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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 | |
d13431ca | 103 | /* Broadcom BCM20702A0 */ |
c0190925 | 104 | { USB_DEVICE(0x0a5c, 0x21e3) }, |
d13431ca WJS |
105 | { USB_DEVICE(0x413c, 0x8197) }, |
106 | ||
5e23b923 MH |
107 | { } /* Terminating entry */ |
108 | }; | |
109 | ||
110 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
111 | ||
112 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
113 | /* CSR BlueCore devices */ |
114 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
115 | ||
116 | /* Broadcom BCM2033 without firmware */ | |
117 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
118 | ||
be93112a BS |
119 | /* Atheros 3011 with sflash firmware */ |
120 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 121 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 122 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 123 | |
509e7861 CYC |
124 | /* Atheros AR9285 Malbec with sflash firmware */ |
125 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
126 | ||
d9f51b51 | 127 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 128 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 129 | |
e9036e33 CYC |
130 | /* Atheros AR5BBU12 with sflash firmware */ |
131 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
132 | ||
cfeb4145 | 133 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
134 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
135 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
136 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
137 | |
138 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
139 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
140 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 141 | |
cfeb4145 | 142 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
143 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
144 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
145 | |
146 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 147 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
148 | |
149 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 150 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 151 | |
5ddd4a60 | 152 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 153 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 154 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 155 | |
7a9d4020 MH |
156 | /* Belkin F8T012 and F8T013 devices */ |
157 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
158 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 159 | |
5ddd4a60 MH |
160 | /* Asus WL-BTD202 device */ |
161 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
162 | ||
163 | /* Kensington Bluetooth USB adapter */ | |
164 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
165 | ||
cfeb4145 MH |
166 | /* RTX Telecom based adapters with buggy SCO support */ |
167 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
168 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
169 | ||
170 | /* CONWISE Technology based adapters with buggy SCO support */ | |
171 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
172 | ||
cfeb4145 MH |
173 | /* Digianswer devices */ |
174 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
175 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
176 | ||
177 | /* CSR BlueCore Bluetooth Sniffer */ | |
178 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
179 | ||
180 | /* Frontline ComProbe Bluetooth Sniffer */ | |
181 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
182 | ||
5e23b923 MH |
183 | { } /* Terminating entry */ |
184 | }; | |
185 | ||
9bfa35fe MH |
186 | #define BTUSB_MAX_ISOC_FRAMES 10 |
187 | ||
5e23b923 MH |
188 | #define BTUSB_INTR_RUNNING 0 |
189 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 190 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 191 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 192 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
193 | |
194 | struct btusb_data { | |
195 | struct hci_dev *hdev; | |
196 | struct usb_device *udev; | |
5fbcd260 | 197 | struct usb_interface *intf; |
9bfa35fe | 198 | struct usb_interface *isoc; |
5e23b923 MH |
199 | |
200 | spinlock_t lock; | |
201 | ||
202 | unsigned long flags; | |
203 | ||
204 | struct work_struct work; | |
7bee549e | 205 | struct work_struct waker; |
5e23b923 MH |
206 | |
207 | struct usb_anchor tx_anchor; | |
208 | struct usb_anchor intr_anchor; | |
209 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 210 | struct usb_anchor isoc_anchor; |
7bee549e ON |
211 | struct usb_anchor deferred; |
212 | int tx_in_flight; | |
213 | spinlock_t txlock; | |
5e23b923 MH |
214 | |
215 | struct usb_endpoint_descriptor *intr_ep; | |
216 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
