alsa-utils/topology/pre-processor.h
Ranjani Sridharan 963578af1e topology: pre-process-class: add function to look up token_ref for an attribute in class
Some attributes may have the token_ref set which is
used to look up the token value for the tuple data
that is appended to the object's private data.

For example, in the buffer widget object:
	DefineAttribute."size" {
		# Token reference and type
		token_ref	"sof_tkn_buffer.word"
	}

The token_ref must include the reference to the vendor
token object name followed by the type of the tuple.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
2021-05-25 18:26:51 +02:00

50 lines
2.1 KiB
C

/*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __PRE_PROCESSOR_H
#define __PRE_PROCESSOR_H
#include <stdarg.h>
#include <stdbool.h>
#include <string.h>
#include "topology.h"
#define DEBUG_MAX_LENGTH 256
/* debug helpers */
void tplg_pp_debug(char *fmt, ...);
void tplg_pp_config_debug(struct tplg_pre_processor *tplg_pp, snd_config_t *cfg);
/* class helpers */
snd_config_t *tplg_class_lookup(struct tplg_pre_processor *tplg_pp, snd_config_t *cfg);
snd_config_t *tplg_class_find_attribute_by_name(struct tplg_pre_processor *tplg_pp,
snd_config_t *class, const char *name);
bool tplg_class_is_attribute_mandatory(const char *attr, snd_config_t *class_cfg);
bool tplg_class_is_attribute_immutable(const char *attr, snd_config_t *class_cfg);
bool tplg_class_is_attribute_unique(const char *attr, snd_config_t *class_cfg);
const char *tplg_class_get_unique_attribute_name(struct tplg_pre_processor *tplg_pp,
snd_config_t *class);
snd_config_type_t tplg_class_get_attribute_type(struct tplg_pre_processor *tplg_pp,
snd_config_t *attr);
const char *tplg_class_get_attribute_token_ref(struct tplg_pre_processor *tplg_pp,
snd_config_t *class, const char *attr_name);
/* config helpers */
snd_config_t *tplg_find_config(snd_config_t *config, const char *name);
int tplg_config_make_add(snd_config_t **config, const char *id, snd_config_type_t type,
snd_config_t *parent);
char *tplg_snprintf(char *fmt, ...);
#endif