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