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// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// f32test\testusbcldd\src\descriptors.cpp
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// Platform independent USB client controller layer (PIL):
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// USB descriptor handling and management.
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//
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//
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#include "usbcdesc.h"
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#include "dtestusblogdev.h"
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// --- TUsbcDescriptorBase
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TUsbcDescriptorBase::TUsbcDescriptorBase()
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:
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#ifdef USB_SUPPORTS_SET_DESCRIPTOR_REQUEST
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iIndex(0),
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#endif
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iBufPtr(NULL, 0)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorBase::TUsbcDescriptorBase()")));
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}
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TUsbcDescriptorBase::~TUsbcDescriptorBase()
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorBase::~TUsbcDescriptorBase()")));
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}
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void TUsbcDescriptorBase::SetByte(TUint aPosition, TUint8 aValue)
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{
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iBufPtr[aPosition] = aValue;
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}
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void TUsbcDescriptorBase::SetWord(TUint aPosition, TUint16 aValue)
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{
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*reinterpret_cast<TUint16*>(&iBufPtr[aPosition]) = SWAP_BYTES_16(aValue);
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}
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TUint8 TUsbcDescriptorBase::Byte(TUint aPosition) const
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{
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return iBufPtr[aPosition];
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}
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TUint16 TUsbcDescriptorBase::Word(TUint aPosition) const
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{
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return SWAP_BYTES_16(*reinterpret_cast<const TUint16*>(&iBufPtr[aPosition]));
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}
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void TUsbcDescriptorBase::GetDescriptorData(TDes8& aBuffer) const
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{
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aBuffer = iBufPtr;
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}
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TInt TUsbcDescriptorBase::GetDescriptorData(TUint8* aBuffer) const
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{
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__MEMCPY(aBuffer, iBufPtr.Ptr(), Size());
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return Size();
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}
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TInt TUsbcDescriptorBase::GetDescriptorData(TUint8* aBuffer, TInt aMaxSize) const
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{
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if (aMaxSize < Size())
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{
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// No use to copy only half a descriptor
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return 0;
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}
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return GetDescriptorData(aBuffer);
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}
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const TDes8& TUsbcDescriptorBase::DescriptorData() const
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{
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return iBufPtr;
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}
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TDes8& TUsbcDescriptorBase::DescriptorData()
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{
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return iBufPtr;
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}
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TInt TUsbcDescriptorBase::Size() const
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{
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return iBufPtr.Size();
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}
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TUint8 TUsbcDescriptorBase::Type() const
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{
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return iBufPtr[1];
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}
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void TUsbcDescriptorBase::SetBufferPointer(const TDesC8& aDes)
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{
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iBufPtr.Set(const_cast<TUint8*>(aDes.Ptr()), aDes.Size(), aDes.Size());
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}
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// --- TUsbcDeviceDescriptor
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TUsbcDeviceDescriptor::TUsbcDeviceDescriptor()
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: iBuf()
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDeviceDescriptor::TUsbcDeviceDescriptor()")));
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}
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TUsbcDeviceDescriptor* TUsbcDeviceDescriptor::New(TUint8 aDeviceClass, TUint8 aDeviceSubClass,
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TUint8 aDeviceProtocol, TUint8 aMaxPacketSize0,
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TUint16 aVendorId, TUint16 aProductId,
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TUint16 aDeviceRelease, TUint8 aNumConfigurations)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDeviceDescriptor::New()")));
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TUsbcDeviceDescriptor* self = new TUsbcDeviceDescriptor();
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if (self)
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{
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if (self->Construct(aDeviceClass, aDeviceSubClass, aDeviceProtocol, aMaxPacketSize0, aVendorId,
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aProductId, aDeviceRelease, aNumConfigurations) != KErrNone)
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{
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delete self;
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return NULL;
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}
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}
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return self;
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}
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TInt TUsbcDeviceDescriptor::Construct(TUint8 aDeviceClass, TUint8 aDeviceSubClass, TUint8 aDeviceProtocol,
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TUint8 aMaxPacketSize0, TUint16 aVendorId, TUint16 aProductId,
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TUint16 aDeviceRelease, TUint8 aNumConfigurations)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDeviceDescriptor::Construct()")));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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iBuf[0] = (TUint8)iBuf.Size(); // bLength
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iBuf[1] = KUsbDescType_Device; // bDescriptorType
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SetWord(2, KUsbcUsbVersion); // bcdUSB
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iBuf[4] = aDeviceClass; // bDeviceClass
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iBuf[5] = aDeviceSubClass; // bDeviceSubClass
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iBuf[6] = aDeviceProtocol; // bDeviceProtocol
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iBuf[7] = aMaxPacketSize0; // bMaxPacketSize0
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SetWord(8, aVendorId); // idVendor
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SetWord(10, aProductId); // idProduct
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SetWord(12, aDeviceRelease); // bcdDevice
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iBuf[14] = 0; // iManufacturer
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iBuf[15] = 0; // iProduct
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iBuf[16] = 0; // iSerialNumber
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iBuf[17] = aNumConfigurations; // bNumConfigurations
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return KErrNone;
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}
