3  * OHCI HCD (Host Controller Driver) for USB.
24 #include <linux/usb/hcd.h>
34 static int (*orig_ohci_hub_control)(struct usb_hcd  *hcd, u16 typeReq,
36 static int (*orig_ohci_hub_status_data)(struct usb_hcd *hcd, char *buf);
39 	struct usb_hcd *hcd;  member
47 #define to_da8xx_ohci(hcd) (struct da8xx_ohci_hcd *)(hcd_to_ohci(hcd)->priv)  argument
52 static int ohci_da8xx_enable(struct usb_hcd *hcd)  in ohci_da8xx_enable()  argument
54 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_enable()
79 static void ohci_da8xx_disable(struct usb_hcd *hcd)  in ohci_da8xx_disable()  argument
81 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_disable()
88 static int ohci_da8xx_set_power(struct usb_hcd *hcd, int on)  in ohci_da8xx_set_power()  argument
90 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_set_power()
91 	struct device *dev = hcd->self.controller;  in ohci_da8xx_set_power()
114 static int ohci_da8xx_get_power(struct usb_hcd *hcd)  in ohci_da8xx_get_power()  argument
116 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_get_power()
124 static int ohci_da8xx_get_oci(struct usb_hcd *hcd)  in ohci_da8xx_get_oci()  argument
126 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_get_oci()
146 static int ohci_da8xx_has_set_power(struct usb_hcd *hcd)  in ohci_da8xx_has_set_power()  argument
148 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_has_set_power()
156 static int ohci_da8xx_has_oci(struct usb_hcd *hcd)  in ohci_da8xx_has_oci()  argument
158 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_has_oci()
169 static int ohci_da8xx_has_potpgt(struct usb_hcd *hcd)  in ohci_da8xx_has_potpgt()  argument
171 	struct device *dev		= hcd->self.controller;  in ohci_da8xx_has_potpgt()
188 		ohci_da8xx_set_power(da8xx_ohci->hcd, 0);  in ohci_da8xx_regulator_event()
197 	struct device *dev = da8xx_ohci->hcd->self.controller;  in ohci_da8xx_oc_thread()
210 static int ohci_da8xx_register_notify(struct usb_hcd *hcd)  in ohci_da8xx_register_notify()  argument
212 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_register_notify()
213 	struct device *dev		= hcd->self.controller;  in ohci_da8xx_register_notify()
228 static int ohci_da8xx_reset(struct usb_hcd *hcd)  in ohci_da8xx_reset()  argument
230 	struct device *dev		= hcd->self.controller;  in ohci_da8xx_reset()
232 	struct ohci_hcd	*ohci		= hcd_to_ohci(hcd);  in ohci_da8xx_reset()
238 	result = ohci_da8xx_enable(hcd);  in ohci_da8xx_reset()
248 	result = ohci_setup(hcd);  in ohci_da8xx_reset()
250 		ohci_da8xx_disable(hcd);  in ohci_da8xx_reset()
261 	if (ohci_da8xx_has_set_power(hcd)) {  in ohci_da8xx_reset()
265 	if (ohci_da8xx_has_oci(hcd)) {  in ohci_da8xx_reset()
269 	if (ohci_da8xx_has_potpgt(hcd)) {  in ohci_da8xx_reset()
281 static int ohci_da8xx_hub_status_data(struct usb_hcd *hcd, char *buf)  in ohci_da8xx_hub_status_data()  argument
283 	int length		= orig_ohci_hub_status_data(hcd, buf);  in ohci_da8xx_hub_status_data()
287 		dev_dbg(hcd->self.controller, "over-current indicator change "  in ohci_da8xx_hub_status_data()
301 static int ohci_da8xx_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,  in ohci_da8xx_hub_control()  argument
304 	struct device *dev		= hcd->self.controller;  in ohci_da8xx_hub_control()
315 		temp = roothub_portstatus(hcd_to_ohci(hcd), wIndex - 1);  in ohci_da8xx_hub_control()
318 		if (!ohci_da8xx_get_power(hcd))  in ohci_da8xx_hub_control()
322 		if (ohci_da8xx_get_oci(hcd) > 0)  in ohci_da8xx_hub_control()
347 			return ohci_da8xx_set_power(hcd, temp) ? -EPIPE : 0;  in ohci_da8xx_hub_control()
361 	return orig_ohci_hub_control(hcd, typeReq, wValue,  in ohci_da8xx_hub_control()
379 	struct usb_hcd	*hcd;  in ohci_da8xx_probe()  local
382 	hcd = usb_create_hcd(&ohci_da8xx_hc_driver, dev, dev_name(dev));  in ohci_da8xx_probe()
383 	if (!hcd)  in ohci_da8xx_probe()
386 	da8xx_ohci = to_da8xx_ohci(hcd);  in ohci_da8xx_probe()
387 	da8xx_ohci->hcd = hcd;  in ohci_da8xx_probe()
439 	hcd->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &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()
484 	struct usb_hcd	*hcd	= platform_get_drvdata(pdev);  in ohci_da8xx_suspend()  local
485 	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);  in ohci_da8xx_suspend()
494 	ret = ohci_suspend(hcd, do_wakeup);  in ohci_da8xx_suspend()
498 	ohci_da8xx_disable(hcd);  in ohci_da8xx_suspend()
499 	hcd->state = HC_STATE_SUSPENDED;  in ohci_da8xx_suspend()
506 	struct usb_hcd	*hcd	= platform_get_drvdata(dev);  in ohci_da8xx_resume()  local
507 	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);  in ohci_da8xx_resume()
514 	ret = ohci_da8xx_enable(hcd);  in ohci_da8xx_resume()
518 	ohci_resume(hcd, false);  in ohci_da8xx_resume()