Pileus Git - ~andy/linux/blob - drivers/bluetooth/btusb.c

   1 /*
   2  *
   3  *  Generic Bluetooth USB driver
   4  *
   5  *  Copyright (C) 2005-2008  Marcel Holtmann <marcel@holtmann.org>
   6  *
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  *
  22  */
  23
  24 #include <linux/module.h>
  25 #include <linux/usb.h>
  26
  27 #include <net/bluetooth/bluetooth.h>
  28 #include <net/bluetooth/hci_core.h>
  29
  30 #define VERSION "0.6"
  31
  32 static bool ignore_dga;
  33 static bool ignore_csr;
  34 static bool ignore_sniffer;
  35 static bool disable_scofix;
  36 static bool force_scofix;
  37
  38 static bool reset = 1;
  39
  40 static struct usb_driver btusb_driver;
  41
  42 #define BTUSB_IGNORE            0x01
  43 #define BTUSB_DIGIANSWER        0x02
  44 #define BTUSB_CSR               0x04
  45 #define BTUSB_SNIFFER           0x08
  46 #define BTUSB_BCM92035          0x10
  47 #define BTUSB_BROKEN_ISOC       0x20
  48 #define BTUSB_WRONG_SCO_MTU     0x40
  49 #define BTUSB_ATH3012           0x80
  50
  51 static struct usb_device_id btusb_table[] = {
  52         /* Generic Bluetooth USB device */
  53         { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
  54
  55         /* Apple-specific (Broadcom) devices */
  56         { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
  57
  58         /* Broadcom SoftSailing reporting vendor specific */
  59         { USB_DEVICE(0x0a5c, 0x21e1) },
  60
  61         /* Apple MacBookPro 7,1 */
  62         { USB_DEVICE(0x05ac, 0x8213) },
  63
  64         /* Apple iMac11,1 */
  65         { USB_DEVICE(0x05ac, 0x8215) },
  66
  67         /* Apple MacBookPro6,2 */
  68         { USB_DEVICE(0x05ac, 0x8218) },
  69
  70         /* Apple MacBookAir3,1, MacBookAir3,2 */
  71         { USB_DEVICE(0x05ac, 0x821b) },
  72
  73         /* Apple MacBookAir4,1 */
  74         { USB_DEVICE(0x05ac, 0x821f) },
  75
  76         /* Apple MacBookPro8,2 */
  77         { USB_DEVICE(0x05ac, 0x821a) },
  78
  79         /* Apple MacMini5,1 */
  80         { USB_DEVICE(0x05ac, 0x8281) },
  81
  82         /* AVM BlueFRITZ! USB v2.0 */
  83         { USB_DEVICE(0x057c, 0x3800) },
  84
  85         /* Bluetooth Ultraport Module from IBM */
  86         { USB_DEVICE(0x04bf, 0x030a) },
  87
  88         /* ALPS Modules with non-standard id */
  89         { USB_DEVICE(0x044e, 0x3001) },
  90         { USB_DEVICE(0x044e, 0x3002) },
  91
  92         /* Ericsson with non-standard id */
  93         { USB_DEVICE(0x0bdb, 0x1002) },
  94
  95         /* Canyon CN-BTU1 with HID interfaces */
  96         { USB_DEVICE(0x0c10, 0x0000) },
  97
  98         /* Broadcom BCM20702A0 */
  99         { USB_DEVICE(0x0b05, 0x17b5) },
 100         { USB_DEVICE(0x04ca, 0x2003) },
 101         { USB_DEVICE(0x0489, 0xe042) },
 102         { USB_DEVICE(0x413c, 0x8197) },
 103
 104         /* Foxconn - Hon Hai */
 105         { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) },
 106
 107         /*Broadcom devices with vendor specific id */
 108         { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
 109
 110         { }     /* Terminating entry */
 111 };
 112
 113 MODULE_DEVICE_TABLE(usb, btusb_table);
 114
 115 static struct usb_device_id blacklist_table[] = {
 116         /* CSR BlueCore devices */
 117         { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
 118
 119         /* Broadcom BCM2033 without firmware */
 120         { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
 121
 122         /* Atheros 3011 with sflash firmware */
 123         { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
 124         { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
 125         { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
 126         { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
 127         { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
 128         { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
 129
 130         /* Atheros AR9285 Malbec with sflash firmware */
 131         { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
 132
 133         /* Atheros 3012 with sflash firmware */
 134         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 135         { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
 136         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 137         { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 138         { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
 139         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 140         { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 141         { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 142         { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
 143         { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 144         { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
 145
 146         /* Atheros AR5BBU12 with sflash firmware */
 147         { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
 148
 149         /* Atheros AR5BBU12 with sflash firmware */
 150         { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
 151         { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
 152
 153         /* Broadcom BCM2035 */
 154         { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
 155         { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
 156         { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
 157
 158         /* Broadcom BCM2045 */
 159         { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
