AVS topology is split into two major parts: dictionaries - found within ASoC topology manifest - and path templates - found within DAPM widget private data. 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 --- sound/soc/intel/Kconfig | 1 + sound/soc/intel/avs/Makefile | 3 +- sound/soc/intel/avs/avs.h | 2 + sound/soc/intel/avs/topology.c | 259 +++++++++++++++++++++++++++++++++ sound/soc/intel/avs/topology.h | 5 + 5 files changed, 269 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index 96aa702d831d..f0688c3d76a7 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -216,6 +216,7 @@ config SND_SOC_INTEL_AVS depends on SND_SOC_INTEL_SKYLAKE_FAMILY=n default n select SND_SOC_ACPI + select SND_SOC_TOPOLOGY select SND_HDA_EXT_CORE select SND_HDA_DSP_LOADER help diff --git a/sound/soc/intel/avs/Makefile b/sound/soc/intel/avs/Makefile index f842bfc5e97e..5e12a3a89e64 100644 --- a/sound/soc/intel/avs/Makefile +++ b/sound/soc/intel/avs/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0-only
-snd-soc-avs-objs := dsp.o ipc.o messages.o utils.o core.o loader.o +snd-soc-avs-objs := dsp.o ipc.o messages.o utils.o core.o loader.o \ + topology.o snd-soc-avs-objs += cldma.o
obj-$(CONFIG_SND_SOC_INTEL_AVS) += snd-soc-avs.o diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index 61842720c894..b0c17c45d7c6 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -237,4 +237,6 @@ struct avs_soc_component { #define to_avs_soc_component(comp) \ container_of(comp, struct avs_soc_component, base)
+extern const struct snd_soc_dai_ops avs_dai_fe_ops; + #endif /* __SOUND_SOC_INTEL_AVS_H */ diff --git a/sound/soc/intel/avs/topology.c b/sound/soc/intel/avs/topology.c index 92f7b9a361e1..d7390359c39c 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)) @@ -1339,3 +1342,259 @@ avs_tplg_path_template_create(struct snd_soc_component *comp, struct avs_tplg *o
return template; } + +static int avs_route_load(struct snd_soc_component *comp, int index, + struct snd_soc_dapm_route *route) +{ + struct snd_soc_acpi_mach *mach = dev_get_platdata(comp->card->dev); + size_t len = SNDRV_CTL_ELEM_ID_NAME_MAXLEN; + char buf[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; + u32 port; + + /* See parse_link_formatted_string() for dynamic naming when(s). */ + if (hweight_long(mach->link_mask) == 1) { + port = __ffs(mach->link_mask); + + snprintf(buf, len, route->source, port); + strncpy((char *)route->source, buf, len); + snprintf(buf, len, route->sink, port); + strncpy((char *)route->sink, buf, len); + if (route->control) { + snprintf(buf, len, route->control, port); + strncpy((char *)route->control, buf, len); + } + } + + return 0; +} + +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); + + /* See parse_link_formatted_string() for dynamic naming when(s). */ + if (hweight_long(mach->link_mask) == 1) { + kfree(w->name); + /* ->name is freed later by soc_tplg_dapm_widget_create() */ + w->name = kasprintf(GFP_KERNEL, dw->name, __ffs(mach->link_mask)); + if (!w->name) + return -ENOMEM; + } + + 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) +{ + /* Stream control handled by IPCs. */ + link->nonatomic = true; + + if (!link->no_pcm) { + /* 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 = parse_link_formatted_string, + }, + { + .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 = { + .dapm_route_load = avs_route_load, + .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; +} diff --git a/sound/soc/intel/avs/topology.h b/sound/soc/intel/avs/topology.h index 383931ab1d77..6058d868f802 100644 --- a/sound/soc/intel/avs/topology.h +++ b/sound/soc/intel/avs/topology.h @@ -187,4 +187,9 @@ struct avs_tplg_module { struct list_head node; };
+struct avs_tplg *avs_tplg_new(struct snd_soc_component *comp); + +int avs_load_topology(struct snd_soc_component *comp, const char *filename); +int avs_remove_topology(struct snd_soc_component *comp); + #endif