rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * |
| 3 | * Bluetooth support for Broadcom devices |
| 4 | * |
| 5 | * Copyright (C) 2015 Intel Corporation |
| 6 | * |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <linux/module.h> |
| 25 | #include <linux/firmware.h> |
| 26 | #include <asm/unaligned.h> |
| 27 | |
| 28 | #include <net/bluetooth/bluetooth.h> |
| 29 | #include <net/bluetooth/hci_core.h> |
| 30 | |
| 31 | #include "btbcm.h" |
| 32 | |
| 33 | #define VERSION "0.1" |
| 34 | |
| 35 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
| 36 | #define BDADDR_BCM4324B3 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb3, 0x24, 0x43}}) |
| 37 | #define BDADDR_BCM4330B1 (&(bdaddr_t) {{0x00, 0x00, 0x00, 0xb1, 0x30, 0x43}}) |
| 38 | |
| 39 | int btbcm_check_bdaddr(struct hci_dev *hdev) |
| 40 | { |
| 41 | struct hci_rp_read_bd_addr *bda; |
| 42 | struct sk_buff *skb; |
| 43 | |
| 44 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, |
| 45 | HCI_INIT_TIMEOUT); |
| 46 | if (IS_ERR(skb)) { |
| 47 | int err = PTR_ERR(skb); |
| 48 | BT_ERR("%s: BCM: Reading device address failed (%d)", |
| 49 | hdev->name, err); |
| 50 | return err; |
| 51 | } |
| 52 | |
| 53 | if (skb->len != sizeof(*bda)) { |
| 54 | BT_ERR("%s: BCM: Device address length mismatch", hdev->name); |
| 55 | kfree_skb(skb); |
| 56 | return -EIO; |
| 57 | } |
| 58 | |
| 59 | bda = (struct hci_rp_read_bd_addr *)skb->data; |
| 60 | |
| 61 | /* Check if the address indicates a controller with either an |
| 62 | * invalid or default address. In both cases the device needs |
| 63 | * to be marked as not having a valid address. |
| 64 | * |
| 65 | * The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller |
| 66 | * with no configured address. |
| 67 | * |
| 68 | * The address 43:24:B3:00:00:00 indicates a BCM4324B3 controller |
| 69 | * with waiting for configuration state. |
| 70 | * |
| 71 | * The address 43:30:B1:00:00:00 indicates a BCM4330B1 controller |
| 72 | * with waiting for configuration state. |
| 73 | */ |
| 74 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0) || |
| 75 | !bacmp(&bda->bdaddr, BDADDR_BCM4324B3) || |
| 76 | !bacmp(&bda->bdaddr, BDADDR_BCM4330B1)) { |
| 77 | BT_INFO("%s: BCM: Using default device address (%pMR)", |
| 78 | hdev->name, &bda->bdaddr); |
| 79 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
| 80 | } |
| 81 | |
| 82 | kfree_skb(skb); |
| 83 | |
| 84 | return 0; |
| 85 | } |
| 86 | EXPORT_SYMBOL_GPL(btbcm_check_bdaddr); |
| 87 | |
| 88 | int btbcm_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
| 89 | { |
| 90 | struct sk_buff *skb; |
| 91 | int err; |
| 92 | |
| 93 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); |
| 94 | if (IS_ERR(skb)) { |
| 95 | err = PTR_ERR(skb); |
| 96 | BT_ERR("%s: BCM: Change address command failed (%d)", |
| 97 | hdev->name, err); |
| 98 | return err; |
| 99 | } |
| 100 | kfree_skb(skb); |
| 101 | |
| 102 | return 0; |
| 103 | } |
| 104 | EXPORT_SYMBOL_GPL(btbcm_set_bdaddr); |
| 105 | |
| 106 | int btbcm_patchram(struct hci_dev *hdev, const struct firmware *fw) |