 160         { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
 161
 162         /* IBM/Lenovo ThinkPad with Broadcom chip */
 163         { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
 164         { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
 165
 166         /* HP laptop with Broadcom chip */
 167         { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
 168
 169         /* Dell laptop with Broadcom chip */
 170         { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
 171
 172         /* Dell Wireless 370 and 410 devices */
 173         { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
 174         { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
 175
 176         /* Belkin F8T012 and F8T013 devices */
 177         { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
 178         { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
 179
 180         /* Asus WL-BTD202 device */
 181         { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
 182
 183         /* Kensington Bluetooth USB adapter */
 184         { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
 185
 186         /* RTX Telecom based adapters with buggy SCO support */
 187         { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
 188         { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
 189
 190         /* CONWISE Technology based adapters with buggy SCO support */
 191         { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
 192
 193         /* Digianswer devices */
 194         { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
 195         { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
 196
 197         /* CSR BlueCore Bluetooth Sniffer */
 198         { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
 199
 200         /* Frontline ComProbe Bluetooth Sniffer */
 201         { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
 202
 203         { }     /* Terminating entry */
 204 };
 205
 206 #define BTUSB_MAX_ISOC_FRAMES   10
 207
 208 #define BTUSB_INTR_RUNNING      0
 209 #define BTUSB_BULK_RUNNING      1
 210 #define BTUSB_ISOC_RUNNING      2
 211 #define BTUSB_SUSPENDING        3
 212 #define BTUSB_DID_ISO_RESUME    4
 213
 214 struct btusb_data {
 215         struct hci_dev       *hdev;
 216         struct usb_device    *udev;
 217         struct usb_interface *intf;
 218         struct usb_interface *isoc;
 219
 220         spinlock_t lock;
 221
 222         unsigned long flags;
 223
 224         struct work_struct work;
 225         struct work_struct waker;
 226
 227         struct usb_anchor tx_anchor;
 228         struct usb_anchor intr_anchor;
 229         struct usb_anchor bulk_anchor;
 230         struct usb_anchor isoc_anchor;
 231         struct usb_anchor deferred;
 232         int tx_in_flight;
 233         spinlock_t txlock;
 234
 235         struct usb_endpoint_descriptor *intr_ep;
 236         struct usb_endpoint_descriptor *bulk_tx_ep;
 237         struct usb_endpoint_descriptor *bulk_rx_ep;
 238         struct usb_endpoint_descriptor *isoc_tx_ep;
 239         struct usb_endpoint_descriptor *isoc_rx_ep;
 240
 241         __u8 cmdreq_type;
 242
 243         unsigned int sco_num;
 244         int isoc_altsetting;
 245         int suspend_count;
 246 };
 247
 248 static int inc_tx(struct btusb_data *data)
 249 {
 250         unsigned long flags;
 251         int rv;
 252
 253         spin_lock_irqsave(&data->txlock, flags);
 254         rv = test_bit(BTUSB_SUSPENDING, &data->flags);
 255         if (!rv)
 256                 data->tx_in_flight++;
 257         spin_unlock_irqrestore(&data->txlock, flags);
 258
 259         return rv;
 260 }
 261
 262 static void btusb_intr_complete(struct urb *urb)
 263 {
 264         struct hci_dev *hdev = urb->context;
 265         struct btusb_data *data = hci_get_drvdata(hdev);
 266         int err;
 267
 268         BT_DBG("%s urb %p status %d count %d", hdev->name,
 269                                         urb, urb->status, urb->actual_length);
 270
 271         if (!test_bit(HCI_RUNNING, &hdev->flags))
 272                 return;
 273
 274         if (urb->status == 0) {
 275                 hdev->stat.byte_rx += urb->actual_length;
 276
 277                 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
 278                                                 urb->transfer_buffer,
 279                                                 urb->actual_length) < 0) {
 280                         BT_ERR("%s corrupted event packet", hdev->name);
 281                         hdev->stat.err_rx++;
 282                 }
 283         }
 284
 285         if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
 286                 return;
 287
 288         usb_mark_last_busy(data->udev);
 289         usb_anchor_urb(urb, &data->intr_anchor);
 290
 291         err = usb_submit_urb(urb, GFP_ATOMIC);
 292         if (err < 0) {
 293                 /* -EPERM: urb is being killed;
 294                  * -ENODEV: device got disconnected */
 295                 if (err != -EPERM && err != -ENODEV)
 296                         BT_ERR("%s urb %p failed to resubmit (%d)",
 297                                                 hdev->name, urb, -err);
 298                 usb_unanchor_urb(urb);
 299         }
 300 }
 301
 302 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
 303 {
 304         struct btusb_data *data = hci_get_drvdata(hdev);
 305         struct urb *urb;
 306         unsigned char *buf;
 307         unsigned int pipe;
 308         int err, size;
 309
 310         BT_DBG("%s", hdev->name);
