root/sys/dev/mca/mcavar.h
/*      $NetBSD: mcavar.h,v 1.13 2025/10/19 20:52:09 thorpej Exp $      */

/*-
 * Copyright (c) 2000 The NetBSD Foundation, Inc.
 * Copyright (c) 1996-1999 Scott D. Telford.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Scott Telford <s.telford@ed.ac.uk>.
 *
 * 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.
 */

#ifndef _DEV_MCA_MCAVAR_H_
#define _DEV_MCA_MCAVAR_H_

/*
 * Definitions for MCA autoconfiguration.
 *
 * This file describes types and functions which are used for MCA
 * configuration.  Some of this information is machine-specific, and is
 * separated into mca_machdep.h.
 */

#include <sys/bus.h>
#include <machine/mca_machdep.h>

struct mcabus_attach_args {
        const char *_mba_busname;       /* XXX placeholder */
        bus_space_tag_t mba_iot;        /* MCA I/O space tag */
        bus_space_tag_t mba_memt;       /* MCA mem space tag */
        bus_dma_tag_t mba_dmat;         /* MCA DMA tag */
        mca_chipset_tag_t mba_mc;       /* currently unused */
        int             mba_bus;        /* MCA bus number */
};

int     mcabusprint(void *, const char *);

static inline device_t
mcabus_attach(device_t dev, struct mcabus_attach_args *mba)
{
        return config_found(dev, mba, mcabusprint,
            CFARGS(.iattr = "mcabus",
                   .devhandle = device_handle(dev)));
}

struct mca_attach_args {
        bus_space_tag_t ma_iot;         /* MCA I/O space tag */
        bus_space_tag_t ma_memt;        /* MCA mem space tag */
        bus_dma_tag_t ma_dmat;          /* MCA DMA tag */
        mca_chipset_tag_t ma_mc;        /* currently unused */

        int ma_slot;                    /* MCA slot number */
        int ma_pos[8];                  /* MCA POS register values */
        int ma_id;                      /* MCA device ID (POS1 + POS2<<8) */
};

void    mca_devinfo(int, char *, size_t);
int     mca_match_disabled(int);

#endif /* _DEV_MCA_MCAVAR_H_ */