intel/atom/sst-mfld-platform-compress.c

23 /* compress stream operations */
47 	struct sst_runtime_stream *stream;
49 	stream = kzalloc(sizeof(*stream), GFP_KERNEL);
50 	if (!stream)
53 	spin_lock_init(&stream->status_lock);
61 	stream->compr_ops = sst->compr_ops;
62 	stream->id = 0;
67 	sst_set_stream_status(stream, SST_PLATFORM_INIT);
68 	runtime->private_data = stream;
71 	kfree(stream);
78 	struct sst_runtime_stream *stream;
81 	stream = cstream->runtime->private_data;
86 	str_id = stream->id;
88 		ret_val = stream->compr_ops->close(sst->dev, str_id);
90 	kfree(stream);
99 	struct sst_runtime_stream *stream;
105 	stream = cstream->runtime->private_data;
109 	/* fill the device type and stream id to pass to SST driver */
111 	pr_debug("compr_set_params: fill stream params ret_val = 0x%x\n", retval);
159 	retval = stream->compr_ops->open(sst->dev, &str_params, &cb);
161 		pr_err("stream allocation failed %d\n", retval);
165 	stream->id = retval;
172 	struct sst_runtime_stream *stream = cstream->runtime->private_data;
176 		if (stream->compr_ops->stream_start)
177 			return stream->compr_ops->stream_start(sst->dev, stream->id);
180 		if (stream->compr_ops->stream_drop)
181 			return stream->compr_ops->stream_drop(sst->dev, stream->id);
184 		if (stream->compr_ops->stream_drain)
185 			return stream->compr_ops->stream_drain(sst->dev, stream->id);
188 		if (stream->compr_ops->stream_partial_drain)
189 			return stream->compr_ops->stream_partial_drain(sst->dev, stream->id);
192 		if (stream->compr_ops->stream_pause)
193 			return stream->compr_ops->stream_pause(sst->dev, stream->id);
196 		if (stream->compr_ops->stream_pause_release)
197 			return stream->compr_ops->stream_pause_release(sst->dev, stream->id);
207 	struct sst_runtime_stream *stream;
209 	stream  = cstream->runtime->private_data;
210 	stream->compr_ops->tstamp(sst->dev, stream->id, tstamp);
221 	struct sst_runtime_stream *stream;
223 	stream  = cstream->runtime->private_data;
224 	stream->compr_ops->ack(sst->dev, stream->id, (unsigned long)bytes);
225 	stream->bytes_written += bytes;
234 	struct sst_runtime_stream *stream =
237 	return stream->compr_ops->get_caps(caps);
244 	struct sst_runtime_stream *stream =
247 	return stream->compr_ops->get_codec_caps(codec);
254 	struct sst_runtime_stream *stream  =
257 	return stream->compr_ops->set_metadata(sst->dev, stream->id, metadata);