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Bluetooth: Rename info_work to info_timer
[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
d13431ca
WJS		 103 /* Broadcom BCM20702A0 */
104 { USB_DEVICE(0x413c, 0x8197) },
105
5e23b923
MH		 106 { } /* Terminating entry */
107};
108
109MODULE_DEVICE_TABLE(usb, btusb_table);
110
111static struct usb_device_id blacklist_table[] = {
cfeb4145
MH		 112 /* CSR BlueCore devices */
113 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
114
115 /* Broadcom BCM2033 without firmware */
116 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
117
be93112a
BS		 118 /* Atheros 3011 with sflash firmware */
119 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
2a7bcccc 120 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
8e7c3d2e 121 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
be93112a 122
509e7861
CYC		 123 /* Atheros AR9285 Malbec with sflash firmware */
124 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
125
d9f51b51 126 /* Atheros 3012 with sflash firmware */
2d25f8b4 127 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
d9f51b51 128
e9036e33
CYC		 129 /* Atheros AR5BBU12 with sflash firmware */
130 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
131
cfeb4145 132 /* Broadcom BCM2035 */
7a9d4020
MH		 133 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
134 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
135 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
cfeb4145
MH		 136
137 /* Broadcom BCM2045 */
7a9d4020
MH		 138 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
139 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 140
cfeb4145 141 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 142 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
143 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 144
145 /* HP laptop with Broadcom chip */
7a9d4020 146 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 147
148 /* Dell laptop with Broadcom chip */
7a9d4020 149 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 150
5ddd4a60 151 /* Dell Wireless 370 and 410 devices */
7a9d4020 152 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 153 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 154
7a9d4020
MH		 155 /* Belkin F8T012 and F8T013 devices */
156 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
157 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 158
5ddd4a60
MH		 159 /* Asus WL-BTD202 device */
160 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
161
162 /* Kensington Bluetooth USB adapter */
163 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
164
cfeb4145
MH		 165 /* RTX Telecom based adapters with buggy SCO support */
166 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
167 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
168
169 /* CONWISE Technology based adapters with buggy SCO support */
170 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
171
cfeb4145
MH		 172 /* Digianswer devices */
173 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
174 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
175
176 /* CSR BlueCore Bluetooth Sniffer */
177 { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
178
179 /* Frontline ComProbe Bluetooth Sniffer */
180 { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
181
5e23b923
MH		 182 { } /* Terminating entry */
183};
184
9bfa35fe
MH		 185#define BTUSB_MAX_ISOC_FRAMES 10
186
5e23b923
MH		 187#define BTUSB_INTR_RUNNING 0
188#define BTUSB_BULK_RUNNING 1
9bfa35fe 189#define BTUSB_ISOC_RUNNING 2
7bee549e 190#define BTUSB_SUSPENDING 3
08b8b6c4 191#define BTUSB_DID_ISO_RESUME 4
5e23b923
MH		 192
193struct btusb_data {
194 struct hci_dev *hdev;
195 struct usb_device *udev;
5fbcd260 196 struct usb_interface *intf;
9bfa35fe 197 struct usb_interface *isoc;
5e23b923
MH		 198
199 spinlock_t lock;
200
201 unsigned long flags;
202
203 struct work_struct work;
7bee549e 204 struct work_struct waker;
5e23b923
MH		 205
206 struct usb_anchor tx_anchor;
207 struct usb_anchor intr_anchor;
208 struct usb_anchor bulk_anchor;
9bfa35fe 209 struct usb_anchor isoc_anchor;
7bee549e
ON		 210 struct usb_anchor deferred;
