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#define QCA_BDADDR_DEFAULT (&(bdaddr_t) {{ 0xad, 0x5a, 0x00, 0x00, 0x00, 0x00 }}) 19 20int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver, 21 enum qca_btsoc_type soc_type) 22{ 23 struct sk_buff *skb; 24 struct edl_event_hdr *edl; 25 char cmd; 26 int err = 0; 27 u8 event_type = HCI_EV_VENDOR; 28 u8 rlen = sizeof(*edl) + sizeof(*ver); 29 u8 rtype = EDL_APP_VER_RES_EVT; 30 31 bt_dev_dbg(hdev, "QCA Version Request"); 32 33 /* Unlike other SoC's sending version command response as payload to 34 * VSE event. WCN3991 sends version command response as a payload to 35 * command complete event. 36 */ 37 if (soc_type >= QCA_WCN3991) { 38 event_type = 0; 39 rlen += 1; 40 rtype = EDL_PATCH_VER_REQ_CMD; 41 } 42 43 cmd = EDL_PATCH_VER_REQ_CMD; 44 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, 45 &cmd, event_type, HCI_INIT_TIMEOUT); 46 if (IS_ERR(skb)) { 47 err = PTR_ERR(skb); 48 bt_dev_err(hdev, "Reading QCA version information failed (%d)", 49 err); 50 return err; 51 } 52 53 if (skb->len != rlen) { 54 bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len); 55 err = -EILSEQ; 56 goto out; 57 } 58 59 edl = (struct edl_event_hdr *)(skb->data); 60 if (!edl) { 61 bt_dev_err(hdev, "QCA TLV with no header"); 62 err = -EILSEQ; 63 goto out; 64 } 65 66 if (edl->cresp != EDL_CMD_REQ_RES_EVT || 67 edl->rtype != rtype) { 68 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, 69 edl->rtype); 70 err = -EIO; 71 goto out; 72 } 73 74 if (soc_type >= QCA_WCN3991) 75 memcpy(ver, edl->data + 1, sizeof(*ver)); 76 else 77 memcpy(ver, &edl->data, sizeof(*ver)); 78 79 bt_dev_info(hdev, "QCA Product ID :0x%08x", 80 le32_to_cpu(ver->product_id)); 81 bt_dev_info(hdev, "QCA SOC Version :0x%08x", 82 le32_to_cpu(ver->soc_id)); 83 bt_dev_info(hdev, "QCA ROM Version :0x%08x", 84 le16_to_cpu(ver->rom_ver)); 85 bt_dev_info(hdev, "QCA Patch Version:0x%08x", 86 le16_to_cpu(ver->patch_ver)); 87 88 if (ver->soc_id == 0 || ver->rom_ver == 0) 89 err = -EILSEQ; 90 91out: 92 kfree_skb(skb); 93 if (err) 94 bt_dev_err(hdev, "QCA Failed to get version (%d)", err); 95 96 return err; 97} 98EXPORT_SYMBOL_GPL(qca_read_soc_version); 99 100static int qca_read_fw_build_info(struct hci_dev *hdev) 101{ 102 struct sk_buff *skb; 103 struct edl_event_hdr *edl; 104 char cmd, build_label[QCA_FW_BUILD_VER_LEN]; 105 int build_lbl_len, err = 0; 106 107 bt_dev_dbg(hdev, "QCA read fw build info"); 108 109 cmd = EDL_GET_BUILD_INFO_CMD; 110 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, 111 &cmd, 0, HCI_INIT_TIMEOUT); 112 if (IS_ERR(skb)) { 113 err = PTR_ERR(skb); 114 bt_dev_err(hdev, "Reading QCA fw build info failed (%d)", 115 err); 116 return err; 117 } 118 119 edl = (struct edl_event_hdr *)(skb->data); 120 if (!edl) { 121 bt_dev_err(hdev, "QCA read fw build info with no header"); 122 err = -EILSEQ; 123 goto out; 124 } 125 126 if (edl->cresp != EDL_CMD_REQ_RES_EVT || 127 edl->rtype != EDL_GET_BUILD_INFO_CMD) { 128 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, 129 edl->rtype); 130 err = -EIO; 131 goto out; 132 } 133 134 build_lbl_len = edl->data[0]; 135 if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) { 136 memcpy(build_label, edl->data + 1, build_lbl_len); 137 *(build_label + build_lbl_len) = '\0'; 138 } 139 140 hci_set_fw_info(hdev, "%s", build_label); 