osfmk/i386/pio.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33 /*
  34  * Mach Operating System
  35  * Copyright (c) 1991,1990 Carnegie Mellon University
  36  * All Rights Reserved.
  37  *
  38  * Permission to use, copy, modify and distribute this software and its
  39  * documentation is hereby granted, provided that both the copyright
  40  * notice and this permission notice appear in all copies of the
  41  * software, derivative works or modified versions, and any portions
  42  * thereof, and that both notices appear in supporting documentation.
  43  *
  44  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  45  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  46  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  47  *
  48  * Carnegie Mellon requests users of this software to return to
  49  *
  50  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  51  *  School of Computer Science
  52  *  Carnegie Mellon University
  53  *  Pittsburgh PA 15213-3890
  54  *
  55  * any improvements or extensions that they make and grant Carnegie Mellon
  56  * the rights to redistribute these changes.
  57  */
  58 /*
  59  */
  60 #ifndef I386_PIO_H
  61 #define I386_PIO_H
  62 #include <mach_assert.h>
  63
  64 #if !MACH_ASSERT
  65 #include <architecture/i386/pio.h>
  66 #else
  67 typedef unsigned short i386_ioport_t;
  68
  69 /* read a longword */
  70 extern unsigned long    inl(
  71                                 i386_ioport_t   port);
  72 /* read a shortword */
  73 extern unsigned short   inw(
  74                                 i386_ioport_t   port);
  75 /* read a byte */
  76 extern unsigned char    inb(
  77                                 i386_ioport_t   port);
  78 /* write a longword */
  79 extern void             outl(
  80                                 i386_ioport_t   port,
  81                                 unsigned long   datum);
  82 /* write a word */
  83 extern void             outw(
  84                                 i386_ioport_t   port,
  85                                 unsigned short  datum);
  86 /* write a longword */
  87 extern void             outb(
  88                                 i386_ioport_t   port,
  89                                 unsigned char   datum);
  90
  91 /* input an array of longwords */
  92 extern void             linl(
  93                                 i386_ioport_t   port,
  94                                 int             * data,
  95                                 int             count);
  96 /* output an array of longwords */
  97 extern void             loutl(
  98                                 i386_ioport_t   port,
  99                                 int             * data,
 100                                 int             count);
 101
 102 /* input an array of words */
 103 extern void             linw(
 104                                 i386_ioport_t   port,
 105                                 int             * data,
 106                                 int             count);
 107 /* output an array of words */
 108 extern void             loutw(
 109                                 i386_ioport_t   port,
 110                                 int             * data,
 111                                 int             count);
 112
 113 /* input an array of bytes */
 114 extern void             linb(
 115                                 i386_ioport_t   port,
 116                                 char            * data,
 117                                 int             count);
 118 /* output an array of bytes */
 119 extern void             loutb(
 120                                 i386_ioport_t   port,
 121                                 char            * data,
 122                                 int             count);
 123 #endif /* !MACH_ASSERT */
 124
 125 #endif /* I386_PIO_H */