211 int tx_in_flight;
212 spinlock_t txlock;
5e23b923
MH		 213
214 struct usb_endpoint_descriptor *intr_ep;
215 struct usb_endpoint_descriptor *bulk_tx_ep;
216 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 217 struct usb_endpoint_descriptor *isoc_tx_ep;
218 struct usb_endpoint_descriptor *isoc_rx_ep;
219
7a9d4020
MH		 220 __u8 cmdreq_type;
221
43c2e57f 222 unsigned int sco_num;
9bfa35fe 223 int isoc_altsetting;
6a88adf2 224 int suspend_count;
5e23b923
MH		 225};
226
7bee549e
ON		 227static int inc_tx(struct btusb_data *data)
228{
229 unsigned long flags;
230 int rv;
231
232 spin_lock_irqsave(&data->txlock, flags);
233 rv = test_bit(BTUSB_SUSPENDING, &data->flags);
234 if (!rv)
235 data->tx_in_flight++;
236 spin_unlock_irqrestore(&data->txlock, flags);
237
238 return rv;
239}
240
5e23b923
MH		 241static void btusb_intr_complete(struct urb *urb)
242{
243 struct hci_dev *hdev = urb->context;
244 struct btusb_data *data = hdev->driver_data;
245 int err;
246
247 BT_DBG("%s urb %p status %d count %d", hdev->name,
248 urb, urb->status, urb->actual_length);
249
250 if (!test_bit(HCI_RUNNING, &hdev->flags))
251 return;
252
253 if (urb->status == 0) {
9bfa35fe
MH		 254 hdev->stat.byte_rx += urb->actual_length;
255
5e23b923
MH		 256 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
257 urb->transfer_buffer,
258 urb->actual_length) < 0) {
259 BT_ERR("%s corrupted event packet", hdev->name);
260 hdev->stat.err_rx++;
261 }
262 }
263
264 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
265 return;
266
7bee549e 267 usb_mark_last_busy(data->udev);
5e23b923
MH		 268 usb_anchor_urb(urb, &data->intr_anchor);
269
270 err = usb_submit_urb(urb, GFP_ATOMIC);
271 if (err < 0) {
4935f1c1
PB		 272 /* -EPERM: urb is being killed;
273 * -ENODEV: device got disconnected */
274 if (err != -EPERM && err != -ENODEV)
61faddf6 275 BT_ERR("%s urb %p failed to resubmit (%d)",
5e23b923
MH		 276 hdev->name, urb, -err);
277 usb_unanchor_urb(urb);
278 }
279}
280
2eda66f4 281static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923
MH		 282{
283 struct btusb_data *data = hdev->driver_data;
284 struct urb *urb;
285 unsigned char *buf;
286 unsigned int pipe;
287 int err, size;
288
289 BT_DBG("%s", hdev->name);
290
9bfa35fe
MH		 291 if (!data->intr_ep)
292 return -ENODEV;
293
2eda66f4 294 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 295 if (!urb)
296 return -ENOMEM;
297
298 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
299
2eda66f4 300 buf = kmalloc(size, mem_flags);
5e23b923
MH		 301 if (!buf) {
302 usb_free_urb(urb);
303 return -ENOMEM;
304 }
305
306 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
307
308 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
309 btusb_intr_complete, hdev,
310 data->intr_ep->bInterval);
311
312 urb->transfer_flags |= URB_FREE_BUFFER;
313
314 usb_anchor_urb(urb, &data->intr_anchor);
315
2eda66f4 316 err = usb_submit_urb(urb, mem_flags);
5e23b923 317 if (err < 0) {
d4b8d1c9
PB		 318 if (err != -EPERM && err != -ENODEV)
319 BT_ERR("%s urb %p submission failed (%d)",
5e23b923
MH		 320 hdev->name, urb, -err);
321 usb_unanchor_urb(urb);
5e23b923
MH		 322 }
323
324 usb_free_urb(urb);
325
326 return err;
327}
328
329static void btusb_bulk_complete(struct urb *urb)
330{
331 struct hci_dev *hdev = urb->context;
332 struct btusb_data *data = hdev->driver_data;
333 int err;
334
335 BT_DBG("%s urb %p status %d count %d", hdev->name,
336 urb, urb->status, urb->actual_length);
337
338 if (!test_bit(HCI_RUNNING, &hdev->flags))
339 return;
340
341 if (urb->status == 0) {
9bfa35fe
MH		 342 hdev->stat.byte_rx += urb->actual_length;
343
5e23b923
MH		 344 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
345 urb->transfer_buffer,
346 urb->actual_length) < 0) {
347 BT_ERR("%s corrupted ACL packet", hdev->name);
348 hdev->stat.err_rx++;
349 }
350 }
351
352 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
353 return;
354
355 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 356 usb_mark_last_busy(data->udev);
5e23b923
MH		 357
358 err = usb_submit_urb(urb, GFP_ATOMIC);
359 if (err < 0) {
4935f1c1
PB		 360 /* -EPERM: urb is being killed;
361 * -ENODEV: device got disconnected */