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// --- TUsbcConfigDescriptor
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TUsbcConfigDescriptor::TUsbcConfigDescriptor()
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: iBuf()
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcConfigDescriptor::TUsbcConfigDescriptor()")));
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}
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TUsbcConfigDescriptor* TUsbcConfigDescriptor::New(TUint8 aConfigurationValue, TBool aSelfPowered,
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TBool aRemoteWakeup, TUint8 aMaxPower)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcConfigDescriptor::New()")));
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TUsbcConfigDescriptor* self = new TUsbcConfigDescriptor();
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if (self)
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{
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if (self->Construct(aConfigurationValue, aSelfPowered, aRemoteWakeup, aMaxPower) != KErrNone)
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{
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delete self;
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return NULL;
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}
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}
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return self;
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}
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TInt TUsbcConfigDescriptor::Construct(TUint8 aConfigurationValue, TBool aSelfPowered,
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TBool aRemoteWakeup, TUint8 aMaxPower)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcConfigDescriptor::Construct()")));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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iBuf[0] = (TUint8)iBuf.Size(); // bLength
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iBuf[1] = KUsbDescType_Config; // bDescriptorType
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SetWord(2, KUsbDescSize_Config); // wTotalLength
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iBuf[4] = 0; // bNumInterfaces
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iBuf[5] = aConfigurationValue; // bConfigurationValue
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iBuf[6] = 0; // iConfiguration
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iBuf[7] = (TUint8)(0x80 | (aSelfPowered ? 0x40 : 0) | (aRemoteWakeup ? 0x20 : 0)); // bmAttributes (bit 7 always 1)
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iBuf[8] = (TUint8)(aMaxPower / 2); // MaxPower (2mA units!)
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return KErrNone;
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}
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// --- TUsbcInterfaceDescriptor
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TUsbcInterfaceDescriptor::TUsbcInterfaceDescriptor()
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: iBuf()
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcInterfaceDescriptor::TUsbcInterfaceDescriptor()")));
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}
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TUsbcInterfaceDescriptor* TUsbcInterfaceDescriptor::New(TUint8 aInterfaceNumber, TUint8 aAlternateSetting,
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TInt aNumEndpoints, const TUsbcClassInfo& aClassInfo)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcInterfaceDescriptor::New()")));
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TUsbcInterfaceDescriptor* self = new TUsbcInterfaceDescriptor();
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if (self)
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{
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if (self->Construct(aInterfaceNumber, aAlternateSetting, aNumEndpoints, aClassInfo) != KErrNone)
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{
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delete self;
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return NULL;
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}
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}
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return self;
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}
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TInt TUsbcInterfaceDescriptor::Construct(TUint8 aInterfaceNumber, TUint8 aAlternateSetting,
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TInt aNumEndpoints, const TUsbcClassInfo& aClassInfo)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcInterfaceDescriptor::Construct()")));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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iBuf[0] = (TUint8)iBuf.Size(); // bLength
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iBuf[1] = KUsbDescType_Interface; // bDescriptorType
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iBuf[2] = aInterfaceNumber; // bInterfaceNumber
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iBuf[3] = aAlternateSetting; // bAlternateSetting
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iBuf[4] = (TUint8)aNumEndpoints; // bNumEndpoints
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iBuf[5] = (TUint8)aClassInfo.iClassNum; // bInterfaceClass
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iBuf[6] = (TUint8)aClassInfo.iSubClassNum; // bInterfaceSubClass
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iBuf[7] = (TUint8)aClassInfo.iProtocolNum; // bInterfaceProtocol
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iBuf[8] = 0; // iInterface
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return KErrNone;
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}
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// --- TUsbcEndpointDescriptor
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TUsbcEndpointDescriptor::TUsbcEndpointDescriptor()
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: iBuf()
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcEndpointDescriptor::TUsbcEndpointDescriptor()")));
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}
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TUsbcEndpointDescriptor* TUsbcEndpointDescriptor::New(TUint8 aEndpointAddress,
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const TUsbcEndpointInfo& aEpInfo)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcEndpointDescriptor::New()")));
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TUsbcEndpointDescriptor* self = new TUsbcEndpointDescriptor();
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if (self)
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{
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if (self->Construct(aEndpointAddress, aEpInfo) != KErrNone)
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{
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delete self;
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return NULL;
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}
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}
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return self;
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}
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TInt TUsbcEndpointDescriptor::Construct(TUint8 aEndpointAddress, const TUsbcEndpointInfo& aEpInfo)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcEndpointDescriptor::Construct()")));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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iBuf[0] = (TUint8)iBuf.Size(); // bLength
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iBuf[1] = KUsbDescType_Endpoint; // bDescriptorType
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iBuf[2] = aEndpointAddress; // bEndpointAddress
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iBuf[3] = (TUint8)EpTypeMask2Value(aEpInfo.iType); // bmAttributes
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SetWord(4, (TUint8)aEpInfo.iSize); // wMaxPacketSize
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iBuf[6] = (TUint8)aEpInfo.iInterval; // bInterval
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return KErrNone;
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}
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// --- TUsbcAudioEndpointDescriptor
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TUsbcAudioEndpointDescriptor::TUsbcAudioEndpointDescriptor()
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: iBuf()
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcAudioEndpointDescriptor::TUsbcAudioEndpointDescriptor()")));
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}
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TUsbcAudioEndpointDescriptor* TUsbcAudioEndpointDescriptor::New(TUint8 aEndpointAddress,
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const TUsbcEndpointInfo& aEpInfo)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcAudioEndpointDescriptor::New()")));
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TUsbcAudioEndpointDescriptor* self = new TUsbcAudioEndpointDescriptor();
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if (self)
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{
