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 <net/bluetooth/bluetooth.h>
  31
  32 #define VERSION "1.0"
  33
  34 #define ATH3K_DNLOAD                            0x01
  35 #define ATH3K_GETSTATE                          0x05
  36 #define ATH3K_SET_NORMAL_MODE                   0x07
  37 #define ATH3K_GETVERSION                        0x09
  38 #define USB_REG_SWITCH_VID_PID                  0x0a
  39
  40 #define ATH3K_MODE_MASK                         0x3F
  41 #define ATH3K_NORMAL_MODE                       0x0E
  42
  43 #define ATH3K_PATCH_UPDATE                      0x80
  44 #define ATH3K_SYSCFG_UPDATE                     0x40
  45
  46 #define ATH3K_XTAL_FREQ_26M                     0x00
  47 #define ATH3K_XTAL_FREQ_40M                     0x01
  48 #define ATH3K_XTAL_FREQ_19P2                    0x02
  49 #define ATH3K_NAME_LEN                          0xFF
  50
  51 struct ath3k_version {
  52         unsigned int    rom_version;
  53         unsigned int    build_version;
  54         unsigned int    ram_version;
  55         unsigned char   ref_clock;
  56         unsigned char   reserved[0x07];
  57 };
  58
  59 static struct usb_device_id ath3k_table[] = {
  60         /* Atheros AR3011 */
  61         { USB_DEVICE(0x0CF3, 0x3000) },
  62
  63         /* Atheros AR3011 with sflash firmware*/
  64         { USB_DEVICE(0x0489, 0xE027) },
  65         { USB_DEVICE(0x0489, 0xE03D) },
  66         { USB_DEVICE(0x04F2, 0xAFF1) },
  67         { USB_DEVICE(0x0930, 0x0215) },
  68         { USB_DEVICE(0x0CF3, 0x3002) },
  69         { USB_DEVICE(0x0CF3, 0xE019) },
  70         { USB_DEVICE(0x13d3, 0x3304) },
  71
  72         /* Atheros AR9285 Malbec with sflash firmware */
  73         { USB_DEVICE(0x03F0, 0x311D) },
  74
  75         /* Atheros AR3012 with sflash firmware*/
  76         { USB_DEVICE(0x0489, 0xe04d) },
  77         { USB_DEVICE(0x0489, 0xe04e) },
  78         { USB_DEVICE(0x0489, 0xe057) },
  79         { USB_DEVICE(0x0489, 0xe056) },
  80         { USB_DEVICE(0x0489, 0xe05f) },
  81         { USB_DEVICE(0x0489, 0xe076) },
  82         { USB_DEVICE(0x0489, 0xe078) },
  83         { USB_DEVICE(0x0489, 0xe095) },
  84         { USB_DEVICE(0x04c5, 0x1330) },
  85         { USB_DEVICE(0x04CA, 0x3004) },
  86         { USB_DEVICE(0x04CA, 0x3005) },
  87         { USB_DEVICE(0x04CA, 0x3006) },
  88         { USB_DEVICE(0x04CA, 0x3007) },
  89         { USB_DEVICE(0x04CA, 0x3008) },
  90         { USB_DEVICE(0x04CA, 0x300b) },
  91         { USB_DEVICE(0x04CA, 0x300f) },
  92         { USB_DEVICE(0x04CA, 0x3010) },
  93         { USB_DEVICE(0x04CA, 0x3014) },
  94         { USB_DEVICE(0x0930, 0x0219) },
  95         { USB_DEVICE(0x0930, 0x021c) },
  96         { USB_DEVICE(0x0930, 0x0220) },
  97         { USB_DEVICE(0x0930, 0x0227) },
  98         { USB_DEVICE(0x0b05, 0x17d0) },
  99         { USB_DEVICE(0x0CF3, 0x0036) },
 100         { USB_DEVICE(0x0CF3, 0x3004) },
 101         { USB_DEVICE(0x0CF3, 0x3008) },
 102         { USB_DEVICE(0x0CF3, 0x311D) },
 103         { USB_DEVICE(0x0CF3, 0x311E) },
 104         { USB_DEVICE(0x0CF3, 0x311F) },
 105         { USB_DEVICE(0x0cf3, 0x3121) },
 106         { USB_DEVICE(0x0CF3, 0x817a) },
 107         { USB_DEVICE(0x0CF3, 0x817b) },
 108         { USB_DEVICE(0x0cf3, 0xe003) },
 109         { USB_DEVICE(0x0CF3, 0xE004) },
 110         { USB_DEVICE(0x0CF3, 0xE005) },
 111         { USB_DEVICE(0x13d3, 0x3362) },
 112         { USB_DEVICE(0x13d3, 0x3375) },
 113         { USB_DEVICE(0x13d3, 0x3393) },
 114         { USB_DEVICE(0x13d3, 0x3395) },
 115         { USB_DEVICE(0x13d3, 0x3402) },
 116         { USB_DEVICE(0x13d3, 0x3408) },
 117         { USB_DEVICE(0x13d3, 0x3423) },
 118         { USB_DEVICE(0x13d3, 0x3432) },
 119         { USB_DEVICE(0x13d3, 0x3472) },
 120         { USB_DEVICE(0x13d3, 0x3474) },
 121         { USB_DEVICE(0x13d3, 0x3487) },
 122         { USB_DEVICE(0x13d3, 0x3490) },
 123
 124         /* Atheros AR5BBU12 with sflash firmware */
 125         { USB_DEVICE(0x0489, 0xE02C) },
 126
 127         /* Atheros AR5BBU22 with sflash firmware */
 128         { USB_DEVICE(0x0489, 0xE036) },
 129         { USB_DEVICE(0x0489, 0xE03C) },
 130
 131         { }     /* Terminating entry */
 132 };
 133
 134 MODULE_DEVICE_TABLE(usb, ath3k_table);
 135
 136 #define BTUSB_ATH3012           0x80
 137 /* This table is to load patch and sysconfig files
 138  * for AR3012 */
 139 static struct usb_device_id ath3k_blist_tbl[] = {
 140
 141         /* Atheros AR3012 with sflash firmware*/
 142         { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
 143         { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
 144         { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 145         { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
 146         { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
 147         { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
 148         { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
 149         { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
 150         { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
 151         { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