362 if (err != -EPERM && err != -ENODEV)
61faddf6 363 BT_ERR("%s urb %p failed to resubmit (%d)",
5e23b923
MH		 364 hdev->name, urb, -err);
365 usb_unanchor_urb(urb);
366 }
367}
368
2eda66f4 369static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923
MH		 370{
371 struct btusb_data *data = hdev->driver_data;
372 struct urb *urb;
373 unsigned char *buf;
374 unsigned int pipe;
290ba200 375 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 376
377 BT_DBG("%s", hdev->name);
378
9bfa35fe
MH		 379 if (!data->bulk_rx_ep)
380 return -ENODEV;
381
2eda66f4 382 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 383 if (!urb)
384 return -ENOMEM;
385
2eda66f4 386 buf = kmalloc(size, mem_flags);
5e23b923
MH		 387 if (!buf) {
388 usb_free_urb(urb);
389 return -ENOMEM;
390 }
391
392 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
393
394 usb_fill_bulk_urb(urb, data->udev, pipe,
395 buf, size, btusb_bulk_complete, hdev);
396
397 urb->transfer_flags |= URB_FREE_BUFFER;
398
7bee549e 399 usb_mark_last_busy(data->udev);
5e23b923
MH		 400 usb_anchor_urb(urb, &data->bulk_anchor);
401
2eda66f4 402 err = usb_submit_urb(urb, mem_flags);
5e23b923 403 if (err < 0) {
d4b8d1c9
PB		 404 if (err != -EPERM && err != -ENODEV)
405 BT_ERR("%s urb %p submission failed (%d)",
5e23b923
MH		 406 hdev->name, urb, -err);
407 usb_unanchor_urb(urb);
5e23b923
MH		 408 }
409
410 usb_free_urb(urb);
411
412 return err;
413}
414
9bfa35fe
MH		 415static void btusb_isoc_complete(struct urb *urb)
416{
417 struct hci_dev *hdev = urb->context;
418 struct btusb_data *data = hdev->driver_data;
419 int i, err;
420
421 BT_DBG("%s urb %p status %d count %d", hdev->name,
422 urb, urb->status, urb->actual_length);
423
424 if (!test_bit(HCI_RUNNING, &hdev->flags))
425 return;
426
427 if (urb->status == 0) {
428 for (i = 0; i < urb->number_of_packets; i++) {
429 unsigned int offset = urb->iso_frame_desc[i].offset;
430 unsigned int length = urb->iso_frame_desc[i].actual_length;
431
432 if (urb->iso_frame_desc[i].status)
433 continue;
434
435 hdev->stat.byte_rx += length;
436
437 if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
438 urb->transfer_buffer + offset,
439 length) < 0) {
440 BT_ERR("%s corrupted SCO packet", hdev->name);
441 hdev->stat.err_rx++;
442 }
443 }
444 }
445
446 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
447 return;
448
449 usb_anchor_urb(urb, &data->isoc_anchor);
450
451 err = usb_submit_urb(urb, GFP_ATOMIC);
452 if (err < 0) {
4935f1c1
PB		 453 /* -EPERM: urb is being killed;
454 * -ENODEV: device got disconnected */
455 if (err != -EPERM && err != -ENODEV)
61faddf6 456 BT_ERR("%s urb %p failed to resubmit (%d)",
9bfa35fe
MH		 457 hdev->name, urb, -err);
458 usb_unanchor_urb(urb);
459 }
460}
461
42b16b3f 462static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 463{
464 int i, offset = 0;
465
466 BT_DBG("len %d mtu %d", len, mtu);
467
468 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
469 i++, offset += mtu, len -= mtu) {
470 urb->iso_frame_desc[i].offset = offset;
471 urb->iso_frame_desc[i].length = mtu;
472 }
473
474 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
475 urb->iso_frame_desc[i].offset = offset;
476 urb->iso_frame_desc[i].length = len;
477 i++;
478 }
479
480 urb->number_of_packets = i;
481}
482
2eda66f4 483static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe
MH		 484{
485 struct btusb_data *data = hdev->driver_data;
486 struct urb *urb;
487 unsigned char *buf;
488 unsigned int pipe;
489 int err, size;
490
491 BT_DBG("%s", hdev->name);
492
493 if (!data->isoc_rx_ep)
494 return -ENODEV;
495
2eda66f4 496 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 497 if (!urb)
498 return -ENOMEM;
499
500 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
501 BTUSB_MAX_ISOC_FRAMES;
502
2eda66f4 503 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 504 if (!buf) {
505 usb_free_urb(urb);
506 return -ENOMEM;
507 }
508
509 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
510
511 urb->dev = data->udev;
512 urb->pipe = pipe;
513 urb->context = hdev;
514 urb->complete = btusb_isoc_complete;
515 urb->interval = data->isoc_rx_ep->bInterval;
516
