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Commit | Line | Data |
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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 | ||
c510eae3 ON |
63 | /* Broadcom SoftSailing reporting vendor specific */ |
64 | { USB_DEVICE(0x05ac, 0x21e1) }, | |
65 | ||
3cd01976 NI |
66 | /* Apple MacBookPro 7,1 */ |
67 | { USB_DEVICE(0x05ac, 0x8213) }, | |
68 | ||
0a79f674 CL |
69 | /* Apple iMac11,1 */ |
70 | { USB_DEVICE(0x05ac, 0x8215) }, | |
71 | ||
9c047157 NI |
72 | /* Apple MacBookPro6,2 */ |
73 | { USB_DEVICE(0x05ac, 0x8218) }, | |
74 | ||
3e3ede7d EH |
75 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
76 | { USB_DEVICE(0x05ac, 0x821b) }, | |
77 | ||
a63b723d PAVM |
78 | /* Apple MacBookAir4,1 */ |
79 | { USB_DEVICE(0x05ac, 0x821f) }, | |
80 | ||
88d377b6 MAP |
81 | /* Apple MacBookPro8,2 */ |
82 | { USB_DEVICE(0x05ac, 0x821a) }, | |
83 | ||
f78b6826 JK |
84 | /* Apple MacMini5,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8281) }, | |
86 | ||
cfeb4145 MH |
87 | /* AVM BlueFRITZ! USB v2.0 */ |
88 | { USB_DEVICE(0x057c, 0x3800) }, | |
89 | ||
90 | /* Bluetooth Ultraport Module from IBM */ | |
91 | { USB_DEVICE(0x04bf, 0x030a) }, | |
92 | ||
93 | /* ALPS Modules with non-standard id */ | |
94 | { USB_DEVICE(0x044e, 0x3001) }, | |
95 | { USB_DEVICE(0x044e, 0x3002) }, | |
96 | ||
97 | /* Ericsson with non-standard id */ | |
98 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
99 | ||
100 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 101 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 102 | |
5e23b923 MH |
103 | { } /* Terminating entry */ |
104 | }; | |
105 | ||
106 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
107 | ||
108 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
109 | /* CSR BlueCore devices */ |
110 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
111 | ||
112 | /* Broadcom BCM2033 without firmware */ | |
113 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
114 | ||
be93112a BS |
115 | /* Atheros 3011 with sflash firmware */ |
116 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 117 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 118 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 119 | |
509e7861 CYC |
120 | /* Atheros AR9285 Malbec with sflash firmware */ |
121 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
122 | ||
d9f51b51 | 123 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 124 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 125 | |
e9036e33 CYC |
126 | /* Atheros AR5BBU12 with sflash firmware */ |
127 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
128 | ||
cfeb4145 | 129 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
130 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
131 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
132 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
133 | |
134 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
135 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
136 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 137 | |
cfeb4145 | 138 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
139 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
140 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
141 | |
142 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 143 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
144 | |
145 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 146 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 147 | |
5ddd4a60 | 148 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 149 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 150 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 151 | |
7a9d4020 MH |
152 | /* Belkin F8T012 and F8T013 devices */ |
153 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
154 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 155 | |
5ddd4a60 MH |
156 | /* Asus WL-BTD202 device */ |
157 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
158 | ||
159 | /* Kensington Bluetooth USB adapter */ | |
160 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
161 | ||
cfeb4145 MH |
162 | /* RTX Telecom based adapters with buggy SCO support */ |
163 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
164 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
165 | ||
166 | /* CONWISE Technology based adapters with buggy SCO support */ | |
167 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
168 | ||
cfeb4145 MH |
169 | /* Digianswer devices */ |
170 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
171 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
172 | ||
173 | /* CSR BlueCore Bluetooth Sniffer */ | |
174 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
175 | ||
176 | /* Frontline ComProbe Bluetooth Sniffer */ | |
177 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
178 | ||
5e23b923 MH |
179 | { } /* Terminating entry */ |
180 | }; | |
181 | ||
9bfa35fe MH |
182 | #define BTUSB_MAX_ISOC_FRAMES 10 |
