Commit | Line | Data |
---|---|---|
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 | |
40 | static int ignore_dga; | |
41 | static int ignore_csr; | |
42 | static int ignore_sniffer; | |
43 | static int disable_scofix; | |
44 | static int force_scofix; | |
7a9d4020 MH |
45 | |
46 | static int reset = 1; | |
cfeb4145 MH |
47 | |
48 | static 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 | |
5e23b923 MH |
57 | |
58 | static struct usb_device_id btusb_table[] = { | |
59 | /* Generic Bluetooth USB device */ | |
60 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
61 | ||
3cd01976 NI |
62 | /* Apple MacBookPro 7,1 */ |
63 | { USB_DEVICE(0x05ac, 0x8213) }, | |
64 | ||
0a79f674 CL |
65 | /* Apple iMac11,1 */ |
66 | { USB_DEVICE(0x05ac, 0x8215) }, | |
67 | ||
9c047157 NI |
68 | /* Apple MacBookPro6,2 */ |
69 | { USB_DEVICE(0x05ac, 0x8218) }, | |
70 | ||
3e3ede7d EH |
71 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
72 | { USB_DEVICE(0x05ac, 0x821b) }, | |
73 | ||
88d377b6 MAP |
74 | /* Apple MacBookPro8,2 */ |
75 | { USB_DEVICE(0x05ac, 0x821a) }, | |
76 | ||
cfeb4145 MH |
77 | /* AVM BlueFRITZ! USB v2.0 */ |
78 | { USB_DEVICE(0x057c, 0x3800) }, | |
79 | ||
80 | /* Bluetooth Ultraport Module from IBM */ | |
81 | { USB_DEVICE(0x04bf, 0x030a) }, | |
82 | ||
83 | /* ALPS Modules with non-standard id */ | |
84 | { USB_DEVICE(0x044e, 0x3001) }, | |
85 | { USB_DEVICE(0x044e, 0x3002) }, | |
86 | ||
87 | /* Ericsson with non-standard id */ | |
88 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
89 | ||
90 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 91 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 92 | |
5e23b923 MH |
93 | { } /* Terminating entry */ |
94 | }; | |
95 | ||
96 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
97 | ||
98 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
99 | /* CSR BlueCore devices */ |
100 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
101 | ||
102 | /* Broadcom BCM2033 without firmware */ | |
103 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
104 | ||
be93112a BS |
105 | /* Atheros 3011 with sflash firmware */ |
106 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 107 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 108 | |
509e7861 CYC |
109 | /* Atheros AR9285 Malbec with sflash firmware */ |
110 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
111 | ||
d9f51b51 BS |
112 | /* Atheros 3012 with sflash firmware */ |
113 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_IGNORE }, | |
114 | ||
e9036e33 CYC |
115 | /* Atheros AR5BBU12 with sflash firmware */ |
116 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
117 | ||
cfeb4145 | 118 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
119 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
120 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
121 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
122 | |
123 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
124 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
125 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 126 | |
cfeb4145 | 127 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
128 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
129 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
130 | |
131 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 132 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
133 | |
134 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 135 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 136 | |
5ddd4a60 | 137 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 138 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 139 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 140 | |
7a9d4020 MH |
141 | /* Belkin F8T012 and F8T013 devices */ |
142 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
143 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 144 | |
5ddd4a60 MH |
145 | /* Asus WL-BTD202 device */ |
146 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
147 | ||
148 | /* Kensington Bluetooth USB adapter */ | |
149 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
150 | ||
cfeb4145 MH |
151 | /* RTX Telecom based adapters with buggy SCO support */ |
152 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
153 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
154 | ||
155 | /* CONWISE Technology based adapters with buggy SCO support */ | |
156 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
157 | ||
cfeb4145 MH |
158 | /* Digianswer devices */ |
159 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
160 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
161 | ||
162 | /* CSR BlueCore Bluetooth Sniffer */ | |
163 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
164 | ||
165 | /* Frontline ComProbe Bluetooth Sniffer */ | |
166 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
167 | ||
5e23b923 MH |
