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/* $FreeBSD$ */
/*-
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
#ifndef _USB_PARSE_H_
#define _USB_PARSE_H_
/* structures */
struct usb_idesc_parse_state {
struct usb_descriptor *desc;
uint8_t iface_index; /* current interface index */
uint8_t iface_no_last;
uint8_t iface_index_alt; /* current alternate setting */
};
/* prototypes */
struct usb_descriptor *usb_desc_foreach(struct usb_config_descriptor *cd,
struct usb_descriptor *desc);
struct usb_interface_descriptor *usb_idesc_foreach(
struct usb_config_descriptor *cd,
struct usb_idesc_parse_state *ps);
struct usb_endpoint_descriptor *usb_edesc_foreach(
struct usb_config_descriptor *cd,
struct usb_endpoint_descriptor *ped);
uint8_t usbd_get_no_descriptors(struct usb_config_descriptor *cd,
uint8_t type);
uint8_t usbd_get_no_alts(struct usb_config_descriptor *cd,
struct usb_interface_descriptor *id);
#endif /* _USB_PARSE_H_ */
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