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/*
Copyright(c) 2014-2015 Intel Corporation
All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as
published by the Free Software Foundation.
This program 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
General Public License for more details.
Authors: Mengdong Lin <mengdong.lin@intel.com>
Yao Jin <yao.jin@intel.com>
Liam Girdwood <liam.r.girdwood@linux.intel.com>
*/
#include "list.h"
#include "tplg_local.h"
int tplg_ref_add(struct tplg_elem *elem, int type, const char* id)
{
struct tplg_ref *ref;
ref = calloc(1, sizeof(*ref));
if (!ref)
return -ENOMEM;
strncpy(ref->id, id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
ref->id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN - 1] = 0;
ref->type = type;
list_add_tail(&ref->list, &elem->ref_list);
return 0;
}
/* directly add a reference elem */
int tplg_ref_add_elem(struct tplg_elem *elem, struct tplg_elem *elem_ref)
{
struct tplg_ref *ref;
ref = calloc(1, sizeof(*ref));
if (!ref)
return -ENOMEM;
ref->type = elem_ref->type;
ref->elem = elem_ref;
elem_copy_text(ref->id, elem_ref->id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
list_add_tail(&ref->list, &elem->ref_list);
return 0;
}
void tplg_ref_free_list(struct list_head *base)
{
struct list_head *pos, *npos;
struct tplg_ref *ref;
list_for_each_safe(pos, npos, base) {
ref = list_entry(pos, struct tplg_ref, list);
list_del(&ref->list);
free(ref);
}
}
struct tplg_elem *tplg_elem_new(void)
{
struct tplg_elem *elem;
elem = calloc(1, sizeof(*elem));
if (!elem)
return NULL;
INIT_LIST_HEAD(&elem->ref_list);
return elem;
}
void tplg_elem_free(struct tplg_elem *elem)
{
tplg_ref_free_list(&elem->ref_list);
/* free struct snd_tplg_ object,
* the union pointers share the same address
*/
if (elem->obj) {
if (elem->free)
elem->free(elem->obj);
free(elem->obj);
}
free(elem);
}
void tplg_elem_free_list(struct list_head *base)
{
struct list_head *pos, *npos;
struct tplg_elem *elem;
list_for_each_safe(pos, npos, base) {
elem = list_entry(pos, struct tplg_elem, list);
list_del(&elem->list);
tplg_elem_free(elem);
}
}
struct tplg_elem *tplg_elem_lookup(struct list_head *base, const char* id,
unsigned int type)
{
struct list_head *pos;
struct tplg_elem *elem;
list_for_each(pos, base) {
elem = list_entry(pos, struct tplg_elem, list);
if (!strcmp(elem->id, id) && elem->type == type)
return elem;
}
return NULL;
}
/* create a new common element and object */
struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
snd_config_t *cfg, const char *name, enum snd_tplg_type type)
{
struct tplg_elem *elem;
const char *id;
int obj_size = 0;
void *obj;
if (!cfg && !name)
return NULL;
elem = tplg_elem_new();
if (!elem)
return NULL;
/* do we get name from cfg */
if (cfg) {
snd_config_get_id(cfg, &id);
elem_copy_text(elem->id, id, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
elem->id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN - 1] = 0;
} else if (name != NULL)
elem_copy_text(elem->id, name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN);
switch (type) {
case SND_TPLG_TYPE_DATA:
list_add_tail(&elem->list, &tplg->pdata_list);
break;
case SND_TPLG_TYPE_TEXT:
list_add_tail(&elem->list, &tplg->text_list);
break;
case SND_TPLG_TYPE_TLV:
list_add_tail(&elem->list, &tplg->tlv_list);
elem->size = sizeof(struct snd_soc_tplg_ctl_tlv);
break;
case SND_TPLG_TYPE_BYTES:
list_add_tail(&elem->list, &tplg->bytes_ext_list);
obj_size = sizeof(struct snd_soc_tplg_bytes_control);
break;
case SND_TPLG_TYPE_ENUM:
list_add_tail(&elem->list, &tplg->enum_list);
obj_size = sizeof(struct snd_soc_tplg_enum_control);
break;
case SND_TPLG_TYPE_MIXER:
list_add_tail(&elem->list, &tplg->mixer_list);
obj_size = sizeof(struct snd_soc_tplg_mixer_control);
break;
case SND_TPLG_TYPE_DAPM_WIDGET:
list_add_tail(&elem->list, &tplg->widget_list);
obj_size = sizeof(struct snd_soc_tplg_dapm_widget);
break;
case SND_TPLG_TYPE_STREAM_CONFIG:
list_add_tail(&elem->list, &tplg->pcm_config_list);
obj_size = sizeof(struct snd_soc_tplg_stream);
break;
case SND_TPLG_TYPE_STREAM_CAPS:
list_add_tail(&elem->list, &tplg->pcm_caps_list);
obj_size = sizeof(struct snd_soc_tplg_stream_caps);
break;
case SND_TPLG_TYPE_PCM:
list_add_tail(&elem->list, &tplg->pcm_list);
obj_size = sizeof(struct snd_soc_tplg_pcm);
break;
case SND_TPLG_TYPE_BE:
list_add_tail(&elem->list, &tplg->be_list);
obj_size = sizeof(struct snd_soc_tplg_link_config);
break;
case SND_TPLG_TYPE_CC:
list_add_tail(&elem->list, &tplg->cc_list);
obj_size = sizeof(struct snd_soc_tplg_link_config);
break;
case SND_TPLG_TYPE_TOKEN:
list_add_tail(&elem->list, &tplg->token_list);
break;
case SND_TPLG_TYPE_TUPLE:
list_add_tail(&elem->list, &tplg->tuple_list);
elem->free = tplg_free_tuples;
break;
default:
free(elem);
return NULL;
}
/* create new object too if required */
if (obj_size > 0) {
obj = calloc(1, obj_size);
if (obj == NULL) {
free(elem);
return NULL;
}
elem->obj = obj;
elem->size = obj_size;
}
elem->type = type;
return elem;
}
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