183 | ||
5e23b923 MH |
184 | #define BTUSB_INTR_RUNNING 0 |
185 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 186 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 187 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 188 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
189 | |
190 | struct btusb_data { | |
191 | struct hci_dev *hdev; | |
192 | struct usb_device *udev; | |
5fbcd260 | 193 | struct usb_interface *intf; |
9bfa35fe | 194 | struct usb_interface *isoc; |
5e23b923 MH |
195 | |
196 | spinlock_t lock; | |
197 | ||
198 | unsigned long flags; | |
199 | ||
200 | struct work_struct work; | |
7bee549e | 201 | struct work_struct waker; |
5e23b923 MH |
202 | |
203 | struct usb_anchor tx_anchor; | |
204 | struct usb_anchor intr_anchor; | |
205 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 206 | struct usb_anchor isoc_anchor; |
7bee549e ON |
207 | struct usb_anchor deferred; |
208 | int tx_in_flight; | |
209 | spinlock_t txlock; | |
5e23b923 MH |
210 | |
211 | struct usb_endpoint_descriptor *intr_ep; | |
212 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
213 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
214 | struct usb_endpoint_descriptor *isoc_tx_ep; |
215 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
216 | ||
7a9d4020 MH |
217 | __u8 cmdreq_type; |
218 | ||
43c2e57f | 219 | unsigned int sco_num; |
9bfa35fe | 220 | int isoc_altsetting; |
6a88adf2 | 221 | int suspend_count; |
5e23b923 MH |
222 | }; |
223 | ||
7bee549e ON |
224 | static int inc_tx(struct btusb_data *data) |
225 | { | |
226 | unsigned long flags; | |
227 | int rv; | |
228 | ||
229 | spin_lock_irqsave(&data->txlock, flags); | |
230 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
231 | if (!rv) | |
232 | data->tx_in_flight++; | |
233 | spin_unlock_irqrestore(&data->txlock, flags); | |
234 | ||
235 | return rv; | |
236 | } | |
237 | ||
5e23b923 MH |
238 | static void btusb_intr_complete(struct urb *urb) |
239 | { | |
240 | struct hci_dev *hdev = urb->context; | |
241 | struct btusb_data *data = hdev->driver_data; | |
242 | int err; | |
243 | ||
244 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
245 | urb, urb->status, urb->actual_length); | |
246 | ||
247 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
248 | return; | |
249 | ||
250 | if (urb->status == 0) { | |
9bfa35fe MH |
251 | hdev->stat.byte_rx += urb->actual_length; |
252 | ||
5e23b923 MH |
253 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
254 | urb->transfer_buffer, | |
255 | urb->actual_length) < 0) { | |
256 | BT_ERR("%s corrupted event packet", hdev->name); | |
257 | hdev->stat.err_rx++; | |
258 | } | |
259 | } | |
260 | ||
261 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
262 | return; | |
263 | ||
7bee549e | 264 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
265 | usb_anchor_urb(urb, &data->intr_anchor); |
266 | ||
267 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
268 | if (err < 0) { | |
4935f1c1 PB |
269 | /* -EPERM: urb is being killed; |
270 | * -ENODEV: device got disconnected */ | |
271 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 272 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
273 | hdev->name, urb, -err); |
274 | usb_unanchor_urb(urb); | |
275 | } | |
276 | } | |
277 | ||
2eda66f4 | 278 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
279 | { |
280 | struct btusb_data *data = hdev->driver_data; | |
281 | struct urb *urb; | |
282 | unsigned char *buf; | |
283 | unsigned int pipe; | |
284 | int err, size; | |
285 | ||
286 | BT_DBG("%s", hdev->name); | |
287 | ||
9bfa35fe MH |
288 | if (!data->intr_ep) |
289 | return -ENODEV; | |
290 | ||
2eda66f4 | 291 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
292 | if (!urb) |
293 | return -ENOMEM; | |
294 | ||
295 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
296 | ||
2eda66f4 | 297 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
298 | if (!buf) { |
299 | usb_free_urb(urb); | |
300 | return -ENOMEM; | |
301 | } | |
302 | ||
303 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
304 | ||
305 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
306 | btusb_intr_complete, hdev, | |
307 | data->intr_ep->bInterval); | |
308 | ||
309 | urb->transfer_flags |= URB_FREE_BUFFER; | |
310 | ||
311 | usb_anchor_urb(urb, &data->intr_anchor); | |
312 | ||
2eda66f4 | 313 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
314 | if (err < 0) { |
315 | BT_ERR("%s urb %p submission failed (%d)", | |
316 | hdev->name, urb, -err); | |
317 | usb_unanchor_urb(urb); | |
5e23b923 MH |
318 | } |
319 | ||
320 | usb_free_urb(urb); | |
321 | ||
322 | return err; | |
323 | } | |
324 | ||
325 | static void btusb_bulk_complete(struct urb *urb) | |
326 | { | |
327 | struct hci_dev *hdev = urb->context; | |
328 | struct btusb_data *data = hdev->driver_data; | |
329 | int err; | |
330 | ||
331 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
332 | urb, urb->status, urb->actual_length); | |
333 | ||
