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, 0xe078) },
  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, 0x0220) },
  95         { USB_DEVICE(0x0930, 0x0227) },
  96         { USB_DEVICE(0x0b05, 0x17d0) },
  97         { USB_DEVICE(0x0CF3, 0x0036) },
  98         { USB_DEVICE(0x0CF3, 0x3004) },
  99         { USB_DEVICE(0x0CF3, 0x3008) },
 100         { USB_DEVICE(0x0CF3, 0x311D) },
 101         { USB_DEVICE(0x0CF3, 0x311E) },
 102         { USB_DEVICE(0x0CF3, 0x311F) },
 103         { USB_DEVICE(0x0cf3, 0x3121) },
 104         { USB_DEVICE(0x0CF3, 0x817a) },
 105         { USB_DEVICE(0x0cf3, 0xe003) },
 106         { USB_DEVICE(0x0CF3, 0xE004) },
 107         { USB_DEVICE(0x0CF3, 0xE005) },
 108         { USB_DEVICE(0x0CF3, 0xE006) },
 109         { USB_DEVICE(0x13d3, 0x3362) },
 110         { USB_DEVICE(0x13d3, 0x3375) },
 111         { USB_DEVICE(0x13d3, 0x3393) },
 112         { USB_DEVICE(0x13d3, 0x3402) },
 113         { USB_DEVICE(0x13d3, 0x3408) },
 114         { USB_DEVICE(0x13d3, 0x3423) },
 115         { USB_DEVICE(0x13d3, 0x3432) },
 116
 117         /* Atheros AR5BBU12 with sflash firmware */
 118         { USB_DEVICE(0x0489, 0xE02C) },
 119
 120         /* Atheros AR5BBU22 with sflash firmware */
 121         { USB_DEVICE(0x0489, 0xE036) },
 122         { USB_DEVICE(0x0489, 0xE03C) },
 123
 124         { }     /* Terminating entry */
 125 };
 126
 127 MODULE_DEVICE_TABLE(usb, ath3k_table);
 128
 129 #define BTUSB_ATH3012           0x80
 130 /* This table is to load patch and sysconfig files
 131  * for AR3012 */
 132 static const struct usb_device_id ath3k_blist_tbl[] = {
 133
 134         /* Atheros AR3012 with sflash firmware*/
 135         { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
 136         { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
 137         { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 138         { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
 139         { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
 140         { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
 141         { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
 142         { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
 143         { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 144         { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
 145         { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
 146         { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 147         { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
 148         { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
 149         { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 150         { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 151         { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
 152         { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
 153         { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
 154         { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
 155         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 156         { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
 157         { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
 158         { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
 159         { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
 160         { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
 161         { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
 162         { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 163         { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
 164         { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
 165         { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
 166         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 167         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 168         { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 169         { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
 170         { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
 171         { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
 172         { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
 173
 174         /* Atheros AR5BBU22 with sflash firmware */
 175         { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
 176         { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
 177
 178         { }     /* Terminating entry */
 179 };
 180
 181 #define USB_REQ_DFU_DNLOAD      1
 182 #define BULK_SIZE               4096
 183 #define FW_HDR_SIZE             20
 184 #define TIMEGAP_USEC_MIN        50
 185 #define TIMEGAP_USEC_MAX        100
 186
 187 static int ath3k_load_firmware(struct usb_device *udev,
 188                                 const struct firmware *firmware)
 189 {
 190         u8 *send_buf;
 191         int err, pipe, len, size, sent = 0;
 192         int count = firmware->size;
 193
 194         BT_DBG("udev %p", udev);
 195
 196         pipe = usb_sndctrlpipe(udev, 0);
 197
 198         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 199         if (!send_buf) {
 200                 BT_ERR("Can't allocate memory chunk for firmware");
 201                 return -ENOMEM;
 202         }
 203
 204         memcpy(send_buf, firmware->data, 20);
 205         err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
 206                               0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
 207         if (err < 0) {
 208                 BT_ERR("Can't change to loading configuration err");
 209                 goto error;
 210         }
 211         sent += 20;
 212         count -= 20;
 213
 214         pipe = usb_sndbulkpipe(udev, 0x02);
 215
 216         while (count) {
 217                 /* workaround the compatibility issue with xHCI controller*/
 218                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 219
 220                 size = min_t(uint, count, BULK_SIZE);
