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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Bluetooth supports for Qualcomm Atheros chips4 *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 16int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,17 enum qca_btsoc_type soc_type)18{19 struct sk_buff *skb;20 struct edl_event_hdr *edl;21 char cmd;22 int err = 0;23 u8 event_type = HCI_EV_VENDOR;24 u8 rlen = sizeof(*edl) + sizeof(*ver);25 u8 rtype = EDL_APP_VER_RES_EVT;26 27 bt_dev_dbg(hdev, "QCA Version Request");28 29 /* Unlike other SoC's sending version command response as payload to30 * VSE event. WCN3991 sends version command response as a payload to31 * command complete event.32 */33 if (soc_type >= QCA_WCN3991) {34 event_type = 0;35 rlen += 1;36 rtype = EDL_PATCH_VER_REQ_CMD;37 }38 39 cmd = EDL_PATCH_VER_REQ_CMD;40 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,41 &cmd, event_type, HCI_INIT_TIMEOUT);42 if (IS_ERR(skb)) {43 err = PTR_ERR(skb);44 bt_dev_err(hdev, "Reading QCA version information failed (%d)",45 err);46 return err;47 }48 49 if (skb->len != rlen) {50 bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);51 err = -EILSEQ;52 goto out;53 }54 55 edl = (struct edl_event_hdr *)(skb->data);56 57 if (edl->cresp != EDL_CMD_REQ_RES_EVT ||58 edl->rtype != rtype) {59 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,60 edl->rtype);61 err = -EIO;62 goto out;63 }64 65 if (soc_type >= QCA_WCN3991)66 memcpy(ver, edl->data + 1, sizeof(*ver));67 else68 memcpy(ver, &edl->data, sizeof(*ver));69 70 bt_dev_info(hdev, "QCA Product ID :0x%08x",71 le32_to_cpu(ver->product_id));72 bt_dev_info(hdev, "QCA SOC Version :0x%08x",73 le32_to_cpu(ver->soc_id));74 bt_dev_info(hdev, "QCA ROM Version :0x%08x",75 le16_to_cpu(ver->rom_ver));76 bt_dev_info(hdev, "QCA Patch Version:0x%08x",77 le16_to_cpu(ver->patch_ver));78 79 if (ver->soc_id == 0 || ver->rom_ver == 0)80 err = -EILSEQ;81 82out:83 kfree_skb(skb);84 if (err)85 bt_dev_err(hdev, "QCA Failed to get version (%d)", err);86 87 return err;88}89EXPORT_SYMBOL_GPL(qca_read_soc_version);90 91static int qca_read_fw_build_info(struct hci_dev *hdev)92{93 struct sk_buff *skb;94 struct edl_event_hdr *edl;95 char *build_label;96 char cmd;97 int build_lbl_len, err = 0;98 99 bt_dev_dbg(hdev, "QCA read fw build info");100 101 cmd = EDL_GET_BUILD_INFO_CMD;102 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,103 &cmd, 0, HCI_INIT_TIMEOUT);104 if (IS_ERR(skb)) {105 err = PTR_ERR(skb);106 bt_dev_err(hdev, "Reading QCA fw build info failed (%d)",107 err);108 return err;109 }110 111 if (skb->len < sizeof(*edl)) {112 err = -EILSEQ;113 goto out;114 }115 116 edl = (struct edl_event_hdr *)(skb->data);117 118 if (edl->cresp != EDL_CMD_REQ_RES_EVT ||119 edl->rtype != EDL_GET_BUILD_INFO_CMD) {120 bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,121 edl->rtype);122 err = -EIO;123 goto out;124 }125 126 if (skb->len < sizeof(*edl) + 1) {127 err = -EILSEQ;128 goto out;129 }130 131 build_lbl_len = edl->data[0];132 133 if (skb->len < sizeof(*edl) + 1 + build_lbl_len) {134 err = -EILSEQ;135 goto out;136 }137 138 build_label = kstrndup(&edl->data[1], build_lbl_len, GFP_KERNEL);139 if (!build_label) {140 err = -ENOMEM;141 goto out;142 }143 144 hci_set_fw_info(hdev, "%s", build_label);145 146 kfree(build_label);147out:148 kfree_skb(skb);149 return err;150}151 152static int qca_send_patch_config_cmd(struct hci_dev *hdev)153{154 const u8 cmd[] = { EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0 };155 struct sk_buff *skb;156 struct edl_event_hdr *edl;157 int err;158 159 bt_dev_dbg(hdev, "QCA Patch config");160 161 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd),162 cmd, 0, HCI_INIT_TIMEOUT);163 if (IS_ERR(skb)) {164 err = PTR_ERR(skb);165 bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err);166 