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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 | ||
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 }, |
8e7c3d2e | 109 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 110 | |
509e7861 CYC |
111 | /* Atheros AR9285 Malbec with sflash firmware */ |
112 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
113 | ||
d9f51b51 | 114 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 115 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 116 | |
e9036e33 CYC |
117 | /* Atheros AR5BBU12 with sflash firmware */ |
118 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
119 | ||
cfeb4145 | 120 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
121 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
122 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
123 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
124 | |
125 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
126 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
127 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 128 | |
cfeb4145 | 129 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
130 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
131 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
132 | |
133 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 134 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
135 | |
136 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 137 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 138 | |
5ddd4a60 | 139 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 140 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 141 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 142 | |
7a9d4020 MH |
143 | /* Belkin F8T012 and F8T013 devices */ |
144 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
145 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 146 | |
5ddd4a60 MH |
147 | /* Asus WL-BTD202 device */ |
148 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
149 | ||
150 | /* Kensington Bluetooth USB adapter */ | |
151 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
152 | ||
cfeb4145 MH |
153 | /* RTX Telecom based adapters with buggy SCO support */ |
154 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
155 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
156 | ||
157 | /* CONWISE Technology based adapters with buggy SCO support */ | |
158 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
159 | ||
cfeb4145 MH |
160 | /* Digianswer devices */ |
161 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
162 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
163 | ||
164 | /* CSR BlueCore Bluetooth Sniffer */ | |
165 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
166 | ||
167 | /* Frontline ComProbe Bluetooth Sniffer */ | |
168 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
169 | ||
5e23b923 MH |
170 | { } /* Terminating entry */ |
171 | }; | |
172 | ||
9bfa35fe MH |
173 | #define BTUSB_MAX_ISOC_FRAMES 10 |
174 | ||
5e23b923 MH |
175 | #define BTUSB_INTR_RUNNING 0 |
176 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 177 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 178 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 179 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
180 | |
181 | struct btusb_data { | |
182 | struct hci_dev *hdev; | |
183 | struct usb_device *udev; | |
5fbcd260 | 184 | struct usb_interface *intf; |
9bfa35fe | 185 | struct usb_interface *isoc; |
5e23b923 MH |
186 | |
187 | spinlock_t lock; | |
188 | ||
189 | unsigned long flags; | |
190 | ||
191 | struct work_struct work; | |
7bee549e | 192 | struct work_struct waker; |
5e23b923 MH |
193 | |
194 | struct usb_anchor tx_anchor; | |
195 | struct usb_anchor intr_anchor; | |
196 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 197 | struct usb_anchor isoc_anchor; |
7bee549e ON |
198 | struct usb_anchor deferred; |
199 | int tx_in_flight; | |
200 | spinlock_t txlock; | |
5e23b923 MH |
201 | |
202 | struct usb_endpoint_descriptor *intr_ep; | |
203 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
204 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
205 | struct usb_endpoint_descriptor *isoc_tx_ep; |
206 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
207 | ||
7a9d4020 MH |
208 | __u8 cmdreq_type; |
209 | ||
43c2e57f | 210 | unsigned int sco_num; |
9bfa35fe | 211 | int isoc_altsetting; |
6a88adf2 | 212 | int suspend_count; |
5e23b923 MH |
213 | }; |
214 | ||
7bee549e ON |
215 | static int inc_tx(struct btusb_data *data) |
216 | { | |
217 | unsigned long flags; | |
218 | int rv; | |
219 | ||
220 | spin_lock_irqsave(&data->txlock, flags); | |
221 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