168 | { } /* Terminating entry */ |
169 | }; | |
170 | ||
9bfa35fe MH |
171 | #define BTUSB_MAX_ISOC_FRAMES 10 |
172 | ||
5e23b923 MH |
173 | #define BTUSB_INTR_RUNNING 0 |
174 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 175 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 176 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 177 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
178 | |
179 | struct btusb_data { | |
180 | struct hci_dev *hdev; | |
181 | struct usb_device *udev; | |
5fbcd260 | 182 | struct usb_interface *intf; |
9bfa35fe | 183 | struct usb_interface *isoc; |
5e23b923 MH |
184 | |
185 | spinlock_t lock; | |
186 | ||
187 | unsigned long flags; | |
188 | ||
189 | struct work_struct work; | |
7bee549e | 190 | struct work_struct waker; |
5e23b923 MH |
191 | |
192 | struct usb_anchor tx_anchor; | |
193 | struct usb_anchor intr_anchor; | |
194 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 195 | struct usb_anchor isoc_anchor; |
7bee549e ON |
196 | struct usb_anchor deferred; |
197 | int tx_in_flight; | |
198 | spinlock_t txlock; | |
5e23b923 MH |
199 | |
200 | struct usb_endpoint_descriptor *intr_ep; | |
201 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
202 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
203 | struct usb_endpoint_descriptor *isoc_tx_ep; |
204 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
205 | ||
7a9d4020 MH |
206 | __u8 cmdreq_type; |
207 | ||
43c2e57f | 208 | unsigned int sco_num; |
9bfa35fe | 209 | int isoc_altsetting; |
6a88adf2 | 210 | int suspend_count; |
5e23b923 MH |
211 | }; |
212 | ||
7bee549e ON |
213 | static int inc_tx(struct btusb_data *data) |
214 | { | |
215 | unsigned long flags; | |
216 | int rv; | |
217 | ||
218 | spin_lock_irqsave(&data->txlock, flags); | |
219 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
220 | if (!rv) | |
221 | data->tx_in_flight++; | |
222 | spin_unlock_irqrestore(&data->txlock, flags); | |
223 | ||
224 | return rv; | |
225 | } | |
226 | ||
5e23b923 MH |
227 | static void btusb_intr_complete(struct urb *urb) |
228 | { | |
229 | struct hci_dev *hdev = urb->context; | |
230 | struct btusb_data *data = hdev->driver_data; | |
231 | int err; | |
232 | ||
233 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
234 | urb, urb->status, urb->actual_length); | |
235 | ||
236 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
237 | return; | |
238 | ||
239 | if (urb->status == 0) { | |
9bfa35fe MH |
240 | hdev->stat.byte_rx += urb->actual_length; |
241 | ||
5e23b923 MH |
242 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
243 | urb->transfer_buffer, | |
244 | urb->actual_length) < 0) { | |
245 | BT_ERR("%s corrupted event packet", hdev->name); | |
246 | hdev->stat.err_rx++; | |
247 | } | |
248 | } | |
249 | ||
250 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
251 | return; | |
252 | ||
7bee549e | 253 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
254 | usb_anchor_urb(urb, &data->intr_anchor); |
255 | ||
256 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
257 | if (err < 0) { | |
61faddf6 SS |
258 | if (err != -EPERM) |
259 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
5e23b923 MH |
260 | hdev->name, urb, -err); |
261 | usb_unanchor_urb(urb); | |
262 | } | |
263 | } | |
264 | ||
2eda66f4 | 265 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
266 | { |
267 | struct btusb_data *data = hdev->driver_data; | |
268 | struct urb *urb; | |
269 | unsigned char *buf; | |
270 | unsigned int pipe; | |
271 | int err, size; | |
272 | ||
273 | BT_DBG("%s", hdev->name); | |
274 | ||
9bfa35fe MH |
275 | if (!data->intr_ep) |
276 | return -ENODEV; | |
277 | ||
2eda66f4 | 278 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
279 | if (!urb) |
280 | return -ENOMEM; | |
281 | ||
282 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
283 | ||
2eda66f4 | 284 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
285 | if (!buf) { |
286 | usb_free_urb(urb); | |
287 | return -ENOMEM; | |
288 | } | |
289 | ||
290 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
291 | ||
292 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
293 | btusb_intr_complete, hdev, | |
294 | data->intr_ep->bInterval); | |
295 | ||
296 | urb->transfer_flags |= URB_FREE_BUFFER; | |
297 | ||
298 | usb_anchor_urb(urb, &data->intr_anchor); | |
299 | ||
2eda66f4 | 300 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
301 | if (err < 0) { |
302 | BT_ERR("%s urb %p submission failed (%d)", | |
303 | hdev->name, urb, -err); | |
304 | usb_unanchor_urb(urb); | |
5e23b923 MH |
305 | } |
306 | ||
307 | usb_free_urb(urb); | |
308 | ||
309 | return err; | |
310 | } | |
311 | ||
312 | static void btusb_bulk_complete(struct urb *urb) | |
313 | { | |
314 | struct hci_dev *hdev = urb->context; | |
315 | struct btusb_data *data = hdev->driver_data; | |
316 | int err; | |
317 | ||
318 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
