soc_sdw_rt700.c

 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
20static 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
27static 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
38int 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 snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
42	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
43	struct snd_soc_component *component;
44	struct snd_soc_jack *jack;
45	int ret;
46
47	component = dai->component;
48	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
49					  "%s hs:rt700",
50					  card->components);
51	if (!card->components)
52		return -ENOMEM;
53
54	ret = snd_soc_dapm_add_routes(dapm, rt700_map,
55				      ARRAY_SIZE(rt700_map));
56
57	if (ret) {
58		dev_err(card->dev, "rt700 map addition failed: %d\n", ret);
59		return ret;
60	}
61
62	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
63					 SND_JACK_HEADSET | SND_JACK_BTN_0 |
64					 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
65					 SND_JACK_BTN_3,
66					 &ctx->sdw_headset,
67					 rt700_jack_pins,
68					 ARRAY_SIZE(rt700_jack_pins));
69	if (ret) {
70		dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
71			ret);
72		return ret;
73	}
74
75	jack = &ctx->sdw_headset;
76
77	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
78	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
79	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
80	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
81
82	ret = snd_soc_component_set_jack(component, jack, NULL);
83	if (ret)
84		dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
85			ret);
86
87	return ret;
88}
89EXPORT_SYMBOL_NS(asoc_sdw_rt700_rtd_init, "SND_SOC_SDW_UTILS");