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// Copyright (c) 2000-2009 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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// e32/drivers/usbcc/descriptors.cpp
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// Platform independent layer (PIL) of the USB Device controller driver:
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// USB descriptor handling and management.
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//
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//
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/**
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@file descriptors.cpp
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@internalTechnology
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*/
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#include <kernel/kern_priv.h>
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#include <drivers/usbc.h>
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// Debug Support
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static const char KUsbPanicCat[] = "USB PIL";
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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("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("TUsbcDescriptorBase::~TUsbcDescriptorBase()"));
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}
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void TUsbcDescriptorBase::SetByte(TInt 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(TInt 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(TInt aPosition) const
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{
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return iBufPtr[aPosition];
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}
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TUint16 TUsbcDescriptorBase::Word(TInt 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, TUint 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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TUint 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::UpdateFs()
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{
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// virtual function can be overridden in derived classes.
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return;
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}
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void TUsbcDescriptorBase::UpdateHs()
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{
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// virtual function can be overridden in derived classes.
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return;
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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("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("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("TUsbcDeviceDescriptor::Construct()"));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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iBuf[0] = 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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iEp0Size_Fs = aMaxPacketSize0;
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return KErrNone;
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}
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void TUsbcDeviceDescriptor::UpdateFs()
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDeviceDescriptor::UpdateFs()"));
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SetByte(7, iEp0Size_Fs); // bMaxPacketSize0
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}
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void TUsbcDeviceDescriptor::UpdateHs()
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDeviceDescriptor::UpdateHs()"));
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SetByte(7, 64); // bMaxPacketSize0
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}
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// --- TUsbcDeviceQualifierDescriptor
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TUsbcDeviceQualifierDescriptor::TUsbcDeviceQualifierDescriptor()
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: iBuf()
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDeviceDescriptor::TUsbcDeviceQualifierDescriptor()"));
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}
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TUsbcDeviceQualifierDescriptor* TUsbcDeviceQualifierDescriptor::New(TUint8 aDeviceClass,
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TUint8 aDeviceSubClass,
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TUint8 aDeviceProtocol,
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TUint8 aMaxPacketSize0,
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TUint8 aNumConfigurations,
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TUint8 aReserved)
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDeviceQualifierDescriptor::New()"));
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TUsbcDeviceQualifierDescriptor* self = new TUsbcDeviceQualifierDescriptor();
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if (self)
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{
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if (self->Construct(aDeviceClass, aDeviceSubClass, aDeviceProtocol, aMaxPacketSize0,
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aNumConfigurations, aReserved) != 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 TUsbcDeviceQualifierDescriptor::Construct(TUint8 aDeviceClass, TUint8 aDeviceSubClass,
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TUint8 aDeviceProtocol, TUint8 aMaxPacketSize0,
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TUint8 aNumConfigurations, TUint8 aReserved)
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDeviceQualifierDescriptor::Construct()"));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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iBuf[0] = iBuf.Size(); // bLength
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iBuf[1] = KUsbDescType_DeviceQualifier; // 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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iBuf[8] = aNumConfigurations; // bNumConfigurations
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if (aReserved) aReserved = 0;
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iBuf[9] = aReserved; // Reserved for future use, must be zero
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iEp0Size_Fs = aMaxPacketSize0;
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return KErrNone;
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}
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void TUsbcDeviceQualifierDescriptor::UpdateFs()
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDeviceQualifierDescriptor::UpdateFs()"));
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// Here we do exactly the opposite of what's done in the Device descriptor (as this one's
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// documenting the 'other than the current speed').
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SetByte(7, 64); // bMaxPacketSize0
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}
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void TUsbcDeviceQualifierDescriptor::UpdateHs()
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDeviceQualifierDescriptor::UpdateHs()"));
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// Here we do exactly the opposite of what's done in the Device descriptor (as this one's
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// documenting the 'other than the current speed').