319 | urb, urb->status, urb->actual_length); | |
320 | ||
321 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
322 | return; | |
323 | ||
324 | if (urb->status == 0) { | |
9bfa35fe MH |
325 | hdev->stat.byte_rx += urb->actual_length; |
326 | ||
5e23b923 MH |
327 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
328 | urb->transfer_buffer, | |
329 | urb->actual_length) < 0) { | |
330 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
331 | hdev->stat.err_rx++; | |
332 | } | |
333 | } | |
334 | ||
335 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
336 | return; | |
337 | ||
338 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 339 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
340 | |
341 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
342 | if (err < 0) { | |
61faddf6 SS |
343 | if (err != -EPERM) |
344 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
5e23b923 MH |
345 | hdev->name, urb, -err); |
346 | usb_unanchor_urb(urb); | |
347 | } | |
348 | } | |
349 | ||
2eda66f4 | 350 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
351 | { |
352 | struct btusb_data *data = hdev->driver_data; | |
353 | struct urb *urb; | |
354 | unsigned char *buf; | |
355 | unsigned int pipe; | |
290ba200 | 356 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
357 | |
358 | BT_DBG("%s", hdev->name); | |
359 | ||
9bfa35fe MH |
360 | if (!data->bulk_rx_ep) |
361 | return -ENODEV; | |
362 | ||
2eda66f4 | 363 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
364 | if (!urb) |
365 | return -ENOMEM; | |
366 | ||
2eda66f4 | 367 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
368 | if (!buf) { |
369 | usb_free_urb(urb); | |
370 | return -ENOMEM; | |
371 | } | |
372 | ||
373 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
374 | ||
375 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
376 | buf, size, btusb_bulk_complete, hdev); | |
377 | ||
378 | urb->transfer_flags |= URB_FREE_BUFFER; | |
379 | ||
7bee549e | 380 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
381 | usb_anchor_urb(urb, &data->bulk_anchor); |
382 | ||
2eda66f4 | 383 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
384 | if (err < 0) { |
385 | BT_ERR("%s urb %p submission failed (%d)", | |
386 | hdev->name, urb, -err); | |
387 | usb_unanchor_urb(urb); | |
5e23b923 MH |
388 | } |
389 | ||
390 | usb_free_urb(urb); | |
391 | ||
392 | return err; | |
393 | } | |
394 | ||
9bfa35fe MH |
395 | static void btusb_isoc_complete(struct urb *urb) |
396 | { | |
397 | struct hci_dev *hdev = urb->context; | |
398 | struct btusb_data *data = hdev->driver_data; | |
399 | int i, err; | |
400 | ||
401 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
402 | urb, urb->status, urb->actual_length); | |
403 | ||
404 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
405 | return; | |
406 | ||
407 | if (urb->status == 0) { | |
408 | for (i = 0; i < urb->number_of_packets; i++) { | |
409 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
410 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
411 | ||
412 | if (urb->iso_frame_desc[i].status) | |
413 | continue; | |
414 | ||
415 | hdev->stat.byte_rx += length; | |
416 | ||
417 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
418 | urb->transfer_buffer + offset, | |
419 | length) < 0) { | |
420 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
421 | hdev->stat.err_rx++; | |
422 | } | |
423 | } | |
424 | } | |
425 | ||
426 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
427 | return; | |
428 | ||
429 | usb_anchor_urb(urb, &data->isoc_anchor); | |
430 | ||
431 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
432 | if (err < 0) { | |
61faddf6 SS |
433 | if (err != -EPERM) |
434 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
9bfa35fe MH |
435 | hdev->name, urb, -err); |
436 | usb_unanchor_urb(urb); | |
437 | } | |
438 | } | |
439 | ||
42b16b3f | 440 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
441 | { |
442 | int i, offset = 0; | |
443 | ||
444 | BT_DBG("len %d mtu %d", len, mtu); | |
445 | ||
446 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
447 | i++, offset += mtu, len -= mtu) { | |
448 | urb->iso_frame_desc[i].offset = offset; | |
449 | urb->iso_frame_desc[i].length = mtu; | |
450 | } | |
451 | ||
452 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
453 | urb->iso_frame_desc[i].offset = offset; | |
454 | urb->iso_frame_desc[i].length = len; | |
455 | i++; | |
456 | } | |
457 | ||
458 | urb->number_of_packets = i; | |
459 | } | |
460 | ||
2eda66f4 | 461 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe MH |
462 | { |
463 | struct btusb_data *data = hdev->driver_data; | |
464 | struct urb *urb; | |
465 | unsigned char *buf; | |
466 | unsigned int pipe; | |
467 | int err, size; | |
468 | ||
469 | BT_DBG("%s", hdev->name); | |
470 | ||
471 | if (!data->isoc_rx_ep) | |
472 | return -ENODEV; | |
473 | ||