222 | if (!rv) | |
223 | data->tx_in_flight++; | |
224 | spin_unlock_irqrestore(&data->txlock, flags); | |
225 | ||
226 | return rv; | |
227 | } | |
228 | ||
5e23b923 MH |
229 | static void btusb_intr_complete(struct urb *urb) |
230 | { | |
231 | struct hci_dev *hdev = urb->context; | |
232 | struct btusb_data *data = hdev->driver_data; | |
233 | int err; | |
234 | ||
235 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
236 | urb, urb->status, urb->actual_length); | |
237 | ||
238 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
239 | return; | |
240 | ||
241 | if (urb->status == 0) { | |
9bfa35fe MH |
242 | hdev->stat.byte_rx += urb->actual_length; |
243 | ||
5e23b923 MH |
244 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
245 | urb->transfer_buffer, | |
246 | urb->actual_length) < 0) { | |
247 | BT_ERR("%s corrupted event packet", hdev->name); | |
248 | hdev->stat.err_rx++; | |
249 | } | |
250 | } | |
251 | ||
252 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
253 | return; | |
254 | ||
7bee549e | 255 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
256 | usb_anchor_urb(urb, &data->intr_anchor); |
257 | ||
258 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
259 | if (err < 0) { | |
4935f1c1 PB |
260 | /* -EPERM: urb is being killed; |
261 | * -ENODEV: device got disconnected */ | |
262 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 263 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
264 | hdev->name, urb, -err); |
265 | usb_unanchor_urb(urb); | |
266 | } | |
267 | } | |
268 | ||
2eda66f4 | 269 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
270 | { |
271 | struct btusb_data *data = hdev->driver_data; | |
272 | struct urb *urb; | |
273 | unsigned char *buf; | |
274 | unsigned int pipe; | |
275 | int err, size; | |
276 | ||
277 | BT_DBG("%s", hdev->name); | |
278 | ||
9bfa35fe MH |
279 | if (!data->intr_ep) |
280 | return -ENODEV; | |
281 | ||
2eda66f4 | 282 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
283 | if (!urb) |
284 | return -ENOMEM; | |
285 | ||
286 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
287 | ||
2eda66f4 | 288 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
289 | if (!buf) { |
290 | usb_free_urb(urb); | |
291 | return -ENOMEM; | |
292 | } | |
293 | ||
294 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
295 | ||
296 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
297 | btusb_intr_complete, hdev, | |
298 | data->intr_ep->bInterval); | |
299 | ||
300 | urb->transfer_flags |= URB_FREE_BUFFER; | |
301 | ||
302 | usb_anchor_urb(urb, &data->intr_anchor); | |
303 | ||
2eda66f4 | 304 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
305 | if (err < 0) { |
306 | BT_ERR("%s urb %p submission failed (%d)", | |
307 | hdev->name, urb, -err); | |
308 | usb_unanchor_urb(urb); | |
5e23b923 MH |
309 | } |
310 | ||
311 | usb_free_urb(urb); | |
312 | ||
313 | return err; | |
314 | } | |
315 | ||
316 | static void btusb_bulk_complete(struct urb *urb) | |
317 | { | |
318 | struct hci_dev *hdev = urb->context; | |
319 | struct btusb_data *data = hdev->driver_data; | |
320 | int err; | |
321 | ||
322 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
323 | urb, urb->status, urb->actual_length); | |
324 | ||
325 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
326 | return; | |
327 | ||
328 | if (urb->status == 0) { | |
9bfa35fe MH |
329 | hdev->stat.byte_rx += urb->actual_length; |
330 | ||
5e23b923 MH |
331 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
332 | urb->transfer_buffer, | |
333 | urb->actual_length) < 0) { | |
334 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
335 | hdev->stat.err_rx++; | |
336 | } | |
337 | } | |
338 | ||
339 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
340 | return; | |
341 | ||
342 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 343 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
344 | |
345 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
346 | if (err < 0) { | |
4935f1c1 PB |
347 | /* -EPERM: urb is being killed; |
348 | * -ENODEV: device got disconnected */ | |
349 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 350 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
351 | hdev->name, urb, -err); |
352 | usb_unanchor_urb(urb); | |
353 | } | |
354 | } | |
355 | ||
2eda66f4 | 356 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
357 | { |
358 | struct btusb_data *data = hdev->driver_data; | |
359 | struct urb *urb; | |
360 | unsigned char *buf; | |
361 | unsigned int pipe; | |
290ba200 | 362 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
363 | |
364 | BT_DBG("%s", hdev->name); | |
365 | ||
9bfa35fe MH |
366 | if (!data->bulk_rx_ep) |
367 | return -ENODEV; | |
368 | ||
