drivers/bluetooth/ath3k.c

   1 /*
   2  * Copyright (c) 2008-2009 Atheros Communications Inc.
   3  *
   4  *  This program is free software; you can redistribute it and/or modify
   5  *  it under the terms of the GNU General Public License as published by
   6  *  the Free Software Foundation; either version 2 of the License, or
   7  *  (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *  GNU General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  *
  18  */
  19
  20
  21 #include <linux/module.h>
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/slab.h>
  25 #include <linux/types.h>
  26 #include <linux/errno.h>
  27 #include <linux/device.h>
  28 #include <linux/firmware.h>
  29 #include <linux/usb.h>
  30 #include <asm/unaligned.h>
  31 #include <net/bluetooth/bluetooth.h>
  32
  33 #define VERSION "1.0"
  34 #define ATH3K_FIRMWARE  "ath3k-1.fw"
  35
  36 #define ATH3K_DNLOAD                            0x01
  37 #define ATH3K_GETSTATE                          0x05
  38 #define ATH3K_SET_NORMAL_MODE                   0x07
  39 #define ATH3K_GETVERSION                        0x09
  40 #define USB_REG_SWITCH_VID_PID                  0x0a
  41
  42 #define ATH3K_MODE_MASK                         0x3F
  43 #define ATH3K_NORMAL_MODE                       0x0E
  44
  45 #define ATH3K_PATCH_UPDATE                      0x80
  46 #define ATH3K_SYSCFG_UPDATE                     0x40
  47
  48 #define ATH3K_XTAL_FREQ_26M                     0x00
  49 #define ATH3K_XTAL_FREQ_40M                     0x01
  50 #define ATH3K_XTAL_FREQ_19P2                    0x02
  51 #define ATH3K_NAME_LEN                          0xFF
  52
  53 struct ath3k_version {
  54         __le32  rom_version;
  55         __le32  build_version;
  56         __le32  ram_version;
  57         __u8    ref_clock;
  58         __u8    reserved[7];
  59 } __packed;
  60
  61 static const struct usb_device_id ath3k_table[] = {
  62         /* Atheros AR3011 */
  63         { USB_DEVICE(0x0CF3, 0x3000) },
  64
  65         /* Atheros AR3011 with sflash firmware*/
  66         { USB_DEVICE(0x0489, 0xE027) },
  67         { USB_DEVICE(0x0489, 0xE03D) },
  68         { USB_DEVICE(0x04F2, 0xAFF1) },
  69         { USB_DEVICE(0x0930, 0x0215) },
  70         { USB_DEVICE(0x0CF3, 0x3002) },
  71         { USB_DEVICE(0x0CF3, 0xE019) },
  72         { USB_DEVICE(0x13d3, 0x3304) },
  73
  74         /* Atheros AR9285 Malbec with sflash firmware */
  75         { USB_DEVICE(0x03F0, 0x311D) },
  76
  77         /* Atheros AR3012 with sflash firmware*/
  78         { USB_DEVICE(0x0489, 0xe04d) },
  79         { USB_DEVICE(0x0489, 0xe04e) },
  80         { USB_DEVICE(0x0489, 0xe057) },
  81         { USB_DEVICE(0x0489, 0xe056) },
  82         { USB_DEVICE(0x0489, 0xe05f) },
  83         { USB_DEVICE(0x0489, 0xe076) },
  84         { USB_DEVICE(0x0489, 0xe078) },
  85         { USB_DEVICE(0x04c5, 0x1330) },
  86         { USB_DEVICE(0x04CA, 0x3004) },
  87         { USB_DEVICE(0x04CA, 0x3005) },
  88         { USB_DEVICE(0x04CA, 0x3006) },
  89         { USB_DEVICE(0x04CA, 0x3007) },
  90         { USB_DEVICE(0x04CA, 0x3008) },
  91         { USB_DEVICE(0x04CA, 0x300b) },
  92         { USB_DEVICE(0x04CA, 0x300d) },
  93         { USB_DEVICE(0x04CA, 0x300f) },
  94         { USB_DEVICE(0x04CA, 0x3010) },
  95         { USB_DEVICE(0x0930, 0x0219) },
  96         { USB_DEVICE(0x0930, 0x021c) },
  97         { USB_DEVICE(0x0930, 0x0220) },
  98         { USB_DEVICE(0x0930, 0x0227) },
  99         { USB_DEVICE(0x0b05, 0x17d0) },
 100         { USB_DEVICE(0x0CF3, 0x0036) },
 101         { USB_DEVICE(0x0CF3, 0x3004) },
 102         { USB_DEVICE(0x0CF3, 0x3008) },
 103         { USB_DEVICE(0x0CF3, 0x311D) },
 104         { USB_DEVICE(0x0CF3, 0x311E) },
 105         { USB_DEVICE(0x0CF3, 0x311F) },
 106         { USB_DEVICE(0x0cf3, 0x3121) },
 107         { USB_DEVICE(0x0CF3, 0x817a) },
 108         { USB_DEVICE(0x0cf3, 0xe003) },
 109         { USB_DEVICE(0x0CF3, 0xE004) },
 110         { USB_DEVICE(0x0CF3, 0xE005) },
 111         { USB_DEVICE(0x0CF3, 0xE006) },
 112         { USB_DEVICE(0x13d3, 0x3362) },
 113         { USB_DEVICE(0x13d3, 0x3375) },
 114         { USB_DEVICE(0x13d3, 0x3393) },
 115         { USB_DEVICE(0x13d3, 0x3402) },
 116         { USB_DEVICE(0x13d3, 0x3408) },
 117         { USB_DEVICE(0x13d3, 0x3423) },
