drivers/bluetooth/btqca.c

   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, HCI_EV_VENDOR, 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 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
 209 {
 210         struct sk_buff *skb;
 211         int err;
 212
 213         bt_dev_dbg(hdev, "QCA pre shutdown cmd");
 214
 215         skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,
 216                                 NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
 217
 218         if (IS_ERR(skb)) {
 219                 err = PTR_ERR(skb);
 220                 bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);
 221                 return err;
 222         }
 223
 224         kfree_skb(skb);
 225
 226         return 0;
 227 }
 228 EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
 229
 230 static void qca_tlv_check_data(struct hci_dev *hdev,
 231                                struct qca_fw_config *config,
 232                 u8 *fw_data, enum qca_btsoc_type soc_type)
 233 {
 234         const u8 *data;
 235         u32 type_len;
 236         u16 tag_id, tag_len;
 237         int idx, length;
 238         struct tlv_type_hdr *tlv;
 239         struct tlv_type_patch *tlv_patch;
 240         struct tlv_type_nvm *tlv_nvm;
 241         uint8_t nvm_baud_rate = config->user_baud_rate;
 242
 243         config->dnld_mode = QCA_SKIP_EVT_NONE;
 244         config->dnld_type = QCA_SKIP_EVT_NONE;
 245
 246         switch (config->type) {
 247         case ELF_TYPE_PATCH:
 248                 config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
 249                 config->dnld_type = QCA_SKIP_EVT_VSE_CC;
 250
 251                 bt_dev_dbg(hdev, "File Class        : 0x%x", fw_data[4]);
 252                 bt_dev_dbg(hdev, "Data Encoding     : 0x%x", fw_data[5]);
 253                 bt_dev_dbg(hdev, "File version      : 0x%x", fw_data[6]);
 254                 break;
 255         case TLV_TYPE_PATCH:
 256                 tlv = (struct tlv_type_hdr *)fw_data;
 257                 type_len = le32_to_cpu(tlv->type_len);
 258                 tlv_patch = (struct tlv_type_patch *)tlv->data;
 259
 260                 /* For Rome version 1.1 to 3.1, all segment commands
 261                  * are acked by a vendor specific event (VSE).
 262                  * For Rome >= 3.2, the download mode field indicates
 263                  * if VSE is skipped by the controller.
 264                  * In case VSE is skipped, only the last segment is acked.
 265                  */
 266                 config->dnld_mode = tlv_patch->download_mode;
 267                 config->dnld_type = config->dnld_mode;
 268
 269                 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
 270                 BT_DBG("Total Length           : %d bytes",
 271                        le32_to_cpu(tlv_patch->total_size));
 272                 BT_DBG("Patch Data Length      : %d bytes",
 273                        le32_to_cpu(tlv_patch->data_length));
 274                 BT_DBG("Signing Format Version : 0x%x",
 275                        tlv_patch->format_version);
 276                 BT_DBG("Signature Algorithm    : 0x%x",
 277                        tlv_patch->signature);
 278                 BT_DBG("Download mode          : 0x%x",
 279                        tlv_patch->download_mode);
 280                 BT_DBG("Reserved               : 0x%x",
 281                        tlv_patch->reserved1);
 282                 BT_DBG("Product ID             : 0x%04x",
 283                        le16_to_cpu(tlv_patch->product_id));
 284                 BT_DBG("Rom Build Version      : 0x%04x",
 285                        le16_to_cpu(tlv_patch->rom_build));
 286                 BT_DBG("Patch Version          : 0x%04x",
 287                        le16_to_cpu(tlv_patch->patch_version));
 288                 BT_DBG("Reserved               : 0x%x",
 289                        le16_to_cpu(tlv_patch->reserved2));
 290                 BT_DBG("Patch Entry Address    : 0x%x",
 291                        le32_to_cpu(tlv_patch->entry));
 292                 break;
 293
 294         case TLV_TYPE_NVM:
 295                 tlv = (struct tlv_type_hdr *)fw_data;
 296
 297                 type_len = le32_to_cpu(tlv->type_len);
 298                 length = (type_len >> 8) & 0x00ffffff;
 299
 300                 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
 301                 BT_DBG("Length\t\t : %d bytes", length);
 302
 303                 idx = 0;
 304                 data = tlv->data;
 305                 while (idx < length) {
 306                         tlv_nvm = (struct tlv_type_nvm *)(data + idx);
 307
 308                         tag_id = le16_to_cpu(tlv_nvm->tag_id);
 309                         tag_len = le16_to_cpu(tlv_nvm->tag_len);
 310
 311                         /* Update NVM tags as needed */
 312                         switch (tag_id) {
 313                         case EDL_TAG_ID_HCI:
 314                                 /* HCI transport layer parameters
 315                                  * enabling software inband sleep
 316                                  * onto controller side.
