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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 | ||
a63b723d PAVM |
75 | /* Apple MacBookAir4,1 */ |
76 | { USB_DEVICE(0x05ac, 0x821f) }, | |
77 | ||
88d377b6 MAP |
78 | /* Apple MacBookPro8,2 */ |
79 | { USB_DEVICE(0x05ac, 0x821a) }, | |
80 | ||
f78b6826 JK |
81 | /* Apple MacMini5,1 */ |
82 | { USB_DEVICE(0x05ac, 0x8281) }, | |
83 | ||
cfeb4145 MH |
84 | /* AVM BlueFRITZ! USB v2.0 */ |
85 | { USB_DEVICE(0x057c, 0x3800) }, | |
86 | ||
87 | /* Bluetooth Ultraport Module from IBM */ | |
88 | { USB_DEVICE(0x04bf, 0x030a) }, | |
89 | ||
90 | /* ALPS Modules with non-standard id */ | |
91 | { USB_DEVICE(0x044e, 0x3001) }, | |
92 | { USB_DEVICE(0x044e, 0x3002) }, | |
93 | ||
94 | /* Ericsson with non-standard id */ | |
95 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
96 | ||
97 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 98 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 99 | |
5e23b923 MH |
100 | { } /* Terminating entry */ |
101 | }; | |
102 | ||
103 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
104 | ||
105 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
106 | /* CSR BlueCore devices */ |
107 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
108 | ||
109 | /* Broadcom BCM2033 without firmware */ | |
110 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
111 | ||
be93112a BS |
112 | /* Atheros 3011 with sflash firmware */ |
113 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 114 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 115 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 116 | |
509e7861 CYC |
117 | /* Atheros AR9285 Malbec with sflash firmware */ |
118 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
119 | ||
d9f51b51 | 120 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 121 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 122 | |
e9036e33 CYC |
123 | /* Atheros AR5BBU12 with sflash firmware */ |
124 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
125 | ||
cfeb4145 | 126 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
127 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
128 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
129 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
130 | |
131 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
132 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
133 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 134 | |
cfeb4145 | 135 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
136 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
137 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
138 | |
139 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 140 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
141 | |
142 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 143 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 144 | |
5ddd4a60 | 145 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 146 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 147 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 148 | |
7a9d4020 MH |
149 | /* Belkin F8T012 and F8T013 devices */ |
150 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
151 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 152 | |
5ddd4a60 MH |
153 | /* Asus WL-BTD202 device */ |
154 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
155 | ||
156 | /* Kensington Bluetooth USB adapter */ | |
157 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
158 | ||
cfeb4145 MH |
159 | /* RTX Telecom based adapters with buggy SCO support */ |
160 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
161 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
162 | ||
163 | /* CONWISE Technology based adapters with buggy SCO support */ | |
164 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
165 | ||
cfeb4145 MH |
166 | /* Digianswer devices */ |
167 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
168 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
169 | ||
170 | /* CSR BlueCore Bluetooth Sniffer */ | |
171 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
172 | ||
173 | /* Frontline ComProbe Bluetooth Sniffer */ | |
174 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
175 | ||
5e23b923 MH |
176 | { } /* Terminating entry */ |
177 | }; | |
178 | ||
9bfa35fe MH |
179 | #define BTUSB_MAX_ISOC_FRAMES 10 |
180 | ||
5e23b923 MH |
181 | #define BTUSB_INTR_RUNNING 0 |
182 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 183 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 184 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 185 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
186 | |
187 | struct btusb_data { | |
188 | struct hci_dev *hdev; | |
189 | struct usb_device *udev; | |
5fbcd260 | 190 | struct usb_interface *intf; |
9bfa35fe | 191 | struct usb_interface *isoc; |
5e23b923 MH |
192 | |