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SetByte(7, iEp0Size_Fs); // bMaxPacketSize0
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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("TUsbcConfigDescriptor::TUsbcConfigDescriptor()"));
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}
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TUsbcConfigDescriptor* TUsbcConfigDescriptor::New(TUint8 aConfigurationValue, TBool aSelfPowered,
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TBool aRemoteWakeup, TUint16 aMaxPower)
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{
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__KTRACE_OPT(KUSB, Kern::Printf("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, TUint16 aMaxPower)
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcConfigDescriptor::Construct()"));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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iBuf[0] = 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] = 0x80 |
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(aSelfPowered ? KUsbDevAttr_SelfPowered : 0) |
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(aRemoteWakeup ? KUsbDevAttr_RemoteWakeup : 0); // bmAttributes (bit 7 always 1)
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if (aMaxPower > 510)
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid value for bMaxPower: %d", aMaxPower));
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iBuf[8] = aMaxPower / 2; // bMaxPower (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("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("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("TUsbcInterfaceDescriptor::Construct()"));
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iBuf.SetMax();
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SetBufferPointer(iBuf);
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|
364 |
iBuf[0] = iBuf.Size(); // bLength
|
|
|
365 |
iBuf[1] = KUsbDescType_Interface; // bDescriptorType
|
|
|
366 |
iBuf[2] = aInterfaceNumber; // bInterfaceNumber
|
|
|
367 |
iBuf[3] = aAlternateSetting; // bAlternateSetting
|
|
|
368 |
iBuf[4] = aNumEndpoints; // bNumEndpoints
|
|
|
369 |
iBuf[5] = aClassInfo.iClassNum; // bInterfaceClass
|
|
|
370 |
iBuf[6] = aClassInfo.iSubClassNum; // bInterfaceSubClass
|
|
|
371 |
iBuf[7] = aClassInfo.iProtocolNum; // bInterfaceProtocol
|
|
|
372 |
iBuf[8] = 0; // iInterface
|
|
|
373 |
return KErrNone;
|
|
|
374 |
}
|
|
|
375 |
|
|
|
376 |
|
|
|
377 |
// --- TUsbcEndpointDescriptorBase
|
|
|
378 |
|
|
|
379 |
TUsbcEndpointDescriptorBase::TUsbcEndpointDescriptorBase()
|
|
|
380 |
{
|
|
|
381 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptorBase::TUsbcEndpointDescriptorBase()"));
|
|
|
382 |
}
|
|
|
383 |
|
|
|
384 |
|
|
|
385 |
TInt TUsbcEndpointDescriptorBase::Construct(const TUsbcEndpointInfo& aEpInfo)
|
|
|
386 |
{
|
|
|
