qcacmn: Add wakelock for enhanced CFR

There is potential risk when starting CFR and resume happens at same
time, so this change adds wake lock for enhanced CFR.

Change-Id: Ifbde12cb73092b7fc4ef517e57051af4ffe7a79f
CRs-Fixed: 2974733

umac/cfr/dispatcher/inc/wlan_cfr_ucfg_api.h

@@ -347,5 +347,37 @@ QDF_STATUS ucfg_cfr_rcc_dump_lut(struct wlan_objmgr_vdev *vdev);
  */
 QDF_STATUS ucfg_cfr_subscribe_ppdu_desc(struct wlan_objmgr_pdev *pdev,
 					bool is_subscribe);
+
+#ifdef WLAN_CFR_PM
+/**
+ * ucfg_cfr_suspend() - User space interface to
+ * set suspend status to CFR
+ * @pdev: pointer to pdev_object
+ *
+ * return QDF status
+ */
+QDF_STATUS ucfg_cfr_suspend(struct wlan_objmgr_pdev *pdev);
+
+/**
+ * ucfg_cfr_resume() - User space interface to
+ * set resume status to CFR
+ * @pdev: pointer to pdev_object
+ *
+ * return QDF status
+ */
+QDF_STATUS ucfg_cfr_resume(struct wlan_objmgr_pdev *pdev);
+#else
+static inline QDF_STATUS
+ucfg_cfr_suspend(struct wlan_objmgr_pdev *pdev)
+{
+	return QDF_STATUS_E_NOSUPPORT;
+}
+
+static inline QDF_STATUS
+ucfg_cfr_resume(struct wlan_objmgr_pdev *pdev)
+{
+	return QDF_STATUS_E_NOSUPPORT;
+}
+#endif /* end of WLAN_CFR_PM */
 #endif
 #endif

umac/cfr/dispatcher/inc/wlan_cfr_utils_api.h

@@ -558,6 +558,9 @@ struct nl_event_cb {
  * CFR_CAPTURE_METHOD_PROBE_RESPONSE
  * nl_cb: call back to register for nl event for cfr data
  * lut_lock: Lock to protect access to cfr lookup table
+ * is_prevent_suspend: CFR wake lock acquired or not
+ * wake_lock: wake lock for cfr
+ * runtime_lock: runtime lock for cfr
  */
 /*
  * To be extended if we get more capbality info
@@ -606,6 +609,11 @@ struct pdev_cfr {
 	struct unassoc_pool_entry unassoc_pool[MAX_CFR_ENABLED_CLIENTS];
 	struct nl_event_cb nl_cb;
 	qdf_spinlock_t lut_lock;
+#ifdef WLAN_CFR_PM
+	bool is_prevent_suspend;
+	qdf_wake_lock_t wake_lock;
+	qdf_runtime_lock_t runtime_lock;
+#endif
 };
 
 /**

umac/cfr/dispatcher/src/wlan_cfr_ucfg_api.c

@@ -1326,6 +1326,37 @@ QDF_STATUS ucfg_cfr_committed_rcc_config(struct wlan_objmgr_vdev *vdev)
 	return status;
 }
 
+#ifdef WLAN_CFR_PM
+QDF_STATUS ucfg_cfr_suspend(struct wlan_objmgr_pdev *pdev)
+{
+	struct pdev_cfr *pcfr;
+
+	pcfr = wlan_objmgr_pdev_get_comp_private_obj(
+				pdev, WLAN_UMAC_COMP_CFR);
+
+	if (!pcfr) {
+		cfr_err("null pcfr");
+		return QDF_STATUS_E_INVAL;
+	}
+
+	return cfr_allow_suspend(pcfr);
+}
+
+QDF_STATUS ucfg_cfr_resume(struct wlan_objmgr_pdev *pdev)
+{
+	struct pdev_cfr *pcfr;
+
+	pcfr = wlan_objmgr_pdev_get_comp_private_obj(
+				pdev, WLAN_UMAC_COMP_CFR);
+
+	if (!pcfr) {
+		cfr_err("null pcfr");
+		return QDF_STATUS_E_INVAL;
+	}
+
+	return cfr_prevent_suspend(pcfr);
+}
+#endif
 /*
  * This handler is used to enable / disable the capture mode.
  *
@@ -1404,5 +1435,4 @@ QDF_STATUS ucfg_cfr_subscribe_ppdu_desc(struct wlan_objmgr_pdev *pdev,
 	return tgt_cfr_subscribe_ppdu_desc(pdev, is_subscribe);
 }
 #endif
-
 #endif