Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/kernel.h> | |
25 | #include <linux/module.h> | |
26 | #include <linux/init.h> | |
27 | #include <linux/slab.h> | |
28 | #include <linux/types.h> | |
29 | #include <linux/sched.h> | |
30 | #include <linux/errno.h> | |
31 | #include <linux/skbuff.h> | |
32 | ||
33 | #include <linux/usb.h> | |
34 | ||
35 | #include <net/bluetooth/bluetooth.h> | |
36 | #include <net/bluetooth/hci_core.h> | |
37 | ||
7bee549e | 38 | #define VERSION "0.6" |
cfeb4145 | 39 | |
90ab5ee9 RR |
40 | static bool ignore_dga; |
41 | static bool ignore_csr; | |
42 | static bool ignore_sniffer; | |
43 | static bool disable_scofix; | |
44 | static bool force_scofix; | |
7a9d4020 | 45 | |
90ab5ee9 | 46 | static bool reset = 1; |
cfeb4145 MH |
47 | |
48 | static struct usb_driver btusb_driver; | |
49 | ||
50 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
51 | #define BTUSB_DIGIANSWER 0x02 |
52 | #define BTUSB_CSR 0x04 | |
53 | #define BTUSB_SNIFFER 0x08 | |
54 | #define BTUSB_BCM92035 0x10 | |
55 | #define BTUSB_BROKEN_ISOC 0x20 | |
56 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 57 | #define BTUSB_ATH3012 0x80 |
5e23b923 MH |
58 | |
59 | static struct usb_device_id btusb_table[] = { | |
60 | /* Generic Bluetooth USB device */ | |
61 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
62 | ||
c510eae3 ON |
63 | /* Broadcom SoftSailing reporting vendor specific */ |
64 | { USB_DEVICE(0x05ac, 0x21e1) }, | |
65 | ||
3cd01976 NI |
66 | /* Apple MacBookPro 7,1 */ |
67 | { USB_DEVICE(0x05ac, 0x8213) }, | |
68 | ||
0a79f674 CL |
69 | /* Apple iMac11,1 */ |
70 | { USB_DEVICE(0x05ac, 0x8215) }, | |
71 | ||
9c047157 NI |
72 | /* Apple MacBookPro6,2 */ |
73 | { USB_DEVICE(0x05ac, 0x8218) }, | |
74 | ||
3e3ede7d EH |
75 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
76 | { USB_DEVICE(0x05ac, 0x821b) }, | |
77 | ||
a63b723d PAVM |
78 | /* Apple MacBookAir4,1 */ |
79 | { USB_DEVICE(0x05ac, 0x821f) }, | |
80 | ||
88d377b6 MAP |
81 | /* Apple MacBookPro8,2 */ |
82 | { USB_DEVICE(0x05ac, 0x821a) }, | |
83 | ||
f78b6826 JK |
84 | /* Apple MacMini5,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8281) }, | |
86 | ||
cfeb4145 MH |
87 | /* AVM BlueFRITZ! USB v2.0 */ |
88 | { USB_DEVICE(0x057c, 0x3800) }, | |
89 | ||
90 | /* Bluetooth Ultraport Module from IBM */ | |
91 | { USB_DEVICE(0x04bf, 0x030a) }, | |
92 | ||
93 | /* ALPS Modules with non-standard id */ | |
94 | { USB_DEVICE(0x044e, 0x3001) }, | |
95 | { USB_DEVICE(0x044e, 0x3002) }, | |
96 | ||
97 | /* Ericsson with non-standard id */ | |
98 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
99 | ||
100 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 101 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 102 | |
d13431ca | 103 | /* Broadcom BCM20702A0 */ |
c0190925 | 104 | { USB_DEVICE(0x0a5c, 0x21e3) }, |
0a4eaeeb | 105 | { USB_DEVICE(0x0a5c, 0x21e6) }, |
37305cf6 | 106 | { USB_DEVICE(0x0a5c, 0x21f3) }, |
d13431ca WJS |
107 | { USB_DEVICE(0x413c, 0x8197) }, |
108 | ||
5e23b923 MH |
109 | { } /* Terminating entry */ |
110 | }; | |
111 | ||
112 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
113 | ||
114 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
115 | /* CSR BlueCore devices */ |
116 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
117 | ||
118 | /* Broadcom BCM2033 without firmware */ | |
119 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
120 | ||
be93112a BS |
121 | /* Atheros 3011 with sflash firmware */ |
122 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 123 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 124 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 125 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
be93112a | 126 | |
509e7861 CYC |
127 | /* Atheros AR9285 Malbec with sflash firmware */ |
128 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
129 | ||
d9f51b51 | 130 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 131 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 132 | |
e9036e33 CYC |
133 | /* Atheros AR5BBU12 with sflash firmware */ |
134 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
135 | ||
cfeb4145 | 136 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
137 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
138 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
139 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
140 | |
141 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
142 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
143 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 144 | |
cfeb4145 | 145 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
146 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
147 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
148 | |
149 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 150 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
151 | |
152 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 153 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 154 | |
