Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/kernel.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/init.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/types.h> | |
29 | #include <linux/sched.h> | |
30 | #include <linux/errno.h> | |
31 | #include <linux/skbuff.h> | |
32 | ||
33 | #include <linux/usb.h> | |
34 | ||
35 | #include <net/bluetooth/bluetooth.h> | |
36 | #include <net/bluetooth/hci_core.h> | |
37 | ||
7bee549e | 38 | #define VERSION "0.6" |
cfeb4145 | 39 | |
90ab5ee9 RR |
40 | static bool ignore_dga; |
41 | static bool ignore_csr; | |
42 | static bool ignore_sniffer; | |
43 | static bool disable_scofix; | |
44 | static bool force_scofix; | |
7a9d4020 | 45 | |
90ab5ee9 | 46 | static bool 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) }, |
37305cf6 | 105 | { USB_DEVICE(0x0a5c, 0x21f3) }, |
d13431ca WJS |
106 | { USB_DEVICE(0x413c, 0x8197) }, |
107 | ||
5e23b923 MH |
108 | { } /* Terminating entry */ |
109 | }; | |
110 | ||
111 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
112 | ||
113 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
114 | /* CSR BlueCore devices */ |
115 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
116 | ||
117 | /* Broadcom BCM2033 without firmware */ | |
118 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
119 | ||
be93112a BS |
120 | /* Atheros 3011 with sflash firmware */ |
121 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 122 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 123 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 124 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
be93112a | 125 | |
509e7861 CYC |
126 | /* Atheros AR9285 Malbec with sflash firmware */ |
127 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
128 | ||
d9f51b51 | 129 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 130 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 131 | |
e9036e33 CYC |
132 | /* Atheros AR5BBU12 with sflash firmware */ |
133 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
134 | ||
cfeb4145 | 135 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
136 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
137 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
138 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
139 | |
140 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
141 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
142 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 143 | |
cfeb4145 | 144 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
145 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
146 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
147 | |
148 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 149 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
150 | |
151 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 152 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 153 | |
5ddd4a60 | 154 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 155 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 156 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 157 | |
7a9d4020 MH |
158 | /* Belkin F8T012 and F8T013 devices */ |
159 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
160 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 161 | |
5ddd4a60 MH |
162 | /* Asus WL-BTD202 device */ |
163 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
164 | ||
165 | /* Kensington Bluetooth USB adapter */ | |
166 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
167 | ||
cfeb4145 MH |
168 | /* RTX Telecom based adapters with buggy SCO support */ |
169 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
170 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
171 | ||
172 | /* CONWISE Technology based adapters with buggy SCO support */ | |
173 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
174 | ||
cfeb4145 MH |
175 | /* Digianswer devices */ |
176 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
177 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
178 | ||
179 | /* CSR BlueCore Bluetooth Sniffer */ | |
180 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
181 | ||
182 | /* Frontline ComProbe Bluetooth Sniffer */ | |
183 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
184 | ||
5e23b923 MH |
185 | { } /* Terminating entry */ |
186 | }; | |
187 | ||
9bfa35fe MH |
188 | #define BTUSB_MAX_ISOC_FRAMES 10 |
189 | ||
5e23b923 MH |
190 | #define BTUSB_INTR_RUNNING 0 |
191 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 192 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 193 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 194 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
195 | |
196 | struct btusb_data { | |
197 | struct hci_dev *hdev; | |
198 | struct usb_device *udev; | |
5fbcd260 | 199 | struct usb_interface *intf; |