 152         { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 153         { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
 154         { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
 155         { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 156         { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
 157         { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
 158         { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 159         { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
 160         { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 161         { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
 162         { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
 163         { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
 164         { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
 165         { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
 166         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 167         { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
 168         { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
 169         { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
 170         { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
 171         { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
 172         { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
 173         { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
 174         { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 175         { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
 176         { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
 177         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 178         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 179         { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 180         { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
 181         { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
 182         { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
 183         { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
 184         { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
 185         { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
 186         { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
 187         { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
 188         { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
 189
 190         /* Atheros AR5BBU22 with sflash firmware */
 191         { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
 192         { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
 193
 194         { }     /* Terminating entry */
 195 };
 196
 197 #define USB_REQ_DFU_DNLOAD      1
 198 #define BULK_SIZE               4096
 199 #define FW_HDR_SIZE             20
 200 #define TIMEGAP_USEC_MIN        50
 201 #define TIMEGAP_USEC_MAX        100
 202
 203 static int ath3k_load_firmware(struct usb_device *udev,
 204                                 const struct firmware *firmware)
 205 {
 206         u8 *send_buf;
 207         int err, pipe, len, size, sent = 0;
 208         int count = firmware->size;
 209
 210         BT_DBG("udev %p", udev);
 211
 212         pipe = usb_sndctrlpipe(udev, 0);
 213
 214         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 215         if (!send_buf) {
 216                 BT_ERR("Can't allocate memory chunk for firmware");
 217                 return -ENOMEM;
 218         }
 219
 220         memcpy(send_buf, firmware->data, 20);
 221         if ((err = usb_control_msg(udev, pipe,
 222                                 USB_REQ_DFU_DNLOAD,
 223                                 USB_TYPE_VENDOR, 0, 0,
 224                                 send_buf, 20, USB_CTRL_SET_TIMEOUT)) < 0) {
 225                 BT_ERR("Can't change to loading configuration err");
 226                 goto error;
 227         }
 228         sent += 20;
 229         count -= 20;
 230
 231         while (count) {
 232                 /* workaround the compatibility issue with xHCI controller*/
 233                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 234
 235                 size = min_t(uint, count, BULK_SIZE);
 236                 pipe = usb_sndbulkpipe(udev, 0x02);
 237                 memcpy(send_buf, firmware->data + sent, size);
 238
 239                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 240                                         &len, 3000);
 241
 242                 if (err || (len != size)) {
 243                         BT_ERR("Error in firmware loading err = %d,"
 244                                 "len = %d, size = %d", err, len, size);
 245                         goto error;
 246                 }
 247
 248                 sent  += size;
 249                 count -= size;
 250         }
 251
 252 error:
 253         kfree(send_buf);
 254         return err;
 255 }
 256
 257 static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
 258 {
 259         int pipe = 0;
 260
 261         pipe = usb_rcvctrlpipe(udev, 0);
 262         return usb_control_msg(udev, pipe, ATH3K_GETSTATE,
