+/**
+ * Helper function converting device module type and module type to
+ * text string.
+ *
+ * [in] dm_type
+ * Device Module type
+ *
+ * [in] mod_type
+ * Module specific type
+ *
+ * Returns:
+ * Pointer to a char string holding the string for the EM type
+ */
+const char *tf_device_module_type_subtype_2_str
+ (enum tf_device_module_type dm_type,
+ uint16_t mod_type);
+
+/**
+ * Helper function converting device module type to text string
+ *
+ * [in] dm_type
+ * Device Module type
+ *
+ * [in] mod_type
+ * Module specific type
+ *
+ * Returns:
+ * Pointer to a char string holding the string for the EM type
+ */
+const char *tf_device_module_type_2_str(enum tf_device_module_type dm_type);
+