1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Bluetooth supports for Qualcomm Atheros chips 4 * 5 * Copyright (c) 2015 The Linux Foundation. All rights reserved. 6 */ 7 #include <linux/module.h> 8 #include <linux/firmware.h> 9 #include <linux/vmalloc.h> 10 11 #include <net/bluetooth/bluetooth.h> 12 #include <net/bluetooth/hci_core.h> 13 14 #include "btqca.h" 15 16 #define VERSION "0.1" 17 18 int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver, 19 enum qca_btsoc_type soc_type) 20 { 21 struct sk_buff *skb; 22 struct edl_event_hdr *edl; 23 char cmd; 24 int err = 0; 25 u8 event_type = HCI_EV_VENDOR; 26 u8 rlen = sizeof(*edl) + sizeof(*ver); 27 u8 rtype = EDL_APP_VER_RES_EVT; 28 29 bt_dev_dbg(hdev, "QCA Version Request"); 30 31 /* Unlike other SoC's sending version command response as payload to 32 * VSE event. WCN3991 sends version command response as a payload to 33 * command complete event. 34 */ 35 if (soc_type >= QCA_WCN3991) { 36 event_type = 0; 37 rlen += 1; 38 rtype = EDL_PATCH_VER_REQ_CMD; 39 } 40 41 cmd = EDL_PATCH_VER_REQ_CMD; 42 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, 43 &cmd, event_type, HCI_INIT_TIMEOUT); 44 if (IS_ERR(skb)) { 45 err = PTR_ERR(skb); 46 bt_dev_err(hdev, "Reading QCA version information failed (%d)", 47 err); 48 return err; 49 } 50 51 if (skb->len != rlen) { 52 bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len); 53 err = -EILSEQ; 54 goto out; 55 } 56 57 edl = (struct edl_event_hdr *)(skb->data); 58 if (!edl) { 59 bt_dev_err(hdev, "QCA TLV with no header"); 60 err = -EILSEQ; 61 goto out; 62 } 63 64 if (edl->cresp != EDL_CMD_REQ_RES_EVT || 65 edl->rtype != rtype) { 66 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, 67 edl->rtype); 68 err = -EIO; 69 goto out; 70 } 71 72 if (soc_type >= QCA_WCN3991) 73 memcpy(ver, edl->data + 1, sizeof(*ver)); 74 else 75 memcpy(ver, &edl->data, sizeof(*ver)); 76 77 bt_dev_info(hdev, "QCA Product ID :0x%08x", 78 le32_to_cpu(ver->product_id)); 79 bt_dev_info(hdev, "QCA SOC Version :0x%08x", 80 le32_to_cpu(ver->soc_id)); 81 bt_dev_info(hdev, "QCA ROM Version :0x%08x", 82 le16_to_cpu(ver->rom_ver)); 83 bt_dev_info(hdev, "QCA Patch Version:0x%08x", 84 le16_to_cpu(ver->patch_ver)); 85 86 if (ver->soc_id == 0 || ver->rom_ver == 0) 87 err = -EILSEQ; 88 89 out: 90 kfree_skb(skb); 91 if (err) 92 bt_dev_err(hdev, "QCA Failed to get version (%d)", err); 93 94 return err; 95 } 96 EXPORT_SYMBOL_GPL(qca_read_soc_version); 97 98 static int qca_read_fw_build_info(struct hci_dev *hdev) 99 { 100 struct sk_buff *skb; 101 struct edl_event_hdr *edl; 102 char cmd, build_label[QCA_FW_BUILD_VER_LEN]; 103 int build_lbl_len, err = 0; 104 105 bt_dev_dbg(hdev, "QCA read fw build info"); 106 107 cmd = EDL_GET_BUILD_INFO_CMD; 108 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, 109 &cmd, 0, HCI_INIT_TIMEOUT); 110 if (IS_ERR(skb)) { 111 err = PTR_ERR(skb); 112 bt_dev_err(hdev, "Reading QCA fw build info failed (%d)", 113 err); 114 return err; 115 } 116 117 edl = (struct edl_event_hdr *)(skb->data); 118 if (!edl) { 119 bt_dev_err(hdev, "QCA read fw build info with no header"); 120 err = -EILSEQ; 121 goto out; 122 } 123 124 if (edl->cresp != EDL_CMD_REQ_RES_EVT || 125 edl->rtype != EDL_GET_BUILD_INFO_CMD) { 126 