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 | 63 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 64 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 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 */ |
79cd7602 | 104 | { USB_DEVICE(0x0489, 0xe042) }, |
c0190925 | 105 | { USB_DEVICE(0x0a5c, 0x21e3) }, |
0a4eaeeb | 106 | { USB_DEVICE(0x0a5c, 0x21e6) }, |
6dfc326f | 107 | { USB_DEVICE(0x0a5c, 0x21e8) }, |
37305cf6 | 108 | { USB_DEVICE(0x0a5c, 0x21f3) }, |
d13431ca WJS |
109 | { USB_DEVICE(0x413c, 0x8197) }, |
110 | ||
5e23b923 MH |
111 | { } /* Terminating entry */ |
112 | }; | |
113 | ||
114 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
115 | ||
116 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
117 | /* CSR BlueCore devices */ |
118 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
119 | ||
120 | /* Broadcom BCM2033 without firmware */ | |
121 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
122 | ||
be93112a BS |
123 | /* Atheros 3011 with sflash firmware */ |
124 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 125 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 126 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 127 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
be93112a | 128 | |
509e7861 CYC |
129 | /* Atheros AR9285 Malbec with sflash firmware */ |
130 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
131 | ||
d9f51b51 | 132 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 133 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 134 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 135 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 136 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 137 | |
e9036e33 CYC |
138 | /* Atheros AR5BBU12 with sflash firmware */ |
139 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
140 | ||
cfeb4145 | 141 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
142 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
143 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
144 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
145 | |
146 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
147 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
148 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 149 | |
cfeb4145 | 150 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
151 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
152 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
153 | |
154 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 155 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
156 | |
157 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 158 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 159 | |
5ddd4a60 | 160 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 161 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 162 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 163 | |
7a9d4020 MH |
164 | /* Belkin F8T012 and F8T013 devices */ |
165 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
166 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 167 | |
5ddd4a60 MH |
168 | /* Asus WL-BTD202 device */ |
169 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
170 | ||
171 | /* Kensington Bluetooth USB adapter */ | |
172 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
173 | ||
cfeb4145 MH |
174 | /* RTX Telecom based adapters with buggy SCO support */ |
175 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
176 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
177 | ||
178 | /* CONWISE Technology based adapters with buggy SCO support */ | |
179 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
180 | ||
cfeb4145 MH |
181 | /* Digianswer devices */ |
182 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
183 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
184 | ||
185 | /* CSR BlueCore Bluetooth Sniffer */ | |
186 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
187 | ||
188 | /* Frontline ComProbe Bluetooth Sniffer */ | |
189 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
190 | ||
5e23b923 MH |
191 | { } /* Terminating entry */ |
192 | }; | |
193 | ||
9bfa35fe MH |
194 | #define BTUSB_MAX_ISOC_FRAMES 10 |
195 | ||
5e23b923 MH |
196 | #define BTUSB_INTR_RUNNING 0 |
197 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 198 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 199 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 200 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
201 | |
202 | struct btusb_data { | |
203 | struct hci_dev *hdev; | |
204 | struct usb_device *udev; | |
5fbcd260 | 205 | struct usb_interface *intf; |
9bfa35fe | 206 | struct usb_interface *isoc; |
5e23b923 MH |
207 | |
208 | spinlock_t lock; | |
209 | ||
210 | unsigned long flags; | |
211 | ||
212 | struct work_struct work; | |
