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Commit | Line | Data |
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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 | ||
98514036 SH |
111 | /* Foxconn - Hon Hai */ |
112 | { USB_DEVICE(0x0489, 0xe033) }, | |
113 | ||
5e23b923 MH |
114 | { } /* Terminating entry */ |
115 | }; | |
116 | ||
117 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
118 | ||
119 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
120 | /* CSR BlueCore devices */ |
121 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
122 | ||
123 | /* Broadcom BCM2033 without firmware */ | |
124 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
125 | ||
be93112a BS |
126 | /* Atheros 3011 with sflash firmware */ |
127 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
2a7bcccc | 128 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 129 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 130 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
be93112a | 131 | |
509e7861 CYC |
132 | /* Atheros AR9285 Malbec with sflash firmware */ |
133 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
134 | ||
d9f51b51 | 135 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 136 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 137 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 138 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 139 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 140 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 141 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 142 | |
e9036e33 CYC |
143 | /* Atheros AR5BBU12 with sflash firmware */ |
144 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
145 | ||
cfeb4145 | 146 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
147 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
148 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
149 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
150 | |
151 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
152 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
153 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 154 | |
cfeb4145 | 155 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
156 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
157 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
158 | |
159 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 160 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
161 | |
162 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 163 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 164 | |
5ddd4a60 | 165 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 166 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 167 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 168 | |
7a9d4020 MH |
169 | /* Belkin F8T012 and F8T013 devices */ |
170 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
171 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 172 | |
5ddd4a60 MH |
173 | /* Asus WL-BTD202 device */ |
174 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
175 | ||
176 | /* Kensington Bluetooth USB adapter */ | |
177 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
178 | ||
cfeb4145 MH |
179 | /* RTX Telecom based adapters with buggy SCO support */ |
180 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
181 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
182 | ||
183 | /* CONWISE Technology based adapters with buggy SCO support */ | |
184 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
185 | ||
cfeb4145 MH |
186 | /* Digianswer devices */ |
187 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
188 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
189 | ||
190 | /* CSR BlueCore Bluetooth Sniffer */ | |
191 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
192 | ||
193 | /* Frontline ComProbe Bluetooth Sniffer */ | |
194 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
195 | ||
5e23b923 MH |
196 | { } /* Terminating entry */ |
197 | }; | |
198 | ||
9bfa35fe MH |
199 | #define BTUSB_MAX_ISOC_FRAMES 10 |
200 | ||
5e23b923 MH |
201 | #define BTUSB_INTR_RUNNING 0 |
202 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 203 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 204 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 205 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
206 | |
207 | struct btusb_data { | |
208 | struct hci_dev *hdev; | |
209 | struct usb_device *udev; | |
5fbcd260 | 210 | struct usb_interface *intf; |
9bfa35fe | 211 | struct usb_interface *isoc; |
5e23b923 MH |
212 | |
213 | spinlock_t lock; | |
214 | ||
215 | unsigned long flags; | |
216 | ||
217 | struct work_struct work; | |
7bee549e | 218 | struct work_struct waker; |
5e23b923 MH |
219 | |
220 | struct usb_anchor tx_anchor; | |
221 | struct usb_anchor intr_anchor; | |
