1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 4 * Bluetooth support for Broadcom devices 5 * 6 * Copyright (C) 2015 Intel Corporation 7 */ 8 9 #include <linux/module.h> 10 #include <linux/firmware.h> 11 #include <linux/dmi.h> 12 #include <asm/unaligned.h> 13 14 #include <net/bluetooth/bluetooth.h> 15 #include <net/bluetooth/hci_core.h> 16 17 #include "btbcm.h" 18 19 #define VERSION "0.1" 20 21 #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) 22 #define BDADDR_BCM20702A1 (&(bdaddr_t) {{0x00, 0x00, 0xa0, 0x02, 0x70, 0x20}}) 23 #define BDADDR_BCM2076B1 (&(bdaddr_t) {{0x79, 0x56, 0x00, 0xa0, 0x76, 0x20}}) 24 #define BDADDR_BCM43430A0 (&(bdaddr_t) {{0xac, 0x1f, 0x12, 0xa0, 0x43, 0x43}}) 25 #define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}}) 26 #define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}}) 27 #define BDADDR_BCM4334B0 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb0, 0x34, 0x43}}) 28 #define BDADDR_BCM4345C5 (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0xc5, 0x45, 0x43}}) 29 #define BDADDR_BCM43341B (&(bdaddr_t) {{0xac, 0x1f, 0x00, 0x1b, 0x34, 0x43}}) 30 31 #define BCM_FW_NAME_LEN 64 32 #define BCM_FW_NAME_COUNT_MAX 2 33 /* For kmalloc-ing the fw-name array instead of putting it on the stack */ 34 typedef char bcm_fw_name[BCM_FW_NAME_LEN]; 35 36 int btbcm_check_bdaddr(struct hci_dev *hdev) 37 { 38 struct hci_rp_read_bd_addr *bda; 39 struct sk_buff *skb; 40 41 skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, 42 HCI_INIT_TIMEOUT); 43 if (IS_ERR(skb)) { 44 int err = PTR_ERR(skb); 45 46 bt_dev_err(hdev, "BCM: Reading device address failed (%d)", err); 47 return err; 48 } 49 50 if (skb->len != sizeof(*bda)) { 51 bt_dev_err(hdev, "BCM: Device address length mismatch"); 52 kfree_skb(skb); 53 return -EIO; 54 } 55 56 bda = (struct hci_rp_read_bd_addr *)skb->data; 57 58 /* Check if the address indicates a controller with either an 59 * invalid or default address. In both cases the device needs 60 * to be marked as not having a valid address. 61 * 62 * The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller 63 * with no configured address. 64 * 65 * The address 20:70:02:A0:00:00 indicates a BCM20702A1 controller 66 * with no configured address. 67 * 68 * The address 20:76:A0:00:56:79 indicates a BCM2076B1 controller 69 * with no configured address. 70 * 71 * The address 43:24:B3:00:00:00 indicates a BCM4324B3 controller 72 * with waiting for configuration state. 73 * 74 * The address 43:30:B1:00:00:00 indicates a BCM4330B1 controller 75 * with waiting for configuration state. 76 * 77 * The address 43:43:A0:12:1F:AC indicates a BCM43430A0 controller 78 * with no configured address. 