2eda66f4 | 474 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
475 | if (!urb) |
476 | return -ENOMEM; | |
477 | ||
478 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
479 | BTUSB_MAX_ISOC_FRAMES; | |
480 | ||
2eda66f4 | 481 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
482 | if (!buf) { |
483 | usb_free_urb(urb); | |
484 | return -ENOMEM; | |
485 | } | |
486 | ||
487 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
488 | ||
489 | urb->dev = data->udev; | |
490 | urb->pipe = pipe; | |
491 | urb->context = hdev; | |
492 | urb->complete = btusb_isoc_complete; | |
493 | urb->interval = data->isoc_rx_ep->bInterval; | |
494 | ||
495 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
496 | urb->transfer_buffer = buf; | |
497 | urb->transfer_buffer_length = size; | |
498 | ||
499 | __fill_isoc_descriptor(urb, size, | |
500 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
501 | ||
502 | usb_anchor_urb(urb, &data->isoc_anchor); | |
503 | ||
2eda66f4 | 504 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe MH |
505 | if (err < 0) { |
506 | BT_ERR("%s urb %p submission failed (%d)", | |
507 | hdev->name, urb, -err); | |
508 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
509 | } |
510 | ||
511 | usb_free_urb(urb); | |
512 | ||
513 | return err; | |
514 | } | |
515 | ||
5e23b923 | 516 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
517 | { |
518 | struct sk_buff *skb = urb->context; | |
519 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
520 | struct btusb_data *data = hdev->driver_data; | |
521 | ||
522 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
523 | urb, urb->status, urb->actual_length); | |
524 | ||
525 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
526 | goto done; | |
527 | ||
528 | if (!urb->status) | |
529 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
530 | else | |
531 | hdev->stat.err_tx++; | |
532 | ||
533 | done: | |
534 | spin_lock(&data->txlock); | |
535 | data->tx_in_flight--; | |
536 | spin_unlock(&data->txlock); | |
537 | ||
538 | kfree(urb->setup_packet); | |
539 | ||
540 | kfree_skb(skb); | |
541 | } | |
542 | ||
543 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
544 | { |
545 | struct sk_buff *skb = urb->context; | |
546 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
547 | ||
548 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
549 | urb, urb->status, urb->actual_length); | |
550 | ||
551 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
552 | goto done; | |
553 | ||
554 | if (!urb->status) | |
555 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
556 | else | |
557 | hdev->stat.err_tx++; | |
558 | ||
559 | done: | |
560 | kfree(urb->setup_packet); | |
561 | ||
562 | kfree_skb(skb); | |
563 | } | |
564 | ||
565 | static int btusb_open(struct hci_dev *hdev) | |
566 | { | |
567 | struct btusb_data *data = hdev->driver_data; | |
568 | int err; | |
569 | ||
570 | BT_DBG("%s", hdev->name); | |
571 | ||
7bee549e ON |
572 | err = usb_autopm_get_interface(data->intf); |
573 | if (err < 0) | |
574 | return err; | |
575 | ||
576 | data->intf->needs_remote_wakeup = 1; | |
577 | ||
5e23b923 | 578 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 579 | goto done; |
5e23b923 MH |
580 | |
581 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 582 | goto done; |
5e23b923 | 583 | |
2eda66f4 | 584 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
585 | if (err < 0) |
586 | goto failed; | |
587 | ||
588 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 589 | if (err < 0) { |
43c2e57f MH |
590 | usb_kill_anchored_urbs(&data->intr_anchor); |
591 | goto failed; | |
5e23b923 MH |
592 | } |
593 | ||
43c2e57f MH |
594 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
595 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
596 | ||
7bee549e ON |
597 | done: |
598 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
599 | return 0; |
600 | ||
601 | failed: | |
602 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
603 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 604 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
605 | return err; |
606 | } | |
607 | ||
7bee549e ON |
608 | static void btusb_stop_traffic(struct btusb_data *data) |
609 | { | |
610 | usb_kill_anchored_urbs(&data->intr_anchor); | |
611 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
612 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
613 | } | |
614 | ||
5e23b923 MH |
615 | static int btusb_close(struct hci_dev *hdev) |
616 | { | |
617 | struct btusb_data *data = hdev->driver_data; | |
7bee549e | 618 | int err; |
5e23b923 MH |
619 | |
620 | BT_DBG("%s", hdev->name); | |
621 | ||
622 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
623 | return 0; | |
624 | ||
e8c3c3d2 | 625 | cancel_work_sync(&data->work); |
404291ac | 626 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 627 | |
