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 }, |
87522a43 | 137 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 138 | |
e9036e33 CYC |
139 | /* Atheros AR5BBU12 with sflash firmware */ |
140 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
141 | ||
cfeb4145 | 142 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
143 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
144 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
145 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
146 | |
147 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
148 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
149 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 150 | |
cfeb4145 | 151 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
152 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
153 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
154 | |
155 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 156 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
157 | |
158 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 159 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 160 | |
5ddd4a60 | 161 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 162 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 163 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 164 | |
7a9d4020 MH |
165 | /* Belkin F8T012 and F8T013 devices */ |
166 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
167 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 168 | |
5ddd4a60 MH |
169 | /* Asus WL-BTD202 device */ |
170 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
171 | ||
172 | /* Kensington Bluetooth USB adapter */ | |
173 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
174 | ||
cfeb4145 MH |
175 | /* RTX Telecom based adapters with buggy SCO support */ |
176 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
177 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
178 | ||
179 | /* CONWISE Technology based adapters with buggy SCO support */ | |
180 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
181 | ||
cfeb4145 MH |
182 | /* Digianswer devices */ |
183 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
184 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
185 | ||
186 | /* CSR BlueCore Bluetooth Sniffer */ | |
187 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
188 | ||
189 | /* Frontline ComProbe Bluetooth Sniffer */ | |
190 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
191 | ||
5e23b923 MH |
192 | { } /* Terminating entry */ |
193 | }; | |
194 | ||
9bfa35fe MH |
195 | #define BTUSB_MAX_ISOC_FRAMES 10 |
196 | ||
5e23b923 MH |
197 | #define BTUSB_INTR_RUNNING 0 |
198 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 199 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 200 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 201 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
202 | |
203 | struct btusb_data { | |
204 | struct hci_dev *hdev; | |
205 | struct usb_device *udev; | |
5fbcd260 | 206 | struct usb_interface *intf; |
9bfa35fe | 207 | struct usb_interface *isoc; |
5e23b923 MH |
208 | |
209 | spinlock_t lock; | |
210 | ||
211 | unsigned long flags; | |
212 | ||
213 | struct work_struct work; | |
7bee549e | 214 | struct work_struct waker; |
5e23b923 MH |
215 | |
216 | struct usb_anchor tx_anchor; | |
217 | struct usb_anchor intr_anchor; | |
218 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 219 | struct usb_anchor isoc_anchor; |
7bee549e ON |
220 | struct usb_anchor deferred; |
221 | int tx_in_flight; | |
222 | spinlock_t txlock; | |
5e23b923 MH |
223 | |
224 | struct usb_endpoint_descriptor *intr_ep; | |
225 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
226 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
227 | struct usb_endpoint_descriptor *isoc_tx_ep; |
228 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
229 | ||
7a9d4020 MH |
230 | __u8 cmdreq_type; |
231 | ||
43c2e57f | 232 | unsigned int sco_num; |
9bfa35fe | 233 | int isoc_altsetting; |
6a88adf2 | 234 | int suspend_count; |
5e23b923 MH |
235 | }; |
236 | ||
7bee549e ON |
237 | static int inc_tx(struct btusb_data *data) |
238 | { | |
239 | unsigned long flags; | |
240 | int rv; | |
241 | ||
242 | spin_lock_irqsave(&data->txlock, flags); | |
243 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
244 | if (!rv) | |
245 | data->tx_in_flight++; | |
246 | spin_unlock_irqrestore(&data->txlock, flags); | |
247 | ||
248 | return rv; | |
249 | } | |
250 | ||
5e23b923 MH |
251 | static void btusb_intr_complete(struct urb *urb) |
252 | { | |
253 | struct hci_dev *hdev = urb->context; | |
