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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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