iokit/Families/IOPCIBus/IOPCIDeviceI386.cpp

   1 /*
   2  * Copyright (c) 1998-2000 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  * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved.
  24  *
  25  * HISTORY
  26  * 23 Nov 98 sdouglas created from objc version.
  27  */
  28
  29 #include <IOKit/system.h>
  30
  31 #include <IOKit/pci/IOPCIBridge.h>
  32 #include <IOKit/pci/IOPCIDevice.h>
  33 #include <IOKit/IOLib.h>
  34 #include <IOKit/assert.h>
  35
  36 #include <libkern/c++/OSContainers.h>
  37
  38 #include <architecture/i386/pio.h>
  39
  40 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
  41
  42 UInt32 IOPCIDevice::ioRead32( UInt16 offset, IOMemoryMap * map = 0 )
  43 {
  44     UInt32      value;
  45
  46     if( 0 == map)
  47         map = ioMap;
  48
  49     value = inl( map->getPhysicalAddress() + offset );
  50
  51     return( value );
  52 }
  53
  54 UInt16 IOPCIDevice::ioRead16( UInt16 offset, IOMemoryMap * map = 0 )
  55 {
  56     UInt16      value;
  57
  58     if( 0 == map)
  59         map = ioMap;
  60
  61     value = inw( map->getPhysicalAddress() + offset );
  62
  63     return( value );
  64 }
  65
  66 UInt8 IOPCIDevice::ioRead8( UInt16 offset, IOMemoryMap * map = 0 )
  67 {
  68     UInt32      value;
  69
  70     if( 0 == map)
  71         map = ioMap;
  72
  73     value = inb( map->getPhysicalAddress() + offset );
  74
  75     return( value );
  76 }
  77
  78 void IOPCIDevice::ioWrite32( UInt16 offset, UInt32 value,
  79                                 IOMemoryMap * map = 0 )
  80 {
  81     if( 0 == map)
  82         map = ioMap;
  83
  84     outl( map->getPhysicalAddress() + offset, value );
  85 }
  86
  87 void IOPCIDevice::ioWrite16( UInt16 offset, UInt16 value,
  88                                 IOMemoryMap * map = 0 )
  89 {
  90     if( 0 == map)
  91         map = ioMap;
  92
  93     outw( map->getPhysicalAddress() + offset, value );
  94 }
  95
  96 void IOPCIDevice::ioWrite8( UInt16 offset, UInt8 value,
  97                                 IOMemoryMap * map = 0 )
  98 {
  99     if( 0 == map)
 100         map = ioMap;
 101
 102     outb( map->getPhysicalAddress() + offset, value );
 103 }
 104