Moved to arch/i386/include/isa_machdep.h,v
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/* $NetBSD: isa_machdep.h,v 1.12 1998/08/13 21:36:06 thorpej Exp $ */
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/*-
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* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* William Jolitz.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)isa.h 5.7 (Berkeley) 5/9/91
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*/
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/*
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* Various pieces of the i386 port want to include this file without
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* or in spite of using isavar.h, and should be fixed.
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*/
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#ifndef _I386_ISA_MACHDEP_H_ /* XXX */
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#define _I386_ISA_MACHDEP_H_ /* XXX */
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#include <machine/bus.h>
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#include <dev/isa/isadmavar.h>
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/*
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* XXX THIS FILE IS A MESS. copyright: berkeley's probably.
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* contents from isavar.h and isareg.h, mostly the latter.
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* perhaps charles's?
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*
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* copyright from berkeley's isa.h which is now dev/isa/isareg.h.
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*/
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/*
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* Types provided to machine-independent ISA code.
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*/
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struct i386_isa_chipset {
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struct isa_dma_state ic_dmastate;
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};
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typedef struct i386_isa_chipset *isa_chipset_tag_t;
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struct device; /* XXX */
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struct isabus_attach_args; /* XXX */
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/*
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* Functions provided to machine-independent ISA code.
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*/
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void isa_attach_hook __P((struct device *, struct device *,
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struct isabus_attach_args *));
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int isa_intr_alloc __P((isa_chipset_tag_t, int, int, int *));
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void *isa_intr_establish __P((isa_chipset_tag_t ic, int irq, int type,
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int level, int (*ih_fun)(void *), void *ih_arg));
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void isa_intr_disestablish __P((isa_chipset_tag_t ic, void *handler));
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int isa_mem_alloc __P((bus_space_tag_t, bus_size_t, bus_size_t,
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bus_addr_t, int, bus_addr_t *, bus_space_handle_t *));
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void isa_mem_free __P((bus_space_tag_t, bus_space_handle_t, bus_size_t));
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#define isa_dmainit(ic, bst, dmat, d) \
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_isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
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#define isa_dmacascade(ic, c) \
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_isa_dmacascade(&(ic)->ic_dmastate, (c))
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#define isa_dmamap_create(ic, c, s, f) \
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_isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
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#define isa_dmamap_destroy(ic, c) \
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_isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
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#define isa_dmastart(ic, c, a, n, p, f, bf) \
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_isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
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#define isa_dmaabort(ic, c) \
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_isa_dmaabort(&(ic)->ic_dmastate, (c))
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#define isa_dmacount(ic, c) \
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_isa_dmacount(&(ic)->ic_dmastate, (c))
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#define isa_dmafinished(ic, c) \
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_isa_dmafinished(&(ic)->ic_dmastate, (c))
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#define isa_dmadone(ic, c) \
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_isa_dmadone(&(ic)->ic_dmastate, (c))
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#define isa_dmafreeze(ic) \
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_isa_dmafreeze(&(ic)->ic_dmastate)
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#define isa_dmathaw(ic) \
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_isa_dmathaw(&(ic)->ic_dmastate)
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#define isa_dmamem_alloc(ic, c, s, ap, f) \
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_isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
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#define isa_dmamem_free(ic, c, a, s) \
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_isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
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#define isa_dmamem_map(ic, c, a, s, kp, f) \
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_isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
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#define isa_dmamem_unmap(ic, c, k, s) \
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_isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
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#define isa_dmamem_mmap(ic, c, a, s, o, p, f) \
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_isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
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#define isa_drq_isfree(ic, c) \
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_isa_drq_isfree(&(ic)->ic_dmastate, (c))
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#define isa_malloc(ic, c, s, p, f) \
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_isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
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#define isa_free(a, p) \
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_isa_free((a), (p))
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#define isa_mappage(m, o, p) \
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_isa_mappage((m), (o), (p))
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/*
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* ALL OF THE FOLLOWING ARE MACHINE-DEPENDENT, AND SHOULD NOT BE USED
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* BY PORTABLE CODE.
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*/
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extern struct i386_bus_dma_tag isa_bus_dma_tag;
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/*
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* Cookie used by ISA dma. A pointer to one of these it stashed in
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* the DMA map.
