diff options
Diffstat (limited to 'firmware/target/coldfire/iaudio/m3/audio-m3.c')
-rw-r--r-- | firmware/target/coldfire/iaudio/m3/audio-m3.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/firmware/target/coldfire/iaudio/m3/audio-m3.c b/firmware/target/coldfire/iaudio/m3/audio-m3.c deleted file mode 100644 index ea401cc40e..0000000000 --- a/firmware/target/coldfire/iaudio/m3/audio-m3.c +++ /dev/null | |||
@@ -1,116 +0,0 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * Copyright (C) 2006 by Michael Sevakis | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * as published by the Free Software Foundation; either version 2 | ||
15 | * of the License, or (at your option) any later version. | ||
16 | * | ||
17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
18 | * KIND, either express or implied. | ||
19 | * | ||
20 | ****************************************************************************/ | ||
21 | |||
22 | #include "system.h" | ||
23 | #include "cpu.h" | ||
24 | #include "audio.h" | ||
25 | #include "sound.h" | ||
26 | |||
27 | void audio_set_output_source(int source) | ||
28 | { | ||
29 | int level = set_irq_level(DMA_IRQ_LEVEL); | ||
30 | unsigned long txsrc; | ||
31 | |||
32 | if ((unsigned)source >= AUDIO_NUM_SOURCES) | ||
33 | txsrc = (3 << 8); /* playback, PDOR3 */ | ||
34 | else | ||
35 | txsrc = (4 << 8); /* recording, iis1RcvData */ | ||
36 | |||
37 | IIS1CONFIG = (IIS1CONFIG & ~(7 << 8)) | txsrc; | ||
38 | restore_irq(level); | ||
39 | } /* audio_set_output_source */ | ||
40 | |||
41 | void audio_input_mux(int source, unsigned flags) | ||
42 | { | ||
43 | /* Prevent pops from unneeded switching */ | ||
44 | static int last_source = AUDIO_SRC_PLAYBACK; | ||
45 | static bool last_recording = false; | ||
46 | |||
47 | bool recording = flags & SRCF_RECORDING; | ||
48 | |||
49 | switch (source) | ||
50 | { | ||
51 | default: /* playback - no recording */ | ||
52 | source = AUDIO_SRC_PLAYBACK; | ||
53 | case AUDIO_SRC_PLAYBACK: | ||
54 | if (source != last_source) | ||
55 | { | ||
56 | audiohw_disable_recording(); | ||
57 | audiohw_set_monitor(false); | ||
58 | coldfire_set_dataincontrol(0); | ||
59 | } | ||
60 | break; | ||
61 | |||
62 | case AUDIO_SRC_MIC: /* recording only */ | ||
63 | if (source != last_source) | ||
64 | { | ||
65 | audiohw_enable_recording(true); /* source mic */ | ||
66 | /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */ | ||
67 | coldfire_set_dataincontrol((3 << 14) | (4 << 3)); | ||
68 | } | ||
69 | break; | ||
70 | |||
71 | case AUDIO_SRC_LINEIN: /* recording only */ | ||
72 | if (source != last_source) | ||
73 | { | ||
74 | audiohw_enable_recording(false); /* source line */ | ||
75 | /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */ | ||
76 | coldfire_set_dataincontrol((3 << 14) | (4 << 3)); | ||
77 | } | ||
78 | break; | ||
79 | |||
80 | case AUDIO_SRC_FMRADIO: /* recording and playback */ | ||
81 | if (!recording) | ||
82 | audiohw_set_recvol(23, 23, AUDIO_GAIN_LINEIN); | ||
83 | |||
84 | /* I2S recording and analog playback */ | ||
85 | if (source == last_source && recording == last_recording) | ||
86 | break; | ||
87 | |||
88 | last_recording = recording; | ||
89 | |||
90 | if (recording) | ||
91 | { | ||
92 | /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */ | ||
93 | coldfire_set_dataincontrol((3 << 14) | (4 << 3)); | ||
94 | audiohw_enable_recording(false); /* source line */ | ||
95 | } | ||
96 | else | ||
97 | { | ||
98 | audiohw_disable_recording(); | ||
99 | audiohw_set_monitor(true); /* analog bypass */ | ||
100 | coldfire_set_dataincontrol(0); | ||
101 | } | ||
102 | break; | ||
103 | } /* end switch */ | ||
104 | |||
105 | /* set line multiplexer */ | ||
106 | if (source == AUDIO_SRC_FMRADIO) | ||
107 | and_l(~(1 << 25), &GPIO1_OUT); /* FM radio */ | ||
108 | else | ||
109 | or_l((1 << 25), &GPIO1_OUT); /* Line In */ | ||
110 | |||
111 | or_l((1 << 25), &GPIO1_ENABLE); | ||
112 | or_l((1 << 25), &GPIO1_FUNCTION); | ||
113 | |||
114 | last_source = source; | ||
115 | } /* audio_input_mux */ | ||
116 | |||