endpoint_descriptor *bulk_tx_ep;
213 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 214 struct usb_endpoint_descriptor *isoc_tx_ep;
215 struct usb_endpoint_descriptor *isoc_rx_ep;
216
7a9d4020
MH		 217 __u8 cmdreq_type;
218
43c2e57f 219 unsigned int sco_num;
9bfa35fe 220 int isoc_altsetting;
6a88adf2 221 int suspend_count;
5e23b923
MH		 222};
223
7bee549e
ON		 224static int inc_tx(struct btusb_data *data)
225{
226 unsigned long flags;
227 int rv;
228
229 spin_lock_irqsave(&data->txlock, flags);
230 rv = test_bit(BTUSB_SUSPENDING, &data->flags);
231 if (!rv)
232 data->tx_in_flight++;
233 spin_unlock_irqrestore(&data->txlock, flags);
234
235 return rv;
236}
237
5e23b923
MH		 238static void btusb_intr_complete(struct urb *urb)
239{
240 struct hci_dev *hdev = urb->context;
241 struct btusb_data *data = hdev->driver_data;
242 int err;
243
244 BT_DBG("%s urb %p status %d count %d", hdev->name,
245 urb, urb->status, urb->actual_length);
246
247 if (!test_bit(HCI_RUNNING, &hdev->flags))
248 return;
249
250 if (urb->status == 0) {
9bfa35fe
MH		 251 hdev->stat.byte_rx += urb->actual_length;
252
5e23b923
MH		 253 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
254 urb->transfer_buffer,
255 urb->actual_length) < 0) {
256 BT_ERR("%s corrupted event packet", hdev->name);
257 hdev->stat.err_rx++;
258 }
259 }
260
261 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
262 return;
263
7bee549e 264 usb_mark_last_busy(data->udev);
5e23b923
MH		 265 usb_anchor_urb(urb, &data->intr_anchor);
266
267 err = usb_submit_urb(urb, GFP_ATOMIC);
268 if (err < 0) {
4935f1c1
PB		 269 /* -EPERM: urb is being killed;
270 * -ENODEV: device got disconnected */
271 if (err != -EPERM && err != -ENODEV)
61faddf6 272 BT_ERR("%s urb %p failed to resubmit (%d)",
5e23b923
MH		 273 hdev->name, urb, -err);
274 usb_unanchor_urb(urb);
275 }
276}
277
2eda66f4 278static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923
MH		 279{
280 struct btusb_data *data = hdev->driver_data;
281 struct urb *urb;
282 unsigned char *buf;
283 unsigned int pipe;
284 int err, size;
285
286 BT_DBG("%s", hdev->name);
287
9bfa35fe
MH		 288 if (!data->intr_ep)
289 return -ENODEV;
290
2eda66f4 291 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 292 if (!urb)
293 return -ENOMEM;
294
295 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
296
2eda66f4 297 buf = kmalloc(size, mem_flags);
5e23b923
MH		 298 if (!buf) {
299 usb_free_urb(urb);
300 return -ENOMEM;
301 }
302
303 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
304
305 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
306 btusb_intr_complete, hdev,
307 data->intr_ep->bInterval);
308
309 urb->transfer_flags |= URB_FREE_BUFFER;
310
311 usb_anchor_urb(urb, &data->intr_anchor);
312
2eda66f4 313 err = usb_submit_urb(urb, mem_flags);
5e23b923
MH		 314 if (err < 0) {
315 BT_ERR("%s urb %p submission failed (%d)",
316 hdev->name, urb, -err);
317 usb_unanchor_urb(urb);
5e23b923
MH		 318 }
319
320 usb_free_urb(urb);
321
322 return err;
323}
324
325static void btusb_bulk_complete(struct urb *urb)
326{
327 struct hci_dev *hdev = urb->context;
328 struct btusb_data *data = hdev->driver_data;
329 int err;
330
331 BT_DBG("%s urb %p status %d count %d", hdev->name,
332 urb, urb->status, urb->actual_length);
333
334 if (!test_bit(HCI_RUNNING, &hdev->flags))
335 return;
336
337 if (urb->status == 0) {
9bfa35fe
MH		 338 hdev->stat.byte_rx += urb->actual_length;
339
5e23b923
MH		 340 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
341 urb->transfer_buffer,
342 urb->actual_length) < 0) {
343 BT_ERR("%s corrupted ACL packet", hdev->name);
