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

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

Signed-off-by: Rander Wang <rander.wang@intel.com>
Reviewed-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>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20230202132954.26773-5-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rander Wang 2023-02-02 15:29:49 +02:00 committed by Mark Brown
parent 65a8ef494a
commit af74dbd0db
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 25 additions and 0 deletions
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25
sound/soc/sof/ipc4-pcm.c
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@ -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;