mirror of
https://github.com/alsa-project/alsa-utils
synced 2024-12-22 13:26:32 +01:00
dfe1c7143a
We need to support older compilers than GCC 11.
Link: https://github.com/alsa-project/alsa-utils/issues/233
Fixes: 153d185
("topology: fix the verbose compilation warnings for latest gcc")
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
301 lines
7.5 KiB
C
301 lines
7.5 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 "aconfig.h"
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#include <assert.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <alsa/asoundlib.h>
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#include "topology.h"
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#include "pre-processor.h"
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bool tplg_class_is_attribute_check(const char *attr, snd_config_t *class_cfg, char *category)
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{
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snd_config_iterator_t i, next;
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snd_config_t *cfg, *n;
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int ret;
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ret = snd_config_search(class_cfg, category, &cfg);
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if (ret < 0)
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return false;
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snd_config_for_each(i, next, cfg) {
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const char *id, *s;
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n = snd_config_iterator_entry(i);
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if (snd_config_get_id(n, &id) < 0)
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continue;
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if (snd_config_get_string(n, &s) < 0)
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continue;
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if (!strcmp(attr, s))
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return true;
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}
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return false;
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}
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/* check if attribute is mandatory */
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bool tplg_class_is_attribute_mandatory(const char *attr, snd_config_t *class_cfg)
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{
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return tplg_class_is_attribute_check(attr, class_cfg, "attributes.mandatory");
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}
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/* check if attribute is immutable */
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bool tplg_class_is_attribute_immutable(const char *attr, snd_config_t *class_cfg)
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{
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return tplg_class_is_attribute_check(attr, class_cfg, "attributes.immutable");
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}
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/* check if attribute is unique */
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bool tplg_class_is_attribute_unique(const char *attr, snd_config_t *class_cfg)
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{
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snd_config_t *unique;
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const char *s;
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int ret;
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ret = snd_config_search(class_cfg, "attributes.unique", &unique);
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if (ret < 0)
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return false;
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if (snd_config_get_string(unique, &s) < 0)
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return false;
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if (!strcmp(attr, s))
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return true;
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return false;
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}
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/*
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* Helper function to look up class definition from the Object config.
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* ex: For an object declaration, Object.Widget.pga.0{}, return the config correspdonding to
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* Class.Widget.pga{}. Note that input config , "cfg" does not include the "Object" node.
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*/
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snd_config_t *tplg_class_lookup(struct tplg_pre_processor *tplg_pp, snd_config_t *cfg)
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{
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snd_config_iterator_t first, end;
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snd_config_t *class, *class_cfg = NULL;
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const char *class_type, *class_name;
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char *class_config_id;
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int ret;
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if (snd_config_get_id(cfg, &class_type) < 0)
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return NULL;
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first = snd_config_iterator_first(cfg);
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end = snd_config_iterator_end(cfg);
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if (first == end) {
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SNDERR("No class name provided for object type: %s\n", class_type);
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return NULL;
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}
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class = snd_config_iterator_entry(first);
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if (snd_config_get_id(class, &class_name) < 0)
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return NULL;
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class_config_id = tplg_snprintf("Class.%s.%s", class_type, class_name);
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if (!class_config_id)
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return NULL;
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ret = snd_config_search(tplg_pp->input_cfg, class_config_id, &class_cfg);
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if (ret < 0)
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SNDERR("No Class definition found for %s\n", class_config_id);
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free(class_config_id);
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return class_cfg;
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}
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/* find the attribute config by name in the class definition */
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snd_config_t *tplg_class_find_attribute_by_name(struct tplg_pre_processor *tplg_p ATTRIBUTE_UNUSED,
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snd_config_t *class, const char *name)
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{
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snd_config_t *attr = NULL;
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const char *class_id;
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char *attr_str;
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int ret;
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if (snd_config_get_id(class, &class_id) < 0)
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return NULL;
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attr_str = tplg_snprintf("DefineAttribute.%s", name);
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if (!attr_str)
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return NULL;
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ret = snd_config_search(class, attr_str, &attr);
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if (ret < 0)
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SNDERR("No definition for attribute '%s' in class '%s'\n",
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name, class_id);
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free(attr_str);
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return attr;
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}
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/* get the name of the attribute that must have a unique value in the object instance */
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const char *tplg_class_get_unique_attribute_name(struct tplg_pre_processor *tplg_pp ATTRIBUTE_UNUSED,