5ddd4a60 | 155 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 156 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 157 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 158 | |
7a9d4020 MH |
159 | /* Belkin F8T012 and F8T013 devices */ |
160 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
161 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 162 | |
5ddd4a60 MH |
163 | /* Asus WL-BTD202 device */ |
164 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
165 | ||
166 | /* Kensington Bluetooth USB adapter */ | |
167 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
168 | ||
cfeb4145 MH |
169 | /* RTX Telecom based adapters with buggy SCO support */ |
170 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
171 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
172 | ||
173 | /* CONWISE Technology based adapters with buggy SCO support */ | |
174 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
175 | ||
cfeb4145 MH |
176 | /* Digianswer devices */ |
177 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
178 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
179 | ||
180 | /* CSR BlueCore Bluetooth Sniffer */ | |
181 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
182 | ||
183 | /* Frontline ComProbe Bluetooth Sniffer */ | |
184 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
185 | ||
5e23b923 MH |
186 | { } /* Terminating entry */ |
187 | }; | |
188 | ||
9bfa35fe MH |
189 | #define BTUSB_MAX_ISOC_FRAMES 10 |
190 | ||
5e23b923 MH |
191 | #define BTUSB_INTR_RUNNING 0 |
192 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 193 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 194 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 195 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
196 | |
197 | struct btusb_data { | |
198 | struct hci_dev *hdev; | |
199 | struct usb_device *udev; | |
5fbcd260 | 200 | struct usb_interface *intf; |
9bfa35fe | 201 | struct usb_interface *isoc; |
5e23b923 MH |
202 | |
203 | spinlock_t lock; | |
204 | ||
205 | unsigned long flags; | |
206 | ||
207 | struct work_struct work; | |
7bee549e | 208 | struct work_struct waker; |
5e23b923 MH |
209 | |
210 | struct usb_anchor tx_anchor; | |
211 | struct usb_anchor intr_anchor; | |
212 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 213 | struct usb_anchor isoc_anchor; |
7bee549e ON |
214 | struct usb_anchor deferred; |
215 | int tx_in_flight; | |
216 | spinlock_t txlock; | |
5e23b923 MH |
217 | |
218 | struct usb_endpoint_descriptor *intr_ep; | |
219 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
220 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
221 | struct usb_endpoint_descriptor *isoc_tx_ep; |
222 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
223 | ||
7a9d4020 MH |
224 | __u8 cmdreq_type; |
225 | ||
43c2e57f | 226 | unsigned int sco_num; |
9bfa35fe | 227 | int isoc_altsetting; |
6a88adf2 | 228 | int suspend_count; |
5e23b923 MH |
229 | }; |
230 | ||
7bee549e ON |
231 | static int inc_tx(struct btusb_data *data) |
232 | { | |
233 | unsigned long flags; | |
234 | int rv; | |
235 | ||
236 | spin_lock_irqsave(&data->txlock, flags); | |
237 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
238 | if (!rv) | |
239 | data->tx_in_flight++; | |
240 | spin_unlock_irqrestore(&data->txlock, flags); | |
241 | ||
242 | return rv; | |
243 | } | |
244 | ||
5e23b923 MH |
245 | static void btusb_intr_complete(struct urb *urb) |
246 | { | |
247 | struct hci_dev *hdev = urb->context; | |
155961e8 | 248 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
249 | int err; |
250 | ||
251 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
252 | urb, urb->status, urb->actual_length); | |
253 | ||
254 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
255 | return; | |
256 | ||
257 | if (urb->status == 0) { | |
9bfa35fe MH |
258 | hdev->stat.byte_rx += urb->actual_length; |
259 | ||
5e23b923 MH |
260 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
261 | urb->transfer_buffer, | |
262 | urb->actual_length) < 0) { | |
263 | BT_ERR("%s corrupted event packet", hdev->name); | |
264 | hdev->stat.err_rx++; | |
265 | } | |
266 | } | |
267 | ||
268 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
269 | return; | |
270 | ||
7bee549e | 271 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
272 | usb_anchor_urb(urb, &data->intr_anchor); |
273 | ||
274 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
275 | if (err < 0) { | |
4935f1c1 PB |
276 | /* -EPERM: urb is being killed; |
277 | * -ENODEV: device got disconnected */ | |
278 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 279 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
280 | hdev->name, urb, -err); |
281 | usb_unanchor_urb(urb); | |
282 | } | |
283 | } | |
284 | ||
2eda66f4 | 285 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 286 | { |
155961e8 | 287 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
288 | struct urb *urb; |
289 | unsigned char *buf; | |
290 | unsigned int pipe; | |
291 | int err, size; | |
292 | ||
293 | BT_DBG("%s", hdev->name); | |
294 | ||
9bfa35fe MH |
295 | if (!data->intr_ep) |
296 | return -ENODEV; | |
297 | ||
2eda66f4 | 298 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