7bee549e | 213 | struct work_struct waker; |
5e23b923 MH |
214 | |
215 | struct usb_anchor tx_anchor; | |
216 | struct usb_anchor intr_anchor; | |
217 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 218 | struct usb_anchor isoc_anchor; |
7bee549e ON |
219 | struct usb_anchor deferred; |
220 | int tx_in_flight; | |
221 | spinlock_t txlock; | |
5e23b923 MH |
222 | |
223 | struct usb_endpoint_descriptor *intr_ep; | |
224 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
225 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
226 | struct usb_endpoint_descriptor *isoc_tx_ep; |
227 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
228 | ||
7a9d4020 MH |
229 | __u8 cmdreq_type; |
230 | ||
43c2e57f | 231 | unsigned int sco_num; |
9bfa35fe | 232 | int isoc_altsetting; |
6a88adf2 | 233 | int suspend_count; |
5e23b923 MH |
234 | }; |
235 | ||
7bee549e ON |
236 | static int inc_tx(struct btusb_data *data) |
237 | { | |
238 | unsigned long flags; | |
239 | int rv; | |
240 | ||
241 | spin_lock_irqsave(&data->txlock, flags); | |
242 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
243 | if (!rv) | |
244 | data->tx_in_flight++; | |
245 | spin_unlock_irqrestore(&data->txlock, flags); | |
246 | ||
247 | return rv; | |
248 | } | |
249 | ||
5e23b923 MH |
250 | static void btusb_intr_complete(struct urb *urb) |
251 | { | |
252 | struct hci_dev *hdev = urb->context; | |
155961e8 | 253 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
254 | int err; |
255 | ||
256 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
257 | urb, urb->status, urb->actual_length); | |
258 | ||
259 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
260 | return; | |
261 | ||
262 | if (urb->status == 0) { | |
9bfa35fe MH |
263 | hdev->stat.byte_rx += urb->actual_length; |
264 | ||
5e23b923 MH |
265 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
266 | urb->transfer_buffer, | |
267 | urb->actual_length) < 0) { | |
268 | BT_ERR("%s corrupted event packet", hdev->name); | |
269 | hdev->stat.err_rx++; | |
270 | } | |
271 | } | |
272 | ||
273 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
274 | return; | |
275 | ||
7bee549e | 276 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
277 | usb_anchor_urb(urb, &data->intr_anchor); |
278 | ||
279 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
280 | if (err < 0) { | |
4935f1c1 PB |
281 | /* -EPERM: urb is being killed; |
282 | * -ENODEV: device got disconnected */ | |
283 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 284 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
285 | hdev->name, urb, -err); |
286 | usb_unanchor_urb(urb); | |
287 | } | |
288 | } | |
289 | ||
2eda66f4 | 290 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 291 | { |
155961e8 | 292 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
293 | struct urb *urb; |
294 | unsigned char *buf; | |
295 | unsigned int pipe; | |
296 | int err, size; | |
297 | ||
298 | BT_DBG("%s", hdev->name); | |
299 | ||
9bfa35fe MH |
300 | if (!data->intr_ep) |
301 | return -ENODEV; | |
302 | ||
2eda66f4 | 303 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
304 | if (!urb) |
305 | return -ENOMEM; | |
306 | ||
307 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
308 | ||
2eda66f4 | 309 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
310 | if (!buf) { |
311 | usb_free_urb(urb); | |
312 | return -ENOMEM; | |
313 | } | |
314 | ||
315 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
316 | ||
317 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
318 | btusb_intr_complete, hdev, | |
319 | data->intr_ep->bInterval); | |
320 | ||
321 | urb->transfer_flags |= URB_FREE_BUFFER; | |
322 | ||
323 | usb_anchor_urb(urb, &data->intr_anchor); | |
324 | ||
2eda66f4 | 325 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 326 | if (err < 0) { |
d4b8d1c9 PB |
327 | if (err != -EPERM && err != -ENODEV) |
328 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
329 | hdev->name, urb, -err); |
330 | usb_unanchor_urb(urb); | |
5e23b923 MH |
331 | } |
332 | ||
333 | usb_free_urb(urb); | |
334 | ||
335 | return err; | |
336 | } | |
337 | ||
338 | static void btusb_bulk_complete(struct urb *urb) | |
339 | { | |
340 | struct hci_dev *hdev = urb->context; | |
155961e8 | 341 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
342 | int err; |
343 | ||
344 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
345 | urb, urb->status, urb->actual_length); | |
346 | ||
347 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
348 | return; | |
349 | ||
350 | if (urb->status == 0) { | |
9bfa35fe MH |
351 | hdev->stat.byte_rx += urb->actual_length; |
352 | ||
5e23b923 MH |
353 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
354 | urb->transfer_buffer, | |
355 | urb->actual_length) < 0) { | |
356 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
