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
|
// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2020 Intel Corporation
/*
* sof_sdw_rt711 - Helpers to handle RT711 from generic machine driver
*/
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/input.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include <sound/control.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include "sof_sdw_common.h"
/*
* Note this MUST be called before snd_soc_register_card(), so that the props
* are in place before the codec component driver's probe function parses them.
*/
static int rt711_add_codec_device_props(const char *sdw_dev_name)
{
struct property_entry props[MAX_NO_PROPS] = {};
struct device *sdw_dev;
int ret;
sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, sdw_dev_name);
if (!sdw_dev)
return -EPROBE_DEFER;
if (SOF_RT711_JDSRC(sof_sdw_quirk)) {
props[0] = PROPERTY_ENTRY_U32("realtek,jd-src",
SOF_RT711_JDSRC(sof_sdw_quirk));
}
ret = device_add_properties(sdw_dev, props);
put_device(sdw_dev);
return ret;
}
static const struct snd_soc_dapm_widget rt711_widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
};
static const struct snd_soc_dapm_route rt711_map[] = {
/* Headphones */
{ "Headphone", NULL, "rt711 HP" },
{ "rt711 MIC2", NULL, "Headset Mic" },
};
static const struct snd_kcontrol_new rt711_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
};
static struct snd_soc_jack_pin rt711_jack_pins[] = {
{
.pin = "Headphone",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
static int rt711_rtd_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
struct mc_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
struct snd_soc_component *component = codec_dai->component;
struct snd_soc_jack *jack;
int ret;
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
"%s hs:rt711",
card->components);
if (!card->components)
return -ENOMEM;
ret = snd_soc_add_card_controls(card, rt711_controls,
ARRAY_SIZE(rt711_controls));
if (ret) {
dev_err(card->dev, "rt711 controls addition failed: %d\n", ret);
return ret;
}
ret = snd_soc_dapm_new_controls(&card->dapm, rt711_widgets,
ARRAY_SIZE(rt711_widgets));
if (ret) {
dev_err(card->dev, "rt711 widgets addition failed: %d\n", ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, rt711_map,
ARRAY_SIZE(rt711_map));
if (ret) {
dev_err(card->dev, "rt711 map addition failed: %d\n", ret);
return ret;
}
ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_BTN_0 |
SND_JACK_BTN_1 | SND_JACK_BTN_2 |
SND_JACK_BTN_3,
&ctx->sdw_headset,
rt711_jack_pins,
ARRAY_SIZE(rt711_jack_pins));
if (ret) {
dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
ret);
return ret;
}
jack = &ctx->sdw_headset;
snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
ret = snd_soc_component_set_jack(component, jack, NULL);
if (ret)
dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
ret);
return ret;
}
int sof_sdw_rt711_exit(struct device *dev, struct snd_soc_dai_link *dai_link)
{
struct device *sdw_dev;
sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL,
dai_link->codecs[0].name);
if (!sdw_dev)
return -EINVAL;
device_remove_properties(sdw_dev);
put_device(sdw_dev);
return 0;
}
int sof_sdw_rt711_init(const struct snd_soc_acpi_link_adr *link,
struct snd_soc_dai_link *dai_links,
struct sof_sdw_codec_info *info,
bool playback)
{
int ret;
/*
* headset should be initialized once.
* Do it with dai link for playback.
*/
if (!playback)
return 0;
ret = rt711_add_codec_device_props(dai_links->codecs[0].name);
if (ret < 0)
return ret;
dai_links->init = rt711_rtd_init;
return 0;
}
|