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*/
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struct i386_isa_dma_cookie {
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int id_flags; /* flags; see below */
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/*
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* Information about the original buffer used during
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* DMA map syncs. Note that origibuflen is only used
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* for ID_BUFTYPE_LINEAR.
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*/
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void *id_origbuf; /* pointer to orig buffer if
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bouncing */
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bus_size_t id_origbuflen; /* ...and size */
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int id_buftype; /* type of buffer */
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void *id_bouncebuf; /* pointer to the bounce buffer */
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bus_size_t id_bouncebuflen; /* ...and size */
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int id_nbouncesegs; /* number of valid bounce segs */
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bus_dma_segment_t id_bouncesegs[0]; /* array of bounce buffer
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physical memory segments */
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};
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/* id_flags */
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#define ID_MIGHT_NEED_BOUNCE 0x01 /* map could need bounce buffers */
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#define ID_HAS_BOUNCE 0x02 /* map currently has bounce buffers */
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#define ID_IS_BOUNCING 0x04 /* map is bouncing current xfer */
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/* id_buftype */
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#define ID_BUFTYPE_INVALID 0
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#define ID_BUFTYPE_LINEAR 1
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#define ID_BUFTYPE_MBUF 2
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#define ID_BUFTYPE_UIO 3
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#define ID_BUFTYPE_RAW 4
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/*
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* XXX Various seemingly PC-specific constants, some of which may be
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* unnecessary anyway.
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*/
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/*
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* RAM Physical Address Space (ignoring the above mentioned "hole")
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*/
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#define RAM_BEGIN 0x0000000 /* Start of RAM Memory */
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#define RAM_END 0x1000000 /* End of RAM Memory */
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#define RAM_SIZE (RAM_END - RAM_BEGIN)
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/*
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* Oddball Physical Memory Addresses
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*/
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#define COMPAQ_RAMRELOC 0x80c00000 /* Compaq RAM relocation/diag */
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#define COMPAQ_RAMSETUP 0x80c00002 /* Compaq RAM setup */
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#define WEITEK_FPU 0xC0000000 /* WTL 2167 */
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#define CYRIX_EMC 0xC0000000 /* Cyrix EMC */
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/*
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* stuff that used to be in pccons.c
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*/
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#define MONO_BASE 0x3B4
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#define MONO_BUF 0xB0000
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#define CGA_BASE 0x3D4
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#define CGA_BUF 0xB8000
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#define IOPHYSMEM 0xA0000
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/*
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* Interrupt handler chains. isa_intr_establish() inserts a handler into
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* the list. The handler is called with its (single) argument.
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*/
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struct intrhand {
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int (*ih_fun) __P((void *));
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void *ih_arg;
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u_long ih_count;
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struct intrhand *ih_next;
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int ih_level;
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int ih_irq;
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};
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/*
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* ISA DMA bounce buffers.
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* XXX should be made partially machine- and bus-mapping-independent.
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*
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* DMA_BOUNCE is the number of pages of low-addressed physical memory
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* to acquire for ISA bounce buffers.
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*
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* isaphysmem is the location of those bounce buffers. (They are currently
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* assumed to be contiguous.
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*/
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#ifndef DMA_BOUNCE
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#define DMA_BOUNCE 8 /* one buffer per channel */
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#endif
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extern vaddr_t isaphysmem;
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/*
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* Variables and macros to deal with the ISA I/O hole.
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* XXX These should be converted to machine- and bus-mapping-independent
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* function definitions, invoked through the softc.
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*/
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extern u_long atdevbase; /* kernel virtual address of "hole" */
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/*
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* Given a kernel virtual address for some location
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* in the "hole" I/O space, return a physical address.
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*/
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#define ISA_PHYSADDR(v) ((void *) ((u_long)(v) - atdevbase + IOM_BEGIN))
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/*
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* Given a physical address in the "hole",
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* return a kernel virtual address.
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*/
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#define ISA_HOLE_VADDR(p) ((void *) ((u_long)(p) - IOM_BEGIN + atdevbase))
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/*
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* Miscellanous functions.
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*/
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void sysbeep __P((int, int)); /* beep with the system speaker */
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#endif /* _I386_ISA_MACHDEP_H_ XXX */
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