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         /* Broadcom SoftSailing reporting vendor specific */
  56         { USB_DEVICE(0x0a5c, 0x21e1) },
  57
  58         /* Apple MacBookPro 7,1 */
  59         { USB_DEVICE(0x05ac, 0x8213) },
  60
  61         /* Apple iMac11,1 */
  62         { USB_DEVICE(0x05ac, 0x8215) },
  63
  64         /* Apple MacBookPro6,2 */
  65         { USB_DEVICE(0x05ac, 0x8218) },
  66
  67         /* Apple MacBookAir3,1, MacBookAir3,2 */
  68         { USB_DEVICE(0x05ac, 0x821b) },
  69
  70         /* Apple MacBookAir4,1 */
  71         { USB_DEVICE(0x05ac, 0x821f) },
  72
  73         /* Apple MacBookPro8,2 */
  74         { USB_DEVICE(0x05ac, 0x821a) },
  75
  76         /* Apple MacMini5,1 */
  77         { USB_DEVICE(0x05ac, 0x8281) },
  78
  79         /* AVM BlueFRITZ! USB v2.0 */
  80         { USB_DEVICE(0x057c, 0x3800) },
  81
  82         /* Bluetooth Ultraport Module from IBM */
  83         { USB_DEVICE(0x04bf, 0x030a) },
  84
  85         /* ALPS Modules with non-standard id */
  86         { USB_DEVICE(0x044e, 0x3001) },
  87         { USB_DEVICE(0x044e, 0x3002) },
  88
  89         /* Ericsson with non-standard id */
  90         { USB_DEVICE(0x0bdb, 0x1002) },
  91
  92         /* Canyon CN-BTU1 with HID interfaces */
  93         { USB_DEVICE(0x0c10, 0x0000) },
  94
  95         /* Broadcom BCM20702A0 */
  96         { USB_DEVICE(0x0489, 0xe042) },
  97         { USB_DEVICE(0x0a5c, 0x21e3) },
  98         { USB_DEVICE(0x0a5c, 0x21e6) },
  99         { USB_DEVICE(0x0a5c, 0x21e8) },
 100         { USB_DEVICE(0x0a5c, 0x21f3) },
 101         { USB_DEVICE(0x413c, 0x8197) },
 102
 103         /* Foxconn - Hon Hai */
 104         { USB_DEVICE(0x0489, 0xe033) },
 105
 106         { }     /* Terminating entry */
 107 };
 108
 109 MODULE_DEVICE_TABLE(usb, btusb_table);
 110
 111 static struct usb_device_id blacklist_table[] = {
 112         /* CSR BlueCore devices */
 113         { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
 114
 115         /* Broadcom BCM2033 without firmware */
 116         { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
 117
 118         /* Atheros 3011 with sflash firmware */
 119         { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
 120         { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
 121         { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
 122         { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
 123
 124         /* Atheros AR9285 Malbec with sflash firmware */
 125         { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
 126
 127         /* Atheros 3012 with sflash firmware */
 128         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 129         { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
 130         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 131         { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 132         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 133         { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 134
 135         /* Atheros AR5BBU12 with sflash firmware */
 136         { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
 137
 138         /* Atheros AR5BBU12 with sflash firmware */
 139         { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
 140
 141         /* Broadcom BCM2035 */
 142         { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
 143         { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
 144         { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
 145
 146         /* Broadcom BCM2045 */
 147         { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
 148         { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
 149
 150         /* IBM/Lenovo ThinkPad with Broadcom chip */
 151         { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
 152         { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
 153
 154         /* HP laptop with Broadcom chip */
 155         { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
 156
 157         /* Dell laptop with Broadcom chip */
 158         { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
 159
 160         /* Dell Wireless 370 and 410 devices */
 161         { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
 162         { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
 163
 164         /* Belkin F8T012 and F8T013 devices */
 165         { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
 166         { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
 167
 168         /* Asus WL-BTD202 device */
 169         { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
 170
 171         /* Kensington Bluetooth USB adapter */
 172         { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
 173
 174         /* RTX Telecom based adapters with buggy SCO support */
 175         { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
 176         { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
 177
 178         /* CONWISE Technology based adapters with buggy SCO support */
 179         { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
 180
 181         /* Digianswer devices */
 182         { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
 183         { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
 184
 185         /* CSR BlueCore Bluetooth Sniffer */
