/* December 2003 -- patched by <adx@crashnet.pl> for SAGEM */

/*	$Id: eagleflash.c,v 1.6 2003/11/22 09:11:55 damien Exp $	*/

/*-
 * Copyright (c) 2003, Damien Bergamini <damien.bergamini@free.fr>
 * 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 unmodified, 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.
 */

#include <sys/cdefs.h>
__RCSID("$Id: eagleflash.c,v 1.6 2003/11/22 09:11:55 damien Exp $");

#include <sys/types.h>
#include <sys/ioctl.h>

#include <dev/usb/usb.h>

#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
#include <unistd.h>

#include "firmware.h"

#define ANCHOR_LOAD_INTERNAL	0xa0
#define ANCHOR_CPUCS_REG	0x7f92
#define ANCHOR_RESET		0x01

static void usage(void);
static void flash(int, struct ezdata *);

int
main(int argc, char **argv)
{
	int fd;

	setprogname(argv[0]);

	if (argc != 2)
		usage();

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

	flash(fd, fw_eagleII);

	(void)close(fd);

	return EX_OK;
}

static void
usage(void)
{
	(void)fprintf(stderr, "usage: %s device\n", getprogname());
	exit(EX_USAGE);
}

static void
flash(int fd, struct ezdata *firmware)
{
	struct usb_ctl_request ucr;
	u_int8_t rst;

	ucr.ucr_request.bmRequestType = UT_WRITE_VENDOR_DEVICE;
	ucr.ucr_request.bRequest = ANCHOR_LOAD_INTERNAL;
	USETW(ucr.ucr_request.wIndex, 0);
	ucr.ucr_flags = 0;

	rst = ANCHOR_RESET;
	USETW(ucr.ucr_request.wValue, ANCHOR_CPUCS_REG);
	USETW(ucr.ucr_request.wLength, 1);
	ucr.ucr_data = &rst;
	if (ioctl(fd, USB_DO_REQUEST, &ucr) == -1)
		err(EX_OSERR, "ioctl(USB_DO_REQUEST)");

	(void)usleep(250000);

	for (; firmware->length > 0; firmware++) {
		USETW(ucr.ucr_request.wValue, firmware->address);
		USETW(ucr.ucr_request.wLength, firmware->length);
		ucr.ucr_data = firmware->data;
		if (ioctl(fd, USB_DO_REQUEST, &ucr) == -1)
			err(EX_OSERR, "ioctl(USB_DO_REQUEST)");
	}

	(void)usleep(250000);

	rst = 0;
	USETW(ucr.ucr_request.wValue, ANCHOR_CPUCS_REG);
	USETW(ucr.ucr_request.wLength, 1);
	ucr.ucr_data = &rst;
	if (ioctl(fd, USB_DO_REQUEST, &ucr) == -1)
		err(EX_OSERR, "ioctl(USB_DO_REQUEST)");
}