| /*************************************************************************** |
| * __________ __ ___. |
| * Open \______ \ ____ ____ | | _\_ |__ _______ ___ |
| * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / |
| * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < |
| * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ |
| * \/ \/ \/ \/ \/ |
| * $Id$ |
| * |
| * Copyright (C) 2006 by Michal Sevakis |
| * Based on the work of Thom Johansen |
| * |
| * 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| * KIND, either express or implied. |
| * |
| ****************************************************************************/ |
| #ifndef SPDIF_H |
| #define SPDIF_H |
| |
| #ifdef HAVE_SPDIF_POWER |
| #define IF_SPDIF_POWER_(...) __VA_ARGS__ |
| #else |
| #define IF_SPDIF_POWER_(...) |
| #endif |
| |
| /* Initialize the S/PDIF driver */ |
| void spdif_init(void); |
| /* Return the S/PDIF frequency in herz - unrounded */ |
| unsigned long spdif_measure_frequency(void); |
| #ifdef HAVE_SPDIF_OUT |
| /* Set the S/PDIF audio feed - Use AUDIO_SRC_* values - |
| will be off if not powered or !on */ |
| void spdif_set_output_source(int source IF_SPDIF_POWER_(, bool on)); |
| /* Return the last set S/PDIF audio source - literally the last value passed |
| to spdif_set_monitor regardless of power state */ |
| int spdif_get_output_source(bool *src_on); |
| #endif /* HAVE_SPDIF_OUT */ |
| |
| #endif /* SPDIF_H */ |