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path: root/drivers/bluetooth/btqca.c
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Diffstat (limited to 'drivers/bluetooth/btqca.c')
-rw-r--r--drivers/bluetooth/btqca.c782
1 files changed, 782 insertions, 0 deletions
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
new file mode 100644
index 0000000000..5a35ac4138
--- /dev/null
+++ b/drivers/bluetooth/btqca.c
@@ -0,0 +1,782 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Bluetooth supports for Qualcomm Atheros chips
+ *
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ */
+#include <linux/module.h>
+#include <linux/firmware.h>
+#include <linux/vmalloc.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#include "btqca.h"
+
+#define VERSION "0.1"
+
+int qca_read_soc_version(struct hci_dev *hdev, struct qca_btsoc_version *ver,
+ enum qca_btsoc_type soc_type)
+{
+ struct sk_buff *skb;
+ struct edl_event_hdr *edl;
+ char cmd;
+ int err = 0;
+ u8 event_type = HCI_EV_VENDOR;
+ u8 rlen = sizeof(*edl) + sizeof(*ver);
+ u8 rtype = EDL_APP_VER_RES_EVT;
+
+ bt_dev_dbg(hdev, "QCA Version Request");
+
+ /* Unlike other SoC's sending version command response as payload to
+ * VSE event. WCN3991 sends version command response as a payload to
+ * command complete event.
+ */
+ if (soc_type >= QCA_WCN3991) {
+ event_type = 0;
+ rlen += 1;
+ rtype = EDL_PATCH_VER_REQ_CMD;
+ }
+
+ cmd = EDL_PATCH_VER_REQ_CMD;
+ skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
+ &cmd, event_type, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Reading QCA version information failed (%d)",
+ err);
+ return err;
+ }
+
+ if (skb->len != rlen) {
+ bt_dev_err(hdev, "QCA Version size mismatch len %d", skb->len);
+ err = -EILSEQ;
+ goto out;
+ }
+
+ edl = (struct edl_event_hdr *)(skb->data);
+ if (!edl) {
+ bt_dev_err(hdev, "QCA TLV with no header");
+ err = -EILSEQ;
+ goto out;
+ }
+
+ if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
+ edl->rtype != rtype) {
+ bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
+ edl->rtype);
+ err = -EIO;
+ goto out;
+ }
+
+ if (soc_type >= QCA_WCN3991)
+ memcpy(ver, edl->data + 1, sizeof(*ver));
+ else
+ memcpy(ver, &edl->data, sizeof(*ver));
+
+ bt_dev_info(hdev, "QCA Product ID :0x%08x",
+ le32_to_cpu(ver->product_id));
+ bt_dev_info(hdev, "QCA SOC Version :0x%08x",
+ le32_to_cpu(ver->soc_id));
+ bt_dev_info(hdev, "QCA ROM Version :0x%08x",
+ le16_to_cpu(ver->rom_ver));
+ bt_dev_info(hdev, "QCA Patch Version:0x%08x",
+ le16_to_cpu(ver->patch_ver));
+
+ if (ver->soc_id == 0 || ver->rom_ver == 0)
+ err = -EILSEQ;
+
+out:
+ kfree_skb(skb);
+ if (err)
+ bt_dev_err(hdev, "QCA Failed to get version (%d)", err);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(qca_read_soc_version);
+
+static int qca_read_fw_build_info(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ struct edl_event_hdr *edl;
+ char cmd, build_label[QCA_FW_BUILD_VER_LEN];
+ int build_lbl_len, err = 0;
+
+ bt_dev_dbg(hdev, "QCA read fw build info");
+
+ cmd = EDL_GET_BUILD_INFO_CMD;
+ skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, EDL_PATCH_CMD_LEN,
+ &cmd, 0, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Reading QCA fw build info failed (%d)",
+ err);