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if (self->Construct(aEndpointAddress, aEpInfo) != KErrNone)
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{
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delete self;
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return NULL;
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}
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}
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return self;
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}
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TInt TUsbcAudioEndpointDescriptor::Construct(TUint8 aEndpointAddress, const TUsbcEndpointInfo& aEpInfo)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcAudioEndpointDescriptor::Construct()")));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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iBuf[0] = (TUint8)iBuf.Size(); // bLength
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iBuf[1] = KUsbDescType_Endpoint; // bDescriptorType
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iBuf[2] = aEndpointAddress; // bEndpointAddress
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iBuf[3] = (TUint8)EpTypeMask2Value(aEpInfo.iType); // bmAttributes
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SetWord(4, (TUint8)aEpInfo.iSize); // wMaxPacketSize
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iBuf[6] = (TUint8)aEpInfo.iInterval; // bInterval
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iBuf[7] = 0;
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iBuf[8] = 0;
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return KErrNone;
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}
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// --- TUsbcClassSpecificDescriptor
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TUsbcClassSpecificDescriptor::TUsbcClassSpecificDescriptor()
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: iBuf(NULL)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcClassSpecificDescriptor::TUsbcClassSpecificDescriptor()")));
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}
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|
354 |
|
|
|
355 |
TUsbcClassSpecificDescriptor::~TUsbcClassSpecificDescriptor()
|
|
|
356 |
{
|
|
|
357 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcClassSpecificDescriptor::~TUsbcClassSpecificDescriptor()")));
|
|
|
358 |
delete iBuf;
|
|
|
359 |
}
|
|
|
360 |
|
|
|
361 |
|
|
|
362 |
TUsbcClassSpecificDescriptor* TUsbcClassSpecificDescriptor::New(TUint8 aType, TInt aSize)
|
|
|
363 |
{
|
|
|
364 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcClassSpecificDescriptor::New()")));
|
|
|
365 |
TUsbcClassSpecificDescriptor* self = new TUsbcClassSpecificDescriptor();
|
|
|
366 |
if (self)
|
|
|
367 |
{
|
|
|
368 |
if (self->Construct(aType, aSize) != KErrNone)
|
|
|
369 |
{
|
|
|
370 |
delete self;
|
|
|
371 |
return NULL;
|
|
|
372 |
}
|
|
|
373 |
}
|
|
|
374 |
return self;
|
|
|
375 |
}
|
|
|
376 |
|
|
|
377 |
|
|
|
378 |
TInt TUsbcClassSpecificDescriptor::Construct(TUint8 aType, TInt aSize)
|
|
|
379 |
{
|
|
|
380 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcClassSpecificDescriptor::Construct()")));
|
|
|
381 |
__NEWPLATBUF(iBuf, aSize);
|
|
|
382 |
if (!iBuf)
|
|
|
383 |
{
|
|
|
384 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: Allocation of CS desc buffer failed")));
|
|
|
385 |
return KErrNoMemory;
|
|
|
386 |
}
|
|
|
387 |
SetBufferPointer(*iBuf);
|
|
|
388 |
SetByte(1, aType); // bDescriptorType
|
|
|
389 |
return KErrNone;
|
|
|
390 |
}
|
|
|
391 |
|
|
|
392 |
|
|
|
393 |
// --- TUsbcStringDescriptorBase
|
|
|
394 |
|
|
|
395 |
TUsbcStringDescriptorBase::TUsbcStringDescriptorBase()
|
|
|
396 |
: /*iIndex(0),*/ iSBuf(0), iBufPtr(NULL, 0)
|
|
|
397 |
{
|
|
|
398 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcStringDescriptorBase::TUsbcStringDescriptorBase()")));
|
|
|
399 |
}
|
|
|
400 |
|
|
|
401 |
|
|
|
402 |
TUsbcStringDescriptorBase::~TUsbcStringDescriptorBase()
|
|
|
403 |
{
|
|
|
404 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcStringDescriptorBase::~TUsbcStringDescriptorBase()")));
|
|
|
405 |
}
|
|
|
406 |
|
|
|
407 |
|
|
|
408 |
TUint16 TUsbcStringDescriptorBase::Word(TUint aPosition) const
|
|
|
409 |
{
|
|
|
410 |
if (aPosition <= 1)
|
|
|
411 |
{
|
|
|
412 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING("TUsbcStringDescriptorBase::Word: Error: Word(%d) in string descriptor!"), aPosition));
|
|
|
413 |
return 0;
|
|
|
414 |
}
|
|
|
415 |
else
|
|
|
416 |
{
|
|
|
417 |
// since iBufPtr[0] is actually string descriptor byte index 2,
|
|
|
418 |
// we have to subtract 2 from the absolute position.
|
|
|
419 |
return SWAP_BYTES_16(*reinterpret_cast<const TUint16*>(&iBufPtr[aPosition - 2]));
|
|
|
420 |
}
|
|
|
421 |
}
|
|
|
422 |
|
|
|
423 |
|
|
|
424 |
TInt TUsbcStringDescriptorBase::GetDescriptorData(TUint8* aBuffer) const
|
|
|
425 |
{
|
|
|
426 |
aBuffer[0] = iSBuf[0];
|
|
|
427 |
aBuffer[1] = iSBuf[1];
|
|
|
428 |
__MEMCPY(&aBuffer[2], iBufPtr.Ptr(), iBufPtr.Size());
|
|
|
429 |
return Size();
|
|
|
430 |
}
|
|
|
431 |
|
|
|
432 |
|
|
|
433 |
TInt TUsbcStringDescriptorBase::GetDescriptorData(TUint8* aBuffer, TInt aMaxSize) const
|
|
|
434 |
{
|
|
|
435 |
if (aMaxSize < Size())
|
|
|
436 |
{
|
|
|
437 |
// No use to copy only half a string
|
|
|
438 |
return 0;
|
|
|
439 |
}
|
|
|
440 |
return GetDescriptorData(aBuffer);
|
|
|
441 |
}
|
|
|
442 |
|
|
|
443 |
|
|
|
444 |
const TDes8& TUsbcStringDescriptorBase::StringData() const
|
|
|
445 |
{
|
|
|
446 |
return iBufPtr;
|
|
|
447 |
}
|
|
|
448 |
|
|
|
449 |
|
|
|
450 |
TDes8& TUsbcStringDescriptorBase::StringData()
|
|
|
451 |
{
|
|
|
452 |
return iBufPtr;
|
|
|
453 |
}
|
|
|
454 |
|
|
|
455 |
|
|
|
456 |
TInt TUsbcStringDescriptorBase::Size() const
|
|
|
457 |
{
|
|
|
458 |
return iSBuf[0];
|
|
|
459 |
}
|
|
|
460 |
|
|
|
461 |
|
|
|
462 |
void TUsbcStringDescriptorBase::SetBufferPointer(const TDesC8& aDes)
|
|
|
463 |
{
|
|
|
464 |
iBufPtr.Set(const_cast<TUint8*>(aDes.Ptr()), aDes.Size(), aDes.Size());
|
|
|
465 |
}
|
|
|
466 |
|
|
|
467 |
|
|
|
468 |
// --- TUsbcStringDescriptor
|
|
|
469 |
|
|
|
470 |
TUsbcStringDescriptor::TUsbcStringDescriptor()
|
|
|
471 |
: iBuf(NULL)
|
|
|
472 |
{
|
|
|
473 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcStringDescriptor::TUsbcStringDescriptor()")));
|
|
|
474 |
}
|
|
|
475 |
|
|
|
476 |
|
|
|
477 |
TUsbcStringDescriptor::~TUsbcStringDescriptor()
|
|
|
478 |
{
|
|
|
479 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcStringDescriptor::~TUsbcStringDescriptor()")));
|
|
|
480 |
delete iBuf;
|
|
|
481 |
}
|
|
|
482 |
|
|
|
483 |
|
|
|
484 |
TUsbcStringDescriptor* TUsbcStringDescriptor::New(const TDesC8& aString)
|
|
|
485 |
{
|
|
|
486 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcStringDescriptor::New")));
|
|
|
487 |
TUsbcStringDescriptor* self = new TUsbcStringDescriptor();
|
|
|
488 |
if (self)
|
|
|
489 |
{
|
|
|
490 |
if (self->Construct(aString) != KErrNone)
|
|
|
491 |
{
|
|
|
492 |
delete self;
|
|
|
493 |
return NULL;
|
|
|
494 |
}
|
|
|
495 |
}
|
|
|
496 |
return self;
|
|
|
497 |
}
|
|
|
498 |
|
|
|
499 |
|
|
|
500 |
TInt TUsbcStringDescriptor::Construct(const TDesC8& aString)
|
|
|
501 |
{
|
|
|
502 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcStringDescriptor::Construct")));
|
|
|
503 |
__NEWPLATBUF(iBuf, aString.Size());
|
|
|
504 |
if (!iBuf)
|
|
|
505 |
{
|
|
|
506 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: Allocation of string buffer failed")));
|
|
|
507 |
return KErrNoMemory;
|
|
|
508 |
}
|
|
|
509 |
SetBufferPointer(*iBuf);
|
|
|
510 |
iBufPtr.Copy(aString);
|
|
|
511 |
iSBuf.SetMax();
|
|
|
512 |
iSBuf[0] = (TUint8)(iBuf->Size() + 2); // Bytes
|
|
|
513 |
iSBuf[1] = KUsbDescType_String;
|
|
|
514 |
return KErrNone;
|
|
|
515 |
}
|
|
|
516 |
|
|
|
517 |
|
|
|
518 |
// --- TUsbcLangIdDescriptor
|
|
|
519 |
|
|
|
520 |
TUsbcLangIdDescriptor::TUsbcLangIdDescriptor()
|
|
|
521 |
: iBuf(NULL)
|
|
|
522 |
{
|
|
|
523 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcLangIdDescriptor::TUsbcLangIdDescriptor()")));
|
|
|
524 |
}
|
|
|
525 |
|
|
|
526 |
|
|
|
527 |
TUsbcLangIdDescriptor::~TUsbcLangIdDescriptor()
|
|
|
528 |
{
|
|
|
529 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcLangIdDescriptor::~TUsbcLangIdDescriptor()")));
|
|
|
530 |
}
|
|
|
531 |
|
|
|
532 |
|
|
|
533 |
TUsbcLangIdDescriptor* TUsbcLangIdDescriptor::New(TUint16 aLangId)
|
|
|
534 |
{
|
|
|
535 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcLangIdDescriptor::New")));
|
|
|
536 |
TUsbcLangIdDescriptor* self = new TUsbcLangIdDescriptor();
|
|
|
537 |
if (self)
|
|
|
538 |
{
|
|
|
539 |
if (self->Construct(aLangId) != KErrNone)
|
|
|
540 |
{
|
|
|
541 |
delete self;
|
|
|
542 |
return NULL;
|
|
|
543 |
}
|
|
|
544 |
}
|
|
|
545 |
return self;
|
|
|
546 |
}
|
|
|
547 |
|
|
|
548 |
|
|
|
549 |
TInt TUsbcLangIdDescriptor::Construct(TUint16 aLangId)
|
|
|
550 |
{
|
|
|
551 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcLangIdDescriptor::Construct")));
|
|
|
552 |
iBuf.SetMax();
|
|
|
553 |
SetBufferPointer(iBuf);
|
|
|
554 |
iBufPtr[0] = LowByte(SWAP_BYTES_16(aLangId)); // Language ID value
|
|
|
555 |
iBufPtr[1] = HighByte(SWAP_BYTES_16(aLangId));
|
|
|
556 |
iSBuf.SetMax();
|
|
|
557 |
iSBuf[0] = (TUint8)(iBuf.Size() + 2); // Bytes
|
|
|
558 |
iSBuf[1] = KUsbDescType_String;
|
|
|
559 |
return KErrNone;
|
|
|
560 |
}
|
|
|
561 |
|
|
|
562 |
|
|
|
563 |
