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(0x0489, 0xe095) }, 86 { USB_DEVICE(0x04c5, 0x1330) }, 87 { USB_DEVICE(0x04CA, 0x3004) }, 88 { USB_DEVICE(0x04CA, 0x3005) }, 89 { USB_DEVICE(0x04CA, 0x3006) }, 90 { USB_DEVICE(0x04CA, 0x3007) }, 91 { USB_DEVICE(0x04CA, 0x3008) }, 92 { USB_DEVICE(0x04CA, 0x300b) }, 93 { USB_DEVICE(0x04CA, 0x300d) }, 94 { USB_DEVICE(0x04CA, 0x300f) }, 95 { USB_DEVICE(0x04CA, 0x3010) }, 96 { USB_DEVICE(0x04CA, 0x3014) }, 97 { USB_DEVICE(0x04CA, 0x3018) }, 98 { USB_DEVICE(0x0930, 0x0219) }, 99 { USB_DEVICE(0x0930, 0x021c) }, 100 { USB_DEVICE(0x0930, 0x0220) }, 101 { USB_DEVICE(0x0930, 0x0227) }, 102 { USB_DEVICE(0x0b05, 0x17d0) }, 103 { USB_DEVICE(0x0CF3, 0x0036) }, 104 { USB_DEVICE(0x0CF3, 0x3004) }, 105 { USB_DEVICE(0x0CF3, 0x3008) }, 106 { USB_DEVICE(0x0CF3, 0x311D) }, 107 { USB_DEVICE(0x0CF3, 0x311E) }, 108 { USB_DEVICE(0x0CF3, 0x311F) }, 109 { USB_DEVICE(0x0cf3, 0x3121) }, 110 { USB_DEVICE(0x0CF3, 0x817a) }, 111 { USB_DEVICE(0x0CF3, 0x817b) }, 112 { USB_DEVICE(0x0cf3, 0xe003) }, 113 { USB_DEVICE(0x0CF3, 0xE004) }, 114 { USB_DEVICE(0x0CF3, 0xE005) }, 115 { USB_DEVICE(0x0CF3, 0xE006) }, 116 { USB_DEVICE(0x13d3, 0x3362) }, 117 { USB_DEVICE(0x13d3, 0x3375) }, 118 { USB_DEVICE(0x13d3, 0x3393) }, 119 { USB_DEVICE(0x13d3, 0x3395) }, 120 { USB_DEVICE(0x13d3, 0x3402) }, 121 { USB_DEVICE(0x13d3, 0x3408) }, 122 { USB_DEVICE(0x13d3, 0x3423) }, 123 { USB_DEVICE(0x13d3, 0x3432) }, 124 { USB_DEVICE(0x13d3, 0x3472) }, 125 { USB_DEVICE(0x13d3, 0x3474) }, 126 { USB_DEVICE(0x13d3, 0x3487) }, 127 { USB_DEVICE(0x13d3, 0x3490) }, 128 129 /* Atheros AR5BBU12 with sflash firmware */ 130 { USB_DEVICE(0x0489, 0xE02C) }, 131 132 /* Atheros AR5BBU22 with sflash firmware */ 133 { USB_DEVICE(0x0489, 0xE036) }, 134 { USB_DEVICE(0x0489, 0xE03C) }, 135 136 { } /* Terminating entry */ 137 }; 138 139 MODULE_DEVICE_TABLE(usb, ath3k_table); 140 141 #define BTUSB_ATH3012 0x80 142 /* This table is to load patch and sysconfig files 143 * for AR3012 */ 144 static const struct usb_device_id ath3k_blist_tbl[] = { 145 146 /* Atheros AR3012 with sflash firmware*/ 147 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, 148 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, 149 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, 150 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, 151 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, 152 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, 153 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, 154 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, 155 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, 156 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, 157 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, 158 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, 159 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, 160 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, 161 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, 162 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, 163 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, 164 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, 165 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, 166 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, 167 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, 168 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, 169 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, 170 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, 171 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, 172 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 }, 173 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, 174 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, 