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
  10 #include <net/bluetooth/bluetooth.h>
  11 #include <net/bluetooth/hci_core.h>
  12
  13 #include "btqca.h"
  14
  15 #define VERSION "0.1"
  16
  17 int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
  18                          enum qca_btsoc_type soc_type)
  19 {
  20         struct sk_buff *skb;
  21         struct edl_event_hdr *edl;
  22         char cmd;
  23         int err = 0;
  24         u8 event_type = HCI_EV_VENDOR;
  25         u8 rlen = sizeof(*edl) + sizeof(*ver);
  26         u8 rtype = EDL_APP_VER_RES_EVT;
  27
  28         bt_dev_dbg(hdev, "QCA Version Request");
  29
  30         /* Unlike other SoC's sending version command response as payload to
  31          * VSE event. WCN3991 sends version command response as a payload to
  32          * command complete event.
  33          */
  34         if (soc_type >= QCA_WCN3991) {
  35                 event_type = 0;
  36                 rlen += 1;
  37                 rtype = EDL_PATCH_VER_REQ_CMD;
  38         }
  39
  40         cmd = EDL_PATCH_VER_REQ_CMD;
  41         skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
  42                                 &cmd, event_type, HCI_INIT_TIMEOUT);
  43         if (IS_ERR(skb)) {
  44                 err = PTR_ERR(skb);
  45                 bt_dev_err(hdev, "Reading QCA version information failed (%d)",
  46                            err);
  47                 return err;
  48         }
  49
  50         if (skb->len != rlen) {
  51                 bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
  52                 err = -EILSEQ;
  53                 goto out;
  54         }
  55
  56         edl = (struct edl_event_hdr *)(skb->data);
  57         if (!edl) {
  58                 bt_dev_err(hdev, "QCA TLV with no header");
  59                 err = -EILSEQ;
  60                 goto out;
  61         }
  62
  63         if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
  64             edl->rtype != rtype) {
  65                 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
  66                            edl->rtype);
  67                 err = -EIO;
  68                 goto out;
  69         }
  70
  71         if (soc_type >= QCA_WCN3991)
  72                 memcpy(ver, edl->data + 1, sizeof(*ver));
  73         else
  74                 memcpy(ver, &edl->data, sizeof(*ver));
  75
  76         bt_dev_info(hdev, "QCA Product ID   :0x%08x",
  77                     le32_to_cpu(ver->product_id));
  78         bt_dev_info(hdev, "QCA SOC Version  :0x%08x",
  79                     le32_to_cpu(ver->soc_id));
  80         bt_dev_info(hdev, "QCA ROM Version  :0x%08x",
  81                     le16_to_cpu(ver->rom_ver));
  82         bt_dev_info(hdev, "QCA Patch Version:0x%08x",
  83                     le16_to_cpu(ver->patch_ver));
  84
  85         if (ver->soc_id == 0 || ver->rom_ver == 0)
  86                 err = -EILSEQ;
  87
  88 out:
  89         kfree_skb(skb);
  90         if (err)
  91                 bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
  92
  93         return err;
  94 }
  95 EXPORT_SYMBOL_GPL(qca_read_soc_version);
  96
  97 static int qca_read_fw_build_info(struct hci_dev *hdev)
  98 {
  99         struct sk_buff *skb;
 100         struct edl_event_hdr *edl;
 101         char cmd, build_label[QCA_FW_BUILD_VER_LEN];
 102         int build_lbl_len, err = 0;
 103
 104         bt_dev_dbg(hdev, "QCA read fw build info");
 105
 106         cmd = EDL_GET_BUILD_INFO_CMD;
 107         skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
 108                                 &cmd, 0, HCI_INIT_TIMEOUT);
 109         if (IS_ERR(skb)) {
 110                 err = PTR_ERR(skb);
 111                 bt_dev_err(hdev, "Reading QCA fw build info failed (%d)",
 112                            err);
 113                 return err;
 114         }
 115
 116         edl = (struct edl_event_hdr *)(skb->data);
 117         if (!edl) {
 118                 bt_dev_err(hdev, "QCA read fw build info with no header");
 119                 err = -EILSEQ;
 120                 goto out;
 121         }
 122
 123         if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
 124             edl->rtype != EDL_GET_BUILD_INFO_CMD) {
 125                 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
 126                            edl->rtype);
 127                 err = -EIO;
 128                 goto out;
 129         }
 130
 131         build_lbl_len = edl->data[0];
 132         if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) {
 133                 memcpy(build_label, edl->data + 1, build_lbl_len);
 134                 *(build_label + build_lbl_len) = '\0';
 135         }
 136
 137         hci_set_fw_info(hdev, "%s", build_label);
 138
 139 out:
 140         kfree_skb(skb);
 141         return err;
 142 }
 143
 144 static int qca_send_reset(struct hci_dev *hdev)
 145 {
 146         struct sk_buff *skb;
 147         int err;
 148
 149         bt_dev_dbg(hdev, "QCA HCI_RESET");
 150
 151         skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
 152         if (IS_ERR(skb)) {
 153                 err = PTR_ERR(skb);