 118         { USB_DEVICE(0x13d3, 0x3432) },
 119         { USB_DEVICE(0x13d3, 0x3474) },
 120
 121         /* Atheros AR5BBU12 with sflash firmware */
 122         { USB_DEVICE(0x0489, 0xE02C) },
 123
 124         /* Atheros AR5BBU22 with sflash firmware */
 125         { USB_DEVICE(0x0489, 0xE036) },
 126         { USB_DEVICE(0x0489, 0xE03C) },
 127
 128         { }     /* Terminating entry */
 129 };
 130
 131 MODULE_DEVICE_TABLE(usb, ath3k_table);
 132
 133 #define BTUSB_ATH3012           0x80
 134 /* This table is to load patch and sysconfig files
 135  * for AR3012 */
 136 static const struct usb_device_id ath3k_blist_tbl[] = {
 137
 138         /* Atheros AR3012 with sflash firmware*/
 139         { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
 140         { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
 141         { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 142         { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
 143         { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
 144         { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
 145         { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
 146         { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
 147         { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
 148         { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 149         { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
 150         { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
 151         { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 152         { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
 153         { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
 154         { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
 155         { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 156         { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 157         { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
 158         { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
 159         { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
 160         { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
 161         { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
 162         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 163         { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
 164         { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
 165         { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
 166         { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
 167         { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
 168         { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
 169         { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 170         { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
 171         { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
 172         { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
 173         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 174         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 175         { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 176         { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
 177         { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
 178         { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
 179         { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
 180         { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
 181
 182         /* Atheros AR5BBU22 with sflash firmware */
 183         { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
 184         { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
 185
 186         { }     /* Terminating entry */
 187 };
 188
 189 #define USB_REQ_DFU_DNLOAD      1
 190 #define BULK_SIZE               4096
 191 #define FW_HDR_SIZE             20
 192 #define TIMEGAP_USEC_MIN        50
 193 #define TIMEGAP_USEC_MAX        100
 194
 195 static int ath3k_load_firmware(struct usb_device *udev,
 196                                 const struct firmware *firmware)
 197 {
 198         u8 *send_buf;
 199         int err, pipe, len, size, sent = 0;
 200         int count = firmware->size;
 201
 202         BT_DBG("udev %p", udev);
 203
 204         pipe = usb_sndctrlpipe(udev, 0);