2eda66f4 | 369 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
370 | if (!urb) |
371 | return -ENOMEM; | |
372 | ||
2eda66f4 | 373 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
374 | if (!buf) { |
375 | usb_free_urb(urb); | |
376 | return -ENOMEM; | |
377 | } | |
378 | ||
379 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
380 | ||
381 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
382 | buf, size, btusb_bulk_complete, hdev); | |
383 | ||
384 | urb->transfer_flags |= URB_FREE_BUFFER; | |
385 | ||
7bee549e | 386 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
387 | usb_anchor_urb(urb, &data->bulk_anchor); |
388 | ||
2eda66f4 | 389 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
390 | if (err < 0) { |
391 | BT_ERR("%s urb %p submission failed (%d)", | |
392 | hdev->name, urb, -err); | |
393 | usb_unanchor_urb(urb); | |
5e23b923 MH |
394 | } |
395 | ||
396 | usb_free_urb(urb); | |
397 | ||
398 | return err; | |
399 | } | |
400 | ||
9bfa35fe MH |
401 | static void btusb_isoc_complete(struct urb *urb) |
402 | { | |
403 | struct hci_dev *hdev = urb->context; | |
404 | struct btusb_data *data = hdev->driver_data; | |
405 | int i, err; | |
406 | ||
407 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
408 | urb, urb->status, urb->actual_length); | |
409 | ||
410 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
411 | return; | |
412 | ||
413 | if (urb->status == 0) { | |
414 | for (i = 0; i < urb->number_of_packets; i++) { | |
415 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
416 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
417 | ||
418 | if (urb->iso_frame_desc[i].status) | |
419 | continue; | |
420 | ||
421 | hdev->stat.byte_rx += length; | |
422 | ||
423 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
424 | urb->transfer_buffer + offset, | |
425 | length) < 0) { | |
426 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
427 | hdev->stat.err_rx++; | |
428 | } | |
429 | } | |
430 | } | |
431 | ||
432 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
433 | return; | |
434 | ||
435 | usb_anchor_urb(urb, &data->isoc_anchor); | |
436 | ||
437 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
438 | if (err < 0) { | |
4935f1c1 PB |
439 | /* -EPERM: urb is being killed; |
440 | * -ENODEV: device got disconnected */ | |
441 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 442 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
443 | hdev->name, urb, -err); |
444 | usb_unanchor_urb(urb); | |
445 | } | |
446 | } | |
447 | ||
42b16b3f | 448 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
449 | { |
450 | int i, offset = 0; | |
451 | ||
452 | BT_DBG("len %d mtu %d", len, mtu); | |
453 | ||
454 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
455 | i++, offset += mtu, len -= mtu) { | |
456 | urb->iso_frame_desc[i].offset = offset; | |
457 | urb->iso_frame_desc[i].length = mtu; | |
458 | } | |
459 | ||
460 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
461 | urb->iso_frame_desc[i].offset = offset; | |
462 | urb->iso_frame_desc[i].length = len; | |
463 | i++; | |
464 | } | |
465 | ||
466 | urb->number_of_packets = i; | |
467 | } | |
468 | ||
2eda66f4 | 469 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe MH |
470 | { |
471 | struct btusb_data *data = hdev->driver_data; | |
472 | struct urb *urb; | |
473 | unsigned char *buf; | |
474 | unsigned int pipe; | |
475 | int err, size; | |
476 | ||
477 | BT_DBG("%s", hdev->name); | |
478 | ||
479 | if (!data->isoc_rx_ep) | |
480 | return -ENODEV; | |
481 | ||
2eda66f4 | 482 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
483 | if (!urb) |
484 | return -ENOMEM; | |
485 | ||
486 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
487 | BTUSB_MAX_ISOC_FRAMES; | |
488 | ||
2eda66f4 | 489 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
490 | if (!buf) { |
491 | usb_free_urb(urb); | |
492 | return -ENOMEM; | |
493 | } | |
494 | ||
495 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
496 | ||
497 | urb->dev = data->udev; | |
498 | urb->pipe = pipe; | |
499 | urb->context = hdev; | |
500 | urb->complete = btusb_isoc_complete; | |
501 | urb->interval = data->isoc_rx_ep->bInterval; | |
502 | ||
503 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
504 | urb->transfer_buffer = buf; | |
505 | urb->transfer_buffer_length = size; | |
506 | ||
507 | __fill_isoc_descriptor(urb, size, | |
508 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
509 | ||
510 | usb_anchor_urb(urb, &data->isoc_anchor); | |
511 | ||
2eda66f4 | 512 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe MH |
513 | if (err < 0) { |
514 | BT_ERR("%s urb %p submission failed (%d)", | |
515 | hdev->name, urb, -err); | |
516 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
