This patch adds a DMA config TLV structure and the relevant code to copy this TLV after the gateway configuration. For now this is an iso-functionality change, the TLVs are not configured just yet. Additional patches will be needed for DMIC/SSP/ALH (aka SoundWire).
Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com Reviewed-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com Reviewed-by: Bard Liao yung-chuan.liao@linux.intel.com Reviewed-by: Péter Ujfalusi peter.ujfalusi@linux.intel.com --- sound/soc/sof/ipc4-topology.c | 34 +++++++++++++++++++++++++++++++--- sound/soc/sof/ipc4-topology.h | 2 ++ 2 files changed, 33 insertions(+), 3 deletions(-)
diff --git a/sound/soc/sof/ipc4-topology.c b/sound/soc/sof/ipc4-topology.c index 31a97a4248f4..a4e1a70b607d 100644 --- a/sound/soc/sof/ipc4-topology.c +++ b/sound/soc/sof/ipc4-topology.c @@ -1383,6 +1383,8 @@ sof_ipc4_prepare_copier_module(struct snd_sof_widget *swidget, struct snd_sof_dai *dai; struct snd_mask *fmt; int out_sample_valid_bits; + u32 gtw_cfg_config_length; + u32 dma_config_tlv_size = 0; void **ipc_config_data; int *ipc_config_size; u32 **data; @@ -1699,7 +1701,27 @@ sof_ipc4_prepare_copier_module(struct snd_sof_widget *swidget, ipc_config_data = &ipc4_copier->ipc_config_data;
/* config_length is DWORD based */ - ipc_size = sizeof(*copier_data) + copier_data->gtw_cfg.config_length * 4; + gtw_cfg_config_length = copier_data->gtw_cfg.config_length * 4; + ipc_size = sizeof(*copier_data) + gtw_cfg_config_length; + + if (ipc4_copier->dma_config_tlv.type == SOF_IPC4_GTW_DMA_CONFIG_ID && + ipc4_copier->dma_config_tlv.length) { + dma_config_tlv_size = sizeof(ipc4_copier->dma_config_tlv) + + ipc4_copier->dma_config_tlv.dma_config.dma_priv_config_size; + + /* paranoia check on TLV size/length */ + if (dma_config_tlv_size != ipc4_copier->dma_config_tlv.length + + sizeof(uint32_t) * 2) { + dev_err(sdev->dev, "Invalid configuration, TLV size %d length %d\n", + dma_config_tlv_size, ipc4_copier->dma_config_tlv.length); + return -EINVAL; + } + + ipc_size += dma_config_tlv_size; + + /* we also need to increase the size at the gtw level */ + copier_data->gtw_cfg.config_length += dma_config_tlv_size / 4; + }
dev_dbg(sdev->dev, "copier %s, IPC size is %d", swidget->widget->name, ipc_size);
@@ -1711,9 +1733,15 @@ sof_ipc4_prepare_copier_module(struct snd_sof_widget *swidget,
/* copy IPC data */ memcpy(*ipc_config_data, (void *)copier_data, sizeof(*copier_data)); - if (copier_data->gtw_cfg.config_length) + if (gtw_cfg_config_length) memcpy(*ipc_config_data + sizeof(*copier_data), - *data, copier_data->gtw_cfg.config_length * 4); + *data, gtw_cfg_config_length); + + /* add DMA Config TLV, if configured */ + if (dma_config_tlv_size) + memcpy(*ipc_config_data + sizeof(*copier_data) + + gtw_cfg_config_length, + &ipc4_copier->dma_config_tlv, dma_config_tlv_size);
/* update pipeline memory usage */ sof_ipc4_update_resource_usage(sdev, swidget, &copier_data->base_config); diff --git a/sound/soc/sof/ipc4-topology.h b/sound/soc/sof/ipc4-topology.h index f1d26b5c21d7..6dcf14886e85 100644 --- a/sound/soc/sof/ipc4-topology.h +++ b/sound/soc/sof/ipc4-topology.h @@ -300,6 +300,7 @@ struct sof_ipc4_alh_configuration_blob { * @gtw_attr: Gateway attributes for copier blob * @dai_type: DAI type * @dai_index: DAI index + * @dma_config_tlv: DMA configuration */ struct sof_ipc4_copier { struct sof_ipc4_copier_data data; @@ -312,6 +313,7 @@ struct sof_ipc4_copier { struct sof_ipc4_gtw_attributes *gtw_attr; u32 dai_type; int dai_index; + struct sof_ipc4_dma_config_tlv dma_config_tlv; };
/**