Shape of a stream on DSP side, that is, the number and the layout of its pipelines and modules is paramount for streaming to be efficient and low power-consuming. Add parsing helpers to support loading such information from the topology file.
Signed-off-by: Amadeusz Sławiński amadeuszx.slawinski@linux.intel.com Signed-off-by: Cezary Rojewski cezary.rojewski@intel.com --- sound/soc/intel/avs/topology.c | 177 +++++++++++++++++++++++++++++++++ sound/soc/intel/avs/topology.h | 31 ++++++ 2 files changed, 208 insertions(+)
diff --git a/sound/soc/intel/avs/topology.c b/sound/soc/intel/avs/topology.c index 7d454a0ea000..8889ceae19b9 100644 --- a/sound/soc/intel/avs/topology.c +++ b/sound/soc/intel/avs/topology.c @@ -1004,3 +1004,180 @@ static int avs_tplg_parse_bindings(struct snd_soc_component *comp, AVS_TKN_BINDING_ID_U32, binding_parsers, ARRAY_SIZE(binding_parsers)); } + +static const struct avs_tplg_token_parser module_parsers[] = { + { + .token = AVS_TKN_MOD_ID_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = offsetof(struct avs_tplg_module, id), + .parse = avs_parse_word_token, + }, + { + .token = AVS_TKN_MOD_MODCFG_BASE_ID_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = offsetof(struct avs_tplg_module, cfg_base), + .parse = avs_parse_modcfg_base_ptr, + }, + { + .token = AVS_TKN_MOD_IN_AFMT_ID_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = offsetof(struct avs_tplg_module, in_fmt), + .parse = avs_parse_audio_format_ptr, + }, + { + .token = AVS_TKN_MOD_CORE_ID_U8, + .type = SND_SOC_TPLG_TUPLE_TYPE_BYTE, + .offset = offsetof(struct avs_tplg_module, core_id), + .parse = avs_parse_byte_token, + }, + { + .token = AVS_TKN_MOD_PROC_DOMAIN_U8, + .type = SND_SOC_TPLG_TUPLE_TYPE_BYTE, + .offset = offsetof(struct avs_tplg_module, domain), + .parse = avs_parse_byte_token, + }, + { + .token = AVS_TKN_MOD_MODCFG_EXT_ID_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = offsetof(struct avs_tplg_module, cfg_ext), + .parse = avs_parse_modcfg_ext_ptr, + }, +}; + +static struct avs_tplg_module * +avs_tplg_module_create(struct snd_soc_component *comp, struct avs_tplg_pipeline *owner, + struct snd_soc_tplg_vendor_array *tuples, u32 block_size) +{ + struct avs_tplg_module *module; + int ret; + + module = devm_kzalloc(comp->card->dev, sizeof(*module), GFP_KERNEL); + if (!module) + return ERR_PTR(-ENOMEM); + + ret = avs_parse_tokens(comp, module, module_parsers, + ARRAY_SIZE(module_parsers), tuples, block_size); + if (ret < 0) + return ERR_PTR(ret); + + module->owner = owner; + INIT_LIST_HEAD(&module->node); + + return module; +} + +static const struct avs_tplg_token_parser pipeline_parsers[] = { + { + .token = AVS_TKN_PPL_ID_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = offsetof(struct avs_tplg_pipeline, id), + .parse = avs_parse_word_token, + }, + { + .token = AVS_TKN_PPL_PPLCFG_ID_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = offsetof(struct avs_tplg_pipeline, cfg), + .parse = avs_parse_pplcfg_ptr, + }, + { + .token = AVS_TKN_PPL_NUM_BINDING_IDS_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = offsetof(struct avs_tplg_pipeline, num_bindings), + .parse = avs_parse_word_token, + }, +}; + +static const struct avs_tplg_token_parser bindings_parsers[] = { + { + .token = AVS_TKN_PPL_BINDING_ID_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = 0, /* to treat