79 */ 80 if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) || 81 !bacmp(&bda->bdaddr, BDADDR_BCM20702A1) || 82 !bacmp(&bda->bdaddr, BDADDR_BCM2076B1) || 83 !bacmp(&bda->bdaddr, BDADDR_BCM4324B3) || 84 !bacmp(&bda->bdaddr, BDADDR_BCM4330B1) || 85 !bacmp(&bda->bdaddr, BDADDR_BCM4334B0) || 86 !bacmp(&bda->bdaddr, BDADDR_BCM4345C5) || 87 !bacmp(&bda->bdaddr, BDADDR_BCM43430A0) || 88 !bacmp(&bda->bdaddr, BDADDR_BCM43341B)) { 89 bt_dev_info(hdev, "BCM: Using default device address (%pMR)", 90 &bda->bdaddr); 91 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); 92 } 93 94 kfree_skb(skb); 95 96 return 0; 97 } 98 EXPORT_SYMBOL_GPL(btbcm_check_bdaddr); 99 100 int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) 101 { 102 struct sk_buff *skb; 103 int err; 104 105 skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); 106 if (IS_ERR(skb)) { 107 err = PTR_ERR(skb); 108 bt_dev_err(hdev, "BCM: Change address command failed (%d)", err); 109 return err; 110 } 111 kfree_skb(skb); 112 113 return 0; 114 } 115 EXPORT_SYMBOL_GPL(btbcm_set_bdaddr); 116 117 int btbcm_read_pcm_int_params(struct hci_dev *hdev, 118 struct bcm_set_pcm_int_params *params) 119 { 120 struct sk_buff *skb; 121 int err = 0; 122 123 skb = __hci_cmd_sync(hdev, 0xfc1d, 0, NULL, HCI_INIT_TIMEOUT); 124 if (IS_ERR(skb)) { 125 err = PTR_ERR(skb); 126 bt_dev_err(hdev, "BCM: Read PCM int params failed (%d)", err); 127 return err; 128 } 129 130 if (skb->len != 6 || skb->data[0]) { 131 bt_dev_err(hdev, "BCM: Read PCM int params length mismatch"); 132 kfree_skb(skb); 133 return -EIO; 134 } 135 136 if (params) 137 memcpy(params, skb->data + 1, 5); 138 139 kfree_skb(skb); 140 141 return 0; 142 } 143 EXPORT_SYMBOL_GPL(btbcm_read_pcm_int_params); 144 145 int btbcm_write_pcm_int_params(struct hci_dev *hdev, 146 const struct bcm_set_pcm_int_params *params) 147 { 148 struct sk_buff *skb; 149 int err; 150 151 skb = __hci_cmd_sync(hdev, 0xfc1c, 5, params, HCI_INIT_TIMEOUT); 152 if (IS_ERR(skb)) { 153 err = PTR_ERR(skb); 154 bt_dev_err(hdev, "BCM: Write PCM int params failed (%d)", err); 155 return err; 156 } 157 kfree_skb(skb); 158 159 return 0; 160 } 161 EXPORT_SYMBOL_GPL(btbcm_write_pcm_int_params); 162 163 int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw) 164 { 165 const struct hci_command_hdr *cmd; 166 const u8 *fw_ptr; 167 size_t fw_size; 168 struct sk_buff *skb; 169 u16 opcode; 170 int err = 0; 171 172 /* Start Download */ 173 skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); 174 if (IS_ERR(skb)) { 175 err = PTR_ERR(skb); 176 bt_dev_err(hdev, "BCM: Download Minidrv command failed (%d)", 177 err); 178 goto done; 179 } 180 kfree_skb(skb); 181 182 /* 50 msec delay after Download Minidrv completes */ 183 msleep(50); 184 185 fw_ptr = fw->data; 186 fw_size = fw->size; 187 188 while (fw_size >= sizeof(*cmd)) { 189 const u8 *cmd_param; 190 191 cmd = (struct hci_command_hdr *)fw_ptr; 192 fw_ptr += sizeof(*cmd); 193 fw_size -= sizeof(*cmd); 194 195 if (fw_size < cmd->plen) { 196 bt_dev_err(hdev, "BCM: Patch is corrupted"); 197 err = -EINVAL; 198 goto done; 199 } 200 201 cmd_param = fw_ptr; 202 fw_ptr += cmd->plen; 203 fw_size -= cmd->plen; 204 205 opcode = le16_to_cpu(cmd->opcode); 206 207 skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, 208 HCI_INIT_TIMEOUT); 209 if (IS_ERR(skb)) { 210 err = PTR_ERR(skb); 211 