return err;167 }168 169 if (skb->len != 2) {170 bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len);171 err = -EILSEQ;172 goto out;173 }174 175 edl = (struct edl_event_hdr *)(skb->data);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 if (skb->len < 3) {241 err = -EILSEQ;242 goto out;243 }244 245 *bid = (edl->data[1] << 8) + edl->data[2];246 bt_dev_dbg(hdev, "%s: bid = %x", __func__, *bid);247 248out:249 kfree_skb(skb);250 return err;251}252 253int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)254{255 struct sk_buff *skb;256 int err;257 258 bt_dev_dbg(hdev, "QCA pre shutdown cmd");259 260 skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,261 NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);262 263 if (IS_ERR(skb)) {264 err = PTR_ERR(skb);265 bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);266 return err;267 }268 269 kfree_skb(skb);270 271 return 0;272}273EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);274 275static int qca_tlv_check_data(struct hci_dev *hdev,276 struct qca_fw_config *config,277 u8 *fw_data, size_t fw_size,278 enum qca_btsoc_type soc_type)279{280 const u8 *data;281 u32 type_len;282 u16 tag_id, tag_len;283 int idx, length;284 struct tlv_type_hdr *tlv;285 struct tlv_type_patch *tlv_patch;286 struct tlv_type_nvm *tlv_nvm;287 uint8_t nvm_baud_rate = config->user_baud_rate;288 u8 type;289 290 config->dnld_mode = QCA_SKIP_EVT_NONE;291 config->dnld_type = QCA_SKIP_EVT_NONE;292 293 switch (config->type) {294 case ELF_TYPE_PATCH:295 if (fw_size < 7)296 return -EINVAL;297 298 config->dnld_mode = QCA_SKIP_EVT_VSE_CC;299 config->dnld_type = QCA_SKIP_EVT_VSE_CC;300 301 bt_dev_dbg(hdev, "File Class : 0x%x", fw_data[4]);302 bt_dev_dbg(hdev, "Data Encoding : 0x%x", fw_data[5]);303 bt_dev_dbg(hdev, "File version : 0x%x", fw_data[6]);304 break;305 case TLV_TYPE_PATCH:306 if (fw_size < sizeof(struct tlv_type_hdr) + sizeof(struct tlv_type_patch))307 return -EINVAL;308 309 tlv = (struct tlv_type_hdr *)fw_data;310 type_len = le32_to_cpu(tlv->type_len);311 tlv_patch = (struct tlv_type_patch *)tlv->data;312 313 /* For Rome version 1.1 to 3.1, all segment commands314 * are acked by a vendor specific event (VSE).315 * For Rome >= 3.2, the download mode field indicates316 * if VSE is skipped by the controller.317 * In case VSE is skipped, only the last segment is acked.318 */319 config->dnld_mode = tlv_patch->download_mode;320 config->dnld_type = config->dnld_mode;321 322 BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);323 BT_DBG("Total Length : %d bytes",324 le32_to_cpu(tlv_patch->total_size));325 BT_DBG("Patch Data Length : %d bytes",326 le32_to_cpu(tlv_patch->data_length));327 BT_DBG("Signing Format Version : 0x%x",328 tlv_patch->format_version);329 BT_DBG("Signature Algorithm : 0x%x",330 tlv_patch->signature);331 BT_DBG("Download mode : 0x%x",332 tlv_patch->download_mode);333 BT_DBG("Reserved : 0x%x",334 tlv_patch->reserved1);335 BT_DBG("Product ID : 0x%04x",336 le16_to_cpu(tlv_patch->product_id));337 BT_DBG("Rom Build Version : 0x%04x",338 le16_to_cpu(tlv_patch->rom_build));339 BT_DBG("Patch Version : 0x%04x",340 le16_to_cpu(tlv_patch->patch_version));341 BT_DBG("Reserved : 0x%x",342 le16_to_cpu(tlv_patch->reserved2));343 BT_DBG("Patch Entry Address : 0x%x",344 le32_to_cpu(tlv_patch->entry));345 break;346 347 case TLV_TYPE_NVM:348 if (fw_size < sizeof(struct tlv_type_hdr))349 return -EINVAL;350 351 tlv = (struct tlv_type_hdr *)fw_data;352 353 type_len = le32_to_cpu(tlv->type_len);354 length = type_len >> 8;355 type = type_len & 0xff;356 357 /* Some NVM files have more than one set of tags, only parse358 * the first set when it has type 2 for now. When there is359 * more than one set there is an enclosing header of type 4.360 */361 if (type == 4) {362 if (fw_size < 2 * sizeof(struct tlv_type_hdr))363 return -EINVAL;364 365 tlv++;366 367 type_len = le32_to_cpu(tlv->type_len);368 length = type_len >> 8;369 type = type_len & 0xff;370 }371 372 BT_DBG("TLV Type\t\t : 0x%x", type);373 BT_DBG("Length\t\t : %d bytes", length);374 375 if (type != 2)376 break;377 378 if (fw_size < length + (tlv->data - fw_data))379 return -EINVAL;380 381 idx = 0;382 data = tlv->data;383 while (idx < length - sizeof(struct tlv_type_nvm)) {384 tlv_nvm = (struct tlv_type_nvm *)(data + idx);385 386 tag_id = le16_to_cpu(tlv_nvm->tag_id);387 tag_len = le16_to_cpu(tlv_nvm->tag_len);388 389 if (length < idx + sizeof(struct tlv_type_nvm) + tag_len)390 return -EINVAL;391 392 /* Update NVM tags as needed */393 switch (tag_id) {394 case EDL_TAG_ID_BD_ADDR:395 if (tag_len != sizeof(bdaddr_t))396 return -EINVAL;397 398 memcpy(&config->bdaddr, tlv_nvm->data, sizeof(bdaddr_t));399 400 break;401 402 case EDL_TAG_ID_HCI:403 if (tag_len < 3)404 return -EINVAL;405 406 /* HCI transport layer parameters407 * enabling software inband sleep408 * onto controller side.409 */410 tlv_nvm->data[0] |= 0x80;411 412 /* UART Baud Rate */413 if (soc_type >= QCA_WCN3991)414 tlv_nvm->data[1] = nvm_baud_rate;415 else416 tlv_nvm->data[2] = nvm_baud_rate;417 418 break;419 420 case EDL_TAG_ID_DEEP_SLEEP:421 if (tag_len < 1)422 return -EINVAL;423 424 /* Sleep enable mask425 * enabling deep sleep feature on controller.426 */427 tlv_nvm->data[0] |= 0x01;428 429 break;430 }431 432 idx += sizeof(struct tlv_type_nvm) + tag_len;433 }434 break;435 436 default:437 BT_ERR("Unknown TLV type %d", config->type);438 return -EINVAL;439 }440 441 return 0;442}443 444static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,445 const u8 *data, enum qca_tlv_dnld_mode mode,446 enum qca_btsoc_type soc_type)447{448 struct sk_buff *skb;449 struct edl_event_hdr *edl;450 struct tlv_seg_resp *tlv_resp;451 u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];452 int err = 0;453 u8 event_type = HCI_EV_VENDOR;454 u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp));455 u8 rtype = EDL_TVL_DNLD_RES_EVT;456 457 cmd[0] = EDL_PATCH_TLV_REQ_CMD;458 cmd[1] = seg_size;459 memcpy(cmd + 2, data, seg_size);460 461 if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE)462 return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,463 cmd);464 465 /* Unlike other SoC's sending version command response as payload to466 * VSE event. WCN3991 sends version command response as a payload to467 * command complete event.468 */469 if (soc_type >= QCA_WCN3991) {470 event_type = 0;471 rlen = sizeof(*edl);472 rtype = EDL_PATCH_TLV_REQ_CMD;473 }474 475 skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,476 event_type, HCI_INIT_TIMEOUT);477 if (IS_ERR(skb)) {478 err = PTR_ERR(skb);479 bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);480 return err;481 }482 483 if (skb->len != rlen) {484 bt_dev_err(hdev, "QCA TLV response size mismatch");485 err = -EILSEQ;486 goto out;487 }488 489 edl = (struct edl_event_hdr *)(skb->data);490 491 if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) {492 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",493 edl->cresp, edl->rtype);494 err = -EIO;495 }496 497 if (soc_type >= QCA_WCN3991)498 goto out;499 500 tlv_resp = (struct tlv_seg_resp *)(edl->data);501 if (tlv_resp->result) {502 bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",503 edl->cresp, edl->rtype, tlv_resp->result);504 }505 506out:507 kfree_skb(skb);508 509 return err;510}511 512static int qca_inject_cmd_complete_event(struct hci_dev *hdev)513{514 struct hci_event_hdr *hdr;515 struct hci_ev_cmd_complete *evt;516 struct sk_buff *skb;517 518 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);519 if (!skb)520 return -ENOMEM;521 522 hdr = skb_put(skb, sizeof(*hdr));523 