 154                 bt_dev_err(hdev, "QCA Reset failed (%d)", err);
 155                 return err;
 156         }
 157
 158         kfree_skb(skb);
 159
 160         return 0;
 161 }
 162
 163 int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
 164 {
 165         struct sk_buff *skb;
 166         int err;
 167
 168         bt_dev_dbg(hdev, "QCA pre shutdown cmd");
 169
 170         skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,
 171                                 NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
 172
 173         if (IS_ERR(skb)) {
 174                 err = PTR_ERR(skb);
 175                 bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);
 176                 return err;
 177         }
 178
 179         kfree_skb(skb);
 180
 181         return 0;
 182 }
 183 EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
 184
 185 static void qca_tlv_check_data(struct hci_dev *hdev,
 186                                struct qca_fw_config *config,
 187                 u8 *fw_data, enum qca_btsoc_type soc_type)
 188 {
 189         const u8 *data;
 190         u32 type_len;
 191         u16 tag_id, tag_len;
 192         int idx, length;
 193         struct tlv_type_hdr *tlv;
 194         struct tlv_type_patch *tlv_patch;
 195         struct tlv_type_nvm *tlv_nvm;
 196         uint8_t nvm_baud_rate = config->user_baud_rate;
 197
 198         config->dnld_mode = QCA_SKIP_EVT_NONE;
 199         config->dnld_type = QCA_SKIP_EVT_NONE;
 200
 201         switch (config->type) {
 202         case ELF_TYPE_PATCH:
 203                 config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
 204                 config->dnld_type = QCA_SKIP_EVT_VSE_CC;
 205
 206                 bt_dev_dbg(hdev, "File Class        : 0x%x", fw_data[4]);
 207                 bt_dev_dbg(hdev, "Data Encoding     : 0x%x", fw_data[5]);
 208                 bt_dev_dbg(hdev, "File version      : 0x%x", fw_data[6]);
 209                 break;
 210         case TLV_TYPE_PATCH:
 211                 tlv = (struct tlv_type_hdr *)fw_data;
 212                 type_len = le32_to_cpu(tlv->type_len);
 213                 tlv_patch = (struct tlv_type_patch *)tlv->data;
 214
 215                 /* For Rome version 1.1 to 3.1, all segment commands
 216                  * are acked by a vendor specific event (VSE).
 217                  * For Rome >= 3.2, the download mode field indicates
 218                  * if VSE is skipped by the controller.
 219                  * In case VSE is skipped, only the last segment is acked.
 220                  */
 221                 config->dnld_mode = tlv_patch->download_mode;
 222                 config->dnld_type = config->dnld_mode;
 223
 224                 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
 225                 BT_DBG("Total Length           : %d bytes",
 226                        le32_to_cpu(tlv_patch->total_size));
 227                 BT_DBG("Patch Data Length      : %d bytes",
 228                        le32_to_cpu(tlv_patch->data_length));
 229                 BT_DBG("Signing Format Version : 0x%x",
 230                        tlv_patch->format_version);
 231                 BT_DBG("Signature Algorithm    : 0x%x",
 232                        tlv_patch->signature);
 233                 BT_DBG("Download mode          : 0x%x",
 234                        tlv_patch->download_mode);
 235                 BT_DBG("Reserved               : 0x%x",
 236                        tlv_patch->reserved1);
 237                 BT_DBG("Product ID             : 0x%04x",
 238                        le16_to_cpu(tlv_patch->product_id));
 239                 BT_DBG("Rom Build Version      : 0x%04x",
 240                        le16_to_cpu(tlv_patch->rom_build));
 241                 BT_DBG("Patch Version          : 0x%04x",
 242                        le16_to_cpu(tlv_patch->patch_version));
 243                 BT_DBG("Reserved               : 0x%x",
 244                        le16_to_cpu(tlv_patch->reserved2));
 245                 BT_DBG("Patch Entry Address    : 0x%x",
 246                        le32_to_cpu(tlv_patch->entry));
 247                 break;
 248
 249         case TLV_TYPE_NVM:
 250                 tlv = (struct tlv_type_hdr *)fw_data;
 251
 252                 type_len = le32_to_cpu(tlv->type_len);
 253                 length = (type_len >> 8) & 0x00ffffff;
 254
 255                 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
 256                 BT_DBG("Length\t\t : %d bytes", length);
 257
 258                 idx = 0;
 259                 data = tlv->data;
 260                 while (idx < length) {
 261                         tlv_nvm = (struct tlv_type_nvm *)(data + idx);
 262
 263                         tag_id = le16_to_cpu(tlv_nvm->tag_id);
 264                         tag_len = le16_to_cpu(tlv_nvm->tag_len);
 265
 266                         /* Update NVM tags as needed */
 267                         switch (tag_id) {
 268                         case EDL_TAG_ID_HCI:
 269                                 /* HCI transport layer parameters
 270                                  * enabling software inband sleep
 271                                  * onto controller side.