217 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
218 | struct usb_endpoint_descriptor *isoc_tx_ep; |
219 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
220 | ||
7a9d4020 MH |
221 | __u8 cmdreq_type; |
222 | ||
43c2e57f | 223 | unsigned int sco_num; |
9bfa35fe | 224 | int isoc_altsetting; |
6a88adf2 | 225 | int suspend_count; |
5e23b923 MH |
226 | }; |
227 | ||
7bee549e ON |
228 | static int inc_tx(struct btusb_data *data) |
229 | { | |
230 | unsigned long flags; | |
231 | int rv; | |
232 | ||
233 | spin_lock_irqsave(&data->txlock, flags); | |
234 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
235 | if (!rv) | |
236 | data->tx_in_flight++; | |
237 | spin_unlock_irqrestore(&data->txlock, flags); | |
238 | ||
239 | return rv; | |
240 | } | |
241 | ||
5e23b923 MH |
242 | static void btusb_intr_complete(struct urb *urb) |
243 | { | |
244 | struct hci_dev *hdev = urb->context; | |
245 | struct btusb_data *data = hdev->driver_data; | |
246 | int err; | |
247 | ||
248 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
249 | urb, urb->status, urb->actual_length); | |
250 | ||
251 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
252 | return; | |
253 | ||
254 | if (urb->status == 0) { | |
9bfa35fe MH |
255 | hdev->stat.byte_rx += urb->actual_length; |
256 | ||
5e23b923 MH |
257 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
258 | urb->transfer_buffer, | |
259 | urb->actual_length) < 0) { | |
260 | BT_ERR("%s corrupted event packet", hdev->name); | |
261 | hdev->stat.err_rx++; | |
262 | } | |
263 | } | |
264 | ||
265 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
266 | return; | |
267 | ||
7bee549e | 268 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
269 | usb_anchor_urb(urb, &data->intr_anchor); |
270 | ||
271 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
272 | if (err < 0) { | |
4935f1c1 PB |
273 | /* -EPERM: urb is being killed; |
274 | * -ENODEV: device got disconnected */ | |
275 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 276 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
277 | hdev->name, urb, -err); |
278 | usb_unanchor_urb(urb); | |
279 | } | |
280 | } | |
281 | ||
2eda66f4 | 282 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
283 | { |
284 | struct btusb_data *data = hdev->driver_data; | |
285 | struct urb *urb; | |
286 | unsigned char *buf; | |
287 | unsigned int pipe; | |
288 | int err, size; | |
289 | ||
290 | BT_DBG("%s", hdev->name); | |
291 | ||
9bfa35fe MH |
292 | if (!data->intr_ep) |
293 | return -ENODEV; | |
294 | ||
2eda66f4 | 295 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
296 | if (!urb) |
297 | return -ENOMEM; | |
298 | ||
299 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
300 | ||
2eda66f4 | 301 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
302 | if (!buf) { |
303 | usb_free_urb(urb); | |
304 | return -ENOMEM; | |
305 | } | |
306 | ||
307 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
308 | ||
309 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
310 | btusb_intr_complete, hdev, | |
311 | data->intr_ep->bInterval); | |
312 | ||
313 | urb->transfer_flags |= URB_FREE_BUFFER; | |
314 | ||
315 | usb_anchor_urb(urb, &data->intr_anchor); | |
316 | ||
2eda66f4 | 317 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 318 | if (err < 0) { |
d4b8d1c9 PB |
319 | if (err != -EPERM && err != -ENODEV) |
320 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
321 | hdev->name, urb, -err); |
322 | usb_unanchor_urb(urb); | |
5e23b923 MH |
323 | } |
324 | ||
325 | usb_free_urb(urb); | |
326 | ||
327 | return err; | |
328 | } | |
329 | ||
330 | static void btusb_bulk_complete(struct urb *urb) | |
331 | { | |
332 | struct hci_dev *hdev = urb->context; | |
333 | struct btusb_data *data = hdev->driver_data; | |
334 | int err; | |
335 | ||
336 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
337 | urb, urb->status, urb->actual_length); | |
338 | ||
339 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
340 | return; | |
341 | ||
342 | if (urb->status == 0) { | |
9bfa35fe MH |
343 | hdev->stat.byte_rx += urb->actual_length; |
344 | ||
5e23b923 MH |
345 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
346 | urb->transfer_buffer, | |
347 | urb->actual_length) < 0) { | |
348 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
349 | hdev->stat.err_rx++; | |
350 | } | |
351 | } | |
352 | ||
353 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
354 | return; | |
355 | ||
356 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 357 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
358 | |
359 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
360 | if (err < 0) { | |
4935f1c1 PB |
361 | /* -EPERM: urb is being killed; |
362 | * -ENODEV: device got disconnected */ | |
