16 static bool is_virtual_widget(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in is_virtual_widget()  argument
19 	switch (widget->id) {  in is_virtual_widget()
23 		dev_dbg(sdev->dev, "%s: %s is a virtual widget\n", func, widget->name);  in is_virtual_widget()
30 static void sof_reset_route_setup_status(struct snd_sof_dev *sdev, struct snd_sof_widget *widget)  in sof_reset_route_setup_status()  argument
36 		if (sroute->src_widget == widget || sroute->sink_widget == widget) {  in sof_reset_route_setup_status()
64 	/* reset route setup status for all routes that contain this widget */  in sof_widget_free_unlocked()
67 	/* free DAI config and continue to free widget even if it fails */  in sof_widget_free_unlocked()
77 				dev_err(sdev->dev, "failed to free config for widget %s\n",  in sof_widget_free_unlocked()
78 					swidget->widget->name);  in sof_widget_free_unlocked()
100 					i, swidget->widget->name);  in sof_widget_free_unlocked()
109 	 * free the scheduler widget (same as pipe_widget) associated with the current swidget.  in sof_widget_free_unlocked()
119 		dev_dbg(sdev->dev, "widget %s freed\n", swidget->widget->name);  in sof_widget_free_unlocked()
151 	/* widget already set up */  in sof_widget_setup_unlocked()
156 	 * The scheduler widget for a pipeline is not part of the connected DAPM  in sof_widget_setup_unlocked()
157 	 * widget list and it needs to be set up before the widgets in the pipeline  in sof_widget_setup_unlocked()
158 	 * are set up. The use_count for the scheduler widget is incremented for every  in sof_widget_setup_unlocked()
159 	 * widget in a given pipeline to ensure that it is freed only after the last  in sof_widget_setup_unlocked()
160 	 * widget in the pipeline is freed. Skip setting up scheduler widget for static pipelines.  in sof_widget_setup_unlocked()
164 			dev_err(sdev->dev, "No pipeline set for %s\n", swidget->widget->name);  in sof_widget_setup_unlocked()
180 					i, swidget->widget->name);  in sof_widget_setup_unlocked()
186 	/* setup widget in the DSP */  in sof_widget_setup_unlocked()
208 	/* restore kcontrols for widget */  in sof_widget_setup_unlocked()
215 	dev_dbg(sdev->dev, "widget %s setup complete\n", swidget->widget->name);  in sof_widget_setup_unlocked()
220 	/* widget use_count will be decremented by sof_widget_free() */  in sof_widget_setup_unlocked()
265 	if (is_virtual_widget(sdev, src_widget->widget, __func__) ||  in sof_route_setup()
266 	    is_virtual_widget(sdev, sink_widget->widget, __func__))  in sof_route_setup()
301 	struct snd_soc_dapm_widget *widget;  in sof_setup_pipeline_connections()  local
314 		for_each_dapm_widgets(list, i, widget) {  in sof_setup_pipeline_connections()
315 			if (!widget->dobj.private)  in sof_setup_pipeline_connections()
318 			snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_setup_pipeline_connections()
323 					ret = sof_route_setup(sdev, widget, p->sink);  in sof_setup_pipeline_connections()
330 		for_each_dapm_widgets(list, i, widget) {  in sof_setup_pipeline_connections()
331 			if (!widget->dobj.private)  in sof_setup_pipeline_connections()
334 			snd_soc_dapm_widget_for_each_source_path(widget, p) {  in sof_setup_pipeline_connections()
339 					ret = sof_route_setup(sdev, p->source, widget);  in sof_setup_pipeline_connections()
348 	 * The above loop handles connections between widgets that belong to the DAPM widget list.  in sof_setup_pipeline_connections()
360 		src_widget_in_dapm_list = widget_in_list(list, sroute->src_widget->widget);  in sof_setup_pipeline_connections()
361 		sink_widget_in_dapm_list = widget_in_list(list, sroute->sink_widget->widget);  in sof_setup_pipeline_connections()
372 		 * At this point either the source widget or the sink widget is in the DAPM list  in sof_setup_pipeline_connections()
373 		 * with a route that might need to be set up. Check the use_count of the widget  in sof_setup_pipeline_connections()
390 			 * this route will get freed when either the source widget or the sink  in sof_setup_pipeline_connections()
391 			 * widget is freed during hw_free  in sof_setup_pipeline_connections()
408 sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in sof_unprepare_widgets_in_path()  argument
412 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_unprepare_widgets_in_path()
416 	if (is_virtual_widget(sdev, widget, __func__))  in sof_unprepare_widgets_in_path()
419 	/* skip if the widget is in use or if it is already unprepared */  in sof_unprepare_widgets_in_path()
423 	widget_ops = tplg_ops ? tplg_ops->widget : NULL;  in sof_unprepare_widgets_in_path()
424 	if (widget_ops && widget_ops[widget->id].ipc_unprepare)  in sof_unprepare_widgets_in_path()
425 		/* unprepare the source widget */  in sof_unprepare_widgets_in_path()
