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
95
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
*
* Copyright (c) 2013 Andrew Ryabinin
*
* 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.
*
****************************************************************************/
#ifndef _DF1704_H
#define _DF1704_H
#define DF1704_VOLUME_MIN -1270
#define DF1704_VOLUME_MAX 0
#define AUDIOHW_CAPS (FILTER_ROLL_OFF_CAP)
AUDIOHW_SETTING(VOLUME, "dB", 0, 1, DF1704_VOLUME_MIN/10, DF1704_VOLUME_MAX/10, 0)
AUDIOHW_SETTING(FILTER_ROLL_OFF, "", 0, 1, 0, 1, 0)
#define DF1704_MODE(x) (((x)&0x03)<<9)
/**
* MODE0 register settings
*/
/* Left channel attenuation data load control */
#define DF1704_LDL_ON (1<<8)
#define DF1704_LDL_OFF (0<<8)
/**
* MODE1 register settings
*/
/* Right channel attenuation data load control */
#define DF1704_LDR_ON (1<<8)
#define DF1704_LDR_OFF (0<<8)
/**
* MODE2 register settings
*/
#define DF1704_MUTE_ON (0<<0)
#define DF1704_MUTE_OFF (1<<0)
/* Digital De-Emphasis */
#define DF1704_DEM_ON (1<<1)
#define DF1704_DEM_OFF (0<<1)
/* Input data format & word lengths */
#define DF1704_IW_16_I2S (0<<3)
#define DF1704_IW_24_I2S (1<<3)
#define DF1704_IW_16_RJ (0<<3)
#define DF1704_IW_20_RJ (1<<3)
#define DF1704_IW_24_RJ (2<<3)
#define DF1704_IW_24_LJ (3<<3)
/* Output data format & word lengths */
#define DF1704_OW_16 (0<<5)
#define DF1704_OW_18 (1<<5)
#define DF1704_OW_20 (2<<5)
#define DF1704_OW_24 (3<<5)
/**
* MODE3 register settings
*/
#define DF1704_I2S_OFF (0<<0)
#define DF1704_I2S_ON (1<<0)
#define DF1704_LRP_L (0<<1)
#define DF1704_LRP_H (1<<1)
#define DF1704_ATC_ON (1<<2)
#define DF1704_ATC_OFF (0<<2)
#define DF1704_SRO_SHARP (0<<3)
#define DF1704_SRO_SLOW (1<<3)
/* CLKO output frequency selection */
#define DF1704_CKO_FULL (0<<5)
#define DF1704_CKO_HALF (1<<5)
/* Sampling freq selection for the De-Emphasis */
#define DF1704_SF_44 (0<<6)
#define DF1704_SF_32 (3<<6)
#define DF1704_SF_48 (2<<6)
void audiohw_mute(void);
void df1704_set_ml(const int);
void df1704_set_mc(const int);
void df1704_set_md(const int);
void df1704_set_ml_dir(const int);
#endif
|