9bfa35fe | 628 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 629 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 630 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
631 | |
632 | btusb_stop_traffic(data); | |
633 | err = usb_autopm_get_interface(data->intf); | |
634 | if (err < 0) | |
7b8e2c1d | 635 | goto failed; |
7bee549e ON |
636 | |
637 | data->intf->needs_remote_wakeup = 0; | |
638 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 639 | |
7b8e2c1d ON |
640 | failed: |
641 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
642 | return 0; |
643 | } | |
644 | ||
645 | static int btusb_flush(struct hci_dev *hdev) | |
646 | { | |
647 | struct btusb_data *data = hdev->driver_data; | |
648 | ||
649 | BT_DBG("%s", hdev->name); | |
650 | ||
651 | usb_kill_anchored_urbs(&data->tx_anchor); | |
652 | ||
653 | return 0; | |
654 | } | |
655 | ||
656 | static int btusb_send_frame(struct sk_buff *skb) | |
657 | { | |
658 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
659 | struct btusb_data *data = hdev->driver_data; | |
660 | struct usb_ctrlrequest *dr; | |
661 | struct urb *urb; | |
662 | unsigned int pipe; | |
663 | int err; | |
664 | ||
665 | BT_DBG("%s", hdev->name); | |
666 | ||
667 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
668 | return -EBUSY; | |
669 | ||
670 | switch (bt_cb(skb)->pkt_type) { | |
671 | case HCI_COMMAND_PKT: | |
672 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
673 | if (!urb) | |
674 | return -ENOMEM; | |
675 | ||
676 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
677 | if (!dr) { | |
678 | usb_free_urb(urb); | |
679 | return -ENOMEM; | |
680 | } | |
681 | ||
7a9d4020 | 682 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
683 | dr->bRequest = 0; |
684 | dr->wIndex = 0; | |
685 | dr->wValue = 0; | |
686 | dr->wLength = __cpu_to_le16(skb->len); | |
687 | ||
688 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
689 | ||
690 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
691 | skb->data, skb->len, btusb_tx_complete, skb); | |
692 | ||
693 | hdev->stat.cmd_tx++; | |
694 | break; | |
695 | ||
696 | case HCI_ACLDATA_PKT: | |
8693ac90 VCG |
697 | if (!data->bulk_tx_ep || (hdev->conn_hash.acl_num < 1 && |
698 | hdev->conn_hash.le_num < 1)) | |
9bfa35fe MH |
699 | return -ENODEV; |
700 | ||
5e23b923 MH |
701 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
702 | if (!urb) | |
703 | return -ENOMEM; | |
704 | ||
705 | pipe = usb_sndbulkpipe(data->udev, | |
706 | data->bulk_tx_ep->bEndpointAddress); | |
707 | ||
708 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
709 | skb->data, skb->len, btusb_tx_complete, skb); | |
710 | ||
711 | hdev->stat.acl_tx++; | |
712 | break; | |
713 | ||
714 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
715 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
716 | return -ENODEV; | |
717 | ||
718 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
719 | if (!urb) | |
720 | return -ENOMEM; | |
721 | ||
722 | pipe = usb_sndisocpipe(data->udev, | |
723 | data->isoc_tx_ep->bEndpointAddress); | |
724 | ||
03c2d0e8 GP |
725 | usb_fill_int_urb(urb, data->udev, pipe, |
726 | skb->data, skb->len, btusb_isoc_tx_complete, | |
727 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
728 | |
729 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
730 | |
731 | __fill_isoc_descriptor(urb, skb->len, | |
732 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
733 | ||
5e23b923 | 734 | hdev->stat.sco_tx++; |
7bee549e | 735 | goto skip_waking; |
5e23b923 MH |
736 | |
737 | default: | |
738 | return -EILSEQ; | |
739 | } | |
740 | ||
7bee549e ON |
741 | err = inc_tx(data); |
742 | if (err) { | |
743 | usb_anchor_urb(urb, &data->deferred); | |
744 | schedule_work(&data->waker); | |
745 | err = 0; | |
746 | goto done; | |
747 | } | |
748 | ||
749 | skip_waking: | |
5e23b923 MH |
750 | usb_anchor_urb(urb, &data->tx_anchor); |
751 | ||
752 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
753 | if (err < 0) { | |
754 | BT_ERR("%s urb %p submission failed", hdev->name, urb); | |
755 | kfree(urb->setup_packet); | |
756 | usb_unanchor_urb(urb); | |
7bee549e ON |
757 | } else { |
758 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
759 | } |
760 | ||
761 | usb_free_urb(urb); | |
762 | ||
7bee549e | 763 | done: |
5e23b923 MH |
764 | return err; |
765 | } | |
766 | ||
767 | static void btusb_destruct(struct hci_dev *hdev) | |
768 | { | |
769 | struct btusb_data *data = hdev->driver_data; | |
770 | ||
771 | BT_DBG("%s", hdev->name); | |
772 | ||
773 | kfree(data); | |
774 | } | |
775 | ||
776 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) | |
777 | { | |
778 | struct btusb_data *data = hdev->driver_data; | |
779 | ||
780 | BT_DBG("%s evt %d", hdev->name, evt); | |
781 | ||
43c2e57f MH |
782 | if (hdev->conn_hash.sco_num != data->sco_num) { |
783 | data->sco_num = hdev->conn_hash.sco_num; | |
784 | schedule_work(&data->work); | |
a780efa8 | 785 | } |