141 142out: 143 kfree_skb(skb); 144 return err; 145} 146 147static int qca_send_patch_config_cmd(struct hci_dev *hdev) 148{ 149 const u8 cmd[] = { EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0 }; 150 struct sk_buff *skb; 151 struct edl_event_hdr *edl; 152 int err; 153 154 bt_dev_dbg(hdev, "QCA Patch config"); 155 156 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd), 157 cmd, 0, HCI_INIT_TIMEOUT); 158 if (IS_ERR(skb)) { 159 err = PTR_ERR(skb); 160 bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err); 161 return err; 162 } 163 164 if (skb->len != 2) { 165 bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len); 166 err = -EILSEQ; 167 goto out; 168 } 169 170 edl = (struct edl_event_hdr *)(skb->data); 171 if (!edl) { 172 bt_dev_err(hdev, "QCA Patch config with no header"); 173 err = -EILSEQ; 174 goto out; 175 } 176 177 if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != EDL_PATCH_CONFIG_CMD) { 178 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp, 179 edl->rtype); 180 err = -EIO; 181 goto out; 182 } 183 184 err = 0; 185 186out: 187 kfree_skb(skb); 188 return err; 189} 190 191static int qca_send_reset(struct hci_dev *hdev) 192{ 193 struct sk_buff *skb; 194 int err; 195 196 bt_dev_dbg(hdev, "QCA HCI_RESET"); 197 198 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); 199 if (IS_ERR(skb)) { 200 err = PTR_ERR(skb); 201 bt_dev_err(hdev, "QCA Reset failed (%d)", err); 202 return err; 203 } 204 205 kfree_skb(skb); 206 207 return 0; 208} 209 210static int qca_read_fw_board_id(struct hci_dev *hdev, u16 *bid) 211{ 212 u8 cmd; 213 struct sk_buff *skb; 214 struct edl_event_hdr *edl; 215 int err = 0; 216 217 cmd = EDL_GET_BID_REQ_CMD; 218 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN, 219 &cmd, 0, HCI_INIT_TIMEOUT); 220 if (IS_ERR(skb)) { 221 err = PTR_ERR(skb); 222 bt_dev_err(hdev, "Reading QCA board ID failed (%d)", err); 223 return err; 224 } 225 226 edl = skb_pull_data(skb, sizeof(*edl)); 227 if (!edl) { 228 bt_dev_err(hdev, "QCA read board ID with no header"); 229 err = -EILSEQ; 230 goto out; 231 } 232 233 if (edl->cresp != EDL_CMD_REQ_RES_EVT || 234 edl->rtype != EDL_GET_BID_REQ_CMD) { 235 bt_dev_err(hdev, "QCA Wrong packet: %d %d", edl->cresp, edl->rtype); 236 err = -EIO; 237 goto out; 238 } 239 240 *bid = (edl->data[1] << 8) + edl->data[2]; 241 bt_dev_dbg(hdev, "%s: bid = %x", __func__, *bid); 242 243out: 244 kfree_skb(skb); 245 return err; 246} 247 248int qca_send_pre_shutdown_cmd(struct hci_dev *hdev) 249{ 250 struct sk_buff *skb; 251 int err; 252 253 bt_dev_dbg(hdev, "QCA pre shutdown cmd"); 254 255 skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0, 256 NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); 257 258 if (IS_ERR(skb)) { 259 err = PTR_ERR(skb); 260 bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err); 261 return err; 262 } 263 264 kfree_skb(skb); 265 266 return 0; 267} 268EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd); 269 270static void qca_tlv_check_data(struct hci_dev *hdev, 271 struct qca_fw_config *config, 272 u8 *fw_data, enum qca_btsoc_type soc_type) 273{ 274 const u8 *data; 275 u32 type_len; 276 u16 tag_id, tag_len; 277 int idx, length; 278 struct tlv_type_hdr *tlv; 279 struct tlv_type_patch *tlv_patch; 280 struct tlv_type_nvm *tlv_nvm; 281 uint8_t nvm_baud_rate = config->user_baud_rate; 