 186         { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER },
 187
 188         /* Frontline ComProbe Bluetooth Sniffer */
 189         { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER },
 190
 191         { }     /* Terminating entry */
 192 };
 193
 194 #define BTUSB_MAX_ISOC_FRAMES   10
 195
 196 #define BTUSB_INTR_RUNNING      0
 197 #define BTUSB_BULK_RUNNING      1
 198 #define BTUSB_ISOC_RUNNING      2
 199 #define BTUSB_SUSPENDING        3
 200 #define BTUSB_DID_ISO_RESUME    4
 201
 202 struct btusb_data {
 203         struct hci_dev       *hdev;
 204         struct usb_device    *udev;
 205         struct usb_interface *intf;
 206         struct usb_interface *isoc;
 207
 208         spinlock_t lock;
 209
 210         unsigned long flags;
 211
 212         struct work_struct work;
 213         struct work_struct waker;
 214
 215         struct usb_anchor tx_anchor;
 216         struct usb_anchor intr_anchor;
 217         struct usb_anchor bulk_anchor;
 218         struct usb_anchor isoc_anchor;
 219         struct usb_anchor deferred;
 220         int tx_in_flight;
 221         spinlock_t txlock;
 222
 223         struct usb_endpoint_descriptor *intr_ep;
 224         struct usb_endpoint_descriptor *bulk_tx_ep;
 225         struct usb_endpoint_descriptor *bulk_rx_ep;
 226         struct usb_endpoint_descriptor *isoc_tx_ep;
 227         struct usb_endpoint_descriptor *isoc_rx_ep;
 228
 229         __u8 cmdreq_type;
 230
 231         unsigned int sco_num;
 232         int isoc_altsetting;
 233         int suspend_count;
 234 };
 235
 236 static int inc_tx(struct btusb_data *data)
 237 {
 238         unsigned long flags;
 239         int rv;
 240
 241         spin_lock_irqsave(&data->txlock, flags);
 242         rv = test_bit(BTUSB_SUSPENDING, &data->flags);
 243         if (!rv)
 244                 data->tx_in_flight++;
 245         spin_unlock_irqrestore(&data->txlock, flags);
 246
 247         return rv;
 248 }
 249
 250 static void btusb_intr_complete(struct urb *urb)
 251 {
 252         struct hci_dev *hdev = urb->context;
 253         struct btusb_data *data = hci_get_drvdata(hdev);
 254         int err;
 255
 256         BT_DBG("%s urb %p status %d count %d", hdev->name,
 257                                         urb, urb->status, urb->actual_length);
 258
 259         if (!test_bit(HCI_RUNNING, &hdev->flags))
 260                 return;
 261
 262         if (urb->status == 0) {
 263                 hdev->stat.byte_rx += urb->actual_length;
 264
 265                 if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
 266                                                 urb->transfer_buffer,
 267                                                 urb->actual_length) < 0) {
 268                         BT_ERR("%s corrupted event packet", hdev->name);
 269                         hdev->stat.err_rx++;
 270                 }
 271         }
 272
 273         if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
 274                 return;
 275
 276         usb_mark_last_busy(data->udev);
 277         usb_anchor_urb(urb, &data->intr_anchor);
 278
 279         err = usb_submit_urb(urb, GFP_ATOMIC);
 280         if (err < 0) {
 281                 /* -EPERM: urb is being killed;
 282                  * -ENODEV: device got disconnected */
 283                 if (err != -EPERM && err != -ENODEV)
 284                         BT_ERR("%s urb %p failed to resubmit (%d)",
 285                                                 hdev->name, urb, -err);
 286                 usb_unanchor_urb(urb);
 287         }
 288 }
 289
 290 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
 291 {
 292         struct btusb_data *data = hci_get_drvdata(hdev);
 293         struct urb *urb;
 294         unsigned char *buf;
 295         unsigned int pipe;
 296         int err, size;
 297
 298         BT_DBG("%s", hdev->name);
 299
 300         if (!data->intr_ep)
 301                 return -ENODEV;
 302
 303         urb = usb_alloc_urb(0, mem_flags);
 304         if (!urb)
 305                 return -ENOMEM;
 306
 307         size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
 308
 309         buf = kmalloc(size, mem_flags);
 310         if (!buf) {
 311                 usb_free_urb(urb);
 312                 return -ENOMEM;
 313         }
 314
 315         pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
 316
 317         usb_fill_int_urb(urb, data->udev, pipe, buf, size,
 318                                                 btusb_intr_complete, hdev,
 319                                                 data->intr_ep->bInterval);
 320
 321         urb->transfer_flags |= URB_FREE_BUFFER;
 322
 323         usb_anchor_urb(urb, &data->intr_anchor);
 324
 325         err = usb_submit_urb(urb, mem_flags);
 326         if (err < 0) {
 327                 if (err != -EPERM && err != -ENODEV)
 328                         BT_ERR("%s urb %p submission failed (%d)",
 329                                                 hdev->name, urb, -err);
 330                 usb_unanchor_urb(urb);
 331         }
 332
 333         usb_free_urb(urb);
 334
 335         return err;
 336 }
 337
 338 static void btusb_bulk_complete(struct urb *urb)
 339 {
 340         struct hci_dev *hdev = urb->context;
 341         struct btusb_data *data = hci_get_drvdata(hdev);
 342         int err;
 343