 272                                  */
 273                                 tlv_nvm->data[0] |= 0x80;
 274
 275                                 /* UART Baud Rate */
 276                                 if (soc_type >= QCA_WCN3991)
 277                                         tlv_nvm->data[1] = nvm_baud_rate;
 278                                 else
 279                                         tlv_nvm->data[2] = nvm_baud_rate;
 280
 281                                 break;
 282
 283                         case EDL_TAG_ID_DEEP_SLEEP:
 284                                 /* Sleep enable mask
 285                                  * enabling deep sleep feature on controller.
 286                                  */
 287                                 tlv_nvm->data[0] |= 0x01;
 288
 289                                 break;
 290                         }
 291
 292                         idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
 293                 }
 294                 break;
 295
 296         default:
 297                 BT_ERR("Unknown TLV type %d", config->type);
 298                 break;
 299         }
 300 }
 301
 302 static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
 303                                 const u8 *data, enum qca_tlv_dnld_mode mode,
 304                                 enum qca_btsoc_type soc_type)
 305 {
 306         struct sk_buff *skb;
 307         struct edl_event_hdr *edl;
 308         struct tlv_seg_resp *tlv_resp;
 309         u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
 310         int err = 0;
 311         u8 event_type = HCI_EV_VENDOR;
 312         u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp));
 313         u8 rtype = EDL_TVL_DNLD_RES_EVT;
 314
 315         cmd[0] = EDL_PATCH_TLV_REQ_CMD;
 316         cmd[1] = seg_size;
 317         memcpy(cmd + 2, data, seg_size);
 318
 319         if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE)
 320                 return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
 321                                       cmd);
 322
 323         /* Unlike other SoC's sending version command response as payload to
 324          * VSE event. WCN3991 sends version command response as a payload to
 325          * command complete event.
 326          */
 327         if (soc_type >= QCA_WCN3991) {
 328                 event_type = 0;
 329                 rlen = sizeof(*edl);
 330                 rtype = EDL_PATCH_TLV_REQ_CMD;
 331         }
 332
 333         skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
 334                                 event_type, HCI_INIT_TIMEOUT);
 335         if (IS_ERR(skb)) {
 336                 err = PTR_ERR(skb);
 337                 bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
 338                 return err;
 339         }
 340
 341         if (skb->len != rlen) {
 342                 bt_dev_err(hdev, "QCA TLV response size mismatch");
 343                 err = -EILSEQ;
 344                 goto out;
 345         }
 346
 347         edl = (struct edl_event_hdr *)(skb->data);
 348         if (!edl) {
 349                 bt_dev_err(hdev, "TLV with no header");
 350                 err = -EILSEQ;
 351                 goto out;
 352         }
 353
 354         if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) {
 355                 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",
 356                            edl->cresp, edl->rtype);
 357                 err = -EIO;
 358         }
 359
 360         if (soc_type >= QCA_WCN3991)
 361                 goto out;
 362
 363         tlv_resp = (struct tlv_seg_resp *)(edl->data);
 364         if (tlv_resp->result) {
 365                 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
 366                            edl->cresp, edl->rtype, tlv_resp->result);
 367         }
 368
 369 out:
 370         kfree_skb(skb);
 371
 372         return err;
 373 }
 374
 375 static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
 376 {
 377         struct hci_event_hdr *hdr;
 378         struct hci_ev_cmd_complete *evt;
 379         struct sk_buff *skb;
 380
 381         skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
 382         if (!skb)
 383                 return -ENOMEM;
 384
 385         hdr = skb_put(skb, sizeof(*hdr));
 386         hdr->evt = HCI_EV_CMD_COMPLETE;
 387         hdr->plen = sizeof(*evt) + 1;
 388
 389         evt = skb_put(skb, sizeof(*evt));
 390         evt->ncmd = 1;
 391         evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);
 392
 393         skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
 394
 395         hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
 396
 397         return hci_recv_frame(hdev, skb);
 398 }
 399
 400 static int qca_download_firmware(struct hci_dev *hdev,
 401                                  struct qca_fw_config *config,
 402                                  enum qca_btsoc_type soc_type,
 403                                  u8 rom_ver)
 404 {
 405         const struct firmware *fw;
 406         u8 *data;
 407         const u8 *segment;
 408         int ret, size, remain, i = 0;
 409
 410         bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
 411
 412         ret = request_firmware(&fw, config->fwname, &hdev->dev);
 413         if (ret) {
 414                 /* For WCN6750, if mbn file is not present then check for
 415                  * tlv file.