426 		widget_ops[widget->id].ipc_unprepare(swidget);  in sof_unprepare_widgets_in_path()
432 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_unprepare_widgets_in_path()
444 sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in sof_prepare_widgets_in_path()  argument
451 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_prepare_widgets_in_path()
456 	if (is_virtual_widget(sdev, widget, __func__))  in sof_prepare_widgets_in_path()
459 	widget_ops = tplg_ops ? tplg_ops->widget : NULL;  in sof_prepare_widgets_in_path()
463 	if (!swidget || !widget_ops[widget->id].ipc_prepare || swidget->prepared)  in sof_prepare_widgets_in_path()
466 	/* prepare the source widget */  in sof_prepare_widgets_in_path()
467 	ret = widget_ops[widget->id].ipc_prepare(swidget, fe_params, platform_params,  in sof_prepare_widgets_in_path()
470 		dev_err(sdev->dev, "failed to prepare widget %s\n", widget->name);  in sof_prepare_widgets_in_path()
478 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_prepare_widgets_in_path()
488 				/* unprepare the source widget */  in sof_prepare_widgets_in_path()
489 				if (widget_ops[widget->id].ipc_unprepare &&  in sof_prepare_widgets_in_path()
491 					widget_ops[widget->id].ipc_unprepare(swidget);  in sof_prepare_widgets_in_path()
503  * free all widgets in the sink path starting from the source widget
506 static int sof_free_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in sof_free_widgets_in_path()  argument
514 	if (is_virtual_widget(sdev, widget, __func__))  in sof_free_widgets_in_path()
517 	if (widget->dobj.private) {  in sof_free_widgets_in_path()
518 		err = sof_widget_free(sdev, widget->dobj.private);  in sof_free_widgets_in_path()
524 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_free_widgets_in_path()
542  * set up all widgets in the sink path starting from the source widget
546 static int sof_set_up_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in sof_set_up_widgets_in_path()  argument
551 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_set_up_widgets_in_path()
556 	if (is_virtual_widget(sdev, widget, __func__))  in sof_set_up_widgets_in_path()
562 		ret = sof_widget_setup(sdev, widget->dobj.private);  in sof_set_up_widgets_in_path()
571 		 * Add the widget's pipe_widget to the list of pipelines to be triggered if not  in sof_set_up_widgets_in_path()
588 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_set_up_widgets_in_path()
615 	struct snd_soc_dapm_widget *widget;  in sof_walk_widgets_in_order()  local
623 	for_each_dapm_widgets(list, i, widget) {  in sof_walk_widgets_in_order()
624 		if (is_virtual_widget(sdev, widget, __func__))  in sof_walk_widgets_in_order()
627 		/* starting widget for playback is AIF type */  in sof_walk_widgets_in_order()
628 		if (dir == SNDRV_PCM_STREAM_PLAYBACK && widget->id != snd_soc_dapm_aif_in)  in sof_walk_widgets_in_order()
631 		/* starting widget for capture is DAI type */  in sof_walk_widgets_in_order()
632 		if (dir == SNDRV_PCM_STREAM_CAPTURE && widget->id != snd_soc_dapm_dai_out)  in sof_walk_widgets_in_order()
637 			ret = sof_set_up_widgets_in_path(sdev, widget, dir, spcm);  in sof_walk_widgets_in_order()
641 			ret = sof_free_widgets_in_path(sdev, widget, dir, spcm);  in sof_walk_widgets_in_order()
651 			 * widget is modified by the source widget in the path. Use a local  in sof_walk_widgets_in_order()
657 			ret = sof_prepare_widgets_in_path(sdev, widget, fe_params, platform_params,  in sof_walk_widgets_in_order()
662 			sof_unprepare_widgets_in_path(sdev, widget, list);  in sof_walk_widgets_in_order()
665 			dev_err(sdev->dev, "Invalid widget op %d\n", op);  in sof_walk_widgets_in_order()
684 	struct snd_soc_dapm_widget *widget;  in sof_widget_list_setup()  local
693 	 * instance ID and pick the widget configuration based on the runtime PCM params.  in sof_widget_list_setup()
700 	/* Set up is used to send the IPC to the DSP to create the widget */  in sof_widget_list_setup()
718 	for_each_dapm_widgets(list, i, widget) {  in sof_widget_list_setup()
719 		struct snd_sof_widget *swidget = widget->dobj.private;  in sof_widget_list_setup()
729 				swidget->widget->name);  in sof_widget_list_setup()
736 			dev_err(sdev->dev, "error: no pipeline widget found for %s\n",  in sof_widget_list_setup()
737 				swidget->widget->name);  in sof_widget_list_setup()
774 	/* send IPC to free widget in the DSP */  in sof_widget_list_free()
777 	/* unprepare the widget */  in sof_widget_list_free()
860 	/* free widget list */  in sof_pcm_stream_free()
926 		if (strcmp(name, swidget->widget->name) == 0)  in snd_sof_find_swidget()
933 /* find widget by stream name and direction */
948 		if (!strcmp(pcm_name, swidget->widget->sname) &&  in snd_sof_find_swidget_sname()