sys/arch/acorn26/include/podulebus_machdep.h

   1 /* $NetBSD: podulebus_machdep.h,v 1.1 2002/03/24 15:47:08 bjh21 Exp $ */
   2
   3 /*
   4  * Copyright (c) 1995 Mark Brinicombe.
   5  * Copyright (c) 1995 Brini.
   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 Brini.
  19  * 4. The name of the company nor the name of the author may be used to
  20  *    endorse or promote products derived from this software without specific
  21  *    prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR IMPLIED
  24  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  26  * IN NO EVENT SHALL BRINI OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  27  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  28  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  29  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  * RiscBSD kernel project
  36  *
  37  * podulebus.h
  38  *
  39  * Podule bus header file
  40  *
  41  * Created      : 26/04/95
  42  */
  43
  44 #include <sys/param.h>
  45 #include <machine/bus.h>
  46
  47 struct podulebus_chunk {
  48         int     pc_type;
  49         int     pc_length;
  50         int     pc_offset;
  51         int     pc_useloader;
  52 };
  53
  54 typedef int podulebus_intr_handle_t;
  55
  56 struct podulebus_attach_args {
  57         /* bus_space references for the (many) podule spaces */
  58         bus_space_tag_t         pa_easi_t;
  59         bus_space_handle_t      pa_easi_h;
  60         bus_space_tag_t         pa_mod_t;
  61         bus_space_handle_t      pa_mod_h;
  62         bus_space_tag_t         pa_fast_t;
  63         bus_space_handle_t      pa_fast_h;
  64         bus_space_tag_t         pa_medium_t;
  65         bus_space_handle_t      pa_medium_h;
  66         bus_space_tag_t         pa_slow_t;
  67         bus_space_handle_t      pa_slow_h;
  68         bus_space_tag_t         pa_sync_t;
  69         bus_space_handle_t      pa_sync_h;
  70
  71         /* Same things as raw addresses (arm32 compat) */
  72         bus_addr_t      pa_easi_base;
  73         bus_addr_t      pa_mod_base;
  74         bus_addr_t      pa_fast_base;
  75         bus_addr_t      pa_medium_base;
  76         bus_addr_t      pa_slow_base;
  77         bus_addr_t      pa_sync_base;
  78
  79         podulebus_intr_handle_t pa_ih;
  80
  81         int     pa_slotnum;
  82         int     pa_ecid;
  83         int     pa_flags1;
  84         int     pa_manufacturer;
  85         int     pa_product;
  86         struct podulebus_chunk *pa_chunks;
  87         int     pa_nchunks;
  88         char    *pa_descr;
  89         void    *pa_loader;
  90         int     pa_slotflags;
  91 #define PA_SLOT_EASI    0x01    /* EASI space available */
  92 };
  93
  94 #define IS_PODULE(pa, man, prod)        \
  95         ((pa)->pa_manufacturer == (man) && (pa)->pa_product == (prod))
  96
  97 /* Set the address-bus shift for a bus_space tag. */
  98
  99 #define podulebus_shift_tag(tag, shift, tagp) bus_space_shift(tag, shift, tagp)
 100
 101 #ifdef _KERNEL
 102
 103 struct evcnt;
 104
 105 extern void *podulebus_irq_establish(podulebus_intr_handle_t, int,
 106     int (*)(void *), void *, struct evcnt *);
 107
 108 #endif
 109
 110 /* arm32 compatibility */
 111
 112 #define WriteByte(a, v)         bus_space_write_1(2, (a), 0, (v))
 113 #define WriteShort(a, v)        bus_space_write_2(2, (a), 0, (v))
 114 #define ReadByte(a)             bus_space_read_1(2, (a), 0)
 115 #define ReadShort(a)            bus_space_read_2(2, (a), 0)
 116
 117 /* XXX The arm32 version ignores "slot" too. */
 118 #define matchpodule(pa, man, prod, slot) IS_PODULE(pa, man, prod)
 119
 120 /* end arm32 compatibility */
 121
 122 /* End of podulebus.h */