// --- TUsbcDescriptorPool
|
|
|
564 |
|
|
|
565 |
TUsbcDescriptorPool::TUsbcDescriptorPool(TUint8* aEp0_TxBuf)
|
|
|
566 |
//
|
|
|
567 |
// The constructor for this class.
|
|
|
568 |
//
|
|
|
569 |
: iDescriptors(4), iStrings(4), iIfcIdx(0), iEp0_TxBuf(aEp0_TxBuf) // 4 = granularity
|
|
|
570 |
{
|
|
|
571 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::TUsbcDescriptorPool()")));
|
|
|
572 |
}
|
|
|
573 |
|
|
|
574 |
|
|
|
575 |
TUsbcDescriptorPool::~TUsbcDescriptorPool()
|
|
|
576 |
{
|
|
|
577 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::~TUsbcDescriptorPool()")));
|
|
|
578 |
// The destructor of each <class T> object is called before the objects themselves are destroyed.
|
|
|
579 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" iDescriptors.Count(): %d"), iDescriptors.Count()));
|
|
|
580 |
iDescriptors.ResetAndDestroy();
|
|
|
581 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" iStrings.Count(): %d"), iStrings.Count()));
|
|
|
582 |
iStrings.ResetAndDestroy();
|
|
|
583 |
}
|
|
|
584 |
|
|
|
585 |
|
|
|
586 |
TInt TUsbcDescriptorPool::Init(TUsbcDeviceDescriptor* aDeviceDesc, TUsbcConfigDescriptor* aConfigDesc,
|
|
|
587 |
TUsbcLangIdDescriptor* aLangId, TUsbcStringDescriptor* aManufacturer,
|
|
|
588 |
TUsbcStringDescriptor* aProduct, TUsbcStringDescriptor* aSerialNum,
|
|
|
589 |
TUsbcStringDescriptor* aConfig)
|
|
|
590 |
{
|
|
|
591 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::Init()")));
|
|
|
592 |
iDescriptors.Insert(aDeviceDesc, 0);
|
|
|
593 |
iDescriptors.Insert(aConfigDesc, 1);
|
|
|
594 |
if (!aLangId || !aManufacturer || !aProduct || !aSerialNum || !aConfig)
|
|
|
595 |
{
|
|
|
596 |
// USB spec p. 202 says: "A USB device may omit all string descriptors."
|
|
|
597 |
// So, either ALL string descriptors are supplied or none at all.
|
|
|
598 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: No string descriptor(s)")));
|
|
|
599 |
return KErrArgument;
|
|
|
600 |
}
|
|
|
601 |
iStrings.Insert(aLangId, 0);
|
|
|
602 |
iStrings.Insert(aManufacturer, 1);
|
|
|
603 |
iStrings.Insert(aProduct, 2);
|
|
|
604 |
iStrings.Insert(aSerialNum, 3);
|
|
|
605 |
iStrings.Insert(aConfig, 4);
|
|
|
606 |
// set string indices
|
|
|
607 |
iDescriptors[0]->SetByte(14, 1); // Device.iManufacturer
|
|
|
608 |
iDescriptors[0]->SetByte(15, 2); // Device.iProduct
|
|
|
609 |
iDescriptors[0]->SetByte(16, 3); // Device.iSerialNumber
|
|
|
610 |
iDescriptors[1]->SetByte( 6, 4); // Config.iConfiguration
|
|
|
611 |
return KErrNone;
|
|
|
612 |
}
|
|
|
613 |
|
|
|
614 |
|
|
|
615 |
TInt TUsbcDescriptorPool::FindDescriptor(TUint8 aType, TUint8 aIndex, TUint16 aLangid, TInt& aSize) const
|
|
|
616 |
{
|
|
|
617 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::FindDescriptor()")));
|
|
|
618 |
TInt result = KErrGeneral;
|
|
|
619 |
|
|
|
620 |
switch(aType)
|
|
|
621 |
{
|
|
|
622 |
case KUsbDescType_Device:
|
|
|
623 |
if (aLangid != 0)
|
|
|
624 |
{
|
|
|
625 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: bad langid: 0x%04x"), aLangid));
|
|
|
626 |
result = KErrGeneral; // bad langid
|
|
|
627 |
}
|
|
|
628 |
else if (aIndex > 0)
|
|
|
629 |
{
|
|
|
630 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: bad device index: %d"), aIndex));
|
|
|
631 |
result = KErrGeneral; // we have only one device
|
|
|
632 |
}
|
|
|
633 |
else
|
|
|
634 |
{
|
|
|
635 |
aSize = GetDeviceDescriptor();
|
|
|
636 |
result = KErrNone;
|
|
|
637 |
}
|
|
|
638 |
break;
|
|
|
639 |
case KUsbDescType_Config:
|
|
|
640 |
if (aLangid != 0)
|
|
|
641 |
{
|
|
|
642 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: bad langid: 0x%04x"), aLangid));
|
|
|
643 |
result = KErrGeneral; // bad langid
|
|
|
644 |
}
|
|
|
645 |
else if (aIndex > 0)
|
|
|
646 |
{
|
|
|
647 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: bad config index: %d"), aIndex));
|
|
|
648 |
result = KErrGeneral; // we have only one configuration
|
|
|
649 |
}
|
|
|
650 |
else
|
|
|
651 |
{
|
|
|
652 |
aSize = GetConfigDescriptor();
|
|
|
653 |
result = KErrNone;
|
|
|
654 |
}
|
|
|
655 |
break;
|
|
|
656 |
case KUsbDescType_String:
|
|
|
657 |
if ((aLangid != 0) && // 0 addresses the LangId array
|
|
|
658 |
(aLangid != iStrings[0]->Word(2))) // we have just one (this) language
|
|
|
659 |
{
|
|
|
660 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: bad langid (0x%04x requested, 0x%04x supported)"),
|
|
|
661 |
aLangid, iStrings[0]->Word(2)));
|
|
|
662 |
result = KErrGeneral; // bad langid
|
|
|
663 |
}
|
|
|
664 |
else if (aIndex >= iStrings.Count())
|
|
|
665 |
{
|
|
|
666 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: bad string index: %d"), aIndex));
|
|
|
667 |
result = KErrGeneral;
|
|
|
668 |
}
|
|
|
669 |
else
|
|
|
670 |
{
|
|
|
671 |
aSize = GetStringDescriptor(aIndex);
|
|
|
672 |
result = KErrNone;
|
|
|
673 |
}
|
|
|
674 |
break;
|
|
|
675 |
case KUsbDescType_CS_Interface:
|
|
|
676 |
/* fall through */
|
|
|
677 |
case KUsbDescType_CS_Endpoint:
|
|
|
678 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Warning: finding of class specific descriptors not supported")));
|
|
|
679 |
break;
|
|
|
680 |
default:
|
|
|
681 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: unknown descriptor type requested: %d"), aType));
|
|
|
682 |
result = KErrGeneral;
|
|
|
683 |
break;
|
|
|
684 |
}
|
|
|
685 |
|
|
|
686 |
return result;
|
|
|
687 |
}
|
|
|
688 |
|
|
|
689 |
|
|
|
690 |
void TUsbcDescriptorPool::InsertDescriptor(TUsbcDescriptorBase* aDesc)
|
|
|
691 |
{
|
|
|
692 |
switch (aDesc->Type())
|
|
|
693 |
{
|
|
|
694 |
case KUsbDescType_Device:
|
|
|
695 |
InsertDevDesc(aDesc);
|
|
|
696 |
break;
|
|
|
697 |
case KUsbDescType_Config:
|
|
|
698 |
InsertConfigDesc(aDesc);
|
|
|
699 |
break;
|
|
|
700 |
case KUsbDescType_Interface:
|
|
|
701 |
InsertIfcDesc(aDesc);
|
|
|
702 |
break;
|
|
|
703 |
case KUsbDescType_Endpoint:
|
|
|
704 |
InsertEpDesc(aDesc);
|
|
|
705 |
break;
|
|
|
706 |
case KUsbDescType_CS_Interface:
|
|
|
707 |
/* fall through */
|
|
|
708 |
case KUsbDescType_CS_Endpoint:
|
|
|
709 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Warning: inserting class specific descriptors not supported")));
|
|
|
710 |
break;
|
|
|
711 |
default:
|
|
|
712 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::InsertDescriptor: Error: invalid type")));
|
|
|
713 |
break;
|
|
|
714 |
}
|
|
|
715 |
}
|
|
|
716 |
|
|
|
717 |
|
|
|
718 |
void TUsbcDescriptorPool::SetIfcStringDescriptor(TUsbcStringDescriptor* aDesc, TInt aNumber, TInt aSetting)
|
|
|
719 |
{
|
|
|
720 |
TInt i = FindIfcDescriptor(aNumber, aSetting);
|
|
|
721 |
if (i < 0)
|
|
|
722 |
{
|
|
|
723 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::SetIfcStringDescriptor: error")));
|
|
|
724 |
return;
|
|
|
725 |
}
|
|
|
726 |
// Set (append) string descriptor for specified interface
|
|
|
727 |
iStrings.Append(aDesc);
|
|
|
728 |
// Update this ifc descriptors' string index field
|
|
|
729 |
const TInt str_idx = iStrings.Count() - 1;
|
|
|
730 |
iDescriptors[i]->SetByte(8, (TUint8)str_idx);
|
|
|
731 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" String for ifc %d/%d (@ pos %d): \"%S\""), aNumber, aSetting, str_idx,
|
|
|
732 |
&iStrings[str_idx]->StringData()));
|
|
|
733 |
}
|
|
|
734 |
|
|
|
735 |
|
|
|
736 |
void TUsbcDescriptorPool::DeleteIfcDescriptor(TInt aNumber, TInt aSetting)
|
|
|
737 |
{
|
|
|
738 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::DeleteIfcDescriptor(%d, %d)"), aNumber, aSetting));
|
|
|
739 |
TInt i = FindIfcDescriptor(aNumber, aSetting);
|
|
|
740 |
if (i < 0)
|
|
|
741 |
{
|
|
|
742 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" > Error: descriptor not found")));
|
|
|
743 |
return;
|
|
|
744 |
}
|
|
|
745 |
// Delete (if necessary) specified interface's string descriptor
|
|
|
746 |
TInt si = iDescriptors[i]->Byte(8);
|
|
|
747 |
if (si != 0)
|
|
|
748 |
{
|
|
|
749 |
DeleteString(si);
|
|
|
750 |
}
|
|
|
751 |
// Delete specified ifc setting + all its cs descriptors + all its endpoints + all their cs descriptors:
|
|
|
752 |
// find position of the next interface descriptor: we need to delete everything in between
|
|
|
753 |
const TInt count = iDescriptors.Count();
|
|
|
754 |
TInt j = i, n = 1;
|
|
|
755 |
while (++j < count && iDescriptors[j]->Type() != KUsbDescType_Interface)
|
|
|
756 |
++n;
|
|
|
757 |
DeleteDescriptors(i, n);
|
|
|
758 |
// Update all the following interfaces' bInterfaceNumber field if required
|
|
|
759 |
// (because these descriptors might have moved down by one position)
|
|
|
760 |
UpdateIfcNumbers(aNumber);
|
|
|
761 |
// Update (if necessary) all interfaces' string index field
|
|
|
762 |
if (si != 0)
|
|
|
763 |
{
|
|
|
764 |
UpdateIfcStringIndexes(si);
|
|
|
765 |
}
|
|
|
766 |
iIfcIdx = 0; // ifc index no longer valid
|
|
|
767 |
}
|
|
|
768 |
|
|
|
769 |
|
|
|
770 |
// The TC in many of the following functions stands for 'ThreadCopy',
|
|
|
771 |
// because that's what's happening there.
|
|
|
772 |
|
|
|
773 |
TInt TUsbcDescriptorPool::GetDeviceDescriptorTC(DThread* aThread, TDes8& aBuffer) const
|
|
|
774 |
{
|
|
|
775 |
return __THREADWRITE(aThread, &aBuffer, iDescriptors[0]->DescriptorData());
|
|
|
776 |
}
|
|
|
777 |
|
|
|
778 |
|
|
|
779 |
TInt TUsbcDescriptorPool::SetDeviceDescriptorTC(DThread* aThread, const TDes8& aBuffer)
|
|
|
780 |
{
|
|
|
781 |
TBuf8<KUsbDescSize_Device> device;
|
|
|
782 |
TInt r = __THREADREAD(aThread, &aBuffer, device);
|
|
|
783 |
if (r != KErrNone)
|
|
|
784 |
{
|
