3  * MediaTek xHCI Host Controller Driver
24 #include "xhci.h"
25 #include "xhci-mtk.h"
61 /* xHCI CSR */
145 	if (!of_device_is_compatible(dev->of_node, "mediatek,mt8195-xhci"))  in xhci_mtk_set_frame_interval()
451 static void xhci_mtk_quirks(struct device *dev, struct xhci_hcd *xhci)  in xhci_mtk_quirks()  argument
453 	struct usb_hcd *hcd = xhci_to_hcd(xhci);  in xhci_mtk_quirks()
456 	xhci->quirks |= XHCI_MTK_HOST;  in xhci_mtk_quirks()
461 	xhci->quirks |= XHCI_SPURIOUS_SUCCESS;  in xhci_mtk_quirks()
463 		xhci->quirks |= XHCI_LPM_SUPPORT;  in xhci_mtk_quirks()
465 		xhci->quirks |= XHCI_HW_LPM_DISABLE;  in xhci_mtk_quirks()
468 	 * MTK xHCI 0.96: PSA is 1 by default even if doesn't support stream,  in xhci_mtk_quirks()
471 	if (xhci->hci_version < 0x100 && HCC_MAX_PSA(xhci->hcc_params) == 4)  in xhci_mtk_quirks()
472 		xhci->quirks |= XHCI_BROKEN_STREAMS;  in xhci_mtk_quirks()
515 	struct xhci_hcd *xhci;  in xhci_mtk_probe()  local
627 	xhci = hcd_to_xhci(hcd);  in xhci_mtk_probe()
628 	xhci->main_hcd = hcd;  in xhci_mtk_probe()
629 	xhci->allow_single_roothub = 1;  in xhci_mtk_probe()
634 	 * the xHCI spec on MTK's controller.  in xhci_mtk_probe()
636 	xhci->imod_interval = 5000;  in xhci_mtk_probe()
637 	device_property_read_u32(dev, "imod-interval-ns", &xhci->imod_interval);  in xhci_mtk_probe()
643 	if (!xhci_has_one_roothub(xhci)) {  in xhci_mtk_probe()
644 		xhci->shared_hcd = usb_create_shared_hcd(driver, dev,  in xhci_mtk_probe()
646 		if (!xhci->shared_hcd) {  in xhci_mtk_probe()
652 	usb3_hcd = xhci_get_usb3_hcd(xhci);  in xhci_mtk_probe()
653 	if (usb3_hcd && HCC_MAX_PSA(xhci->hcc_params) >= 4 &&  in xhci_mtk_probe()
654 	    !(xhci->quirks & XHCI_BROKEN_STREAMS))  in xhci_mtk_probe()
657 	if (xhci->shared_hcd) {  in xhci_mtk_probe()
658 		ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);  in xhci_mtk_probe()
680 	usb_remove_hcd(xhci->shared_hcd);  in xhci_mtk_probe()
683 	usb_put_hcd(xhci->shared_hcd);  in xhci_mtk_probe()
711 	struct xhci_hcd	*xhci = hcd_to_xhci(hcd);  in xhci_mtk_remove()  local
712 	struct usb_hcd  *shared_hcd = xhci->shared_hcd;  in xhci_mtk_remove()
716 	xhci->xhc_state |= XHCI_STATE_REMOVING;  in xhci_mtk_remove()
722 		xhci->shared_hcd = NULL;  in xhci_mtk_remove()
743 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);  in xhci_mtk_suspend()  local
744 	struct usb_hcd *shared_hcd = xhci->shared_hcd;  in xhci_mtk_suspend()
747 	xhci_dbg(xhci, "%s: stop port polling\n", __func__);  in xhci_mtk_suspend()
764 	xhci_dbg(xhci, "%s: restart port polling\n", __func__);  in xhci_mtk_suspend()
778 	struct xhci_hcd *xhci = hcd_to_xhci(hcd);  in xhci_mtk_resume()  local
779 	struct usb_hcd *shared_hcd = xhci->shared_hcd;  in xhci_mtk_resume()
791 	xhci_dbg(xhci, "%s: restart port polling\n", __func__);  in xhci_mtk_resume()
810 	struct xhci_hcd *xhci = hcd_to_xhci(mtk->hcd);  in xhci_mtk_runtime_suspend()  local
813 	if (xhci->xhc_state)  in xhci_mtk_runtime_suspend()
826 	struct xhci_hcd *xhci = hcd_to_xhci(mtk->hcd);  in xhci_mtk_runtime_resume()  local
829 	if (xhci->xhc_state)  in xhci_mtk_runtime_resume()
847 	{ .compatible = "mediatek,mt8173-xhci"},
848 	{ .compatible = "mediatek,mt8195-xhci"},
849 	{ .compatible = "mediatek,mtk-xhci"},
858 		.name = "xhci-mtk",
878 MODULE_DESCRIPTION("MediaTek xHCI Host Controller Driver");