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Annotation of XNU/iokit/Drivers/platform/drvAppleMPIC/AppleMPIC.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_APPLEMPIC_H
        !            30: #define _IOKIT_APPLEMPIC_H
        !            31: 
        !            32: #include <IOKit/IOInterrupts.h>
        !            33: #include <IOKit/IOInterruptController.h>
        !            34: 
        !            35: // Offsets and strides to MPIC registers.
        !            36: 
        !            37: #define kFeatureOffset         (0x01000)
        !            38: #define kGlobal0Offset         (0x01020)
        !            39: #define kVendorIDOffset        (0x01080)
        !            40: #define kProcInitOffset        (0x01090)
        !            41: #define kIPInVecPriOffset      (0x010A0)
        !            42: #define kIPInVecPriStride      (0x00010)
        !            43: #define kSpurVectOffset        (0x010E0)
        !            44: #define kTmrFreqOffset         (0x010F0)
        !            45: #define kTnCurrCntOffset       (0x01100)
        !            46: #define kTnBaseCntOffset       (0x01110)
        !            47: #define kTnVecPriOffset        (0x01120)
        !            48: #define kTnDestOffset          (0x01130)
        !            49: #define kTnStride              (0x00040)
        !            50: #define kIntnVecPriOffset      (0x10000)
        !            51: #define kIntnDestOffset        (0x10010)
        !            52: #define kIntnStride            (0x00020)
        !            53: #define kPnIPImDispOffset      (0x20040)
        !            54: #define kPnIPImDispStride      (0x00010)
        !            55: #define kPnCurrTskPriOffset    (0x20080)
        !            56: #define kPnIntAckOffset        (0x200A0)
        !            57: #define kPnEOIOffset           (0x200B0)
        !            58: #define kPnStride              (0x01000)
        !            59: 
        !            60: // Feature Reporting Register
        !            61: #define kFRRVersionMask        (0x000000FF)
        !            62: #define kFRRVersionShift       (0)
        !            63: #define kFRRNumCPUMask         (0x00001F00)
        !            64: #define kFRRNumCPUShift        (8)
        !            65: #define kFRRNumIRQsMask        (0x07FF0000)
        !            66: #define kFRRNumIRQsShift       (16)
        !            67: 
        !            68: // Global Configuration Register 0
        !            69: #define kGCR0Reset             (0x80000000)
        !            70: #define kGCR0Cascade           (0x20000000)
        !            71: 
        !            72: // Vendor ID Register
        !            73: #define kVIDRVendorIDMask      (0x000000FF)
        !            74: #define kVIDRVendorIDShift     (0)
        !            75: #define kVIDRDeviceIDMask      (0x0000FF00)
        !            76: #define kVIDRDeviceIDShift     (8)
        !            77: 
        !            78: // Spurious Vector
        !            79: #define kSpuriousVectorNumber  (0xFF)
        !            80: 
        !            81: // Interrupt Source n Vector/Priority Registers
        !            82: #define kIntnVPRMask           (0x80000000)
        !            83: #define kIntnVPRActive         (0x40000000)
        !            84: #define kIntnVPRSense          (0x00400000)
        !            85: #define kIntnVPRPriorityMask   (0x000F0000)
        !            86: #define kIntnVPRPriorityShift  (16)
        !            87: #define kIntnVPRVectorMask     (0x000000FF)
        !            88: #define kIntnVPRVectorShift    (0)
        !            89: 
        !            90: class AppleMPICInterruptController : public IOInterruptController
        !            91: {
        !            92:   OSDeclareDefaultStructors(AppleMPICInterruptController);
        !            93:   
        !            94: private:
        !            95:   IOLogicalAddress       mpicBaseAddress;
        !            96:   IOMemoryMap            *mpicMemoryMap;
        !            97:   int                    numCPUs;
        !            98:   int                    numVectors;
        !            99:   OSSymbol               *interruptControllerName;
        !           100:   IOService              *parentNub;
        !           101:   long                   *senses;
        !           102:   
        !           103: public:
        !           104:   virtual bool start(IOService *provider);
        !           105:   
        !           106:   virtual IOReturn getInterruptType(IOService *nub, int source,
        !           107:                                    int *interruptType);
        !           108:   
        !           109:   virtual IOInterruptAction getInterruptHandlerAddress(void);
        !           110:   virtual IOReturn handleInterrupt(void *refCon,
        !           111:                                   IOService *nub, int source);
        !           112:   
        !           113:   virtual bool vectorCanBeShared(long vectorNumber, IOInterruptVector *vector);
        !           114:   virtual void initVector(long vectorNumber, IOInterruptVector *vector);
        !           115:   virtual void disableVectorHard(long vectorNumber, IOInterruptVector *vector);
        !           116:   virtual void enableVector(long vectorNumber, IOInterruptVector *vector);
        !           117: 
        !           118:   virtual OSData *getIPIVector(long physCPU);
        !           119:   virtual void   dispatchIPI(long source, long targetMask);
        !           120: };
        !           121: 
        !           122: 
        !           123: #endif /* ! _IOKIT_APPLEMPIC_H */

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