282 283 config->dnld_mode = QCA_SKIP_EVT_NONE; 284 config->dnld_type = QCA_SKIP_EVT_NONE; 285 286 switch (config->type) { 287 case ELF_TYPE_PATCH: 288 config->dnld_mode = QCA_SKIP_EVT_VSE_CC; 289 config->dnld_type = QCA_SKIP_EVT_VSE_CC; 290 291 bt_dev_dbg(hdev, "File Class : 0x%x", fw_data[4]); 292 bt_dev_dbg(hdev, "Data Encoding : 0x%x", fw_data[5]); 293 bt_dev_dbg(hdev, "File version : 0x%x", fw_data[6]); 294 break; 295 case TLV_TYPE_PATCH: 296 tlv = (struct tlv_type_hdr *)fw_data; 297 type_len = le32_to_cpu(tlv->type_len); 298 tlv_patch = (struct tlv_type_patch *)tlv->data; 299 300 /* For Rome version 1.1 to 3.1, all segment commands 301 * are acked by a vendor specific event (VSE). 302 * For Rome >= 3.2, the download mode field indicates 303 * if VSE is skipped by the controller. 304 * In case VSE is skipped, only the last segment is acked. 305 */ 306 config->dnld_mode = tlv_patch->download_mode; 307 config->dnld_type = config->dnld_mode; 308 309 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff); 310 BT_DBG("Total Length : %d bytes", 311 le32_to_cpu(tlv_patch->total_size)); 312 BT_DBG("Patch Data Length : %d bytes", 313 le32_to_cpu(tlv_patch->data_length)); 314 BT_DBG("Signing Format Version : 0x%x", 315 tlv_patch->format_version); 316 BT_DBG("Signature Algorithm : 0x%x", 317 tlv_patch->signature); 318 BT_DBG("Download mode : 0x%x", 319 tlv_patch->download_mode); 320 BT_DBG("Reserved : 0x%x", 321 tlv_patch->reserved1); 322 BT_DBG("Product ID : 0x%04x", 323 le16_to_cpu(tlv_patch->product_id)); 324 BT_DBG("Rom Build Version : 0x%04x", 325 le16_to_cpu(tlv_patch->rom_build)); 326 BT_DBG("Patch Version : 0x%04x", 327 le16_to_cpu(tlv_patch->patch_version)); 328 BT_DBG("Reserved : 0x%x", 329 le16_to_cpu(tlv_patch->reserved2)); 330 BT_DBG("Patch Entry Address : 0x%x", 331 le32_to_cpu(tlv_patch->entry)); 332 break; 333 334 case TLV_TYPE_NVM: 335 tlv = (struct tlv_type_hdr *)fw_data; 336 337 type_len = le32_to_cpu(tlv->type_len); 338 length = (type_len >> 8) & 0x00ffffff; 339 340 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff); 341 BT_DBG("Length\t\t : %d bytes", length); 342 343 idx = 0; 344 data = tlv->data; 345 while (idx < length) { 346 tlv_nvm = (struct tlv_type_nvm *)(data + idx); 347 348 tag_id = le16_to_cpu(tlv_nvm->tag_id); 349 tag_len = le16_to_cpu(tlv_nvm->tag_len); 350 351 /* Update NVM tags as needed */ 352 switch (tag_id) { 353 case EDL_TAG_ID_HCI: 354 /* HCI transport layer parameters 355 * enabling software inband sleep 356 * onto controller side. 357 */ 358 tlv_nvm->data[0] |= 0x80; 359 360 /* UART Baud Rate */ 361 if (soc_type >= QCA_WCN3991) 362 tlv_nvm->data[1] = nvm_baud_rate; 363 else 364 tlv_nvm->data[2] = nvm_baud_rate; 365 366 break; 367 368 case EDL_TAG_ID_DEEP_SLEEP: 369 /* Sleep enable mask 370 * enabling deep sleep feature on controller. 