projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
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 | IOSimpleLock * lock; | |
| 40 | IODeviceMemory * ioMemory; | |
| 41 | ||
| 42 | UInt8 maxBusNum; /* Highest valid Bus Number */ | |
| 43 | UInt8 maxDevNum; /* Highest valid Device Number */ | |
| 44 | bool BIOS16Present; /* booter found PCI BIOS 16 */ | |
| 45 | bool configMethod1; /* host bridge supports CM1 */ | |
| 46 | bool configMethod2; /* host bridge supports CM2 */ | |
| 47 | bool specialCycle1; /* host bridge supports SC1 */ | |
| 48 | bool specialCycle2; /* host bridge supports SC2 */ | |
| 49 | bool BIOS32Present; /* init found PCI BIOS 32 */ | |
| 50 | void *BIOS32Entry; /* Points to 32 bit PCI entry pt */ | |
| 51 | int majorVersion; /* Packed BCD Major Rev#: 0x02 */ | |
| 52 | int minorVersion; /* Packed BCD Minor Rev#: 0x00 */ | |
| 53 | ||
| 54 | private: | |
| 55 | virtual UInt32 configRead32Method1( IOPCIAddressSpace space, | |
| 56 | UInt8 offset ); | |
| 57 | virtual void configWrite32Method1( IOPCIAddressSpace space, | |
| 58 | UInt8 offset, UInt32 data ); | |
| 59 | virtual UInt16 configRead16Method1( IOPCIAddressSpace space, | |
| 60 | UInt8 offset ); | |
| 61 | virtual void configWrite16Method1( IOPCIAddressSpace space, | |
| 62 | UInt8 offset, UInt16 data ); | |
| 63 | virtual UInt8 configRead8Method1( IOPCIAddressSpace space, | |
| 64 | UInt8 offset ); | |
| 65 | virtual void configWrite8Method1( IOPCIAddressSpace space, | |
| 66 | UInt8 offset, UInt8 data ); | |
| 67 | ||
| 68 | virtual UInt32 configRead32Method2( IOPCIAddressSpace space, | |
| 69 | UInt8 offset ); | |
| 70 | virtual void configWrite32Method2( IOPCIAddressSpace space, | |
| 71 | UInt8 offset, UInt32 data ); | |
| 72 | virtual UInt16 configRead16Method2( IOPCIAddressSpace space, | |
| 73 | UInt8 offset ); | |
| 74 | virtual void configWrite16Method2( IOPCIAddressSpace space, | |
| 75 | UInt8 offset, UInt16 data ); | |
| 76 | virtual UInt8 configRead8Method2( IOPCIAddressSpace space, | |
| 77 | UInt8 offset ); | |
| 78 | virtual void configWrite8Method2( IOPCIAddressSpace space, | |
| 79 | UInt8 offset, UInt8 data ); | |
| 80 | ||
| 81 | virtual IOPCIAddressSpace getBridgeSpace( void ); | |
| 82 | ||
| 83 | protected: | |
| 84 | virtual UInt8 firstBusNum( void ); | |
| 85 | virtual UInt8 lastBusNum( void ); | |
| 86 | ||
| 87 | public: | |
| 88 | virtual bool start( IOService * provider ); | |
| 89 | virtual bool configure( IOService * provider ); | |
| 90 | ||
| 91 | virtual void free(); | |
| 92 | virtual IODeviceMemory * ioDeviceMemory( void ); | |
| 93 | ||
| 94 | virtual UInt32 configRead32( IOPCIAddressSpace space, UInt8 offset ); | |
| 95 | virtual void configWrite32( IOPCIAddressSpace space, | |
| 96 | UInt8 offset, UInt32 data ); | |
| 97 | virtual UInt16 configRead16( IOPCIAddressSpace space, UInt8 offset ); | |
| 98 | virtual void configWrite16( IOPCIAddressSpace space, | |
| 99 | UInt8 offset, UInt16 data ); | |
| 100 | virtual UInt8 configRead8( IOPCIAddressSpace space, UInt8 offset ); | |
| 101 | virtual void configWrite8( IOPCIAddressSpace space, | |
| 102 | UInt8 offset, UInt8 data ); | |
| 103 | }; | |
| 104 | ||
| 105 | #endif /* ! _IOKIT_APPLEI386PCI_H */ | |
| 106 |