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