517 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
518 urb->transfer_buffer = buf;
519 urb->transfer_buffer_length = size;
520
521 __fill_isoc_descriptor(urb, size,
522 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
523
524 usb_anchor_urb(urb, &data->isoc_anchor);
525
2eda66f4 526 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 527 if (err < 0) {
d4b8d1c9
PB		 528 if (err != -EPERM && err != -ENODEV)
529 BT_ERR("%s urb %p submission failed (%d)",
9bfa35fe
MH		 530 hdev->name, urb, -err);
531 usb_unanchor_urb(urb);
9bfa35fe
MH		 532 }
533
534 usb_free_urb(urb);
535
536 return err;
537}
538
5e23b923 539static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 540{
541 struct sk_buff *skb = urb->context;
542 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
543 struct btusb_data *data = hdev->driver_data;
544
545 BT_DBG("%s urb %p status %d count %d", hdev->name,
546 urb, urb->status, urb->actual_length);
547
548 if (!test_bit(HCI_RUNNING, &hdev->flags))
549 goto done;
550
551 if (!urb->status)
552 hdev->stat.byte_tx += urb->transfer_buffer_length;
553 else
554 hdev->stat.err_tx++;
555
556done:
557 spin_lock(&data->txlock);
558 data->tx_in_flight--;
559 spin_unlock(&data->txlock);
560
561 kfree(urb->setup_packet);
562
563 kfree_skb(skb);
564}
565
566static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 567{
568 struct sk_buff *skb = urb->context;
569 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
570
571 BT_DBG("%s urb %p status %d count %d", hdev->name,
572 urb, urb->status, urb->actual_length);
573
574 if (!test_bit(HCI_RUNNING, &hdev->flags))
575 goto done;
576
577 if (!urb->status)
578 hdev->stat.byte_tx += urb->transfer_buffer_length;
579 else
580 hdev->stat.err_tx++;
581
582done:
583 kfree(urb->setup_packet);
584
585 kfree_skb(skb);
586}
587
588static int btusb_open(struct hci_dev *hdev)
589{
590 struct btusb_data *data = hdev->driver_data;
591 int err;
592
593 BT_DBG("%s", hdev->name);
594
7bee549e
ON		 595 err = usb_autopm_get_interface(data->intf);
596 if (err < 0)
597 return err;
598
599 data->intf->needs_remote_wakeup = 1;
600
5e23b923 601 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
7bee549e 602 goto done;
5e23b923
MH		 603
604 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 605 goto done;
5e23b923 606
2eda66f4 607 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 608 if (err < 0)
609 goto failed;
610
611 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 612 if (err < 0) {
43c2e57f
MH		 613 usb_kill_anchored_urbs(&data->intr_anchor);
614 goto failed;
5e23b923
MH		 615 }
616
43c2e57f
MH		 617 set_bit(BTUSB_BULK_RUNNING, &data->flags);
618 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
619
7bee549e
ON		 620done:
621 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 622 return 0;
623
624failed:
625 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
626 clear_bit(HCI_RUNNING, &hdev->flags);
7bee549e 627 usb_autopm_put_interface(data->intf);
5e23b923
MH		 628 return err;
629}
630
7bee549e
ON		 631static void btusb_stop_traffic(struct btusb_data *data)
632{
633 usb_kill_anchored_urbs(&data->intr_anchor);
634 usb_kill_anchored_urbs(&data->bulk_anchor);
635 usb_kill_anchored_urbs(&data->isoc_anchor);
636}
637
5e23b923
MH		 638static int btusb_close(struct hci_dev *hdev)
639{
640 struct btusb_data *data = hdev->driver_data;
7bee549e 641 int err;
5e23b923
MH		 642
643 BT_DBG("%s", hdev->name);
644
645 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
646 return 0;
647
e8c3c3d2 648 cancel_work_sync(&data->work);
404291ac 649 cancel_work_sync(&data->waker);
e8c3c3d2 650
9bfa35fe 651 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 652 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 653 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e
ON		 654
655 btusb_stop_traffic(data);
656 err = usb_autopm_get_interface(data->intf);
657 if (err < 0)
7b8e2c1d 658 goto failed;
7bee549e
ON		 659
660 data->intf->needs_remote_wakeup = 0;
661 usb_autopm_put_interface(data->intf);
5e23b923 662
7b8e2c1d
ON		 663failed:
664 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 665 return 0;
666}
667
668static int btusb_flush(struct hci_dev *hdev)
