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Source at commit 1146 created 12 years 11 months ago.
By azimutz, Sync with trunk (r1145). Add nVidia dev id's, 0DF4 for "GeForce GT 450M" (issue 99) and 1251 for "GeForce GTX 560M" (thanks to oSxFr33k for testing).
1/*
2 * Copyright (c) 1998-2002 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) 1999-2002 Apple Computer, Inc. All rights reserved.
24 *
25 * HISTORY
26 *
27 */
28
29
30#ifndef _IOKIT_IOFWISOCHCHANNEL_H
31#define _IOKIT_IOFWISOCHCHANNEL_H
32
33#include <libkern/c++/OSObject.h>
34#include <IOKit/firewire/IOFireWireFamilyCommon.h>
35
36enum
37{
38 kFWIsochChannelUnknownCondition= 0,
39 kFWIsochChannelNotEnoughBandwidth= 1,
40 kFWIsochChannelChannelNotAvailable= 2
41};
42
43class IOFireWireController;
44class IOFWIsochChannel;
45class IOFWIsochPort;
46class OSSet;
47class IOFWReadQuadCommand;
48class IOFWCompareAndSwapCommand;
49
50/*! @class IOFWIsochChannel
51*/
52class IOFWIsochChannel : public OSObject
53{
54 OSDeclareDefaultStructors(IOFWIsochChannel)
55
56public:
57
58typedef IOReturn (ForceStopNotificationProc)(void* refCon, IOFWIsochChannel* channel, UInt32 stopCondition );
59
60protected:
61 IOFireWireController *fControl;
62 ForceStopNotificationProc* fStopProc;
63 void *fStopRefCon;
64 IOFWIsochPort *fTalker;
65 OSSet *fListeners;
66 boolfDoIRM;
67 UInt32fBandwidth;// Allocation units used
68 UInt32fPacketSize;
69 IOFWSpeedfPrefSpeed;
70 IOFWSpeedfSpeed;// Actual speed used
71 UInt32fChannel;// Actual channel used
72 IOFWReadQuadCommand *fReadCmd;
73 IOFWCompareAndSwapCommand *fLockCmd;
74 UInt32fGeneration;// When bandwidth was allocated
75
76IOLock *fLock;
77
78/*! @struct ExpansionData
79 @discussion This structure will be used to expand the capablilties of the class in the future.
80 */
81 struct ExpansionData { };
82
83/*! @var reserved
84 Reserved for future use. (Internal use only) */
85 ExpansionData *reserved;
86
87 static voidthreadFunc( void * arg );
88
89 virtual IOReturnupdateBandwidth(bool claim);
90 virtual voidreallocBandwidth( UInt32 generation );
91 virtual voidfree();
92
93public:
94 // Called from IOFireWireController
95 virtual bool init( IOFireWireController *control, bool doIRM, UInt32 packetSize,
96IOFWSpeed prefSpeed, ForceStopNotificationProc* stopProc,
97void *stopRefCon );
98 virtual void handleBusReset();
99
100 // Called by clients
101 virtual IOReturn setTalker(IOFWIsochPort *talker);
102 virtual IOReturn addListener(IOFWIsochPort *listener);
103
104 virtual IOReturn allocateChannel();
105 virtual IOReturn releaseChannel();
106 virtual IOReturn start();
107 virtual IOReturn stop();
108
109protected:
110// handles IRM and channel determination and allocation.
111// called by both user and kernel isoch channels
112IOReturnallocateChannelBegin( IOFWSpeed speed, UInt64 allowedChans, UInt32 * channel = NULL ) ;
113
114// handles IRM and channel allocation.
115// called by both user and kernel isoch channels
116IOReturnreleaseChannelComplete() ;
117
118IOReturncheckMemoryInRange( IOMemoryDescriptor * memory );
119
120private:
121 OSMetaClassDeclareReservedUnused(IOFWIsochChannel, 0);
122 OSMetaClassDeclareReservedUnused(IOFWIsochChannel, 1);
123 OSMetaClassDeclareReservedUnused(IOFWIsochChannel, 2);
124 OSMetaClassDeclareReservedUnused(IOFWIsochChannel, 3);
125
126};
127
128typedef IOFWIsochChannel::ForceStopNotificationProc FWIsochChannelForceStopNotificationProc ;
129typedef IOFWIsochChannel::ForceStopNotificationProc* FWIsochChannelForceStopNotificationProcPtr ;
130
131#endif /* ! _IOKIT_IOFWISOCHCHANNEL_H */
132
133

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