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Diffstat (limited to 'firmware/export/pcm1792.h')
-rw-r--r-- | firmware/export/pcm1792.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/firmware/export/pcm1792.h b/firmware/export/pcm1792.h new file mode 100644 index 0000000000..917599edbf --- /dev/null +++ b/firmware/export/pcm1792.h | |||
@@ -0,0 +1,142 @@ | |||
1 | /*************************************************************************** | ||
2 | * __________ __ ___. | ||
3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
7 | * \/ \/ \/ \/ \/ | ||
8 | * $Id$ | ||
9 | * | ||
10 | * | ||
11 | * Copyright (c) 2013 Andrew Ryabinin | ||
12 | * | ||
13 | * This program is free software; you can redistribute it and/or | ||
14 | * modify it under the terms of the GNU General Public License | ||
15 | * as published by the Free Software Foundation; either version 2 | ||
16 | * of the License, or (at your option) any later version. | ||
17 | * | ||
18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
19 | * KIND, either express or implied. | ||
20 | * | ||
21 | ****************************************************************************/ | ||
22 | |||
23 | #ifndef _PCM1792_H | ||
24 | #define _PCM1792_H | ||
25 | |||
26 | #define PCM1792_VOLUME_MIN -1270 | ||
27 | #define PCM1792_VOLUME_MAX 0 | ||
28 | |||
29 | #define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP) | ||
30 | AUDIOHW_SETTING(VOLUME, "dB", 0, 1, PCM1792_VOLUME_MIN/10, PCM1792_VOLUME_MAX/10, 0) | ||
31 | AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 1, 0) | ||
32 | |||
33 | #define PCM1792_REG(x) (((x)&0x1f)<<8) | ||
34 | |||
35 | /** | ||
36 | * Register #18 | ||
37 | */ | ||
38 | /* Attenuation Load Control */ | ||
39 | #define PCM1792_ATLD_OFF (0<<7) | ||
40 | #define PCM1792_ATLD_ON (1<<7) | ||
41 | |||
42 | /* Audio Interface Data Format */ | ||
43 | #define PCM1792_FMT_16_RJ (0<<4) /* 16-bit standard format, right-justified data */ | ||
44 | #define PCM1792_FMT_20_RJ (1<<4) /* 20-bit standard format, right-justified data */ | ||
45 | #define PCM1792_FMT_24_RJ (2<<4) /* 24-bit standard format, right-justified data */ | ||
46 | #define PCM1792_FMT_24_MSB_I2S (3<<4) /* 24-bit MSB-first, left-justified format data */ | ||
47 | #define PCM1792_FMT_16_I2S (4<<4) /* 16-bit I2S format data */ | ||
48 | #define PCM1792_FMT_24_I2S (5<<4) /* 24-bit I2S format data */ | ||
49 | |||
50 | /* Sampling Frequency Selection for the De-Emphasis Function */ | ||
51 | #define PCM1792_DMF_DISABLE (0<<2) | ||
52 | #define PCM1792_DMF_48 (1<<2) | ||
53 | #define PCM1792_DMF_44 (2<<2) | ||
54 | #define PCM1792_DMF_32 (2<<2) | ||
55 | |||
56 | /* Digital De-Emphasis Control */ | ||
57 | #define PCM1792_DME_OFF (0<<1) | ||
58 | #define PCM1792_DME_ON (1<<1) | ||
59 | |||
60 | /* Soft Mute Control */ | ||
61 | #define PCM1792_MUTE_OFF (0<<0) | ||
62 | #define PCM1792_MUTE_ON (1<<0) | ||
63 | |||
64 | |||
65 | /** | ||
66 | * Register #19 | ||
67 | */ | ||
68 | /* Output Phase Reversal */ | ||
69 | #define PCM1792_REV_OFF (0<<7) | ||
70 | #define PCM1792_REV_ON (1<<7) | ||
71 | |||
72 | /* Attenuation Rate Select */ | ||
73 | #define PCM1792_ATS_DIV1 (0<<5) | ||
74 | #define PCM1792_ATS_DIV2 (1<<5) | ||
75 | #define PCM1792_ATS_DIV4 (2<<5) | ||
76 | #define PCM1792_ATS_DIV8 (4<<5) | ||
77 | |||
78 | /* DAC Operation Control */ | ||
79 | #define PCM1792_OPE_ON (0<<4) | ||
80 | #define PCM1792_OPE_OFF (1<<4) | ||
81 | |||
82 | /* Stereo DF Bypass Mode Select */ | ||
83 | #define PCM1792_DFMS_MONO (0<<2) | ||
84 | #define PCM1792_DFMS_STERO (1<<2) | ||
85 | |||
86 | /* Digital Filter Rolloff Control */ | ||
87 | #define PCM1792_FLT_SHARP (0<<1) | ||
88 | #define PCM1792_FLT_SLOW (1<<1) | ||
89 | |||
90 | /* Infinite Zero Detect Mute Control */ | ||
91 | #define PCM1792_INZD_OFF (0<<0) | ||
92 | #define PCM1792_INZD_ON (1<<0) | ||
93 | |||
94 | |||
95 | /** | ||
96 | * Register #20 | ||
97 | */ | ||
98 | /* System Reset Control */ | ||
99 | #define PCM1792_SRST_NORMAL (0<<6) | ||
100 | #define PCM1792_SRST_RESET (1<<6) | ||
101 | |||
102 | /* DSD Interface Mode Control */ | ||
103 | #define PCM1792_DSD_OFF (0<<5) | ||
104 | #define PCM1792_DSD_ON (1<<5) | ||
105 | |||
106 | /* Digital Filter Bypass (or Through Mode) Control */ | ||
107 | #define PCM1792_DFTH_ENABLE (0<<4) /* Digital filter enabled */ | ||
108 | #define PCM1792_DFTH_BYPASS (1<<4) /* Digital filter bypassed | ||
109 | for external digital filter */ | ||
110 | |||
111 | /* Monaural Mode Selection */ | ||
112 | #define PCM1792_STEREO (0<<3) | ||
113 | #define PCM1792_MONO (1<<3) | ||
114 | |||
115 | /* Channel Selection for Monaural Mode */ | ||
116 | #define PCM1792_CHSL_L (0<<2) | ||
117 | #define PCM1792_CHSL_R (1<<2) | ||
118 | |||
119 | /* Delta-Sigma Oversampling Rate Selection */ | ||
120 | #define PCM1792_OS_64 (0<<0) | ||
121 | #define PCM1792_OS_32 (1<<0) | ||
122 | #define PCM1792_OS_128 (2<<0) | ||
123 | |||
124 | /** | ||
125 | * Register #21 | ||
126 | */ | ||
127 | /* DSD Zero Output Enable */ | ||
128 | #define PCM1792_DZ_DISABLE (0<<1) | ||
129 | #define PCM1792_DZ_EVEN (1<<1) /* Even pattern detect */ | ||
130 | #define PCM1792_DZ_96H (2<<1) /* 96h pattern detect */ | ||
131 | |||
132 | /* PCM Zero Output Enable */ | ||
133 | #define PCM1792_PCMZ_OFF (0<<0) | ||
134 | #define PCM1792_PCMZ_ON (1<<0) | ||
135 | |||
136 | void audiohw_mute(void); | ||
137 | void pcm1792_set_ml(const int); | ||
138 | void pcm1792_set_mc(const int); | ||
139 | void pcm1792_set_md(const int); | ||
140 | void pcm1792_set_ml_dir(const int); | ||
141 | |||
142 | #endif | ||