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Annotation of XNU/iokit/Drivers/platform/drvAppleVIA/AppleVIA.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_APPLEVIA_H
        !            30: #define _IOKIT_APPLEVIA_H
        !            31: 
        !            32: #include <IOKit/IOInterrupts.h>
        !            33: #include <IOKit/IOInterruptController.h>
        !            34: 
        !            35: #define kInterruptControllerName "VIAInterruptController"
        !            36: 
        !            37: #define kVIADeviceTypeCuda     (0)
        !            38: #define kVIADeviceTypePMU      (1)
        !            39: 
        !            40: #define kNumVectors (7)
        !            41: 
        !            42: #define kAuxControlOffset      (0x01600)
        !            43: #define kT1CounterLowOffset    (0x00800)
        !            44: #define kT1CounterHightOffset  (0x00A00)
        !            45: #define kT1LatchLowOffset      (0x00C00)
        !            46: #define kT1LatchHighOffset     (0x00E00)
        !            47: 
        !            48: #define kIEOffset              (0x01C00)
        !            49: #define kIFOffset              (0x01A00)
        !            50: #define kPCOffset              (0x01800)
        !            51: 
        !            52: class AppleVIADevice;
        !            53: class AppleVIAInterruptController;
        !            54: 
        !            55: class AppleVIA : public IOService
        !            56: {
        !            57:   OSDeclareDefaultStructors(AppleVIA);
        !            58:   
        !            59: private:
        !            60:   IOLogicalAddress            viaBaseAddress;
        !            61:   int                         viaDeviceType;
        !            62:   AppleVIADevice              *viaDevice;
        !            63:   AppleVIAInterruptController *interruptController;
        !            64:   
        !            65: public:
        !            66:   virtual bool start(IOService *provider);
        !            67:   virtual AppleVIADevice *createNub(void);
        !            68: };
        !            69: 
        !            70: class AppleVIADevice : public IOService
        !            71: {
        !            72:   OSDeclareDefaultStructors(AppleVIADevice);
        !            73: public: 
        !            74: };
        !            75: 
        !            76: 
        !            77: class AppleVIAInterruptController : public IOInterruptController
        !            78: {
        !            79:   OSDeclareDefaultStructors(AppleVIAInterruptController);
        !            80:   
        !            81: private:
        !            82:   IOService              *parentNub;
        !            83:   unsigned char          pendingEvents;
        !            84:   volatile unsigned char *IEReg;
        !            85:   volatile unsigned char *IFReg;
        !            86:   volatile unsigned char *PCReg;
        !            87:   
        !            88: public:
        !            89:   virtual IOReturn initInterruptController(IOService *provider, IOLogicalAddress interruptControllerBase);
        !            90:   
        !            91:   virtual IOInterruptAction getInterruptHandlerAddress(void);
        !            92:   virtual IOReturn handleInterrupt(void *refCon,
        !            93:                                   IOService *nub, int source);
        !            94:   
        !            95:   virtual void disableVectorHard(long vectorNumber, IOInterruptVector *vector);
        !            96:   virtual void enableVector(long vectorNumber, IOInterruptVector *vector);
        !            97:   virtual void causeVector(long vectorNumber, IOInterruptVector *vector);
        !            98: };
        !            99: 
        !           100: 
        !           101: #endif /* ! _IOKIT_APPLEVIA_H */

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