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 static inline void ath3k_log_failed_loading(int err, int len, int size, 207 int count) 208 { 209 BT_ERR("Firmware loading err = %d, len = %d, size = %d, count = %d", 210 err, len, size, count); 211 } 212 213 #define USB_REQ_DFU_DNLOAD 1 214 #define BULK_SIZE 4096 215 #define FW_HDR_SIZE 20 216 #define TIMEGAP_USEC_MIN 50 217 #define TIMEGAP_USEC_MAX 100 218 219 static int ath3k_load_firmware(struct usb_device *udev, 220 const struct firmware *firmware) 221 { 222 u8 *send_buf; 223 int len = 0; 224 int err, pipe, size, sent = 0; 225 int count = firmware->size; 226 227 BT_DBG("udev %p", udev); 228 229 pipe = usb_sndctrlpipe(udev, 0); 230 231 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); 232 if (!send_buf) { 233 BT_ERR("Can't allocate memory chunk for firmware"); 234 return -ENOMEM; 235 } 236 237 memcpy(send_buf, firmware->data, FW_HDR_SIZE); 238 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR, 239 0, 0, send_buf, FW_HDR_SIZE, 240 USB_CTRL_SET_TIMEOUT); 241 if (err < 0) { 242 BT_ERR("Can't change to loading configuration err"); 243 goto error; 244 } 245 sent += FW_HDR_SIZE; 246 count -= FW_HDR_SIZE; 247 248 pipe = usb_sndbulkpipe(udev, 0x02); 249 250 while (count) { 251 /* workaround the compatibility issue with xHCI controller*/ 252 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); 253 254 size = min_t(uint, count, BULK_SIZE); 255 memcpy(send_buf, firmware->data + sent, size); 256 257 err = usb_bulk_msg(udev, pipe, send_buf, size, 258 &len, 3000); 259 260 if (err || (len != size)) { 261 ath3k_log_failed_loading(err, len, size, count); 262 goto error; 263 } 264 265 sent += size; 266 count -= size; 267 } 268 269 error: 270 kfree(send_buf); 271 return err; 272 } 273 274 static int ath3k_get_state(struct usb_device *udev, unsigned char *state) 275 { 276 int ret, pipe = 0; 277 char *buf; 278 279 buf = kmalloc(sizeof(*buf), GFP_KERNEL); 280 if (!buf) 281 return -ENOMEM; 282 283 pipe = usb_rcvctrlpipe(udev, 0); 284 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE, 285 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, 286 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT); 287 288 *state = *buf; 289 kfree(buf); 290 291 return ret; 292 } 293 294 static int ath3k_get_version(struct usb_device *udev, 295 struct ath3k_version *version) 296 { 297 int ret, pipe = 0; 298 struct ath3k_version *buf; 299 const int size = sizeof(*buf); 300 301 buf = kmalloc(size, GFP_KERNEL); 302 if (!buf) 303 return -ENOMEM; 304 305 pipe = usb_rcvctrlpipe(udev, 0); 306 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION, 307 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, 308 buf, size, USB_CTRL_SET_TIMEOUT); 309 310 memcpy(version, buf, size); 311 kfree(buf); 312 313 return ret; 314 } 315 316 static int ath3k_load_fwfile(struct usb_device *udev, 317 const struct firmware *firmware) 318 { 319 u8 *send_buf; 320 int len = 0; 321 int err, pipe, size, count, sent = 0; 322 int ret; 323 324 count = firmware->size; 325 326 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); 327 if (!send_buf) { 328 BT_ERR("Can't allocate memory chunk for firmware"); 329 return -ENOMEM; 330 } 331 332 size = min_t(uint, count, FW_HDR_SIZE); 333 memcpy(send_buf, firmware->data, size); 334 335 pipe = usb_sndctrlpipe(udev, 0); 336 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD, 337 USB_TYPE_VENDOR, 0, 0, send_buf, 338 size, USB_CTRL_SET_TIMEOUT); 339 if (ret < 0) { 340 BT_ERR("Can't change to loading configuration err"); 341 kfree(send_buf); 342 return ret; 343 } 344 345 sent += size; 346 count -= size; 347 348 pipe = usb_sndbulkpipe(udev, 0x02); 349 350 while (count) { 351 /* workaround the compatibility issue with xHCI controller*/ 352 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); 353 354 size = min_t(uint, count, BULK_SIZE); 355 memcpy(send_buf, firmware->data + sent, size); 356 357 err = usb_bulk_msg(udev, pipe, send_buf, size, 358 &len, 3000); 359 if (err || (len != size)) { 360 ath3k_log_failed_loading(err, len, size, count); 361 kfree(send_buf); 362 return err; 363 } 364 sent += size; 365 count -= size; 366 } 367 368 kfree(send_buf); 369 return 0; 370 } 371 372 static int ath3k_switch_pid(struct usb_device *udev) 373 { 374 int pipe = 0; 375 376 pipe = usb_sndctrlpipe(udev, 0); 377 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID, 378 USB_TYPE_VENDOR, 0, 0, 379 NULL, 0, USB_CTRL_SET_TIMEOUT); 380 } 381 382 static int ath3k_set_normal_mode(struct usb_device *udev) 383 { 384 unsigned char fw_state; 385 int pipe = 0, ret; 386 387 ret = ath3k_get_state(udev, &fw_state); 388 if (ret < 0) { 389 BT_ERR("Can't get state to change to normal mode err"); 390 return ret; 391 } 392 393 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) { 394 BT_DBG("firmware was already in normal mode"); 395 return 0; 396 } 397 398 pipe = usb_sndctrlpipe(udev, 0); 399 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE, 