669{
670 struct btusb_data *data = hdev->driver_data;
671
672 BT_DBG("%s", hdev->name);
673
674 usb_kill_anchored_urbs(&data->tx_anchor);
675
676 return 0;
677}
678
679static int btusb_send_frame(struct sk_buff *skb)
680{
681 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
682 struct btusb_data *data = hdev->driver_data;
683 struct usb_ctrlrequest *dr;
684 struct urb *urb;
685 unsigned int pipe;
686 int err;
687
688 BT_DBG("%s", hdev->name);
689
690 if (!test_bit(HCI_RUNNING, &hdev->flags))
691 return -EBUSY;
692
693 switch (bt_cb(skb)->pkt_type) {
694 case HCI_COMMAND_PKT:
695 urb = usb_alloc_urb(0, GFP_ATOMIC);
696 if (!urb)
697 return -ENOMEM;
698
699 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
700 if (!dr) {
701 usb_free_urb(urb);
702 return -ENOMEM;
703 }
704
7a9d4020 705 dr->bRequestType = data->cmdreq_type;
5e23b923
MH		 706 dr->bRequest = 0;
707 dr->wIndex = 0;
708 dr->wValue = 0;
709 dr->wLength = __cpu_to_le16(skb->len);
710
711 pipe = usb_sndctrlpipe(data->udev, 0x00);
712
713 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
714 skb->data, skb->len, btusb_tx_complete, skb);
715
716 hdev->stat.cmd_tx++;
717 break;
718
719 case HCI_ACLDATA_PKT:
9fd481e0 720 if (!data->bulk_tx_ep)
9bfa35fe
MH		 721 return -ENODEV;
722
5e23b923
MH		 723 urb = usb_alloc_urb(0, GFP_ATOMIC);
724 if (!urb)
725 return -ENOMEM;
726
727 pipe = usb_sndbulkpipe(data->udev,
728 data->bulk_tx_ep->bEndpointAddress);
729
730 usb_fill_bulk_urb(urb, data->udev, pipe,
731 skb->data, skb->len, btusb_tx_complete, skb);
732
b8aabfc9
LAD		 733 if (skb->priority >= HCI_PRIO_MAX - 1)
734 urb->transfer_flags = URB_ISO_ASAP;
735
5e23b923
MH		 736 hdev->stat.acl_tx++;
737 break;
738
739 case HCI_SCODATA_PKT:
9bfa35fe
MH		 740 if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
741 return -ENODEV;
742
743 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
744 if (!urb)
745 return -ENOMEM;
746
747 pipe = usb_sndisocpipe(data->udev,
748 data->isoc_tx_ep->bEndpointAddress);
749
03c2d0e8
GP		 750 usb_fill_int_urb(urb, data->udev, pipe,
751 skb->data, skb->len, btusb_isoc_tx_complete,
752 skb, data->isoc_tx_ep->bInterval);
9bfa35fe
MH		 753
754 urb->transfer_flags = URB_ISO_ASAP;
9bfa35fe
MH		 755
756 __fill_isoc_descriptor(urb, skb->len,
757 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
758
5e23b923 759 hdev->stat.sco_tx++;
7bee549e 760 goto skip_waking;
5e23b923
MH		 761
762 default:
763 return -EILSEQ;
764 }
765
7bee549e
ON		 766 err = inc_tx(data);
767 if (err) {
768 usb_anchor_urb(urb, &data->deferred);
769 schedule_work(&data->waker);
770 err = 0;
771 goto done;
772 }
773
774skip_waking:
5e23b923
MH		 775 usb_anchor_urb(urb, &data->tx_anchor);
776
777 err = usb_submit_urb(urb, GFP_ATOMIC);
778 if (err < 0) {
5a9b80e2
PB		 779 if (err != -EPERM && err != -ENODEV)
780 BT_ERR("%s urb %p submission failed (%d)",
781 hdev->name, urb, -err);
5e23b923
MH		 782 kfree(urb->setup_packet);
783 usb_unanchor_urb(urb);
7bee549e
ON		 784 } else {
785 usb_mark_last_busy(data->udev);
5e23b923
MH		 786 }
787
7bee549e 788done:
54a8a79c 789 usb_free_urb(urb);
5e23b923
MH		 790 return err;
791}
792
793static void btusb_destruct(struct hci_dev *hdev)
794{
795 struct btusb_data *data = hdev->driver_data;
796
797 BT_DBG("%s", hdev->name);
798
799 kfree(data);
800}
801
802static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
803{
804 struct btusb_data *data = hdev->driver_data;
805
806 BT_DBG("%s evt %d", hdev->name, evt);
807
43c2e57f
MH		 808 if (hdev->conn_hash.sco_num != data->sco_num) {
809 data->sco_num = hdev->conn_hash.sco_num;
810 schedule_work(&data->work);
a780efa8 811 }
5e23b923
MH		 812}
813
42b16b3f 814static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe
MH		 815{
816 struct btusb_data *data = hdev->driver_data;
817 struct usb_interface *intf = data->isoc;
818 struct usb_endpoint_descriptor *ep_desc;
819 int i, err;
820
821 if (!data->isoc)
822 return -ENODEV;
823
824 err = usb_set_interface(data->udev, 1, altsetting);
825 if (err < 0) {
826 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
827 return err;
828 }
829
830 data->isoc_altsetting = altsetting;
831
832 data->isoc_tx_ep = NULL;