387 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptorBase::Construct()"));
|
|
|
388 |
// Adjust FS/HS endpoint sizes
|
|
|
389 |
if (aEpInfo.AdjustEpSizes(iEpSize_Fs, iEpSize_Hs) != KErrNone)
|
|
|
390 |
{
|
|
|
391 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Unknown endpoint type: %d", aEpInfo.iType));
|
|
|
392 |
}
|
|
|
393 |
__KTRACE_OPT(KUSB, Kern::Printf(" Now set: iEpSize_Fs=%d iEpSize_Hs=%d (aEpInfo.iSize=%d)",
|
|
|
394 |
iEpSize_Fs, iEpSize_Hs, aEpInfo.iSize));
|
|
|
395 |
|
|
|
396 |
// Adjust HS endpoint size for additional transactions
|
|
|
397 |
if ((aEpInfo.iType == KUsbEpTypeIsochronous) || (aEpInfo.iType == KUsbEpTypeInterrupt))
|
|
|
398 |
{
|
|
|
399 |
if ((aEpInfo.iTransactions > 0) && (aEpInfo.iTransactions < 3))
|
|
|
400 |
{
|
|
|
401 |
// Bits 12..11 specify the number of additional transactions per microframe
|
|
|
402 |
iEpSize_Hs |= (aEpInfo.iTransactions << 12);
|
|
|
403 |
__KTRACE_OPT(KUSB, Kern::Printf(" Adjusted for add. transact.: iEpSize_Hs=0x%02x "
|
|
|
404 |
"(aEpInfo.iTransactions=%d)",
|
|
|
405 |
iEpSize_Hs, aEpInfo.iTransactions));
|
|
|
406 |
}
|
|
|
407 |
else if (aEpInfo.iTransactions != 0)
|
|
|
408 |
{
|
|
|
409 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: Invalid iTransactions value: %d (ignored)",
|
|
|
410 |
aEpInfo.iTransactions));
|
|
|
411 |
}
|
|
|
412 |
}
|
|
|
413 |
|
|
|
414 |
// Adjust HS polling interval
|
|
|
415 |
TUsbcEndpointInfo info(aEpInfo); // create local writeable copy
|
|
|
416 |
if (info.AdjustPollInterval() != KErrNone)
|
|
|
417 |
{
|
|
|
418 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Unknown ep type (%d) or invalid interval value (%d)",
|
|
|
419 |
info.iType, info.iInterval));
|
|
|
420 |
}
|
|
|
421 |
iInterval_Fs = info.iInterval;
|
|
|
422 |
iInterval_Hs = info.iInterval_Hs;
|
|
|
423 |
__KTRACE_OPT(KUSB, Kern::Printf(" Now set: iInterval_Fs=%d iInterval_Hs=%d",
|
|
|
424 |
iInterval_Fs, iInterval_Hs));
|
|
|
425 |
return KErrNone;
|
|
|
426 |
}
|
|
|
427 |
|
|
|
428 |
|
|
|
429 |
void TUsbcEndpointDescriptorBase::UpdateFs()
|
|
|
430 |
{
|
|
|
431 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptorBase::UpdateFs()"));
|
|
|
432 |
// (TUsbcEndpointDescriptorBase's FS/HS endpoint sizes and interval values got
|
|
|
433 |
// adjusted in its Construct() method.)
|
|
|
434 |
SetWord(4, iEpSize_Fs); // wMaxPacketSize
|
|
|
435 |
SetByte(6, iInterval_Fs); // bInterval
|
|
|
436 |
}
|
|
|
437 |
|
|
|
438 |
|
|
|
439 |
void TUsbcEndpointDescriptorBase::UpdateHs()
|
|
|
440 |
{
|
|
|
441 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptorBase::UpdateHs()"));
|
|
|
442 |
// (TUsbcEndpointDescriptorBase's FS/HS endpoint sizes and interval values get
|
|
|
443 |
// adjusted in its Construct() method.)
|
|
|
444 |
SetWord(4, iEpSize_Hs); // wMaxPacketSize
|
|
|
445 |
SetByte(6, iInterval_Hs); // bInterval
|
|
|
446 |
}
|
|
|
447 |
|
|
|
448 |
|
|
|
449 |
// --- TUsbcEndpointDescriptor
|
|
|
450 |
|
|
|
