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-rw-r--r--sound/soc/sof/intel/hda-stream.c9
-rw-r--r--sound/soc/sof/ipc4-priv.h4
2 files changed, 13 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c
index f2ebadbbcc10..b387b1a69d7e 100644
--- a/sound/soc/sof/intel/hda-stream.c
+++ b/sound/soc/sof/intel/hda-stream.c
@@ -21,6 +21,7 @@
#include <trace/events/sof_intel.h>
#include "../ops.h"
#include "../sof-audio.h"
+#include "../ipc4-priv.h"
#include "hda.h"
#define HDA_LTRP_GB_VALUE_US 95
@@ -937,6 +938,14 @@ int hda_dsp_stream_init(struct snd_sof_dev *sdev)
/* store total stream count (playback + capture) from GCAP */
sof_hda->stream_max = num_total;
+ /* store stream count from GCAP required for CHAIN_DMA */
+ if (sdev->pdata->ipc_type == SOF_IPC_TYPE_4) {
+ struct sof_ipc4_fw_data *ipc4_data = sdev->private;
+
+ ipc4_data->num_playback_streams = num_playback;
+ ipc4_data->num_capture_streams = num_capture;
+ }
+
return 0;
}
diff --git a/sound/soc/sof/ipc4-priv.h b/sound/soc/sof/ipc4-priv.h
index 1d39836d5efa..f3b908b093f9 100644
--- a/sound/soc/sof/ipc4-priv.h
+++ b/sound/soc/sof/ipc4-priv.h
@@ -66,6 +66,8 @@ 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
+ * @num_playback_streams: max number of playback DMAs, needed for CHAIN_DMA offset
+ * @num_capture_streams: max number of capture DMAs
* @max_num_pipelines: max number of pipelines
* @max_libs_count: Maximum number of libraries support by the FW including the
* base firmware
@@ -79,6 +81,8 @@ struct sof_ipc4_fw_data {
void *nhlt;
enum sof_ipc4_mtrace_type mtrace_type;
u32 mtrace_log_bytes;
+ int num_playback_streams;
+ int num_capture_streams;
int max_num_pipelines;
u32 max_libs_count;
bool fw_context_save;