sys/arch/atari/include/isa_machdep.h

   1 /*      $NetBSD: isa_machdep.h,v 1.14 2009/08/19 15:09:56 dyoung Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
   9  * NASA Ames Research Center.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions and the following disclaimer.
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in the
  18  *    documentation and/or other materials provided with the distribution.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30  * POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Copyright (c) 1997 Leo Weppelman.  All rights reserved.
  35  *
  36  * Redistribution and use in source and binary forms, with or without
  37  * modification, are permitted provided that the following conditions
  38  * are met:
  39  * 1. Redistributions of source code must retain the above copyright
  40  *    notice, this list of conditions and the following disclaimer.
  41  * 2. Redistributions in binary form must reproduce the above copyright
  42  *    notice, this list of conditions and the following disclaimer in the
  43  *    documentation and/or other materials provided with the distribution.
  44  *
  45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  55  */
  56
  57 #ifndef _ATARI_ISA_MACHDEP_H_
  58 #define _ATARI_ISA_MACHDEP_H_
  59
  60 #include <machine/bus.h>
  61 #include <machine/intr.h>
  62 #include <dev/isa/isadmavar.h>
  63
  64 struct atari_isa_chipset {
  65         struct isa_dma_state ic_dmastate;
  66 };
  67
  68 typedef struct atari_isa_chipset *isa_chipset_tag_t;
  69
  70 typedef struct  {
  71         int             slot;   /* 1/2, determines interrupt line       */
  72         int             ipl;    /* ipl requested                        */
  73         int             (*ifunc)(void *);       /* function to call     */
  74         void            *iarg;  /* argument for 'ifunc'                 */
  75         struct intrhand *ihand; /* save this for disestablishing        */
  76 } isa_intr_info_t;
  77
  78 /*
  79  * Functions provided to machine-independent ISA code.
  80  */
  81 void    isa_attach_hook(struct device *, struct device *,
  82             struct isabus_attach_args *);
  83 void    isa_detach_hook(isa_chipset_tag_t, device_t);
  84 int     isa_intr_alloc(isa_chipset_tag_t, int, int, int *);
  85 const struct evcnt *isa_intr_evcnt(isa_chipset_tag_t ic, int irq);
  86 void    *isa_intr_establish(isa_chipset_tag_t ic, int irq, int type,
  87             int level, int (*)(void *), void *ih_arg);
  88 void    isa_intr_disestablish(isa_chipset_tag_t ic, void *handler);
  89
  90 #define isa_dmainit(ic, bst, dmat, d)                                   \
  91         _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
  92 #define isa_dmadestroy(ic)                                              \
  93         _isa_dmadestroy(&(ic)->ic_dmastate)
  94 #define isa_dmacascade(ic, c)                                           \
  95         _isa_dmacascade(&(ic)->ic_dmastate, (c))
  96 #define isa_dmamaxsize(ic, c)                                           \
  97         _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
  98 #define isa_dmamap_create(ic, c, s, f)                                  \
  99         _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
 100 #define isa_dmamap_destroy(ic, c)                                       \
 101         _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
 102 #define isa_dmastart(ic, c, a, n, p, f, bf)                             \
 103         _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
 104 #define isa_dmaabort(ic, c)                                             \
 105         _isa_dmaabort(&(ic)->ic_dmastate, (c))
 106 #define isa_dmacount(ic, c)                                             \
 107         _isa_dmacount(&(ic)->ic_dmastate, (c))
 108 #define isa_dmafinished(ic, c)                                          \
 109         _isa_dmafinished(&(ic)->ic_dmastate, (c))
 110 #define isa_dmadone(ic, c)                                              \
 111         _isa_dmadone(&(ic)->ic_dmastate, (c))
 112 #define isa_dmafreeze(ic)                                               \
 113         _isa_dmafreeze(&(ic)->ic_dmastate)
 114 #define isa_dmathaw(ic)                                                 \
 115         _isa_dmathaw(&(ic)->ic_dmastate)
 116 #define isa_dmamem_alloc(ic, c, s, ap, f)                               \
 117         _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
 118 #define isa_dmamem_free(ic, c, a, s)                                    \
 119         _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
 120 #define isa_dmamem_map(ic, c, a, s, kp, f)                              \
 121         _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
 122 #define isa_dmamem_unmap(ic, c, k, s)                                   \
 123         _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
 124 #define isa_dmamem_mmap(ic, c, a, s, o, p, f)                           \
 125         _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
 126 #define isa_drq_alloc(ic, c)                                            \
 127         _isa_drq_alloc(&(ic)->ic_dmastate, c)
 128 #define isa_drq_free(ic, c)                                             \
 129         _isa_drq_free(&(ic)->ic_dmastate, c)
 130 #define isa_drq_isfree(ic, c)                                           \
 131         _isa_drq_isfree(&(ic)->ic_dmastate, (c))
 132 #define isa_malloc(ic, c, s, p, f)                                      \
 133         _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
 134 #define isa_free(a, p)                                                  \
 135         _isa_free((a), (p))
 136 #define isa_mappage(m, o, p)                                            \
 137         _isa_mappage((m), (o), (p))
 138
 139 #endif /* _ATARI_ISA_MACHDEP_H_ */