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 */ 145 static const struct usb_device_id ath3k_blist_tbl[] = { 146 147 /* Atheros AR3012 with sflash firmware*/ 148 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, 149 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, 150 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, 151 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, 152 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, 153 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, 154 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, 155 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, 156 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, 157 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, 158 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, 159 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, 160 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, 161 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, 162 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, 163 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, 164 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, 165 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, 166 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, 167 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, 168 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, 169 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, 170 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, 171 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, 172 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, 173 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 }, 174 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, 175 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, 176 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, 177 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 }, 178 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 }, 179 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, 180 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 }, 181 { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 }, 182 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, 183 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, 184 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, 185 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, 186 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, 187 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, 188 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, 189 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, 190 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, 191 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, 192 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, 193 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, 194 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, 195 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, 196 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, 197 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, 198 199 /* Atheros AR5BBU22 with sflash firmware */ 200 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 }, 201 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 }, 202 203 { } /* Terminating entry */ 204 }; 205 206 #define USB_REQ_DFU_DNLOAD 1 207 #define BULK_SIZE 4096 208 #define FW_HDR_SIZE 20 209 #define TIMEGAP_USEC_MIN 50 210 #define TIMEGAP_USEC_MAX 100 211 212 static int ath3k_load_firmware(struct usb_device *udev, 213 const struct firmware *firmware) 214 { 215 u8 *send_buf; 216 int len = 0; 217 int err, pipe, size, sent = 0; 218 int count = firmware->size; 219 220 BT_DBG("udev %p", udev); 221 222 pipe = usb_sndctrlpipe(udev, 0); 223 224 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); 225 if (!send_buf) { 226 BT_ERR("Can't allocate memory chunk for firmware"); 227 return -ENOMEM; 228 } 229 230 memcpy(send_buf, firmware->data, 20); 231 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR, 232 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT); 233 if (err < 0) { 234 BT_ERR("Can't change to loading configuration err"); 235 goto error; 236 } 237 sent += 20; 238 count -= 20; 239 240 pipe = usb_sndbulkpipe(udev, 0x02); 241 242 while (count) { 243 /* workaround the compatibility