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()
61 	/* reset route setup status for all routes that contain this widget */  in sof_widget_free_unlocked()
64 	/* free DAI config and continue to free widget even if it fails */  in sof_widget_free_unlocked()
74 				dev_err(sdev->dev, "failed to free config for widget %s\n",  in sof_widget_free_unlocked()
75 					swidget->widget->name);  in sof_widget_free_unlocked()
97 					i, swidget->widget->name);  in sof_widget_free_unlocked()
106 	 * free the scheduler widget (same as pipe_widget) associated with the current swidget.  in sof_widget_free_unlocked()
117 		dev_dbg(sdev->dev, "widget %s freed\n", swidget->widget->name);  in sof_widget_free_unlocked()
149 	/* widget already set up */  in sof_widget_setup_unlocked()
154 	 * The scheduler widget for a pipeline is not part of the connected DAPM  in sof_widget_setup_unlocked()
155 	 * widget list and it needs to be set up before the widgets in the pipeline  in sof_widget_setup_unlocked()
156 	 * are set up. The use_count for the scheduler widget is incremented for every  in sof_widget_setup_unlocked()
157 	 * widget in a given pipeline to ensure that it is freed only after the last  in sof_widget_setup_unlocked()
158 	 * widget in the pipeline is freed. Skip setting up scheduler widget for static pipelines.  in sof_widget_setup_unlocked()
162 			dev_err(sdev->dev, "No pipeline set for %s\n", swidget->widget->name);  in sof_widget_setup_unlocked()
178 					i, swidget->widget->name);  in sof_widget_setup_unlocked()
184 	/* setup widget in the DSP */  in sof_widget_setup_unlocked()
206 	/* restore kcontrols for widget */  in sof_widget_setup_unlocked()
213 	dev_dbg(sdev->dev, "widget %s setup complete\n", swidget->widget->name);  in sof_widget_setup_unlocked()
218 	/* widget use_count will be decremented by sof_widget_free() */  in sof_widget_setup_unlocked()
263 	if (is_virtual_widget(sdev, src_widget->widget, __func__) ||  in sof_route_setup()
264 	    is_virtual_widget(sdev, sink_widget->widget, __func__))  in sof_route_setup()
299 	struct snd_soc_dapm_widget *widget;  in sof_setup_pipeline_connections()  local
312 		for_each_dapm_widgets(list, i, widget) {  in sof_setup_pipeline_connections()
313 			if (!widget->dobj.private)  in sof_setup_pipeline_connections()
316 			snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_setup_pipeline_connections()
321 					ret = sof_route_setup(sdev, widget, p->sink);  in sof_setup_pipeline_connections()
328 		for_each_dapm_widgets(list, i, widget) {  in sof_setup_pipeline_connections()
329 			if (!widget->dobj.private)  in sof_setup_pipeline_connections()
332 			snd_soc_dapm_widget_for_each_source_path(widget, p) {  in sof_setup_pipeline_connections()
337 					ret = sof_route_setup(sdev, p->source, widget);  in sof_setup_pipeline_connections()
346 	 * The above loop handles connections between widgets that belong to the DAPM widget list.  in sof_setup_pipeline_connections()
358 		src_widget_in_dapm_list = widget_in_list(list, sroute->src_widget->widget);  in sof_setup_pipeline_connections()
359 		sink_widget_in_dapm_list = widget_in_list(list, sroute->sink_widget->widget);  in sof_setup_pipeline_connections()
370 		 * At this point either the source widget or the sink widget is in the DAPM list  in sof_setup_pipeline_connections()
371 		 * with a route that might need to be set up. Check the use_count of the widget  in sof_setup_pipeline_connections()
388 			 * this route will get freed when either the source widget or the sink  in sof_setup_pipeline_connections()
389 			 * widget is freed during hw_free  in sof_setup_pipeline_connections()
406 sof_unprepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in sof_unprepare_widgets_in_path()  argument
410 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_unprepare_widgets_in_path()
414 	if (is_virtual_widget(sdev, widget, __func__))  in sof_unprepare_widgets_in_path()
417 	/* skip if the widget is in use or if it is already unprepared */  in sof_unprepare_widgets_in_path()
421 	widget_ops = tplg_ops ? tplg_ops->widget : NULL;  in sof_unprepare_widgets_in_path()
422 	if (widget_ops && widget_ops[widget->id].ipc_unprepare)  in sof_unprepare_widgets_in_path()
423 		/* unprepare the source widget */  in sof_unprepare_widgets_in_path()
424 		widget_ops[widget->id].ipc_unprepare(swidget);  in sof_unprepare_widgets_in_path()
430 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_unprepare_widgets_in_path()