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, 127 edl->rtype); 128 err = -EIO; 129 goto out; 130 } 131 132 build_lbl_len = edl->data[0]; 133 if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) { 134 memcpy(build_label, edl->data + 1, build_lbl_len); 135 *(build_label + build_lbl_len) = '\0'; 136 } 137 138 hci_set_fw_info(hdev, "%s", build_label); 139 140 out: 141 kfree_skb(skb); 142 return err; 143 } 144 145 static int qca_send_patch_config_cmd(struct hci_dev *hdev) 146 { 147 const u8 cmd[] = { EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0 }; 148 struct sk_buff *skb; 149 struct edl_event_hdr *edl; 150 int err; 151 152 bt_dev_dbg(hdev, "QCA Patch config"); 153 154 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd), 155 cmd, 0, HCI_INIT_TIMEOUT); 156 if (IS_ERR(skb)) { 157 err = PTR_ERR(skb); 158 bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err); 159 return err; 160 } 161 162 if (skb->len != 2) { 163 bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len); 164 err = -EILSEQ; 165 goto out; 166 } 167 168 edl = (struct edl_event_hdr *)(skb->data); 169 if (!edl) { 170 bt_dev_err(hdev, "QCA Patch config with no header"); 171 err = -EILSEQ; 172 goto out; 173 } 174 175 if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != EDL_PATCH_CONFIG_CMD) { 176 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, 177 edl->rtype); 178 err = -EIO; 179 goto out; 180 } 181 182 err = 0; 183 184 out: 185 kfree_skb(skb); 186 return err; 187 } 188 189 static int qca_send_reset(struct hci_dev *hdev) 190 { 191 struct sk_buff *skb; 192 int err; 193 194 bt_dev_dbg(hdev, "QCA HCI_RESET"); 195 196 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); 197 if (IS_ERR(skb)) { 198 err = PTR_ERR(skb); 199 bt_dev_err(hdev, "QCA Reset failed (%d)", err); 200 return err; 201 } 202 203 kfree_skb(skb); 204 205 return 0; 206 } 207 208 static int qca_read_fw_board_id(struct hci_dev *hdev, u16 *bid) 209 { 210 u8 cmd; 211 struct sk_buff *skb; 212 struct edl_event_hdr *edl; 213 int err = 0; 214 215 cmd = EDL_GET_BID_REQ_CMD; 216 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, 217 &cmd, 0, HCI_INIT_TIMEOUT); 218 if (IS_ERR(skb)) { 219 err = PTR_ERR(skb); 220 bt_dev_err(hdev, "Reading QCA board ID failed (%d)", err); 221 return err; 222 } 223 224 edl = skb_pull_data(skb, sizeof(*edl)); 225 if (!edl) { 226 bt_dev_err(hdev, "QCA read board ID with no header"); 227 err = -EILSEQ; 228 goto out; 229 } 230 231 if (edl->cresp != EDL_CMD_REQ_RES_EVT || 232 edl->rtype != EDL_GET_BID_REQ_CMD) { 233 bt_dev_err(hdev, "QCA Wrong packet: %d %d", edl->cresp, edl->rtype); 234 err = -EIO; 235 goto out; 236 } 237 238 *bid = (edl->data[1] << 8) + edl->data[2]; 239 bt_dev_dbg(hdev, "%s: bid = %x", __func__, *bid); 240 241 out: 242 kfree_skb(skb); 243 return err; 244 } 245 246 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) 247 { 248 struct sk_buff *skb; 249 int err; 250 251 bt_dev_dbg(hdev, "QCA pre shutdown cmd"); 252 253 skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0, 254 NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); 255 256 if (IS_ERR(skb)) { 257 err = PTR_ERR(skb); 258 bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err); 259 return err; 260 } 261 262 kfree_skb(skb); 263 264 return 0; 