diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio/m5/audio-m5.c')
-rw-r--r-- | firmware/target/coldfire/iaudio/m5/audio-m5.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iaudio/m5/audio-m5.c b/firmware/target/coldfire/iaudio/m5/audio-m5.c new file mode 100644 index 0000000000..fcedbcad78 --- /dev/null +++ b/firmware/target/coldfire/iaudio/m5/audio-m5.c @@ -0,0 +1,82 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006 by Michael Sevakis + * + * All files in this archive are subject to the GNU General Public License. + * See the file COPYING in the source tree root for full license agreement. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "system.h" +#include "cpu.h" +#include "audio.h" +#include "sound.h" + +void audio_set_output_source(int source) +{ + unsigned long txsrc; + + if ((unsigned)source >= AUDIO_NUM_SOURCES) + txsrc = (3 << 8); /* playback, PDOR3 */ + else + txsrc = (4 << 8); /* recording, iis1RcvData */ + + IIS1CONFIG = (IIS1CONFIG & ~(7 << 8)) | txsrc; +} /* audio_set_output_source */ + +void audio_set_source(int source, unsigned flags) +{ + /* Prevent pops from unneeded switching */ + static int last_source = AUDIO_SRC_PLAYBACK; + + (void)flags; + + switch (source) + { + default: /* playback - no recording */ + source = AUDIO_SRC_PLAYBACK; + case AUDIO_SRC_PLAYBACK: + if (source != last_source) + { + audiohw_disable_recording(); + audiohw_set_monitor(false); + /* Reset PDIR2 data flow */ + DATAINCONTROL = (1 << 9); + } + break; + + case AUDIO_SRC_MIC: /* recording only */ + if (source != last_source) + { + audiohw_enable_recording(true); /* source mic */ + /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */ + DATAINCONTROL = (3 << 14) | (4 << 3); + } + break; + + case AUDIO_SRC_LINEIN: /* recording only */ + if (source != last_source) + { + audiohw_enable_recording(false); /* source line */ + /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */ + DATAINCONTROL = (3 << 14) | (4 << 3); + } + break; + } /* end switch */ + + or_l((1 << 29), &GPIO_OUT); /* Line In */ + or_l((1 << 29), &GPIO_ENABLE); + or_l((1 << 29), &GPIO_FUNCTION); + + last_source = source; +} /* audio_set_source */ + |