371 */ 372 tlv_nvm->data[0] |= 0x01; 373 374 break; 375 } 376 377 idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len); 378 } 379 break; 380 381 default: 382 BT_ERR("Unknown TLV type %d", config->type); 383 break; 384 } 385} 386 387static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size, 388 const u8 *data, enum qca_tlv_dnld_mode mode, 389 enum qca_btsoc_type soc_type) 390{ 391 struct sk_buff *skb; 392 struct edl_event_hdr *edl; 393 struct tlv_seg_resp *tlv_resp; 394 u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2]; 395 int err = 0; 396 u8 event_type = HCI_EV_VENDOR; 397 u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp)); 398 u8 rtype = EDL_TVL_DNLD_RES_EVT; 399 400 cmd[0] = EDL_PATCH_TLV_REQ_CMD; 401 cmd[1] = seg_size; 402 memcpy(cmd + 2, data, seg_size); 403 404 if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE) 405 return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, 406 cmd); 407 408 /* Unlike other SoC's sending version command response as payload to 409 * VSE event. WCN3991 sends version command response as a payload to 410 * command complete event. 411 */ 412 if (soc_type >= QCA_WCN3991) { 413 event_type = 0; 414 rlen = sizeof(*edl); 415 rtype = EDL_PATCH_TLV_REQ_CMD; 416 } 417 418 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd, 419 event_type, HCI_INIT_TIMEOUT); 420 if (IS_ERR(skb)) { 421 err = PTR_ERR(skb); 422 bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err); 423 return err; 424 } 425 426 if (skb->len != rlen) { 427 bt_dev_err(hdev, "QCA TLV response size mismatch"); 428 err = -EILSEQ; 429 goto out; 430 } 431 432 edl = (struct edl_event_hdr *)(skb->data); 433 if (!edl) { 434 bt_dev_err(hdev, "TLV with no header"); 435 err = -EILSEQ; 436 goto out; 437 } 438 439 if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) { 440 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x", 441 edl->cresp, edl->rtype); 442 err = -EIO; 443 } 444 445 if (soc_type >= QCA_WCN3991) 446 goto out; 447 448 tlv_resp = (struct tlv_seg_resp *)(edl->data); 449 if (tlv_resp->result) { 450 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)", 451 edl->cresp, edl->rtype, tlv_resp->result); 452 } 453 454out: 455 kfree_skb(skb); 456 457 return err; 458} 459 460static int qca_inject_cmd_complete_event(struct hci_dev *hdev) 461{ 462 struct hci_event_hdr *hdr; 463 struct hci_ev_cmd_complete *evt; 464 struct sk_buff *skb; 465 466 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); 467 if (!skb) 468 return -ENOMEM; 469 470 hdr = skb_put(skb, sizeof(*hdr)); 471 hdr->evt = HCI_EV_CMD_COMPLETE; 472 hdr->plen = sizeof(*evt) + 1; 473 474 evt = skb_put(skb, sizeof(*evt)); 475 evt->ncmd = 1; 476 evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE); 477 478 skb_put_u8(skb, QCA_HCI_CC_SUCCESS); 479 480 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 481 482 return hci_recv_frame(hdev, skb); 483} 484 485static int qca_download_firmware(struct hci_dev *hdev, 486 struct qca_fw_config *config, 487 enum qca_btsoc_type soc_type, 488 u8 rom_ver) 489{ 490 const struct firmware *fw; 491 u8 *data; 492 const u8 *segment; 493 int ret, size, remain, i = 0; 494 495 bt_dev_info(hdev, "QCA Downloading %s", config->fwname); 496 497 ret = request_firmware(&fw, config->fwname, &hdev->dev); 498 if (ret) { 499 /* For WCN6750, if mbn file is not present then check for 500 * tlv file. 501 */ 502 if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) { 503 bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)", 504 config->fwname, ret); 505 config->type = TLV_TYPE_PATCH; 506 snprintf(config->fwname, sizeof(config->fwname), 507 "qca/msbtfw%02x.tlv", rom_ver); 508 bt_dev_info(hdev, "QCA Downloading %s", config->fwname); 509 ret = request_firmware(&fw, config->fwname, &hdev->dev); 510 if (ret) { 511 bt_dev_err(hdev, "QCA Failed