363 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 364 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
365 | hdev->name, urb, -err); |
366 | usb_unanchor_urb(urb); | |
367 | } | |
368 | } | |
369 | ||
2eda66f4 | 370 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
371 | { |
372 | struct btusb_data *data = hdev->driver_data; | |
373 | struct urb *urb; | |
374 | unsigned char *buf; | |
375 | unsigned int pipe; | |
290ba200 | 376 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
377 | |
378 | BT_DBG("%s", hdev->name); | |
379 | ||
9bfa35fe MH |
380 | if (!data->bulk_rx_ep) |
381 | return -ENODEV; | |
382 | ||
2eda66f4 | 383 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
384 | if (!urb) |
385 | return -ENOMEM; | |
386 | ||
2eda66f4 | 387 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
388 | if (!buf) { |
389 | usb_free_urb(urb); | |
390 | return -ENOMEM; | |
391 | } | |
392 | ||
393 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
394 | ||
395 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
396 | buf, size, btusb_bulk_complete, hdev); | |
397 | ||
398 | urb->transfer_flags |= URB_FREE_BUFFER; | |
399 | ||
7bee549e | 400 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
401 | usb_anchor_urb(urb, &data->bulk_anchor); |
402 | ||
2eda66f4 | 403 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 404 | if (err < 0) { |
d4b8d1c9 PB |
405 | if (err != -EPERM && err != -ENODEV) |
406 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
407 | hdev->name, urb, -err); |
408 | usb_unanchor_urb(urb); | |
5e23b923 MH |
409 | } |
410 | ||
411 | usb_free_urb(urb); | |
412 | ||
413 | return err; | |
414 | } | |
415 | ||
9bfa35fe MH |
416 | static void btusb_isoc_complete(struct urb *urb) |
417 | { | |
418 | struct hci_dev *hdev = urb->context; | |
419 | struct btusb_data *data = hdev->driver_data; | |
420 | int i, err; | |
421 | ||
422 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
423 | urb, urb->status, urb->actual_length); | |
424 | ||
425 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
426 | return; | |
427 | ||
428 | if (urb->status == 0) { | |
429 | for (i = 0; i < urb->number_of_packets; i++) { | |
430 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
431 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
432 | ||
433 | if (urb->iso_frame_desc[i].status) | |
434 | continue; | |
435 | ||
436 | hdev->stat.byte_rx += length; | |
437 | ||
438 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
439 | urb->transfer_buffer + offset, | |
440 | length) < 0) { | |
441 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
442 | hdev->stat.err_rx++; | |
443 | } | |
444 | } | |
445 | } | |
446 | ||
447 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
448 | return; | |
449 | ||
450 | usb_anchor_urb(urb, &data->isoc_anchor); | |
451 | ||
452 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
453 | if (err < 0) { | |
4935f1c1 PB |
454 | /* -EPERM: urb is being killed; |
455 | * -ENODEV: device got disconnected */ | |
456 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 457 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
458 | hdev->name, urb, -err); |
459 | usb_unanchor_urb(urb); | |
460 | } | |
461 | } | |
462 | ||
42b16b3f | 463 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
464 | { |
465 | int i, offset = 0; | |
466 | ||
467 | BT_DBG("len %d mtu %d", len, mtu); | |
468 | ||
469 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
470 | i++, offset += mtu, len -= mtu) { | |
471 | urb->iso_frame_desc[i].offset = offset; | |
472 | urb->iso_frame_desc[i].length = mtu; | |
473 | } | |
474 | ||
475 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
476 | urb->iso_frame_desc[i].offset = offset; | |
477 | urb->iso_frame_desc[i].length = len; | |
478 | i++; | |
479 | } | |
480 | ||
481 | urb->number_of_packets = i; | |
482 | } | |
483 | ||
2eda66f4 | 484 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe MH |
485 | { |
486 | struct btusb_data *data = hdev->driver_data; | |
487 | struct urb *urb; | |
488 | unsigned char *buf; | |
489 | unsigned int pipe; | |
490 | int err, size; | |
491 | ||
492 | BT_DBG("%s", hdev->name); | |
493 | ||
494 | if (!data->isoc_rx_ep) | |
495 | return -ENODEV; | |
496 | ||
2eda66f4 | 497 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
498 | if (!urb) |
499 | return -ENOMEM; | |
500 | ||
501 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
502 | BTUSB_MAX_ISOC_FRAMES; | |
503 | ||
2eda66f4 | 504 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
505 | if (!buf) { |
506 | usb_free_urb(urb); | |
507 | return -ENOMEM; | |
508 | } | |
509 | ||
510 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
511 | ||
fa0fb93f BZ |
512 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
513 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
514 | |
