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Bluetooth: Remove assignments in if-statements
[linux-2.6-block.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 */
0b880062
AS		 104 { USB_DEVICE(0x0489, 0xe042) },
105 { USB_DEVICE(0x04ca, 0x2003) },
1ee3ff61 106 { USB_DEVICE(0x0b05, 0x17b5) },
38a172be 107 { USB_DEVICE(0x0b05, 0x17cb) },
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
0b880062 113 /* Broadcom devices with vendor specific id */
92c385f4
GP		 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
9113bfd8
JK		 119 /* IMC Networks - Broadcom based */
120 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) },
121
5e23b923
MH		 122 { } /* Terminating entry */
123};
124
125MODULE_DEVICE_TABLE(usb, btusb_table);
126
54265202 127static const struct usb_device_id blacklist_table[] = {
cfeb4145
MH		 128 /* CSR BlueCore devices */
129 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
130
131 /* Broadcom BCM2033 without firmware */
132 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
133
be93112a 134 /* Atheros 3011 with sflash firmware */
0b880062
AS		 135 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
136 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
137 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
be93112a 138 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
6eda541d 139 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
2a7bcccc 140 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
be93112a 141
509e7861
CYC		 142 /* Atheros AR9285 Malbec with sflash firmware */
143 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
144
d9f51b51 145 /* Atheros 3012 with sflash firmware */
0b880062
AS		 146 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
147 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
148 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
149 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
150 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
151 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
152 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
153 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
154 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
155 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
156 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
157 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
158 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
a735f9e2 159 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1 160 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
2d25f8b4 161 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10 162 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87 163 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
b131237c 164 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
1e56f1eb 165 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
0b880062 166 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795 167 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
0b880062 168 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
ac71311e 169 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc 170 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 171 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
172 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2 173 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
5b77a1f3 174 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
d9f51b51 175
e9036e33
CYC		 176 /* Atheros AR5BBU12 with sflash firmware */
177 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
178
85d59726 179 /* Atheros AR5BBU12 with sflash firmware */
bc21fde2 180 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
0b880062 181 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
85d59726 182
cfeb4145 183 /* Broadcom BCM2035 */
7a9d4020 184 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
0b880062
AS		 185 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
186 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 187
188 /* Broadcom BCM2045 */
7a9d4020
MH		 189 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
190 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 191
cfeb4145 192 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 193 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
194 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 195
196 /* HP laptop with Broadcom chip */
7a9d4020 197 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 198
199 /* Dell laptop with Broadcom chip */
7a9d4020 200 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 201
5ddd4a60 202 /* Dell Wireless 370 and 410 devices */
7a9d4020 203 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 204 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 205
7a9d4020
MH		 206 /* Belkin F8T012 and F8T013 devices */
207 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
208 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 209
5ddd4a60
MH		 210 /* Asus WL-BTD202 device */
211 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
212
213 /* Kensington Bluetooth USB adapter */
214 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
215
cfeb4145
MH		 216 /* RTX Telecom based adapters with buggy SCO support */
217 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
218 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
219
220 /* CONWISE Technology based adapters with buggy SCO support */
221 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
222
cfeb4145
MH		 223 /* Digianswer devices */
224 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
225 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
226
227 /* CSR BlueCore Bluetooth Sniffer */
228 { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
229
230 /* Frontline ComProbe Bluetooth Sniffer */
231 { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
232
dffd30ee
THJA		 233 /* Intel Bluetooth device */
234 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
ef4e5e4a 235 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
dffd30ee 236
5e23b923
MH		 237 { } /* Terminating entry */
238};
239
9bfa35fe
MH		 240#define BTUSB_MAX_ISOC_FRAMES 10
241
5e23b923
MH		 242#define BTUSB_INTR_RUNNING 0
243#define BTUSB_BULK_RUNNING 1
9bfa35fe 244#define BTUSB_ISOC_RUNNING 2
7bee549e 245#define BTUSB_SUSPENDING 3
08b8b6c4 246#define BTUSB_DID_ISO_RESUME 4
5e23b923
MH		 247
248struct btusb_data {
249 struct hci_dev *hdev;
250 struct usb_device *udev;
5fbcd260 251 struct usb_interface *intf;
9bfa35fe 252 struct usb_interface *isoc;
5e23b923
MH		 253
254 spinlock_t lock;
255
256 unsigned long flags;
257
258 struct work_struct work;
7bee549e 259 struct work_struct waker;
5e23b923
MH		 260
261 struct usb_anchor tx_anchor;