to request file: %s (%d)", 512 config->fwname, ret); 513 return ret; 514 } 515 } else { 516 bt_dev_err(hdev, "QCA Failed to request file: %s (%d)", 517 config->fwname, ret); 518 return ret; 519 } 520 } 521 522 size = fw->size; 523 data = vmalloc(fw->size); 524 if (!data) { 525 bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s", 526 config->fwname); 527 release_firmware(fw); 528 return -ENOMEM; 529 } 530 531 memcpy(data, fw->data, size); 532 release_firmware(fw); 533 534 qca_tlv_check_data(hdev, config, data, soc_type); 535 536 segment = data; 537 remain = size; 538 while (remain > 0) { 539 int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain); 540 541 bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize); 542 543 remain -= segsize; 544 /* The last segment is always acked regardless download mode */ 545 if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT) 546 config->dnld_mode = QCA_SKIP_EVT_NONE; 547 548 ret = qca_tlv_send_segment(hdev, segsize, segment, 549 config->dnld_mode, soc_type); 550 if (ret) 551 goto out; 552 553 segment += segsize; 554 } 555 556 /* Latest qualcomm chipsets are not sending a command complete event 557 * for every fw packet sent. They only respond with a vendor specific 558 * event for the last packet. This optimization in the chip will 559 * decrease the BT in initialization time. Here we will inject a command 560 * complete event to avoid a command timeout error message. 561 */ 562 if (config->dnld_type == QCA_SKIP_EVT_VSE_CC || 563 config->dnld_type == QCA_SKIP_EVT_VSE) 564 ret = qca_inject_cmd_complete_event(hdev); 565 566out: 567 vfree(data); 568 569 return ret; 570} 571 572static int qca_disable_soc_logging(struct hci_dev *hdev) 573{ 574 struct sk_buff *skb; 575 u8 cmd[2]; 576 int err; 577 578 cmd[0] = QCA_DISABLE_LOGGING_SUB_OP; 579 cmd[1] = 0x00; 580 skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd, 581 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); 582 if (IS_ERR(skb)) { 583 err = PTR_ERR(skb); 584 bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err); 585 return err; 586 } 587 588 kfree_skb(skb); 589 590 return 0; 591} 592 593int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr) 594{ 595 struct sk_buff *skb; 596 u8 cmd[9]; 597 int err; 598 599 cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD; 600 cmd[1] = 0x02; /* TAG ID */ 601 cmd[2] = sizeof(bdaddr_t); /* size */ 602 memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t)); 603 skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd, 604 HCI_EV_VENDOR, HCI_INIT_TIMEOUT); 605 if (IS_ERR(skb)) { 606 err = PTR_ERR(skb); 607 bt_dev_err(hdev, "QCA Change address command failed (%d)", err); 608 return err; 609 } 610 611 kfree_skb(skb); 612 613 return 0; 614} 615EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome); 616 617static int qca_check_bdaddr(struct hci_dev *hdev) 618{ 619 struct hci_rp_read_bd_addr *bda; 620 struct sk_buff *skb; 621 int err; 622 623 if (bacmp(&hdev->public_addr, BDADDR_ANY)) 624 return 0; 625 626 skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, 627 HCI_INIT_TIMEOUT); 628 if (IS_ERR(skb)) { 629 err = PTR_ERR(skb); 630 bt_dev_err(hdev, "Failed to read device address (%d)", err); 631 return err; 632 } 633 634 if (skb->len != sizeof(*bda)) { 635 bt_dev_err(hdev, "Device address length mismatch"); 