515 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
516 | |
517 | __fill_isoc_descriptor(urb, size, | |
518 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
519 | ||
520 | usb_anchor_urb(urb, &data->isoc_anchor); | |
521 | ||
2eda66f4 | 522 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 523 | if (err < 0) { |
d4b8d1c9 PB |
524 | if (err != -EPERM && err != -ENODEV) |
525 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
526 | hdev->name, urb, -err); |
527 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
528 | } |
529 | ||
530 | usb_free_urb(urb); | |
531 | ||
532 | return err; | |
533 | } | |
534 | ||
5e23b923 | 535 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
536 | { |
537 | struct sk_buff *skb = urb->context; | |
538 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
539 | struct btusb_data *data = hdev->driver_data; | |
540 | ||
541 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
542 | urb, urb->status, urb->actual_length); | |
543 | ||
544 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
545 | goto done; | |
546 | ||
547 | if (!urb->status) | |
548 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
549 | else | |
550 | hdev->stat.err_tx++; | |
551 | ||
552 | done: | |
553 | spin_lock(&data->txlock); | |
554 | data->tx_in_flight--; | |
555 | spin_unlock(&data->txlock); | |
556 | ||
557 | kfree(urb->setup_packet); | |
558 | ||
559 | kfree_skb(skb); | |
560 | } | |
561 | ||
562 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
563 | { |
564 | struct sk_buff *skb = urb->context; | |
565 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
566 | ||
567 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
568 | urb, urb->status, urb->actual_length); | |
569 | ||
570 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
571 | goto done; | |
572 | ||
573 | if (!urb->status) | |
574 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
575 | else | |
576 | hdev->stat.err_tx++; | |
577 | ||
578 | done: | |
579 | kfree(urb->setup_packet); | |
580 | ||
581 | kfree_skb(skb); | |
582 | } | |
583 | ||
584 | static int btusb_open(struct hci_dev *hdev) | |
585 | { | |
586 | struct btusb_data *data = hdev->driver_data; | |
587 | int err; | |
588 | ||
589 | BT_DBG("%s", hdev->name); | |
590 | ||
7bee549e ON |
591 | err = usb_autopm_get_interface(data->intf); |
592 | if (err < 0) | |
593 | return err; | |
594 | ||
595 | data->intf->needs_remote_wakeup = 1; | |
596 | ||
5e23b923 | 597 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 598 | goto done; |
5e23b923 MH |
599 | |
600 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 601 | goto done; |
5e23b923 | 602 | |
2eda66f4 | 603 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
604 | if (err < 0) |
605 | goto failed; | |
606 | ||
607 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 608 | if (err < 0) { |
43c2e57f MH |
609 | usb_kill_anchored_urbs(&data->intr_anchor); |
610 | goto failed; | |
5e23b923 MH |
611 | } |
612 | ||
43c2e57f MH |
613 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
614 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
615 | ||
7bee549e ON |
616 | done: |
617 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
618 | return 0; |
619 | ||
620 | failed: | |
621 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
622 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 623 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
624 | return err; |
625 | } | |
626 | ||
7bee549e ON |
627 | static void btusb_stop_traffic(struct btusb_data *data) |
628 | { | |
629 | usb_kill_anchored_urbs(&data->intr_anchor); | |
630 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
631 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
632 | } | |
633 | ||
5e23b923 MH |
634 | static int btusb_close(struct hci_dev *hdev) |
635 | { | |
636 | struct btusb_data *data = hdev->driver_data; | |
7bee549e | 637 | int err; |
5e23b923 MH |
638 | |
639 | BT_DBG("%s", hdev->name); | |
640 | ||
641 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
642 | return 0; | |
643 | ||
e8c3c3d2 | 644 | cancel_work_sync(&data->work); |
404291ac | 645 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 646 | |
9bfa35fe | 647 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 648 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 649 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
650 | |
651 | btusb_stop_traffic(data); | |
652 | err = usb_autopm_get_interface(data->intf); | |
653 | if (err < 0) | |
7b8e2c1d | 654 | goto failed; |
7bee549e ON |
655 | |
656 | data->intf->needs_remote_wakeup = 0; | |
657 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 658 | |
7b8e2c1d ON |
659 | failed: |
660 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
661 | return 0; |
662 | } | |
663 | ||
664 | static int btusb_flush(struct hci_dev *hdev) | |