 311
 312         if (!data->intr_ep)
 313                 return -ENODEV;
 314
 315         urb = usb_alloc_urb(0, mem_flags);
 316         if (!urb)
 317                 return -ENOMEM;
 318
 319         size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
 320
 321         buf = kmalloc(size, mem_flags);
 322         if (!buf) {
 323                 usb_free_urb(urb);
 324                 return -ENOMEM;
 325         }
 326
 327         pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
 328
 329         usb_fill_int_urb(urb, data->udev, pipe, buf, size,
 330                                                 btusb_intr_complete, hdev,
 331                                                 data->intr_ep->bInterval);
 332
 333         urb->transfer_flags |= URB_FREE_BUFFER;
 334
 335         usb_anchor_urb(urb, &data->intr_anchor);
 336
 337         err = usb_submit_urb(urb, mem_flags);
 338         if (err < 0) {
 339                 if (err != -EPERM && err != -ENODEV)
 340                         BT_ERR("%s urb %p submission failed (%d)",
 341                                                 hdev->name, urb, -err);
 342                 usb_unanchor_urb(urb);
 343         }
 344
 345         usb_free_urb(urb);
 346
 347         return err;
 348 }
 349
 350 static void btusb_bulk_complete(struct urb *urb)
 351 {
 352         struct hci_dev *hdev = urb->context;
 353         struct btusb_data *data = hci_get_drvdata(hdev);
 354         int err;
 355
 356         BT_DBG("%s urb %p status %d count %d", hdev->name,
 357                                         urb, urb->status, urb->actual_length);
 358
 359         if (!test_bit(HCI_RUNNING, &hdev->flags))
 360                 return;
 361
 362         if (urb->status == 0) {
 363                 hdev->stat.byte_rx += urb->actual_length;
 364
 365                 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
 366                                                 urb->transfer_buffer,
 367                                                 urb->actual_length) < 0) {
 368                         BT_ERR("%s corrupted ACL packet", hdev->name);
 369                         hdev->stat.err_rx++;
 370                 }
 371         }
 372
 373         if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
 374                 return;
 375
 376         usb_anchor_urb(urb, &data->bulk_anchor);
 377         usb_mark_last_busy(data->udev);
 378
 379         err = usb_submit_urb(urb, GFP_ATOMIC);
 380         if (err < 0) {
 381                 /* -EPERM: urb is being killed;
 382                  * -ENODEV: device got disconnected */
 383                 if (err != -EPERM && err != -ENODEV)
 384                         BT_ERR("%s urb %p failed to resubmit (%d)",
 385                                                 hdev->name, urb, -err);
 386                 usb_unanchor_urb(urb);
 387         }
 388 }
 389
 390 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
 391 {
 392         struct btusb_data *data = hci_get_drvdata(hdev);
 393         struct urb *urb;
 394         unsigned char *buf;
 395         unsigned int pipe;
 396         int err, size = HCI_MAX_FRAME_SIZE;
 397
 398         BT_DBG("%s", hdev->name);
 399
 400         if (!data->bulk_rx_ep)
 401                 return -ENODEV;
 402
 403         urb = usb_alloc_urb(0, mem_flags);
 404         if (!urb)
 405                 return -ENOMEM;
 406
 407         buf = kmalloc(size, mem_flags);
 408         if (!buf) {
 409                 usb_free_urb(urb);
 410                 return -ENOMEM;
 411         }
 412
 413         pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
 414
 415         usb_fill_bulk_urb(urb, data->udev, pipe,
 416                                         buf, size, btusb_bulk_complete, hdev);
 417
 418         urb->transfer_flags |= URB_FREE_BUFFER;
 419
 420         usb_mark_last_busy(data->udev);
 421         usb_anchor_urb(urb, &data->bulk_anchor);
 422
 423         err = usb_submit_urb(urb, mem_flags);
 424         if (err < 0) {
 425                 if (err != -EPERM && err != -ENODEV)
 426                         BT_ERR("%s urb %p submission failed (%d)",
 427                                                 hdev->name, urb, -err);
 428                 usb_unanchor_urb(urb);
 429         }
 430
 431         usb_free_urb(urb);
 432
 433         return err;
 434 }
 435
 436 static void btusb_isoc_complete(struct urb *urb)
 437 {
 438         struct hci_dev *hdev = urb->context;
 439         struct btusb_data *data = hci_get_drvdata(hdev);
 440         int i, err;
 441
 442         BT_DBG("%s urb %p status %d count %d", hdev->name,
 443                                         urb, urb->status, urb->actual_length);
 444
 445         if (!test_bit(HCI_RUNNING, &hdev->flags))
 446                 return;
 447
 448         if (urb->status == 0) {
 449                 for (i = 0; i < urb->number_of_packets; i++) {
 450                         unsigned int offset = urb->iso_frame_desc[i].offset;
 451                         unsigned int length = urb->iso_frame_desc[i].actual_length;
 452
 453                         if (urb->iso_frame_desc[i].status)
 454                                 continue;
 455
 456                         hdev->stat.byte_rx += length;
 457
 458                         if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
 459                                                 urb->transfer_buffer + offset,
 460                                                                 length) < 0) {
 461                                 BT_ERR("%s corrupted SCO packet", hdev->name);