636 kfree_skb(skb); 637 return -EIO; 638 } 639 640 bda = (struct hci_rp_read_bd_addr *)skb->data; 641 if (!bacmp(&bda->bdaddr, QCA_BDADDR_DEFAULT)) 642 set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks); 643 644 kfree_skb(skb); 645 646 return 0; 647} 648 649static void qca_generate_hsp_nvm_name(char *fwname, size_t max_size, 650 struct qca_btsoc_version ver, u8 rom_ver, u16 bid) 651{ 652 const char *variant; 653 654 /* hsp gf chip */ 655 if ((le32_to_cpu(ver.soc_id) & QCA_HSP_GF_SOC_MASK) == QCA_HSP_GF_SOC_ID) 656 variant = "g"; 657 else 658 variant = ""; 659 660 if (bid == 0x0) 661 snprintf(fwname, max_size, "qca/hpnv%02x%s.bin", rom_ver, variant); 662 else 663 snprintf(fwname, max_size, "qca/hpnv%02x%s.%x", rom_ver, variant, bid); 664} 665 666int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate, 667 enum qca_btsoc_type soc_type, struct qca_btsoc_version ver, 668 const char *firmware_name) 669{ 670 struct qca_fw_config config; 671 int err; 672 u8 rom_ver = 0; 673 u32 soc_ver; 674 u16 boardid = 0; 675 676 bt_dev_dbg(hdev, "QCA setup on UART"); 677 678 soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver); 679 680 bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver); 681 682 config.user_baud_rate = baudrate; 683 684 /* Firmware files to download are based on ROM version. 685 * ROM version is derived from last two bytes of soc_ver. 686 */ 687 if (soc_type == QCA_WCN3988) 688 rom_ver = ((soc_ver & 0x00000f00) >> 0x05) | (soc_ver & 0x0000000f); 689 else 690 rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f); 691 692 if (soc_type == QCA_WCN6750) 693 qca_send_patch_config_cmd(hdev); 694 695 /* Download rampatch file */ 696 config.type = TLV_TYPE_PATCH; 697 switch (soc_type) { 698 case QCA_WCN3990: 699 case QCA_WCN3991: 700 case QCA_WCN3998: 701 snprintf(config.fwname, sizeof(config.fwname), 702 "qca/crbtfw%02x.tlv", rom_ver); 703 break; 704 case QCA_WCN3988: 705 snprintf(config.fwname, sizeof(config.fwname), 706 "qca/apbtfw%02x.tlv", rom_ver); 707 break; 708 case QCA_QCA2066: 709 snprintf(config.fwname, sizeof(config.fwname), 710 "qca/hpbtfw%02x.tlv", rom_ver); 711 break; 712 case QCA_QCA6390: 713 snprintf(config.fwname, sizeof(config.fwname), 714 "qca/htbtfw%02x.tlv", rom_ver); 715 break; 716 case QCA_WCN6750: 717 /* Choose mbn file by default.If mbn file is not found 718 * then choose tlv file 719 */ 720 config.type = ELF_TYPE_PATCH; 721 snprintf(config.fwname, sizeof(config.fwname), 722 "qca/msbtfw%02x.mbn", rom_ver); 723 break; 724 case QCA_WCN6855: 725 snprintf(config.fwname, sizeof(config.fwname), 726 "qca/hpbtfw%02x.tlv", rom_ver); 727 break; 728 case QCA_WCN7850: 729 snprintf(config.fwname, sizeof(config.fwname), 730 "qca/hmtbtfw%02x.tlv", rom_ver); 731 break; 732 default: 733 snprintf(config.fwname, sizeof(config.fwname), 734 "qca/rampatch_%08x.bin", soc_ver); 735 } 736 737 err = qca_download_firmware(hdev, &config, soc_type, rom_ver); 738 if (err < 0) { 739 bt_dev_err(hdev, "QCA Failed to download patch (%d)", err); 740 return err; 741 } 742 743 /* Give the controller some time to get ready to receive the NVM */ 744 msleep(10); 745 746 if (soc_type == QCA_QCA2066) 747 qca_read_fw_board_id(hdev, &boardid); 748 749 /* Download NVM configuration */ 750 config.type = TLV_TYPE_NVM; 751 if (firmware_name) { 752 snprintf(config.fwname, sizeof(config.fwname), 