usb/host/ohci-pci.c

1 // SPDX-License-Identifier: GPL-1.0+
6  * (C) Copyright 2000-2002 David Brownell <dbrownell@users.sourceforge.net>
26 #include "pci-quirks.h"
30 static const char hcd_name[] = "ohci-pci";
33 /*-------------------------------------------------------------------------*/
37 	device_init_wakeup(&hcd->self.root_hub->dev, 0);  in broken_suspend()
48 	ohci->flags = OHCI_QUIRK_AMD756;  in ohci_quirk_amd756()
74 	struct pci_dev *pdev = to_pci_dev(hcd->self.controller);  in ohci_quirk_ns()
77 	b  = pci_get_slot (pdev->bus, PCI_DEVFN (PCI_SLOT (pdev->devfn), 1));  in ohci_quirk_ns()
78 	if (b && b->device == PCI_DEVICE_ID_NS_87560_LIO  in ohci_quirk_ns()
79 	    && b->vendor == PCI_VENDOR_ID_NS) {  in ohci_quirk_ns()
82 		ohci->flags |= OHCI_QUIRK_SUPERIO;  in ohci_quirk_ns()
91  * delays before control or bulk queues get re-activated
98 	ohci->flags |= OHCI_QUIRK_ZFMICRO;  in ohci_quirk_zfmicro()
104 /* Check for Toshiba SCC OHCI which has big endian registers
105  * and little endian in memory data structures
117 	ohci->flags |= OHCI_QUIRK_BE_MMIO;  in ohci_quirk_toshiba_scc()
118 	ohci_dbg (ohci, "enabled big endian Toshiba quirk\n");  in ohci_quirk_toshiba_scc()
121 	ohci_err (ohci, "unsupported big endian Toshiba quirk\n");  in ohci_quirk_toshiba_scc()
122 	return -ENXIO;  in ohci_quirk_toshiba_scc()
144 	ohci->flags |= OHCI_QUIRK_NEC;  in ohci_quirk_nec()
145 	INIT_WORK(&ohci->nec_work, ohci_quirk_nec_worker);  in ohci_quirk_nec()
156 		ohci->flags |= OHCI_QUIRK_AMD_PLL;  in ohci_quirk_amd700()
158 	/* SB800 needs pre-fetch fix */  in ohci_quirk_amd700()
160 		ohci->flags |= OHCI_QUIRK_AMD_PREFETCH;  in ohci_quirk_amd700()
164 	ohci->flags |= OHCI_QUIRK_GLOBAL_SUSPEND;  in ohci_quirk_amd700()
170 	struct pci_dev *pdev = to_pci_dev(hcd->self.controller);  in ohci_quirk_loongson()
175 	 * as legacy PS2-compatible keyboard/mouse interface.  in ohci_quirk_loongson()
181 	if (pdev->revision == 0x2)  in ohci_quirk_loongson()
182 		hcd->regs += SZ_4K;	/* SZ_4K = 0x1000 */  in ohci_quirk_loongson()
191 	ohci->flags |= OHCI_QUIRK_QEMU;  in ohci_quirk_qemu()
264 	struct pci_dev *pdev = to_pci_dev(hcd->self.controller);  in ohci_pci_reset()
267 	if (hcd->self.controller) {  in ohci_pci_reset()
273 			quirk = (void *)quirk_id->driver_data;  in ohci_pci_reset()
281 	* After ohci setup RWC may not be set for add-in PCI cards.  in ohci_pci_reset()
284 	if (device_can_wakeup(&pdev->dev))  in ohci_pci_reset()
285 		ohci->hc_control |= OHCI_CTRL_RWC;  in ohci_pci_reset()
336 		return -ENODEV;  in ohci_pci_init()