9bfa35fe | 200 | struct usb_interface *isoc; |
5e23b923 MH |
201 | |
202 | spinlock_t lock; | |
203 | ||
204 | unsigned long flags; | |
205 | ||
206 | struct work_struct work; | |
7bee549e | 207 | struct work_struct waker; |
5e23b923 MH |
208 | |
209 | struct usb_anchor tx_anchor; | |
210 | struct usb_anchor intr_anchor; | |
211 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 212 | struct usb_anchor isoc_anchor; |
7bee549e ON |
213 | struct usb_anchor deferred; |
214 | int tx_in_flight; | |
215 | spinlock_t txlock; | |
5e23b923 MH |
216 | |
217 | struct usb_endpoint_descriptor *intr_ep; | |
218 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
219 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
220 | struct usb_endpoint_descriptor *isoc_tx_ep; |
221 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
222 | ||
7a9d4020 MH |
223 | __u8 cmdreq_type; |
224 | ||
43c2e57f | 225 | unsigned int sco_num; |
9bfa35fe | 226 | int isoc_altsetting; |
6a88adf2 | 227 | int suspend_count; |
5e23b923 MH |
228 | }; |
229 | ||
7bee549e ON |
230 | static int inc_tx(struct btusb_data *data) |
231 | { | |
232 | unsigned long flags; | |
233 | int rv; | |
234 | ||
235 | spin_lock_irqsave(&data->txlock, flags); | |
236 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
237 | if (!rv) | |
238 | data->tx_in_flight++; | |
239 | spin_unlock_irqrestore(&data->txlock, flags); | |
240 | ||
241 | return rv; | |
242 | } | |
243 | ||
5e23b923 MH |
244 | static void btusb_intr_complete(struct urb *urb) |
245 | { | |
246 | struct hci_dev *hdev = urb->context; | |
155961e8 | 247 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
248 | int err; |
249 | ||
250 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
251 | urb, urb->status, urb->actual_length); | |
252 | ||
253 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
254 | return; | |
255 | ||
256 | if (urb->status == 0) { | |
9bfa35fe MH |
257 | hdev->stat.byte_rx += urb->actual_length; |
258 | ||
5e23b923 MH |
259 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
260 | urb->transfer_buffer, | |
261 | urb->actual_length) < 0) { | |
262 | BT_ERR("%s corrupted event packet", hdev->name); | |
263 | hdev->stat.err_rx++; | |
264 | } | |
265 | } | |
266 | ||
267 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
268 | return; | |
269 | ||
7bee549e | 270 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
271 | usb_anchor_urb(urb, &data->intr_anchor); |
272 | ||
273 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
274 | if (err < 0) { | |
4935f1c1 PB |
275 | /* -EPERM: urb is being killed; |
276 | * -ENODEV: device got disconnected */ | |
277 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 278 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
279 | hdev->name, urb, -err); |
280 | usb_unanchor_urb(urb); | |
281 | } | |
282 | } | |
283 | ||
2eda66f4 | 284 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 285 | { |
155961e8 | 286 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
287 | struct urb *urb; |
288 | unsigned char *buf; | |
289 | unsigned int pipe; | |
290 | int err, size; | |
291 | ||
292 | BT_DBG("%s", hdev->name); | |
293 | ||
9bfa35fe MH |
294 | if (!data->intr_ep) |
295 | return -ENODEV; | |
296 | ||
2eda66f4 | 297 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
298 | if (!urb) |
299 | return -ENOMEM; | |
300 | ||
301 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
302 | ||
2eda66f4 | 303 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
304 | if (!buf) { |
305 | usb_free_urb(urb); | |
306 | return -ENOMEM; | |
307 | } | |
308 | ||
309 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
310 | ||
311 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
312 | btusb_intr_complete, hdev, | |
313 | data->intr_ep->bInterval); | |
314 | ||
315 | urb->transfer_flags |= URB_FREE_BUFFER; | |
316 | ||
317 | usb_anchor_urb(urb, &data->intr_anchor); | |
318 | ||
2eda66f4 | 319 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 320 | if (err < 0) { |
d4b8d1c9 PB |
321 | if (err != -EPERM && err != -ENODEV) |
322 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
323 | hdev->name, urb, -err); |
324 | usb_unanchor_urb(urb); | |
5e23b923 MH |
325 | } |
326 | ||
327 | usb_free_urb(urb); | |
328 | ||
329 | return err; | |
330 | } | |
331 | ||
332 | static void btusb_bulk_complete(struct urb *urb) | |
333 | { | |
334 | struct hci_dev *hdev = urb->context; | |
155961e8 | 335 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
336 | int err; |
337 | ||
338 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
339 | urb, urb->status, urb->actual_length); | |
340 | ||
341 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
342 | return; | |
343 | ||
344 | if (urb->status == 0) { | |
9bfa35fe MH |
345 | hdev->stat.byte_rx += urb->actual_length; |
346 | ||
5e23b923 MH |
347 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