issue with xHCI controller*/ 244 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); 245 246 size = min_t(uint, count, BULK_SIZE); 247 memcpy(send_buf, firmware->data + sent, size); 248 249 err = usb_bulk_msg(udev, pipe, send_buf, size, 250 &len, 3000); 251 252 if (err || (len != size)) { 253 BT_ERR("Error in firmware loading err = %d," 254 "len = %d, size = %d", err, len, size); 255 goto error; 256 } 257 258 sent += size; 259 count -= size; 260 } 261 262 error: 263 kfree(send_buf); 264 return err; 265 } 266 267 static int ath3k_get_state(struct usb_device *udev, unsigned char *state) 268 { 269 int ret, pipe = 0; 270 char *buf; 271 272 buf = kmalloc(sizeof(*buf), GFP_KERNEL); 273 if (!buf) 274 return -ENOMEM; 275 276 pipe = usb_rcvctrlpipe(udev, 0); 277 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE, 278 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, 279 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT); 280 281 *state = *buf; 282 kfree(buf); 283 284 return ret; 285 } 286 287 static int ath3k_get_version(struct usb_device *udev, 288 struct ath3k_version *version) 289 { 290 int ret, pipe = 0; 291 struct ath3k_version *buf; 292 const int size = sizeof(*buf); 293 294 buf = kmalloc(size, GFP_KERNEL); 295 if (!buf) 296 return -ENOMEM; 297 298 pipe = usb_rcvctrlpipe(udev, 0); 299 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION, 300 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, 301 buf, size, USB_CTRL_SET_TIMEOUT); 302 303 memcpy(version, buf, size); 304 kfree(buf); 305 306 return ret; 307 } 308 309 static int ath3k_load_fwfile(struct usb_device *udev, 310 const struct firmware *firmware) 311 { 312 u8 *send_buf; 313 int len = 0; 314 int err, pipe, size, count, sent = 0; 315 int ret; 316 317 count = firmware->size; 318 319 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); 320 if (!send_buf) { 321 BT_ERR("Can't allocate memory chunk for firmware"); 322 return -ENOMEM; 323 } 324 325 size = min_t(uint, count, FW_HDR_SIZE); 326 memcpy(send_buf, firmware->data, size); 327 328 pipe = usb_sndctrlpipe(udev, 0); 329 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD, 330 USB_TYPE_VENDOR, 0, 0, send_buf, 331 size, USB_CTRL_SET_TIMEOUT); 332 if (ret < 0) { 333 BT_ERR("Can't change to loading configuration err"); 334 kfree(send_buf); 335 return ret; 336 } 337 338 sent += size; 339 count -= size; 340 341 pipe = usb_sndbulkpipe(udev, 0x02); 342 343 while (count) { 344 /* workaround the compatibility issue with xHCI controller*/ 345 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); 346 347 size = min_t(uint, count, BULK_SIZE); 348 memcpy(send_buf, firmware->data + sent, size); 349 350 err = usb_bulk_msg(udev, pipe, send_buf, size, 351 &len, 3000); 352 if (err || (len != size)) { 353 BT_ERR("Error in firmware loading err = %d," 354 "len = %d, size = %d", err, len, size); 355 kfree(send_buf); 356 return err; 357 } 358 sent += size; 359 count -= size; 360 } 361 362 kfree(send_buf); 363 return 0; 364 } 365 366 static int ath3k_switch_pid(struct usb_device *udev) 367 { 368 int pipe = 0; 369 370 pipe = usb_sndctrlpipe(udev, 0); 371 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID, 372 USB_TYPE_VENDOR, 0, 0, 373 NULL, 0, USB_CTRL_SET_TIMEOUT); 374 } 375 376 static int ath3k_set_normal_mode(struct usb_device *udev) 377 { 378 unsigned char fw_state; 379 int pipe = 0, ret; 380 381 ret = ath3k_get_state(udev, &fw_state); 382 if (ret < 0) { 383 BT_ERR("Can't get state to change to normal mode err"); 384 return ret; 385 } 386 387 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) { 388 BT_DBG("firmware was already in normal mode"); 389 return 0; 390 } 391 392 pipe = usb_sndctrlpipe(udev, 0); 393 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE, 394 USB_TYPE_VENDOR, 0, 0, 395 NULL, 0, USB_CTRL_SET_TIMEOUT); 396 } 397 398 static int ath3k_load_patch(struct usb_device *udev) 399 { 400 unsigned char fw_state; 401 char filename[ATH3K_NAME_LEN] = {0}; 402 const struct firmware *firmware; 403 struct ath3k_version fw_version; 404 __u32 pt_rom_version, pt_build_version; 405 int ret; 406 407 ret = ath3k_get_state(udev, &fw_state); 408 if (ret < 0) { 409 BT_ERR("Can't get state to change to load ram patch err"); 410 return ret; 411 } 412 413 if (fw_state & ATH3K_PATCH_UPDATE) { 414 BT_DBG("Patch was already downloaded"); 415 return 0; 416 } 