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Diffstat (limited to 'sound/soc/codecs/hda-dai.c')
-rw-r--r--sound/soc/codecs/hda-dai.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/sound/soc/codecs/hda-dai.c b/sound/soc/codecs/hda-dai.c
new file mode 100644
index 000000000000..5371ff086261
--- /dev/null
+++ b/sound/soc/codecs/hda-dai.c
@@ -0,0 +1,102 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Copyright(c) 2021-2022 Intel Corporation. All rights reserved.
+//
+// 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;
+ int ret;
+
+ codec = dev_to_hda_codec(dai->dev);
+ stream = substream->runtime->private_data;
+ stream_info = snd_soc_dai_get_dma_data(dai, substream);
+ format = snd_hdac_calc_stream_format(runtime->rate, runtime->channels, runtime->format,
+ runtime->sample_bits, 0);
+
+ 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);