/* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * DRI: Josh de Cesare * */ #ifndef _IOKIT_APPLEMPIC_H #define _IOKIT_APPLEMPIC_H #include #include // Offsets and strides to MPIC registers. #define kFeatureOffset (0x01000) #define kGlobal0Offset (0x01020) #define kVendorIDOffset (0x01080) #define kProcInitOffset (0x01090) #define kIPInVecPriOffset (0x010A0) #define kIPInVecPriStride (0x00010) #define kSpurVectOffset (0x010E0) #define kTmrFreqOffset (0x010F0) #define kTnCurrCntOffset (0x01100) #define kTnBaseCntOffset (0x01110) #define kTnVecPriOffset (0x01120) #define kTnDestOffset (0x01130) #define kTnStride (0x00040) #define kIntnVecPriOffset (0x10000) #define kIntnDestOffset (0x10010) #define kIntnStride (0x00020) #define kPnIPImDispOffset (0x20040) #define kPnIPImDispStride (0x00010) #define kPnCurrTskPriOffset (0x20080) #define kPnIntAckOffset (0x200A0) #define kPnEOIOffset (0x200B0) #define kPnStride (0x01000) // Feature Reporting Register #define kFRRVersionMask (0x000000FF) #define kFRRVersionShift (0) #define kFRRNumCPUMask (0x00001F00) #define kFRRNumCPUShift (8) #define kFRRNumIRQsMask (0x07FF0000) #define kFRRNumIRQsShift (16) // Global Configuration Register 0 #define kGCR0Reset (0x80000000) #define kGCR0Cascade (0x20000000) // Vendor ID Register #define kVIDRVendorIDMask (0x000000FF) #define kVIDRVendorIDShift (0) #define kVIDRDeviceIDMask (0x0000FF00) #define kVIDRDeviceIDShift (8) // Spurious Vector #define kSpuriousVectorNumber (0xFF) // Interrupt Source n Vector/Priority Registers #define kIntnVPRMask (0x80000000) #define kIntnVPRActive (0x40000000) #define kIntnVPRSense (0x00400000) #define kIntnVPRPriorityMask (0x000F0000) #define kIntnVPRPriorityShift (16) #define kIntnVPRVectorMask (0x000000FF) #define kIntnVPRVectorShift (0) class AppleMPICInterruptController : public IOInterruptController { OSDeclareDefaultStructors(AppleMPICInterruptController); private: IOLogicalAddress mpicBaseAddress; IOMemoryMap *mpicMemoryMap; int numCPUs; int numVectors; OSSymbol *interruptControllerName; IOService *parentNub; long *senses; // callPlatformFunction symbols const OSSymbol *mpic_dispatchIPI; const OSSymbol *mpic_getProvider; const OSSymbol *mpic_getIPIVector; const OSSymbol *mpic_setCurrentTaskPriority; const OSSymbol *mpic_setUpForSleep; // sleep variables: UInt32 *originalIpivecPriOffsets; UInt32 *originalCurrentTaskPris; public: virtual bool start(IOService *provider); virtual IOReturn getInterruptType(IOService *nub, int source, int *interruptType); virtual IOInterruptAction getInterruptHandlerAddress(void); virtual IOReturn handleInterrupt(void *refCon, IOService *nub, int source); virtual bool vectorCanBeShared(long vectorNumber, IOInterruptVector *vector); virtual void initVector(long vectorNumber, IOInterruptVector *vector); virtual void disableVectorHard(long vectorNumber, IOInterruptVector *vector); virtual void enableVector(long vectorNumber, IOInterruptVector *vector); virtual OSData *getIPIVector(long physCPU); virtual void dispatchIPI(long source, long targetMask); virtual void setCurrentTaskPriority(long priority); virtual void setUpForSleep(bool goingToSleep, int cpuNum); virtual IOReturn callPlatformFunction(const OSSymbol *functionName, bool waitForFunction, void *param1, void *param2, void *param3, void *param4); }; #endif /* ! _IOKIT_APPLEMPIC_H */