357 | hdev->stat.err_rx++; | |
358 | } | |
359 | } | |
360 | ||
361 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
362 | return; | |
363 | ||
364 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 365 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
366 | |
367 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
368 | if (err < 0) { | |
4935f1c1 PB |
369 | /* -EPERM: urb is being killed; |
370 | * -ENODEV: device got disconnected */ | |
371 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 372 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
373 | hdev->name, urb, -err); |
374 | usb_unanchor_urb(urb); | |
375 | } | |
376 | } | |
377 | ||
2eda66f4 | 378 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 379 | { |
155961e8 | 380 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
381 | struct urb *urb; |
382 | unsigned char *buf; | |
383 | unsigned int pipe; | |
290ba200 | 384 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
385 | |
386 | BT_DBG("%s", hdev->name); | |
387 | ||
9bfa35fe MH |
388 | if (!data->bulk_rx_ep) |
389 | return -ENODEV; | |
390 | ||
2eda66f4 | 391 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
392 | if (!urb) |
393 | return -ENOMEM; | |
394 | ||
2eda66f4 | 395 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
396 | if (!buf) { |
397 | usb_free_urb(urb); | |
398 | return -ENOMEM; | |
399 | } | |
400 | ||
401 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
402 | ||
403 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
404 | buf, size, btusb_bulk_complete, hdev); | |
405 | ||
406 | urb->transfer_flags |= URB_FREE_BUFFER; | |
407 | ||
7bee549e | 408 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
409 | usb_anchor_urb(urb, &data->bulk_anchor); |
410 | ||
2eda66f4 | 411 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 412 | if (err < 0) { |
d4b8d1c9 PB |
413 | if (err != -EPERM && err != -ENODEV) |
414 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
415 | hdev->name, urb, -err); |
416 | usb_unanchor_urb(urb); | |
5e23b923 MH |
417 | } |
418 | ||
419 | usb_free_urb(urb); | |
420 | ||
421 | return err; | |
422 | } | |
423 | ||
9bfa35fe MH |
424 | static void btusb_isoc_complete(struct urb *urb) |
425 | { | |
426 | struct hci_dev *hdev = urb->context; | |
155961e8 | 427 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
428 | int i, err; |
429 | ||
430 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
431 | urb, urb->status, urb->actual_length); | |
432 | ||
433 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
434 | return; | |
435 | ||
436 | if (urb->status == 0) { | |
437 | for (i = 0; i < urb->number_of_packets; i++) { | |
438 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
439 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
440 | ||
441 | if (urb->iso_frame_desc[i].status) | |
442 | continue; | |
443 | ||
444 | hdev->stat.byte_rx += length; | |
445 | ||
446 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
447 | urb->transfer_buffer + offset, | |
448 | length) < 0) { | |
449 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
450 | hdev->stat.err_rx++; | |
451 | } | |
452 | } | |
453 | } | |
454 | ||
455 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
456 | return; | |
457 | ||
458 | usb_anchor_urb(urb, &data->isoc_anchor); | |
459 | ||
460 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
461 | if (err < 0) { | |
4935f1c1 PB |
462 | /* -EPERM: urb is being killed; |
463 | * -ENODEV: device got disconnected */ | |
464 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 465 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
466 | hdev->name, urb, -err); |
467 | usb_unanchor_urb(urb); | |
468 | } | |
469 | } | |
470 | ||
42b16b3f | 471 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
472 | { |
473 | int i, offset = 0; | |
474 | ||
475 | BT_DBG("len %d mtu %d", len, mtu); | |
476 | ||
477 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
478 | i++, offset += mtu, len -= mtu) { | |
479 | urb->iso_frame_desc[i].offset = offset; | |
480 | urb->iso_frame_desc[i].length = mtu; | |
481 | } | |
482 | ||
483 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
484 | urb->iso_frame_desc[i].offset = offset; | |
485 | urb->iso_frame_desc[i].length = len; | |
486 | i++; | |
487 | } | |
488 | ||
489 | urb->number_of_packets = i; | |
490 | } | |
491 | ||
2eda66f4 | 492 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 493 | { |
155961e8 | 494 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
495 | struct urb *urb; |
496 | unsigned char *buf; | |
497 | unsigned int pipe; | |
498 | int err, size; | |
499 | ||
500 | BT_DBG("%s", hdev->name); | |
501 | ||
502 | if (!data->isoc_rx_ep) | |
503 | return -ENODEV; | |
504 | ||
2eda66f4 | 505 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
506 | if (!urb) |