 317                                  */
 318                                 tlv_nvm->data[0] |= 0x80;
 319
 320                                 /* UART Baud Rate */
 321                                 if (soc_type >= QCA_WCN3991)
 322                                         tlv_nvm->data[1] = nvm_baud_rate;
 323                                 else
 324                                         tlv_nvm->data[2] = nvm_baud_rate;
 325
 326                                 break;
 327
 328                         case EDL_TAG_ID_DEEP_SLEEP:
 329                                 /* Sleep enable mask
 330                                  * enabling deep sleep feature on controller.
 331                                  */
 332                                 tlv_nvm->data[0] |= 0x01;
 333
 334                                 break;
 335                         }
 336
 337                         idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
 338                 }
 339                 break;
 340
 341         default:
 342                 BT_ERR("Unknown TLV type %d", config->type);
 343                 break;
 344         }
 345 }
 346
 347 static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
 348                                 const u8 *data, enum qca_tlv_dnld_mode mode,
 349                                 enum qca_btsoc_type soc_type)
 350 {
 351         struct sk_buff *skb;
 352         struct edl_event_hdr *edl;
 353         struct tlv_seg_resp *tlv_resp;
 354         u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
 355         int err = 0;
 356         u8 event_type = HCI_EV_VENDOR;
 357         u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp));
 358         u8 rtype = EDL_TVL_DNLD_RES_EVT;
 359
 360         cmd[0] = EDL_PATCH_TLV_REQ_CMD;
 361         cmd[1] = seg_size;
 362         memcpy(cmd + 2, data, seg_size);
 363
 364         if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE)
 365                 return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
 366                                       cmd);
 367
 368         /* Unlike other SoC's sending version command response as payload to
 369          * VSE event. WCN3991 sends version command response as a payload to
 370          * command complete event.
 371          */
 372         if (soc_type >= QCA_WCN3991) {
 373                 event_type = 0;
 374                 rlen = sizeof(*edl);
 375                 rtype = EDL_PATCH_TLV_REQ_CMD;
 376         }
 377
 378         skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
 379                                 event_type, HCI_INIT_TIMEOUT);
 380         if (IS_ERR(skb)) {
 381                 err = PTR_ERR(skb);
 382                 bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
 383                 return err;
 384         }
 385
 386         if (skb->len != rlen) {
 387                 bt_dev_err(hdev, "QCA TLV response size mismatch");
 388                 err = -EILSEQ;
 389                 goto out;
 390         }
 391
 392         edl = (struct edl_event_hdr *)(skb->data);
 393         if (!edl) {
 394                 bt_dev_err(hdev, "TLV with no header");
 395                 err = -EILSEQ;
 396                 goto out;
 397         }
 398
 399         if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) {
 400                 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",
 401                            edl->cresp, edl->rtype);
 402                 err = -EIO;
 403         }
 404
 405         if (soc_type >= QCA_WCN3991)
 406                 goto out;
 407
 408         tlv_resp = (struct tlv_seg_resp *)(edl->data);
 409         if (tlv_resp->result) {
 410                 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
 411                            edl->cresp, edl->rtype, tlv_resp->result);
 412         }
 413
 414 out:
 415         kfree_skb(skb);
 416
 417         return err;
 418 }
 419
 420 static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
 421 {
 422         struct hci_event_hdr *hdr;
 423         struct hci_ev_cmd_complete *evt;
 424         struct sk_buff *skb;
 425
 426         skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
 427         if (!skb)
 428                 return -ENOMEM;
 429
 430         hdr = skb_put(skb, sizeof(*hdr));
 431         hdr->evt = HCI_EV_CMD_COMPLETE;
 432         hdr->plen = sizeof(*evt) + 1;
 433
 434         evt = skb_put(skb, sizeof(*evt));
 435         evt->ncmd = 1;
 436         evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);
 437
 438         skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
 439
 440         hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
 441
 442         return hci_recv_frame(hdev, skb);
 443 }
 444
 445 static int qca_download_firmware(struct hci_dev *hdev,
 446                                  struct qca_fw_config *config,
 447                                  enum qca_btsoc_type soc_type,
 448                                  u8 rom_ver)
 449 {
 450         const struct firmware *fw;
 451         u8 *data;
 452         const u8 *segment;
 453         int ret, size, remain, i = 0;
 454
 455         bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
 456
 457         ret = request_firmware(&fw, config->fwname, &hdev->dev);
 458         if (ret) {
 459                 /* For WCN6750, if mbn file is not present then check for
 460                  * tlv file.
