Get max pipeline number from firmware configuration.
Signed-off-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Rander Wang <rander.wang@xxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
sound/soc/sof/ipc4-loader.c | 11 +++++++++++
sound/soc/sof/ipc4-priv.h | 2 ++
2 files changed, 13 insertions(+)
diff --git a/sound/soc/sof/ipc4-loader.c b/sound/soc/sof/ipc4-loader.c
index 702196774c50..1321acc402fd 100644
--- a/sound/soc/sof/ipc4-loader.c
+++ b/sound/soc/sof/ipc4-loader.c
@@ -383,6 +383,17 @@ int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev)
if (!ipc4_data->max_libs_count)
ipc4_data->max_libs_count = 1;
break;
+ case SOF_IPC4_FW_CFG_MAX_PPL_COUNT:
+ ipc4_data->max_num_pipelines = *tuple->value;
+ trace_sof_ipc4_fw_config(sdev, "Max PPL count %d",
+ ipc4_data->max_num_pipelines);
+ if (ipc4_data->max_num_pipelines <= 0) {
+ dev_err(sdev->dev, "Invalid max_num_pipelines %d",
+ ipc4_data->max_num_pipelines);
+ ret = -EINVAL;
+ goto out;
+ }
+ break;
default:
break;
}
diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h
index d6f35004c4b7..fc9efdce67e0 100644
--- a/sound/soc/sof/ipc4-priv.h
+++ b/sound/soc/sof/ipc4-priv.h
@@ -65,6 +65,7 @@ struct sof_ipc4_fw_library {
* @nhlt: NHLT table either from the BIOS or the topology manifest
* @mtrace_type: mtrace type supported on the booted platform
* @mtrace_log_bytes: log bytes as reported by the firmware via fw_config reply
+ * @max_num_pipelines: max number of pipelines
* @max_libs_count: Maximum number of libraries support by the FW including the
* base firmware
*
@@ -76,6 +77,7 @@ struct sof_ipc4_fw_data {
void *nhlt;
enum sof_ipc4_mtrace_type mtrace_type;
u32 mtrace_log_bytes;
+ int max_num_pipelines;
u32 max_libs_count;
int (*load_library)(struct snd_sof_dev *sdev,
--
2.25.1
