1// SPDX-License-Identifier: GPL-2.0-only
2// Copyright (c) 2020 Intel Corporation
3
4/*
5 *  sof_sdw_rt700 - Helpers to handle RT700 from generic machine driver
6 */
7
8#include <linux/device.h>
9#include <linux/errno.h>
10#include <linux/input.h>
11#include <sound/control.h>
12#include <sound/soc.h>
13#include <sound/soc-acpi.h>
14#include <sound/soc-dapm.h>
15#include <sound/jack.h>
16#include "sof_board_helpers.h"
17#include "sof_sdw_common.h"
18
19static const struct snd_soc_dapm_widget rt700_widgets[] = {
20	SND_SOC_DAPM_HP("Headphones", NULL),
21	SND_SOC_DAPM_MIC("AMIC", NULL),
22	SND_SOC_DAPM_SPK("Speaker", NULL),
23};
24
25static const struct snd_soc_dapm_route rt700_map[] = {
26	/* Headphones */
27	{ "Headphones", NULL, "rt700 HP" },
28	{ "Speaker", NULL, "rt700 SPK" },
29	{ "rt700 MIC2", NULL, "AMIC" },
30};
31
32static const struct snd_kcontrol_new rt700_controls[] = {
33	SOC_DAPM_PIN_SWITCH("Headphones"),
34	SOC_DAPM_PIN_SWITCH("AMIC"),
35	SOC_DAPM_PIN_SWITCH("Speaker"),
36};
37
38static struct snd_soc_jack_pin rt700_jack_pins[] = {
39	{
40		.pin    = "Headphones",
41		.mask   = SND_JACK_HEADPHONE,
42	},
43	{
44		.pin    = "AMIC",
45		.mask   = SND_JACK_MICROPHONE,
46	},
47};
48
49static const char * const jack_codecs[] = {
50	"rt700"
51};
52
53int rt700_rtd_init(struct snd_soc_pcm_runtime *rtd)
54{
55	struct snd_soc_card *card = rtd->card;
56	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
57	struct snd_soc_dai *codec_dai;
58	struct snd_soc_component *component;
59	struct snd_soc_jack *jack;
60	int ret;
61
62	codec_dai = get_codec_dai_by_name(rtd, jack_codecs, ARRAY_SIZE(jack_codecs));
63	if (!codec_dai)
64		return -EINVAL;
65
66	component = codec_dai->component;
67	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
68					  "%s hs:rt700",
69					  card->components);
70	if (!card->components)
71		return -ENOMEM;
72
73	ret = snd_soc_add_card_controls(card, rt700_controls,
74					ARRAY_SIZE(rt700_controls));
75	if (ret) {
76		dev_err(card->dev, "rt700 controls addition failed: %d\n", ret);
77		return ret;
78	}
79
80	ret = snd_soc_dapm_new_controls(&card->dapm, rt700_widgets,
81					ARRAY_SIZE(rt700_widgets));
82	if (ret) {
83		dev_err(card->dev, "rt700 widgets addition failed: %d\n", ret);
84		return ret;
85	}
86
87	ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map,
88				      ARRAY_SIZE(rt700_map));
89
90	if (ret) {
91		dev_err(card->dev, "rt700 map addition failed: %d\n", ret);
92		return ret;
93	}
94
95	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
96					 SND_JACK_HEADSET | SND_JACK_BTN_0 |
97					 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
98					 SND_JACK_BTN_3,
99					 &ctx->sdw_headset,
100					 rt700_jack_pins,
101					 ARRAY_SIZE(rt700_jack_pins));
102	if (ret) {
103		dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
104			ret);
105		return ret;
106	}
107
108	jack = &ctx->sdw_headset;
109
110	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
111	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
112	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
113	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
114
115	ret = snd_soc_component_set_jack(component, jack, NULL);
116	if (ret)
117		dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
118			ret);
119
120	return ret;
121}
122MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS);
123