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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 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2006 by Michael Sevakis
11 *
12 * All files in this archive are subject to the GNU General Public License.
13 * See the file COPYING in the source tree root for full license agreement.
14 *
15 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
16 * KIND, either express or implied.
17 *
18 ****************************************************************************/
19#include "system.h"
20#include "cpu.h"
21#include "audio.h"
22#include "sound.h"
23
24void audio_set_output_source(int source)
25{
26 unsigned long txsrc;
27
28 if ((unsigned)source >= AUDIO_NUM_SOURCES)
29 txsrc = (3 << 8); /* playback, PDOR3 */
30 else
31 txsrc = (4 << 8); /* recording, iis1RcvData */
32
33 IIS1CONFIG = (IIS1CONFIG & ~(7 << 8)) | txsrc;
34} /* audio_set_output_source */
35
36void audio_set_source(int source, unsigned flags)
37{
38 /* Prevent pops from unneeded switching */
39 static int last_source = AUDIO_SRC_PLAYBACK;
40
41 (void)flags;
42
43 switch (source)
44 {
45 default: /* playback - no recording */
46 source = AUDIO_SRC_PLAYBACK;
47 case AUDIO_SRC_PLAYBACK:
48 if (source != last_source)
49 {
50 audiohw_disable_recording();
51 audiohw_set_monitor(false);
52 /* Reset PDIR2 data flow */
53 DATAINCONTROL = (1 << 9);
54 }
55 break;
56
57 case AUDIO_SRC_MIC: /* recording only */
58 if (source != last_source)
59 {
60 audiohw_enable_recording(true); /* source mic */
61 /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */
62 DATAINCONTROL = (3 << 14) | (4 << 3);
63 }
64 break;
65
66 case AUDIO_SRC_LINEIN: /* recording only */
67 if (source != last_source)
68 {
69 audiohw_enable_recording(false); /* source line */
70 /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */
71 DATAINCONTROL = (3 << 14) | (4 << 3);
72 }
73 break;
74 } /* end switch */
75
76 or_l((1 << 29), &GPIO_OUT); /* Line In */
77 or_l((1 << 29), &GPIO_ENABLE);
78 or_l((1 << 29), &GPIO_FUNCTION);
79
80 last_source = source;
81} /* audio_set_source */
82