diff --git a/include/asm-m68k/atari_stdma.h b/include/asm-m68k/atari_stdma.h
new file mode 100644
index 0000000..64f9288
--- /dev/null
+++ b/include/asm-m68k/atari_stdma.h
@@ -0,0 +1,23 @@
+
+#ifndef _atari_stdma_h
+#define _atari_stdma_h
+
+
+#include <asm/irq.h>
+
+
+/***************************** Prototypes *****************************/
+
+void stdma_lock(irqreturn_t (*handler)(int, void *, struct pt_regs *),
+		void *data);
+void stdma_release( void );
+int stdma_others_waiting( void );
+int stdma_islocked( void );
+void *stdma_locked_by( void );
+void stdma_init( void );
+
+/************************* End of Prototypes **************************/
+
+
+
+#endif  /* _atari_stdma_h */