[PATCH v2 08/19] ASoC: SOF: ipc4-loader: Save the maximum number of libraries supported

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The firmware supports external libraries (containing modules) to be loaded
runtime.
The firmware configuration contains the maximum number of libraries
supported, including the base firmware (which is library 0).

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Chao Song <chao.song@xxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/ipc4-loader.c | 7 +++++++
 sound/soc/sof/ipc4-priv.h   | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/sound/soc/sof/ipc4-loader.c b/sound/soc/sof/ipc4-loader.c
index 9f433e9b4cd3..2495a205ef78 100644
--- a/sound/soc/sof/ipc4-loader.c
+++ b/sound/soc/sof/ipc4-loader.c
@@ -202,6 +202,13 @@ static int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev)
 			trace_sof_ipc4_fw_config(sdev, "Trace log size", *tuple->value);
 			ipc4_data->mtrace_log_bytes = *tuple->value;
 			break;
+		case SOF_IPC4_FW_CFG_MAX_LIBS_COUNT:
+			trace_sof_ipc4_fw_config(sdev, "maximum number of libraries",
+						 *tuple->value);
+			ipc4_data->max_libs_count = *tuple->value;
+			if (!ipc4_data->max_libs_count)
+				ipc4_data->max_libs_count = 1;
+			break;
 		default:
 			break;
 		}
diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h
index e3b8484a2f1f..7f5c7a47b3a7 100644
--- a/sound/soc/sof/ipc4-priv.h
+++ b/sound/soc/sof/ipc4-priv.h
@@ -32,6 +32,8 @@ enum sof_ipc4_mtrace_type {
  * @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_libs_count: Maximum number of libraries support by the FW including the
+ *		    base firmware
  */
 struct sof_ipc4_fw_data {
 	u32 manifest_fw_hdr_offset;
@@ -40,6 +42,7 @@ struct sof_ipc4_fw_data {
 	void *nhlt;
 	enum sof_ipc4_mtrace_type mtrace_type;
 	u32 mtrace_log_bytes;
+	u32 max_libs_count;
 };
 
 /**
-- 
2.38.1




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