175 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, 176 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 }, 177 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 }, 178 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, 179 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 }, 180 { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 }, 181 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, 182 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, 183 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, 184 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, 185 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, 186 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, 187 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, 188 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, 189 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, 190 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, 191 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, 192 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, 193 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, 194 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, 195 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, 196 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, 197 198 /* Atheros AR5BBU22 with sflash firmware */ 199 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 }, 200 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 }, 201 202 { } /* Terminating entry */ 203 }; 204 205 #define USB_REQ_DFU_DNLOAD 1 206 #define BULK_SIZE 4096 207 #define FW_HDR_SIZE 20 208 #define TIMEGAP_USEC_MIN 50 209 #define TIMEGAP_USEC_MAX 100 210 211 static int ath3k_load_firmware(struct usb_device *udev, 212 const struct firmware *firmware) 213 { 214 u8 *send_buf; 215 int len = 0; 216 int err, pipe, size, sent = 0; 217 int count = firmware->size; 218 219 BT_DBG("udev %p", udev); 220 221 pipe = usb_sndctrlpipe(udev, 0); 222 223 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); 224 if (!send_buf) { 225 BT_ERR("Can't allocate memory chunk for firmware"); 226 return -ENOMEM; 227 } 228 229 memcpy(send_buf, firmware->data, 20); 230 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR, 231 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT); 232 if (err < 0) { 233 BT_ERR("Can't change to loading configuration err"); 234 goto error; 235 } 236 sent += 20; 237 count -= 20; 238 239 pipe = usb_sndbulkpipe(udev, 0x02); 240 241 while (count) { 242 /* workaround the compatibility issue with xHCI controller*/ 243 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); 244 245 size = min_t(uint, count, BULK_SIZE); 246 memcpy(send_buf, firmware->data + sent, size); 247 248 err = usb_bulk_msg(udev, pipe, send_buf, size, 249 &len, 3000); 250 251 if (err || (len != size)) { 252 BT_ERR("Error in firmware loading err = %d," 253 "len = %d, size = %d", err, len, size); 254 goto error; 255 } 256 257 sent += size; 258 count -= size; 259 } 260 261 error: 262 kfree(send_buf); 263 return err; 264 } 265 266 static int ath3k_get_state(struct usb_device *udev, unsigned char *state) 267 { 268 int ret, pipe = 0; 269 char *buf; 270 271 buf = kmalloc(sizeof(*buf), GFP_KERNEL); 272 if (!buf) 273 return -ENOMEM; 274 275 pipe = usb_rcvctrlpipe(udev, 0); 276 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE, 277 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, 278 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT); 279 280 *state = *buf; 281 kfree(buf); 282 283 return ret; 284 } 285 286 static int ath3k_get_version(struct usb_device *udev, 287 struct ath3k_version *version) 288 { 289 int ret, pipe = 0; 290 struct ath3k_version *buf; 291 const int size = sizeof(*buf); 292 293 buf = kmalloc(size, GFP_KERNEL); 294 if (!buf) 295 return -ENOMEM; 296 297 pipe = usb_rcvctrlpipe(udev, 0); 298 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION, 299 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, 300 buf, size, USB_CTRL_SET_TIMEOUT); 301 302 memcpy(version, buf, size); 303 kfree(buf); 304 305 return ret; 306 } 307 308 static int ath3k_load_fwfile(struct usb_device *udev, 309 const struct firmware *firmware) 310 { 311 u8 *send_buf; 312 int len = 0; 313 int err, pipe, size, count, sent = 0; 314 int ret; 315 316 count = firmware->size; 317 318 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); 319 if (!send_buf) { 320 BT_ERR("Can't allocate memory chunk for firmware"); 321 return -ENOMEM; 322 } 323 324 size = min_t(uint, count, FW_HDR_SIZE); 325 memcpy(send_buf, firmware->data, size); 326 327 pipe = usb_sndctrlpipe(udev, 0); 328 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD, 329 USB_TYPE_VENDOR, 0, 0, send_buf, 330 size, USB_CTRL_SET_TIMEOUT); 331 if (ret < 0) { 332 BT_ERR("Can't change to loading configuration err"); 333 kfree(send_buf); 334 return ret; 335 } 336 337 sent += size; 338 count -= size; 339 340 pipe = usb_sndbulkpipe(udev, 0x02); 341 342 while (count) { 343 /* workaround the compatibility issue with xHCI controller*/ 344 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); 345 346 size = min_t(uint, count, BULK_SIZE); 347 memcpy(send_buf, firmware->data + sent, size); 348 349 err = usb_bulk_msg(udev, pipe, send_buf, size, 350 &len, 3000); 351 if (err || (len != size)) { 352 BT_ERR("Error in firmware loading err = %d," 353 "len = %d, size = %d", err, len, size); 354 kfree(send_buf); 355 return err; 356 } 357 sent += size; 358 count -= size; 359 } 360 361 kfree(send_buf); 362 return 0; 363 } 364 365 static int ath3k_switch_pid(struct usb_device *udev) 366 { 367 int pipe = 0; 368 369 pipe = usb_sndctrlpipe(udev, 0); 370 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID, 371 USB_TYPE_VENDOR, 0, 0, 372 NULL, 0, USB_CTRL_SET_TIMEOUT); 373 } 374 375 static int ath3k_set_normal_mode(struct usb_device *udev) 376 { 377 unsigned char fw_state; 378 int pipe = 0, ret; 379 380 ret = ath3k_get_state(udev, &fw_state); 381 if (ret < 0) { 382 BT_ERR("Can't get state to change to normal mode err"); 383 return ret; 384 } 385 386 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) { 387 BT_DBG("firmware was already in normal mode"); 388 return 0; 389 } 390 391 pipe = usb_sndctrlpipe(udev, 0); 392 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE, 393 USB_TYPE_VENDOR, 0, 0, 394 NULL, 0, USB_CTRL_SET_TIMEOUT); 395 } 396 397 static int ath3k_load_patch(struct usb_device *udev) 398 { 399 unsigned char fw_state; 400 char filename[ATH3K_NAME_LEN] = {0}; 401 const struct firmware *firmware; 402 struct ath3k_version fw_version; 403 __u32 pt_rom_version, pt_build_version; 404 int ret; 405 406 ret = ath3k_get_state(udev, &fw_state); 407 if (ret < 0) { 408 BT_ERR("Can't get state to change to load ram patch err"); 409 return ret; 410 } 411 412 if (fw_state & ATH3K_PATCH_UPDATE) { 413 BT_DBG("Patch was already downloaded"); 414 return 0; 415 } 416 417 ret = ath3k_get_version(udev, &fw_version); 418 if (ret < 0) { 419 BT_ERR("Can't get version to change to load ram patch err"); 420 return ret; 421 } 422 423 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu", 424 le32_to_cpu(fw_version.rom_version)); 425 426 ret = request_firmware(&firmware, filename, &udev->dev); 427 if (ret < 0) { 428 BT_ERR("Patch file not found %s", filename); 429 return ret; 430 } 431 432 pt_rom_version = get_unaligned_le32(firmware->data + 433 firmware->size - 8); 434 pt_build_version = get_unaligned_le32(firmware->data + 435 firmware->size - 4); 436 437 