// SPDX-License-Identifier: GPL-2.0+ /* * EHCI HCD (Host Controller Driver) PCI Bus Glue. * * Copyright (c) 2000-2004 by David Brownell */ #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/usb.h> #include <linux/usb/hcd.h> #include "ehci.h" #include "pci-quirks.h" #define DRIVER_DESC … static const char hcd_name[] = …; /* defined here to avoid adding to pci_ids.h for single instance use */ #define PCI_DEVICE_ID_INTEL_CE4100_USB … #define PCI_VENDOR_ID_ASPEED … #define PCI_DEVICE_ID_ASPEED_EHCI … /*-------------------------------------------------------------------------*/ #define PCI_DEVICE_ID_INTEL_QUARK_X1000_SOC … static inline bool is_intel_quark_x1000(struct pci_dev *pdev) { … } /* * This is the list of PCI IDs for the devices that have EHCI USB class and * specific drivers for that. One of the example is a ChipIdea device installed * on some Intel MID platforms. */ static const struct pci_device_id bypass_pci_id_table[] = …; static inline bool is_bypassed_id(struct pci_dev *pdev) { … } /* * 0x84 is the offset of in/out threshold register, * and it is the same offset as the register of 'hostpc'. */ #define intel_quark_x1000_insnreg01 … /* Maximum usable threshold value is 0x7f dwords for both IN and OUT */ #define INTEL_QUARK_X1000_EHCI_MAX_THRESHOLD … /* called after powerup, by probe or system-pm "wakeup" */ static int ehci_pci_reinit(struct ehci_hcd *ehci, struct pci_dev *pdev) { … } /* called during probe() after chip reset completes */ static int ehci_pci_setup(struct usb_hcd *hcd) { … } /*-------------------------------------------------------------------------*/ #ifdef CONFIG_PM /* suspend/resume, section 4.3 */ /* These routines rely on the PCI bus glue * to handle powerdown and wakeup, and currently also on * transceivers that don't need any software attention to set up * the right sort of wakeup. * Also they depend on separate root hub suspend/resume. */ static int ehci_pci_resume(struct usb_hcd *hcd, pm_message_t msg) { … } #else #define ehci_suspend … #define ehci_pci_resume … #endif /* CONFIG_PM */ static struct hc_driver __read_mostly ehci_pci_hc_driver; static const struct ehci_driver_overrides pci_overrides __initconst = …; /*-------------------------------------------------------------------------*/ static int ehci_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) { … } static void ehci_pci_remove(struct pci_dev *pdev) { … } /* PCI driver selection metadata; PCI hotplugging uses this */ static const struct pci_device_id pci_ids [] = …; MODULE_DEVICE_TABLE(pci, pci_ids); /* pci driver glue; this is a "new style" PCI driver module */ static struct pci_driver ehci_pci_driver = …; static int __init ehci_pci_init(void) { … } module_init(…) …; static void __exit ehci_pci_cleanup(void) { … } module_exit(ehci_pci_cleanup); MODULE_DESCRIPTION(…); MODULE_AUTHOR(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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