507 | return -ENOMEM; | |
508 | ||
509 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
510 | BTUSB_MAX_ISOC_FRAMES; | |
511 | ||
2eda66f4 | 512 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
513 | if (!buf) { |
514 | usb_free_urb(urb); | |
515 | return -ENOMEM; | |
516 | } | |
517 | ||
518 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
519 | ||
fa0fb93f BZ |
520 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
521 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
522 | |
523 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
524 | |
525 | __fill_isoc_descriptor(urb, size, | |
526 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
527 | ||
528 | usb_anchor_urb(urb, &data->isoc_anchor); | |
529 | ||
2eda66f4 | 530 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 531 | if (err < 0) { |
d4b8d1c9 PB |
532 | if (err != -EPERM && err != -ENODEV) |
533 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
534 | hdev->name, urb, -err); |
535 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
536 | } |
537 | ||
538 | usb_free_urb(urb); | |
539 | ||
540 | return err; | |
541 | } | |
542 | ||
5e23b923 | 543 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
544 | { |
545 | struct sk_buff *skb = urb->context; | |
546 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 547 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
548 | |
549 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
550 | urb, urb->status, urb->actual_length); | |
551 | ||
552 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
553 | goto done; | |
554 | ||
555 | if (!urb->status) | |
556 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
557 | else | |
558 | hdev->stat.err_tx++; | |
559 | ||
560 | done: | |
561 | spin_lock(&data->txlock); | |
562 | data->tx_in_flight--; | |
563 | spin_unlock(&data->txlock); | |
564 | ||
565 | kfree(urb->setup_packet); | |
566 | ||
567 | kfree_skb(skb); | |
568 | } | |
569 | ||
570 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
571 | { |
572 | struct sk_buff *skb = urb->context; | |
573 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
574 | ||
575 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
576 | urb, urb->status, urb->actual_length); | |
577 | ||
578 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
579 | goto done; | |
580 | ||
581 | if (!urb->status) | |
582 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
583 | else | |
584 | hdev->stat.err_tx++; | |
585 | ||
586 | done: | |
587 | kfree(urb->setup_packet); | |
588 | ||
589 | kfree_skb(skb); | |
590 | } | |
591 | ||
592 | static int btusb_open(struct hci_dev *hdev) | |
593 | { | |
155961e8 | 594 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
595 | int err; |
596 | ||
597 | BT_DBG("%s", hdev->name); | |
598 | ||
7bee549e ON |
599 | err = usb_autopm_get_interface(data->intf); |
600 | if (err < 0) | |
601 | return err; | |
602 | ||
603 | data->intf->needs_remote_wakeup = 1; | |
604 | ||
5e23b923 | 605 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 606 | goto done; |
5e23b923 MH |
607 | |
608 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 609 | goto done; |
5e23b923 | 610 | |
2eda66f4 | 611 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
612 | if (err < 0) |
613 | goto failed; | |
614 | ||
615 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 616 | if (err < 0) { |
43c2e57f MH |
617 | usb_kill_anchored_urbs(&data->intr_anchor); |
618 | goto failed; | |
5e23b923 MH |
619 | } |
620 | ||
43c2e57f MH |
621 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
622 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
623 | ||
7bee549e ON |
624 | done: |
625 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
626 | return 0; |
627 | ||
628 | failed: | |
629 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
630 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 631 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
632 | return err; |
633 | } | |
634 | ||
7bee549e ON |
635 | static void btusb_stop_traffic(struct btusb_data *data) |
636 | { | |
637 | usb_kill_anchored_urbs(&data->intr_anchor); | |
638 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
639 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
640 | } | |
641 | ||
5e23b923 MH |
642 | static int btusb_close(struct hci_dev *hdev) |
643 | { | |
155961e8 | 644 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 645 | int err; |
5e23b923 MH |
646 | |
647 | BT_DBG("%s", hdev->name); | |
648 | ||
649 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
650 | return 0; | |
651 | ||
e8c3c3d2 | 652 | cancel_work_sync(&data->work); |
404291ac | 653 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 654 | |
9bfa35fe | 655 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 656 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 657 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