299 | if (!urb) |
300 | return -ENOMEM; | |
301 | ||
302 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
303 | ||
2eda66f4 | 304 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
305 | if (!buf) { |
306 | usb_free_urb(urb); | |
307 | return -ENOMEM; | |
308 | } | |
309 | ||
310 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
311 | ||
312 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
313 | btusb_intr_complete, hdev, | |
314 | data->intr_ep->bInterval); | |
315 | ||
316 | urb->transfer_flags |= URB_FREE_BUFFER; | |
317 | ||
318 | usb_anchor_urb(urb, &data->intr_anchor); | |
319 | ||
2eda66f4 | 320 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 321 | if (err < 0) { |
d4b8d1c9 PB |
322 | if (err != -EPERM && err != -ENODEV) |
323 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
324 | hdev->name, urb, -err); |
325 | usb_unanchor_urb(urb); | |
5e23b923 MH |
326 | } |
327 | ||
328 | usb_free_urb(urb); | |
329 | ||
330 | return err; | |
331 | } | |
332 | ||
333 | static void btusb_bulk_complete(struct urb *urb) | |
334 | { | |
335 | struct hci_dev *hdev = urb->context; | |
155961e8 | 336 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
337 | int err; |
338 | ||
339 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
340 | urb, urb->status, urb->actual_length); | |
341 | ||
342 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
343 | return; | |
344 | ||
345 | if (urb->status == 0) { | |
9bfa35fe MH |
346 | hdev->stat.byte_rx += urb->actual_length; |
347 | ||
5e23b923 MH |
348 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
349 | urb->transfer_buffer, | |
350 | urb->actual_length) < 0) { | |
351 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
352 | hdev->stat.err_rx++; | |
353 | } | |
354 | } | |
355 | ||
356 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
357 | return; | |
358 | ||
359 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 360 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
361 | |
362 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
363 | if (err < 0) { | |
4935f1c1 PB |
364 | /* -EPERM: urb is being killed; |
365 | * -ENODEV: device got disconnected */ | |
366 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 367 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
368 | hdev->name, urb, -err); |
369 | usb_unanchor_urb(urb); | |
370 | } | |
371 | } | |
372 | ||
2eda66f4 | 373 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 374 | { |
155961e8 | 375 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
376 | struct urb *urb; |
377 | unsigned char *buf; | |
378 | unsigned int pipe; | |
290ba200 | 379 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
380 | |
381 | BT_DBG("%s", hdev->name); | |
382 | ||
9bfa35fe MH |
383 | if (!data->bulk_rx_ep) |
384 | return -ENODEV; | |
385 | ||
2eda66f4 | 386 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
387 | if (!urb) |
388 | return -ENOMEM; | |
389 | ||
2eda66f4 | 390 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
391 | if (!buf) { |
392 | usb_free_urb(urb); | |
393 | return -ENOMEM; | |
394 | } | |
395 | ||
396 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
397 | ||
398 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
399 | buf, size, btusb_bulk_complete, hdev); | |
400 | ||
401 | urb->transfer_flags |= URB_FREE_BUFFER; | |
402 | ||
7bee549e | 403 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
404 | usb_anchor_urb(urb, &data->bulk_anchor); |
405 | ||
2eda66f4 | 406 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 407 | if (err < 0) { |
d4b8d1c9 PB |
408 | if (err != -EPERM && err != -ENODEV) |
409 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
410 | hdev->name, urb, -err); |
411 | usb_unanchor_urb(urb); | |
5e23b923 MH |
412 | } |
413 | ||
414 | usb_free_urb(urb); | |
415 | ||
416 | return err; | |
417 | } | |
418 | ||
9bfa35fe MH |
419 | static void btusb_isoc_complete(struct urb *urb) |
420 | { | |
421 | struct hci_dev *hdev = urb->context; | |
155961e8 | 422 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
423 | int i, err; |
424 | ||
425 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
426 | urb, urb->status, urb->actual_length); | |
427 | ||
428 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
429 | return; | |
430 | ||
431 | if (urb->status == 0) { | |
432 | for (i = 0; i < urb->number_of_packets; i++) { | |
433 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
434 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
435 | ||
436 | if (urb->iso_frame_desc[i].status) | |
437 | continue; | |
438 | ||
439 | hdev->stat.byte_rx += length; | |
440 | ||
441 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
442 | urb->transfer_buffer + offset, | |
443 | length) < 0) { | |
444 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
445 | hdev->stat.err_rx++; | |
446 | } | |
447 | } | |
448 | } | |
449 | ||
450 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
451 | return; | |
452 | ||
453 | usb_anchor_urb(urb, &data->isoc_anchor); | |
454 | ||
455 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
