msm: camera: sync: Add support to invoke synx recover

If ICP FW is to be redowloaded, issue a synx recover for
this ICP core so that IPC/synx for the previous session
can be cleaned up prior to the next ICP cold boot.

CRs-Fixed: 3448052
Change-Id: I9f8f772730f7e4a8873b6dbdcf7a896ad6193150
Signed-off-by: Karthik Anantha Ram <quic_kartanan@quicinc.com>

drivers/cam_sync/cam_sync_api.h

@@ -16,6 +16,12 @@
 #define SYNC_DEBUG_NAME_LEN 63
 typedef void (*sync_callback)(int32_t sync_obj, int status, void *data);
 
+enum cam_sync_synx_supported_cores {
+	CAM_ICP_0_SYNX_CORE = 1,
+	CAM_ICP_1_SYNX_CORE,
+	CAM_INVALID_SYNX_CORE,
+};
+
 /* Kernel APIs */
 
 /**
@@ -153,6 +159,17 @@ int cam_sync_wait(int32_t sync_obj, uint64_t timeout_ms);
  */
 int cam_sync_check_valid(int32_t sync_obj);
 
+/**
+ * @brief: Synx recovery for a given core
+ *
+ * @param core_id: Core ID we want to recover for
+ *
+ * @return Status of operation. Zero in case of success
+ * -EINVAL if core_id is invalid
+ */
+int cam_sync_synx_core_recovery(
+	enum cam_sync_synx_supported_cores core_id);
+
 /**
  * @brief : API to register SYNC to platform framework.
  *