@@ -712,3 +712,117 @@ int skl_bind_unbind_modules(struct skl_sst *ctx, struct skl_module_cfg
else
return skl_unbind_modules(ctx, src_module, dst_module);
}
+
+static int skl_set_pipe_state(struct skl_sst *ctx, struct skl_pipe *pipe,
+ enum skl_pipe_state state)
+{
+ dev_dbg(ctx->dev, "%s: pipe_satate = %d\n", __func__, state);
+
+ return skl_ipc_set_pipeline_state(&ctx->ipc, pipe->ppl_id, state);
+}
+
+/*
+ * Creates pipeline, by sending IPC messages to FW
+ */
+int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(ctx->dev, "%s: pipe_id = %d\n", __func__, pipe->ppl_id);
+
+ ret = skl_ipc_create_pipeline(&ctx->ipc, pipe->memory_pages,
+ pipe->pipe_priority, pipe->ppl_id);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to create pipeline\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_CREATED;
+
+ return 0;
+}
+
+/*
+ * Sets pipe state to RUNNING
+ */
+int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
+
+ /* If pipe was not created in FW, do not try to pause or delete */
+ if (pipe->state < SKL_PIPE_CREATED)
+ return 0;
+
+ /* Pipe has to be paused before it is started */
+ ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to pause pipe\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_PAUSED;
+
+ ret = skl_set_pipe_state(ctx, pipe, PPL_RUNNING);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to start pipe\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_STARTED;
+
+ return 0;
+}
+
+/*
+ * Sets pipe state to PAUSED in FW, stops DMA engines and releases resources
+ */
+int skl_delete_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(ctx->dev, "%s: pipe = %d\n", __func__, pipe->ppl_id);
+
+ /* If pipe is not started, do not try to stop the pipe in FW. */
+ if (pipe->state > SKL_PIPE_STARTED) {
+ ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to stop pipeline\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_PAUSED;
+ } else {
+ /* If pipe was not created in FW, do not try to delete it */
+ if (pipe->state < SKL_PIPE_CREATED)
+ return 0;
+
+ ret = skl_ipc_delete_pipeline(&ctx->ipc, pipe->ppl_id);
+ if (ret < 0)
+ dev_err(ctx->dev, "Failed to delete pipeline\n");
+ }
+
+ return ret;
+}
+
+int skl_stop_pipe(struct skl_sst *ctx, struct skl_pipe *pipe)
+{
+ int ret;
+
+ dev_dbg(ctx->dev, "In %s pipe=%d\n", __func__, pipe->ppl_id);
+
+ /* If pipe was not created in FW, do not try to pause or delete */
+ if (pipe->state < SKL_PIPE_PAUSED)
+ return 0;
+
+ ret = skl_set_pipe_state(ctx, pipe, PPL_PAUSED);
+ if (ret < 0) {
+ dev_dbg(ctx->dev, "Failed to stop pipe\n");
+ return ret;
+ }
+
+ pipe->state = SKL_PIPE_CREATED;
+
+ return 0;
+}
@@ -263,6 +263,11 @@ struct skl_module_cfg {
struct skl_specific_cfg formats_config;
};
+int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe);
+int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);
+int skl_pause_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);
+int skl_delete_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);
+int skl_stop_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);
int skl_init_module(struct skl_sst *ctx, struct skl_module_cfg *module_config,
char *param);
int skl_bind_unbind_modules(struct skl_sst *ctx, struct skl_module_cfg