222 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 223 | struct usb_anchor isoc_anchor; |
7bee549e ON |
224 | struct usb_anchor deferred; |
225 | int tx_in_flight; | |
226 | spinlock_t txlock; | |
5e23b923 MH |
227 | |
228 | struct usb_endpoint_descriptor *intr_ep; | |
229 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
230 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
231 | struct usb_endpoint_descriptor *isoc_tx_ep; |
232 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
233 | ||
7a9d4020 MH |
234 | __u8 cmdreq_type; |
235 | ||
43c2e57f | 236 | unsigned int sco_num; |
9bfa35fe | 237 | int isoc_altsetting; |
6a88adf2 | 238 | int suspend_count; |
5e23b923 MH |
239 | }; |
240 | ||
7bee549e ON |
241 | static int inc_tx(struct btusb_data *data) |
242 | { | |
243 | unsigned long flags; | |
244 | int rv; | |
245 | ||
246 | spin_lock_irqsave(&data->txlock, flags); | |
247 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
248 | if (!rv) | |
249 | data->tx_in_flight++; | |
250 | spin_unlock_irqrestore(&data->txlock, flags); | |
251 | ||
252 | return rv; | |
253 | } | |
254 | ||
5e23b923 MH |
255 | static void btusb_intr_complete(struct urb *urb) |
256 | { | |
257 | struct hci_dev *hdev = urb->context; | |
155961e8 | 258 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
259 | int err; |
260 | ||
261 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
262 | urb, urb->status, urb->actual_length); | |
263 | ||
264 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
265 | return; | |
266 | ||
267 | if (urb->status == 0) { | |
9bfa35fe MH |
268 | hdev->stat.byte_rx += urb->actual_length; |
269 | ||
5e23b923 MH |
270 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
271 | urb->transfer_buffer, | |
272 | urb->actual_length) < 0) { | |
273 | BT_ERR("%s corrupted event packet", hdev->name); | |
274 | hdev->stat.err_rx++; | |
275 | } | |
276 | } | |
277 | ||
278 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
279 | return; | |
280 | ||
7bee549e | 281 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
282 | usb_anchor_urb(urb, &data->intr_anchor); |
283 | ||
284 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
285 | if (err < 0) { | |
4935f1c1 PB |
286 | /* -EPERM: urb is being killed; |
287 | * -ENODEV: device got disconnected */ | |
288 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 289 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
290 | hdev->name, urb, -err); |
291 | usb_unanchor_urb(urb); | |
292 | } | |
293 | } | |
294 | ||
2eda66f4 | 295 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 296 | { |
155961e8 | 297 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
298 | struct urb *urb; |
299 | unsigned char *buf; | |
300 | unsigned int pipe; | |
301 | int err, size; | |
302 | ||
303 | BT_DBG("%s", hdev->name); | |
304 | ||
9bfa35fe MH |
305 | if (!data->intr_ep) |
306 | return -ENODEV; | |
307 | ||
2eda66f4 | 308 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
309 | if (!urb) |
310 | return -ENOMEM; | |
311 | ||
312 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
313 | ||
2eda66f4 | 314 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
315 | if (!buf) { |
316 | usb_free_urb(urb); | |
317 | return -ENOMEM; | |
318 | } | |
319 | ||
320 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
321 | ||
322 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
323 | btusb_intr_complete, hdev, | |
324 | data->intr_ep->bInterval); | |
325 | ||
326 | urb->transfer_flags |= URB_FREE_BUFFER; | |
327 | ||
328 | usb_anchor_urb(urb, &data->intr_anchor); | |
329 | ||
2eda66f4 | 330 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 331 | if (err < 0) { |
d4b8d1c9 PB |
332 | if (err != -EPERM && err != -ENODEV) |
333 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
334 | hdev->name, urb, -err); |
335 | usb_unanchor_urb(urb); | |
5e23b923 MH |
336 | } |
337 | ||
338 | usb_free_urb(urb); | |
339 | ||
340 | return err; | |
341 | } | |
342 | ||
343 | static void btusb_bulk_complete(struct urb *urb) | |
344 | { | |
345 | struct hci_dev *hdev = urb->context; | |
155961e8 | 346 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
347 | int err; |
348 | ||
349 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
350 | urb, urb->status, urb->actual_length); | |
351 | ||
352 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
353 | return; | |
354 | ||
355 | if (urb->status == 0) { | |
9bfa35fe MH |
356 | hdev->stat.byte_rx += urb->actual_length; |
357 | ||
5e23b923 MH |
358 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
359 | urb->transfer_buffer, | |
360 | urb->actual_length) < 0) { | |
361 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
362 | hdev->stat.err_rx++; | |
363 | } | |
364 | } | |
365 | ||
366 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
367 | return; | |
368 | ||