833 data->isoc_rx_ep = NULL;
834
835 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
836 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
837
838 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
839 data->isoc_tx_ep = ep_desc;
840 continue;
841 }
842
843 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
844 data->isoc_rx_ep = ep_desc;
845 continue;
846 }
847 }
848
849 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
850 BT_ERR("%s invalid SCO descriptors", hdev->name);
851 return -ENODEV;
852 }
853
854 return 0;
855}
856
5e23b923
MH		 857static void btusb_work(struct work_struct *work)
858{
859 struct btusb_data *data = container_of(work, struct btusb_data, work);
860 struct hci_dev *hdev = data->hdev;
7bee549e 861 int err;
5e23b923 862
9bfa35fe 863 if (hdev->conn_hash.sco_num > 0) {
08b8b6c4 864 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 865 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 866 if (err < 0) {
867 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
868 usb_kill_anchored_urbs(&data->isoc_anchor);
869 return;
870 }
871
08b8b6c4 872 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 873 }
9bfa35fe
MH		 874 if (data->isoc_altsetting != 2) {
875 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
876 usb_kill_anchored_urbs(&data->isoc_anchor);
877
878 if (__set_isoc_interface(hdev, 2) < 0)
879 return;
880 }
881
882 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 883 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 884 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
885 else
2eda66f4 886 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 887 }
888 } else {
889 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
890 usb_kill_anchored_urbs(&data->isoc_anchor);
891
892 __set_isoc_interface(hdev, 0);
08b8b6c4 893 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 894 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 895 }
896}
897
7bee549e
ON		 898static void btusb_waker(struct work_struct *work)
899{
900 struct btusb_data *data = container_of(work, struct btusb_data, waker);
901 int err;
902
903 err = usb_autopm_get_interface(data->intf);
904 if (err < 0)
905 return;
906
907 usb_autopm_put_interface(data->intf);
908}
909
5e23b923
MH		 910static int btusb_probe(struct usb_interface *intf,
911 const struct usb_device_id *id)
912{
913 struct usb_endpoint_descriptor *ep_desc;
914 struct btusb_data *data;
915 struct hci_dev *hdev;
916 int i, err;
917
918 BT_DBG("intf %p id %p", intf, id);
919
cfeb4145 920 /* interface numbers are hardcoded in the spec */
5e23b923
MH		 921 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
922 return -ENODEV;
923
924 if (!id->driver_info) {
925 const struct usb_device_id *match;
926 match = usb_match_id(intf, blacklist_table);
927 if (match)
928 id = match;
929 }
930
cfeb4145
MH		 931 if (id->driver_info == BTUSB_IGNORE)
932 return -ENODEV;
933
934 if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
935 return -ENODEV;
936
937 if (ignore_csr && id->driver_info & BTUSB_CSR)
938 return -ENODEV;
939
940 if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
941 return -ENODEV;
942
2d25f8b4
SL		 943 if (id->driver_info & BTUSB_ATH3012) {
944 struct usb_device *udev = interface_to_usbdev(intf);
945
946 /* Old firmware would otherwise let ath3k driver load
947 * patch and sysconfig files */
948 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
949 return -ENODEV;
950 }
951
5e23b923
MH		 952 data = kzalloc(sizeof(*data), GFP_KERNEL);
953 if (!data)
954 return -ENOMEM;
955
956 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
957 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
958
959 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
960 data->intr_ep = ep_desc;
961 continue;
962 }
963
964 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
965 data->bulk_tx_ep = ep_desc;
966 continue;
967 }
968
969 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
970 data->bulk_rx_ep = ep_desc;
971 continue;
972 }
973 }
974
975 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
976 kfree(data);
977 return -ENODEV;
978 }
979
7a9d4020
MH		 980 data->cmdreq_type = USB_TYPE_CLASS;