+ return err;
+ }
+
+ edl = (struct edl_event_hdr *)(skb->data);
+ if (!edl) {
+ bt_dev_err(hdev, "QCA read fw build info with no header");
+ err = -EILSEQ;
+ goto out;
+ }
+
+ if (edl->cresp != EDL_CMD_REQ_RES_EVT ||
+ edl->rtype != EDL_GET_BUILD_INFO_CMD) {
+ bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
+ edl->rtype);
+ err = -EIO;
+ goto out;
+ }
+
+ build_lbl_len = edl->data[0];
+ if (build_lbl_len <= QCA_FW_BUILD_VER_LEN - 1) {
+ memcpy(build_label, edl->data + 1, build_lbl_len);
+ *(build_label + build_lbl_len) = '\0';
+ }
+
+ hci_set_fw_info(hdev, "%s", build_label);
+
+out:
+ kfree_skb(skb);
+ return err;
+}
+
+static int qca_send_patch_config_cmd(struct hci_dev *hdev)
+{
+ const u8 cmd[] = { EDL_PATCH_CONFIG_CMD, 0x01, 0, 0, 0 };
+ struct sk_buff *skb;
+ struct edl_event_hdr *edl;
+ int err;
+
+ bt_dev_dbg(hdev, "QCA Patch config");
+
+ skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, sizeof(cmd),
+ cmd, HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "Sending QCA Patch config failed (%d)", err);
+ return err;
+ }
+
+ if (skb->len != 2) {
+ bt_dev_err(hdev, "QCA Patch config cmd size mismatch len %d", skb->len);
+ err = -EILSEQ;
+ goto out;
+ }
+
+ edl = (struct edl_event_hdr *)(skb->data);
+ if (!edl) {
+ bt_dev_err(hdev, "QCA Patch config with no header");
+ err = -EILSEQ;
+ goto out;
+ }
+
+ if (edl->cresp != EDL_PATCH_CONFIG_RES_EVT || edl->rtype != EDL_PATCH_CONFIG_CMD) {
+ bt_dev_err(hdev, "QCA Wrong packet received %d %d", edl->cresp,
+ edl->rtype);
+ err = -EIO;
+ goto out;
+ }
+
+ err = 0;
+
+out:
+ kfree_skb(skb);
+ return err;
+}
+
+static int qca_send_reset(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int err;
+
+ bt_dev_dbg(hdev, "QCA HCI_RESET");
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA Reset failed (%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+
+int qca_send_pre_shutdown_cmd(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ int err;
+
+ bt_dev_dbg(hdev, "QCA pre shutdown cmd");
+
+ skb = __hci_cmd_sync_ev(hdev, QCA_PRE_SHUTDOWN_CMD, 0,
+ NULL, HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA preshutdown_cmd failed (%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qca_send_pre_shutdown_cmd);
+
+static void qca_tlv_check_data(struct hci_dev *hdev,
+ struct qca_fw_config *config,
+ u8 *fw_data, enum qca_btsoc_type soc_type)
+{
+ const u8 *data;
+ u32 type_len;
+ u16 tag_id, tag_len;
+ int idx, length;
+ struct tlv_type_hdr *tlv;
+ struct tlv_type_patch *tlv_patch;
+ struct tlv_type_nvm *tlv_nvm;
+ uint8_t nvm_baud_rate = config->user_baud_rate;
+
+ config->dnld_mode = QCA_SKIP_EVT_NONE;
+ config->dnld_type = QCA_SKIP_EVT_NONE;
+
+ switch (config->type) {
+ case ELF_TYPE_PATCH:
+ config->dnld_mode = QCA_SKIP_EVT_VSE_CC;
+ config->dnld_type = QCA_SKIP_EVT_VSE_CC;
+
+ bt_dev_dbg(hdev, "File Class : 0x%x", fw_data[4]);
+ bt_dev_dbg(hdev, "Data Encoding : 0x%x", fw_data[5]);
+ bt_dev_dbg(hdev, "File version : 0x%x", fw_data[6]);
+ break;
+ case TLV_TYPE_PATCH:
+ tlv = (struct tlv_type_hdr *)fw_data;
+ type_len = le32_to_cpu(tlv->type_len);
+ tlv_patch = (struct tlv_type_patch *)tlv->data;
+
+ /* For Rome version 1.1 to 3.1, all segment commands
+ * are acked by a vendor specific event (VSE).