 344         BT_DBG("%s urb %p status %d count %d", hdev->name,
 345                                         urb, urb->status, urb->actual_length);
 346
 347         if (!test_bit(HCI_RUNNING, &hdev->flags))
 348                 return;
 349
 350         if (urb->status == 0) {
 351                 hdev->stat.byte_rx += urb->actual_length;
 352
 353                 if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
 354                                                 urb->transfer_buffer,
 355                                                 urb->actual_length) < 0) {
 356                         BT_ERR("%s corrupted ACL packet", hdev->name);
 357                         hdev->stat.err_rx++;
 358                 }
 359         }
 360
 361         if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
 362                 return;
 363
 364         usb_anchor_urb(urb, &data->bulk_anchor);
 365         usb_mark_last_busy(data->udev);
 366
 367         err = usb_submit_urb(urb, GFP_ATOMIC);
 368         if (err < 0) {
 369                 /* -EPERM: urb is being killed;
 370                  * -ENODEV: device got disconnected */
 371                 if (err != -EPERM && err != -ENODEV)
 372                         BT_ERR("%s urb %p failed to resubmit (%d)",
 373                                                 hdev->name, urb, -err);
 374                 usb_unanchor_urb(urb);
 375         }
 376 }
 377
 378 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
 379 {
 380         struct btusb_data *data = hci_get_drvdata(hdev);
 381         struct urb *urb;
 382         unsigned char *buf;
 383         unsigned int pipe;
 384         int err, size = HCI_MAX_FRAME_SIZE;
 385
 386         BT_DBG("%s", hdev->name);
 387
 388         if (!data->bulk_rx_ep)
 389                 return -ENODEV;
 390
 391         urb = usb_alloc_urb(0, mem_flags);
 392         if (!urb)
 393                 return -ENOMEM;
 394
 395         buf = kmalloc(size, mem_flags);
 396         if (!buf) {
 397                 usb_free_urb(urb);
 398                 return -ENOMEM;
 399         }
 400
 401         pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
 402
 403         usb_fill_bulk_urb(urb, data->udev, pipe,
 404                                         buf, size, btusb_bulk_complete, hdev);
 405
 406         urb->transfer_flags |= URB_FREE_BUFFER;
 407
 408         usb_mark_last_busy(data->udev);
 409         usb_anchor_urb(urb, &data->bulk_anchor);
 410
 411         err = usb_submit_urb(urb, mem_flags);
 412         if (err < 0) {
 413                 if (err != -EPERM && err != -ENODEV)
 414                         BT_ERR("%s urb %p submission failed (%d)",
 415                                                 hdev->name, urb, -err);
 416                 usb_unanchor_urb(urb);
 417         }
 418
 419         usb_free_urb(urb);
 420
 421         return err;
 422 }
 423
 424 static void btusb_isoc_complete(struct urb *urb)
 425 {
 426         struct hci_dev *hdev = urb->context;
 427         struct btusb_data *data = hci_get_drvdata(hdev);
 428         int i, err;
 429
 430         BT_DBG("%s urb %p status %d count %d", hdev->name,
 431                                         urb, urb->status, urb->actual_length);
 432
 433         if (!test_bit(HCI_RUNNING, &hdev->flags))
 434                 return;
 435
 436         if (urb->status == 0) {
 437                 for (i = 0; i < urb->number_of_packets; i++) {
 438                         unsigned int offset = urb->iso_frame_desc[i].offset;
 439                         unsigned int length = urb->iso_frame_desc[i].actual_length;
 440
 441                         if (urb->iso_frame_desc[i].status)
 442                                 continue;
 443
 444                         hdev->stat.byte_rx += length;
 445
 446                         if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
 447                                                 urb->transfer_buffer + offset,
 448                                                                 length) < 0) {
 449                                 BT_ERR("%s corrupted SCO packet", hdev->name);
 450                                 hdev->stat.err_rx++;
 451                         }
 452                 }
 453         }
 454
 455         if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
 456                 return;
 457
 458         usb_anchor_urb(urb, &data->isoc_anchor);
 459
 460         err = usb_submit_urb(urb, GFP_ATOMIC);
 461         if (err < 0) {
 462                 /* -EPERM: urb is being killed;
 463                  * -ENODEV: device got disconnected */
 464                 if (err != -EPERM && err != -ENODEV)
 465                         BT_ERR("%s urb %p failed to resubmit (%d)",
 466                                                 hdev->name, urb, -err);
 467                 usb_unanchor_urb(urb);
 468         }
 469 }
 470
 471 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
 472 {
 473         int i, offset = 0;
 474
 475         BT_DBG("len %d mtu %d", len, mtu);
 476
 477         for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
 478                                         i++, offset += mtu, len -= mtu) {
 479                 urb->iso_frame_desc[i].offset = offset;
 480                 urb->iso_frame_desc[i].length = mtu;
 481         }
 482
 483         if (len && i < BTUSB_MAX_ISOC_FRAMES) {