 462                                 hdev->stat.err_rx++;
 463                         }
 464                 }
 465         }
 466
 467         if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
 468                 return;
 469
 470         usb_anchor_urb(urb, &data->isoc_anchor);
 471
 472         err = usb_submit_urb(urb, GFP_ATOMIC);
 473         if (err < 0) {
 474                 /* -EPERM: urb is being killed;
 475                  * -ENODEV: device got disconnected */
 476                 if (err != -EPERM && err != -ENODEV)
 477                         BT_ERR("%s urb %p failed to resubmit (%d)",
 478                                                 hdev->name, urb, -err);
 479                 usb_unanchor_urb(urb);
 480         }
 481 }
 482
 483 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
 484 {
 485         int i, offset = 0;
 486
 487         BT_DBG("len %d mtu %d", len, mtu);
 488
 489         for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
 490                                         i++, offset += mtu, len -= mtu) {
 491                 urb->iso_frame_desc[i].offset = offset;
 492                 urb->iso_frame_desc[i].length = mtu;
 493         }
 494
 495         if (len && i < BTUSB_MAX_ISOC_FRAMES) {
 496                 urb->iso_frame_desc[i].offset = offset;
 497                 urb->iso_frame_desc[i].length = len;
 498                 i++;
 499         }
 500
 501         urb->number_of_packets = i;
 502 }
 503
 504 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
 505 {
 506         struct btusb_data *data = hci_get_drvdata(hdev);
 507         struct urb *urb;
 508         unsigned char *buf;
 509         unsigned int pipe;
 510         int err, size;
 511
 512         BT_DBG("%s", hdev->name);
 513
 514         if (!data->isoc_rx_ep)
 515                 return -ENODEV;
 516
 517         urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
 518         if (!urb)
 519                 return -ENOMEM;
 520
 521         size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
 522                                                 BTUSB_MAX_ISOC_FRAMES;
 523
 524         buf = kmalloc(size, mem_flags);
 525         if (!buf) {
 526                 usb_free_urb(urb);
 527                 return -ENOMEM;
 528         }
 529
 530         pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
 531
 532         usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
 533                                 hdev, data->isoc_rx_ep->bInterval);
 534
 535         urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
 536
 537         __fill_isoc_descriptor(urb, size,
 538                         le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
 539
 540         usb_anchor_urb(urb, &data->isoc_anchor);
 541
 542         err = usb_submit_urb(urb, mem_flags);
 543         if (err < 0) {
 544                 if (err != -EPERM && err != -ENODEV)
 545                         BT_ERR("%s urb %p submission failed (%d)",
 546                                                 hdev->name, urb, -err);
 547                 usb_unanchor_urb(urb);
 548         }
 549
 550         usb_free_urb(urb);
 551
 552         return err;
 553 }
 554
 555 static void btusb_tx_complete(struct urb *urb)
 556 {
 557         struct sk_buff *skb = urb->context;
 558         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 559         struct btusb_data *data = hci_get_drvdata(hdev);
 560
 561         BT_DBG("%s urb %p status %d count %d", hdev->name,
 562                                         urb, urb->status, urb->actual_length);
 563
 564         if (!test_bit(HCI_RUNNING, &hdev->flags))
 565                 goto done;
 566
 567         if (!urb->status)
 568                 hdev->stat.byte_tx += urb->transfer_buffer_length;
 569         else
 570                 hdev->stat.err_tx++;
 571
 572 done:
 573         spin_lock(&data->txlock);
 574         data->tx_in_flight--;
 575         spin_unlock(&data->txlock);
 576
 577         kfree(urb->setup_packet);
 578
 579         kfree_skb(skb);
 580 }
 581
 582 static void btusb_isoc_tx_complete(struct urb *urb)
 583 {
 584         struct sk_buff *skb = urb->context;
 585         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 586
 587         BT_DBG("%s urb %p status %d count %d", hdev->name,
 588                                         urb, urb->status, urb->actual_length);
 589
 590         if (!test_bit(HCI_RUNNING, &hdev->flags))
 591                 goto done;
 592
 593         if (!urb->status)
 594                 hdev->stat.byte_tx += urb->transfer_buffer_length;
 595         else
 596                 hdev->stat.err_tx++;
 597
 598 done:
 599         kfree(urb->setup_packet);
 600
 601         kfree_skb(skb);
 602 }
 603
 604 static int btusb_open(struct hci_dev *hdev)
 605 {
 606         struct btusb_data *data = hci_get_drvdata(hdev);
 607         int err;
 608
 609         BT_DBG("%s", hdev->name);
 610
 611         err = usb_autopm_get_interface(data->intf);
 612         if (err < 0)
 613                 return err;
 614
 615         data->intf->needs_remote_wakeup = 1;
 616
 617         if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
 618                 goto done;
 619
 620         if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
 621                 goto done;
 622
 623         err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
 624         if (err < 0)
 625                 goto failed;
 626
 627         err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