193 | spinlock_t lock; | |
194 | ||
195 | unsigned long flags; | |
196 | ||
197 | struct work_struct work; | |
7bee549e | 198 | struct work_struct waker; |
5e23b923 MH |
199 | |
200 | struct usb_anchor tx_anchor; | |
201 | struct usb_anchor intr_anchor; | |
202 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 203 | struct usb_anchor isoc_anchor; |
7bee549e ON |
204 | struct usb_anchor deferred; |
205 | int tx_in_flight; | |
206 | spinlock_t txlock; | |
5e23b923 MH |
207 | |
208 | struct usb_endpoint_descriptor *intr_ep; | |
209 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
210 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
211 | struct usb_endpoint_descriptor *isoc_tx_ep; |
212 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
213 | ||
7a9d4020 MH |
214 | __u8 cmdreq_type; |
215 | ||
43c2e57f | 216 | unsigned int sco_num; |
9bfa35fe | 217 | int isoc_altsetting; |
6a88adf2 | 218 | int suspend_count; |
5e23b923 MH |
219 | }; |
220 | ||
7bee549e ON |
221 | static int inc_tx(struct btusb_data *data) |
222 | { | |
223 | unsigned long flags; | |
224 | int rv; | |
225 | ||
226 | spin_lock_irqsave(&data->txlock, flags); | |
227 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
228 | if (!rv) | |
229 | data->tx_in_flight++; | |
230 | spin_unlock_irqrestore(&data->txlock, flags); | |
231 | ||
232 | return rv; | |
233 | } | |
234 | ||
5e23b923 MH |
235 | static void btusb_intr_complete(struct urb *urb) |
236 | { | |
237 | struct hci_dev *hdev = urb->context; | |
238 | struct btusb_data *data = hdev->driver_data; | |
239 | int err; | |
240 | ||
241 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
242 | urb, urb->status, urb->actual_length); | |
243 | ||
244 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
245 | return; | |
246 | ||
247 | if (urb->status == 0) { | |
9bfa35fe MH |
248 | hdev->stat.byte_rx += urb->actual_length; |
249 | ||
5e23b923 MH |
250 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
251 | urb->transfer_buffer, | |
252 | urb->actual_length) < 0) { | |
253 | BT_ERR("%s corrupted event packet", hdev->name); | |
254 | hdev->stat.err_rx++; | |
255 | } | |
256 | } | |
257 | ||
258 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
259 | return; | |
260 | ||
7bee549e | 261 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
262 | usb_anchor_urb(urb, &data->intr_anchor); |
263 | ||
264 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
265 | if (err < 0) { | |
4935f1c1 PB |
266 | /* -EPERM: urb is being killed; |
267 | * -ENODEV: device got disconnected */ | |
268 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 269 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
270 | hdev->name, urb, -err); |
271 | usb_unanchor_urb(urb); | |
272 | } | |
273 | } | |
274 | ||
2eda66f4 | 275 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
276 | { |
277 | struct btusb_data *data = hdev->driver_data; | |
278 | struct urb *urb; | |
279 | unsigned char *buf; | |
280 | unsigned int pipe; | |
281 | int err, size; | |
282 | ||
283 | BT_DBG("%s", hdev->name); | |
284 | ||
9bfa35fe MH |
285 | if (!data->intr_ep) |
286 | return -ENODEV; | |
287 | ||
2eda66f4 | 288 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
289 | if (!urb) |
290 | return -ENOMEM; | |
291 | ||
292 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
293 | ||
2eda66f4 | 294 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
295 | if (!buf) { |
296 | usb_free_urb(urb); | |
297 | return -ENOMEM; | |
298 | } | |
299 | ||
300 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
301 | ||
302 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
303 | btusb_intr_complete, hdev, | |
304 | data->intr_ep->bInterval); | |
305 | ||
306 | urb->transfer_flags |= URB_FREE_BUFFER; | |
307 | ||
308 | usb_anchor_urb(urb, &data->intr_anchor); | |
309 | ||
2eda66f4 | 310 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
311 | if (err < 0) { |
312 | BT_ERR("%s urb %p submission failed (%d)", | |
313 | hdev->name, urb, -err); | |
314 | usb_unanchor_urb(urb); | |
5e23b923 MH |
315 | } |
316 | ||
317 | usb_free_urb(urb); | |
318 | ||
319 | return err; | |
320 | } | |
321 | ||
322 | static void btusb_bulk_complete(struct urb *urb) | |
323 | { | |
324 | struct hci_dev *hdev = urb->context; | |
325 | struct btusb_data *data = hdev->driver_data; | |
326 | int err; | |
327 | ||
328 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
329 | urb, urb->status, urb->actual_length); | |
330 | ||
331 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
332 | return; | |
333 | ||
334 | if (urb->status == 0) { | |
9bfa35fe MH |
335 | hdev->stat.byte_rx += urb->actual_length; |
336 | ||
5e23b923 MH |
337 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
338 | urb->transfer_buffer, | |
339 | urb->actual_length) < 0) { | |
340 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
341 | hdev->stat.err_rx++; | |
342 | } | |
343 | } | |
344 | ||
