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Bluetooth: Enable Atheros 0cf3:311e for firmware upload
[deliverable/linux.git] / drivers / bluetooth / btusb.c
CommitLineData
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
5e23b923 24#include <linux/module.h>
5e23b923 25#include <linux/usb.h>
dffd30ee 26#include <linux/firmware.h>
5e23b923
MH		 27
28#include <net/bluetooth/bluetooth.h>
29#include <net/bluetooth/hci_core.h>
30
7bee549e 31#define VERSION "0.6"
cfeb4145 32
90ab5ee9
RR		 33static bool ignore_dga;
34static bool ignore_csr;
35static bool ignore_sniffer;
36static bool disable_scofix;
37static bool force_scofix;
7a9d4020 38
90ab5ee9 39static bool reset = 1;
cfeb4145
MH		 40
41static struct usb_driver btusb_driver;
42
43#define BTUSB_IGNORE 0x01
7a9d4020
MH		 44#define BTUSB_DIGIANSWER 0x02
45#define BTUSB_CSR 0x04
46#define BTUSB_SNIFFER 0x08
47#define BTUSB_BCM92035 0x10
48#define BTUSB_BROKEN_ISOC 0x20
49#define BTUSB_WRONG_SCO_MTU 0x40
2d25f8b4 50#define BTUSB_ATH3012 0x80
dffd30ee 51#define BTUSB_INTEL 0x100
5e23b923 52
54265202 53static const struct usb_device_id btusb_table[] = {
5e23b923
MH		 54 /* Generic Bluetooth USB device */
55 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
56
1fa6535f
HR		 57 /* Apple-specific (Broadcom) devices */
58 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
59
178c059e
CYC		 60 /* MediaTek MT76x0E */
61 { USB_DEVICE(0x0e8d, 0x763f) },
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 */
1ee3ff61 104 { USB_DEVICE(0x0b05, 0x17b5) },
38a172be 105 { USB_DEVICE(0x0b05, 0x17cb) },
0c1abbd1 106 { USB_DEVICE(0x04ca, 0x2003) },
79cd7602 107 { USB_DEVICE(0x0489, 0xe042) },
d13431ca
WJS		 108 { USB_DEVICE(0x413c, 0x8197) },
109
98514036 110 /* Foxconn - Hon Hai */
ee66401b 111 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
98514036 112
92c385f4
GP		 113 /*Broadcom devices with vendor specific id */
114 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
115
5bcecf32
KB		 116 /* Belkin F8065bf - Broadcom based */
117 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) },
118
5e23b923
MH		 119 { } /* Terminating entry */
120};
121
122MODULE_DEVICE_TABLE(usb, btusb_table);
123
54265202 124static const struct usb_device_id blacklist_table[] = {
cfeb4145
MH		 125 /* CSR BlueCore devices */
126 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
127
128 /* Broadcom BCM2033 without firmware */
129 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
130
be93112a
BS		 131 /* Atheros 3011 with sflash firmware */
132 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
6eda541d 133 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
2a7bcccc 134 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
8e7c3d2e 135 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
6b6ba88b 136 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
acd94544 137 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
be93112a 138
509e7861
CYC		 139 /* Atheros AR9285 Malbec with sflash firmware */
140 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
141
d9f51b51 142 /* Atheros 3012 with sflash firmware */
d66629c1 143 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
2d25f8b4 144 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10 145 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87 146 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
b131237c 147 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
ebaf5795 148 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
9498ba7a 149 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
3f63c340 150 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
55ed7d4d 151 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
2c262b2a 152 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
f4d6f7dc 153 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
bd0fca1b 154 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
87522a43 155 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
ac71311e 156 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc 157 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
6c4ae5c2 158 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
bd0976dd 159 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
2096ae6c 160 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
eed307e2 161 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
3a61eda8 162 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
2582d529 163 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
0fc110f4 164 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
84eb2ae1 165 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
5b77a1f3 166 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
1ebd0b21 167 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
1d5b569e 168 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
35580d22 169 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
d9f51b51 170
e9036e33
CYC		 171 /* Atheros AR5BBU12 with sflash firmware */
172 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
173
85d59726
MG		 174 /* Atheros AR5BBU12 with sflash firmware */
175 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
bc21fde2 176 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
85d59726 177
cfeb4145 178 /* Broadcom BCM2035 */
7a9d4020
MH		 179 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
180 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
181 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
cfeb4145
MH		 182
183 /* Broadcom BCM2045 */
7a9d4020
MH		 184 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
185 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 186
cfeb4145 187 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 188 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
189 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 190
191 /* HP laptop with Broadcom chip */
7a9d4020 192 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 193
194 /* Dell laptop with Broadcom chip */
7a9d4020 195 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 196
5ddd4a60 197 /* Dell Wireless 370 and 410 devices */
7a9d4020 198 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 199 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 200
7a9d4020
MH		 201 /* Belkin F8T012 and F8T013 devices */
202 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
203 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 204
5ddd4a60
MH		 205 /* Asus WL-BTD202 device */
206 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
