/* $NetBSD: irongatevar.h,v 1.8 2023/12/04 00:32:10 thorpej Exp $ */

/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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/vmem.h>

#include <dev/isa/isavar.h>
#include <dev/pci/pcivar.h>

/*
* AMD 751 chipset's configuration.
*
* All of the information that the chipset-specific functions need to
* do their dirty work (and more!).
*/
struct irongate_config {
       int     ic_initted;

       struct alpha_bus_space ic_iot, ic_memt;
       struct alpha_pci_chipset ic_pc;

       struct alpha_bus_dma_tag ic_dmat_pci;
       struct alpha_bus_dma_tag ic_dmat_isa;

       uint32_t ic_rev;

       vmem_t *ic_io_arena;
       vmem_t *ic_mem_arena;
};

struct irongate_softc {
       device_t sc_dev;

       struct  irongate_config *sc_icp;
};

void    irongate_page_physload(unsigned long, unsigned long);
void    irongate_init(struct irongate_config *);
void    irongate_pci_init(pci_chipset_tag_t, void *);
void    irongate_dma_init(struct irongate_config *);

void    irongate_bus_io_init(bus_space_tag_t, void *);
void    irongate_bus_mem_init(bus_space_tag_t, void *);

void    irongate_bus_mem_init2(bus_space_tag_t, void *);

pcireg_t irongate_conf_read0(void *, pcitag_t, int);