155961e8 | 254 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
255 | int err; |
256 | ||
257 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
258 | urb, urb->status, urb->actual_length); | |
259 | ||
260 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
261 | return; | |
262 | ||
263 | if (urb->status == 0) { | |
9bfa35fe MH |
264 | hdev->stat.byte_rx += urb->actual_length; |
265 | ||
5e23b923 MH |
266 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
267 | urb->transfer_buffer, | |
268 | urb->actual_length) < 0) { | |
269 | BT_ERR("%s corrupted event packet", hdev->name); | |
270 | hdev->stat.err_rx++; | |
271 | } | |
272 | } | |
273 | ||
274 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
275 | return; | |
276 | ||
7bee549e | 277 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
278 | usb_anchor_urb(urb, &data->intr_anchor); |
279 | ||
280 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
281 | if (err < 0) { | |
4935f1c1 PB |
282 | /* -EPERM: urb is being killed; |
283 | * -ENODEV: device got disconnected */ | |
284 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 285 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
286 | hdev->name, urb, -err); |
287 | usb_unanchor_urb(urb); | |
288 | } | |
289 | } | |
290 | ||
2eda66f4 | 291 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 292 | { |
155961e8 | 293 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
294 | struct urb *urb; |
295 | unsigned char *buf; | |
296 | unsigned int pipe; | |
297 | int err, size; | |
298 | ||
299 | BT_DBG("%s", hdev->name); | |
300 | ||
9bfa35fe MH |
301 | if (!data->intr_ep) |
302 | return -ENODEV; | |
303 | ||
2eda66f4 | 304 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
305 | if (!urb) |
306 | return -ENOMEM; | |
307 | ||
308 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
309 | ||
2eda66f4 | 310 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
311 | if (!buf) { |
312 | usb_free_urb(urb); | |
313 | return -ENOMEM; | |
314 | } | |
315 | ||
316 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
317 | ||
318 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
319 | btusb_intr_complete, hdev, | |
320 | data->intr_ep->bInterval); | |
321 | ||
322 | urb->transfer_flags |= URB_FREE_BUFFER; | |
323 | ||
324 | usb_anchor_urb(urb, &data->intr_anchor); | |
325 | ||
2eda66f4 | 326 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 327 | if (err < 0) { |
d4b8d1c9 PB |
328 | if (err != -EPERM && err != -ENODEV) |
329 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
330 | hdev->name, urb, -err); |
331 | usb_unanchor_urb(urb); | |
5e23b923 MH |
332 | } |
333 | ||
334 | usb_free_urb(urb); | |
335 | ||
336 | return err; | |
337 | } | |
338 | ||
339 | static void btusb_bulk_complete(struct urb *urb) | |
340 | { | |
341 | struct hci_dev *hdev = urb->context; | |
155961e8 | 342 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
343 | int err; |
344 | ||
345 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
346 | urb, urb->status, urb->actual_length); | |
347 | ||
348 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
349 | return; | |
350 | ||
351 | if (urb->status == 0) { | |
9bfa35fe MH |
352 | hdev->stat.byte_rx += urb->actual_length; |
353 | ||
5e23b923 MH |
354 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
355 | urb->transfer_buffer, | |
356 | urb->actual_length) < 0) { | |
357 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
358 | hdev->stat.err_rx++; | |
359 | } | |
360 | } | |
361 | ||
362 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
363 | return; | |
364 | ||
365 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 366 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
367 | |
368 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
369 | if (err < 0) { | |
4935f1c1 PB |
370 | /* -EPERM: urb is being killed; |
371 | * -ENODEV: device got disconnected */ | |
372 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 373 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
374 | hdev->name, urb, -err); |
375 | usb_unanchor_urb(urb); | |
376 | } | |
377 | } | |
378 | ||
2eda66f4 | 379 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 380 | { |
155961e8 | 381 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
382 | struct urb *urb; |
383 | unsigned char *buf; | |
384 | unsigned int pipe; | |
290ba200 | 385 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
386 | |
387 | BT_DBG("%s", hdev->name); | |
388 | ||
9bfa35fe MH |
389 | if (!data->bulk_rx_ep) |
390 | return -ENODEV; | |
391 | ||
2eda66f4 | 392 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
