105 		struct intel_th *th = to_intel_th(hub);  in intel_th_remove()  local
121 		for (i = 0, lowest = -1; i < th->num_thdevs; i++) {  in intel_th_remove()
124 			 * th->thdev[] array to lower positions to maintain  in intel_th_remove()
127 			if (th->thdev[i]->type != INTEL_TH_OUTPUT) {  in intel_th_remove()
129 					th->thdev[lowest] = th->thdev[i];  in intel_th_remove()
130 					th->thdev[i] = NULL;  in intel_th_remove()
140 			intel_th_device_remove(th->thdev[i]);  in intel_th_remove()
141 			th->thdev[i] = NULL;  in intel_th_remove()
145 			th->num_thdevs = lowest;  in intel_th_remove()
192 	struct intel_th *th = to_intel_th(thdev);  in intel_th_output_devnode()  local
196 		node = kasprintf(GFP_KERNEL, "intel_th%d/%s%d", th->id,  in intel_th_output_devnode()
199 		node = kasprintf(GFP_KERNEL, "intel_th%d/%s", th->id,  in intel_th_output_devnode()
238 	struct intel_th *th = to_intel_th(thdev);  in intel_th_output_activate()  local
249 	if (th->activate)  in intel_th_output_activate()
250 		ret = th->activate(th);  in intel_th_output_activate()
266 	if (th->deactivate)  in intel_th_output_activate()
267 		th->deactivate(th);  in intel_th_output_activate()
280 	struct intel_th *th = to_intel_th(thdev);  in intel_th_output_deactivate()  local
290 	if (th->deactivate)  in intel_th_output_deactivate()
291 		th->deactivate(th);  in intel_th_output_deactivate()
372 intel_th_device_alloc(struct intel_th *th, unsigned int type, const char *name,  in intel_th_device_alloc()  argument
379 		parent = &th->hub->dev;  in intel_th_device_alloc()
381 		parent = th->dev;  in intel_th_device_alloc()
399 		dev_set_name(&thdev->dev, "%d-%s%d", th->id, name, id);  in intel_th_device_alloc()
401 		dev_set_name(&thdev->dev, "%d-%s", th->id, name);  in intel_th_device_alloc()
586 	struct intel_th *th = container_of(work, struct intel_th,  in __intel_th_request_hub_module()  local
589 	request_module("intel_th_%s", th->hub->name);  in __intel_th_request_hub_module()
592 static int intel_th_request_hub_module(struct intel_th *th)  in intel_th_request_hub_module()  argument
594 	INIT_WORK(&th->request_module_work, __intel_th_request_hub_module);  in intel_th_request_hub_module()
595 	schedule_work(&th->request_module_work);  in intel_th_request_hub_module()
600 static void intel_th_request_hub_module_flush(struct intel_th *th)  in intel_th_request_hub_module_flush()  argument
602 	flush_work(&th->request_module_work);  in intel_th_request_hub_module_flush()
605 static inline int intel_th_request_hub_module(struct intel_th *th)  in intel_th_request_hub_module()  argument
610 static inline void intel_th_request_hub_module_flush(struct intel_th *th)  in intel_th_request_hub_module_flush()  argument
616 intel_th_subdevice_alloc(struct intel_th *th,  in intel_th_subdevice_alloc()  argument
624 	thdev = intel_th_device_alloc(th, subdev->type, subdev->name,  in intel_th_subdevice_alloc()
629 	thdev->drvdata = th->drvdata;  in intel_th_subdevice_alloc()
635 		struct resource *devres = th->resource;  in intel_th_subdevice_alloc()
646 			if (bar >= th->num_resources)  in intel_th_subdevice_alloc()
656 			dev_dbg(th->dev, "%s:%d @ %pR\n",  in intel_th_subdevice_alloc()
663 			if (INTEL_TH_CAP(th, has_mintctl) && th->irq != -1)  in intel_th_subdevice_alloc()
664 				res[r].start = th->irq;  in intel_th_subdevice_alloc()
674 			thdev->dev.devt = MKDEV(th->major, th->num_thdevs);  in intel_th_subdevice_alloc()
680 			INTEL_TH_CAP(th, host_mode_only) ? true : host_mode;  in intel_th_subdevice_alloc()
681 		th->hub = thdev;  in intel_th_subdevice_alloc()
690 		err = intel_th_request_hub_module(th);  in intel_th_subdevice_alloc()
708  * @th:		Intel TH instance