344 hdev->stat.err_rx++;
345 }
346 }
347
348 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
349 return;
350
351 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 352 usb_mark_last_busy(data->udev);
5e23b923
MH		 353
354 err = usb_submit_urb(urb, GFP_ATOMIC);
355 if (err < 0) {
4935f1c1
PB		 356 /* -EPERM: urb is being killed;
357 * -ENODEV: device got disconnected */
358 if (err != -EPERM && err != -ENODEV)
61faddf6 359 BT_ERR("%s urb %p failed to resubmit (%d)",
5e23b923
MH		 360 hdev->name, urb, -err);
361 usb_unanchor_urb(urb);
362 }
363}
364
2eda66f4 365static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923
MH		 366{
367 struct btusb_data *data = hdev->driver_data;
368 struct urb *urb;
369 unsigned char *buf;
370 unsigned int pipe;
290ba200 371 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 372
373 BT_DBG("%s", hdev->name);
374
9bfa35fe
MH		 375 if (!data->bulk_rx_ep)
376 return -ENODEV;
377
2eda66f4 378 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 379 if (!urb)
380 return -ENOMEM;
381
2eda66f4 382 buf = kmalloc(size, mem_flags);
5e23b923
MH		 383 if (!buf) {
384 usb_free_urb(urb);
385 return -ENOMEM;
386 }
387
388 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
389
390 usb_fill_bulk_urb(urb, data->udev, pipe,
391 buf, size, btusb_bulk_complete, hdev);
392
393 urb->transfer_flags |= URB_FREE_BUFFER;
394
7bee549e 395 usb_mark_last_busy(data->udev);
5e23b923
MH		 396 usb_anchor_urb(urb, &data->bulk_anchor);
397
2eda66f4 398 err = usb_submit_urb(urb, mem_flags);
5e23b923
MH		 399 if (err < 0) {
400 BT_ERR("%s urb %p submission failed (%d)",
401 hdev->name, urb, -err);
402 usb_unanchor_urb(urb);
5e23b923
MH		 403 }
404
405 usb_free_urb(urb);
406
407 return err;
408}
409
9bfa35fe
MH		 410static void btusb_isoc_complete(struct urb *urb)
411{
412 struct hci_dev *hdev = urb->context;
413 struct btusb_data *data = hdev->driver_data;
414 int i, err;
415
416 BT_DBG("%s urb %p status %d count %d", hdev->name,
417 urb, urb->status, urb->actual_length);
418
419 if (!test_bit(HCI_RUNNING, &hdev->flags))
420 return;
421
422 if (urb->status == 0) {
423 for (i = 0; i < urb->number_of_packets; i++) {
424 unsigned int offset = urb->iso_frame_desc[i].offset;
425 unsigned int length = urb->iso_frame_desc[i].actual_length;
426
427 if (urb->iso_frame_desc[i].status)
428 continue;
429
430 hdev->stat.byte_rx += length;
431
432 if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
433 urb->transfer_buffer + offset,
434 length) < 0) {
435 BT_ERR("%s corrupted SCO packet", hdev->name);
436 hdev->stat.err_rx++;
437 }
438 }
439 }
440
441 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
442 return;
443
444 usb_anchor_urb(urb, &data->isoc_anchor);
445
446 err = usb_submit_urb(urb, GFP_ATOMIC);
447 if (err < 0) {
4935f1c1
PB		 448 /* -EPERM: urb is being killed;
449 * -ENODEV: device got disconnected */
450 if (err != -EPERM && err != -ENODEV)
61faddf6 451 BT_ERR("%s urb %p failed to resubmit (%d)",
9bfa35fe
MH		 452 hdev->name, urb, -err);
453 usb_unanchor_urb(urb);
454 }
455}
456
42b16b3f 457static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 458{
459 int i, offset = 0;
460
461 BT_DBG("len %d mtu %d", len, mtu);
462
463 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
464 i++, offset += mtu, len -= mtu) {
465 urb->iso_frame_desc[i].offset = offset;
466 urb->iso_frame_desc[i].length = mtu;
467 }
468
469 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
470 urb->iso_frame_desc[i].offset = offset;
471 urb->iso_frame_desc[i].length = len;
472 i++;
473 }
474
475 urb->number_of_packets = i;