 263                         USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 264                         state, 0x01, USB_CTRL_SET_TIMEOUT);
 265 }
 266
 267 static int ath3k_get_version(struct usb_device *udev,
 268                         struct ath3k_version *version)
 269 {
 270         int pipe = 0;
 271
 272         pipe = usb_rcvctrlpipe(udev, 0);
 273         return usb_control_msg(udev, pipe, ATH3K_GETVERSION,
 274                         USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, version,
 275                         sizeof(struct ath3k_version),
 276                         USB_CTRL_SET_TIMEOUT);
 277 }
 278
 279 static int ath3k_load_fwfile(struct usb_device *udev,
 280                 const struct firmware *firmware)
 281 {
 282         u8 *send_buf;
 283         int err, pipe, len, size, count, sent = 0;
 284         int ret;
 285
 286         count = firmware->size;
 287
 288         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 289         if (!send_buf) {
 290                 BT_ERR("Can't allocate memory chunk for firmware");
 291                 return -ENOMEM;
 292         }
 293
 294         size = min_t(uint, count, FW_HDR_SIZE);
 295         memcpy(send_buf, firmware->data, size);
 296
 297         pipe = usb_sndctrlpipe(udev, 0);
 298         ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
 299                         USB_TYPE_VENDOR, 0, 0, send_buf,
 300                         size, USB_CTRL_SET_TIMEOUT);
 301         if (ret < 0) {
 302                 BT_ERR("Can't change to loading configuration err");
 303                 kfree(send_buf);
 304                 return ret;
 305         }
 306
 307         sent += size;
 308         count -= size;
 309
 310         while (count) {
 311                 /* workaround the compatibility issue with xHCI controller*/
 312                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 313
 314                 size = min_t(uint, count, BULK_SIZE);
 315                 pipe = usb_sndbulkpipe(udev, 0x02);
 316
 317                 memcpy(send_buf, firmware->data + sent, size);
 318
 319                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 320                                         &len, 3000);
 321                 if (err || (len != size)) {
 322                         BT_ERR("Error in firmware loading err = %d,"
 323                                 "len = %d, size = %d", err, len, size);
 324                         kfree(send_buf);
 325                         return err;
 326                 }
 327                 sent  += size;
 328                 count -= size;
 329         }
 330
 331         kfree(send_buf);
 332         return 0;
 333 }
 334
 335 static int ath3k_switch_pid(struct usb_device *udev)
 336 {
 337         int pipe = 0;
 338
 339         pipe = usb_sndctrlpipe(udev, 0);
 340         return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
 341                         USB_TYPE_VENDOR, 0, 0,
 342                         NULL, 0, USB_CTRL_SET_TIMEOUT);
 343 }
 344
 345 static int ath3k_set_normal_mode(struct usb_device *udev)
 346 {
 347         unsigned char fw_state;
 348         int pipe = 0, ret;
 349
 350         ret = ath3k_get_state(udev, &fw_state);
 351         if (ret < 0) {
 352                 BT_ERR("Can't get state to change to normal mode err");
 353                 return ret;
 354         }
 355
 356         if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
 357                 BT_DBG("firmware was already in normal mode");
 358                 return 0;
 359         }
 360
 361         pipe = usb_sndctrlpipe(udev, 0);
 362         return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
 363                         USB_TYPE_VENDOR, 0, 0,
 364                         NULL, 0, USB_CTRL_SET_TIMEOUT);
 365 }
 366
 367 static int ath3k_load_patch(struct usb_device *udev)
 368 {
 369         unsigned char fw_state;
 370         char filename[ATH3K_NAME_LEN] = {0};
 371         const struct firmware *firmware;
 372         struct ath3k_version fw_version, pt_version;
 373         int ret;
 374
 375         ret = ath3k_get_state(udev, &fw_state);
 376         if (ret < 0) {
 377                 BT_ERR("Can't get state to change to load ram patch err");
 378                 return ret;
 379         }
 380
 381         if (fw_state & ATH3K_PATCH_UPDATE) {
 382                 BT_DBG("Patch was already downloaded");
 383                 return 0;
 384         }
 385
 386         ret = ath3k_get_version(udev, &fw_version);
 387         if (ret < 0) {
 388                 BT_ERR("Can't get version to change to load ram patch err");
 389                 return ret;
 390         }
 391
 392         snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
 393                 fw_version.rom_version);
 394
 395         ret = request_firmware(&firmware, filename, &udev->dev);
 396         if (ret < 0) {
 397                 BT_ERR("Patch file not found %s", filename);
 398                 return ret;
 399         }
 400
 401         pt_version.rom_version = *(int *)(firmware->data + firmware->size - 8);
 402         pt_version.build_version = *(int *)
 403                 (firmware->data + firmware->size - 4);
 404