hdr->evt = HCI_EV_CMD_COMPLETE;524 hdr->plen = sizeof(*evt) + 1;525 526 evt = skb_put(skb, sizeof(*evt));527 evt->ncmd = 1;528 evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);529 530 skb_put_u8(skb, QCA_HCI_CC_SUCCESS);531 532 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;533 534 return hci_recv_frame(hdev, skb);535}536 537static int qca_download_firmware(struct hci_dev *hdev,538 struct qca_fw_config *config,539 enum qca_btsoc_type soc_type,540 u8 rom_ver)541{542 const struct firmware *fw;543 u8 *data;544 const u8 *segment;545 int ret, size, remain, i = 0;546 547 bt_dev_info(hdev, "QCA Downloading %s", config->fwname);548 549 ret = request_firmware(&fw, config->fwname, &hdev->dev);550 if (ret) {551 /* For WCN6750, if mbn file is not present then check for552 * tlv file.553 */554 if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) {555 bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",556 config->fwname, ret);557 config->type = TLV_TYPE_PATCH;558 snprintf(config->fwname, sizeof(config->fwname),559 "qca/msbtfw%02x.tlv", rom_ver);560 bt_dev_info(hdev, "QCA Downloading %s", config->fwname);561 ret = request_firmware(&fw, config->fwname, &hdev->dev);562 if (ret) {563 bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",564 config->fwname, ret);565 return ret;566 }567 } else {568 bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",569 config->fwname, ret);570 return ret;571 }572 }573 574 size = fw->size;575 data = vmalloc(fw->size);576 if (!data) {577 bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",578 config->fwname);579 release_firmware(fw);580 return -ENOMEM;581 }582 583 memcpy(data, fw->data, size);584 release_firmware(fw);585 586 ret = qca_tlv_check_data(hdev, config, data, size, soc_type);587 if (ret)588 goto out;589 590 segment = data;591 remain = size;592 while (remain > 0) {593 int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);594 595 bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);596 597 remain -= segsize;598 /* The last segment is always acked regardless download mode */599 if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)600 config->dnld_mode = QCA_SKIP_EVT_NONE;601 602 ret = qca_tlv_send_segment(hdev, segsize, segment,603 config->dnld_mode, soc_type);604 if (ret)605 goto out;606 607 segment += segsize;608 }609 610 /* Latest qualcomm chipsets are not sending a command complete event611 * for every fw packet sent. They only respond with a vendor specific612 * event for the last packet. This optimization in the chip will613 * decrease the BT in initialization time. Here we will inject a command614 * complete event to avoid a command timeout error message.615 */616 if (config->dnld_type == QCA_SKIP_EVT_VSE_CC ||617 config->dnld_type == QCA_SKIP_EVT_VSE)618 ret = qca_inject_cmd_complete_event(hdev);619 620out:621 vfree(data);622 623 return ret;624}625 626static int qca_disable_soc_logging(struct hci_dev *hdev)627{628 struct sk_buff *skb;629 u8 cmd[2];630 int err;631 632 cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;633 cmd[1] = 0x00;634 skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,635 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);636 if (IS_ERR(skb)) {637 err = PTR_ERR(skb);638 bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);639 return err;640 }641 642 kfree_skb(skb);643 644 return 0;645}646 647int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)648{649 struct sk_buff *skb;650 u8 cmd[9];651 int err;652 653 cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;654 cmd[1] = 0x02; /* TAG ID */655 cmd[2] = sizeof(bdaddr_t); /* size */656 memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));657 skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,658 HCI_EV_VENDOR, HCI_INIT_TIMEOUT);659 if (IS_ERR(skb)) {660 