517 | } |
518 | ||
519 | usb_free_urb(urb); | |
520 | ||
521 | return err; | |
522 | } | |
523 | ||
5e23b923 | 524 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
525 | { |
526 | struct sk_buff *skb = urb->context; | |
527 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
528 | struct btusb_data *data = hdev->driver_data; | |
529 | ||
530 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
531 | urb, urb->status, urb->actual_length); | |
532 | ||
533 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
534 | goto done; | |
535 | ||
536 | if (!urb->status) | |
537 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
538 | else | |
539 | hdev->stat.err_tx++; | |
540 | ||
541 | done: | |
542 | spin_lock(&data->txlock); | |
543 | data->tx_in_flight--; | |
544 | spin_unlock(&data->txlock); | |
545 | ||
546 | kfree(urb->setup_packet); | |
547 | ||
548 | kfree_skb(skb); | |
549 | } | |
550 | ||
551 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
552 | { |
553 | struct sk_buff *skb = urb->context; | |
554 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
555 | ||
556 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
557 | urb, urb->status, urb->actual_length); | |
558 | ||
559 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
560 | goto done; | |
561 | ||
562 | if (!urb->status) | |
563 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
564 | else | |
565 | hdev->stat.err_tx++; | |
566 | ||
567 | done: | |
568 | kfree(urb->setup_packet); | |
569 | ||
570 | kfree_skb(skb); | |
571 | } | |
572 | ||
573 | static int btusb_open(struct hci_dev *hdev) | |
574 | { | |
575 | struct btusb_data *data = hdev->driver_data; | |
576 | int err; | |
577 | ||
578 | BT_DBG("%s", hdev->name); | |
579 | ||
7bee549e ON |
580 | err = usb_autopm_get_interface(data->intf); |
581 | if (err < 0) | |
582 | return err; | |
583 | ||
584 | data->intf->needs_remote_wakeup = 1; | |
585 | ||
5e23b923 | 586 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 587 | goto done; |
5e23b923 MH |
588 | |
589 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 590 | goto done; |
5e23b923 | 591 | |
2eda66f4 | 592 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
593 | if (err < 0) |
594 | goto failed; | |
595 | ||
596 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 597 | if (err < 0) { |
43c2e57f MH |
598 | usb_kill_anchored_urbs(&data->intr_anchor); |
599 | goto failed; | |
5e23b923 MH |
600 | } |
601 | ||
43c2e57f MH |
602 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
603 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
604 | ||
7bee549e ON |
605 | done: |
606 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
607 | return 0; |
608 | ||
609 | failed: | |
610 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
611 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 612 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
613 | return err; |
614 | } | |
615 | ||
7bee549e ON |
616 | static void btusb_stop_traffic(struct btusb_data *data) |
617 | { | |
618 | usb_kill_anchored_urbs(&data->intr_anchor); | |
619 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
620 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
621 | } | |
622 | ||
5e23b923 MH |
623 | static int btusb_close(struct hci_dev *hdev) |
624 | { | |
625 | struct btusb_data *data = hdev->driver_data; | |
7bee549e | 626 | int err; |
5e23b923 MH |
627 | |
628 | BT_DBG("%s", hdev->name); | |
629 | ||
630 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
631 | return 0; | |
632 | ||
e8c3c3d2 | 633 | cancel_work_sync(&data->work); |
404291ac | 634 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 635 | |
9bfa35fe | 636 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 637 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 638 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
639 | |
640 | btusb_stop_traffic(data); | |
641 | err = usb_autopm_get_interface(data->intf); | |
642 | if (err < 0) | |
7b8e2c1d | 643 | goto failed; |
7bee549e ON |
644 | |
645 | data->intf->needs_remote_wakeup = 0; | |
646 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 647 | |
7b8e2c1d ON |
648 | failed: |
649 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
650 | return 0; |
651 | } | |
652 | ||
653 | static int btusb_flush(struct hci_dev *hdev) | |
654 | { | |
655 | struct btusb_data *data = hdev->driver_data; | |
656 | ||
657 | BT_DBG("%s", hdev->name); | |
658 | ||
659 | usb_kill_anchored_urbs(&data->tx_anchor); | |
660 | ||
661 | return 0; | |
662 | } | |
663 | ||
664 | static int btusb_send_frame(struct sk_buff *skb) | |
665 | { | |
666 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
667 | struct btusb_data *data = hdev->driver_data; | |