+ * For Rome >= 3.2, the download mode field indicates
+ * if VSE is skipped by the controller.
+ * In case VSE is skipped, only the last segment is acked.
+ */
+ config->dnld_mode = tlv_patch->download_mode;
+ config->dnld_type = config->dnld_mode;
+
+ BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
+ BT_DBG("Total Length : %d bytes",
+ le32_to_cpu(tlv_patch->total_size));
+ BT_DBG("Patch Data Length : %d bytes",
+ le32_to_cpu(tlv_patch->data_length));
+ BT_DBG("Signing Format Version : 0x%x",
+ tlv_patch->format_version);
+ BT_DBG("Signature Algorithm : 0x%x",
+ tlv_patch->signature);
+ BT_DBG("Download mode : 0x%x",
+ tlv_patch->download_mode);
+ BT_DBG("Reserved : 0x%x",
+ tlv_patch->reserved1);
+ BT_DBG("Product ID : 0x%04x",
+ le16_to_cpu(tlv_patch->product_id));
+ BT_DBG("Rom Build Version : 0x%04x",
+ le16_to_cpu(tlv_patch->rom_build));
+ BT_DBG("Patch Version : 0x%04x",
+ le16_to_cpu(tlv_patch->patch_version));
+ BT_DBG("Reserved : 0x%x",
+ le16_to_cpu(tlv_patch->reserved2));
+ BT_DBG("Patch Entry Address : 0x%x",
+ le32_to_cpu(tlv_patch->entry));
+ break;
+
+ case TLV_TYPE_NVM:
+ tlv = (struct tlv_type_hdr *)fw_data;
+
+ type_len = le32_to_cpu(tlv->type_len);
+ length = (type_len >> 8) & 0x00ffffff;
+
+ BT_DBG("TLV Type\t\t : 0x%x", type_len & 0x000000ff);
+ BT_DBG("Length\t\t : %d bytes", length);
+
+ idx = 0;
+ data = tlv->data;
+ while (idx < length) {
+ tlv_nvm = (struct tlv_type_nvm *)(data + idx);
+
+ tag_id = le16_to_cpu(tlv_nvm->tag_id);
+ tag_len = le16_to_cpu(tlv_nvm->tag_len);
+
+ /* Update NVM tags as needed */
+ switch (tag_id) {
+ case EDL_TAG_ID_HCI:
+ /* HCI transport layer parameters
+ * enabling software inband sleep
+ * onto controller side.
+ */
+ tlv_nvm->data[0] |= 0x80;
+
+ /* UART Baud Rate */
+ if (soc_type >= QCA_WCN3991)
+ tlv_nvm->data[1] = nvm_baud_rate;
+ else
+ tlv_nvm->data[2] = nvm_baud_rate;
+
+ break;
+
+ case EDL_TAG_ID_DEEP_SLEEP:
+ /* Sleep enable mask
+ * enabling deep sleep feature on controller.
+ */
+ tlv_nvm->data[0] |= 0x01;
+
+ break;
+ }
+
+ idx += (sizeof(u16) + sizeof(u16) + 8 + tag_len);
+ }
+ break;
+
+ default:
+ BT_ERR("Unknown TLV type %d", config->type);
+ break;
+ }
+}
+
+static int qca_tlv_send_segment(struct hci_dev *hdev, int seg_size,
+ const u8 *data, enum qca_tlv_dnld_mode mode,
+ enum qca_btsoc_type soc_type)
+{
+ struct sk_buff *skb;
+ struct edl_event_hdr *edl;
+ struct tlv_seg_resp *tlv_resp;
+ u8 cmd[MAX_SIZE_PER_TLV_SEGMENT + 2];
+ int err = 0;
+ u8 event_type = HCI_EV_VENDOR;
+ u8 rlen = (sizeof(*edl) + sizeof(*tlv_resp));
+ u8 rtype = EDL_TVL_DNLD_RES_EVT;
+
+ cmd[0] = EDL_PATCH_TLV_REQ_CMD;
+ cmd[1] = seg_size;
+ memcpy(cmd + 2, data, seg_size);
+
+ if (mode == QCA_SKIP_EVT_VSE_CC || mode == QCA_SKIP_EVT_VSE)
+ return __hci_cmd_send(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2,
+ cmd);
+
+ /* Unlike other SoC's sending version command response as payload to
+ * VSE event. WCN3991 sends version command response as a payload to
+ * command complete event.