476}
477
2eda66f4 478static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe
MH		 479{
480 struct btusb_data *data = hdev->driver_data;
481 struct urb *urb;
482 unsigned char *buf;
483 unsigned int pipe;
484 int err, size;
485
486 BT_DBG("%s", hdev->name);
487
488 if (!data->isoc_rx_ep)
489 return -ENODEV;
490
2eda66f4 491 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 492 if (!urb)
493 return -ENOMEM;
494
495 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
496 BTUSB_MAX_ISOC_FRAMES;
497
2eda66f4 498 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 499 if (!buf) {
500 usb_free_urb(urb);
501 return -ENOMEM;
502 }
503
504 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
505
506 urb->dev = data->udev;
507 urb->pipe = pipe;
508 urb->context = hdev;
509 urb->complete = btusb_isoc_complete;
510 urb->interval = data->isoc_rx_ep->bInterval;
511
512 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
513 urb->transfer_buffer = buf;
514 urb->transfer_buffer_length = size;
515
516 __fill_isoc_descriptor(urb, size,
517 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
518
519 usb_anchor_urb(urb, &data->isoc_anchor);
520
2eda66f4 521 err = usb_submit_urb(urb, mem_flags);
9bfa35fe
MH		 522 if (err < 0) {
523 BT_ERR("%s urb %p submission failed (%d)",
524 hdev->name, urb, -err);
525 usb_unanchor_urb(urb);
9bfa35fe
MH		 526 }
527
528 usb_free_urb(urb);
529
530 return err;
531}
532
5e23b923 533static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 534{
535 struct sk_buff *skb = urb->context;
536 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
537 struct btusb_data *data = hdev->driver_data;
538
539 BT_DBG("%s urb %p status %d count %d", hdev->name,
540 urb, urb->status, urb->actual_length);
541
542 if (!test_bit(HCI_RUNNING, &hdev->flags))
543 goto done;
544
545 if (!urb->status)
546 hdev->stat.byte_tx += urb->transfer_buffer_length;
547 else
548 hdev->stat.err_tx++;
549
550done:
551 spin_lock(&data->txlock);
552 data->tx_in_flight--;
553 spin_unlock(&data->txlock);
554
555 kfree(urb->setup_packet);
556
557 kfree_skb(skb);
558}
559
560static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 561{
562 struct sk_buff *skb = urb->context;
563 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
564
565 BT_DBG("%s urb %p status %d count %d", hdev->name,
566 urb, urb->status, urb->actual_length);
567
568 if (!test_bit(HCI_RUNNING, &hdev->flags))
569 goto done;
570
571 if (!urb->status)
572 hdev->stat.byte_tx += urb->transfer_buffer_length;
573 else
574 hdev->stat.err_tx++;
575
576done:
577 kfree(urb->setup_packet);
578
579 kfree_skb(skb);
580}
581
582static int btusb_open(struct hci_dev *hdev)
583{
584 struct btusb_data *data = hdev->driver_data;
585 int err;
586
587 BT_DBG("%s", hdev->name);
588
7bee549e
ON		 589 err = usb_autopm_get_interface(data->intf);
590 if (err < 0)
591 return err;
592
593 data->intf->needs_remote_wakeup = 1;
594
5e23b923 595 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
7bee549e 596 goto done;
5e23b923
MH		 597
598 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 599 goto done;
5e23b923 600
2eda66f4 601 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 602 if (err < 0)
603 goto failed;
604
605 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 606 if (err < 0) {
43c2e57f
MH		 607 usb_kill_anchored_urbs(&data->intr_anchor);
608 goto failed;
5e23b923
MH		 609 }
610
43c2e57f
MH		 611 set_bit(BTUSB_BULK_RUNNING, &data->flags);
612 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
613
7bee549e
ON		 614done:
615 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 616 return 0;