393 | if (!urb) |
394 | return -ENOMEM; | |
395 | ||
2eda66f4 | 396 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
397 | if (!buf) { |
398 | usb_free_urb(urb); | |
399 | return -ENOMEM; | |
400 | } | |
401 | ||
402 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
403 | ||
404 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
405 | buf, size, btusb_bulk_complete, hdev); | |
406 | ||
407 | urb->transfer_flags |= URB_FREE_BUFFER; | |
408 | ||
7bee549e | 409 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
410 | usb_anchor_urb(urb, &data->bulk_anchor); |
411 | ||
2eda66f4 | 412 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 413 | if (err < 0) { |
d4b8d1c9 PB |
414 | if (err != -EPERM && err != -ENODEV) |
415 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
416 | hdev->name, urb, -err); |
417 | usb_unanchor_urb(urb); | |
5e23b923 MH |
418 | } |
419 | ||
420 | usb_free_urb(urb); | |
421 | ||
422 | return err; | |
423 | } | |
424 | ||
9bfa35fe MH |
425 | static void btusb_isoc_complete(struct urb *urb) |
426 | { | |
427 | struct hci_dev *hdev = urb->context; | |
155961e8 | 428 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
429 | int i, err; |
430 | ||
431 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
432 | urb, urb->status, urb->actual_length); | |
433 | ||
434 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
435 | return; | |
436 | ||
437 | if (urb->status == 0) { | |
438 | for (i = 0; i < urb->number_of_packets; i++) { | |
439 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
440 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
441 | ||
442 | if (urb->iso_frame_desc[i].status) | |
443 | continue; | |
444 | ||
445 | hdev->stat.byte_rx += length; | |
446 | ||
447 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
448 | urb->transfer_buffer + offset, | |
449 | length) < 0) { | |
450 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
451 | hdev->stat.err_rx++; | |
452 | } | |
453 | } | |
454 | } | |
455 | ||
456 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
457 | return; | |
458 | ||
459 | usb_anchor_urb(urb, &data->isoc_anchor); | |
460 | ||
461 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
462 | if (err < 0) { | |
4935f1c1 PB |
463 | /* -EPERM: urb is being killed; |
464 | * -ENODEV: device got disconnected */ | |
465 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 466 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
467 | hdev->name, urb, -err); |
468 | usb_unanchor_urb(urb); | |
469 | } | |
470 | } | |
471 | ||
42b16b3f | 472 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
473 | { |
474 | int i, offset = 0; | |
475 | ||
476 | BT_DBG("len %d mtu %d", len, mtu); | |
477 | ||
478 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
479 | i++, offset += mtu, len -= mtu) { | |
480 | urb->iso_frame_desc[i].offset = offset; | |
481 | urb->iso_frame_desc[i].length = mtu; | |
482 | } | |
483 | ||
484 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
485 | urb->iso_frame_desc[i].offset = offset; | |
486 | urb->iso_frame_desc[i].length = len; | |
487 | i++; | |
488 | } | |
489 | ||
490 | urb->number_of_packets = i; | |
491 | } | |
492 | ||
2eda66f4 | 493 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 494 | { |
155961e8 | 495 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
496 | struct urb *urb; |
497 | unsigned char *buf; | |
498 | unsigned int pipe; | |
499 | int err, size; | |
500 | ||
501 | BT_DBG("%s", hdev->name); | |
502 | ||
503 | if (!data->isoc_rx_ep) | |
504 | return -ENODEV; | |
505 | ||
2eda66f4 | 506 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
507 | if (!urb) |
508 | return -ENOMEM; | |
509 | ||
510 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
511 | BTUSB_MAX_ISOC_FRAMES; | |
512 | ||
2eda66f4 | 513 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
514 | if (!buf) { |
515 | usb_free_urb(urb); | |
516 | return -ENOMEM; | |
517 | } | |
518 | ||
519 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
520 | ||
fa0fb93f BZ |
521 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
522 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
523 | |
524 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
525 | |
526 | __fill_isoc_descriptor(urb, size, | |
527 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
528 | ||
529 | usb_anchor_urb(urb, &data->isoc_anchor); | |
530 | ||
2eda66f4 | 531 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 532 | if (err < 0) { |
d4b8d1c9 PB |
533 | if (err != -EPERM && err != -ENODEV) |
534 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
535 | hdev->name, urb, -err); |