668 | struct usb_ctrlrequest *dr; | |
669 | struct urb *urb; | |
670 | unsigned int pipe; | |
671 | int err; | |
672 | ||
673 | BT_DBG("%s", hdev->name); | |
674 | ||
675 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
676 | return -EBUSY; | |
677 | ||
678 | switch (bt_cb(skb)->pkt_type) { | |
679 | case HCI_COMMAND_PKT: | |
680 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
681 | if (!urb) | |
682 | return -ENOMEM; | |
683 | ||
684 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
685 | if (!dr) { | |
686 | usb_free_urb(urb); | |
687 | return -ENOMEM; | |
688 | } | |
689 | ||
7a9d4020 | 690 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
691 | dr->bRequest = 0; |
692 | dr->wIndex = 0; | |
693 | dr->wValue = 0; | |
694 | dr->wLength = __cpu_to_le16(skb->len); | |
695 | ||
696 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
697 | ||
698 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
699 | skb->data, skb->len, btusb_tx_complete, skb); | |
700 | ||
701 | hdev->stat.cmd_tx++; | |
702 | break; | |
703 | ||
704 | case HCI_ACLDATA_PKT: | |
8693ac90 VCG |
705 | if (!data->bulk_tx_ep || (hdev->conn_hash.acl_num < 1 && |
706 | hdev->conn_hash.le_num < 1)) | |
9bfa35fe MH |
707 | return -ENODEV; |
708 | ||
5e23b923 MH |
709 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
710 | if (!urb) | |
711 | return -ENOMEM; | |
712 | ||
713 | pipe = usb_sndbulkpipe(data->udev, | |
714 | data->bulk_tx_ep->bEndpointAddress); | |
715 | ||
716 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
717 | skb->data, skb->len, btusb_tx_complete, skb); | |
718 | ||
719 | hdev->stat.acl_tx++; | |
720 | break; | |
721 | ||
722 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
723 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
724 | return -ENODEV; | |
725 | ||
726 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
727 | if (!urb) | |
728 | return -ENOMEM; | |
729 | ||
730 | pipe = usb_sndisocpipe(data->udev, | |
731 | data->isoc_tx_ep->bEndpointAddress); | |
732 | ||
03c2d0e8 GP |
733 | usb_fill_int_urb(urb, data->udev, pipe, |
734 | skb->data, skb->len, btusb_isoc_tx_complete, | |
735 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
736 | |
737 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
738 | |
739 | __fill_isoc_descriptor(urb, skb->len, | |
740 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
741 | ||
5e23b923 | 742 | hdev->stat.sco_tx++; |
7bee549e | 743 | goto skip_waking; |
5e23b923 MH |
744 | |
745 | default: | |
746 | return -EILSEQ; | |
747 | } | |
748 | ||
7bee549e ON |
749 | err = inc_tx(data); |
750 | if (err) { | |
751 | usb_anchor_urb(urb, &data->deferred); | |
752 | schedule_work(&data->waker); | |
753 | err = 0; | |
754 | goto done; | |
755 | } | |
756 | ||
757 | skip_waking: | |
5e23b923 MH |
758 | usb_anchor_urb(urb, &data->tx_anchor); |
759 | ||
760 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
761 | if (err < 0) { | |
762 | BT_ERR("%s urb %p submission failed", hdev->name, urb); | |
763 | kfree(urb->setup_packet); | |
764 | usb_unanchor_urb(urb); | |
7bee549e ON |
765 | } else { |
766 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
767 | } |
768 | ||
769 | usb_free_urb(urb); | |
770 | ||
7bee549e | 771 | done: |
5e23b923 MH |
772 | return err; |
773 | } | |
774 | ||
775 | static void btusb_destruct(struct hci_dev *hdev) | |
776 | { | |
777 | struct btusb_data *data = hdev->driver_data; | |
778 | ||
779 | BT_DBG("%s", hdev->name); | |
780 | ||
781 | kfree(data); | |
782 | } | |
783 | ||
784 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) | |
785 | { | |
786 | struct btusb_data *data = hdev->driver_data; | |
787 | ||
788 | BT_DBG("%s evt %d", hdev->name, evt); | |
789 | ||
43c2e57f MH |
790 | if (hdev->conn_hash.sco_num != data->sco_num) { |
791 | data->sco_num = hdev->conn_hash.sco_num; | |
792 | schedule_work(&data->work); | |
a780efa8 | 793 | } |
5e23b923 MH |
794 | } |
795 | ||
42b16b3f | 796 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe MH |
797 | { |
798 | struct btusb_data *data = hdev->driver_data; | |
799 | struct usb_interface *intf = data->isoc; | |
800 | struct usb_endpoint_descriptor *ep_desc; | |
801 | int i, err; | |
802 | ||
803 | if (!data->isoc) | |
804 | return -ENODEV; | |
805 | ||
806 | err = usb_set_interface(data->udev, 1, altsetting); | |
807 | if (err < 0) { | |
808 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
809 | return err; | |
810 | } | |
811 | ||
812 | data->isoc_altsetting = altsetting; | |
813 | ||
814 | data->isoc_tx_ep = NULL; | |
815 | data->isoc_rx_ep = NULL; | |
816 | ||
817 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
818 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
819 | ||
820 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