617
618failed:
619 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
620 clear_bit(HCI_RUNNING, &hdev->flags);
7bee549e 621 usb_autopm_put_interface(data->intf);
5e23b923
MH		 622 return err;
623}
624
7bee549e
ON		 625static void btusb_stop_traffic(struct btusb_data *data)
626{
627 usb_kill_anchored_urbs(&data->intr_anchor);
628 usb_kill_anchored_urbs(&data->bulk_anchor);
629 usb_kill_anchored_urbs(&data->isoc_anchor);
630}
631
5e23b923
MH		 632static int btusb_close(struct hci_dev *hdev)
633{
634 struct btusb_data *data = hdev->driver_data;
7bee549e 635 int err;
5e23b923
MH		 636
637 BT_DBG("%s", hdev->name);
638
639 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
640 return 0;
641
e8c3c3d2 642 cancel_work_sync(&data->work);
404291ac 643 cancel_work_sync(&data->waker);
e8c3c3d2 644
9bfa35fe 645 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 646 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 647 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e
ON		 648
649 btusb_stop_traffic(data);
650 err = usb_autopm_get_interface(data->intf);
651 if (err < 0)
7b8e2c1d 652 goto failed;
7bee549e
ON		 653
654 data->intf->needs_remote_wakeup = 0;
655 usb_autopm_put_interface(data->intf);
5e23b923 656
7b8e2c1d
ON		 657failed:
658 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 659 return 0;
660}
661
662static int btusb_flush(struct hci_dev *hdev)
663{
664 struct btusb_data *data = hdev->driver_data;
665
666 BT_DBG("%s", hdev->name);
667
668 usb_kill_anchored_urbs(&data->tx_anchor);
669
670 return 0;
671}
672
673static int btusb_send_frame(struct sk_buff *skb)
674{
675 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
676 struct btusb_data *data = hdev->driver_data;
677 struct usb_ctrlrequest *dr;
678 struct urb *urb;
679 unsigned int pipe;
680 int err;
681
682 BT_DBG("%s", hdev->name);
683
684 if (!test_bit(HCI_RUNNING, &hdev->flags))
685 return -EBUSY;
686
687 switch (bt_cb(skb)->pkt_type) {
688 case HCI_COMMAND_PKT:
689 urb = usb_alloc_urb(0, GFP_ATOMIC);
690 if (!urb)
691 return -ENOMEM;
692
693 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
694 if (!dr) {
695 usb_free_urb(urb);
696 return -ENOMEM;
697 }
698
7a9d4020 699 dr->bRequestType = data->cmdreq_type;
5e23b923
MH		 700 dr->bRequest = 0;
701 dr->wIndex = 0;
702 dr->wValue = 0;
703 dr->wLength = __cpu_to_le16(skb->len);
704
705 pipe = usb_sndctrlpipe(data->udev, 0x00);
706
707 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
708 skb->data, skb->len, btusb_tx_complete, skb);
709
710 hdev->stat.cmd_tx++;
711 break;
712
713 case HCI_ACLDATA_PKT:
9fd481e0 714 if (!data->bulk_tx_ep)
9bfa35fe
MH		 715 return -ENODEV;
716
5e23b923
MH		 717 urb = usb_alloc_urb(0, GFP_ATOMIC);
718 if (!urb)
719 return -ENOMEM;
720
721 pipe = usb_sndbulkpipe(data->udev,
722 data->bulk_tx_ep->bEndpointAddress);
723
724 usb_fill_bulk_urb(urb, data->udev, pipe,
725 skb->data, skb->len, btusb_tx_complete, skb);
726
727 hdev->stat.acl_tx++;
728 break;
729
730 case HCI_SCODATA_PKT:
9bfa35fe
MH		 731 if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
732 return -ENODEV;
733
734 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
735 if (!urb)
736 return -ENOMEM;
737
738 pipe = usb_sndisocpipe(data->udev,
739 data->isoc_tx_ep->bEndpointAddress);
740
03c2d0e8
GP		 741 usb_fill_int_urb(urb, data->udev, pipe,
742 skb->data, skb->len, btusb_isoc_tx_complete,
743 skb, data->isoc_tx_ep->bInterval);
9bfa35fe
MH		 744
745 urb->transfer_flags = URB_ISO_ASAP;
9bfa35fe
MH		 746
747 __fill_isoc_descriptor(urb, skb->len,
