qcacmn: Add QCA vendor attribute to configure DBAM feature

Add a new QCA attribute QCA_WLAN_VENDOR_ATTR_CONFIG_DBAM
to configure Dedicated Bluetooth Antenna Mode (DBAM) feature.
It is used to switch between dedicated antenna mode for BT and
COEX shared antenna mode for WLAN and BT.

Change-Id: Id1e04e8647a0b4ff6bb83f272c0f891aa88f111c
CRs-Fixed: 3239894

os_if/linux/qca_vendor.h

@@ -5057,12 +5057,32 @@ enum qca_wlan_vendor_attr_config {
 	 */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_ARP_NS_OFFLOAD = 81,
 
+	/*
+	 * 8-bit unsigned value. This attribute can be used to configure the
+	 * Dedicated Bluetooth Antenna Mode (DBAM) feature. Possible values
+	 * for this attribute are defined in the enum qca_dbam_config.
+	 */
+	QCA_WLAN_VENDOR_ATTR_CONFIG_DBAM = 83,
+
 	/* keep last */
 	QCA_WLAN_VENDOR_ATTR_CONFIG_AFTER_LAST,
 	QCA_WLAN_VENDOR_ATTR_CONFIG_MAX =
 	QCA_WLAN_VENDOR_ATTR_CONFIG_AFTER_LAST - 1,
 };
 
+/**
+ * enum qca_dbam_config - Specifies DBAM config mode
+ * @QCA_DBAM_DISABLE: Firmware disables DBAM
+ * @QCA_DBAM_ENABLE: Firmware enables DBAM opportunistically when
+ * internal criteria are met.
+ * @QCA_DBAM_FORCE_ENABLE: Firmware enables DBAM forcefully.
+ */
+enum qca_dbam_config {
+	QCA_DBAM_DISABLE = 0,
+	QCA_DBAM_ENABLE = 1,
+	QCA_DBAM_FORCE_ENABLE = 2,
+};
+
 /**
  * enum qca_wlan_vendor_attr_wifi_logger_start - Enum for wifi logger starting
  * @QCA_WLAN_VENDOR_ATTR_WIFI_LOGGER_START_INVALID: Invalid attribute