 628         if (err < 0) {
 629                 usb_kill_anchored_urbs(&data->intr_anchor);
 630                 goto failed;
 631         }
 632
 633         set_bit(BTUSB_BULK_RUNNING, &data->flags);
 634         btusb_submit_bulk_urb(hdev, GFP_KERNEL);
 635
 636 done:
 637         usb_autopm_put_interface(data->intf);
 638         return 0;
 639
 640 failed:
 641         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 642         clear_bit(HCI_RUNNING, &hdev->flags);
 643         usb_autopm_put_interface(data->intf);
 644         return err;
 645 }
 646
 647 static void btusb_stop_traffic(struct btusb_data *data)
 648 {
 649         usb_kill_anchored_urbs(&data->intr_anchor);
 650         usb_kill_anchored_urbs(&data->bulk_anchor);
 651         usb_kill_anchored_urbs(&data->isoc_anchor);
 652 }
 653
 654 static int btusb_close(struct hci_dev *hdev)
 655 {
 656         struct btusb_data *data = hci_get_drvdata(hdev);
 657         int err;
 658
 659         BT_DBG("%s", hdev->name);
 660
 661         if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
 662                 return 0;
 663
 664         cancel_work_sync(&data->work);
 665         cancel_work_sync(&data->waker);
 666
 667         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 668         clear_bit(BTUSB_BULK_RUNNING, &data->flags);
 669         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 670
 671         btusb_stop_traffic(data);
 672         err = usb_autopm_get_interface(data->intf);
 673         if (err < 0)
 674                 goto failed;
 675
 676         data->intf->needs_remote_wakeup = 0;
 677         usb_autopm_put_interface(data->intf);
 678
 679 failed:
 680         usb_scuttle_anchored_urbs(&data->deferred);
 681         return 0;
 682 }
 683
 684 static int btusb_flush(struct hci_dev *hdev)
 685 {
 686         struct btusb_data *data = hci_get_drvdata(hdev);
 687
 688         BT_DBG("%s", hdev->name);
 689
 690         usb_kill_anchored_urbs(&data->tx_anchor);
 691
 692         return 0;
 693 }
 694
 695 static int btusb_send_frame(struct sk_buff *skb)
 696 {
 697         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 698         struct btusb_data *data = hci_get_drvdata(hdev);
 699         struct usb_ctrlrequest *dr;
 700         struct urb *urb;
 701         unsigned int pipe;
 702         int err;
 703
 704         BT_DBG("%s", hdev->name);
 705
 706         if (!test_bit(HCI_RUNNING, &hdev->flags))
 707                 return -EBUSY;
 708
 709         switch (bt_cb(skb)->pkt_type) {
 710         case HCI_COMMAND_PKT:
 711                 urb = usb_alloc_urb(0, GFP_ATOMIC);
 712                 if (!urb)
 713                         return -ENOMEM;
 714
 715                 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
 716                 if (!dr) {
 717                         usb_free_urb(urb);
 718                         return -ENOMEM;
 719                 }
 720
 721                 dr->bRequestType = data->cmdreq_type;
 722                 dr->bRequest     = 0;
 723                 dr->wIndex       = 0;
 724                 dr->wValue       = 0;
 725                 dr->wLength      = __cpu_to_le16(skb->len);
 726
 727                 pipe = usb_sndctrlpipe(data->udev, 0x00);
 728
 729                 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
 730                                 skb->data, skb->len, btusb_tx_complete, skb);
 731
 732                 hdev->stat.cmd_tx++;
 733                 break;
 734
 735         case HCI_ACLDATA_PKT:
 736                 if (!data->bulk_tx_ep)
 737                         return -ENODEV;
 738
 739                 urb = usb_alloc_urb(0, GFP_ATOMIC);
 740                 if (!urb)
 741                         return -ENOMEM;
 742
 743                 pipe = usb_sndbulkpipe(data->udev,
 744                                         data->bulk_tx_ep->bEndpointAddress);
 745
 746                 usb_fill_bulk_urb(urb, data->udev, pipe,
 747                                 skb->data, skb->len, btusb_tx_complete, skb);
 748
 749                 hdev->stat.acl_tx++;
 750                 break;
 751
 752         case HCI_SCODATA_PKT:
 753                 if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
 754                         return -ENODEV;
 755
 756                 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
 757                 if (!urb)
 758                         return -ENOMEM;
 759
 760                 pipe = usb_sndisocpipe(data->udev,
 761                                         data->isoc_tx_ep->bEndpointAddress);
 762
 763                 usb_fill_int_urb(urb, data->udev, pipe,
 764                                 skb->data, skb->len, btusb_isoc_tx_complete,
 765                                 skb, data->isoc_tx_ep->bInterval);
 766
 767                 urb->transfer_flags  = URB_ISO_ASAP;
 768
 769                 __fill_isoc_descriptor(urb, skb->len,
 770                                 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
 771
 772                 hdev->stat.sco_tx++;
 773                 goto skip_waking;
 774
 775         default:
 776                 return -EILSEQ;
 777         }
 778
 779         err = inc_tx(data);
 780         if (err) {
 781                 usb_anchor_urb(urb, &data->deferred);
 782                 schedule_work(&data->waker);
 783                 err = 0;
 784                 goto done;
 785         }
 786
 787 skip_waking:
 788         usb_anchor_urb(urb, &data->tx_anchor);
 789
 790         err = usb_submit_urb(urb, GFP_ATOMIC);
 791         if (err < 0) {
