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 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         struct sk_buff *skb;
 830         int err;
 831
 832         skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
 833                                 HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
 834         if (IS_ERR(skb)) {
 835                 err = PTR_ERR(skb);
 836                 bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
 837                 return err;
 838         }
 839
 840         kfree_skb(skb);
 841
 842         return 0;
 843 }
 844 EXPORT_SYMBOL_GPL(qca_set_bdaddr);
 845
 846
 847 MODULE_AUTHOR("Ben Young Tae Kim <[email protected]>");
 848 MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
 849 MODULE_VERSION(VERSION);
 850 MODULE_LICENSE("GPL");