536 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
537 | } |
538 | ||
539 | usb_free_urb(urb); | |
540 | ||
541 | return err; | |
542 | } | |
543 | ||
5e23b923 | 544 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
545 | { |
546 | struct sk_buff *skb = urb->context; | |
547 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 548 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
549 | |
550 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
551 | urb, urb->status, urb->actual_length); | |
552 | ||
553 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
554 | goto done; | |
555 | ||
556 | if (!urb->status) | |
557 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
558 | else | |
559 | hdev->stat.err_tx++; | |
560 | ||
561 | done: | |
562 | spin_lock(&data->txlock); | |
563 | data->tx_in_flight--; | |
564 | spin_unlock(&data->txlock); | |
565 | ||
566 | kfree(urb->setup_packet); | |
567 | ||
568 | kfree_skb(skb); | |
569 | } | |
570 | ||
571 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
572 | { |
573 | struct sk_buff *skb = urb->context; | |
574 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
575 | ||
576 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
577 | urb, urb->status, urb->actual_length); | |
578 | ||
579 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
580 | goto done; | |
581 | ||
582 | if (!urb->status) | |
583 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
584 | else | |
585 | hdev->stat.err_tx++; | |
586 | ||
587 | done: | |
588 | kfree(urb->setup_packet); | |
589 | ||
590 | kfree_skb(skb); | |
591 | } | |
592 | ||
593 | static int btusb_open(struct hci_dev *hdev) | |
594 | { | |
155961e8 | 595 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
596 | int err; |
597 | ||
598 | BT_DBG("%s", hdev->name); | |
599 | ||
7bee549e ON |
600 | err = usb_autopm_get_interface(data->intf); |
601 | if (err < 0) | |
602 | return err; | |
603 | ||
604 | data->intf->needs_remote_wakeup = 1; | |
605 | ||
5e23b923 | 606 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 607 | goto done; |
5e23b923 MH |
608 | |
609 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 610 | goto done; |
5e23b923 | 611 | |
2eda66f4 | 612 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
613 | if (err < 0) |
614 | goto failed; | |
615 | ||
616 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 617 | if (err < 0) { |
43c2e57f MH |
618 | usb_kill_anchored_urbs(&data->intr_anchor); |
619 | goto failed; | |
5e23b923 MH |
620 | } |
621 | ||
43c2e57f MH |
622 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
623 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
624 | ||
7bee549e ON |
625 | done: |
626 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
627 | return 0; |
628 | ||
629 | failed: | |
630 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
631 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 632 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
633 | return err; |
634 | } | |
635 | ||
7bee549e ON |
636 | static void btusb_stop_traffic(struct btusb_data *data) |
637 | { | |
638 | usb_kill_anchored_urbs(&data->intr_anchor); | |
639 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
640 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
641 | } | |
642 | ||
5e23b923 MH |
643 | static int btusb_close(struct hci_dev *hdev) |
644 | { | |
155961e8 | 645 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 646 | int err; |
5e23b923 MH |
647 | |
648 | BT_DBG("%s", hdev->name); | |
649 | ||
650 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
651 | return 0; | |
652 | ||
e8c3c3d2 | 653 | cancel_work_sync(&data->work); |
404291ac | 654 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 655 | |
9bfa35fe | 656 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 657 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 658 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
659 | |
660 | btusb_stop_traffic(data); | |
661 | err = usb_autopm_get_interface(data->intf); | |
662 | if (err < 0) | |
7b8e2c1d | 663 | goto failed; |
7bee549e ON |
664 | |
665 | data->intf->needs_remote_wakeup = 0; | |
666 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 667 | |
7b8e2c1d ON |
668 | failed: |
669 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
670 | return 0; |
671 | } | |
672 | ||
673 | static int btusb_flush(struct hci_dev *hdev) | |
674 | { | |
155961e8 | 675 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
676 | |
677 | BT_DBG("%s", hdev->name); | |
678 | ||
679 | usb_kill_anchored_urbs(&data->tx_anchor); | |
680 | ||
681 | return 0; | |
682 | } | |
683 | ||