265 } 266 EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd); 267 268 static void qca_tlv_check_data(struct hci_dev *hdev, 269 struct qca_fw_config *config, 270 u8 *fw_data, enum qca_btsoc_type soc_type) 271 { 272 const u8 *data; 273 u32 type_len; 274 u16 tag_id, tag_len; 275 int idx, length; 276 struct tlv_type_hdr *tlv; 277 struct tlv_type_patch *tlv_patch; 278 struct tlv_type_nvm *tlv_nvm; 279 uint8_t nvm_baud_rate = config->user_baud_rate; 280 281 config->dnld_mode = QCA_SKIP_EVT_NONE; 282 config->dnld_type = QCA_SKIP_EVT_NONE; 283 284 switch (config->type) { 285 case ELF_TYPE_PATCH: 286 config->dnld_mode = QCA_SKIP_EVT_VSE_CC; 287 config->dnld_type = QCA_SKIP_EVT_VSE_CC; 288 289 bt_dev_dbg(hdev, "File Class : 0x%x", fw_data[4]); 290 bt_dev_dbg(hdev, "Data Encoding : 0x%x", fw_data[5]); 291 bt_dev_dbg(hdev, "File version : 0x%x", fw_data[6]); 292 break; 293 case TLV_TYPE_PATCH: 294 tlv = (struct tlv_type_hdr *)fw_data; 295 type_len = le32_to_cpu(tlv->type_len); 296 tlv_patch = (struct tlv_type_patch *)tlv->data; 297 298 /* For Rome version 1.1 to 3.1, all segment commands 299 * are acked by a vendor specific event (VSE). 300 * For Rome >= 3.2, the download mode field indicates 301 * if VSE is skipped by the controller. 302 * In case VSE is skipped, only the last segment is acked. 303 */ 304 config->dnld_mode = tlv_patch->download_mode; 305 config->dnld_type = config->dnld_mode; 306 307 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff); 308 BT_DBG("Total Length : %d bytes", 309 le32_to_cpu(tlv_patch->total_size)); 310 BT_DBG("Patch Data Length : %d bytes", 311 le32_to_cpu(tlv_patch->data_length)); 312 BT_DBG("Signing Format Version : 0x%x", 313 tlv_patch->format_version); 314 BT_DBG("Signature Algorithm : 0x%x", 315 tlv_patch->signature); 316 BT_DBG("Download mode : 0x%x", 317 tlv_patch->download_mode); 318 BT_DBG("Reserved : 0x%x", 319 tlv_patch->reserved1); 320 BT_DBG("Product ID : 0x%04x", 321 le16_to_cpu(tlv_patch->product_id)); 322 BT_DBG("Rom Build Version : 0x%04x", 323 le16_to_cpu(tlv_patch->rom_build)); 324 BT_DBG("Patch Version : 0x%04x", 325 le16_to_cpu(tlv_patch->patch_version)); 326 BT_DBG("Reserved : 0x%x", 327 le16_to_cpu(tlv_patch->reserved2)); 328 BT_DBG("Patch Entry Address : 0x%x", 329 le32_to_cpu(tlv_patch->entry)); 330 break; 331 332 case TLV_TYPE_NVM: 333 tlv = (struct tlv_type_hdr *)fw_data; 334 335 type_len = le32_to_cpu(tlv->type_len); 336 length = (type_len >> 8) & 0x00ffffff; 337 338 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff); 339 BT_DBG("Length\t\t : %d bytes", length); 340 341 idx = 0; 342 data = tlv->data; 343 while (idx < length) { 344 tlv_nvm = (struct tlv_type_nvm *)(data + idx); 345 346 tag_id = le16_to_cpu(tlv_nvm->tag_id); 347 tag_len = le16_to_cpu(tlv_nvm->tag_len); 348 349 /* Update NVM tags as needed */ 350 switch (tag_id) { 351 case EDL_TAG_ID_HCI: 352 /* HCI transport layer parameters 353 * enabling software inband sleep 354 * onto controller side. 355 */ 356 tlv_nvm->data[0] |= 0x80; 357 358 /* UART Baud Rate */ 359 if (soc_type >= QCA_WCN3991) 360 tlv_nvm->data[1] = nvm_baud_rate; 361 else 362 tlv_nvm->data[2] = nvm_baud_rate; 363 364 break; 365 366 case EDL_TAG_ID_DEEP_SLEEP: 367 /* Sleep enable mask 368 * enabling deep sleep feature on controller. 