348 | urb->transfer_buffer, | |
349 | urb->actual_length) < 0) { | |
350 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
351 | hdev->stat.err_rx++; | |
352 | } | |
353 | } | |
354 | ||
355 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
356 | return; | |
357 | ||
358 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 359 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
360 | |
361 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
362 | if (err < 0) { | |
4935f1c1 PB |
363 | /* -EPERM: urb is being killed; |
364 | * -ENODEV: device got disconnected */ | |
365 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 366 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
367 | hdev->name, urb, -err); |
368 | usb_unanchor_urb(urb); | |
369 | } | |
370 | } | |
371 | ||
2eda66f4 | 372 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 373 | { |
155961e8 | 374 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
375 | struct urb *urb; |
376 | unsigned char *buf; | |
377 | unsigned int pipe; | |
290ba200 | 378 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
379 | |
380 | BT_DBG("%s", hdev->name); | |
381 | ||
9bfa35fe MH |
382 | if (!data->bulk_rx_ep) |
383 | return -ENODEV; | |
384 | ||
2eda66f4 | 385 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
386 | if (!urb) |
387 | return -ENOMEM; | |
388 | ||
2eda66f4 | 389 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
390 | if (!buf) { |
391 | usb_free_urb(urb); | |
392 | return -ENOMEM; | |
393 | } | |
394 | ||
395 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
396 | ||
397 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
398 | buf, size, btusb_bulk_complete, hdev); | |
399 | ||
400 | urb->transfer_flags |= URB_FREE_BUFFER; | |
401 | ||
7bee549e | 402 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
403 | usb_anchor_urb(urb, &data->bulk_anchor); |
404 | ||
2eda66f4 | 405 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 406 | if (err < 0) { |
d4b8d1c9 PB |
407 | if (err != -EPERM && err != -ENODEV) |
408 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
409 | hdev->name, urb, -err); |
410 | usb_unanchor_urb(urb); | |
5e23b923 MH |
411 | } |
412 | ||
413 | usb_free_urb(urb); | |
414 | ||
415 | return err; | |
416 | } | |
417 | ||
9bfa35fe MH |
418 | static void btusb_isoc_complete(struct urb *urb) |
419 | { | |
420 | struct hci_dev *hdev = urb->context; | |
155961e8 | 421 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
422 | int i, err; |
423 | ||
424 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
425 | urb, urb->status, urb->actual_length); | |
426 | ||
427 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
428 | return; | |
429 | ||
430 | if (urb->status == 0) { | |
431 | for (i = 0; i < urb->number_of_packets; i++) { | |
432 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
433 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
434 | ||
435 | if (urb->iso_frame_desc[i].status) | |
436 | continue; | |
437 | ||
438 | hdev->stat.byte_rx += length; | |
439 | ||
440 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
441 | urb->transfer_buffer + offset, | |
442 | length) < 0) { | |
443 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
444 | hdev->stat.err_rx++; | |
445 | } | |
446 | } | |
447 | } | |
448 | ||
449 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
450 | return; | |
451 | ||
452 | usb_anchor_urb(urb, &data->isoc_anchor); | |
453 | ||
454 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
455 | if (err < 0) { | |
4935f1c1 PB |
456 | /* -EPERM: urb is being killed; |
457 | * -ENODEV: device got disconnected */ | |
458 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 459 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
460 | hdev->name, urb, -err); |
461 | usb_unanchor_urb(urb); | |
462 | } | |
463 | } | |
464 | ||
42b16b3f | 465 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
466 | { |
467 | int i, offset = 0; | |
468 | ||
469 | BT_DBG("len %d mtu %d", len, mtu); | |
470 | ||
471 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
472 | i++, offset += mtu, len -= mtu) { | |
473 | urb->iso_frame_desc[i].offset = offset; | |
474 | urb->iso_frame_desc[i].length = mtu; | |
475 | } | |
476 | ||
477 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
478 | urb->iso_frame_desc[i].offset = offset; | |
479 | urb->iso_frame_desc[i].length = len; | |
480 | i++; | |
481 | } | |
482 | ||
483 | urb->number_of_packets = i; | |
484 | } | |
485 | ||
2eda66f4 | 486 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 487 | { |
155961e8 | 488 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
489 | struct urb *urb; |
490 | unsigned char *buf; | |
491 | unsigned int pipe; | |
492 | int err, size; | |
493 | ||
494 | BT_DBG("%s", hdev->name); | |
495 | ||
496 | if (!data->isoc_rx_ep) | |