|
|
785 |
return r;
|
|
|
786 |
}
|
|
|
787 |
iDescriptors[0]->SetByte(2, device[2]); // bcdUSB
|
|
|
788 |
iDescriptors[0]->SetByte(3, device[3]); // bcdUSB (part II)
|
|
|
789 |
iDescriptors[0]->SetByte(4, device[4]); // bDeviceClass
|
|
|
790 |
iDescriptors[0]->SetByte(5, device[5]); // bDeviceSubClass
|
|
|
791 |
iDescriptors[0]->SetByte(6, device[6]); // bDeviceProtocol
|
|
|
792 |
iDescriptors[0]->SetByte(8, device[8]); // idVendor
|
|
|
793 |
iDescriptors[0]->SetByte(9, device[9]); // idVendor (part II)
|
|
|
794 |
iDescriptors[0]->SetByte(10, device[10]); // idProduct
|
|
|
795 |
iDescriptors[0]->SetByte(11, device[11]); // idProduct (part II)
|
|
|
796 |
iDescriptors[0]->SetByte(12, device[12]); // bcdDevice
|
|
|
797 |
iDescriptors[0]->SetByte(13, device[13]); // bcdDevice (part II)
|
|
|
798 |
return KErrNone;
|
|
|
799 |
}
|
|
|
800 |
|
|
|
801 |
|
|
|
802 |
TInt TUsbcDescriptorPool::GetConfigurationDescriptorTC(DThread* aThread, TDes8& aBuffer) const
|
|
|
803 |
{
|
|
|
804 |
return __THREADWRITE(aThread, &aBuffer, iDescriptors[1]->DescriptorData());
|
|
|
805 |
}
|
|
|
806 |
|
|
|
807 |
|
|
|
808 |
TInt TUsbcDescriptorPool::SetConfigurationDescriptorTC(DThread* aThread, const TDes8& aBuffer)
|
|
|
809 |
{
|
|
|
810 |
TBuf8<KUsbDescSize_Config> config;
|
|
|
811 |
TInt r = __THREADREAD(aThread, &aBuffer, config);
|
|
|
812 |
if (r != KErrNone)
|
|
|
813 |
{
|
|
|
814 |
return r;
|
|
|
815 |
}
|
|
|
816 |
iDescriptors[1]->SetByte(7, config[7]); // bmAttributes
|
|
|
817 |
iDescriptors[1]->SetByte(8, config[8]); // bMaxPower
|
|
|
818 |
return KErrNone;
|
|
|
819 |
}
|
|
|
820 |
|
|
|
821 |
|
|
|
822 |
TInt TUsbcDescriptorPool::GetInterfaceDescriptorTC(DThread* aThread, TDes8& aBuffer,
|
|
|
823 |
TInt aInterface, TInt aSetting) const
|
|
|
824 |
{
|
|
|
825 |
TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
826 |
if (i < 0)
|
|
|
827 |
{
|
|
|
828 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such interface")));
|
|
|
829 |
return KErrNotFound;
|
|
|
830 |
}
|
|
|
831 |
return __THREADWRITE(aThread, &aBuffer, iDescriptors[i]->DescriptorData());
|
|
|
832 |
}
|
|
|
833 |
|
|
|
834 |
|
|
|
835 |
TInt TUsbcDescriptorPool::SetInterfaceDescriptor(const TDes8& aBuffer, TInt aInterface, TInt aSetting)
|
|
|
836 |
{
|
|
|
837 |
TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
838 |
if (i < 0)
|
|
|
839 |
{
|
|
|
840 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such interface")));
|
|
|
841 |
return KErrNotFound;
|
|
|
842 |
}
|
|
|
843 |
iDescriptors[i]->SetByte(2, aBuffer[2]); // bInterfaceNumber
|
|
|
844 |
iDescriptors[i]->SetByte(5, aBuffer[5]); // bInterfaceClass
|
|
|
845 |
iDescriptors[i]->SetByte(6, aBuffer[6]); // bInterfaceSubClass
|
|
|
846 |
iDescriptors[i]->SetByte(7, aBuffer[7]); // bInterfaceProtocol
|
|
|
847 |
return KErrNone;
|
|
|
848 |
}
|
|
|
849 |
|
|
|
850 |
|
|
|
851 |
TInt TUsbcDescriptorPool::GetEndpointDescriptorTC(DThread* aThread, TDes8& aBuffer,
|
|
|
852 |
TInt aInterface, TInt aSetting, TUint8 aEndpointAddress) const
|
|
|
853 |
{
|
|
|
854 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
855 |
if (i < 0)
|
|
|
856 |
{
|
|
|
857 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such endpoint")));
|
|
|
858 |
return KErrNotFound;
|
|
|
859 |
}
|
|
|
860 |
return __THREADWRITE(aThread, &aBuffer, iDescriptors[i]->DescriptorData());
|
|
|
861 |
}
|
|
|
862 |
|
|
|
863 |
|
|
|
864 |
TInt TUsbcDescriptorPool::SetEndpointDescriptorTC(DThread* aThread, const TDes8& aBuffer,
|
|
|
865 |
TInt aInterface, TInt aSetting, TUint8 aEndpointAddress)
|
|
|
866 |
{
|
|
|
867 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
868 |
if (i < 0)
|
|
|
869 |
{
|
|
|
870 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such endpoint")));
|
|
|
871 |
return KErrNotFound;
|
|
|
872 |
}
|
|
|
873 |
TBuf8<KUsbDescSize_AudioEndpoint> ep; // it could be an audio endpoint
|
|
|
874 |
TInt r = __THREADREAD(aThread, &aBuffer, ep);
|
|
|
875 |
if (r != KErrNone)
|
|
|
876 |
{
|
|
|
877 |
return r;
|
|
|
878 |
}
|
|
|
879 |
iDescriptors[i]->SetByte(3, ep[3]); // bmAttributes
|
|
|
880 |
iDescriptors[i]->SetByte(6, ep[6]); // bInterval
|
|
|
881 |
if (static_cast<TUint>(iDescriptors[i]->Size()) == KUsbDescSize_AudioEndpoint)
|
|
|
882 |
{
|
|
|
883 |
iDescriptors[i]->SetByte(7, ep[7]); // bRefresh
|
|
|
884 |
iDescriptors[i]->SetByte(8, ep[8]); // bSynchAddress
|
|
|
885 |
}
|
|
|
886 |
return KErrNone;
|
|
|
887 |
}
|
|
|
888 |
|
|
|
889 |
|
|
|
890 |
TInt TUsbcDescriptorPool::GetEndpointDescriptorSize(TInt aInterface, TInt aSetting, TUint8 aEndpointAddress,
|
|
|
891 |
TInt& aSize) const
|
|
|
892 |
{
|
|
|
893 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
894 |
if (i < 0)
|
|
|
895 |
{
|
|
|
896 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such endpoint")));
|
|
|
897 |
return KErrNotFound;
|
|
|
898 |
}
|
|
|
899 |
aSize = iDescriptors[i]->Size();
|
|
|
900 |
return KErrNone;
|
|
|
901 |
}
|
|
|
902 |
|
|
|
903 |
|
|
|
904 |
TInt TUsbcDescriptorPool::GetCSInterfaceDescriptorTC(DThread* aThread, TDes8& aBuffer,
|
|
|
905 |
TInt aInterface, TInt aSetting) const
|
|
|
906 |
{
|
|
|
907 |
// first find the interface
|
|
|
908 |
TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
909 |
if (i < 0)
|
|
|
910 |
{
|
|
|
911 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such interface")));
|
|
|
912 |
return KErrNotFound;
|
|
|
913 |
}
|
|
|
914 |
TInt r = KErrNotFound;
|
|
|
915 |
TInt offset = 0;
|
|
|
916 |
const TInt count = iDescriptors.Count();
|
|
|
917 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Interface)
|
|
|
918 |
{
|
|
|
919 |
r = __THREADWRITEOFFSET(aThread, &aBuffer, iDescriptors[i]->DescriptorData(), offset);
|
|
|
920 |
if (r != KErrNone)
|
|
|
921 |
break;
|
|
|
922 |
offset += iDescriptors[i]->Size();
|
|
|
923 |
}
|
|
|
924 |
return r;
|
|
|
925 |
}
|
|
|
926 |
|
|
|
927 |
|
|
|
928 |
TInt TUsbcDescriptorPool::SetCSInterfaceDescriptorTC(DThread* aThread, const TDes8& aBuffer,
|
|
|
929 |
TInt aInterface, TInt aSetting, TInt aSize)
|
|
|
930 |
{
|
|
|
931 |
// first find the interface
|
|
|
932 |
TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
933 |
if (i < 0)
|
|
|
934 |
{
|
|
|
935 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such interface")));
|
|
|
936 |
return KErrNotFound;
|
|
|
937 |
}
|
|
|
938 |
// find a position where to insert the new class specific interface descriptor(s)
|
|
|
939 |
const TInt count = iDescriptors.Count();
|
|
|
940 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Interface)
|
|
|
941 |
;
|
|
|
942 |
// create a new cs descriptor
|
|
|
943 |
TUsbcClassSpecificDescriptor* desc = TUsbcClassSpecificDescriptor::New(KUsbDescType_CS_Interface, aSize);
|
|
|
944 |
if (!desc)
|
|
|
945 |
{
|
|
|
946 |
return KErrNoMemory;
|
|
|
947 |
}
|
|
|
948 |
iDescriptors.Insert(desc, i);
|
|
|
949 |
if (iDescriptors[1])
|
|
|
950 |
{
|
|
|
951 |
// if there's a config descriptor (and not a NULL pointer), we update its wTotalLength field
|
|
|
952 |
iDescriptors[1]->SetWord(2, (TUint8)(iDescriptors[1]->Word(2) + aSize));
|
|
|
953 |
}
|
|
|
954 |
// copy contents from user side
|
|
|
955 |
return __THREADREAD(aThread, &aBuffer, iDescriptors[i]->DescriptorData());
|
|
|
956 |
}
|
|
|
957 |
|
|
|
958 |
|
|
|
959 |
TInt TUsbcDescriptorPool::GetCSInterfaceDescriptorSize(TInt aInterface, TInt aSetting, TInt& aSize) const
|
|
|
960 |
{
|
|
|
961 |
// first find the interface
|
|
|
962 |
TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
963 |
if (i < 0)
|
|
|
964 |
{
|
|
|
965 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such interface")));
|
|
|
966 |
return KErrNotFound;
|
|
|
967 |
}
|
|
|
968 |
TInt r = KErrNotFound;
|
|
|
969 |
TInt size = 0;
|
|
|
970 |
const TInt count = iDescriptors.Count();
|
|
|
971 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Interface)
|
|
|
972 |
{
|
|
|
973 |
size += iDescriptors[i]->Size();
|
|
|
974 |
r = KErrNone;
|
|
|
975 |
}
|
|
|
976 |
if (r == KErrNone)
|
|
|
977 |
aSize = size;
|
|
|
978 |
return r;
|
|
|
979 |
}
|
|
|
980 |
|
|
|
981 |
|
|
|
982 |
TInt TUsbcDescriptorPool::GetCSEndpointDescriptorTC(DThread* aThread, TDes8& aBuffer, TInt aInterface,
|
|
|
983 |
TInt aSetting, TUint8 aEndpointAddress) const
|
|
|
984 |
{
|
|
|
985 |
// first find the endpoint
|
|
|
986 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
987 |
if (i < 0)
|
|
|
988 |
{
|
|
|
989 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such endpoint")));
|
|
|
990 |
return KErrNotFound;
|
|
|
991 |
}
|
|
|
992 |
TInt r = KErrNotFound;
|
|
|
993 |
TInt offset = 0;
|
|
|
994 |
const TInt count = iDescriptors.Count();
|
|
|
995 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Endpoint)
|
|
|
996 |
{
|
|
|
997 |
__THREADWRITEOFFSET(aThread, &aBuffer, iDescriptors[i]->DescriptorData(), offset);
|
|
|
998 |
if (r != KErrNone)
|
|
|
999 |
break;
|
|
|
1000 |
offset += iDescriptors[i]->Size();
|
|
|
1001 |
}
|
|
|
1002 |
return r;
|
|
|
1003 |
}
|
|
|
1004 |
|
|
|
1005 |
|
|
|
1006 |
TInt TUsbcDescriptorPool::SetCSEndpointDescriptorTC(DThread* aThread, const TDes8& aBuffer, TInt aInterface,
|
|
|
1007 |
TInt aSetting, TUint8 aEndpointAddress, TInt aSize)
|
|
|
1008 |
{
|
|
|
1009 |
// first find the endpoint
|
|
|
1010 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
1011 |
if (i < 0)
|
|
|
1012 |
{
|
|
|
1013 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such endpoint")));
|
|
|
1014 |
return KErrNotFound;
|
|
|
1015 |
}
|
|
|
1016 |