 484                 urb->iso_frame_desc[i].offset = offset;
 485                 urb->iso_frame_desc[i].length = len;
 486                 i++;
 487         }
 488
 489         urb->number_of_packets = i;
 490 }
 491
 492 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
 493 {
 494         struct btusb_data *data = hci_get_drvdata(hdev);
 495         struct urb *urb;
 496         unsigned char *buf;
 497         unsigned int pipe;
 498         int err, size;
 499
 500         BT_DBG("%s", hdev->name);
 501
 502         if (!data->isoc_rx_ep)
 503                 return -ENODEV;
 504
 505         urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
 506         if (!urb)
 507                 return -ENOMEM;
 508
 509         size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
 510                                                 BTUSB_MAX_ISOC_FRAMES;
 511
 512         buf = kmalloc(size, mem_flags);
 513         if (!buf) {
 514                 usb_free_urb(urb);
 515                 return -ENOMEM;
 516         }
 517
 518         pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
 519
 520         usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
 521                                 hdev, data->isoc_rx_ep->bInterval);
 522
 523         urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
 524
 525         __fill_isoc_descriptor(urb, size,
 526                         le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
 527
 528         usb_anchor_urb(urb, &data->isoc_anchor);
 529
 530         err = usb_submit_urb(urb, mem_flags);
 531         if (err < 0) {
 532                 if (err != -EPERM && err != -ENODEV)
 533                         BT_ERR("%s urb %p submission failed (%d)",
 534                                                 hdev->name, urb, -err);
 535                 usb_unanchor_urb(urb);
 536         }
 537
 538         usb_free_urb(urb);
 539
 540         return err;
 541 }
 542
 543 static void btusb_tx_complete(struct urb *urb)
 544 {
 545         struct sk_buff *skb = urb->context;
 546         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 547         struct btusb_data *data = hci_get_drvdata(hdev);
 548
 549         BT_DBG("%s urb %p status %d count %d", hdev->name,
 550                                         urb, urb->status, urb->actual_length);
 551
 552         if (!test_bit(HCI_RUNNING, &hdev->flags))
 553                 goto done;
 554
 555         if (!urb->status)
 556                 hdev->stat.byte_tx += urb->transfer_buffer_length;
 557         else
 558                 hdev->stat.err_tx++;
 559
 560 done:
 561         spin_lock(&data->txlock);
 562         data->tx_in_flight--;
 563         spin_unlock(&data->txlock);
 564
 565         kfree(urb->setup_packet);
 566
 567         kfree_skb(skb);
 568 }
 569
 570 static void btusb_isoc_tx_complete(struct urb *urb)
 571 {
 572         struct sk_buff *skb = urb->context;
 573         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 574
 575         BT_DBG("%s urb %p status %d count %d", hdev->name,
 576                                         urb, urb->status, urb->actual_length);
 577
 578         if (!test_bit(HCI_RUNNING, &hdev->flags))
 579                 goto done;
 580
 581         if (!urb->status)
 582                 hdev->stat.byte_tx += urb->transfer_buffer_length;
 583         else
 584                 hdev->stat.err_tx++;
 585
 586 done:
 587         kfree(urb->setup_packet);
 588
 589         kfree_skb(skb);
 590 }
 591
 592 static int btusb_open(struct hci_dev *hdev)
 593 {
 594         struct btusb_data *data = hci_get_drvdata(hdev);
 595         int err;
 596
 597         BT_DBG("%s", hdev->name);
 598
 599         err = usb_autopm_get_interface(data->intf);
 600         if (err < 0)
 601                 return err;
 602
 603         data->intf->needs_remote_wakeup = 1;
 604
 605         if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
 606                 goto done;
 607
 608         if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
 609                 goto done;
 610
 611         err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
 612         if (err < 0)
 613                 goto failed;
 614
 615         err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
 616         if (err < 0) {
 617                 usb_kill_anchored_urbs(&data->intr_anchor);
 618                 goto failed;
 619         }
 620
 621         set_bit(BTUSB_BULK_RUNNING, &data->flags);
 622         btusb_submit_bulk_urb(hdev, GFP_KERNEL);
 623
 624 done:
 625         usb_autopm_put_interface(data->intf);
 626         return 0;
 627
 628 failed:
 629         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 630         clear_bit(HCI_RUNNING, &hdev->flags);
 631         usb_autopm_put_interface(data->intf);
 632         return err;
 633 }
 634
 635 static void btusb_stop_traffic(struct btusb_data *data)
 636 {
 637         usb_kill_anchored_urbs(&data->intr_anchor);
 638         usb_kill_anchored_urbs(&data->bulk_anchor);
 639         usb_kill_anchored_urbs(&data->isoc_anchor);
 640 }
 641
 642 static int btusb_close(struct hci_dev *hdev)
 643 {
 644         struct btusb_data *data = hci_get_drvdata(hdev);
 645         int err;
 646
 647         BT_DBG("%s", hdev->name);
 648
 649         if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