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) || 438 pt_build_version <= le32_to_cpu(fw_version.build_version)) { 439 BT_ERR("Patch file version did not match with firmware"); 440 release_firmware(firmware); 441 return -EINVAL; 442 } 443 444 ret = ath3k_load_fwfile(udev, firmware); 445 release_firmware(firmware); 446 447 return ret; 448 } 449 450 static int ath3k_load_syscfg(struct usb_device *udev) 451 { 452 unsigned char fw_state; 453 char filename[ATH3K_NAME_LEN] = {0}; 454 const struct firmware *firmware; 455 struct ath3k_version fw_version; 456 int clk_value, ret; 457 458 ret = ath3k_get_state(udev, &fw_state); 459 if (ret < 0) { 460 BT_ERR("Can't get state to change to load configuration err"); 461 return -EBUSY; 462 } 463 464 ret = ath3k_get_version(udev, &fw_version); 465 if (ret < 0) { 466 BT_ERR("Can't get version to change to load ram patch err"); 467 return ret; 468 } 469 470 switch (fw_version.ref_clock) { 471 472 case ATH3K_XTAL_FREQ_26M: 473 clk_value = 26; 474 break; 475 case ATH3K_XTAL_FREQ_40M: 476 clk_value = 40; 477 break; 478 case ATH3K_XTAL_FREQ_19P2: 479 clk_value = 19; 480 break; 481 default: 482 clk_value = 0; 483 break; 484 } 485 486 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s", 487 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu"); 488 489 ret = request_firmware(&firmware, filename, &udev->dev); 490 if (ret < 0) { 491 BT_ERR("Configuration file not found %s", filename); 492 return ret; 493 } 494 495 ret = ath3k_load_fwfile(udev, firmware); 496 release_firmware(firmware); 497 498 return ret; 499 } 500 501 static int ath3k_probe(struct usb_interface *intf, 502 const struct usb_device_id *id) 503 { 504 const struct firmware *firmware; 505 struct usb_device *udev = interface_to_usbdev(intf); 506 int ret; 507 508 BT_DBG("intf %p id %p", intf, id); 509 510 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) 511 return -ENODEV; 512 513 /* match device ID in ath3k blacklist table */ 514 if (!id->driver_info) { 515 const struct usb_device_id *match; 516 517 match = usb_match_id(intf, ath3k_blist_tbl); 518 if (match) 519 id = match; 520 } 521 522 /* load patch and sysconfig files for AR3012 */ 523 if (id->driver_info & BTUSB_ATH3012) { 524 525 /* New firmware with patch and sysconfig files already loaded */ 526 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001) 527 return -ENODEV; 528 529 ret = ath3k_load_patch(udev); 530 if (ret < 0) { 531 BT_ERR("Loading patch file failed"); 532 return ret; 533 } 534 ret = ath3k_load_syscfg(udev); 535 if (ret < 0) { 536 BT_ERR("Loading sysconfig file failed"); 537 return ret; 538 } 539 ret = ath3k_set_normal_mode(udev); 540 if (ret < 0) { 541 BT_ERR("Set normal mode failed"); 542 return ret; 543 } 544 ath3k_switch_pid(udev); 545 return 0; 546 } 547 548 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev); 549 if (ret < 0) { 550 if (ret == -ENOENT) 551 BT_ERR("Firmware file \"%s\" not found", 552 ATH3K_FIRMWARE); 553 else 554 BT_ERR("Firmware file \"%s\" request failed (err=%d)", 555 ATH3K_FIRMWARE, ret); 556 return ret; 557 } 558 559 ret = ath3k_load_firmware(udev, firmware); 560 release_firmware(firmware); 561 562 return ret; 563 } 564 565 static void ath3k_disconnect(struct usb_interface *intf) 566 { 567 BT_DBG("ath3k_disconnect intf %p", intf); 568 } 569 570 static struct usb_driver ath3k_driver = { 571 .name = "ath3k", 572 .probe = ath3k_probe, 573 .disconnect = ath3k_disconnect, 574 .id_table = ath3k_table, 575 .disable_hub_initiated_lpm = 1, 576 }; 577 578 module_usb_driver(ath3k_driver); 579 580 MODULE_AUTHOR("Atheros Communications"); 581 MODULE_DESCRIPTION("Atheros AR30xx firmware driver"); 582 MODULE_VERSION(VERSION); 583 MODULE_LICENSE("GPL"); 584 MODULE_FIRMWARE(ATH3K_FIRMWARE); 585