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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
5 | * Copyright (C) 2005-2007 Marcel Holtmann <marcel@holtmann.org> | |
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 | ||
38 | //#define CONFIG_BT_HCIBTUSB_DEBUG | |
39 | #ifndef CONFIG_BT_HCIBTUSB_DEBUG | |
40 | #undef BT_DBG | |
41 | #define BT_DBG(D...) | |
42 | #endif | |
43 | ||
cfeb4145 MH |
44 | #define VERSION "0.2" |
45 | ||
46 | static int ignore_dga; | |
47 | static int ignore_csr; | |
48 | static int ignore_sniffer; | |
49 | static int disable_scofix; | |
50 | static int force_scofix; | |
51 | static int reset; | |
52 | ||
53 | static struct usb_driver btusb_driver; | |
54 | ||
55 | #define BTUSB_IGNORE 0x01 | |
56 | #define BTUSB_RESET 0x02 | |
57 | #define BTUSB_DIGIANSWER 0x04 | |
58 | #define BTUSB_CSR 0x08 | |
59 | #define BTUSB_SNIFFER 0x10 | |
60 | #define BTUSB_BCM92035 0x20 | |
61 | #define BTUSB_BROKEN_ISOC 0x40 | |
62 | #define BTUSB_WRONG_SCO_MTU 0x80 | |
5e23b923 MH |
63 | |
64 | static struct usb_device_id btusb_table[] = { | |
65 | /* Generic Bluetooth USB device */ | |
66 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
67 | ||
cfeb4145 MH |
68 | /* AVM BlueFRITZ! USB v2.0 */ |
69 | { USB_DEVICE(0x057c, 0x3800) }, | |
70 | ||
71 | /* Bluetooth Ultraport Module from IBM */ | |
72 | { USB_DEVICE(0x04bf, 0x030a) }, | |
73 | ||
74 | /* ALPS Modules with non-standard id */ | |
75 | { USB_DEVICE(0x044e, 0x3001) }, | |
76 | { USB_DEVICE(0x044e, 0x3002) }, | |
77 | ||
78 | /* Ericsson with non-standard id */ | |
79 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
80 | ||
81 | /* Canyon CN-BTU1 with HID interfaces */ | |
82 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_RESET }, | |
83 | ||
5e23b923 MH |
84 | { } /* Terminating entry */ |
85 | }; | |
86 | ||
87 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
88 | ||
89 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
90 | /* CSR BlueCore devices */ |
91 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
92 | ||
93 | /* Broadcom BCM2033 without firmware */ | |
94 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
95 | ||
96 | /* Broadcom BCM2035 */ | |
97 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
98 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
99 | ||
100 | /* Broadcom BCM2045 */ | |
101 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
102 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
103 | ||
104 | /* Broadcom BCM2046 */ | |
105 | { USB_DEVICE(0x0a5c, 0x2151), .driver_info = BTUSB_RESET }, | |
106 | ||
107 | /* IBM/Lenovo ThinkPad with Broadcom chip */ | |
108 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
109 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
110 | ||
111 | /* Targus ACB10US */ | |
112 | { USB_DEVICE(0x0a5c, 0x2100), .driver_info = BTUSB_RESET }, | |
113 | ||
114 | /* ANYCOM Bluetooth USB-200 and USB-250 */ | |
115 | { USB_DEVICE(0x0a5c, 0x2111), .driver_info = BTUSB_RESET }, | |
116 | ||
117 | /* HP laptop with Broadcom chip */ | |
118 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
119 | ||
120 | /* Dell laptop with Broadcom chip */ | |
121 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
122 | ||
123 | /* Dell Wireless 370 */ | |
124 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
125 | ||
126 | /* Dell Wireless 410 */ | |
127 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
128 | ||
129 | /* Microsoft Wireless Transceiver for Bluetooth 2.0 */ | |
130 | { USB_DEVICE(0x045e, 0x009c), .driver_info = BTUSB_RESET }, | |
131 | ||
132 | /* Kensington Bluetooth USB adapter */ | |
133 | { USB_DEVICE(0x047d, 0x105d), .driver_info = BTUSB_RESET }, | |
134 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
135 | ||
136 | /* ISSC Bluetooth Adapter v3.1 */ | |
137 | { USB_DEVICE(0x1131, 0x1001), .driver_info = BTUSB_RESET }, | |
138 | ||
139 | /* RTX Telecom based adapters with buggy SCO support */ | |
140 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
141 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
142 | ||
143 | /* CONWISE Technology based adapters with buggy SCO support */ | |
144 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
145 | ||
146 | /* Belkin F8T012 and F8T013 devices */ | |
147 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