 650                 return 0;
 651
 652         cancel_work_sync(&data->work);
 653         cancel_work_sync(&data->waker);
 654
 655         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 656         clear_bit(BTUSB_BULK_RUNNING, &data->flags);
 657         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
 658
 659         btusb_stop_traffic(data);
 660         err = usb_autopm_get_interface(data->intf);
 661         if (err < 0)
 662                 goto failed;
 663
 664         data->intf->needs_remote_wakeup = 0;
 665         usb_autopm_put_interface(data->intf);
 666
 667 failed:
 668         usb_scuttle_anchored_urbs(&data->deferred);
 669         return 0;
 670 }
 671
 672 static int btusb_flush(struct hci_dev *hdev)
 673 {
 674         struct btusb_data *data = hci_get_drvdata(hdev);
 675
 676         BT_DBG("%s", hdev->name);
 677
 678         usb_kill_anchored_urbs(&data->tx_anchor);
 679
 680         return 0;
 681 }
 682
 683 static int btusb_send_frame(struct sk_buff *skb)
 684 {
 685         struct hci_dev *hdev = (struct hci_dev *) skb->dev;
 686         struct btusb_data *data = hci_get_drvdata(hdev);
 687         struct usb_ctrlrequest *dr;
 688         struct urb *urb;
 689         unsigned int pipe;
 690         int err;
 691
 692         BT_DBG("%s", hdev->name);
 693
 694         if (!test_bit(HCI_RUNNING, &hdev->flags))
 695                 return -EBUSY;
 696
 697         switch (bt_cb(skb)->pkt_type) {
 698         case HCI_COMMAND_PKT:
 699                 urb = usb_alloc_urb(0, GFP_ATOMIC);
 700                 if (!urb)
 701                         return -ENOMEM;
 702
 703                 dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
 704                 if (!dr) {
 705                         usb_free_urb(urb);
 706                         return -ENOMEM;
 707                 }
 708
 709                 dr->bRequestType = data->cmdreq_type;
 710                 dr->bRequest     = 0;
 711                 dr->wIndex       = 0;
 712                 dr->wValue       = 0;
 713                 dr->wLength      = __cpu_to_le16(skb->len);
 714
 715                 pipe = usb_sndctrlpipe(data->udev, 0x00);
 716
 717                 usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
 718                                 skb->data, skb->len, btusb_tx_complete, skb);
 719
 720                 hdev->stat.cmd_tx++;
 721                 break;
 722
 723         case HCI_ACLDATA_PKT:
 724                 if (!data->bulk_tx_ep)
 725                         return -ENODEV;
 726
 727                 urb = usb_alloc_urb(0, GFP_ATOMIC);
 728                 if (!urb)
 729                         return -ENOMEM;
 730
 731                 pipe = usb_sndbulkpipe(data->udev,
 732                                         data->bulk_tx_ep->bEndpointAddress);
 733
 734                 usb_fill_bulk_urb(urb, data->udev, pipe,
 735                                 skb->data, skb->len, btusb_tx_complete, skb);
 736
 737                 hdev->stat.acl_tx++;
 738                 break;
 739
 740         case HCI_SCODATA_PKT:
 741                 if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1)
 742                         return -ENODEV;
 743
 744                 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
 745                 if (!urb)
 746                         return -ENOMEM;
 747
 748                 pipe = usb_sndisocpipe(data->udev,
 749                                         data->isoc_tx_ep->bEndpointAddress);
 750
 751                 usb_fill_int_urb(urb, data->udev, pipe,
 752                                 skb->data, skb->len, btusb_isoc_tx_complete,
 753                                 skb, data->isoc_tx_ep->bInterval);
 754
 755                 urb->transfer_flags  = URB_ISO_ASAP;
 756
 757                 __fill_isoc_descriptor(urb, skb->len,
 758                                 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
 759
 760                 hdev->stat.sco_tx++;
 761                 goto skip_waking;
 762
 763         default:
 764                 return -EILSEQ;
 765         }
 766
 767         err = inc_tx(data);
 768         if (err) {
 769                 usb_anchor_urb(urb, &data->deferred);
 770                 schedule_work(&data->waker);
 771                 err = 0;
 772                 goto done;
 773         }
 774
 775 skip_waking:
 776         usb_anchor_urb(urb, &data->tx_anchor);
 777
 778         err = usb_submit_urb(urb, GFP_ATOMIC);
 779         if (err < 0) {
 780                 if (err != -EPERM && err != -ENODEV)
 781                         BT_ERR("%s urb %p submission failed (%d)",
 782                                                 hdev->name, urb, -err);
 783                 kfree(urb->setup_packet);
 784                 usb_unanchor_urb(urb);
 785         } else {
 786                 usb_mark_last_busy(data->udev);
 787         }
 788
 789 done:
 790         usb_free_urb(urb);
 791         return err;
 792 }
 793
 794 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
 795 {
 796         struct btusb_data *data = hci_get_drvdata(hdev);
 797
 798         BT_DBG("%s evt %d", hdev->name, evt);
 799
 800         if (hdev->conn_hash.sco_num != data->sco_num) {
 801                 data->sco_num = hdev->conn_hash.sco_num;
 802                 schedule_work(&data->work);
 803         }