665 | { | |
666 | struct btusb_data *data = hdev->driver_data; | |
667 | ||
668 | BT_DBG("%s", hdev->name); | |
669 | ||
670 | usb_kill_anchored_urbs(&data->tx_anchor); | |
671 | ||
672 | return 0; | |
673 | } | |
674 | ||
675 | static int btusb_send_frame(struct sk_buff *skb) | |
676 | { | |
677 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
678 | struct btusb_data *data = hdev->driver_data; | |
679 | struct usb_ctrlrequest *dr; | |
680 | struct urb *urb; | |
681 | unsigned int pipe; | |
682 | int err; | |
683 | ||
684 | BT_DBG("%s", hdev->name); | |
685 | ||
686 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
687 | return -EBUSY; | |
688 | ||
689 | switch (bt_cb(skb)->pkt_type) { | |
690 | case HCI_COMMAND_PKT: | |
691 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
692 | if (!urb) | |
693 | return -ENOMEM; | |
694 | ||
695 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
696 | if (!dr) { | |
697 | usb_free_urb(urb); | |
698 | return -ENOMEM; | |
699 | } | |
700 | ||
7a9d4020 | 701 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
702 | dr->bRequest = 0; |
703 | dr->wIndex = 0; | |
704 | dr->wValue = 0; | |
705 | dr->wLength = __cpu_to_le16(skb->len); | |
706 | ||
707 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
708 | ||
709 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
710 | skb->data, skb->len, btusb_tx_complete, skb); | |
711 | ||
712 | hdev->stat.cmd_tx++; | |
713 | break; | |
714 | ||
715 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 716 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
717 | return -ENODEV; |
718 | ||
5e23b923 MH |
719 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
720 | if (!urb) | |
721 | return -ENOMEM; | |
722 | ||
723 | pipe = usb_sndbulkpipe(data->udev, | |
724 | data->bulk_tx_ep->bEndpointAddress); | |
725 | ||
726 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
727 | skb->data, skb->len, btusb_tx_complete, skb); | |
728 | ||
b8aabfc9 LAD |
729 | if (skb->priority >= HCI_PRIO_MAX - 1) |
730 | urb->transfer_flags = URB_ISO_ASAP; | |
731 | ||
5e23b923 MH |
732 | hdev->stat.acl_tx++; |
733 | break; | |
734 | ||
735 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
736 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
737 | return -ENODEV; | |
738 | ||
739 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
740 | if (!urb) | |
741 | return -ENOMEM; | |
742 | ||
743 | pipe = usb_sndisocpipe(data->udev, | |
744 | data->isoc_tx_ep->bEndpointAddress); | |
745 | ||
03c2d0e8 GP |
746 | usb_fill_int_urb(urb, data->udev, pipe, |
747 | skb->data, skb->len, btusb_isoc_tx_complete, | |
748 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
749 | |
750 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
751 | |
752 | __fill_isoc_descriptor(urb, skb->len, | |
753 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
754 | ||
5e23b923 | 755 | hdev->stat.sco_tx++; |
7bee549e | 756 | goto skip_waking; |
5e23b923 MH |
757 | |
758 | default: | |
759 | return -EILSEQ; | |
760 | } | |
761 | ||
7bee549e ON |
762 | err = inc_tx(data); |
763 | if (err) { | |
764 | usb_anchor_urb(urb, &data->deferred); | |
765 | schedule_work(&data->waker); | |
766 | err = 0; | |
767 | goto done; | |
768 | } | |
769 | ||
770 | skip_waking: | |
5e23b923 MH |
771 | usb_anchor_urb(urb, &data->tx_anchor); |
772 | ||
773 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
774 | if (err < 0) { | |
5a9b80e2 PB |
775 | if (err != -EPERM && err != -ENODEV) |
776 | BT_ERR("%s urb %p submission failed (%d)", | |
777 | hdev->name, urb, -err); | |
5e23b923 MH |
778 | kfree(urb->setup_packet); |
779 | usb_unanchor_urb(urb); | |
7bee549e ON |
780 | } else { |
781 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
782 | } |
783 | ||
7bee549e | 784 | done: |
54a8a79c | 785 | usb_free_urb(urb); |
5e23b923 MH |
786 | return err; |
787 | } | |
788 | ||
789 | static void btusb_destruct(struct hci_dev *hdev) | |
790 | { | |
791 | struct btusb_data *data = hdev->driver_data; | |
792 | ||
793 | BT_DBG("%s", hdev->name); | |
794 | ||
795 | kfree(data); | |
796 | } | |
797 | ||
798 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) | |
799 | { | |
800 | struct btusb_data *data = hdev->driver_data; | |
801 | ||
802 | BT_DBG("%s evt %d", hdev->name, evt); | |
803 | ||
43c2e57f MH |
804 | if (hdev->conn_hash.sco_num != data->sco_num) { |
805 | data->sco_num = hdev->conn_hash.sco_num; | |
806 | schedule_work(&data->work); | |
a780efa8 | 807 | } |
5e23b923 MH |
808 | } |
809 | ||
42b16b3f | 810 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe MH |
811 | { |
812 | struct btusb_data *data = hdev->driver_data; | |
813 | struct usb_interface *intf = data->isoc; | |
814 | struct usb_endpoint_descriptor *ep_desc; | |
815 | int i, err; | |
816 | ||