345 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
346 | return; | |
347 | ||
348 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 349 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
350 | |
351 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
352 | if (err < 0) { | |
4935f1c1 PB |
353 | /* -EPERM: urb is being killed; |
354 | * -ENODEV: device got disconnected */ | |
355 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 356 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
357 | hdev->name, urb, -err); |
358 | usb_unanchor_urb(urb); | |
359 | } | |
360 | } | |
361 | ||
2eda66f4 | 362 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 MH |
363 | { |
364 | struct btusb_data *data = hdev->driver_data; | |
365 | struct urb *urb; | |
366 | unsigned char *buf; | |
367 | unsigned int pipe; | |
290ba200 | 368 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
369 | |
370 | BT_DBG("%s", hdev->name); | |
371 | ||
9bfa35fe MH |
372 | if (!data->bulk_rx_ep) |
373 | return -ENODEV; | |
374 | ||
2eda66f4 | 375 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
376 | if (!urb) |
377 | return -ENOMEM; | |
378 | ||
2eda66f4 | 379 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
380 | if (!buf) { |
381 | usb_free_urb(urb); | |
382 | return -ENOMEM; | |
383 | } | |
384 | ||
385 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
386 | ||
387 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
388 | buf, size, btusb_bulk_complete, hdev); | |
389 | ||
390 | urb->transfer_flags |= URB_FREE_BUFFER; | |
391 | ||
7bee549e | 392 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
393 | usb_anchor_urb(urb, &data->bulk_anchor); |
394 | ||
2eda66f4 | 395 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 MH |
396 | if (err < 0) { |
397 | BT_ERR("%s urb %p submission failed (%d)", | |
398 | hdev->name, urb, -err); | |
399 | usb_unanchor_urb(urb); | |
5e23b923 MH |
400 | } |
401 | ||
402 | usb_free_urb(urb); | |
403 | ||
404 | return err; | |
405 | } | |
406 | ||
9bfa35fe MH |
407 | static void btusb_isoc_complete(struct urb *urb) |
408 | { | |
409 | struct hci_dev *hdev = urb->context; | |
410 | struct btusb_data *data = hdev->driver_data; | |
411 | int i, err; | |
412 | ||
413 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
414 | urb, urb->status, urb->actual_length); | |
415 | ||
416 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
417 | return; | |
418 | ||
419 | if (urb->status == 0) { | |
420 | for (i = 0; i < urb->number_of_packets; i++) { | |
421 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
422 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
423 | ||
424 | if (urb->iso_frame_desc[i].status) | |
425 | continue; | |
426 | ||
427 | hdev->stat.byte_rx += length; | |
428 | ||
429 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
430 | urb->transfer_buffer + offset, | |
431 | length) < 0) { | |
432 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
433 | hdev->stat.err_rx++; | |
434 | } | |
435 | } | |
436 | } | |
437 | ||
438 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
439 | return; | |
440 | ||
441 | usb_anchor_urb(urb, &data->isoc_anchor); | |
442 | ||
443 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
444 | if (err < 0) { | |
4935f1c1 PB |
445 | /* -EPERM: urb is being killed; |
446 | * -ENODEV: device got disconnected */ | |
447 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 448 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
449 | hdev->name, urb, -err); |
450 | usb_unanchor_urb(urb); | |
451 | } | |
452 | } | |
453 | ||
42b16b3f | 454 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
455 | { |
456 | int i, offset = 0; | |
457 | ||
458 | BT_DBG("len %d mtu %d", len, mtu); | |
459 | ||
460 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
461 | i++, offset += mtu, len -= mtu) { | |
462 | urb->iso_frame_desc[i].offset = offset; | |
463 | urb->iso_frame_desc[i].length = mtu; | |
464 | } | |
465 | ||
466 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
467 | urb->iso_frame_desc[i].offset = offset; | |
468 | urb->iso_frame_desc[i].length = len; | |
469 | i++; | |
470 | } | |
471 | ||
472 | urb->number_of_packets = i; | |
473 | } | |
474 | ||
2eda66f4 | 475 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe MH |
476 | { |
477 | struct btusb_data *data = hdev->driver_data; | |
478 | struct urb *urb; | |
479 | unsigned char *buf; | |
480 | unsigned int pipe; | |
481 | int err, size; | |
482 | ||
483 | BT_DBG("%s", hdev->name); | |
484 | ||
485 | if (!data->isoc_rx_ep) | |
486 | return -ENODEV; | |
487 | ||
2eda66f4 | 488 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
489 | if (!urb) |
490 | return -ENOMEM; | |
491 | ||
492 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
493 | BTUSB_MAX_ISOC_FRAMES; | |
494 | ||
2eda66f4 | 495 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
496 | if (!buf) { |
497 | usb_free_urb(urb); | |
