Unverified Commit af74dbd0 authored by Rander Wang's avatar Rander Wang Committed by Mark Brown
Browse files

ASoC: SOF: ipc4-pcm: allocate time info for pcm delay feature 



Allocate time info when pcm is loaded by topology
and free it when pcm is unloaded by topology.

Signed-off-by: default avatarRander Wang <rander.wang@intel.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230202132954.26773-5-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 65a8ef49

sound/soc/sof/ipc4-pcm.c

+25 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include "sof-priv.h"

#include "ipc4-priv.h"

#include "ipc4-topology.h"

#include "ipc4-fw-reg.h"



static int sof_ipc4_set_multi_pipeline_state(struct snd_sof_dev *sdev, u32 state,

					     struct ipc4_pipeline_set_state_data *trigger_list)
@@ -410,6 +411,8 @@ static void sof_ipc4_pcm_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm 
		pipeline_list = &spcm->stream[stream].pipeline_list;

		kfree(pipeline_list->pipelines);

		pipeline_list->pipelines = NULL;

		kfree(spcm->stream[stream].private);

		spcm->stream[stream].private = NULL;

	}

}
@@ -417,8 +420,19 @@ static int sof_ipc4_pcm_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm 
{

	struct snd_sof_pcm_stream_pipeline_list *pipeline_list;

	struct sof_ipc4_fw_data *ipc4_data = sdev->private;

	struct sof_ipc4_timestamp_info *stream_info;

	bool support_info = true;

	u32 abi_version;

	u32 abi_offset;

	int stream;



	abi_offset = offsetof(struct sof_ipc4_fw_registers, abi_ver);

	sof_mailbox_read(sdev, sdev->fw_info_box.offset + abi_offset, &abi_version,

			 sizeof(abi_version));



	if (abi_version < SOF_IPC4_FW_REGS_ABI_VER)

		support_info = false;



	for_each_pcm_streams(stream) {

		pipeline_list = &spcm->stream[stream].pipeline_list;
@@ -429,6 +443,17 @@ static int sof_ipc4_pcm_setup(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm 
			sof_ipc4_pcm_free(sdev, spcm);

			return -ENOMEM;

		}



		if (!support_info)

			continue;



		stream_info = kzalloc(sizeof(*stream_info), GFP_KERNEL);

		if (!stream_info) {

			sof_ipc4_pcm_free(sdev, spcm);

			return -ENOMEM;

		}



		spcm->stream[stream].private = stream_info;

	}



	return 0;