497 | return -ENODEV; | |
498 | ||
2eda66f4 | 499 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
500 | if (!urb) |
501 | return -ENOMEM; | |
502 | ||
503 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
504 | BTUSB_MAX_ISOC_FRAMES; | |
505 | ||
2eda66f4 | 506 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
507 | if (!buf) { |
508 | usb_free_urb(urb); | |
509 | return -ENOMEM; | |
510 | } | |
511 | ||
512 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
513 | ||
fa0fb93f BZ |
514 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
515 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
516 | |
517 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
518 | |
519 | __fill_isoc_descriptor(urb, size, | |
520 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
521 | ||
522 | usb_anchor_urb(urb, &data->isoc_anchor); | |
523 | ||
2eda66f4 | 524 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 525 | if (err < 0) { |
d4b8d1c9 PB |
526 | if (err != -EPERM && err != -ENODEV) |
527 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
528 | hdev->name, urb, -err); |
529 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
530 | } |
531 | ||
532 | usb_free_urb(urb); | |
533 | ||
534 | return err; | |
535 | } | |
536 | ||
5e23b923 | 537 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
538 | { |
539 | struct sk_buff *skb = urb->context; | |
540 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 541 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
542 | |
543 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
544 | urb, urb->status, urb->actual_length); | |
545 | ||
546 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
547 | goto done; | |
548 | ||
549 | if (!urb->status) | |
550 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
551 | else | |
552 | hdev->stat.err_tx++; | |
553 | ||
554 | done: | |
555 | spin_lock(&data->txlock); | |
556 | data->tx_in_flight--; | |
557 | spin_unlock(&data->txlock); | |
558 | ||
559 | kfree(urb->setup_packet); | |
560 | ||
561 | kfree_skb(skb); | |
562 | } | |
563 | ||
564 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
565 | { |
566 | struct sk_buff *skb = urb->context; | |
567 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
568 | ||
569 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
570 | urb, urb->status, urb->actual_length); | |
571 | ||
572 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
573 | goto done; | |
574 | ||
575 | if (!urb->status) | |
576 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
577 | else | |
578 | hdev->stat.err_tx++; | |
579 | ||
580 | done: | |
581 | kfree(urb->setup_packet); | |
582 | ||
583 | kfree_skb(skb); | |
584 | } | |
585 | ||
586 | static int btusb_open(struct hci_dev *hdev) | |
587 | { | |
155961e8 | 588 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
589 | int err; |
590 | ||
591 | BT_DBG("%s", hdev->name); | |
592 | ||
7bee549e ON |
593 | err = usb_autopm_get_interface(data->intf); |
594 | if (err < 0) | |
595 | return err; | |
596 | ||
597 | data->intf->needs_remote_wakeup = 1; | |
598 | ||
5e23b923 | 599 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 600 | goto done; |
5e23b923 MH |
601 | |
602 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 603 | goto done; |
5e23b923 | 604 | |
2eda66f4 | 605 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
606 | if (err < 0) |
607 | goto failed; | |
608 | ||
609 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 610 | if (err < 0) { |
43c2e57f MH |
611 | usb_kill_anchored_urbs(&data->intr_anchor); |
612 | goto failed; | |
5e23b923 MH |
613 | } |
614 | ||
43c2e57f MH |
615 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
616 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
617 | ||
7bee549e ON |
618 | done: |
619 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
620 | return 0; |
621 | ||
622 | failed: | |
623 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
624 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 625 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
626 | return err; |
627 | } | |
628 | ||
7bee549e ON |
629 | static void btusb_stop_traffic(struct btusb_data *data) |
630 | { | |
631 | usb_kill_anchored_urbs(&data->intr_anchor); | |
632 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
633 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
634 | } | |
635 | ||
5e23b923 MH |
636 | static int btusb_close(struct hci_dev *hdev) |
637 | { | |
155961e8 | 638 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 639 | int err; |
5e23b923 MH |
640 | |
641 | BT_DBG("%s", hdev->name); | |
642 | ||
643 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
644 | return 0; | |
645 | ||
e8c3c3d2 | 646 | cancel_work_sync(&data->work); |
404291ac | 647 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 648 | |
