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 | |
2d25f8b4 | 57 | #define BTUSB_ATH3012 0x80 |
5e23b923 MH |
58 | |
59 | static struct usb_device_id btusb_table[] = { | |
60 | /* Generic Bluetooth USB device */ | |
61 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
62 | ||
3cd01976 NI |
63 | /* Apple MacBookPro 7,1 */ |
64 | { USB_DEVICE(0x05ac, 0x8213) }, | |
65 | ||
0a79f674 CL |
66 | /* Apple iMac11,1 */ |
67 | { USB_DEVICE(0x05ac, 0x8215) }, | |
68 | ||
9c047157 NI |
69 | /* Apple MacBookPro6,2 */ |
70 | { USB_DEVICE(0x05ac, 0x8218) }, | |
71 | ||
3e3ede7d EH |
72 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
73 | { USB_DEVICE(0x05ac, 0x821b) }, | |
74 | ||
88d377b6 MAP |
75 | /* Apple MacBookPro8,2 */ |
76 | { USB_DEVICE(0x05ac, 0x821a) }, | |
77 | ||
cfeb4145 MH |
78 | /* AVM BlueFRITZ! USB v2.0 */ |
79 | { USB_DEVICE(0x057c, 0x3800) }, | |
80 | ||
81 | /* Bluetooth Ultraport Module from IBM */ | |
82 | { USB_DEVICE(0x04bf, 0x030a) }, | |
83 | ||
84 | /* ALPS Modules with non-standard id */ | |
85 | { USB_DEVICE(0x044e, 0x3001) }, | |
86 | { USB_DEVICE(0x044e, 0x3002) }, | |
87 | ||
88 | /* Ericsson with non-standard id */ | |
89 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
90 | ||
91 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 92 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 93 | |
5e23b923 MH |
94 | { } /* Terminating entry */ |
95 | }; | |
96 | ||
97 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
98 | ||
99 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
100 | /* CSR BlueCore devices */ |
101 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
102 | ||
103 | /* Broadcom BCM2033 without firmware */ | |
104 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
105 | ||
be93112a BS |
106 | /* Atheros 3011 with sflash firmware */ |
107 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 108 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 109 | |
509e7861 CYC |
110 | /* Atheros AR9285 Malbec with sflash firmware */ |
111 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
112 | ||
d9f51b51 | 113 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 114 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 115 | |
e9036e33 CYC |
116 | /* Atheros AR5BBU12 with sflash firmware */ |
117 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
118 | ||
cfeb4145 | 119 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
120 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
121 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
122 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
123 | |
124 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
125 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
126 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 127 | |
cfeb4145 | 128 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
129 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
130 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
131 | |
132 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 133 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
134 | |
135 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 136 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 137 | |
5ddd4a60 | 138 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 139 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 140 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 141 | |
7a9d4020 MH |
142 | /* Belkin F8T012 and F8T013 devices */ |
143 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
144 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 145 | |
5ddd4a60 MH |
146 | /* Asus WL-BTD202 device */ |
147 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
148 | ||
149 | /* Kensington Bluetooth USB adapter */ | |
150 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
151 | ||
cfeb4145 MH |
152 | /* RTX Telecom based adapters with buggy SCO support */ |
153 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
154 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
155 | ||
156 | /* CONWISE Technology based adapters with buggy SCO support */ | |
157 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
158 | ||
cfeb4145 MH |
159 | /* Digianswer devices */ |
160 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
161 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
162 | ||
163 | /* CSR BlueCore Bluetooth Sniffer */ | |
164 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
165 | ||
166 | /* Frontline ComProbe Bluetooth Sniffer */ | |
167 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
168 | ||
5e23b923 MH |
169 | { } /* Terminating entry */ |
170 | }; | |
171 | ||
9bfa35fe MH |
172 | #define BTUSB_MAX_ISOC_FRAMES 10 |
173 | ||
5e23b923 MH |
174 | #define BTUSB_INTR_RUNNING 0 |
175 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 176 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 177 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 178 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