pipeline->bindings as dictionary */ + .parse = avs_parse_binding_ptr, + }, +}; + +static struct avs_tplg_pipeline * +avs_tplg_pipeline_create(struct snd_soc_component *comp, struct avs_tplg_path *owner, + struct snd_soc_tplg_vendor_array *tuples, u32 block_size) +{ + struct avs_tplg_pipeline *pipeline; + u32 modblk_size, offset; + int ret; + + pipeline = devm_kzalloc(comp->card->dev, sizeof(*pipeline), GFP_KERNEL); + if (!pipeline) + return ERR_PTR(-ENOMEM); + + pipeline->owner = owner; + INIT_LIST_HEAD(&pipeline->mod_list); + + /* Pipeline header MUST be followed by at least one module. */ + ret = avs_tplg_vendor_array_lookup(tuples, block_size, + AVS_TKN_MOD_ID_U32, &offset); + if (!ret && !offset) + ret = -EINVAL; + if (ret) + return ERR_PTR(ret); + + /* Process header which precedes module sections. */ + ret = avs_parse_tokens(comp, pipeline, pipeline_parsers, + ARRAY_SIZE(pipeline_parsers), tuples, offset); + if (ret < 0) + return ERR_PTR(ret); + + block_size -= offset; + tuples = avs_tplg_vendor_array_at(tuples, offset); + + /* Optionally, binding sections follow module ones. */ + ret = avs_tplg_vendor_array_lookup_next(tuples, block_size, + AVS_TKN_PPL_BINDING_ID_U32, &offset); + if (ret) { + if (ret != -ENOENT) + return ERR_PTR(ret); + + /* Does header information match actual block layout? */ + if (pipeline->num_bindings) + return ERR_PTR(-EINVAL); + + modblk_size = block_size; + } else { + pipeline->bindings = devm_kcalloc(comp->card->dev, pipeline->num_bindings, + sizeof(*pipeline->bindings), GFP_KERNEL); + if (!pipeline->bindings) + return ERR_PTR(-ENOMEM); + + modblk_size = offset; + } + + block_size -= modblk_size; + do { + struct avs_tplg_module *module; + u32 esize; + + ret = avs_tplg_vendor_entry_size(tuples, modblk_size, + AVS_TKN_MOD_ID_U32, &esize); + if (ret) + return ERR_PTR(ret); + + module = avs_tplg_module_create(comp, pipeline, tuples, esize); + if (IS_ERR(module)) { + dev_err(comp->dev, "parse module failed: %ld\n", + PTR_ERR(module)); + return ERR_CAST(module); + } + + list_add_tail(&module->node, &pipeline->mod_list); + modblk_size -= esize; + tuples = avs_tplg_vendor_array_at(tuples, esize); + } while (modblk_size > 0); + + /* What's left is optional range of bindings. */ + ret = parse_dictionary_entries(comp, tuples, block_size, pipeline->bindings, + pipeline->num_bindings, sizeof(*pipeline->bindings), + AVS_TKN_PPL_BINDING_ID_U32, + bindings_parsers, ARRAY_SIZE(bindings_parsers)); + if (ret) + return ERR_PTR(ret); + + return pipeline; +} diff --git a/sound/soc/intel/avs/topology.h b/sound/soc/intel/avs/topology.h index d23f4aba0bcc..b68c73afcde3 100644 --- a/sound/soc/intel/avs/topology.h +++ b/sound/soc/intel/avs/topology.h @@ -129,4 +129,35 @@ struct avs_tplg_binding { u8 is_sink; };
+struct avs_tplg_path { + u32 id; +}; + +struct avs_tplg_pipeline { + u32 id; + + struct avs_tplg_pplcfg *cfg; + struct avs_tplg_binding **bindings; + u32 num_bindings; + struct list_head mod_list; + + struct avs_tplg_path *owner; + /* Path pipelines management. */ + struct list_head node; +}; + +struct avs_tplg_module { + u32 id; + + struct avs_tplg_modcfg_base *cfg_base; + struct avs_audio_format *in_fmt; + u8 core_id; + u8 domain; + struct avs_tplg_modcfg_ext *cfg_ext; + + struct avs_tplg_pipeline *owner; + /* Pipeline modules management. */ + struct list_head node; +}; + #endif