334 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
335 | return; | |
336 | ||
337 | if (urb->status == 0) { | |
9bfa35fe MH |
338 | hdev->stat.byte_rx += urb->actual_length; |
339 | ||
5e23b923 MH |
340 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
341 | urb->transfer_buffer, | |
342 | urb->actual_length) < 0) { | |
343 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
344 | hdev->stat.err_rx++; | |
345 | } | |
346 | } | |
347 | ||
348 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
349 | return; | |
350 | ||
351 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 352 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
353 | |
354 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
355 | if (err < 0) { | |
4935f1c1 PB |
356 | /* -EPERM: urb is being killed; |
357 | * -ENODEV: device got disconnected */ | |
358 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 359 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
360 | hdev->name, urb, -err); |
361 | usb_unanchor_urb(urb); | |
362 | } | |
363 | } | |
364 | ||
2eda66f4 | 365 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
366 | { |
367 | struct btusb_data *data = hdev->driver_data; | |
368 | struct urb *urb; | |
369 | unsigned char *buf; | |
370 | unsigned int pipe; | |
290ba200 | 371 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
372 | |
373 | BT_DBG("%s", hdev->name); | |
374 | ||
9bfa35fe MH |
375 | if (!data->bulk_rx_ep) |
376 | return -ENODEV; | |
377 | ||
2eda66f4 | 378 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
379 | if (!urb) |
380 | return -ENOMEM; | |
381 | ||
2eda66f4 | 382 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
383 | if (!buf) { |
384 | usb_free_urb(urb); | |
385 | return -ENOMEM; | |
386 | } | |
387 | ||
388 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
389 | ||
390 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
391 | buf, size, btusb_bulk_complete, hdev); | |
392 | ||
393 | urb->transfer_flags |= URB_FREE_BUFFER; | |
394 | ||
7bee549e | 395 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
396 | usb_anchor_urb(urb, &data->bulk_anchor); |
397 | ||
2eda66f4 | 398 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
399 | if (err < 0) { |
400 | BT_ERR("%s urb %p submission failed (%d)", | |
401 | hdev->name, urb, -err); | |
402 | usb_unanchor_urb(urb); | |
5e23b923 MH |
403 | } |
404 | ||
405 | usb_free_urb(urb); | |
406 | ||
407 | return err; | |
408 | } | |
409 | ||
9bfa35fe MH |
410 | static void btusb_isoc_complete(struct urb *urb) |
411 | { | |
412 | struct hci_dev *hdev = urb->context; | |
413 | struct btusb_data *data = hdev->driver_data; | |
414 | int i, err; | |
415 | ||
416 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
417 | urb, urb->status, urb->actual_length); | |
418 | ||
419 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
420 | return; | |
421 | ||
422 | if (urb->status == 0) { | |
423 | for (i = 0; i < urb->number_of_packets; i++) { | |
424 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
425 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
426 | ||
427 | if (urb->iso_frame_desc[i].status) | |
428 | continue; | |
429 | ||
430 | hdev->stat.byte_rx += length; | |
431 | ||
432 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
433 | urb->transfer_buffer + offset, | |
434 | length) < 0) { | |
435 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
436 | hdev->stat.err_rx++; | |
437 | } | |
438 | } | |
439 | } | |
440 | ||
441 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
442 | return; | |
443 | ||
444 | usb_anchor_urb(urb, &data->isoc_anchor); | |
445 | ||
446 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
447 | if (err < 0) { | |
4935f1c1 PB |
448 | /* -EPERM: urb is being killed; |
449 | * -ENODEV: device got disconnected */ | |
450 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 451 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
452 | hdev->name, urb, -err); |
453 | usb_unanchor_urb(urb); | |
454 | } | |
455 | } | |
456 | ||
42b16b3f | 457 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
458 | { |
459 | int i, offset = 0; | |
460 | ||
461 | BT_DBG("len %d mtu %d", len, mtu); | |
462 | ||
463 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
464 | i++, offset += mtu, len -= mtu) { | |
465 | urb->iso_frame_desc[i].offset = offset; | |
466 | urb->iso_frame_desc[i].length = mtu; | |
467 | } | |
468 | ||
469 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
470 | urb->iso_frame_desc[i].offset = offset; | |
471 | urb->iso_frame_desc[i].length = len; | |
472 | i++; | |
473 | } | |
474 | ||
475 | urb->number_of_packets = i; | |
476 | } | |
477 | ||
2eda66f4 | 478 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe MH |
479 | { |
480 | struct btusb_data *data = hdev->driver_data; | |
481 | struct urb *urb; | |
482 | unsigned char *buf; | |
483 | unsigned int pipe; | |
484 | int err, size; | |
485 | ||
486 | BT_DBG("%s", hdev->name); | |
487 | ||
488 | if (!data->isoc_rx_ep) | |