179 | |
180 | struct btusb_data { | |
181 | struct hci_dev *hdev; | |
182 | struct usb_device *udev; | |
5fbcd260 | 183 | struct usb_interface *intf; |
9bfa35fe | 184 | struct usb_interface *isoc; |
5e23b923 MH |
185 | |
186 | spinlock_t lock; | |
187 | ||
188 | unsigned long flags; | |
189 | ||
190 | struct work_struct work; | |
7bee549e | 191 | struct work_struct waker; |
5e23b923 MH |
192 | |
193 | struct usb_anchor tx_anchor; | |
194 | struct usb_anchor intr_anchor; | |
195 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 196 | struct usb_anchor isoc_anchor; |
7bee549e ON |
197 | struct usb_anchor deferred; |
198 | int tx_in_flight; | |
199 | spinlock_t txlock; | |
5e23b923 MH |
200 | |
201 | struct usb_endpoint_descriptor *intr_ep; | |
202 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
203 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
204 | struct usb_endpoint_descriptor *isoc_tx_ep; |
205 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
206 | ||
7a9d4020 MH |
207 | __u8 cmdreq_type; |
208 | ||
43c2e57f | 209 | unsigned int sco_num; |
9bfa35fe | 210 | int isoc_altsetting; |
6a88adf2 | 211 | int suspend_count; |
5e23b923 MH |
212 | }; |
213 | ||
7bee549e ON |
214 | static int inc_tx(struct btusb_data *data) |
215 | { | |
216 | unsigned long flags; | |
217 | int rv; | |
218 | ||
219 | spin_lock_irqsave(&data->txlock, flags); | |
220 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
221 | if (!rv) | |
222 | data->tx_in_flight++; | |
223 | spin_unlock_irqrestore(&data->txlock, flags); | |
224 | ||
225 | return rv; | |
226 | } | |
227 | ||
5e23b923 MH |
228 | static void btusb_intr_complete(struct urb *urb) |
229 | { | |
230 | struct hci_dev *hdev = urb->context; | |
231 | struct btusb_data *data = hdev->driver_data; | |
232 | int err; | |
233 | ||
234 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
235 | urb, urb->status, urb->actual_length); | |
236 | ||
237 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
238 | return; | |
239 | ||
240 | if (urb->status == 0) { | |
9bfa35fe MH |
241 | hdev->stat.byte_rx += urb->actual_length; |
242 | ||
5e23b923 MH |
243 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
244 | urb->transfer_buffer, | |
245 | urb->actual_length) < 0) { | |
246 | BT_ERR("%s corrupted event packet", hdev->name); | |
247 | hdev->stat.err_rx++; | |
248 | } | |
249 | } | |
250 | ||
251 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
252 | return; | |
253 | ||
7bee549e | 254 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
255 | usb_anchor_urb(urb, &data->intr_anchor); |
256 | ||
257 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
258 | if (err < 0) { | |
61faddf6 SS |
259 | if (err != -EPERM) |
260 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
5e23b923 MH |
261 | hdev->name, urb, -err); |
262 | usb_unanchor_urb(urb); | |
263 | } | |
264 | } | |
265 | ||
2eda66f4 | 266 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
267 | { |
268 | struct btusb_data *data = hdev->driver_data; | |
269 | struct urb *urb; | |
270 | unsigned char *buf; | |
271 | unsigned int pipe; | |
272 | int err, size; | |
273 | ||
274 | BT_DBG("%s", hdev->name); | |
275 | ||
9bfa35fe MH |
276 | if (!data->intr_ep) |
277 | return -ENODEV; | |
278 | ||
2eda66f4 | 279 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
280 | if (!urb) |
281 | return -ENOMEM; | |
282 | ||
283 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
284 | ||
2eda66f4 | 285 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
286 | if (!buf) { |
287 | usb_free_urb(urb); | |
288 | return -ENOMEM; | |
289 | } | |
290 | ||
291 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
292 | ||
293 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
294 | btusb_intr_complete, hdev, | |
295 | data->intr_ep->bInterval); | |
296 | ||
297 | urb->transfer_flags |= URB_FREE_BUFFER; | |
298 | ||
299 | usb_anchor_urb(urb, &data->intr_anchor); | |
300 | ||
2eda66f4 | 301 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
302 | if (err < 0) { |
303 | BT_ERR("%s urb %p submission failed (%d)", | |
304 | hdev->name, urb, -err); | |
305 | usb_unanchor_urb(urb); | |
5e23b923 MH |
306 | } |
307 | ||
308 | usb_free_urb(urb); | |
309 | ||
310 | return err; | |
311 | } | |
312 | ||
313 | static void btusb_bulk_complete(struct urb *urb) | |
314 | { | |
315 | struct hci_dev *hdev = urb->context; | |
316 | struct btusb_data *data = hdev->driver_data; | |
317 | int err; | |
318 | ||
319 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
320 | urb, urb->status, urb->actual_length); | |
321 | ||
322 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
323 | return; | |
324 | ||
325 | if (urb->status == 0) { | |
9bfa35fe MH |
326 | hdev->stat.byte_rx += urb->actual_length; |
327 | ||
5e23b923 MH |
328 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