 792                 if (err != -EPERM && err != -ENODEV)
 793                         BT_ERR("%s urb %p submission failed (%d)",
 794                                                 hdev->name, urb, -err);
 795                 kfree(urb->setup_packet);
 796                 usb_unanchor_urb(urb);
 797         } else {
 798                 usb_mark_last_busy(data->udev);
 799         }
 800
 801 done:
 802         usb_free_urb(urb);
 803         return err;
 804 }
 805
 806 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
 807 {
 808         struct btusb_data *data = hci_get_drvdata(hdev);
 809
 810         BT_DBG("%s evt %d", hdev->name, evt);
 811
 812         if (hdev->conn_hash.sco_num != data->sco_num) {
 813                 data->sco_num = hdev->conn_hash.sco_num;
 814                 schedule_work(&data->work);
 815         }
 816 }
 817
 818 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
 819 {
 820         struct btusb_data *data = hci_get_drvdata(hdev);
 821         struct usb_interface *intf = data->isoc;
 822         struct usb_endpoint_descriptor *ep_desc;
 823         int i, err;
 824
 825         if (!data->isoc)
 826                 return -ENODEV;
 827
 828         err = usb_set_interface(data->udev, 1, altsetting);
 829         if (err < 0) {
 830                 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
 831                 return err;
 832         }
 833
 834         data->isoc_altsetting = altsetting;
 835
 836         data->isoc_tx_ep = NULL;
 837         data->isoc_rx_ep = NULL;
 838
 839         for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
 840                 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
 841
 842                 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
 843                         data->isoc_tx_ep = ep_desc;
 844                         continue;
 845                 }
 846
 847                 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
 848                         data->isoc_rx_ep = ep_desc;
 849                         continue;
 850                 }
 851         }
 852
 853         if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
 854                 BT_ERR("%s invalid SCO descriptors", hdev->name);
 855                 return -ENODEV;
 856         }
 857
 858         return 0;
 859 }
 860
 861 static void btusb_work(struct work_struct *work)
 862 {
 863         struct btusb_data *data = container_of(work, struct btusb_data, work);
 864         struct hci_dev *hdev = data->hdev;
 865         int new_alts;
 866         int err;
 867
 868         if (hdev->conn_hash.sco_num > 0) {
 869                 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
 870                         err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
 871                         if (err < 0) {
 872                                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 873                                 usb_kill_anchored_urbs(&data->isoc_anchor);
 874                                 return;
 875                         }
 876
 877                         set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
 878                 }
 879
 880                 if (hdev->voice_setting & 0x0020) {
 881                         static const int alts[3] = { 2, 4, 5 };
 882                         new_alts = alts[hdev->conn_hash.sco_num - 1];
 883                 } else {
 884                         new_alts = hdev->conn_hash.sco_num;
 885                 }
 886
 887                 if (data->isoc_altsetting != new_alts) {
 888                         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 889                         usb_kill_anchored_urbs(&data->isoc_anchor);
 890
 891                         if (__set_isoc_interface(hdev, new_alts) < 0)
 892                                 return;
 893                 }
 894
 895                 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
 896                         if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
 897                                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 898                         else
 899                                 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
 900                 }
 901         } else {
 902                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 903                 usb_kill_anchored_urbs(&data->isoc_anchor);
 904
 905                 __set_isoc_interface(hdev, 0);
 906                 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
 907                         usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
 908         }
 909 }
 910
 911 static void btusb_waker(struct work_struct *work)
 912 {
 913         struct btusb_data *data = container_of(work, struct btusb_data, waker);
 914         int err;
 915
 916         err = usb_autopm_get_interface(data->intf);
 917         if (err < 0)
 918                 return;
 919
 920         usb_autopm_put_interface(data->intf);
 921 }
 922
 923 static int btusb_probe(struct usb_interface *intf,
 924                                 const struct usb_device_id *id)
 925 {
 926         struct usb_endpoint_descriptor *ep_desc;
 927         struct btusb_data *data;
 928         struct hci_dev *hdev;
 929         int i, err;
 930
 931         BT_DBG("intf %p id %p", intf, id);
 932
 933         /* interface numbers are hardcoded in the spec */
 934         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 935                 return -ENODEV;
 936
