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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) 1998-2006 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#ifndef _IOKIT_IOFIREWIREIRMALLOCATION_H
24#define _IOKIT_IOFIREWIREIRMALLOCATION_H
25
26#include <libkern/c++/OSObject.h>
27
28class IOFireWireController;
29
30//#include <IOKit/firewire/IOFireWireController.h>
31//#include <IOKit/firewire/IOFireWireFamilyCommon.h>
32
33/*! @class IOFireWireIRMAllocation
34*/
35
36class IOFireWireIRMAllocation : public OSObject
37{
38friend class IOFireWireController;
39
40 OSDeclareDefaultStructors(IOFireWireIRMAllocation)
41
42public:
43
44// Prototype for the callback if reallocation after bus-reset is unsuccessful.
45typedef IOReturn (*AllocationLostNotificationProc)(void* refCon, class IOFireWireIRMAllocation* allocation);
46
47// Initialize the IRM allocation object.
48 virtual bool init( IOFireWireController * control,
49 Boolean releaseIRMResourcesOnFree = true,
50 AllocationLostNotificationProc allocationLostProc = NULL,
51 void *pLostProcRefCon = NULL);
52
53// Specify whether of not the IRM resources should automatically
54// be released when freeing this allocation object.
55virtual void setReleaseIRMResourcesOnFree(Boolean doRelease);
56
57// Use the IRMAllocation object to allocate isoch resources
58virtual IOReturn allocateIsochResources(UInt8 isochChannel, UInt32 bandwidthUnits);
59
60// Free isoch resources previously allocated with a call to allocateIsochResources
61virtual IOReturn deallocateIsochResources(void);
62
63// Returns true if isoch resources are currently allocated, and if true, the allocated channel, and amount of isoch bandwidth.
64virtual Boolean areIsochResourcesAllocated(UInt8 *pAllocatedIsochChannel, UInt32 *pAllocatedBandwidthUnits);
65
66// Get the refcon
67virtual void * GetRefCon(void);
68virtual void SetRefCon(void* refCon);
69
70// Override the base-class release function for special processing
71virtual void release() const;
72
73protected:
74
75/*! @struct ExpansionData
76@discussion This structure will be used to expand the capablilties of the class in the future.
77*/
78struct ExpansionData { };
79
80/*! @var reserved
81Reserved for future use. (Internal use only) */
82ExpansionData *reserved;
83
84// Free the allocation object (and release IRM resources if needed)
85virtual void free( void );
86
87// Controller will call this to notify about bus-reset complete.
88virtual void handleBusReset(UInt32 generation);
89
90virtual void failedToRealloc(void);
91virtual UInt32 getAllocationGeneration(void);
92static void threadFunc( void * arg );
93
94private:
95
96AllocationLostNotificationProc fAllocationLostProc;
97void *fLostProcRefCon;
98Boolean fReleaseIRMResourcesOnFree;
99UInt8 fIsochChannel;
100UInt32 fBandwidthUnits;
101UInt32 fAllocationGeneration;
102IORecursiveLock *fLock ;
103IOFireWireController *fControl;
104Boolean isAllocated;
105
106OSMetaClassDeclareReservedUnused(IOFireWireIRMAllocation, 0);
107OSMetaClassDeclareReservedUnused(IOFireWireIRMAllocation, 1);
108OSMetaClassDeclareReservedUnused(IOFireWireIRMAllocation, 2);
109OSMetaClassDeclareReservedUnused(IOFireWireIRMAllocation, 3);
110OSMetaClassDeclareReservedUnused(IOFireWireIRMAllocation, 4);
111OSMetaClassDeclareReservedUnused(IOFireWireIRMAllocation, 5);
112OSMetaClassDeclareReservedUnused(IOFireWireIRMAllocation, 6);
113OSMetaClassDeclareReservedUnused(IOFireWireIRMAllocation, 7);
114};
115
116#endif // _IOKIT_IOFIREWIREIRMALLOCATION_H
117

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