456 | if (err < 0) { | |
4935f1c1 PB |
457 | /* -EPERM: urb is being killed; |
458 | * -ENODEV: device got disconnected */ | |
459 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 460 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
461 | hdev->name, urb, -err); |
462 | usb_unanchor_urb(urb); | |
463 | } | |
464 | } | |
465 | ||
42b16b3f | 466 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
467 | { |
468 | int i, offset = 0; | |
469 | ||
470 | BT_DBG("len %d mtu %d", len, mtu); | |
471 | ||
472 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
473 | i++, offset += mtu, len -= mtu) { | |
474 | urb->iso_frame_desc[i].offset = offset; | |
475 | urb->iso_frame_desc[i].length = mtu; | |
476 | } | |
477 | ||
478 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
479 | urb->iso_frame_desc[i].offset = offset; | |
480 | urb->iso_frame_desc[i].length = len; | |
481 | i++; | |
482 | } | |
483 | ||
484 | urb->number_of_packets = i; | |
485 | } | |
486 | ||
2eda66f4 | 487 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 488 | { |
155961e8 | 489 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
490 | struct urb *urb; |
491 | unsigned char *buf; | |
492 | unsigned int pipe; | |
493 | int err, size; | |
494 | ||
495 | BT_DBG("%s", hdev->name); | |
496 | ||
497 | if (!data->isoc_rx_ep) | |
498 | return -ENODEV; | |
499 | ||
2eda66f4 | 500 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
501 | if (!urb) |
502 | return -ENOMEM; | |
503 | ||
504 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
505 | BTUSB_MAX_ISOC_FRAMES; | |
506 | ||
2eda66f4 | 507 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
508 | if (!buf) { |
509 | usb_free_urb(urb); | |
510 | return -ENOMEM; | |
511 | } | |
512 | ||
513 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
514 | ||
fa0fb93f BZ |
515 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
516 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
517 | |
518 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
519 | |
520 | __fill_isoc_descriptor(urb, size, | |
521 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
522 | ||
523 | usb_anchor_urb(urb, &data->isoc_anchor); | |
524 | ||
2eda66f4 | 525 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 526 | if (err < 0) { |
d4b8d1c9 PB |
527 | if (err != -EPERM && err != -ENODEV) |
528 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
529 | hdev->name, urb, -err); |
530 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
531 | } |
532 | ||
533 | usb_free_urb(urb); | |
534 | ||
535 | return err; | |
536 | } | |
537 | ||
5e23b923 | 538 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
539 | { |
540 | struct sk_buff *skb = urb->context; | |
541 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 542 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
543 | |
544 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
545 | urb, urb->status, urb->actual_length); | |
546 | ||
547 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
548 | goto done; | |
549 | ||
550 | if (!urb->status) | |
551 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
552 | else | |
553 | hdev->stat.err_tx++; | |
554 | ||
555 | done: | |
556 | spin_lock(&data->txlock); | |
557 | data->tx_in_flight--; | |
558 | spin_unlock(&data->txlock); | |
559 | ||
560 | kfree(urb->setup_packet); | |
561 | ||
562 | kfree_skb(skb); | |
563 | } | |
564 | ||
565 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
566 | { |
567 | struct sk_buff *skb = urb->context; | |
568 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
569 | ||
570 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
571 | urb, urb->status, urb->actual_length); | |
572 | ||
573 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
574 | goto done; | |
575 | ||
576 | if (!urb->status) | |
577 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
578 | else | |
579 | hdev->stat.err_tx++; | |
580 | ||
581 | done: | |
582 | kfree(urb->setup_packet); | |
583 | ||
584 | kfree_skb(skb); | |
585 | } | |
586 | ||
587 | static int btusb_open(struct hci_dev *hdev) | |
588 | { | |
155961e8 | 589 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
590 | int err; |
591 | ||
592 | BT_DBG("%s", hdev->name); | |
593 | ||
7bee549e ON |
594 | err = usb_autopm_get_interface(data->intf); |
595 | if (err < 0) | |
596 | return err; | |
597 | ||
598 | data->intf->needs_remote_wakeup = 1; | |
599 | ||
5e23b923 | 600 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 601 | goto done; |
5e23b923 MH |
602 | |
603 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 604 | goto done; |
5e23b923 | 605 | |
2eda66f4 | 606 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
607 | if (err < 0) |
608 | goto failed; | |
609 | ||
610 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 611 | if (err < 0) { |
43c2e57f MH |
612 | usb_kill_anchored_urbs(&data->intr_anchor); |
613 | goto failed; | |
5e23b923 MH |
614 | } |
615 | ||
43c2e57f MH |
616 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
617 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
618 | ||
7bee549e ON |
619 | done: |
