osfmk/i386/pio.h

   1 /*
   2  * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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  23  * Please see the License for the specific language governing rights and
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  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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  28 /*
  29  * @OSF_COPYRIGHT@
  30  */
  31 /*
  32  * Mach Operating System
  33  * Copyright (c) 1991,1990 Carnegie Mellon University
  34  * All Rights Reserved.
  35  *
  36  * Permission to use, copy, modify and distribute this software and its
  37  * documentation is hereby granted, provided that both the copyright
  38  * notice and this permission notice appear in all copies of the
  39  * software, derivative works or modified versions, and any portions
  40  * thereof, and that both notices appear in supporting documentation.
  41  *
  42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  45  *
  46  * Carnegie Mellon requests users of this software to return to
  47  *
  48  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  49  *  School of Computer Science
  50  *  Carnegie Mellon University
  51  *  Pittsburgh PA 15213-3890
  52  *
  53  * any improvements or extensions that they make and grant Carnegie Mellon
  54  * the rights to redistribute these changes.
  55  */
  56 /*
  57  */
  58 #ifndef I386_PIO_H
  59 #define I386_PIO_H
  60 #include <mach_assert.h>
  61
  62 #if !MACH_ASSERT
  63 #include <architecture/i386/pio.h>
  64 #else
  65 typedef unsigned short i386_ioport_t;
  66
  67 /* read a longword */
  68 extern unsigned long    inl(
  69                                 i386_ioport_t   port);
  70 /* read a shortword */
  71 extern unsigned short   inw(
  72                                 i386_ioport_t   port);
  73 /* read a byte */
  74 extern unsigned char    inb(
  75                                 i386_ioport_t   port);
  76 /* write a longword */
  77 extern void             outl(
  78                                 i386_ioport_t   port,
  79                                 unsigned long   datum);
  80 /* write a word */
  81 extern void             outw(
  82                                 i386_ioport_t   port,
  83                                 unsigned short  datum);
  84 /* write a longword */
  85 extern void             outb(
  86                                 i386_ioport_t   port,
  87                                 unsigned char   datum);
  88
  89 /* input an array of longwords */
  90 extern void             linl(
  91                                 i386_ioport_t   port,
  92                                 int             * data,
  93                                 int             count);
  94 /* output an array of longwords */
  95 extern void             loutl(
  96                                 i386_ioport_t   port,
  97                                 int             * data,
  98                                 int             count);
  99
 100 /* input an array of words */
 101 extern void             linw(
 102                                 i386_ioport_t   port,
 103                                 int             * data,
 104                                 int             count);
 105 /* output an array of words */
 106 extern void             loutw(
 107                                 i386_ioport_t   port,
 108                                 int             * data,
 109                                 int             count);
 110
 111 /* input an array of bytes */
 112 extern void             linb(
 113                                 i386_ioport_t   port,
 114                                 char            * data,
 115                                 int             count);
 116 /* output an array of bytes */
 117 extern void             loutb(
 118                                 i386_ioport_t   port,
 119                                 char            * data,
 120                                 int             count);
 121 #endif /* !MACH_ASSERT */
 122
 123 #endif /* I386_PIO_H */