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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Driver for MAS35xx audio codec
*
*
* Copyright (c) 2007 by Christian Gmeiner
*
* 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 "config.h"
#include "audiohw.h"
#include "mas.h"
const struct sound_settings_info audiohw_settings[] = {
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
[SOUND_VOLUME] = {"dB", 0, 1,-100, 12, -25},
[SOUND_BASS] = {"dB", 0, 1, -12, 12, 6},
[SOUND_TREBLE] = {"dB", 0, 1, -12, 12, 6},
#elif CONFIG_CODEC == MAS3507D
[SOUND_VOLUME] = {"dB", 0, 1, -78, 18, -18},
[SOUND_BASS] = {"dB", 0, 1, -15, 15, 7},
[SOUND_TREBLE] = {"dB", 0, 1, -15, 15, 7},
#endif
[SOUND_BALANCE] = {"%", 0, 1,-100, 100, 0},
[SOUND_CHANNELS] = {"", 0, 1, 0, 5, 0},
[SOUND_STEREO_WIDTH] = {"%", 0, 5, 0, 250, 100},
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
[SOUND_LOUDNESS] = {"dB", 0, 1, 0, 17, 0},
[SOUND_AVC] = {"", 0, 1, -1, 4, 0},
[SOUND_MDB_STRENGTH] = {"dB", 0, 1, 0, 127, 48},
[SOUND_MDB_HARMONICS] = {"%", 0, 1, 0, 100, 50},
[SOUND_MDB_CENTER] = {"Hz", 0, 10, 20, 300, 60},
[SOUND_MDB_SHAPE] = {"Hz", 0, 10, 50, 300, 90},
[SOUND_MDB_ENABLE] = {"", 0, 1, 0, 1, 0},
[SOUND_SUPERBASS] = {"", 0, 1, 0, 1, 0},
#endif
#if CONFIG_CODEC == MAS3587F && defined(HAVE_RECORDING)
[SOUND_LEFT_GAIN] = {"dB", 1, 1, 0, 15, 8},
[SOUND_RIGHT_GAIN] = {"dB", 1, 1, 0, 15, 8},
[SOUND_MIC_GAIN] = {"dB", 1, 1, 0, 15, 2},
#endif
};
int channel_configuration = SOUND_CHAN_STEREO;
int stereo_width = 100;
static void set_channel_config(void)
{
/* default values: stereo */
unsigned long val_ll = 0x80000;
unsigned long val_lr = 0;
unsigned long val_rl = 0;
unsigned long val_rr = 0x80000;
int bank;
switch(channel_configuration)
{
/* case SOUND_CHAN_STEREO unnecessary */
case SOUND_CHAN_MONO:
val_ll = 0xc0000;
val_lr = 0xc0000;
val_rl = 0xc0000;
val_rr = 0xc0000;
break;
case SOUND_CHAN_CUSTOM:
{
/* fixed point variables (matching MAS internal format)
integer part: upper 13 bits (inlcuding sign)
fractional part: lower 19 bits */
long fp_width, fp_straight, fp_cross;
fp_width = (stereo_width << 19) / 100;
if (stereo_width <= 100)
{
fp_straight = - ((1<<19) + fp_width) / 2;
fp_cross = fp_straight + fp_width;
}
else
{
/* straight = - (1 + width) / (2 * width) */
fp_straight = - ((((1<<19) + fp_width) / (fp_width >> 9)) << 9);
fp_cross = (1<<19) + fp_straight;
}
val_ll = val_rr = fp_straight & 0xfffff;
val_lr = val_rl = fp_cross & 0xfffff;
}
break;
case SOUND_CHAN_MONO_LEFT:
val_ll = 0x80000;
val_lr = 0x80000;
val_rl = 0;
val_rr = 0;
break;
case SOUND_CHAN_MONO_RIGHT:
val_ll = 0;
val_lr = 0;
val_rl = 0x80000;
val_rr = 0x80000;
break;
case SOUND_CHAN_KARAOKE:
val_ll = 0xc0000;
val_lr = 0x40000;
val_rl = 0x40000;
val_rr = 0xc0000;
break;
}
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
bank = MAS_BANK_D0;
#elif CONFIG_CODEC == MAS3507D
bank = MAS_BANK_D1;
#endif
mas_writemem(bank, MAS_D0_OUT_LL, &val_ll, 1); /* LL */
mas_writemem(bank, MAS_D0_OUT_LR, &val_lr, 1); /* LR */
mas_writemem(bank, MAS_D0_OUT_RL, &val_rl, 1); /* RL */
mas_writemem(bank, MAS_D0_OUT_RR, &val_rr, 1); /* RR */
}
void audiohw_set_channel(int val)
{
channel_configuration = val;
set_channel_config();
}
void audiohw_set_stereo_width(int val)
{
stereo_width = val;
if (channel_configuration == SOUND_CHAN_CUSTOM) {
set_channel_config();
}
}
void audiohw_set_bass(int val)
{
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
unsigned tmp = ((unsigned)(val * 8) & 0xff) << 8;
mas_codec_writereg(MAS_REG_KBASS, tmp);
#elif CONFIG_CODEC == MAS3507D
mas_writereg(MAS_REG_KBASS, bass_table[val+15]);
#endif
}
#if CONFIG_CODEC == MAS3507D
void audiohw_set_prescaler(int val)
{
mas_writereg(MAS_REG_KPRESCALE, prescale_table[val/10]);
}
#endif
void audiohw_set_treble(int val)
{
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
unsigned tmp = ((unsigned)(val * 8) & 0xff) << 8;
mas_codec_writereg(MAS_REG_KTREBLE, tmp);
#elif CONFIG_CODEC == MAS3507D
mas_writereg(MAS_REG_KTREBLE, treble_table[val+15]);
#endif
}
#if (CONFIG_CODEC == MAS3587F) || (CONFIG_CODEC == MAS3539F)
void audiohw_set_volume(int val) {
unsigned tmp = ((unsigned)(val + 115) & 0xff) << 8;
mas_codec_writereg(MAS_REG_VOLUME_CONTROL, tmp);
}
void audiohw_set_balance(int val) {
unsigned tmp = ((unsigned)(val * 127 / 100) & 0xff) << 8;
mas_codec_writereg(MAS_REG_BALANCE, tmp);
}
#endif
|
