32 	struct intel_th_device *thdev = to_intel_th_device(dev);  in intel_th_match()  local
34 	if (thdev->type == INTEL_TH_SWITCH &&  in intel_th_match()
38 	return !strcmp(thdev->name, driver->name);  in intel_th_match()
51 	struct intel_th_device *thdev = to_intel_th_device(dev);  in intel_th_probe()  local
56 	if (thdev->type == INTEL_TH_SWITCH)  in intel_th_probe()
57 		hub = thdev;  in intel_th_probe()
75 		ret = sysfs_create_group(&thdev->dev.kobj, thdrv->attr_group);  in intel_th_probe()
80 	if (thdev->type == INTEL_TH_OUTPUT &&  in intel_th_probe()
81 	    !intel_th_output_assigned(thdev))  in intel_th_probe()
83 		ret = hubdrv->assign(hub, thdev);  in intel_th_probe()
87 		thdrv->remove(thdev);  in intel_th_probe()
96 static void intel_th_device_remove(struct intel_th_device *thdev);
101 	struct intel_th_device *thdev = to_intel_th_device(dev);  in intel_th_remove()  local
102 	struct intel_th_device *hub = to_intel_th_hub(thdev);  in intel_th_remove()
104 	if (thdev->type == INTEL_TH_SWITCH) {  in intel_th_remove()
114 		device_for_each_child(dev, thdev, intel_th_child_remove);  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()
149 		sysfs_remove_group(&thdev->dev.kobj, thdrv->attr_group);  in intel_th_remove()
153 	thdrv->remove(thdev);  in intel_th_remove()
155 	if (intel_th_output_assigned(thdev)) {  in intel_th_remove()
161 			hubdrv->unassign(hub, thdev);  in intel_th_remove()
176 static void intel_th_device_free(struct intel_th_device *thdev);
191 	const struct intel_th_device *thdev = to_intel_th_device(dev);  in intel_th_output_devnode()  local
192 	const struct intel_th *th = to_intel_th(thdev);  in intel_th_output_devnode()
195 	if (thdev->id >= 0)  in intel_th_output_devnode()
197 				 thdev->name, thdev->id);  in intel_th_output_devnode()
200 				 thdev->name);  in intel_th_output_devnode()
208 	struct intel_th_device *thdev = to_intel_th_device(dev);  in port_show()  local
210 	if (thdev->output.port >= 0)  in port_show()
211 		return scnprintf(buf, PAGE_SIZE, "%u\n", thdev->output.port);  in port_show()
218 static void intel_th_trace_prepare(struct intel_th_device *thdev)  in intel_th_trace_prepare()  argument
220 	struct intel_th_device *hub = to_intel_th_hub(thdev);  in intel_th_trace_prepare()
226 	if (thdev->type != INTEL_TH_OUTPUT)  in intel_th_trace_prepare()
229 	pm_runtime_get_sync(&thdev->dev);  in intel_th_trace_prepare()
230 	hubdrv->prepare(hub, &thdev->output);  in intel_th_trace_prepare()
231 	pm_runtime_put(&thdev->dev);  in intel_th_trace_prepare()
234 static int intel_th_output_activate(struct intel_th_device *thdev)  in intel_th_output_activate()  argument
237 		to_intel_th_driver_or_null(thdev->dev.driver);  in intel_th_output_activate()
238 	struct intel_th *th = to_intel_th(thdev);  in intel_th_output_activate()
247 	pm_runtime_get_sync(&thdev->dev);  in intel_th_output_activate()
254 	intel_th_trace_prepare(thdev);  in intel_th_output_activate()
256 		ret = thdrv->activate(thdev);  in intel_th_output_activate()
258 		intel_th_trace_enable(thdev);  in intel_th_output_activate()
270 	pm_runtime_put(&thdev->dev);  in intel_th_output_activate()
276 static void intel_th_output_deactivate(struct intel_th_device *thdev)  in intel_th_output_deactivate()  argument
279 		to_intel_th_driver_or_null(thdev->dev.driver);  in intel_th_output_deactivate()
280 	struct intel_th *th = to_intel_th(thdev);  in intel_th_output_deactivate()
286 		thdrv->deactivate(thdev);  in intel_th_output_deactivate()
288 		intel_th_trace_disable(thdev);  in intel_th_output_deactivate()
293 	pm_runtime_put(&thdev->dev);  in intel_th_output_deactivate()
300 	struct intel_th_device *thdev = to_intel_th_device(dev);  in active_show()  local
302 	return scnprintf(buf, PAGE_SIZE, "%d\n", thdev->output.active);  in active_show()
308 	struct intel_th_device *thdev = to_intel_th_device(dev);  in active_store()  local
316 	if (!!val != thdev->output.active) {  in active_store()
318 			ret = intel_th_output_activate(thdev);  in active_store()
320 			intel_th_output_deactivate(thdev);  in active_store()
376 	struct intel_th_device *thdev;  in intel_th_device_alloc()  local
383 	thdev = kzalloc(sizeof(*thdev) + strlen(name) + 1, GFP_KERNEL);  in intel_th_device_alloc()
384 	if (!thdev)  in intel_th_device_alloc()
387 	thdev->id = id;  in intel_th_device_alloc()
388 	thdev->type = type;  in intel_th_device_alloc()
390 	strcpy(thdev->name, name);  in intel_th_device_alloc()
391 	device_initialize(&thdev->dev);  in intel_th_device_alloc()