| 107 | { |
| 108 | const struct hci_command_hdr *cmd; |
| 109 | const u8 *fw_ptr; |
| 110 | size_t fw_size; |
| 111 | struct sk_buff *skb; |
| 112 | u16 opcode; |
| 113 | int err = 0; |
| 114 | |
| 115 | /* Start Download */ |
| 116 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); |
| 117 | if (IS_ERR(skb)) { |
| 118 | err = PTR_ERR(skb); |
| 119 | BT_ERR("%s: BCM: Download Minidrv command failed (%d)", |
| 120 | hdev->name, err); |
| 121 | goto done; |
| 122 | } |
| 123 | kfree_skb(skb); |
| 124 | |
| 125 | /* 50 msec delay after Download Minidrv completes */ |
| 126 | msleep(50); |
| 127 | |
| 128 | fw_ptr = fw->data; |
| 129 | fw_size = fw->size; |
| 130 | |
| 131 | while (fw_size >= sizeof(*cmd)) { |
| 132 | const u8 *cmd_param; |
| 133 | |
| 134 | cmd = (struct hci_command_hdr *)fw_ptr; |
| 135 | fw_ptr += sizeof(*cmd); |
| 136 | fw_size -= sizeof(*cmd); |
| 137 | |
| 138 | if (fw_size < cmd->plen) { |
| 139 | BT_ERR("%s: BCM: Patch is corrupted", hdev->name); |
| 140 | err = -EINVAL; |
| 141 | goto done; |
| 142 | } |
| 143 | |
| 144 | cmd_param = fw_ptr; |
| 145 | fw_ptr += cmd->plen; |
| 146 | fw_size -= cmd->plen; |
| 147 | |
| 148 | opcode = le16_to_cpu(cmd->opcode); |
| 149 | |
| 150 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, |
| 151 | HCI_INIT_TIMEOUT); |
| 152 | if (IS_ERR(skb)) { |
| 153 | err = PTR_ERR(skb); |
| 154 | BT_ERR("%s: BCM: Patch command %04x failed (%d)", |
| 155 | hdev->name, opcode, err); |
| 156 | goto done; |
| 157 | } |
| 158 | kfree_skb(skb); |
| 159 | } |
| 160 | |
| 161 | /* 250 msec delay after Launch Ram completes */ |
| 162 | msleep(250); |
| 163 | |
| 164 | done: |
| 165 | return err; |
| 166 | } |
| 167 | EXPORT_SYMBOL(btbcm_patchram); |
| 168 | |
| 169 | static int btbcm_reset(struct hci_dev *hdev) |
| 170 | { |
| 171 | struct sk_buff *skb; |
| 172 | |
| 173 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 174 | if (IS_ERR(skb)) { |
| 175 | int err = PTR_ERR(skb); |
| 176 | BT_ERR("%s: BCM: Reset failed (%d)", hdev->name, err); |
| 177 | return err; |
| 178 | } |
| 179 | kfree_skb(skb); |
| 180 | |
| 181 | /* 100 msec delay for module to complete reset process */ |
| 182 | msleep(100); |
| 183 | |
| 184 | return 0; |
| 185 | } |
| 186 | |
| 187 | static struct sk_buff *btbcm_read_local_name(struct hci_dev *hdev) |
| 188 | { |
| 189 | struct sk_buff *skb; |
| 190 | |
| 191 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL, |
| 192 | HCI_INIT_TIMEOUT); |
| 193 | if (IS_ERR(skb)) { |
| 194 | BT_ERR("%s: BCM: Reading local name failed (%ld)", |
| 195 | hdev->name, PTR_ERR(skb)); |
| 196 | return skb; |
| 197 | } |
| 198 | |
| 199 | if (skb->len != sizeof(struct hci_rp_read_local_name)) { |
| 200 | BT_ERR("%s: BCM: Local name length mismatch", hdev->name); |
| 201 | kfree_skb(skb); |
| 202 | return ERR_PTR(-EIO); |
| 203 | } |
| 204 | |
| 205 | return skb; |
| 206 | } |
| 207 | |
| 208 | static struct sk_buff *btbcm_read_local_version(struct hci_dev *hdev) |
| 209 | { |
| 210 | struct sk_buff *skb; |
| 211 | |
| 212 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