451 |
TUsbcEndpointDescriptor::TUsbcEndpointDescriptor()
|
|
|
452 |
: iBuf()
|
|
|
453 |
{
|
|
|
454 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptor::TUsbcEndpointDescriptor()"));
|
|
|
455 |
}
|
|
|
456 |
|
|
|
457 |
|
|
|
458 |
TUsbcEndpointDescriptor* TUsbcEndpointDescriptor::New(TUint8 aEndpointAddress,
|
|
|
459 |
const TUsbcEndpointInfo& aEpInfo)
|
|
|
460 |
{
|
|
|
461 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptor::New()"));
|
|
|
462 |
TUsbcEndpointDescriptor* self = new TUsbcEndpointDescriptor();
|
|
|
463 |
if (self)
|
|
|
464 |
{
|
|
|
465 |
if (self->Construct(aEndpointAddress, aEpInfo) != KErrNone)
|
|
|
466 |
{
|
|
|
467 |
delete self;
|
|
|
468 |
return NULL;
|
|
|
469 |
}
|
|
|
470 |
}
|
|
|
471 |
return self;
|
|
|
472 |
}
|
|
|
473 |
|
|
|
474 |
|
|
|
475 |
TInt TUsbcEndpointDescriptor::Construct(TUint8 aEndpointAddress, const TUsbcEndpointInfo& aEpInfo)
|
|
|
476 |
{
|
|
|
477 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptor::Construct()"));
|
|
|
478 |
(void) TUsbcEndpointDescriptorBase::Construct(aEpInfo); // Init Base class
|
|
|
479 |
iBuf.SetMax();
|
|
|
480 |
SetBufferPointer(iBuf);
|
|
|
481 |
iBuf[0] = iBuf.Size(); // bLength
|
|
|
482 |
iBuf[1] = KUsbDescType_Endpoint; // bDescriptorType
|
|
|
483 |
iBuf[2] = aEndpointAddress; // bEndpointAddress
|
|
|
484 |
iBuf[3] = EpTypeMask2Value(aEpInfo.iType); // bmAttributes
|
|
|
485 |
SetWord(4, iEpSize_Fs); // wMaxPacketSize (default is FS)
|
|
|
486 |
iBuf[6] = iInterval_Fs; // bInterval (default is FS)
|
|
|
487 |
return KErrNone;
|
|
|
488 |
}
|
|
|
489 |
|
|
|
490 |
|
|
|
491 |
// --- TUsbcAudioEndpointDescriptor
|
|
|
492 |
|
|
|
493 |
TUsbcAudioEndpointDescriptor::TUsbcAudioEndpointDescriptor()
|
|
|
494 |
: iBuf()
|
|
|
495 |
{
|
|
|
496 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcAudioEndpointDescriptor::TUsbcAudioEndpointDescriptor()"));
|
|
|
497 |
}
|
|
|
498 |
|
|
|
499 |
|
|
|
500 |
TUsbcAudioEndpointDescriptor* TUsbcAudioEndpointDescriptor::New(TUint8 aEndpointAddress,
|
|
|
501 |
const TUsbcEndpointInfo& aEpInfo)
|
|
|
502 |
{
|
|
|
503 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcAudioEndpointDescriptor::New()"));
|
|
|
504 |
TUsbcAudioEndpointDescriptor* self = new TUsbcAudioEndpointDescriptor();
|
|
|
505 |
if (self)
|
|
|
506 |
{
|
|
|
507 |
if (self->Construct(aEndpointAddress, aEpInfo) != KErrNone)
|
|
|
508 |
{
|
|
|
509 |
delete self;
|
|
|
510 |
return NULL;
|
|
|
511 |
}
|
|
|
512 |
}
|
|
|
513 |
return self;
|
|
|
514 |
}
|
|
|
515 |
|
|
|
516 |
|
|
|
517 |
TInt TUsbcAudioEndpointDescriptor::Construct(TUint8 aEndpointAddress, const TUsbcEndpointInfo& aEpInfo)
|
|
|
518 |
{
|
|
|
519 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcAudioEndpointDescriptor::Construct()"));
|
|
|
520 |
(void) TUsbcEndpointDescriptorBase::Construct(aEpInfo); // Init Base class
|
|
|
521 |
iBuf.SetMax();
|
|
|
522 |
SetBufferPointer(iBuf);
|
|
|
523 |
