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);