From: Mengdong Lin mengdong.lin@linux.intel.com
Vendor can define a token list in SectionVendorTokens. Each token element is a pair of string ID and integer value. And both the ID and value are vendor-specific.
Signed-off-by: Mengdong Lin mengdong.lin@linux.intel.com
diff --git a/include/topology.h b/include/topology.h index 51d282f..0df112c 100644 --- a/include/topology.h +++ b/include/topology.h @@ -578,6 +578,7 @@ enum snd_tplg_type { SND_TPLG_TYPE_BE, /*!< BE DAI link */ SND_TPLG_TYPE_CC, /*!< Hostless codec <-> codec link */ SND_TPLG_TYPE_MANIFEST, /*!< Topology manifest */ + SND_TPLG_TYPE_TOKEN, /*!< Vendor tokens */ };
/** diff --git a/src/topology/data.c b/src/topology/data.c index 370c0fa..8455c15 100644 --- a/src/topology/data.c +++ b/src/topology/data.c @@ -253,6 +253,56 @@ static int tplg_parse_data_hex(snd_config_t *cfg, struct tplg_elem *elem, return ret; }
+/* Parse vendor tokens + */ +int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg, + void *private ATTRIBUTE_UNUSED) +{ + snd_config_iterator_t i, next; + snd_config_t *n; + const char *id, *value; + struct tplg_elem *elem; + struct tplg_vendor_tokens *tokens; + int num_tokens = 0; + + elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_TOKEN); + if (!elem) + return -ENOMEM; + + snd_config_for_each(i, next, cfg) { + num_tokens++; + } + + if (!num_tokens) + return 0; + + tplg_dbg(" Vendor tokens: %s, %d tokens\n", elem->id, num_tokens); + + tokens = calloc(1, sizeof(*tokens) + + num_tokens * sizeof(struct tplg_token)); + if (!tokens) + return -ENOMEM; + elem->tokens = tokens; + + snd_config_for_each(i, next, cfg) { + + n = snd_config_iterator_entry(i); + if (snd_config_get_id(n, &id) < 0) + continue; + + if (snd_config_get_string(n, &value) < 0) + continue; + + elem_copy_text(tokens->token[tokens->num_tokens].id, id, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + tokens->token[tokens->num_tokens].value = atoi(value); + tplg_dbg("\t\t %s : %d\n", tokens->token[tokens->num_tokens].id, + tokens->token[tokens->num_tokens].value); + tokens->num_tokens++; + } + + return 0; +}
/* Parse Private data. * diff --git a/src/topology/elem.c b/src/topology/elem.c index f2afaaf..95e3fd4 100644 --- a/src/topology/elem.c +++ b/src/topology/elem.c @@ -193,6 +193,9 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg, 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; default: free(elem); return NULL; diff --git a/src/topology/parser.c b/src/topology/parser.c index 4546257..264abc8 100644 --- a/src/topology/parser.c +++ b/src/topology/parser.c @@ -173,6 +173,14 @@ static int tplg_parse_config(snd_tplg_t *tplg, snd_config_t *cfg) continue; }
+ if (strcmp(id, "SectionVendorTokens") == 0) { + err = tplg_parse_compound(tplg, n, tplg_parse_tokens, + NULL); + if (err < 0) + return err; + continue; + } + SNDERR("error: unknown section %s\n", id); } return 0; @@ -407,6 +415,7 @@ snd_tplg_t *snd_tplg_new(void) INIT_LIST_HEAD(&tplg->mixer_list); INIT_LIST_HEAD(&tplg->enum_list); INIT_LIST_HEAD(&tplg->bytes_ext_list); + INIT_LIST_HEAD(&tplg->token_list);
return tplg; } @@ -426,6 +435,7 @@ void snd_tplg_free(snd_tplg_t *tplg) tplg_elem_free_list(&tplg->mixer_list); tplg_elem_free_list(&tplg->enum_list); tplg_elem_free_list(&tplg->bytes_ext_list); + tplg_elem_free_list(&tplg->token_list);
free(tplg); } diff --git a/src/topology/tplg_local.h b/src/topology/tplg_local.h index 7368a86..679bfff 100644 --- a/src/topology/tplg_local.h +++ b/src/topology/tplg_local.h @@ -69,6 +69,7 @@ struct snd_tplg { struct list_head route_list; struct list_head text_list; struct list_head pdata_list; + struct list_head token_list; struct list_head pcm_config_list; struct list_head pcm_caps_list;
@@ -86,6 +87,16 @@ struct tplg_ref { struct list_head list; };
+/* element for vendor tokens */ +struct tplg_token { + char id[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + unsigned int value; +}; + +struct tplg_vendor_tokens { + unsigned int num_tokens; + struct tplg_token token[0]; +}; /* topology element */ struct tplg_elem {
@@ -118,6 +129,7 @@ struct tplg_elem { /* these do not map to UAPI structs but are internal only */ struct snd_soc_tplg_ctl_tlv *tlv; struct snd_soc_tplg_private *data; + struct tplg_vendor_tokens *tokens; };
/* an element may refer to other elements: @@ -151,6 +163,9 @@ int tplg_parse_text(snd_tplg_t *tplg, snd_config_t *cfg, int tplg_parse_data(snd_tplg_t *tplg, snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);
+int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg, + void *private ATTRIBUTE_UNUSED); + int tplg_parse_control_bytes(snd_tplg_t *tplg, snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);