diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/ipc4-pcm.c | 36 | ||||
| -rw-r--r-- | sound/soc/sof/sof-audio.h | 11 |
2 files changed, 47 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc4-pcm.c b/sound/soc/sof/ipc4-pcm.c index 23de58d7d06b..05515e8e6f57 100644 --- a/sound/soc/sof/ipc4-pcm.c +++ b/sound/soc/sof/ipc4-pcm.c @@ -215,8 +215,44 @@ static int sof_ipc4_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd, return 0; } +static void sof_ipc4_pcm_free(struct snd_sof_dev *sdev, struct snd_sof_pcm *spcm) +{ + struct snd_sof_pcm_stream_pipeline_list *pipeline_list; + int stream; + + for_each_pcm_streams(stream) { + pipeline_list = &spcm->stream[stream].pipeline_list; + kfree(pipeline_list->pipe_widgets); + pipeline_list->pipe_widgets = NULL; + } +} + +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; + int stream; + + for_each_pcm_streams(stream) { + pipeline_list = &spcm->stream[stream].pipeline_list; + + /* allocate memory for max number of pipeline IDs */ + pipeline_list->pipe_widgets = kcalloc(ipc4_data->max_num_pipelines, + sizeof(struct snd_sof_widget *), + GFP_KERNEL); + if (!pipeline_list->pipe_widgets) { + sof_ipc4_pcm_free(sdev, spcm); + return -ENOMEM; + } + } + + return 0; +} + const struct sof_ipc_pcm_ops ipc4_pcm_ops = { .trigger = sof_ipc4_pcm_trigger, .hw_free = sof_ipc4_pcm_hw_free, .dai_link_fixup = sof_ipc4_pcm_dai_link_fixup, + .pcm_setup = sof_ipc4_pcm_setup, + .pcm_free = sof_ipc4_pcm_free, }; diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h index bcde2ebaf022..bb5c61dd9b1e 100644 --- a/sound/soc/sof/sof-audio.h +++ b/sound/soc/sof/sof-audio.h @@ -285,6 +285,16 @@ struct sof_token_info { int count; }; +/** + * struct snd_sof_pcm_stream_pipeline_list - List of pipelines associated with a PCM stream + * @count: number of pipeline widgets in the @pipe_widgets array + * @pipe_widgets: array of pipeline widgets + */ +struct snd_sof_pcm_stream_pipeline_list { + u32 count; + struct snd_sof_widget **pipe_widgets; +}; + /* PCM stream, mapped to FW component */ struct snd_sof_pcm_stream { u32 comp_id; @@ -300,6 +310,7 @@ struct snd_sof_pcm_stream { * active or not while suspending the stream */ bool suspend_ignored; + struct snd_sof_pcm_stream_pipeline_list pipeline_list; }; /* ALSA SOF PCM device */ |