369 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 370 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
371 | |
372 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
373 | if (err < 0) { | |
4935f1c1 PB |
374 | /* -EPERM: urb is being killed; |
375 | * -ENODEV: device got disconnected */ | |
376 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 377 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
378 | hdev->name, urb, -err); |
379 | usb_unanchor_urb(urb); | |
380 | } | |
381 | } | |
382 | ||
2eda66f4 | 383 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 384 | { |
155961e8 | 385 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
386 | struct urb *urb; |
387 | unsigned char *buf; | |
388 | unsigned int pipe; | |
290ba200 | 389 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
390 | |
391 | BT_DBG("%s", hdev->name); | |
392 | ||
9bfa35fe MH |
393 | if (!data->bulk_rx_ep) |
394 | return -ENODEV; | |
395 | ||
2eda66f4 | 396 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
397 | if (!urb) |
398 | return -ENOMEM; | |
399 | ||
2eda66f4 | 400 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
401 | if (!buf) { |
402 | usb_free_urb(urb); | |
403 | return -ENOMEM; | |
404 | } | |
405 | ||
406 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
407 | ||
408 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
409 | buf, size, btusb_bulk_complete, hdev); | |
410 | ||
411 | urb->transfer_flags |= URB_FREE_BUFFER; | |
412 | ||
7bee549e | 413 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
414 | usb_anchor_urb(urb, &data->bulk_anchor); |
415 | ||
2eda66f4 | 416 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 417 | if (err < 0) { |
d4b8d1c9 PB |
418 | if (err != -EPERM && err != -ENODEV) |
419 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
420 | hdev->name, urb, -err); |
421 | usb_unanchor_urb(urb); | |
5e23b923 MH |
422 | } |
423 | ||
424 | usb_free_urb(urb); | |
425 | ||
426 | return err; | |
427 | } | |
428 | ||
9bfa35fe MH |
429 | static void btusb_isoc_complete(struct urb *urb) |
430 | { | |
431 | struct hci_dev *hdev = urb->context; | |
155961e8 | 432 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
433 | int i, err; |
434 | ||
435 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
436 | urb, urb->status, urb->actual_length); | |
437 | ||
438 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
439 | return; | |
440 | ||
441 | if (urb->status == 0) { | |
442 | for (i = 0; i < urb->number_of_packets; i++) { | |
443 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
444 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
445 | ||
446 | if (urb->iso_frame_desc[i].status) | |
447 | continue; | |
448 | ||
449 | hdev->stat.byte_rx += length; | |
450 | ||
451 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
452 | urb->transfer_buffer + offset, | |
453 | length) < 0) { | |
454 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
455 | hdev->stat.err_rx++; | |
456 | } | |
457 | } | |
458 | } | |
459 | ||
460 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
461 | return; | |
462 | ||
463 | usb_anchor_urb(urb, &data->isoc_anchor); | |
464 | ||
465 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
466 | if (err < 0) { | |
4935f1c1 PB |
467 | /* -EPERM: urb is being killed; |
468 | * -ENODEV: device got disconnected */ | |
469 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 470 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
471 | hdev->name, urb, -err); |
472 | usb_unanchor_urb(urb); | |
473 | } | |
474 | } | |
475 | ||
42b16b3f | 476 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
477 | { |
478 | int i, offset = 0; | |
479 | ||
480 | BT_DBG("len %d mtu %d", len, mtu); | |
481 | ||
482 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
483 | i++, offset += mtu, len -= mtu) { | |
484 | urb->iso_frame_desc[i].offset = offset; | |
485 | urb->iso_frame_desc[i].length = mtu; | |
486 | } | |
487 | ||
488 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
489 | urb->iso_frame_desc[i].offset = offset; | |
490 | urb->iso_frame_desc[i].length = len; | |
491 | i++; | |
492 | } | |
493 | ||
494 | urb->number_of_packets = i; | |
495 | } | |
496 | ||
2eda66f4 | 497 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 498 | { |
155961e8 | 499 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
500 | struct urb *urb; |
501 | unsigned char *buf; | |
502 | unsigned int pipe; | |
503 | int err, size; | |
504 | ||
505 | BT_DBG("%s", hdev->name); | |
506 | ||
507 | if (!data->isoc_rx_ep) | |
508 | return -ENODEV; | |
509 | ||
2eda66f4 | 510 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
511 | if (!urb) |
512 | return -ENOMEM; | |
513 | ||
514 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
515 | BTUSB_MAX_ISOC_FRAMES; | |
516 | ||
2eda66f4 | 517 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