207
208 /* Kensington Bluetooth USB adapter */
209 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
210
cfeb4145
MH		 211 /* RTX Telecom based adapters with buggy SCO support */
212 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
213 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
214
215 /* CONWISE Technology based adapters with buggy SCO support */
216 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
217
cfeb4145
MH		 218 /* Digianswer devices */
219 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
220 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
221
222 /* CSR BlueCore Bluetooth Sniffer */
223 { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
224
225 /* Frontline ComProbe Bluetooth Sniffer */
226 { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
227
dffd30ee
THJA		 228 /* Intel Bluetooth device */
229 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
ef4e5e4a 230 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
dffd30ee 231
5e23b923
MH		 232 { } /* Terminating entry */
233};
234
9bfa35fe
MH		 235#define BTUSB_MAX_ISOC_FRAMES 10
236
5e23b923
MH		 237#define BTUSB_INTR_RUNNING 0
238#define BTUSB_BULK_RUNNING 1
9bfa35fe 239#define BTUSB_ISOC_RUNNING 2
7bee549e 240#define BTUSB_SUSPENDING 3
08b8b6c4 241#define BTUSB_DID_ISO_RESUME 4
5e23b923
MH		 242
243struct btusb_data {
244 struct hci_dev *hdev;
245 struct usb_device *udev;
5fbcd260 246 struct usb_interface *intf;
9bfa35fe 247 struct usb_interface *isoc;
5e23b923
MH		 248
249 spinlock_t lock;
250
251 unsigned long flags;
252
253 struct work_struct work;
7bee549e 254 struct work_struct waker;
5e23b923
MH		 255
256 struct usb_anchor tx_anchor;
257 struct usb_anchor intr_anchor;
258 struct usb_anchor bulk_anchor;
9bfa35fe 259 struct usb_anchor isoc_anchor;
7bee549e
ON		 260 struct usb_anchor deferred;
261 int tx_in_flight;
262 spinlock_t txlock;
5e23b923
MH		 263
264 struct usb_endpoint_descriptor *intr_ep;
265 struct usb_endpoint_descriptor *bulk_tx_ep;
266 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 267 struct usb_endpoint_descriptor *isoc_tx_ep;
268 struct usb_endpoint_descriptor *isoc_rx_ep;
269
7a9d4020
MH		 270 __u8 cmdreq_type;
271
43c2e57f 272 unsigned int sco_num;
9bfa35fe 273 int isoc_altsetting;
6a88adf2 274 int suspend_count;
5e23b923
MH		 275};
276
7bee549e
ON		 277static int inc_tx(struct btusb_data *data)
278{
279 unsigned long flags;
280 int rv;
281
282 spin_lock_irqsave(&data->txlock, flags);
283 rv = test_bit(BTUSB_SUSPENDING, &data->flags);
284 if (!rv)
285 data->tx_in_flight++;
286 spin_unlock_irqrestore(&data->txlock, flags);
287
288 return rv;
289}
290
5e23b923
MH		 291static void btusb_intr_complete(struct urb *urb)
292{
293 struct hci_dev *hdev = urb->context;
155961e8 294 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 295 int err;
296
297 BT_DBG("%s urb %p status %d count %d", hdev->name,
298 urb, urb->status, urb->actual_length);
299
300 if (!test_bit(HCI_RUNNING, &hdev->flags))
301 return;
302
303 if (urb->status == 0) {
9bfa35fe
MH		 304 hdev->stat.byte_rx += urb->actual_length;
305
5e23b923
MH		 306 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
307 urb->transfer_buffer,
308 urb->actual_length) < 0) {
309 BT_ERR("%s corrupted event packet", hdev->name);
310 hdev->stat.err_rx++;
311 }
312 }
313
314 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
315 return;
316
7bee549e 317 usb_mark_last_busy(data->udev);
5e23b923
MH		 318 usb_anchor_urb(urb, &data->intr_anchor);
319
320 err = usb_submit_urb(urb, GFP_ATOMIC);
321 if (err < 0) {
4935f1c1
PB		 322 /* -EPERM: urb is being killed;
323 * -ENODEV: device got disconnected */
324 if (err != -EPERM && err != -ENODEV)
61faddf6 325 BT_ERR("%s urb %p failed to resubmit (%d)",
5e23b923
MH		 326 hdev->name, urb, -err);
327 usb_unanchor_urb(urb);
328 }
329}
330
2eda66f4 331static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 332{
155961e8 333 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 334 struct urb *urb;
335 unsigned char *buf;
336 unsigned int pipe;
337 int err, size;
338
339 BT_DBG("%s", hdev->name);
340
9bfa35fe
MH		 341 if (!data->intr_ep)
342 return -ENODEV;
343
2eda66f4 344 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 345 if (!urb)
346 return -ENOMEM;
347
348 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
349
2eda66f4 350 buf = kmalloc(size, mem_flags);
5e23b923
MH		 351 if (!buf) {
352 usb_free_urb(urb);
353 return -ENOMEM;
354 }
355
356 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
357
358 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
359 btusb_intr_complete, hdev,
360 data->intr_ep->bInterval);
361
362 urb->transfer_flags |= URB_FREE_BUFFER;
363
364 usb_anchor_urb(urb, &data->intr_anchor);
365
2eda66f4 366 err = usb_submit_urb(urb, mem_flags);
5e23b923 367 if (err < 0) {
d4b8d1c9
PB		 368 if (err != -EPERM && err != -ENODEV)
369 BT_ERR("%s urb %p submission failed (%d)",
5e23b923
MH		 370 hdev->name, urb, -err);
371 usb_unanchor_urb(urb);
5e23b923
MH		 372 }
373
374 usb_free_urb(urb);
375
376 return err;
377}
378
379static void btusb_bulk_complete(struct urb *urb)
380{
381 struct hci_dev *hdev = urb->context;
155961e8 382 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 383 int err;
384
385 BT_DBG("%s urb %p status %d count %d", hdev->name,
386 urb, urb->status, urb->actual_length);
387
388 if (!test_bit(HCI_RUNNING, &hdev->flags))
389 return;
390
391 if (urb->status == 0) {
9bfa35fe
MH		 392 hdev->stat.byte_rx += urb->actual_length;
393
5e23b923
MH		 394 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
395 urb->transfer_buffer,
396 urb->actual_length) < 0) {
397 BT_ERR("%s corrupted ACL packet", hdev->name);
398 hdev->stat.err_rx++;
399 }
400 }
401
402 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
403 return;
404
405 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 406 usb_mark_last_busy(data->udev);
5e23b923
MH		 407
408 err = usb_submit_urb(urb, GFP_ATOMIC);
409 if (err < 0) {
4935f1c1
PB		 410 /* -EPERM: urb is being killed;
411 * -ENODEV: device got disconnected */
412 if (err != -EPERM && err != -ENODEV)
61faddf6 413 BT_ERR("%s urb %p failed to resubmit (%d)",
5e23b923
MH		 414 hdev->name, urb, -err);
415 usb_unanchor_urb(urb);
416 }
417}
418
2eda66f4 419static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 420{
155961e8 421 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 422 struct urb *urb;
423 unsigned char *buf;
424 unsigned int pipe;
