diff options
| -rw-r--r-- | sound/soc/intel/avs/path.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/path.c b/sound/soc/intel/avs/path.c index f31d5e2caa7b..698a3d542244 100644 --- a/sound/soc/intel/avs/path.c +++ b/sound/soc/intel/avs/path.c @@ -115,6 +115,156 @@ avs_path_find_variant(struct avs_dev *adev, return NULL; } +static void avs_init_node_id(union avs_connector_node_id *node_id, + struct avs_tplg_modcfg_ext *te, u32 dma_id) +{ + node_id->val = 0; + node_id->dma_type = te->copier.dma_type; + + switch (node_id->dma_type) { + case AVS_DMA_DMIC_LINK_INPUT: + case AVS_DMA_I2S_LINK_OUTPUT: + case AVS_DMA_I2S_LINK_INPUT: + /* Gateway's virtual index is statically assigned in the topology. */ + node_id->vindex = te->copier.vindex.val; + break; + + case AVS_DMA_HDA_HOST_OUTPUT: + case AVS_DMA_HDA_HOST_INPUT: + /* Gateway's virtual index is dynamically assigned with DMA ID */ + node_id->vindex = dma_id; + break; + + case AVS_DMA_HDA_LINK_OUTPUT: + case AVS_DMA_HDA_LINK_INPUT: + node_id->vindex = te->copier.vindex.val | dma_id; + break; + + default: + *node_id = INVALID_NODE_ID; + break; + } +} + +/* Every BLOB contains at least gateway attributes. */ +static struct acpi_nhlt_config *default_blob = (struct acpi_nhlt_config *)&(u32[2]) {4}; + +static struct acpi_nhlt_config * +avs_nhlt_config_or_default(struct avs_dev *adev, struct avs_tplg_module *t) +{ + struct acpi_nhlt_format_config *fmtcfg; + struct avs_tplg_modcfg_ext *te; + struct avs_audio_format *fmt; + int link_type, dev_type; + int bus_id, dir; + + te = t->cfg_ext; + + switch (te->copier.dma_type) { + case AVS_DMA_I2S_LINK_OUTPUT: + link_type = ACPI_NHLT_LINKTYPE_SSP; + dev_type = ACPI_NHLT_DEVICETYPE_CODEC; + bus_id = te->copier.vindex.i2s.instance; + dir = SNDRV_PCM_STREAM_PLAYBACK; + fmt = te->copier.out_fmt; + break; + + case AVS_DMA_I2S_LINK_INPUT: + link_type = ACPI_NHLT_LINKTYPE_SSP; + dev_type = ACPI_NHLT_DEVICETYPE_CODEC; + bus_id = te->copier.vindex.i2s.instance; + dir = SNDRV_PCM_STREAM_CAPTURE; + fmt = t->in_fmt; + break; + + case AVS_DMA_DMIC_LINK_INPUT: + link_type = ACPI_NHLT_LINKTYPE_PDM; + dev_type = -1; /* ignored */ + bus_id = 0; + dir = SNDRV_PCM_STREAM_CAPTURE; + fmt = t->in_fmt; + break; + + default: + return default_blob; + } + + /* Override format selection if necessary. */ + if (te->copier.blob_fmt) + fmt = te->copier.blob_fmt; + + fmtcfg = acpi_nhlt_find_fmtcfg(link_type, dev_type, dir, bus_id, + fmt->num_channels, fmt->sampling_freq, fmt->valid_bit_depth, + fmt->bit_depth); + if (!fmtcfg) { + dev_warn(adev->dev, "Endpoint format configuration not found.\n"); + return ERR_PTR(-ENOENT); + } + + if (fmtcfg->config.capabilities_size < default_blob->capabilities_size) + return ERR_PTR(-ETOOSMALL); + /* The firmware expects the payload to be DWORD-aligned. */ + if (fmtcfg->config.capabilities_size % sizeof(u32)) + return ERR_PTR(-EINVAL); + + return &fmtcfg->config; +} + +static int avs_fill_gtw_config(struct avs_dev *adev, struct avs_copier_gtw_cfg *gtw, + struct avs_tplg_module *t, size_t *cfg_size) +{ + struct acpi_nhlt_config *blob; + size_t gtw_size; + + blob = avs_nhlt_config_or_default(adev, t); + if (IS_ERR(blob)) + return PTR_ERR(blob); + + gtw_size = blob->capabilities_size; + if (*cfg_size + gtw_size > AVS_MAILBOX_SIZE) + return -E2BIG; + + gtw->config_length = gtw_size / sizeof(u32); + memcpy(gtw->config.blob, blob->capabilities, blob->capabilities_size); + *cfg_size += gtw_size; + + return 0; +} + +static __maybe_unused int avs_copier_create2(struct avs_dev *adev, struct avs_path_module *mod) +{ + struct avs_tplg_module *t = mod->template; + struct avs_tplg_modcfg_ext *te; + struct avs_copier_cfg *cfg; + size_t cfg_size; + u32 dma_id; + int ret; + + te = t->cfg_ext; + cfg = adev->modcfg_buf; + dma_id = mod->owner->owner->dma_id; + cfg_size = offsetof(struct avs_copier_cfg, gtw_cfg.config); + + ret = avs_fill_gtw_config(adev, &cfg->gtw_cfg, t, &cfg_size); + if (ret) + return ret; + + cfg->base.cpc = t->cfg_base->cpc; + cfg->base.ibs = t->cfg_base->ibs; + cfg->base.obs = t->cfg_base->obs; + cfg->base.is_pages = t->cfg_base->is_pages; + cfg->base.audio_fmt = *t->in_fmt; + cfg->out_fmt = *te->copier.out_fmt; + cfg->feature_mask = te->copier.feature_mask; + avs_init_node_id(&cfg->gtw_cfg.node_id, te, dma_id); + cfg->gtw_cfg.dma_buffer_size = te->copier.dma_buffer_size; + mod->gtw_attrs = cfg->gtw_cfg.config.attrs; + + ret = avs_dsp_init_module(adev, mod->module_id, mod->owner->instance_id, t->core_id, + t->domain, cfg, cfg_size, &mod->instance_id); + return ret; +} + __maybe_unused static bool avs_dma_type_is_host(u32 dma_type) { |