diff options
Diffstat (limited to 'firmware/target/coldfire/iriver/audio-iriver.c')
-rw-r--r-- | firmware/target/coldfire/iriver/audio-iriver.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/firmware/target/coldfire/iriver/audio-iriver.c b/firmware/target/coldfire/iriver/audio-iriver.c new file mode 100644 index 0000000000..7a52ce1ff0 --- /dev/null +++ b/firmware/target/coldfire/iriver/audio-iriver.c | |||
@@ -0,0 +1,148 @@ | |||
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 "uda1380.h" | ||
23 | |||
24 | /** | ||
25 | * Note that microphone is mono, only left value is used | ||
26 | * See uda1380_set_recvol() for exact ranges. | ||
27 | * | ||
28 | * @param type AUDIO_GAIN_MIC, AUDIO_GAIN_LINEIN | ||
29 | * | ||
30 | */ | ||
31 | void audio_set_recording_gain(int left, int right, int type) | ||
32 | { | ||
33 | //logf("rcmrec: t=%d l=%d r=%d", type, left, right); | ||
34 | uda1380_set_recvol(left, right, type); | ||
35 | } /* audio_set_recording_gain */ | ||
36 | |||
37 | void audio_set_output_source(int source) | ||
38 | { | ||
39 | static const unsigned char txsrc_select[AUDIO_NUM_SOURCES+1] = | ||
40 | { | ||
41 | [AUDIO_SRC_PLAYBACK+1] = 3, /* PDOR3 */ | ||
42 | [AUDIO_SRC_MIC+1] = 4, /* IIS1 RcvData */ | ||
43 | [AUDIO_SRC_LINEIN+1] = 4, /* IIS1 RcvData */ | ||
44 | [AUDIO_SRC_FMRADIO+1] = 4, /* IIS1 RcvData */ | ||
45 | #ifdef HAVE_SPDIF_IN | ||
46 | [AUDIO_SRC_SPDIF+1] = 7, /* EBU1 RcvData */ | ||
47 | #endif | ||
48 | }; | ||
49 | |||
50 | if ((unsigned)source >= AUDIO_NUM_SOURCES) | ||
51 | source = AUDIO_SRC_PLAYBACK; | ||
52 | |||
53 | IIS2CONFIG = (IIS2CONFIG & ~(7 << 8)) | (txsrc_select[source+1] << 8); | ||
54 | } /* audio_set_output_source */ | ||
55 | |||
56 | void audio_set_source(int source, unsigned flags) | ||
57 | { | ||
58 | /* Prevent pops from unneeded switching */ | ||
59 | static int last_source = AUDIO_SRC_PLAYBACK; | ||
60 | bool recording = flags & SRCF_RECORDING; | ||
61 | |||
62 | switch (source) | ||
63 | { | ||
64 | default: /* playback - no recording */ | ||
65 | source = AUDIO_SRC_PLAYBACK; | ||
66 | case AUDIO_SRC_PLAYBACK: | ||
67 | if (source != last_source) | ||
68 | { | ||
69 | uda1380_disable_recording(); | ||
70 | uda1380_set_monitor(false); | ||
71 | /* Reset PDIR2 data flow */ | ||
72 | DATAINCONTROL = (1 << 9); | ||
73 | } | ||
74 | break; | ||
75 | |||
76 | case AUDIO_SRC_MIC: /* recording only */ | ||
77 | if (source != last_source) | ||
78 | { | ||
79 | uda1380_enable_recording(true); /* source mic */ | ||
80 | uda1380_set_monitor(true); | ||
81 | /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */ | ||
82 | DATAINCONTROL = (3 << 14) | (4 << 3); | ||
83 | } | ||
84 | break; | ||
85 | |||
86 | case AUDIO_SRC_LINEIN: /* recording only */ | ||
87 | if (source != last_source) | ||
88 | { | ||
89 | uda1380_enable_recording(false); /* source line */ | ||
90 | uda1380_set_monitor(true); | ||
91 | /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */ | ||
92 | DATAINCONTROL = (3 << 14) | (4 << 3); | ||
93 | } | ||
94 | break; | ||
95 | |||
96 | #ifdef HAVE_SPDIF_IN | ||
97 | case AUDIO_SRC_SPDIF: /* recording only */ | ||
98 | if (source != last_source) | ||
99 | { | ||
100 | uda1380_disable_recording(); | ||
101 | uda1380_set_monitor(false); | ||
102 | /* Int. when 6 samples in FIFO, PDIR2 src = ebu1RcvData */ | ||
103 | DATAINCONTROL = (3 << 14) | (7 << 3); | ||
104 | } | ||
105 | break; | ||
106 | #endif /* HAVE_SPDIF_IN */ | ||
107 | |||
108 | case AUDIO_SRC_FMRADIO: /* recording and playback */ | ||
109 | if (recording) | ||
110 | { | ||
111 | /* Int. when 6 samples in FIFO, PDIR2 src = iis1RcvData */ | ||
112 | DATAINCONTROL = (3 << 14) | (4 << 3); | ||
113 | } | ||
114 | else | ||
115 | { | ||
116 | uda1380_set_recvol(0, 0, AUDIO_GAIN_LINEIN); | ||
117 | /* Reset PDIR2 data flow */ | ||
118 | DATAINCONTROL = (1 << 9); | ||
119 | } | ||
120 | |||
121 | if (source != last_source) | ||
122 | { | ||
123 | /* I2S recording and playback */ | ||
124 | uda1380_enable_recording(false); /* source line */ | ||
125 | uda1380_set_monitor(true); | ||
126 | } | ||
127 | break; | ||
128 | } /* end switch */ | ||
129 | |||
130 | /* set line multiplexer */ | ||
131 | #if defined(IRIVER_H100_SERIES) | ||
132 | #define MUX_BIT (1 << 23) | ||
133 | #elif defined(IRIVER_H300_SERIES) | ||
134 | #define MUX_BIT (1 << 30) | ||
135 | #endif | ||
136 | |||
137 | if (source == AUDIO_SRC_FMRADIO) | ||
138 | or_l(MUX_BIT, &GPIO_OUT); /* FM radio */ | ||
139 | else | ||
140 | and_l(~MUX_BIT, &GPIO_OUT); /* Line In */ | ||
141 | |||
142 | or_l(MUX_BIT, &GPIO_ENABLE); | ||
143 | or_l(MUX_BIT, &GPIO_FUNCTION); | ||
144 | |||
145 | last_source = source; | ||
146 | } /* audio_set_source */ | ||
147 | |||
148 | |||