262 struct usb_anchor intr_anchor;
263 struct usb_anchor bulk_anchor;
9bfa35fe 264 struct usb_anchor isoc_anchor;
7bee549e
ON		 265 struct usb_anchor deferred;
266 int tx_in_flight;
267 spinlock_t txlock;
5e23b923
MH		 268
269 struct usb_endpoint_descriptor *intr_ep;
270 struct usb_endpoint_descriptor *bulk_tx_ep;
271 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 272 struct usb_endpoint_descriptor *isoc_tx_ep;
273 struct usb_endpoint_descriptor *isoc_rx_ep;
274
7a9d4020
MH		 275 __u8 cmdreq_type;
276
43c2e57f 277 unsigned int sco_num;
9bfa35fe 278 int isoc_altsetting;
6a88adf2 279 int suspend_count;
5e23b923
MH		 280};
281
7bee549e
ON		 282static int inc_tx(struct btusb_data *data)
283{
284 unsigned long flags;
285 int rv;
286
287 spin_lock_irqsave(&data->txlock, flags);
288 rv = test_bit(BTUSB_SUSPENDING, &data->flags);
289 if (!rv)
290 data->tx_in_flight++;
291 spin_unlock_irqrestore(&data->txlock, flags);
292
293 return rv;
294}
295
5e23b923
MH		 296static void btusb_intr_complete(struct urb *urb)
297{
298 struct hci_dev *hdev = urb->context;
155961e8 299 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 300 int err;
301
302 BT_DBG("%s urb %p status %d count %d", hdev->name,
303 urb, urb->status, urb->actual_length);
304
305 if (!test_bit(HCI_RUNNING, &hdev->flags))
306 return;
307
308 if (urb->status == 0) {
9bfa35fe
MH		 309 hdev->stat.byte_rx += urb->actual_length;
310
5e23b923
MH		 311 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
312 urb->transfer_buffer,
313 urb->actual_length) < 0) {
314 BT_ERR("%s corrupted event packet", hdev->name);
315 hdev->stat.err_rx++;
316 }
317 }
318
319 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
320 return;
321
7bee549e 322 usb_mark_last_busy(data->udev);
5e23b923
MH		 323 usb_anchor_urb(urb, &data->intr_anchor);
324
325 err = usb_submit_urb(urb, GFP_ATOMIC);
326 if (err < 0) {
4935f1c1
PB		 327 /* -EPERM: urb is being killed;
328 * -ENODEV: device got disconnected */
329 if (err != -EPERM && err != -ENODEV)
61faddf6 330 BT_ERR("%s urb %p failed to resubmit (%d)",
5e23b923
MH		 331 hdev->name, urb, -err);
332 usb_unanchor_urb(urb);
333 }
334}
335
2eda66f4 336static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 337{
155961e8 338 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 339 struct urb *urb;
340 unsigned char *buf;
341 unsigned int pipe;
342 int err, size;
343
344 BT_DBG("%s", hdev->name);
345
9bfa35fe
MH		 346 if (!data->intr_ep)
347 return -ENODEV;
348
2eda66f4 349 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 350 if (!urb)
351 return -ENOMEM;
352
353 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
354
2eda66f4 355 buf = kmalloc(size, mem_flags);
5e23b923
MH		 356 if (!buf) {
357 usb_free_urb(urb);
358 return -ENOMEM;
359 }
360
361 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
362
363 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
364 btusb_intr_complete, hdev,
365 data->intr_ep->bInterval);
366
367 urb->transfer_flags |= URB_FREE_BUFFER;
368
369 usb_anchor_urb(urb, &data->intr_anchor);
370
2eda66f4 371 err = usb_submit_urb(urb, mem_flags);
5e23b923 372 if (err < 0) {
d4b8d1c9
PB		 373 if (err != -EPERM && err != -ENODEV)
374 BT_ERR("%s urb %p submission failed (%d)",
5e23b923
MH		 375 hdev->name, urb, -err);
376 usb_unanchor_urb(urb);
5e23b923
MH		 377 }
378
379 usb_free_urb(urb);
380
381 return err;
382}
383
384static void btusb_bulk_complete(struct urb *urb)
385{
386 struct hci_dev *hdev = urb->context;
155961e8 387 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 388 int err;
389
390 BT_DBG("%s urb %p status %d count %d", hdev->name,
391 urb, urb->status, urb->actual_length);
392
393 if (!test_bit(HCI_RUNNING, &hdev->flags))
394 return;
395
396 if (urb->status == 0) {
9bfa35fe
MH		 397 hdev->stat.byte_rx += urb->actual_length;
398
5e23b923
MH		 399 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
400 urb->transfer_buffer,
401 urb->actual_length) < 0) {
402 BT_ERR("%s corrupted ACL packet", hdev->name);
403 hdev->stat.err_rx++;
404 }
405 }
406
407 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
408 return;
409
410 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 411 usb_mark_last_busy(data->udev);
5e23b923
MH		 412
413 err = usb_submit_urb(urb, GFP_ATOMIC);
414 if (err < 0) {
4935f1c1
PB		 415 /* -EPERM: urb is being killed;
416 * -ENODEV: device got disconnected */
417 if (err != -EPERM && err != -ENODEV)
61faddf6 418 BT_ERR("%s urb %p failed to resubmit (%d)",
5e23b923
MH		 419 hdev->name, urb, -err);
420 usb_unanchor_urb(urb);
421 }
422}
423
2eda66f4 424static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 425{
155961e8 426 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 427 struct urb *urb;
428 unsigned char *buf;
429 unsigned int pipe;
290ba200 430 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 431
432 BT_DBG("%s", hdev->name);
433
9bfa35fe
MH		 434 if (!data->bulk_rx_ep)
435 return -ENODEV;
436
2eda66f4 437 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 438 if (!urb)
439 return -ENOMEM;
440
2eda66f4 441 buf = kmalloc(size, mem_flags);
5e23b923
MH		 442 if (!buf) {
443 usb_free_urb(urb);
444 return -ENOMEM;
445 }
446
447 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
448
449 usb_fill_bulk_urb(urb, data->udev, pipe,
450 buf, size, btusb_bulk_complete, hdev);
451
452 urb->transfer_flags |= URB_FREE_BUFFER;
453
7bee549e 454 usb_mark_last_busy(data->udev);
5e23b923
MH		 455 usb_anchor_urb(urb, &data->bulk_anchor);
456
2eda66f4 457 err = usb_submit_urb(urb, mem_flags);
5e23b923 458 if (err < 0) {
d4b8d1c9
PB		 459 if (err != -EPERM && err != -ENODEV)
460 BT_ERR("%s urb %p submission failed (%d)",
5e23b923
MH		 461 hdev->name, urb, -err);
462 usb_unanchor_urb(urb);
5e23b923
MH		 463 }
464
465 usb_free_urb(urb);
466
467 return err;
468}
469
9bfa35fe
MH		 470static void btusb_isoc_complete(struct urb *urb)
471{
472 struct hci_dev *hdev = urb->context;
155961e8 473 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 474 int i, err;
475
476 BT_DBG("%s urb %p status %d count %d", hdev->name,
477 urb, urb->status, urb->actual_length);
478
479 if (!test_bit(HCI_RUNNING, &hdev->flags))
480 return;
481
482 if (urb->status == 0) {
483 for (i = 0; i < urb->number_of_packets; i++) {
484 unsigned int offset = urb->iso_frame_desc[i].offset;
485 unsigned int length = urb->iso_frame_desc[i].actual_length;
486
487 if (urb->iso_frame_desc[i].status)
488 continue;
489
490 hdev->stat.byte_rx += length;
491
492 if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
493 urb->transfer_buffer + offset,
494 length) < 0) {
495 BT_ERR("%s corrupted SCO packet", hdev->name);
496 hdev->stat.err_rx++;
497 }
498 }
499 }
500
501 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
502 return;