 937         if (!id->driver_info) {
 938                 const struct usb_device_id *match;
 939                 match = usb_match_id(intf, blacklist_table);
 940                 if (match)
 941                         id = match;
 942         }
 943
 944         if (id->driver_info == BTUSB_IGNORE)
 945                 return -ENODEV;
 946
 947         if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
 948                 return -ENODEV;
 949
 950         if (ignore_csr && id->driver_info & BTUSB_CSR)
 951                 return -ENODEV;
 952
 953         if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
 954                 return -ENODEV;
 955
 956         if (id->driver_info & BTUSB_ATH3012) {
 957                 struct usb_device *udev = interface_to_usbdev(intf);
 958
 959                 /* Old firmware would otherwise let ath3k driver load
 960                  * patch and sysconfig files */
 961                 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
 962                         return -ENODEV;
 963         }
 964
 965         data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
 966         if (!data)
 967                 return -ENOMEM;
 968
 969         for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
 970                 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
 971
 972                 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
 973                         data->intr_ep = ep_desc;
 974                         continue;
 975                 }
 976
 977                 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
 978                         data->bulk_tx_ep = ep_desc;
 979                         continue;
 980                 }
 981
 982                 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
 983                         data->bulk_rx_ep = ep_desc;
 984                         continue;
 985                 }
 986         }
 987
 988         if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
 989                 return -ENODEV;
 990
 991         data->cmdreq_type = USB_TYPE_CLASS;
 992
 993         data->udev = interface_to_usbdev(intf);
 994         data->intf = intf;
 995
 996         spin_lock_init(&data->lock);
 997
 998         INIT_WORK(&data->work, btusb_work);
 999         INIT_WORK(&data->waker, btusb_waker);
1000         spin_lock_init(&data->txlock);
1001
1002         init_usb_anchor(&data->tx_anchor);
1003         init_usb_anchor(&data->intr_anchor);
1004         init_usb_anchor(&data->bulk_anchor);
1005         init_usb_anchor(&data->isoc_anchor);
1006         init_usb_anchor(&data->deferred);
1007
1008         hdev = hci_alloc_dev();
1009         if (!hdev)
1010                 return -ENOMEM;
1011
1012         hdev->bus = HCI_USB;
1013         hci_set_drvdata(hdev, data);
1014
1015         data->hdev = hdev;
1016
1017         SET_HCIDEV_DEV(hdev, &intf->dev);
1018
1019         hdev->open     = btusb_open;
1020         hdev->close    = btusb_close;
1021         hdev->flush    = btusb_flush;
1022         hdev->send     = btusb_send_frame;
1023         hdev->notify   = btusb_notify;
1024
1025         /* Interface numbers are hardcoded in the specification */
1026         data->isoc = usb_ifnum_to_if(data->udev, 1);
1027
1028         if (!reset)
1029                 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1030
1031         if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1032                 if (!disable_scofix)
1033                         set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1034         }
1035
1036         if (id->driver_info & BTUSB_BROKEN_ISOC)
1037                 data->isoc = NULL;
1038
1039         if (id->driver_info & BTUSB_DIGIANSWER) {
1040                 data->cmdreq_type = USB_TYPE_VENDOR;
1041                 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1042         }
1043
1044         if (id->driver_info & BTUSB_CSR) {
1045                 struct usb_device *udev = data->udev;
1046
1047                 /* Old firmware would otherwise execute USB reset */
1048                 if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
1049                         set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1050         }
1051
1052         if (id->driver_info & BTUSB_SNIFFER) {
1053                 struct usb_device *udev = data->udev;
1054
1055                 /* New sniffer firmware has crippled HCI interface */
1056                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1057                         set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
1058
1059                 data->isoc = NULL;
1060         }
1061
1062         if (id->driver_info & BTUSB_BCM92035) {
1063                 unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 };
1064                 struct sk_buff *skb;
1065
1066                 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
1067                 if (skb) {
1068                         memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
1069                         skb_queue_tail(&hdev->driver_init, skb);
1070                 }
1071         }
1072
1073         if (data->isoc) {
1074                 err = usb_driver_claim_interface(&btusb_driver,
1075                                                         data->isoc, data);
1076                 if (err < 0) {
1077                         hci_free_dev(hdev);
1078                         return err;
1079                 }
1080         }
1081
1082         err = hci_register_dev(hdev);
1083         if (err < 0) {