748 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
749
5e23b923 750 hdev->stat.sco_tx++;
7bee549e 751 goto skip_waking;
5e23b923
MH		 752
753 default:
754 return -EILSEQ;
755 }
756
7bee549e
ON		 757 err = inc_tx(data);
758 if (err) {
759 usb_anchor_urb(urb, &data->deferred);
760 schedule_work(&data->waker);
761 err = 0;
762 goto done;
763 }
764
765skip_waking:
5e23b923
MH		 766 usb_anchor_urb(urb, &data->tx_anchor);
767
768 err = usb_submit_urb(urb, GFP_ATOMIC);
769 if (err < 0) {
770 BT_ERR("%s urb %p submission failed", hdev->name, urb);
771 kfree(urb->setup_packet);
772 usb_unanchor_urb(urb);
7bee549e
ON		 773 } else {
774 usb_mark_last_busy(data->udev);
5e23b923
MH		 775 }
776
777 usb_free_urb(urb);
778
7bee549e 779done:
5e23b923
MH		 780 return err;
781}
782
783static void btusb_destruct(struct hci_dev *hdev)
784{
785 struct btusb_data *data = hdev->driver_data;
786
787 BT_DBG("%s", hdev->name);
788
789 kfree(data);
790}
791
792static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
793{
794 struct btusb_data *data = hdev->driver_data;
795
796 BT_DBG("%s evt %d", hdev->name, evt);
797
43c2e57f
MH		 798 if (hdev->conn_hash.sco_num != data->sco_num) {
799 data->sco_num = hdev->conn_hash.sco_num;
800 schedule_work(&data->work);
a780efa8 801 }
5e23b923
MH		 802}
803
42b16b3f 804static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe
MH		 805{
806 struct btusb_data *data = hdev->driver_data;
807 struct usb_interface *intf = data->isoc;
808 struct usb_endpoint_descriptor *ep_desc;
809 int i, err;
810
811 if (!data->isoc)
812 return -ENODEV;
813
814 err = usb_set_interface(data->udev, 1, altsetting);
815 if (err < 0) {
816 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
817 return err;
818 }
819
820 data->isoc_altsetting = altsetting;
821
822 data->isoc_tx_ep = NULL;
823 data->isoc_rx_ep = NULL;
824
825 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
826 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
827
828 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
829 data->isoc_tx_ep = ep_desc;
830 continue;
831 }
832
833 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
834 data->isoc_rx_ep = ep_desc;
835 continue;
836 }
837 }
838
839 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
840 BT_ERR("%s invalid SCO descriptors", hdev->name);
841 return -ENODEV;
842 }
843
844 return 0;
845}
846
5e23b923
MH		 847static void btusb_work(struct work_struct *work)
848{
849 struct btusb_data *data = container_of(work, struct btusb_data, work);
850 struct hci_dev *hdev = data->hdev;
7bee549e 851 int err;
5e23b923 852
9bfa35fe 853 if (hdev->conn_hash.sco_num > 0) {
08b8b6c4 854 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 855 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 856 if (err < 0) {
857 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
858 usb_kill_anchored_urbs(&data->isoc_anchor);
859 return;
860 }
861
08b8b6c4 862 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 863 }
9bfa35fe
MH		 864 if (data->isoc_altsetting != 2) {
865 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
866 usb_kill_anchored_urbs(&data->isoc_anchor);
867
868 if (__set_isoc_interface(hdev, 2) < 0)
869 return;
870 }
871
872 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 873 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 874 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
875 else
2eda66f4 876 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 877 }
878 } else {
879 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
880 usb_kill_anchored_urbs(&data->isoc_anchor);
881
882 __set_isoc_interface(hdev, 0);
