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-rw-r--r--sound/soc/sof/sof-audio.h7
-rw-r--r--sound/soc/sof/topology.c14
2 files changed, 21 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h
index 28062a0c3a43..bcde2ebaf022 100644
--- a/sound/soc/sof/sof-audio.h
+++ b/sound/soc/sof/sof-audio.h
@@ -85,6 +85,7 @@ struct snd_sof_widget;
struct snd_sof_route;
struct snd_sof_control;
struct snd_sof_dai;
+struct snd_sof_pcm;
struct snd_sof_dai_config_data {
int dai_index;
@@ -97,6 +98,10 @@ struct snd_sof_dai_config_data {
* @hw_free: Function pointer for hw_free
* @trigger: Function pointer for trigger
* @dai_link_fixup: Function pointer for DAI link fixup
+ * @pcm_setup: Function pointer for IPC-specific PCM set up that can be used for allocating
+ * additional memory in the SOF PCM stream structure
+ * @pcm_free: Function pointer for PCM free that can be used for freeing any
+ * additional memory in the SOF PCM stream structure
*/
struct sof_ipc_pcm_ops {
int (*hw_params)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
@@ -106,6 +111,8 @@ struct sof_ipc_pcm_ops {
int (*trigger)(struct snd_soc_component *component, struct snd_pcm_substream *substream,
int cmd);
int (*dai_link_fixup)(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params);
+ int (*pcm_setup)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
+ void (*pcm_free)(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm);
};
/**
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index f67c39c47930..51f6fed45ae7 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1669,6 +1669,7 @@ static int sof_dai_load(struct snd_soc_component *scomp, int index,
struct snd_soc_tplg_pcm *pcm, struct snd_soc_dai *dai)
{
struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
+ const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);
struct snd_soc_tplg_stream_caps *caps;
struct snd_soc_tplg_private *private = &pcm->priv;
struct snd_sof_pcm *spcm;
@@ -1696,6 +1697,13 @@ static int sof_dai_load(struct snd_soc_component *scomp, int index,
spcm->pcm = *pcm;
dev_dbg(scomp->dev, "tplg: load pcm %s\n", pcm->dai_name);
+ /* perform pcm set op */
+ if (ipc_pcm_ops && ipc_pcm_ops->pcm_setup) {
+ ret = ipc_pcm_ops->pcm_setup(sdev, spcm);
+ if (ret < 0)
+ return ret;
+ }
+
dai_drv->dobj.private = spcm;
list_add(&spcm->list, &sdev->pcm_list);
@@ -1773,6 +1781,8 @@ free_playback_tables:
static int sof_dai_unload(struct snd_soc_component *scomp,
struct snd_soc_dobj *dobj)
{
+ struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
+ const struct sof_ipc_pcm_ops *ipc_pcm_ops = sof_ipc_get_ops(sdev, pcm);
struct snd_sof_pcm *spcm = dobj->private;
/* free PCM DMA pages */
@@ -1782,6 +1792,10 @@ static int sof_dai_unload(struct snd_soc_component *scomp,
if (spcm->pcm.capture)
snd_dma_free_pages(&spcm->stream[SNDRV_PCM_STREAM_CAPTURE].page_table);
+ /* perform pcm free op */
+ if (ipc_pcm_ops && ipc_pcm_ops->pcm_free)
+ ipc_pcm_ops->pcm_free(sdev, spcm);
+
/* remove from list and free spcm */
list_del(&spcm->list);
kfree(spcm);