xref: /linux/sound/soc/intel/boards/sof_sdw_rt722_sdca.c (revision eeb9f5c2dcec90009d7cf12e780e7f9631993fc5)
1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2023 Intel Corporation
3 
4 /*
5  *  sof_sdw_rt722_sdca - Helpers to handle RT722-SDCA from generic machine driver
6  */
7 
8 #include <linux/device.h>
9 #include <linux/errno.h>
10 #include <linux/soundwire/sdw.h>
11 #include <linux/soundwire/sdw_type.h>
12 #include <sound/control.h>
13 #include <sound/soc.h>
14 #include <sound/soc-acpi.h>
15 #include <sound/soc-dapm.h>
16 #include "sof_sdw_common.h"
17 
18 static const struct snd_soc_dapm_widget rt722_spk_widgets[] = {
19 	SND_SOC_DAPM_SPK("Speaker", NULL),
20 };
21 
22 static const struct snd_soc_dapm_route rt722_spk_map[] = {
23 	{ "Speaker", NULL, "rt722 SPK" },
24 };
25 
26 static const struct snd_kcontrol_new rt722_spk_controls[] = {
27 	SOC_DAPM_PIN_SWITCH("Speaker"),
28 };
29 
30 static int rt722_spk_init(struct snd_soc_pcm_runtime *rtd)
31 {
32 	struct snd_soc_card *card = rtd->card;
33 	int ret;
34 
35 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
36 					  "%s spk:rt722",
37 					  card->components);
38 	if (!card->components)
39 		return -ENOMEM;
40 
41 	ret = snd_soc_add_card_controls(card, rt722_spk_controls,
42 					ARRAY_SIZE(rt722_spk_controls));
43 	if (ret) {
44 		dev_err(card->dev, "failed to add rt722 spk controls: %d\n", ret);
45 		return ret;
46 	}
47 
48 	ret = snd_soc_dapm_new_controls(&card->dapm, rt722_spk_widgets,
49 					ARRAY_SIZE(rt722_spk_widgets));
50 	if (ret) {
51 		dev_err(card->dev, "failed to add rt722 spk widgets: %d\n", ret);
52 		return ret;
53 	}
54 
55 	ret = snd_soc_dapm_add_routes(&card->dapm, rt722_spk_map, ARRAY_SIZE(rt722_spk_map));
56 	if (ret)
57 		dev_err(rtd->dev, "failed to add rt722 spk map: %d\n", ret);
58 
59 	return ret;
60 }
61 
62 int sof_sdw_rt722_spk_init(struct snd_soc_card *card,
63 			   const struct snd_soc_acpi_link_adr *link,
64 			   struct snd_soc_dai_link *dai_links,
65 			   struct sof_sdw_codec_info *info,
66 			   bool playback)
67 {
68 	dai_links->init = rt722_spk_init;
69 
70 	return 0;
71 }
72 
73 static int rt722_sdca_dmic_rtd_init(struct snd_soc_pcm_runtime *rtd)
74 {
75 	struct snd_soc_card *card = rtd->card;
76 	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
77 	struct snd_soc_component *component = codec_dai->component;
78 
79 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
80 					  "%s mic:%s",
81 					  card->components, component->name_prefix);
82 	if (!card->components)
83 		return -ENOMEM;
84 
85 	return 0;
86 }
87 
88 int sof_sdw_rt722_sdca_dmic_init(struct snd_soc_card *card,
89 				 const struct snd_soc_acpi_link_adr *link,
90 				 struct snd_soc_dai_link *dai_links,
91 				 struct sof_sdw_codec_info *info,
92 				 bool playback)
93 {
94 	dai_links->init = rt722_sdca_dmic_rtd_init;
95 
96 	return 0;
97 }
98