sys/arch/arc/include/isa_machdep.h

   1 /*      $NetBSD: isa_machdep.h,v 1.13 2006/06/12 15:39:01 tsutsui Exp $ */
   2 /*      $OpenBSD: isa_machdep.h,v 1.5 1997/04/19 17:20:00 pefo Exp $  */
   3
   4 /*
   5  * Copyright (c) 1996 Per Fogelstrom
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  * 1. Redistributions of source code must retain the above copyright
  12  *    notice, this list of conditions and the following disclaimer.
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  * 3. All advertising materials mentioning features or use of this software
  17  *    must display the following acknowledgement:
  18  *      This product includes software developed by Per Fogelstrom
  19  * 4. The name of the author may not be used to endorse or promote products
  20  *    derived from this software without specific prior written permission
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 #ifndef _ISA_MACHDEP_H_
  34 #define _ISA_MACHDEP_H_
  35
  36 #include <dev/isa/isadmavar.h>
  37
  38 typedef struct arc_isa_bus *isa_chipset_tag_t;
  39
  40 /*
  41  *      I/O macros to access isa bus ports/memory.
  42  *      At the first glance theese macros may seem inefficient.
  43  *      However, the CPU executes an instruction every 7.5ns
  44  *      so the bus is much slower so it doesn't matter, really.
  45  */
  46 #define isa_outb(x,y)   outb(arc_bus_io.bs_vbase + (x)- arc_bus_io.bs_start, y)
  47 #define isa_inb(x)      inb(arc_bus_io.bs_vbase + (x) - arc_bus_io.bs_start)
  48
  49 struct arc_isa_bus {
  50         void    *ic_data;
  51
  52         struct isa_dma_state ic_dmastate;
  53
  54         void    (*ic_attach_hook)(struct device *, struct device *,
  55                     struct isabus_attach_args *);
  56         const struct evcnt *(*ic_intr_evcnt)(isa_chipset_tag_t, int);
  57         void    *(*ic_intr_establish)(isa_chipset_tag_t, int, int, int,
  58                     int (*)(void *), void *);
  59         void    (*ic_intr_disestablish)(isa_chipset_tag_t, void *);
  60         void    (*ic_detach_hook)(isa_chipset_tag_t, device_t);
  61 };
  62
  63
  64 /*
  65  * Functions provided to machine-independent ISA code.
  66  */
  67 #define isa_attach_hook(p, s, a)                             /*           \
  68     (*(a)->iba_ic->ic_attach_hook)((p), (s), (a)) */
  69 #define isa_detach_hook(c, s)                                           \
  70     (*(c)->ic_detach_hook)((c), (s))
  71 #define isa_intr_evcnt(c, i)                                    \
  72     (*(c)->ic_intr_evcnt)((c)->ic_data, (i))
  73 #define isa_intr_establish(c, i, t, l, f, a)                         \
  74     (*(c)->ic_intr_establish)((c)->ic_data, (i), (t), (l), (f), (a))
  75 #define isa_intr_disestablish(c, h)                                     \
  76     (*(c)->ic_intr_disestablish)((c)->ic_data, (h))
  77
  78 #define isa_dmainit(ic, bst, dmat, d)                                   \
  79         _isa_dmainit(&(ic)->ic_dmastate, (bst), (dmat), (d))
  80 #define isa_dmadestroy(ic)                                              \
  81         _isa_dmadestroy(&(ic)->ic_dmastate)
  82 #define isa_dmacascade(ic, c)                                           \
  83         _isa_dmacascade(&(ic)->ic_dmastate, (c))
  84 #define isa_dmamaxsize(ic, c)                                           \
  85         _isa_dmamaxsize(&(ic)->ic_dmastate, (c))
  86 #define isa_dmamap_create(ic, c, s, f)                                  \
  87         _isa_dmamap_create(&(ic)->ic_dmastate, (c), (s), (f))
  88 #define isa_dmamap_destroy(ic, c)                                       \
  89         _isa_dmamap_destroy(&(ic)->ic_dmastate, (c))
  90 #define isa_dmastart(ic, c, a, n, p, f, bf)                             \
  91         _isa_dmastart(&(ic)->ic_dmastate, (c), (a), (n), (p), (f), (bf))
  92 #define isa_dmaabort(ic, c)                                             \
  93         _isa_dmaabort(&(ic)->ic_dmastate, (c))
  94 #define isa_dmacount(ic, c)                                             \
  95         _isa_dmacount(&(ic)->ic_dmastate, (c))
  96 #define isa_dmafinished(ic, c)                                          \
  97         _isa_dmafinished(&(ic)->ic_dmastate, (c))
  98 #define isa_dmadone(ic, c)                                              \
  99         _isa_dmadone(&(ic)->ic_dmastate, (c))
 100 #define isa_dmafreeze(ic)                                               \
 101         _isa_dmafreeze(&(ic)->ic_dmastate)
 102 #define isa_dmathaw(ic)                                                 \
 103         _isa_dmathaw(&(ic)->ic_dmastate)
 104 #define isa_dmamem_alloc(ic, c, s, ap, f)                               \
 105         _isa_dmamem_alloc(&(ic)->ic_dmastate, (c), (s), (ap), (f))
 106 #define isa_dmamem_free(ic, c, a, s)                                    \
 107         _isa_dmamem_free(&(ic)->ic_dmastate, (c), (a), (s))
 108 #define isa_dmamem_map(ic, c, a, s, kp, f)                              \
 109         _isa_dmamem_map(&(ic)->ic_dmastate, (c), (a), (s), (kp), (f))
 110 #define isa_dmamem_unmap(ic, c, k, s)                                   \
 111         _isa_dmamem_unmap(&(ic)->ic_dmastate, (c), (k), (s))
 112 #define isa_dmamem_mmap(ic, c, a, s, o, p, f)                           \
 113         _isa_dmamem_mmap(&(ic)->ic_dmastate, (c), (a), (s), (o), (p), (f))
 114 #define isa_drq_alloc(ic, c)                                            \
 115         _isa_drq_alloc(&(ic)->ic_dmastate, c)
 116 #define isa_drq_free(ic, c)                                             \
 117         _isa_drq_free(&(ic)->ic_dmastate, c)
 118 #define isa_drq_isfree(ic, c)                                           \
 119         _isa_drq_isfree(&(ic)->ic_dmastate, (c))
 120 #define isa_malloc(ic, c, s, p, f)                                      \
 121         _isa_malloc(&(ic)->ic_dmastate, (c), (s), (p), (f))
 122 #define isa_free(a, p)                                                  \
 123         _isa_free((a), (p))
 124 #define isa_mappage(m, o, p)                                            \
 125         _isa_mappage((m), (o), (p))
 126
 127 int isa_intr_alloc(isa_chipset_tag_t, int, int, int *);
 128
 129 void sysbeepstop(void *);
 130 void sysbeep(int, int);
 131
 132
 133 /*
 134  *      Interrupt control struct used to control the ICU setup.
 135  */
 136
 137 struct isa_intrhand {
 138         struct  isa_intrhand *ih_next;
 139         int     (*ih_fun)(void *);
 140         void    *ih_arg;
 141         u_long  ih_count;
 142         int     ih_level;
 143         int     ih_irq;
 144         struct evcnt ih_evcnt;
 145         char    ih_evname[32];
 146 };
 147
 148 #endif /* _ISA_MACHDEP_H_ */