/* * Copyright (c) 1998-2002 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 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@ */ /* * Copyright (c) 1999-2002 Apple Computer, Inc. All rights reserved. * * IOFWIsochPort is an abstract object that represents hardware on the bus * (locally or remotely) that sends or receives isochronous packets. * Local ports are implemented by the local device driver, * Remote ports are implemented by the driver for the remote device. * * HISTORY * */ #ifndef _IOKIT_IOFWISOCHPORT_H #define _IOKIT_IOFWISOCHPORT_H #include <libkern/c++/OSObject.h> #include <IOKit/firewire/IOFireWireFamilyCommon.h> class IOFWIsochPort : public OSObject { OSDeclareAbstractStructors(IOFWIsochPort) public: // Return maximum speed and channels supported // (bit n set = chan n supported) virtual IOReturn getSupported(IOFWSpeed &maxSpeed, UInt64 &chanSupported) = 0; // Allocate hardware resources for port virtual IOReturn allocatePort(IOFWSpeed speed, UInt32 chan) = 0; virtual IOReturn releasePort() = 0; // Free hardware resources virtual IOReturn start() = 0; // Start port processing packets virtual IOReturn stop() = 0; // Stop processing packets private: OSMetaClassDeclareReservedUnused(IOFWIsochPort, 0); OSMetaClassDeclareReservedUnused(IOFWIsochPort, 1); }; #endif /* ! _IOKIT_IOFWISOCHPORT_H */