bt_dev_err(hdev, "BCM: Patch command %04x failed (%d)", 212 opcode, err); 213 goto done; 214 } 215 kfree_skb(skb); 216 } 217 218 /* 250 msec delay after Launch Ram completes */ 219 msleep(250); 220 221 done: 222 return err; 223 } 224 EXPORT_SYMBOL(btbcm_patchram); 225 226 static int btbcm_reset(struct hci_dev *hdev) 227 { 228 struct sk_buff *skb; 229 230 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); 231 if (IS_ERR(skb)) { 232 int err = PTR_ERR(skb); 233 234 bt_dev_err(hdev, "BCM: Reset failed (%d)", err); 235 return err; 236 } 237 kfree_skb(skb); 238 239 /* 100 msec delay for module to complete reset process */ 240 msleep(100); 241 242 return 0; 243 } 244 245 static struct sk_buff *btbcm_read_local_name(struct hci_dev *hdev) 246 { 247 struct sk_buff *skb; 248 249 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL, 250 HCI_INIT_TIMEOUT); 251 if (IS_ERR(skb)) { 252 bt_dev_err(hdev, "BCM: Reading local name failed (%ld)", 253 PTR_ERR(skb)); 254 return skb; 255 } 256 257 if (skb->len != sizeof(struct hci_rp_read_local_name)) { 258 bt_dev_err(hdev, "BCM: Local name length mismatch"); 259 kfree_skb(skb); 260 return ERR_PTR(-EIO); 261 } 262 263 return skb; 264 } 265 266 static struct sk_buff *btbcm_read_local_version(struct hci_dev *hdev) 267 { 268 struct sk_buff *skb; 269 270 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, 271 HCI_INIT_TIMEOUT); 272 if (IS_ERR(skb)) { 273 bt_dev_err(hdev, "BCM: Reading local version info failed (%ld)", 274 PTR_ERR(skb)); 275 return skb; 276 } 277 278 if (skb->len != sizeof(struct hci_rp_read_local_version)) { 279 bt_dev_err(hdev, "BCM: Local version length mismatch"); 280 kfree_skb(skb); 281 return ERR_PTR(-EIO); 282 } 283 284 return skb; 285 } 286 287 static struct sk_buff *btbcm_read_verbose_config(struct hci_dev *hdev) 288 { 289 struct sk_buff *skb; 290 291 skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT); 292 if (IS_ERR(skb)) { 293 bt_dev_err(hdev, "BCM: Read verbose config info failed (%ld)", 294 PTR_ERR(skb)); 295 return skb; 296 } 297 298 if (skb->len != 7) { 299 bt_dev_err(hdev, "BCM: Verbose config length mismatch"); 300 kfree_skb(skb); 301 return ERR_PTR(-EIO); 302 } 303 304 return skb; 305 } 306 307 static struct sk_buff *btbcm_read_controller_features(struct hci_dev *hdev) 308 { 309 struct sk_buff *skb; 310 311 skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT); 312 if (IS_ERR(skb)) { 313 bt_dev_err(hdev, "BCM: Read controller features failed (%ld)", 314 PTR_ERR(skb)); 315 return skb; 316 } 317 318 if (skb->len != 9) { 319 bt_dev_err(hdev, "BCM: Controller features length mismatch"); 320 kfree_skb(skb); 321 return ERR_PTR(-EIO); 322 } 323 324 return skb; 325 } 326 327 static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev) 328 { 329 struct sk_buff *skb; 330 331 skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT); 332 if (IS_ERR(skb)) { 333 bt_dev_err(hdev, "BCM: Read USB product info failed (%ld)", 334 PTR_ERR(skb)); 335 return skb; 336 } 337 338 if (skb->len != 5) { 339 