iBuf[0] = iBuf.Size(); // bLength
|
|
|
524 |
iBuf[1] = KUsbDescType_Endpoint; // bDescriptorType
|
|
|
525 |
iBuf[2] = aEndpointAddress; // bEndpointAddress
|
|
|
526 |
iBuf[3] = EpTypeMask2Value(aEpInfo.iType); // bmAttributes
|
|
|
527 |
SetWord(4, iEpSize_Fs); // wMaxPacketSize (default is FS)
|
|
|
528 |
iBuf[6] = iInterval_Fs; // bInterval (default is FS)
|
|
|
529 |
iBuf[7] = 0;
|
|
|
530 |
iBuf[8] = 0;
|
|
|
531 |
return KErrNone;
|
|
|
532 |
}
|
|
|
533 |
|
|
|
534 |
|
|
|
535 |
// --- TUsbcOtgDescriptor
|
|
|
536 |
|
|
|
537 |
TUsbcOtgDescriptor* TUsbcOtgDescriptor::New(TBool aHnpSupport, TBool aSrpSupport)
|
|
|
538 |
{
|
|
|
539 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcOtgDescriptor::New()"));
|
|
|
540 |
TUsbcOtgDescriptor* self = new TUsbcOtgDescriptor();
|
|
|
541 |
if (self && (self->Construct(aHnpSupport, aSrpSupport) != KErrNone))
|
|
|
542 |
{
|
|
|
543 |
delete self;
|
|
|
544 |
return NULL;
|
|
|
545 |
}
|
|
|
546 |
return self;
|
|
|
547 |
}
|
|
|
548 |
|
|
|
549 |
|
|
|
550 |
TUsbcOtgDescriptor::TUsbcOtgDescriptor()
|
|
|
551 |
: iBuf()
|
|
|
552 |
{
|
|
|
553 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcOtgDescriptor::TUsbcOtgDescriptor()"));
|
|
|
554 |
}
|
|
|
555 |
|
|
|
556 |
|
|
|
557 |
TInt TUsbcOtgDescriptor::Construct(TBool aHnpSupport, TBool aSrpSupport)
|
|
|
558 |
{
|
|
|
559 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcOtgDescriptor::Construct()"));
|
|
|
560 |
iBuf.SetMax();
|
|
|
561 |
SetBufferPointer(iBuf);
|
|
|
562 |
iBuf[0] = iBuf.Size(); // bLength
|
|
|
563 |
iBuf[1] = KUsbDescType_Otg; // bDescriptorType
|
|
|
564 |
iBuf[2] = (aHnpSupport ? KUsbOtgAttr_HnpSupp : 0) |
|
|
|
565 |
(aSrpSupport ? KUsbOtgAttr_SrpSupp : 0); // bmAttributes
|
|
|
566 |
return KErrNone;
|
|
|
567 |
}
|
|
|
568 |
|
|
|
569 |
|
|
|
570 |
// --- TUsbcClassSpecificDescriptor
|
|
|
571 |
|
|
|
572 |
TUsbcClassSpecificDescriptor::TUsbcClassSpecificDescriptor()
|
|
|
573 |
: iBuf(NULL)
|
|
|
574 |
{
|
|
|
575 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcClassSpecificDescriptor::TUsbcClassSpecificDescriptor()"));
|
|
|
576 |
}
|
|
|
577 |
|
|
|
578 |
|
|
|
579 |
TUsbcClassSpecificDescriptor::~TUsbcClassSpecificDescriptor()
|
|
|
580 |
{
|
|
|
581 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcClassSpecificDescriptor::~TUsbcClassSpecificDescriptor()"));
|
|
|
582 |
delete iBuf;
|
|
|
583 |
}
|
|
|
584 |
|
|
|
585 |
|
|
|
586 |
TUsbcClassSpecificDescriptor* TUsbcClassSpecificDescriptor::New(TUint8 aType, TInt aSize)
|
|
|
587 |
{
|
|
|
588 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcClassSpecificDescriptor::New()"));
|
|
|
589 |
TUsbcClassSpecificDescriptor* self = new TUsbcClassSpecificDescriptor();
|
|
|
590 |
if (self)
|
|
|
591 |
{
|
|
|
592 |
if (self->Construct(aType, aSize) != KErrNone)
|
|
|
593 |
{
|
|
|
594 |
delete self;
|
|
|
595 |
return NULL;
|
|
|
596 |
}
|
|
|
597 |
}
|
|
|
598 |
return self;
|
|
|
599 |
}
|
|
|
600 |
|
|
|
601 |
