mirror of
https://github.com/alsa-project/alsa-utils
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140 lines
3.9 KiB
C
140 lines
3.9 KiB
C
/*
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Copyright(c) 2021 Intel Corporation
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All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution
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in the file called LICENSE.GPL.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <alsa/input.h>
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#include <alsa/output.h>
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#include <alsa/conf.h>
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#include <alsa/error.h>
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#include "topology.h"
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#include "pre-processor.h"
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int tplg_build_hw_cfg_object(struct tplg_pre_processor *tplg_pp,
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snd_config_t *obj_cfg, snd_config_t *parent)
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{
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snd_config_t *hw_cfg, *obj;
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const char *name;
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int ret;
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obj = tplg_object_get_instance_config(tplg_pp, obj_cfg);
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name = tplg_object_get_name(tplg_pp, obj);
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if (!name)
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return -EINVAL;
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ret = tplg_build_object_from_template(tplg_pp, obj_cfg, &hw_cfg, NULL, false);
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if (ret < 0)
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return ret;
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return tplg_parent_update(tplg_pp, parent, "hw_configs", name);
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}
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int tplg_build_fe_dai_object(struct tplg_pre_processor *tplg_pp, snd_config_t *obj_cfg,
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snd_config_t *parent)
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{
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return tplg_build_base_object(tplg_pp, obj_cfg, parent, false);
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}
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static int tplg_update_pcm_object(struct tplg_pre_processor *tplg_pp,
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snd_config_t *obj_cfg, snd_config_t *parent)
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{
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snd_config_t *top, *parent_obj, *obj, *dest, *cfg, *pcm, *child;
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const char *parent_name, *item_name, *direction;
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int ret;
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/* get object name */
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obj = tplg_object_get_instance_config(tplg_pp, obj_cfg);
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item_name = tplg_object_get_name(tplg_pp, obj);
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if (!item_name)
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return -EINVAL;
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/* get direction */
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ret = snd_config_search(obj, "direction", &cfg);
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if (ret < 0) {
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SNDERR("no direction attribute in %s\n", item_name);
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return ret;
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}
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ret = snd_config_get_string(cfg, &direction);
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if (ret < 0) {
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SNDERR("Invalid direction attribute in %s\n", item_name);
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return ret;
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}
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/* add to parent section */
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top = tplg_object_get_section(tplg_pp, parent);
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if (!top) {
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SNDERR("Cannot find parent for %s\n", item_name);
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return -EINVAL;
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}
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parent_obj = tplg_object_get_instance_config(tplg_pp, parent);
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/* get parent name. if parent has no name, skip adding config */
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parent_name = tplg_object_get_name(tplg_pp, parent_obj);
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if (!parent_name)
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return 0;
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/* find parent config with name */
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dest = tplg_find_config(top, parent_name);
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if (!dest) {
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SNDERR("Cannot find parent section %s\n", parent_name);
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return -EINVAL;
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}
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ret = snd_config_search(dest, "pcm", &pcm);
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if (ret < 0) {
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ret = tplg_config_make_add(&pcm, "pcm", SND_CONFIG_TYPE_COMPOUND, dest);
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if (ret < 0) {
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SNDERR("Error creating pcm config in %s\n", parent_name);
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return ret;
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}
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}
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ret = snd_config_search(pcm, direction, &cfg);
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if (ret >= 0) {
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SNDERR("pcm.%s exists already in %s\n", direction, parent_name);
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return -EEXIST;
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}
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ret = tplg_config_make_add(&cfg, direction, SND_CONFIG_TYPE_COMPOUND, pcm);
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if (ret >= 0)
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ret = tplg_config_make_add(&child, "capabilities", SND_CONFIG_TYPE_STRING, cfg);
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if (ret >= 0)
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ret = snd_config_set_string(child, item_name);
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return ret;
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}
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int tplg_build_pcm_caps_object(struct tplg_pre_processor *tplg_pp,
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snd_config_t *obj_cfg, snd_config_t *parent)
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{
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snd_config_t *caps;
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int ret;
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ret = tplg_build_object_from_template(tplg_pp, obj_cfg, &caps, NULL, false);
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if (ret < 0)
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return ret;
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/* add pcm capabilities to parent */
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return tplg_update_pcm_object(tplg_pp, obj_cfg, parent);
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}
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