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