489 | return -ENODEV; | |
490 | ||
2eda66f4 | 491 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
492 | if (!urb) |
493 | return -ENOMEM; | |
494 | ||
495 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
496 | BTUSB_MAX_ISOC_FRAMES; | |
497 | ||
2eda66f4 | 498 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
499 | if (!buf) { |
500 | usb_free_urb(urb); | |
501 | return -ENOMEM; | |
502 | } | |
503 | ||
504 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
505 | ||
506 | urb->dev = data->udev; | |
507 | urb->pipe = pipe; | |
508 | urb->context = hdev; | |
509 | urb->complete = btusb_isoc_complete; | |
510 | urb->interval = data->isoc_rx_ep->bInterval; | |
511 | ||
512 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
513 | urb->transfer_buffer = buf; | |
514 | urb->transfer_buffer_length = size; | |
515 | ||
516 | __fill_isoc_descriptor(urb, size, | |
517 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
518 | ||
519 | usb_anchor_urb(urb, &data->isoc_anchor); | |
520 | ||
2eda66f4 | 521 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe MH |
522 | if (err < 0) { |
523 | BT_ERR("%s urb %p submission failed (%d)", | |
524 | hdev->name, urb, -err); | |
525 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
526 | } |
527 | ||
528 | usb_free_urb(urb); | |
529 | ||
530 | return err; | |
531 | } | |
532 | ||
5e23b923 | 533 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
534 | { |
535 | struct sk_buff *skb = urb->context; | |
536 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
537 | struct btusb_data *data = hdev->driver_data; | |
538 | ||
539 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
540 | urb, urb->status, urb->actual_length); | |
541 | ||
542 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
543 | goto done; | |
544 | ||
545 | if (!urb->status) | |
546 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
547 | else | |
548 | hdev->stat.err_tx++; | |
549 | ||
550 | done: | |
551 | spin_lock(&data->txlock); | |
552 | data->tx_in_flight--; | |
553 | spin_unlock(&data->txlock); | |
554 | ||
555 | kfree(urb->setup_packet); | |
556 | ||
557 | kfree_skb(skb); | |
558 | } | |
559 | ||
560 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
561 | { |
562 | struct sk_buff *skb = urb->context; | |
563 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
564 | ||
565 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
566 | urb, urb->status, urb->actual_length); | |
567 | ||
568 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
569 | goto done; | |
570 | ||
571 | if (!urb->status) | |
572 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
573 | else | |
574 | hdev->stat.err_tx++; | |
575 | ||
576 | done: | |
577 | kfree(urb->setup_packet); | |
578 | ||
579 | kfree_skb(skb); | |
580 | } | |
581 | ||
582 | static int btusb_open(struct hci_dev *hdev) | |
583 | { | |
584 | struct btusb_data *data = hdev->driver_data; | |
585 | int err; | |
586 | ||
587 | BT_DBG("%s", hdev->name); | |
588 | ||
7bee549e ON |
589 | err = usb_autopm_get_interface(data->intf); |
590 | if (err < 0) | |
591 | return err; | |
592 | ||
593 | data->intf->needs_remote_wakeup = 1; | |
594 | ||
5e23b923 | 595 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 596 | goto done; |
5e23b923 MH |
597 | |
598 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 599 | goto done; |
5e23b923 | 600 | |
2eda66f4 | 601 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
602 | if (err < 0) |
603 | goto failed; | |
604 | ||
605 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 606 | if (err < 0) { |
43c2e57f MH |
607 | usb_kill_anchored_urbs(&data->intr_anchor); |
608 | goto failed; | |
5e23b923 MH |
609 | } |
610 | ||
43c2e57f MH |
611 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
612 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
613 | ||
7bee549e ON |
614 | done: |
615 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
616 | return 0; |
617 | ||
618 | failed: | |
619 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
620 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 621 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
622 | return err; |
623 | } | |
624 | ||
7bee549e ON |
625 | static void btusb_stop_traffic(struct btusb_data *data) |
626 | { | |
627 | usb_kill_anchored_urbs(&data->intr_anchor); | |
628 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
629 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
630 | } | |
631 | ||
5e23b923 MH |
632 | static int btusb_close(struct hci_dev *hdev) |
633 | { | |
634 | struct btusb_data *data = hdev->driver_data; | |
7bee549e | 635 | int err; |
5e23b923 MH |
636 | |
637 | BT_DBG("%s", hdev->name); | |
638 | ||
639 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
640 | return 0; | |
641 | ||
e8c3c3d2 | 642 | cancel_work_sync(&data->work); |
404291ac | 643 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 644 | |
9bfa35fe | 645 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 646 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 647 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