// find a position where to insert the new class specific endpoint descriptor(s)
|
|
|
1017 |
const TInt count = iDescriptors.Count();
|
|
|
1018 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Endpoint)
|
|
|
1019 |
;
|
|
|
1020 |
// create a new cs descriptor
|
|
|
1021 |
TUsbcClassSpecificDescriptor* desc = TUsbcClassSpecificDescriptor::New(KUsbDescType_CS_Endpoint, aSize);
|
|
|
1022 |
if (!desc)
|
|
|
1023 |
{
|
|
|
1024 |
return KErrNoMemory;
|
|
|
1025 |
}
|
|
|
1026 |
iDescriptors.Insert(desc, i);
|
|
|
1027 |
if (iDescriptors[1])
|
|
|
1028 |
{
|
|
|
1029 |
// if there's a config descriptor (and not a NULL pointer), we update its wTotalLength field
|
|
|
1030 |
iDescriptors[1]->SetWord(2, (TUint8)(iDescriptors[1]->Word(2) + aSize));
|
|
|
1031 |
}
|
|
|
1032 |
// copy contents from user side
|
|
|
1033 |
return __THREADREAD(aThread, &aBuffer, iDescriptors[i]->DescriptorData());
|
|
|
1034 |
}
|
|
|
1035 |
|
|
|
1036 |
|
|
|
1037 |
TInt TUsbcDescriptorPool::GetCSEndpointDescriptorSize(TInt aInterface, TInt aSetting,
|
|
|
1038 |
TUint8 aEndpointAddress, TInt& aSize) const
|
|
|
1039 |
{
|
|
|
1040 |
// first find the endpoint
|
|
|
1041 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
1042 |
if (i < 0)
|
|
|
1043 |
{
|
|
|
1044 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such endpoint")));
|
|
|
1045 |
return KErrNotFound;
|
|
|
1046 |
}
|
|
|
1047 |
TInt r = KErrNotFound;
|
|
|
1048 |
TInt size = 0;
|
|
|
1049 |
const TInt count = iDescriptors.Count();
|
|
|
1050 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Endpoint)
|
|
|
1051 |
{
|
|
|
1052 |
size += iDescriptors[i]->Size();
|
|
|
1053 |
r = KErrNone;
|
|
|
1054 |
}
|
|
|
1055 |
if (r == KErrNone)
|
|
|
1056 |
aSize = size;
|
|
|
1057 |
return r;
|
|
|
1058 |
}
|
|
|
1059 |
|
|
|
1060 |
|
|
|
1061 |
TInt TUsbcDescriptorPool::GetManufacturerStringDescriptorTC(DThread* aThread, TDes8& aString) const
|
|
|
1062 |
{
|
|
|
1063 |
return GetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Manufact);
|
|
|
1064 |
}
|
|
|
1065 |
|
|
|
1066 |
|
|
|
1067 |
TInt TUsbcDescriptorPool::SetManufacturerStringDescriptorTC(DThread* aThread, const TDes8& aString)
|
|
|
1068 |
{
|
|
|
1069 |
return SetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Manufact);
|
|
|
1070 |
}
|
|
|
1071 |
|
|
|
1072 |
|
|
|
1073 |
TInt TUsbcDescriptorPool::GetProductStringDescriptorTC(DThread* aThread, TDes8& aString) const
|
|
|
1074 |
{
|
|
|
1075 |
return GetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Product);
|
|
|
1076 |
}
|
|
|
1077 |
|
|
|
1078 |
|
|
|
1079 |
TInt TUsbcDescriptorPool::SetProductStringDescriptorTC(DThread* aThread, const TDes8& aString)
|
|
|
1080 |
{
|
|
|
1081 |
return SetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Product);
|
|
|
1082 |
}
|
|
|
1083 |
|
|
|
1084 |
|
|
|
1085 |
TInt TUsbcDescriptorPool::GetSerialNumberStringDescriptorTC(DThread* aThread, TDes8& aString) const
|
|
|
1086 |
{
|
|
|
1087 |
return GetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Serial);
|
|
|
1088 |
}
|
|
|
1089 |
|
|
|
1090 |
|
|
|
1091 |
TInt TUsbcDescriptorPool::SetSerialNumberStringDescriptorTC(DThread* aThread, const TDes8& aString)
|
|
|
1092 |
{
|
|
|
1093 |
return SetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Serial);
|
|
|
1094 |
}
|
|
|
1095 |
|
|
|
1096 |
|
|
|
1097 |
TInt TUsbcDescriptorPool::GetConfigurationStringDescriptorTC(DThread* aThread, TDes8& aString) const
|
|
|
1098 |
{
|
|
|
1099 |
TBuf8<KUsbDescSize_Config> config_desc;
|
|
|
1100 |
iDescriptors[1]->GetDescriptorData(config_desc);
|
|
|
1101 |
const TInt str_idx = config_desc[KUsbDescStringIndex_Config];
|
|
|
1102 |
if ((str_idx > 0) && iStrings[str_idx])
|
|
|
1103 |
{
|
|
|
1104 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" String @ pos %d (conf $): \"%S\""),
|
|
|
1105 |
str_idx, &iStrings[str_idx]->StringData()));
|
|
|
1106 |
return __THREADWRITE(aThread, &aString, iStrings[str_idx]->StringData());
|
|
|
1107 |
}
|
|
|
1108 |
else
|
|
|
1109 |
{
|
|
|
1110 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no string descriptor @ pos %d!"), str_idx));
|
|
|
1111 |
return KErrNotFound;
|
|
|
1112 |
}
|
|
|
1113 |
}
|
|
|
1114 |
|
|
|
1115 |
|
|
|
1116 |
TInt TUsbcDescriptorPool::SetConfigurationStringDescriptorTC(DThread* aThread, const TDes8& aString)
|
|
|
1117 |
{
|
|
|
1118 |
// we don't know the length of the string, so we have to allocate memory dynamically
|
|
|
1119 |
TUint strlen = __THREADDESLEN(aThread, &aString);
|
|
|
1120 |
if (strlen > KUsbStringDescStringMaxSize)
|
|
|
1121 |
{
|
|
|
1122 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Warning: $ descriptor too long - string will be truncated")));
|
|
|
1123 |
strlen = KUsbStringDescStringMaxSize;
|
|
|
1124 |
}
|
|
|
1125 |
|
|
|
1126 |
HBuf8Plat* strbuf = NULL;
|
|
|
1127 |
__NEWPLATBUF(strbuf, strlen);
|
|
|
1128 |
if (!strbuf)
|
|
|
1129 |
{
|
|
|
1130 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: Memory allocation for config $ desc string failed (1)")));
|
|
|
1131 |
return KErrNoMemory;
|
|
|
1132 |
}
|
|
|
1133 |
|
|
|
1134 |
TInt r;
|
|
|
1135 |
__THREADREADPLATBUF(aThread, &aString, strbuf, r);
|
|
|
1136 |
if (r != KErrNone)
|
|
|
1137 |
{
|
|
|
1138 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: Thread read error")));
|
|
|
1139 |
delete strbuf;
|
|
|
1140 |
return r;
|
|
|
1141 |
}
|
|
|
1142 |
TUsbcStringDescriptor* sd = TUsbcStringDescriptor::New(*strbuf);
|
|
|
1143 |
if (!sd)
|
|
|
1144 |
{
|
|
|
1145 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: Memory allocation for config $ desc failed (2)")));
|
|
|
1146 |
delete strbuf;
|
|
|
1147 |
return KErrNoMemory;
|
|
|
1148 |
}
|
|
|
1149 |
TBuf8<KUsbDescSize_Config> config_desc;
|
|
|
1150 |
config_desc.FillZ(config_desc.MaxLength());
|
|
|
1151 |
iDescriptors[1]->GetDescriptorData(config_desc);
|
|
|
1152 |
ExchangeStringDescriptor(config_desc[KUsbDescStringIndex_Config], sd);
|
|
|
1153 |
delete strbuf;
|
|
|
1154 |
return r;
|
|
|
1155 |
}
|
|
|
1156 |
|
|
|
1157 |
|
|
|
1158 |
// --- private ---
|
|
|
1159 |
|
|
|
1160 |
void TUsbcDescriptorPool::InsertDevDesc(TUsbcDescriptorBase* aDesc)
|
|
|
1161 |
{
|
|
|
1162 |
TInt count = iDescriptors.Count();
|
|
|
1163 |
if (count > 0)
|
|
|
1164 |
{
|
|
|
1165 |
DeleteDescriptors(0); // if there's already something at pos. 0, delete it
|
|
|
1166 |
}
|
|
|
1167 |
iDescriptors.Insert(aDesc, 0); // in any case: put the new descriptor at position 0
|
|
|
1168 |
}
|
|
|
1169 |
|
|
|
1170 |
|
|
|
1171 |
void TUsbcDescriptorPool::InsertConfigDesc(TUsbcDescriptorBase* aDesc)
|
|
|
1172 |
{
|
|
|
1173 |
TInt count = iDescriptors.Count();
|
|
|
1174 |
if (count == 0)
|
|
|
1175 |
{
|
|
|
1176 |
TUsbcDescriptorBase* const iNullDesc = NULL;
|
|
|
1177 |
iDescriptors.Append(iNullDesc); // if array's empty, put a dummy in position 0
|
|
|
1178 |
}
|
|
|
1179 |
else if (count > 1)
|
|
|
1180 |
{
|
|
|
1181 |
DeleteDescriptors(1); // if there's already something at pos. 1, delete it
|
|
|
1182 |
}
|
|
|
1183 |
iDescriptors.Insert(aDesc, 1); // in any case: put the new descriptor at position 1
|
|
|
1184 |
// Currently this code assumes, that the config descriptor is inserted _before_ any interface
|
|
|
1185 |
// or endpoint descriptors!
|
|
|
1186 |
if (iDescriptors.Count() != 2)
|
|
|
1187 |
{
|
|
|
1188 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING("TUsbcDescriptorPool::InsertConfigDesc: config descriptor will be invalid!")));
|
|
|
1189 |
}
|
|
|
1190 |
}
|
|
|
1191 |
|
|
|
1192 |
|
|
|
1193 |
void TUsbcDescriptorPool::InsertIfcDesc(TUsbcDescriptorBase* aDesc)
|
|
|
1194 |
{
|
|
|
1195 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::InsertIfcDesc()")));
|
|
|
1196 |
TInt count = iDescriptors.Count();
|
|
|
1197 |
if (count < 2)
|
|
|
1198 |
{
|
|
|
1199 |
TUsbcDescriptorBase* const iNullDesc = NULL;
|
|
|
1200 |
iDescriptors.Append(iNullDesc); // if array's too small, put some dummies in
|
|
|
1201 |
iDescriptors.Append(iNullDesc);
|
|
|
1202 |
}
|
|
|
1203 |
TBool interface_exists = EFalse; // set to 'true' if we're adding an alternate
|
|
|
1204 |
// setting to an already existing interface
|
|
|
1205 |
TInt i = 2;
|
|
|
1206 |
while (i < count)
|
|
|
1207 |
{
|
|
|
1208 |
if (iDescriptors[i]->Type() == KUsbDescType_Interface)
|
|
|
1209 |
{
|
|
|
1210 |
if (iDescriptors[i]->Byte(2) > aDesc->Byte(2))
|
|
|
1211 |
{
|
|
|
1212 |
// our interface number is less than the one's just found => insert before it (= here)
|
|
|
1213 |
break;
|
|
|
1214 |
}
|
|
|
1215 |
else if (iDescriptors[i]->Byte(2) == aDesc->Byte(2))
|
|
|
1216 |
{
|
|
|
1217 |
interface_exists = ETrue;
|
|
|
1218 |
// same interface number => look at settings number
|
|
|
1219 |
if (iDescriptors[i]->Byte(3) > aDesc->Byte(3))
|
|
|
1220 |
{
|
|
|
1221 |
// our setting number is less than the one's found => insert before (= here)
|
|
|
1222 |
break;
|
|
|
1223 |
}
|
|
|
1224 |
else if (iDescriptors[i]->Byte(3) == aDesc->Byte(3))
|
|
|
1225 |
{
|
|
|
1226 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING("TUsbcDescriptorPool::InsertIfcDesc: error: first delete old one!")));
|
|
|
1227 |
return;
|
|
|
1228 |
}
|
|
|
1229 |
}
|
|
|
1230 |
}
|
|
|
1231 |
++i;
|
|
|
1232 |
}
|
|
|
1233 |
iDescriptors.Insert(aDesc, i); // in any case: put the new descriptor at position i
|
|
|
1234 |
if (iDescriptors[1])
|
|
|
1235 |
{
|
|
|
1236 |
// if there's a config descriptor (and not a NULL pointer), update its wTotalLength field...
