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(0x0930, 0x0219) },
  94         { USB_DEVICE(0x0930, 0x021c) },
  95         { USB_DEVICE(0x0930, 0x0220) },
  96         { USB_DEVICE(0x0930, 0x0227) },
  97         { USB_DEVICE(0x0b05, 0x17d0) },
  98         { USB_DEVICE(0x0CF3, 0x0036) },
  99         { USB_DEVICE(0x0CF3, 0x3004) },
 100         { USB_DEVICE(0x0CF3, 0x3008) },
 101         { USB_DEVICE(0x0CF3, 0x311D) },
 102         { USB_DEVICE(0x0CF3, 0x311E) },
 103         { USB_DEVICE(0x0CF3, 0x311F) },
 104         { USB_DEVICE(0x0cf3, 0x3121) },
 105         { USB_DEVICE(0x0CF3, 0x817a) },
 106         { USB_DEVICE(0x0CF3, 0x817b) },
 107         { USB_DEVICE(0x0cf3, 0xe003) },
 108         { USB_DEVICE(0x0CF3, 0xE004) },
 109         { USB_DEVICE(0x0CF3, 0xE005) },
 110         { USB_DEVICE(0x13d3, 0x3362) },
 111         { USB_DEVICE(0x13d3, 0x3375) },
 112         { USB_DEVICE(0x13d3, 0x3393) },
 113         { USB_DEVICE(0x13d3, 0x3395) },
 114         { USB_DEVICE(0x13d3, 0x3402) },
 115         { USB_DEVICE(0x13d3, 0x3408) },
 116         { USB_DEVICE(0x13d3, 0x3423) },
 117         { USB_DEVICE(0x13d3, 0x3432) },
 118         { USB_DEVICE(0x13d3, 0x3474) },
 119
 120         /* Atheros AR5BBU12 with sflash firmware */
 121         { USB_DEVICE(0x0489, 0xE02C) },
 122
 123         /* Atheros AR5BBU22 with sflash firmware */
 124         { USB_DEVICE(0x0489, 0xE036) },
 125         { USB_DEVICE(0x0489, 0xE03C) },
 126
 127         { }     /* Terminating entry */
 128 };
 129
 130 MODULE_DEVICE_TABLE(usb, ath3k_table);
 131
 132 #define BTUSB_ATH3012           0x80
 133 /* This table is to load patch and sysconfig files
 134  * for AR3012 */
 135 static struct usb_device_id ath3k_blist_tbl[] = {
 136
 137         /* Atheros AR3012 with sflash firmware*/
 138         { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
 139         { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
 140         { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 141         { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
 142         { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
 143         { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
 144         { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
 145         { USB_DEVICE(0x0489, 0xe095), .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, 0x300f), .driver_info = BTUSB_ATH3012 },
 154         { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 155         { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 156         { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
 157         { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
 158         { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
 159         { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
 160         { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
 161         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 162         { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
 163         { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
 164         { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
 165         { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
 166         { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
 167         { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
 168         { USB_DEVICE(0x0CF3, 0x817b), .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, 0xe003), .driver_info = BTUSB_ATH3012 },
 172         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 173         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 174         { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 175         { USB_DEVICE(0x13d3, 0x3395), .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         if ((err = usb_control_msg(udev, pipe,
 214                                 USB_REQ_DFU_DNLOAD,
 215                                 USB_TYPE_VENDOR, 0, 0,
 216                                 send_buf, 20, USB_CTRL_SET_TIMEOUT)) < 0) {
 217                 BT_ERR("Can't change to loading configuration err");
 218                 goto error;
 219         }
 220         sent += 20;
 221         count -= 20;
 222
 223         while (count) {
 224                 /* workaround the compatibility issue with xHCI controller*/
 225                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 226
 227                 size = min_t(uint, count, BULK_SIZE);
 228                 pipe = usb_sndbulkpipe(udev, 0x02);
 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 pipe = 0;
 252
 253         pipe = usb_rcvctrlpipe(udev, 0);
 254         return usb_control_msg(udev, pipe, ATH3K_GETSTATE,
 255                         USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 256                         state, 0x01, USB_CTRL_SET_TIMEOUT);
 257 }
 258
 259 static int ath3k_get_version(struct usb_device *udev,
 260                         struct ath3k_version *version)
 261 {
 262         int pipe = 0;
 263
 264         pipe = usb_rcvctrlpipe(udev, 0);