648 | |
649 | btusb_stop_traffic(data); | |
650 | err = usb_autopm_get_interface(data->intf); | |
651 | if (err < 0) | |
7b8e2c1d | 652 | goto failed; |
7bee549e ON |
653 | |
654 | data->intf->needs_remote_wakeup = 0; | |
655 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 656 | |
7b8e2c1d ON |
657 | failed: |
658 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
659 | return 0; |
660 | } | |
661 | ||
662 | static int btusb_flush(struct hci_dev *hdev) | |
663 | { | |
664 | struct btusb_data *data = hdev->driver_data; | |
665 | ||
666 | BT_DBG("%s", hdev->name); | |
667 | ||
668 | usb_kill_anchored_urbs(&data->tx_anchor); | |
669 | ||
670 | return 0; | |
671 | } | |
672 | ||
673 | static int btusb_send_frame(struct sk_buff *skb) | |
674 | { | |
675 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
676 | struct btusb_data *data = hdev->driver_data; | |
677 | struct usb_ctrlrequest *dr; | |
678 | struct urb *urb; | |
679 | unsigned int pipe; | |
680 | int err; | |
681 | ||
682 | BT_DBG("%s", hdev->name); | |
683 | ||
684 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
685 | return -EBUSY; | |
686 | ||
687 | switch (bt_cb(skb)->pkt_type) { | |
688 | case HCI_COMMAND_PKT: | |
689 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
690 | if (!urb) | |
691 | return -ENOMEM; | |
692 | ||
693 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
694 | if (!dr) { | |
695 | usb_free_urb(urb); | |
696 | return -ENOMEM; | |
697 | } | |
698 | ||
7a9d4020 | 699 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
700 | dr->bRequest = 0; |
701 | dr->wIndex = 0; | |
702 | dr->wValue = 0; | |
703 | dr->wLength = __cpu_to_le16(skb->len); | |
704 | ||
705 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
706 | ||
707 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
708 | skb->data, skb->len, btusb_tx_complete, skb); | |
709 | ||
710 | hdev->stat.cmd_tx++; | |
711 | break; | |
712 | ||
713 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 714 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
715 | return -ENODEV; |
716 | ||
5e23b923 MH |
717 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
718 | if (!urb) | |
719 | return -ENOMEM; | |
720 | ||
721 | pipe = usb_sndbulkpipe(data->udev, | |
722 | data->bulk_tx_ep->bEndpointAddress); | |
723 | ||
724 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
725 | skb->data, skb->len, btusb_tx_complete, skb); | |
726 | ||
727 | hdev->stat.acl_tx++; | |
728 | break; | |
729 | ||
730 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
731 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
732 | return -ENODEV; | |
733 | ||
734 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
735 | if (!urb) | |
736 | return -ENOMEM; | |
737 | ||
738 | pipe = usb_sndisocpipe(data->udev, | |
739 | data->isoc_tx_ep->bEndpointAddress); | |
740 | ||
03c2d0e8 GP |
741 | usb_fill_int_urb(urb, data->udev, pipe, |
742 | skb->data, skb->len, btusb_isoc_tx_complete, | |
743 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
744 | |
745 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
746 | |
747 | __fill_isoc_descriptor(urb, skb->len, | |
748 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
749 | ||
5e23b923 | 750 | hdev->stat.sco_tx++; |
7bee549e | 751 | goto skip_waking; |
5e23b923 MH |
752 | |
753 | default: | |
754 | return -EILSEQ; | |
755 | } | |
756 | ||
7bee549e ON |
757 | err = inc_tx(data); |
758 | if (err) { | |
759 | usb_anchor_urb(urb, &data->deferred); | |
760 | schedule_work(&data->waker); | |
761 | err = 0; | |
762 | goto done; | |
763 | } | |
764 | ||
765 | skip_waking: | |
5e23b923 MH |
766 | usb_anchor_urb(urb, &data->tx_anchor); |
767 | ||
768 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
769 | if (err < 0) { | |
5a9b80e2 PB |
770 | if (err != -EPERM && err != -ENODEV) |
771 | BT_ERR("%s urb %p submission failed (%d)", | |
772 | hdev->name, urb, -err); | |
5e23b923 MH |
773 | kfree(urb->setup_packet); |
774 | usb_unanchor_urb(urb); | |
7bee549e ON |
775 | } else { |
776 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
777 | } |
778 | ||
779 | usb_free_urb(urb); | |
780 | ||
7bee549e | 781 | done: |
5e23b923 MH |
782 | return err; |
783 | } | |
784 | ||
785 | static void btusb_destruct(struct hci_dev *hdev) | |
786 | { | |
787 | struct btusb_data *data = hdev->driver_data; | |
788 | ||
789 | BT_DBG("%s", hdev->name); | |
790 | ||
791 | kfree(data); | |
792 | } | |
793 | ||
794 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) | |
795 | { | |
796 | struct btusb_data *data = hdev->driver_data; | |
797 | ||
798 | BT_DBG("%s evt %d", hdev->name, evt); | |
799 | ||
43c2e57f MH |
800 | if (hdev->conn_hash.sco_num != data->sco_num) { |
801 | data->sco_num = hdev->conn_hash.sco_num; | |
802 | schedule_work(&data->work); | |
a780efa8 | 803 | } |
5e23b923 MH |
804 | } |
805 | ||
42b16b3f | 806 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe MH |