 205
 206         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 207         if (!send_buf) {
 208                 BT_ERR("Can't allocate memory chunk for firmware");
 209                 return -ENOMEM;
 210         }
 211
 212         memcpy(send_buf, firmware->data, 20);
 213         err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
 214                               0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
 215         if (err < 0) {
 216                 BT_ERR("Can't change to loading configuration err");
 217                 goto error;
 218         }
 219         sent += 20;
 220         count -= 20;
 221
 222         pipe = usb_sndbulkpipe(udev, 0x02);
 223
 224         while (count) {
 225                 /* workaround the compatibility issue with xHCI controller*/
 226                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 227
 228                 size = min_t(uint, count, BULK_SIZE);
 229                 memcpy(send_buf, firmware->data + sent, size);
 230
 231                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 232                                         &len, 3000);
 233
 234                 if (err || (len != size)) {
 235                         BT_ERR("Error in firmware loading err = %d,"
 236                                 "len = %d, size = %d", err, len, size);
 237                         goto error;
 238                 }
 239
 240                 sent  += size;
 241                 count -= size;
 242         }
 243
 244 error:
 245         kfree(send_buf);
 246         return err;
 247 }
 248
 249 static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
 250 {
 251         int ret, pipe = 0;
 252         char *buf;
 253
 254         buf = kmalloc(sizeof(*buf), GFP_KERNEL);
 255         if (!buf)
 256                 return -ENOMEM;
 257
 258         pipe = usb_rcvctrlpipe(udev, 0);
 259         ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
 260                               USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 261                               buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
 262
 263         *state = *buf;
 264         kfree(buf);
 265
 266         return ret;
 267 }
 268
 269 static int ath3k_get_version(struct usb_device *udev,
 270                         struct ath3k_version *version)
 271 {
 272         int ret, pipe = 0;
 273         struct ath3k_version *buf;
 274         const int size = sizeof(*buf);
 275
 276         buf = kmalloc(size, GFP_KERNEL);
 277         if (!buf)
 278                 return -ENOMEM;
 279
 280         pipe = usb_rcvctrlpipe(udev, 0);
 281         ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
 282                               USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 283                               buf, size, USB_CTRL_SET_TIMEOUT);
 284
 285         memcpy(version, buf, size);
 286         kfree(buf);
 287
 288         return ret;
 289 }
 290
 291 static int ath3k_load_fwfile(struct usb_device *udev,
 292                 const struct firmware *firmware)
 293 {
 294         u8 *send_buf;
 295         int err, pipe, len, size, count, sent = 0;
 296         int ret;
 297
 298         count = firmware->size;
 299
 300         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 301         if (!send_buf) {
 302                 BT_ERR("Can't allocate memory chunk for firmware");
 303                 return -ENOMEM;
 304         }
 305
 306         size = min_t(uint, count, FW_HDR_SIZE);
 307         memcpy(send_buf, firmware->data, size);
 308
 309         pipe = usb_sndctrlpipe(udev, 0);
 310         ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
 311                         USB_TYPE_VENDOR, 0, 0, send_buf,
 312                         size, USB_CTRL_SET_TIMEOUT);
 313         if (ret < 0) {
 314                 BT_ERR("Can't change to loading configuration err");
 315                 kfree(send_buf);
 316                 return ret;
 317         }
 318
 319         sent += size;
 320         count -= size;
 321
 322         pipe = usb_sndbulkpipe(udev, 0x02);
 323
 324         while (count) {
 325                 /* workaround the compatibility issue with xHCI controller*/
 326                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 327