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snd_config_t *class)
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{
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snd_config_t *unique;
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const char *unique_name, *class_id;
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int ret;
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if (snd_config_get_id(class, &class_id) < 0)
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return NULL;
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ret = snd_config_search(class, "attributes.unique", &unique);
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if (ret < 0) {
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SNDERR("No unique attribute in class '%s'\n", class_id);
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return NULL;
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}
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if (snd_config_get_string(unique, &unique_name) < 0) {
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SNDERR("Invalid name for unique attribute in class '%s'\n", class_id);
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return NULL;
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}
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return unique_name;
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}
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/* get attribute type from the definition */
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snd_config_type_t tplg_class_get_attribute_type(struct tplg_pre_processor *tplg_pp ATTRIBUTE_UNUSED,
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snd_config_t *attr)
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{
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snd_config_t *type;
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const char *s;
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int ret;
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/* default to integer if no type is given */
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ret = snd_config_search(attr, "type", &type);
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if (ret < 0)
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return SND_CONFIG_TYPE_INTEGER;
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ret = snd_config_get_string(type, &s);
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assert(ret >= 0);
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if (!strcmp(s, "string"))
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return SND_CONFIG_TYPE_STRING;
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if (!strcmp(s, "compound"))
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return SND_CONFIG_TYPE_COMPOUND;
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if (!strcmp(s, "real"))
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return SND_CONFIG_TYPE_REAL;
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if (!strcmp(s, "integer64"))
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return SND_CONFIG_TYPE_INTEGER64;
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return SND_CONFIG_TYPE_INTEGER;
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}
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/* get token_ref for attribute with name attr_name in the class */
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const char *tplg_class_get_attribute_token_ref(struct tplg_pre_processor *tplg_pp ATTRIBUTE_UNUSED,
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snd_config_t *class, const char *attr_name)
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{
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snd_config_t *attributes, *attr, *token_ref;
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const char *token;
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int ret;
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ret = snd_config_search(class, "DefineAttribute", &attributes);
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if (ret < 0)
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return NULL;
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ret = snd_config_search(attributes, attr_name, &attr);
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if (ret < 0)
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return NULL;
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ret = snd_config_search(attr, "token_ref", &token_ref);
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if (ret < 0)
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return NULL;
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ret = snd_config_get_string(token_ref, &token);
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if (ret < 0)
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return NULL;
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return token;
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}
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/* convert a valid attribute string value to the corresponding tuple value */
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long tplg_class_attribute_valid_tuple_value(struct tplg_pre_processor *tplg_pp ATTRIBUTE_UNUSED,
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snd_config_t *class, snd_config_t *attr)
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{
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snd_config_t *attributes, *cfg, *valid, *tuples, *n;
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snd_config_iterator_t i, next;
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const char *attr_name, *attr_value;
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int ret;
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ret = snd_config_get_id(attr, &attr_name);
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if (ret < 0)
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return -EINVAL;
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ret = snd_config_get_string(attr, &attr_value);
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if (ret < 0)
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return -EINVAL;
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/* find attribute definition in class */
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ret = snd_config_search(class, "DefineAttribute", &attributes);
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if (ret < 0)
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return -EINVAL;
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ret = snd_config_search(attributes, attr_name, &cfg);
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if (ret < 0)
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return -EINVAL;
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/* check if it has valid values */
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ret = snd_config_search(cfg, "constraints.valid_values", &valid);
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if (ret < 0)
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return -EINVAL;
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ret = snd_config_search(cfg, "constraints.tuple_values", &tuples);
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if (ret < 0)
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return -EINVAL;
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/* find and return the tuple value matching the attribute value id */
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snd_config_for_each(i, next, valid) {
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const char *s, *id;
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n = snd_config_iterator_entry(i);
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if (snd_config_get_string(n, &s) < 0)
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continue;
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if (snd_config_get_id(n, &id) < 0)
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continue;
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if (!strcmp(attr_value, s)) {
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snd_config_t *tuple;
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long tuple_value;
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ret = snd_config_search(tuples, id, &tuple);
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if (ret < 0)
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return -EINVAL;
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ret = snd_config_get_integer(tuple, &tuple_value);
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if (ret < 0)
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return ret;
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return tuple_value;
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}
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}
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return -EINVAL;
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}
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