130 lines
3.2 KiB
C
130 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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// Copyright (c) 2020 Intel Corporation
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/*
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* sof_sdw_rt700 - Helpers to handle RT700 from generic machine driver
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*/
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#include <linux/device.h>
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#include <linux/errno.h>
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#include <linux/input.h>
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#include <sound/control.h>
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#include <sound/soc.h>
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#include <sound/soc-acpi.h>
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#include <sound/soc-dapm.h>
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#include <sound/jack.h>
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#include "sof_sdw_common.h"
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static const struct snd_soc_dapm_widget rt700_widgets[] = {
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SND_SOC_DAPM_HP("Headphones", NULL),
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SND_SOC_DAPM_MIC("AMIC", NULL),
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SND_SOC_DAPM_SPK("Speaker", NULL),
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};
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static const struct snd_soc_dapm_route rt700_map[] = {
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/* Headphones */
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{ "Headphones", NULL, "rt700 HP" },
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{ "Speaker", NULL, "rt700 SPK" },
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{ "rt700 MIC2", NULL, "AMIC" },
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};
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static const struct snd_kcontrol_new rt700_controls[] = {
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SOC_DAPM_PIN_SWITCH("Headphones"),
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SOC_DAPM_PIN_SWITCH("AMIC"),
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SOC_DAPM_PIN_SWITCH("Speaker"),
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};
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static struct snd_soc_jack_pin rt700_jack_pins[] = {
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{
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.pin = "Headphones",
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.mask = SND_JACK_HEADPHONE,
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},
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{
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.pin = "AMIC",
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.mask = SND_JACK_MICROPHONE,
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},
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};
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static int rt700_rtd_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_card *card = rtd->card;
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struct mc_private *ctx = snd_soc_card_get_drvdata(card);
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struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
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struct snd_soc_component *component = codec_dai->component;
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struct snd_soc_jack *jack;
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int ret;
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card->components = devm_kasprintf(card->dev, GFP_KERNEL,
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"%s hs:rt700",
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card->components);
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if (!card->components)
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return -ENOMEM;
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ret = snd_soc_add_card_controls(card, rt700_controls,
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ARRAY_SIZE(rt700_controls));
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if (ret) {
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dev_err(card->dev, "rt700 controls addition failed: %d\n", ret);
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return ret;
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}
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ret = snd_soc_dapm_new_controls(&card->dapm, rt700_widgets,
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ARRAY_SIZE(rt700_widgets));
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if (ret) {
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dev_err(card->dev, "rt700 widgets addition failed: %d\n", ret);
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return ret;
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}
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ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map,
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ARRAY_SIZE(rt700_map));
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if (ret) {
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dev_err(card->dev, "rt700 map addition failed: %d\n", ret);
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return ret;
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}
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ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
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SND_JACK_HEADSET | SND_JACK_BTN_0 |
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SND_JACK_BTN_1 | SND_JACK_BTN_2 |
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SND_JACK_BTN_3,
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&ctx->sdw_headset,
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rt700_jack_pins,
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ARRAY_SIZE(rt700_jack_pins));
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if (ret) {
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dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
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ret);
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return ret;
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}
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jack = &ctx->sdw_headset;
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snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
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snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
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ret = snd_soc_component_set_jack(component, jack, NULL);
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if (ret)
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dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
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ret);
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return ret;
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}
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int sof_sdw_rt700_init(struct snd_soc_card *card,
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const struct snd_soc_acpi_link_adr *link,
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struct snd_soc_dai_link *dai_links,
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struct sof_sdw_codec_info *info,
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bool playback)
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{
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/*
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* headset should be initialized once.
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* Do it with dai link for playback.
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*/
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if (!playback)
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return 0;
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dai_links->init = rt700_rtd_init;
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return 0;
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}
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