329 | urb->transfer_buffer, | |
330 | urb->actual_length) < 0) { | |
331 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
332 | hdev->stat.err_rx++; | |
333 | } | |
334 | } | |
335 | ||
336 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
337 | return; | |
338 | ||
339 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 340 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
341 | |
342 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
343 | if (err < 0) { | |
61faddf6 SS |
344 | if (err != -EPERM) |
345 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
5e23b923 MH |
346 | hdev->name, urb, -err); |
347 | usb_unanchor_urb(urb); | |
348 | } | |
349 | } | |
350 | ||
2eda66f4 | 351 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
352 | { |
353 | struct btusb_data *data = hdev->driver_data; | |
354 | struct urb *urb; | |
355 | unsigned char *buf; | |
356 | unsigned int pipe; | |
290ba200 | 357 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
358 | |
359 | BT_DBG("%s", hdev->name); | |
360 | ||
9bfa35fe MH |
361 | if (!data->bulk_rx_ep) |
362 | return -ENODEV; | |
363 | ||
2eda66f4 | 364 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
365 | if (!urb) |
366 | return -ENOMEM; | |
367 | ||
2eda66f4 | 368 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
369 | if (!buf) { |
370 | usb_free_urb(urb); | |
371 | return -ENOMEM; | |
372 | } | |
373 | ||
374 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
375 | ||
376 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
377 | buf, size, btusb_bulk_complete, hdev); | |
378 | ||
379 | urb->transfer_flags |= URB_FREE_BUFFER; | |
380 | ||
7bee549e | 381 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
382 | usb_anchor_urb(urb, &data->bulk_anchor); |
383 | ||
2eda66f4 | 384 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
385 | if (err < 0) { |
386 | BT_ERR("%s urb %p submission failed (%d)", | |
387 | hdev->name, urb, -err); | |
388 | usb_unanchor_urb(urb); | |
5e23b923 MH |
389 | } |
390 | ||
391 | usb_free_urb(urb); | |
392 | ||
393 | return err; | |
394 | } | |
395 | ||
9bfa35fe MH |
396 | static void btusb_isoc_complete(struct urb *urb) |
397 | { | |
398 | struct hci_dev *hdev = urb->context; | |
399 | struct btusb_data *data = hdev->driver_data; | |
400 | int i, err; | |
401 | ||
402 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
403 | urb, urb->status, urb->actual_length); | |
404 | ||
405 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
406 | return; | |
407 | ||
408 | if (urb->status == 0) { | |
409 | for (i = 0; i < urb->number_of_packets; i++) { | |
410 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
411 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
412 | ||
413 | if (urb->iso_frame_desc[i].status) | |
414 | continue; | |
415 | ||
416 | hdev->stat.byte_rx += length; | |
417 | ||
418 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
419 | urb->transfer_buffer + offset, | |
420 | length) < 0) { | |
421 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
422 | hdev->stat.err_rx++; | |
423 | } | |
424 | } | |
425 | } | |
426 | ||
427 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
428 | return; | |
429 | ||
430 | usb_anchor_urb(urb, &data->isoc_anchor); | |
431 | ||
432 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
433 | if (err < 0) { | |
61faddf6 SS |
434 | if (err != -EPERM) |
435 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
9bfa35fe MH |
436 | hdev->name, urb, -err); |
437 | usb_unanchor_urb(urb); | |
438 | } | |
439 | } | |
440 | ||
42b16b3f | 441 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
442 | { |
443 | int i, offset = 0; | |
444 | ||
445 | BT_DBG("len %d mtu %d", len, mtu); | |
446 | ||
447 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
448 | i++, offset += mtu, len -= mtu) { | |
449 | urb->iso_frame_desc[i].offset = offset; | |
450 | urb->iso_frame_desc[i].length = mtu; | |
451 | } | |
452 | ||
453 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
454 | urb->iso_frame_desc[i].offset = offset; | |
455 | urb->iso_frame_desc[i].length = len; | |
456 | i++; | |
457 | } | |
458 | ||
459 | urb->number_of_packets = i; | |
460 | } | |
461 | ||
2eda66f4 | 462 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe MH |
463 | { |
464 | struct btusb_data *data = hdev->driver_data; | |
465 | struct urb *urb; | |
466 | unsigned char *buf; | |
467 | unsigned int pipe; | |
468 | int err, size; | |
469 | ||
470 | BT_DBG("%s", hdev->name); | |
471 | ||
472 | if (!data->isoc_rx_ep) | |
473 | return -ENODEV; | |
474 | ||
2eda66f4 | 475 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
476 | if (!urb) |
477 | return -ENOMEM; | |
478 | ||
479 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
480 | BTUSB_MAX_ISOC_FRAMES; | |
481 | ||
2eda66f4 | 482 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
483 | if (!buf) { |
484 | usb_free_urb(urb); | |