658 | |
659 | btusb_stop_traffic(data); | |
660 | err = usb_autopm_get_interface(data->intf); | |
661 | if (err < 0) | |
7b8e2c1d | 662 | goto failed; |
7bee549e ON |
663 | |
664 | data->intf->needs_remote_wakeup = 0; | |
665 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 666 | |
7b8e2c1d ON |
667 | failed: |
668 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
669 | return 0; |
670 | } | |
671 | ||
672 | static int btusb_flush(struct hci_dev *hdev) | |
673 | { | |
155961e8 | 674 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
675 | |
676 | BT_DBG("%s", hdev->name); | |
677 | ||
678 | usb_kill_anchored_urbs(&data->tx_anchor); | |
679 | ||
680 | return 0; | |
681 | } | |
682 | ||
683 | static int btusb_send_frame(struct sk_buff *skb) | |
684 | { | |
685 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 686 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
687 | struct usb_ctrlrequest *dr; |
688 | struct urb *urb; | |
689 | unsigned int pipe; | |
690 | int err; | |
691 | ||
692 | BT_DBG("%s", hdev->name); | |
693 | ||
694 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
695 | return -EBUSY; | |
696 | ||
697 | switch (bt_cb(skb)->pkt_type) { | |
698 | case HCI_COMMAND_PKT: | |
699 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
700 | if (!urb) | |
701 | return -ENOMEM; | |
702 | ||
703 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
704 | if (!dr) { | |
705 | usb_free_urb(urb); | |
706 | return -ENOMEM; | |
707 | } | |
708 | ||
7a9d4020 | 709 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
710 | dr->bRequest = 0; |
711 | dr->wIndex = 0; | |
712 | dr->wValue = 0; | |
713 | dr->wLength = __cpu_to_le16(skb->len); | |
714 | ||
715 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
716 | ||
717 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
718 | skb->data, skb->len, btusb_tx_complete, skb); | |
719 | ||
720 | hdev->stat.cmd_tx++; | |
721 | break; | |
722 | ||
723 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 724 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
725 | return -ENODEV; |
726 | ||
5e23b923 MH |
727 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
728 | if (!urb) | |
729 | return -ENOMEM; | |
730 | ||
731 | pipe = usb_sndbulkpipe(data->udev, | |
732 | data->bulk_tx_ep->bEndpointAddress); | |
733 | ||
734 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
735 | skb->data, skb->len, btusb_tx_complete, skb); | |
736 | ||
737 | hdev->stat.acl_tx++; | |
738 | break; | |
739 | ||
740 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
741 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
742 | return -ENODEV; | |
743 | ||
744 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
745 | if (!urb) | |
746 | return -ENOMEM; | |
747 | ||
748 | pipe = usb_sndisocpipe(data->udev, | |
749 | data->isoc_tx_ep->bEndpointAddress); | |
750 | ||
03c2d0e8 GP |
751 | usb_fill_int_urb(urb, data->udev, pipe, |
752 | skb->data, skb->len, btusb_isoc_tx_complete, | |
753 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
754 | |
755 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
756 | |
757 | __fill_isoc_descriptor(urb, skb->len, | |
758 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
759 | ||
5e23b923 | 760 | hdev->stat.sco_tx++; |
7bee549e | 761 | goto skip_waking; |
5e23b923 MH |
762 | |
763 | default: | |
764 | return -EILSEQ; | |
765 | } | |
766 | ||
7bee549e ON |
767 | err = inc_tx(data); |
768 | if (err) { | |
769 | usb_anchor_urb(urb, &data->deferred); | |
770 | schedule_work(&data->waker); | |
771 | err = 0; | |
772 | goto done; | |
773 | } | |
774 | ||
775 | skip_waking: | |
5e23b923 MH |
776 | usb_anchor_urb(urb, &data->tx_anchor); |
777 | ||
778 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
779 | if (err < 0) { | |
5a9b80e2 PB |
780 | if (err != -EPERM && err != -ENODEV) |
781 | BT_ERR("%s urb %p submission failed (%d)", | |
782 | hdev->name, urb, -err); | |
5e23b923 MH |
783 | kfree(urb->setup_packet); |
784 | usb_unanchor_urb(urb); | |
7bee549e ON |
785 | } else { |
786 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
787 | } |
788 | ||
7bee549e | 789 | done: |
54a8a79c | 790 | usb_free_urb(urb); |
5e23b923 MH |
791 | return err; |
792 | } | |
793 | ||
5e23b923 MH |
794 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
795 | { | |
155961e8 | 796 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
797 | |
798 | BT_DBG("%s evt %d", hdev->name, evt); | |
799 | ||
43c2e57f MH |
800 | if (hdev->conn_hash.sco_num != data->sco_num) { |
801 | data->sco_num = hdev->conn_hash.sco_num; | |
802 | schedule_work(&data->work); | |
a780efa8 | 803 | } |
5e23b923 MH |
804 | } |
805 | ||
42b16b3f | 806 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 807 | { |
