usb/host/ohci-da8xx.c

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;
47 #define to_da8xx_ohci(hcd) (struct da8xx_ohci_hcd *)(hcd_to_ohci(hcd)->priv)
52 static int ohci_da8xx_enable(struct usb_hcd *hcd)
54 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
79 static void ohci_da8xx_disable(struct usb_hcd *hcd)
81 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
88 static int ohci_da8xx_set_power(struct usb_hcd *hcd, int on)
90 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
91 	struct device *dev = hcd->self.controller;
114 static int ohci_da8xx_get_power(struct usb_hcd *hcd)
116 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
124 static int ohci_da8xx_get_oci(struct usb_hcd *hcd)
126 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
146 static int ohci_da8xx_has_set_power(struct usb_hcd *hcd)
148 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
156 static int ohci_da8xx_has_oci(struct usb_hcd *hcd)
158 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
169 static int ohci_da8xx_has_potpgt(struct usb_hcd *hcd)
171 	struct device *dev		= hcd->self.controller;
188 		ohci_da8xx_set_power(da8xx_ohci->hcd, 0);
197 	struct device *dev = da8xx_ohci->hcd->self.controller;
210 static int ohci_da8xx_register_notify(struct usb_hcd *hcd)
212 	struct da8xx_ohci_hcd *da8xx_ohci = to_da8xx_ohci(hcd);
213 	struct device *dev		= hcd->self.controller;
228 static int ohci_da8xx_reset(struct usb_hcd *hcd)
230 	struct device *dev		= hcd->self.controller;
232 	struct ohci_hcd	*ohci		= hcd_to_ohci(hcd);
238 	result = ohci_da8xx_enable(hcd);
248 	result = ohci_setup(hcd);
250 		ohci_da8xx_disable(hcd);
261 	if (ohci_da8xx_has_set_power(hcd)) {
265 	if (ohci_da8xx_has_oci(hcd)) {
269 	if (ohci_da8xx_has_potpgt(hcd)) {
281 static int ohci_da8xx_hub_status_data(struct usb_hcd *hcd, char *buf)
283 	int length		= orig_ohci_hub_status_data(hcd, buf);
287 		dev_dbg(hcd->self.controller, "over-current indicator change "
301 static int ohci_da8xx_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
304 	struct device *dev		= hcd->self.controller;
315 		temp = roothub_portstatus(hcd_to_ohci(hcd), wIndex - 1);
318 		if (!ohci_da8xx_get_power(hcd))
322 		if (ohci_da8xx_get_oci(hcd) > 0)
347 			return ohci_da8xx_set_power(hcd, temp) ? -EPIPE : 0;
361 	return orig_ohci_hub_control(hcd, typeReq, wValue,
379 	struct usb_hcd	*hcd;
382 	hcd = usb_create_hcd(&ohci_da8xx_hc_driver, dev, dev_name(dev));
383 	if (!hcd)
386 	da8xx_ohci = to_da8xx_ohci(hcd);
387 	da8xx_ohci->hcd = hcd;
439 	hcd->regs = devm_platform_get_and_ioremap_resource(pdev, 0, &mem);
440 	if (IS_ERR(hcd->regs)) {
441 		error = PTR_ERR(hcd->regs);
444 	hcd->rsrc_start = mem->start;
445 	hcd->rsrc_len = resource_size(mem);
453 	error = usb_add_hcd(hcd, hcd_irq, 0);
457 	device_wakeup_enable(hcd->self.controller);
459 	error = ohci_da8xx_register_notify(hcd);
466 	usb_remove_hcd(hcd);
468 	usb_put_hcd(hcd);
474 	struct usb_hcd	*hcd = platform_get_drvdata(pdev);
476 	usb_remove_hcd(hcd);
477 	usb_put_hcd(hcd);
484 	struct usb_hcd	*hcd	= platform_get_drvdata(pdev);
485 	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);
494 	ret = ohci_suspend(hcd, do_wakeup);
498 	ohci_da8xx_disable(hcd);
499 	hcd->state = HC_STATE_SUSPENDED;
506 	struct usb_hcd	*hcd	= platform_get_drvdata(dev);
507 	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);
514 	ret = ohci_da8xx_enable(hcd);
518 	ohci_resume(hcd, false);