--- /dev/null
+/*
+ * ALSA PCM device for the
+ * ALSA interface to cx18 PCM capture streams
+ *
+ * Copyright (C) 2009 Andy Walls <awalls@md.metrocast.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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ */
+
+int snd_cx18_pcm_create(struct snd_cx18_card *cxsc);
+
+/* Used by cx18-mailbox to announce the PCM data to the module */
+void cx18_alsa_announce_pcm_data(struct snd_cx18_card *card, u8 *pcm_data,
+ size_t num_bytes);