369 */ 370 tlv_nvm->data[0] |= 0x01; 371 372 break; 373 } 374 375 idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len); 376 } 377 break; 378 379 default: 380 BT_ERR("Unknown TLV type %d", config->type); 381 break; 382 } 383 } 384 385 static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size, 386 const u8 *data, enum qca_tlv_dnld_mode mode, 387 enum qca_btsoc_type soc_type) 388 { 389 struct sk_buff *skb; 390 struct edl_event_hdr *edl; 391 struct tlv_seg_resp *tlv_resp; 392 u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2]; 393 int err = 0; 394 u8 event_type = HCI_EV_VENDOR; 395 u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp)); 396 u8 rtype = EDL_TVL_DNLD_RES_EVT; 397 398 cmd[0] = EDL_PATCH_TLV_REQ_CMD; 399 cmd[1] = seg_size; 400 memcpy(cmd + 2, data, seg_size); 401 402 if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE) 403 return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, 404 cmd); 405 406 /* Unlike other SoC's sending version command response as payload to 407 * VSE event. WCN3991 sends version command response as a payload to 408 * command complete event. 409 */ 410 if (soc_type >= QCA_WCN3991) { 411 event_type = 0; 412 rlen = sizeof(*edl); 413 rtype = EDL_PATCH_TLV_REQ_CMD; 414 } 415 416 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd, 417 event_type, HCI_INIT_TIMEOUT); 418 if (IS_ERR(skb)) { 419 err = PTR_ERR(skb); 420 bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err); 421 return err; 422 } 423 424 if (skb->len != rlen) { 425 bt_dev_err(hdev, "QCA TLV response size mismatch"); 426 err = -EILSEQ; 427 goto out; 428 } 429 430 edl = (struct edl_event_hdr *)(skb->data); 431 if (!edl) { 432 bt_dev_err(hdev, "TLV with no header"); 433 err = -EILSEQ; 434 goto out; 435 } 436 437 if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) { 438 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x", 439 edl->cresp, edl->rtype); 440 err = -EIO; 441 } 442 443 if (soc_type >= QCA_WCN3991) 444 goto out; 445 446 tlv_resp = (struct tlv_seg_resp *)(edl->data); 447 if (tlv_resp->result) { 448 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)", 449 edl->cresp, edl->rtype, tlv_resp->result); 450 } 451 452 out: 453 kfree_skb(skb); 454 455 return err; 456 } 457 458 static int qca_inject_cmd_complete_event(struct hci_dev *hdev) 459 { 460 struct hci_event_hdr *hdr; 461 struct hci_ev_cmd_complete *evt; 462 struct sk_buff *skb; 463 464 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); 465 if (!skb) 466 return -ENOMEM; 467 468 hdr = skb_put(skb, sizeof(*hdr)); 469 hdr->evt = HCI_EV_CMD_COMPLETE; 470 hdr->plen = sizeof(*evt) + 1; 471 472 evt = skb_put(skb, sizeof(*evt)); 473 evt->ncmd = 1; 474 evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE); 475 476 skb_put_u8(skb, QCA_HCI_CC_SUCCESS); 477 478 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 479 480 return hci_recv_frame(hdev, skb); 481 } 482 483 static int qca_download_firmware(struct hci_dev *hdev, 484 struct qca_fw_config *config, 485 enum qca_btsoc_type soc_type, 486 u8 rom_ver) 487 { 488 const struct firmware *fw; 489 u8 *data; 490 const u8 *segment; 491 int ret, size, remain, i = 0; 492 493 bt_dev_info(hdev, "QCA Downloading %s", config->fwname); 494 