503
504 usb_anchor_urb(urb, &data->isoc_anchor);
505
506 err = usb_submit_urb(urb, GFP_ATOMIC);
507 if (err < 0) {
4935f1c1
PB		 508 /* -EPERM: urb is being killed;
509 * -ENODEV: device got disconnected */
510 if (err != -EPERM && err != -ENODEV)
61faddf6 511 BT_ERR("%s urb %p failed to resubmit (%d)",
9bfa35fe
MH		 512 hdev->name, urb, -err);
513 usb_unanchor_urb(urb);
514 }
515}
516
42b16b3f 517static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 518{
519 int i, offset = 0;
520
521 BT_DBG("len %d mtu %d", len, mtu);
522
523 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
524 i++, offset += mtu, len -= mtu) {
525 urb->iso_frame_desc[i].offset = offset;
526 urb->iso_frame_desc[i].length = mtu;
527 }
528
529 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
530 urb->iso_frame_desc[i].offset = offset;
531 urb->iso_frame_desc[i].length = len;
532 i++;
533 }
534
535 urb->number_of_packets = i;
536}
537
2eda66f4 538static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe 539{
155961e8 540 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 541 struct urb *urb;
542 unsigned char *buf;
543 unsigned int pipe;
544 int err, size;
545
546 BT_DBG("%s", hdev->name);
547
548 if (!data->isoc_rx_ep)
549 return -ENODEV;
550
2eda66f4 551 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 552 if (!urb)
553 return -ENOMEM;
554
555 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
556 BTUSB_MAX_ISOC_FRAMES;
557
2eda66f4 558 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 559 if (!buf) {
560 usb_free_urb(urb);
561 return -ENOMEM;
562 }
563
564 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
565
fa0fb93f
BZ		 566 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
567 hdev, data->isoc_rx_ep->bInterval);
9bfa35fe
MH		 568
569 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
9bfa35fe
MH		 570
571 __fill_isoc_descriptor(urb, size,
572 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
573
574 usb_anchor_urb(urb, &data->isoc_anchor);
575
2eda66f4 576 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 577 if (err < 0) {
d4b8d1c9
PB		 578 if (err != -EPERM && err != -ENODEV)
579 BT_ERR("%s urb %p submission failed (%d)",
9bfa35fe
MH		 580 hdev->name, urb, -err);
581 usb_unanchor_urb(urb);
9bfa35fe
MH		 582 }
583
584 usb_free_urb(urb);
585
586 return err;
587}
588
5e23b923 589static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 590{
591 struct sk_buff *skb = urb->context;
592 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
155961e8 593 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e
ON		 594
595 BT_DBG("%s urb %p status %d count %d", hdev->name,
596 urb, urb->status, urb->actual_length);
597
598 if (!test_bit(HCI_RUNNING, &hdev->flags))
599 goto done;
600
601 if (!urb->status)
602 hdev->stat.byte_tx += urb->transfer_buffer_length;
603 else
604 hdev->stat.err_tx++;
605
606done:
607 spin_lock(&data->txlock);
608 data->tx_in_flight--;
609 spin_unlock(&data->txlock);
610
611 kfree(urb->setup_packet);
612
613 kfree_skb(skb);
614}
615
616static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 617{
618 struct sk_buff *skb = urb->context;
619 struct hci_dev *hdev = (struct hci_dev *) skb->dev;
620
621 BT_DBG("%s urb %p status %d count %d", hdev->name,
622 urb, urb->status, urb->actual_length);
623
624 if (!test_bit(HCI_RUNNING, &hdev->flags))
625 goto done;
626
627 if (!urb->status)
628 hdev->stat.byte_tx += urb->transfer_buffer_length;
629 else
630 hdev->stat.err_tx++;
631
632done:
633 kfree(urb->setup_packet);
634
635 kfree_skb(skb);
636}
637
638static int btusb_open(struct hci_dev *hdev)
639{
155961e8 640 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 641 int err;
642
643 BT_DBG("%s", hdev->name);
644
7bee549e
ON		 645 err = usb_autopm_get_interface(data->intf);
646 if (err < 0)
647 return err;
648
649 data->intf->needs_remote_wakeup = 1;
650
5e23b923 651 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
7bee549e 652 goto done;
5e23b923
MH		 653
654 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 655 goto done;
5e23b923 656
2eda66f4 657 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 658 if (err < 0)
659 goto failed;
660
661 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 662 if (err < 0) {
43c2e57f
MH		 663 usb_kill_anchored_urbs(&data->intr_anchor);
664 goto failed;
5e23b923
MH		 665 }
666
43c2e57f
MH		 667 set_bit(BTUSB_BULK_RUNNING, &data->flags);
668 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
669
7bee549e
ON		 670done:
671 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 672 return 0;
673
674failed:
675 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
676 clear_bit(HCI_RUNNING, &hdev->flags);
7bee549e 677 usb_autopm_put_interface(data->intf);
5e23b923
MH		 678 return err;
679}
680
7bee549e
ON		 681static void btusb_stop_traffic(struct btusb_data *data)
682{
683 usb_kill_anchored_urbs(&data->intr_anchor);
684 usb_kill_anchored_urbs(&data->bulk_anchor);
685 usb_kill_anchored_urbs(&data->isoc_anchor);
686}
687
5e23b923
MH		 688static int btusb_close(struct hci_dev *hdev)
689{
155961e8 690 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 691 int err;
5e23b923
MH		 692
693 BT_DBG("%s", hdev->name);
694
695 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
696 return 0;
697
e8c3c3d2 698 cancel_work_sync(&data->work);
404291ac 699 cancel_work_sync(&data->waker);
e8c3c3d2 700
9bfa35fe 701 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 702 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 703 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e
ON		 704
705 btusb_stop_traffic(data);
706 err = usb_autopm_get_interface(data->intf);
707 if (err < 0)
7b8e2c1d 708 goto failed;
7bee549e
ON		 709
710 data->intf->needs_remote_wakeup = 0;
711 usb_autopm_put_interface(data->intf);
5e23b923 712
7b8e2c1d
ON		 713failed:
714 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 715 return 0;
716}
717
718static int btusb_flush(struct hci_dev *hdev)
719{
155961e8 720 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 721
722 BT_DBG("%s", hdev->name);
723
724 usb_kill_anchored_urbs(&data->tx_anchor);
725
726 return 0;
727}
728
7bd8f09f 729static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
5e23b923 730{
155961e8 731 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 732 struct usb_ctrlrequest *dr;
733 struct urb *urb;
734 unsigned int pipe;
735 int err;
736
737 BT_DBG("%s", hdev->name);
738
739 if (!test_bit(HCI_RUNNING, &hdev->flags))
740 return -EBUSY;
741
7bd8f09f
MH		 742 skb->dev = (void *) hdev;
743
5e23b923
MH		 744 switch (bt_cb(skb)->pkt_type) {
745 case HCI_COMMAND_PKT:
746 urb = usb_alloc_urb(0, GFP_ATOMIC);
747 if (!urb)
748 return -ENOMEM;
749
750 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