821 | data->isoc_tx_ep = ep_desc; | |
822 | continue; | |
823 | } | |
824 | ||
825 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
826 | data->isoc_rx_ep = ep_desc; | |
827 | continue; | |
828 | } | |
829 | } | |
830 | ||
831 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
832 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
833 | return -ENODEV; | |
834 | } | |
835 | ||
836 | return 0; | |
837 | } | |
838 | ||
5e23b923 MH |
839 | static void btusb_work(struct work_struct *work) |
840 | { | |
841 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
842 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 843 | int err; |
5e23b923 | 844 | |
9bfa35fe | 845 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 846 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 847 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
848 | if (err < 0) { |
849 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
850 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
851 | return; | |
852 | } | |
853 | ||
08b8b6c4 | 854 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 855 | } |
9bfa35fe MH |
856 | if (data->isoc_altsetting != 2) { |
857 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
858 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
859 | ||
860 | if (__set_isoc_interface(hdev, 2) < 0) | |
861 | return; | |
862 | } | |
863 | ||
864 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 865 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
866 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
867 | else | |
2eda66f4 | 868 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
869 | } |
870 | } else { | |
871 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
872 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
873 | ||
874 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 875 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 876 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
877 | } |
878 | } | |
879 | ||
7bee549e ON |
880 | static void btusb_waker(struct work_struct *work) |
881 | { | |
882 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
883 | int err; | |
884 | ||
885 | err = usb_autopm_get_interface(data->intf); | |
886 | if (err < 0) | |
887 | return; | |
888 | ||
889 | usb_autopm_put_interface(data->intf); | |
890 | } | |
891 | ||
5e23b923 MH |
892 | static int btusb_probe(struct usb_interface *intf, |
893 | const struct usb_device_id *id) | |
894 | { | |
895 | struct usb_endpoint_descriptor *ep_desc; | |
896 | struct btusb_data *data; | |
897 | struct hci_dev *hdev; | |
898 | int i, err; | |
899 | ||
900 | BT_DBG("intf %p id %p", intf, id); | |
901 | ||
cfeb4145 | 902 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
903 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
904 | return -ENODEV; | |
905 | ||
906 | if (!id->driver_info) { | |
907 | const struct usb_device_id *match; | |
908 | match = usb_match_id(intf, blacklist_table); | |
909 | if (match) | |
910 | id = match; | |
911 | } | |
912 | ||
cfeb4145 MH |
913 | if (id->driver_info == BTUSB_IGNORE) |
914 | return -ENODEV; | |
915 | ||
916 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
917 | return -ENODEV; | |
918 | ||
919 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
920 | return -ENODEV; | |
921 | ||
922 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
923 | return -ENODEV; | |
924 | ||
2d25f8b4 SL |
925 | if (id->driver_info & BTUSB_ATH3012) { |
926 | struct usb_device *udev = interface_to_usbdev(intf); | |
927 | ||
928 | /* Old firmware would otherwise let ath3k driver load | |
929 | * patch and sysconfig files */ | |
930 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
931 | return -ENODEV; | |
932 | } | |
933 | ||
5e23b923 MH |
934 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
935 | if (!data) | |
936 | return -ENOMEM; | |
937 | ||
938 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
939 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
940 | ||
941 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
942 | data->intr_ep = ep_desc; | |
943 | continue; | |
944 | } | |
945 | ||
946 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
947 | data->bulk_tx_ep = ep_desc; | |
948 | continue; | |
949 | } | |
950 | ||
951 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
952 | data->bulk_rx_ep = ep_desc; | |
953 | continue; | |
954 | } | |
955 | } | |
956 | ||
957 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
958 | kfree(data); | |
959 | return -ENODEV; | |
960 | } | |
961 | ||
7a9d4020 MH |
962 | data->cmdreq_type = USB_TYPE_CLASS; |
963 | ||
5e23b923 | 964 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 965 | data->intf = intf; |
5e23b923 MH |
966 | |