498 | return -ENOMEM; | |
499 | } | |
500 | ||
501 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
502 | ||
503 | urb->dev = data->udev; | |
504 | urb->pipe = pipe; | |
505 | urb->context = hdev; | |
506 | urb->complete = btusb_isoc_complete; | |
507 | urb->interval = data->isoc_rx_ep->bInterval; | |
508 | ||
509 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
510 | urb->transfer_buffer = buf; | |
511 | urb->transfer_buffer_length = size; | |
512 | ||
513 | __fill_isoc_descriptor(urb, size, | |
514 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
515 | ||
516 | usb_anchor_urb(urb, &data->isoc_anchor); | |
517 | ||
2eda66f4 | 518 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe MH |
519 | if (err < 0) { |
520 | BT_ERR("%s urb %p submission failed (%d)", | |
521 | hdev->name, urb, -err); | |
522 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
523 | } |
524 | ||
525 | usb_free_urb(urb); | |
526 | ||
527 | return err; | |
528 | } | |
529 | ||
5e23b923 | 530 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
531 | { |
532 | struct sk_buff *skb = urb->context; | |
533 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
534 | struct btusb_data *data = hdev->driver_data; | |
535 | ||
536 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
537 | urb, urb->status, urb->actual_length); | |
538 | ||
539 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
540 | goto done; | |
541 | ||
542 | if (!urb->status) | |
543 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
544 | else | |
545 | hdev->stat.err_tx++; | |
546 | ||
547 | done: | |
548 | spin_lock(&data->txlock); | |
549 | data->tx_in_flight--; | |
550 | spin_unlock(&data->txlock); | |
551 | ||
552 | kfree(urb->setup_packet); | |
553 | ||
554 | kfree_skb(skb); | |
555 | } | |
556 | ||
557 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
558 | { |
559 | struct sk_buff *skb = urb->context; | |
560 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
561 | ||
562 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
563 | urb, urb->status, urb->actual_length); | |
564 | ||
565 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
566 | goto done; | |
567 | ||
568 | if (!urb->status) | |
569 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
570 | else | |
571 | hdev->stat.err_tx++; | |
572 | ||
573 | done: | |
574 | kfree(urb->setup_packet); | |
575 | ||
576 | kfree_skb(skb); | |
577 | } | |
578 | ||
579 | static int btusb_open(struct hci_dev *hdev) | |
580 | { | |
581 | struct btusb_data *data = hdev->driver_data; | |
582 | int err; | |
583 | ||
584 | BT_DBG("%s", hdev->name); | |
585 | ||
7bee549e ON |
586 | err = usb_autopm_get_interface(data->intf); |
587 | if (err < 0) | |
588 | return err; | |
589 | ||
590 | data->intf->needs_remote_wakeup = 1; | |
591 | ||
5e23b923 | 592 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 593 | goto done; |
5e23b923 MH |
594 | |
595 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 596 | goto done; |
5e23b923 | 597 | |
2eda66f4 | 598 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
599 | if (err < 0) |
600 | goto failed; | |
601 | ||
602 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 603 | if (err < 0) { |
43c2e57f MH |
604 | usb_kill_anchored_urbs(&data->intr_anchor); |
605 | goto failed; | |
5e23b923 MH |
606 | } |
607 | ||
43c2e57f MH |
608 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
609 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
610 | ||
7bee549e ON |
611 | done: |
612 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
613 | return 0; |
614 | ||
615 | failed: | |
616 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
617 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 618 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
619 | return err; |
620 | } | |
621 | ||
7bee549e ON |
622 | static void btusb_stop_traffic(struct btusb_data *data) |
623 | { | |
624 | usb_kill_anchored_urbs(&data->intr_anchor); | |
625 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
626 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
627 | } | |
628 | ||
5e23b923 MH |
629 | static int btusb_close(struct hci_dev *hdev) |
630 | { | |
631 | struct btusb_data *data = hdev->driver_data; | |
7bee549e | 632 | int err; |
5e23b923 MH |
633 | |
634 | BT_DBG("%s", hdev->name); | |
635 | ||
636 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
637 | return 0; | |
638 | ||
e8c3c3d2 | 639 | cancel_work_sync(&data->work); |
404291ac | 640 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 641 | |
9bfa35fe | 642 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 643 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 644 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
645 | |
646 | btusb_stop_traffic(data); | |
647 | err = usb_autopm_get_interface(data->intf); | |
648 | if (err < 0) | |
7b8e2c1d | 649 | goto failed; |
7bee549e ON |
650 | |
651 | data->intf->needs_remote_wakeup = 0; | |