751 if (!dr) {
752 usb_free_urb(urb);
753 return -ENOMEM;
754 }
755
7a9d4020 756 dr->bRequestType = data->cmdreq_type;
5e23b923
MH		 757 dr->bRequest = 0;
758 dr->wIndex = 0;
759 dr->wValue = 0;
760 dr->wLength = __cpu_to_le16(skb->len);
761
762 pipe = usb_sndctrlpipe(data->udev, 0x00);
763
764 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
765 skb->data, skb->len, btusb_tx_complete, skb);
766
767 hdev->stat.cmd_tx++;
768 break;
769
770 case HCI_ACLDATA_PKT:
9fd481e0 771 if (!data->bulk_tx_ep)
9bfa35fe
MH		 772 return -ENODEV;
773
5e23b923
MH		 774 urb = usb_alloc_urb(0, GFP_ATOMIC);
775 if (!urb)
776 return -ENOMEM;
777
778 pipe = usb_sndbulkpipe(data->udev,
779 data->bulk_tx_ep->bEndpointAddress);
780
781 usb_fill_bulk_urb(urb, data->udev, pipe,
782 skb->data, skb->len, btusb_tx_complete, skb);
783
784 hdev->stat.acl_tx++;
785 break;
786
787 case HCI_SCODATA_PKT:
014f7bc7 788 if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1)
9bfa35fe
MH		 789 return -ENODEV;
790
791 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
792 if (!urb)
793 return -ENOMEM;
794
795 pipe = usb_sndisocpipe(data->udev,
796 data->isoc_tx_ep->bEndpointAddress);
797
03c2d0e8
GP		 798 usb_fill_int_urb(urb, data->udev, pipe,
799 skb->data, skb->len, btusb_isoc_tx_complete,
800 skb, data->isoc_tx_ep->bInterval);
9bfa35fe
MH		 801
802 urb->transfer_flags = URB_ISO_ASAP;
9bfa35fe
MH		 803
804 __fill_isoc_descriptor(urb, skb->len,
805 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
806
5e23b923 807 hdev->stat.sco_tx++;
7bee549e 808 goto skip_waking;
5e23b923
MH		 809
810 default:
811 return -EILSEQ;
812 }
813
7bee549e
ON		 814 err = inc_tx(data);
815 if (err) {
816 usb_anchor_urb(urb, &data->deferred);
817 schedule_work(&data->waker);
818 err = 0;
819 goto done;
820 }
821
822skip_waking:
5e23b923
MH		 823 usb_anchor_urb(urb, &data->tx_anchor);
824
825 err = usb_submit_urb(urb, GFP_ATOMIC);
826 if (err < 0) {
5a9b80e2
PB		 827 if (err != -EPERM && err != -ENODEV)
828 BT_ERR("%s urb %p submission failed (%d)",
829 hdev->name, urb, -err);
5e23b923
MH		 830 kfree(urb->setup_packet);
831 usb_unanchor_urb(urb);
7bee549e
ON		 832 } else {
833 usb_mark_last_busy(data->udev);
5e23b923
MH		 834 }
835
7bee549e 836done:
54a8a79c 837 usb_free_urb(urb);
5e23b923
MH		 838 return err;
839}
840
5e23b923
MH		 841static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
842{
155961e8 843 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 844
845 BT_DBG("%s evt %d", hdev->name, evt);
846
014f7bc7
MH		 847 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
848 data->sco_num = hci_conn_num(hdev, SCO_LINK);
43c2e57f 849 schedule_work(&data->work);
a780efa8 850 }
5e23b923
MH		 851}
852
42b16b3f 853static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe 854{
155961e8 855 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 856 struct usb_interface *intf = data->isoc;
857 struct usb_endpoint_descriptor *ep_desc;
858 int i, err;
859
860 if (!data->isoc)
861 return -ENODEV;
862
863 err = usb_set_interface(data->udev, 1, altsetting);
864 if (err < 0) {
865 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
866 return err;
867 }
868
869 data->isoc_altsetting = altsetting;
870
871 data->isoc_tx_ep = NULL;
872 data->isoc_rx_ep = NULL;
873
874 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
875 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
876
877 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
878 data->isoc_tx_ep = ep_desc;
879 continue;
880 }
881
882 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
883 data->isoc_rx_ep = ep_desc;
884 continue;
885 }
886 }
887
888 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
889 BT_ERR("%s invalid SCO descriptors", hdev->name);
890 return -ENODEV;
891 }
892
893 return 0;
894}
895
5e23b923
MH		 896static void btusb_work(struct work_struct *work)
897{
898 struct btusb_data *data = container_of(work, struct btusb_data, work);
899 struct hci_dev *hdev = data->hdev;
f4001d28 900 int new_alts;
7bee549e 901 int err;
5e23b923 902
014f7bc7 903 if (data->sco_num > 0) {
08b8b6c4 904 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 905 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 906 if (err < 0) {
907 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
908 usb_kill_anchored_urbs(&data->isoc_anchor);
909 return;
910 }
911
08b8b6c4 912 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 913 }
f4001d28
MA		 914
915 if (hdev->voice_setting & 0x0020) {
916 static const int alts[3] = { 2, 4, 5 };
014f7bc7 917 new_alts = alts[data->sco_num - 1];
f4001d28 918 } else {
014f7bc7 919 new_alts = data->sco_num;
f4001d28
MA		 920 }
921
922 if (data->isoc_altsetting != new_alts) {
9bfa35fe
MH		 923 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
924 usb_kill_anchored_urbs(&data->isoc_anchor);
925
f4001d28 926 if (__set_isoc_interface(hdev, new_alts) < 0)
9bfa35fe
MH		 927 return;
928 }
929
930 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 931 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 932 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
933 else
2eda66f4 934 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 935 }
936 } else {
937 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
938 usb_kill_anchored_urbs(&data->isoc_anchor);
939
940 __set_isoc_interface(hdev, 0);
08b8b6c4 941 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 942 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 943 }
944}
945
7bee549e
ON		 946static void btusb_waker(struct work_struct *work)
947{
948 struct btusb_data *data = container_of(work, struct btusb_data, waker);
949 int err;
950
951 err = usb_autopm_get_interface(data->intf);
952 if (err < 0)
953 return;
954
955 usb_autopm_put_interface(data->intf);
956}
957
9f8f962c
MH		 958static int btusb_setup_bcm92035(struct hci_dev *hdev)
959{
960 struct sk_buff *skb;
961 u8 val = 0x00;
962
963 BT_DBG("%s", hdev->name);
964
965 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
966 if (IS_ERR(skb))
967 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
968 else
969 kfree_skb(skb);
970
971 return 0;
972}
973
81cac64b
MH		 974static int btusb_setup_csr(struct hci_dev *hdev)
975{
976 struct hci_rp_read_local_version *rp;
977 struct sk_buff *skb;
978 int ret;
979
980 BT_DBG("%s", hdev->name);
981
982 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
983 HCI_INIT_TIMEOUT);
984 if (IS_ERR(skb)) {
985 BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb));
986 return -PTR_ERR(skb);
987 }
988
989 rp = (struct hci_rp_read_local_version *) skb->data;
990
991 if (!rp->status) {
992 if (le16_to_cpu(rp->manufacturer) != 10) {
993 /* Clear the reset quirk since this is not an actual
994 * early Bluetooth 1.1 device from CSR.