290ba200 425 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 426
427 BT_DBG("%s", hdev->name);
428
9bfa35fe
MH		 429 if (!data->bulk_rx_ep)
430 return -ENODEV;
431
2eda66f4 432 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 433 if (!urb)
434 return -ENOMEM;
435
2eda66f4 436 buf = kmalloc(size, mem_flags);
5e23b923
MH		 437 if (!buf) {
438 usb_free_urb(urb);
439 return -ENOMEM;
440 }
441
442 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
443
444 usb_fill_bulk_urb(urb, data->udev, pipe,
445 buf, size, btusb_bulk_complete, hdev);
446
447 urb->transfer_flags |= URB_FREE_BUFFER;
448
7bee549e 449 usb_mark_last_busy(data->udev);
5e23b923
MH		 450 usb_anchor_urb(urb, &data->bulk_anchor);
451
2eda66f4 452 err = usb_submit_urb(urb, mem_flags);
5e23b923 453 if (err < 0) {
d4b8d1c9
PB		 454 if (err != -EPERM && err != -ENODEV)
455 BT_ERR("%s urb %p submission failed (%d)",
5e23b923
MH		 456 hdev->name, urb, -err);
457 usb_unanchor_urb(urb);
5e23b923
MH		 458 }
459
460 usb_free_urb(urb);
461
462 return err;
463}
464
9bfa35fe
MH		 465static void btusb_isoc_complete(struct urb *urb)
466{
467 struct hci_dev *hdev = urb->context;
155961e8 468 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 469 int i, err;
470
471 BT_DBG("%s urb %p status %d count %d", hdev->name,
472 urb, urb->status, urb->actual_length);
473
474 if (!test_bit(HCI_RUNNING, &hdev->flags))
475 return;
476
477 if (urb->status == 0) {
478 for (i = 0; i < urb->number_of_packets; i++) {
479 unsigned int offset = urb->iso_frame_desc[i].offset;
480 unsigned int length = urb->iso_frame_desc[i].actual_length;
481
482 if (urb->iso_frame_desc[i].status)
483 continue;
484
485 hdev->stat.byte_rx += length;
486
487 if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
488 urb->transfer_buffer + offset,
489 length) < 0) {
490 BT_ERR("%s corrupted SCO packet", hdev->name);
491 hdev->stat.err_rx++;
492 }
493 }
494 }
495
496 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
497 return;
498
499 usb_anchor_urb(urb, &data->isoc_anchor);
500
501 err = usb_submit_urb(urb, GFP_ATOMIC);
502 if (err < 0) {
4935f1c1
PB		 503 /* -EPERM: urb is being killed;
504 * -ENODEV: device got disconnected */
505 if (err != -EPERM && err != -ENODEV)
61faddf6 506 BT_ERR("%s urb %p failed to resubmit (%d)",
9bfa35fe
MH		 507 hdev->name, urb, -err);
508 usb_unanchor_urb(urb);
509 }
510}
511
42b16b3f 512static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 513{
514 int i, offset = 0;
515
516 BT_DBG("len %d mtu %d", len, mtu);
517
518 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
519 i++, offset += mtu, len -= mtu) {
520 urb->iso_frame_desc[i].offset = offset;
521 urb->iso_frame_desc[i].length = mtu;
522 }
523
524 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
525 urb->iso_frame_desc[i].offset = offset;
526 urb->iso_frame_desc[i].length = len;
527 i++;
528 }
529
530 urb->number_of_packets = i;
531}
532
2eda66f4 533static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe 534{
155961e8 535 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 536 struct urb *urb;
537 unsigned char *buf;
538 unsigned int pipe;
539 int err, size;
540
541 BT_DBG("%s", hdev->name);
542
543 if (!data->isoc_rx_ep)
544 return -ENODEV;
545
2eda66f4 546 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 547 if (!urb)
548 return -ENOMEM;
549
550 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
551 BTUSB_MAX_ISOC_FRAMES;
552
2eda66f4 553 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 554 if (!buf) {
555 usb_free_urb(urb);
556 return -ENOMEM;
557 }
558
559 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
560
fa0fb93f
BZ		 561 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
562 hdev, data->isoc_rx_ep->bInterval);
9bfa35fe
MH		 563
564 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
9bfa35fe
MH		 565
566 __fill_isoc_descriptor(urb, size,
567 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
568
569 usb_anchor_urb(urb, &data->isoc_anchor);
570
2eda66f4 571 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 572 if (err < 0) {
d4b8d1c9
PB		 573 if (err != -EPERM && err != -ENODEV)
574 BT_ERR("%s urb %p submission failed (%d)",
9bfa35fe
MH		 575 hdev->name, urb, -err);
576 usb_unanchor_urb(urb);
9bfa35fe
MH		 577 }
578
579 usb_free_urb(urb);
580
581 return err;
582}
583
5e23b923 584static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 585{
586 struct sk_buff *skb = urb->context;
587 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
155961e8 588 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e
ON		 589
590 BT_DBG("%s urb %p status %d count %d", hdev->name,
591 urb, urb->status, urb->actual_length);
592
593 if (!test_bit(HCI_RUNNING, &hdev->flags))
594 goto done;
595
596 if (!urb->status)
597 hdev->stat.byte_tx += urb->transfer_buffer_length;
598 else
599 hdev->stat.err_tx++;
600
601done:
602 spin_lock(&data->txlock);
603 data->tx_in_flight--;
604 spin_unlock(&data->txlock);
605
606 kfree(urb->setup_packet);
607
608 kfree_skb(skb);
609}
610
611static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 612{
613 struct sk_buff *skb = urb->context;
614 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
615
616 BT_DBG("%s urb %p status %d count %d", hdev->name,
617 urb, urb->status, urb->actual_length);
618
619 if (!test_bit(HCI_RUNNING, &hdev->flags))
620 goto done;
621
622 if (!urb->status)
623 hdev->stat.byte_tx += urb->transfer_buffer_length;
624 else
625 hdev->stat.err_tx++;
626
627done:
628 kfree(urb->setup_packet);
629
630 kfree_skb(skb);
631}
632
633static int btusb_open(struct hci_dev *hdev)
634{
155961e8 635 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 636 int err;
637
638 BT_DBG("%s", hdev->name);
639
7bee549e
ON		 640 err = usb_autopm_get_interface(data->intf);
641 if (err < 0)
642 return err;
643
644 data->intf->needs_remote_wakeup = 1;
645
5e23b923 646 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
7bee549e 647 goto done;
5e23b923
MH		 648
649 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 650 goto done;
5e23b923 651
2eda66f4 652 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 653 if (err < 0)
654 goto failed;
655
656 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 657 if (err < 0) {
43c2e57f
MH		 658 usb_kill_anchored_urbs(&data->intr_anchor);
659 goto failed;
5e23b923
MH		 660 }
661
43c2e57f
MH		 662 set_bit(BTUSB_BULK_RUNNING, &data->flags);
663 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
664
7bee549e
ON		 665done:
666 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 667 return 0;