684 | static int btusb_send_frame(struct sk_buff *skb) | |
685 | { | |
686 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 687 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
688 | struct usb_ctrlrequest *dr; |
689 | struct urb *urb; | |
690 | unsigned int pipe; | |
691 | int err; | |
692 | ||
693 | BT_DBG("%s", hdev->name); | |
694 | ||
695 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
696 | return -EBUSY; | |
697 | ||
698 | switch (bt_cb(skb)->pkt_type) { | |
699 | case HCI_COMMAND_PKT: | |
700 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
701 | if (!urb) | |
702 | return -ENOMEM; | |
703 | ||
704 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
705 | if (!dr) { | |
706 | usb_free_urb(urb); | |
707 | return -ENOMEM; | |
708 | } | |
709 | ||
7a9d4020 | 710 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
711 | dr->bRequest = 0; |
712 | dr->wIndex = 0; | |
713 | dr->wValue = 0; | |
714 | dr->wLength = __cpu_to_le16(skb->len); | |
715 | ||
716 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
717 | ||
718 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
719 | skb->data, skb->len, btusb_tx_complete, skb); | |
720 | ||
721 | hdev->stat.cmd_tx++; | |
722 | break; | |
723 | ||
724 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 725 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
726 | return -ENODEV; |
727 | ||
5e23b923 MH |
728 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
729 | if (!urb) | |
730 | return -ENOMEM; | |
731 | ||
732 | pipe = usb_sndbulkpipe(data->udev, | |
733 | data->bulk_tx_ep->bEndpointAddress); | |
734 | ||
735 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
736 | skb->data, skb->len, btusb_tx_complete, skb); | |
737 | ||
738 | hdev->stat.acl_tx++; | |
739 | break; | |
740 | ||
741 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
742 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
743 | return -ENODEV; | |
744 | ||
745 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
746 | if (!urb) | |
747 | return -ENOMEM; | |
748 | ||
749 | pipe = usb_sndisocpipe(data->udev, | |
750 | data->isoc_tx_ep->bEndpointAddress); | |
751 | ||
03c2d0e8 GP |
752 | usb_fill_int_urb(urb, data->udev, pipe, |
753 | skb->data, skb->len, btusb_isoc_tx_complete, | |
754 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
755 | |
756 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
757 | |
758 | __fill_isoc_descriptor(urb, skb->len, | |
759 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
760 | ||
5e23b923 | 761 | hdev->stat.sco_tx++; |
7bee549e | 762 | goto skip_waking; |
5e23b923 MH |
763 | |
764 | default: | |
765 | return -EILSEQ; | |
766 | } | |
767 | ||
7bee549e ON |
768 | err = inc_tx(data); |
769 | if (err) { | |
770 | usb_anchor_urb(urb, &data->deferred); | |
771 | schedule_work(&data->waker); | |
772 | err = 0; | |
773 | goto done; | |
774 | } | |
775 | ||
776 | skip_waking: | |
5e23b923 MH |
777 | usb_anchor_urb(urb, &data->tx_anchor); |
778 | ||
779 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
780 | if (err < 0) { | |
5a9b80e2 PB |
781 | if (err != -EPERM && err != -ENODEV) |
782 | BT_ERR("%s urb %p submission failed (%d)", | |
783 | hdev->name, urb, -err); | |
5e23b923 MH |
784 | kfree(urb->setup_packet); |
785 | usb_unanchor_urb(urb); | |
7bee549e ON |
786 | } else { |
787 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
788 | } |
789 | ||
7bee549e | 790 | done: |
54a8a79c | 791 | usb_free_urb(urb); |
5e23b923 MH |
792 | return err; |
793 | } | |
794 | ||
5e23b923 MH |
795 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
796 | { | |
155961e8 | 797 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
798 | |
799 | BT_DBG("%s evt %d", hdev->name, evt); | |
800 | ||
43c2e57f MH |
801 | if (hdev->conn_hash.sco_num != data->sco_num) { |
802 | data->sco_num = hdev->conn_hash.sco_num; | |
803 | schedule_work(&data->work); | |
a780efa8 | 804 | } |
5e23b923 MH |
805 | } |
806 | ||
42b16b3f | 807 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 808 | { |
155961e8 | 809 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
810 | struct usb_interface *intf = data->isoc; |
811 | struct usb_endpoint_descriptor *ep_desc; | |
812 | int i, err; | |
813 | ||
814 | if (!data->isoc) | |
815 | return -ENODEV; | |
816 | ||
817 | err = usb_set_interface(data->udev, 1, altsetting); | |
818 | if (err < 0) { | |
819 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
820 | return err; | |
821 | } | |
822 | ||
823 | data->isoc_altsetting = altsetting; | |
824 | ||
825 | data->isoc_tx_ep = NULL; | |
826 | data->isoc_rx_ep = NULL; | |
827 | ||
828 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