155961e8 | 808 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
809 | struct usb_interface *intf = data->isoc; |
810 | struct usb_endpoint_descriptor *ep_desc; | |
811 | int i, err; | |
812 | ||
813 | if (!data->isoc) | |
814 | return -ENODEV; | |
815 | ||
816 | err = usb_set_interface(data->udev, 1, altsetting); | |
817 | if (err < 0) { | |
818 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
819 | return err; | |
820 | } | |
821 | ||
822 | data->isoc_altsetting = altsetting; | |
823 | ||
824 | data->isoc_tx_ep = NULL; | |
825 | data->isoc_rx_ep = NULL; | |
826 | ||
827 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
828 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
829 | ||
830 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
831 | data->isoc_tx_ep = ep_desc; | |
832 | continue; | |
833 | } | |
834 | ||
835 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
836 | data->isoc_rx_ep = ep_desc; | |
837 | continue; | |
838 | } | |
839 | } | |
840 | ||
841 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
842 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
843 | return -ENODEV; | |
844 | } | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
5e23b923 MH |
849 | static void btusb_work(struct work_struct *work) |
850 | { | |
851 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
852 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 853 | int err; |
5e23b923 | 854 | |
9bfa35fe | 855 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 856 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 857 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
858 | if (err < 0) { |
859 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
860 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
861 | return; | |
862 | } | |
863 | ||
08b8b6c4 | 864 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 865 | } |
9bfa35fe MH |
866 | if (data->isoc_altsetting != 2) { |
867 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
868 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
869 | ||
870 | if (__set_isoc_interface(hdev, 2) < 0) | |
871 | return; | |
872 | } | |
873 | ||
874 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 875 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
876 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
877 | else | |
2eda66f4 | 878 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
879 | } |
880 | } else { | |
881 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
882 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
883 | ||
884 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 885 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 886 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
887 | } |
888 | } | |
889 | ||
7bee549e ON |
890 | static void btusb_waker(struct work_struct *work) |
891 | { | |
892 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
893 | int err; | |
894 | ||
895 | err = usb_autopm_get_interface(data->intf); | |
896 | if (err < 0) | |
897 | return; | |
898 | ||
899 | usb_autopm_put_interface(data->intf); | |
900 | } | |
901 | ||
5e23b923 MH |
902 | static int btusb_probe(struct usb_interface *intf, |
903 | const struct usb_device_id *id) | |
904 | { | |
905 | struct usb_endpoint_descriptor *ep_desc; | |
906 | struct btusb_data *data; | |
907 | struct hci_dev *hdev; | |
908 | int i, err; | |
909 | ||
910 | BT_DBG("intf %p id %p", intf, id); | |
911 | ||
cfeb4145 | 912 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
913 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
914 | return -ENODEV; | |
915 | ||
916 | if (!id->driver_info) { | |
917 | const struct usb_device_id *match; | |
918 | match = usb_match_id(intf, blacklist_table); | |
919 | if (match) | |
920 | id = match; | |
921 | } | |
922 | ||
cfeb4145 MH |
923 | if (id->driver_info == BTUSB_IGNORE) |
924 | return -ENODEV; | |
925 | ||
926 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
927 | return -ENODEV; | |
928 | ||
929 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
930 | return -ENODEV; | |
931 | ||
932 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
933 | return -ENODEV; | |
934 | ||
2d25f8b4 SL |
935 | if (id->driver_info & BTUSB_ATH3012) { |
936 | struct usb_device *udev = interface_to_usbdev(intf); | |
937 | ||
938 | /* Old firmware would otherwise let ath3k driver load | |
939 | * patch and sysconfig files */ | |
940 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
941 | return -ENODEV; | |
942 | } | |
943 | ||
5e23b923 MH |
944 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
945 | if (!data) | |
946 | return -ENOMEM; | |
947 | ||
948 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
949 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
950 | ||
951 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
952 | data->intr_ep = ep_desc; | |
