17 static bool is_virtual_widget(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in is_virtual_widget()  argument
20 	switch (widget->id) {  in is_virtual_widget()
24 		dev_dbg(sdev->dev, "%s: %s is a virtual widget\n", func, widget->name);  in is_virtual_widget()
31 static void sof_reset_route_setup_status(struct snd_sof_dev *sdev, struct snd_sof_widget *widget)  in sof_reset_route_setup_status()  argument
37 		if (sroute->src_widget == widget || sroute->sink_widget == widget) {  in sof_reset_route_setup_status()
65 	/* reset route setup status for all routes that contain this widget */  in sof_widget_free_unlocked()
68 	/* free DAI config and continue to free widget even if it fails */  in sof_widget_free_unlocked()
78 				dev_err(sdev->dev, "failed to free config for widget %s\n",  in sof_widget_free_unlocked()
79 					swidget->widget->name);  in sof_widget_free_unlocked()
101 					i, swidget->widget->name);  in sof_widget_free_unlocked()
110 	 * free the scheduler widget (same as pipe_widget) associated with the current swidget.  in sof_widget_free_unlocked()
120 		dev_dbg(sdev->dev, "widget %s freed\n", swidget->widget->name);  in sof_widget_free_unlocked()
152 	/* widget already set up */  in sof_widget_setup_unlocked()
157 	 * The scheduler widget for a pipeline is not part of the connected DAPM  in sof_widget_setup_unlocked()
158 	 * widget list and it needs to be set up before the widgets in the pipeline  in sof_widget_setup_unlocked()
159 	 * are set up. The use_count for the scheduler widget is incremented for every  in sof_widget_setup_unlocked()
160 	 * widget in a given pipeline to ensure that it is freed only after the last  in sof_widget_setup_unlocked()
161 	 * widget in the pipeline is freed. Skip setting up scheduler widget for static pipelines.  in sof_widget_setup_unlocked()
165 			dev_err(sdev->dev, "No pipeline set for %s\n", swidget->widget->name);  in sof_widget_setup_unlocked()
181 					i, swidget->widget->name);  in sof_widget_setup_unlocked()
187 	/* setup widget in the DSP */  in sof_widget_setup_unlocked()
209 	/* restore kcontrols for widget */  in sof_widget_setup_unlocked()
216 	dev_dbg(sdev->dev, "widget %s setup complete\n", swidget->widget->name);  in sof_widget_setup_unlocked()
221 	/* widget use_count will be decremented by sof_widget_free() */  in sof_widget_setup_unlocked()
266 	if (is_virtual_widget(sdev, src_widget->widget, __func__) ||  in sof_route_setup()
267 	    is_virtual_widget(sdev, sink_widget->widget, __func__))  in sof_route_setup()
302 	struct snd_soc_dapm_widget *widget;  in sof_setup_pipeline_connections()  local
315 		for_each_dapm_widgets(list, i, widget) {  in sof_setup_pipeline_connections()
316 			if (!widget->dobj.private)  in sof_setup_pipeline_connections()
319 			snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_setup_pipeline_connections()
324 					ret = sof_route_setup(sdev, widget, p->sink);  in sof_setup_pipeline_connections()
331 		for_each_dapm_widgets(list, i, widget) {  in sof_setup_pipeline_connections()
332 			if (!widget->dobj.private)  in sof_setup_pipeline_connections()
335 			snd_soc_dapm_widget_for_each_source_path(widget, p) {  in sof_setup_pipeline_connections()
340 					ret = sof_route_setup(sdev, p->source, widget);  in sof_setup_pipeline_connections()
349 	 * The above loop handles connections between widgets that belong to the DAPM widget list.  in sof_setup_pipeline_connections()
361 		src_widget_in_dapm_list = widget_in_list(list, sroute->src_widget->widget);  in sof_setup_pipeline_connections()
362 		sink_widget_in_dapm_list = widget_in_list(list, sroute->sink_widget->widget);  in sof_setup_pipeline_connections()
373 		 * At this point either the source widget or the sink widget is in the DAPM list  in sof_setup_pipeline_connections()
374 		 * with a route that might need to be set up. Check the use_count of the widget  in sof_setup_pipeline_connections()
391 			 * this route will get freed when either the source widget or the sink  in sof_setup_pipeline_connections()
392 			 * widget is freed during hw_free  in sof_setup_pipeline_connections()
409 sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in sof_unprepare_widgets_in_path()  argument
413 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_unprepare_widgets_in_path()
417 	if (is_virtual_widget(sdev, widget, __func__))  in sof_unprepare_widgets_in_path()
420 	/* skip if the widget is in use or if it is already unprepared */  in sof_unprepare_widgets_in_path()
424 	widget_ops = tplg_ops ? tplg_ops->widget : NULL;  in sof_unprepare_widgets_in_path()
425 	if (widget_ops && widget_ops[widget->id].ipc_unprepare)  in sof_unprepare_widgets_in_path()