 265         return usb_control_msg(udev, pipe, ATH3K_GETVERSION,
 266                         USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, version,
 267                         sizeof(struct ath3k_version),
 268                         USB_CTRL_SET_TIMEOUT);
 269 }
 270
 271 static int ath3k_load_fwfile(struct usb_device *udev,
 272                 const struct firmware *firmware)
 273 {
 274         u8 *send_buf;
 275         int err, pipe, len, size, count, sent = 0;
 276         int ret;
 277
 278         count = firmware->size;
 279
 280         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 281         if (!send_buf) {
 282                 BT_ERR("Can't allocate memory chunk for firmware");
 283                 return -ENOMEM;
 284         }
 285
 286         size = min_t(uint, count, FW_HDR_SIZE);
 287         memcpy(send_buf, firmware->data, size);
 288
 289         pipe = usb_sndctrlpipe(udev, 0);
 290         ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
 291                         USB_TYPE_VENDOR, 0, 0, send_buf,
 292                         size, USB_CTRL_SET_TIMEOUT);
 293         if (ret < 0) {
 294                 BT_ERR("Can't change to loading configuration err");
 295                 kfree(send_buf);
 296                 return ret;
 297         }
 298
 299         sent += size;
 300         count -= size;
 301
 302         while (count) {
 303                 /* workaround the compatibility issue with xHCI controller*/
 304                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 305
 306                 size = min_t(uint, count, BULK_SIZE);
 307                 pipe = usb_sndbulkpipe(udev, 0x02);
 308
 309                 memcpy(send_buf, firmware->data + sent, size);
 310
 311                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 312                                         &len, 3000);
 313                 if (err || (len != size)) {
 314                         BT_ERR("Error in firmware loading err = %d,"
 315                                 "len = %d, size = %d", err, len, size);
 316                         kfree(send_buf);
 317                         return err;
 318                 }
 319                 sent  += size;
 320                 count -= size;
 321         }
 322
 323         kfree(send_buf);
 324         return 0;
 325 }
 326
 327 static int ath3k_switch_pid(struct usb_device *udev)
 328 {
 329         int pipe = 0;
 330
 331         pipe = usb_sndctrlpipe(udev, 0);
 332         return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
 333                         USB_TYPE_VENDOR, 0, 0,
 334                         NULL, 0, USB_CTRL_SET_TIMEOUT);
 335 }
 336
 337 static int ath3k_set_normal_mode(struct usb_device *udev)
 338 {
 339         unsigned char fw_state;
 340         int pipe = 0, ret;
 341
 342         ret = ath3k_get_state(udev, &fw_state);
 343         if (ret < 0) {
 344                 BT_ERR("Can't get state to change to normal mode err");
 345                 return ret;
 346         }
 347
 348         if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
 349                 BT_DBG("firmware was already in normal mode");
 350                 return 0;
 351         }
 352
 353         pipe = usb_sndctrlpipe(udev, 0);
 354         return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
 355                         USB_TYPE_VENDOR, 0, 0,
 356                         NULL, 0, USB_CTRL_SET_TIMEOUT);
 357 }
 358
 359 static int ath3k_load_patch(struct usb_device *udev)
 360 {
 361         unsigned char fw_state;
 362         char filename[ATH3K_NAME_LEN] = {0};
 363         const struct firmware *firmware;
 364         struct ath3k_version fw_version, pt_version;
 365         int ret;
 366
 367         ret = ath3k_get_state(udev, &fw_state);
 368         if (ret < 0) {
 369                 BT_ERR("Can't get state to change to load ram patch err");
 370                 return ret;
 371         }
 372
 373         if (fw_state & ATH3K_PATCH_UPDATE) {
 374                 BT_DBG("Patch was already downloaded");
 375                 return 0;
 376         }
 377
 378         ret = ath3k_get_version(udev, &fw_version);
 379         if (ret < 0) {
 380                 BT_ERR("Can't get version to change to load ram patch err");
 381                 return ret;
 382         }
 383
 384         snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
 385                 fw_version.rom_version);
 386
 387         ret = request_firmware(&firmware, filename, &udev->dev);
 388         if (ret < 0) {
 389                 BT_ERR("Patch file not found %s", filename);
 390                 return ret;
 391         }
 392
 393         pt_version.rom_version = *(int *)(firmware->data + firmware->size - 8);
 394         pt_version.build_version = *(int *)
 395                 (firmware->data + firmware->size - 4);
 396
 397         if ((pt_version.rom_version != fw_version.rom_version) ||
 398                 (pt_version.build_version <= fw_version.build_version)) {