+ */
+ if (soc_type >= QCA_WCN3991) {
+ event_type = 0;
+ rlen = sizeof(*edl);
+ rtype = EDL_PATCH_TLV_REQ_CMD;
+ }
+
+ skb = __hci_cmd_sync_ev(hdev, EDL_PATCH_CMD_OPCODE, seg_size + 2, cmd,
+ event_type, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA Failed to send TLV segment (%d)", err);
+ return err;
+ }
+
+ if (skb->len != rlen) {
+ bt_dev_err(hdev, "QCA TLV response size mismatch");
+ err = -EILSEQ;
+ goto out;
+ }
+
+ edl = (struct edl_event_hdr *)(skb->data);
+ if (!edl) {
+ bt_dev_err(hdev, "TLV with no header");
+ err = -EILSEQ;
+ goto out;
+ }
+
+ if (edl->cresp != EDL_CMD_REQ_RES_EVT || edl->rtype != rtype) {
+ bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x",
+ edl->cresp, edl->rtype);
+ err = -EIO;
+ }
+
+ if (soc_type >= QCA_WCN3991)
+ goto out;
+
+ tlv_resp = (struct tlv_seg_resp *)(edl->data);
+ if (tlv_resp->result) {
+ bt_dev_err(hdev, "QCA TLV with error stat 0x%x rtype 0x%x (0x%x)",
+ edl->cresp, edl->rtype, tlv_resp->result);
+ }
+
+out:
+ kfree_skb(skb);
+
+ return err;
+}
+
+static int qca_inject_cmd_complete_event(struct hci_dev *hdev)
+{
+ struct hci_event_hdr *hdr;
+ struct hci_ev_cmd_complete *evt;
+ struct sk_buff *skb;
+
+ skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ hdr = skb_put(skb, sizeof(*hdr));
+ hdr->evt = HCI_EV_CMD_COMPLETE;
+ hdr->plen = sizeof(*evt) + 1;
+
+ evt = skb_put(skb, sizeof(*evt));
+ evt->ncmd = 1;
+ evt->opcode = cpu_to_le16(QCA_HCI_CC_OPCODE);
+
+ skb_put_u8(skb, QCA_HCI_CC_SUCCESS);
+
+ hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
+
+ return hci_recv_frame(hdev, skb);
+}
+
+static int qca_download_firmware(struct hci_dev *hdev,
+ struct qca_fw_config *config,
+ enum qca_btsoc_type soc_type,
+ u8 rom_ver)
+{
+ const struct firmware *fw;
+ u8 *data;
+ const u8 *segment;
+ int ret, size, remain, i = 0;
+
+ bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
+
+ ret = request_firmware(&fw, config->fwname, &hdev->dev);
+ if (ret) {
+ /* For WCN6750, if mbn file is not present then check for
+ * tlv file.
