usb/host/xhci-pci.c

84 static int xhci_pci_setup(struct usb_hcd *hcd);
85 static int xhci_pci_run(struct usb_hcd *hcd);
86 static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
97 	struct usb_hcd *hcd = xhci_to_hcd(xhci);
99 	if (hcd->msix_enabled) {
100 		struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
110 	struct usb_hcd *hcd = xhci_to_hcd(xhci);
111 	struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
114 	if (hcd->irq > 0)
119 	hcd->msix_enabled = 0;
123 static int xhci_try_enable_msi(struct usb_hcd *hcd)
125 	struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
126 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
137 	if (hcd->irq)
138 		free_irq(hcd->irq, hcd);
139 	hcd->irq = 0;
165 	hcd->msi_enabled = 1;
166 	hcd->msix_enabled = pdev->msix_enabled;
180 	if (!strlen(hcd->irq_descr))
181 		snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d",
182 			 hcd->driver->description, hcd->self.busnum);
185 	ret = request_irq(pdev->irq, &usb_hcd_irq, IRQF_SHARED, hcd->irq_descr, hcd);
190 	hcd->irq = pdev->irq;
194 static int xhci_pci_run(struct usb_hcd *hcd)
198 	if (usb_hcd_is_primary_hcd(hcd)) {
199 		ret = xhci_try_enable_msi(hcd);
204 	return xhci_run(hcd);
207 static void xhci_pci_stop(struct usb_hcd *hcd)
209 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);
211 	xhci_stop(hcd);
213 	if (usb_hcd_is_primary_hcd(hcd))
496 static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev)
498 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
504 	if (hcd != rhub->hcd)
526 static void xhci_find_lpm_incapable_ports(struct usb_hcd *hcd, struct usb_device *hdev) { }
530 static int xhci_pci_setup(struct usb_hcd *hcd)
533 	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
536 	xhci = hcd_to_xhci(hcd);
543 	retval = xhci_gen_setup(hcd, xhci_pci_quirks);
547 	if (!usb_hcd_is_primary_hcd(hcd))
559 static int xhci_pci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
564 		xhci_find_lpm_incapable_ports(hcd, hdev);
566 	return xhci_update_hub_device(hcd, hdev, tt, mem_flags);
577 	struct usb_hcd *hcd;
608 	hcd = dev_get_drvdata(&dev->dev);
609 	xhci = hcd_to_xhci(hcd);
612 						 pci_name(dev), hcd);
684 static void xhci_ssic_port_unused_quirk(struct usb_hcd *hcd, bool suspend)
686 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
719 static void xhci_pme_quirk(struct usb_hcd *hcd)
721 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
731 static void xhci_sparse_control_quirk(struct usb_hcd *hcd)
735 	reg = readl(hcd->regs + SPARSE_CNTL_ENABLE);
737 	writel(reg, hcd->regs + SPARSE_CNTL_ENABLE);
740 static int xhci_pci_suspend(struct usb_hcd *hcd, bool do_wakeup)
742 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);
743 	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
761 		xhci_pme_quirk(hcd);
764 		xhci_ssic_port_unused_quirk(hcd, true);
767 		xhci_sparse_control_quirk(hcd);
775 		xhci_ssic_port_unused_quirk(hcd, false);
780 static int xhci_pci_resume(struct usb_hcd *hcd, pm_message_t msg)
782 	struct xhci_hcd		*xhci = hcd_to_xhci(hcd);
783 	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
810 		xhci_ssic_port_unused_quirk(hcd, false);
813 		xhci_pme_quirk(hcd);
819 static int xhci_pci_poweroff_late(struct usb_hcd *hcd, bool do_wakeup)
821 	struct xhci_hcd		*xhci = hcd_to_xhci(hcd);
848 				 port->slot_id, port->rhub->hcd->self.busnum,
860 			 port->rhub->hcd->self.busnum, port->hcd_portnum + 1);
868 static void xhci_pci_shutdown(struct usb_hcd *hcd)
870 	struct xhci_hcd		*xhci = hcd_to_xhci(hcd);
871 	struct pci_dev		*pdev = to_pci_dev(hcd->self.controller);
873 	xhci_shutdown(hcd);