148 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_RESET | BTUSB_WRONG_SCO_MTU }, | |
149 | ||
150 | /* Digianswer devices */ | |
151 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
152 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
153 | ||
154 | /* CSR BlueCore Bluetooth Sniffer */ | |
155 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
156 | ||
157 | /* Frontline ComProbe Bluetooth Sniffer */ | |
158 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
159 | ||
5e23b923 MH |
160 | { } /* Terminating entry */ |
161 | }; | |
162 | ||
163 | #define BTUSB_INTR_RUNNING 0 | |
164 | #define BTUSB_BULK_RUNNING 1 | |
165 | ||
166 | struct btusb_data { | |
167 | struct hci_dev *hdev; | |
168 | struct usb_device *udev; | |
169 | ||
170 | spinlock_t lock; | |
171 | ||
172 | unsigned long flags; | |
173 | ||
174 | struct work_struct work; | |
175 | ||
176 | struct usb_anchor tx_anchor; | |
177 | struct usb_anchor intr_anchor; | |
178 | struct usb_anchor bulk_anchor; | |
179 | ||
180 | struct usb_endpoint_descriptor *intr_ep; | |
181 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
182 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
183 | }; | |
184 | ||
185 | static void btusb_intr_complete(struct urb *urb) | |
186 | { | |
187 | struct hci_dev *hdev = urb->context; | |
188 | struct btusb_data *data = hdev->driver_data; | |
189 | int err; | |
190 | ||
191 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
192 | urb, urb->status, urb->actual_length); | |
193 | ||
194 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
195 | return; | |
196 | ||
197 | if (urb->status == 0) { | |
198 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, | |
199 | urb->transfer_buffer, | |
200 | urb->actual_length) < 0) { | |
201 | BT_ERR("%s corrupted event packet", hdev->name); | |
202 | hdev->stat.err_rx++; | |
203 | } | |
204 | } | |
205 | ||
206 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
207 | return; | |
208 | ||
209 | usb_anchor_urb(urb, &data->intr_anchor); | |
210 | ||
211 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
212 | if (err < 0) { | |
213 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
214 | hdev->name, urb, -err); | |
215 | usb_unanchor_urb(urb); | |
216 | } | |
217 | } | |
218 | ||
219 | static inline int btusb_submit_intr_urb(struct hci_dev *hdev) | |
220 | { | |
221 | struct btusb_data *data = hdev->driver_data; | |
222 | struct urb *urb; | |
223 | unsigned char *buf; | |
224 | unsigned int pipe; | |
225 | int err, size; | |
226 | ||
227 | BT_DBG("%s", hdev->name); | |
228 | ||
229 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
230 | if (!urb) | |
231 | return -ENOMEM; | |
232 | ||
233 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
234 | ||
235 | buf = kmalloc(size, GFP_ATOMIC); | |
236 | if (!buf) { | |
237 | usb_free_urb(urb); | |
238 | return -ENOMEM; | |
239 | } | |
240 | ||
241 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
242 | ||
243 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
244 | btusb_intr_complete, hdev, | |
245 | data->intr_ep->bInterval); | |
246 | ||
247 | urb->transfer_flags |= URB_FREE_BUFFER; | |
248 | ||
249 | usb_anchor_urb(urb, &data->intr_anchor); | |
250 | ||
251 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
252 | if (err < 0) { | |
253 | BT_ERR("%s urb %p submission failed (%d)", | |
254 | hdev->name, urb, -err); | |
255 | usb_unanchor_urb(urb); | |
256 | kfree(buf); | |
257 | } | |
258 | ||
259 | usb_free_urb(urb); | |
260 | ||
261 | return err; | |
262 | } | |
263 | ||
264 | static void btusb_bulk_complete(struct urb *urb) | |
265 | { | |
266 | struct hci_dev *hdev = urb->context; | |
267 | struct btusb_data *data = hdev->driver_data; | |
268 | int err; | |
269 | ||
270 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
271 | urb, urb->status, urb->actual_length); | |
272 | ||
273 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
274 | return; | |
275 | ||
276 | if (urb->status == 0) { | |
277 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, | |
278 | urb->transfer_buffer, | |
279 | urb->actual_length) < 0) { | |
280 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
281 | hdev->stat.err_rx++; | |
282 | } | |
283 | } | |
284 | ||
285 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
286 | return; | |
