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topology: implement snd_tplg_decode

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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2019-12-15 15:24:57 +01:00
parent 0ba4d6d9c0
commit b6c9afb4f5
11 changed files with 1730 additions and 142 deletions
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80
src/topology/elem.c
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@ -31,6 +31,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_manifest_data,
.save = tplg_save_manifest_data,
.decod = tplg_decode_manifest_data,
},
{
.name = "control mixer",
@ -43,6 +44,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_control_mixer,
.save = tplg_save_control_mixer,
.decod = tplg_decode_control_mixer,
},
{
.name = "control enum",
@ -55,6 +57,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_control_enum,
.save = tplg_save_control_enum,
.decod = tplg_decode_control_enum,
},
{
.name = "control extended (bytes)",
@ -67,6 +70,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_control_bytes,
.save = tplg_save_control_bytes,
.decod = tplg_decode_control_bytes,
},
{
.name = "dapm widget",
@ -79,6 +83,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_dapm_widget,
.save = tplg_save_dapm_widget,
.decod = tplg_decode_dapm_widget,
},
{
.name = "pcm",
@ -91,6 +96,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_pcm,
.save = tplg_save_pcm,
.decod = tplg_decode_pcm,
},
{
.name = "physical dai",
@ -103,6 +109,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_dai,
.save = tplg_save_dai,
.decod = tplg_decode_dai,
},
{
.name = "be",
@ -116,6 +123,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_link,
.save = tplg_save_link,
.decod = tplg_decode_link,
},
{
.name = "cc",
@ -128,6 +136,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_cc,
.save = tplg_save_cc,
.decod = tplg_decode_cc,
},
{
.name = "route (dapm graph)",
@ -138,6 +147,7 @@ struct tplg_table tplg_table[] = {
.build = 1,
.parse = tplg_parse_dapm_graph,
.gsave = tplg_save_dapm_graph,
.decod = tplg_decode_dapm_graph,
},
{
.name = "private data",
@ -149,6 +159,7 @@ struct tplg_table tplg_table[] = {
.enew = 1,
.parse = tplg_parse_data,
.save = tplg_save_data,
.decod = tplg_decode_data,
},
{
.name = "text",
@ -220,6 +231,17 @@ struct tplg_table tplg_table[] = {
unsigned int tplg_table_items = ARRAY_SIZE(tplg_table);
int tplg_get_type(int asoc_type)
{
unsigned int index;
for (index = 0; index < tplg_table_items; index++)
if (tplg_table[index].tsoc == asoc_type)
return tplg_table[index].type;
SNDERR("uknown asoc type %d", asoc_type);
return -EINVAL;
}
int tplg_ref_add(struct tplg_elem *elem, int type, const char* id)
{
struct tplg_ref *ref;
@ -331,6 +353,36 @@ struct tplg_elem *tplg_elem_lookup(struct list_head *base, const char* id,
return NULL;
}
/* find an element by type */
struct tplg_elem *tplg_elem_type_lookup(snd_tplg_t *tplg,
enum snd_tplg_type type)
{
struct tplg_table *tptr;
struct list_head *pos, *list;
struct tplg_elem *elem;
unsigned int index;
for (index = 0; index < tplg_table_items; index++) {
tptr = &tplg_table[index];
if (!tptr->enew)
continue;
if ((int)type != tptr->type)
continue;
break;
}
if (index >= tplg_table_items)
return NULL;
list = (struct list_head *)((void *)tplg + tptr->loff);
/* return only first element */
list_for_each(pos, list) {
elem = list_entry(pos, struct tplg_elem, list);
return elem;
}
return NULL;
}
/* insert a new element into list in the ascending order of index value */
void tplg_elem_insert(struct tplg_elem *elem_p, struct list_head *list)
{
@ -428,3 +480,31 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg,
elem->type = type;
return elem;
}
struct tplg_alloc {
struct list_head list;
void *data[0];
};
void *tplg_calloc(struct list_head *heap, size_t size)
{
struct tplg_alloc *a;
a = calloc(1, sizeof(*a) + size);
if (a == NULL)
return NULL;
list_add_tail(&a->list, heap);
return a->data;
}
void tplg_free(struct list_head *heap)
{
struct list_head *pos, *npos;
struct tplg_alloc *a;
list_for_each_safe(pos, npos, heap) {
a = list_entry(pos, struct tplg_alloc, list);
list_del(&a->list);
free(a);
}
}