753 "qca/%s", firmware_name); 754 } else { 755 switch (soc_type) { 756 case QCA_WCN3990: 757 case QCA_WCN3991: 758 case QCA_WCN3998: 759 if (le32_to_cpu(ver.soc_id) == QCA_WCN3991_SOC_ID) { 760 snprintf(config.fwname, sizeof(config.fwname), 761 "qca/crnv%02xu.bin", rom_ver); 762 } else { 763 snprintf(config.fwname, sizeof(config.fwname), 764 "qca/crnv%02x.bin", rom_ver); 765 } 766 break; 767 case QCA_WCN3988: 768 snprintf(config.fwname, sizeof(config.fwname), 769 "qca/apnv%02x.bin", rom_ver); 770 break; 771 case QCA_QCA2066: 772 qca_generate_hsp_nvm_name(config.fwname, 773 sizeof(config.fwname), ver, rom_ver, boardid); 774 break; 775 case QCA_QCA6390: 776 snprintf(config.fwname, sizeof(config.fwname), 777 "qca/htnv%02x.bin", rom_ver); 778 break; 779 case QCA_WCN6750: 780 snprintf(config.fwname, sizeof(config.fwname), 781 "qca/msnv%02x.bin", rom_ver); 782 break; 783 case QCA_WCN6855: 784 snprintf(config.fwname, sizeof(config.fwname), 785 "qca/hpnv%02x.bin", rom_ver); 786 break; 787 case QCA_WCN7850: 788 snprintf(config.fwname, sizeof(config.fwname), 789 "qca/hmtnv%02x.bin", rom_ver); 790 break; 791 792 default: 793 snprintf(config.fwname, sizeof(config.fwname), 794 "qca/nvm_%08x.bin", soc_ver); 795 } 796 } 797 798 err = qca_download_firmware(hdev, &config, soc_type, rom_ver); 799 if (err < 0) { 800 bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err); 801 return err; 802 } 803 804 switch (soc_type) { 805 case QCA_WCN3991: 806 case QCA_QCA2066: 807 case QCA_QCA6390: 808 case QCA_WCN6750: 809 case QCA_WCN6855: 810 case QCA_WCN7850: 811 err = qca_disable_soc_logging(hdev); 812 if (err < 0) 813 return err; 814 break; 815 default: 816 break; 817 } 818 819 /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the 820 * VsMsftOpCode. 821 */ 822 switch (soc_type) { 823 case QCA_WCN3988: 824 case QCA_WCN3990: 825 case QCA_WCN3991: 826 case QCA_WCN3998: 827 case QCA_WCN6750: 828 hci_set_msft_opcode(hdev, 0xFD70); 829 break; 830 default: 831 break; 832 } 833 834 /* Perform HCI reset */ 835 err = qca_send_reset(hdev); 836 if (err < 0) { 837 bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err); 838 return err; 839 } 840 841 switch (soc_type) { 842 case QCA_WCN3991: 843 case QCA_WCN6750: 844 case QCA_WCN6855: 845 case QCA_WCN7850: 846 /* get fw build info */ 847 err = qca_read_fw_build_info(hdev); 848 if (err < 0) 849 return err; 850 break; 851 default: 852 break; 853 } 854 855 err = qca_check_bdaddr(hdev); 856 if (err) 857 return err; 858 859 bt_dev_info(hdev, "QCA setup on UART is completed"); 860 861 return 0; 862} 863EXPORT_SYMBOL_GPL(qca_uart_setup); 864 865int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr) 866{ 867 bdaddr_t bdaddr_swapped; 868 struct sk_buff *skb; 869 int err; 870 871 baswap(&bdaddr_swapped, bdaddr); 872 873 skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, 874 &bdaddr_swapped, HCI_EV_VENDOR, 875 HCI_INIT_TIMEOUT); 876 if (IS_ERR(skb)) { 877 err = PTR_ERR(skb); 878 bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err); 879 return err; 880 } 881 882 kfree_skb(skb); 883 884 return 0; 885} 886EXPORT_SYMBOL_GPL(qca_set_bdaddr); 887 888 889MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>"); 890MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION); 891MODULE_VERSION(VERSION); 892MODULE_LICENSE("GPL"); 893