 461                  */
 462                 if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) {
 463                         bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",
 464                                    config->fwname, ret);
 465                         config->type = TLV_TYPE_PATCH;
 466                         snprintf(config->fwname, sizeof(config->fwname),
 467                                  "qca/msbtfw%02x.tlv", rom_ver);
 468                         bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
 469                         ret = request_firmware(&fw, config->fwname, &hdev->dev);
 470                         if (ret) {
 471                                 bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
 472                                            config->fwname, ret);
 473                                 return ret;
 474                         }
 475                 } else {
 476                         bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
 477                                    config->fwname, ret);
 478                         return ret;
 479                 }
 480         }
 481
 482         size = fw->size;
 483         data = vmalloc(fw->size);
 484         if (!data) {
 485                 bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",
 486                            config->fwname);
 487                 release_firmware(fw);
 488                 return -ENOMEM;
 489         }
 490
 491         memcpy(data, fw->data, size);
 492         release_firmware(fw);
 493
 494         qca_tlv_check_data(hdev, config, data, soc_type);
 495
 496         segment = data;
 497         remain = size;
 498         while (remain > 0) {
 499                 int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
 500
 501                 bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);
 502
 503                 remain -= segsize;
 504                 /* The last segment is always acked regardless download mode */
 505                 if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
 506                         config->dnld_mode = QCA_SKIP_EVT_NONE;
 507
 508                 ret = qca_tlv_send_segment(hdev, segsize, segment,
 509                                            config->dnld_mode, soc_type);
 510                 if (ret)
 511                         goto out;
 512
 513                 segment += segsize;
 514         }
 515
 516         /* Latest qualcomm chipsets are not sending a command complete event
 517          * for every fw packet sent. They only respond with a vendor specific
 518          * event for the last packet. This optimization in the chip will
 519          * decrease the BT in initialization time. Here we will inject a command
 520          * complete event to avoid a command timeout error message.
 521          */
 522         if (config->dnld_type == QCA_SKIP_EVT_VSE_CC ||
 523             config->dnld_type == QCA_SKIP_EVT_VSE)
 524                 ret = qca_inject_cmd_complete_event(hdev);
 525
 526 out:
 527         vfree(data);
 528
 529         return ret;
 530 }
 531
 532 static int qca_disable_soc_logging(struct hci_dev *hdev)
 533 {
 534         struct sk_buff *skb;
 535         u8 cmd[2];
 536         int err;
 537
 538         cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;
 539         cmd[1] = 0x00;
 540         skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,
 541                                 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
 542         if (IS_ERR(skb)) {
 543                 err = PTR_ERR(skb);
 544                 bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);
 545                 return err;
 546         }
 547
 548         kfree_skb(skb);
 549
 550         return 0;
 551 }
 552
 553 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 554 {
 555         struct sk_buff *skb;
 556         u8 cmd[9];
 557         int err;
 558
 559         cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
 560         cmd[1] = 0x02;                  /* TAG ID */
 561         cmd[2] = sizeof(bdaddr_t);      /* size */
 562         memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
 563         skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
 564                                 HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
 565         if (IS_ERR(skb)) {
 566                 err = PTR_ERR(skb);
 567                 bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
 568                 return err;
 569         }
 570
 571         kfree_skb(skb);
 572
 573         return 0;
 574 }
 575 EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
 576
 577 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 578                    enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
 579                    const char *firmware_name)
 580 {
 581         struct qca_fw_config config;
 582         int err;
 583         u8 rom_ver = 0;
 584         u32 soc_ver;
 585
 586         bt_dev_dbg(hdev, "QCA setup on UART");
 587
 588         soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);
 589
 590         bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
 591
 592         config.user_baud_rate = baudrate;
 593
 594         /* Firmware files to download are based on ROM version.
 595          * ROM version is derived from last two bytes of soc_ver.