 328                 size = min_t(uint, count, BULK_SIZE);
 329                 memcpy(send_buf, firmware->data + sent, size);
 330
 331                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 332                                         &len, 3000);
 333                 if (err || (len != size)) {
 334                         BT_ERR("Error in firmware loading err = %d,"
 335                                 "len = %d, size = %d", err, len, size);
 336                         kfree(send_buf);
 337                         return err;
 338                 }
 339                 sent  += size;
 340                 count -= size;
 341         }
 342
 343         kfree(send_buf);
 344         return 0;
 345 }
 346
 347 static int ath3k_switch_pid(struct usb_device *udev)
 348 {
 349         int pipe = 0;
 350
 351         pipe = usb_sndctrlpipe(udev, 0);
 352         return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
 353                         USB_TYPE_VENDOR, 0, 0,
 354                         NULL, 0, USB_CTRL_SET_TIMEOUT);
 355 }
 356
 357 static int ath3k_set_normal_mode(struct usb_device *udev)
 358 {
 359         unsigned char fw_state;
 360         int pipe = 0, ret;
 361
 362         ret = ath3k_get_state(udev, &fw_state);
 363         if (ret < 0) {
 364                 BT_ERR("Can't get state to change to normal mode err");
 365                 return ret;
 366         }
 367
 368         if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
 369                 BT_DBG("firmware was already in normal mode");
 370                 return 0;
 371         }
 372
 373         pipe = usb_sndctrlpipe(udev, 0);
 374         return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
 375                         USB_TYPE_VENDOR, 0, 0,
 376                         NULL, 0, USB_CTRL_SET_TIMEOUT);
 377 }
 378
 379 static int ath3k_load_patch(struct usb_device *udev)
 380 {
 381         unsigned char fw_state;
 382         char filename[ATH3K_NAME_LEN] = {0};
 383         const struct firmware *firmware;
 384         struct ath3k_version fw_version;
 385         __u32 pt_rom_version, pt_build_version;
 386         int ret;
 387
 388         ret = ath3k_get_state(udev, &fw_state);
 389         if (ret < 0) {
 390                 BT_ERR("Can't get state to change to load ram patch err");
 391                 return ret;
 392         }
 393
 394         if (fw_state & ATH3K_PATCH_UPDATE) {
 395                 BT_DBG("Patch was already downloaded");
 396                 return 0;
 397         }
 398
 399         ret = ath3k_get_version(udev, &fw_version);
 400         if (ret < 0) {
 401                 BT_ERR("Can't get version to change to load ram patch err");
 402                 return ret;
 403         }
 404
 405         snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
 406                  le32_to_cpu(fw_version.rom_version));
 407
 408         ret = request_firmware(&firmware, filename, &udev->dev);
 409         if (ret < 0) {
 410                 BT_ERR("Patch file not found %s", filename);
 411                 return ret;
 412         }
 413
 414         pt_rom_version = get_unaligned_le32(firmware->data +
 415                                             firmware->size - 8);
 416         pt_build_version = get_unaligned_le32(firmware->data +
 417                                               firmware->size - 4);
 418
 419         if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
 420             pt_build_version <= le32_to_cpu(fw_version.build_version)) {
 421                 BT_ERR("Patch file version did not match with firmware");
 422                 release_firmware(firmware);
 423                 return -EINVAL;
 424         }
 425
 426         ret = ath3k_load_fwfile(udev, firmware);
 427         release_firmware(firmware);
 428
 429         return ret;
 430 }
 431
 432 static int ath3k_load_syscfg(struct usb_device *udev)
 433 {
 434         unsigned char fw_state;
 435         char filename[ATH3K_NAME_LEN] = {0};
 436         const struct firmware *firmware;
 437         struct ath3k_version fw_version;
 438         int clk_value, ret;
 439
 440         ret = ath3k_get_state(udev, &fw_state);
 441         if (ret < 0) {
 442                 BT_ERR("Can't get state to change to load configuration err");
 443                 return -EBUSY;
 444         }
