/*
* Copyright (c) 2011 Jan Vesely
* Copyright (c) 2018 Ondrej Hlavaty
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libusbhost
* @{
*/
/** @file
*
* Bus implementation common for OHCI, UHCI and EHCI.
*/
#ifndef LIBUSBHOST_HOST_USB2_BUS_H
#define LIBUSBHOST_HOST_USB2_BUS_H
#include <adt/list.h>
#include <stdbool.h>
#include <usb/usb.h>
#include <usb/host/bus.h>
#include <usb/host/bandwidth.h>
typedef struct usb2_bus usb2_bus_t;
typedef struct endpoint endpoint_t;
/** Endpoint and bandwidth management structure */
typedef struct usb2_bus_helper {
/** Map of occupied addresses */
bool address_occupied [USB_ADDRESS_COUNT];
/** The last reserved address */
usb_address_t last_address;
/** Size of the bandwidth pool */
size_t free_bw;
/* Configured bandwidth accounting */
const bandwidth_accounting_t *bw_accounting;
} usb2_bus_helper_t;
extern void usb2_bus_helper_init(usb2_bus_helper_t *,
const bandwidth_accounting_t *);
extern int usb2_bus_device_enumerate(usb2_bus_helper_t *, device_t *);
extern void usb2_bus_device_gone(usb2_bus_helper_t *, device_t *);
extern int usb2_bus_endpoint_register(usb2_bus_helper_t *, endpoint_t *);
extern void usb2_bus_endpoint_unregister(usb2_bus_helper_t *, endpoint_t *);
#endif
/**
* @}
*/