967 | spin_lock_init(&data->lock); | |
968 | ||
969 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
970 | INIT_WORK(&data->waker, btusb_waker); |
971 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
972 | |
973 | init_usb_anchor(&data->tx_anchor); | |
974 | init_usb_anchor(&data->intr_anchor); | |
975 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 976 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 977 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
978 | |
979 | hdev = hci_alloc_dev(); | |
980 | if (!hdev) { | |
981 | kfree(data); | |
982 | return -ENOMEM; | |
983 | } | |
984 | ||
c13854ce | 985 | hdev->bus = HCI_USB; |
5e23b923 MH |
986 | hdev->driver_data = data; |
987 | ||
988 | data->hdev = hdev; | |
989 | ||
990 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
991 | ||
992 | hdev->open = btusb_open; | |
993 | hdev->close = btusb_close; | |
994 | hdev->flush = btusb_flush; | |
995 | hdev->send = btusb_send_frame; | |
996 | hdev->destruct = btusb_destruct; | |
997 | hdev->notify = btusb_notify; | |
998 | ||
999 | hdev->owner = THIS_MODULE; | |
1000 | ||
7a9d4020 | 1001 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1002 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1003 | ||
7a9d4020 MH |
1004 | if (!reset) |
1005 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1006 | |
1007 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1008 | if (!disable_scofix) | |
1009 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1010 | } | |
1011 | ||
9bfa35fe MH |
1012 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1013 | data->isoc = NULL; | |
1014 | ||
7a9d4020 MH |
1015 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1016 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1017 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1018 | } | |
1019 | ||
1020 | if (id->driver_info & BTUSB_CSR) { | |
1021 | struct usb_device *udev = data->udev; | |
1022 | ||
1023 | /* Old firmware would otherwise execute USB reset */ | |
1024 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1025 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1026 | } | |
1027 | ||
cfeb4145 | 1028 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1029 | struct usb_device *udev = data->udev; |
cfeb4145 | 1030 | |
7a9d4020 | 1031 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1032 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1033 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1034 | |
1035 | data->isoc = NULL; | |
cfeb4145 MH |
1036 | } |
1037 | ||
1038 | if (id->driver_info & BTUSB_BCM92035) { | |
1039 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1040 | struct sk_buff *skb; | |
1041 | ||
1042 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1043 | if (skb) { | |
1044 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1045 | skb_queue_tail(&hdev->driver_init, skb); | |
1046 | } | |
1047 | } | |
5e23b923 | 1048 | |
9bfa35fe MH |
1049 | if (data->isoc) { |
1050 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1051 | data->isoc, data); |
9bfa35fe MH |
1052 | if (err < 0) { |
1053 | hci_free_dev(hdev); | |
1054 | kfree(data); | |
1055 | return err; | |
1056 | } | |
1057 | } | |
1058 | ||
5e23b923 MH |
1059 | err = hci_register_dev(hdev); |
1060 | if (err < 0) { | |
1061 | hci_free_dev(hdev); | |
1062 | kfree(data); | |
1063 | return err; | |
1064 | } | |
1065 | ||
1066 | usb_set_intfdata(intf, data); | |
1067 | ||
1068 | return 0; | |
1069 | } | |
1070 | ||
1071 | static void btusb_disconnect(struct usb_interface *intf) | |
1072 | { | |
1073 | struct btusb_data *data = usb_get_intfdata(intf); | |
1074 | struct hci_dev *hdev; | |
1075 | ||
1076 | BT_DBG("intf %p", intf); | |
1077 | ||
1078 | if (!data) | |
1079 | return; | |
1080 | ||
1081 | hdev = data->hdev; | |
1082 | ||
5fbcd260 | 1083 | __hci_dev_hold(hdev); |
9bfa35fe | 1084 | |
5fbcd260 MH |
1085 | usb_set_intfdata(data->intf, NULL); |
1086 | ||
1087 | if (data->isoc) | |
1088 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1089 | |
1090 | hci_unregister_dev(hdev); | |
1091 | ||
5fbcd260 MH |
1092 | if (intf == data->isoc) |
1093 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1094 | else if (data->isoc) | |
1095 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1096 | ||
1097 | __hci_dev_put(hdev); | |
1098 | ||
5e23b923 MH |
1099 | hci_free_dev(hdev); |
1100 | } | |
1101 | ||
7bee549e | 1102 | #ifdef CONFIG_PM |
6a88adf2 MH |
1103 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1104 | { | |
1105 | struct btusb_data *data = usb_get_intfdata(intf); | |
1106 | ||
1107 | BT_DBG("intf %p", intf); | |
1108 | ||
1109 | if (data->suspend_count++) | |
1110 | return 0; | |
1111 | ||
7bee549e | 1112 | spin_lock_irq(&data->txlock); |