518 | if (!buf) { |
519 | usb_free_urb(urb); | |
520 | return -ENOMEM; | |
521 | } | |
522 | ||
523 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
524 | ||
fa0fb93f BZ |
525 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
526 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
527 | |
528 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
529 | |
530 | __fill_isoc_descriptor(urb, size, | |
531 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
532 | ||
533 | usb_anchor_urb(urb, &data->isoc_anchor); | |
534 | ||
2eda66f4 | 535 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 536 | if (err < 0) { |
d4b8d1c9 PB |
537 | if (err != -EPERM && err != -ENODEV) |
538 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
539 | hdev->name, urb, -err); |
540 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
541 | } |
542 | ||
543 | usb_free_urb(urb); | |
544 | ||
545 | return err; | |
546 | } | |
547 | ||
5e23b923 | 548 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
549 | { |
550 | struct sk_buff *skb = urb->context; | |
551 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 552 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
553 | |
554 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
555 | urb, urb->status, urb->actual_length); | |
556 | ||
557 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
558 | goto done; | |
559 | ||
560 | if (!urb->status) | |
561 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
562 | else | |
563 | hdev->stat.err_tx++; | |
564 | ||
565 | done: | |
566 | spin_lock(&data->txlock); | |
567 | data->tx_in_flight--; | |
568 | spin_unlock(&data->txlock); | |
569 | ||
570 | kfree(urb->setup_packet); | |
571 | ||
572 | kfree_skb(skb); | |
573 | } | |
574 | ||
575 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
576 | { |
577 | struct sk_buff *skb = urb->context; | |
578 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
579 | ||
580 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
581 | urb, urb->status, urb->actual_length); | |
582 | ||
583 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
584 | goto done; | |
585 | ||
586 | if (!urb->status) | |
587 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
588 | else | |
589 | hdev->stat.err_tx++; | |
590 | ||
591 | done: | |
592 | kfree(urb->setup_packet); | |
593 | ||
594 | kfree_skb(skb); | |
595 | } | |
596 | ||
597 | static int btusb_open(struct hci_dev *hdev) | |
598 | { | |
155961e8 | 599 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
600 | int err; |
601 | ||
602 | BT_DBG("%s", hdev->name); | |
603 | ||
7bee549e ON |
604 | err = usb_autopm_get_interface(data->intf); |
605 | if (err < 0) | |
606 | return err; | |
607 | ||
608 | data->intf->needs_remote_wakeup = 1; | |
609 | ||
5e23b923 | 610 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 611 | goto done; |
5e23b923 MH |
612 | |
613 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 614 | goto done; |
5e23b923 | 615 | |
2eda66f4 | 616 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
617 | if (err < 0) |
618 | goto failed; | |
619 | ||
620 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 621 | if (err < 0) { |
43c2e57f MH |
622 | usb_kill_anchored_urbs(&data->intr_anchor); |
623 | goto failed; | |
5e23b923 MH |
624 | } |
625 | ||
43c2e57f MH |
626 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
627 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
628 | ||
7bee549e ON |
629 | done: |
630 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
631 | return 0; |
632 | ||
633 | failed: | |
634 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
635 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 636 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
637 | return err; |
638 | } | |
639 | ||
7bee549e ON |
640 | static void btusb_stop_traffic(struct btusb_data *data) |
641 | { | |
642 | usb_kill_anchored_urbs(&data->intr_anchor); | |
643 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
644 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
645 | } | |
646 | ||
5e23b923 MH |
647 | static int btusb_close(struct hci_dev *hdev) |
648 | { | |
155961e8 | 649 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 650 | int err; |
5e23b923 MH |
651 | |
652 | BT_DBG("%s", hdev->name); | |
653 | ||
654 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
655 | return 0; | |
656 | ||
e8c3c3d2 | 657 | cancel_work_sync(&data->work); |
404291ac | 658 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 659 | |
9bfa35fe | 660 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 661 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 662 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
663 | |
664 | btusb_stop_traffic(data); | |
665 | err = usb_autopm_get_interface(data->intf); | |
666 | if (err < 0) | |
7b8e2c1d | 667 | goto failed; |
7bee549e ON |