620 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
621 | return 0; |
622 | ||
623 | failed: | |
624 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
625 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 626 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
627 | return err; |
628 | } | |
629 | ||
7bee549e ON |
630 | static void btusb_stop_traffic(struct btusb_data *data) |
631 | { | |
632 | usb_kill_anchored_urbs(&data->intr_anchor); | |
633 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
634 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
635 | } | |
636 | ||
5e23b923 MH |
637 | static int btusb_close(struct hci_dev *hdev) |
638 | { | |
155961e8 | 639 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 640 | int err; |
5e23b923 MH |
641 | |
642 | BT_DBG("%s", hdev->name); | |
643 | ||
644 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
645 | return 0; | |
646 | ||
e8c3c3d2 | 647 | cancel_work_sync(&data->work); |
404291ac | 648 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 649 | |
9bfa35fe | 650 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 651 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 652 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
653 | |
654 | btusb_stop_traffic(data); | |
655 | err = usb_autopm_get_interface(data->intf); | |
656 | if (err < 0) | |
7b8e2c1d | 657 | goto failed; |
7bee549e ON |
658 | |
659 | data->intf->needs_remote_wakeup = 0; | |
660 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 661 | |
7b8e2c1d ON |
662 | failed: |
663 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
664 | return 0; |
665 | } | |
666 | ||
667 | static int btusb_flush(struct hci_dev *hdev) | |
668 | { | |
155961e8 | 669 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
670 | |
671 | BT_DBG("%s", hdev->name); | |
672 | ||
673 | usb_kill_anchored_urbs(&data->tx_anchor); | |
674 | ||
675 | return 0; | |
676 | } | |
677 | ||
678 | static int btusb_send_frame(struct sk_buff *skb) | |
679 | { | |
680 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 681 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
682 | struct usb_ctrlrequest *dr; |
683 | struct urb *urb; | |
684 | unsigned int pipe; | |
685 | int err; | |
686 | ||
687 | BT_DBG("%s", hdev->name); | |
688 | ||
689 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
690 | return -EBUSY; | |
691 | ||
692 | switch (bt_cb(skb)->pkt_type) { | |
693 | case HCI_COMMAND_PKT: | |
694 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
695 | if (!urb) | |
696 | return -ENOMEM; | |
697 | ||
698 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
699 | if (!dr) { | |
700 | usb_free_urb(urb); | |
701 | return -ENOMEM; | |
702 | } | |
703 | ||
7a9d4020 | 704 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
705 | dr->bRequest = 0; |
706 | dr->wIndex = 0; | |
707 | dr->wValue = 0; | |
708 | dr->wLength = __cpu_to_le16(skb->len); | |
709 | ||
710 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
711 | ||
712 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
713 | skb->data, skb->len, btusb_tx_complete, skb); | |
714 | ||
715 | hdev->stat.cmd_tx++; | |
716 | break; | |
717 | ||
718 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 719 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
720 | return -ENODEV; |
721 | ||
5e23b923 MH |
722 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
723 | if (!urb) | |
724 | return -ENOMEM; | |
725 | ||
726 | pipe = usb_sndbulkpipe(data->udev, | |
727 | data->bulk_tx_ep->bEndpointAddress); | |
728 | ||
729 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
730 | skb->data, skb->len, btusb_tx_complete, skb); | |
731 | ||
732 | hdev->stat.acl_tx++; | |
733 | break; | |
734 | ||
735 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
736 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
737 | return -ENODEV; | |
738 | ||
739 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
740 | if (!urb) | |
741 | return -ENOMEM; | |
742 | ||
743 | pipe = usb_sndisocpipe(data->udev, | |
744 | data->isoc_tx_ep->bEndpointAddress); | |
745 | ||
03c2d0e8 GP |
746 | usb_fill_int_urb(urb, data->udev, pipe, |
747 | skb->data, skb->len, btusb_isoc_tx_complete, | |
748 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
749 | |
750 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
751 | |
752 | __fill_isoc_descriptor(urb, skb->len, | |
753 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
754 | ||
5e23b923 | 755 | hdev->stat.sco_tx++; |
7bee549e | 756 | goto skip_waking; |
5e23b923 MH |
757 | |
758 | default: | |
759 | return -EILSEQ; | |
760 | } | |
761 | ||
7bee549e ON |
762 | err = inc_tx(data); |
763 | if (err) { | |
764 | usb_anchor_urb(urb, &data->deferred); | |
765 | schedule_work(&data->waker); | |
766 | err = 0; | |
767 | goto done; | |
768 | } | |
769 | ||
770 | skip_waking: | |
5e23b923 MH |
771 | usb_anchor_urb(urb, &data->tx_anchor); |
772 | ||
773 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
774 | if (err < 0) { | |
5a9b80e2 PB |
775 | if (err != -EPERM && err != -ENODEV) |
776 | BT_ERR("%s urb %p submission failed (%d)", | |
