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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.c67
1 files changed, 67 insertions, 0 deletions
diff --git a/drivers/bluetooth/btqca.c b/drivers/bluetooth/btqca.c
index f85a55add9be..25114f0d1319 100644
--- a/drivers/bluetooth/btqca.c
+++ b/drivers/bluetooth/btqca.c
@@ -94,6 +94,53 @@ out:
}
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_reset(struct hci_dev *hdev)
{
struct sk_buff *skb;
@@ -517,6 +564,19 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
return err;
}
+ /* WCN399x supports the Microsoft vendor extension with 0xFD70 as the
+ * VsMsftOpCode.
+ */
+ switch (soc_type) {
+ case QCA_WCN3990:
+ case QCA_WCN3991:
+ case QCA_WCN3998:
+ hci_set_msft_opcode(hdev, 0xFD70);
+ break;
+ default:
+ break;
+ }
+
/* Perform HCI reset */
err = qca_send_reset(hdev);
if (err < 0) {
@@ -524,6 +584,13 @@ int qca_uart_setup(struct hci_dev *hdev, uint8_t baudrate,
return err;
}
+ if (soc_type == QCA_WCN3991) {
+ /* get fw build info */
+ err = qca_read_fw_build_info(hdev);
+ if (err < 0)
+ return err;
+ }
+
bt_dev_info(hdev, "QCA setup on UART is completed");
return 0;