/*      $NetBSD: ebus.c,v 1.4 2021/08/07 16:18:48 thorpej Exp $ */

/*-
 * Copyright (c) 2010 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code was written by Alessandro Forin and Neil Pittman
 * at Microsoft Research and contributed to The NetBSD Foundation
 * by Microsoft Corporation.
 *
 * 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>                  /* RCS ID & Copyright macro defns */
__KERNEL_RCSID(0, "$NetBSD: ebus.c,v 1.4 2021/08/07 16:18:48 thorpej Exp $");

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

#include <machine/sysconf.h>
#include <emips/ebus/ebusvar.h>
#include <emips/emips/machdep.h>

#include "locators.h"

void
ebusattach(device_t parent, device_t self, void *aux)
{
        struct ebus_dev_attach_args *ida = aux;
        struct ebus_attach_args *ia;
        void *addr;
        int i;
        int locs[EBUSCF_NLOCS];

        printf("\n");

        /*
         * Loop through the devices and attach them.  If a probe-size
         * is specified, it's an optional item on the platform and
         * do a badaddr() test to make sure it's there.
         */
        for (i = 0; i < ida->ida_ndevs; i++) {
                ia = &ida->ida_devs[i];

#if 0 // DEBUG
                printf("PROBING %s %d@%x i=%d\n",
                    ia->ia_name, ia->ia_basz, ia->ia_paddr, ia->ia_cookie);
#endif
                if (ia->ia_basz != 0) {
                        addr = (void *)mips_map_physmem(ia->ia_paddr,
                            ia->ia_basz);
                        if (addr == NULL) {
                                printf("Failed to map %s: phys %x size %d\n",
                                    ia->ia_name, ia->ia_paddr, ia->ia_basz);
                                continue;
                        }
                        ia->ia_vaddr = addr;
#if 0 // DEBUG
                        printf("MAPPED at %p\n", ia->ia_vaddr);
#endif
                }

                locs[EBUSCF_ADDR] = ia->ia_paddr;

                if (config_found(self, ia, ebusprint,
                                 CFARGS(.submatch = config_stdsubmatch,
                                        .locators = locs)) == NULL) {
                        /* do we need to say anything? */
                        if (ia->ia_basz != 0) {
                                mips_unmap_physmem((vaddr_t)ia->ia_vaddr,
                                    ia->ia_basz);
                        }
                }
        }
}

int
ebusprint(void *aux, const char *pnp)
{
        struct ebus_attach_args *ia = aux;

        if (pnp)
                aprint_normal("%s at %s", ia->ia_name, pnp);

        aprint_normal(" addr 0x%x", ia->ia_paddr);

        return UNCONF;
}

void
ebus_intr_establish(device_t dev, void *cookie, int level,
    int (*handler)(void *, void *), void *arg)
{

        (*platform.intr_establish)(dev, cookie, level, handler, arg);
}