807 | { |
808 | struct btusb_data *data = hdev->driver_data; | |
809 | struct usb_interface *intf = data->isoc; | |
810 | struct usb_endpoint_descriptor *ep_desc; | |
811 | int i, err; | |
812 | ||
813 | if (!data->isoc) | |
814 | return -ENODEV; | |
815 | ||
816 | err = usb_set_interface(data->udev, 1, altsetting); | |
817 | if (err < 0) { | |
818 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
819 | return err; | |
820 | } | |
821 | ||
822 | data->isoc_altsetting = altsetting; | |
823 | ||
824 | data->isoc_tx_ep = NULL; | |
825 | data->isoc_rx_ep = NULL; | |
826 | ||
827 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
828 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
829 | ||
830 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
831 | data->isoc_tx_ep = ep_desc; | |
832 | continue; | |
833 | } | |
834 | ||
835 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
836 | data->isoc_rx_ep = ep_desc; | |
837 | continue; | |
838 | } | |
839 | } | |
840 | ||
841 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
842 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
843 | return -ENODEV; | |
844 | } | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
5e23b923 MH |
849 | static void btusb_work(struct work_struct *work) |
850 | { | |
851 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
852 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 853 | int err; |
5e23b923 | 854 | |
9bfa35fe | 855 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 856 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 857 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
858 | if (err < 0) { |
859 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
860 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
861 | return; | |
862 | } | |
863 | ||
08b8b6c4 | 864 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 865 | } |
9bfa35fe MH |
866 | if (data->isoc_altsetting != 2) { |
867 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
868 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
869 | ||
870 | if (__set_isoc_interface(hdev, 2) < 0) | |
871 | return; | |
872 | } | |
873 | ||
874 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 875 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
876 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
877 | else | |
2eda66f4 | 878 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
879 | } |
880 | } else { | |
881 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
882 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
883 | ||
884 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 885 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 886 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
887 | } |
888 | } | |
889 | ||
7bee549e ON |
890 | static void btusb_waker(struct work_struct *work) |
891 | { | |
892 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
893 | int err; | |
894 | ||
895 | err = usb_autopm_get_interface(data->intf); | |
896 | if (err < 0) | |
897 | return; | |
898 | ||
899 | usb_autopm_put_interface(data->intf); | |
900 | } | |
901 | ||
5e23b923 MH |
902 | static int btusb_probe(struct usb_interface *intf, |
903 | const struct usb_device_id *id) | |
904 | { | |
905 | struct usb_endpoint_descriptor *ep_desc; | |
906 | struct btusb_data *data; | |
907 | struct hci_dev *hdev; | |
908 | int i, err; | |
909 | ||
910 | BT_DBG("intf %p id %p", intf, id); | |
911 | ||
cfeb4145 | 912 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
913 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
914 | return -ENODEV; | |
915 | ||
916 | if (!id->driver_info) { | |
917 | const struct usb_device_id *match; | |
918 | match = usb_match_id(intf, blacklist_table); | |
919 | if (match) | |
920 | id = match; | |
921 | } | |
922 | ||
cfeb4145 MH |
923 | if (id->driver_info == BTUSB_IGNORE) |
924 | return -ENODEV; | |
925 | ||
926 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
927 | return -ENODEV; | |
928 | ||
929 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
930 | return -ENODEV; | |
931 | ||
932 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
933 | return -ENODEV; | |
934 | ||
2d25f8b4 SL |
935 | if (id->driver_info & BTUSB_ATH3012) { |
936 | struct usb_device *udev = interface_to_usbdev(intf); | |
937 | ||
938 | /* Old firmware would otherwise let ath3k driver load | |
939 | * patch and sysconfig files */ | |
940 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
941 | return -ENODEV; | |
942 | } | |
943 | ||
5e23b923 MH |
944 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
945 | if (!data) | |
946 | return -ENOMEM; | |
947 | ||
948 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
949 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
950 | ||
951 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
952 | data->intr_ep = ep_desc; | |
953 | continue; | |
954 | } | |
955 | ||
956 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
957 | data->bulk_tx_ep = ep_desc; | |