bt_dev_err(hdev, "BCM: USB product length mismatch"); 340 kfree_skb(skb); 341 return ERR_PTR(-EIO); 342 } 343 344 return skb; 345 } 346 347 static const struct dmi_system_id disable_broken_read_transmit_power[] = { 348 { 349 .matches = { 350 DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), 351 DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,1"), 352 }, 353 }, 354 { 355 .matches = { 356 DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), 357 DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,2"), 358 }, 359 }, 360 { 361 .matches = { 362 DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), 363 DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro16,4"), 364 }, 365 }, 366 { 367 .matches = { 368 DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), 369 DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir8,1"), 370 }, 371 }, 372 { 373 .matches = { 374 DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), 375 DMI_MATCH(DMI_PRODUCT_NAME, "MacBookAir8,2"), 376 }, 377 }, 378 { 379 .matches = { 380 DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), 381 DMI_MATCH(DMI_PRODUCT_NAME, "iMac20,1"), 382 }, 383 }, 384 { 385 .matches = { 386 DMI_MATCH(DMI_BOARD_VENDOR, "Apple Inc."), 387 DMI_MATCH(DMI_PRODUCT_NAME, "iMac20,2"), 388 }, 389 }, 390 { } 391 }; 392 393 static int btbcm_read_info(struct hci_dev *hdev) 394 { 395 struct sk_buff *skb; 396 397 /* Read Verbose Config Version Info */ 398 skb = btbcm_read_verbose_config(hdev); 399 if (IS_ERR(skb)) 400 return PTR_ERR(skb); 401 402 bt_dev_info(hdev, "BCM: chip id %u", skb->data[1]); 403 kfree_skb(skb); 404 405 /* Read Controller Features */ 406 skb = btbcm_read_controller_features(hdev); 407 if (IS_ERR(skb)) 408 return PTR_ERR(skb); 409 410 bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]); 411 kfree_skb(skb); 412 413 /* Read DMI and disable broken Read LE Min/Max Tx Power */ 414 if (dmi_first_match(disable_broken_read_transmit_power)) 415 set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks); 416 417 return 0; 418 } 419 420 static int btbcm_print_local_name(struct hci_dev *hdev) 421 { 422 struct sk_buff *skb; 423 424 /* Read Local Name */ 425 skb = btbcm_read_local_name(hdev); 426 if (IS_ERR(skb)) 427 return PTR_ERR(skb); 428 429 bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); 430 kfree_skb(skb); 431 432 return 0; 433 } 434 435 struct bcm_subver_table { 436 u16 subver; 437 const char *name; 438 }; 439 440 static const struct bcm_subver_table bcm_uart_subver_table[] = { 441 { 0x1111, "BCM4362A2" }, /* 000.017.017 */ 442 { 0x4103, "BCM4330B1" }, /* 002.001.003 */ 443 { 0x410d, "BCM4334B0" }, /* 002.001.013 */ 444 { 0x410e, "BCM43341B0" }, /* 002.001.014 */ 445 { 0x4204, "BCM2076B1" }, /* 002.002.004 */ 446 { 0x4406, "BCM4324B3" }, /* 002.004.006 */ 447 { 0x4606, "BCM4324B5" }, /* 002.006.006 */ 448 { 0x6109, "BCM4335C0" }, /* 003.001.009 */ 449 { 0x610c, "BCM4354" }, /* 003.001.012 */ 450 { 0x2122, "BCM4343A0" }, /* 001.001.034 */ 451 { 0x2209, "BCM43430A1" }, /* 