 596          */
 597         rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);
 598
 599         if (soc_type == QCA_WCN6750)
 600                 qca_send_patch_config_cmd(hdev);
 601
 602         /* Download rampatch file */
 603         config.type = TLV_TYPE_PATCH;
 604         if (qca_is_wcn399x(soc_type)) {
 605                 snprintf(config.fwname, sizeof(config.fwname),
 606                          "qca/crbtfw%02x.tlv", rom_ver);
 607         } else if (soc_type == QCA_QCA6390) {
 608                 snprintf(config.fwname, sizeof(config.fwname),
 609                          "qca/htbtfw%02x.tlv", rom_ver);
 610         } else if (soc_type == QCA_WCN6750) {
 611                 /* Choose mbn file by default.If mbn file is not found
 612                  * then choose tlv file
 613                  */
 614                 config.type = ELF_TYPE_PATCH;
 615                 snprintf(config.fwname, sizeof(config.fwname),
 616                          "qca/msbtfw%02x.mbn", rom_ver);
 617         } else {
 618                 snprintf(config.fwname, sizeof(config.fwname),
 619                          "qca/rampatch_%08x.bin", soc_ver);
 620         }
 621
 622         err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
 623         if (err < 0) {
 624                 bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
 625                 return err;
 626         }
 627
 628         /* Give the controller some time to get ready to receive the NVM */
 629         msleep(10);
 630
 631         /* Download NVM configuration */
 632         config.type = TLV_TYPE_NVM;
 633         if (firmware_name)
 634                 snprintf(config.fwname, sizeof(config.fwname),
 635                          "qca/%s", firmware_name);
 636         else if (qca_is_wcn399x(soc_type)) {
 637                 if (ver.soc_id == QCA_WCN3991_SOC_ID) {
 638                         snprintf(config.fwname, sizeof(config.fwname),
 639                                  "qca/crnv%02xu.bin", rom_ver);
 640                 } else {
 641                         snprintf(config.fwname, sizeof(config.fwname),
 642                                  "qca/crnv%02x.bin", rom_ver);
 643                 }
 644         }
 645         else if (soc_type == QCA_QCA6390)
 646                 snprintf(config.fwname, sizeof(config.fwname),
 647                          "qca/htnv%02x.bin", rom_ver);
 648         else if (soc_type == QCA_WCN6750)
 649                 snprintf(config.fwname, sizeof(config.fwname),
 650                          "qca/msnv%02x.bin", rom_ver);
 651         else
 652                 snprintf(config.fwname, sizeof(config.fwname),
 653                          "qca/nvm_%08x.bin", soc_ver);
 654
 655         err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
 656         if (err < 0) {
 657                 bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
 658                 return err;
 659         }
 660
 661         if (soc_type >= QCA_WCN3991) {
 662                 err = qca_disable_soc_logging(hdev);
 663                 if (err < 0)
 664                         return err;
 665         }
 666
 667         /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
 668          * VsMsftOpCode.
 669          */
 670         switch (soc_type) {
 671         case QCA_WCN3990:
 672         case QCA_WCN3991:
 673         case QCA_WCN3998:
 674         case QCA_WCN6750:
 675                 hci_set_msft_opcode(hdev, 0xFD70);
 676                 break;
 677         default:
 678                 break;
 679         }
 680
 681         /* Perform HCI reset */
 682         err = qca_send_reset(hdev);
 683         if (err < 0) {
 684                 bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
 685                 return err;
 686         }
 687
 688         if (soc_type == QCA_WCN3991 || soc_type == QCA_WCN6750) {
 689                 /* get fw build info */
 690                 err = qca_read_fw_build_info(hdev);
 691                 if (err < 0)
 692                         return err;
 693         }
 694
 695         bt_dev_info(hdev, "QCA setup on UART is completed");
 696
 697         return 0;
 698 }
 699 EXPORT_SYMBOL_GPL(qca_uart_setup);
 700
 701 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 702 {
 703         struct sk_buff *skb;
 704         int err;
 705
 706         skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
 707                                 HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
 708         if (IS_ERR(skb)) {
 709                 err = PTR_ERR(skb);
 710                 bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
 711                 return err;
 712         }
 713
 714         kfree_skb(skb);
 715
 716         return 0;
 717 }
 718 EXPORT_SYMBOL_GPL(qca_set_bdaddr);
 719
 720
 721 MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
 722 MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
 723 MODULE_VERSION(VERSION);
 724 MODULE_LICENSE("GPL");