652 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 653 | |
7b8e2c1d ON |
654 | failed: |
655 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
656 | return 0; |
657 | } | |
658 | ||
659 | static int btusb_flush(struct hci_dev *hdev) | |
660 | { | |
661 | struct btusb_data *data = hdev->driver_data; | |
662 | ||
663 | BT_DBG("%s", hdev->name); | |
664 | ||
665 | usb_kill_anchored_urbs(&data->tx_anchor); | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
670 | static int btusb_send_frame(struct sk_buff *skb) | |
671 | { | |
672 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
673 | struct btusb_data *data = hdev->driver_data; | |
674 | struct usb_ctrlrequest *dr; | |
675 | struct urb *urb; | |
676 | unsigned int pipe; | |
677 | int err; | |
678 | ||
679 | BT_DBG("%s", hdev->name); | |
680 | ||
681 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
682 | return -EBUSY; | |
683 | ||
684 | switch (bt_cb(skb)->pkt_type) { | |
685 | case HCI_COMMAND_PKT: | |
686 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
687 | if (!urb) | |
688 | return -ENOMEM; | |
689 | ||
690 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
691 | if (!dr) { | |
692 | usb_free_urb(urb); | |
693 | return -ENOMEM; | |
694 | } | |
695 | ||
7a9d4020 | 696 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
697 | dr->bRequest = 0; |
698 | dr->wIndex = 0; | |
699 | dr->wValue = 0; | |
700 | dr->wLength = __cpu_to_le16(skb->len); | |
701 | ||
702 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
703 | ||
704 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
705 | skb->data, skb->len, btusb_tx_complete, skb); | |
706 | ||
707 | hdev->stat.cmd_tx++; | |
708 | break; | |
709 | ||
710 | case HCI_ACLDATA_PKT: | |
8693ac90 VCG |
711 | if (!data->bulk_tx_ep || (hdev->conn_hash.acl_num < 1 && |
712 | hdev->conn_hash.le_num < 1)) | |
9bfa35fe MH |
713 | return -ENODEV; |
714 | ||
5e23b923 MH |
715 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
716 | if (!urb) | |
717 | return -ENOMEM; | |
718 | ||
719 | pipe = usb_sndbulkpipe(data->udev, | |
720 | data->bulk_tx_ep->bEndpointAddress); | |
721 | ||
722 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
723 | skb->data, skb->len, btusb_tx_complete, skb); | |
724 | ||
725 | hdev->stat.acl_tx++; | |
726 | break; | |
727 | ||
728 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
729 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
730 | return -ENODEV; | |
731 | ||
732 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
733 | if (!urb) | |
734 | return -ENOMEM; | |
735 | ||
736 | pipe = usb_sndisocpipe(data->udev, | |
737 | data->isoc_tx_ep->bEndpointAddress); | |
738 | ||
03c2d0e8 GP |
739 | usb_fill_int_urb(urb, data->udev, pipe, |
740 | skb->data, skb->len, btusb_isoc_tx_complete, | |
741 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
742 | |
743 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
744 | |
745 | __fill_isoc_descriptor(urb, skb->len, | |
746 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
747 | ||
5e23b923 | 748 | hdev->stat.sco_tx++; |
7bee549e | 749 | goto skip_waking; |
5e23b923 MH |
750 | |
751 | default: | |
752 | return -EILSEQ; | |
753 | } | |
754 | ||
7bee549e ON |
755 | err = inc_tx(data); |
756 | if (err) { | |
757 | usb_anchor_urb(urb, &data->deferred); | |
758 | schedule_work(&data->waker); | |
759 | err = 0; | |
760 | goto done; | |
761 | } | |
762 | ||
763 | skip_waking: | |
5e23b923 MH |
764 | usb_anchor_urb(urb, &data->tx_anchor); |
765 | ||
766 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
767 | if (err < 0) { | |
768 | BT_ERR("%s urb %p submission failed", hdev->name, urb); | |
769 | kfree(urb->setup_packet); | |
770 | usb_unanchor_urb(urb); | |
7bee549e ON |
771 | } else { |
772 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
773 | } |
774 | ||
775 | usb_free_urb(urb); | |
776 | ||
7bee549e | 777 | done: |
5e23b923 MH |
778 | return err; |
779 | } | |
780 | ||
781 | static void btusb_destruct(struct hci_dev *hdev) | |
782 | { | |
783 | struct btusb_data *data = hdev->driver_data; | |
784 | ||
785 | BT_DBG("%s", hdev->name); | |
786 | ||
787 | kfree(data); | |
788 | } | |
789 | ||
790 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) | |
791 | { | |
792 | struct btusb_data *data = hdev->driver_data; | |
793 | ||
794 | BT_DBG("%s evt %d", hdev->name, evt); | |
795 | ||
43c2e57f MH |
796 | if (hdev->conn_hash.sco_num != data->sco_num) { |
797 | data->sco_num = hdev->conn_hash.sco_num; | |
798 | schedule_work(&data->work); | |
a780efa8 | 799 | } |
5e23b923 MH |
800 | } |
801 | ||
42b16b3f | 802 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe MH |
803 | { |
804 | struct btusb_data *data = hdev->driver_data; | |
805 | struct usb_interface *intf = data->isoc; | |
806 | struct usb_endpoint_descriptor *ep_desc; | |
807 | int i, err; | |
808 | ||
809 | if (!data->isoc) | |
810 | return -ENODEV; | |