829 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
830 | ||
831 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
832 | data->isoc_tx_ep = ep_desc; | |
833 | continue; | |
834 | } | |
835 | ||
836 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
837 | data->isoc_rx_ep = ep_desc; | |
838 | continue; | |
839 | } | |
840 | } | |
841 | ||
842 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
843 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
844 | return -ENODEV; | |
845 | } | |
846 | ||
847 | return 0; | |
848 | } | |
849 | ||
5e23b923 MH |
850 | static void btusb_work(struct work_struct *work) |
851 | { | |
852 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
853 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 854 | int err; |
5e23b923 | 855 | |
9bfa35fe | 856 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 857 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 858 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
859 | if (err < 0) { |
860 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
861 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
862 | return; | |
863 | } | |
864 | ||
08b8b6c4 | 865 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 866 | } |
9bfa35fe MH |
867 | if (data->isoc_altsetting != 2) { |
868 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
869 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
870 | ||
871 | if (__set_isoc_interface(hdev, 2) < 0) | |
872 | return; | |
873 | } | |
874 | ||
875 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 876 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
877 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
878 | else | |
2eda66f4 | 879 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
880 | } |
881 | } else { | |
882 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
883 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
884 | ||
885 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 886 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 887 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
888 | } |
889 | } | |
890 | ||
7bee549e ON |
891 | static void btusb_waker(struct work_struct *work) |
892 | { | |
893 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
894 | int err; | |
895 | ||
896 | err = usb_autopm_get_interface(data->intf); | |
897 | if (err < 0) | |
898 | return; | |
899 | ||
900 | usb_autopm_put_interface(data->intf); | |
901 | } | |
902 | ||
5e23b923 MH |
903 | static int btusb_probe(struct usb_interface *intf, |
904 | const struct usb_device_id *id) | |
905 | { | |
906 | struct usb_endpoint_descriptor *ep_desc; | |
907 | struct btusb_data *data; | |
908 | struct hci_dev *hdev; | |
909 | int i, err; | |
910 | ||
911 | BT_DBG("intf %p id %p", intf, id); | |
912 | ||
cfeb4145 | 913 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
914 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
915 | return -ENODEV; | |
916 | ||
917 | if (!id->driver_info) { | |
918 | const struct usb_device_id *match; | |
919 | match = usb_match_id(intf, blacklist_table); | |
920 | if (match) | |
921 | id = match; | |
922 | } | |
923 | ||
cfeb4145 MH |
924 | if (id->driver_info == BTUSB_IGNORE) |
925 | return -ENODEV; | |
926 | ||
927 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
928 | return -ENODEV; | |
929 | ||
930 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
931 | return -ENODEV; | |
932 | ||
933 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
934 | return -ENODEV; | |
935 | ||
2d25f8b4 SL |
936 | if (id->driver_info & BTUSB_ATH3012) { |
937 | struct usb_device *udev = interface_to_usbdev(intf); | |
938 | ||
939 | /* Old firmware would otherwise let ath3k driver load | |
940 | * patch and sysconfig files */ | |
941 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
942 | return -ENODEV; | |
943 | } | |
944 | ||
5e23b923 MH |
945 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
946 | if (!data) | |
947 | return -ENOMEM; | |
948 | ||
949 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
950 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
951 | ||
952 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
953 | data->intr_ep = ep_desc; | |
954 | continue; | |
955 | } | |
956 | ||
957 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
958 | data->bulk_tx_ep = ep_desc; | |
959 | continue; | |
960 | } | |
961 | ||
962 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
963 | data->bulk_rx_ep = ep_desc; | |
964 | continue; | |
965 | } | |
966 | } | |
967 | ||
968 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
969 | kfree(data); | |