5e23b923 MH |
786 | } |
787 | ||
42b16b3f | 788 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe MH |
789 | { |
790 | struct btusb_data *data = hdev->driver_data; | |
791 | struct usb_interface *intf = data->isoc; | |
792 | struct usb_endpoint_descriptor *ep_desc; | |
793 | int i, err; | |
794 | ||
795 | if (!data->isoc) | |
796 | return -ENODEV; | |
797 | ||
798 | err = usb_set_interface(data->udev, 1, altsetting); | |
799 | if (err < 0) { | |
800 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
801 | return err; | |
802 | } | |
803 | ||
804 | data->isoc_altsetting = altsetting; | |
805 | ||
806 | data->isoc_tx_ep = NULL; | |
807 | data->isoc_rx_ep = NULL; | |
808 | ||
809 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
810 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
811 | ||
812 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
813 | data->isoc_tx_ep = ep_desc; | |
814 | continue; | |
815 | } | |
816 | ||
817 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
818 | data->isoc_rx_ep = ep_desc; | |
819 | continue; | |
820 | } | |
821 | } | |
822 | ||
823 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
824 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
825 | return -ENODEV; | |
826 | } | |
827 | ||
828 | return 0; | |
829 | } | |
830 | ||
5e23b923 MH |
831 | static void btusb_work(struct work_struct *work) |
832 | { | |
833 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
834 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 835 | int err; |
5e23b923 | 836 | |
9bfa35fe | 837 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 838 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 839 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
840 | if (err < 0) { |
841 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
842 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
843 | return; | |
844 | } | |
845 | ||
08b8b6c4 | 846 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 847 | } |
9bfa35fe MH |
848 | if (data->isoc_altsetting != 2) { |
849 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
850 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
851 | ||
852 | if (__set_isoc_interface(hdev, 2) < 0) | |
853 | return; | |
854 | } | |
855 | ||
856 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 857 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
858 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
859 | else | |
2eda66f4 | 860 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
861 | } |
862 | } else { | |
863 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
864 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
865 | ||
866 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 867 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 868 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
869 | } |
870 | } | |
871 | ||
7bee549e ON |
872 | static void btusb_waker(struct work_struct *work) |
873 | { | |
874 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
875 | int err; | |
876 | ||
877 | err = usb_autopm_get_interface(data->intf); | |
878 | if (err < 0) | |
879 | return; | |
880 | ||
881 | usb_autopm_put_interface(data->intf); | |
882 | } | |
883 | ||
5e23b923 MH |
884 | static int btusb_probe(struct usb_interface *intf, |
885 | const struct usb_device_id *id) | |
886 | { | |
887 | struct usb_endpoint_descriptor *ep_desc; | |
888 | struct btusb_data *data; | |
889 | struct hci_dev *hdev; | |
890 | int i, err; | |
891 | ||
892 | BT_DBG("intf %p id %p", intf, id); | |
893 | ||
cfeb4145 | 894 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
895 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
896 | return -ENODEV; | |
897 | ||
898 | if (!id->driver_info) { | |
899 | const struct usb_device_id *match; | |
900 | match = usb_match_id(intf, blacklist_table); | |
901 | if (match) | |
902 | id = match; | |
903 | } | |
904 | ||
cfeb4145 MH |
905 | if (id->driver_info == BTUSB_IGNORE) |
906 | return -ENODEV; | |
907 | ||
908 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
909 | return -ENODEV; | |
910 | ||
911 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
912 | return -ENODEV; | |
913 | ||
914 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
915 | return -ENODEV; | |
916 | ||
5e23b923 MH |
917 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
918 | if (!data) | |
919 | return -ENOMEM; | |
920 | ||
921 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
922 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
923 | ||
924 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
925 | data->intr_ep = ep_desc; | |
926 | continue; | |
927 | } | |
928 | ||
929 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
930 | data->bulk_tx_ep = ep_desc; | |
931 | continue; | |
932 | } | |
933 | ||
934 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
935 | data->bulk_rx_ep = ep_desc; | |
936 | continue; | |
