/*      $NetBSD: mainbus.c,v 1.22 2021/08/07 16:18:55 thorpej Exp $     */

/*-
 * Copyright (c) 2001, 2004 The NetBSD Foundation, Inc.
 * 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: mainbus.c,v 1.22 2021/08/07 16:18:55 thorpej Exp $");

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

#include <machine/autoconf.h>
#include <machine/platid.h>
#include <machine/platid_mask.h>

#include "locators.h"

static int mainbus_match(device_t, cfdata_t, void *);
static void mainbus_attach(device_t, device_t, void *);
static int mainbus_search(device_t, cfdata_t, const int *, void *);
static int mainbus_print(void *, const char *);

CFATTACH_DECL_NEW(mainbus, 0,
    mainbus_match, mainbus_attach, NULL, NULL);

static int
mainbus_match(device_t parent, cfdata_t cf, void *aux)
{

        return (1);
}

static void
mainbus_attach(device_t parent, device_t self, void *aux)
{

        aprint_naive("\n");
        aprint_normal("\n");

        /* CPU  */
        config_found(self,
            &(struct mainbus_attach_args){.ma_name = "cpu"}, mainbus_print,
            CFARGS(.iattr = "mainbus"));

        /* Devices */
        config_search(self, NULL,
            CFARGS(.search = mainbus_search,
                   .iattr = "mainbus"));

        /* APM */
        config_found(self, NULL, mainbus_print,
            CFARGS(.iattr = "hpcapmif"));

        if (!pmf_device_register(self, NULL, NULL))
                aprint_error_dev(self, "unable to establish power handler\n");
}

static int
mainbus_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
{
        struct mainbus_attach_args maa;
        int locator = cf->cf_loc[MAINBUSCF_ID];

        if (locator != MAINBUSCF_ID_DEFAULT &&
            !platid_match(&platid, PLATID_DEREFP(locator)))
                return (0);

        if (strcmp(cf->cf_name, "cpu") == 0)
                return 0;

        maa.ma_name = cf->cf_name;

        if (config_probe(parent, cf, &maa))
                config_attach(parent, cf, &maa, mainbus_print, CFARGS_NONE);

        return (0);
}

static int
mainbus_print(void *aux, const char *pnp)
{

        return (pnp ? QUIET : UNCONF);
}