9bfa35fe | 649 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 650 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 651 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
652 | |
653 | btusb_stop_traffic(data); | |
654 | err = usb_autopm_get_interface(data->intf); | |
655 | if (err < 0) | |
7b8e2c1d | 656 | goto failed; |
7bee549e ON |
657 | |
658 | data->intf->needs_remote_wakeup = 0; | |
659 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 660 | |
7b8e2c1d ON |
661 | failed: |
662 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
663 | return 0; |
664 | } | |
665 | ||
666 | static int btusb_flush(struct hci_dev *hdev) | |
667 | { | |
155961e8 | 668 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
669 | |
670 | BT_DBG("%s", hdev->name); | |
671 | ||
672 | usb_kill_anchored_urbs(&data->tx_anchor); | |
673 | ||
674 | return 0; | |
675 | } | |
676 | ||
677 | static int btusb_send_frame(struct sk_buff *skb) | |
678 | { | |
679 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 680 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
681 | struct usb_ctrlrequest *dr; |
682 | struct urb *urb; | |
683 | unsigned int pipe; | |
684 | int err; | |
685 | ||
686 | BT_DBG("%s", hdev->name); | |
687 | ||
688 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
689 | return -EBUSY; | |
690 | ||
691 | switch (bt_cb(skb)->pkt_type) { | |
692 | case HCI_COMMAND_PKT: | |
693 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
694 | if (!urb) | |
695 | return -ENOMEM; | |
696 | ||
697 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
698 | if (!dr) { | |
699 | usb_free_urb(urb); | |
700 | return -ENOMEM; | |
701 | } | |
702 | ||
7a9d4020 | 703 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
704 | dr->bRequest = 0; |
705 | dr->wIndex = 0; | |
706 | dr->wValue = 0; | |
707 | dr->wLength = __cpu_to_le16(skb->len); | |
708 | ||
709 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
710 | ||
711 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
712 | skb->data, skb->len, btusb_tx_complete, skb); | |
713 | ||
714 | hdev->stat.cmd_tx++; | |
715 | break; | |
716 | ||
717 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 718 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
719 | return -ENODEV; |
720 | ||
5e23b923 MH |
721 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
722 | if (!urb) | |
723 | return -ENOMEM; | |
724 | ||
725 | pipe = usb_sndbulkpipe(data->udev, | |
726 | data->bulk_tx_ep->bEndpointAddress); | |
727 | ||
728 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
729 | skb->data, skb->len, btusb_tx_complete, skb); | |
730 | ||
731 | hdev->stat.acl_tx++; | |
732 | break; | |
733 | ||
734 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
735 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
736 | return -ENODEV; | |
737 | ||
738 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
739 | if (!urb) | |
740 | return -ENOMEM; | |
741 | ||
742 | pipe = usb_sndisocpipe(data->udev, | |
743 | data->isoc_tx_ep->bEndpointAddress); | |
744 | ||
03c2d0e8 GP |
745 | usb_fill_int_urb(urb, data->udev, pipe, |
746 | skb->data, skb->len, btusb_isoc_tx_complete, | |
747 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
748 | |
749 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
750 | |
751 | __fill_isoc_descriptor(urb, skb->len, | |
752 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
753 | ||
5e23b923 | 754 | hdev->stat.sco_tx++; |
7bee549e | 755 | goto skip_waking; |
5e23b923 MH |
756 | |
757 | default: | |
758 | return -EILSEQ; | |
759 | } | |
760 | ||
7bee549e ON |
761 | err = inc_tx(data); |
762 | if (err) { | |
763 | usb_anchor_urb(urb, &data->deferred); | |
764 | schedule_work(&data->waker); | |
765 | err = 0; | |
766 | goto done; | |
767 | } | |
768 | ||
769 | skip_waking: | |
5e23b923 MH |
770 | usb_anchor_urb(urb, &data->tx_anchor); |
771 | ||
772 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
773 | if (err < 0) { | |
5a9b80e2 PB |
774 | if (err != -EPERM && err != -ENODEV) |
775 | BT_ERR("%s urb %p submission failed (%d)", | |
776 | hdev->name, urb, -err); | |
5e23b923 MH |
777 | kfree(urb->setup_packet); |
778 | usb_unanchor_urb(urb); | |
7bee549e ON |
779 | } else { |
780 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
781 | } |
782 | ||
7bee549e | 783 | done: |
54a8a79c | 784 | usb_free_urb(urb); |
5e23b923 MH |
785 | return err; |
786 | } | |
787 | ||
5e23b923 MH |
788 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
789 | { | |
155961e8 | 790 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
791 | |
792 | BT_DBG("%s evt %d", hdev->name, evt); | |
793 | ||
43c2e57f MH |
794 | if (hdev->conn_hash.sco_num != data->sco_num) { |
795 | data->sco_num = hdev->conn_hash.sco_num; | |
796 | schedule_work(&data->work); | |
a780efa8 | 797 | } |
5e23b923 MH |
798 | } |
799 | ||
