Annotation of XNU/iokit/Drivers/platform/drvAppleOHare/OHare.h, revision 1.1.1.1

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_OHARE_H
                     30: #define _IOKIT_OHARE_H
                     31: 
                     32: #include <IOKit/platform/AppleMacIO.h>
                     33: 
                     34: #include <IOKit/IOInterrupts.h>
                     35: #include <IOKit/IOInterruptController.h>
                     36: 
                     37: #define kPrimaryOHare    (0)
                     38: #define kSecondaryOHare  (1)
                     39: 
                     40: #define kNumVectors      (32)
                     41: 
                     42: #define kTypeLevelMask   (0x1FF00000)
                     43: 
                     44: #define kEventsOffset    (0x00020)
                     45: #define kMaskOffset      (0x00024)
                     46: #define kClearOffset     (0x00028)
                     47: #define kLevelsOffset    (0x0002C)
                     48: 
                     49: 
                     50: class OHareInterruptController;
                     51: 
                     52: class OHare : public AppleMacIO
                     53: {
                     54:   OSDeclareDefaultStructors(OHare);
                     55:   
                     56: private:
                     57:   IOLogicalAddress         ohareBaseAddress;
                     58:   long                     ohareNum;
                     59:   OHareInterruptController *interruptController;
                     60:   
                     61:   virtual OSSymbol *getInterruptControllerName(void);
                     62:   
                     63: public:
                     64:   virtual bool start(IOService *provider);
                     65: };
                     66: 
                     67: 
                     68: class OHareInterruptController : public IOInterruptController
                     69: {
                     70:   OSDeclareDefaultStructors(OHareInterruptController);
                     71:   
                     72: private:
                     73:   IOService         *parentNub;
                     74:   IOLock            *taskLock;
                     75:   unsigned long     pendingEvents;
                     76:   unsigned long     eventsReg;
                     77:   unsigned long     maskReg;
                     78:   unsigned long     clearReg;
                     79:   unsigned long     levelsReg;
                     80:   
                     81: public:
                     82:   virtual IOReturn initInterruptController(IOService *provider,
                     83:                                           IOLogicalAddress interruptControllerBase);
                     84:   
                     85:   virtual IOInterruptAction getInterruptHandlerAddress(void);
                     86:   virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source);
                     87:   
                     88:   virtual bool vectorCanBeShared(long vectorNumber, IOInterruptVector *vector);
                     89:   virtual int  getVectorType(long vectorNumber, IOInterruptVector *vector);
                     90:   virtual void disableVectorHard(long vectorNumber, IOInterruptVector *vector);
                     91:   virtual void enableVector(long vectorNumber, IOInterruptVector *vector);
                     92:   virtual void causeVector(long vectorNumber, IOInterruptVector *vector);
                     93: };
                     94: 
                     95: 
                     96: #endif /* ! _IOKIT_OHARE_H */

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