668 | |
669 | data->intf->needs_remote_wakeup = 0; | |
670 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 671 | |
7b8e2c1d ON |
672 | failed: |
673 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
674 | return 0; |
675 | } | |
676 | ||
677 | static int btusb_flush(struct hci_dev *hdev) | |
678 | { | |
155961e8 | 679 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
680 | |
681 | BT_DBG("%s", hdev->name); | |
682 | ||
683 | usb_kill_anchored_urbs(&data->tx_anchor); | |
684 | ||
685 | return 0; | |
686 | } | |
687 | ||
688 | static int btusb_send_frame(struct sk_buff *skb) | |
689 | { | |
690 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 691 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
692 | struct usb_ctrlrequest *dr; |
693 | struct urb *urb; | |
694 | unsigned int pipe; | |
695 | int err; | |
696 | ||
697 | BT_DBG("%s", hdev->name); | |
698 | ||
699 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
700 | return -EBUSY; | |
701 | ||
702 | switch (bt_cb(skb)->pkt_type) { | |
703 | case HCI_COMMAND_PKT: | |
704 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
705 | if (!urb) | |
706 | return -ENOMEM; | |
707 | ||
708 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
709 | if (!dr) { | |
710 | usb_free_urb(urb); | |
711 | return -ENOMEM; | |
712 | } | |
713 | ||
7a9d4020 | 714 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
715 | dr->bRequest = 0; |
716 | dr->wIndex = 0; | |
717 | dr->wValue = 0; | |
718 | dr->wLength = __cpu_to_le16(skb->len); | |
719 | ||
720 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
721 | ||
722 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
723 | skb->data, skb->len, btusb_tx_complete, skb); | |
724 | ||
725 | hdev->stat.cmd_tx++; | |
726 | break; | |
727 | ||
728 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 729 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
730 | return -ENODEV; |
731 | ||
5e23b923 MH |
732 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
733 | if (!urb) | |
734 | return -ENOMEM; | |
735 | ||
736 | pipe = usb_sndbulkpipe(data->udev, | |
737 | data->bulk_tx_ep->bEndpointAddress); | |
738 | ||
739 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
740 | skb->data, skb->len, btusb_tx_complete, skb); | |
741 | ||
742 | hdev->stat.acl_tx++; | |
743 | break; | |
744 | ||
745 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
746 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
747 | return -ENODEV; | |
748 | ||
749 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
750 | if (!urb) | |
751 | return -ENOMEM; | |
752 | ||
753 | pipe = usb_sndisocpipe(data->udev, | |
754 | data->isoc_tx_ep->bEndpointAddress); | |
755 | ||
03c2d0e8 GP |
756 | usb_fill_int_urb(urb, data->udev, pipe, |
757 | skb->data, skb->len, btusb_isoc_tx_complete, | |
758 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
759 | |
760 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
761 | |
762 | __fill_isoc_descriptor(urb, skb->len, | |
763 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
764 | ||
5e23b923 | 765 | hdev->stat.sco_tx++; |
7bee549e | 766 | goto skip_waking; |
5e23b923 MH |
767 | |
768 | default: | |
769 | return -EILSEQ; | |
770 | } | |
771 | ||
7bee549e ON |
772 | err = inc_tx(data); |
773 | if (err) { | |
774 | usb_anchor_urb(urb, &data->deferred); | |
775 | schedule_work(&data->waker); | |
776 | err = 0; | |
777 | goto done; | |
778 | } | |
779 | ||
780 | skip_waking: | |
5e23b923 MH |
781 | usb_anchor_urb(urb, &data->tx_anchor); |
782 | ||
783 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
784 | if (err < 0) { | |
5a9b80e2 PB |
785 | if (err != -EPERM && err != -ENODEV) |
786 | BT_ERR("%s urb %p submission failed (%d)", | |
787 | hdev->name, urb, -err); | |
5e23b923 MH |
788 | kfree(urb->setup_packet); |
789 | usb_unanchor_urb(urb); | |
7bee549e ON |
790 | } else { |
791 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
792 | } |
793 | ||
7bee549e | 794 | done: |
54a8a79c | 795 | usb_free_urb(urb); |
5e23b923 MH |
796 | return err; |
797 | } | |
798 | ||
5e23b923 MH |
799 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
800 | { | |
155961e8 | 801 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
802 | |
803 | BT_DBG("%s evt %d", hdev->name, evt); | |
804 | ||
43c2e57f MH |
805 | if (hdev->conn_hash.sco_num != data->sco_num) { |
806 | data->sco_num = hdev->conn_hash.sco_num; | |
807 | schedule_work(&data->work); | |
a780efa8 | 808 | } |
5e23b923 MH |
809 | } |
810 | ||
42b16b3f | 811 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 812 | { |
155961e8 | 813 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
814 | struct usb_interface *intf = data->isoc; |
815 | struct usb_endpoint_descriptor *ep_desc; | |
816 | int i, err; | |
817 | ||
818 | if (!data->isoc) | |
819 | return -ENODEV; | |
820 | ||
