#include <machine/rtems-bsd-kernel-space.h>
/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-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.
*/
#ifdef USB_GLOBAL_INCLUDE_FILE
#include USB_GLOBAL_INCLUDE_FILE
#else
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <rtems/bsd/sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <sys/limits.h>
#include <sys/endian.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#endif /* USB_GLOBAL_INCLUDE_FILE */
/*------------------------------------------------------------------------*
* usbd_lookup_id_by_info
*
* This functions takes an array of "struct usb_device_id" and tries
* to match the entries with the information in "struct usbd_lookup_info".
*
* NOTE: The "sizeof_id" parameter must be a multiple of the
* usb_device_id structure size. Else the behaviour of this function
* is undefined.
*
* Return values:
* NULL: No match found.
* Else: Pointer to matching entry.
*------------------------------------------------------------------------*/
const struct usb_device_id *
usbd_lookup_id_by_info(const struct usb_device_id *id, usb_size_t sizeof_id,
const struct usbd_lookup_info *info)
{
const struct usb_device_id *id_end;
if (id == NULL) {
goto done;
}
id_end = (const void *)(((const uint8_t *)id) + sizeof_id);
/*
* Keep on matching array entries until we find a match or
* until we reach the end of the matching array:
*/
for (; id != id_end; id++) {
if ((id->match_flag_vendor) &&
(id->idVendor != info->idVendor)) {
continue;
}
if ((id->match_flag_product) &&
(id->idProduct != info->idProduct)) {
continue;
}
if ((id->match_flag_dev_lo) &&
(id->bcdDevice_lo > info->bcdDevice)) {
continue;
}
if ((id->match_flag_dev_hi) &&
(id->bcdDevice_hi < info->bcdDevice)) {
continue;
}
if ((id->match_flag_dev_class) &&
(id->bDeviceClass != info->bDeviceClass)) {
continue;
}
if ((id->match_flag_dev_subclass) &&
(id->bDeviceSubClass != info->bDeviceSubClass)) {
continue;
}
if ((id->match_flag_dev_protocol) &&
(id->bDeviceProtocol != info->bDeviceProtocol)) {
continue;
}
if ((id->match_flag_int_class) &&
(id->bInterfaceClass != info->bInterfaceClass)) {
continue;
}
if ((id->match_flag_int_subclass) &&
(id->bInterfaceSubClass != info->bInterfaceSubClass)) {
continue;
}
if ((id->match_flag_int_protocol) &&
(id->bInterfaceProtocol != info->bInterfaceProtocol)) {
continue;
}
/* We found a match! */
return (id);
}
done:
return (NULL);
}
/*------------------------------------------------------------------------*
* usbd_lookup_id_by_uaa - factored out code
*
* Return values:
* 0: Success
* Else: Failure
*------------------------------------------------------------------------*/
int
usbd_lookup_id_by_uaa(const struct usb_device_id *id, usb_size_t sizeof_id,
struct usb_attach_arg *uaa)
{
id = usbd_lookup_id_by_info(id, sizeof_id, &uaa->info);
if (id) {
/* copy driver info */
uaa->driver_info = id->driver_info;
return (0);
}
return (ENXIO);
}