287 | ||
288 | usb_anchor_urb(urb, &data->bulk_anchor); | |
289 | ||
290 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
291 | if (err < 0) { | |
292 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
293 | hdev->name, urb, -err); | |
294 | usb_unanchor_urb(urb); | |
295 | } | |
296 | } | |
297 | ||
298 | static inline int btusb_submit_bulk_urb(struct hci_dev *hdev) | |
299 | { | |
300 | struct btusb_data *data = hdev->driver_data; | |
301 | struct urb *urb; | |
302 | unsigned char *buf; | |
303 | unsigned int pipe; | |
304 | int err, size; | |
305 | ||
306 | BT_DBG("%s", hdev->name); | |
307 | ||
308 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
309 | if (!urb) | |
310 | return -ENOMEM; | |
311 | ||
312 | size = le16_to_cpu(data->bulk_rx_ep->wMaxPacketSize); | |
313 | ||
314 | buf = kmalloc(size, GFP_KERNEL); | |
315 | if (!buf) { | |
316 | usb_free_urb(urb); | |
317 | return -ENOMEM; | |
318 | } | |
319 | ||
320 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
321 | ||
322 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
323 | buf, size, btusb_bulk_complete, hdev); | |
324 | ||
325 | urb->transfer_flags |= URB_FREE_BUFFER; | |
326 | ||
327 | usb_anchor_urb(urb, &data->bulk_anchor); | |
328 | ||
329 | err = usb_submit_urb(urb, GFP_KERNEL); | |
330 | if (err < 0) { | |
331 | BT_ERR("%s urb %p submission failed (%d)", | |
332 | hdev->name, urb, -err); | |
333 | usb_unanchor_urb(urb); | |
334 | kfree(buf); | |
335 | } | |
336 | ||
337 | usb_free_urb(urb); | |
338 | ||
339 | return err; | |
340 | } | |
341 | ||
342 | static void btusb_tx_complete(struct urb *urb) | |
343 | { | |
344 | struct sk_buff *skb = urb->context; | |
345 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
346 | ||
347 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
348 | urb, urb->status, urb->actual_length); | |
349 | ||
350 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
351 | goto done; | |
352 | ||
353 | if (!urb->status) | |
354 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
355 | else | |
356 | hdev->stat.err_tx++; | |
357 | ||
358 | done: | |
359 | kfree(urb->setup_packet); | |
360 | ||
361 | kfree_skb(skb); | |
362 | } | |
363 | ||
364 | static int btusb_open(struct hci_dev *hdev) | |
365 | { | |
366 | struct btusb_data *data = hdev->driver_data; | |
367 | int err; | |
368 | ||
369 | BT_DBG("%s", hdev->name); | |
370 | ||
371 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) | |
372 | return 0; | |
373 | ||
374 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
375 | return 0; | |
376 | ||
377 | err = btusb_submit_intr_urb(hdev); | |
378 | if (err < 0) { | |
379 | clear_bit(BTUSB_INTR_RUNNING, &hdev->flags); | |
380 | clear_bit(HCI_RUNNING, &hdev->flags); | |
381 | } | |
382 | ||
383 | return err; | |
384 | } | |
385 | ||
386 | static int btusb_close(struct hci_dev *hdev) | |
387 | { | |
388 | struct btusb_data *data = hdev->driver_data; | |
389 | ||
390 | BT_DBG("%s", hdev->name); | |
391 | ||
392 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
393 | return 0; | |
394 | ||
395 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); | |
396 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
397 | ||
398 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
399 | usb_kill_anchored_urbs(&data->intr_anchor); | |
400 | ||
401 | return 0; | |
402 | } | |
403 | ||
404 | static int btusb_flush(struct hci_dev *hdev) | |
405 | { | |
406 | struct btusb_data *data = hdev->driver_data; | |
407 | ||
408 | BT_DBG("%s", hdev->name); | |
409 | ||
410 | usb_kill_anchored_urbs(&data->tx_anchor); | |
411 | ||
412 | return 0; | |
413 | } | |
414 | ||
415 | static int btusb_send_frame(struct sk_buff *skb) | |
416 | { | |
417 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
418 | struct btusb_data *data = hdev->driver_data; | |
419 | struct usb_ctrlrequest *dr; | |
420 | struct urb *urb; | |
421 | unsigned int pipe; | |
422 | int err; | |
423 | ||
424 | BT_DBG("%s", hdev->name); | |
425 | ||
426 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
427 | return -EBUSY; | |
428 | ||
429 | switch (bt_cb(skb)->pkt_type) { | |
430 | case HCI_COMMAND_PKT: | |
431 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
432 | if (!urb) | |
433 | return -ENOMEM; | |
434 | ||
435 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