485 | return -ENOMEM; | |
486 | } | |
487 | ||
488 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
489 | ||
490 | urb->dev = data->udev; | |
491 | urb->pipe = pipe; | |
492 | urb->context = hdev; | |
493 | urb->complete = btusb_isoc_complete; | |
494 | urb->interval = data->isoc_rx_ep->bInterval; | |
495 | ||
496 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
497 | urb->transfer_buffer = buf; | |
498 | urb->transfer_buffer_length = size; | |
499 | ||
500 | __fill_isoc_descriptor(urb, size, | |
501 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
502 | ||
503 | usb_anchor_urb(urb, &data->isoc_anchor); | |
504 | ||
2eda66f4 | 505 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe MH |
506 | if (err < 0) { |
507 | BT_ERR("%s urb %p submission failed (%d)", | |
508 | hdev->name, urb, -err); | |
509 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
510 | } |
511 | ||
512 | usb_free_urb(urb); | |
513 | ||
514 | return err; | |
515 | } | |
516 | ||
5e23b923 | 517 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
518 | { |
519 | struct sk_buff *skb = urb->context; | |
520 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
521 | struct btusb_data *data = hdev->driver_data; | |
522 | ||
523 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
524 | urb, urb->status, urb->actual_length); | |
525 | ||
526 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
527 | goto done; | |
528 | ||
529 | if (!urb->status) | |
530 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
531 | else | |
532 | hdev->stat.err_tx++; | |
533 | ||
534 | done: | |
535 | spin_lock(&data->txlock); | |
536 | data->tx_in_flight--; | |
537 | spin_unlock(&data->txlock); | |
538 | ||
539 | kfree(urb->setup_packet); | |
540 | ||
541 | kfree_skb(skb); | |
542 | } | |
543 | ||
544 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
545 | { |
546 | struct sk_buff *skb = urb->context; | |
547 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
548 | ||
549 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
550 | urb, urb->status, urb->actual_length); | |
551 | ||
552 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
553 | goto done; | |
554 | ||
555 | if (!urb->status) | |
556 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
557 | else | |
558 | hdev->stat.err_tx++; | |
559 | ||
560 | done: | |
561 | kfree(urb->setup_packet); | |
562 | ||
563 | kfree_skb(skb); | |
564 | } | |
565 | ||
566 | static int btusb_open(struct hci_dev *hdev) | |
567 | { | |
568 | struct btusb_data *data = hdev->driver_data; | |
569 | int err; | |
570 | ||
571 | BT_DBG("%s", hdev->name); | |
572 | ||
7bee549e ON |
573 | err = usb_autopm_get_interface(data->intf); |
574 | if (err < 0) | |
575 | return err; | |
576 | ||
577 | data->intf->needs_remote_wakeup = 1; | |
578 | ||
5e23b923 | 579 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 580 | goto done; |
5e23b923 MH |
581 | |
582 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 583 | goto done; |
5e23b923 | 584 | |
2eda66f4 | 585 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
586 | if (err < 0) |
587 | goto failed; | |
588 | ||
589 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 590 | if (err < 0) { |
43c2e57f MH |
591 | usb_kill_anchored_urbs(&data->intr_anchor); |
592 | goto failed; | |
5e23b923 MH |
593 | } |
594 | ||
43c2e57f MH |
595 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
596 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
597 | ||
7bee549e ON |
598 | done: |
599 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
600 | return 0; |
601 | ||
602 | failed: | |
603 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
604 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 605 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
606 | return err; |
607 | } | |
608 | ||
7bee549e ON |
609 | static void btusb_stop_traffic(struct btusb_data *data) |
610 | { | |
611 | usb_kill_anchored_urbs(&data->intr_anchor); | |
612 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
613 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
614 | } | |
615 | ||
5e23b923 MH |
616 | static int btusb_close(struct hci_dev *hdev) |
617 | { | |
618 | struct btusb_data *data = hdev->driver_data; | |
7bee549e | 619 | int err; |
5e23b923 MH |
620 | |
621 | BT_DBG("%s", hdev->name); | |
622 | ||
623 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
624 | return 0; | |
625 | ||
e8c3c3d2 | 626 | cancel_work_sync(&data->work); |
404291ac | 627 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 628 | |
9bfa35fe | 629 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 630 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 631 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
632 | |
633 | btusb_stop_traffic(data); | |
634 | err = usb_autopm_get_interface(data->intf); | |
635 | if (err < 0) | |
7b8e2c1d | 636 | goto failed; |
7bee549e ON |
637 | |
