/*	$Id: hid2hci.c,v 1.1 2006/11/29 14:40:01 fun Exp $	*/

/*
 * Copyright (c) 2006 FUKAUMI Naoki.
 * 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.
 * 3. 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.
 */

#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/ioctl.h>

#include <dev/usb/usb.h>

int
main(int argc, char *argv[])
{
	struct usb_device_info udi;
	struct usb_ctl_request ucr;
	int ugen_fd;

	if (argc != 2) {
		printf("usage: %s device\n", argv[0]);
		return 0;
	}

	ugen_fd = open(argv[1], O_WRONLY, 0);
	if (ugen_fd == -1)
		err(1, "%s", argv[1]);

	if (ioctl(ugen_fd, USB_GET_DEVICEINFO, &udi) == -1) {
		close(ugen_fd);
		err(1, "USB_GET_DEVICEINFO");
	}

	switch (udi.udi_vendorNo) {
	case 0x0458: /* KYE Systems */
	case 0x05ac: /* Apple Computer */
	case 0x0a12: /* Cambridge Silicon Radio */
		if (udi.udi_productNo == 0x1000)
			break;
		/* FALLTHROUGH */
	default:
		close(ugen_fd);
		printf("unknown device: %s(0x%04x), %s(0x%04x)\n",
		    udi.udi_vendor, udi.udi_vendorNo, udi.udi_product,
		    udi.udi_productNo);
		return 0;
		/* NOTREACHED */
	}

	memset(&ucr, 0, sizeof(ucr));
	ucr.ucr_request.bmRequestType = UT_WRITE_VENDOR_DEVICE;
	USETW(ucr.ucr_request.wValue, 0); /* 0: HID2HCI, 1: HCI2HID */

	if (ioctl(ugen_fd, USB_DO_REQUEST, &ucr) == -1) {
		close(ugen_fd);
		err(1, "USB_DO_REQUEST");
	}

	close(ugen_fd);

	return 0;
}