 405         if ((pt_version.rom_version != fw_version.rom_version) ||
 406                 (pt_version.build_version <= fw_version.build_version)) {
 407                 BT_ERR("Patch file version did not match with firmware");
 408                 release_firmware(firmware);
 409                 return -EINVAL;
 410         }
 411
 412         ret = ath3k_load_fwfile(udev, firmware);
 413         release_firmware(firmware);
 414
 415         return ret;
 416 }
 417
 418 static int ath3k_load_syscfg(struct usb_device *udev)
 419 {
 420         unsigned char fw_state;
 421         char filename[ATH3K_NAME_LEN] = {0};
 422         const struct firmware *firmware;
 423         struct ath3k_version fw_version;
 424         int clk_value, ret;
 425
 426         ret = ath3k_get_state(udev, &fw_state);
 427         if (ret < 0) {
 428                 BT_ERR("Can't get state to change to load configration err");
 429                 return -EBUSY;
 430         }
 431
 432         ret = ath3k_get_version(udev, &fw_version);
 433         if (ret < 0) {
 434                 BT_ERR("Can't get version to change to load ram patch err");
 435                 return ret;
 436         }
 437
 438         switch (fw_version.ref_clock) {
 439
 440         case ATH3K_XTAL_FREQ_26M:
 441                 clk_value = 26;
 442                 break;
 443         case ATH3K_XTAL_FREQ_40M:
 444                 clk_value = 40;
 445                 break;
 446         case ATH3K_XTAL_FREQ_19P2:
 447                 clk_value = 19;
 448                 break;
 449         default:
 450                 clk_value = 0;
 451                 break;
 452         }
 453
 454         snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
 455                 fw_version.rom_version, clk_value, ".dfu");
 456
 457         ret = request_firmware(&firmware, filename, &udev->dev);
 458         if (ret < 0) {
 459                 BT_ERR("Configuration file not found %s", filename);
 460                 return ret;
 461         }
 462
 463         ret = ath3k_load_fwfile(udev, firmware);
 464         release_firmware(firmware);
 465
 466         return ret;
 467 }
 468
 469 static int ath3k_probe(struct usb_interface *intf,
 470                         const struct usb_device_id *id)
 471 {
 472         const struct firmware *firmware;
 473         struct usb_device *udev = interface_to_usbdev(intf);
 474         int ret;
 475
 476         BT_DBG("intf %p id %p", intf, id);
 477
 478         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 479                 return -ENODEV;
 480
 481         /* match device ID in ath3k blacklist table */
 482         if (!id->driver_info) {
 483                 const struct usb_device_id *match;
 484                 match = usb_match_id(intf, ath3k_blist_tbl);
 485                 if (match)
 486                         id = match;
 487         }
 488
 489         /* load patch and sysconfig files for AR3012 */
 490         if (id->driver_info & BTUSB_ATH3012) {
 491
 492                 /* New firmware with patch and sysconfig files already loaded */
 493                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
 494                         return -ENODEV;
 495
 496                 ret = ath3k_load_patch(udev);
 497                 if (ret < 0) {
 498                         BT_ERR("Loading patch file failed");
 499                         return ret;
 500                 }
 501                 ret = ath3k_load_syscfg(udev);
 502                 if (ret < 0) {
 503                         BT_ERR("Loading sysconfig file failed");
 504                         return ret;
 505                 }
 506                 ret = ath3k_set_normal_mode(udev);
 507                 if (ret < 0) {
 508                         BT_ERR("Set normal mode failed");
 509                         return ret;
 510                 }
 511                 ath3k_switch_pid(udev);
 512                 return 0;
 513         }
 514
 515         if (request_firmware(&firmware, "ath3k-1.fw", &udev->dev) < 0) {
 516                 BT_ERR("Error loading firmware");
 517                 return -EIO;
 518         }
 519
 520         ret = ath3k_load_firmware(udev, firmware);
 521         release_firmware(firmware);
 522
 523         return ret;
 524 }
 525
 526 static void ath3k_disconnect(struct usb_interface *intf)
 527 {
 528         BT_DBG("ath3k_disconnect intf %p", intf);
 529 }
 530
 531 static struct usb_driver ath3k_driver = {
 532         .name           = "ath3k",
 533         .probe          = ath3k_probe,
 534         .disconnect     = ath3k_disconnect,
 535         .id_table       = ath3k_table,
 536 };
 537
 538 static int __init ath3k_init(void)
 539 {
 540         BT_INFO("Atheros AR30xx firmware driver ver %s", VERSION);
 541         return usb_register(&ath3k_driver);
 542 }
 543
 544 static void __exit ath3k_exit(void)
 545 {
 546         usb_deregister(&ath3k_driver);
 547 }
 548
 549 module_init(ath3k_init);
 550 module_exit(ath3k_exit);
 551
 552 MODULE_AUTHOR("Atheros Communications");
 553 MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
 554 MODULE_VERSION(VERSION);
 555 MODULE_LICENSE("GPL");
 556 MODULE_FIRMWARE("ath3k-1.fw");