summaryrefslogtreecommitdiffstats
path: root/firmware/target/coldfire/iaudio/m5/audio-m5.c
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/coldfire/iaudio/m5/audio-m5.c')
-rw-r--r--firmware/target/coldfire/iaudio/m5/audio-m5.c82
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 */
+