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// SPDX-License-Identifier: GPL-2.0-only
// Copyright (c) 2020 Intel Corporation
//
// sof_sdw_max98373 - Helpers to handle 2x MAX98373
// codec devices from generic machine driver
#include <linux/device.h>
#include <linux/errno.h>
#include <sound/control.h>
#include <sound/soc.h>
#include <sound/soc-acpi.h>
#include <sound/soc-dapm.h>
#include "sof_sdw_common.h"
#include "sof_maxim_common.h"
static const struct snd_soc_dapm_widget mx8373_widgets[] = {
SND_SOC_DAPM_SPK("Left Spk", NULL),
SND_SOC_DAPM_SPK("Right Spk", NULL),
};
static const struct snd_kcontrol_new mx8373_controls[] = {
SOC_DAPM_PIN_SWITCH("Left Spk"),
SOC_DAPM_PIN_SWITCH("Right Spk"),
};
static int spk_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
int ret;
card->components = devm_kasprintf(card->dev, GFP_KERNEL,
"%s spk:mx8373",
card->components);
if (!card->components)
return -ENOMEM;
ret = snd_soc_add_card_controls(card, mx8373_controls,
ARRAY_SIZE(mx8373_controls));
if (ret) {
dev_err(card->dev, "mx8373 ctrls addition failed: %d\n", ret);
return ret;
}
ret = snd_soc_dapm_new_controls(&card->dapm, mx8373_widgets,
ARRAY_SIZE(mx8373_widgets));
if (ret) {
dev_err(card->dev, "mx8373 widgets addition failed: %d\n", ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes, 2);
if (ret)
dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret);
return ret;
}
static int max98373_sdw_trigger(struct snd_pcm_substream *substream, int cmd)
{
int ret;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
/* enable max98373 first */
ret = max_98373_trigger(substream, cmd);
if (ret < 0)
break;
ret = sdw_trigger(substream, cmd);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
ret = sdw_trigger(substream, cmd);
if (ret < 0)
break;
ret = max_98373_trigger(substream, cmd);
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static const struct snd_soc_ops max_98373_sdw_ops = {
.startup = sdw_startup,
.prepare = sdw_prepare,
.trigger = max98373_sdw_trigger,
.hw_free = sdw_hw_free,
.shutdown = sdw_shutdown,
};
int sof_sdw_mx8373_init(const struct snd_soc_acpi_link_adr *link,
struct snd_soc_dai_link *dai_links,
struct sof_sdw_codec_info *info,
bool playback)
{
info->amp_num++;
if (info->amp_num == 2)
dai_links->init = spk_init;
info->late_probe = true;
dai_links->ops = &max_98373_sdw_ops;
return 0;
}
int sof_sdw_mx8373_late_probe(struct snd_soc_card *card)
{
struct snd_soc_dapm_context *dapm = &card->dapm;
/* Disable Left and Right Spk pin after boot */
snd_soc_dapm_disable_pin(dapm, "Left Spk");
snd_soc_dapm_disable_pin(dapm, "Right Spk");
return snd_soc_dapm_sync(dapm);
}
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