958 | continue; | |
959 | } | |
960 | ||
961 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
962 | data->bulk_rx_ep = ep_desc; | |
963 | continue; | |
964 | } | |
965 | } | |
966 | ||
967 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
968 | kfree(data); | |
969 | return -ENODEV; | |
970 | } | |
971 | ||
7a9d4020 MH |
972 | data->cmdreq_type = USB_TYPE_CLASS; |
973 | ||
5e23b923 | 974 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 975 | data->intf = intf; |
5e23b923 MH |
976 | |
977 | spin_lock_init(&data->lock); | |
978 | ||
979 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
980 | INIT_WORK(&data->waker, btusb_waker); |
981 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
982 | |
983 | init_usb_anchor(&data->tx_anchor); | |
984 | init_usb_anchor(&data->intr_anchor); | |
985 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 986 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 987 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
988 | |
989 | hdev = hci_alloc_dev(); | |
990 | if (!hdev) { | |
991 | kfree(data); | |
992 | return -ENOMEM; | |
993 | } | |
994 | ||
c13854ce | 995 | hdev->bus = HCI_USB; |
5e23b923 MH |
996 | hdev->driver_data = data; |
997 | ||
998 | data->hdev = hdev; | |
999 | ||
1000 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1001 | ||
1002 | hdev->open = btusb_open; | |
1003 | hdev->close = btusb_close; | |
1004 | hdev->flush = btusb_flush; | |
1005 | hdev->send = btusb_send_frame; | |
1006 | hdev->destruct = btusb_destruct; | |
1007 | hdev->notify = btusb_notify; | |
1008 | ||
1009 | hdev->owner = THIS_MODULE; | |
1010 | ||
7a9d4020 | 1011 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1012 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1013 | ||
7a9d4020 MH |
1014 | if (!reset) |
1015 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1016 | |
1017 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1018 | if (!disable_scofix) | |
1019 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1020 | } | |
1021 | ||
9bfa35fe MH |
1022 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1023 | data->isoc = NULL; | |
1024 | ||
7a9d4020 MH |
1025 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1026 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1027 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1028 | } | |
1029 | ||
1030 | if (id->driver_info & BTUSB_CSR) { | |
1031 | struct usb_device *udev = data->udev; | |
1032 | ||
1033 | /* Old firmware would otherwise execute USB reset */ | |
1034 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1035 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1036 | } | |
1037 | ||
cfeb4145 | 1038 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1039 | struct usb_device *udev = data->udev; |
cfeb4145 | 1040 | |
7a9d4020 | 1041 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1042 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1043 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1044 | |
1045 | data->isoc = NULL; | |
cfeb4145 MH |
1046 | } |
1047 | ||
1048 | if (id->driver_info & BTUSB_BCM92035) { | |
1049 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1050 | struct sk_buff *skb; | |
1051 | ||
1052 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1053 | if (skb) { | |
1054 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1055 | skb_queue_tail(&hdev->driver_init, skb); | |
1056 | } | |
1057 | } | |
5e23b923 | 1058 | |
9bfa35fe MH |
1059 | if (data->isoc) { |
1060 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1061 | data->isoc, data); |
9bfa35fe MH |
1062 | if (err < 0) { |
1063 | hci_free_dev(hdev); | |
1064 | kfree(data); | |
1065 | return err; | |
1066 | } | |
1067 | } | |
1068 | ||
5e23b923 MH |
1069 | err = hci_register_dev(hdev); |
1070 | if (err < 0) { | |
1071 | hci_free_dev(hdev); | |
1072 | kfree(data); | |
1073 | return err; | |
1074 | } | |
1075 | ||
1076 | usb_set_intfdata(intf, data); | |
1077 | ||
1078 | return 0; | |
1079 | } | |
1080 | ||
1081 | static void btusb_disconnect(struct usb_interface *intf) | |
1082 | { | |
1083 | struct btusb_data *data = usb_get_intfdata(intf); | |
1084 | struct hci_dev *hdev; | |
1085 | ||
1086 | BT_DBG("intf %p", intf); | |
1087 | ||
1088 | if (!data) | |
1089 | return; | |
1090 | ||
1091 | hdev = data->hdev; | |
1092 | ||
5fbcd260 | 1093 | __hci_dev_hold(hdev); |
9bfa35fe | 1094 | |
5fbcd260 MH |
1095 | usb_set_intfdata(data->intf, NULL); |
1096 | ||
1097 | if (data->isoc) | |
1098 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1099 | |
1100 | hci_unregister_dev(hdev); | |
1101 | ||
5fbcd260 MH |
1102 | if (intf == data->isoc) |
1103 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1104 | else if (data->isoc) | |
1105 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1106 | ||
1107 | __hci_dev_put(hdev); | |
1108 | ||
5e23b923 MH |
1109 | hci_free_dev(hdev); |
1110 | } | |
1111 | ||
7bee549e | 1112 | #ifdef CONFIG_PM |
6a88adf2 MH |
1113 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1114 | { | |