| 213 | HCI_INIT_TIMEOUT); |
| 214 | if (IS_ERR(skb)) { |
| 215 | BT_ERR("%s: BCM: Reading local version info failed (%ld)", |
| 216 | hdev->name, PTR_ERR(skb)); |
| 217 | return skb; |
| 218 | } |
| 219 | |
| 220 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { |
| 221 | BT_ERR("%s: BCM: Local version length mismatch", hdev->name); |
| 222 | kfree_skb(skb); |
| 223 | return ERR_PTR(-EIO); |
| 224 | } |
| 225 | |
| 226 | return skb; |
| 227 | } |
| 228 | |
| 229 | static struct sk_buff *btbcm_read_verbose_config(struct hci_dev *hdev) |
| 230 | { |
| 231 | struct sk_buff *skb; |
| 232 | |
| 233 | skb = __hci_cmd_sync(hdev, 0xfc79, 0, NULL, HCI_INIT_TIMEOUT); |
| 234 | if (IS_ERR(skb)) { |
| 235 | BT_ERR("%s: BCM: Read verbose config info failed (%ld)", |
| 236 | hdev->name, PTR_ERR(skb)); |
| 237 | return skb; |
| 238 | } |
| 239 | |
| 240 | if (skb->len != 7) { |
| 241 | BT_ERR("%s: BCM: Verbose config length mismatch", hdev->name); |
| 242 | kfree_skb(skb); |
| 243 | return ERR_PTR(-EIO); |
| 244 | } |
| 245 | |
| 246 | return skb; |
| 247 | } |
| 248 | |
| 249 | static struct sk_buff *btbcm_read_controller_features(struct hci_dev *hdev) |
| 250 | { |
| 251 | struct sk_buff *skb; |
| 252 | |
| 253 | skb = __hci_cmd_sync(hdev, 0xfc6e, 0, NULL, HCI_INIT_TIMEOUT); |
| 254 | if (IS_ERR(skb)) { |
| 255 | BT_ERR("%s: BCM: Read controller features failed (%ld)", |
| 256 | hdev->name, PTR_ERR(skb)); |
| 257 | return skb; |
| 258 | } |
| 259 | |
| 260 | if (skb->len != 9) { |
| 261 | BT_ERR("%s: BCM: Controller features length mismatch", |
| 262 | hdev->name); |
| 263 | kfree_skb(skb); |
| 264 | return ERR_PTR(-EIO); |
| 265 | } |
| 266 | |
| 267 | return skb; |
| 268 | } |
| 269 | |
| 270 | static struct sk_buff *btbcm_read_usb_product(struct hci_dev *hdev) |
| 271 | { |
| 272 | struct sk_buff *skb; |
| 273 | |
| 274 | skb = __hci_cmd_sync(hdev, 0xfc5a, 0, NULL, HCI_INIT_TIMEOUT); |
| 275 | if (IS_ERR(skb)) { |
| 276 | BT_ERR("%s: BCM: Read USB product info failed (%ld)", |
| 277 | hdev->name, PTR_ERR(skb)); |
| 278 | return skb; |
| 279 | } |
| 280 | |
| 281 | if (skb->len != 5) { |
| 282 | BT_ERR("%s: BCM: USB product length mismatch", hdev->name); |
| 283 | kfree_skb(skb); |
| 284 | return ERR_PTR(-EIO); |
| 285 | } |
| 286 | |
| 287 | return skb; |
| 288 | } |
| 289 | |
| 290 | static int btbcm_read_info(struct hci_dev *hdev) |
| 291 | { |
| 292 | struct sk_buff *skb; |
| 293 | |
| 294 | /* Read Verbose Config Version Info */ |
| 295 | skb = btbcm_read_verbose_config(hdev); |
| 296 | if (IS_ERR(skb)) |
| 297 | return PTR_ERR(skb); |
| 298 | |
| 299 | BT_INFO("%s: BCM: chip id %u", hdev->name, skb->data[1]); |
| 300 | kfree_skb(skb); |
| 301 | |
| 302 | /* Read Controller Features */ |
| 303 | skb = btbcm_read_controller_features(hdev); |
| 304 | if (IS_ERR(skb)) |
| 305 | return PTR_ERR(skb); |
| 306 | |
| 307 | BT_INFO("%s: BCM: features 0x%2.2x", hdev->name, skb->data[1]); |
| 308 | kfree_skb(skb); |
| 309 | |
| 310 | /* Read Local Name */ |
| 311 | skb = btbcm_read_local_name(hdev); |
| 312 | if (IS_ERR(skb)) |
| 313 | return PTR_ERR(skb); |