811 | ||
812 | err = usb_set_interface(data->udev, 1, altsetting); | |
813 | if (err < 0) { | |
814 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
815 | return err; | |
816 | } | |
817 | ||
818 | data->isoc_altsetting = altsetting; | |
819 | ||
820 | data->isoc_tx_ep = NULL; | |
821 | data->isoc_rx_ep = NULL; | |
822 | ||
823 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
824 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
825 | ||
826 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
827 | data->isoc_tx_ep = ep_desc; | |
828 | continue; | |
829 | } | |
830 | ||
831 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
832 | data->isoc_rx_ep = ep_desc; | |
833 | continue; | |
834 | } | |
835 | } | |
836 | ||
837 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
838 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
839 | return -ENODEV; | |
840 | } | |
841 | ||
842 | return 0; | |
843 | } | |
844 | ||
5e23b923 MH |
845 | static void btusb_work(struct work_struct *work) |
846 | { | |
847 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
848 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 849 | int err; |
5e23b923 | 850 | |
9bfa35fe | 851 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 852 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 853 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
854 | if (err < 0) { |
855 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
856 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
857 | return; | |
858 | } | |
859 | ||
08b8b6c4 | 860 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 861 | } |
9bfa35fe MH |
862 | if (data->isoc_altsetting != 2) { |
863 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
864 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
865 | ||
866 | if (__set_isoc_interface(hdev, 2) < 0) | |
867 | return; | |
868 | } | |
869 | ||
870 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 871 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
872 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
873 | else | |
2eda66f4 | 874 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
875 | } |
876 | } else { | |
877 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
878 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
879 | ||
880 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 881 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 882 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
883 | } |
884 | } | |
885 | ||
7bee549e ON |
886 | static void btusb_waker(struct work_struct *work) |
887 | { | |
888 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
889 | int err; | |
890 | ||
891 | err = usb_autopm_get_interface(data->intf); | |
892 | if (err < 0) | |
893 | return; | |
894 | ||
895 | usb_autopm_put_interface(data->intf); | |
896 | } | |
897 | ||
5e23b923 MH |
898 | static int btusb_probe(struct usb_interface *intf, |
899 | const struct usb_device_id *id) | |
900 | { | |
901 | struct usb_endpoint_descriptor *ep_desc; | |
902 | struct btusb_data *data; | |
903 | struct hci_dev *hdev; | |
904 | int i, err; | |
905 | ||
906 | BT_DBG("intf %p id %p", intf, id); | |
907 | ||
cfeb4145 | 908 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
909 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
910 | return -ENODEV; | |
911 | ||
912 | if (!id->driver_info) { | |
913 | const struct usb_device_id *match; | |
914 | match = usb_match_id(intf, blacklist_table); | |
915 | if (match) | |
916 | id = match; | |
917 | } | |
918 | ||
cfeb4145 MH |
919 | if (id->driver_info == BTUSB_IGNORE) |
920 | return -ENODEV; | |
921 | ||
922 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
923 | return -ENODEV; | |
924 | ||
925 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
926 | return -ENODEV; | |
927 | ||
928 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
929 | return -ENODEV; | |
930 | ||
2d25f8b4 SL |
931 | if (id->driver_info & BTUSB_ATH3012) { |
932 | struct usb_device *udev = interface_to_usbdev(intf); | |
933 | ||
934 | /* Old firmware would otherwise let ath3k driver load | |
935 | * patch and sysconfig files */ | |
936 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
937 | return -ENODEV; | |
938 | } | |
939 | ||
5e23b923 MH |
940 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
941 | if (!data) | |
942 | return -ENOMEM; | |
943 | ||
944 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
945 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
946 | ||
947 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
948 | data->intr_ep = ep_desc; | |
949 | continue; | |
950 | } | |
951 | ||
952 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
953 | data->bulk_tx_ep = ep_desc; | |
954 | continue; | |
955 | } | |
956 | ||
957 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
958 | data->bulk_rx_ep = ep_desc; | |
959 | continue; | |
960 | } | |
