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Annotation of XNU/iokit/Drivers/pci/drvApplePCI/AppleI386PCI.h, revision 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:  *
        !            27:  */
        !            28: 
        !            29: 
        !            30: #ifndef _IOKIT_APPLEI386PCI_H
        !            31: #define _IOKIT_APPLEI386PCI_H
        !            32: 
        !            33: #include <IOKit/pci/IOPCIBridge.h>
        !            34: 
        !            35: class AppleI386PCI : public IOPCIBridge
        !            36: {
        !            37:     OSDeclareDefaultStructors(AppleI386PCI)
        !            38: 
        !            39:     IODeviceMemory *   ioMemory;
        !            40: 
        !            41:     UInt8              maxBusNum;        /* Highest valid Bus Number */
        !            42:     UInt8              maxDevNum;        /* Highest valid Device Number */
        !            43:     bool               BIOS16Present;    /* booter found PCI BIOS 16 */
        !            44:     bool               configMethod1;    /* host bridge supports CM1 */
        !            45:     bool               configMethod2;    /* host bridge supports CM2 */
        !            46:     bool               specialCycle1;    /* host bridge supports SC1 */
        !            47:     bool               specialCycle2;    /* host bridge supports SC2 */
        !            48:     bool               BIOS32Present;    /* init found PCI BIOS 32 */
        !            49:     void               *BIOS32Entry;     /* Points to 32 bit PCI entry pt */
        !            50:     int                        majorVersion;     /* Packed BCD Major Rev#: 0x02 */
        !            51:     int                        minorVersion;     /* Packed BCD Minor Rev#: 0x00 */
        !            52: 
        !            53: private:
        !            54:     virtual UInt32 configRead32Method1( IOPCIAddressSpace space,
        !            55:                                         UInt8 offset );
        !            56:     virtual void configWrite32Method1( IOPCIAddressSpace space,
        !            57:                                         UInt8 offset, UInt32 data );
        !            58:     virtual UInt32 configRead32Method2( IOPCIAddressSpace space,
        !            59:                                         UInt8 offset );
        !            60:     virtual void configWrite32Method2( IOPCIAddressSpace space,
        !            61:                                         UInt8 offset, UInt32 data );
        !            62: 
        !            63:     virtual IOPCIAddressSpace getBridgeSpace( void );
        !            64: 
        !            65: protected:
        !            66:     virtual UInt8 firstBusNum( void );
        !            67:     virtual UInt8 lastBusNum( void );
        !            68: 
        !            69: public:
        !            70:     virtual bool start(        IOService * provider );
        !            71:     virtual bool configure( IOService * provider );
        !            72: 
        !            73:     virtual void free();
        !            74:     virtual IODeviceMemory * ioDeviceMemory( void );
        !            75: 
        !            76:     virtual UInt32 configRead32( IOPCIAddressSpace space, UInt8 offset );
        !            77: 
        !            78:     virtual void configWrite32( IOPCIAddressSpace space,
        !            79:                                        UInt8 offset, UInt32 data );
        !            80: };
        !            81: 
        !            82: #endif /* ! _IOKIT_APPLEI386PCI_H */
        !            83: 

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