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
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#include <soc/nhlt.h>
static const struct nhlt_format_config dmic_2ch_formats[] = {
/* 48 KHz 16-bits per sample. */
{
.num_channels = 2,
.sample_freq_khz = 48,
.container_bits_per_sample = 16,
.valid_bits_per_sample = 16,
.speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
.settings_file = "dmic-2ch-48khz-16b.bin",
},
/* 48 KHz 32-bits per sample. */
{
.num_channels = 2,
.sample_freq_khz = 48,
.container_bits_per_sample = 32,
.valid_bits_per_sample = 32,
.speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
.settings_file = "dmic-2ch-48khz-32b.bin",
},
};
static const struct nhlt_dmic_array_config dmic_2ch_mic_config = {
.tdm_config = {
.config_type = NHLT_TDM_MIC_ARRAY,
},
.array_type = NHLT_MIC_ARRAY_2CH_SMALL,
};
static const struct nhlt_endp_descriptor dmic_2ch_descriptors[] = {
{
.link = NHLT_LINK_PDM,
.device = NHLT_PDM_DEV,
.direction = NHLT_DIR_CAPTURE,
.vid = NHLT_VID,
.did = NHLT_DID_DMIC,
.cfg = &dmic_2ch_mic_config,
.cfg_size = sizeof(dmic_2ch_mic_config),
.formats = dmic_2ch_formats,
.num_formats = ARRAY_SIZE(dmic_2ch_formats),
},
};
static const struct nhlt_format_config dmic_4ch_formats[] = {
/* 48 KHz 16-bits per sample. */
{
.num_channels = 4,
.sample_freq_khz = 48,
.container_bits_per_sample = 16,
.valid_bits_per_sample = 16,
.speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT |
SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT,
.settings_file = "dmic-4ch-48khz-16b.bin",
},
/* 48 KHz 32-bits per sample. */
{
.num_channels = 4,
.sample_freq_khz = 48,
.container_bits_per_sample = 32,
.valid_bits_per_sample = 32,
.speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT |
SPEAKER_BACK_LEFT | SPEAKER_BACK_RIGHT,
.settings_file = "dmic-4ch-48khz-32b.bin",
},
};
static const struct nhlt_dmic_array_config dmic_4ch_mic_config = {
.tdm_config = {
.config_type = NHLT_TDM_MIC_ARRAY,
},
.array_type = NHLT_MIC_ARRAY_4CH_L_SHAPED,
};
static const struct nhlt_endp_descriptor dmic_4ch_descriptors[] = {
{
.link = NHLT_LINK_PDM,
.device = NHLT_PDM_DEV,
.direction = NHLT_DIR_CAPTURE,
.vid = NHLT_VID,
.did = NHLT_DID_DMIC,
.cfg = &dmic_4ch_mic_config,
.cfg_size = sizeof(dmic_4ch_mic_config),
.formats = dmic_4ch_formats,
.num_formats = ARRAY_SIZE(dmic_4ch_formats),
},
};
int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels)
{
switch (num_channels) {
case 2:
return nhlt_add_endpoints(nhlt, dmic_2ch_descriptors,
ARRAY_SIZE(dmic_2ch_descriptors));
case 4:
return nhlt_add_endpoints(nhlt, dmic_4ch_descriptors,
ARRAY_SIZE(dmic_4ch_descriptors));
default:
return -1;
}
}
|
