/* * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1998-2007 Apple 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@ */ #include <IOKit/IOBufferMemoryDescriptor.h> #include "AppleUSBEHCI.h" #include "USBEHCI.h" class AppleEHCIitdMemoryBlock : public OSObject { OSDeclareDefaultStructors(AppleEHCIitdMemoryBlock) #define ITDsPerBlock (kEHCIPageSize / sizeof(EHCIIsochTransferDescriptorShared)) private: IOPhysicalAddress _sharedPhysical; EHCIIsochTransferDescriptorSharedPtr _sharedLogical; AppleEHCIitdMemoryBlock *_nextBlock; IOBufferMemoryDescriptor *_buffer; public: static AppleEHCIitdMemoryBlock *NewMemoryBlock(void); void SetNextBlock(AppleEHCIitdMemoryBlock *next); AppleEHCIitdMemoryBlock *GetNextBlock(void); UInt32 NumTDs(void); IOPhysicalAddress GetPhysicalPtr(UInt32 index); EHCIIsochTransferDescriptorSharedPtr GetLogicalPtr(UInt32 index); };