32 amba_cs_uci_id_match(const struct amba_id *table, struct amba_device *dev)  in amba_cs_uci_id_match()  argument
44 	ret = (dev->uci.devtype == uci->devtype) &&  in amba_cs_uci_id_match()
45 		((dev->uci.devarch & uci->devarch_mask) == uci->devarch);  in amba_cs_uci_id_match()
50 amba_lookup(const struct amba_id *table, struct amba_device *dev)  in amba_lookup()  argument
53 		if (((dev->periphid & table->mask) == table->id) &&  in amba_lookup()
54 			((dev->cid != CORESIGHT_CID) ||  in amba_lookup()
55 			 (amba_cs_uci_id_match(table, dev))))  in amba_lookup()
66 	pcdev->pclk = clk_get(&pcdev->dev, "apb_pclk");  in amba_get_enable_pclk()
87 	struct amba_device *dev = to_amba_device(_dev);  in driver_override_show()  local
91 	len = sprintf(buf, "%s\n", dev->driver_override);  in driver_override_show()
100 	struct amba_device *dev = to_amba_device(_dev);  in driver_override_store()  local
103 	ret = driver_set_override(_dev, &dev->driver_override, buf, count);  in driver_override_store()
115 	struct amba_device *dev = to_amba_device(_dev);			\
120 amba_attr_func(id, "%08x\n", dev->periphid);
122 	 (unsigned long long)dev->res.start, (unsigned long long)dev->res.end,
123 	 dev->res.flags);
133 static int amba_read_periphid(struct amba_device *dev)  in amba_read_periphid()  argument
140 	ret = dev_pm_domain_attach(&dev->dev, true);  in amba_read_periphid()
142 		dev_dbg(&dev->dev, "can't get PM domain: %d\n", ret);  in amba_read_periphid()
146 	ret = amba_get_enable_pclk(dev);  in amba_read_periphid()
148 		dev_dbg(&dev->dev, "can't get pclk: %d\n", ret);  in amba_read_periphid()
155 	rstc = of_reset_control_array_get_optional_shared(dev->dev.of_node);  in amba_read_periphid()
159 			dev_err(&dev->dev, "can't get reset: %d\n", ret);  in amba_read_periphid()
165 	size = resource_size(&dev->res);  in amba_read_periphid()
166 	tmp = ioremap(dev->res.start, size);  in amba_read_periphid()
185 		dev->uci.devarch = readl(csbase + UCI_REG_DEVARCH_OFFSET);  in amba_read_periphid()
186 		dev->uci.devtype = readl(csbase + UCI_REG_DEVTYPE_OFFSET) & 0xff;  in amba_read_periphid()
190 		dev->periphid = pid;  in amba_read_periphid()
191 		dev->cid = cid;  in amba_read_periphid()
194 	if (!dev->periphid)  in amba_read_periphid()
200 	amba_put_disable_pclk(dev);  in amba_read_periphid()
202 	dev_pm_domain_detach(&dev->dev, true);  in amba_read_periphid()
207 static int amba_match(struct device *dev, struct device_driver *drv)  in amba_match()  argument
209 	struct amba_device *pcdev = to_amba_device(dev);  in amba_match()
226 		dev_set_uevent_suppress(dev, false);  in amba_match()
227 		kobject_uevent(&dev->kobj, KOBJ_ADD);  in amba_match()
238 static int amba_uevent(const struct device *dev, struct kobj_uevent_env *env)  in amba_uevent()  argument
240 	const struct amba_device *pcdev = to_amba_device(dev);  in amba_uevent()
251 static int of_amba_device_decode_irq(struct amba_device *dev)  in of_amba_device_decode_irq()  argument
253 	struct device_node *node = dev->dev.of_node;  in of_amba_device_decode_irq()
266 			dev->irq[i] = irq;  in of_amba_device_decode_irq()
277 static int amba_probe(struct device *dev)  in amba_probe()  argument
279 	struct amba_device *pcdev = to_amba_device(dev);  in amba_probe()
280 	struct amba_driver *pcdrv = to_amba_driver(dev->driver);  in amba_probe()
289 		ret = of_clk_set_defaults(dev->of_node, false);  in amba_probe()
293 		ret = dev_pm_domain_attach(dev, true);  in amba_probe()
299 			dev_pm_domain_detach(dev, true);  in amba_probe()
303 		pm_runtime_get_noresume(dev);  in amba_probe()
304 		pm_runtime_set_active(dev);  in amba_probe()
305 		pm_runtime_enable(dev);  in amba_probe()
311 		pm_runtime_disable(dev);  in amba_probe()
312 		pm_runtime_set_suspended(dev);  in amba_probe()
313 		pm_runtime_put_noidle(dev);  in amba_probe()
316 		dev_pm_domain_detach(dev, true);  in amba_probe()
322 static void amba_remove(struct device *dev)  in amba_remove()  argument
324 	struct amba_device *pcdev = to_amba_device(dev);  in amba_remove()
325 	struct amba_driver *drv = to_amba_driver(dev->driver);  in amba_remove()
327 	pm_runtime_get_sync(dev);  in amba_remove()
330 	pm_runtime_put_noidle(dev);  in amba_remove()
333 	pm_runtime_disable(dev);  in amba_remove()
334 	pm_runtime_set_suspended(dev);  in amba_remove()
335 	pm_runtime_put_noidle(dev);  in amba_remove()
338 	dev_pm_domain_detach(dev, true);  in amba_remove()
341 static void amba_shutdown(struct device *dev)  in amba_shutdown()  argument
345 	if (!dev->driver)  in amba_shutdown()
348 	drv = to_amba_driver(dev->driver);  in amba_shutdown()
350 		drv->shutdown(to_amba_device(dev));  in amba_shutdown()
