summaryrefslogtreecommitdiff
path: root/sound/soc/sdw_utils/soc_sdw_cs42l43.c
blob: adb1c008e871d508a5d838196592c5b52c197a9c (plain)
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
// SPDX-License-Identifier: GPL-2.0-only
// Based on sof_sdw_rt5682.c
// This file incorporates work covered by the following copyright notice:
// Copyright (c) 2023 Intel Corporation
// Copyright (c) 2024 Advanced Micro Devices, Inc.

/*
 *  soc_sdw_cs42l43 - Helpers to handle CS42L43 from generic machine driver
 */
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/input.h>
#include <sound/jack.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include <sound/cs42l43.h>
#include <sound/control.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include <sound/soc_sdw_utils.h>

static const struct snd_soc_dapm_route cs42l43_hs_map[] = {
	{ "Headphone", NULL, "cs42l43 AMP3_OUT" },
	{ "Headphone", NULL, "cs42l43 AMP4_OUT" },
	{ "cs42l43 ADC1_IN1_P", NULL, "Headset Mic" },
	{ "cs42l43 ADC1_IN1_N", NULL, "Headset Mic" },
};

static const struct snd_soc_dapm_route cs42l43_spk_map[] = {
	{ "Speaker", NULL, "cs42l43 AMP1_OUT_P", },
	{ "Speaker", NULL, "cs42l43 AMP1_OUT_N", },
	{ "Speaker", NULL, "cs42l43 AMP2_OUT_P", },
	{ "Speaker", NULL, "cs42l43 AMP2_OUT_N", },
};

static const struct snd_soc_dapm_route cs42l43_dmic_map[] = {
	{ "cs42l43 PDM1_DIN", NULL, "DMIC" },
	{ "cs42l43 PDM2_DIN", NULL, "DMIC" },
};

static struct snd_soc_jack_pin soc_jack_pins[] = {
	{
		.pin    = "Headphone",
		.mask   = SND_JACK_HEADPHONE,
	},
	{
		.pin    = "Headset Mic",
		.mask   = SND_JACK_MICROPHONE,
	},
};

int asoc_sdw_cs42l43_hs_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
{
	struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_jack *jack = &ctx->sdw_headset;
	struct snd_soc_card *card = rtd->card;
	int ret;

	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s hs:cs42l43",
					  card->components);
	if (!card->components)
		return -ENOMEM;

	ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_hs_map,
				      ARRAY_SIZE(cs42l43_hs_map));
	if (ret) {
		dev_err(card->dev, "cs42l43 hs map addition failed: %d\n", ret);
		return ret;
	}

	ret = snd_soc_card_jack_new_pins(card, "Jack",
					 SND_JACK_MECHANICAL | SND_JACK_AVOUT |
					 SND_JACK_HEADSET | SND_JACK_LINEOUT |
					 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
					 SND_JACK_BTN_2 | SND_JACK_BTN_3,
					 jack, soc_jack_pins,
					 ARRAY_SIZE(soc_jack_pins));
	if (ret) {
		dev_err(card->dev, "Failed to create jack: %d\n", ret);
		return ret;
	}

	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(card->dev, "Failed to register jack: %d\n", ret);
		return ret;
	}

	ret = snd_soc_component_set_sysclk(component, CS42L43_SYSCLK, CS42L43_SYSCLK_SDW,
					   0, SND_SOC_CLOCK_IN);
	if (ret)
		dev_err(card->dev, "Failed to set sysclk: %d\n", ret);

	return ret;
}
EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_hs_rtd_init, SND_SOC_SDW_UTILS);

int asoc_sdw_cs42l43_spk_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
{
	struct snd_soc_card *card = rtd->card;
	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
	int ret;

	if (!(ctx->mc_quirk & SOC_SDW_SIDECAR_AMPS)) {
		/* Will be set by the bridge code in this case */
		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
						  "%s spk:cs42l43-spk",
						  card->components);
		if (!card->components)
			return -ENOMEM;
	}

	ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_spk_map,
				      ARRAY_SIZE(cs42l43_spk_map));
	if (ret)
		dev_err(card->dev, "cs42l43 speaker map addition failed: %d\n", ret);

	return ret;
}
EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_rtd_init, SND_SOC_SDW_UTILS);

int asoc_sdw_cs42l43_spk_init(struct snd_soc_card *card,
			      struct snd_soc_dai_link *dai_links,
			      struct asoc_sdw_codec_info *info,
			      bool playback)
{
	/* Do init on playback link only. */
	if (!playback)
		return 0;

	info->amp_num++;

	return asoc_sdw_bridge_cs35l56_spk_init(card, dai_links, info, playback);
}
EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_spk_init, SND_SOC_SDW_UTILS);

int asoc_sdw_cs42l43_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
{
	struct snd_soc_card *card = rtd->card;
	int ret;

	card->components = devm_kasprintf(card->dev, GFP_KERNEL, "%s mic:cs42l43-dmic",
					  card->components);
	if (!card->components)
		return -ENOMEM;

	ret = snd_soc_dapm_add_routes(&card->dapm, cs42l43_dmic_map,
				      ARRAY_SIZE(cs42l43_dmic_map));
	if (ret)
		dev_err(card->dev, "cs42l43 dmic map addition failed: %d\n", ret);

	return ret;
}
EXPORT_SYMBOL_NS(asoc_sdw_cs42l43_dmic_rtd_init, SND_SOC_SDW_UTILS);