995 */
996 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
997
998 /* These fake CSR controllers have all a broken
999 * stored link key handling and so just disable it.
1000 */
1001 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY,
1002 &hdev->quirks);
1003 }
1004 }
1005
1006 ret = -bt_to_errno(rp->status);
1007
1008 kfree_skb(skb);
1009
1010 return ret;
1011}
1012
dffd30ee
THJA		 1013struct intel_version {
1014 u8 status;
1015 u8 hw_platform;
1016 u8 hw_variant;
1017 u8 hw_revision;
1018 u8 fw_variant;
1019 u8 fw_revision;
1020 u8 fw_build_num;
1021 u8 fw_build_ww;
1022 u8 fw_build_yy;
1023 u8 fw_patch_num;
1024} __packed;
1025
1026static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
1027 struct intel_version *ver)
1028{
1029 const struct firmware *fw;
1030 char fwname[64];
1031 int ret;
1032
1033 snprintf(fwname, sizeof(fwname),
1034 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1035 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1036 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1037 ver->fw_build_ww, ver->fw_build_yy);
1038
1039 ret = request_firmware(&fw, fwname, &hdev->dev);
1040 if (ret < 0) {
1041 if (ret == -EINVAL) {
1042 BT_ERR("%s Intel firmware file request failed (%d)",
1043 hdev->name, ret);
1044 return NULL;
1045 }
1046
1047 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1048 hdev->name, fwname, ret);
1049
1050 /* If the correct firmware patch file is not found, use the
1051 * default firmware patch file instead
1052 */
1053 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1054 ver->hw_platform, ver->hw_variant);
1055 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1056 BT_ERR("%s failed to open default Intel fw file: %s",
1057 hdev->name, fwname);
1058 return NULL;
1059 }
1060 }
1061
1062 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1063
1064 return fw;
1065}
1066
1067static int btusb_setup_intel_patching(struct hci_dev *hdev,
1068 const struct firmware *fw,
1069 const u8 **fw_ptr, int *disable_patch)
1070{
1071 struct sk_buff *skb;
1072 struct hci_command_hdr *cmd;
1073 const u8 *cmd_param;
1074 struct hci_event_hdr *evt = NULL;
1075 const u8 *evt_param = NULL;
1076 int remain = fw->size - (*fw_ptr - fw->data);
1077
1078 /* The first byte indicates the types of the patch command or event.
1079 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1080 * in the current firmware buffer doesn't start with 0x01 or
1081 * the size of remain buffer is smaller than HCI command header,
1082 * the firmware file is corrupted and it should stop the patching
1083 * process.
1084 */
1085 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1086 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1087 return -EINVAL;
1088 }
1089 (*fw_ptr)++;
1090 remain--;
1091
1092 cmd = (struct hci_command_hdr *)(*fw_ptr);
1093 *fw_ptr += sizeof(*cmd);
1094 remain -= sizeof(*cmd);
1095
1096 /* Ensure that the remain firmware data is long enough than the length
1097 * of command parameter. If not, the firmware file is corrupted.
1098 */
1099 if (remain < cmd->plen) {
1100 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1101 return -EFAULT;
1102 }
1103
1104 /* If there is a command that loads a patch in the firmware
1105 * file, then enable the patch upon success, otherwise just
1106 * disable the manufacturer mode, for example patch activation
1107 * is not required when the default firmware patch file is used
1108 * because there are no patch data to load.
1109 */
1110 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1111 *disable_patch = 0;
1112
1113 cmd_param = *fw_ptr;
1114 *fw_ptr += cmd->plen;
1115 remain -= cmd->plen;
1116
1117 /* This reads the expected events when the above command is sent to the
1118 * device. Some vendor commands expects more than one events, for
1119 * example command status event followed by vendor specific event.
1120 * For this case, it only keeps the last expected event. so the command
1121 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1122 * last expected event.
1123 */
1124 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1125 (*fw_ptr)++;
1126 remain--;
1127
1128 evt = (struct hci_event_hdr *)(*fw_ptr);
1129 *fw_ptr += sizeof(*evt);
1130 remain -= sizeof(*evt);
1131
1132 if (remain < evt->plen) {
1133 BT_ERR("%s Intel fw corrupted: invalid evt len",
1134 hdev->name);
1135 return -EFAULT;
1136 }
1137
1138 evt_param = *fw_ptr;
1139 *fw_ptr += evt->plen;
1140 remain -= evt->plen;
1141 }
1142
1143 /* Every HCI commands in the firmware file has its correspond event.
1144 * If event is not found or remain is smaller than zero, the firmware
1145 * file is corrupted.