436 | if (!dr) { | |
437 | usb_free_urb(urb); | |
438 | return -ENOMEM; | |
439 | } | |
440 | ||
441 | dr->bRequestType = USB_TYPE_CLASS; | |
442 | dr->bRequest = 0; | |
443 | dr->wIndex = 0; | |
444 | dr->wValue = 0; | |
445 | dr->wLength = __cpu_to_le16(skb->len); | |
446 | ||
447 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
448 | ||
449 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
450 | skb->data, skb->len, btusb_tx_complete, skb); | |
451 | ||
452 | hdev->stat.cmd_tx++; | |
453 | break; | |
454 | ||
455 | case HCI_ACLDATA_PKT: | |
456 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
457 | if (!urb) | |
458 | return -ENOMEM; | |
459 | ||
460 | pipe = usb_sndbulkpipe(data->udev, | |
461 | data->bulk_tx_ep->bEndpointAddress); | |
462 | ||
463 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
464 | skb->data, skb->len, btusb_tx_complete, skb); | |
465 | ||
466 | hdev->stat.acl_tx++; | |
467 | break; | |
468 | ||
469 | case HCI_SCODATA_PKT: | |
470 | hdev->stat.sco_tx++; | |
471 | kfree_skb(skb); | |
472 | return 0; | |
473 | ||
474 | default: | |
475 | return -EILSEQ; | |
476 | } | |
477 | ||
478 | usb_anchor_urb(urb, &data->tx_anchor); | |
479 | ||
480 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
481 | if (err < 0) { | |
482 | BT_ERR("%s urb %p submission failed", hdev->name, urb); | |
483 | kfree(urb->setup_packet); | |
484 | usb_unanchor_urb(urb); | |
485 | } | |
486 | ||
487 | usb_free_urb(urb); | |
488 | ||
489 | return err; | |
490 | } | |
491 | ||
492 | static void btusb_destruct(struct hci_dev *hdev) | |
493 | { | |
494 | struct btusb_data *data = hdev->driver_data; | |
495 | ||
496 | BT_DBG("%s", hdev->name); | |
497 | ||
498 | kfree(data); | |
499 | } | |
500 | ||
501 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) | |
502 | { | |
503 | struct btusb_data *data = hdev->driver_data; | |
504 | ||
505 | BT_DBG("%s evt %d", hdev->name, evt); | |
506 | ||
507 | if (evt == HCI_NOTIFY_CONN_ADD || evt == HCI_NOTIFY_CONN_DEL) | |
508 | schedule_work(&data->work); | |
509 | } | |
510 | ||
511 | static void btusb_work(struct work_struct *work) | |
512 | { | |
513 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
514 | struct hci_dev *hdev = data->hdev; | |
515 | ||
516 | if (hdev->conn_hash.acl_num == 0) { | |
517 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); | |
518 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
519 | return; | |
520 | } | |
521 | ||
522 | if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
523 | if (btusb_submit_bulk_urb(hdev) < 0) | |
524 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); | |
525 | else | |
526 | btusb_submit_bulk_urb(hdev); | |
527 | } | |
528 | } | |
529 | ||
530 | static int btusb_probe(struct usb_interface *intf, | |
531 | const struct usb_device_id *id) | |
532 | { | |
533 | struct usb_endpoint_descriptor *ep_desc; | |
534 | struct btusb_data *data; | |
535 | struct hci_dev *hdev; | |
536 | int i, err; | |
537 | ||
538 | BT_DBG("intf %p id %p", intf, id); | |
539 | ||
cfeb4145 | 540 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
541 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
542 | return -ENODEV; | |
543 | ||
544 | if (!id->driver_info) { | |
545 | const struct usb_device_id *match; | |
546 | match = usb_match_id(intf, blacklist_table); | |
547 | if (match) | |
548 | id = match; | |
549 | } | |
550 | ||
cfeb4145 MH |
551 | if (id->driver_info == BTUSB_IGNORE) |
552 | return -ENODEV; | |
553 | ||
554 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
555 | return -ENODEV; | |
556 | ||
557 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
558 | return -ENODEV; | |
559 | ||
560 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
561 | return -ENODEV; | |
562 | ||
5e23b923 MH |
563 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
564 | if (!data) | |
565 | return -ENOMEM; | |
566 | ||
567 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
568 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
569 | ||
570 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
571 | data->intr_ep = ep_desc; | |
572 | continue; | |
573 | } | |
574 | ||
575 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
576 | data->bulk_tx_ep = ep_desc; | |
577 | continue; | |
578 | } | |
579 | ||
580 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