426 		/* unprepare the source widget */  in sof_unprepare_widgets_in_path()
427 		widget_ops[widget->id].ipc_unprepare(swidget);  in sof_unprepare_widgets_in_path()
433 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_unprepare_widgets_in_path()
445 sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in sof_prepare_widgets_in_path()  argument
452 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_prepare_widgets_in_path()
457 	if (is_virtual_widget(sdev, widget, __func__))  in sof_prepare_widgets_in_path()
460 	widget_ops = tplg_ops ? tplg_ops->widget : NULL;  in sof_prepare_widgets_in_path()
464 	if (!swidget || !widget_ops[widget->id].ipc_prepare || swidget->prepared)  in sof_prepare_widgets_in_path()
467 	/* prepare the source widget */  in sof_prepare_widgets_in_path()
468 	ret = widget_ops[widget->id].ipc_prepare(swidget, fe_params, platform_params,  in sof_prepare_widgets_in_path()
471 		dev_err(sdev->dev, "failed to prepare widget %s\n", widget->name);  in sof_prepare_widgets_in_path()
479 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_prepare_widgets_in_path()
489 				/* unprepare the source widget */  in sof_prepare_widgets_in_path()
490 				if (widget_ops[widget->id].ipc_unprepare &&  in sof_prepare_widgets_in_path()
492 					widget_ops[widget->id].ipc_unprepare(swidget);  in sof_prepare_widgets_in_path()
504  * free all widgets in the sink path starting from the source widget
507 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
515 	if (is_virtual_widget(sdev, widget, __func__))  in sof_free_widgets_in_path()
518 	if (widget->dobj.private) {  in sof_free_widgets_in_path()
519 		err = sof_widget_free(sdev, widget->dobj.private);  in sof_free_widgets_in_path()
525 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_free_widgets_in_path()
543  * set up all widgets in the sink path starting from the source widget
547 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
552 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_set_up_widgets_in_path()
557 	if (is_virtual_widget(sdev, widget, __func__))  in sof_set_up_widgets_in_path()
563 		ret = sof_widget_setup(sdev, widget->dobj.private);  in sof_set_up_widgets_in_path()
572 		 * Add the widget's pipe_widget to the list of pipelines to be triggered if not  in sof_set_up_widgets_in_path()
589 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_set_up_widgets_in_path()
616 	struct snd_soc_dapm_widget *widget;  in sof_walk_widgets_in_order()  local
624 	for_each_dapm_widgets(list, i, widget) {  in sof_walk_widgets_in_order()
625 		if (is_virtual_widget(sdev, widget, __func__))  in sof_walk_widgets_in_order()
628 		/* starting widget for playback is AIF type */  in sof_walk_widgets_in_order()
629 		if (dir == SNDRV_PCM_STREAM_PLAYBACK && widget->id != snd_soc_dapm_aif_in)  in sof_walk_widgets_in_order()
632 		/* starting widget for capture is DAI type */  in sof_walk_widgets_in_order()
633 		if (dir == SNDRV_PCM_STREAM_CAPTURE && widget->id != snd_soc_dapm_dai_out)  in sof_walk_widgets_in_order()
638 			ret = sof_set_up_widgets_in_path(sdev, widget, dir, spcm);  in sof_walk_widgets_in_order()
642 			ret = sof_free_widgets_in_path(sdev, widget, dir, spcm);  in sof_walk_widgets_in_order()
652 			 * widget is modified by the source widget in the path. Use a local  in sof_walk_widgets_in_order()
658 			ret = sof_prepare_widgets_in_path(sdev, widget, fe_params, platform_params,  in sof_walk_widgets_in_order()
663 			sof_unprepare_widgets_in_path(sdev, widget, list);  in sof_walk_widgets_in_order()
666 			dev_err(sdev->dev, "Invalid widget op %d\n", op);  in sof_walk_widgets_in_order()
685 	struct snd_soc_dapm_widget *widget;  in sof_widget_list_setup()  local
694 	 * instance ID and pick the widget configuration based on the runtime PCM params.  in sof_widget_list_setup()
701 	/* Set up is used to send the IPC to the DSP to create the widget */  in sof_widget_list_setup()
719 	for_each_dapm_widgets(list, i, widget) {  in sof_widget_list_setup()
720 		struct snd_sof_widget *swidget = widget->dobj.private;  in sof_widget_list_setup()
730 				swidget->widget->name);  in sof_widget_list_setup()
737 			dev_err(sdev->dev, "error: no pipeline widget found for %s\n",  in sof_widget_list_setup()
738 				swidget->widget->name);  in sof_widget_list_setup()
775 	/* send IPC to free widget in the DSP */  in sof_widget_list_free()
778 	/* unprepare the widget */  in sof_widget_list_free()
861 	/* free widget list */  in sof_pcm_stream_free()
927 		if (strcmp(name, swidget->widget->name) == 0)  in snd_sof_find_swidget()
934 /* find widget by stream name and direction */
949 		if (!strcmp(pcm_name, swidget->widget->sname) &&  in snd_sof_find_swidget_sname()