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// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2023 Intel Corporation
/*
* sof_sdw_cs42l42 - Helpers to handle CS42L42 from generic machine driver
*/
#include <linux/device.h>
#include <linux/errno.h>
#include <linux/input.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include <sound/control.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include <sound/jack.h>
#include "sof_sdw_common.h"
static const struct snd_soc_dapm_widget cs42l42_widgets[] = {
SND_SOC_DAPM_HP("Headphone", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
};
static const struct snd_soc_dapm_route cs42l42_map[] = {
/* HP jack connectors - unknown if we have jack detection */
{"Headphone", NULL, "cs42l42 HP"},
/* other jacks */
{"cs42l42 HS", NULL, "Headset Mic"},
};
static const struct snd_kcontrol_new cs42l42_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
};
static struct snd_soc_jack_pin cs42l42_jack_pins[] = {
{
.pin = "Headphone",
.mask = SND_JACK_HEADPHONE,
},
{
.pin = "Headset Mic",
.mask = SND_JACK_MICROPHONE,
},
};
static int cs42l42_rtd_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
struct mc_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
struct snd_soc_component *component = codec_dai->component;
struct snd_soc_jack *jack;
int ret;
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
"%s hs:cs42l42",
card->components);
if (!card->components)
return -ENOMEM;
ret = snd_soc_add_card_controls(card, cs42l42_controls,
ARRAY_SIZE(cs42l42_controls));
if (ret) {
dev_err(card->dev, "cs42l42 control addition failed: %d\n", ret);
return ret;
}
ret = snd_soc_dapm_new_controls(&card->dapm, cs42l42_widgets,
ARRAY_SIZE(cs42l42_widgets));
if (ret) {
dev_err(card->dev, "cs42l42 widgets addition failed: %d\n", ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, cs42l42_map,
ARRAY_SIZE(cs42l42_map));
if (ret) {
dev_err(card->dev, "cs42l42 map addition failed: %d\n", ret);
return ret;
}
ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
SND_JACK_HEADSET | SND_JACK_BTN_0 |
SND_JACK_BTN_1 | SND_JACK_BTN_2 |
SND_JACK_BTN_3,
&ctx->sdw_headset,
cs42l42_jack_pins,
ARRAY_SIZE(cs42l42_jack_pins));
if (ret) {
dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
ret);
return ret;
}
jack = &ctx->sdw_headset;
snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
ret = snd_soc_component_set_jack(component, jack, NULL);
if (ret)
dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
ret);
return ret;
}
int sof_sdw_cs42l42_init(struct snd_soc_card *card,
const struct snd_soc_acpi_link_adr *link,
struct snd_soc_dai_link *dai_links,
struct sof_sdw_codec_info *info,
bool playback)
{
/*
* headset should be initialized once.
* Do it with dai link for playback.
*/
if (!playback)
return 0;
dai_links->init = cs42l42_rtd_init;
return 0;
}
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