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// SPDX-License-Identifier: GPL-2.0
//
// Copyright(c) 2021-2022 Intel Corporation
//
// Author: Cezary Rojewski <cezary.rojewski@intel.com>
//
#include <sound/soc.h>
#include <sound/hda_codec.h>
#include "hda.h"
static int hda_codec_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
struct hda_pcm_stream *stream_info;
struct hda_codec *codec;
struct hda_pcm *pcm;
int ret;
codec = dev_to_hda_codec(dai->dev);
stream_info = snd_soc_dai_get_dma_data(dai, substream);
pcm = container_of(stream_info, struct hda_pcm, stream[substream->stream]);
dev_dbg(dai->dev, "open stream codec: %08x, info: %p, pcm: %p %s substream: %p\n",
codec->core.vendor_id, stream_info, pcm, pcm->name, substream);
snd_hda_codec_pcm_get(pcm);
ret = stream_info->ops.open(stream_info, codec, substream);
if (ret < 0) {
dev_err(dai->dev, "codec open failed: %d\n", ret);
snd_hda_codec_pcm_put(pcm);
return ret;
}
return 0;
}
static void hda_codec_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
struct hda_pcm_stream *stream_info;
struct hda_codec *codec;
struct hda_pcm *pcm;
int ret;
codec = dev_to_hda_codec(dai->dev);
stream_info = snd_soc_dai_get_dma_data(dai, substream);
pcm = container_of(stream_info, struct hda_pcm, stream[substream->stream]);
dev_dbg(dai->dev, "close stream codec: %08x, info: %p, pcm: %p %s substream: %p\n",
codec->core.vendor_id, stream_info, pcm, pcm->name, substream);
ret = stream_info->ops.close(stream_info, codec, substream);
if (ret < 0)
dev_err(dai->dev, "codec close failed: %d\n", ret);
snd_hda_codec_pcm_put(pcm);
}
static int hda_codec_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
struct hda_pcm_stream *stream_info;
struct hda_codec *codec;
codec = dev_to_hda_codec(dai->dev);
stream_info = snd_soc_dai_get_dma_data(dai, substream);
snd_hda_codec_cleanup(codec, stream_info, substream);
return 0;
}
static int hda_codec_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct hda_pcm_stream *stream_info;
struct hdac_stream *stream;
struct hda_codec *codec;
unsigned int format;
unsigned int bits;
int ret;
codec = dev_to_hda_codec(dai->dev);
stream = substream->runtime->private_data;
stream_info = snd_soc_dai_get_dma_data(dai, substream);
bits = snd_hdac_stream_format_bits(runtime->format, runtime->subformat,
stream_info->maxbps);
format = snd_hdac_stream_format(runtime->channels, bits, runtime->rate);
ret = snd_hda_codec_prepare(codec, stream_info, stream->stream_tag, format, substream);
if (ret < 0) {
dev_err(dai->dev, "codec prepare failed: %d\n", ret);
return ret;
}
return 0;
}
const struct snd_soc_dai_ops snd_soc_hda_codec_dai_ops = {
.startup = hda_codec_dai_startup,
.shutdown = hda_codec_dai_shutdown,
.hw_free = hda_codec_dai_hw_free,
.prepare = hda_codec_dai_prepare,
};
EXPORT_SYMBOL_GPL(snd_soc_hda_codec_dai_ops);
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