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