| 314 | |
| 315 | BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1)); |
| 316 | kfree_skb(skb); |
| 317 | |
| 318 | return 0; |
| 319 | } |
| 320 | |
| 321 | static const struct { |
| 322 | u16 subver; |
| 323 | const char *name; |
| 324 | } bcm_uart_subver_table[] = { |
| 325 | { 0x4103, "BCM4330B1" }, /* 002.001.003 */ |
| 326 | { 0x410e, "BCM43341B0" }, /* 002.001.014 */ |
| 327 | { 0x4406, "BCM4324B3" }, /* 002.004.006 */ |
| 328 | { 0x6109, "BCM4335C0" }, /* 003.001.009 */ |
| 329 | { 0x610c, "BCM4354" }, /* 003.001.012 */ |
| 330 | { 0x2209, "BCM43430A1" }, /* 001.002.009 */ |
| 331 | { } |
| 332 | }; |
| 333 | |
| 334 | int btbcm_initialize(struct hci_dev *hdev, char *fw_name, size_t len) |
| 335 | { |
| 336 | u16 subver, rev; |
| 337 | const char *hw_name = NULL; |
| 338 | struct sk_buff *skb; |
| 339 | struct hci_rp_read_local_version *ver; |
| 340 | int i, err; |
| 341 | |
| 342 | /* Reset */ |
| 343 | err = btbcm_reset(hdev); |
| 344 | if (err) |
| 345 | return err; |
| 346 | |
| 347 | /* Read Local Version Info */ |
| 348 | skb = btbcm_read_local_version(hdev); |
| 349 | if (IS_ERR(skb)) |
| 350 | return PTR_ERR(skb); |
| 351 | |
| 352 | ver = (struct hci_rp_read_local_version *)skb->data; |
| 353 | rev = le16_to_cpu(ver->hci_rev); |
| 354 | subver = le16_to_cpu(ver->lmp_subver); |
| 355 | kfree_skb(skb); |
| 356 | |
| 357 | /* Read controller information */ |
| 358 | err = btbcm_read_info(hdev); |
| 359 | if (err) |
| 360 | return err; |
| 361 | |
| 362 | switch ((rev & 0xf000) >> 12) { |
| 363 | case 0: |
| 364 | case 1: |
| 365 | case 3: |
| 366 | for (i = 0; bcm_uart_subver_table[i].name; i++) { |
| 367 | if (subver == bcm_uart_subver_table[i].subver) { |
| 368 | hw_name = bcm_uart_subver_table[i].name; |
| 369 | break; |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | snprintf(fw_name, len, "brcm/%s.hcd", hw_name ? : "BCM"); |
| 374 | break; |
| 375 | default: |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, |
| 380 | hw_name ? : "BCM", (subver & 0xe000) >> 13, |
| 381 | (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); |
| 382 | |
| 383 | return 0; |
| 384 | } |
| 385 | EXPORT_SYMBOL_GPL(btbcm_initialize); |
| 386 | |
| 387 | int btbcm_finalize(struct hci_dev *hdev) |
| 388 | { |
| 389 | struct sk_buff *skb; |
| 390 | struct hci_rp_read_local_version *ver; |
| 391 | u16 subver, rev; |
| 392 | int err; |
| 393 | |
| 394 | /* Reset */ |
| 395 | err = btbcm_reset(hdev); |
| 396 | if (err) |
| 397 | return err; |
| 398 | |
| 399 | /* Read Local Version Info */ |
| 400 | skb = btbcm_read_local_version(hdev); |
| 401 | if (IS_ERR(skb)) |
| 402 | return PTR_ERR(skb); |
| 403 | |
| 404 | ver = (struct hci_rp_read_local_version *)skb->data; |
| 405 | rev = le16_to_cpu(ver->hci_rev); |
| 406 | subver = le16_to_cpu(ver->lmp_subver); |
| 407 | kfree_skb(skb); |
| 408 | |
| 409 | BT_INFO("%s: BCM (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, |
| 410 | (subver & 0xe000) >> 13, (subver & 0x1f00) >> 8, |
| 411 | (subver & 0x00ff), rev & 0x0fff); |
| 412 | |
| 413 | btbcm_check_bdaddr(hdev); |
