/*	$NetBSD: vme_twovar.h,v 1.2 2000/03/18 22:33:04 scw Exp $ */

/*-
 * Copyright (c) 1999 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Steve C. Woodford.
 *
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *        This product includes software developed by the NetBSD
 *        Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation 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 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 _MVME68K_VME_TWOVAR_H
#define _MVME68K_VME_TWOVAR_H

struct vmetwo_range {
	vme_am_t	vr_am;
	vme_datasize_t	vr_datasize;
	paddr_t		vr_locstart;
	paddr_t		vr_mask;
	vme_addr_t	vr_vmestart;
	vme_addr_t	vr_vmeend;
};

#define VME2_AM_DISABLED	((vme_am_t)-1)
#define	VME2_RANGE_FIXED_A16	0
#define	VME2_RANGE_FIXED_A24	1
#define	VME2_RANGE_FIXED_A32	2
#define VME2_RANGE_PROG_START	3

#define VME2_NRANGES		(VME2_RANGE_PROG_START + VME2_MASTER_WINDOWS)

struct vmetwo_softc {
	struct device		sc_dev;
	bus_space_tag_t		sc_bust;
	bus_space_handle_t	sc_lcrh;
	bus_space_handle_t	sc_gcrh;
	bus_dma_tag_t		sc_dmat;
	bus_space_tag_t		sc_vmet;
	short			sc_irqref[8];
	struct vmetwo_range	sc_ranges[VME2_NRANGES];
	struct vme_chipset_tag	sc_vct;
};


struct vmetwo_mapresc_t {
	bus_space_handle_t	pm_handle;
	bus_addr_t		pm_addr;
	bus_size_t		pm_size;
	vme_am_t		pm_am;
	vme_datasize_t		pm_datasize;
	int			pm_range;
};


int _vmetwo_map __P((void *, vme_addr_t, vme_size_t, vme_am_t, vme_datasize_t,
    vme_swap_t, bus_space_tag_t *, bus_space_handle_t *, vme_mapresc_t *));

void _vmetwo_unmap __P((void *, vme_mapresc_t));

int _vmetwo_probe __P((void *, vme_addr_t, vme_size_t, vme_am_t,vme_datasize_t,
    int (*)(void *, bus_space_tag_t, bus_space_handle_t), void *));

int _vmetwo_intmap __P((void *, int, int, vme_intr_handle_t *));

void *_vmetwo_intr_establish __P((void *, vme_intr_handle_t, int,
    int (*)(void *), void *));

void _vmetwo_intr_disestablish __P((void *, vme_intr_handle_t));

int _vmetwo_dmamap_create __P((void *, vme_size_t, vme_am_t, vme_datasize_t,
    vme_swap_t, int, vme_size_t, vme_addr_t, int, bus_dmamap_t *));

void _vmetwo_dmamap_destroy __P((void *, bus_dmamap_t));

int _vmetwo_dmamem_alloc __P((void *, vme_size_t, vme_am_t, vme_datasize_t,
    vme_swap_t, bus_dma_segment_t *, int, int *, int));

void _vmetwo_dmamem_free __P((void *, bus_dma_segment_t *, int));

#endif /* _MVME68K_VME_TWOVAR_H */