 416                  */
 417                 if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) {
 418                         bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",
 419                                    config->fwname, ret);
 420                         config->type = TLV_TYPE_PATCH;
 421                         snprintf(config->fwname, sizeof(config->fwname),
 422                                  "qca/msbtfw%02x.tlv", rom_ver);
 423                         bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
 424                         ret = request_firmware(&fw, config->fwname, &hdev->dev);
 425                         if (ret) {
 426                                 bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
 427                                            config->fwname, ret);
 428                                 return ret;
 429                         }
 430                 } else {
 431                         bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
 432                                    config->fwname, ret);
 433                         return ret;
 434                 }
 435         }
 436
 437         size = fw->size;
 438         data = vmalloc(fw->size);
 439         if (!data) {
 440                 bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",
 441                            config->fwname);
 442                 release_firmware(fw);
 443                 return -ENOMEM;
 444         }
 445
 446         memcpy(data, fw->data, size);
 447         release_firmware(fw);
 448
 449         qca_tlv_check_data(hdev, config, data, soc_type);
 450
 451         segment = data;
 452         remain = size;
 453         while (remain > 0) {
 454                 int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
 455
 456                 bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);
 457
 458                 remain -= segsize;
 459                 /* The last segment is always acked regardless download mode */
 460                 if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
 461                         config->dnld_mode = QCA_SKIP_EVT_NONE;
 462
 463                 ret = qca_tlv_send_segment(hdev, segsize, segment,
 464                                            config->dnld_mode, soc_type);
 465                 if (ret)
 466                         goto out;
 467
 468                 segment += segsize;
 469         }
 470
 471         /* Latest qualcomm chipsets are not sending a command complete event
 472          * for every fw packet sent. They only respond with a vendor specific
 473          * event for the last packet. This optimization in the chip will
 474          * decrease the BT in initialization time. Here we will inject a command
 475          * complete event to avoid a command timeout error message.
 476          */
 477         if (config->dnld_type == QCA_SKIP_EVT_VSE_CC ||
 478             config->dnld_type == QCA_SKIP_EVT_VSE)
 479                 ret = qca_inject_cmd_complete_event(hdev);
 480
 481 out:
 482         vfree(data);
 483
 484         return ret;
 485 }
 486
 487 static int qca_disable_soc_logging(struct hci_dev *hdev)
 488 {
 489         struct sk_buff *skb;
 490         u8 cmd[2];
 491         int err;
 492
 493         cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;
 494         cmd[1] = 0x00;
 495         skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,
 496                                 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
 497         if (IS_ERR(skb)) {
 498                 err = PTR_ERR(skb);
 499                 bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);
 500                 return err;
 501         }
 502
 503         kfree_skb(skb);
 504
 505         return 0;
 506 }
 507
 508 int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 509 {
 510         struct sk_buff *skb;
 511         u8 cmd[9];
 512         int err;
 513
 514         cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
 515         cmd[1] = 0x02;                  /* TAG ID */
 516         cmd[2] = sizeof(bdaddr_t);      /* size */
 517         memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
 518         skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
 519                                 HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
 520         if (IS_ERR(skb)) {
 521                 err = PTR_ERR(skb);
 522                 bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
 523                 return err;
 524         }
 525
 526         kfree_skb(skb);
 527
 528         return 0;
 529 }
 530 EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
 531
 532 int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
 533                    enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
 534                    const char *firmware_name)
 535 {
 536         struct qca_fw_config config;
 537         int err;
 538         u8 rom_ver = 0;
 539         u32 soc_ver;
 540
 541         bt_dev_dbg(hdev, "QCA setup on UART");
 542
 543         soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);
 544
 545         bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
 546
 547         config.user_baud_rate = baudrate;
 548
 549         /* Firmware files to download are based on ROM version.