42b16b3f | 800 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 801 | { |
155961e8 | 802 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
803 | struct usb_interface *intf = data->isoc; |
804 | struct usb_endpoint_descriptor *ep_desc; | |
805 | int i, err; | |
806 | ||
807 | if (!data->isoc) | |
808 | return -ENODEV; | |
809 | ||
810 | err = usb_set_interface(data->udev, 1, altsetting); | |
811 | if (err < 0) { | |
812 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
813 | return err; | |
814 | } | |
815 | ||
816 | data->isoc_altsetting = altsetting; | |
817 | ||
818 | data->isoc_tx_ep = NULL; | |
819 | data->isoc_rx_ep = NULL; | |
820 | ||
821 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
822 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
823 | ||
824 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
825 | data->isoc_tx_ep = ep_desc; | |
826 | continue; | |
827 | } | |
828 | ||
829 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
830 | data->isoc_rx_ep = ep_desc; | |
831 | continue; | |
832 | } | |
833 | } | |
834 | ||
835 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
836 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
837 | return -ENODEV; | |
838 | } | |
839 | ||
840 | return 0; | |
841 | } | |
842 | ||
5e23b923 MH |
843 | static void btusb_work(struct work_struct *work) |
844 | { | |
845 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
846 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 847 | int err; |
5e23b923 | 848 | |
9bfa35fe | 849 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 850 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 851 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
852 | if (err < 0) { |
853 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
854 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
855 | return; | |
856 | } | |
857 | ||
08b8b6c4 | 858 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 859 | } |
9bfa35fe MH |
860 | if (data->isoc_altsetting != 2) { |
861 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
862 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
863 | ||
864 | if (__set_isoc_interface(hdev, 2) < 0) | |
865 | return; | |
866 | } | |
867 | ||
868 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 869 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
870 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
871 | else | |
2eda66f4 | 872 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
873 | } |
874 | } else { | |
875 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
876 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
877 | ||
878 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 879 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 880 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
881 | } |
882 | } | |
883 | ||
7bee549e ON |
884 | static void btusb_waker(struct work_struct *work) |
885 | { | |
886 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
887 | int err; | |
888 | ||
889 | err = usb_autopm_get_interface(data->intf); | |
890 | if (err < 0) | |
891 | return; | |
892 | ||
893 | usb_autopm_put_interface(data->intf); | |
894 | } | |
895 | ||
5e23b923 MH |
896 | static int btusb_probe(struct usb_interface *intf, |
897 | const struct usb_device_id *id) | |
898 | { | |
899 | struct usb_endpoint_descriptor *ep_desc; | |
900 | struct btusb_data *data; | |
901 | struct hci_dev *hdev; | |
902 | int i, err; | |
903 | ||
904 | BT_DBG("intf %p id %p", intf, id); | |
905 | ||
cfeb4145 | 906 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
907 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
908 | return -ENODEV; | |
909 | ||
910 | if (!id->driver_info) { | |
911 | const struct usb_device_id *match; | |
912 | match = usb_match_id(intf, blacklist_table); | |
913 | if (match) | |
914 | id = match; | |
915 | } | |
916 | ||
cfeb4145 MH |
917 | if (id->driver_info == BTUSB_IGNORE) |
918 | return -ENODEV; | |
919 | ||
920 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
921 | return -ENODEV; | |
922 | ||
923 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
924 | return -ENODEV; | |
925 | ||
926 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
927 | return -ENODEV; | |
928 | ||
2d25f8b4 SL |
929 | if (id->driver_info & BTUSB_ATH3012) { |
930 | struct usb_device *udev = interface_to_usbdev(intf); | |
931 | ||
932 | /* Old firmware would otherwise let ath3k driver load | |
933 | * patch and sysconfig files */ | |
934 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
935 | return -ENODEV; | |
936 | } | |
937 | ||
5e23b923 MH |
938 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
939 | if (!data) | |
940 | return -ENOMEM; | |
941 | ||
942 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
943 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
944 | ||
945 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
