memtest86plus/system/xhci.h

// SPDX-License-Identifier: GPL-2.0
#ifndef XHCI_H
#define XHCI_H
/**
 * \file
 *
 * Provides support for USB keyboards connected via an XHCI controller.
 *
 *//*
 * Copyright (C) 2021-2022 Martin Whitaker.
 */

#include <stdint.h>

#include "usbhcd.h"

/**
 * Initialises the XHCI device found at base_addr, scans all the attached USB
 * devices, and configures any HID USB keyboard devices it finds to generate
 * periodic interrupt transfers that report key presses. Initialises hcd and
 * returns true if the device was successfully initialised and one or more
 * keyboards were found.
 */
bool xhci_init(uintptr_t base_addr, usb_hcd_t *hcd);

#endif // XHCI_H