err = PTR_ERR(skb);661 bt_dev_err(hdev, "QCA Change address command failed (%d)", err);662 return err;663 }664 665 kfree_skb(skb);666 667 return 0;668}669EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);670 671static int qca_check_bdaddr(struct hci_dev *hdev, const struct qca_fw_config *config)672{673 struct hci_rp_read_bd_addr *bda;674 struct sk_buff *skb;675 int err;676 677 if (bacmp(&hdev->public_addr, BDADDR_ANY))678 return 0;679 680 skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,681 HCI_INIT_TIMEOUT);682 if (IS_ERR(skb)) {683 err = PTR_ERR(skb);684 bt_dev_err(hdev, "Failed to read device address (%d)", err);685 return err;686 }687 688 if (skb->len != sizeof(*bda)) {689 bt_dev_err(hdev, "Device address length mismatch");690 kfree_skb(skb);691 return -EIO;692 }693 694 bda = (struct hci_rp_read_bd_addr *)skb->data;695 if (!bacmp(&bda->bdaddr, &config->bdaddr))696 set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);697 698 kfree_skb(skb);699 700 return 0;701}702 703static void qca_generate_hsp_nvm_name(char *fwname, size_t max_size,704 struct qca_btsoc_version ver, u8 rom_ver, u16 bid)705{706 const char *variant;707 708 /* hsp gf chip */709 if ((le32_to_cpu(ver.soc_id) & QCA_HSP_GF_SOC_MASK) == QCA_HSP_GF_SOC_ID)710 variant = "g";711 else712 variant = "";713 714 if (bid == 0x0)715 snprintf(fwname, max_size, "qca/hpnv%02x%s.bin", rom_ver, variant);716 else717 snprintf(fwname, max_size, "qca/hpnv%02x%s.%x", rom_ver, variant, bid);718}719 720static inline void qca_get_nvm_name_generic(struct qca_fw_config *cfg,721 const char *stem, u8 rom_ver, u16 bid)722{723 if (bid == 0x0)724 snprintf(cfg->fwname, sizeof(cfg->fwname), "qca/%snv%02x.bin", stem, rom_ver);725 else if (bid & 0xff00)726 snprintf(cfg->fwname, sizeof(cfg->fwname),727 "qca/%snv%02x.b%x", stem, rom_ver, bid);728 else729 snprintf(cfg->fwname, sizeof(cfg->fwname),730 "qca/%snv%02x.b%02x", stem, rom_ver, bid);731}732 733int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,734 enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,735 const char *firmware_name)736{737 struct qca_fw_config config = {};738 int err;739 u8 rom_ver = 0;740 u32 soc_ver;741 u16 boardid = 0;742 743 bt_dev_dbg(hdev, "QCA setup on UART");744 745 soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);746 747 bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);748 749 config.user_baud_rate = baudrate;750 751 /* Firmware files to download are based on ROM version.752 * ROM version is derived from last two bytes of soc_ver.753 */754 if (soc_type == QCA_WCN3988)755 rom_ver = ((soc_ver & 0x00000f00) >> 0x05) | (soc_ver & 0x0000000f);756 else757 rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);758 759 if (soc_type == QCA_WCN6750)760 qca_send_patch_config_cmd(hdev);761 762 /* Download rampatch file */763 config.type = TLV_TYPE_PATCH;764 switch (soc_type) {765 case QCA_WCN3990:766 case QCA_WCN3991:767 case QCA_WCN3998:768 snprintf(config.fwname, sizeof(config.fwname),769 "qca/crbtfw%02x.tlv", rom_ver);770 break;771 case QCA_WCN3988:772 snprintf(config.fwname, sizeof(config.fwname),773 "qca/apbtfw%02x.tlv", rom_ver);774 break;775 case QCA_QCA2066:776 snprintf(config.fwname, sizeof(config.fwname),777 "qca/hpbtfw%02x.tlv", rom_ver);778 break;779 case QCA_QCA6390:780 snprintf(config.fwname, sizeof(config.fwname),781 "qca/htbtfw%02x.tlv", rom_ver);782 break;783 case QCA_WCN6750:784 /* Choose mbn file by default.If mbn file is not found785 * then choose tlv file786 */787 config.type = ELF_TYPE_PATCH;788 snprintf(config.fwname, sizeof(config.fwname),789 "qca/msbtfw%02x.mbn", rom_ver);790 break;791 case QCA_WCN6855:792 snprintf(config.fwname, sizeof(config.fwname),793 "qca/hpbtfw%02x.tlv", rom_ver);794 break;795 case QCA_WCN7850:796 snprintf(config.fwname, sizeof(config.fwname),797 "qca/hmtbtfw%02x.tlv", rom_ver);798 break;799 default:800 snprintf(config.fwname, sizeof(config.fwname),801 "qca/rampatch_%08x.bin", soc_ver);802 }803 804 err = qca_download_firmware(hdev, &config, soc_type, rom_ver);805 if (err < 0) {806 bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);807 return err;808 }809 810 /* Give the controller some time to get ready to receive the NVM */811 msleep(10);812 813 if (soc_type == QCA_QCA2066 || soc_type == QCA_WCN7850)814 qca_read_fw_board_id(hdev, &boardid);815 816 /* Download NVM configuration */817 config.type = TLV_TYPE_NVM;818 if (firmware_name) {819 snprintf(config.fwname, sizeof(config.fwname),820 "qca/%s", firmware_name);821 } else {822 switch (soc_type) {823 case QCA_WCN3990:824 case QCA_WCN3991:825 case QCA_WCN3998:826 if (le32_to_cpu(ver.soc_id) == QCA_WCN3991_SOC_ID) {827 snprintf(config.fwname, sizeof(config.fwname),828 "qca/crnv%02xu.bin", rom_ver);829 } else {830 snprintf(config.fwname, sizeof(config.fwname),831 "qca/crnv%02x.bin", rom_ver);832 }833 break;834 case QCA_WCN3988:835 snprintf(config.fwname, sizeof(config.fwname),836 "qca/apnv%02x.bin", rom_ver);837 break;838 case QCA_QCA2066:839 qca_generate_hsp_nvm_name(config.fwname,840 sizeof(config.fwname), ver, rom_ver, boardid);841 break;842 case QCA_QCA6390:843 snprintf(config.fwname, sizeof(config.fwname),844 "qca/htnv%02x.bin", rom_ver);845 break;846 case QCA_WCN6750:847 snprintf(config.fwname, sizeof(config.fwname),848 "qca/msnv%02x.bin", rom_ver);849 break;850 case QCA_WCN6855:851 snprintf(config.fwname, sizeof(config.fwname),852 "qca/hpnv%02x.bin", rom_ver);853 break;854 case QCA_WCN7850:855 qca_get_nvm_name_generic(&config, "hmt", rom_ver, boardid);856 break;857 858 default:859 snprintf(config.fwname, sizeof(config.fwname),860 "qca/nvm_%08x.bin", soc_ver);861 }862 }863 864 err = qca_download_firmware(hdev, &config, soc_type, rom_ver);865 if (err < 0) {866 bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);867 return err;868 }869 870 switch (soc_type) {871 case QCA_WCN3991:872 case QCA_QCA2066:873 case QCA_QCA6390:874 case QCA_WCN6750:875 case QCA_WCN6855:876 case QCA_WCN7850:877 err = qca_disable_soc_logging(hdev);878 if (err < 0)879 return err;880 break;881 default:882 break;883 }884 885 /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the886 * VsMsftOpCode.887 */888 switch (soc_type) {889 case QCA_WCN3988:890 case QCA_WCN3990:891 case QCA_WCN3991:892 case QCA_WCN3998:893 case QCA_WCN6750:894 hci_set_msft_opcode(hdev, 0xFD70);895 break;896 default:897 break;898 }899 900 /* Perform HCI reset */901 err = qca_send_reset(hdev);902 if (err < 0) {903 bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);904 return err;905 }906 907 switch (soc_type) {908 case QCA_WCN3991:909 case QCA_WCN6750:910 case QCA_WCN6855:911 case QCA_WCN7850:912 /* get fw build info */913 err = qca_read_fw_build_info(hdev);914 if (err < 0)915 return err;916 break;917 default:918 break;919 }920 921 err = qca_check_bdaddr(hdev, &config);922 if (err)923 return err;924 925 bt_dev_info(hdev, "QCA setup on UART is completed");926 927 return 0;928}929EXPORT_SYMBOL_GPL(qca_uart_setup);930 931int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)932{933 bdaddr_t bdaddr_swapped;934 struct sk_buff *skb;935 int err;936 937 baswap(&bdaddr_swapped, bdaddr);938 939 skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6,940 &bdaddr_swapped, HCI_EV_VENDOR,941 HCI_INIT_TIMEOUT);942 if (IS_ERR(skb)) {943 err = PTR_ERR(skb);944 bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);945 return err;946 }947 948 kfree_skb(skb);949 950 return 0;951}952EXPORT_SYMBOL_GPL(qca_set_bdaddr);953 954 955MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");956MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family");957MODULE_LICENSE("GPL");958