// 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 = max98373_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 = max98373_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);
|
}
|