 804 }
 805
 806 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
 807 {
 808         struct btusb_data *data = hci_get_drvdata(hdev);
 809         struct usb_interface *intf = data->isoc;
 810         struct usb_endpoint_descriptor *ep_desc;
 811         int i, err;
 812
 813         if (!data->isoc)
 814                 return -ENODEV;
 815
 816         err = usb_set_interface(data->udev, 1, altsetting);
 817         if (err < 0) {
 818                 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
 819                 return err;
 820         }
 821
 822         data->isoc_altsetting = altsetting;
 823
 824         data->isoc_tx_ep = NULL;
 825         data->isoc_rx_ep = NULL;
 826
 827         for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
 828                 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
 829
 830                 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
 831                         data->isoc_tx_ep = ep_desc;
 832                         continue;
 833                 }
 834
 835                 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
 836                         data->isoc_rx_ep = ep_desc;
 837                         continue;
 838                 }
 839         }
 840
 841         if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
 842                 BT_ERR("%s invalid SCO descriptors", hdev->name);
 843                 return -ENODEV;
 844         }
 845
 846         return 0;
 847 }
 848
 849 static void btusb_work(struct work_struct *work)
 850 {
 851         struct btusb_data *data = container_of(work, struct btusb_data, work);
 852         struct hci_dev *hdev = data->hdev;
 853         int new_alts;
 854         int err;
 855
 856         if (hdev->conn_hash.sco_num > 0) {
 857                 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
 858                         err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
 859                         if (err < 0) {
 860                                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 861                                 usb_kill_anchored_urbs(&data->isoc_anchor);
 862                                 return;
 863                         }
 864
 865                         set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
 866                 }
 867
 868                 if (hdev->voice_setting & 0x0020) {
 869                         static const int alts[3] = { 2, 4, 5 };
 870                         new_alts = alts[hdev->conn_hash.sco_num - 1];
 871                 } else {
 872                         new_alts = hdev->conn_hash.sco_num;
 873                 }
 874
 875                 if (data->isoc_altsetting != new_alts) {
 876                         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 877                         usb_kill_anchored_urbs(&data->isoc_anchor);
 878
 879                         if (__set_isoc_interface(hdev, new_alts) < 0)
 880                                 return;
 881                 }
 882
 883                 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
 884                         if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
 885                                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 886                         else
 887                                 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
 888                 }
 889         } else {
 890                 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
 891                 usb_kill_anchored_urbs(&data->isoc_anchor);
 892
 893                 __set_isoc_interface(hdev, 0);
 894                 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
 895                         usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
 896         }
 897 }
 898
 899 static void btusb_waker(struct work_struct *work)
 900 {
 901         struct btusb_data *data = container_of(work, struct btusb_data, waker);
 902         int err;
 903
 904         err = usb_autopm_get_interface(data->intf);
 905         if (err < 0)
 906                 return;
 907
 908         usb_autopm_put_interface(data->intf);
 909 }
 910
 911 static int btusb_probe(struct usb_interface *intf,
 912                                 const struct usb_device_id *id)
 913 {
 914         struct usb_endpoint_descriptor *ep_desc;
 915         struct btusb_data *data;
 916         struct hci_dev *hdev;
 917         int i, err;
 918
 919         BT_DBG("intf %p id %p", intf, id);
 920
 921         /* interface numbers are hardcoded in the spec */
 922         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 923                 return -ENODEV;
 924
 925         if (!id->driver_info) {
 926                 const struct usb_device_id *match;
 927                 match = usb_match_id(intf, blacklist_table);
 928                 if (match)
 929                         id = match;
 930         }
 931
 932         if (id->driver_info == BTUSB_IGNORE)
 933                 return -ENODEV;
 934
 935         if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER)
 936                 return -ENODEV;
 937
 938         if (ignore_csr && id->driver_info & BTUSB_CSR)
 939                 return -ENODEV;
 940
 941         if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER)
 942                 return -ENODEV;