777 | hdev->name, urb, -err); | |
5e23b923 MH |
778 | kfree(urb->setup_packet); |
779 | usb_unanchor_urb(urb); | |
7bee549e ON |
780 | } else { |
781 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
782 | } |
783 | ||
7bee549e | 784 | done: |
54a8a79c | 785 | usb_free_urb(urb); |
5e23b923 MH |
786 | return err; |
787 | } | |
788 | ||
5e23b923 MH |
789 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
790 | { | |
155961e8 | 791 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
792 | |
793 | BT_DBG("%s evt %d", hdev->name, evt); | |
794 | ||
43c2e57f MH |
795 | if (hdev->conn_hash.sco_num != data->sco_num) { |
796 | data->sco_num = hdev->conn_hash.sco_num; | |
797 | schedule_work(&data->work); | |
a780efa8 | 798 | } |
5e23b923 MH |
799 | } |
800 | ||
42b16b3f | 801 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 802 | { |
155961e8 | 803 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
804 | struct usb_interface *intf = data->isoc; |
805 | struct usb_endpoint_descriptor *ep_desc; | |
806 | int i, err; | |
807 | ||
808 | if (!data->isoc) | |
809 | return -ENODEV; | |
810 | ||
811 | err = usb_set_interface(data->udev, 1, altsetting); | |
812 | if (err < 0) { | |
813 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
814 | return err; | |
815 | } | |
816 | ||
817 | data->isoc_altsetting = altsetting; | |
818 | ||
819 | data->isoc_tx_ep = NULL; | |
820 | data->isoc_rx_ep = NULL; | |
821 | ||
822 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
823 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
824 | ||
825 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
826 | data->isoc_tx_ep = ep_desc; | |
827 | continue; | |
828 | } | |
829 | ||
830 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
831 | data->isoc_rx_ep = ep_desc; | |
832 | continue; | |
833 | } | |
834 | } | |
835 | ||
836 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
837 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
838 | return -ENODEV; | |
839 | } | |
840 | ||
841 | return 0; | |
842 | } | |
843 | ||
5e23b923 MH |
844 | static void btusb_work(struct work_struct *work) |
845 | { | |
846 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
847 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 848 | int err; |
5e23b923 | 849 | |
9bfa35fe | 850 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 851 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 852 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
853 | if (err < 0) { |
854 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
855 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
856 | return; | |
857 | } | |
858 | ||
08b8b6c4 | 859 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 860 | } |
9bfa35fe MH |
861 | if (data->isoc_altsetting != 2) { |
862 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
863 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
864 | ||
865 | if (__set_isoc_interface(hdev, 2) < 0) | |
866 | return; | |
867 | } | |
868 | ||
869 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 870 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
871 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
872 | else | |
2eda66f4 | 873 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
874 | } |
875 | } else { | |
876 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
877 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
878 | ||
879 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 880 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 881 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
882 | } |
883 | } | |
884 | ||
7bee549e ON |
885 | static void btusb_waker(struct work_struct *work) |
886 | { | |
887 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
888 | int err; | |
889 | ||
890 | err = usb_autopm_get_interface(data->intf); | |
891 | if (err < 0) | |
892 | return; | |
893 | ||
894 | usb_autopm_put_interface(data->intf); | |
895 | } | |
896 | ||
5e23b923 MH |
897 | static int btusb_probe(struct usb_interface *intf, |
898 | const struct usb_device_id *id) | |
899 | { | |
900 | struct usb_endpoint_descriptor *ep_desc; | |
901 | struct btusb_data *data; | |
902 | struct hci_dev *hdev; | |
903 | int i, err; | |
904 | ||
905 | BT_DBG("intf %p id %p", intf, id); | |
906 | ||
cfeb4145 | 907 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
908 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
909 | return -ENODEV; | |
910 | ||
911 | if (!id->driver_info) { | |
912 | const struct usb_device_id *match; | |
913 | match = usb_match_id(intf, blacklist_table); | |
914 | if (match) | |
915 | id = match; | |
916 | } | |
917 | ||
cfeb4145 MH |
918 | if (id->driver_info == BTUSB_IGNORE) |
919 | return -ENODEV; | |
920 | ||
921 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
922 | return -ENODEV; | |
923 | ||
924 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
925 | return -ENODEV; | |
926 | ||
927 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
928 | return -ENODEV; | |
929 | ||
2d25f8b4 SL |
930 | if (id->driver_info & BTUSB_ATH3012) { |
931 | struct usb_device *udev = interface_to_usbdev(intf); | |
