drivers/bluetooth/ath3k.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (c) 2008-2009 Atheros Communications Inc.
   4  */
   5
   6 #include <linux/module.h>
   7 #include <linux/kernel.h>
   8 #include <linux/init.h>
   9 #include <linux/slab.h>
  10 #include <linux/types.h>
  11 #include <linux/errno.h>
  12 #include <linux/firmware.h>
  13 #include <linux/usb.h>
  14 #include <linux/unaligned.h>
  15 #include <net/bluetooth/bluetooth.h>
  16
  17 #define VERSION "1.0"
  18 #define ATH3K_FIRMWARE  "ath3k-1.fw"
  19
  20 #define ATH3K_DNLOAD                            0x01
  21 #define ATH3K_GETSTATE                          0x05
  22 #define ATH3K_SET_NORMAL_MODE                   0x07
  23 #define ATH3K_GETVERSION                        0x09
  24 #define USB_REG_SWITCH_VID_PID                  0x0a
  25
  26 #define ATH3K_MODE_MASK                         0x3F
  27 #define ATH3K_NORMAL_MODE                       0x0E
  28
  29 #define ATH3K_PATCH_UPDATE                      0x80
  30 #define ATH3K_SYSCFG_UPDATE                     0x40
  31
  32 #define ATH3K_XTAL_FREQ_26M                     0x00
  33 #define ATH3K_XTAL_FREQ_40M                     0x01
  34 #define ATH3K_XTAL_FREQ_19P2                    0x02
  35 #define ATH3K_NAME_LEN                          0xFF
  36
  37 struct ath3k_version {
  38         __le32  rom_version;
  39         __le32  build_version;
  40         __le32  ram_version;
  41         __u8    ref_clock;
  42         __u8    reserved[7];
  43 } __packed;
  44
  45 static const struct usb_device_id ath3k_table[] = {
  46         /* Atheros AR3011 */
  47         { USB_DEVICE(0x0CF3, 0x3000) },
  48
  49         /* Atheros AR3011 with sflash firmware*/
  50         { USB_DEVICE(0x0489, 0xE027) },
  51         { USB_DEVICE(0x0489, 0xE03D) },
  52         { USB_DEVICE(0x04F2, 0xAFF1) },
  53         { USB_DEVICE(0x0930, 0x0215) },
  54         { USB_DEVICE(0x0CF3, 0x3002) },
  55         { USB_DEVICE(0x0CF3, 0xE019) },
  56         { USB_DEVICE(0x13d3, 0x3304) },
  57
  58         /* Atheros AR9285 Malbec with sflash firmware */
  59         { USB_DEVICE(0x03F0, 0x311D) },
  60
  61         /* Atheros AR3012 with sflash firmware*/
  62         { USB_DEVICE(0x0489, 0xe04d) },
  63         { USB_DEVICE(0x0489, 0xe04e) },
  64         { USB_DEVICE(0x0489, 0xe057) },
  65         { USB_DEVICE(0x0489, 0xe056) },
  66         { USB_DEVICE(0x0489, 0xe05f) },
  67         { USB_DEVICE(0x0489, 0xe076) },
  68         { USB_DEVICE(0x0489, 0xe078) },
  69         { USB_DEVICE(0x0489, 0xe095) },
  70         { USB_DEVICE(0x04c5, 0x1330) },
  71         { USB_DEVICE(0x04CA, 0x3004) },
  72         { USB_DEVICE(0x04CA, 0x3005) },
  73         { USB_DEVICE(0x04CA, 0x3006) },
  74         { USB_DEVICE(0x04CA, 0x3007) },
  75         { USB_DEVICE(0x04CA, 0x3008) },
  76         { USB_DEVICE(0x04CA, 0x300b) },
  77         { USB_DEVICE(0x04CA, 0x300d) },
  78         { USB_DEVICE(0x04CA, 0x300f) },
  79         { USB_DEVICE(0x04CA, 0x3010) },
  80         { USB_DEVICE(0x04CA, 0x3014) },
  81         { USB_DEVICE(0x04CA, 0x3018) },
  82         { USB_DEVICE(0x0930, 0x0219) },
  83         { USB_DEVICE(0x0930, 0x021c) },
  84         { USB_DEVICE(0x0930, 0x0220) },
  85         { USB_DEVICE(0x0930, 0x0227) },
  86         { USB_DEVICE(0x0b05, 0x17d0) },
  87         { USB_DEVICE(0x0CF3, 0x0036) },
  88         { USB_DEVICE(0x0CF3, 0x3004) },
  89         { USB_DEVICE(0x0CF3, 0x3008) },
  90         { USB_DEVICE(0x0CF3, 0x311D) },
  91         { USB_DEVICE(0x0CF3, 0x311E) },
  92         { USB_DEVICE(0x0CF3, 0x311F) },
  93         { USB_DEVICE(0x0cf3, 0x3121) },
  94         { USB_DEVICE(0x0CF3, 0x817a) },
  95         { USB_DEVICE(0x0CF3, 0x817b) },
  96         { USB_DEVICE(0x0cf3, 0xe003) },
  97         { USB_DEVICE(0x0CF3, 0xE004) },
  98         { USB_DEVICE(0x0CF3, 0xE005) },
  99         { USB_DEVICE(0x0CF3, 0xE006) },
 100         { USB_DEVICE(0x13d3, 0x3362) },
 101         { USB_DEVICE(0x13d3, 0x3375) },
 102         { USB_DEVICE(0x13d3, 0x3393) },
 103         { USB_DEVICE(0x13d3, 0x3395) },
 104         { USB_DEVICE(0x13d3, 0x3402) },
 105         { USB_DEVICE(0x13d3, 0x3408) },
 106         { USB_DEVICE(0x13d3, 0x3423) },
 107         { USB_DEVICE(0x13d3, 0x3432) },
 108         { USB_DEVICE(0x13d3, 0x3472) },
 109         { USB_DEVICE(0x13d3, 0x3474) },
 110         { USB_DEVICE(0x13d3, 0x3487) },
 111         { USB_DEVICE(0x13d3, 0x3490) },
 112
 113         /* Atheros AR5BBU12 with sflash firmware */
 114         { USB_DEVICE(0x0489, 0xE02C) },
 115
 116         /* Atheros AR5BBU22 with sflash firmware */
 117         { USB_DEVICE(0x0489, 0xE036) },
 118         { USB_DEVICE(0x0489, 0xE03C) },
 119
 120         { }     /* Terminating entry */
 121 };
 122
 123 MODULE_DEVICE_TABLE(usb, ath3k_table);
 124
 125 #define BTUSB_ATH3012           0x80
 126 /* This table is to load patch and sysconfig files
 127  * for AR3012
 128  */
 129 static const struct usb_device_id ath3k_blist_tbl[] = {
 130         /* Atheros AR3012 with sflash firmware*/
 131         { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
 132         { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
 133         { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
