osfmk/i386/pio.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25 /*
  26  * Mach Operating System
  27  * Copyright (c) 1991,1990 Carnegie Mellon University
  28  * All Rights Reserved.
  29  *
  30  * Permission to use, copy, modify and distribute this software and its
  31  * documentation is hereby granted, provided that both the copyright
  32  * notice and this permission notice appear in all copies of the
  33  * software, derivative works or modified versions, and any portions
  34  * thereof, and that both notices appear in supporting documentation.
  35  *
  36  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  37  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  38  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  39  *
  40  * Carnegie Mellon requests users of this software to return to
  41  *
  42  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  43  *  School of Computer Science
  44  *  Carnegie Mellon University
  45  *  Pittsburgh PA 15213-3890
  46  *
  47  * any improvements or extensions that they make and grant Carnegie Mellon
  48  * the rights to redistribute these changes.
  49  */
  50 /*
  51  */
  52 #ifndef I386_PIO_H
  53 #define I386_PIO_H
  54 #include <mach_assert.h>
  55
  56 #if !MACH_ASSERT
  57 #include <architecture/i386/pio.h>
  58 #else
  59 typedef unsigned short i386_ioport_t;
  60
  61 /* read a longword */
  62 extern unsigned long    inl(
  63                                 i386_ioport_t   port);
  64 /* read a shortword */
  65 extern unsigned short   inw(
  66                                 i386_ioport_t   port);
  67 /* read a byte */
  68 extern unsigned char    inb(
  69                                 i386_ioport_t   port);
  70 /* write a longword */
  71 extern void             outl(
  72                                 i386_ioport_t   port,
  73                                 unsigned long   datum);
  74 /* write a word */
  75 extern void             outw(
  76                                 i386_ioport_t   port,
  77                                 unsigned short  datum);
  78 /* write a longword */
  79 extern void             outb(
  80                                 i386_ioport_t   port,
  81                                 unsigned char   datum);
  82
  83 /* input an array of longwords */
  84 extern void             linl(
  85                                 i386_ioport_t   port,
  86                                 int             * data,
  87                                 int             count);
  88 /* output an array of longwords */
  89 extern void             loutl(
  90                                 i386_ioport_t   port,
  91                                 int             * data,
  92                                 int             count);
  93
  94 /* input an array of words */
  95 extern void             linw(
  96                                 i386_ioport_t   port,
  97                                 int             * data,
  98                                 int             count);
  99 /* output an array of words */
 100 extern void             loutw(
 101                                 i386_ioport_t   port,
 102                                 int             * data,
 103                                 int             count);
 104
 105 /* input an array of bytes */
 106 extern void             linb(
 107                                 i386_ioport_t   port,
 108                                 char            * data,
 109                                 int             count);
 110 /* output an array of bytes */
 111 extern void             loutb(
 112                                 i386_ioport_t   port,
 113                                 char            * data,
 114                                 int             count);
 115 #endif /* !MACH_ASSERT */
 116
 117 #endif /* I386_PIO_H */