821 | err = usb_set_interface(data->udev, 1, altsetting); | |
822 | if (err < 0) { | |
823 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
824 | return err; | |
825 | } | |
826 | ||
827 | data->isoc_altsetting = altsetting; | |
828 | ||
829 | data->isoc_tx_ep = NULL; | |
830 | data->isoc_rx_ep = NULL; | |
831 | ||
832 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
833 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
834 | ||
835 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
836 | data->isoc_tx_ep = ep_desc; | |
837 | continue; | |
838 | } | |
839 | ||
840 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
841 | data->isoc_rx_ep = ep_desc; | |
842 | continue; | |
843 | } | |
844 | } | |
845 | ||
846 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
847 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
848 | return -ENODEV; | |
849 | } | |
850 | ||
851 | return 0; | |
852 | } | |
853 | ||
5e23b923 MH |
854 | static void btusb_work(struct work_struct *work) |
855 | { | |
856 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
857 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 858 | int new_alts; |
7bee549e | 859 | int err; |
5e23b923 | 860 | |
9bfa35fe | 861 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 862 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 863 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
864 | if (err < 0) { |
865 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
866 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
867 | return; | |
868 | } | |
869 | ||
08b8b6c4 | 870 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 871 | } |
f4001d28 MA |
872 | |
873 | if (hdev->voice_setting & 0x0020) { | |
874 | static const int alts[3] = { 2, 4, 5 }; | |
875 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
876 | } else { | |
877 | new_alts = hdev->conn_hash.sco_num; | |
878 | } | |
879 | ||
880 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
881 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
882 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
883 | ||
f4001d28 | 884 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
885 | return; |
886 | } | |
887 | ||
888 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 889 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
890 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
891 | else | |
2eda66f4 | 892 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
893 | } |
894 | } else { | |
895 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
896 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
897 | ||
898 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 899 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 900 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
901 | } |
902 | } | |
903 | ||
7bee549e ON |
904 | static void btusb_waker(struct work_struct *work) |
905 | { | |
906 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
907 | int err; | |
908 | ||
909 | err = usb_autopm_get_interface(data->intf); | |
910 | if (err < 0) | |
911 | return; | |
912 | ||
913 | usb_autopm_put_interface(data->intf); | |
914 | } | |
915 | ||
5e23b923 MH |
916 | static int btusb_probe(struct usb_interface *intf, |
917 | const struct usb_device_id *id) | |
918 | { | |
919 | struct usb_endpoint_descriptor *ep_desc; | |
920 | struct btusb_data *data; | |
921 | struct hci_dev *hdev; | |
922 | int i, err; | |
923 | ||
924 | BT_DBG("intf %p id %p", intf, id); | |
925 | ||
cfeb4145 | 926 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
927 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
928 | return -ENODEV; | |
929 | ||
930 | if (!id->driver_info) { | |
931 | const struct usb_device_id *match; | |
932 | match = usb_match_id(intf, blacklist_table); | |
933 | if (match) | |
934 | id = match; | |
935 | } | |
936 | ||
cfeb4145 MH |
937 | if (id->driver_info == BTUSB_IGNORE) |
938 | return -ENODEV; | |
939 | ||
940 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
941 | return -ENODEV; | |
942 | ||
943 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
944 | return -ENODEV; | |
945 | ||
946 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
947 | return -ENODEV; | |
948 | ||
2d25f8b4 SL |
949 | if (id->driver_info & BTUSB_ATH3012) { |
950 | struct usb_device *udev = interface_to_usbdev(intf); | |
951 | ||
952 | /* Old firmware would otherwise let ath3k driver load | |
953 | * patch and sysconfig files */ | |
954 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
955 | return -ENODEV; | |
956 | } | |
957 | ||
5e23b923 MH |
958 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
959 | if (!data) | |
960 | return -ENOMEM; | |
961 | ||
962 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
963 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
964 | ||
965 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