638 | data->intf->needs_remote_wakeup = 0; | |
639 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 640 | |
7b8e2c1d ON |
641 | failed: |
642 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
643 | return 0; |
644 | } | |
645 | ||
646 | static int btusb_flush(struct hci_dev *hdev) | |
647 | { | |
648 | struct btusb_data *data = hdev->driver_data; | |
649 | ||
650 | BT_DBG("%s", hdev->name); | |
651 | ||
652 | usb_kill_anchored_urbs(&data->tx_anchor); | |
653 | ||
654 | return 0; | |
655 | } | |
656 | ||
657 | static int btusb_send_frame(struct sk_buff *skb) | |
658 | { | |
659 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
660 | struct btusb_data *data = hdev->driver_data; | |
661 | struct usb_ctrlrequest *dr; | |
662 | struct urb *urb; | |
663 | unsigned int pipe; | |
664 | int err; | |
665 | ||
666 | BT_DBG("%s", hdev->name); | |
667 | ||
668 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
669 | return -EBUSY; | |
670 | ||
671 | switch (bt_cb(skb)->pkt_type) { | |
672 | case HCI_COMMAND_PKT: | |
673 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
674 | if (!urb) | |
675 | return -ENOMEM; | |
676 | ||
677 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
678 | if (!dr) { | |
679 | usb_free_urb(urb); | |
680 | return -ENOMEM; | |
681 | } | |
682 | ||
7a9d4020 | 683 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
684 | dr->bRequest = 0; |
685 | dr->wIndex = 0; | |
686 | dr->wValue = 0; | |
687 | dr->wLength = __cpu_to_le16(skb->len); | |
688 | ||
689 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
690 | ||
691 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
692 | skb->data, skb->len, btusb_tx_complete, skb); | |
693 | ||
694 | hdev->stat.cmd_tx++; | |
695 | break; | |
696 | ||
697 | case HCI_ACLDATA_PKT: | |
8693ac90 VCG |
698 | if (!data->bulk_tx_ep || (hdev->conn_hash.acl_num < 1 && |
699 | hdev->conn_hash.le_num < 1)) | |
9bfa35fe MH |
700 | return -ENODEV; |
701 | ||
5e23b923 MH |
702 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
703 | if (!urb) | |
704 | return -ENOMEM; | |
705 | ||
706 | pipe = usb_sndbulkpipe(data->udev, | |
707 | data->bulk_tx_ep->bEndpointAddress); | |
708 | ||
709 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
710 | skb->data, skb->len, btusb_tx_complete, skb); | |
711 | ||
712 | hdev->stat.acl_tx++; | |
713 | break; | |
714 | ||
715 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
716 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
717 | return -ENODEV; | |
718 | ||
719 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
720 | if (!urb) | |
721 | return -ENOMEM; | |
722 | ||
723 | pipe = usb_sndisocpipe(data->udev, | |
724 | data->isoc_tx_ep->bEndpointAddress); | |
725 | ||
03c2d0e8 GP |
726 | usb_fill_int_urb(urb, data->udev, pipe, |
727 | skb->data, skb->len, btusb_isoc_tx_complete, | |
728 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
729 | |
730 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
731 | |
732 | __fill_isoc_descriptor(urb, skb->len, | |
733 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
734 | ||
5e23b923 | 735 | hdev->stat.sco_tx++; |
7bee549e | 736 | goto skip_waking; |
5e23b923 MH |
737 | |
738 | default: | |
739 | return -EILSEQ; | |
740 | } | |
741 | ||
7bee549e ON |
742 | err = inc_tx(data); |
743 | if (err) { | |
744 | usb_anchor_urb(urb, &data->deferred); | |
745 | schedule_work(&data->waker); | |
746 | err = 0; | |
747 | goto done; | |
748 | } | |
749 | ||
750 | skip_waking: | |
5e23b923 MH |
751 | usb_anchor_urb(urb, &data->tx_anchor); |
752 | ||
753 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
754 | if (err < 0) { | |
755 | BT_ERR("%s urb %p submission failed", hdev->name, urb); | |
756 | kfree(urb->setup_packet); | |
757 | usb_unanchor_urb(urb); | |
7bee549e ON |
758 | } else { |
759 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
760 | } |
761 | ||
762 | usb_free_urb(urb); | |
763 | ||
7bee549e | 764 | done: |
5e23b923 MH |
765 | return err; |
766 | } | |
767 | ||
768 | static void btusb_destruct(struct hci_dev *hdev) | |
769 | { | |
770 | struct btusb_data *data = hdev->driver_data; | |
771 | ||
772 | BT_DBG("%s", hdev->name); | |
773 | ||
774 | kfree(data); | |
775 | } | |
776 | ||
777 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) | |
778 | { | |
779 | struct btusb_data *data = hdev->driver_data; | |
780 | ||
781 | BT_DBG("%s evt %d", hdev->name, evt); | |
782 | ||
43c2e57f MH |
783 | if (hdev->conn_hash.sco_num != data->sco_num) { |
784 | data->sco_num = hdev->conn_hash.sco_num; | |
785 | schedule_work(&data->work); | |
a780efa8 | 786 | } |
5e23b923 MH |
787 | } |
788 | ||
42b16b3f | 789 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe MH |
790 | { |
791 | struct btusb_data *data = hdev->driver_data; | |
792 | struct usb_interface *intf = data->isoc; | |
793 | struct usb_endpoint_descriptor *ep_desc; | |
794 | int i, err; | |
795 | ||
796 | if (!data->isoc) | |
