projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 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) 1999 Apple Computer, Inc. All rights reserved. | |
| 24 | * | |
| 25 | * DRI: Josh de Cesare | |
| 26 | * | |
| 27 | */ | |
| 28 | ||
| 29 | #ifndef _IOKIT_GRANDCENTRAL_H | |
| 30 | #define _IOKIT_GRANDCENTRAL_H | |
| 31 | ||
| 32 | #include <IOKit/platform/AppleMacIO.h> | |
| 33 | ||
| 34 | #include <IOKit/IOInterrupts.h> | |
| 35 | #include <IOKit/IOInterruptController.h> | |
| 36 | ||
| 37 | #define kNumVectors (32) | |
| 38 | ||
| 39 | #define kTypeLevelMask (0x3FF00000) | |
| 40 | ||
| 41 | #define kEventsOffset (0x00020) | |
| 42 | #define kMaskOffset (0x00024) | |
| 43 | #define kClearOffset (0x00028) | |
| 44 | #define kLevelsOffset (0x0002C) | |
| 45 | ||
| 46 | ||
| 47 | class GrandCentralInterruptController; | |
| 48 | ||
| 49 | class GrandCentral : public AppleMacIO | |
| 50 | { | |
| 51 | OSDeclareDefaultStructors(GrandCentral); | |
| 52 | ||
| 53 | private: | |
| 54 | IOLogicalAddress grandCentralBaseAddress; | |
| 55 | GrandCentralInterruptController *interruptController; | |
| 56 | ||
| 57 | public: | |
| 58 | virtual bool start(IOService *provider); | |
| 59 | }; | |
| 60 | ||
| 61 | ||
| 62 | class GrandCentralInterruptController : public IOInterruptController | |
| 63 | { | |
| 64 | OSDeclareDefaultStructors(GrandCentralInterruptController); | |
| 65 | ||
| 66 | private: | |
| 67 | IOService *parentNub; | |
| 68 | IOLock *taskLock; | |
| 69 | unsigned long pendingEvents; | |
| 70 | unsigned long eventsReg; | |
| 71 | unsigned long maskReg; | |
| 72 | unsigned long clearReg; | |
| 73 | unsigned long levelsReg; | |
| 74 | ||
| 75 | public: | |
| 76 | virtual IOReturn initInterruptController(IOService *provider, IOLogicalAddress interruptControllerBase); | |
| 77 | ||
| 78 | virtual IOInterruptAction getInterruptHandlerAddress(void); | |
| 79 | virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source); | |
| 80 | ||
| 81 | virtual bool vectorCanBeShared(long vectorNumber, IOInterruptVector *vector); | |
| 82 | virtual int getVectorType(long vectorNumber, IOInterruptVector *vector); | |
| 83 | virtual void disableVectorHard(long vectorNumber, IOInterruptVector *vector); | |
| 84 | virtual void enableVector(long vectorNumber, IOInterruptVector *vector); | |
| 85 | virtual void causeVector(long vectorNumber, IOInterruptVector *vector); | |
| 86 | }; | |
| 87 | ||
| 88 | ||
| 89 | #endif /* ! _IOKIT_GRANDCENTRAL_H */ |