/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2009 Marcel Moolenaar
 *
 * 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 ``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 <sys/param.h>
#include <sys/bus.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <sys/rman.h>

#include <machine/intr_machdep.h>
#include <machine/resource.h>

#include <isa/isareg.h>
#include <isa/isavar.h>
#include <isa/isa_common.h>

void
isa_init(device_t dev)
{
}

struct resource *
isa_alloc_resource(device_t bus, device_t child, int type, int rid,
    u_long start, u_long end, u_long count, u_int flags)
{
        struct isa_device* idev = DEVTOISA(child);
        struct resource_list *rl = &idev->id_resources;
        int isdefault, passthrough, rids;

        isdefault = RMAN_IS_DEFAULT_RANGE(start, end) ? 1 : 0;
        passthrough = (device_get_parent(child) != bus) ? 1 : 0;

        if (!passthrough && !isdefault &&
            resource_list_find(rl, type, rid) == NULL) {
                switch (type) {
                case SYS_RES_IOPORT:    rids = ISA_PNP_NPORT; break;
                case SYS_RES_IRQ:       rids = ISA_PNP_NIRQ; break;
                case SYS_RES_MEMORY:    rids = ISA_PNP_NMEM; break;
                default:                rids = 0; break;
                }
                if (rid < 0 || rid >= rids)
                        return (NULL);

                resource_list_add(rl, type, rid, start, end, count);
        }

        return (resource_list_alloc(rl, bus, child, type, rid, start, end,
            count, flags));
}

int
isa_release_resource(device_t bus, device_t child, struct resource *r)
{
        struct isa_device* idev = DEVTOISA(child);
        struct resource_list *rl = &idev->id_resources;

        return (resource_list_release(rl, bus, child, r));
}