668
669failed:
670 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
671 clear_bit(HCI_RUNNING, &hdev->flags);
7bee549e 672 usb_autopm_put_interface(data->intf);
5e23b923
MH		 673 return err;
674}
675
7bee549e
ON		 676static void btusb_stop_traffic(struct btusb_data *data)
677{
678 usb_kill_anchored_urbs(&data->intr_anchor);
679 usb_kill_anchored_urbs(&data->bulk_anchor);
680 usb_kill_anchored_urbs(&data->isoc_anchor);
681}
682
5e23b923
MH		 683static int btusb_close(struct hci_dev *hdev)
684{
155961e8 685 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 686 int err;
5e23b923
MH		 687
688 BT_DBG("%s", hdev->name);
689
690 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
691 return 0;
692
e8c3c3d2 693 cancel_work_sync(&data->work);
404291ac 694 cancel_work_sync(&data->waker);
e8c3c3d2 695
9bfa35fe 696 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 697 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 698 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e
ON		 699
700 btusb_stop_traffic(data);
701 err = usb_autopm_get_interface(data->intf);
702 if (err < 0)
7b8e2c1d 703 goto failed;
7bee549e
ON		 704
705 data->intf->needs_remote_wakeup = 0;
706 usb_autopm_put_interface(data->intf);
5e23b923 707
7b8e2c1d
ON		 708failed:
709 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 710 return 0;
711}
712
713static int btusb_flush(struct hci_dev *hdev)
714{
155961e8 715 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 716
717 BT_DBG("%s", hdev->name);
718
719 usb_kill_anchored_urbs(&data->tx_anchor);
720
721 return 0;
722}
723
7bd8f09f 724static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
5e23b923 725{
155961e8 726 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 727 struct usb_ctrlrequest *dr;
728 struct urb *urb;
729 unsigned int pipe;
730 int err;
731
732 BT_DBG("%s", hdev->name);
733
734 if (!test_bit(HCI_RUNNING, &hdev->flags))
735 return -EBUSY;
736
7bd8f09f
MH		 737 skb->dev = (void *) hdev;
738
5e23b923
MH		 739 switch (bt_cb(skb)->pkt_type) {
740 case HCI_COMMAND_PKT:
741 urb = usb_alloc_urb(0, GFP_ATOMIC);
742 if (!urb)
743 return -ENOMEM;
744
745 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
746 if (!dr) {
747 usb_free_urb(urb);
748 return -ENOMEM;
749 }
750
7a9d4020 751 dr->bRequestType = data->cmdreq_type;
5e23b923
MH		 752 dr->bRequest = 0;
753 dr->wIndex = 0;
754 dr->wValue = 0;
755 dr->wLength = __cpu_to_le16(skb->len);
756
757 pipe = usb_sndctrlpipe(data->udev, 0x00);
758
759 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
760 skb->data, skb->len, btusb_tx_complete, skb);
761
762 hdev->stat.cmd_tx++;
763 break;
764
765 case HCI_ACLDATA_PKT:
9fd481e0 766 if (!data->bulk_tx_ep)
9bfa35fe
MH		 767 return -ENODEV;
768
5e23b923
MH		 769 urb = usb_alloc_urb(0, GFP_ATOMIC);
770 if (!urb)
771 return -ENOMEM;
772
773 pipe = usb_sndbulkpipe(data->udev,
774 data->bulk_tx_ep->bEndpointAddress);
775
776 usb_fill_bulk_urb(urb, data->udev, pipe,
777 skb->data, skb->len, btusb_tx_complete, skb);
778
779 hdev->stat.acl_tx++;
780 break;
781
782 case HCI_SCODATA_PKT:
014f7bc7 783 if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1)
9bfa35fe
MH		 784 return -ENODEV;
785
786 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
787 if (!urb)
788 return -ENOMEM;
789
790 pipe = usb_sndisocpipe(data->udev,
791 data->isoc_tx_ep->bEndpointAddress);
792
03c2d0e8
GP		 793 usb_fill_int_urb(urb, data->udev, pipe,
794 skb->data, skb->len, btusb_isoc_tx_complete,
795 skb, data->isoc_tx_ep->bInterval);
9bfa35fe
MH		 796
797 urb->transfer_flags = URB_ISO_ASAP;
9bfa35fe
MH		 798
799 __fill_isoc_descriptor(urb, skb->len,
800 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
801
5e23b923 802 hdev->stat.sco_tx++;
7bee549e 803 goto skip_waking;
5e23b923
MH		 804
805 default:
806 return -EILSEQ;
807 }
808
7bee549e
ON		 809 err = inc_tx(data);
810 if (err) {
811 usb_anchor_urb(urb, &data->deferred);
812 schedule_work(&data->waker);
813 err = 0;
814 goto done;
815 }
816
817skip_waking:
5e23b923
MH		 818 usb_anchor_urb(urb, &data->tx_anchor);
819
820 err = usb_submit_urb(urb, GFP_ATOMIC);
821 if (err < 0) {
5a9b80e2
PB		 822 if (err != -EPERM && err != -ENODEV)
823 BT_ERR("%s urb %p submission failed (%d)",
824 hdev->name, urb, -err);
5e23b923
MH		 825 kfree(urb->setup_packet);
826 usb_unanchor_urb(urb);
7bee549e
ON		 827 } else {
828 usb_mark_last_busy(data->udev);
5e23b923
MH		 829 }
830
7bee549e 831done:
54a8a79c 832 usb_free_urb(urb);
5e23b923
MH		 833 return err;
834}
835
5e23b923
MH		 836static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
837{
155961e8 838 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 839
840 BT_DBG("%s evt %d", hdev->name, evt);
841
014f7bc7
MH		 842 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
843 data->sco_num = hci_conn_num(hdev, SCO_LINK);
43c2e57f 844 schedule_work(&data->work);
a780efa8 845 }
5e23b923
MH		 846}
847
42b16b3f 848static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe 849{
155961e8 850 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 851 struct usb_interface *intf = data->isoc;
852 struct usb_endpoint_descriptor *ep_desc;
853 int i, err;
854
855 if (!data->isoc)
856 return -ENODEV;
857
858 err = usb_set_interface(data->udev, 1, altsetting);
859 if (err < 0) {
860 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
861 return err;
862 }
863
864 data->isoc_altsetting = altsetting;
865
866 data->isoc_tx_ep = NULL;
867 data->isoc_rx_ep = NULL;
868
869 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
870 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
871
872 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
873 data->isoc_tx_ep = ep_desc;
874 continue;
875 }
876
877 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
878 data->isoc_rx_ep = ep_desc;
879 continue;
880 }
881 }
882
883 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
884 BT_ERR("%s invalid SCO descriptors", hdev->name);
885 return -ENODEV;
886 }
887
888 return 0;
889}
890
5e23b923
MH		 891static void btusb_work(struct work_struct *work)
892{
893 struct btusb_data *data = container_of(work, struct btusb_data, work);
894 struct hci_dev *hdev = data->hdev;
f4001d28 895 int new_alts;
7bee549e 896 int err;
5e23b923 897
014f7bc7 898 if (data->sco_num > 0) {
08b8b6c4 899 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 900 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 901 if (err < 0) {
902 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
