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Annotation of XNU/iokit/Drivers/platform/drvAppleGrandCentral/GrandCentral.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) 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 */

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