08b8b6c4 883 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 884 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 885 }
886}
887
7bee549e
ON		 888static void btusb_waker(struct work_struct *work)
889{
890 struct btusb_data *data = container_of(work, struct btusb_data, waker);
891 int err;
892
893 err = usb_autopm_get_interface(data->intf);
894 if (err < 0)
895 return;
896
897 usb_autopm_put_interface(data->intf);
898}
899
5e23b923
MH		 900static int btusb_probe(struct usb_interface *intf,
901 const struct usb_device_id *id)
902{
903 struct usb_endpoint_descriptor *ep_desc;
904 struct btusb_data *data;
905 struct hci_dev *hdev;
906 int i, err;
907
908 BT_DBG("intf %p id %p", intf, id);
909
cfeb4145 910 /* interface numbers are hardcoded in the spec */
5e23b923
MH		 911 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
912 return -ENODEV;
913
914 if (!id->driver_info) {
915 const struct usb_device_id *match;
916 match = usb_match_id(intf, blacklist_table);
917 if (match)
918 id = match;
919 }
920
cfeb4145
MH		 921 if (id->driver_info == BTUSB_IGNORE)
922 return -ENODEV;
923
924 if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
925 return -ENODEV;
926
927 if (ignore_csr && id->driver_info & BTUSB_CSR)
928 return -ENODEV;
929
930 if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
931 return -ENODEV;
932
2d25f8b4
SL		 933 if (id->driver_info & BTUSB_ATH3012) {
934 struct usb_device *udev = interface_to_usbdev(intf);
935
936 /* Old firmware would otherwise let ath3k driver load
937 * patch and sysconfig files */
938 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
939 return -ENODEV;
940 }
941
5e23b923
MH		 942 data = kzalloc(sizeof(*data), GFP_KERNEL);
943 if (!data)
944 return -ENOMEM;
945
946 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
947 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
948
949 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
950 data->intr_ep = ep_desc;
951 continue;
952 }
953
954 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
955 data->bulk_tx_ep = ep_desc;
956 continue;
957 }
958
959 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
960 data->bulk_rx_ep = ep_desc;
961 continue;
962 }
963 }
964
965 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
966 kfree(data);
967 return -ENODEV;
968 }
969
7a9d4020
MH		 970 data->cmdreq_type = USB_TYPE_CLASS;
971
5e23b923 972 data->udev = interface_to_usbdev(intf);
5fbcd260 973 data->intf = intf;
5e23b923
MH		 974
975 spin_lock_init(&data->lock);
976
977 INIT_WORK(&data->work, btusb_work);
7bee549e
ON		 978 INIT_WORK(&data->waker, btusb_waker);
979 spin_lock_init(&data->txlock);
5e23b923
MH		 980
981 init_usb_anchor(&data->tx_anchor);
982 init_usb_anchor(&data->intr_anchor);
983 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 984 init_usb_anchor(&data->isoc_anchor);
7bee549e 985 init_usb_anchor(&data->deferred);
5e23b923
MH		 986
987 hdev = hci_alloc_dev();
988 if (!hdev) {
989 kfree(data);
990 return -ENOMEM;
991 }
992
c13854ce 993 hdev->bus = HCI_USB;
5e23b923
MH		 994 hdev->driver_data = data;
995
996 data->hdev = hdev;
997
998 SET_HCIDEV_DEV(hdev, &intf->dev);
999
1000 hdev->open = btusb_open;
1001 hdev->close = btusb_close;
1002 hdev->flush = btusb_flush;
1003 hdev->send = btusb_send_frame;
1004 hdev->destruct = btusb_destruct;
1005 hdev->notify = btusb_notify;
1006
1007 hdev->owner = THIS_MODULE;
1008
7a9d4020 1009 /* Interface numbers are hardcoded in the specification */
9bfa35fe
MH		 1010 data->isoc = usb_ifnum_to_if(data->udev, 1);
1011
7a9d4020
MH		 1012 if (!reset)