001.002.009 */ 452 { 0x6119, "BCM4345C0" }, /* 003.001.025 */ 453 { 0x6606, "BCM4345C5" }, /* 003.006.006 */ 454 { 0x230f, "BCM4356A2" }, /* 001.003.015 */ 455 { 0x220e, "BCM20702A1" }, /* 001.002.014 */ 456 { 0x4217, "BCM4329B1" }, /* 002.002.023 */ 457 { 0x6106, "BCM4359C0" }, /* 003.001.006 */ 458 { 0x4106, "BCM4335A0" }, /* 002.001.006 */ 459 { 0x410c, "BCM43430B0" }, /* 002.001.012 */ 460 { } 461 }; 462 463 static const struct bcm_subver_table bcm_usb_subver_table[] = { 464 { 0x2105, "BCM20703A1" }, /* 001.001.005 */ 465 { 0x210b, "BCM43142A0" }, /* 001.001.011 */ 466 { 0x2112, "BCM4314A0" }, /* 001.001.018 */ 467 { 0x2118, "BCM20702A0" }, /* 001.001.024 */ 468 { 0x2126, "BCM4335A0" }, /* 001.001.038 */ 469 { 0x220e, "BCM20702A1" }, /* 001.002.014 */ 470 { 0x230f, "BCM4356A2" }, /* 001.003.015 */ 471 { 0x4106, "BCM4335B0" }, /* 002.001.006 */ 472 { 0x410e, "BCM20702B0" }, /* 002.001.014 */ 473 { 0x6109, "BCM4335C0" }, /* 003.001.009 */ 474 { 0x610c, "BCM4354" }, /* 003.001.012 */ 475 { 0x6607, "BCM4350C5" }, /* 003.006.007 */ 476 { } 477 }; 478 479 int btbcm_initialize(struct hci_dev *hdev, bool *fw_load_done) 480 { 481 u16 subver, rev, pid, vid; 482 struct sk_buff *skb; 483 struct hci_rp_read_local_version *ver; 484 const struct bcm_subver_table *bcm_subver_table; 485 const char *hw_name = NULL; 486 char postfix[16] = ""; 487 int fw_name_count = 0; 488 bcm_fw_name *fw_name; 489 const struct firmware *fw; 490 int i, err; 491 492 /* Reset */ 493 err = btbcm_reset(hdev); 494 if (err) 495 return err; 496 497 /* Read Local Version Info */ 498 skb = btbcm_read_local_version(hdev); 499 if (IS_ERR(skb)) 500 return PTR_ERR(skb); 501 502 ver = (struct hci_rp_read_local_version *)skb->data; 503 rev = le16_to_cpu(ver->hci_rev); 504 subver = le16_to_cpu(ver->lmp_subver); 505 kfree_skb(skb); 506 507 /* Read controller information */ 508 if (!(*fw_load_done)) { 509 err = btbcm_read_info(hdev); 510 if (err) 511 return err; 512 } 513 err = btbcm_print_local_name(hdev); 514 if (err) 515 return err; 516 517 bcm_subver_table = (hdev->bus == HCI_USB) ? bcm_usb_subver_table : 518 bcm_uart_subver_table; 519 520 for (i = 0; bcm_subver_table[i].name; i++) { 521 if (subver == bcm_subver_table[i].subver) { 522 hw_name = bcm_subver_table[i].name; 523 break; 524 } 525 } 526 527 bt_dev_info(hdev, "%s (%3.3u.%3.3u.%3.3u) build %4.4u", 528 hw_name ? hw_name : "BCM", (subver & 0xe000) >> 13, 529 (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); 530 531 if (*fw_load_done) 532 return 0; 533 534 if (hdev->bus == HCI_USB) { 535 /* Read USB Product Info */ 536 skb = btbcm_read_usb_product(hdev); 537 if (IS_ERR(skb)) 538 return PTR_ERR(skb); 539 540 vid = get_unaligned_le16(skb->data + 1); 541 pid = get_unaligned_le16(skb->data + 3); 542 kfree_skb(skb); 543 544 snprintf(postfix, sizeof(postfix), "-%4.4x-%4.4x", vid, pid); 545 } 546 547 fw_name = kmalloc(BCM_FW_NAME_COUNT_MAX * BCM_FW_NAME_LEN, GFP_KERNEL); 548 if (!fw_name) 549 return -ENOMEM; 550 551 if (hw_name) { 552 snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, 553 "brcm/%s%s.hcd", hw_name, postfix); 554 fw_name_count++; 555 } 556 557 snprintf(fw_name[fw_name_count], BCM_FW_NAME_LEN, 558 "brcm/BCM%s.hcd", postfix); 559 fw_name_count++; 560 561 for (i = 0; i < fw_name_count; i++) { 562 err = firmware_request_nowarn(&fw, fw_name[i], &hdev->dev); 563 if (err == 0) { 564 bt_dev_info(hdev, "%s '%s' Patch", 565 hw_name ? hw_name : "BCM", fw_name[i]); 566 *fw_load_done = true; 567 break; 568 } 569 } 570 571 if (*fw_load_done) { 572 err = btbcm_patchram(hdev, fw); 573 if (err) 574 bt_dev_info(hdev, "BCM: Patch failed (%d)", err); 575 576 release_firmware(fw); 577 } else { 578 bt_dev_err(hdev, "BCM: firmware Patch file not found, tried:"); 579 for (i = 0; i < fw_name_count; i++) 580 bt_dev_err(hdev, "BCM: '%s'", fw_name[i]); 581 } 582 583 kfree(fw_name); 584 return 0; 585 } 586 EXPORT_SYMBOL_GPL(btbcm_initialize); 587 588 int btbcm_finalize(struct hci_dev *hdev, bool *fw_load_done) 589 { 590 int err; 591 592 /* Re-initialize if necessary */ 593 if (*fw_load_done) { 594 err = btbcm_initialize(hdev, fw_load_done); 595 if (err) 596 return err; 597 } 598 599 btbcm_check_bdaddr(hdev); 600 601 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); 602 603 return 0; 604 } 605 EXPORT_SYMBOL_GPL(btbcm_finalize); 606 607 int btbcm_setup_patchram(struct hci_dev *hdev) 608 { 609 bool fw_load_done = false; 610 int err; 611 612 /* Initialize */ 613 err = btbcm_initialize(hdev, &fw_load_done); 614 if (err) 615 return err; 616 617 /* Re-initialize after loading Patch */ 618 return btbcm_finalize(hdev, &fw_load_done); 619 } 620 EXPORT_SYMBOL_GPL(btbcm_setup_patchram); 621 622 int btbcm_setup_apple(struct hci_dev *hdev) 623 { 624 struct sk_buff *skb; 625 int err; 626 627 /* Reset */ 628 err = btbcm_reset(hdev); 629 if (err) 630 return err; 631 632 /* Read Verbose Config Version Info */ 633 skb = btbcm_read_verbose_config(hdev); 634 if (!IS_ERR(skb)) { 635 bt_dev_info(hdev, "BCM: chip id %u build %4.4u", 636 skb->data[1], get_unaligned_le16(skb->data + 5)); 637 kfree_skb(skb); 638 } 639 640 /* Read USB Product Info */ 641 skb = btbcm_read_usb_product(hdev); 642 if (!IS_ERR(skb)) { 643 bt_dev_info(hdev, "BCM: product %4.4x:%4.4x", 644 get_unaligned_le16(skb->data + 1), 645 get_unaligned_le16(skb->data + 3)); 646 kfree_skb(skb); 647 } 648 649 /* Read Controller Features */ 650 skb = btbcm_read_controller_features(hdev); 651 if (!IS_ERR(skb)) { 652 bt_dev_info(hdev, "BCM: features 0x%2.2x", skb->data[1]); 653 kfree_skb(skb); 654 } 655 656 /* Read Local Name */ 657 skb = btbcm_read_local_name(hdev); 658 if (!IS_ERR(skb)) { 659 bt_dev_info(hdev, "%s", (char *)(skb->data + 1)); 660 kfree_skb(skb); 661 } 662 663 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); 664 665 return 0; 666 } 667 EXPORT_SYMBOL_GPL(btbcm_setup_apple); 668 669 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 670 MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION); 671 MODULE_VERSION(VERSION); 672 MODULE_LICENSE("GPL"); 673