/*      $OpenBSD: ebusvar.h,v 1.8 2019/12/05 12:46:54 mpi Exp $ */
/*      $NetBSD: ebusvar.h,v 1.5 2001/07/20 00:07:13 eeh Exp $  */

/*
 * Copyright (c) 1999, 2000 Matthew R. Green
 * 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 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.
 */

#ifndef _SPARC64_DEV_EBUSVAR_H_
#define _SPARC64_DEV_EBUSVAR_H_

/*
 * ebus arguments; ebus attaches to a pci, and devices attach
 * to the ebus.
 */

struct ebus_attach_args {
        char                    *ea_name;       /* PROM name */
        int                     ea_node;        /* PROM node */
        
        bus_space_tag_t         ea_memtag;
        bus_space_tag_t         ea_iotag;
        bus_dma_tag_t           ea_dmatag;

        struct ebus_regs        *ea_regs;       /* registers */
        u_int32_t               *ea_vaddrs;     /* virtual addrs */
        u_int32_t               *ea_intrs;      /* interrupts */

        int                     ea_nregs;       /* number of them */
        int                     ea_nvaddrs;
        int                     ea_nintrs;
};

struct ebus_softc {
        struct device                   sc_dev;

        int                             sc_node;

        bus_space_tag_t                 sc_memtag;      /* from pci */
        bus_space_tag_t                 sc_iotag;       /* from pci */
        bus_dma_tag_t                   sc_dmatag;      /* XXX */

        void                            *sc_range;
        struct ebus_interrupt_map       *sc_intmap;
        struct ebus_interrupt_map_mask  sc_intmapmask;

        int                             sc_nrange;      /* counters */
        int                             sc_nintmap;
};


int ebus_setup_attach_args(struct ebus_softc *, int,
    struct ebus_attach_args *);
void ebus_destroy_attach_args(struct ebus_attach_args *);
int ebus_print(void *, const char *);


bus_dma_tag_t ebus_alloc_dma_tag(struct ebus_softc *, bus_dma_tag_t);

#define ebus_bus_map(t, bt, a, s, f, v, hp) \
        bus_space_map(t, a, s, f, hp)

#endif /* _SPARC64_DEV_EBUSVAR_H_ */