981
5e23b923 982 data->udev = interface_to_usbdev(intf);
5fbcd260 983 data->intf = intf;
5e23b923
MH		 984
985 spin_lock_init(&data->lock);
986
987 INIT_WORK(&data->work, btusb_work);
7bee549e
ON		 988 INIT_WORK(&data->waker, btusb_waker);
989 spin_lock_init(&data->txlock);
5e23b923
MH		 990
991 init_usb_anchor(&data->tx_anchor);
992 init_usb_anchor(&data->intr_anchor);
993 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 994 init_usb_anchor(&data->isoc_anchor);
7bee549e 995 init_usb_anchor(&data->deferred);
5e23b923
MH		 996
997 hdev = hci_alloc_dev();
998 if (!hdev) {
999 kfree(data);
1000 return -ENOMEM;
1001 }
1002
c13854ce 1003 hdev->bus = HCI_USB;
5e23b923
MH		 1004 hdev->driver_data = data;
1005
1006 data->hdev = hdev;
1007
1008 SET_HCIDEV_DEV(hdev, &intf->dev);
1009
1010 hdev->open = btusb_open;
1011 hdev->close = btusb_close;
1012 hdev->flush = btusb_flush;
1013 hdev->send = btusb_send_frame;
1014 hdev->destruct = btusb_destruct;
1015 hdev->notify = btusb_notify;
1016
1017 hdev->owner = THIS_MODULE;
1018
7a9d4020 1019 /* Interface numbers are hardcoded in the specification */
9bfa35fe
MH		 1020 data->isoc = usb_ifnum_to_if(data->udev, 1);
1021
7a9d4020
MH		 1022 if (!reset)
1023 set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
cfeb4145
MH		 1024
1025 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1026 if (!disable_scofix)
1027 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1028 }
1029
9bfa35fe
MH		 1030 if (id->driver_info & BTUSB_BROKEN_ISOC)
1031 data->isoc = NULL;
1032
7a9d4020
MH		 1033 if (id->driver_info & BTUSB_DIGIANSWER) {
1034 data->cmdreq_type = USB_TYPE_VENDOR;
1035 set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
1036 }
1037
1038 if (id->driver_info & BTUSB_CSR) {
1039 struct usb_device *udev = data->udev;
1040
1041 /* Old firmware would otherwise execute USB reset */
1042 if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
1043 set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks);
1044 }
1045
cfeb4145 1046 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 1047 struct usb_device *udev = data->udev;
cfeb4145 1048
7a9d4020 1049 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 1050 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1051 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
9bfa35fe
MH		 1052
1053 data->isoc = NULL;
cfeb4145
MH		 1054 }
1055
1056 if (id->driver_info & BTUSB_BCM92035) {
1057 unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 };
1058 struct sk_buff *skb;
1059
1060 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
1061 if (skb) {
1062 memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
1063 skb_queue_tail(&hdev->driver_init, skb);
1064 }
1065 }
5e23b923 1066
9bfa35fe
MH		 1067 if (data->isoc) {
1068 err = usb_driver_claim_interface(&btusb_driver,
5fbcd260 1069 data->isoc, data);
9bfa35fe
MH		 1070 if (err < 0) {
1071 hci_free_dev(hdev);
1072 kfree(data);
1073 return err;
1074 }
1075 }
1076
5e23b923
MH		 1077 err = hci_register_dev(hdev);
1078 if (err < 0) {
1079 hci_free_dev(hdev);
1080 kfree(data);
1081 return err;
1082 }
1083
1084 usb_set_intfdata(intf, data);
1085
1086 return 0;
1087}
1088
1089static void btusb_disconnect(struct usb_interface *intf)
1090{
1091 struct btusb_data *data = usb_get_intfdata(intf);
1092 struct hci_dev *hdev;
1093
1094 BT_DBG("intf %p", intf);
1095
1096 if (!data)
1097 return;
1098
1099 hdev = data->hdev;
1100
5fbcd260 1101 __hci_dev_hold(hdev);
9bfa35fe 1102
5fbcd260
MH		 1103 usb_set_intfdata(data->intf, NULL);
1104
1105 if (data->isoc)
1106 usb_set_intfdata(data->isoc, NULL);
5e23b923
MH		 1107
1108 hci_unregister_dev(hdev);
1109
5fbcd260
MH		 1110 if (intf == data->isoc)
1111 usb_driver_release_interface(&btusb_driver, data->intf);
1112 else if (data->isoc)
1113 usb_driver_release_interface(&btusb_driver, data->isoc);
1114
1115 __hci_dev_put(hdev);
1116
5e23b923
MH		 1117 hci_free_dev(hdev);
1118}
1119
7bee549e 1120#ifdef CONFIG_PM
6a88adf2
MH		 1121static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1122{
1123 struct btusb_data *data = usb_get_intfdata(intf);
1124
1125 BT_DBG("intf %p", intf);
1126
1127 if (data->suspend_count++)
1128 return 0;