817 | if (!data->isoc) | |
818 | return -ENODEV; | |
819 | ||
820 | err = usb_set_interface(data->udev, 1, altsetting); | |
821 | if (err < 0) { | |
822 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
823 | return err; | |
824 | } | |
825 | ||
826 | data->isoc_altsetting = altsetting; | |
827 | ||
828 | data->isoc_tx_ep = NULL; | |
829 | data->isoc_rx_ep = NULL; | |
830 | ||
831 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
832 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
833 | ||
834 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
835 | data->isoc_tx_ep = ep_desc; | |
836 | continue; | |
837 | } | |
838 | ||
839 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
840 | data->isoc_rx_ep = ep_desc; | |
841 | continue; | |
842 | } | |
843 | } | |
844 | ||
845 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
846 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
847 | return -ENODEV; | |
848 | } | |
849 | ||
850 | return 0; | |
851 | } | |
852 | ||
5e23b923 MH |
853 | static void btusb_work(struct work_struct *work) |
854 | { | |
855 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
856 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 857 | int err; |
5e23b923 | 858 | |
9bfa35fe | 859 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 860 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 861 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
862 | if (err < 0) { |
863 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
864 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
865 | return; | |
866 | } | |
867 | ||
08b8b6c4 | 868 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 869 | } |
9bfa35fe MH |
870 | if (data->isoc_altsetting != 2) { |
871 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
872 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
873 | ||
874 | if (__set_isoc_interface(hdev, 2) < 0) | |
875 | return; | |
876 | } | |
877 | ||
878 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 879 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
880 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
881 | else | |
2eda66f4 | 882 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
883 | } |
884 | } else { | |
885 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
886 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
887 | ||
888 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 889 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 890 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
891 | } |
892 | } | |
893 | ||
7bee549e ON |
894 | static void btusb_waker(struct work_struct *work) |
895 | { | |
896 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
897 | int err; | |
898 | ||
899 | err = usb_autopm_get_interface(data->intf); | |
900 | if (err < 0) | |
901 | return; | |
902 | ||
903 | usb_autopm_put_interface(data->intf); | |
904 | } | |
905 | ||
5e23b923 MH |
906 | static int btusb_probe(struct usb_interface *intf, |
907 | const struct usb_device_id *id) | |
908 | { | |
909 | struct usb_endpoint_descriptor *ep_desc; | |
910 | struct btusb_data *data; | |
911 | struct hci_dev *hdev; | |
912 | int i, err; | |
913 | ||
914 | BT_DBG("intf %p id %p", intf, id); | |
915 | ||
cfeb4145 | 916 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
917 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
918 | return -ENODEV; | |
919 | ||
920 | if (!id->driver_info) { | |
921 | const struct usb_device_id *match; | |
922 | match = usb_match_id(intf, blacklist_table); | |
923 | if (match) | |
924 | id = match; | |
925 | } | |
926 | ||
cfeb4145 MH |
927 | if (id->driver_info == BTUSB_IGNORE) |
928 | return -ENODEV; | |
929 | ||
930 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
931 | return -ENODEV; | |
932 | ||
933 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
934 | return -ENODEV; | |
935 | ||
936 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
937 | return -ENODEV; | |
938 | ||
2d25f8b4 SL |
939 | if (id->driver_info & BTUSB_ATH3012) { |
940 | struct usb_device *udev = interface_to_usbdev(intf); | |
941 | ||
942 | /* Old firmware would otherwise let ath3k driver load | |
943 | * patch and sysconfig files */ | |
944 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
945 | return -ENODEV; | |
946 | } | |
947 | ||
5e23b923 MH |
948 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
949 | if (!data) | |
950 | return -ENOMEM; | |
951 | ||
952 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
953 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
954 | ||
955 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
956 | data->intr_ep = ep_desc; | |
957 | continue; | |
958 | } | |
959 | ||
960 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
961 | data->bulk_tx_ep = ep_desc; | |
962 | continue; | |
963 | } | |