1146 */
1147 if (!evt || !evt_param || remain < 0) {
1148 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1149 return -EFAULT;
1150 }
1151
1152 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1153 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1154 if (IS_ERR(skb)) {
1155 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1156 hdev->name, cmd->opcode, PTR_ERR(skb));
d9c78e97 1157 return PTR_ERR(skb);
dffd30ee
THJA		 1158 }
1159
1160 /* It ensures that the returned event matches the event data read from
1161 * the firmware file. At fist, it checks the length and then
1162 * the contents of the event.
1163 */
1164 if (skb->len != evt->plen) {
1165 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1166 le16_to_cpu(cmd->opcode));
1167 kfree_skb(skb);
1168 return -EFAULT;
1169 }
1170
1171 if (memcmp(skb->data, evt_param, evt->plen)) {
1172 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1173 hdev->name, le16_to_cpu(cmd->opcode));
1174 kfree_skb(skb);
1175 return -EFAULT;
1176 }
1177 kfree_skb(skb);
1178
1179 return 0;
1180}
1181
1182static int btusb_setup_intel(struct hci_dev *hdev)
1183{
1184 struct sk_buff *skb;
1185 const struct firmware *fw;
1186 const u8 *fw_ptr;
1187 int disable_patch;
1188 struct intel_version *ver;
1189
1190 const u8 mfg_enable[] = { 0x01, 0x00 };
1191 const u8 mfg_disable[] = { 0x00, 0x00 };
1192 const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
1193 const u8 mfg_reset_activate[] = { 0x00, 0x02 };
1194
1195 BT_DBG("%s", hdev->name);
1196
1197 /* The controller has a bug with the first HCI command sent to it
1198 * returning number of completed commands as zero. This would stall the
1199 * command processing in the Bluetooth core.
1200 *
1201 * As a workaround, send HCI Reset command first which will reset the
1202 * number of completed commands and allow normal command processing
1203 * from now on.
1204 */
1205 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1206 if (IS_ERR(skb)) {
1207 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1208 hdev->name, PTR_ERR(skb));
d9c78e97 1209 return PTR_ERR(skb);
dffd30ee
THJA		 1210 }
1211 kfree_skb(skb);
1212
1213 /* Read Intel specific controller version first to allow selection of
1214 * which firmware file to load.
1215 *
1216 * The returned information are hardware variant and revision plus
1217 * firmware variant, revision and build number.
1218 */
1219 skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
1220 if (IS_ERR(skb)) {
1221 BT_ERR("%s reading Intel fw version command failed (%ld)",
1222 hdev->name, PTR_ERR(skb));
d9c78e97 1223 return PTR_ERR(skb);
dffd30ee
THJA		 1224 }
1225
1226 if (skb->len != sizeof(*ver)) {
1227 BT_ERR("%s Intel version event length mismatch", hdev->name);
1228 kfree_skb(skb);
1229 return -EIO;
1230 }
1231
1232 ver = (struct intel_version *)skb->data;
1233 if (ver->status) {
1234 BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
1235 ver->status);
1236 kfree_skb(skb);
1237 return -bt_to_errno(ver->status);
1238 }
1239
1240 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1241 hdev->name, ver->hw_platform, ver->hw_variant,
1242 ver->hw_revision, ver->fw_variant, ver->fw_revision,
1243 ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy,
1244 ver->fw_patch_num);
1245
1246 /* fw_patch_num indicates the version of patch the device currently
1247 * have. If there is no patch data in the device, it is always 0x00.
1248 * So, if it is other than 0x00, no need to patch the deivce again.
1249 */
1250 if (ver->fw_patch_num) {
1251 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1252 hdev->name, ver->fw_patch_num);
1253 kfree_skb(skb);
1254 return 0;
1255 }
1256
1257 /* Opens the firmware patch file based on the firmware version read
1258 * from the controller. If it fails to open the matching firmware
1259 * patch file, it tries to open the default firmware patch file.
1260 * If no patch file is found, allow the device to operate without
1261 * a patch.
1262 */
1263 fw = btusb_setup_intel_get_fw(hdev, ver);
1264 if (!fw) {
1265 kfree_skb(skb);
1266 return 0;
1267 }
1268 fw_ptr = fw->data;
1269
1270 /* This Intel specific command enables the manufacturer mode of the
1271 * controller.
1272 *
1273 * Only while this mode is enabled, the driver can download the
1274 * firmware patch data and configuration parameters.
1275 */
1276 skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
1277 if (IS_ERR(skb)) {
1278 BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
1279 hdev->name, PTR_ERR(skb));
1280 release_firmware(fw);
d9c78e97 1281 return PTR_ERR(skb);
dffd30ee
THJA		 1282 }
1283
1284 if (skb->data[0]) {
1285 u8 evt_status = skb->data[0];
1286 BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
1287 hdev->name, evt_status);
1288 kfree_skb(skb);
1289 release_firmware(fw);
1290 return -bt_to_errno(evt_status);
1291 }
1292 kfree_skb(skb);
1293
1294 disable_patch = 1;
1295
1296 /* The firmware data file consists of list of Intel specific HCI
1297 * commands and its expected events. The first byte indicates the
1298 * type of the message, either HCI command or HCI event.
1299 *
1300 * It reads the command and its expected event from the firmware file,
1301 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1302 * the returned event is compared with the event read from the firmware
1303 * file and it will continue until all the messages are downloaded to
1304 * the controller.
1305 *
1306 * Once the firmware patching is completed successfully,
1307 * the manufacturer mode is disabled with reset and activating the
1308 * downloaded patch.
1309 *
1310 * If the firmware patching fails, the manufacturer mode is
1311 * disabled with reset and deactivating the patch.
1312 *
1313 * If the default patch file is used, no reset is done when disabling
1314 * the manufacturer.
1315 */
1316 while (fw->size > fw_ptr - fw->data) {
1317 int ret;
1318
1319 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1320 &disable_patch);
1321 if (ret < 0)
1322 goto exit_mfg_deactivate;
1323 }
1324
1325 release_firmware(fw);
1326
1327 if (disable_patch)
1328 goto exit_mfg_disable;
1329
1330 /* Patching completed successfully and disable the manufacturer mode
1331 * with reset and activate the downloaded firmware patches.