|
|
|
1237 |
iDescriptors[1]->SetWord(2, (TUint8)(iDescriptors[1]->Word(2) + KUsbDescSize_Interface));
|
|
|
1238 |
// and increment bNumInterfaces if this is the first setting for the interface
|
|
|
1239 |
if (!interface_exists)
|
|
|
1240 |
iDescriptors[1]->SetByte(4, (TUint8)(iDescriptors[1]->Byte(4) + 1));
|
|
|
1241 |
}
|
|
|
1242 |
iIfcIdx = i;
|
|
|
1243 |
}
|
|
|
1244 |
|
|
|
1245 |
|
|
|
1246 |
void TUsbcDescriptorPool::InsertEpDesc(TUsbcDescriptorBase* aDesc)
|
|
|
1247 |
{
|
|
|
1248 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::InsertEpDesc()")));
|
|
|
1249 |
if (iIfcIdx == 0)
|
|
|
1250 |
{
|
|
|
1251 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING("TUsbcDescriptorPool::InsertEpDesc: error: only after interface")));
|
|
|
1252 |
return;
|
|
|
1253 |
}
|
|
|
1254 |
TInt count = iDescriptors.Count();
|
|
|
1255 |
TInt i = iIfcIdx + 1;
|
|
|
1256 |
while (i < count)
|
|
|
1257 |
{
|
|
|
1258 |
if (iDescriptors[i]->Type() != KUsbDescType_Endpoint)
|
|
|
1259 |
break;
|
|
|
1260 |
++i;
|
|
|
1261 |
}
|
|
|
1262 |
iDescriptors.Insert(aDesc, i); // put the new descriptor at position i
|
|
|
1263 |
if (iDescriptors[1])
|
|
|
1264 |
{
|
|
|
1265 |
// if there's a config descriptor (and not a NULL pointer), update its wTotalLength field
|
|
|
1266 |
iDescriptors[1]->SetWord(2, (TUint8)(iDescriptors[1]->Word(2) + aDesc->Size()));
|
|
|
1267 |
}
|
|
|
1268 |
}
|
|
|
1269 |
|
|
|
1270 |
|
|
|
1271 |
TInt TUsbcDescriptorPool::FindIfcDescriptor(TInt aIfcNumber, TInt aIfcSetting) const
|
|
|
1272 |
{
|
|
|
1273 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::FindIfcDescriptor(%d, %d)"),
|
|
|
1274 |
aIfcNumber, aIfcSetting));
|
|
|
1275 |
TInt count = iDescriptors.Count();
|
|
|
1276 |
for (TInt i = 2; i < count; ++i)
|
|
|
1277 |
{
|
|
|
1278 |
if ((iDescriptors[i]->Type() == KUsbDescType_Interface) &&
|
|
|
1279 |
(iDescriptors[i]->Byte(2) == aIfcNumber) &&
|
|
|
1280 |
(iDescriptors[i]->Byte(3) == aIfcSetting))
|
|
|
1281 |
{
|
|
|
1282 |
return i;
|
|
|
1283 |
}
|
|
|
1284 |
}
|
|
|
1285 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such interface")));
|
|
|
1286 |
return -1;
|
|
|
1287 |
}
|
|
|
1288 |
|
|
|
1289 |
|
|
|
1290 |
TInt TUsbcDescriptorPool::FindEpDescriptor(TInt aIfcNumber, TInt aIfcSetting, TUint8 aEpAddress) const
|
|
|
1291 |
{
|
|
|
1292 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::FindEpDescriptor(%d, %d, 0x%02x)"),
|
|
|
1293 |
aIfcNumber, aIfcSetting, aEpAddress));
|
|
|
1294 |
// first find the interface
|
|
|
1295 |
TInt ifc = FindIfcDescriptor(aIfcNumber, aIfcSetting);
|
|
|
1296 |
if (ifc < 0)
|
|
|
1297 |
{
|
|
|
1298 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such interface")));
|
|
|
1299 |
return ifc;
|
|
|
1300 |
}
|
|
|
1301 |
TInt count = iDescriptors.Count();
|
|
|
1302 |
// then, before the next interface, try to locate the endpoint
|
|
|
1303 |
for (TInt i = ifc + 1; i < count; ++i)
|
|
|
1304 |
{
|
|
|
1305 |
if (iDescriptors[i]->Type() == KUsbDescType_Interface)
|
|
|
1306 |
{
|
|
|
1307 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such endpoint before next interface")));
|
|
|
1308 |
return -1;
|
|
|
1309 |
}
|
|
|
1310 |
else if ((iDescriptors[i]->Type() == KUsbDescType_Endpoint) &&
|
|
|
1311 |
(iDescriptors[i]->Byte(2) == aEpAddress))
|
|
|
1312 |
{
|
|
|
1313 |
return i; // found
|
|
|
1314 |
}
|
|
|
1315 |
}
|
|
|
1316 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no such endpoint")));
|
|
|
1317 |
return -1;
|
|
|
1318 |
}
|
|
|
1319 |
|
|
|
1320 |
|
|
|
1321 |
void TUsbcDescriptorPool::DeleteDescriptors(TInt aIndex, TInt aCount)
|
|
|
1322 |
{
|
|
|
1323 |
if (aCount <= 0)
|
|
|
1324 |
{
|
|
|
1325 |
return;
|
|
|
1326 |
}
|
|
|
1327 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" Removing descriptors at index %d:"), aIndex));
|
|
|
1328 |
while (aCount--)
|
|
|
1329 |
{
|
|
|
1330 |
// in this loop we don't decrement aIndex, because after deleting an element
|
|
|
1331 |
// aIndex is already indexing the next one!
|
|
|
1332 |
TUsbcDescriptorBase* ptr = iDescriptors[aIndex];
|
|
|
1333 |
if (iDescriptors[1])
|
|
|
1334 |
{
|
|
|
1335 |
// if there's a config descriptor (and not a NULL pointer),
|
|
|
1336 |
if (ptr->Type() == KUsbDescType_Interface)
|
|
|
1337 |
{
|
|
|
1338 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" - an interface descriptor")));
|
|
|
1339 |
// if it's an interface descriptor:
|
|
|
1340 |
// we update its wTotalLength field...
|
|
|
1341 |
iDescriptors[1]->SetWord(2, (TUint8)(iDescriptors[1]->Word(2) - KUsbDescSize_Interface));
|
|
|
1342 |
}
|
|
|
1343 |
else if (ptr->Type() == KUsbDescType_Endpoint)
|
|
|
1344 |
{
|
|
|
1345 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" - an endpoint descriptor")));
|
|
|
1346 |
// if it's an endpoint descriptor:
|
|
|
1347 |
// we only update its wTotalLength field
|
|
|
1348 |
iDescriptors[1]->SetWord(2, (TUint8)(iDescriptors[1]->Word(2) - ptr->Size()));
|
|
|
1349 |
}
|
|
|
1350 |
else if (ptr->Type() == KUsbDescType_CS_Interface || ptr->Type() == KUsbDescType_CS_Endpoint)
|
|
|
1351 |
{
|
|
|
1352 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" - a class specific descriptor")));
|
|
|
1353 |
// if it's an class specific descriptor:
|
|
|
1354 |
// we only update its wTotalLength field
|
|
|
1355 |
iDescriptors[1]->SetWord(2, (TUint8)(iDescriptors[1]->Word(2) - ptr->Size()));
|
|
|
1356 |
}
|
|
|
1357 |
}
|
|
|
1358 |
iDescriptors.Remove(aIndex);
|
|
|
1359 |
delete ptr;
|
|
|
1360 |
}
|
|
|
1361 |
}
|
|
|
1362 |
|
|
|
1363 |
|
|
|
1364 |
void TUsbcDescriptorPool::DeleteString(TInt aIndex)
|
|
|
1365 |
{
|
|
|
1366 |
TUsbcStringDescriptorBase* ptr = iStrings[aIndex];
|
|
|
1367 |
iStrings.Remove(aIndex);
|
|
|
1368 |
delete ptr;
|
|
|
1369 |
}
|
|
|
1370 |
|
|
|
1371 |
|
|
|
1372 |
void TUsbcDescriptorPool::UpdateIfcNumbers(TInt aNumber)
|
|
|
1373 |
{
|
|
|
1374 |
const TInt count = iDescriptors.Count();
|
|
|
1375 |
for (TInt i = 2; i < count; ++i)
|
|
|
1376 |
{
|
|
|
1377 |
if ((iDescriptors[i]->Type() == KUsbDescType_Interface) &&
|
|
|
1378 |
(iDescriptors[i]->Byte(2) == aNumber))
|
|
|
1379 |
{
|
|
|
1380 |
// there's still an interface with 'number' so we don't need to update anything
|
|
|
1381 |
return;
|
|
|
1382 |
}
|
|
|
1383 |
}
|
|
|
1384 |
// if we haven't returned yet, we decrement bNumInterfaces
|
|
|
1385 |
iDescriptors[1]->SetByte(4, (TUint8)(iDescriptors[1]->Byte(4) - 1));
|
|
|
1386 |
}
|
|
|
1387 |
|
|
|
1388 |
|
|
|
1389 |
void TUsbcDescriptorPool::UpdateIfcStringIndexes(TInt aStringIndex)
|
|
|
1390 |
{
|
|
|
1391 |
// aStringIndex is the index value of the string descriptor that has just been removed.
