blob: 1d78e71541cf6af7ab3e496b416b29267520bd59 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 by Michael Sevakis
*
* 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.
*
****************************************************************************/
#include "system.h"
#include "cpu.h"
#include "audio.h"
#include "sound.h"
int audio_channels = 2;
int audio_output_source = AUDIO_SRC_PLAYBACK;
void audio_set_output_source(int source)
{
int oldmode = set_fiq_status(FIQ_DISABLED);
if ((unsigned)source >= AUDIO_NUM_SOURCES)
source = AUDIO_SRC_PLAYBACK;
audio_output_source = source;
if (source != AUDIO_SRC_PLAYBACK)
IISCONFIG |= (1 << 29);
set_fiq_status(oldmode);
} /* audio_set_output_source */
void audio_input_mux(int source, unsigned flags)
{
static int last_source = AUDIO_SRC_PLAYBACK;
static bool last_recording = false;
bool recording = flags & SRCF_RECORDING;
switch (source)
{
default: /* playback - no recording */
source = AUDIO_SRC_PLAYBACK;
case AUDIO_SRC_PLAYBACK:
audio_channels = 2;
if (source != last_source)
{
audiohw_set_monitor(false);
audiohw_disable_recording();
}
break;
case AUDIO_SRC_MIC: /* recording only */
audio_channels = 1;
if (source != last_source)
{
audiohw_set_monitor(false);
audiohw_enable_recording(true); /* source mic */
}
break;
case AUDIO_SRC_FMRADIO: /* recording and playback */
audio_channels = 2;
if (source == last_source && recording == last_recording)
break;
last_recording = recording;
if (recording)
{
audiohw_set_monitor(false);
audiohw_enable_recording(false);
}
else
{
audiohw_disable_recording();
audiohw_set_monitor(true); /* line 1 analog audio path */
}
break;
} /* end switch */
last_source = source;
} /* audio_input_mux */
|