1013 set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
cfeb4145
MH		 1014
1015 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1016 if (!disable_scofix)
1017 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1018 }
1019
9bfa35fe
MH		 1020 if (id->driver_info & BTUSB_BROKEN_ISOC)
1021 data->isoc = NULL;
1022
7a9d4020
MH		 1023 if (id->driver_info & BTUSB_DIGIANSWER) {
1024 data->cmdreq_type = USB_TYPE_VENDOR;
1025 set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
1026 }
1027
1028 if (id->driver_info & BTUSB_CSR) {
1029 struct usb_device *udev = data->udev;
1030
1031 /* Old firmware would otherwise execute USB reset */
1032 if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
1033 set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
1034 }
1035
cfeb4145 1036 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 1037 struct usb_device *udev = data->udev;
cfeb4145 1038
7a9d4020 1039 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 1040 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1041 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
9bfa35fe
MH		 1042
1043 data->isoc = NULL;
cfeb4145
MH		 1044 }
1045
1046 if (id->driver_info & BTUSB_BCM92035) {
1047 unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 };
1048 struct sk_buff *skb;
1049
1050 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
1051 if (skb) {
1052 memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
1053 skb_queue_tail(&hdev->driver_init, skb);
1054 }
1055 }
5e23b923 1056
9bfa35fe
MH		 1057 if (data->isoc) {
1058 err = usb_driver_claim_interface(&btusb_driver,
5fbcd260 1059 data->isoc, data);
9bfa35fe
MH		 1060 if (err < 0) {
1061 hci_free_dev(hdev);
1062 kfree(data);
1063 return err;
1064 }
1065 }
1066
5e23b923
MH		 1067 err = hci_register_dev(hdev);
1068 if (err < 0) {
1069 hci_free_dev(hdev);
1070 kfree(data);
1071 return err;
1072 }
1073
1074 usb_set_intfdata(intf, data);
1075
1076 return 0;
1077}
1078
1079static void btusb_disconnect(struct usb_interface *intf)
1080{
1081 struct btusb_data *data = usb_get_intfdata(intf);
1082 struct hci_dev *hdev;
1083
1084 BT_DBG("intf %p", intf);
1085
1086 if (!data)
1087 return;
1088
1089 hdev = data->hdev;
1090
5fbcd260 1091 __hci_dev_hold(hdev);
9bfa35fe 1092
5fbcd260
MH		 1093 usb_set_intfdata(data->intf, NULL);
1094
1095 if (data->isoc)
1096 usb_set_intfdata(data->isoc, NULL);
5e23b923
MH		 1097
1098 hci_unregister_dev(hdev);
1099
5fbcd260
MH		 1100 if (intf == data->isoc)
1101 usb_driver_release_interface(&btusb_driver, data->intf);
1102 else if (data->isoc)
1103 usb_driver_release_interface(&btusb_driver, data->isoc);
1104
1105 __hci_dev_put(hdev);
1106
5e23b923
MH		 1107 hci_free_dev(hdev);
1108}
1109
7bee549e 1110#ifdef CONFIG_PM
6a88adf2
MH		 1111static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1112{
1113 struct btusb_data *data = usb_get_intfdata(intf);
1114
1115 BT_DBG("intf %p", intf);
1116
1117 if (data->suspend_count++)
1118 return 0;
1119
7bee549e 1120 spin_lock_irq(&data->txlock);
fb34d537 1121 if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) {
7bee549e
ON		 1122 set_bit(BTUSB_SUSPENDING, &data->flags);
1123 spin_unlock_irq(&data->txlock);
1124 } else {
1125 spin_unlock_irq(&data->txlock);
1126 data->suspend_count--;
1127 return -EBUSY;
1128 }
1129
6a88adf2
MH		 1130 cancel_work_sync(&data->work);
1131
7bee549e 1132 btusb_stop_traffic(data);
6a88adf2
MH		 1133 usb_kill_anchored_urbs(&data->tx_anchor);
1134
6a88adf2
MH		 1135 return 0;
1136}
1137
7bee549e
ON		 1138static void play_deferred(struct btusb_data *data)
1139{
1140 struct urb *urb;
1141 int err;