495 ret = request_firmware(&fw, config->fwname, &hdev->dev); 496 if (ret) { 497 /* For WCN6750, if mbn file is not present then check for 498 * tlv file. 499 */ 500 if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) { 501 bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)", 502 config->fwname, ret); 503 config->type = TLV_TYPE_PATCH; 504 snprintf(config->fwname, sizeof(config->fwname), 505 "qca/msbtfw%02x.tlv", rom_ver); 506 bt_dev_info(hdev, "QCA Downloading %s", config->fwname); 507 ret = request_firmware(&fw, config->fwname, &hdev->dev); 508 if (ret) { 509 bt_dev_err(hdev, "QCA Failed to request file: %s (%d)", 510 config->fwname, ret); 511 return ret; 512 } 513 } else { 514 bt_dev_err(hdev, "QCA Failed to request file: %s (%d)", 515 config->fwname, ret); 516 return ret; 517 } 518 } 519 520 size = fw->size; 521 data = vmalloc(fw->size); 522 if (!data) { 523 bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s", 524 config->fwname); 525 release_firmware(fw); 526 return -ENOMEM; 527 } 528 529 memcpy(data, fw->data, size); 530 release_firmware(fw); 531 532 qca_tlv_check_data(hdev, config, data, soc_type); 533 534 segment = data; 535 remain = size; 536 while (remain > 0) { 537 int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain); 538 539 bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize); 540 541 remain -= segsize; 542 /* The last segment is always acked regardless download mode */ 543 if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT) 544 config->dnld_mode = QCA_SKIP_EVT_NONE; 545 546 ret = qca_tlv_send_segment(hdev, segsize, segment, 547 config->dnld_mode, soc_type); 548 if (ret) 549 goto out; 550 551 segment += segsize; 552 } 553 554 /* Latest qualcomm chipsets are not sending a command complete event 555 * for every fw packet sent. They only respond with a vendor specific 556 * event for the last packet. This optimization in the chip will 557 * decrease the BT in initialization time. Here we will inject a command 558 * complete event to avoid a command timeout error message. 559 */ 560 if (config->dnld_type == QCA_SKIP_EVT_VSE_CC || 561 config->dnld_type == QCA_SKIP_EVT_VSE) 562 ret = qca_inject_cmd_complete_event(hdev); 563 564 out: 565 vfree(data); 566 567 return ret; 568 } 569 570 static int qca_disable_soc_logging(struct hci_dev *hdev) 571 { 572 struct sk_buff *skb; 573 u8 cmd[2]; 574 int err; 575 576 cmd[0] = QCA_DISABLE_LOGGING_SUB_OP; 577 cmd[1] = 0x00; 578 skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd, 579 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); 580 if (IS_ERR(skb)) { 581 err = PTR_ERR(skb); 582 bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err); 583 return err; 584 } 585 586 kfree_skb(skb); 587 588 return 0; 589 } 590 591 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr) 592 { 593 struct sk_buff *skb; 594 u8 cmd[9]; 595 int err; 596 597 cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD; 598 cmd[1] = 0x02; /* TAG ID */ 599 cmd[2] = sizeof(bdaddr_t); /* size */ 600 memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t)); 601 skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd, 602 HCI_EV_VENDOR, HCI_INIT_TIMEOUT); 603 if (IS_ERR(skb)) { 604 err = PTR_ERR(skb); 605 bt_dev_err(hdev, "QCA Change