 134         { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
 135         { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
 136         { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
 137         { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
 138         { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
 139         { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
 140         { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
 141         { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
 142         { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
 143         { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
 144         { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
 145         { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
 146         { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
 147         { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
 148         { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
 149         { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
 150         { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
 151         { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
 152         { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
 153         { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
 154         { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
 155         { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
 156         { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
 157         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
 158         { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
 159         { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
 160         { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
 161         { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
 162         { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
 163         { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
 164         { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
 165         { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
 166         { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
 167         { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
 168         { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
 169         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
 170         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
 171         { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
 172         { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
 173         { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
 174         { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
 175         { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
 176         { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
 177         { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
 178         { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
 179         { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
 180         { USB_DEVICE(0x13d3, 0x3490), .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 static inline void ath3k_log_failed_loading(int err, int len, int size,
 190                                             int count)
 191 {
 192         BT_ERR("Firmware loading err = %d, len = %d, size = %d, count = %d",
 193                err, len, size, count);
 194 }
 195
 196 #define USB_REQ_DFU_DNLOAD      1
 197 #define BULK_SIZE               4096
 198 #define FW_HDR_SIZE             20
 199 #define TIMEGAP_USEC_MIN        50
 200 #define TIMEGAP_USEC_MAX        100
 201
 202 static int ath3k_load_firmware(struct usb_device *udev,
 203                                const struct firmware *firmware)
 204 {
 205         u8 *send_buf;
 206         int len = 0;
 207         int err, pipe, size, sent = 0;
 208         int count = firmware->size;
 209
 210         BT_DBG("udev %p", udev);
 211
 212         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 213         if (!send_buf) {
 214                 BT_ERR("Can't allocate memory chunk for firmware");
 215                 return -ENOMEM;
 216         }
 217
 218         err = usb_control_msg_send(udev, 0, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
 219                                    0, 0, firmware->data, FW_HDR_SIZE,
 220                                    USB_CTRL_SET_TIMEOUT, GFP_KERNEL);
 221         if (err) {
 222                 BT_ERR("Can't change to loading configuration err");
 223                 goto error;
 224         }
 225         sent += FW_HDR_SIZE;
 226         count -= FW_HDR_SIZE;
 227
 228         pipe = usb_sndbulkpipe(udev, 0x02);
 229
 230         while (count) {
 231                 /* workaround the compatibility issue with xHCI controller*/
 232                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 233
 234                 size = min_t(uint, count, BULK_SIZE);
 235                 memcpy(send_buf, firmware->data + sent, size);
 236
 237                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 238                                    &len, 3000);
 239