937 | } | |
938 | } | |
939 | ||
940 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
941 | kfree(data); | |
942 | return -ENODEV; | |
943 | } | |
944 | ||
7a9d4020 MH |
945 | data->cmdreq_type = USB_TYPE_CLASS; |
946 | ||
5e23b923 | 947 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 948 | data->intf = intf; |
5e23b923 MH |
949 | |
950 | spin_lock_init(&data->lock); | |
951 | ||
952 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
953 | INIT_WORK(&data->waker, btusb_waker); |
954 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
955 | |
956 | init_usb_anchor(&data->tx_anchor); | |
957 | init_usb_anchor(&data->intr_anchor); | |
958 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 959 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 960 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
961 | |
962 | hdev = hci_alloc_dev(); | |
963 | if (!hdev) { | |
964 | kfree(data); | |
965 | return -ENOMEM; | |
966 | } | |
967 | ||
c13854ce | 968 | hdev->bus = HCI_USB; |
5e23b923 MH |
969 | hdev->driver_data = data; |
970 | ||
971 | data->hdev = hdev; | |
972 | ||
973 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
974 | ||
975 | hdev->open = btusb_open; | |
976 | hdev->close = btusb_close; | |
977 | hdev->flush = btusb_flush; | |
978 | hdev->send = btusb_send_frame; | |
979 | hdev->destruct = btusb_destruct; | |
980 | hdev->notify = btusb_notify; | |
981 | ||
982 | hdev->owner = THIS_MODULE; | |
983 | ||
7a9d4020 | 984 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
985 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
986 | ||
7a9d4020 MH |
987 | if (!reset) |
988 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
989 | |
990 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
991 | if (!disable_scofix) | |
992 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
993 | } | |
994 | ||
9bfa35fe MH |
995 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
996 | data->isoc = NULL; | |
997 | ||
7a9d4020 MH |
998 | if (id->driver_info & BTUSB_DIGIANSWER) { |
999 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1000 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1001 | } | |
1002 | ||
1003 | if (id->driver_info & BTUSB_CSR) { | |
1004 | struct usb_device *udev = data->udev; | |
1005 | ||
1006 | /* Old firmware would otherwise execute USB reset */ | |
1007 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1008 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1009 | } | |
1010 | ||
cfeb4145 | 1011 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1012 | struct usb_device *udev = data->udev; |
cfeb4145 | 1013 | |
7a9d4020 | 1014 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1015 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1016 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1017 | |
1018 | data->isoc = NULL; | |
cfeb4145 MH |
1019 | } |
1020 | ||
1021 | if (id->driver_info & BTUSB_BCM92035) { | |
1022 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1023 | struct sk_buff *skb; | |
1024 | ||
1025 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1026 | if (skb) { | |
1027 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1028 | skb_queue_tail(&hdev->driver_init, skb); | |
1029 | } | |
1030 | } | |
5e23b923 | 1031 | |
9bfa35fe MH |
1032 | if (data->isoc) { |
1033 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1034 | data->isoc, data); |
9bfa35fe MH |
1035 | if (err < 0) { |
1036 | hci_free_dev(hdev); | |
1037 | kfree(data); | |
1038 | return err; | |
1039 | } | |
1040 | } | |
1041 | ||
5e23b923 MH |
1042 | err = hci_register_dev(hdev); |
1043 | if (err < 0) { | |
1044 | hci_free_dev(hdev); | |
1045 | kfree(data); | |
1046 | return err; | |
1047 | } | |
1048 | ||
1049 | usb_set_intfdata(intf, data); | |
1050 | ||
1051 | return 0; | |
1052 | } | |
1053 | ||
1054 | static void btusb_disconnect(struct usb_interface *intf) | |
1055 | { | |
1056 | struct btusb_data *data = usb_get_intfdata(intf); | |
1057 | struct hci_dev *hdev; | |
1058 | ||
1059 | BT_DBG("intf %p", intf); | |
1060 | ||
1061 | if (!data) | |
1062 | return; | |
1063 | ||
1064 | hdev = data->hdev; | |
1065 | ||
5fbcd260 | 1066 | __hci_dev_hold(hdev); |
9bfa35fe | 1067 | |
5fbcd260 MH |
1068 | usb_set_intfdata(data->intf, NULL); |
1069 | ||
1070 | if (data->isoc) | |
1071 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1072 | |
1073 | hci_unregister_dev(hdev); | |
1074 | ||
5fbcd260 MH |
1075 | if (intf == data->isoc) |
1076 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1077 | else if (data->isoc) | |
1078 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1079 | ||
1080 | __hci_dev_put(hdev); | |
1081 | ||
5e23b923 MH |
1082 | hci_free_dev(hdev); |
1083 | } | |
1084 | ||
7bee549e | 1085 | #ifdef CONFIG_PM |
6a88adf2 MH |
1086 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1087 | { | |
1088 | struct btusb_data *data = usb_get_intfdata(intf); | |
1089 | ||
