memtest86plus/system/uhci.h

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

#include <stdint.h>

#include "usbhcd.h"

/**
 * Initialises the UHCI device found at bus, dev, func on the PCI bus and
 * io_base in the I/O address space, 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 uhci_init(int bus, int dev, int func, uint16_t io_base, usb_hcd_t *hcd);

#endif // UHCI_H