964 | ||
965 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
966 | data->bulk_rx_ep = ep_desc; | |
967 | continue; | |
968 | } | |
969 | } | |
970 | ||
971 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
972 | kfree(data); | |
973 | return -ENODEV; | |
974 | } | |
975 | ||
7a9d4020 MH |
976 | data->cmdreq_type = USB_TYPE_CLASS; |
977 | ||
5e23b923 | 978 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 979 | data->intf = intf; |
5e23b923 MH |
980 | |
981 | spin_lock_init(&data->lock); | |
982 | ||
983 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
984 | INIT_WORK(&data->waker, btusb_waker); |
985 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
986 | |
987 | init_usb_anchor(&data->tx_anchor); | |
988 | init_usb_anchor(&data->intr_anchor); | |
989 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 990 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 991 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
992 | |
993 | hdev = hci_alloc_dev(); | |
994 | if (!hdev) { | |
995 | kfree(data); | |
996 | return -ENOMEM; | |
997 | } | |
998 | ||
c13854ce | 999 | hdev->bus = HCI_USB; |
5e23b923 MH |
1000 | hdev->driver_data = data; |
1001 | ||
1002 | data->hdev = hdev; | |
1003 | ||
1004 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1005 | ||
1006 | hdev->open = btusb_open; | |
1007 | hdev->close = btusb_close; | |
1008 | hdev->flush = btusb_flush; | |
1009 | hdev->send = btusb_send_frame; | |
1010 | hdev->destruct = btusb_destruct; | |
1011 | hdev->notify = btusb_notify; | |
1012 | ||
1013 | hdev->owner = THIS_MODULE; | |
1014 | ||
7a9d4020 | 1015 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1016 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1017 | ||
7a9d4020 MH |
1018 | if (!reset) |
1019 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1020 | |
1021 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1022 | if (!disable_scofix) | |
1023 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1024 | } | |
1025 | ||
9bfa35fe MH |
1026 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1027 | data->isoc = NULL; | |
1028 | ||
7a9d4020 MH |
1029 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1030 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1031 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1032 | } | |
1033 | ||
1034 | if (id->driver_info & BTUSB_CSR) { | |
1035 | struct usb_device *udev = data->udev; | |
1036 | ||
1037 | /* Old firmware would otherwise execute USB reset */ | |
1038 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1039 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1040 | } | |
1041 | ||
cfeb4145 | 1042 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1043 | struct usb_device *udev = data->udev; |
cfeb4145 | 1044 | |
7a9d4020 | 1045 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1046 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1047 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1048 | |
1049 | data->isoc = NULL; | |
cfeb4145 MH |
1050 | } |
1051 | ||
1052 | if (id->driver_info & BTUSB_BCM92035) { | |
1053 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1054 | struct sk_buff *skb; | |
1055 | ||
1056 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1057 | if (skb) { | |
1058 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1059 | skb_queue_tail(&hdev->driver_init, skb); | |
1060 | } | |
1061 | } | |
5e23b923 | 1062 | |
9bfa35fe MH |
1063 | if (data->isoc) { |
1064 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1065 | data->isoc, data); |
9bfa35fe MH |
1066 | if (err < 0) { |
1067 | hci_free_dev(hdev); | |
1068 | kfree(data); | |
1069 | return err; | |
1070 | } | |
1071 | } | |
1072 | ||
5e23b923 MH |
1073 | err = hci_register_dev(hdev); |
1074 | if (err < 0) { | |
1075 | hci_free_dev(hdev); | |
1076 | kfree(data); | |
1077 | return err; | |
1078 | } | |
1079 | ||
1080 | usb_set_intfdata(intf, data); | |
1081 | ||
1082 | return 0; | |
1083 | } | |
1084 | ||
1085 | static void btusb_disconnect(struct usb_interface *intf) | |
1086 | { | |
1087 | struct btusb_data *data = usb_get_intfdata(intf); | |
1088 | struct hci_dev *hdev; | |
1089 | ||
1090 | BT_DBG("intf %p", intf); | |
1091 | ||
1092 | if (!data) | |
1093 | return; | |
1094 | ||
1095 | hdev = data->hdev; | |
1096 | ||
5fbcd260 | 1097 | __hci_dev_hold(hdev); |
9bfa35fe | 1098 | |
5fbcd260 MH |
1099 | usb_set_intfdata(data->intf, NULL); |
1100 | ||
1101 | if (data->isoc) | |
1102 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1103 | |
1104 | hci_unregister_dev(hdev); | |
1105 | ||
5fbcd260 MH |
1106 | if (intf == data->isoc) |
1107 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1108 | else if (data->isoc) | |
1109 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1110 | ||
1111 | __hci_dev_put(hdev); | |
1112 | ||
5e23b923 MH |
