/*      $NetBSD: ofw_sysctl.c,v 1.2 2020/04/03 21:55:07 macallan Exp $ */

/*-
 * Copyright (c) 2020 Michael Lorenz
 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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>
__KERNEL_RCSID(0, "$NetBSD: ofw_sysctl.c,v 1.2 2020/04/03 21:55:07 macallan Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/types.h>

#include <sys/sysctl.h>
#include <dev/ofw/openfirm.h>

char firmwarestring[64] = "unknown";
char firmwareversion[64] = "unknown";

SYSCTL_SETUP(sysctl_hw_misc_setup, "sysctl hw.ofw subtree misc setup")
{
        const struct sysctlnode *me;
        int openprom;

        openprom = OF_finddevice("/openprom");
        if (openprom == 0 || openprom == -1) return;

        sysctl_createv(clog, 0, NULL, &me,
                CTLFLAG_PERMANENT,
                CTLTYPE_NODE, "ofw",
                SYSCTL_DESCR("OpenFirmware information"),
                NULL, 0, NULL, 0,
                CTL_HW, CTL_CREATE, CTL_EOL);

        memset(firmwarestring, 0, 64);
        if (OF_getprop(openprom, "model", firmwarestring, 63) > 0) {

                aprint_debug("firmware: %s\n", firmwarestring);
                sysctl_createv(clog, 0, NULL, NULL,
                        CTLFLAG_PERMANENT,
                        CTLTYPE_STRING, "model",
                        SYSCTL_DESCR("firmware type"),
                        NULL, 0, firmwarestring, 0,
                        CTL_HW, me->sysctl_num, CTL_CREATE, CTL_EOL);
        }

        memset(firmwareversion, 0, 64);
        if (OF_getprop(openprom, "version", firmwareversion, 63) > 0) {

                aprint_debug("version: %s\n", firmwareversion);
                sysctl_createv(clog, 0, NULL, NULL,
                        CTLFLAG_PERMANENT,
                        CTLTYPE_STRING, "version",
                        SYSCTL_DESCR("firmware version"),
                        NULL, 0, firmwareversion, 0,
                        CTL_HW, me->sysctl_num, CTL_CREATE, CTL_EOL);
        }
}