--- /dev/null
+/*
+ * (C) Copyright 2002
+ * Keith Outwater, keith_outwater@mvis.com
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+void init_beeper(void);
+void set_beeper_frequency(uint frequency);
+void beeper_on(void);
+void beeper_off(void);
+void set_beeper_volume(int steps);
+int do_beeper(char *sequence);