 399                 BT_ERR("Patch file version did not match with firmware");
 400                 release_firmware(firmware);
 401                 return -EINVAL;
 402         }
 403
 404         ret = ath3k_load_fwfile(udev, firmware);
 405         release_firmware(firmware);
 406
 407         return ret;
 408 }
 409
 410 static int ath3k_load_syscfg(struct usb_device *udev)
 411 {
 412         unsigned char fw_state;
 413         char filename[ATH3K_NAME_LEN] = {0};
 414         const struct firmware *firmware;
 415         struct ath3k_version fw_version;
 416         int clk_value, ret;
 417
 418         ret = ath3k_get_state(udev, &fw_state);
 419         if (ret < 0) {
 420                 BT_ERR("Can't get state to change to load configration err");
 421                 return -EBUSY;
 422         }
 423
 424         ret = ath3k_get_version(udev, &fw_version);
 425         if (ret < 0) {
 426                 BT_ERR("Can't get version to change to load ram patch err");
 427                 return ret;
 428         }
 429
 430         switch (fw_version.ref_clock) {
 431
 432         case ATH3K_XTAL_FREQ_26M:
 433                 clk_value = 26;
 434                 break;
 435         case ATH3K_XTAL_FREQ_40M:
 436                 clk_value = 40;
 437                 break;
 438         case ATH3K_XTAL_FREQ_19P2:
 439                 clk_value = 19;
 440                 break;
 441         default:
 442                 clk_value = 0;
 443                 break;
 444         }
 445
 446         snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
 447                 fw_version.rom_version, clk_value, ".dfu");
 448
 449         ret = request_firmware(&firmware, filename, &udev->dev);
 450         if (ret < 0) {
 451                 BT_ERR("Configuration file not found %s", filename);
 452                 return ret;
 453         }
 454
 455         ret = ath3k_load_fwfile(udev, firmware);
 456         release_firmware(firmware);
 457
 458         return ret;
 459 }
 460
 461 static int ath3k_probe(struct usb_interface *intf,
 462                         const struct usb_device_id *id)
 463 {
 464         const struct firmware *firmware;
 465         struct usb_device *udev = interface_to_usbdev(intf);
 466         int ret;
 467
 468         BT_DBG("intf %p id %p", intf, id);
 469
 470         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 471                 return -ENODEV;
 472
 473         /* match device ID in ath3k blacklist table */
 474         if (!id->driver_info) {
 475                 const struct usb_device_id *match;
 476                 match = usb_match_id(intf, ath3k_blist_tbl);
 477                 if (match)
 478                         id = match;
 479         }
 480
 481         /* load patch and sysconfig files for AR3012 */
 482         if (id->driver_info & BTUSB_ATH3012) {
 483
 484                 /* New firmware with patch and sysconfig files already loaded */
 485                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
 486                         return -ENODEV;
 487
 488                 ret = ath3k_load_patch(udev);
 489                 if (ret < 0) {
 490                         BT_ERR("Loading patch file failed");
 491                         return ret;
 492                 }
 493                 ret = ath3k_load_syscfg(udev);
 494                 if (ret < 0) {
 495                         BT_ERR("Loading sysconfig file failed");
 496                         return ret;
 497                 }
 498                 ret = ath3k_set_normal_mode(udev);
 499                 if (ret < 0) {
 500                         BT_ERR("Set normal mode failed");
 501                         return ret;
 502                 }
 503                 ath3k_switch_pid(udev);
 504                 return 0;
 505         }
 506
 507         if (request_firmware(&firmware, "ath3k-1.fw", &udev->dev) < 0) {
 508                 BT_ERR("Error loading firmware");
 509                 return -EIO;
 510         }
 511
 512         ret = ath3k_load_firmware(udev, firmware);
 513         release_firmware(firmware);
 514
 515         return ret;
 516 }
 517
 518 static void ath3k_disconnect(struct usb_interface *intf)
 519 {
 520         BT_DBG("ath3k_disconnect intf %p", intf);
 521 }
 522
 523 static struct usb_driver ath3k_driver = {
 524         .name           = "ath3k",
 525         .probe          = ath3k_probe,
 526         .disconnect     = ath3k_disconnect,
 527         .id_table       = ath3k_table,
 528 };
 529
 530 static int __init ath3k_init(void)
 531 {
 532         BT_INFO("Atheros AR30xx firmware driver ver %s", VERSION);
 533         return usb_register(&ath3k_driver);
 534 }
 535
 536 static void __exit ath3k_exit(void)
 537 {
 538         usb_deregister(&ath3k_driver);
 539 }
 540
 541 module_init(ath3k_init);
 542 module_exit(ath3k_exit);
 543
 544 MODULE_AUTHOR("Atheros Communications");
 545 MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
 546 MODULE_VERSION(VERSION);
 547 MODULE_LICENSE("GPL");
 548 MODULE_FIRMWARE("ath3k-1.fw");