1115 | struct btusb_data *data = usb_get_intfdata(intf); | |
1116 | ||
1117 | BT_DBG("intf %p", intf); | |
1118 | ||
1119 | if (data->suspend_count++) | |
1120 | return 0; | |
1121 | ||
7bee549e | 1122 | spin_lock_irq(&data->txlock); |
fb34d537 | 1123 | if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) { |
7bee549e ON |
1124 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1125 | spin_unlock_irq(&data->txlock); | |
1126 | } else { | |
1127 | spin_unlock_irq(&data->txlock); | |
1128 | data->suspend_count--; | |
1129 | return -EBUSY; | |
1130 | } | |
1131 | ||
6a88adf2 MH |
1132 | cancel_work_sync(&data->work); |
1133 | ||
7bee549e | 1134 | btusb_stop_traffic(data); |
6a88adf2 MH |
1135 | usb_kill_anchored_urbs(&data->tx_anchor); |
1136 | ||
6a88adf2 MH |
1137 | return 0; |
1138 | } | |
1139 | ||
7bee549e ON |
1140 | static void play_deferred(struct btusb_data *data) |
1141 | { | |
1142 | struct urb *urb; | |
1143 | int err; | |
1144 | ||
1145 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1146 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1147 | if (err < 0) | |
1148 | break; | |
1149 | ||
1150 | data->tx_in_flight++; | |
1151 | } | |
1152 | usb_scuttle_anchored_urbs(&data->deferred); | |
1153 | } | |
1154 | ||
6a88adf2 MH |
1155 | static int btusb_resume(struct usb_interface *intf) |
1156 | { | |
1157 | struct btusb_data *data = usb_get_intfdata(intf); | |
1158 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1159 | int err = 0; |
6a88adf2 MH |
1160 | |
1161 | BT_DBG("intf %p", intf); | |
1162 | ||
1163 | if (--data->suspend_count) | |
1164 | return 0; | |
1165 | ||
1166 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1167 | goto done; |
6a88adf2 MH |
1168 | |
1169 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1170 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1171 | if (err < 0) { | |
1172 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1173 | goto failed; |
6a88adf2 MH |
1174 | } |
1175 | } | |
1176 | ||
1177 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1178 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1179 | if (err < 0) { | |
6a88adf2 | 1180 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1181 | goto failed; |
1182 | } | |
1183 | ||
1184 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1185 | } |
1186 | ||
1187 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1188 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1189 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1190 | else | |
1191 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1192 | } | |
1193 | ||
7bee549e ON |
1194 | spin_lock_irq(&data->txlock); |
1195 | play_deferred(data); | |
1196 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1197 | spin_unlock_irq(&data->txlock); | |
1198 | schedule_work(&data->work); | |
1199 | ||
6a88adf2 | 1200 | return 0; |
7bee549e ON |
1201 | |
1202 | failed: | |
1203 | usb_scuttle_anchored_urbs(&data->deferred); | |
1204 | done: | |
1205 | spin_lock_irq(&data->txlock); | |
1206 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1207 | spin_unlock_irq(&data->txlock); | |
1208 | ||
1209 | return err; | |
6a88adf2 | 1210 | } |
7bee549e | 1211 | #endif |
6a88adf2 | 1212 | |
5e23b923 MH |
1213 | static struct usb_driver btusb_driver = { |
1214 | .name = "btusb", | |
1215 | .probe = btusb_probe, | |
1216 | .disconnect = btusb_disconnect, | |
7bee549e | 1217 | #ifdef CONFIG_PM |
6a88adf2 MH |
1218 | .suspend = btusb_suspend, |
1219 | .resume = btusb_resume, | |
7bee549e | 1220 | #endif |
5e23b923 | 1221 | .id_table = btusb_table, |
7bee549e | 1222 | .supports_autosuspend = 1, |
5e23b923 MH |
1223 | }; |
1224 | ||
1225 | static int __init btusb_init(void) | |
1226 | { | |
1227 | BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); | |
1228 | ||
1229 | return usb_register(&btusb_driver); | |
1230 | } | |
1231 | ||
1232 | static void __exit btusb_exit(void) | |
1233 | { | |
1234 | usb_deregister(&btusb_driver); | |
1235 | } | |
1236 | ||
1237 | module_init(btusb_init); | |
1238 | module_exit(btusb_exit); | |
1239 | ||
cfeb4145 MH |
1240 | module_param(ignore_dga, bool, 0644); |
1241 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1242 | ||
1243 | module_param(ignore_csr, bool, 0644); | |
1244 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1245 | ||
1246 | module_param(ignore_sniffer, bool, 0644); | |
1247 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1248 | ||
1249 | module_param(disable_scofix, bool, 0644); | |
1250 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1251 | ||
1252 | module_param(force_scofix, bool, 0644); | |
1253 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1254 | ||
1255 | module_param(reset, bool, 0644); | |
1256 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1257 | ||
5e23b923 MH |
1258 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1259 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1260 | MODULE_VERSION(VERSION); | |
1261 | MODULE_LICENSE("GPL"); |