 550          * ROM version is derived from last two bytes of soc_ver.
 551          */
 552         rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);
 553
 554         /* Download rampatch file */
 555         config.type = TLV_TYPE_PATCH;
 556         if (qca_is_wcn399x(soc_type)) {
 557                 snprintf(config.fwname, sizeof(config.fwname),
 558                          "qca/crbtfw%02x.tlv", rom_ver);
 559         } else if (soc_type == QCA_QCA6390) {
 560                 snprintf(config.fwname, sizeof(config.fwname),
 561                          "qca/htbtfw%02x.tlv", rom_ver);
 562         } else if (soc_type == QCA_WCN6750) {
 563                 /* Choose mbn file by default.If mbn file is not found
 564                  * then choose tlv file
 565                  */
 566                 config.type = ELF_TYPE_PATCH;
 567                 snprintf(config.fwname, sizeof(config.fwname),
 568                          "qca/msbtfw%02x.mbn", rom_ver);
 569         } else {
 570                 snprintf(config.fwname, sizeof(config.fwname),
 571                          "qca/rampatch_%08x.bin", soc_ver);
 572         }
 573
 574         err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
 575         if (err < 0) {
 576                 bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
 577                 return err;
 578         }
 579
 580         /* Give the controller some time to get ready to receive the NVM */
 581         msleep(10);
 582
 583         /* Download NVM configuration */
 584         config.type = TLV_TYPE_NVM;
 585         if (firmware_name)
 586                 snprintf(config.fwname, sizeof(config.fwname),
 587                          "qca/%s", firmware_name);
 588         else if (qca_is_wcn399x(soc_type)) {
 589                 if (ver.soc_id == QCA_WCN3991_SOC_ID) {
 590                         snprintf(config.fwname, sizeof(config.fwname),
 591                                  "qca/crnv%02xu.bin", rom_ver);
 592                 } else {
 593                         snprintf(config.fwname, sizeof(config.fwname),
 594                                  "qca/crnv%02x.bin", rom_ver);
 595                 }
 596         }
 597         else if (soc_type == QCA_QCA6390)
 598                 snprintf(config.fwname, sizeof(config.fwname),
 599                          "qca/htnv%02x.bin", rom_ver);
 600         else if (soc_type == QCA_WCN6750)
 601                 snprintf(config.fwname, sizeof(config.fwname),
 602                          "qca/msnv%02x.bin", rom_ver);
 603         else
 604                 snprintf(config.fwname, sizeof(config.fwname),
 605                          "qca/nvm_%08x.bin", soc_ver);
 606
 607         err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
 608         if (err < 0) {
 609                 bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
 610                 return err;
 611         }
 612
 613         if (soc_type >= QCA_WCN3991) {
 614                 err = qca_disable_soc_logging(hdev);
 615                 if (err < 0)
 616                         return err;
 617         }
 618
 619         /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
 620          * VsMsftOpCode.
 621          */
 622         switch (soc_type) {
 623         case QCA_WCN3990:
 624         case QCA_WCN3991:
 625         case QCA_WCN3998:
 626         case QCA_WCN6750:
 627                 hci_set_msft_opcode(hdev, 0xFD70);
 628                 break;
 629         default:
 630                 break;
 631         }
 632
 633         /* Perform HCI reset */
 634         err = qca_send_reset(hdev);
 635         if (err < 0) {
 636                 bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
 637                 return err;
 638         }
 639
 640         if (soc_type == QCA_WCN3991 || soc_type == QCA_WCN6750) {
 641                 /* get fw build info */
 642                 err = qca_read_fw_build_info(hdev);
 643                 if (err < 0)
 644                         return err;
 645         }
 646
 647         bt_dev_info(hdev, "QCA setup on UART is completed");
 648
 649         return 0;
 650 }
 651 EXPORT_SYMBOL_GPL(qca_uart_setup);
 652
 653 int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
 654 {
 655         struct sk_buff *skb;
 656         int err;
 657
 658         skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
 659                                 HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
 660         if (IS_ERR(skb)) {
 661                 err = PTR_ERR(skb);
 662                 bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
 663                 return err;
 664         }
 665
 666         kfree_skb(skb);
 667
 668         return 0;
 669 }
 670 EXPORT_SYMBOL_GPL(qca_set_bdaddr);
 671
 672
 673 MODULE_AUTHOR("Ben Young Tae Kim <[email protected]>");
 674 MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
 675 MODULE_VERSION(VERSION);
 676 MODULE_LICENSE("GPL");