417 418 ret = ath3k_get_version(udev, &fw_version); 419 if (ret < 0) { 420 BT_ERR("Can't get version to change to load ram patch err"); 421 return ret; 422 } 423 424 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu", 425 le32_to_cpu(fw_version.rom_version)); 426 427 ret = request_firmware(&firmware, filename, &udev->dev); 428 if (ret < 0) { 429 BT_ERR("Patch file not found %s", filename); 430 return ret; 431 } 432 433 pt_rom_version = get_unaligned_le32(firmware->data + 434 firmware->size - 8); 435 pt_build_version = get_unaligned_le32(firmware->data + 436 firmware->size - 4); 437 438 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) || 439 pt_build_version <= le32_to_cpu(fw_version.build_version)) { 440 BT_ERR("Patch file version did not match with firmware"); 441 release_firmware(firmware); 442 return -EINVAL; 443 } 444 445 ret = ath3k_load_fwfile(udev, firmware); 446 release_firmware(firmware); 447 448 return ret; 449 } 450 451 static int ath3k_load_syscfg(struct usb_device *udev) 452 { 453 unsigned char fw_state; 454 char filename[ATH3K_NAME_LEN] = {0}; 455 const struct firmware *firmware; 456 struct ath3k_version fw_version; 457 int clk_value, ret; 458 459 ret = ath3k_get_state(udev, &fw_state); 460 if (ret < 0) { 461 BT_ERR("Can't get state to change to load configuration err"); 462 return -EBUSY; 463 } 464 465 ret = ath3k_get_version(udev, &fw_version); 466 if (ret < 0) { 467 BT_ERR("Can't get version to change to load ram patch err"); 468 return ret; 469 } 470 471 switch (fw_version.ref_clock) { 472 473 case ATH3K_XTAL_FREQ_26M: 474 clk_value = 26; 475 break; 476 case ATH3K_XTAL_FREQ_40M: 477 clk_value = 40; 478 break; 479 case ATH3K_XTAL_FREQ_19P2: 480 clk_value = 19; 481 break; 482 default: 483 clk_value = 0; 484 break; 485 } 486 487 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s", 488 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu"); 489 490 ret = request_firmware(&firmware, filename, &udev->dev); 491 if (ret < 0) { 492 BT_ERR("Configuration file not found %s", filename); 493 return ret; 494 } 495 496 ret = ath3k_load_fwfile(udev, firmware); 497 release_firmware(firmware); 498 499 return ret; 500 } 501 502 static int ath3k_probe(struct usb_interface *intf, 503 const struct usb_device_id *id) 504 { 505 const struct firmware *firmware; 506 struct usb_device *udev = interface_to_usbdev(intf); 507 int ret; 508 509 BT_DBG("intf %p id %p", intf, id); 510 511 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) 512 return -ENODEV; 513 514 /* match device ID in ath3k blacklist table */ 515 if (!id->driver_info) { 516 const struct usb_device_id *match; 517 518 match = usb_match_id(intf, ath3k_blist_tbl); 519 if (match) 520 id = match; 521 } 522 523 /* load patch and sysconfig files for AR3012 */ 524 if (id->driver_info & BTUSB_ATH3012) { 525 526 /* New firmware with patch and sysconfig files already loaded */ 527 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001) 528 return -ENODEV; 529 530 ret = ath3k_load_patch(udev); 531 if (ret < 0) { 532 BT_ERR("Loading patch file failed"); 533 return ret; 534 } 535 ret = ath3k_load_syscfg(udev); 536 if (ret < 0) { 537 BT_ERR("Loading sysconfig file failed"); 538 return ret; 539 } 540 ret = ath3k_set_normal_mode(udev); 541 if (ret < 0) { 542 BT_ERR("Set normal mode failed"); 543 return ret; 544 } 545 ath3k_switch_pid(udev); 546 return 0; 547 } 548 549 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev); 550 if (ret < 0) { 551 if (ret == -ENOENT) 552 BT_ERR("Firmware file \"%s\" not found", 553 ATH3K_FIRMWARE); 554 else 555 BT_ERR("Firmware file \"%s\" request failed (err=%d)", 556 ATH3K_FIRMWARE, ret); 557 return ret; 558 } 559 560 ret = ath3k_load_firmware(udev, firmware); 561 release_firmware(firmware); 562 563 return ret; 564 } 565 566 static void ath3k_disconnect(struct usb_interface *intf) 567 { 568 BT_DBG("ath3k_disconnect intf %p", intf); 569 } 570 571 static struct usb_driver ath3k_driver = { 572 .name = "ath3k", 573 .probe = ath3k_probe, 574 .disconnect = ath3k_disconnect, 575 .id_table = ath3k_table, 576 .disable_hub_initiated_lpm = 1, 577 }; 578 579 module_usb_driver(ath3k_driver); 580 581 MODULE_AUTHOR("Atheros Communications"); 582 MODULE_DESCRIPTION("Atheros AR30xx firmware driver"); 583 MODULE_VERSION(VERSION); 584 MODULE_LICENSE("GPL"); 585 MODULE_FIRMWARE(ATH3K_FIRMWARE); 586