[v2,6/7] topology: Add support for parsing vendor tuples

Message ID	6ceb0ce804d89c8d9cac5a1c80f1364041a8590f.1459321387.git.mengdong.lin@linux.intel.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <alsa-devel-bounces@alsa-project.org> From: mengdong.lin@linux.intel.com To: alsa-devel@alsa-project.org, broonie@kernel.org Date: Wed, 30 Mar 2016 15:11:17 +0800 Message-Id: <6ceb0ce804d89c8d9cac5a1c80f1364041a8590f.1459321387.git.mengdong.lin@linux.intel.com> In-Reply-To: <cover.1459321387.git.mengdong.lin@linux.intel.com> References: <cover.1459321387.git.mengdong.lin@linux.intel.com> Cc: Mengdong Lin <mengdong.lin@linux.intel.com>, tiwai@suse.de, mengdong.lin@intel.com, vinod.koul@intel.com, rakesh.a.ughreja@intel.com, liam.r.girdwood@intel.com, hardik.t.shah@intel.com, subhransu.s.prusty@intel.com Subject: [alsa-devel] [PATCH v2 6/7] topology: Add support for parsing vendor tuples Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org

diff --git a/include/topology.h b/include/topology.h index 0df112c..b47f422 100644 --- a/include/topology.h +++ b/include/topology.h @@ -579,6 +579,7 @@ enum snd_tplg_type { SND_TPLG_TYPE_CC, /*!< Hostless codec <-> codec link */ SND_TPLG_TYPE_MANIFEST, /*!< Topology manifest */ SND_TPLG_TYPE_TOKEN, /*!< Vendor tokens */ + SND_TPLG_TYPE_TUPLE, /*!< Vendor tuples */ }; /** diff --git a/src/topology/data.c b/src/topology/data.c index 8455c15..8ce1a0a 100644 --- a/src/topology/data.c +++ b/src/topology/data.c @@ -253,6 +253,168 @@ static int tplg_parse_data_hex(snd_config_t *cfg, struct tplg_elem *elem, return ret; } +static int parse_tuple_set(snd_tplg_t *tplg, snd_config_t *cfg, + struct tplg_tuple_set **s) +{ + snd_config_iterator_t i, next; + snd_config_t *n; + const char *id, *value; + struct tplg_tuple_set *set; + unsigned int type, num_tuples = 0; + struct tplg_tuple *tuple; + long int tuple_val; + int len; + + snd_config_get_id(cfg, &id); + + if (strcmp(id, "uuid") == 0) + type = SND_SOC_TPLG_TUPLE_TYPE_UUID; + else if (strcmp(id, "string") == 0) + type = SND_SOC_TPLG_TUPLE_TYPE_STRING; + else if (strcmp(id, "bool") == 0) + type = SND_SOC_TPLG_TUPLE_TYPE_BOOL; + else if (strcmp(id, "byte") == 0) + type = SND_SOC_TPLG_TUPLE_TYPE_BYTE; + else if (strcmp(id, "short") == 0) + type = SND_SOC_TPLG_TUPLE_TYPE_SHORT; + else if (strcmp(id, "word") == 0) + type = SND_SOC_TPLG_TUPLE_TYPE_WORD; + else { + SNDERR("error: invalid tuple type '%s'\n", id); + return -EINVAL; + } + + snd_config_for_each(i, next, cfg) + num_tuples++; + if (!num_tuples) + return 0; + + tplg_dbg("\t %d %s tuples:\n", num_tuples, id); + set = calloc(1, sizeof(*set) + num_tuples * sizeof(struct tplg_tuple)); + if (!set) + return -ENOMEM; + + set->type = type; + + snd_config_for_each(i, next, cfg) { + + n = snd_config_iterator_entry(i); + + /* get id */ + if (snd_config_get_id(n, &id) < 0) + continue; + + /* get value */ + if (snd_config_get_string(n, &value) < 0) + continue; + + tuple = &set->tuple[set->num_tuples]; + elem_copy_text(tuple->token, id, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + + switch (type) { + case SND_SOC_TPLG_TUPLE_TYPE_UUID: + len = strlen(value); + if (len > 16 || len == 0) { + SNDERR("error: tuple %s: invalid uuid\n", id); + goto err; + } + + memcpy(tuple->uuid, value, 16); + tplg_dbg("\t\t%s = %s\n", tuple->token, tuple->uuid); + break; + + case SND_SOC_TPLG_TUPLE_TYPE_STRING: + elem_copy_text(tuple->string, value, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN); + tplg_dbg("\t\t%s = %s\n", tuple->token, tuple->string); + break; + + case SND_SOC_TPLG_TUPLE_TYPE_BOOL: + if (strcmp(value, "true") == 0) + tuple->value = 1; + tplg_dbg("\t\t%s = %d\n", tuple->token, tuple->value); + break; + + case SND_SOC_TPLG_TUPLE_TYPE_BYTE: + case SND_SOC_TPLG_TUPLE_TYPE_SHORT: + case SND_SOC_TPLG_TUPLE_TYPE_WORD: + tuple_val = strtol(value, NULL, 0); + if (tuple_val == LONG_MIN || tuple_val == LONG_MAX + || (type == SND_SOC_TPLG_TUPLE_TYPE_WORD + && tuple_val > 0xffffffff) + || (type == SND_SOC_TPLG_TUPLE_TYPE_SHORT + && tuple_val > 0xffff) + || (type == SND_SOC_TPLG_TUPLE_TYPE_BYTE + && tuple_val > 0xff)) { + SNDERR("error: tuple %s: invalid value\n", id); + goto err; + } + + tuple->value = tuple_val; + tplg_dbg("\t\t%s = 0x%x\n", tuple->token, tuple->value); + break; + + default: + break; + } + + set->num_tuples++; + } + + *s = set; + return 0; + +err: + free(set); + return -EINVAL; +} + +static int parse_tuple_sets(snd_tplg_t *tplg, snd_config_t *cfg, + struct tplg_vendor_tuples *tuples) +{ + snd_config_iterator_t i, next; + snd_config_t *n; + const char *id; + unsigned int num_tuple_sets = 0; + int err; + + if (snd_config_get_type(cfg) != SND_CONFIG_TYPE_COMPOUND) { + SNDERR("error: compound type expected for %s", id); + return -EINVAL; + } + + snd_config_for_each(i, next, cfg) { + num_tuple_sets++; + } + + if (!num_tuple_sets) + return 0; + + tuples->set = calloc(1, num_tuple_sets * sizeof(void *)); + if (!tuples->set) + return -ENOMEM; + + snd_config_for_each(i, next, cfg) { + n = snd_config_iterator_entry(i); + if (snd_config_get_type(n) != SND_CONFIG_TYPE_COMPOUND) { + SNDERR("error: compound type expected for %s, is %d", + id, snd_config_get_type(n)); + return -EINVAL; + } + + err = parse_tuple_set(tplg, n, &tuples->set[tuples->num_sets]); + if (err < 0) + return err; + + /* overlook empty tuple sets */ + if (tuples->set[tuples->num_sets]) + tuples->num_sets++; + } + + return 0; +} + /* Parse vendor tokens */ int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg, @@ -304,10 +466,71 @@ int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg, return 0; } +/* Parse vendor tuples. + */ +int tplg_parse_tuples(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_tuples *tuples; + int err; + + elem = tplg_elem_new_common(tplg, cfg, NULL, SND_TPLG_TYPE_TUPLE); + if (!elem) + return -ENOMEM; + + tplg_dbg(" Vendor Tuples: %s\n", elem->id); + + tuples = calloc(1, sizeof(*tuples)); + if (!tuples) + return -ENOMEM; + elem->tuples = tuples; + + snd_config_for_each(i, next, cfg) { + + n = snd_config_iterator_entry(i); + if (snd_config_get_id(n, &id) < 0) + continue; + + if (strcmp(id, "tokens") == 0) { + if (snd_config_get_string(n, &value) < 0) + return -EINVAL; + tplg_ref_add(elem, SND_TPLG_TYPE_TOKEN, value); + tplg_dbg("\t refer to vendor tokens: %s\n", value); + } + + if (strcmp(id, "tuples") == 0) { + err = parse_tuple_sets(tplg, n, tuples); + if (err < 0) + return err; + } + } + + return 0; +} + +/* Free handler of tuples */ +void tplg_free_tuples(void *obj) +{ + struct tplg_vendor_tuples *tuples = (struct tplg_vendor_tuples *)obj; + int i; + + if (!tuples || !tuples->set) + return; + + for (i = 0; i < tuples->num_sets; i++) + free(tuples->set[i]); + + free(tuples->set); +} + /* Parse Private data. * * Object private data can either be from file or defined as