970 | return -ENODEV; | |
971 | } | |
972 | ||
7a9d4020 MH |
973 | data->cmdreq_type = USB_TYPE_CLASS; |
974 | ||
5e23b923 | 975 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 976 | data->intf = intf; |
5e23b923 MH |
977 | |
978 | spin_lock_init(&data->lock); | |
979 | ||
980 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
981 | INIT_WORK(&data->waker, btusb_waker); |
982 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
983 | |
984 | init_usb_anchor(&data->tx_anchor); | |
985 | init_usb_anchor(&data->intr_anchor); | |
986 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 987 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 988 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
989 | |
990 | hdev = hci_alloc_dev(); | |
991 | if (!hdev) { | |
992 | kfree(data); | |
993 | return -ENOMEM; | |
994 | } | |
995 | ||
c13854ce | 996 | hdev->bus = HCI_USB; |
155961e8 | 997 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
998 | |
999 | data->hdev = hdev; | |
1000 | ||
1001 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1002 | ||
1003 | hdev->open = btusb_open; | |
1004 | hdev->close = btusb_close; | |
1005 | hdev->flush = btusb_flush; | |
1006 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1007 | hdev->notify = btusb_notify; |
1008 | ||
7a9d4020 | 1009 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1010 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1011 | ||
7a9d4020 MH |
1012 | if (!reset) |
1013 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1014 | |
1015 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1016 | if (!disable_scofix) | |
1017 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1018 | } | |
1019 | ||
9bfa35fe MH |
1020 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1021 | data->isoc = NULL; | |
1022 | ||
7a9d4020 MH |
1023 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1024 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1025 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1026 | } | |
1027 | ||
1028 | if (id->driver_info & BTUSB_CSR) { | |
1029 | struct usb_device *udev = data->udev; | |
1030 | ||
1031 | /* Old firmware would otherwise execute USB reset */ | |
1032 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1033 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1034 | } | |
1035 | ||
cfeb4145 | 1036 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1037 | struct usb_device *udev = data->udev; |
cfeb4145 | 1038 | |
7a9d4020 | 1039 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1040 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1041 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1042 | |
1043 | data->isoc = NULL; | |
cfeb4145 MH |
1044 | } |
1045 | ||
1046 | if (id->driver_info & BTUSB_BCM92035) { | |
1047 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1048 | struct sk_buff *skb; | |
1049 | ||
1050 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1051 | if (skb) { | |
1052 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1053 | skb_queue_tail(&hdev->driver_init, skb); | |
1054 | } | |
1055 | } | |
5e23b923 | 1056 | |
9bfa35fe MH |
1057 | if (data->isoc) { |
1058 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1059 | data->isoc, data); |
9bfa35fe MH |
1060 | if (err < 0) { |
1061 | hci_free_dev(hdev); | |
1062 | kfree(data); | |
1063 | return err; | |
1064 | } | |
1065 | } | |
1066 | ||
5e23b923 MH |
1067 | err = hci_register_dev(hdev); |
1068 | if (err < 0) { | |
1069 | hci_free_dev(hdev); | |
1070 | kfree(data); | |
1071 | return err; | |
1072 | } | |
1073 | ||
1074 | usb_set_intfdata(intf, data); | |
1075 | ||
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | static void btusb_disconnect(struct usb_interface *intf) | |
1080 | { | |
1081 | struct btusb_data *data = usb_get_intfdata(intf); | |
1082 | struct hci_dev *hdev; | |
1083 | ||
1084 | BT_DBG("intf %p", intf); | |
1085 | ||
1086 | if (!data) | |
1087 | return; | |
1088 | ||
1089 | hdev = data->hdev; | |
5fbcd260 MH |
1090 | usb_set_intfdata(data->intf, NULL); |
1091 | ||
1092 | if (data->isoc) | |
1093 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1094 | |
1095 | hci_unregister_dev(hdev); | |
1096 | ||
5fbcd260 MH |
1097 | if (intf == data->isoc) |
1098 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1099 | else if (data->isoc) | |
1100 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1101 | ||
5e23b923 | 1102 | hci_free_dev(hdev); |
8381088e | 1103 | kfree(data); |
5e23b923 MH |
1104 | } |
1105 | ||
7bee549e | 1106 | #ifdef CONFIG_PM |
6a88adf2 MH |
1107 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1108 | { | |