 943
 944         if (id->driver_info & BTUSB_ATH3012) {
 945                 struct usb_device *udev = interface_to_usbdev(intf);
 946
 947                 /* Old firmware would otherwise let ath3k driver load
 948                  * patch and sysconfig files */
 949                 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
 950                         return -ENODEV;
 951         }
 952
 953         data = kzalloc(sizeof(*data), GFP_KERNEL);
 954         if (!data)
 955                 return -ENOMEM;
 956
 957         for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
 958                 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
 959
 960                 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
 961                         data->intr_ep = ep_desc;
 962                         continue;
 963                 }
 964
 965                 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
 966                         data->bulk_tx_ep = ep_desc;
 967                         continue;
 968                 }
 969
 970                 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
 971                         data->bulk_rx_ep = ep_desc;
 972                         continue;
 973                 }
 974         }
 975
 976         if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
 977                 kfree(data);
 978                 return -ENODEV;
 979         }
 980
 981         data->cmdreq_type = USB_TYPE_CLASS;
 982
 983         data->udev = interface_to_usbdev(intf);
 984         data->intf = intf;
 985
 986         spin_lock_init(&data->lock);
 987
 988         INIT_WORK(&data->work, btusb_work);
 989         INIT_WORK(&data->waker, btusb_waker);
 990         spin_lock_init(&data->txlock);
 991
 992         init_usb_anchor(&data->tx_anchor);
 993         init_usb_anchor(&data->intr_anchor);
 994         init_usb_anchor(&data->bulk_anchor);
 995         init_usb_anchor(&data->isoc_anchor);
 996         init_usb_anchor(&data->deferred);
 997
 998         hdev = hci_alloc_dev();
 999         if (!hdev) {
1000                 kfree(data);
1001                 return -ENOMEM;
1002         }
1003
1004         hdev->bus = HCI_USB;
1005         hci_set_drvdata(hdev, data);
1006
1007         data->hdev = hdev;
1008
1009         SET_HCIDEV_DEV(hdev, &intf->dev);
1010
1011         hdev->open     = btusb_open;
1012         hdev->close    = btusb_close;
1013         hdev->flush    = btusb_flush;
1014         hdev->send     = btusb_send_frame;
1015         hdev->notify   = btusb_notify;
1016
1017         /* Interface numbers are hardcoded in the specification */
1018         data->isoc = usb_ifnum_to_if(data->udev, 1);
1019
1020         if (!reset)
1021                 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1022
1023         if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
1024                 if (!disable_scofix)
1025                         set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
1026         }
1027
1028         if (id->driver_info & BTUSB_BROKEN_ISOC)
1029                 data->isoc = NULL;
1030
1031         if (id->driver_info & BTUSB_DIGIANSWER) {
1032                 data->cmdreq_type = USB_TYPE_VENDOR;
1033                 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1034         }
1035
1036         if (id->driver_info & BTUSB_CSR) {
1037                 struct usb_device *udev = data->udev;
1038
1039                 /* Old firmware would otherwise execute USB reset */
1040                 if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117)
1041                         set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1042         }
1043
1044         if (id->driver_info & BTUSB_SNIFFER) {
1045                 struct usb_device *udev = data->udev;
1046
1047                 /* New sniffer firmware has crippled HCI interface */
1048                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
1049                         set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
1050
1051                 data->isoc = NULL;
1052         }
1053
1054         if (id->driver_info & BTUSB_BCM92035) {
1055                 unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 };
1056                 struct sk_buff *skb;
1057
1058                 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
1059                 if (skb) {
1060                         memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd));
1061                         skb_queue_tail(&hdev->driver_init, skb);
1062                 }
1063         }
1064
1065         if (data->isoc) {
1066                 err = usb_driver_claim_interface(&btusb_driver,
1067                                                         data->isoc, data);
1068                 if (err < 0) {
1069                         hci_free_dev(hdev);
1070                         kfree(data);
1071                         return err;
1072                 }
1073         }
1074
1075         err = hci_register_dev(hdev);
1076         if (err < 0) {
1077                 hci_free_dev(hdev);
1078                 kfree(data);
1079                 return err;
1080         }
1081
1082         usb_set_intfdata(intf, data);
1083
1084         return 0;
1085 }
1086
1087 static void btusb_disconnect(struct usb_interface *intf)
1088 {