 240                 if (err || len != size) {
 241                         ath3k_log_failed_loading(err, len, size, count);
 242                         goto error;
 243                 }
 244
 245                 sent  += size;
 246                 count -= size;
 247         }
 248
 249 error:
 250         kfree(send_buf);
 251         return err;
 252 }
 253
 254 static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
 255 {
 256         return usb_control_msg_recv(udev, 0, ATH3K_GETSTATE,
 257                                     USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 258                                     state, 1, USB_CTRL_SET_TIMEOUT,
 259                                     GFP_KERNEL);
 260 }
 261
 262 static int ath3k_get_version(struct usb_device *udev,
 263                              struct ath3k_version *version)
 264 {
 265         return usb_control_msg_recv(udev, 0, ATH3K_GETVERSION,
 266                                     USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
 267                                     version, sizeof(*version), USB_CTRL_SET_TIMEOUT,
 268                                     GFP_KERNEL);
 269 }
 270
 271 static int ath3k_load_fwfile(struct usb_device *udev,
 272                              const struct firmware *firmware)
 273 {
 274         u8 *send_buf;
 275         int len = 0;
 276         int err, pipe, size, count, sent = 0;
 277         int ret;
 278
 279         count = firmware->size;
 280
 281         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
 282         if (!send_buf) {
 283                 BT_ERR("Can't allocate memory chunk for firmware");
 284                 return -ENOMEM;
 285         }
 286
 287         size = min_t(uint, count, FW_HDR_SIZE);
 288
 289         ret = usb_control_msg_send(udev, 0, ATH3K_DNLOAD, USB_TYPE_VENDOR, 0, 0,
 290                                    firmware->data, size, USB_CTRL_SET_TIMEOUT,
 291                                    GFP_KERNEL);
 292         if (ret) {
 293                 BT_ERR("Can't change to loading configuration err");
 294                 kfree(send_buf);
 295                 return ret;
 296         }
 297
 298         sent += size;
 299         count -= size;
 300
 301         pipe = usb_sndbulkpipe(udev, 0x02);
 302
 303         while (count) {
 304                 /* workaround the compatibility issue with xHCI controller*/
 305                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
 306
 307                 size = min_t(uint, count, BULK_SIZE);
 308                 memcpy(send_buf, firmware->data + sent, size);
 309
 310                 err = usb_bulk_msg(udev, pipe, send_buf, size,
 311                                    &len, 3000);
 312                 if (err || len != size) {
 313                         ath3k_log_failed_loading(err, len, size, count);
 314                         kfree(send_buf);
 315                         return err;
 316                 }
 317                 sent  += size;
 318                 count -= size;
 319         }
 320
 321         kfree(send_buf);
 322         return 0;
 323 }
 324
 325 static void ath3k_switch_pid(struct usb_device *udev)
 326 {
 327         usb_control_msg_send(udev, 0, USB_REG_SWITCH_VID_PID, USB_TYPE_VENDOR,
 328                              0, 0, NULL, 0, USB_CTRL_SET_TIMEOUT, GFP_KERNEL);
 329 }
 330
 331 static int ath3k_set_normal_mode(struct usb_device *udev)
 332 {
 333         unsigned char fw_state;
 334         int ret;
 335
 336         ret = ath3k_get_state(udev, &fw_state);
 337         if (ret) {
 338                 BT_ERR("Can't get state to change to normal mode err");
 339                 return ret;
 340         }
 341
 342         if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
 343                 BT_DBG("firmware was already in normal mode");
 344                 return 0;
 345         }
 346
 347         return usb_control_msg_send(udev, 0, ATH3K_SET_NORMAL_MODE,
 348                                     USB_TYPE_VENDOR, 0, 0, NULL, 0,
 349                                     USB_CTRL_SET_TIMEOUT, GFP_KERNEL);
 350 }
 351
 352 static int ath3k_load_patch(struct usb_device *udev)
 353 {
 354         unsigned char fw_state;
 355         char filename[ATH3K_NAME_LEN];
 356         const struct firmware *firmware;
 357         struct ath3k_version fw_version;
 358         __u32 pt_rom_version, pt_build_version;
 359         int ret;
 360
 361         ret = ath3k_get_state(udev, &fw_state);
 362         if (ret) {
 363                 BT_ERR("Can't get state to change to load ram patch err");
 364                 return ret;
 365         }
 366
 367         if (fw_state & ATH3K_PATCH_UPDATE) {
 368                 BT_DBG("Patch was already downloaded");
 369                 return 0;
 370         }
 371
 372         ret = ath3k_get_version(udev, &fw_version);
 373         if (ret) {
 374                 BT_ERR("Can't get version to change to load ram patch err");
 375                 return ret;
 376         }
 377
 378         snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
 379                  le32_to_cpu(fw_version.rom_version));
 380
 381         ret = request_firmware(&firmware, filename, &udev->dev);
 382         if (ret < 0) {