1084                 hci_free_dev(hdev);
1085                 return err;
1086         }
1087
1088         usb_set_intfdata(intf, data);
1089
1090         return 0;
1091 }
1092
1093 static void btusb_disconnect(struct usb_interface *intf)
1094 {
1095         struct btusb_data *data = usb_get_intfdata(intf);
1096         struct hci_dev *hdev;
1097
1098         BT_DBG("intf %p", intf);
1099
1100         if (!data)
1101                 return;
1102
1103         hdev = data->hdev;
1104         usb_set_intfdata(data->intf, NULL);
1105
1106         if (data->isoc)
1107                 usb_set_intfdata(data->isoc, NULL);
1108
1109         hci_unregister_dev(hdev);
1110
1111         if (intf == data->isoc)
1112                 usb_driver_release_interface(&btusb_driver, data->intf);
1113         else if (data->isoc)
1114                 usb_driver_release_interface(&btusb_driver, data->isoc);
1115
1116         hci_free_dev(hdev);
1117 }
1118
1119 #ifdef CONFIG_PM
1120 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1121 {
1122         struct btusb_data *data = usb_get_intfdata(intf);
1123
1124         BT_DBG("intf %p", intf);
1125
1126         if (data->suspend_count++)
1127                 return 0;
1128
1129         spin_lock_irq(&data->txlock);
1130         if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
1131                 set_bit(BTUSB_SUSPENDING, &data->flags);
1132                 spin_unlock_irq(&data->txlock);
1133         } else {
1134                 spin_unlock_irq(&data->txlock);
1135                 data->suspend_count--;
1136                 return -EBUSY;
1137         }
1138
1139         cancel_work_sync(&data->work);
1140
1141         btusb_stop_traffic(data);
1142         usb_kill_anchored_urbs(&data->tx_anchor);
1143
1144         return 0;
1145 }
1146
1147 static void play_deferred(struct btusb_data *data)
1148 {
1149         struct urb *urb;
1150         int err;
1151
1152         while ((urb = usb_get_from_anchor(&data->deferred))) {
1153                 err = usb_submit_urb(urb, GFP_ATOMIC);
1154                 if (err < 0)
1155                         break;
1156
1157                 data->tx_in_flight++;
1158         }
1159         usb_scuttle_anchored_urbs(&data->deferred);
1160 }
1161
1162 static int btusb_resume(struct usb_interface *intf)
1163 {
1164         struct btusb_data *data = usb_get_intfdata(intf);
1165         struct hci_dev *hdev = data->hdev;
1166         int err = 0;
1167
1168         BT_DBG("intf %p", intf);
1169
1170         if (--data->suspend_count)
1171                 return 0;
1172
1173         if (!test_bit(HCI_RUNNING, &hdev->flags))
1174                 goto done;
1175
1176         if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1177                 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1178                 if (err < 0) {
1179                         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1180                         goto failed;
1181                 }
1182         }
1183
1184         if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
1185                 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1186                 if (err < 0) {
1187                         clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1188                         goto failed;
1189                 }
1190
1191                 btusb_submit_bulk_urb(hdev, GFP_NOIO);
1192         }
1193
1194         if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1195                 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1196                         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1197                 else
1198                         btusb_submit_isoc_urb(hdev, GFP_NOIO);
1199         }
1200
1201         spin_lock_irq(&data->txlock);
1202         play_deferred(data);
1203         clear_bit(BTUSB_SUSPENDING, &data->flags);
1204         spin_unlock_irq(&data->txlock);
1205         schedule_work(&data->work);
1206
1207         return 0;
1208
1209 failed:
1210         usb_scuttle_anchored_urbs(&data->deferred);
1211 done:
1212         spin_lock_irq(&data->txlock);
1213         clear_bit(BTUSB_SUSPENDING, &data->flags);
1214         spin_unlock_irq(&data->txlock);
1215
1216         return err;
1217 }
1218 #endif
1219
1220 static struct usb_driver btusb_driver = {
1221         .name           = "btusb",
1222         .probe          = btusb_probe,
1223         .disconnect     = btusb_disconnect,
1224 #ifdef CONFIG_PM
1225         .suspend        = btusb_suspend,
1226         .resume         = btusb_resume,
1227 #endif
1228         .id_table       = btusb_table,
1229         .supports_autosuspend = 1,
1230         .disable_hub_initiated_lpm = 1,
1231 };
1232
1233 module_usb_driver(btusb_driver);
1234
1235 module_param(ignore_dga, bool, 0644);
1236 MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1237
1238 module_param(ignore_csr, bool, 0644);
1239 MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1240
1241 module_param(ignore_sniffer, bool, 0644);
1242 MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1243
1244 module_param(disable_scofix, bool, 0644);
1245 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1246
1247 module_param(force_scofix, bool, 0644);
1248 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1249
1250 module_param(reset, bool, 0644);
1251 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1252
1253 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1254 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1255 MODULE_VERSION(VERSION);
1256 MODULE_LICENSE("GPL");