961 | } | |
962 | ||
963 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
964 | kfree(data); | |
965 | return -ENODEV; | |
966 | } | |
967 | ||
7a9d4020 MH |
968 | data->cmdreq_type = USB_TYPE_CLASS; |
969 | ||
5e23b923 | 970 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 971 | data->intf = intf; |
5e23b923 MH |
972 | |
973 | spin_lock_init(&data->lock); | |
974 | ||
975 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
976 | INIT_WORK(&data->waker, btusb_waker); |
977 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
978 | |
979 | init_usb_anchor(&data->tx_anchor); | |
980 | init_usb_anchor(&data->intr_anchor); | |
981 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 982 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 983 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
984 | |
985 | hdev = hci_alloc_dev(); | |
986 | if (!hdev) { | |
987 | kfree(data); | |
988 | return -ENOMEM; | |
989 | } | |
990 | ||
c13854ce | 991 | hdev->bus = HCI_USB; |
5e23b923 MH |
992 | hdev->driver_data = data; |
993 | ||
994 | data->hdev = hdev; | |
995 | ||
996 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
997 | ||
998 | hdev->open = btusb_open; | |
999 | hdev->close = btusb_close; | |
1000 | hdev->flush = btusb_flush; | |
1001 | hdev->send = btusb_send_frame; | |
1002 | hdev->destruct = btusb_destruct; | |
1003 | hdev->notify = btusb_notify; | |
1004 | ||
1005 | hdev->owner = THIS_MODULE; | |
1006 | ||
7a9d4020 | 1007 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1008 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1009 | ||
7a9d4020 MH |
1010 | if (!reset) |
1011 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1012 | |
1013 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1014 | if (!disable_scofix) | |
1015 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1016 | } | |
1017 | ||
9bfa35fe MH |
1018 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1019 | data->isoc = NULL; | |
1020 | ||
7a9d4020 MH |
1021 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1022 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1023 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1024 | } | |
1025 | ||
1026 | if (id->driver_info & BTUSB_CSR) { | |
1027 | struct usb_device *udev = data->udev; | |
1028 | ||
1029 | /* Old firmware would otherwise execute USB reset */ | |
1030 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1031 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1032 | } | |
1033 | ||
cfeb4145 | 1034 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1035 | struct usb_device *udev = data->udev; |
cfeb4145 | 1036 | |
7a9d4020 | 1037 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1038 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1039 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1040 | |
1041 | data->isoc = NULL; | |
cfeb4145 MH |
1042 | } |
1043 | ||
1044 | if (id->driver_info & BTUSB_BCM92035) { | |
1045 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1046 | struct sk_buff *skb; | |
1047 | ||
1048 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1049 | if (skb) { | |
1050 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1051 | skb_queue_tail(&hdev->driver_init, skb); | |
1052 | } | |
1053 | } | |
5e23b923 | 1054 | |
9bfa35fe MH |
1055 | if (data->isoc) { |
1056 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1057 | data->isoc, data); |
9bfa35fe MH |
1058 | if (err < 0) { |
1059 | hci_free_dev(hdev); | |
1060 | kfree(data); | |
1061 | return err; | |
1062 | } | |
1063 | } | |
1064 | ||
5e23b923 MH |
1065 | err = hci_register_dev(hdev); |
1066 | if (err < 0) { | |
1067 | hci_free_dev(hdev); | |
1068 | kfree(data); | |
1069 | return err; | |
1070 | } | |
1071 | ||
1072 | usb_set_intfdata(intf, data); | |
1073 | ||
1074 | return 0; | |
1075 | } | |
1076 | ||
1077 | static void btusb_disconnect(struct usb_interface *intf) | |
1078 | { | |
1079 | struct btusb_data *data = usb_get_intfdata(intf); | |
1080 | struct hci_dev *hdev; | |
1081 | ||
1082 | BT_DBG("intf %p", intf); | |
1083 | ||
1084 | if (!data) | |
1085 | return; | |
1086 | ||
1087 | hdev = data->hdev; | |
1088 | ||
5fbcd260 | 1089 | __hci_dev_hold(hdev); |
9bfa35fe | 1090 | |
5fbcd260 MH |
1091 | usb_set_intfdata(data->intf, NULL); |
1092 | ||
1093 | if (data->isoc) | |
1094 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1095 | |
1096 | hci_unregister_dev(hdev); | |
1097 | ||
5fbcd260 MH |
1098 | if (intf == data->isoc) |
1099 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1100 | else if (data->isoc) | |
1101 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1102 | ||
1103 | __hci_dev_put(hdev); | |
1104 | ||
5e23b923 MH |
1105 | hci_free_dev(hdev); |
1106 | } | |
1107 | ||
7bee549e | 1108 | #ifdef CONFIG_PM |
6a88adf2 MH |
1109 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1110 | { | |
1111 | struct btusb_data *data = usb_get_intfdata(intf); | |
1112 | ||
