diff options
| -rw-r--r-- | include/uapi/sound/sof/tokens.h | 1 | ||||
| -rw-r--r-- | sound/soc/sof/sof-audio.h | 13 | ||||
| -rw-r--r-- | sound/soc/sof/topology.c | 62 |
3 files changed, 75 insertions, 1 deletions
diff --git a/include/uapi/sound/sof/tokens.h b/include/uapi/sound/sof/tokens.h index a642bf30c027..02b71a8deea4 100644 --- a/include/uapi/sound/sof/tokens.h +++ b/include/uapi/sound/sof/tokens.h @@ -51,6 +51,7 @@ #define SOF_TKN_SCHED_CORE 203 #define SOF_TKN_SCHED_FRAMES 204 #define SOF_TKN_SCHED_TIME_DOMAIN 205 +#define SOF_TKN_SCHED_DYNAMIC_PIPELINE 206 /* volume */ #define SOF_TKN_VOLUME_RAMP_STEP_TYPE 250 diff --git a/sound/soc/sof/sof-audio.h b/sound/soc/sof/sof-audio.h index 78a4a0c90a29..4a1c38c5618d 100644 --- a/sound/soc/sof/sof-audio.h +++ b/sound/soc/sof/sof-audio.h @@ -81,6 +81,8 @@ struct snd_sof_control { bool comp_data_dirty; }; +struct snd_sof_widget; + /* ASoC SOF DAPM widget */ struct snd_sof_widget { struct snd_soc_component *scomp; @@ -90,8 +92,19 @@ struct snd_sof_widget { int core; int id; + /* + * Flag indicating if the widget should be set up dynamically when a PCM is opened. + * This flag is only set for the scheduler type widget in topology. During topology + * loading, this flag is propagated to all the widgets belonging to the same pipeline. + * When this flag is not set, a widget is set up at the time of topology loading + * and retained until the DSP enters D3. It will need to be set up again when resuming + * from D3. + */ + bool dynamic_pipeline_widget; + struct snd_soc_dapm_widget *widget; struct list_head list; /* list in sdev widget list */ + struct snd_sof_widget *pipe_widget; /* extended data for UUID components */ struct sof_ipc_comp_ext comp_ext; diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c index d8f7b1edefc3..60d1db6a9193 100644 --- a/sound/soc/sof/topology.c +++ b/sound/soc/sof/topology.c @@ -572,6 +572,12 @@ static const struct sof_topology_token sched_tokens[] = { offsetof(struct sof_ipc_pipe_new, time_domain), 0}, }; +static const struct sof_topology_token pipeline_tokens[] = { + {SOF_TKN_SCHED_DYNAMIC_PIPELINE, SND_SOC_TPLG_TUPLE_TYPE_BOOL, get_token_u16, + offsetof(struct snd_sof_widget, dynamic_pipeline_widget), 0}, + +}; + /* volume */ static const struct sof_topology_token volume_tokens[] = { {SOF_TKN_VOLUME_RAMP_STEP_TYPE, SND_SOC_TPLG_TUPLE_TYPE_WORD, @@ -1765,6 +1771,15 @@ static int sof_widget_load_pipeline(struct snd_soc_component *scomp, int index, goto err; } + ret = sof_parse_tokens(scomp, swidget, pipeline_tokens, + ARRAY_SIZE(pipeline_tokens), private->array, + le32_to_cpu(private->size)); + if (ret != 0) { + dev_err(scomp->dev, "error: parse dynamic pipeline token failed %d\n", + private->size); + goto err; + } + dev_dbg(scomp->dev, "pipeline %s: period %d pri %d mips %d core %d frames %d\n", swidget->widget->name, pipeline->period, pipeline->priority, pipeline->period_mips, pipeline->core, pipeline->frames_per_sched); @@ -3567,11 +3582,45 @@ int snd_sof_complete_pipeline(struct device *dev, return 1; } +/** + * sof_set_pipe_widget - Set pipe_widget for a component + * @sdev: pointer to struct snd_sof_dev + * @pipe_widget: pointer to struct snd_sof_widget of type snd_soc_dapm_scheduler + * @swidget: pointer to struct snd_sof_widget that has the same pipeline ID as @pipe_widget + * + * Return: 0 if successful, -EINVAL on error. + * The function checks if @swidget is associated with any volatile controls. If so, setting + * the dynamic_pipeline_widget is disallowed. + */ +static int sof_set_pipe_widget(struct snd_sof_dev *sdev, struct snd_sof_widget *pipe_widget, + struct snd_sof_widget *swidget) +{ + struct snd_sof_control *scontrol; + + if (pipe_widget->dynamic_pipeline_widget) { + /* dynamic widgets cannot have volatile kcontrols */ + list_for_each_entry(scontrol, &sdev->kcontrol_list, list) + if (scontrol->comp_id == swidget->comp_id && + (scontrol->access & SNDRV_CTL_ELEM_ACCESS_VOLATILE)) { + dev_err(sdev->dev, + "error: volatile control found for dynamic widget %s\n", + swidget->widget->name); + return -EINVAL; + } + } + + /* set the pipe_widget and apply the dynamic_pipeline_widget_flag */ + swidget->pipe_widget = pipe_widget; + swidget->dynamic_pipeline_widget = pipe_widget->dynamic_pipeline_widget; + + return 0; +} + /* completion - called at completion of firmware loading */ static int sof_complete(struct snd_soc_component *scomp) { struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp); - struct snd_sof_widget *swidget; + struct snd_sof_widget *swidget, *comp_swidget; int ret; /* some widget types require completion notificattion */ @@ -3586,6 +3635,17 @@ static int sof_complete(struct snd_soc_component *scomp) return ret; swidget->complete = ret; + + /* + * Apply the dynamic_pipeline_widget flag and set the pipe_widget field + * for all widgets that have the same pipeline ID as the scheduler widget + */ + list_for_each_entry_reverse(comp_swidget, &sdev->widget_list, list) + if (comp_swidget->pipeline_id == swidget->pipeline_id) { + ret = sof_set_pipe_widget(sdev, swidget, comp_swidget); + if (ret < 0) + return ret; + } break; default: break; |