1090 | BT_DBG("intf %p", intf); | |
1091 | ||
1092 | if (data->suspend_count++) | |
1093 | return 0; | |
1094 | ||
7bee549e | 1095 | spin_lock_irq(&data->txlock); |
fb34d537 | 1096 | if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) { |
7bee549e ON |
1097 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1098 | spin_unlock_irq(&data->txlock); | |
1099 | } else { | |
1100 | spin_unlock_irq(&data->txlock); | |
1101 | data->suspend_count--; | |
1102 | return -EBUSY; | |
1103 | } | |
1104 | ||
6a88adf2 MH |
1105 | cancel_work_sync(&data->work); |
1106 | ||
7bee549e | 1107 | btusb_stop_traffic(data); |
6a88adf2 MH |
1108 | usb_kill_anchored_urbs(&data->tx_anchor); |
1109 | ||
6a88adf2 MH |
1110 | return 0; |
1111 | } | |
1112 | ||
7bee549e ON |
1113 | static void play_deferred(struct btusb_data *data) |
1114 | { | |
1115 | struct urb *urb; | |
1116 | int err; | |
1117 | ||
1118 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1119 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1120 | if (err < 0) | |
1121 | break; | |
1122 | ||
1123 | data->tx_in_flight++; | |
1124 | } | |
1125 | usb_scuttle_anchored_urbs(&data->deferred); | |
1126 | } | |
1127 | ||
6a88adf2 MH |
1128 | static int btusb_resume(struct usb_interface *intf) |
1129 | { | |
1130 | struct btusb_data *data = usb_get_intfdata(intf); | |
1131 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1132 | int err = 0; |
6a88adf2 MH |
1133 | |
1134 | BT_DBG("intf %p", intf); | |
1135 | ||
1136 | if (--data->suspend_count) | |
1137 | return 0; | |
1138 | ||
1139 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1140 | goto done; |
6a88adf2 MH |
1141 | |
1142 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1143 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1144 | if (err < 0) { | |
1145 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1146 | goto failed; |
6a88adf2 MH |
1147 | } |
1148 | } | |
1149 | ||
1150 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1151 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1152 | if (err < 0) { | |
6a88adf2 | 1153 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1154 | goto failed; |
1155 | } | |
1156 | ||
1157 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1158 | } |
1159 | ||
1160 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1161 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1162 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1163 | else | |
1164 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1165 | } | |
1166 | ||
7bee549e ON |
1167 | spin_lock_irq(&data->txlock); |
1168 | play_deferred(data); | |
1169 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1170 | spin_unlock_irq(&data->txlock); | |
1171 | schedule_work(&data->work); | |
1172 | ||
6a88adf2 | 1173 | return 0; |
7bee549e ON |
1174 | |
1175 | failed: | |
1176 | usb_scuttle_anchored_urbs(&data->deferred); | |
1177 | done: | |
1178 | spin_lock_irq(&data->txlock); | |
1179 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1180 | spin_unlock_irq(&data->txlock); | |
1181 | ||
1182 | return err; | |
6a88adf2 | 1183 | } |
7bee549e | 1184 | #endif |
6a88adf2 | 1185 | |
5e23b923 MH |
1186 | static struct usb_driver btusb_driver = { |
1187 | .name = "btusb", | |
1188 | .probe = btusb_probe, | |
1189 | .disconnect = btusb_disconnect, | |
7bee549e | 1190 | #ifdef CONFIG_PM |
6a88adf2 MH |
1191 | .suspend = btusb_suspend, |
1192 | .resume = btusb_resume, | |
7bee549e | 1193 | #endif |
5e23b923 | 1194 | .id_table = btusb_table, |
7bee549e | 1195 | .supports_autosuspend = 1, |
5e23b923 MH |
1196 | }; |
1197 | ||
1198 | static int __init btusb_init(void) | |
1199 | { | |
1200 | BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); | |
1201 | ||
1202 | return usb_register(&btusb_driver); | |
1203 | } | |
1204 | ||
1205 | static void __exit btusb_exit(void) | |
1206 | { | |
1207 | usb_deregister(&btusb_driver); | |
1208 | } | |
1209 | ||
1210 | module_init(btusb_init); | |
1211 | module_exit(btusb_exit); | |
1212 | ||
cfeb4145 MH |
1213 | module_param(ignore_dga, bool, 0644); |
1214 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1215 | ||
1216 | module_param(ignore_csr, bool, 0644); | |
1217 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1218 | ||
1219 | module_param(ignore_sniffer, bool, 0644); | |
1220 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1221 | ||
1222 | module_param(disable_scofix, bool, 0644); | |
1223 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1224 | ||
1225 | module_param(force_scofix, bool, 0644); | |
1226 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1227 | ||
1228 | module_param(reset, bool, 0644); | |
1229 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1230 | ||
5e23b923 MH |
1231 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1232 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1233 | MODULE_VERSION(VERSION); | |
1234 | MODULE_LICENSE("GPL"); |