1129
7bee549e 1130 spin_lock_irq(&data->txlock);
5b1b0b81 1131 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 1132 set_bit(BTUSB_SUSPENDING, &data->flags);
1133 spin_unlock_irq(&data->txlock);
1134 } else {
1135 spin_unlock_irq(&data->txlock);
1136 data->suspend_count--;
1137 return -EBUSY;
1138 }
1139
6a88adf2
MH		 1140 cancel_work_sync(&data->work);
1141
7bee549e 1142 btusb_stop_traffic(data);
6a88adf2
MH		 1143 usb_kill_anchored_urbs(&data->tx_anchor);
1144
6a88adf2
MH		 1145 return 0;
1146}
1147
7bee549e
ON		 1148static void play_deferred(struct btusb_data *data)
1149{
1150 struct urb *urb;
1151 int err;
1152
1153 while ((urb = usb_get_from_anchor(&data->deferred))) {
1154 err = usb_submit_urb(urb, GFP_ATOMIC);
1155 if (err < 0)
1156 break;
1157
1158 data->tx_in_flight++;
1159 }
1160 usb_scuttle_anchored_urbs(&data->deferred);
1161}
1162
6a88adf2
MH		 1163static int btusb_resume(struct usb_interface *intf)
1164{
1165 struct btusb_data *data = usb_get_intfdata(intf);
1166 struct hci_dev *hdev = data->hdev;
7bee549e 1167 int err = 0;
6a88adf2
MH		 1168
1169 BT_DBG("intf %p", intf);
1170
1171 if (--data->suspend_count)
1172 return 0;
1173
1174 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 1175 goto done;
6a88adf2
MH		 1176
1177 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1178 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1179 if (err < 0) {
1180 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1181 goto failed;
6a88adf2
MH		 1182 }
1183 }
1184
1185 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 1186 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1187 if (err < 0) {
6a88adf2 1188 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 1189 goto failed;
1190 }
1191
1192 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 1193 }
1194
1195 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1196 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1197 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1198 else
1199 btusb_submit_isoc_urb(hdev, GFP_NOIO);
1200 }
1201
7bee549e
ON		 1202 spin_lock_irq(&data->txlock);
1203 play_deferred(data);
1204 clear_bit(BTUSB_SUSPENDING, &data->flags);
1205 spin_unlock_irq(&data->txlock);
1206 schedule_work(&data->work);
1207
6a88adf2 1208 return 0;
7bee549e
ON		 1209
1210failed:
1211 usb_scuttle_anchored_urbs(&data->deferred);
1212done:
1213 spin_lock_irq(&data->txlock);
1214 clear_bit(BTUSB_SUSPENDING, &data->flags);
1215 spin_unlock_irq(&data->txlock);
1216
1217 return err;
6a88adf2 1218}
7bee549e 1219#endif
6a88adf2 1220
5e23b923
MH		 1221static struct usb_driver btusb_driver = {
1222 .name = "btusb",
1223 .probe = btusb_probe,
1224 .disconnect = btusb_disconnect,
7bee549e 1225#ifdef CONFIG_PM
6a88adf2
MH		 1226 .suspend = btusb_suspend,
1227 .resume = btusb_resume,
7bee549e 1228#endif
5e23b923 1229 .id_table = btusb_table,
7bee549e 1230 .supports_autosuspend = 1,
5e23b923
MH		 1231};
1232
1233static int __init btusb_init(void)
1234{
1235 BT_INFO("Generic Bluetooth USB driver ver %s", VERSION);
1236
1237 return usb_register(&btusb_driver);
1238}
1239
1240static void __exit btusb_exit(void)
1241{
1242 usb_deregister(&btusb_driver);
1243}
1244
1245module_init(btusb_init);
1246module_exit(btusb_exit);
1247
cfeb4145
MH		 1248module_param(ignore_dga, bool, 0644);
1249MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1250
1251module_param(ignore_csr, bool, 0644);
1252MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1253
1254module_param(ignore_sniffer, bool, 0644);
1255MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1256
1257module_param(disable_scofix, bool, 0644);
1258MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1259
1260module_param(force_scofix, bool, 0644);
1261MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1262
1263module_param(reset, bool, 0644);
1264MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1265
5e23b923
MH		 1266MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1267MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1268MODULE_VERSION(VERSION);
1269MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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