 383                 BT_ERR("Patch file not found %s", filename);
 384                 return ret;
 385         }
 386
 387         pt_rom_version = get_unaligned_le32(firmware->data +
 388                                             firmware->size - 8);
 389         pt_build_version = get_unaligned_le32(firmware->data +
 390                                               firmware->size - 4);
 391
 392         if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
 393             pt_build_version <= le32_to_cpu(fw_version.build_version)) {
 394                 BT_ERR("Patch file version did not match with firmware");
 395                 release_firmware(firmware);
 396                 return -EINVAL;
 397         }
 398
 399         ret = ath3k_load_fwfile(udev, firmware);
 400         release_firmware(firmware);
 401
 402         return ret;
 403 }
 404
 405 static int ath3k_load_syscfg(struct usb_device *udev)
 406 {
 407         unsigned char fw_state;
 408         char filename[ATH3K_NAME_LEN];
 409         const struct firmware *firmware;
 410         struct ath3k_version fw_version;
 411         int clk_value, ret;
 412
 413         ret = ath3k_get_state(udev, &fw_state);
 414         if (ret) {
 415                 BT_ERR("Can't get state to change to load configuration err");
 416                 return -EBUSY;
 417         }
 418
 419         ret = ath3k_get_version(udev, &fw_version);
 420         if (ret) {
 421                 BT_ERR("Can't get version to change to load ram patch err");
 422                 return ret;
 423         }
 424
 425         switch (fw_version.ref_clock) {
 426         case ATH3K_XTAL_FREQ_26M:
 427                 clk_value = 26;
 428                 break;
 429         case ATH3K_XTAL_FREQ_40M:
 430                 clk_value = 40;
 431                 break;
 432         case ATH3K_XTAL_FREQ_19P2:
 433                 clk_value = 19;
 434                 break;
 435         default:
 436                 clk_value = 0;
 437                 break;
 438         }
 439
 440         snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
 441                  le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
 442
 443         ret = request_firmware(&firmware, filename, &udev->dev);
 444         if (ret < 0) {
 445                 BT_ERR("Configuration file not found %s", filename);
 446                 return ret;
 447         }
 448
 449         ret = ath3k_load_fwfile(udev, firmware);
 450         release_firmware(firmware);
 451
 452         return ret;
 453 }
 454
 455 static int ath3k_probe(struct usb_interface *intf,
 456                        const struct usb_device_id *id)
 457 {
 458         const struct firmware *firmware;
 459         struct usb_device *udev = interface_to_usbdev(intf);
 460         int ret;
 461
 462         BT_DBG("intf %p id %p", intf, id);
 463
 464         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
 465                 return -ENODEV;
 466
 467         /* match device ID in ath3k blacklist table */
 468         if (!id->driver_info) {
 469                 const struct usb_device_id *match;
 470
 471                 match = usb_match_id(intf, ath3k_blist_tbl);
 472                 if (match)
 473                         id = match;
 474         }
 475
 476         /* load patch and sysconfig files for AR3012 */
 477         if (id->driver_info & BTUSB_ATH3012) {
 478                 /* New firmware with patch and sysconfig files already loaded */
 479                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
 480                         return -ENODEV;
 481
 482                 ret = ath3k_load_patch(udev);
 483                 if (ret < 0) {
 484                         BT_ERR("Loading patch file failed");
 485                         return ret;
 486                 }
 487                 ret = ath3k_load_syscfg(udev);
 488                 if (ret < 0) {
 489                         BT_ERR("Loading sysconfig file failed");
 490                         return ret;
 491                 }
 492                 ret = ath3k_set_normal_mode(udev);
 493                 if (ret) {
 494                         BT_ERR("Set normal mode failed");
 495                         return ret;
 496                 }
 497                 ath3k_switch_pid(udev);
 498                 return 0;
 499         }
 500
 501         ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
 502         if (ret < 0) {
 503                 if (ret == -ENOENT)
 504                         BT_ERR("Firmware file \"%s\" not found",
 505                                ATH3K_FIRMWARE);
 506                 else
 507                         BT_ERR("Firmware file \"%s\" request failed (err=%d)",
 508                                ATH3K_FIRMWARE, ret);
 509                 return ret;
 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("%s intf %p", __func__, 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         .disable_hub_initiated_lpm = 1,
 529 };
 530
 531 module_usb_driver(ath3k_driver);
 532
 533 MODULE_AUTHOR("Atheros Communications");
 534 MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
 535 MODULE_VERSION(VERSION);
 536 MODULE_LICENSE("GPL");
 537 MODULE_FIRMWARE(ATH3K_FIRMWARE);