953 | continue; | |
954 | } | |
955 | ||
956 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
957 | data->bulk_tx_ep = ep_desc; | |
958 | continue; | |
959 | } | |
960 | ||
961 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
962 | data->bulk_rx_ep = ep_desc; | |
963 | continue; | |
964 | } | |
965 | } | |
966 | ||
967 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
968 | kfree(data); | |
969 | return -ENODEV; | |
970 | } | |
971 | ||
7a9d4020 MH |
972 | data->cmdreq_type = USB_TYPE_CLASS; |
973 | ||
5e23b923 | 974 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 975 | data->intf = intf; |
5e23b923 MH |
976 | |
977 | spin_lock_init(&data->lock); | |
978 | ||
979 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
980 | INIT_WORK(&data->waker, btusb_waker); |
981 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
982 | |
983 | init_usb_anchor(&data->tx_anchor); | |
984 | init_usb_anchor(&data->intr_anchor); | |
985 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 986 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 987 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
988 | |
989 | hdev = hci_alloc_dev(); | |
990 | if (!hdev) { | |
991 | kfree(data); | |
992 | return -ENOMEM; | |
993 | } | |
994 | ||
c13854ce | 995 | hdev->bus = HCI_USB; |
155961e8 | 996 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
997 | |
998 | data->hdev = hdev; | |
999 | ||
1000 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1001 | ||
1002 | hdev->open = btusb_open; | |
1003 | hdev->close = btusb_close; | |
1004 | hdev->flush = btusb_flush; | |
1005 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1006 | hdev->notify = btusb_notify; |
1007 | ||
7a9d4020 | 1008 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1009 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1010 | ||
7a9d4020 MH |
1011 | if (!reset) |
1012 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1013 | |
1014 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1015 | if (!disable_scofix) | |
1016 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1017 | } | |
1018 | ||
9bfa35fe MH |
1019 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1020 | data->isoc = NULL; | |
1021 | ||
7a9d4020 MH |
1022 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1023 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1024 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1025 | } | |
1026 | ||
1027 | if (id->driver_info & BTUSB_CSR) { | |
1028 | struct usb_device *udev = data->udev; | |
1029 | ||
1030 | /* Old firmware would otherwise execute USB reset */ | |
1031 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1032 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1033 | } | |
1034 | ||
cfeb4145 | 1035 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1036 | struct usb_device *udev = data->udev; |
cfeb4145 | 1037 | |
7a9d4020 | 1038 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1039 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1040 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1041 | |
1042 | data->isoc = NULL; | |
cfeb4145 MH |
1043 | } |
1044 | ||
1045 | if (id->driver_info & BTUSB_BCM92035) { | |
1046 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1047 | struct sk_buff *skb; | |
1048 | ||
1049 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1050 | if (skb) { | |
1051 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1052 | skb_queue_tail(&hdev->driver_init, skb); | |
1053 | } | |
1054 | } | |
5e23b923 | 1055 | |
9bfa35fe MH |
1056 | if (data->isoc) { |
1057 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1058 | data->isoc, data); |
9bfa35fe MH |
1059 | if (err < 0) { |
1060 | hci_free_dev(hdev); | |
1061 | kfree(data); | |
1062 | return err; | |
1063 | } | |
1064 | } | |
1065 | ||
5e23b923 MH |
1066 | err = hci_register_dev(hdev); |
1067 | if (err < 0) { | |
1068 | hci_free_dev(hdev); | |
1069 | kfree(data); | |
1070 | return err; | |
1071 | } | |
1072 | ||
1073 | usb_set_intfdata(intf, data); | |
1074 | ||
1075 | return 0; | |
1076 | } | |
1077 | ||
1078 | static void btusb_disconnect(struct usb_interface *intf) | |
1079 | { | |
1080 | struct btusb_data *data = usb_get_intfdata(intf); | |
1081 | struct hci_dev *hdev; | |
1082 | ||
1083 | BT_DBG("intf %p", intf); | |
1084 | ||
1085 | if (!data) | |
1086 | return; | |
1087 | ||
1088 | hdev = data->hdev; | |
5fbcd260 MH |
1089 | usb_set_intfdata(data->intf, NULL); |
1090 | ||
1091 | if (data->isoc) | |
1092 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1093 | |
1094 | hci_unregister_dev(hdev); | |
1095 | ||
5fbcd260 MH |
1096 | if (intf == data->isoc) |
1097 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1098 | else if (data->isoc) | |
1099 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1100 | ||
5e23b923 | 1101 | hci_free_dev(hdev); |