903 usb_kill_anchored_urbs(&data->isoc_anchor);
904 return;
905 }
906
08b8b6c4 907 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 908 }
f4001d28
MA		 909
910 if (hdev->voice_setting & 0x0020) {
911 static const int alts[3] = { 2, 4, 5 };
014f7bc7 912 new_alts = alts[data->sco_num - 1];
f4001d28 913 } else {
014f7bc7 914 new_alts = data->sco_num;
f4001d28
MA		 915 }
916
917 if (data->isoc_altsetting != new_alts) {
9bfa35fe
MH		 918 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
919 usb_kill_anchored_urbs(&data->isoc_anchor);
920
f4001d28 921 if (__set_isoc_interface(hdev, new_alts) < 0)
9bfa35fe
MH		 922 return;
923 }
924
925 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 926 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 927 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
928 else
2eda66f4 929 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 930 }
931 } else {
932 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
933 usb_kill_anchored_urbs(&data->isoc_anchor);
934
935 __set_isoc_interface(hdev, 0);
08b8b6c4 936 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 937 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 938 }
939}
940
7bee549e
ON		 941static void btusb_waker(struct work_struct *work)
942{
943 struct btusb_data *data = container_of(work, struct btusb_data, waker);
944 int err;
945
946 err = usb_autopm_get_interface(data->intf);
947 if (err < 0)
948 return;
949
950 usb_autopm_put_interface(data->intf);
951}
952
9f8f962c
MH		 953static int btusb_setup_bcm92035(struct hci_dev *hdev)
954{
955 struct sk_buff *skb;
956 u8 val = 0x00;
957
958 BT_DBG("%s", hdev->name);
959
960 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
961 if (IS_ERR(skb))
962 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
963 else
964 kfree_skb(skb);
965
966 return 0;
967}
968
81cac64b
MH		 969static int btusb_setup_csr(struct hci_dev *hdev)
970{
971 struct hci_rp_read_local_version *rp;
972 struct sk_buff *skb;
973 int ret;
974
975 BT_DBG("%s", hdev->name);
976
977 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
978 HCI_INIT_TIMEOUT);
979 if (IS_ERR(skb)) {
980 BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb));
981 return -PTR_ERR(skb);
982 }
983
984 rp = (struct hci_rp_read_local_version *) skb->data;
985
986 if (!rp->status) {
987 if (le16_to_cpu(rp->manufacturer) != 10) {
988 /* Clear the reset quirk since this is not an actual
989 * early Bluetooth 1.1 device from CSR.
990 */
991 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
992
993 /* These fake CSR controllers have all a broken
994 * stored link key handling and so just disable it.
995 */
996 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY,
997 &hdev->quirks);
998 }
999 }
1000
1001 ret = -bt_to_errno(rp->status);
1002
1003 kfree_skb(skb);
1004
1005 return ret;
1006}
1007
dffd30ee
THJA		 1008struct intel_version {
1009 u8 status;
1010 u8 hw_platform;
1011 u8 hw_variant;
1012 u8 hw_revision;
1013 u8 fw_variant;
1014 u8 fw_revision;
1015 u8 fw_build_num;
1016 u8 fw_build_ww;
1017 u8 fw_build_yy;
1018 u8 fw_patch_num;
1019} __packed;
1020
1021static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
1022 struct intel_version *ver)
1023{
1024 const struct firmware *fw;
1025 char fwname[64];
1026 int ret;
1027
1028 snprintf(fwname, sizeof(fwname),
1029 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1030 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1031 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1032 ver->fw_build_ww, ver->fw_build_yy);
1033
1034 ret = request_firmware(&fw, fwname, &hdev->dev);
1035 if (ret < 0) {
1036 if (ret == -EINVAL) {
1037 BT_ERR("%s Intel firmware file request failed (%d)",
1038 hdev->name, ret);
1039 return NULL;
1040 }
1041
1042 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1043 hdev->name, fwname, ret);
1044
1045 /* If the correct firmware patch file is not found, use the
1046 * default firmware patch file instead
1047 */
1048 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1049 ver->hw_platform, ver->hw_variant);
1050 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1051 BT_ERR("%s failed to open default Intel fw file: %s",
1052 hdev->name, fwname);
1053 return NULL;
1054 }
1055 }
1056
1057 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1058
1059 return fw;
1060}
1061
1062static int btusb_setup_intel_patching(struct hci_dev *hdev,
1063 const struct firmware *fw,
1064 const u8 **fw_ptr, int *disable_patch)
1065{
1066 struct sk_buff *skb;
1067 struct hci_command_hdr *cmd;
1068 const u8 *cmd_param;
1069 struct hci_event_hdr *evt = NULL;
1070 const u8 *evt_param = NULL;
1071 int remain = fw->size - (*fw_ptr - fw->data);
1072
1073 /* The first byte indicates the types of the patch command or event.
1074 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1075 * in the current firmware buffer doesn't start with 0x01 or
1076 * the size of remain buffer is smaller than HCI command header,
1077 * the firmware file is corrupted and it should stop the patching
1078 * process.
1079 */
1080 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1081 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1082 return -EINVAL;
1083 }
1084 (*fw_ptr)++;
1085 remain--;
1086
1087 cmd = (struct hci_command_hdr *)(*fw_ptr);
1088 *fw_ptr += sizeof(*cmd);
1089 remain -= sizeof(*cmd);
1090
1091 /* Ensure that the remain firmware data is long enough than the length
1092 * of command parameter. If not, the firmware file is corrupted.
1093 */
1094 if (remain < cmd->plen) {
1095 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1096 return -EFAULT;
1097 }
1098
1099 /* If there is a command that loads a patch in the firmware
1100 * file, then enable the patch upon success, otherwise just
1101 * disable the manufacturer mode, for example patch activation
1102 * is not required when the default firmware patch file is used
1103 * because there are no patch data to load.
1104 */
1105 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1106 *disable_patch = 0;
1107
1108 cmd_param = *fw_ptr;
1109 *fw_ptr += cmd->plen;
1110 remain -= cmd->plen;
1111
1112 /* This reads the expected events when the above command is sent to the
1113 * device. Some vendor commands expects more than one events, for
1114 * example command status event followed by vendor specific event.
1115 * For this case, it only keeps the last expected event. so the command
1116 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1117 * last expected event.
