/* * Copyright (c) 2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1998-2003 Apple Computer, 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@ */ #ifndef _APPLEEHCIHUBINFO_H #define _APPLEEHCIHUBINFO_H #include "AppleUSBEHCI.h" // this structure is used to monitor the hubs which are attached. there will // be an instance of this structure for every high speed hub with a FS/LS // device attached to it. If the hub is in single TT mode, then there will // just be one instance on port 0. If the hub is in multi-TT mode, then there // will be that instance AND an instance for each active port class AppleUSBEHCIHubInfo : public OSObject { OSDeclareDefaultStructors(AppleUSBEHCIHubInfo) public: static AppleUSBEHCIHubInfo *GetHubInfo(AppleUSBEHCIHubInfo **hubList, USBDeviceAddress hubAddress, int hubPort); static AppleUSBEHCIHubInfo *NewHubInfoZero(AppleUSBEHCIHubInfo **hubList, USBDeviceAddress hubAddress, UInt32 flags); static IOReturn DeleteHubInfoZero(AppleUSBEHCIHubInfo **hubList, USBDeviceAddress hubAddress); UInt32 AvailableInterruptBandwidth(); UInt32 AvailableIsochBandwidth(UInt32 direction); IOReturn AllocateInterruptBandwidth(AppleEHCIQueueHead *pQH, UInt32 maxPacketSize); IOReturn DeallocateInterruptBandwidth(AppleEHCIQueueHead *pQH); IOReturn AllocateIsochBandwidth(AppleEHCIIsochEndpointPtr pEP, UInt32 maxPacketSize); IOReturn DeallocateIsochBandwidth(AppleEHCIIsochEndpointPtr pEP); IOReturn ReallocateIsochBandwidth(AppleEHCIIsochEndpointPtr pEP, UInt32 maxPacketSize); private: AppleUSBEHCIHubInfo *next; UInt32 flags; UInt8 hubAddr; UInt8 hubPort; UInt8 isochOUTUsed[8]; // bytes per microframe of ISOCH out UInt8 isochINUsed[8]; // bytes per microframe of ISOCH in UInt8 interruptUsed[8]; // bytes per microframe of Interrupt static AppleUSBEHCIHubInfo *FindHubInfo(AppleUSBEHCIHubInfo *hubList, USBDeviceAddress hubAddress, int hubPort); static AppleUSBEHCIHubInfo *NewHubInfo(USBDeviceAddress hubAddress, int hubPort); }; enum { kUSBEHCIFlagsMuliTT = 0x0001 }; #endif