| 414 | |
| 415 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
| 416 | |
| 417 | return 0; |
| 418 | } |
| 419 | EXPORT_SYMBOL_GPL(btbcm_finalize); |
| 420 | |
| 421 | static const struct { |
| 422 | u16 subver; |
| 423 | const char *name; |
| 424 | } bcm_usb_subver_table[] = { |
| 425 | { 0x210b, "BCM43142A0" }, /* 001.001.011 */ |
| 426 | { 0x2112, "BCM4314A0" }, /* 001.001.018 */ |
| 427 | { 0x2118, "BCM20702A0" }, /* 001.001.024 */ |
| 428 | { 0x2126, "BCM4335A0" }, /* 001.001.038 */ |
| 429 | { 0x220e, "BCM20702A1" }, /* 001.002.014 */ |
| 430 | { 0x230f, "BCM4354A2" }, /* 001.003.015 */ |
| 431 | { 0x4106, "BCM4335B0" }, /* 002.001.006 */ |
| 432 | { 0x410e, "BCM20702B0" }, /* 002.001.014 */ |
| 433 | { 0x6109, "BCM4335C0" }, /* 003.001.009 */ |
| 434 | { 0x610c, "BCM4354" }, /* 003.001.012 */ |
| 435 | { } |
| 436 | }; |
| 437 | |
| 438 | int btbcm_setup_patchram(struct hci_dev *hdev) |
| 439 | { |
| 440 | char fw_name[64]; |
| 441 | const struct firmware *fw; |
| 442 | u16 subver, rev, pid, vid; |
| 443 | const char *hw_name = NULL; |
| 444 | struct sk_buff *skb; |
| 445 | struct hci_rp_read_local_version *ver; |
| 446 | int i, err; |
| 447 | |
| 448 | /* Reset */ |
| 449 | err = btbcm_reset(hdev); |
| 450 | if (err) |
| 451 | return err; |
| 452 | |
| 453 | /* Read Local Version Info */ |
| 454 | skb = btbcm_read_local_version(hdev); |
| 455 | if (IS_ERR(skb)) |
| 456 | return PTR_ERR(skb); |
| 457 | |
| 458 | ver = (struct hci_rp_read_local_version *)skb->data; |
| 459 | rev = le16_to_cpu(ver->hci_rev); |
| 460 | subver = le16_to_cpu(ver->lmp_subver); |
| 461 | kfree_skb(skb); |
| 462 | |
| 463 | /* Read controller information */ |
| 464 | err = btbcm_read_info(hdev); |
| 465 | if (err) |
| 466 | return err; |
| 467 | |
| 468 | switch ((rev & 0xf000) >> 12) { |
| 469 | case 0: |
| 470 | case 3: |
| 471 | for (i = 0; bcm_uart_subver_table[i].name; i++) { |
| 472 | if (subver == bcm_uart_subver_table[i].subver) { |
| 473 | hw_name = bcm_uart_subver_table[i].name; |
| 474 | break; |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | snprintf(fw_name, sizeof(fw_name), "brcm/%s.hcd", |
| 479 | hw_name ? : "BCM"); |
| 480 | break; |
| 481 | case 1: |
| 482 | case 2: |
| 483 | /* Read USB Product Info */ |
| 484 | skb = btbcm_read_usb_product(hdev); |
| 485 | if (IS_ERR(skb)) |
| 486 | return PTR_ERR(skb); |
| 487 | |
| 488 | vid = get_unaligned_le16(skb->data + 1); |
| 489 | pid = get_unaligned_le16(skb->data + 3); |
| 490 | kfree_skb(skb); |
| 491 | |
| 492 | for (i = 0; bcm_usb_subver_table[i].name; i++) { |
| 493 | if (subver == bcm_usb_subver_table[i].subver) { |
| 494 | hw_name = bcm_usb_subver_table[i].name; |
| 495 | break; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%4.4x-%4.4x.hcd", |
| 500 | hw_name ? : "BCM", vid, pid); |
| 501 | break; |
| 502 | default: |
| 503 | return 0; |
| 504 | } |
| 505 | |
| 506 | BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, |
| 507 | hw_name ? : "BCM", (subver & 0xe000) >> 13, |
| 508 | (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); |
| 509 | |
