101 static int xvip_pipeline_start_stop(struct xvip_pipeline *pipe, bool start)  in xvip_pipeline_start_stop()  argument
103 	struct xvip_dma *dma = pipe->output;  in xvip_pipeline_start_stop()
156 static int xvip_pipeline_set_stream(struct xvip_pipeline *pipe, bool on)  in xvip_pipeline_set_stream()  argument
160 	mutex_lock(&pipe->lock);  in xvip_pipeline_set_stream()
163 		if (pipe->stream_count == pipe->num_dmas - 1) {  in xvip_pipeline_set_stream()
164 			ret = xvip_pipeline_start_stop(pipe, true);  in xvip_pipeline_set_stream()
168 		pipe->stream_count++;  in xvip_pipeline_set_stream()
170 		if (--pipe->stream_count == 0)  in xvip_pipeline_set_stream()
171 			xvip_pipeline_start_stop(pipe, false);  in xvip_pipeline_set_stream()
175 	mutex_unlock(&pipe->lock);  in xvip_pipeline_set_stream()
179 static int xvip_pipeline_validate(struct xvip_pipeline *pipe,  in xvip_pipeline_validate()  argument
202 			pipe->output = dma;  in xvip_pipeline_validate()
215 	pipe->num_dmas = num_inputs + num_outputs;  in xvip_pipeline_validate()
220 static void __xvip_pipeline_cleanup(struct xvip_pipeline *pipe)  in __xvip_pipeline_cleanup()  argument
222 	pipe->num_dmas = 0;  in __xvip_pipeline_cleanup()
223 	pipe->output = NULL;  in __xvip_pipeline_cleanup()
232 static void xvip_pipeline_cleanup(struct xvip_pipeline *pipe)  in xvip_pipeline_cleanup()  argument
234 	mutex_lock(&pipe->lock);  in xvip_pipeline_cleanup()
237 	if (--pipe->use_count == 0)  in xvip_pipeline_cleanup()
238 		__xvip_pipeline_cleanup(pipe);  in xvip_pipeline_cleanup()
240 	mutex_unlock(&pipe->lock);  in xvip_pipeline_cleanup()
253 static int xvip_pipeline_prepare(struct xvip_pipeline *pipe,  in xvip_pipeline_prepare()  argument
258 	mutex_lock(&pipe->lock);  in xvip_pipeline_prepare()
261 	if (pipe->use_count == 0) {  in xvip_pipeline_prepare()
262 		ret = xvip_pipeline_validate(pipe, dma);  in xvip_pipeline_prepare()
264 			__xvip_pipeline_cleanup(pipe);  in xvip_pipeline_prepare()
269 	pipe->use_count++;  in xvip_pipeline_prepare()
273 	mutex_unlock(&pipe->lock);  in xvip_pipeline_prepare()
390 	struct xvip_pipeline *pipe;  in xvip_dma_start_streaming()  local
402 	pipe = dma->video.entity.pipe  in xvip_dma_start_streaming()
403 	     ? to_xvip_pipeline(&dma->video.entity) : &dma->pipe;  in xvip_dma_start_streaming()
405 	ret = media_entity_pipeline_start(&dma->video.entity, &pipe->pipe);  in xvip_dma_start_streaming()
416 	ret = xvip_pipeline_prepare(pipe, dma);  in xvip_dma_start_streaming()
426 	xvip_pipeline_set_stream(pipe, true);  in xvip_dma_start_streaming()
448 	struct xvip_pipeline *pipe = to_xvip_pipeline(&dma->video.entity);  in xvip_dma_stop_streaming()  local
452 	xvip_pipeline_set_stream(pipe, false);  in xvip_dma_stop_streaming()
458 	xvip_pipeline_cleanup(pipe);  in xvip_dma_stop_streaming()
662 	mutex_init(&dma->pipe.lock);  in xvip_dma_init()
765 	mutex_destroy(&dma->pipe.lock);  in xvip_dma_cleanup()