1118 */
1119 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1120 (*fw_ptr)++;
1121 remain--;
1122
1123 evt = (struct hci_event_hdr *)(*fw_ptr);
1124 *fw_ptr += sizeof(*evt);
1125 remain -= sizeof(*evt);
1126
1127 if (remain < evt->plen) {
1128 BT_ERR("%s Intel fw corrupted: invalid evt len",
1129 hdev->name);
1130 return -EFAULT;
1131 }
1132
1133 evt_param = *fw_ptr;
1134 *fw_ptr += evt->plen;
1135 remain -= evt->plen;
1136 }
1137
1138 /* Every HCI commands in the firmware file has its correspond event.
1139 * If event is not found or remain is smaller than zero, the firmware
1140 * file is corrupted.
1141 */
1142 if (!evt || !evt_param || remain < 0) {
1143 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1144 return -EFAULT;
1145 }
1146
1147 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1148 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1149 if (IS_ERR(skb)) {
1150 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1151 hdev->name, cmd->opcode, PTR_ERR(skb));
d9c78e97 1152 return PTR_ERR(skb);
dffd30ee
THJA		 1153 }
1154
1155 /* It ensures that the returned event matches the event data read from
1156 * the firmware file. At fist, it checks the length and then
1157 * the contents of the event.
1158 */
1159 if (skb->len != evt->plen) {
1160 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1161 le16_to_cpu(cmd->opcode));
1162 kfree_skb(skb);
1163 return -EFAULT;
1164 }
1165
1166 if (memcmp(skb->data, evt_param, evt->plen)) {
1167 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1168 hdev->name, le16_to_cpu(cmd->opcode));
1169 kfree_skb(skb);
1170 return -EFAULT;
1171 }
1172 kfree_skb(skb);
1173
1174 return 0;
1175}
1176
1177static int btusb_setup_intel(struct hci_dev *hdev)
1178{
1179 struct sk_buff *skb;
1180 const struct firmware *fw;
1181 const u8 *fw_ptr;
1182 int disable_patch;
1183 struct intel_version *ver;
1184
1185 const u8 mfg_enable[] = { 0x01, 0x00 };
1186 const u8 mfg_disable[] = { 0x00, 0x00 };
1187 const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
1188 const u8 mfg_reset_activate[] = { 0x00, 0x02 };
1189
1190 BT_DBG("%s", hdev->name);
1191
1192 /* The controller has a bug with the first HCI command sent to it
1193 * returning number of completed commands as zero. This would stall the
1194 * command processing in the Bluetooth core.
1195 *
1196 * As a workaround, send HCI Reset command first which will reset the
1197 * number of completed commands and allow normal command processing
1198 * from now on.
1199 */
1200 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1201 if (IS_ERR(skb)) {
1202 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1203 hdev->name, PTR_ERR(skb));
d9c78e97 1204 return PTR_ERR(skb);
dffd30ee
THJA		 1205 }
1206 kfree_skb(skb);
1207
1208 /* Read Intel specific controller version first to allow selection of
1209 * which firmware file to load.
1210 *
1211 * The returned information are hardware variant and revision plus
1212 * firmware variant, revision and build number.
1213 */
1214 skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
1215 if (IS_ERR(skb)) {
1216 BT_ERR("%s reading Intel fw version command failed (%ld)",
1217 hdev->name, PTR_ERR(skb));
d9c78e97 1218 return PTR_ERR(skb);
dffd30ee
THJA		 1219 }
1220
1221 if (skb->len != sizeof(*ver)) {
1222 BT_ERR("%s Intel version event length mismatch", hdev->name);
1223 kfree_skb(skb);
1224 return -EIO;
1225 }
1226
1227 ver = (struct intel_version *)skb->data;
1228 if (ver->status) {
1229 BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
1230 ver->status);
1231 kfree_skb(skb);
1232 return -bt_to_errno(ver->status);
1233 }
1234
1235 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1236 hdev->name, ver->hw_platform, ver->hw_variant,
1237 ver->hw_revision, ver->fw_variant, ver->fw_revision,
1238 ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy,
1239 ver->fw_patch_num);
1240
1241 /* fw_patch_num indicates the version of patch the device currently
1242 * have. If there is no patch data in the device, it is always 0x00.
1243 * So, if it is other than 0x00, no need to patch the deivce again.
1244 */
1245 if (ver->fw_patch_num) {
1246 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1247 hdev->name, ver->fw_patch_num);
1248 kfree_skb(skb);
1249 return 0;
1250 }
1251
1252 /* Opens the firmware patch file based on the firmware version read
1253 * from the controller. If it fails to open the matching firmware
1254 * patch file, it tries to open the default firmware patch file.
1255 * If no patch file is found, allow the device to operate without
1256 * a patch.
1257 */
1258 fw = btusb_setup_intel_get_fw(hdev, ver);
1259 if (!fw) {
1260 kfree_skb(skb);
1261 return 0;
1262 }
1263 fw_ptr = fw->data;
1264
1265 /* This Intel specific command enables the manufacturer mode of the
1266 * controller.
1267 *
1268 * Only while this mode is enabled, the driver can download the
1269 * firmware patch data and configuration parameters.
1270 */
1271 skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
1272 if (IS_ERR(skb)) {
1273 BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
1274 hdev->name, PTR_ERR(skb));
1275 release_firmware(fw);
d9c78e97 1276 return PTR_ERR(skb);
dffd30ee
THJA		 1277 }
1278
1279 if (skb->data[0]) {
1280 u8 evt_status = skb->data[0];
1281 BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
1282 hdev->name, evt_status);
1283 kfree_skb(skb);
1284 release_firmware(fw);
1285 return -bt_to_errno(evt_status);
1286 }
1287 kfree_skb(skb);
1288
1289 disable_patch = 1;
1290
1291 /* The firmware data file consists of list of Intel specific HCI
1292 * commands and its expected events. The first byte indicates the
1293 * type of the message, either HCI command or HCI event.
1294 *
1295 * It reads the command and its expected event from the firmware file,
1296 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1297 * the returned event is compared with the event read from the firmware
1298 * file and it will continue until all the messages are downloaded to
1299 * the controller.
1300 *
1301 * Once the firmware patching is completed successfully,
1302 * the manufacturer mode is disabled with reset and activating the
1303 * downloaded patch.
1304 *
1305 * If the firmware patching fails, the manufacturer mode is
1306 * disabled with reset and deactivating the patch.
1307 *
1308 * If the default patch file is used, no reset is done when disabling
1309 * the manufacturer.
