mirror of https://github.com/thesofproject/sof.git
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
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// SPDX-License-Identifier: BSD-3-Clause
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//
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// Copyright(c) 2019 Intel Corporation. All rights reserved.
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//
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// Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
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/* Topology parser */
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <errno.h>
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#include <string.h>
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#include <ipc/topology.h>
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#include <sof/lib/uuid.h>
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#include <sof/ipc/topology.h>
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#include <kernel/header.h>
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#include <tplg_parser/topology.h>
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#include <tplg_parser/tokens.h>
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/* load pipeline graph DAPM widget*/
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int tplg_create_graph(int num_comps, int pipeline_id,
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struct comp_info *temp_comp_list, char *pipeline_string,
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struct sof_ipc_pipe_comp_connect *connection, FILE *file,
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int route_num, int count)
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{
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struct snd_soc_tplg_dapm_graph_elem *graph_elem;
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char *source = NULL, *sink = NULL;
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int j, ret = 0;
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size_t size;
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/* configure route */
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connection->hdr.size = sizeof(*connection);
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connection->hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_CONNECT;
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/* allocate memory for graph elem */
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size = sizeof(struct snd_soc_tplg_dapm_graph_elem);
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graph_elem = (struct snd_soc_tplg_dapm_graph_elem *)malloc(size);
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if (!graph_elem) {
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fprintf(stderr, "error: mem alloc\n");
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return -errno;
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}
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/* set up component connections */
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connection->source_id = -1;
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connection->sink_id = -1;
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size = sizeof(struct snd_soc_tplg_dapm_graph_elem);
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ret = fread(graph_elem, size, 1, file);
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if (ret != 1) {
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free(graph_elem);
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return -EINVAL;
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}
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/* look up component id from the component list */
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for (j = 0; j < num_comps; j++) {
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if (strcmp(temp_comp_list[j].name,
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graph_elem->source) == 0) {
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connection->source_id = temp_comp_list[j].id;
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source = graph_elem->source;
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}
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if (strcmp(temp_comp_list[j].name,
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graph_elem->sink) == 0) {
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connection->sink_id = temp_comp_list[j].id;
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sink = graph_elem->sink;
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}
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}
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if (!source || !sink) {
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fprintf(stderr, "%s() error: source=%p, sink=%p\n",
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__func__, source, sink);
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free(graph_elem);
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return -EINVAL;
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}
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printf("loading route %s -> %s\n", source, sink);
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strcat(pipeline_string, graph_elem->source);
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strcat(pipeline_string, "->");
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if (route_num == (count - 1)) {
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strcat(pipeline_string, graph_elem->sink);
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strcat(pipeline_string, "\n");
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}
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free(graph_elem);
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return 0;
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}
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