mirror of https://github.com/thesofproject/sof.git
126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
// 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 <tplg_parser/topology.h>
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#include <tplg_parser/tokens.h>
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/* load mixer dapm widget */
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int tplg_create_mixer(struct tplg_context *ctx,
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struct sof_ipc_comp_mixer *mixer, size_t max_comp_size)
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{
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struct snd_soc_tplg_vendor_array *array = NULL;
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size_t total_array_size = 0, read_size;
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FILE *file = ctx->file;
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int size = ctx->widget->priv.size;
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int comp_id = ctx->comp_id;
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char uuid[UUID_SIZE];
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int ret;
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if (max_comp_size < sizeof(struct sof_ipc_comp_mixer) + UUID_SIZE)
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return -EINVAL;
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/* allocate memory for vendor tuple array */
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array = (struct snd_soc_tplg_vendor_array *)malloc(size);
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if (!array) {
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fprintf(stderr, "error: mem alloc for src vendor array\n");
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return -errno;
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}
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/* read vendor tokens */
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while (total_array_size < size) {
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read_size = sizeof(struct snd_soc_tplg_vendor_array);
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ret = fread(array, read_size, 1, file);
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if (ret != 1) {
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free(MOVE_POINTER_BY_BYTES(array, -total_array_size));
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return -EINVAL;
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}
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/* check for array size mismatch */
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if (!is_valid_priv_size(total_array_size, size, array)) {
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fprintf(stderr, "error: load mixer array size mismatch\n");
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free(MOVE_POINTER_BY_BYTES(array, -total_array_size));
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return -EINVAL;
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}
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ret = tplg_read_array(array, file);
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if (ret) {
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fprintf(stderr, "error: read array fail\n");
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free(MOVE_POINTER_BY_BYTES(array, -total_array_size));
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return ret;
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}
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/* parse comp tokens */
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ret = sof_parse_tokens(&mixer->config, comp_tokens,
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ARRAY_SIZE(comp_tokens), array,
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array->size);
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if (ret != 0) {
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fprintf(stderr, "error: parse src comp_tokens %d\n",
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size);
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free(MOVE_POINTER_BY_BYTES(array, -total_array_size));
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return -EINVAL;
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}
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/* parse uuid token */
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ret = sof_parse_tokens(uuid, comp_ext_tokens,
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ARRAY_SIZE(comp_ext_tokens), array,
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array->size);
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if (ret != 0) {
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fprintf(stderr, "error: parse mixer uuid token %d\n", size);
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free(array);
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return -EINVAL;
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}
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total_array_size += array->size;
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/* read next array */
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array = MOVE_POINTER_BY_BYTES(array, array->size);
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}
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/* point to the start of array so it gets freed properly */
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array = MOVE_POINTER_BY_BYTES(array, -total_array_size);
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/* configure mixer */
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mixer->comp.hdr.cmd = SOF_IPC_GLB_TPLG_MSG | SOF_IPC_TPLG_COMP_NEW;
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mixer->comp.id = comp_id;
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mixer->comp.hdr.size = sizeof(struct sof_ipc_comp_src) + UUID_SIZE;
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mixer->comp.type = SOF_COMP_MIXER;
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mixer->comp.pipeline_id = ctx->pipeline_id;
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mixer->comp.ext_data_length = UUID_SIZE;
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mixer->config.hdr.size = sizeof(struct sof_ipc_comp_config);
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memcpy(mixer + 1, &uuid, UUID_SIZE);
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free(array);
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return 0;
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}
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int tplg_new_mixer(struct tplg_context *ctx, struct sof_ipc_comp *comp, size_t max_comp_size,
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struct snd_soc_tplg_ctl_hdr *rctl, size_t max_ctl_size)
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{
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struct sof_ipc_comp_mixer *mixer = (struct sof_ipc_comp_mixer *)comp;
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int ret;
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ret = tplg_create_mixer(ctx, mixer, max_comp_size);
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if (ret < 0)
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return ret;
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if (tplg_create_controls(ctx->widget->num_kcontrols, ctx->file, rctl, max_ctl_size) < 0) {
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fprintf(stderr, "error: loading controls\n");
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return -EINVAL;
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}
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return ret;
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}
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