1332 */
1333 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
1334 mfg_reset_activate, HCI_INIT_TIMEOUT);
1335 if (IS_ERR(skb)) {
1336 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1337 hdev->name, PTR_ERR(skb));
d9c78e97 1338 return PTR_ERR(skb);
dffd30ee
THJA		 1339 }
1340 kfree_skb(skb);
1341
1342 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1343 hdev->name);
1344
1345 return 0;
1346
1347exit_mfg_disable:
1348 /* Disable the manufacturer mode without reset */
1349 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
1350 HCI_INIT_TIMEOUT);
1351 if (IS_ERR(skb)) {
1352 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1353 hdev->name, PTR_ERR(skb));
d9c78e97 1354 return PTR_ERR(skb);
dffd30ee
THJA		 1355 }
1356 kfree_skb(skb);
1357
1358 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
1359 return 0;
1360
1361exit_mfg_deactivate:
1362 release_firmware(fw);
1363
1364 /* Patching failed. Disable the manufacturer mode with reset and
1365 * deactivate the downloaded firmware patches.
1366 */
1367 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
1368 mfg_reset_deactivate, HCI_INIT_TIMEOUT);
1369 if (IS_ERR(skb)) {
1370 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1371 hdev->name, PTR_ERR(skb));
d9c78e97 1372 return PTR_ERR(skb);
dffd30ee
THJA		 1373 }
1374 kfree_skb(skb);
1375
1376 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1377 hdev->name);
1378
1379 return 0;
1380}
1381
5e23b923
MH		 1382static int btusb_probe(struct usb_interface *intf,
1383 const struct usb_device_id *id)
1384{
1385 struct usb_endpoint_descriptor *ep_desc;
1386 struct btusb_data *data;
1387 struct hci_dev *hdev;
1388 int i, err;
1389
1390 BT_DBG("intf %p id %p", intf, id);
1391
cfeb4145 1392 /* interface numbers are hardcoded in the spec */
5e23b923
MH		 1393 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
1394 return -ENODEV;
1395
1396 if (!id->driver_info) {
1397 const struct usb_device_id *match;
1398 match = usb_match_id(intf, blacklist_table);
1399 if (match)
1400 id = match;
1401 }
1402
cfeb4145
MH		 1403 if (id->driver_info == BTUSB_IGNORE)
1404 return -ENODEV;
1405
1406 if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
1407 return -ENODEV;
1408
1409 if (ignore_csr && id->driver_info & BTUSB_CSR)
1410 return -ENODEV;
1411
1412 if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
1413 return -ENODEV;
1414
2d25f8b4
SL		 1415 if (id->driver_info & BTUSB_ATH3012) {
1416 struct usb_device *udev = interface_to_usbdev(intf);
1417
1418 /* Old firmware would otherwise let ath3k driver load
1419 * patch and sysconfig files */
1420 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
1421 return -ENODEV;
1422 }
1423
98921dbd 1424 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
5e23b923
MH		 1425 if (!data)
1426 return -ENOMEM;
1427
1428 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1429 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1430
1431 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
1432 data->intr_ep = ep_desc;
1433 continue;
1434 }
1435
1436 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
1437 data->bulk_tx_ep = ep_desc;
1438 continue;
1439 }
1440
1441 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
1442 data->bulk_rx_ep = ep_desc;
1443 continue;
1444 }
1445 }
1446
98921dbd 1447 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
5e23b923 1448 return -ENODEV;
5e23b923 1449
7a9d4020
MH		 1450 data->cmdreq_type = USB_TYPE_CLASS;
1451
5e23b923 1452 data->udev = interface_to_usbdev(intf);
5fbcd260 1453 data->intf = intf;
5e23b923
MH		 1454
1455 spin_lock_init(&data->lock);
1456
1457 INIT_WORK(&data->work, btusb_work);
7bee549e
ON		 1458 INIT_WORK(&data->waker, btusb_waker);
1459 spin_lock_init(&data->txlock);
5e23b923
MH		 1460
1461 init_usb_anchor(&data->tx_anchor);
1462 init_usb_anchor(&data->intr_anchor);
1463 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 1464 init_usb_anchor(&data->isoc_anchor);
7bee549e 1465 init_usb_anchor(&data->deferred);
5e23b923
MH		 1466
1467 hdev = hci_alloc_dev();
98921dbd 1468 if (!hdev)
5e23b923 1469 return -ENOMEM;
5e23b923 1470
c13854ce 1471 hdev->bus = HCI_USB;
155961e8 1472 hci_set_drvdata(hdev, data);
5e23b923
MH		 1473
1474 data->hdev = hdev;
1475
1476 SET_HCIDEV_DEV(hdev, &intf->dev);
1477
9f8f962c
MH		 1478 hdev->open = btusb_open;
1479 hdev->close = btusb_close;
1480 hdev->flush = btusb_flush;
1481 hdev->send = btusb_send_frame;
1482 hdev->notify = btusb_notify;
1483
1484 if (id->driver_info & BTUSB_BCM92035)
1485 hdev->setup = btusb_setup_bcm92035;
5e23b923 1486
d2bee8fb
THJA		 1487 if (id->driver_info & BTUSB_INTEL) {
1488 usb_enable_autosuspend(data->udev);
dffd30ee 1489 hdev->setup = btusb_setup_intel;
d2bee8fb 1490 }
dffd30ee 1491
7a9d4020 1492 /* Interface numbers are hardcoded in the specification */
9bfa35fe
MH		 1493 data->isoc = usb_ifnum_to_if(data->udev, 1);
1494
7a9d4020 1495 if (!reset)
a6c511c6 1496 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cfeb4145
MH		 1497
1498 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1499 if (!disable_scofix)
1500 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1501 }
1502
9bfa35fe
MH		 1503 if (id->driver_info & BTUSB_BROKEN_ISOC)
1504 data->isoc = NULL;
1505
7a9d4020
MH		 1506 if (id->driver_info & BTUSB_DIGIANSWER) {
1507 data->cmdreq_type = USB_TYPE_VENDOR;
a6c511c6 1508 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
7a9d4020
MH		 1509 }
1510
1511 if (id->driver_info & BTUSB_CSR) {
1512 struct usb_device *udev = data->udev;
81cac64b 1513 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
7a9d4020
MH		 1514
1515 /* Old firmware would otherwise execute USB reset */
81cac64b 1516 if (bcdDevice < 0x117)
a6c511c6 1517 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b
MH		 1518