966 | data->intr_ep = ep_desc; | |
967 | continue; | |
968 | } | |
969 | ||
970 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
971 | data->bulk_tx_ep = ep_desc; | |
972 | continue; | |
973 | } | |
974 | ||
975 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
976 | data->bulk_rx_ep = ep_desc; | |
977 | continue; | |
978 | } | |
979 | } | |
980 | ||
981 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
982 | kfree(data); | |
983 | return -ENODEV; | |
984 | } | |
985 | ||
7a9d4020 MH |
986 | data->cmdreq_type = USB_TYPE_CLASS; |
987 | ||
5e23b923 | 988 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 989 | data->intf = intf; |
5e23b923 MH |
990 | |
991 | spin_lock_init(&data->lock); | |
992 | ||
993 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
994 | INIT_WORK(&data->waker, btusb_waker); |
995 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
996 | |
997 | init_usb_anchor(&data->tx_anchor); | |
998 | init_usb_anchor(&data->intr_anchor); | |
999 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1000 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1001 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1002 | |
1003 | hdev = hci_alloc_dev(); | |
1004 | if (!hdev) { | |
1005 | kfree(data); | |
1006 | return -ENOMEM; | |
1007 | } | |
1008 | ||
c13854ce | 1009 | hdev->bus = HCI_USB; |
155961e8 | 1010 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1011 | |
1012 | data->hdev = hdev; | |
1013 | ||
1014 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1015 | ||
1016 | hdev->open = btusb_open; | |
1017 | hdev->close = btusb_close; | |
1018 | hdev->flush = btusb_flush; | |
1019 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1020 | hdev->notify = btusb_notify; |
1021 | ||
7a9d4020 | 1022 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1023 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1024 | ||
7a9d4020 MH |
1025 | if (!reset) |
1026 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
cfeb4145 MH |
1027 | |
1028 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1029 | if (!disable_scofix) | |
1030 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1031 | } | |
1032 | ||
9bfa35fe MH |
1033 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1034 | data->isoc = NULL; | |
1035 | ||
7a9d4020 MH |
1036 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1037 | data->cmdreq_type = USB_TYPE_VENDOR; | |
1038 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1039 | } | |
1040 | ||
1041 | if (id->driver_info & BTUSB_CSR) { | |
1042 | struct usb_device *udev = data->udev; | |
1043 | ||
1044 | /* Old firmware would otherwise execute USB reset */ | |
1045 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
1046 | set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); | |
1047 | } | |
1048 | ||
cfeb4145 | 1049 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1050 | struct usb_device *udev = data->udev; |
cfeb4145 | 1051 | |
7a9d4020 | 1052 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1053 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1054 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1055 | |
1056 | data->isoc = NULL; | |
cfeb4145 MH |
1057 | } |
1058 | ||
1059 | if (id->driver_info & BTUSB_BCM92035) { | |
1060 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1061 | struct sk_buff *skb; | |
1062 | ||
1063 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1064 | if (skb) { | |
1065 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1066 | skb_queue_tail(&hdev->driver_init, skb); | |
1067 | } | |
1068 | } | |
5e23b923 | 1069 | |
9bfa35fe MH |
1070 | if (data->isoc) { |
1071 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1072 | data->isoc, data); |
9bfa35fe MH |
1073 | if (err < 0) { |
1074 | hci_free_dev(hdev); | |
1075 | kfree(data); | |
1076 | return err; | |
1077 | } | |
1078 | } | |
1079 | ||
5e23b923 MH |
1080 | err = hci_register_dev(hdev); |
1081 | if (err < 0) { | |
1082 | hci_free_dev(hdev); | |
1083 | kfree(data); | |
1084 | return err; | |
1085 | } | |
1086 | ||
1087 | usb_set_intfdata(intf, data); | |
1088 | ||
1089 | return 0; | |
1090 | } | |
1091 | ||
1092 | static void btusb_disconnect(struct usb_interface *intf) | |
1093 | { | |
1094 | struct btusb_data *data = usb_get_intfdata(intf); | |
1095 | struct hci_dev *hdev; | |
1096 | ||
1097 | BT_DBG("intf %p", intf); | |
1098 | ||
1099 | if (!data) | |
1100 | return; | |
1101 | ||
1102 | hdev = data->hdev; | |
5fbcd260 MH |
1103 | usb_set_intfdata(data->intf, NULL); |
1104 | ||
1105 | if (data->isoc) | |
1106 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1107 | |
1108 | hci_unregister_dev(hdev); | |
1109 | ||
5fbcd260 MH |
1110 | if (intf == data->isoc) |
1111 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1112 | else if (data->isoc) | |
1113 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1114 | ||