442 sof_prepare_widgets_in_path(struct snd_sof_dev *sdev, struct snd_soc_dapm_widget *widget,  in sof_prepare_widgets_in_path()  argument
449 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_prepare_widgets_in_path()
454 	if (is_virtual_widget(sdev, widget, __func__))  in sof_prepare_widgets_in_path()
457 	widget_ops = tplg_ops ? tplg_ops->widget : NULL;  in sof_prepare_widgets_in_path()
461 	if (!swidget || !widget_ops[widget->id].ipc_prepare || swidget->prepared)  in sof_prepare_widgets_in_path()
464 	/* prepare the source widget */  in sof_prepare_widgets_in_path()
465 	ret = widget_ops[widget->id].ipc_prepare(swidget, fe_params, platform_params,  in sof_prepare_widgets_in_path()
468 		dev_err(sdev->dev, "failed to prepare widget %s\n", widget->name);  in sof_prepare_widgets_in_path()
476 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_prepare_widgets_in_path()
486 				/* unprepare the source widget */  in sof_prepare_widgets_in_path()
487 				if (widget_ops[widget->id].ipc_unprepare &&  in sof_prepare_widgets_in_path()
489 					widget_ops[widget->id].ipc_unprepare(swidget);  in sof_prepare_widgets_in_path()
501  * free all widgets in the sink path starting from the source widget
504 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
512 	if (is_virtual_widget(sdev, widget, __func__))  in sof_free_widgets_in_path()
515 	if (widget->dobj.private) {  in sof_free_widgets_in_path()
516 		err = sof_widget_free(sdev, widget->dobj.private);  in sof_free_widgets_in_path()
522 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_free_widgets_in_path()
540  * set up all widgets in the sink path starting from the source widget
544 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
549 	struct snd_sof_widget *swidget = widget->dobj.private;  in sof_set_up_widgets_in_path()
554 	if (is_virtual_widget(sdev, widget, __func__))  in sof_set_up_widgets_in_path()
560 		ret = sof_widget_setup(sdev, widget->dobj.private);  in sof_set_up_widgets_in_path()
569 		 * Add the widget's pipe_widget to the list of pipelines to be triggered if not  in sof_set_up_widgets_in_path()
586 	snd_soc_dapm_widget_for_each_sink_path(widget, p) {  in sof_set_up_widgets_in_path()
613 	struct snd_soc_dapm_widget *widget;  in sof_walk_widgets_in_order()  local
621 	for_each_dapm_widgets(list, i, widget) {  in sof_walk_widgets_in_order()
622 		if (is_virtual_widget(sdev, widget, __func__))  in sof_walk_widgets_in_order()
625 		/* starting widget for playback is AIF type */  in sof_walk_widgets_in_order()
626 		if (dir == SNDRV_PCM_STREAM_PLAYBACK && widget->id != snd_soc_dapm_aif_in)  in sof_walk_widgets_in_order()
629 		/* starting widget for capture is DAI type */  in sof_walk_widgets_in_order()
630 		if (dir == SNDRV_PCM_STREAM_CAPTURE && widget->id != snd_soc_dapm_dai_out)  in sof_walk_widgets_in_order()
635 			ret = sof_set_up_widgets_in_path(sdev, widget, dir, spcm);  in sof_walk_widgets_in_order()
639 			ret = sof_free_widgets_in_path(sdev, widget, dir, spcm);  in sof_walk_widgets_in_order()
649 			 * widget is modified by the source widget in the path. Use a local  in sof_walk_widgets_in_order()
655 			ret = sof_prepare_widgets_in_path(sdev, widget, fe_params, platform_params,  in sof_walk_widgets_in_order()
660 			sof_unprepare_widgets_in_path(sdev, widget, list);  in sof_walk_widgets_in_order()
663 			dev_err(sdev->dev, "Invalid widget op %d\n", op);  in sof_walk_widgets_in_order()
682 	struct snd_soc_dapm_widget *widget;  in sof_widget_list_setup()  local
691 	 * instance ID and pick the widget configuration based on the runtime PCM params.  in sof_widget_list_setup()
698 	/* Set up is used to send the IPC to the DSP to create the widget */  in sof_widget_list_setup()
716 	for_each_dapm_widgets(list, i, widget) {  in sof_widget_list_setup()
717 		struct snd_sof_widget *swidget = widget->dobj.private;  in sof_widget_list_setup()
727 				swidget->widget->name);  in sof_widget_list_setup()
734 			dev_err(sdev->dev, "error: no pipeline widget found for %s\n",  in sof_widget_list_setup()
735 				swidget->widget->name);  in sof_widget_list_setup()
772 	/* send IPC to free widget in the DSP */  in sof_widget_list_free()
775 	/* unprepare the widget */  in sof_widget_list_free()
867 	/* free widget list */  in sof_pcm_stream_free()
937 		if (strcmp(name, swidget->widget->name) == 0)  in snd_sof_find_swidget()
944 /* find widget by stream name and direction */
959 		if (!strcmp(pcm_name, swidget->widget->sname) &&  in snd_sof_find_swidget_sname()