|
|
|
1392 |
// We update all ifc descriptors with a string index value that is greater than aStringIndex,
|
|
|
1393 |
// because those strings moved all down by one position.
|
|
|
1394 |
//
|
|
|
1395 |
TInt count = iDescriptors.Count();
|
|
|
1396 |
for (TInt i = 2; i < count; ++i)
|
|
|
1397 |
{
|
|
|
1398 |
if ((iDescriptors[i]->Type() == KUsbDescType_Interface) &&
|
|
|
1399 |
(iDescriptors[i]->Byte(8) > aStringIndex))
|
|
|
1400 |
{
|
|
|
1401 |
iDescriptors[i]->SetByte(8, (TUint8)(iDescriptors[i]->Byte(8) - 1));
|
|
|
1402 |
}
|
|
|
1403 |
}
|
|
|
1404 |
}
|
|
|
1405 |
|
|
|
1406 |
|
|
|
1407 |
//
|
|
|
1408 |
// Only used for Ep0 standard requests, so target buffer could be hard-wired.
|
|
|
1409 |
//
|
|
|
1410 |
TInt TUsbcDescriptorPool::GetDeviceDescriptor() const
|
|
|
1411 |
{
|
|
|
1412 |
return iDescriptors[0]->GetDescriptorData(iEp0_TxBuf, KUsbcBufSz_Ep0Tx);
|
|
|
1413 |
}
|
|
|
1414 |
|
|
|
1415 |
|
|
|
1416 |
//
|
|
|
1417 |
// Only used for Ep0 standard requests, so target buffer could be hard-wired.
|
|
|
1418 |
//
|
|
|
1419 |
TInt TUsbcDescriptorPool::GetConfigDescriptor() const
|
|
|
1420 |
{
|
|
|
1421 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::GetConfigDescriptor()")));
|
|
|
1422 |
TInt copied = 0;
|
|
|
1423 |
TInt count = iDescriptors.Count();
|
|
|
1424 |
TUint8* buf = iEp0_TxBuf;
|
|
|
1425 |
for (TInt i = 1; i < count; ++i)
|
|
|
1426 |
{
|
|
|
1427 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" > desc[%02d]: type = 0x%02x size = %d "),
|
|
|
1428 |
i, iDescriptors[i]->Type(), iDescriptors[i]->Size()));
|
|
|
1429 |
const TInt size = iDescriptors[i]->GetDescriptorData(buf, KUsbcBufSz_Ep0Tx - copied);
|
|
|
1430 |
if (size == 0)
|
|
|
1431 |
{
|
|
|
1432 |
// There was no buffer space to copy the descriptor -> no use to proceed
|
|
|
1433 |
break;
|
|
|
1434 |
}
|
|
|
1435 |
copied += size;
|
|
|
1436 |
if (copied >= KUsbcBufSz_Ep0Tx)
|
|
|
1437 |
{
|
|
|
1438 |
// There's no buffer space left -> we need to stop copying here
|
|
|
1439 |
break;
|
|
|
1440 |
}
|
|
|
1441 |
buf += size;
|
|
|
1442 |
}
|
|
|
1443 |
return copied;
|
|
|
1444 |
}
|
|
|
1445 |
|
|
|
1446 |
|
|
|
1447 |
//
|
|
|
1448 |
// Only used for Ep0 standard requests, so target buffer could be hard-wired.
|
|
|
1449 |
//
|
|
|
1450 |
TInt TUsbcDescriptorPool::GetStringDescriptor(TInt aIndex) const
|
|
|
1451 |
{
|
|
|
1452 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING("TUsbcDescriptorPool::GetStringDescriptor()")));
|
|
|
1453 |
// I really would have liked to display here the descriptor contents, but without trailing zero
|
|
|
1454 |
// we got a problem: how could we tell printf where the string ends? We would have to
|
|
|
1455 |
// dynamically allocate memory (since we don't know the size in advance), copy the descriptor
|
|
|
1456 |
// contents there, append a zero, and give this to printf. That's a bit too much effort...
|
|
|
1457 |
if (iStrings[aIndex])
|
|
|
1458 |
{
|
|
|
1459 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" String @ pos %d"), aIndex));
|
|
|
1460 |
TInt size = iStrings[aIndex]->GetDescriptorData(iEp0_TxBuf, KUsbcBufSz_Ep0Tx);
|
|
|
1461 |
return size;
|
|
|
1462 |
}
|
|
|
1463 |
else
|
|
|
1464 |
{
|
|
|
1465 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no descriptor @ pos %d!"), aIndex));
|
|
|
1466 |
return 0;
|
|
|
1467 |
}
|
|
|
1468 |
}
|
|
|
1469 |
|
|
|
1470 |
|
|
|
1471 |
TInt TUsbcDescriptorPool::GetDeviceStringDescriptorTC(DThread* aThread, TDes8& aString, TInt aIndex) const
|
|
|
1472 |
{
|
|
|
1473 |
TBuf8<KUsbDescSize_Device> dev_desc;
|
|
|
1474 |
iDescriptors[0]->GetDescriptorData(dev_desc);
|
|
|
1475 |
const TInt str_idx = dev_desc[aIndex];
|
|
|
1476 |
if ((str_idx > 0) && iStrings[str_idx])
|
|
|
1477 |
{
|
|
|
1478 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" String @ pos %d (device $): \"%S\""),
|
|
|
1479 |
str_idx, &iStrings[str_idx]->StringData()));
|
|
|
1480 |
return __THREADWRITE(aThread, &aString, iStrings[str_idx]->StringData());
|
|
|
1481 |
}
|
|
|
1482 |
else
|
|
|
1483 |
{
|
|
|
1484 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: no string descriptor @ pos %d!"), str_idx));
|
|
|
1485 |
return KErrNotFound;
|
|
|
1486 |
}
|
|
|
1487 |
}
|
|
|
1488 |
|
|
|
1489 |
|
|
|
1490 |
TInt TUsbcDescriptorPool::SetDeviceStringDescriptorTC(DThread* aThread, const TDes8& aString, TInt aIndex)
|
|
|
1491 |
{
|
|
|
1492 |
// we don't know the length of the string, so we have to allocate memory dynamically
|
|
|
1493 |
TUint strlen = __THREADDESLEN(aThread, &aString);
|
|
|
1494 |
if (strlen > KUsbStringDescStringMaxSize)
|
|
|
1495 |
{
|
|
|
1496 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Warning: $ descriptor too long - string will be truncated")));
|
|
|
1497 |
strlen = KUsbStringDescStringMaxSize;
|
|
|
1498 |
}
|
|
|
1499 |
|
|
|
1500 |
HBuf8Plat* strbuf = NULL;
|
|
|
1501 |
__NEWPLATBUF(strbuf, strlen);
|
|
|
1502 |
if (!strbuf)
|
|
|
1503 |
{
|
|
|
1504 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: Memory allocation for dev $ desc string failed (1)")));
|
|
|
1505 |
return KErrNoMemory;
|
|
|
1506 |
}
|
|
|
1507 |
|
|
|
1508 |
TInt r;
|
|
|
1509 |
__THREADREADPLATBUF(aThread, &aString, strbuf, r);
|
|
|
1510 |
if (r != KErrNone)
|
|
|
1511 |
{
|
|
|
1512 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: Thread read error")));
|
|
|
1513 |
delete strbuf;
|
|
|
1514 |
return r;
|
|
|
1515 |
}
|
|
|
1516 |
TUsbcStringDescriptor* sd = TUsbcStringDescriptor::New(*strbuf);
|
|
|
1517 |
if (!sd)
|
|
|
1518 |
{
|
|
|
1519 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: Memory allocation for dev $ desc failed (2)")));
|
|
|
1520 |
delete strbuf;
|
|
|
1521 |
return KErrNoMemory;
|
|
|
1522 |
}
|
|
|
1523 |
TBuf8<KUsbDescSize_Device> dev_desc;
|
|
|
1524 |
dev_desc.FillZ(dev_desc.MaxLength());
|
|
|
1525 |
iDescriptors[0]->GetDescriptorData(dev_desc);
|
|
|
1526 |
ExchangeStringDescriptor(dev_desc[aIndex], sd);
|
|
|
1527 |
delete strbuf;
|
|
|
1528 |
return r;
|
|
|
1529 |
}
|
|
|
1530 |
|
|
|
1531 |
|
|
|
1532 |
TInt TUsbcDescriptorPool::ExchangeStringDescriptor(TInt aIndex, const TUsbcStringDescriptor* aDesc)
|
|
|
1533 |
{
|
|
|
1534 |
if (aIndex <= 0)
|
|
|
1535 |
{
|
|
|
1536 |
__KTRACE_OPT(KPANIC, Kern::Printf(__KSTRING(" Error: invalid string descriptor index: %d!"), aIndex));
|
|
|
1537 |
return KErrArgument;
|
|
|
1538 |
}
|
|
|
1539 |
__KTRACE_OPT(KUSB, Kern::Printf(__KSTRING(" Exchanging string descriptor @ index %d"), aIndex));
|
|
|
1540 |
DeleteString(aIndex);
|
|
|
1541 |
iStrings.Insert(aDesc, aIndex);
|
|
|
1542 |
return KErrNone;
|
|
|
1543 |
}
|
|
|
1544 |
|
|
|
1545 |
|
|
|
1546 |
// -eof-
|