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