392 	thdev->dev.bus = &intel_th_bus;  in intel_th_device_alloc()
393 	thdev->dev.type = intel_th_device_type[type];  in intel_th_device_alloc()
394 	thdev->dev.parent = parent;  in intel_th_device_alloc()
395 	thdev->dev.dma_mask = parent->dma_mask;  in intel_th_device_alloc()
396 	thdev->dev.dma_parms = parent->dma_parms;  in intel_th_device_alloc()
397 	dma_set_coherent_mask(&thdev->dev, parent->coherent_dma_mask);  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()
403 	return thdev;  in intel_th_device_alloc()
406 static int intel_th_device_add_resources(struct intel_th_device *thdev,  in intel_th_device_add_resources()  argument
415 	thdev->resource = r;  in intel_th_device_add_resources()
416 	thdev->num_resources = nres;  in intel_th_device_add_resources()
421 static void intel_th_device_remove(struct intel_th_device *thdev)  in intel_th_device_remove()  argument
423 	device_del(&thdev->dev);  in intel_th_device_remove()
424 	put_device(&thdev->dev);  in intel_th_device_remove()
427 static void intel_th_device_free(struct intel_th_device *thdev)  in intel_th_device_free()  argument
429 	kfree(thdev->resource);  in intel_th_device_free()
430 	kfree(thdev);  in intel_th_device_free()
619 	struct intel_th_device *thdev;  in intel_th_subdevice_alloc()  local
624 	thdev = intel_th_device_alloc(th, subdev->type, subdev->name,  in intel_th_subdevice_alloc()
626 	if (!thdev)  in intel_th_subdevice_alloc()
629 	thdev->drvdata = th->drvdata;  in intel_th_subdevice_alloc()
668 	err = intel_th_device_add_resources(thdev, res, subdev->nres);  in intel_th_subdevice_alloc()
674 			thdev->dev.devt = MKDEV(th->major, th->num_thdevs);  in intel_th_subdevice_alloc()
675 		thdev->output.type = subdev->otype;  in intel_th_subdevice_alloc()
676 		thdev->output.port = -1;  in intel_th_subdevice_alloc()
677 		thdev->output.scratchpad = subdev->scrpd;  in intel_th_subdevice_alloc()
679 		thdev->host_mode =  in intel_th_subdevice_alloc()
681 		th->hub = thdev;  in intel_th_subdevice_alloc()
684 	err = device_add(&thdev->dev);  in intel_th_subdevice_alloc()
695 	return thdev;  in intel_th_subdevice_alloc()
698 	kfree(thdev->resource);  in intel_th_subdevice_alloc()
701 	put_device(&thdev->dev);  in intel_th_subdevice_alloc()
717 	struct intel_th_device *thdev;  in intel_th_output_enable()  local
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()
756 	thdev = intel_th_subdevice_alloc(th, &intel_th_subdevices[src]);  in intel_th_output_enable()
757 	if (IS_ERR(thdev))  in intel_th_output_enable()
758 		return PTR_ERR(thdev);  in intel_th_output_enable()
760 	th->thdev[th->num_thdevs++] = thdev;  in intel_th_output_enable()
774 		struct intel_th_device *thdev;  in intel_th_populate()  local
789 		thdev = intel_th_subdevice_alloc(th, subdev);  in intel_th_populate()
791 		if (IS_ERR(thdev)) {  in intel_th_populate()
793 			if (PTR_ERR(thdev) == -ENODEV)  in intel_th_populate()
796 			return PTR_ERR(thdev);  in intel_th_populate()
799 		th->thdev[th->num_thdevs++] = thdev;  in intel_th_populate()
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()
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()
977 int intel_th_trace_enable(struct intel_th_device *thdev)  in intel_th_trace_enable()  argument
979 	struct intel_th_device *hub = to_intel_th_device(thdev->dev.parent);  in intel_th_trace_enable()
985 	if (WARN_ON_ONCE(thdev->type != INTEL_TH_OUTPUT))  in intel_th_trace_enable()
988 	pm_runtime_get_sync(&thdev->dev);  in intel_th_trace_enable()
989 	hubdrv->enable(hub, &thdev->output);  in intel_th_trace_enable()
999 int intel_th_trace_switch(struct intel_th_device *thdev)  in intel_th_trace_switch()  argument
1001 	struct intel_th_device *hub = to_intel_th_device(thdev->dev.parent);  in intel_th_trace_switch()
1007 	if (WARN_ON_ONCE(thdev->type != INTEL_TH_OUTPUT))  in intel_th_trace_switch()
1010 	hubdrv->trig_switch(hub, &thdev->output);  in intel_th_trace_switch()
1020 int intel_th_trace_disable(struct intel_th_device *thdev)  in intel_th_trace_disable()  argument
1022 	struct intel_th_device *hub = to_intel_th_device(thdev->dev.parent);  in intel_th_trace_disable()
1026 	if (WARN_ON_ONCE(thdev->type != INTEL_TH_OUTPUT))  in intel_th_trace_disable()
1029 	hubdrv->disable(hub, &thdev->output);  in intel_th_trace_disable()
1030 	pm_runtime_put(&thdev->dev);  in intel_th_trace_disable()
1036 int intel_th_set_output(struct intel_th_device *thdev,  in intel_th_set_output()  argument
1039 	struct intel_th_device *hub = to_intel_th_hub(thdev);  in intel_th_set_output()