fb34d537 | 1113 | if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) { |
7bee549e ON |
1114 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1115 | spin_unlock_irq(&data->txlock); | |
1116 | } else { | |
1117 | spin_unlock_irq(&data->txlock); | |
1118 | data->suspend_count--; | |
1119 | return -EBUSY; | |
1120 | } | |
1121 | ||
6a88adf2 MH |
1122 | cancel_work_sync(&data->work); |
1123 | ||
7bee549e | 1124 | btusb_stop_traffic(data); |
6a88adf2 MH |
1125 | usb_kill_anchored_urbs(&data->tx_anchor); |
1126 | ||
6a88adf2 MH |
1127 | return 0; |
1128 | } | |
1129 | ||
7bee549e ON |
1130 | static void play_deferred(struct btusb_data *data) |
1131 | { | |
1132 | struct urb *urb; | |
1133 | int err; | |
1134 | ||
1135 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1136 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1137 | if (err < 0) | |
1138 | break; | |
1139 | ||
1140 | data->tx_in_flight++; | |
1141 | } | |
1142 | usb_scuttle_anchored_urbs(&data->deferred); | |
1143 | } | |
1144 | ||
6a88adf2 MH |
1145 | static int btusb_resume(struct usb_interface *intf) |
1146 | { | |
1147 | struct btusb_data *data = usb_get_intfdata(intf); | |
1148 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1149 | int err = 0; |
6a88adf2 MH |
1150 | |
1151 | BT_DBG("intf %p", intf); | |
1152 | ||
1153 | if (--data->suspend_count) | |
1154 | return 0; | |
1155 | ||
1156 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1157 | goto done; |
6a88adf2 MH |
1158 | |
1159 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1160 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1161 | if (err < 0) { | |
1162 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1163 | goto failed; |
6a88adf2 MH |
1164 | } |
1165 | } | |
1166 | ||
1167 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1168 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1169 | if (err < 0) { | |
6a88adf2 | 1170 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1171 | goto failed; |
1172 | } | |
1173 | ||
1174 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1175 | } |
1176 | ||
1177 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1178 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1179 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1180 | else | |
1181 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1182 | } | |
1183 | ||
7bee549e ON |
1184 | spin_lock_irq(&data->txlock); |
1185 | play_deferred(data); | |
1186 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1187 | spin_unlock_irq(&data->txlock); | |
1188 | schedule_work(&data->work); | |
1189 | ||
6a88adf2 | 1190 | return 0; |
7bee549e ON |
1191 | |
1192 | failed: | |
1193 | usb_scuttle_anchored_urbs(&data->deferred); | |
1194 | done: | |
1195 | spin_lock_irq(&data->txlock); | |
1196 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1197 | spin_unlock_irq(&data->txlock); | |
1198 | ||
1199 | return err; | |
6a88adf2 | 1200 | } |
7bee549e | 1201 | #endif |
6a88adf2 | 1202 | |
5e23b923 MH |
1203 | static struct usb_driver btusb_driver = { |
1204 | .name = "btusb", | |
1205 | .probe = btusb_probe, | |
1206 | .disconnect = btusb_disconnect, | |
7bee549e | 1207 | #ifdef CONFIG_PM |
6a88adf2 MH |
1208 | .suspend = btusb_suspend, |
1209 | .resume = btusb_resume, | |
7bee549e | 1210 | #endif |
5e23b923 | 1211 | .id_table = btusb_table, |
7bee549e | 1212 | .supports_autosuspend = 1, |
5e23b923 MH |
1213 | }; |
1214 | ||
1215 | static int __init btusb_init(void) | |
1216 | { | |
1217 | BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); | |
1218 | ||
1219 | return usb_register(&btusb_driver); | |
1220 | } | |
1221 | ||
1222 | static void __exit btusb_exit(void) | |
1223 | { | |
1224 | usb_deregister(&btusb_driver); | |
1225 | } | |
1226 | ||
1227 | module_init(btusb_init); | |
1228 | module_exit(btusb_exit); | |
1229 | ||
cfeb4145 MH |
1230 | module_param(ignore_dga, bool, 0644); |
1231 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1232 | ||
1233 | module_param(ignore_csr, bool, 0644); | |
1234 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1235 | ||
1236 | module_param(ignore_sniffer, bool, 0644); | |
1237 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1238 | ||
1239 | module_param(disable_scofix, bool, 0644); | |
1240 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1241 | ||
1242 | module_param(force_scofix, bool, 0644); | |
1243 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1244 | ||
1245 | module_param(reset, bool, 0644); | |
1246 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1247 | ||
5e23b923 MH |
1248 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1249 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1250 | MODULE_VERSION(VERSION); | |
1251 | MODULE_LICENSE("GPL"); |