932 | ||
933 | /* Old firmware would otherwise let ath3k driver load | |
934 | * patch and sysconfig files */ | |
935 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
936 | return -ENODEV; | |
937 | } | |
938 | ||
5e23b923 MH |
939 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
940 | if (!data) | |
941 | return -ENOMEM; | |
942 | ||
943 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
944 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
945 | ||
946 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
947 | data->intr_ep = ep_desc; | |
948 | continue; | |
949 | } | |
950 | ||
951 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
952 | data->bulk_tx_ep = ep_desc; | |
953 | continue; | |
954 | } | |
955 | ||
956 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
957 | data->bulk_rx_ep = ep_desc; | |
958 | continue; | |
959 | } | |
960 | } | |
961 | ||
962 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
963 | kfree(data); | |
964 | return -ENODEV; | |
965 | } | |
966 | ||
7a9d4020 MH |
967 | data->cmdreq_type = USB_TYPE_CLASS; |
968 | ||
5e23b923 | 969 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 970 | data->intf = intf; |
5e23b923 MH |
971 | |
972 | spin_lock_init(&data->lock); | |
973 | ||
974 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
975 | INIT_WORK(&data->waker, btusb_waker); |
976 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
977 | |
978 | init_usb_anchor(&data->tx_anchor); | |
979 | init_usb_anchor(&data->intr_anchor); | |
980 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 981 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 982 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
983 | |
984 | hdev = hci_alloc_dev(); | |
985 | if (!hdev) { | |
986 | kfree(data); | |
987 | return -ENOMEM; | |
988 | } | |
989 | ||
c13854ce | 990 | hdev->bus = HCI_USB; |
155961e8 | 991 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
992 | |
993 | data->hdev = hdev; | |
994 | ||
995 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
996 | ||
997 | hdev->open = btusb_open; | |
998 | hdev->close = btusb_close; | |
999 | hdev->flush = btusb_flush; | |
1000 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1001 | hdev->notify = btusb_notify; |
1002 | ||
7a9d4020 | 1003 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1004 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1005 | ||
7a9d4020 MH |
1006 | if (!reset) |
1007 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1008 | |
1009 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1010 | if (!disable_scofix) | |
1011 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1012 | } | |
1013 | ||
9bfa35fe MH |
1014 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1015 | data->isoc = NULL; | |
1016 | ||
7a9d4020 MH |
1017 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1018 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1019 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1020 | } | |
1021 | ||
1022 | if (id->driver_info & BTUSB_CSR) { | |
1023 | struct usb_device *udev = data->udev; | |
1024 | ||
1025 | /* Old firmware would otherwise execute USB reset */ | |
1026 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1027 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1028 | } | |
1029 | ||
cfeb4145 | 1030 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1031 | struct usb_device *udev = data->udev; |
cfeb4145 | 1032 | |
7a9d4020 | 1033 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1034 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1035 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1036 | |
1037 | data->isoc = NULL; | |
cfeb4145 MH |
1038 | } |
1039 | ||
1040 | if (id->driver_info & BTUSB_BCM92035) { | |
1041 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1042 | struct sk_buff *skb; | |
1043 | ||
1044 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1045 | if (skb) { | |
1046 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1047 | skb_queue_tail(&hdev->driver_init, skb); | |
1048 | } | |
1049 | } | |
5e23b923 | 1050 | |
9bfa35fe MH |
1051 | if (data->isoc) { |
1052 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1053 | data->isoc, data); |
9bfa35fe MH |
1054 | if (err < 0) { |
1055 | hci_free_dev(hdev); | |
1056 | kfree(data); | |
1057 | return err; | |
1058 | } | |
1059 | } | |
1060 | ||
5e23b923 MH |
1061 | err = hci_register_dev(hdev); |
1062 | if (err < 0) { | |
1063 | hci_free_dev(hdev); | |
1064 | kfree(data); | |
1065 | return err; | |
1066 | } | |
1067 | ||
1068 | usb_set_intfdata(intf, data); | |
1069 | ||
1070 | return 0; | |
1071 | } | |
1072 | ||
1073 | static void btusb_disconnect(struct usb_interface *intf) | |
1074 | { | |
1075 | struct btusb_data *data = usb_get_intfdata(intf); | |
1076 | struct hci_dev *hdev; | |
1077 | ||
1078 | BT_DBG("intf %p", intf); | |
1079 | ||
1080 | if (!data) | |
1081 | return; | |
1082 | ||
1083 | hdev = data->hdev; | |
5fbcd260 MH |
1084 | usb_set_intfdata(data->intf, NULL); |
1085 | ||
1086 | if (data->isoc) | |
1087 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1088 | |
