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1// SPDX-License-Identifier: GPL-2.02//3// Copyright(c) 2021-2022 Intel Corporation4//5// Author: Cezary Rojewski <cezary.rojewski@intel.com>6//7 8#include <sound/soc.h>9#include <sound/hda_codec.h>10#include "hda.h"11 12static int hda_codec_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)13{14 struct hda_pcm_stream *stream_info;15 struct hda_codec *codec;16 struct hda_pcm *pcm;17 int ret;18 19 codec = dev_to_hda_codec(dai->dev);20 stream_info = snd_soc_dai_get_dma_data(dai, substream);21 pcm = container_of(stream_info, struct hda_pcm, stream[substream->stream]);22 23 dev_dbg(dai->dev, "open stream codec: %08x, info: %p, pcm: %p %s substream: %p\n",24 codec->core.vendor_id, stream_info, pcm, pcm->name, substream);25 26 snd_hda_codec_pcm_get(pcm);27 28 ret = stream_info->ops.open(stream_info, codec, substream);29 if (ret < 0) {30 dev_err(dai->dev, "codec open failed: %d\n", ret);31 snd_hda_codec_pcm_put(pcm);32 return ret;33 }34 35 return 0;36}37 38static void hda_codec_dai_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)39{40 struct hda_pcm_stream *stream_info;41 struct hda_codec *codec;42 struct hda_pcm *pcm;43 int ret;44 45 codec = dev_to_hda_codec(dai->dev);46 stream_info = snd_soc_dai_get_dma_data(dai, substream);47 pcm = container_of(stream_info, struct hda_pcm, stream[substream->stream]);48 49 dev_dbg(dai->dev, "close stream codec: %08x, info: %p, pcm: %p %s substream: %p\n",50 codec->core.vendor_id, stream_info, pcm, pcm->name, substream);51 52 ret = stream_info->ops.close(stream_info, codec, substream);53 if (ret < 0)54 dev_err(dai->dev, "codec close failed: %d\n", ret);55 56 snd_hda_codec_pcm_put(pcm);57}58 59static int hda_codec_dai_hw_free(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)60{61 struct hda_pcm_stream *stream_info;62 struct hda_codec *codec;63 64 codec = dev_to_hda_codec(dai->dev);65 stream_info = snd_soc_dai_get_dma_data(dai, substream);66 67 snd_hda_codec_cleanup(codec, stream_info, substream);68 69 return 0;70}71 72static int hda_codec_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)73{74 struct snd_pcm_runtime *runtime = substream->runtime;75 struct hda_pcm_stream *stream_info;76 struct hdac_stream *stream;77 struct hda_codec *codec;78 unsigned int format;79 unsigned int bits;80 int ret;81 82 codec = dev_to_hda_codec(dai->dev);83 stream = substream->runtime->private_data;84 stream_info = snd_soc_dai_get_dma_data(dai, substream);85 86 bits = snd_hdac_stream_format_bits(runtime->format, runtime->subformat,87 stream_info->maxbps);88 format = snd_hdac_stream_format(runtime->channels, bits, runtime->rate);89 90 ret = snd_hda_codec_prepare(codec, stream_info, stream->stream_tag, format, substream);91 if (ret < 0) {92 dev_err(dai->dev, "codec prepare failed: %d\n", ret);93 return ret;94 }95 96 return 0;97}98 99const struct snd_soc_dai_ops snd_soc_hda_codec_dai_ops = {100 .startup = hda_codec_dai_startup,101 .shutdown = hda_codec_dai_shutdown,102 .hw_free = hda_codec_dai_hw_free,103 .prepare = hda_codec_dai_prepare,104};105EXPORT_SYMBOL_GPL(snd_soc_hda_codec_dai_ops);106