bytes, shorts, - * words. + * words, tuples. */ int tplg_parse_data(snd_tplg_t *tplg, snd_config_t *cfg, void *private ATTRIBUTE_UNUSED) @@ -365,6 +588,14 @@ int tplg_parse_data(snd_tplg_t *tplg, snd_config_t *cfg, continue; } + if (strcmp(id, "tuples") == 0) { + if (snd_config_get_string(n, &val) < 0) + return -EINVAL; + tplg_dbg(" Data: %s\n", val); + tplg_ref_add(elem, SND_TPLG_TYPE_TUPLE, val); + continue; + } + if (strcmp(id, "index") == 0) { if (snd_config_get_string(n, &val) < 0) return -EINVAL; diff --git a/src/topology/elem.c b/src/topology/elem.c index 95e3fd4..50414f0 100644 --- a/src/topology/elem.c +++ b/src/topology/elem.c @@ -196,6 +196,10 @@ struct tplg_elem* tplg_elem_new_common(snd_tplg_t *tplg, 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; diff --git a/src/topology/parser.c b/src/topology/parser.c index 264abc8..0d967b4 100644 --- a/src/topology/parser.c +++ b/src/topology/parser.c @@ -181,6 +181,14 @@ static int tplg_parse_config(snd_tplg_t *tplg, snd_config_t *cfg) continue; } + if (strcmp(id, "SectionVendorTuples") == 0) { + err = tplg_parse_compound(tplg, n, tplg_parse_tuples, + NULL); + if (err < 0) + return err; + continue; + } + SNDERR("error: unknown section %s\n", id); } return 0; @@ -416,6 +424,7 @@ snd_tplg_t *snd_tplg_new(void) INIT_LIST_HEAD(&tplg->enum_list); INIT_LIST_HEAD(&tplg->bytes_ext_list); INIT_LIST_HEAD(&tplg->token_list); + INIT_LIST_HEAD(&tplg->tuple_list); return tplg; } @@ -436,6 +445,7 @@ void snd_tplg_free(snd_tplg_t *tplg) tplg_elem_free_list(&tplg->enum_list); tplg_elem_free_list(&tplg->bytes_ext_list); tplg_elem_free_list(&tplg->token_list); + tplg_elem_free_list(&tplg->tuple_list); free(tplg); } diff --git a/src/topology/tplg_local.h b/src/topology/tplg_local.h index 679bfff..4d59a1f 100644 --- a/src/topology/tplg_local.h +++ b/src/topology/tplg_local.h @@ -70,6 +70,7 @@ struct snd_tplg { struct list_head text_list; struct list_head pdata_list; struct list_head token_list; + struct list_head tuple_list; struct list_head pcm_config_list; struct list_head pcm_caps_list; @@ -97,6 +98,28 @@ struct tplg_vendor_tokens { unsigned int num_tokens; struct tplg_token token[0]; }; + +/* element for vendor tuples */ +struct tplg_tuple { + char token[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + union { + char string[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + char uuid[16]; + unsigned int value; + }; +}; + +struct tplg_tuple_set { + unsigned int type; /* uuid, bool, byte, short, word, string*/ + unsigned int num_tuples; + struct tplg_tuple tuple[0]; +}; + +struct tplg_vendor_tuples { + unsigned int num_sets; + struct tplg_tuple_set **set; +}; + /* topology element */ struct tplg_elem { @@ -130,6 +153,7 @@ struct tplg_elem { struct snd_soc_tplg_ctl_tlv *tlv; struct snd_soc_tplg_private *data; struct tplg_vendor_tokens *tokens; + struct tplg_vendor_tuples *tuples; }; /* an element may refer to other elements: @@ -166,6 +190,11 @@ int tplg_parse_data(snd_tplg_t *tplg, snd_config_t *cfg, int tplg_parse_tokens(snd_tplg_t *tplg, snd_config_t *cfg, void *private ATTRIBUTE_UNUSED); +int tplg_parse_tuples(snd_tplg_t *tplg, snd_config_t *cfg, + void *private ATTRIBUTE_UNUSED); + +void tplg_free_tuples(void *obj); + int tplg_parse_control_bytes(snd_tplg_t *tplg, snd_config_t *cfg, void *private ATTRIBUTE_UNUSED);

[v2,6/7] topology: Add support for parsing vendor tuples

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