797 | return -ENODEV; | |
798 | ||
799 | err = usb_set_interface(data->udev, 1, altsetting); | |
800 | if (err < 0) { | |
801 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
802 | return err; | |
803 | } | |
804 | ||
805 | data->isoc_altsetting = altsetting; | |
806 | ||
807 | data->isoc_tx_ep = NULL; | |
808 | data->isoc_rx_ep = NULL; | |
809 | ||
810 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
811 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
812 | ||
813 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
814 | data->isoc_tx_ep = ep_desc; | |
815 | continue; | |
816 | } | |
817 | ||
818 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
819 | data->isoc_rx_ep = ep_desc; | |
820 | continue; | |
821 | } | |
822 | } | |
823 | ||
824 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
825 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
826 | return -ENODEV; | |
827 | } | |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
5e23b923 MH |
832 | static void btusb_work(struct work_struct *work) |
833 | { | |
834 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
835 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 836 | int err; |
5e23b923 | 837 | |
9bfa35fe | 838 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 839 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 840 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
841 | if (err < 0) { |
842 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
843 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
844 | return; | |
845 | } | |
846 | ||
08b8b6c4 | 847 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 848 | } |
9bfa35fe MH |
849 | if (data->isoc_altsetting != 2) { |
850 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
851 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
852 | ||
853 | if (__set_isoc_interface(hdev, 2) < 0) | |
854 | return; | |
855 | } | |
856 | ||
857 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 858 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
859 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
860 | else | |
2eda66f4 | 861 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
862 | } |
863 | } else { | |
864 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
865 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
866 | ||
867 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 868 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 869 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
870 | } |
871 | } | |
872 | ||
7bee549e ON |
873 | static void btusb_waker(struct work_struct *work) |
874 | { | |
875 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
876 | int err; | |
877 | ||
878 | err = usb_autopm_get_interface(data->intf); | |
879 | if (err < 0) | |
880 | return; | |
881 | ||
882 | usb_autopm_put_interface(data->intf); | |
883 | } | |
884 | ||
5e23b923 MH |
885 | static int btusb_probe(struct usb_interface *intf, |
886 | const struct usb_device_id *id) | |
887 | { | |
888 | struct usb_endpoint_descriptor *ep_desc; | |
889 | struct btusb_data *data; | |
890 | struct hci_dev *hdev; | |
891 | int i, err; | |
892 | ||
893 | BT_DBG("intf %p id %p", intf, id); | |
894 | ||
cfeb4145 | 895 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
896 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
897 | return -ENODEV; | |
898 | ||
899 | if (!id->driver_info) { | |
900 | const struct usb_device_id *match; | |
901 | match = usb_match_id(intf, blacklist_table); | |
902 | if (match) | |
903 | id = match; | |
904 | } | |
905 | ||
cfeb4145 MH |
906 | if (id->driver_info == BTUSB_IGNORE) |
907 | return -ENODEV; | |
908 | ||
909 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
910 | return -ENODEV; | |
911 | ||
912 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
913 | return -ENODEV; | |
914 | ||
915 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
916 | return -ENODEV; | |
917 | ||
2d25f8b4 SL |
918 | if (id->driver_info & BTUSB_ATH3012) { |
919 | struct usb_device *udev = interface_to_usbdev(intf); | |
920 | ||
921 | /* Old firmware would otherwise let ath3k driver load | |
922 | * patch and sysconfig files */ | |
923 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
924 | return -ENODEV; | |
925 | } | |
926 | ||
5e23b923 MH |
927 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
928 | if (!data) | |
929 | return -ENOMEM; | |
930 | ||
931 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
932 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
933 | ||
934 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
935 | data->intr_ep = ep_desc; | |
936 | continue; | |
937 | } | |
938 | ||
939 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
940 | data->bulk_tx_ep = ep_desc; | |
941 | continue; | |
942 | } | |
943 | ||
944 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
945 | data->bulk_rx_ep = ep_desc; | |
946 | continue; | |
