--- /dev/null
+/*
+ * Linux driver for M2Tech hiFace compatible devices
+ *
+ * Copyright 2012-2013 (C) M2TECH S.r.l and Amarula Solutions B.V.
+ *
+ * Authors: Michael Trimarchi <michael@amarulasolutions.com>
+ * Antonio Ospite <ao2@amarulasolutions.com>
+ *
+ * The driver is based on the work done in TerraTec DMX 6Fire USB
+ *
+ * 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.
+ */
+
+#ifndef HIFACE_PCM_H
+#define HIFACE_PCM_H
+
+struct hiface_chip;
+
+int hiface_pcm_init(struct hiface_chip *chip, u8 extra_freq);
+void hiface_pcm_abort(struct hiface_chip *chip);
+#endif /* HIFACE_PCM_H */