| 510 | err = request_firmware(&fw, fw_name, &hdev->dev); |
| 511 | if (err < 0) { |
| 512 | BT_INFO("%s: BCM: Patch %s not found", hdev->name, fw_name); |
| 513 | goto done; |
| 514 | } |
| 515 | |
| 516 | btbcm_patchram(hdev, fw); |
| 517 | |
| 518 | release_firmware(fw); |
| 519 | |
| 520 | /* Reset */ |
| 521 | err = btbcm_reset(hdev); |
| 522 | if (err) |
| 523 | return err; |
| 524 | |
| 525 | /* Read Local Version Info */ |
| 526 | skb = btbcm_read_local_version(hdev); |
| 527 | if (IS_ERR(skb)) |
| 528 | return PTR_ERR(skb); |
| 529 | |
| 530 | ver = (struct hci_rp_read_local_version *)skb->data; |
| 531 | rev = le16_to_cpu(ver->hci_rev); |
| 532 | subver = le16_to_cpu(ver->lmp_subver); |
| 533 | kfree_skb(skb); |
| 534 | |
| 535 | BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, |
| 536 | hw_name ? : "BCM", (subver & 0xe000) >> 13, |
| 537 | (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); |
| 538 | |
| 539 | /* Read Local Name */ |
| 540 | skb = btbcm_read_local_name(hdev); |
| 541 | if (IS_ERR(skb)) |
| 542 | return PTR_ERR(skb); |
| 543 | |
| 544 | BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1)); |
| 545 | kfree_skb(skb); |
| 546 | |
| 547 | done: |
| 548 | btbcm_check_bdaddr(hdev); |
| 549 | |
| 550 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
| 551 | |
| 552 | return 0; |
| 553 | } |
| 554 | EXPORT_SYMBOL_GPL(btbcm_setup_patchram); |
| 555 | |
| 556 | int btbcm_setup_apple(struct hci_dev *hdev) |
| 557 | { |
| 558 | struct sk_buff *skb; |
| 559 | int err; |
| 560 | |
| 561 | /* Reset */ |
| 562 | err = btbcm_reset(hdev); |
| 563 | if (err) |
| 564 | return err; |
| 565 | |
| 566 | /* Read Verbose Config Version Info */ |
| 567 | skb = btbcm_read_verbose_config(hdev); |
| 568 | if (!IS_ERR(skb)) { |
| 569 | BT_INFO("%s: BCM: chip id %u build %4.4u", hdev->name, |
| 570 | skb->data[1], get_unaligned_le16(skb->data + 5)); |
| 571 | kfree_skb(skb); |
| 572 | } |
| 573 | |
| 574 | /* Read USB Product Info */ |
| 575 | skb = btbcm_read_usb_product(hdev); |
| 576 | if (!IS_ERR(skb)) { |
| 577 | BT_INFO("%s: BCM: product %4.4x:%4.4x", hdev->name, |
| 578 | get_unaligned_le16(skb->data + 1), |
| 579 | get_unaligned_le16(skb->data + 3)); |
| 580 | kfree_skb(skb); |
| 581 | } |
| 582 | |
| 583 | /* Read Controller Features */ |
| 584 | skb = btbcm_read_controller_features(hdev); |
| 585 | if (!IS_ERR(skb)) { |
| 586 | BT_INFO("%s: BCM: features 0x%2.2x", hdev->name, skb->data[1]); |
| 587 | kfree_skb(skb); |
| 588 | } |
| 589 | |
| 590 | /* Read Local Name */ |
| 591 | skb = btbcm_read_local_name(hdev); |
| 592 | if (!IS_ERR(skb)) { |
| 593 | BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1)); |
| 594 | kfree_skb(skb); |
| 595 | } |
| 596 | |
| 597 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
| 598 | |
| 599 | return 0; |
| 600 | } |
| 601 | EXPORT_SYMBOL_GPL(btbcm_setup_apple); |
| 602 | |
| 603 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
| 604 | MODULE_DESCRIPTION("Bluetooth support for Broadcom devices ver " VERSION); |
| 605 | MODULE_VERSION(VERSION); |
| 606 | MODULE_LICENSE("GPL"); |