--- /dev/null
+#ifndef __HID_ROCCAT_H
+#define __HID_ROCCAT_H
+
+/*
+ * Copyright (c) 2010 Stefan Achatz <erazor_de@users.sourceforge.net>
+ */
+
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ */
+
+#include <linux/hid.h>
+#include <linux/types.h>
+
+#define ROCCATIOCGREPSIZE _IOR('H', 0xf1, int)
+
+#ifdef __KERNEL__
+
+int roccat_connect(struct class *klass, struct hid_device *hid,
+ int report_size);
+void roccat_disconnect(int minor);
+int roccat_report_event(int minor, u8 const *data);
+
+#endif
+
+#endif