1142
1143 while ((urb = usb_get_from_anchor(&data->deferred))) {
1144 err = usb_submit_urb(urb, GFP_ATOMIC);
1145 if (err < 0)
1146 break;
1147
1148 data->tx_in_flight++;
1149 }
1150 usb_scuttle_anchored_urbs(&data->deferred);
1151}
1152
6a88adf2
MH		 1153static int btusb_resume(struct usb_interface *intf)
1154{
1155 struct btusb_data *data = usb_get_intfdata(intf);
1156 struct hci_dev *hdev = data->hdev;
7bee549e 1157 int err = 0;
6a88adf2
MH		 1158
1159 BT_DBG("intf %p", intf);
1160
1161 if (--data->suspend_count)
1162 return 0;
1163
1164 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 1165 goto done;
6a88adf2
MH		 1166
1167 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1168 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1169 if (err < 0) {
1170 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1171 goto failed;
6a88adf2
MH		 1172 }
1173 }
1174
1175 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 1176 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1177 if (err < 0) {
6a88adf2 1178 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 1179 goto failed;
1180 }
1181
1182 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 1183 }
1184
1185 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1186 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1187 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1188 else
1189 btusb_submit_isoc_urb(hdev, GFP_NOIO);
1190 }
1191
7bee549e
ON		 1192 spin_lock_irq(&data->txlock);
1193 play_deferred(data);
1194 clear_bit(BTUSB_SUSPENDING, &data->flags);
1195 spin_unlock_irq(&data->txlock);
1196 schedule_work(&data->work);
1197
6a88adf2 1198 return 0;
7bee549e
ON		 1199
1200failed:
1201 usb_scuttle_anchored_urbs(&data->deferred);
1202done:
1203 spin_lock_irq(&data->txlock);
1204 clear_bit(BTUSB_SUSPENDING, &data->flags);
1205 spin_unlock_irq(&data->txlock);
1206
1207 return err;
6a88adf2 1208}
7bee549e 1209#endif
6a88adf2 1210
5e23b923
MH		 1211static struct usb_driver btusb_driver = {
1212 .name = "btusb",
1213 .probe = btusb_probe,
1214 .disconnect = btusb_disconnect,
7bee549e 1215#ifdef CONFIG_PM
6a88adf2
MH		 1216 .suspend = btusb_suspend,
1217 .resume = btusb_resume,
7bee549e 1218#endif
5e23b923 1219 .id_table = btusb_table,
7bee549e 1220 .supports_autosuspend = 1,
5e23b923
MH		 1221};
1222
1223static int __init btusb_init(void)
1224{
1225 BT_INFO("Generic Bluetooth USB driver ver %s", VERSION);
1226
1227 return usb_register(&btusb_driver);
1228}
1229
1230static void __exit btusb_exit(void)
1231{
1232 usb_deregister(&btusb_driver);
1233}
1234
1235module_init(btusb_init);
1236module_exit(btusb_exit);
1237
cfeb4145
MH		 1238module_param(ignore_dga, bool, 0644);
1239MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1240
1241module_param(ignore_csr, bool, 0644);
1242MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1243
1244module_param(ignore_sniffer, bool, 0644);
1245MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1246
1247module_param(disable_scofix, bool, 0644);
1248MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1249
1250module_param(force_scofix, bool, 0644);
1251MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1252
1253module_param(reset, bool, 0644);
1254MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1255
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MH		 1256MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1257MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1258MODULE_VERSION(VERSION);
1259MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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