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
|
// SPDX-License-Identifier: GPL-2.0
//
// Copyright (c) 2020 BayLibre, SAS.
// Author: Jerome Brunet <jbrunet@baylibre.com>
#include <linux/bitfield.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <dt-bindings/sound/meson-aiu.h>
#include "aiu.h"
#include "meson-codec-glue.h"
#define CTRL_CLK_SEL GENMASK(1, 0)
#define CTRL_DATA_SEL_SHIFT 4
#define CTRL_DATA_SEL (0x3 << CTRL_DATA_SEL_SHIFT)
static const char * const aiu_codec_ctrl_mux_texts[] = {
"DISABLED", "PCM", "I2S",
};
static int aiu_codec_ctrl_mux_put_enum(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *component =
snd_soc_dapm_kcontrol_component(kcontrol);
struct snd_soc_dapm_context *dapm =
snd_soc_dapm_kcontrol_dapm(kcontrol);
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
unsigned int mux, changed;
mux = snd_soc_enum_item_to_val(e, ucontrol->value.enumerated.item[0]);
changed = snd_soc_component_test_bits(component, e->reg,
CTRL_DATA_SEL,
FIELD_PREP(CTRL_DATA_SEL, mux));
if (!changed)
return 0;
/* Force disconnect of the mux while updating */
snd_soc_dapm_mux_update_power(dapm, kcontrol, 0, NULL, NULL);
/* Reset the source first */
snd_soc_component_update_bits(component, e->reg,
CTRL_CLK_SEL |
CTRL_DATA_SEL,
FIELD_PREP(CTRL_CLK_SEL, 0) |
FIELD_PREP(CTRL_DATA_SEL, 0));
/* Set the appropriate source */
snd_soc_component_update_bits(component, e->reg,
CTRL_CLK_SEL |
CTRL_DATA_SEL,
FIELD_PREP(CTRL_CLK_SEL, mux) |
FIELD_PREP(CTRL_DATA_SEL, mux));
snd_soc_dapm_mux_update_power(dapm, kcontrol, mux, e, NULL);
return 0;
}
static SOC_ENUM_SINGLE_DECL(aiu_hdmi_ctrl_mux_enum, AIU_HDMI_CLK_DATA_CTRL,
CTRL_DATA_SEL_SHIFT,
aiu_codec_ctrl_mux_texts);
static const struct snd_kcontrol_new aiu_hdmi_ctrl_mux =
SOC_DAPM_ENUM_EXT("HDMI Source", aiu_hdmi_ctrl_mux_enum,
snd_soc_dapm_get_enum_double,
aiu_codec_ctrl_mux_put_enum);
static const struct snd_soc_dapm_widget aiu_hdmi_ctrl_widgets[] = {
SND_SOC_DAPM_MUX("HDMI CTRL SRC", SND_SOC_NOPM, 0, 0,
&aiu_hdmi_ctrl_mux),
};
static const struct snd_soc_dai_ops aiu_codec_ctrl_input_ops = {
.hw_params = meson_codec_glue_input_hw_params,
.set_fmt = meson_codec_glue_input_set_fmt,
};
static const struct snd_soc_dai_ops aiu_codec_ctrl_output_ops = {
.startup = meson_codec_glue_output_startup,
};
#define AIU_CODEC_CTRL_FORMATS \
(SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S24_LE | \
SNDRV_PCM_FMTBIT_S32_LE)
#define AIU_CODEC_CTRL_STREAM(xname, xsuffix) \
{ \
.stream_name = xname " " xsuffix, \
.channels_min = 1, \
.channels_max = 8, \
.rate_min = 5512, \
.rate_max = 192000, \
.formats = AIU_CODEC_CTRL_FORMATS, \
}
#define AIU_CODEC_CTRL_INPUT(xname) { \
.name = "CODEC CTRL " xname, \
.playback = AIU_CODEC_CTRL_STREAM(xname, "Playback"), \
.ops = &aiu_codec_ctrl_input_ops, \
.probe = meson_codec_glue_input_dai_probe, \
.remove = meson_codec_glue_input_dai_remove, \
}
#define AIU_CODEC_CTRL_OUTPUT(xname) { \
.name = "CODEC CTRL " xname, \
.capture = AIU_CODEC_CTRL_STREAM(xname, "Capture"), \
.ops = &aiu_codec_ctrl_output_ops, \
}
static struct snd_soc_dai_driver aiu_hdmi_ctrl_dai_drv[] = {
[CTRL_I2S] = AIU_CODEC_CTRL_INPUT("HDMI I2S IN"),
[CTRL_PCM] = AIU_CODEC_CTRL_INPUT("HDMI PCM IN"),
[CTRL_OUT] = AIU_CODEC_CTRL_OUTPUT("HDMI OUT"),
};
static const struct snd_soc_dapm_route aiu_hdmi_ctrl_routes[] = {
{ "HDMI CTRL SRC", "I2S", "HDMI I2S IN Playback" },
{ "HDMI CTRL SRC", "PCM", "HDMI PCM IN Playback" },
{ "HDMI OUT Capture", NULL, "HDMI CTRL SRC" },
};
static int aiu_hdmi_of_xlate_dai_name(struct snd_soc_component *component,
const struct of_phandle_args *args,
const char **dai_name)
{
return aiu_of_xlate_dai_name(component, args, dai_name, AIU_HDMI);
}
static const struct snd_soc_component_driver aiu_hdmi_ctrl_component = {
.name = "AIU HDMI Codec Control",
.dapm_widgets = aiu_hdmi_ctrl_widgets,
.num_dapm_widgets = ARRAY_SIZE(aiu_hdmi_ctrl_widgets),
.dapm_routes = aiu_hdmi_ctrl_routes,
.num_dapm_routes = ARRAY_SIZE(aiu_hdmi_ctrl_routes),
.of_xlate_dai_name = aiu_hdmi_of_xlate_dai_name,
.endianness = 1,
.non_legacy_dai_naming = 1,
#ifdef CONFIG_DEBUG_FS
.debugfs_prefix = "hdmi",
#endif
};
int aiu_hdmi_ctrl_register_component(struct device *dev)
{
return snd_soc_register_component(dev, &aiu_hdmi_ctrl_component,
aiu_hdmi_ctrl_dai_drv,
ARRAY_SIZE(aiu_hdmi_ctrl_dai_drv));
}
|