1113 | BT_DBG("intf %p", intf); | |
1114 | ||
1115 | if (data->suspend_count++) | |
1116 | return 0; | |
1117 | ||
7bee549e | 1118 | spin_lock_irq(&data->txlock); |
fb34d537 | 1119 | if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) { |
7bee549e ON |
1120 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1121 | spin_unlock_irq(&data->txlock); | |
1122 | } else { | |
1123 | spin_unlock_irq(&data->txlock); | |
1124 | data->suspend_count--; | |
1125 | return -EBUSY; | |
1126 | } | |
1127 | ||
6a88adf2 MH |
1128 | cancel_work_sync(&data->work); |
1129 | ||
7bee549e | 1130 | btusb_stop_traffic(data); |
6a88adf2 MH |
1131 | usb_kill_anchored_urbs(&data->tx_anchor); |
1132 | ||
6a88adf2 MH |
1133 | return 0; |
1134 | } | |
1135 | ||
7bee549e ON |
1136 | static void play_deferred(struct btusb_data *data) |
1137 | { | |
1138 | struct urb *urb; | |
1139 | int err; | |
1140 | ||
1141 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1142 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1143 | if (err < 0) | |
1144 | break; | |
1145 | ||
1146 | data->tx_in_flight++; | |
1147 | } | |
1148 | usb_scuttle_anchored_urbs(&data->deferred); | |
1149 | } | |
1150 | ||
6a88adf2 MH |
1151 | static int btusb_resume(struct usb_interface *intf) |
1152 | { | |
1153 | struct btusb_data *data = usb_get_intfdata(intf); | |
1154 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1155 | int err = 0; |
6a88adf2 MH |
1156 | |
1157 | BT_DBG("intf %p", intf); | |
1158 | ||
1159 | if (--data->suspend_count) | |
1160 | return 0; | |
1161 | ||
1162 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1163 | goto done; |
6a88adf2 MH |
1164 | |
1165 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1166 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1167 | if (err < 0) { | |
1168 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1169 | goto failed; |
6a88adf2 MH |
1170 | } |
1171 | } | |
1172 | ||
1173 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1174 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1175 | if (err < 0) { | |
6a88adf2 | 1176 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1177 | goto failed; |
1178 | } | |
1179 | ||
1180 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1181 | } |
1182 | ||
1183 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1184 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1185 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1186 | else | |
1187 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1188 | } | |
1189 | ||
7bee549e ON |
1190 | spin_lock_irq(&data->txlock); |
1191 | play_deferred(data); | |
1192 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1193 | spin_unlock_irq(&data->txlock); | |
1194 | schedule_work(&data->work); | |
1195 | ||
6a88adf2 | 1196 | return 0; |
7bee549e ON |
1197 | |
1198 | failed: | |
1199 | usb_scuttle_anchored_urbs(&data->deferred); | |
1200 | done: | |
1201 | spin_lock_irq(&data->txlock); | |
1202 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1203 | spin_unlock_irq(&data->txlock); | |
1204 | ||
1205 | return err; | |
6a88adf2 | 1206 | } |
7bee549e | 1207 | #endif |
6a88adf2 | 1208 | |
5e23b923 MH |
1209 | static struct usb_driver btusb_driver = { |
1210 | .name = "btusb", | |
1211 | .probe = btusb_probe, | |
1212 | .disconnect = btusb_disconnect, | |
7bee549e | 1213 | #ifdef CONFIG_PM |
6a88adf2 MH |
1214 | .suspend = btusb_suspend, |
1215 | .resume = btusb_resume, | |
7bee549e | 1216 | #endif |
5e23b923 | 1217 | .id_table = btusb_table, |
7bee549e | 1218 | .supports_autosuspend = 1, |
5e23b923 MH |
1219 | }; |
1220 | ||
1221 | static int __init btusb_init(void) | |
1222 | { | |
1223 | BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); | |
1224 | ||
1225 | return usb_register(&btusb_driver); | |
1226 | } | |
1227 | ||
1228 | static void __exit btusb_exit(void) | |
1229 | { | |
1230 | usb_deregister(&btusb_driver); | |
1231 | } | |
1232 | ||
1233 | module_init(btusb_init); | |
1234 | module_exit(btusb_exit); | |
1235 | ||
cfeb4145 MH |
1236 | module_param(ignore_dga, bool, 0644); |
1237 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1238 | ||
1239 | module_param(ignore_csr, bool, 0644); | |
1240 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1241 | ||
1242 | module_param(ignore_sniffer, bool, 0644); | |
1243 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1244 | ||
1245 | module_param(disable_scofix, bool, 0644); | |
1246 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1247 | ||
1248 | module_param(force_scofix, bool, 0644); | |
1249 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1250 | ||
1251 | module_param(reset, bool, 0644); | |
1252 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1253 | ||
5e23b923 MH |
1254 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1255 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1256 | MODULE_VERSION(VERSION); | |
1257 | MODULE_LICENSE("GPL"); |