/*      $NetBSD: isa_machdep.h,v 1.13 2021/12/12 11:10:04 andvar Exp $  */

/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* 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) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* 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.
*
*      @(#)isa.h       5.7 (Berkeley) 5/9/91
*/

/*
* Various pieces of the i386 port want to include this file without
* or in spite of using isavar.h, and should be fixed.
*/

#ifndef _X86_ISA_MACHDEP_H_                     /* XXX */
#define _X86_ISA_MACHDEP_H_                     /* XXX */

#include <sys/bus.h>
#include <sys/device.h>
#include <dev/isa/isadmavar.h>

/*
* XXX THIS FILE IS A MESS.  copyright: berkeley's probably.
* contents from isavar.h and isareg.h, mostly the latter.
* perhaps charles's?
*
* copyright from berkeley's isa.h which is now dev/isa/isareg.h.
*/

/*
* Types provided to machine-independent ISA code.
*/
struct x86_isa_chipset {
       struct isa_dma_state ic_dmastate;
};

typedef struct x86_isa_chipset *isa_chipset_tag_t;

struct isabus_attach_args;      /* XXX */

/*
* Functions provided to machine-independent ISA code.
*/
void    isa_attach_hook(device_t, device_t,
           struct isabus_attach_args *);
void    isa_detach_hook(isa_chipset_tag_t, device_t);
int     isa_intr_alloc(isa_chipset_tag_t, int, int, int *);
const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
void    *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
           int level, int (*ih_fun)(void *), void *ih_arg);
void    *isa_intr_establish_xname(isa_chipset_tag_t ic, int irq, int type,
           int level, int (*ih_fun)(void *), void *ih_arg, const char *xname);
void    isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
int     isa_mem_alloc(bus_space_tag_t, bus_size_t, bus_size_t,
           bus_addr_t, int, bus_addr_t *, bus_space_handle_t *);
void    isa_mem_free(bus_space_tag_t, bus_space_handle_t, bus_size_t);

#define isa_dmadestroy(ic)                                              \
       _isa_dmadestroy(&(ic)->ic_dmastate)
#define isa_dmainit(ic, bst, dmat, d)                                   \
       _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
#define isa_dmacascade(ic, c)                                           \
       _isa_dmacascade(&(ic)->ic_dmastate, (c))
#define isa_dmamaxsize(ic, c)                                           \
       _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
#define isa_dmamap_create(ic, c, s, f)                                  \
       _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
#define isa_dmamap_destroy(ic, c)                                       \
       _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
#define isa_dmastart(ic, c, a, n, p, f, bf)                             \
       _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
#define isa_dmaabort(ic, c)                                             \
       _isa_dmaabort(&(ic)->ic_dmastate, (c))
#define isa_dmacount(ic, c)                                             \
       _isa_dmacount(&(ic)->ic_dmastate, (c))
#define isa_dmafinished(ic, c)                                          \
       _isa_dmafinished(&(ic)->ic_dmastate, (c))
#define isa_dmadone(ic, c)                                              \
       _isa_dmadone(&(ic)->ic_dmastate, (c))
#define isa_dmafreeze(ic)                                               \
       _isa_dmafreeze(&(ic)->ic_dmastate)
#define isa_dmathaw(ic)                                                 \
       _isa_dmathaw(&(ic)->ic_dmastate)
#define isa_dmamem_alloc(ic, c, s, ap, f)                               \
       _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
#define isa_dmamem_free(ic, c, a, s)                                    \
       _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
#define isa_dmamem_map(ic, c, a, s, kp, f)                              \
       _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
#define isa_dmamem_unmap(ic, c, k, s)                                   \
       _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
#define isa_dmamem_mmap(ic, c, a, s, o, p, f)                           \
       _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
#define isa_drq_alloc(ic, c)                                            \
       _isa_drq_alloc(&(ic)->ic_dmastate, c)
#define isa_drq_free(ic, c)                                             \
       _isa_drq_free(&(ic)->ic_dmastate, c)
#define isa_drq_isfree(ic, c)                                           \
       _isa_drq_isfree(&(ic)->ic_dmastate, (c))
#define isa_malloc(ic, c, s, p, f)                                      \
       _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
#define isa_free(a, p)                                                  \
       _isa_free((a), (p))
#define isa_mappage(m, o, p)                                            \
       _isa_mappage((m), (o), (p))

/*
* for ACPI code
*/

void    isa_reinit_irq(void);

/*
* ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED
* BY PORTABLE CODE.
*/

extern struct x86_bus_dma_tag isa_bus_dma_tag;

/*
* XXX Various seemingly PC-specific constants, some of which may be
* unnecessary anyway.
*/

/*
* RAM Physical Address Space (ignoring the above mentioned "hole")
*/
#define RAM_BEGIN       0x0000000       /* Start of RAM Memory */
#define RAM_END         0x1000000       /* End of RAM Memory */
#define RAM_SIZE        (RAM_END - RAM_BEGIN)

/*
* Oddball Physical Memory Addresses
*/
#define COMPAQ_RAMRELOC 0x80c00000      /* Compaq RAM relocation/diag */
#define COMPAQ_RAMSETUP 0x80c00002      /* Compaq RAM setup */
#define WEITEK_FPU      0xC0000000      /* WTL 2167 */
#define CYRIX_EMC       0xC0000000      /* Cyrix EMC */

/*
* stuff that used to be in pccons.c
*/
#define MONO_BASE       0x3B4
#define MONO_BUF        0xB0000
#define CGA_BASE        0x3D4
#define CGA_BUF         0xB8000

/*
* Variables and macros to deal with the ISA I/O hole.
* XXX These should be converted to machine- and bus-mapping-independent
* function definitions, invoked through the softc.
*/

extern vaddr_t atdevbase;         /* kernel virtual address of "hole" */

/*
* Given a kernel virtual address for some location
* in the "hole" I/O space, return a physical address.
*/
#define ISA_PHYSADDR(v) ((bus_addr_t)(v) - atdevbase + IOM_BEGIN)

/*
* Given a physical address in the "hole",
* return a kernel virtual address.
*/
#define ISA_HOLE_VADDR(p)  ((void *) ((vaddr_t)(p) - IOM_BEGIN + atdevbase))


/*
* Miscellaneous functions.
*/
void sysbeep(int, int);         /* beep with the system speaker */

#endif /* _X86_ISA_MACHDEP_H_ XXX */

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