8381088e | 1102 | kfree(data); |
5e23b923 MH |
1103 | } |
1104 | ||
7bee549e | 1105 | #ifdef CONFIG_PM |
6a88adf2 MH |
1106 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1107 | { | |
1108 | struct btusb_data *data = usb_get_intfdata(intf); | |
1109 | ||
1110 | BT_DBG("intf %p", intf); | |
1111 | ||
1112 | if (data->suspend_count++) | |
1113 | return 0; | |
1114 | ||
7bee549e | 1115 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1116 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1117 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1118 | spin_unlock_irq(&data->txlock); | |
1119 | } else { | |
1120 | spin_unlock_irq(&data->txlock); | |
1121 | data->suspend_count--; | |
1122 | return -EBUSY; | |
1123 | } | |
1124 | ||
6a88adf2 MH |
1125 | cancel_work_sync(&data->work); |
1126 | ||
7bee549e | 1127 | btusb_stop_traffic(data); |
6a88adf2 MH |
1128 | usb_kill_anchored_urbs(&data->tx_anchor); |
1129 | ||
6a88adf2 MH |
1130 | return 0; |
1131 | } | |
1132 | ||
7bee549e ON |
1133 | static void play_deferred(struct btusb_data *data) |
1134 | { | |
1135 | struct urb *urb; | |
1136 | int err; | |
1137 | ||
1138 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1139 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1140 | if (err < 0) | |
1141 | break; | |
1142 | ||
1143 | data->tx_in_flight++; | |
1144 | } | |
1145 | usb_scuttle_anchored_urbs(&data->deferred); | |
1146 | } | |
1147 | ||
6a88adf2 MH |
1148 | static int btusb_resume(struct usb_interface *intf) |
1149 | { | |
1150 | struct btusb_data *data = usb_get_intfdata(intf); | |
1151 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1152 | int err = 0; |
6a88adf2 MH |
1153 | |
1154 | BT_DBG("intf %p", intf); | |
1155 | ||
1156 | if (--data->suspend_count) | |
1157 | return 0; | |
1158 | ||
1159 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1160 | goto done; |
6a88adf2 MH |
1161 | |
1162 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1163 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1164 | if (err < 0) { | |
1165 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1166 | goto failed; |
6a88adf2 MH |
1167 | } |
1168 | } | |
1169 | ||
1170 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1171 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1172 | if (err < 0) { | |
6a88adf2 | 1173 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1174 | goto failed; |
1175 | } | |
1176 | ||
1177 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1178 | } |
1179 | ||
1180 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1181 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1182 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1183 | else | |
1184 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1185 | } | |
1186 | ||
7bee549e ON |
1187 | spin_lock_irq(&data->txlock); |
1188 | play_deferred(data); | |
1189 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1190 | spin_unlock_irq(&data->txlock); | |
1191 | schedule_work(&data->work); | |
1192 | ||
6a88adf2 | 1193 | return 0; |
7bee549e ON |
1194 | |
1195 | failed: | |
1196 | usb_scuttle_anchored_urbs(&data->deferred); | |
1197 | done: | |
1198 | spin_lock_irq(&data->txlock); | |
1199 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1200 | spin_unlock_irq(&data->txlock); | |
1201 | ||
1202 | return err; | |
6a88adf2 | 1203 | } |
7bee549e | 1204 | #endif |
6a88adf2 | 1205 | |
5e23b923 MH |
1206 | static struct usb_driver btusb_driver = { |
1207 | .name = "btusb", | |
1208 | .probe = btusb_probe, | |
1209 | .disconnect = btusb_disconnect, | |
7bee549e | 1210 | #ifdef CONFIG_PM |
6a88adf2 MH |
1211 | .suspend = btusb_suspend, |
1212 | .resume = btusb_resume, | |
7bee549e | 1213 | #endif |
5e23b923 | 1214 | .id_table = btusb_table, |
7bee549e | 1215 | .supports_autosuspend = 1, |
5e23b923 MH |
1216 | }; |
1217 | ||
93f1508c | 1218 | module_usb_driver(btusb_driver); |
5e23b923 | 1219 | |
cfeb4145 MH |
1220 | module_param(ignore_dga, bool, 0644); |
1221 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1222 | ||
1223 | module_param(ignore_csr, bool, 0644); | |
1224 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1225 | ||
1226 | module_param(ignore_sniffer, bool, 0644); | |
1227 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1228 | ||
1229 | module_param(disable_scofix, bool, 0644); | |
1230 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1231 | ||
1232 | module_param(force_scofix, bool, 0644); | |
1233 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1234 | ||
1235 | module_param(reset, bool, 0644); | |
1236 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1237 | ||
5e23b923 MH |
1238 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1239 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1240 | MODULE_VERSION(VERSION); | |
1241 | MODULE_LICENSE("GPL"); |