946 | data->intr_ep = ep_desc; | |
947 | continue; | |
948 | } | |
949 | ||
950 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
951 | data->bulk_tx_ep = ep_desc; | |
952 | continue; | |
953 | } | |
954 | ||
955 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
956 | data->bulk_rx_ep = ep_desc; | |
957 | continue; | |
958 | } | |
959 | } | |
960 | ||
961 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
962 | kfree(data); | |
963 | return -ENODEV; | |
964 | } | |
965 | ||
7a9d4020 MH |
966 | data->cmdreq_type = USB_TYPE_CLASS; |
967 | ||
5e23b923 | 968 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 969 | data->intf = intf; |
5e23b923 MH |
970 | |
971 | spin_lock_init(&data->lock); | |
972 | ||
973 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
974 | INIT_WORK(&data->waker, btusb_waker); |
975 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
976 | |
977 | init_usb_anchor(&data->tx_anchor); | |
978 | init_usb_anchor(&data->intr_anchor); | |
979 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 980 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 981 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
982 | |
983 | hdev = hci_alloc_dev(); | |
984 | if (!hdev) { | |
985 | kfree(data); | |
986 | return -ENOMEM; | |
987 | } | |
988 | ||
c13854ce | 989 | hdev->bus = HCI_USB; |
155961e8 | 990 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
991 | |
992 | data->hdev = hdev; | |
993 | ||
994 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
995 | ||
996 | hdev->open = btusb_open; | |
997 | hdev->close = btusb_close; | |
998 | hdev->flush = btusb_flush; | |
999 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1000 | hdev->notify = btusb_notify; |
1001 | ||
7a9d4020 | 1002 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1003 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1004 | ||
7a9d4020 MH |
1005 | if (!reset) |
1006 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1007 | |
1008 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1009 | if (!disable_scofix) | |
1010 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1011 | } | |
1012 | ||
9bfa35fe MH |
1013 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1014 | data->isoc = NULL; | |
1015 | ||
7a9d4020 MH |
1016 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1017 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1018 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1019 | } | |
1020 | ||
1021 | if (id->driver_info & BTUSB_CSR) { | |
1022 | struct usb_device *udev = data->udev; | |
1023 | ||
1024 | /* Old firmware would otherwise execute USB reset */ | |
1025 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1026 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1027 | } | |
1028 | ||
cfeb4145 | 1029 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1030 | struct usb_device *udev = data->udev; |
cfeb4145 | 1031 | |
7a9d4020 | 1032 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1033 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1034 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1035 | |
1036 | data->isoc = NULL; | |
cfeb4145 MH |
1037 | } |
1038 | ||
1039 | if (id->driver_info & BTUSB_BCM92035) { | |
1040 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1041 | struct sk_buff *skb; | |
1042 | ||
1043 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1044 | if (skb) { | |
1045 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1046 | skb_queue_tail(&hdev->driver_init, skb); | |
1047 | } | |
1048 | } | |
5e23b923 | 1049 | |
9bfa35fe MH |
1050 | if (data->isoc) { |
1051 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1052 | data->isoc, data); |
9bfa35fe MH |
1053 | if (err < 0) { |
1054 | hci_free_dev(hdev); | |
1055 | kfree(data); | |
1056 | return err; | |
1057 | } | |
1058 | } | |
1059 | ||
5e23b923 MH |
1060 | err = hci_register_dev(hdev); |
1061 | if (err < 0) { | |
1062 | hci_free_dev(hdev); | |
1063 | kfree(data); | |
1064 | return err; | |
1065 | } | |
1066 | ||
1067 | usb_set_intfdata(intf, data); | |
1068 | ||
1069 | return 0; | |
1070 | } | |
1071 | ||
1072 | static void btusb_disconnect(struct usb_interface *intf) | |
1073 | { | |
1074 | struct btusb_data *data = usb_get_intfdata(intf); | |
1075 | struct hci_dev *hdev; | |
1076 | ||
1077 | BT_DBG("intf %p", intf); | |
1078 | ||
1079 | if (!data) | |
1080 | return; | |
1081 | ||
1082 | hdev = data->hdev; | |
5fbcd260 MH |
1083 | usb_set_intfdata(data->intf, NULL); |
1084 | ||
1085 | if (data->isoc) | |
1086 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1087 | |
1088 | hci_unregister_dev(hdev); | |
1089 | ||
5fbcd260 MH |
1090 | if (intf == data->isoc) |
1091 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1092 | else if (data->isoc) | |
1093 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1094 | ||