581 | data->bulk_rx_ep = ep_desc; | |
582 | continue; | |
583 | } | |
584 | } | |
585 | ||
586 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
587 | kfree(data); | |
588 | return -ENODEV; | |
589 | } | |
590 | ||
591 | data->udev = interface_to_usbdev(intf); | |
592 | ||
593 | spin_lock_init(&data->lock); | |
594 | ||
595 | INIT_WORK(&data->work, btusb_work); | |
596 | ||
597 | init_usb_anchor(&data->tx_anchor); | |
598 | init_usb_anchor(&data->intr_anchor); | |
599 | init_usb_anchor(&data->bulk_anchor); | |
600 | ||
601 | hdev = hci_alloc_dev(); | |
602 | if (!hdev) { | |
603 | kfree(data); | |
604 | return -ENOMEM; | |
605 | } | |
606 | ||
607 | hdev->type = HCI_USB; | |
608 | hdev->driver_data = data; | |
609 | ||
610 | data->hdev = hdev; | |
611 | ||
612 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
613 | ||
614 | hdev->open = btusb_open; | |
615 | hdev->close = btusb_close; | |
616 | hdev->flush = btusb_flush; | |
617 | hdev->send = btusb_send_frame; | |
618 | hdev->destruct = btusb_destruct; | |
619 | hdev->notify = btusb_notify; | |
620 | ||
621 | hdev->owner = THIS_MODULE; | |
622 | ||
cfeb4145 MH |
623 | if (reset || id->driver_info & BTUSB_RESET) |
624 | set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks); | |
625 | ||
626 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
627 | if (!disable_scofix) | |
628 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
629 | } | |
630 | ||
631 | if (id->driver_info & BTUSB_SNIFFER) { | |
632 | struct usb_device *udev = interface_to_usbdev(intf); | |
633 | ||
634 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) | |
635 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
636 | } | |
637 | ||
638 | if (id->driver_info & BTUSB_BCM92035) { | |
639 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
640 | struct sk_buff *skb; | |
641 | ||
642 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
643 | if (skb) { | |
644 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
645 | skb_queue_tail(&hdev->driver_init, skb); | |
646 | } | |
647 | } | |
5e23b923 MH |
648 | |
649 | err = hci_register_dev(hdev); | |
650 | if (err < 0) { | |
651 | hci_free_dev(hdev); | |
652 | kfree(data); | |
653 | return err; | |
654 | } | |
655 | ||
656 | usb_set_intfdata(intf, data); | |
657 | ||
658 | return 0; | |
659 | } | |
660 | ||
661 | static void btusb_disconnect(struct usb_interface *intf) | |
662 | { | |
663 | struct btusb_data *data = usb_get_intfdata(intf); | |
664 | struct hci_dev *hdev; | |
665 | ||
666 | BT_DBG("intf %p", intf); | |
667 | ||
668 | if (!data) | |
669 | return; | |
670 | ||
671 | hdev = data->hdev; | |
672 | ||
673 | usb_set_intfdata(intf, NULL); | |
674 | ||
675 | hci_unregister_dev(hdev); | |
676 | ||
677 | hci_free_dev(hdev); | |
678 | } | |
679 | ||
680 | static struct usb_driver btusb_driver = { | |
681 | .name = "btusb", | |
682 | .probe = btusb_probe, | |
683 | .disconnect = btusb_disconnect, | |
684 | .id_table = btusb_table, | |
685 | }; | |
686 | ||
687 | static int __init btusb_init(void) | |
688 | { | |
689 | BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); | |
690 | ||
691 | return usb_register(&btusb_driver); | |
692 | } | |
693 | ||
694 | static void __exit btusb_exit(void) | |
695 | { | |
696 | usb_deregister(&btusb_driver); | |
697 | } | |
698 | ||
699 | module_init(btusb_init); | |
700 | module_exit(btusb_exit); | |
701 | ||
cfeb4145 MH |
702 | module_param(ignore_dga, bool, 0644); |
703 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
704 | ||
705 | module_param(ignore_csr, bool, 0644); | |
706 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
707 | ||
708 | module_param(ignore_sniffer, bool, 0644); | |
709 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
710 | ||
711 | module_param(disable_scofix, bool, 0644); | |
712 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
713 | ||
714 | module_param(force_scofix, bool, 0644); | |
715 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
716 | ||
717 | module_param(reset, bool, 0644); | |
718 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
719 | ||
5e23b923 MH |
720 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
721 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
722 | MODULE_VERSION(VERSION); | |
723 | MODULE_LICENSE("GPL"); |