1089         struct btusb_data *data = usb_get_intfdata(intf);
1090         struct hci_dev *hdev;
1091
1092         BT_DBG("intf %p", intf);
1093
1094         if (!data)
1095                 return;
1096
1097         hdev = data->hdev;
1098         usb_set_intfdata(data->intf, NULL);
1099
1100         if (data->isoc)
1101                 usb_set_intfdata(data->isoc, NULL);
1102
1103         hci_unregister_dev(hdev);
1104
1105         if (intf == data->isoc)
1106                 usb_driver_release_interface(&btusb_driver, data->intf);
1107         else if (data->isoc)
1108                 usb_driver_release_interface(&btusb_driver, data->isoc);
1109
1110         hci_free_dev(hdev);
1111         kfree(data);
1112 }
1113
1114 #ifdef CONFIG_PM
1115 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
1116 {
1117         struct btusb_data *data = usb_get_intfdata(intf);
1118
1119         BT_DBG("intf %p", intf);
1120
1121         if (data->suspend_count++)
1122                 return 0;
1123
1124         spin_lock_irq(&data->txlock);
1125         if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
1126                 set_bit(BTUSB_SUSPENDING, &data->flags);
1127                 spin_unlock_irq(&data->txlock);
1128         } else {
1129                 spin_unlock_irq(&data->txlock);
1130                 data->suspend_count--;
1131                 return -EBUSY;
1132         }
1133
1134         cancel_work_sync(&data->work);
1135
1136         btusb_stop_traffic(data);
1137         usb_kill_anchored_urbs(&data->tx_anchor);
1138
1139         return 0;
1140 }
1141
1142 static void play_deferred(struct btusb_data *data)
1143 {
1144         struct urb *urb;
1145         int err;
1146
1147         while ((urb = usb_get_from_anchor(&data->deferred))) {
1148                 err = usb_submit_urb(urb, GFP_ATOMIC);
1149                 if (err < 0)
1150                         break;
1151
1152                 data->tx_in_flight++;
1153         }
1154         usb_scuttle_anchored_urbs(&data->deferred);
1155 }
1156
1157 static int btusb_resume(struct usb_interface *intf)
1158 {
1159         struct btusb_data *data = usb_get_intfdata(intf);
1160         struct hci_dev *hdev = data->hdev;
1161         int err = 0;
1162
1163         BT_DBG("intf %p", intf);
1164
1165         if (--data->suspend_count)
1166                 return 0;
1167
1168         if (!test_bit(HCI_RUNNING, &hdev->flags))
1169                 goto done;
1170
1171         if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
1172                 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
1173                 if (err < 0) {
1174                         clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1175                         goto failed;
1176                 }
1177         }
1178
1179         if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
1180                 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
1181                 if (err < 0) {
1182                         clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1183                         goto failed;
1184                 }
1185
1186                 btusb_submit_bulk_urb(hdev, GFP_NOIO);
1187         }
1188
1189         if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1190                 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
1191                         clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1192                 else
1193                         btusb_submit_isoc_urb(hdev, GFP_NOIO);
1194         }
1195
1196         spin_lock_irq(&data->txlock);
1197         play_deferred(data);
1198         clear_bit(BTUSB_SUSPENDING, &data->flags);
1199         spin_unlock_irq(&data->txlock);
1200         schedule_work(&data->work);
1201
1202         return 0;
1203
1204 failed:
1205         usb_scuttle_anchored_urbs(&data->deferred);
1206 done:
1207         spin_lock_irq(&data->txlock);
1208         clear_bit(BTUSB_SUSPENDING, &data->flags);
1209         spin_unlock_irq(&data->txlock);
1210
1211         return err;
1212 }
1213 #endif
1214
1215 static struct usb_driver btusb_driver = {
1216         .name           = "btusb",
1217         .probe          = btusb_probe,
1218         .disconnect     = btusb_disconnect,
1219 #ifdef CONFIG_PM
1220         .suspend        = btusb_suspend,
1221         .resume         = btusb_resume,
1222 #endif
1223         .id_table       = btusb_table,
1224         .supports_autosuspend = 1,
1225         .disable_hub_initiated_lpm = 1,
1226 };
1227
1228 module_usb_driver(btusb_driver);
1229
1230 module_param(ignore_dga, bool, 0644);
1231 MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001");
1232
1233 module_param(ignore_csr, bool, 0644);
1234 MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001");
1235
1236 module_param(ignore_sniffer, bool, 0644);
1237 MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002");
1238
1239 module_param(disable_scofix, bool, 0644);
1240 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
1241
1242 module_param(force_scofix, bool, 0644);
1243 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
1244
1245 module_param(reset, bool, 0644);
1246 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
1247
1248 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
1249 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
1250 MODULE_VERSION(VERSION);
1251 MODULE_LICENSE("GPL");