 445
 446         ret = ath3k_get_version(udev, &fw_version);
 447         if (ret < 0) {
 448                 BT_ERR("Can't get version to change to load ram patch err");
 449                 return ret;
 450         }
 451
 452         switch (fw_version.ref_clock) {
 453
 454         case ATH3K_XTAL_FREQ_26M:
 455                 clk_value = 26;
 456                 break;
 457         case ATH3K_XTAL_FREQ_40M:
 458                 clk_value = 40;
 459                 break;
 460         case ATH3K_XTAL_FREQ_19P2:
 461                 clk_value = 19;
 462                 break;
 463         default:
 464                 clk_value = 0;
 465                 break;
 466         }
 467
 468         snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
 469                 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
 470
 471         ret = request_firmware(&firmware, filename, &udev->dev);
 472         if (ret < 0) {
 473                 BT_ERR("Configuration file not found %s", filename);
 474                 return ret;
 475         }
 476
 477         ret = ath3k_load_fwfile(udev, firmware);
 478         release_firmware(firmware);
 479
 480         return ret;
 481 }
 482
 483 static int ath3k_probe(struct usb_interface *intf,
 484                         const struct usb_device_id *id)
 485 {
 486         const struct firmware *firmware;
 487         struct usb_device *udev = interface_to_usbdev(intf);
 488         int ret;
 489
 490         BT_DBG("intf %p id %p", intf, id);
 491
 492         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 493                 return -ENODEV;
 494
 495         /* match device ID in ath3k blacklist table */
 496         if (!id->driver_info) {
 497                 const struct usb_device_id *match;
 498                 match = usb_match_id(intf, ath3k_blist_tbl);
 499                 if (match)
 500                         id = match;
 501         }
 502
 503         /* load patch and sysconfig files for AR3012 */
 504         if (id->driver_info & BTUSB_ATH3012) {
 505
 506                 /* New firmware with patch and sysconfig files already loaded */
 507                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
 508                         return -ENODEV;
 509
 510                 ret = ath3k_load_patch(udev);
 511                 if (ret < 0) {
 512                         BT_ERR("Loading patch file failed");
 513                         return ret;
 514                 }
 515                 ret = ath3k_load_syscfg(udev);
 516                 if (ret < 0) {
 517                         BT_ERR("Loading sysconfig file failed");
 518                         return ret;
 519                 }
 520                 ret = ath3k_set_normal_mode(udev);
 521                 if (ret < 0) {
 522                         BT_ERR("Set normal mode failed");
 523                         return ret;
 524                 }
 525                 ath3k_switch_pid(udev);
 526                 return 0;
 527         }
 528
 529         ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
 530         if (ret < 0) {
 531                 if (ret == -ENOENT)
 532                         BT_ERR("Firmware file \"%s\" not found",
 533                                                         ATH3K_FIRMWARE);
 534                 else
 535                         BT_ERR("Firmware file \"%s\" request failed (err=%d)",
 536                                                         ATH3K_FIRMWARE, ret);
 537                 return ret;
 538         }
 539
 540         ret = ath3k_load_firmware(udev, firmware);
 541         release_firmware(firmware);
 542
 543         return ret;
 544 }
 545
 546 static void ath3k_disconnect(struct usb_interface *intf)
 547 {
 548         BT_DBG("ath3k_disconnect intf %p", intf);
 549 }
 550
 551 static struct usb_driver ath3k_driver = {
 552         .name           = "ath3k",
 553         .probe          = ath3k_probe,
 554         .disconnect     = ath3k_disconnect,
 555         .id_table       = ath3k_table,
 556         .disable_hub_initiated_lpm = 1,
 557 };
 558
 559 module_usb_driver(ath3k_driver);
 560
 561 MODULE_AUTHOR("Atheros Communications");
 562 MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
 563 MODULE_VERSION(VERSION);
 564 MODULE_LICENSE("GPL");
 565 MODULE_FIRMWARE(ATH3K_FIRMWARE);