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author | 2022-03-31 15:52:39 +0200 | |
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committer | 2022-04-19 12:03:56 +0100 | |
commit | d73d1b67ff71e39bb3a04596744fc83047e68a94 (patch) | |
tree | 9dda5118088f851038bd70de69cf4f6c0f13f5d3 /sound/soc/intel/avs/topology.c | |
parent | ASoC: Intel: avs: Parse path and path templates tuples (diff) | |
download | linux-dev-d73d1b67ff71e39bb3a04596744fc83047e68a94.tar.xz linux-dev-d73d1b67ff71e39bb3a04596744fc83047e68a94.zip |
ASoC: Intel: avs: Add topology loading operations
AVS topology is split into two major parts: dictionaries - found within
ASoC topology manifest - and path templates.
Add custom handlers for a range of operations available in struct
snd_soc_tplg_ops to allow for actually loading the topology file.
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220331135246.993089-8-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/avs/topology.c')
-rw-r--r-- | sound/soc/intel/avs/topology.c | 246 |
1 files changed, 225 insertions, 21 deletions
diff --git a/sound/soc/intel/avs/topology.c b/sound/soc/intel/avs/topology.c index 243ec27e7ec7..739669153f6d 100644 --- a/sound/soc/intel/avs/topology.c +++ b/sound/soc/intel/avs/topology.c @@ -6,6 +6,7 @@ // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> // +#include <linux/firmware.h> #include <linux/uuid.h> #include <sound/soc.h> #include <sound/soc-acpi.h> @@ -14,6 +15,8 @@ #include "avs.h" #include "topology.h" +const struct snd_soc_dai_ops avs_dai_fe_ops; + /* Get pointer to vendor array at the specified offset. */ #define avs_tplg_vendor_array_at(array, offset) \ ((struct snd_soc_tplg_vendor_array *)((u8 *)array + offset)) @@ -369,26 +372,6 @@ parse_audio_format_bitfield(struct snd_soc_component *comp, void *elem, void *ob return 0; } -static int parse_link_formatted_string(struct snd_soc_component *comp, void *elem, - void *object, u32 offset) -{ - struct snd_soc_tplg_vendor_string_elem *tuple = elem; - struct snd_soc_acpi_mach *mach = dev_get_platdata(comp->card->dev); - char *val = (char *)((u8 *)object + offset); - - /* - * Dynamic naming - string formats, e.g.: ssp%d - supported only for - * topologies describing single device e.g.: an I2S codec on SSP0. - */ - if (hweight_long(mach->link_mask) != 1) - return avs_parse_string_token(comp, elem, object, offset); - - snprintf(val, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, tuple->string, - __ffs(mach->link_mask)); - - return 0; -} - static int parse_dictionary_header(struct snd_soc_component *comp, struct snd_soc_tplg_vendor_array *tuples, @@ -945,7 +928,7 @@ static const struct avs_tplg_token_parser binding_parsers[] = { .token = AVS_TKN_BINDING_TARGET_TPLG_NAME_STRING, .type = SND_SOC_TPLG_TUPLE_TYPE_STRING, .offset = offsetof(struct avs_tplg_binding, target_tplg_name), - .parse = parse_link_formatted_string, + .parse = avs_parse_string_token, }, { .token = AVS_TKN_BINDING_TARGET_PATH_TMPL_ID_U32, @@ -1339,3 +1322,224 @@ avs_tplg_path_template_create(struct snd_soc_component *comp, struct avs_tplg *o return template; } + +static int avs_widget_load(struct snd_soc_component *comp, int index, + struct snd_soc_dapm_widget *w, + struct snd_soc_tplg_dapm_widget *dw) +{ + struct snd_soc_acpi_mach *mach; + struct avs_tplg_path_template *template; + struct avs_soc_component *acomp = to_avs_soc_component(comp); + struct avs_tplg *tplg; + + if (!le32_to_cpu(dw->priv.size)) + return 0; + + tplg = acomp->tplg; + mach = dev_get_platdata(comp->card->dev); + + template = avs_tplg_path_template_create(comp, tplg, dw->priv.array, + le32_to_cpu(dw->priv.size)); + if (IS_ERR(template)) { + dev_err(comp->dev, "widget %s load failed: %ld\n", dw->name, + PTR_ERR(template)); + return PTR_ERR(template); + } + + w->priv = template; /* link path information to widget */ + list_add_tail(&template->node, &tplg->path_tmpl_list); + return 0; +} + +static int avs_dai_load(struct snd_soc_component *comp, int index, + struct snd_soc_dai_driver *dai_drv, struct snd_soc_tplg_pcm *pcm, + struct snd_soc_dai *dai) +{ + if (pcm) + dai_drv->ops = &avs_dai_fe_ops; + return 0; +} + +static int avs_link_load(struct snd_soc_component *comp, int index, struct snd_soc_dai_link *link, + struct snd_soc_tplg_link_config *cfg) +{ + if (!link->no_pcm) { + /* Stream control handled by IPCs. */ + link->nonatomic = true; + + /* Open LINK (BE) pipes last and close them first to prevent xruns. */ + link->trigger[0] = SND_SOC_DPCM_TRIGGER_PRE; + link->trigger[1] = SND_SOC_DPCM_TRIGGER_PRE; + } + + return 0; +} + +static const struct avs_tplg_token_parser manifest_parsers[] = { + { + .token = AVS_TKN_MANIFEST_NAME_STRING, + .type = SND_SOC_TPLG_TUPLE_TYPE_STRING, + .offset = offsetof(struct avs_tplg, name), + .parse = avs_parse_string_token, + }, + { + .token = AVS_TKN_MANIFEST_VERSION_U32, + .type = SND_SOC_TPLG_TUPLE_TYPE_WORD, + .offset = offsetof(struct avs_tplg, version), + .parse = avs_parse_word_token, + }, +}; + +static int avs_manifest(struct snd_soc_component *comp, int index, + struct snd_soc_tplg_manifest *manifest) +{ + struct snd_soc_tplg_vendor_array *tuples = manifest->priv.array; + struct avs_soc_component *acomp = to_avs_soc_component(comp); + size_t remaining = le32_to_cpu(manifest->priv.size); + u32 offset; + int ret; + + ret = avs_tplg_vendor_array_lookup(tuples, remaining, + AVS_TKN_MANIFEST_NUM_LIBRARIES_U32, &offset); + /* Manifest MUST begin with a header. */ + if (!ret && !offset) + ret = -EINVAL; + if (ret) { + dev_err(comp->dev, "incorrect manifest format: %d\n", ret); + return ret; + } + + /* Process header which precedes any of the dictionaries. */ + ret = avs_parse_tokens(comp, acomp->tplg, manifest_parsers, + ARRAY_SIZE(manifest_parsers), tuples, offset); + if (ret < 0) + return ret; + + remaining -= offset; + tuples = avs_tplg_vendor_array_at(tuples, offset); + + ret = avs_tplg_vendor_array_lookup(tuples, remaining, + AVS_TKN_MANIFEST_NUM_AFMTS_U32, &offset); + if (ret) { + dev_err(comp->dev, "audio formats lookup failed: %d\n", ret); + return ret; + } + + /* Libraries dictionary. */ + ret = avs_tplg_parse_libraries(comp, tuples, offset); + if (ret < 0) + return ret; + + remaining -= offset; + tuples = avs_tplg_vendor_array_at(tuples, offset); + + ret = avs_tplg_vendor_array_lookup(tuples, remaining, + AVS_TKN_MANIFEST_NUM_MODCFGS_BASE_U32, &offset); + if (ret) { + dev_err(comp->dev, "modcfgs_base lookup failed: %d\n", ret); + return ret; + } + + /* Audio formats dictionary. */ + ret = avs_tplg_parse_audio_formats(comp, tuples, offset); + if (ret < 0) + return ret; + + remaining -= offset; + tuples = avs_tplg_vendor_array_at(tuples, offset); + + ret = avs_tplg_vendor_array_lookup(tuples, remaining, + AVS_TKN_MANIFEST_NUM_MODCFGS_EXT_U32, &offset); + if (ret) { + dev_err(comp->dev, "modcfgs_ext lookup failed: %d\n", ret); + return ret; + } + + /* Module configs-base dictionary. */ + ret = avs_tplg_parse_modcfgs_base(comp, tuples, offset); + if (ret < 0) + return ret; + + remaining -= offset; + tuples = avs_tplg_vendor_array_at(tuples, offset); + + ret = avs_tplg_vendor_array_lookup(tuples, remaining, + AVS_TKN_MANIFEST_NUM_PPLCFGS_U32, &offset); + if (ret) { + dev_err(comp->dev, "pplcfgs lookup failed: %d\n", ret); + return ret; + } + + /* Module configs-ext dictionary. */ + ret = avs_tplg_parse_modcfgs_ext(comp, tuples, offset); + if (ret < 0) + return ret; + + remaining -= offset; + tuples = avs_tplg_vendor_array_at(tuples, offset); + + ret = avs_tplg_vendor_array_lookup(tuples, remaining, + AVS_TKN_MANIFEST_NUM_BINDINGS_U32, &offset); + if (ret) { + dev_err(comp->dev, "bindings lookup failed: %d\n", ret); + return ret; + } + + /* Pipeline configs dictionary. */ + ret = avs_tplg_parse_pplcfgs(comp, tuples, offset); + if (ret < 0) + return ret; + + remaining -= offset; + tuples = avs_tplg_vendor_array_at(tuples, offset); + + /* Bindings dictionary. */ + return avs_tplg_parse_bindings(comp, tuples, remaining); +} + +static struct snd_soc_tplg_ops avs_tplg_ops = { + .widget_load = avs_widget_load, + .dai_load = avs_dai_load, + .link_load = avs_link_load, + .manifest = avs_manifest, +}; + +struct avs_tplg *avs_tplg_new(struct snd_soc_component *comp) +{ + struct avs_tplg *tplg; + + tplg = devm_kzalloc(comp->card->dev, sizeof(*tplg), GFP_KERNEL); + if (!tplg) + return NULL; + + tplg->comp = comp; + INIT_LIST_HEAD(&tplg->path_tmpl_list); + + return tplg; +} + +int avs_load_topology(struct snd_soc_component *comp, const char *filename) +{ + const struct firmware *fw; + int ret; + + ret = request_firmware(&fw, filename, comp->dev); + if (ret < 0) { + dev_err(comp->dev, "request topology \"%s\" failed: %d\n", filename, ret); + return ret; + } + + ret = snd_soc_tplg_component_load(comp, &avs_tplg_ops, fw); + if (ret < 0) + dev_err(comp->dev, "load topology \"%s\" failed: %d\n", filename, ret); + + release_firmware(fw); + return ret; +} + +int avs_remove_topology(struct snd_soc_component *comp) +{ + snd_soc_tplg_component_remove(comp); + + return 0; +} |