1519 /* Fake CSR devices with broken commands */
1520 if (bcdDevice <= 0x100)
1521 hdev->setup = btusb_setup_csr;
7a9d4020
MH		 1522 }
1523
cfeb4145 1524 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 1525 struct usb_device *udev = data->udev;
cfeb4145 1526
7a9d4020 1527 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 1528 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1529 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
9bfa35fe
MH		 1530
1531 data->isoc = NULL;
cfeb4145
MH		 1532 }
1533
9bfa35fe
MH		 1534 if (data->isoc) {
1535 err = usb_driver_claim_interface(&btusb_driver,
5fbcd260 1536 data->isoc, data);
9bfa35fe
MH		 1537 if (err < 0) {
1538 hci_free_dev(hdev);
9bfa35fe
MH		 1539 return err;
1540 }
1541 }
1542
5e23b923
MH		 1543 err = hci_register_dev(hdev);
1544 if (err < 0) {
1545 hci_free_dev(hdev);
5e23b923
MH		 1546 return err;
1547 }
1548
1549 usb_set_intfdata(intf, data);
1550
1551 return 0;
1552}
1553
1554static void btusb_disconnect(struct usb_interface *intf)
1555{
1556 struct btusb_data *data = usb_get_intfdata(intf);
1557 struct hci_dev *hdev;
1558
1559 BT_DBG("intf %p", intf);
1560
1561 if (!data)
1562 return;
1563
1564 hdev = data->hdev;
5fbcd260
MH		 1565 usb_set_intfdata(data->intf, NULL);
1566
1567 if (data->isoc)
1568 usb_set_intfdata(data->isoc, NULL);
5e23b923
MH		 1569
1570 hci_unregister_dev(hdev);
1571
5fbcd260
MH		 1572 if (intf == data->isoc)
1573 usb_driver_release_interface(&btusb_driver, data->intf);
1574 else if (data->isoc)
1575 usb_driver_release_interface(&btusb_driver, data->isoc);
1576
5e23b923
MH		 1577 hci_free_dev(hdev);
1578}
1579
7bee549e 1580#ifdef CONFIG_PM
6a88adf2
MH		 1581static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1582{
1583 struct btusb_data *data = usb_get_intfdata(intf);
1584
1585 BT_DBG("intf %p", intf);
1586
1587 if (data->suspend_count++)
1588 return 0;
1589
7bee549e 1590 spin_lock_irq(&data->txlock);
5b1b0b81 1591 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 1592 set_bit(BTUSB_SUSPENDING, &data->flags);
1593 spin_unlock_irq(&data->txlock);
1594 } else {
1595 spin_unlock_irq(&data->txlock);
1596 data->suspend_count--;
1597 return -EBUSY;
1598 }
1599
6a88adf2
MH		 1600 cancel_work_sync(&data->work);
1601
7bee549e 1602 btusb_stop_traffic(data);
6a88adf2
MH		 1603 usb_kill_anchored_urbs(&data->tx_anchor);
1604
6a88adf2
MH		 1605 return 0;
1606}
1607
7bee549e
ON		 1608static void play_deferred(struct btusb_data *data)
1609{
1610 struct urb *urb;
1611 int err;
1612
1613 while ((urb = usb_get_from_anchor(&data->deferred))) {
1614 err = usb_submit_urb(urb, GFP_ATOMIC);
1615 if (err < 0)
1616 break;
1617
1618 data->tx_in_flight++;
1619 }
1620 usb_scuttle_anchored_urbs(&data->deferred);
1621}
1622
6a88adf2
MH		 1623static int btusb_resume(struct usb_interface *intf)
1624{
1625 struct btusb_data *data = usb_get_intfdata(intf);
1626 struct hci_dev *hdev = data->hdev;
7bee549e 1627 int err = 0;
6a88adf2
MH		 1628
1629 BT_DBG("intf %p", intf);
1630
1631 if (--data->suspend_count)
1632 return 0;
1633
1634 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 1635 goto done;
6a88adf2
MH		 1636
1637 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1638 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1639 if (err < 0) {
1640 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1641 goto failed;
6a88adf2
MH		 1642 }
1643 }
1644
1645 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 1646 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1647 if (err < 0) {
6a88adf2 1648 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 1649 goto failed;
1650 }
1651
1652 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 1653 }
1654
1655 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1656 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1657 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1658 else
1659 btusb_submit_isoc_urb(hdev, GFP_NOIO);
1660 }
1661
7bee549e
ON		 1662 spin_lock_irq(&data->txlock);
1663 play_deferred(data);
1664 clear_bit(BTUSB_SUSPENDING, &data->flags);
1665 spin_unlock_irq(&data->txlock);
1666 schedule_work(&data->work);
1667
6a88adf2 1668 return 0;
7bee549e
ON		 1669
1670failed:
1671 usb_scuttle_anchored_urbs(&data->deferred);
1672done:
1673 spin_lock_irq(&data->txlock);
1674 clear_bit(BTUSB_SUSPENDING, &data->flags);
1675 spin_unlock_irq(&data->txlock);
1676
1677 return err;
6a88adf2 1678}
7bee549e 1679#endif
6a88adf2 1680
5e23b923
MH		 1681static struct usb_driver btusb_driver = {
1682 .name = "btusb",
1683 .probe = btusb_probe,
1684 .disconnect = btusb_disconnect,
7bee549e 1685#ifdef CONFIG_PM
6a88adf2
MH		 1686 .suspend = btusb_suspend,
1687 .resume = btusb_resume,
7bee549e 1688#endif
5e23b923 1689 .id_table = btusb_table,
7bee549e 1690 .supports_autosuspend = 1,
e1f12eb6 1691 .disable_hub_initiated_lpm = 1,
5e23b923
MH		 1692};
1693
93f1508c 1694module_usb_driver(btusb_driver);
5e23b923 1695
cfeb4145
MH		 1696module_param(ignore_dga, bool, 0644);
1697MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1698
1699module_param(ignore_csr, bool, 0644);
1700MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1701
1702module_param(ignore_sniffer, bool, 0644);
1703MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1704
1705module_param(disable_scofix, bool, 0644);
1706MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1707
1708module_param(force_scofix, bool, 0644);
1709MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1710
1711module_param(reset, bool, 0644);
1712MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1713
5e23b923
MH		 1714MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1715MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1716MODULE_VERSION(VERSION);
1717MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)