 221                 memcpy(send_buf, firmware->data + sent, size);
 222
 223                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 224                                         &len, 3000);
 225
 226                 if (err || (len != size)) {
 227                         BT_ERR("Error in firmware loading err = %d,"
 228                                 "len = %d, size = %d", err, len, size);
 229                         goto error;
 230                 }
 231
 232                 sent  += size;
 233                 count -= size;
 234         }
 235
 236 error:
 237         kfree(send_buf);
 238         return err;
 239 }
 240
 241 static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
 242 {
 243         int ret, pipe = 0;
 244         char *buf;
 245
 246         buf = kmalloc(sizeof(*buf), GFP_KERNEL);
 247         if (!buf)
 248                 return -ENOMEM;
 249
 250         pipe = usb_rcvctrlpipe(udev, 0);
 251         ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
 252                               USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 253                               buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
 254
 255         *state = *buf;
 256         kfree(buf);
 257
 258         return ret;
 259 }
 260
 261 static int ath3k_get_version(struct usb_device *udev,
 262                         struct ath3k_version *version)
 263 {
 264         int ret, pipe = 0;
 265         struct ath3k_version *buf;
 266         const int size = sizeof(*buf);
 267
 268         buf = kmalloc(size, GFP_KERNEL);
 269         if (!buf)
 270                 return -ENOMEM;
 271
 272         pipe = usb_rcvctrlpipe(udev, 0);
 273         ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
 274                               USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 275                               buf, size, USB_CTRL_SET_TIMEOUT);
 276
 277         memcpy(version, buf, size);
 278         kfree(buf);
 279
 280         return ret;
 281 }
 282
 283 static int ath3k_load_fwfile(struct usb_device *udev,
 284                 const struct firmware *firmware)
 285 {
 286         u8 *send_buf;
 287         int err, pipe, len, size, count, sent = 0;
 288         int ret;
 289
 290         count = firmware->size;
 291
 292         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 293         if (!send_buf) {
 294                 BT_ERR("Can't allocate memory chunk for firmware");
 295                 return -ENOMEM;
 296         }
 297
 298         size = min_t(uint, count, FW_HDR_SIZE);
 299         memcpy(send_buf, firmware->data, size);
 300
 301         pipe = usb_sndctrlpipe(udev, 0);
 302         ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
 303                         USB_TYPE_VENDOR, 0, 0, send_buf,
 304                         size, USB_CTRL_SET_TIMEOUT);
 305         if (ret < 0) {
 306                 BT_ERR("Can't change to loading configuration err");
 307                 kfree(send_buf);
 308                 return ret;
 309         }
 310
 311         sent += size;
 312         count -= size;
 313
 314         pipe = usb_sndbulkpipe(udev, 0x02);
 315
 316         while (count) {
 317                 /* workaround the compatibility issue with xHCI controller*/
 318                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 319
 320                 size = min_t(uint, count, BULK_SIZE);
 321                 memcpy(send_buf, firmware->data + sent, size);
 322
 323                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 324                                         &len, 3000);
 325                 if (err || (len != size)) {
 326                         BT_ERR("Error in firmware loading err = %d,"
 327                                 "len = %d, size = %d", err, len, size);
 328                         kfree(send_buf);
 329                         return err;
 330                 }
 331                 sent  += size;
 332                 count -= size;
 333         }
 334
 335         kfree(send_buf);
 336         return 0;
 337 }
 338
 339 static int ath3k_switch_pid(struct usb_device *udev)
 340 {
 341         int pipe = 0;
 342
 343         pipe = usb_sndctrlpipe(udev, 0);
 344         return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
 345                         USB_TYPE_VENDOR, 0, 0,
 346                         NULL, 0, USB_CTRL_SET_TIMEOUT);
 347 }
 348
 349 static int ath3k_set_normal_mode(struct usb_device *udev)
 350 {
 351         unsigned char fw_state;
 352         int pipe = 0, ret;
 353
 354         ret = ath3k_get_state(udev, &fw_state);
 355         if (ret < 0) {
 356                 BT_ERR("Can't get state to change to normal mode err");
 357                 return ret;
 358         }
 359
 360         if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
 361                 BT_DBG("firmware was already in normal mode");
 362                 return 0;
 363         }
 364
 365         pipe = usb_sndctrlpipe(udev, 0);
 366         return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
 367                         USB_TYPE_VENDOR, 0, 0,
 368                         NULL, 0, USB_CTRL_SET_TIMEOUT);
 369 }
 370
 371 static int ath3k_load_patch(struct usb_device *udev)
 372 {
 373         unsigned char fw_state;
 374         char filename[ATH3K_NAME_LEN] = {0};
 375         const struct firmware *firmware;
 376         struct ath3k_version fw_version;
 377         __u32 pt_rom_version, pt_build_version;
 378         int ret;
 379
 380         ret = ath3k_get_state(udev, &fw_state);
 381         if (ret < 0) {
 382                 BT_ERR("Can't get state to change to load ram patch err");
 383                 return ret;
 384         }
 385
 386         if (fw_state & ATH3K_PATCH_UPDATE) {
 387                 BT_DBG("Patch was already downloaded");
 388                 return 0;
 389         }
 390
 391         ret = ath3k_get_version(udev, &fw_version);
 392         if (ret < 0) {
 393                 BT_ERR("Can't get version to change to load ram patch err");