400 USB_TYPE_VENDOR, 0, 0, 401 NULL, 0, USB_CTRL_SET_TIMEOUT); 402 } 403 404 static int ath3k_load_patch(struct usb_device *udev) 405 { 406 unsigned char fw_state; 407 char filename[ATH3K_NAME_LEN]; 408 const struct firmware *firmware; 409 struct ath3k_version fw_version; 410 __u32 pt_rom_version, pt_build_version; 411 int ret; 412 413 ret = ath3k_get_state(udev, &fw_state); 414 if (ret < 0) { 415 BT_ERR("Can't get state to change to load ram patch err"); 416 return ret; 417 } 418 419 if (fw_state & ATH3K_PATCH_UPDATE) { 420 BT_DBG("Patch was already downloaded"); 421 return 0; 422 } 423 424 ret = ath3k_get_version(udev, &fw_version); 425 if (ret < 0) { 426 BT_ERR("Can't get version to change to load ram patch err"); 427 return ret; 428 } 429 430 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu", 431 le32_to_cpu(fw_version.rom_version)); 432 433 ret = request_firmware(&firmware, filename, &udev->dev); 434 if (ret < 0) { 435 BT_ERR("Patch file not found %s", filename); 436 return ret; 437 } 438 439 pt_rom_version = get_unaligned_le32(firmware->data + 440 firmware->size - 8); 441 pt_build_version = get_unaligned_le32(firmware->data + 442 firmware->size - 4); 443 444 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) || 445 pt_build_version <= le32_to_cpu(fw_version.build_version)) { 446 BT_ERR("Patch file version did not match with firmware"); 447 release_firmware(firmware); 448 return -EINVAL; 449 } 450 451 ret = ath3k_load_fwfile(udev, firmware); 452 release_firmware(firmware); 453 454 return ret; 455 } 456 457 static int ath3k_load_syscfg(struct usb_device *udev) 458 { 459 unsigned char fw_state; 460 char filename[ATH3K_NAME_LEN]; 461 const struct firmware *firmware; 462 struct ath3k_version fw_version; 463 int clk_value, ret; 464 465 ret = ath3k_get_state(udev, &fw_state); 466 if (ret < 0) { 467 BT_ERR("Can't get state to change to load configuration err"); 468 return -EBUSY; 469 } 470 471 ret = ath3k_get_version(udev, &fw_version); 472 if (ret < 0) { 473 BT_ERR("Can't get version to change to load ram patch err"); 474 return ret; 475 } 476 477 switch (fw_version.ref_clock) { 478 479 case ATH3K_XTAL_FREQ_26M: 480 clk_value = 26; 481 break; 482 case ATH3K_XTAL_FREQ_40M: 483 clk_value = 40; 484 break; 485 case ATH3K_XTAL_FREQ_19P2: 486 clk_value = 19; 487 break; 488 default: 489 clk_value = 0; 490 break; 491 } 492 493 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s", 494 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu"); 495 496 ret = request_firmware(&firmware, filename, &udev->dev); 497 if (ret < 0) { 498 BT_ERR("Configuration file not found %s", filename); 499 return ret; 500 } 501 502 ret = ath3k_load_fwfile(udev, firmware); 503 release_firmware(firmware); 504 505 return ret; 506 } 507 508 static int ath3k_probe(struct usb_interface *intf, 509 const struct usb_device_id *id) 510 { 511 const struct firmware *firmware; 512 struct usb_device *udev = interface_to_usbdev(intf); 513 int ret; 514 515 BT_DBG("intf %p id %p", intf, id); 516 517 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) 518 return -ENODEV; 519 520 /* match device ID in ath3k blacklist table */ 521 if (!id->driver_info) { 522 const struct usb_device_id *match; 523 524 match = usb_match_id(intf, ath3k_blist_tbl); 525 if (match) 526 id = match; 527 } 528 529 /* load patch and sysconfig files for AR3012 */ 530 if (id->driver_info & BTUSB_ATH3012) { 531 /* New firmware with patch and sysconfig files already loaded */ 532 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001) 533 return -ENODEV; 534 535 ret = ath3k_load_patch(udev); 536 if (ret < 0) { 537 BT_ERR("Loading patch file failed"); 538 return ret; 539 } 540 ret = ath3k_load_syscfg(udev); 541 if (ret < 0) { 542 BT_ERR("Loading sysconfig file failed"); 543 return ret; 544 } 545 ret = ath3k_set_normal_mode(udev); 546 if (ret < 0) { 547 BT_ERR("Set normal mode failed"); 548 return ret; 549 } 550 ath3k_switch_pid(udev); 551 return 0; 552 } 553 554 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev); 555 if (ret < 0) { 556 if (ret == -ENOENT) 557 BT_ERR("Firmware file \"%s\" not found", 558 ATH3K_FIRMWARE); 559 else 560 BT_ERR("Firmware file \"%s\" request failed (err=%d)", 561 ATH3K_FIRMWARE, ret); 562 return ret; 563 } 564 565 ret = ath3k_load_firmware(udev, firmware); 566 release_firmware(firmware); 567 568 return ret; 569 } 570 571 static void ath3k_disconnect(struct usb_interface *intf) 572 { 573 BT_DBG("%s intf %p", __func__, intf); 574 } 575 576 static struct usb_driver ath3k_driver = { 577 .name = "ath3k", 578 .probe = ath3k_probe, 579 .disconnect = ath3k_disconnect, 580 .id_table = ath3k_table, 581 .disable_hub_initiated_lpm = 1, 582 }; 583 584 module_usb_driver(ath3k_driver); 585 586 MODULE_AUTHOR("Atheros Communications"); 587 MODULE_DESCRIPTION("Atheros AR30xx firmware driver"); 588 MODULE_VERSION(VERSION); 589 MODULE_LICENSE("GPL"); 590 MODULE_FIRMWARE(ATH3K_FIRMWARE); 591