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// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2020 Intel Corporation. All rights reserved.
#include <linux/string.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
#include <sound/soc-dapm.h>
#include <uapi/sound/asound.h>
#include "sof_maxim_common.h"
#define MAX_98373_PIN_NAME 16
const struct snd_soc_dapm_route max_98373_dapm_routes[] = {
/* speaker */
{ "Left Spk", NULL, "Left BE_OUT" },
{ "Right Spk", NULL, "Right BE_OUT" },
};
static struct snd_soc_codec_conf max_98373_codec_conf[] = {
{
.dlc = COMP_CODEC_CONF(MAX_98373_DEV0_NAME),
.name_prefix = "Right",
},
{
.dlc = COMP_CODEC_CONF(MAX_98373_DEV1_NAME),
.name_prefix = "Left",
},
};
struct snd_soc_dai_link_component max_98373_components[] = {
{ /* For Right */
.name = MAX_98373_DEV0_NAME,
.dai_name = MAX_98373_CODEC_DAI,
},
{ /* For Left */
.name = MAX_98373_DEV1_NAME,
.dai_name = MAX_98373_CODEC_DAI,
},
};
static int max98373_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai;
int j;
for_each_rtd_codec_dais(rtd, j, codec_dai) {
if (!strcmp(codec_dai->component->name, MAX_98373_DEV0_NAME)) {
/* DEV0 tdm slot configuration */
snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 8, 32);
}
if (!strcmp(codec_dai->component->name, MAX_98373_DEV1_NAME)) {
/* DEV1 tdm slot configuration */
snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 8, 32);
}
}
return 0;
}
int max98373_trigger(struct snd_pcm_substream *substream, int cmd)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_dai *codec_dai;
struct snd_soc_dai *cpu_dai;
int j;
int ret = 0;
/* set spk pin by playback only */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return 0;
cpu_dai = asoc_rtd_to_cpu(rtd, 0);
for_each_rtd_codec_dais(rtd, j, codec_dai) {
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(cpu_dai->component);
char pin_name[MAX_98373_PIN_NAME];
snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk",
codec_dai->component->name_prefix);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
ret = snd_soc_dapm_enable_pin(dapm, pin_name);
if (!ret)
snd_soc_dapm_sync(dapm);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
ret = snd_soc_dapm_disable_pin(dapm, pin_name);
if (!ret)
snd_soc_dapm_sync(dapm);
break;
default:
break;
}
}
return ret;
}
struct snd_soc_ops max_98373_ops = {
.hw_params = max98373_hw_params,
.trigger = max98373_trigger,
};
int max98373_spk_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
int ret;
ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes,
ARRAY_SIZE(max_98373_dapm_routes));
if (ret)
dev_err(rtd->dev, "Speaker map addition failed: %d\n", ret);
return ret;
}
void sof_max98373_codec_conf(struct snd_soc_card *card)
{
card->codec_conf = max_98373_codec_conf;
card->num_configs = ARRAY_SIZE(max_98373_codec_conf);
}
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