1310 */
1311 while (fw->size > fw_ptr - fw->data) {
1312 int ret;
1313
1314 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1315 &disable_patch);
1316 if (ret < 0)
1317 goto exit_mfg_deactivate;
1318 }
1319
1320 release_firmware(fw);
1321
1322 if (disable_patch)
1323 goto exit_mfg_disable;
1324
1325 /* Patching completed successfully and disable the manufacturer mode
1326 * with reset and activate the downloaded firmware patches.
1327 */
1328 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
1329 mfg_reset_activate, HCI_INIT_TIMEOUT);
1330 if (IS_ERR(skb)) {
1331 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1332 hdev->name, PTR_ERR(skb));
d9c78e97 1333 return PTR_ERR(skb);
dffd30ee
THJA		 1334 }
1335 kfree_skb(skb);
1336
1337 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1338 hdev->name);
1339
1340 return 0;
1341
1342exit_mfg_disable:
1343 /* Disable the manufacturer mode without reset */
1344 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
1345 HCI_INIT_TIMEOUT);
1346 if (IS_ERR(skb)) {
1347 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1348 hdev->name, PTR_ERR(skb));
d9c78e97 1349 return PTR_ERR(skb);
dffd30ee
THJA		 1350 }
1351 kfree_skb(skb);
1352
1353 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
1354 return 0;
1355
1356exit_mfg_deactivate:
1357 release_firmware(fw);
1358
1359 /* Patching failed. Disable the manufacturer mode with reset and
1360 * deactivate the downloaded firmware patches.
1361 */
1362 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
1363 mfg_reset_deactivate, HCI_INIT_TIMEOUT);
1364 if (IS_ERR(skb)) {
1365 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1366 hdev->name, PTR_ERR(skb));
d9c78e97 1367 return PTR_ERR(skb);
dffd30ee
THJA		 1368 }
1369 kfree_skb(skb);
1370
1371 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1372 hdev->name);
1373
1374 return 0;
1375}
1376
5e23b923
MH		 1377static int btusb_probe(struct usb_interface *intf,
1378 const struct usb_device_id *id)
1379{
1380 struct usb_endpoint_descriptor *ep_desc;
1381 struct btusb_data *data;
1382 struct hci_dev *hdev;
1383 int i, err;
1384
1385 BT_DBG("intf %p id %p", intf, id);
1386
cfeb4145 1387 /* interface numbers are hardcoded in the spec */
5e23b923
MH		 1388 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
1389 return -ENODEV;
1390
1391 if (!id->driver_info) {
1392 const struct usb_device_id *match;
1393 match = usb_match_id(intf, blacklist_table);
1394 if (match)
1395 id = match;
1396 }
1397
cfeb4145
MH		 1398 if (id->driver_info == BTUSB_IGNORE)
1399 return -ENODEV;
1400
1401 if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
1402 return -ENODEV;
1403
1404 if (ignore_csr && id->driver_info & BTUSB_CSR)
1405 return -ENODEV;
1406
1407 if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
1408 return -ENODEV;
1409
2d25f8b4
SL		 1410 if (id->driver_info & BTUSB_ATH3012) {
1411 struct usb_device *udev = interface_to_usbdev(intf);
1412
1413 /* Old firmware would otherwise let ath3k driver load
1414 * patch and sysconfig files */
1415 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
1416 return -ENODEV;
1417 }
1418
98921dbd 1419 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
5e23b923
MH		 1420 if (!data)
1421 return -ENOMEM;
1422
1423 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1424 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1425
1426 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
1427 data->intr_ep = ep_desc;
1428 continue;
1429 }
1430
1431 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
1432 data->bulk_tx_ep = ep_desc;
1433 continue;
1434 }
1435
1436 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
1437 data->bulk_rx_ep = ep_desc;
1438 continue;
1439 }
1440 }
1441
98921dbd 1442 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
5e23b923 1443 return -ENODEV;
5e23b923 1444
7a9d4020
MH		 1445 data->cmdreq_type = USB_TYPE_CLASS;
1446
5e23b923 1447 data->udev = interface_to_usbdev(intf);
5fbcd260 1448 data->intf = intf;
5e23b923
MH		 1449
1450 spin_lock_init(&data->lock);
1451
1452 INIT_WORK(&data->work, btusb_work);
7bee549e
ON		 1453 INIT_WORK(&data->waker, btusb_waker);
1454 spin_lock_init(&data->txlock);
5e23b923
MH		 1455
1456 init_usb_anchor(&data->tx_anchor);
1457 init_usb_anchor(&data->intr_anchor);
1458 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 1459 init_usb_anchor(&data->isoc_anchor);
7bee549e 1460 init_usb_anchor(&data->deferred);
5e23b923
MH		 1461
1462 hdev = hci_alloc_dev();
98921dbd 1463 if (!hdev)
5e23b923 1464 return -ENOMEM;
5e23b923 1465
c13854ce 1466 hdev->bus = HCI_USB;
155961e8 1467 hci_set_drvdata(hdev, data);
5e23b923
MH		 1468
1469 data->hdev = hdev;
1470
1471 SET_HCIDEV_DEV(hdev, &intf->dev);
1472
9f8f962c
MH		 1473 hdev->open = btusb_open;
1474 hdev->close = btusb_close;
1475 hdev->flush = btusb_flush;
1476 hdev->send = btusb_send_frame;
1477 hdev->notify = btusb_notify;
1478
1479 if (id->driver_info & BTUSB_BCM92035)
1480 hdev->setup = btusb_setup_bcm92035;
5e23b923 1481
d2bee8fb
THJA		 1482 if (id->driver_info & BTUSB_INTEL) {
1483 usb_enable_autosuspend(data->udev);
dffd30ee 1484 hdev->setup = btusb_setup_intel;
d2bee8fb 1485 }
dffd30ee 1486
7a9d4020 1487 /* Interface numbers are hardcoded in the specification */
9bfa35fe
MH		 1488 data->isoc = usb_ifnum_to_if(data->udev, 1);
1489
7a9d4020 1490 if (!reset)
a6c511c6 1491 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cfeb4145
MH		 1492
1493 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1494 if (!disable_scofix)
1495 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1496 }
1497
9bfa35fe
MH		 1498 if (id->driver_info & BTUSB_BROKEN_ISOC)
1499 data->isoc = NULL;
1500
7a9d4020
MH		 1501 if (id->driver_info & BTUSB_DIGIANSWER) {
1502 data->cmdreq_type = USB_TYPE_VENDOR;
a6c511c6 1503 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
7a9d4020
MH		 1504 }
1505
1506 if (id->driver_info & BTUSB_CSR) {
1507 struct usb_device *udev = data->udev;
81cac64b 1508 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
