os/kernelhwsrv/kernel/eka/include/drivers/usbdi_channel.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/kernelhwsrv/kernel/eka/include/drivers/usbdi_channel.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,70 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of the License "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +/**
    1.20 + @file
    1.21 + @internalComponent
    1.22 +*/
    1.23 +
    1.24 +#ifndef USBDI_CHANNEL_H
    1.25 +#define USBDI_CHANNEL_H
    1.26 +
    1.27 +class DUsbInterface;
    1.28 +class DUsbPageList;
    1.29 +
    1.30 +/**
    1.31 +  Logical Device (factory class) for USBDI
    1.32 +*/
    1.33 +NONSHARABLE_CLASS(DUsbdiFactory) : public DLogicalDevice
    1.34 +	{
    1.35 +public:
    1.36 +	DUsbdiFactory();
    1.37 +	~DUsbdiFactory();
    1.38 +
    1.39 +private:
    1.40 +	//	Inherited from DLogicalDevice
    1.41 +	virtual TInt Install();
    1.42 +	virtual void GetCaps(TDes8& aDes) const;
    1.43 +	virtual TInt Create(DLogicalChannelBase*& aChannel);
    1.44 +	};
    1.45 +	
    1.46 +
    1.47 +NONSHARABLE_CLASS(DUsbdiChannel) : public DLogicalChannelBase
    1.48 +	{
    1.49 +public:
    1.50 +	DUsbdiChannel();
    1.51 +
    1.52 +	TInt DoCreate(TInt aUnit, const TDesC8* aInfo, const TVersion& aVer);
    1.53 +	TInt Request(TInt aReqNo, TAny* a1, TAny* a2);
    1.54 +
    1.55 +	virtual void CloseChannel();
    1.56 +
    1.57 +private:
    1.58 +	~DUsbdiChannel();
    1.59 +	TInt Close();
    1.60 +
    1.61 +	TInt AllocChunk(TInt aRequestSize, TInt* aChunkHandle, TInt* aOffset);
    1.62 +	void CloseChunk();
    1.63 +
    1.64 +	TInt HandleControl(TInt aReqNo, TAny* a1, TAny* a2);
    1.65 +	TInt HandleRequest(TInt aReqNo, TRequestStatus* aReq, TAny* a1, TAny* a2);
    1.66 +	TInt HandleCancel(TUint aCancelMask);
    1.67 +	
    1.68 +private:
    1.69 +	DUsbInterface* iInterface;
    1.70 +	DUsbPageList* iPageList; // Owns the shared chunk
    1.71 +	};
    1.72 +
    1.73 +#endif