address command failed (%d)", err); 606 return err; 607 } 608 609 kfree_skb(skb); 610 611 return 0; 612 } 613 EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome); 614 615 static void qca_generate_hsp_nvm_name(char *fwname, size_t max_size, 616 struct qca_btsoc_version ver, u8 rom_ver, u16 bid) 617 { 618 const char *variant; 619 620 /* hsp gf chip */ 621 if ((le32_to_cpu(ver.soc_id) & QCA_HSP_GF_SOC_MASK) == QCA_HSP_GF_SOC_ID) 622 variant = "g"; 623 else 624 variant = ""; 625 626 if (bid == 0x0) 627 snprintf(fwname, max_size, "qca/hpnv%02x%s.bin", rom_ver, variant); 628 else 629 snprintf(fwname, max_size, "qca/hpnv%02x%s.%x", rom_ver, variant, bid); 630 } 631 632 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, 633 enum qca_btsoc_type soc_type, struct qca_btsoc_version ver, 634 const char *firmware_name) 635 { 636 struct qca_fw_config config; 637 int err; 638 u8 rom_ver = 0; 639 u32 soc_ver; 640 u16 boardid = 0; 641 642 bt_dev_dbg(hdev, "QCA setup on UART"); 643 644 soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver); 645 646 bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver); 647 648 config.user_baud_rate = baudrate; 649 650 /* Firmware files to download are based on ROM version. 651 * ROM version is derived from last two bytes of soc_ver. 652 */ 653 if (soc_type == QCA_WCN3988) 654 rom_ver = ((soc_ver & 0x00000f00) >> 0x05) | (soc_ver & 0x0000000f); 655 else 656 rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); 657 658 if (soc_type == QCA_WCN6750) 659 qca_send_patch_config_cmd(hdev); 660 661 /* Download rampatch file */ 662 config.type = TLV_TYPE_PATCH; 663 switch (soc_type) { 664 case QCA_WCN3990: 665 case QCA_WCN3991: 666 case QCA_WCN3998: 667 snprintf(config.fwname, sizeof(config.fwname), 668 "qca/crbtfw%02x.tlv", rom_ver); 669 break; 670 case QCA_WCN3988: 671 snprintf(config.fwname, sizeof(config.fwname), 672 "qca/apbtfw%02x.tlv", rom_ver); 673 break; 674 case QCA_QCA2066: 675 snprintf(config.fwname, sizeof(config.fwname), 676 "qca/hpbtfw%02x.tlv", rom_ver); 677 break; 678 case QCA_QCA6390: 679 snprintf(config.fwname, sizeof(config.fwname), 680 "qca/htbtfw%02x.tlv", rom_ver); 681 break; 682 case QCA_WCN6750: 683 /* Choose mbn file by default.If mbn file is not found 684 * then choose tlv file 685 */ 686 config.type = ELF_TYPE_PATCH; 687 snprintf(config.fwname, sizeof(config.fwname), 688 "qca/msbtfw%02x.mbn", rom_ver); 689 break; 690 case QCA_WCN6855: 691 snprintf(config.fwname, sizeof(config.fwname), 692 "qca/hpbtfw%02x.tlv", rom_ver); 693 break; 694 case QCA_WCN7850: 695 snprintf(config.fwname, sizeof(config.fwname), 696 "qca/hmtbtfw%02x.tlv", rom_ver); 697 break; 698 default: 699 snprintf(config.fwname, sizeof(config.fwname), 700 "qca/rampatch_%08x.bin", soc_ver); 701 } 702 703 err = qca_download_firmware(hdev, &config, soc_type, rom_ver); 704 if (err < 0) { 705 bt_dev_err(hdev, "QCA Failed to download patch (%d)", err); 706 return err; 707 } 708 709 /* Give the controller some time to get ready to receive the NVM */ 710 msleep(10); 711 712 if (soc_type == QCA_QCA2066) 713 qca_read_fw_board_id(hdev, &boardid); 714 715 /* Download NVM configuration */ 716 config.type = TLV_TYPE_NVM; 717 if (firmware_name) { 718 snprintf(config.fwname, sizeof(config.fwname), 