1109 | struct btusb_data *data = usb_get_intfdata(intf); | |
1110 | ||
1111 | BT_DBG("intf %p", intf); | |
1112 | ||
1113 | if (data->suspend_count++) | |
1114 | return 0; | |
1115 | ||
7bee549e | 1116 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1117 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1118 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1119 | spin_unlock_irq(&data->txlock); | |
1120 | } else { | |
1121 | spin_unlock_irq(&data->txlock); | |
1122 | data->suspend_count--; | |
1123 | return -EBUSY; | |
1124 | } | |
1125 | ||
6a88adf2 MH |
1126 | cancel_work_sync(&data->work); |
1127 | ||
7bee549e | 1128 | btusb_stop_traffic(data); |
6a88adf2 MH |
1129 | usb_kill_anchored_urbs(&data->tx_anchor); |
1130 | ||
6a88adf2 MH |
1131 | return 0; |
1132 | } | |
1133 | ||
7bee549e ON |
1134 | static void play_deferred(struct btusb_data *data) |
1135 | { | |
1136 | struct urb *urb; | |
1137 | int err; | |
1138 | ||
1139 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1140 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1141 | if (err < 0) | |
1142 | break; | |
1143 | ||
1144 | data->tx_in_flight++; | |
1145 | } | |
1146 | usb_scuttle_anchored_urbs(&data->deferred); | |
1147 | } | |
1148 | ||
6a88adf2 MH |
1149 | static int btusb_resume(struct usb_interface *intf) |
1150 | { | |
1151 | struct btusb_data *data = usb_get_intfdata(intf); | |
1152 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1153 | int err = 0; |
6a88adf2 MH |
1154 | |
1155 | BT_DBG("intf %p", intf); | |
1156 | ||
1157 | if (--data->suspend_count) | |
1158 | return 0; | |
1159 | ||
1160 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1161 | goto done; |
6a88adf2 MH |
1162 | |
1163 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1164 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1165 | if (err < 0) { | |
1166 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1167 | goto failed; |
6a88adf2 MH |
1168 | } |
1169 | } | |
1170 | ||
1171 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1172 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1173 | if (err < 0) { | |
6a88adf2 | 1174 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1175 | goto failed; |
1176 | } | |
1177 | ||
1178 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1179 | } |
1180 | ||
1181 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1182 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1183 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1184 | else | |
1185 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1186 | } | |
1187 | ||
7bee549e ON |
1188 | spin_lock_irq(&data->txlock); |
1189 | play_deferred(data); | |
1190 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1191 | spin_unlock_irq(&data->txlock); | |
1192 | schedule_work(&data->work); | |
1193 | ||
6a88adf2 | 1194 | return 0; |
7bee549e ON |
1195 | |
1196 | failed: | |
1197 | usb_scuttle_anchored_urbs(&data->deferred); | |
1198 | done: | |
1199 | spin_lock_irq(&data->txlock); | |
1200 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1201 | spin_unlock_irq(&data->txlock); | |
1202 | ||
1203 | return err; | |
6a88adf2 | 1204 | } |
7bee549e | 1205 | #endif |
6a88adf2 | 1206 | |
5e23b923 MH |
1207 | static struct usb_driver btusb_driver = { |
1208 | .name = "btusb", | |
1209 | .probe = btusb_probe, | |
1210 | .disconnect = btusb_disconnect, | |
7bee549e | 1211 | #ifdef CONFIG_PM |
6a88adf2 MH |
1212 | .suspend = btusb_suspend, |
1213 | .resume = btusb_resume, | |
7bee549e | 1214 | #endif |
5e23b923 | 1215 | .id_table = btusb_table, |
7bee549e | 1216 | .supports_autosuspend = 1, |
5e23b923 MH |
1217 | }; |
1218 | ||
93f1508c | 1219 | module_usb_driver(btusb_driver); |
5e23b923 | 1220 | |
cfeb4145 MH |
1221 | module_param(ignore_dga, bool, 0644); |
1222 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1223 | ||
1224 | module_param(ignore_csr, bool, 0644); | |
1225 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1226 | ||
1227 | module_param(ignore_sniffer, bool, 0644); | |
1228 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1229 | ||
1230 | module_param(disable_scofix, bool, 0644); | |
1231 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1232 | ||
1233 | module_param(force_scofix, bool, 0644); | |
1234 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1235 | ||
1236 | module_param(reset, bool, 0644); | |
1237 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1238 | ||
5e23b923 MH |
1239 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1240 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1241 | MODULE_VERSION(VERSION); | |
1242 | MODULE_LICENSE("GPL"); |