5e23b923 | 1095 | hci_free_dev(hdev); |
8381088e | 1096 | kfree(data); |
5e23b923 MH |
1097 | } |
1098 | ||
7bee549e | 1099 | #ifdef CONFIG_PM |
6a88adf2 MH |
1100 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1101 | { | |
1102 | struct btusb_data *data = usb_get_intfdata(intf); | |
1103 | ||
1104 | BT_DBG("intf %p", intf); | |
1105 | ||
1106 | if (data->suspend_count++) | |
1107 | return 0; | |
1108 | ||
7bee549e | 1109 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1110 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1111 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1112 | spin_unlock_irq(&data->txlock); | |
1113 | } else { | |
1114 | spin_unlock_irq(&data->txlock); | |
1115 | data->suspend_count--; | |
1116 | return -EBUSY; | |
1117 | } | |
1118 | ||
6a88adf2 MH |
1119 | cancel_work_sync(&data->work); |
1120 | ||
7bee549e | 1121 | btusb_stop_traffic(data); |
6a88adf2 MH |
1122 | usb_kill_anchored_urbs(&data->tx_anchor); |
1123 | ||
6a88adf2 MH |
1124 | return 0; |
1125 | } | |
1126 | ||
7bee549e ON |
1127 | static void play_deferred(struct btusb_data *data) |
1128 | { | |
1129 | struct urb *urb; | |
1130 | int err; | |
1131 | ||
1132 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1133 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1134 | if (err < 0) | |
1135 | break; | |
1136 | ||
1137 | data->tx_in_flight++; | |
1138 | } | |
1139 | usb_scuttle_anchored_urbs(&data->deferred); | |
1140 | } | |
1141 | ||
6a88adf2 MH |
1142 | static int btusb_resume(struct usb_interface *intf) |
1143 | { | |
1144 | struct btusb_data *data = usb_get_intfdata(intf); | |
1145 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1146 | int err = 0; |
6a88adf2 MH |
1147 | |
1148 | BT_DBG("intf %p", intf); | |
1149 | ||
1150 | if (--data->suspend_count) | |
1151 | return 0; | |
1152 | ||
1153 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1154 | goto done; |
6a88adf2 MH |
1155 | |
1156 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1157 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1158 | if (err < 0) { | |
1159 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1160 | goto failed; |
6a88adf2 MH |
1161 | } |
1162 | } | |
1163 | ||
1164 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1165 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1166 | if (err < 0) { | |
6a88adf2 | 1167 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1168 | goto failed; |
1169 | } | |
1170 | ||
1171 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1172 | } |
1173 | ||
1174 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1175 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1176 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1177 | else | |
1178 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1179 | } | |
1180 | ||
7bee549e ON |
1181 | spin_lock_irq(&data->txlock); |
1182 | play_deferred(data); | |
1183 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1184 | spin_unlock_irq(&data->txlock); | |
1185 | schedule_work(&data->work); | |
1186 | ||
6a88adf2 | 1187 | return 0; |
7bee549e ON |
1188 | |
1189 | failed: | |
1190 | usb_scuttle_anchored_urbs(&data->deferred); | |
1191 | done: | |
1192 | spin_lock_irq(&data->txlock); | |
1193 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1194 | spin_unlock_irq(&data->txlock); | |
1195 | ||
1196 | return err; | |
6a88adf2 | 1197 | } |
7bee549e | 1198 | #endif |
6a88adf2 | 1199 | |
5e23b923 MH |
1200 | static struct usb_driver btusb_driver = { |
1201 | .name = "btusb", | |
1202 | .probe = btusb_probe, | |
1203 | .disconnect = btusb_disconnect, | |
7bee549e | 1204 | #ifdef CONFIG_PM |
6a88adf2 MH |
1205 | .suspend = btusb_suspend, |
1206 | .resume = btusb_resume, | |
7bee549e | 1207 | #endif |
5e23b923 | 1208 | .id_table = btusb_table, |
7bee549e | 1209 | .supports_autosuspend = 1, |
5e23b923 MH |
1210 | }; |
1211 | ||
93f1508c | 1212 | module_usb_driver(btusb_driver); |
5e23b923 | 1213 | |
cfeb4145 MH |
1214 | module_param(ignore_dga, bool, 0644); |
1215 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1216 | ||
1217 | module_param(ignore_csr, bool, 0644); | |
1218 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1219 | ||
1220 | module_param(ignore_sniffer, bool, 0644); | |
1221 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1222 | ||
1223 | module_param(disable_scofix, bool, 0644); | |
1224 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1225 | ||
1226 | module_param(force_scofix, bool, 0644); | |
1227 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1228 | ||
1229 | module_param(reset, bool, 0644); | |
1230 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1231 | ||
5e23b923 MH |
1232 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1233 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1234 | MODULE_VERSION(VERSION); | |
1235 | MODULE_LICENSE("GPL"); |