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Annotation of XNU/iokit/Families/IOPCIBus/IOPCIDeviceI386.cpp, revision 1.1.1.1

1.1       root        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: 

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