719 "qca/%s", firmware_name); 720 } else { 721 switch (soc_type) { 722 case QCA_WCN3990: 723 case QCA_WCN3991: 724 case QCA_WCN3998: 725 if (le32_to_cpu(ver.soc_id) == QCA_WCN3991_SOC_ID) { 726 snprintf(config.fwname, sizeof(config.fwname), 727 "qca/crnv%02xu.bin", rom_ver); 728 } else { 729 snprintf(config.fwname, sizeof(config.fwname), 730 "qca/crnv%02x.bin", rom_ver); 731 } 732 break; 733 case QCA_WCN3988: 734 snprintf(config.fwname, sizeof(config.fwname), 735 "qca/apnv%02x.bin", rom_ver); 736 break; 737 case QCA_QCA2066: 738 qca_generate_hsp_nvm_name(config.fwname, 739 sizeof(config.fwname), ver, rom_ver, boardid); 740 break; 741 case QCA_QCA6390: 742 snprintf(config.fwname, sizeof(config.fwname), 743 "qca/htnv%02x.bin", rom_ver); 744 break; 745 case QCA_WCN6750: 746 snprintf(config.fwname, sizeof(config.fwname), 747 "qca/msnv%02x.bin", rom_ver); 748 break; 749 case QCA_WCN6855: 750 snprintf(config.fwname, sizeof(config.fwname), 751 "qca/hpnv%02x.bin", rom_ver); 752 break; 753 case QCA_WCN7850: 754 snprintf(config.fwname, sizeof(config.fwname), 755 "qca/hmtnv%02x.bin", rom_ver); 756 break; 757 758 default: 759 snprintf(config.fwname, sizeof(config.fwname), 760 "qca/nvm_%08x.bin", soc_ver); 761 } 762 } 763 764 err = qca_download_firmware(hdev, &config, soc_type, rom_ver); 765 if (err < 0) { 766 bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err); 767 return err; 768 } 769 770 switch (soc_type) { 771 case QCA_WCN3991: 772 case QCA_QCA2066: 773 case QCA_QCA6390: 774 case QCA_WCN6750: 775 case QCA_WCN6855: 776 case QCA_WCN7850: 777 err = qca_disable_soc_logging(hdev); 778 if (err < 0) 779 return err; 780 break; 781 default: 782 break; 783 } 784 785 /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the 786 * VsMsftOpCode. 787 */ 788 switch (soc_type) { 789 case QCA_WCN3988: 790 case QCA_WCN3990: 791 case QCA_WCN3991: 792 case QCA_WCN3998: 793 case QCA_WCN6750: 794 hci_set_msft_opcode(hdev, 0xFD70); 795 break; 796 default: 797 break; 798 } 799 800 /* Perform HCI reset */ 801 err = qca_send_reset(hdev); 802 if (err < 0) { 803 bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err); 804 return err; 805 } 806 807 switch (soc_type) { 808 case QCA_WCN3991: 809 case QCA_WCN6750: 810 case QCA_WCN6855: 811 case QCA_WCN7850: 812 /* get fw build info */ 813 err = qca_read_fw_build_info(hdev); 814 if (err < 0) 815 return err; 816 break; 817 default: 818 break; 819 } 820 821 bt_dev_info(hdev, "QCA setup on UART is completed"); 822 823 return 0; 824 } 825 EXPORT_SYMBOL_GPL(qca_uart_setup); 826 827 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) 828 { 829 bdaddr_t bdaddr_swapped; 830 struct sk_buff *skb; 831 int err; 832 833 baswap(&bdaddr_swapped, bdaddr); 834 835 skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, 836 &bdaddr_swapped, HCI_EV_VENDOR, 837 HCI_INIT_TIMEOUT); 838 if (IS_ERR(skb)) { 839 err = PTR_ERR(skb); 840 bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err); 841 return err; 842 } 843 844 kfree_skb(skb); 845 846 return 0; 847 } 848 EXPORT_SYMBOL_GPL(qca_set_bdaddr); 849 850 851 MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>"); 852 MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION); 853 MODULE_VERSION(VERSION); 854 MODULE_LICENSE("GPL"); 855