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Annotation of XNU/iokit/Drivers/platform/drvAppleVIA/AppleVIA.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_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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