memtest86plus/system/ehci.h
2022-01-23 17:38:50 +00:00

24 lines
698 B
C

// SPDX-License-Identifier: GPL-2.0
#ifndef EHCI_H
#define EHCI_H
/*
* Provides support for USB keyboards connected via an EHCI controller.
*
* Copyright (C) 2021-2022 Martin Whitaker.
*/
#include <stdint.h>
#include "usbhcd.h"
/*
* Initialises the EHCI device identified by bus, dev, func, and 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 ehci_init(int bus, int dev, int func, uintptr_t base_addr, usb_hcd_t *hcd);
#endif // EHCI_H