715 int intel_th_output_enable(struct intel_th *th, unsigned int otype)  in intel_th_output_enable()  argument
720 	for (src = 0, dst = 0; dst <= th->num_thdevs; src++, dst++) {  in intel_th_output_enable()
735 		for (; dst < th->num_thdevs; dst++) {  in intel_th_output_enable()
736 			if (th->thdev[dst]->type != INTEL_TH_OUTPUT)  in intel_th_output_enable()
739 			if (th->thdev[dst]->output.type != otype)  in intel_th_output_enable()
747 		 * not matched in th::thdev[]  in intel_th_output_enable()
749 		if (dst == th->num_thdevs)  in intel_th_output_enable()
756 	thdev = intel_th_subdevice_alloc(th, &intel_th_subdevices[src]);  in intel_th_output_enable()
760 	th->thdev[th->num_thdevs++] = thdev;  in intel_th_output_enable()
766 static int intel_th_populate(struct intel_th *th)  in intel_th_populate()  argument
777 		if ((INTEL_TH_CAP(th, host_mode_only) || host_mode) &&  in intel_th_populate()
789 		thdev = intel_th_subdevice_alloc(th, subdev);  in intel_th_populate()
790 		/* note: caller should free subdevices from th::thdev[] */  in intel_th_populate()
799 		th->thdev[th->num_thdevs++] = thdev;  in intel_th_populate()
840 	struct intel_th *th = data;  in intel_th_irq()  local
845 	for (i = 0; i < th->num_thdevs; i++) {  in intel_th_irq()
846 		if (th->thdev[i]->type != INTEL_TH_OUTPUT)  in intel_th_irq()
849 		d = to_intel_th_driver(th->thdev[i]->dev.driver);  in intel_th_irq()
851 			ret |= d->irq(th->thdev[i]);  in intel_th_irq()
858  * intel_th_alloc() - allocate a new Intel TH device and its subdevices
868 	struct intel_th *th;  in intel_th_alloc()  local
870 	th = kzalloc(sizeof(*th), GFP_KERNEL);  in intel_th_alloc()
871 	if (!th)  in intel_th_alloc()
874 	th->id = ida_simple_get(&intel_th_ida, 0, 0, GFP_KERNEL);  in intel_th_alloc()
875 	if (th->id < 0) {  in intel_th_alloc()
876 		err = th->id;  in intel_th_alloc()
880 	th->major = __register_chrdev(0, 0, TH_POSSIBLE_OUTPUTS,  in intel_th_alloc()
882 	if (th->major < 0) {  in intel_th_alloc()
883 		err = th->major;  in intel_th_alloc()
886 	th->irq = -1;  in intel_th_alloc()
887 	th->dev = dev;  in intel_th_alloc()
888 	th->drvdata = drvdata;  in intel_th_alloc()
893 			th->resource[nr_mmios++] = devres[r];  in intel_th_alloc()
898 					       dev_name(dev), th);  in intel_th_alloc()
902 			if (th->irq == -1)  in intel_th_alloc()
903 				th->irq = devres[r].start;  in intel_th_alloc()
904 			th->num_irqs++;  in intel_th_alloc()
912 	th->num_resources = nr_mmios;  in intel_th_alloc()
914 	dev_set_drvdata(dev, th);  in intel_th_alloc()
920 	err = intel_th_populate(th);  in intel_th_alloc()
923 		intel_th_free(th);  in intel_th_alloc()
927 	return th;  in intel_th_alloc()
930 	__unregister_chrdev(th->major, 0, TH_POSSIBLE_OUTPUTS,  in intel_th_alloc()
934 	ida_simple_remove(&intel_th_ida, th->id);  in intel_th_alloc()
937 	kfree(th);  in intel_th_alloc()
943 void intel_th_free(struct intel_th *th)  in intel_th_free()  argument
947 	intel_th_request_hub_module_flush(th);  in intel_th_free()
949 	intel_th_device_remove(th->hub);  in intel_th_free()
950 	for (i = 0; i < th->num_thdevs; i++) {  in intel_th_free()
951 		if (th->thdev[i] != th->hub)  in intel_th_free()
952 			intel_th_device_remove(th->thdev[i]);  in intel_th_free()
953 		th->thdev[i] = NULL;  in intel_th_free()
956 	th->num_thdevs = 0;  in intel_th_free()
958 	for (i = 0; i < th->num_irqs; i++)  in intel_th_free()
959 		devm_free_irq(th->dev, th->irq + i, th);  in intel_th_free()
961 	pm_runtime_get_sync(th->dev);  in intel_th_free()
962 	pm_runtime_forbid(th->dev);  in intel_th_free()
964 	__unregister_chrdev(th->major, 0, TH_POSSIBLE_OUTPUTS,  in intel_th_free()
967 	ida_simple_remove(&intel_th_ida, th->id);  in intel_th_free()
969 	kfree(th);  in intel_th_free()