1 files changed, 51 insertions, 17 deletions

diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index bb69b7ea8..ce5c2aa74 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -7,7 +7,6 @@
  *
  *  Copyright (C) 2007 Texas Instruments, Inc.
  *  Copyright (c) 2010, 2012, 2018 The Linux Foundation. All rights reserved.
- *  Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
  *
  *  Acknowledgements:
  *  This file is based on hci_ll.c, which was...
@@ -226,6 +225,7 @@ struct qca_serdev {
 	struct qca_power *bt_power;
 	u32 init_speed;
 	u32 oper_speed;
+	bool bdaddr_property_broken;
 	const char *firmware_name;
 };
 
@@ -1672,6 +1672,9 @@ static bool qca_wakeup(struct hci_dev *hdev)
 	struct hci_uart *hu = hci_get_drvdata(hdev);
 	bool wakeup;
 
+	if (!hu->serdev)
+		return true;
+
 	/* BT SoC attached through the serial bus is handled by the serdev driver.
 	 * So we need to use the device handle of the serdev driver to get the
 	 * status of device may wakeup.
@@ -1815,6 +1818,24 @@ static void hci_coredump_qca(struct hci_dev *hdev)
 		bt_dev_err(hdev, "%s: trigger crash failed (%d)", __func__, err);
 }
 
+static int qca_get_data_path_id(struct hci_dev *hdev, __u8 *data_path_id)
+{
+	/* QCA uses 1 as non-HCI data path id for HFP */
+	*data_path_id = 1;
+	return 0;
+}
+
+static int qca_configure_hfp_offload(struct hci_dev *hdev)
+{
+	bt_dev_info(hdev, "HFP non-HCI data transport is supported");
+	hdev->get_data_path_id = qca_get_data_path_id;
+	/* Do not need to send HCI_Configure_Data_Path to configure non-HCI
+	 * data transport path for QCA controllers, so set below field as NULL.
+	 */
+	hdev->get_codec_config_data = NULL;
+	return 0;
+}
+
 static int qca_setup(struct hci_uart *hu)
 {
 	struct hci_dev *hdev = hu->hdev;
@@ -1825,6 +1846,7 @@ static int qca_setup(struct hci_uart *hu)
 	const char *firmware_name = qca_get_firmware_name(hu);
 	int ret;
 	struct qca_btsoc_version ver;
+	struct qca_serdev *qcadev;
 	const char *soc_name;
 
 	ret = qca_check_speeds(hu);
@@ -1886,16 +1908,11 @@ retry:
 	case QCA_WCN6750:
 	case QCA_WCN6855:
 	case QCA_WCN7850:
+		set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
 
-		/* Set BDA quirk bit for reading BDA value from fwnode property
-		 * only if that property exist in DT.
-		 */
-		if (fwnode_property_present(dev_fwnode(hdev->dev.parent), "local-bd-address")) {
-			set_bit(HCI_QUIRK_USE_BDADDR_PROPERTY, &hdev->quirks);
-			bt_dev_info(hdev, "setting quirk bit to read BDA from fwnode later");
-		} else {
-			bt_dev_dbg(hdev, "local-bd-address` is not present in the devicetree so not setting quirk bit for BDA");
-		}
+		qcadev = serdev_device_get_drvdata(hu->serdev);
+		if (qcadev->bdaddr_property_broken)
+			set_bit(HCI_QUIRK_BDADDR_PROPERTY_BROKEN, &hdev->quirks);
 
 		hci_set_aosp_capable(hdev);
 
@@ -1943,8 +1960,10 @@ retry:
 		qca_debugfs_init(hdev);
 		hu->hdev->hw_error = qca_hw_error;
 		hu->hdev->cmd_timeout = qca_cmd_timeout;
-		if (device_can_wakeup(hu->serdev->ctrl->dev.parent))
-			hu->hdev->wakeup = qca_wakeup;
+		if (hu->serdev) {
+			if (device_can_wakeup(hu->serdev->ctrl->dev.parent))
+				hu->hdev->wakeup = qca_wakeup;
+		}
 	} else if (ret == -ENOENT) {
 		/* No patch/nvm-config found, run with original fw/config */
 		set_bit(QCA_ROM_FW, &qca->flags);
@@ -1979,6 +1998,10 @@ out:
 		hu->hdev->set_bdaddr = qca_set_bdaddr_rome;
 	else
 		hu->hdev->set_bdaddr = qca_set_bdaddr;
+
+	if (soc_type == QCA_QCA2066)
+		qca_configure_hfp_offload(hdev);
+
 	qca->fw_version = le16_to_cpu(ver.patch_ver);
 	qca->controller_id = le16_to_cpu(ver.rom_ver);
 	hci_devcd_register(hdev, hci_coredump_qca, qca_dmp_hdr, NULL);
@@ -2273,6 +2296,9 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 	if (!qcadev->oper_speed)
 		BT_DBG("UART will pick default operating speed");
 
+	qcadev->bdaddr_property_broken = device_property_read_bool(&serdev->dev,
+			"qcom,local-bd-address-broken");
+
 	if (data)
 		qcadev->btsoc_type = data->soc_type;
 	else
@@ -2308,16 +2334,21 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 		    (data->soc_type == QCA_WCN6750 ||
 		     data->soc_type == QCA_WCN6855)) {
 			dev_err(&serdev->dev, "failed to acquire BT_EN gpio\n");
-			power_ctrl_enabled = false;
+			return PTR_ERR(qcadev->bt_en);
 		}
 
+		if (!qcadev->bt_en)
+			power_ctrl_enabled = false;
+
 		qcadev->sw_ctrl = devm_gpiod_get_optional(&serdev->dev, "swctrl",
 					       GPIOD_IN);
 		if (IS_ERR(qcadev->sw_ctrl) &&
 		    (data->soc_type == QCA_WCN6750 ||
 		     data->soc_type == QCA_WCN6855 ||
-		     data->soc_type == QCA_WCN7850))
-			dev_warn(&serdev->dev, "failed to acquire SW_CTRL gpio\n");
+		     data->soc_type == QCA_WCN7850)) {
+			dev_err(&serdev->dev, "failed to acquire SW_CTRL gpio\n");
+			return PTR_ERR(qcadev->sw_ctrl);
+		}
 
 		qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
 		if (IS_ERR(qcadev->susclk)) {
@@ -2336,10 +2367,13 @@ static int qca_serdev_probe(struct serdev_device *serdev)
 		qcadev->bt_en = devm_gpiod_get_optional(&serdev->dev, "enable",
 					       GPIOD_OUT_LOW);
 		if (IS_ERR(qcadev->bt_en)) {
-			dev_warn(&serdev->dev, "failed to acquire enable gpio\n");
-			power_ctrl_enabled = false;
+			dev_err(&serdev->dev, "failed to acquire enable gpio\n");
+			return PTR_ERR(qcadev->bt_en);
 		}
 
+		if (!qcadev->bt_en)
+			power_ctrl_enabled = false;
+
 		qcadev->susclk = devm_clk_get_optional(&serdev->dev, NULL);
 		if (IS_ERR(qcadev->susclk)) {
 			dev_warn(&serdev->dev, "failed to acquire clk\n");