947 | } | |
948 | } | |
949 | ||
950 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
951 | kfree(data); | |
952 | return -ENODEV; | |
953 | } | |
954 | ||
7a9d4020 MH |
955 | data->cmdreq_type = USB_TYPE_CLASS; |
956 | ||
5e23b923 | 957 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 958 | data->intf = intf; |
5e23b923 MH |
959 | |
960 | spin_lock_init(&data->lock); | |
961 | ||
962 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
963 | INIT_WORK(&data->waker, btusb_waker); |
964 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
965 | |
966 | init_usb_anchor(&data->tx_anchor); | |
967 | init_usb_anchor(&data->intr_anchor); | |
968 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 969 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 970 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
971 | |
972 | hdev = hci_alloc_dev(); | |
973 | if (!hdev) { | |
974 | kfree(data); | |
975 | return -ENOMEM; | |
976 | } | |
977 | ||
c13854ce | 978 | hdev->bus = HCI_USB; |
5e23b923 MH |
979 | hdev->driver_data = data; |
980 | ||
981 | data->hdev = hdev; | |
982 | ||
983 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
984 | ||
985 | hdev->open = btusb_open; | |
986 | hdev->close = btusb_close; | |
987 | hdev->flush = btusb_flush; | |
988 | hdev->send = btusb_send_frame; | |
989 | hdev->destruct = btusb_destruct; | |
990 | hdev->notify = btusb_notify; | |
991 | ||
992 | hdev->owner = THIS_MODULE; | |
993 | ||
7a9d4020 | 994 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
995 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
996 | ||
7a9d4020 MH |
997 | if (!reset) |
998 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
999 | |
1000 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1001 | if (!disable_scofix) | |
1002 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1003 | } | |
1004 | ||
9bfa35fe MH |
1005 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1006 | data->isoc = NULL; | |
1007 | ||
7a9d4020 MH |
1008 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1009 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1010 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1011 | } | |
1012 | ||
1013 | if (id->driver_info & BTUSB_CSR) { | |
1014 | struct usb_device *udev = data->udev; | |
1015 | ||
1016 | /* Old firmware would otherwise execute USB reset */ | |
1017 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1018 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1019 | } | |
1020 | ||
cfeb4145 | 1021 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1022 | struct usb_device *udev = data->udev; |
cfeb4145 | 1023 | |
7a9d4020 | 1024 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1025 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1026 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1027 | |
1028 | data->isoc = NULL; | |
cfeb4145 MH |
1029 | } |
1030 | ||
1031 | if (id->driver_info & BTUSB_BCM92035) { | |
1032 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1033 | struct sk_buff *skb; | |
1034 | ||
1035 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1036 | if (skb) { | |
1037 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1038 | skb_queue_tail(&hdev->driver_init, skb); | |
1039 | } | |
1040 | } | |
5e23b923 | 1041 | |
9bfa35fe MH |
1042 | if (data->isoc) { |
1043 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1044 | data->isoc, data); |
9bfa35fe MH |
1045 | if (err < 0) { |
1046 | hci_free_dev(hdev); | |
1047 | kfree(data); | |
1048 | return err; | |
1049 | } | |
1050 | } | |
1051 | ||
5e23b923 MH |
1052 | err = hci_register_dev(hdev); |
1053 | if (err < 0) { | |
1054 | hci_free_dev(hdev); | |
1055 | kfree(data); | |
1056 | return err; | |
1057 | } | |
1058 | ||
1059 | usb_set_intfdata(intf, data); | |
1060 | ||
1061 | return 0; | |
1062 | } | |
1063 | ||
1064 | static void btusb_disconnect(struct usb_interface *intf) | |
1065 | { | |
1066 | struct btusb_data *data = usb_get_intfdata(intf); | |
1067 | struct hci_dev *hdev; | |
1068 | ||
1069 | BT_DBG("intf %p", intf); | |
1070 | ||
1071 | if (!data) | |
1072 | return; | |
1073 | ||
1074 | hdev = data->hdev; | |
1075 | ||
5fbcd260 | 1076 | __hci_dev_hold(hdev); |
9bfa35fe | 1077 | |
5fbcd260 MH |
1078 | usb_set_intfdata(data->intf, NULL); |
1079 | ||
1080 | if (data->isoc) | |
1081 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1082 | |
1083 | hci_unregister_dev(hdev); | |
1084 | ||
5fbcd260 MH |
1085 | if (intf == data->isoc) |
1086 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1087 | else if (data->isoc) | |
1088 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1089 | ||
1090 | __hci_dev_put(hdev); | |
1091 | ||
5e23b923 MH |
1092 | hci_free_dev(hdev); |
1093 | } | |
1094 | ||
7bee549e | 1095 | #ifdef CONFIG_PM |
6a88adf2 MH |
1096 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1097 | { | |
1098 | struct btusb_data *data = usb_get_intfdata(intf); | |
1099 | ||
