/*
 * Copyright (c) 2011 Jan Vesely
 * 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 drvusbohci
 * @{
 */
/** @file
 * @brief OHCI driver
 */
#ifndef DRV_OHCI_HCD_ENDPOINT_H
#define DRV_OHCI_HCD_ENDPOINT_H

#include <assert.h>
#include <adt/list.h>
#include <usb/host/endpoint.h>

#include "hw_struct/endpoint_descriptor.h"
#include "hw_struct/transfer_descriptor.h"

/** Connector structure linking ED to to prepared TD. */
typedef struct hcd_endpoint {
	/** OHCI endpoint descriptor */
	ed_t *ed;
	/** Currently enqueued transfer descriptor */
	td_t *td;
	/** Linked list used by driver software */
	link_t link;
} hcd_endpoint_t;

hcd_endpoint_t * hcd_endpoint_assign(endpoint_t *ep);
void hcd_endpoint_clear(endpoint_t *ep);

/** Get and convert assigned hcd_endpoint_t structure
 * @param[in] ep USBD endpoint structure.
 * @return Pointer to assigned hcd endpoint structure
 */
static inline hcd_endpoint_t * hcd_endpoint_get(endpoint_t *ep)
{
	assert(ep);
	return ep->hc_data.data;
}

#endif
/**
 * @}
 */