1113 | hci_free_dev(hdev); |
1114 | } | |
1115 | ||
7bee549e | 1116 | #ifdef CONFIG_PM |
6a88adf2 MH |
1117 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1118 | { | |
1119 | struct btusb_data *data = usb_get_intfdata(intf); | |
1120 | ||
1121 | BT_DBG("intf %p", intf); | |
1122 | ||
1123 | if (data->suspend_count++) | |
1124 | return 0; | |
1125 | ||
7bee549e | 1126 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1127 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1128 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1129 | spin_unlock_irq(&data->txlock); | |
1130 | } else { | |
1131 | spin_unlock_irq(&data->txlock); | |
1132 | data->suspend_count--; | |
1133 | return -EBUSY; | |
1134 | } | |
1135 | ||
6a88adf2 MH |
1136 | cancel_work_sync(&data->work); |
1137 | ||
7bee549e | 1138 | btusb_stop_traffic(data); |
6a88adf2 MH |
1139 | usb_kill_anchored_urbs(&data->tx_anchor); |
1140 | ||
6a88adf2 MH |
1141 | return 0; |
1142 | } | |
1143 | ||
7bee549e ON |
1144 | static void play_deferred(struct btusb_data *data) |
1145 | { | |
1146 | struct urb *urb; | |
1147 | int err; | |
1148 | ||
1149 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1150 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1151 | if (err < 0) | |
1152 | break; | |
1153 | ||
1154 | data->tx_in_flight++; | |
1155 | } | |
1156 | usb_scuttle_anchored_urbs(&data->deferred); | |
1157 | } | |
1158 | ||
6a88adf2 MH |
1159 | static int btusb_resume(struct usb_interface *intf) |
1160 | { | |
1161 | struct btusb_data *data = usb_get_intfdata(intf); | |
1162 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1163 | int err = 0; |
6a88adf2 MH |
1164 | |
1165 | BT_DBG("intf %p", intf); | |
1166 | ||
1167 | if (--data->suspend_count) | |
1168 | return 0; | |
1169 | ||
1170 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1171 | goto done; |
6a88adf2 MH |
1172 | |
1173 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1174 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1175 | if (err < 0) { | |
1176 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1177 | goto failed; |
6a88adf2 MH |
1178 | } |
1179 | } | |
1180 | ||
1181 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1182 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1183 | if (err < 0) { | |
6a88adf2 | 1184 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1185 | goto failed; |
1186 | } | |
1187 | ||
1188 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1189 | } |
1190 | ||
1191 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1192 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1193 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1194 | else | |
1195 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1196 | } | |
1197 | ||
7bee549e ON |
1198 | spin_lock_irq(&data->txlock); |
1199 | play_deferred(data); | |
1200 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1201 | spin_unlock_irq(&data->txlock); | |
1202 | schedule_work(&data->work); | |
1203 | ||
6a88adf2 | 1204 | return 0; |
7bee549e ON |
1205 | |
1206 | failed: | |
1207 | usb_scuttle_anchored_urbs(&data->deferred); | |
1208 | done: | |
1209 | spin_lock_irq(&data->txlock); | |
1210 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1211 | spin_unlock_irq(&data->txlock); | |
1212 | ||
1213 | return err; | |
6a88adf2 | 1214 | } |
7bee549e | 1215 | #endif |
6a88adf2 | 1216 | |
5e23b923 MH |
1217 | static struct usb_driver btusb_driver = { |
1218 | .name = "btusb", | |
1219 | .probe = btusb_probe, | |
1220 | .disconnect = btusb_disconnect, | |
7bee549e | 1221 | #ifdef CONFIG_PM |
6a88adf2 MH |
1222 | .suspend = btusb_suspend, |
1223 | .resume = btusb_resume, | |
7bee549e | 1224 | #endif |
5e23b923 | 1225 | .id_table = btusb_table, |
7bee549e | 1226 | .supports_autosuspend = 1, |
5e23b923 MH |
1227 | }; |
1228 | ||
93f1508c | 1229 | module_usb_driver(btusb_driver); |
5e23b923 | 1230 | |
cfeb4145 MH |
1231 | module_param(ignore_dga, bool, 0644); |
1232 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1233 | ||
1234 | module_param(ignore_csr, bool, 0644); | |
1235 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1236 | ||
1237 | module_param(ignore_sniffer, bool, 0644); | |
1238 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1239 | ||
1240 | module_param(disable_scofix, bool, 0644); | |
1241 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1242 | ||
1243 | module_param(force_scofix, bool, 0644); | |
1244 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1245 | ||
1246 | module_param(reset, bool, 0644); | |
1247 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1248 | ||
5e23b923 MH |
1249 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1250 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1251 | MODULE_VERSION(VERSION); | |
1252 | MODULE_LICENSE("GPL"); |