1089 | hci_unregister_dev(hdev); | |
1090 | ||
5fbcd260 MH |
1091 | if (intf == data->isoc) |
1092 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1093 | else if (data->isoc) | |
1094 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1095 | ||
5e23b923 | 1096 | hci_free_dev(hdev); |
8381088e | 1097 | kfree(data); |
5e23b923 MH |
1098 | } |
1099 | ||
7bee549e | 1100 | #ifdef CONFIG_PM |
6a88adf2 MH |
1101 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1102 | { | |
1103 | struct btusb_data *data = usb_get_intfdata(intf); | |
1104 | ||
1105 | BT_DBG("intf %p", intf); | |
1106 | ||
1107 | if (data->suspend_count++) | |
1108 | return 0; | |
1109 | ||
7bee549e | 1110 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1111 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1112 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1113 | spin_unlock_irq(&data->txlock); | |
1114 | } else { | |
1115 | spin_unlock_irq(&data->txlock); | |
1116 | data->suspend_count--; | |
1117 | return -EBUSY; | |
1118 | } | |
1119 | ||
6a88adf2 MH |
1120 | cancel_work_sync(&data->work); |
1121 | ||
7bee549e | 1122 | btusb_stop_traffic(data); |
6a88adf2 MH |
1123 | usb_kill_anchored_urbs(&data->tx_anchor); |
1124 | ||
6a88adf2 MH |
1125 | return 0; |
1126 | } | |
1127 | ||
7bee549e ON |
1128 | static void play_deferred(struct btusb_data *data) |
1129 | { | |
1130 | struct urb *urb; | |
1131 | int err; | |
1132 | ||
1133 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1134 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1135 | if (err < 0) | |
1136 | break; | |
1137 | ||
1138 | data->tx_in_flight++; | |
1139 | } | |
1140 | usb_scuttle_anchored_urbs(&data->deferred); | |
1141 | } | |
1142 | ||
6a88adf2 MH |
1143 | static int btusb_resume(struct usb_interface *intf) |
1144 | { | |
1145 | struct btusb_data *data = usb_get_intfdata(intf); | |
1146 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1147 | int err = 0; |
6a88adf2 MH |
1148 | |
1149 | BT_DBG("intf %p", intf); | |
1150 | ||
1151 | if (--data->suspend_count) | |
1152 | return 0; | |
1153 | ||
1154 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1155 | goto done; |
6a88adf2 MH |
1156 | |
1157 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1158 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1159 | if (err < 0) { | |
1160 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1161 | goto failed; |
6a88adf2 MH |
1162 | } |
1163 | } | |
1164 | ||
1165 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1166 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1167 | if (err < 0) { | |
6a88adf2 | 1168 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1169 | goto failed; |
1170 | } | |
1171 | ||
1172 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1173 | } |
1174 | ||
1175 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1176 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1177 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1178 | else | |
1179 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1180 | } | |
1181 | ||
7bee549e ON |
1182 | spin_lock_irq(&data->txlock); |
1183 | play_deferred(data); | |
1184 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1185 | spin_unlock_irq(&data->txlock); | |
1186 | schedule_work(&data->work); | |
1187 | ||
6a88adf2 | 1188 | return 0; |
7bee549e ON |
1189 | |
1190 | failed: | |
1191 | usb_scuttle_anchored_urbs(&data->deferred); | |
1192 | done: | |
1193 | spin_lock_irq(&data->txlock); | |
1194 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1195 | spin_unlock_irq(&data->txlock); | |
1196 | ||
1197 | return err; | |
6a88adf2 | 1198 | } |
7bee549e | 1199 | #endif |
6a88adf2 | 1200 | |
5e23b923 MH |
1201 | static struct usb_driver btusb_driver = { |
1202 | .name = "btusb", | |
1203 | .probe = btusb_probe, | |
1204 | .disconnect = btusb_disconnect, | |
7bee549e | 1205 | #ifdef CONFIG_PM |
6a88adf2 MH |
1206 | .suspend = btusb_suspend, |
1207 | .resume = btusb_resume, | |
7bee549e | 1208 | #endif |
5e23b923 | 1209 | .id_table = btusb_table, |
7bee549e | 1210 | .supports_autosuspend = 1, |
5e23b923 MH |
1211 | }; |
1212 | ||
93f1508c | 1213 | module_usb_driver(btusb_driver); |
5e23b923 | 1214 | |
cfeb4145 MH |
1215 | module_param(ignore_dga, bool, 0644); |
1216 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1217 | ||
1218 | module_param(ignore_csr, bool, 0644); | |
1219 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1220 | ||
1221 | module_param(ignore_sniffer, bool, 0644); | |
1222 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1223 | ||
1224 | module_param(disable_scofix, bool, 0644); | |
1225 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1226 | ||
1227 | module_param(force_scofix, bool, 0644); | |
1228 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1229 | ||
1230 | module_param(reset, bool, 0644); | |
1231 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1232 | ||
5e23b923 MH |
1233 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1234 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1235 | MODULE_VERSION(VERSION); | |
1236 | MODULE_LICENSE("GPL"); |