7a9d4020
MH		 1509
1510 /* Old firmware would otherwise execute USB reset */
81cac64b 1511 if (bcdDevice < 0x117)
a6c511c6 1512 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b
MH		 1513
1514 /* Fake CSR devices with broken commands */
1515 if (bcdDevice <= 0x100)
1516 hdev->setup = btusb_setup_csr;
7a9d4020
MH		 1517 }
1518
cfeb4145 1519 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 1520 struct usb_device *udev = data->udev;
cfeb4145 1521
7a9d4020 1522 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 1523 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1524 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
9bfa35fe
MH		 1525
1526 data->isoc = NULL;
cfeb4145
MH		 1527 }
1528
9bfa35fe
MH		 1529 if (data->isoc) {
1530 err = usb_driver_claim_interface(&btusb_driver,
5fbcd260 1531 data->isoc, data);
9bfa35fe
MH		 1532 if (err < 0) {
1533 hci_free_dev(hdev);
9bfa35fe
MH		 1534 return err;
1535 }
1536 }
1537
5e23b923
MH		 1538 err = hci_register_dev(hdev);
1539 if (err < 0) {
1540 hci_free_dev(hdev);
5e23b923
MH		 1541 return err;
1542 }
1543
1544 usb_set_intfdata(intf, data);
1545
1546 return 0;
1547}
1548
1549static void btusb_disconnect(struct usb_interface *intf)
1550{
1551 struct btusb_data *data = usb_get_intfdata(intf);
1552 struct hci_dev *hdev;
1553
1554 BT_DBG("intf %p", intf);
1555
1556 if (!data)
1557 return;
1558
1559 hdev = data->hdev;
5fbcd260
MH		 1560 usb_set_intfdata(data->intf, NULL);
1561
1562 if (data->isoc)
1563 usb_set_intfdata(data->isoc, NULL);
5e23b923
MH		 1564
1565 hci_unregister_dev(hdev);
1566
5fbcd260
MH		 1567 if (intf == data->isoc)
1568 usb_driver_release_interface(&btusb_driver, data->intf);
1569 else if (data->isoc)
1570 usb_driver_release_interface(&btusb_driver, data->isoc);
1571
5e23b923
MH		 1572 hci_free_dev(hdev);
1573}
1574
7bee549e 1575#ifdef CONFIG_PM
6a88adf2
MH		 1576static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1577{
1578 struct btusb_data *data = usb_get_intfdata(intf);
1579
1580 BT_DBG("intf %p", intf);
1581
1582 if (data->suspend_count++)
1583 return 0;
1584
7bee549e 1585 spin_lock_irq(&data->txlock);
5b1b0b81 1586 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 1587 set_bit(BTUSB_SUSPENDING, &data->flags);
1588 spin_unlock_irq(&data->txlock);
1589 } else {
1590 spin_unlock_irq(&data->txlock);
1591 data->suspend_count--;
1592 return -EBUSY;
1593 }
1594
6a88adf2
MH		 1595 cancel_work_sync(&data->work);
1596
7bee549e 1597 btusb_stop_traffic(data);
6a88adf2
MH		 1598 usb_kill_anchored_urbs(&data->tx_anchor);
1599
6a88adf2
MH		 1600 return 0;
1601}
1602
7bee549e
ON		 1603static void play_deferred(struct btusb_data *data)
1604{
1605 struct urb *urb;
1606 int err;
1607
1608 while ((urb = usb_get_from_anchor(&data->deferred))) {
1609 err = usb_submit_urb(urb, GFP_ATOMIC);
1610 if (err < 0)
1611 break;
1612
1613 data->tx_in_flight++;
1614 }
1615 usb_scuttle_anchored_urbs(&data->deferred);
1616}
1617
6a88adf2
MH		 1618static int btusb_resume(struct usb_interface *intf)
1619{
1620 struct btusb_data *data = usb_get_intfdata(intf);
1621 struct hci_dev *hdev = data->hdev;
7bee549e 1622 int err = 0;
6a88adf2
MH		 1623
1624 BT_DBG("intf %p", intf);
1625
1626 if (--data->suspend_count)
1627 return 0;
1628
1629 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 1630 goto done;
6a88adf2
MH		 1631
1632 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1633 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1634 if (err < 0) {
1635 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1636 goto failed;
6a88adf2
MH		 1637 }
1638 }
1639
1640 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 1641 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1642 if (err < 0) {
6a88adf2 1643 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 1644 goto failed;
1645 }
1646
1647 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 1648 }
1649
1650 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1651 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1652 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1653 else
1654 btusb_submit_isoc_urb(hdev, GFP_NOIO);
1655 }
1656
7bee549e
ON		 1657 spin_lock_irq(&data->txlock);
1658 play_deferred(data);
1659 clear_bit(BTUSB_SUSPENDING, &data->flags);
1660 spin_unlock_irq(&data->txlock);
1661 schedule_work(&data->work);
1662
6a88adf2 1663 return 0;
7bee549e
ON		 1664
1665failed:
1666 usb_scuttle_anchored_urbs(&data->deferred);
1667done:
1668 spin_lock_irq(&data->txlock);
1669 clear_bit(BTUSB_SUSPENDING, &data->flags);
1670 spin_unlock_irq(&data->txlock);
1671
1672 return err;
6a88adf2 1673}
7bee549e 1674#endif
6a88adf2 1675
5e23b923
MH		 1676static struct usb_driver btusb_driver = {
1677 .name = "btusb",
1678 .probe = btusb_probe,
1679 .disconnect = btusb_disconnect,
7bee549e 1680#ifdef CONFIG_PM
6a88adf2
MH		 1681 .suspend = btusb_suspend,
1682 .resume = btusb_resume,
7bee549e 1683#endif
5e23b923 1684 .id_table = btusb_table,
7bee549e 1685 .supports_autosuspend = 1,
e1f12eb6 1686 .disable_hub_initiated_lpm = 1,
5e23b923
MH		 1687};
1688
93f1508c 1689module_usb_driver(btusb_driver);
5e23b923 1690
cfeb4145
MH		 1691module_param(ignore_dga, bool, 0644);
1692MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1693
1694module_param(ignore_csr, bool, 0644);
1695MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1696
1697module_param(ignore_sniffer, bool, 0644);
1698MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1699
1700module_param(disable_scofix, bool, 0644);
1701MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1702
1703module_param(force_scofix, bool, 0644);
1704MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1705
1706module_param(reset, bool, 0644);
1707MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1708
5e23b923
MH		 1709MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1710MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1711MODULE_VERSION(VERSION);
1712MODULE_LICENSE("GPL");
Linux kernel - Deliverables
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