 394                 return ret;
 395         }
 396
 397         snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
 398                  le32_to_cpu(fw_version.rom_version));
 399
 400         ret = request_firmware(&firmware, filename, &udev->dev);
 401         if (ret < 0) {
 402                 BT_ERR("Patch file not found %s", filename);
 403                 return ret;
 404         }
 405
 406         pt_rom_version = get_unaligned_le32(firmware->data +
 407                                             firmware->size - 8);
 408         pt_build_version = get_unaligned_le32(firmware->data +
 409                                               firmware->size - 4);
 410
 411         if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
 412             pt_build_version <= le32_to_cpu(fw_version.build_version)) {
 413                 BT_ERR("Patch file version did not match with firmware");
 414                 release_firmware(firmware);
 415                 return -EINVAL;
 416         }
 417
 418         ret = ath3k_load_fwfile(udev, firmware);
 419         release_firmware(firmware);
 420
 421         return ret;
 422 }
 423
 424 static int ath3k_load_syscfg(struct usb_device *udev)
 425 {
 426         unsigned char fw_state;
 427         char filename[ATH3K_NAME_LEN] = {0};
 428         const struct firmware *firmware;
 429         struct ath3k_version fw_version;
 430         int clk_value, ret;
 431
 432         ret = ath3k_get_state(udev, &fw_state);
 433         if (ret < 0) {
 434                 BT_ERR("Can't get state to change to load configuration err");
 435                 return -EBUSY;
 436         }
 437
 438         ret = ath3k_get_version(udev, &fw_version);
 439         if (ret < 0) {
 440                 BT_ERR("Can't get version to change to load ram patch err");
 441                 return ret;
 442         }
 443
 444         switch (fw_version.ref_clock) {
 445
 446         case ATH3K_XTAL_FREQ_26M:
 447                 clk_value = 26;
 448                 break;
 449         case ATH3K_XTAL_FREQ_40M:
 450                 clk_value = 40;
 451                 break;
 452         case ATH3K_XTAL_FREQ_19P2:
 453                 clk_value = 19;
 454                 break;
 455         default:
 456                 clk_value = 0;
 457                 break;
 458         }
 459
 460         snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
 461                 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
 462
 463         ret = request_firmware(&firmware, filename, &udev->dev);
 464         if (ret < 0) {
 465                 BT_ERR("Configuration file not found %s", filename);
 466                 return ret;
 467         }
 468
 469         ret = ath3k_load_fwfile(udev, firmware);
 470         release_firmware(firmware);
 471
 472         return ret;
 473 }
 474
 475 static int ath3k_probe(struct usb_interface *intf,
 476                         const struct usb_device_id *id)
 477 {
 478         const struct firmware *firmware;
 479         struct usb_device *udev = interface_to_usbdev(intf);
 480         int ret;
 481
 482         BT_DBG("intf %p id %p", intf, id);
 483
 484         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 485                 return -ENODEV;
 486
 487         /* match device ID in ath3k blacklist table */
 488         if (!id->driver_info) {
 489                 const struct usb_device_id *match;
 490                 match = usb_match_id(intf, ath3k_blist_tbl);
 491                 if (match)
 492                         id = match;
 493         }
 494
 495         /* load patch and sysconfig files for AR3012 */
 496         if (id->driver_info & BTUSB_ATH3012) {
 497
 498                 /* New firmware with patch and sysconfig files already loaded */
 499                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
 500                         return -ENODEV;
 501
 502                 ret = ath3k_load_patch(udev);
 503                 if (ret < 0) {
 504                         BT_ERR("Loading patch file failed");
 505                         return ret;
 506                 }
 507                 ret = ath3k_load_syscfg(udev);
 508                 if (ret < 0) {
 509                         BT_ERR("Loading sysconfig file failed");
 510                         return ret;
 511                 }
 512                 ret = ath3k_set_normal_mode(udev);
 513                 if (ret < 0) {
 514                         BT_ERR("Set normal mode failed");
 515                         return ret;
 516                 }
 517                 ath3k_switch_pid(udev);
 518                 return 0;
 519         }
 520
 521         ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
 522         if (ret < 0) {
 523                 if (ret == -ENOENT)
 524                         BT_ERR("Firmware file \"%s\" not found",
 525                                                         ATH3K_FIRMWARE);
 526                 else
 527                         BT_ERR("Firmware file \"%s\" request failed (err=%d)",
 528                                                         ATH3K_FIRMWARE, ret);
 529                 return ret;
 530         }
 531
 532         ret = ath3k_load_firmware(udev, firmware);
 533         release_firmware(firmware);
 534
 535         return ret;
 536 }
 537
 538 static void ath3k_disconnect(struct usb_interface *intf)
 539 {
 540         BT_DBG("ath3k_disconnect intf %p", intf);
 541 }
 542
 543 static struct usb_driver ath3k_driver = {
 544         .name           = "ath3k",
 545         .probe          = ath3k_probe,
 546         .disconnect     = ath3k_disconnect,
 547         .id_table       = ath3k_table,
 548         .disable_hub_initiated_lpm = 1,
 549 };
 550
 551 module_usb_driver(ath3k_driver);
 552
 553 MODULE_AUTHOR("Atheros Communications");
 554 MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
 555 MODULE_VERSION(VERSION);
 556 MODULE_LICENSE("GPL");
 557 MODULE_FIRMWARE(ATH3K_FIRMWARE);