--- /dev/null
+
+// Only for DDP driver.
+#ifndef __DISP_DRV_DDP_H__
+#define __DISP_DRV_DDP_H__
+#include <mach/mt_typedefs.h>
+
+typedef int (*DISP_EXTRA_CHECKUPDATE_PTR)(int);
+typedef int (*DISP_EXTRA_CONFIG_PTR)(int);
+int DISP_RegisterExTriggerSource(DISP_EXTRA_CHECKUPDATE_PTR pCheckUpdateFunc , DISP_EXTRA_CONFIG_PTR pConfFunc);
+void DISP_UnRegisterExTriggerSource(int u4ID);
+void GetUpdateMutex(void);
+void ReleaseUpdateMutex(void);
+BOOL DISP_IsVideoMode(void);
+unsigned long DISP_GetLCMIndex(void);
+
+#endif