353 static int amba_dma_configure(struct device *dev)  in amba_dma_configure()  argument
355 	struct amba_driver *drv = to_amba_driver(dev->driver);  in amba_dma_configure()
359 	if (dev->of_node) {  in amba_dma_configure()
360 		ret = of_dma_configure(dev, dev->of_node, true);  in amba_dma_configure()
361 	} else if (has_acpi_companion(dev)) {  in amba_dma_configure()
362 		attr = acpi_get_dma_attr(to_acpi_device_node(dev->fwnode));  in amba_dma_configure()
363 		ret = acpi_dma_configure(dev, attr);  in amba_dma_configure()
367 		ret = iommu_device_use_default_domain(dev);  in amba_dma_configure()
369 			arch_teardown_dma_ops(dev);  in amba_dma_configure()
375 static void amba_dma_cleanup(struct device *dev)  in amba_dma_cleanup()  argument
377 	struct amba_driver *drv = to_amba_driver(dev->driver);  in amba_dma_cleanup()
380 		iommu_device_unuse_default_domain(dev);  in amba_dma_cleanup()
389 static int amba_pm_runtime_suspend(struct device *dev)  in amba_pm_runtime_suspend()  argument
391 	struct amba_device *pcdev = to_amba_device(dev);  in amba_pm_runtime_suspend()
392 	int ret = pm_generic_runtime_suspend(dev);  in amba_pm_runtime_suspend()
394 	if (ret == 0 && dev->driver) {  in amba_pm_runtime_suspend()
395 		if (pm_runtime_is_irq_safe(dev))  in amba_pm_runtime_suspend()
404 static int amba_pm_runtime_resume(struct device *dev)  in amba_pm_runtime_resume()  argument
406 	struct amba_device *pcdev = to_amba_device(dev);  in amba_pm_runtime_resume()
409 	if (dev->driver) {  in amba_pm_runtime_resume()
410 		if (pm_runtime_is_irq_safe(dev))  in amba_pm_runtime_resume()
419 	return pm_generic_runtime_resume(dev);  in amba_pm_runtime_resume()
527 static void amba_device_release(struct device *dev)  in amba_device_release()  argument
529 	struct amba_device *d = to_amba_device(dev);  in amba_device_release()
531 	of_node_put(d->dev.of_node);  in amba_device_release()
547 int amba_device_add(struct amba_device *dev, struct resource *parent)  in amba_device_add()  argument
551 	ret = request_resource(parent, &dev->res);  in amba_device_add()
556 	if (!dev->periphid) {  in amba_device_add()
565 		if (amba_read_periphid(dev))  in amba_device_add()
566 			dev_set_uevent_suppress(&dev->dev, true);  in amba_device_add()
569 	ret = device_add(&dev->dev);  in amba_device_add()
571 		release_resource(&dev->res);  in amba_device_add()
577 static void amba_device_initialize(struct amba_device *dev, const char *name)  in amba_device_initialize()  argument
579 	device_initialize(&dev->dev);  in amba_device_initialize()
581 		dev_set_name(&dev->dev, "%s", name);  in amba_device_initialize()
582 	dev->dev.release = amba_device_release;  in amba_device_initialize()
583 	dev->dev.bus = &amba_bustype;  in amba_device_initialize()
584 	dev->dev.dma_mask = &dev->dev.coherent_dma_mask;  in amba_device_initialize()
585 	dev->dev.dma_parms = &dev->dma_parms;  in amba_device_initialize()
586 	dev->res.name = dev_name(&dev->dev);  in amba_device_initialize()
587 	mutex_init(&dev->periphid_lock);  in amba_device_initialize()
602 	struct amba_device *dev;  in amba_device_alloc()  local
604 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);  in amba_device_alloc()
605 	if (dev) {  in amba_device_alloc()
606 		amba_device_initialize(dev, name);  in amba_device_alloc()
607 		dev->res.start = base;  in amba_device_alloc()
608 		dev->res.end = base + size - 1;  in amba_device_alloc()
609 		dev->res.flags = IORESOURCE_MEM;  in amba_device_alloc()
612 	return dev;  in amba_device_alloc()
625 int amba_device_register(struct amba_device *dev, struct resource *parent)  in amba_device_register()  argument
627 	amba_device_initialize(dev, dev->dev.init_name);  in amba_device_register()
628 	dev->dev.init_name = NULL;  in amba_device_register()
630 	return amba_device_add(dev, parent);  in amba_device_register()
638 void amba_device_put(struct amba_device *dev)  in amba_device_put()  argument
640 	put_device(&dev->dev);  in amba_device_put()
655 void amba_device_unregister(struct amba_device *dev)  in amba_device_unregister()  argument
657 	device_unregister(&dev->dev);  in amba_device_unregister()
666 int amba_request_regions(struct amba_device *dev, const char *name)  in amba_request_regions()  argument
672 		name = dev->dev.driver->name;  in amba_request_regions()
674 	size = resource_size(&dev->res);  in amba_request_regions()
676 	if (!request_mem_region(dev->res.start, size, name))  in amba_request_regions()
689 void amba_release_regions(struct amba_device *dev)  in amba_release_regions()  argument
693 	size = resource_size(&dev->res);  in amba_release_regions()
694 	release_mem_region(dev->res.start, size);  in amba_release_regions()