/*      $OpenBSD: sbusvar.h,v 1.10 2008/06/26 05:42:13 ray Exp $        */
/*      $NetBSD: sbusvar.h,v 1.7 1999/06/05 05:30:43 mrg Exp $ */

/*-
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Paul Kranenburg.
 *
 * 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.
 */

/*
 * Copyright (c) 1992, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This software was developed by the Computer Systems Engineering group
 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
 * contributed to Berkeley.
 *
 * All advertising materials mentioning features or use of this software
 * must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Lawrence Berkeley Laboratory.
 *
 * 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.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 *
 *      @(#)sbusvar.h   8.1 (Berkeley) 6/11/93
 */

#ifndef _SBUS_VAR_SPARC64_H_
#define _SBUS_VAR_SPARC64_H_

#include <machine/bus.h>

#include <sparc64/dev/iommuvar.h>

/*
 * Most devices are configured according to information kept in
 * the FORTH PROMs.  In particular, we extract the `name', `reg',
 * and `address' properties of each device attached to the mainbus;
 * other drives may also use this information.  The mainbus itself
 * (which `is' the CPU, in some sense) gets just the node, with a
 * fake name ("mainbus").
 */

/* variables per SBus */
struct sbus_softc {
        struct  device          sc_dev;         /* base device */
        bus_space_tag_t         sc_bustag;
        bus_space_handle_t      sc_bh;
        bus_dma_tag_t           sc_dmatag;
        int                     sc_clockfreq;   /* clock frequency (in Hz) */
        struct sbus_range       *sc_range;
        int                     sc_nrange;
        int                     sc_burst;       /* burst transfer sizes supported */
        int                     *sc_intr2ipl;   /* Interrupt level translation */
        int                     *sc_intr_compat;/* `intr' property to sbus compat */

        int                     sc_ign;         /* Interrupt group number for this sysio */
        struct iommu_state      sc_is;          /* IOMMU state, see iommureg.h */
        struct strbuf_ctl       sc_sb;          /* Streaming buffer control */
        int64_t                 sc_flush;       /* Streaming buffer flush */
        struct sbus_softc       *sc_master;     /* main SBus */
};

bus_addr_t sbus_bus_addr(bus_space_tag_t, u_int, u_int);

#endif /* _SBUS_VAR_SPARC64_H_ */