+ */
+ if (soc_type == QCA_WCN6750 && config->type == ELF_TYPE_PATCH) {
+ bt_dev_dbg(hdev, "QCA Failed to request file: %s (%d)",
+ config->fwname, ret);
+ config->type = TLV_TYPE_PATCH;
+ snprintf(config->fwname, sizeof(config->fwname),
+ "qca/msbtfw%02x.tlv", rom_ver);
+ bt_dev_info(hdev, "QCA Downloading %s", config->fwname);
+ ret = request_firmware(&fw, config->fwname, &hdev->dev);
+ if (ret) {
+ bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
+ config->fwname, ret);
+ return ret;
+ }
+ } else {
+ bt_dev_err(hdev, "QCA Failed to request file: %s (%d)",
+ config->fwname, ret);
+ return ret;
+ }
+ }
+
+ size = fw->size;
+ data = vmalloc(fw->size);
+ if (!data) {
+ bt_dev_err(hdev, "QCA Failed to allocate memory for file: %s",
+ config->fwname);
+ release_firmware(fw);
+ return -ENOMEM;
+ }
+
+ memcpy(data, fw->data, size);
+ release_firmware(fw);
+
+ qca_tlv_check_data(hdev, config, data, soc_type);
+
+ segment = data;
+ remain = size;
+ while (remain > 0) {
+ int segsize = min(MAX_SIZE_PER_TLV_SEGMENT, remain);
+
+ bt_dev_dbg(hdev, "Send segment %d, size %d", i++, segsize);
+
+ remain -= segsize;
+ /* The last segment is always acked regardless download mode */
+ if (!remain || segsize < MAX_SIZE_PER_TLV_SEGMENT)
+ config->dnld_mode = QCA_SKIP_EVT_NONE;
+
+ ret = qca_tlv_send_segment(hdev, segsize, segment,
+ config->dnld_mode, soc_type);
+ if (ret)
+ goto out;
+
+ segment += segsize;
+ }
+
+ /* Latest qualcomm chipsets are not sending a command complete event
+ * for every fw packet sent. They only respond with a vendor specific
+ * event for the last packet. This optimization in the chip will
+ * decrease the BT in initialization time. Here we will inject a command
+ * complete event to avoid a command timeout error message.
+ */
+ if (config->dnld_type == QCA_SKIP_EVT_VSE_CC ||
+ config->dnld_type == QCA_SKIP_EVT_VSE)
+ ret = qca_inject_cmd_complete_event(hdev);
+
+out:
+ vfree(data);
+
+ return ret;
+}
+
+static int qca_disable_soc_logging(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ u8 cmd[2];
+ int err;
+
+ cmd[0] = QCA_DISABLE_LOGGING_SUB_OP;
+ cmd[1] = 0x00;
+ skb = __hci_cmd_sync_ev(hdev, QCA_DISABLE_LOGGING, sizeof(cmd), cmd,
+ HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA Failed to disable soc logging(%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+
+int qca_set_bdaddr_rome(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ struct sk_buff *skb;
+ u8 cmd[9];
+ int err;
+
+ cmd[0] = EDL_NVM_ACCESS_SET_REQ_CMD;
+ cmd[1] = 0x02; /* TAG ID */
+ cmd[2] = sizeof(bdaddr_t); /* size */
+ memcpy(cmd + 3, bdaddr, sizeof(bdaddr_t));
+ skb = __hci_cmd_sync_ev(hdev, EDL_NVM_ACCESS_OPCODE, sizeof(cmd), cmd,
+ HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA Change address command failed (%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qca_set_bdaddr_rome);
+
+int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
+ enum qca_btsoc_type soc_type, struct qca_btsoc_version ver,
+ const char *firmware_name)
+{
+ struct qca_fw_config config;
+ int err;
+ u8 rom_ver = 0;
+ u32 soc_ver;
+
+ bt_dev_dbg(hdev, "QCA setup on UART");
+
+ soc_ver = get_soc_ver(ver.soc_id, ver.rom_ver);
+
+ bt_dev_info(hdev, "QCA controller version 0x%08x", soc_ver);
+
+ config.user_baud_rate = baudrate;
+
+ /* Firmware files to download are based on ROM version.
+ * ROM version is derived from last two bytes of soc_ver.
