xref: /linux/sound/soc/sdw_utils/soc_sdw_rt700.c (revision cdd30ebb1b9f36159d66f088b61aee264e649d7a)
1 // SPDX-License-Identifier: GPL-2.0-only
2 // This file incorporates work covered by the following copyright notice:
3 // Copyright (c) 2020 Intel Corporation
4 // Copyright (c) 2024 Advanced Micro Devices, Inc.
5 
6 /*
7  *  soc_sdw_rt700 - Helpers to handle RT700 from generic machine driver
8  */
9 
10 #include <linux/device.h>
11 #include <linux/errno.h>
12 #include <linux/input.h>
13 #include <sound/control.h>
14 #include <sound/soc.h>
15 #include <sound/soc-acpi.h>
16 #include <sound/soc-dapm.h>
17 #include <sound/jack.h>
18 #include <sound/soc_sdw_utils.h>
19 
20 static const struct snd_soc_dapm_route rt700_map[] = {
21 	/* Headphones */
22 	{ "Headphones", NULL, "rt700 HP" },
23 	{ "Speaker", NULL, "rt700 SPK" },
24 	{ "rt700 MIC2", NULL, "AMIC" },
25 };
26 
27 static struct snd_soc_jack_pin rt700_jack_pins[] = {
28 	{
29 		.pin    = "Headphones",
30 		.mask   = SND_JACK_HEADPHONE,
31 	},
32 	{
33 		.pin    = "AMIC",
34 		.mask   = SND_JACK_MICROPHONE,
35 	},
36 };
37 
asoc_sdw_rt700_rtd_init(struct snd_soc_pcm_runtime * rtd,struct snd_soc_dai * dai)38 int asoc_sdw_rt700_rtd_init(struct snd_soc_pcm_runtime *rtd, struct snd_soc_dai *dai)
39 {
40 	struct snd_soc_card *card = rtd->card;
41 	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
42 	struct snd_soc_component *component;
43 	struct snd_soc_jack *jack;
44 	int ret;
45 
46 	component = dai->component;
47 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
48 					  "%s hs:rt700",
49 					  card->components);
50 	if (!card->components)
51 		return -ENOMEM;
52 
53 	ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map,
54 				      ARRAY_SIZE(rt700_map));
55 
56 	if (ret) {
57 		dev_err(card->dev, "rt700 map addition failed: %d\n", ret);
58 		return ret;
59 	}
60 
61 	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
62 					 SND_JACK_HEADSET | SND_JACK_BTN_0 |
63 					 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
64 					 SND_JACK_BTN_3,
65 					 &ctx->sdw_headset,
66 					 rt700_jack_pins,
67 					 ARRAY_SIZE(rt700_jack_pins));
68 	if (ret) {
69 		dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
70 			ret);
71 		return ret;
72 	}
73 
74 	jack = &ctx->sdw_headset;
75 
76 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
77 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
78 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
79 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
80 
81 	ret = snd_soc_component_set_jack(component, jack, NULL);
82 	if (ret)
83 		dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
84 			ret);
85 
86 	return ret;
87 }
88 EXPORT_SYMBOL_NS(asoc_sdw_rt700_rtd_init, "SND_SOC_SDW_UTILS");
89