3  * OHCI HCD (Host Controller Driver) for USB.
23 #include <linux/usb/hcd.h>
33 static int (*orig_ohci_hub_control)(struct usb_hcd  *hcd, u16 typeReq,
35 static int (*orig_ohci_hub_status_data)(struct usb_hcd *hcd, char *buf);
38 	struct usb_hcd *hcd;  member
46 #define to_da8xx_ohci(hcd) (struct da8xx_ohci_hcd *)(hcd_to_ohci(hcd)->priv)  argument
51 static int ohci_da8xx_enable(struct usb_hcd *hcd)  in ohci_da8xx_enable()  argument
53 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_enable()
78 static void ohci_da8xx_disable(struct usb_hcd *hcd)  in ohci_da8xx_disable()  argument
80 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_disable()
87 static int ohci_da8xx_set_power(struct usb_hcd *hcd, int on)  in ohci_da8xx_set_power()  argument
89 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_set_power()
90 	struct device *dev = hcd->self.controller;  in ohci_da8xx_set_power()
113 static int ohci_da8xx_get_power(struct usb_hcd *hcd)  in ohci_da8xx_get_power()  argument
115 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_get_power()
123 static int ohci_da8xx_get_oci(struct usb_hcd *hcd)  in ohci_da8xx_get_oci()  argument
125 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_get_oci()
145 static int ohci_da8xx_has_set_power(struct usb_hcd *hcd)  in ohci_da8xx_has_set_power()  argument
147 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_has_set_power()
155 static int ohci_da8xx_has_oci(struct usb_hcd *hcd)  in ohci_da8xx_has_oci()  argument
157 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_has_oci()
168 static int ohci_da8xx_has_potpgt(struct usb_hcd *hcd)  in ohci_da8xx_has_potpgt()  argument
170 	struct device *dev		= hcd->self.controller;  in ohci_da8xx_has_potpgt()
187 		ohci_da8xx_set_power(da8xx_ohci->hcd, 0);  in ohci_da8xx_regulator_event()
196 	struct device *dev = da8xx_ohci->hcd->self.controller;  in ohci_da8xx_oc_thread()
209 static int ohci_da8xx_register_notify(struct usb_hcd *hcd)  in ohci_da8xx_register_notify()  argument
211 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_register_notify()
212 	struct device *dev		= hcd->self.controller;  in ohci_da8xx_register_notify()
227 static int ohci_da8xx_reset(struct usb_hcd *hcd)  in ohci_da8xx_reset()  argument
229 	struct device *dev		= hcd->self.controller;  in ohci_da8xx_reset()
231 	struct ohci_hcd	*ohci		= hcd_to_ohci(hcd);  in ohci_da8xx_reset()
237 	result = ohci_da8xx_enable(hcd);  in ohci_da8xx_reset()
247 	result = ohci_setup(hcd);  in ohci_da8xx_reset()
249 		ohci_da8xx_disable(hcd);  in ohci_da8xx_reset()
260 	if (ohci_da8xx_has_set_power(hcd)) {  in ohci_da8xx_reset()
264 	if (ohci_da8xx_has_oci(hcd)) {  in ohci_da8xx_reset()
268 	if (ohci_da8xx_has_potpgt(hcd)) {  in ohci_da8xx_reset()
280 static int ohci_da8xx_hub_status_data(struct usb_hcd *hcd, char *buf)  in ohci_da8xx_hub_status_data()  argument
282 	int length		= orig_ohci_hub_status_data(hcd, buf);  in ohci_da8xx_hub_status_data()
286 		dev_dbg(hcd->self.controller, "over-current indicator change "  in ohci_da8xx_hub_status_data()
300 static int ohci_da8xx_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,  in ohci_da8xx_hub_control()  argument
303 	struct device *dev		= hcd->self.controller;  in ohci_da8xx_hub_control()
314 		temp = roothub_portstatus(hcd_to_ohci(hcd), wIndex - 1);  in ohci_da8xx_hub_control()
317 		if (!ohci_da8xx_get_power(hcd))  in ohci_da8xx_hub_control()
321 		if (ohci_da8xx_get_oci(hcd) > 0)  in ohci_da8xx_hub_control()
346 			return ohci_da8xx_set_power(hcd, temp) ? -EPIPE : 0;  in ohci_da8xx_hub_control()
360 	return orig_ohci_hub_control(hcd, typeReq, wValue,  in ohci_da8xx_hub_control()
378 	struct usb_hcd	*hcd;  in ohci_da8xx_probe()  local
381 	hcd = usb_create_hcd(&ohci_da8xx_hc_driver, dev, dev_name(dev));  in ohci_da8xx_probe()
382 	if (!hcd)  in ohci_da8xx_probe()
385 	da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_probe()
386 	da8xx_ohci->hcd = hcd;  in ohci_da8xx_probe()
439 	hcd->regs = devm_ioremap_resource(dev, mem);  in ohci_da8xx_probe()
440 	if (IS_ERR(hcd->regs)) {  in ohci_da8xx_probe()
441 		error = PTR_ERR(hcd->regs);  in ohci_da8xx_probe()
444 	hcd->rsrc_start = mem->start;  in ohci_da8xx_probe()
445 	hcd->rsrc_len = resource_size(mem);  in ohci_da8xx_probe()
453 	error = usb_add_hcd(hcd, hcd_irq, 0);  in ohci_da8xx_probe()
457 	device_wakeup_enable(hcd->self.controller);  in ohci_da8xx_probe()
459 	error = ohci_da8xx_register_notify(hcd);  in ohci_da8xx_probe()
466 	usb_remove_hcd(hcd);  in ohci_da8xx_probe()
468 	usb_put_hcd(hcd);  in ohci_da8xx_probe()
474 	struct usb_hcd	*hcd = platform_get_drvdata(pdev);  in ohci_da8xx_remove()  local
476 	usb_remove_hcd(hcd);  in ohci_da8xx_remove()
477 	usb_put_hcd(hcd);  in ohci_da8xx_remove()
486 	struct usb_hcd	*hcd	= platform_get_drvdata(pdev);  in ohci_da8xx_suspend()  local
487 	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);  in ohci_da8xx_suspend()
496 	ret = ohci_suspend(hcd, do_wakeup);  in ohci_da8xx_suspend()
500 	ohci_da8xx_disable(hcd);  in ohci_da8xx_suspend()
501 	hcd->state = HC_STATE_SUSPENDED;  in ohci_da8xx_suspend()
508 	struct usb_hcd	*hcd	= platform_get_drvdata(dev);  in ohci_da8xx_resume()  local
509 	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);  in ohci_da8xx_resume()
516 	ret = ohci_da8xx_enable(hcd);  in ohci_da8xx_resume()
520 	ohci_resume(hcd, false);  in ohci_da8xx_resume()