5e23b923 | 1115 | hci_free_dev(hdev); |
8381088e | 1116 | kfree(data); |
5e23b923 MH |
1117 | } |
1118 | ||
7bee549e | 1119 | #ifdef CONFIG_PM |
6a88adf2 MH |
1120 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1121 | { | |
1122 | struct btusb_data *data = usb_get_intfdata(intf); | |
1123 | ||
1124 | BT_DBG("intf %p", intf); | |
1125 | ||
1126 | if (data->suspend_count++) | |
1127 | return 0; | |
1128 | ||
7bee549e | 1129 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1130 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1131 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1132 | spin_unlock_irq(&data->txlock); | |
1133 | } else { | |
1134 | spin_unlock_irq(&data->txlock); | |
1135 | data->suspend_count--; | |
1136 | return -EBUSY; | |
1137 | } | |
1138 | ||
6a88adf2 MH |
1139 | cancel_work_sync(&data->work); |
1140 | ||
7bee549e | 1141 | btusb_stop_traffic(data); |
6a88adf2 MH |
1142 | usb_kill_anchored_urbs(&data->tx_anchor); |
1143 | ||
6a88adf2 MH |
1144 | return 0; |
1145 | } | |
1146 | ||
7bee549e ON |
1147 | static void play_deferred(struct btusb_data *data) |
1148 | { | |
1149 | struct urb *urb; | |
1150 | int err; | |
1151 | ||
1152 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1153 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1154 | if (err < 0) | |
1155 | break; | |
1156 | ||
1157 | data->tx_in_flight++; | |
1158 | } | |
1159 | usb_scuttle_anchored_urbs(&data->deferred); | |
1160 | } | |
1161 | ||
6a88adf2 MH |
1162 | static int btusb_resume(struct usb_interface *intf) |
1163 | { | |
1164 | struct btusb_data *data = usb_get_intfdata(intf); | |
1165 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1166 | int err = 0; |
6a88adf2 MH |
1167 | |
1168 | BT_DBG("intf %p", intf); | |
1169 | ||
1170 | if (--data->suspend_count) | |
1171 | return 0; | |
1172 | ||
1173 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1174 | goto done; |
6a88adf2 MH |
1175 | |
1176 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1177 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1178 | if (err < 0) { | |
1179 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1180 | goto failed; |
6a88adf2 MH |
1181 | } |
1182 | } | |
1183 | ||
1184 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1185 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1186 | if (err < 0) { | |
6a88adf2 | 1187 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1188 | goto failed; |
1189 | } | |
1190 | ||
1191 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1192 | } |
1193 | ||
1194 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1195 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1196 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1197 | else | |
1198 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1199 | } | |
1200 | ||
7bee549e ON |
1201 | spin_lock_irq(&data->txlock); |
1202 | play_deferred(data); | |
1203 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1204 | spin_unlock_irq(&data->txlock); | |
1205 | schedule_work(&data->work); | |
1206 | ||
6a88adf2 | 1207 | return 0; |
7bee549e ON |
1208 | |
1209 | failed: | |
1210 | usb_scuttle_anchored_urbs(&data->deferred); | |
1211 | done: | |
1212 | spin_lock_irq(&data->txlock); | |
1213 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1214 | spin_unlock_irq(&data->txlock); | |
1215 | ||
1216 | return err; | |
6a88adf2 | 1217 | } |
7bee549e | 1218 | #endif |
6a88adf2 | 1219 | |
5e23b923 MH |
1220 | static struct usb_driver btusb_driver = { |
1221 | .name = "btusb", | |
1222 | .probe = btusb_probe, | |
1223 | .disconnect = btusb_disconnect, | |
7bee549e | 1224 | #ifdef CONFIG_PM |
6a88adf2 MH |
1225 | .suspend = btusb_suspend, |
1226 | .resume = btusb_resume, | |
7bee549e | 1227 | #endif |
5e23b923 | 1228 | .id_table = btusb_table, |
7bee549e | 1229 | .supports_autosuspend = 1, |
5e23b923 MH |
1230 | }; |
1231 | ||
93f1508c | 1232 | module_usb_driver(btusb_driver); |
5e23b923 | 1233 | |
cfeb4145 MH |
1234 | module_param(ignore_dga, bool, 0644); |
1235 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1236 | ||
1237 | module_param(ignore_csr, bool, 0644); | |
1238 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1239 | ||
1240 | module_param(ignore_sniffer, bool, 0644); | |
1241 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1242 | ||
1243 | module_param(disable_scofix, bool, 0644); | |
1244 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1245 | ||
1246 | module_param(force_scofix, bool, 0644); | |
1247 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1248 | ||
1249 | module_param(reset, bool, 0644); | |
1250 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1251 | ||
5e23b923 MH |
1252 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1253 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1254 | MODULE_VERSION(VERSION); | |
1255 | MODULE_LICENSE("GPL"); |