+ */
+ if (soc_type == QCA_WCN3988)
+ rom_ver = ((soc_ver & 0x00000f00) >> 0x05) | (soc_ver & 0x0000000f);
+ else
+ rom_ver = ((soc_ver & 0x00000f00) >> 0x04) | (soc_ver & 0x0000000f);
+
+ if (soc_type == QCA_WCN6750)
+ qca_send_patch_config_cmd(hdev);
+
+ /* Download rampatch file */
+ config.type = TLV_TYPE_PATCH;
+ switch (soc_type) {
+ case QCA_WCN3990:
+ case QCA_WCN3991:
+ case QCA_WCN3998:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/crbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_WCN3988:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/apbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_QCA6390:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/htbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_WCN6750:
+ /* Choose mbn file by default.If mbn file is not found
+ * then choose tlv file
+ */
+ config.type = ELF_TYPE_PATCH;
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/msbtfw%02x.mbn", rom_ver);
+ break;
+ case QCA_WCN6855:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hpbtfw%02x.tlv", rom_ver);
+ break;
+ case QCA_WCN7850:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hmtbtfw%02x.tlv", rom_ver);
+ break;
+ default:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/rampatch_%08x.bin", soc_ver);
+ }
+
+ err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
+ if (err < 0) {
+ bt_dev_err(hdev, "QCA Failed to download patch (%d)", err);
+ return err;
+ }
+
+ /* Give the controller some time to get ready to receive the NVM */
+ msleep(10);
+
+ /* Download NVM configuration */
+ config.type = TLV_TYPE_NVM;
+ if (firmware_name) {
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/%s", firmware_name);
+ } else {
+ switch (soc_type) {
+ case QCA_WCN3990:
+ case QCA_WCN3991:
+ case QCA_WCN3998:
+ if (le32_to_cpu(ver.soc_id) == QCA_WCN3991_SOC_ID) {
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/crnv%02xu.bin", rom_ver);
+ } else {
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/crnv%02x.bin", rom_ver);
+ }
+ break;
+ case QCA_WCN3988:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/apnv%02x.bin", rom_ver);
+ break;
+ case QCA_QCA6390:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/htnv%02x.bin", rom_ver);
+ break;
+ case QCA_WCN6750:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/msnv%02x.bin", rom_ver);
+ break;
+ case QCA_WCN6855:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hpnv%02x.bin", rom_ver);
+ break;
+ case QCA_WCN7850:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/hmtnv%02x.bin", rom_ver);
+ break;
+
+ default:
+ snprintf(config.fwname, sizeof(config.fwname),
+ "qca/nvm_%08x.bin", soc_ver);
+ }
+ }
+
+ err = qca_download_firmware(hdev, &config, soc_type, rom_ver);
+ if (err < 0) {
+ bt_dev_err(hdev, "QCA Failed to download NVM (%d)", err);
+ return err;
+ }
+
+ switch (soc_type) {
+ case QCA_WCN3991:
+ case QCA_QCA6390:
+ case QCA_WCN6750:
+ case QCA_WCN6855:
+ case QCA_WCN7850:
+ err = qca_disable_soc_logging(hdev);
+ if (err < 0)
+ return err;
+ break;
+ default:
+ break;
+ }
+
+ /* WCN399x and WCN6750 supports the Microsoft vendor extension with 0xFD70 as the
+ * VsMsftOpCode.
+ */
+ switch (soc_type) {
+ case QCA_WCN3988:
+ case QCA_WCN3990:
+ case QCA_WCN3991:
+ case QCA_WCN3998:
+ case QCA_WCN6750:
+ hci_set_msft_opcode(hdev, 0xFD70);
+ break;
+ default:
+ break;
+ }
+
+ /* Perform HCI reset */
+ err = qca_send_reset(hdev);
+ if (err < 0) {
+ bt_dev_err(hdev, "QCA Failed to run HCI_RESET (%d)", err);
+ return err;
+ }
+
+ switch (soc_type) {
+ case QCA_WCN3991:
+ case QCA_WCN6750:
+ case QCA_WCN6855:
+ case QCA_WCN7850:
+ /* get fw build info */
+ err = qca_read_fw_build_info(hdev);
+ if (err < 0)
+ return err;
+ break;
+ default:
+ break;
+ }
+
+ bt_dev_info(hdev, "QCA setup on UART is completed");
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qca_uart_setup);
+
+int qca_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ struct sk_buff *skb;
+ int err;
+
+ skb = __hci_cmd_sync_ev(hdev, EDL_WRITE_BD_ADDR_OPCODE, 6, bdaddr,
+ HCI_EV_VENDOR, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ err = PTR_ERR(skb);
+ bt_dev_err(hdev, "QCA Change address cmd failed (%d)", err);
+ return err;
+ }
+
+ kfree_skb(skb);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(qca_set_bdaddr);
+
+
+MODULE_AUTHOR("Ben Young Tae Kim <ytkim@qca.qualcomm.com>");
+MODULE_DESCRIPTION("Bluetooth support for Qualcomm Atheros family ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");