1100 | BT_DBG("intf %p", intf); | |
1101 | ||
1102 | if (data->suspend_count++) | |
1103 | return 0; | |
1104 | ||
7bee549e | 1105 | spin_lock_irq(&data->txlock); |
fb34d537 | 1106 | if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) { |
7bee549e ON |
1107 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1108 | spin_unlock_irq(&data->txlock); | |
1109 | } else { | |
1110 | spin_unlock_irq(&data->txlock); | |
1111 | data->suspend_count--; | |
1112 | return -EBUSY; | |
1113 | } | |
1114 | ||
6a88adf2 MH |
1115 | cancel_work_sync(&data->work); |
1116 | ||
7bee549e | 1117 | btusb_stop_traffic(data); |
6a88adf2 MH |
1118 | usb_kill_anchored_urbs(&data->tx_anchor); |
1119 | ||
6a88adf2 MH |
1120 | return 0; |
1121 | } | |
1122 | ||
7bee549e ON |
1123 | static void play_deferred(struct btusb_data *data) |
1124 | { | |
1125 | struct urb *urb; | |
1126 | int err; | |
1127 | ||
1128 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1129 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1130 | if (err < 0) | |
1131 | break; | |
1132 | ||
1133 | data->tx_in_flight++; | |
1134 | } | |
1135 | usb_scuttle_anchored_urbs(&data->deferred); | |
1136 | } | |
1137 | ||
6a88adf2 MH |
1138 | static int btusb_resume(struct usb_interface *intf) |
1139 | { | |
1140 | struct btusb_data *data = usb_get_intfdata(intf); | |
1141 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1142 | int err = 0; |
6a88adf2 MH |
1143 | |
1144 | BT_DBG("intf %p", intf); | |
1145 | ||
1146 | if (--data->suspend_count) | |
1147 | return 0; | |
1148 | ||
1149 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1150 | goto done; |
6a88adf2 MH |
1151 | |
1152 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1153 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1154 | if (err < 0) { | |
1155 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1156 | goto failed; |
6a88adf2 MH |
1157 | } |
1158 | } | |
1159 | ||
1160 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1161 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1162 | if (err < 0) { | |
6a88adf2 | 1163 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1164 | goto failed; |
1165 | } | |
1166 | ||
1167 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1168 | } |
1169 | ||
1170 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1171 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1172 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1173 | else | |
1174 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1175 | } | |
1176 | ||
7bee549e ON |
1177 | spin_lock_irq(&data->txlock); |
1178 | play_deferred(data); | |
1179 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1180 | spin_unlock_irq(&data->txlock); | |
1181 | schedule_work(&data->work); | |
1182 | ||
6a88adf2 | 1183 | return 0; |
7bee549e ON |
1184 | |
1185 | failed: | |
1186 | usb_scuttle_anchored_urbs(&data->deferred); | |
1187 | done: | |
1188 | spin_lock_irq(&data->txlock); | |
1189 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1190 | spin_unlock_irq(&data->txlock); | |
1191 | ||
1192 | return err; | |
6a88adf2 | 1193 | } |
7bee549e | 1194 | #endif |
6a88adf2 | 1195 | |
5e23b923 MH |
1196 | static struct usb_driver btusb_driver = { |
1197 | .name = "btusb", | |
1198 | .probe = btusb_probe, | |
1199 | .disconnect = btusb_disconnect, | |
7bee549e | 1200 | #ifdef CONFIG_PM |
6a88adf2 MH |
1201 | .suspend = btusb_suspend, |
1202 | .resume = btusb_resume, | |
7bee549e | 1203 | #endif |
5e23b923 | 1204 | .id_table = btusb_table, |
7bee549e | 1205 | .supports_autosuspend = 1, |
5e23b923 MH |
1206 | }; |
1207 | ||
1208 | static int __init btusb_init(void) | |
1209 | { | |
1210 | BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); | |
1211 | ||
1212 | return usb_register(&btusb_driver); | |
1213 | } | |
1214 | ||
1215 | static void __exit btusb_exit(void) | |
1216 | { | |
1217 | usb_deregister(&btusb_driver); | |
1218 | } | |
1219 | ||
1220 | module_init(btusb_init); | |
1221 | module_exit(btusb_exit); | |
1222 | ||
cfeb4145 MH |
1223 | module_param(ignore_dga, bool, 0644); |
1224 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1225 | ||
1226 | module_param(ignore_csr, bool, 0644); | |
1227 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1228 | ||
1229 | module_param(ignore_sniffer, bool, 0644); | |
1230 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1231 | ||
1232 | module_param(disable_scofix, bool, 0644); | |
1233 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1234 | ||
1235 | module_param(force_scofix, bool, 0644); | |
1236 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1237 | ||
1238 | module_param(reset, bool, 0644); | |
1239 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1240 | ||
5e23b923 MH |
1241 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1242 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1243 | MODULE_VERSION(VERSION); | |
1244 | MODULE_LICENSE("GPL"); |