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Annotation of XNU/iokit/Drivers/platform/drvAppleHeathrow/Heathrow.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_HEATHROW_H
        !            30: #define _IOKIT_HEATHROW_H
        !            31: 
        !            32: #include <IOKit/platform/AppleMacIO.h>
        !            33: 
        !            34: #include <IOKit/IOInterrupts.h>
        !            35: #include <IOKit/IOInterruptController.h>
        !            36: 
        !            37: #define kPrimaryHeathrow   (0)
        !            38: #define kSecondaryHeathrow (1)
        !            39: 
        !            40: #define kNumVectors        (64)
        !            41: #define kVectorsPerReg     (32)
        !            42: 
        !            43: #define kTypeLevelMask     (0x1FF00000)
        !            44: 
        !            45: #define kEvents1Offset     (0x00020)
        !            46: #define kEvents2Offset     (0x00010)
        !            47: #define kMask1Offset       (0x00024)
        !            48: #define kMask2Offset       (0x00014)
        !            49: #define kClear1Offset      (0x00028)
        !            50: #define kClear2Offset      (0x00018)
        !            51: #define kLevels1Offset     (0x0002C)
        !            52: #define kLevels2Offset     (0x0001C)
        !            53: 
        !            54: 
        !            55: class HeathrowInterruptController;
        !            56: 
        !            57: class Heathrow : public AppleMacIO
        !            58: {
        !            59:   OSDeclareDefaultStructors(Heathrow);
        !            60:   
        !            61: private:
        !            62:   IOLogicalAddress             heathrowBaseAddress;
        !            63:   long                         heathrowNum;
        !            64:   HeathrowInterruptController  *interruptController;
        !            65:   
        !            66:   virtual bool installInterrupts(IOService *provider);
        !            67:   virtual OSSymbol *getInterruptControllerName(void);
        !            68:   
        !            69:   virtual void processNub(IOService *nub);
        !            70:   
        !            71: public:
        !            72:   virtual bool start(IOService *provider);
        !            73: };
        !            74: 
        !            75: 
        !            76: class HeathrowInterruptController : public IOInterruptController
        !            77: {
        !            78:   OSDeclareDefaultStructors(HeathrowInterruptController);
        !            79:   
        !            80: private:
        !            81:   IOService         *parentNub;
        !            82:   IOLock            *taskLock;
        !            83:   unsigned long     pendingEvents1;
        !            84:   unsigned long     pendingEvents2;
        !            85:   unsigned long     events1Reg;
        !            86:   unsigned long     events2Reg;
        !            87:   unsigned long     mask1Reg;
        !            88:   unsigned long     mask2Reg;
        !            89:   unsigned long     clear1Reg;
        !            90:   unsigned long     clear2Reg;
        !            91:   unsigned long     levels1Reg;
        !            92:   unsigned long     levels2Reg;
        !            93:   
        !            94: public:
        !            95:   virtual IOReturn initInterruptController(IOService *provider,
        !            96:                                           IOLogicalAddress interruptControllerBase);
        !            97:   
        !            98:   virtual IOInterruptAction getInterruptHandlerAddress(void);
        !            99:   virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source);
        !           100:   
        !           101:   virtual bool vectorCanBeShared(long vectorNumber, IOInterruptVector *vector);
        !           102:   virtual int  getVectorType(long vectorNumber, IOInterruptVector *vector);
        !           103:   virtual void disableVectorHard(long vectorNumber, IOInterruptVector *vector);
        !           104:   virtual void enableVector(long vectorNumber, IOInterruptVector *vector);
        !           105:   virtual void causeVector(long vectorNumber, IOInterruptVector *vector);
        !           106: };
        !           107: 
        !           108: 
        !           109: #endif /* ! _IOKIT_HEATHROW_H */

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