|
|
|
602 |
TInt TUsbcClassSpecificDescriptor::Construct(TUint8 aType, TInt aSize)
|
|
|
603 |
{
|
|
|
604 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcClassSpecificDescriptor::Construct()"));
|
|
|
605 |
iBuf = HBuf8::New(aSize);
|
|
|
606 |
if (!iBuf)
|
|
|
607 |
{
|
|
|
608 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Allocation of CS desc buffer failed"));
|
|
|
609 |
return KErrNoMemory;
|
|
|
610 |
}
|
|
|
611 |
iBuf->SetMax();
|
|
|
612 |
SetBufferPointer(*iBuf);
|
|
|
613 |
SetByte(1, aType); // bDescriptorType
|
|
|
614 |
return KErrNone;
|
|
|
615 |
}
|
|
|
616 |
|
|
|
617 |
|
|
|
618 |
// --- TUsbcStringDescriptorBase
|
|
|
619 |
|
|
|
620 |
TUsbcStringDescriptorBase::TUsbcStringDescriptorBase()
|
|
|
621 |
: /*iIndex(0),*/ iSBuf(0), iBufPtr(NULL, 0)
|
|
|
622 |
{
|
|
|
623 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcStringDescriptorBase::TUsbcStringDescriptorBase()"));
|
|
|
624 |
}
|
|
|
625 |
|
|
|
626 |
|
|
|
627 |
TUsbcStringDescriptorBase::~TUsbcStringDescriptorBase()
|
|
|
628 |
{
|
|
|
629 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcStringDescriptorBase::~TUsbcStringDescriptorBase()"));
|
|
|
630 |
}
|
|
|
631 |
|
|
|
632 |
|
|
|
633 |
TUint16 TUsbcStringDescriptorBase::Word(TInt aPosition) const
|
|
|
634 |
{
|
|
|
635 |
if (aPosition <= 1)
|
|
|
636 |
{
|
|
|
637 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Word(%d) in string descriptor "
|
|
|
638 |
"(TUsbcStringDescriptorBase::Word)", aPosition));
|
|
|
639 |
return 0;
|
|
|
640 |
}
|
|
|
641 |
else
|
|
|
642 |
{
|
|
|
643 |
// since iBufPtr[0] is actually string descriptor byte index 2,
|
|
|
644 |
// we have to subtract 2 from the absolute position.
|
|
|
645 |
return SWAP_BYTES_16(*reinterpret_cast<const TUint16*>(&iBufPtr[aPosition - 2]));
|
|
|
646 |
}
|
|
|
647 |
}
|
|
|
648 |
|
|
|
649 |
|
|
|
650 |
void TUsbcStringDescriptorBase::SetWord(TInt aPosition, TUint16 aValue)
|
|
|
651 |
{
|
|
|
652 |
if (aPosition <= 1)
|
|
|
653 |
{
|
|
|
654 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: SetWord(%d) in string descriptor "
|
|
|
655 |
"(TUsbcStringDescriptorBase::SetWord)", aPosition));
|
|
|
656 |
return;
|
|
|
657 |
}
|
|
|
658 |
else
|
|
|
659 |
{
|
|
|
660 |
// since iBufPtr[0] is actually string descriptor byte index 2,
|
|
|
661 |
// we have to subtract 2 from the absolute position.
|
|
|
662 |
*reinterpret_cast<TUint16*>(&iBufPtr[aPosition - 2]) = SWAP_BYTES_16(aValue);
|
|
|
663 |
}
|
|
|
664 |
}
|
|
|
665 |
|
|
|
666 |
|
|
|
667 |
TInt TUsbcStringDescriptorBase::GetDescriptorData(TUint8* aBuffer) const
|
|
|
668 |
{
|
|
|
669 |
aBuffer[0] = iSBuf[0];
|
|
|
670 |
aBuffer[1] = iSBuf[1];
|
|
|
671 |
memcpy(&aBuffer[2], iBufPtr.Ptr(), iBufPtr.Size());
|
|
|
672 |
return Size();
|
|
|
673 |
}
|
|
|
674 |
|
|
|
675 |
|
|
|
676 |
TInt TUsbcStringDescriptorBase::GetDescriptorData(TUint8* aBuffer, TUint aMaxSize) const
|
|
|
677 |
{
|
|
|
678 |
if (aMaxSize < Size())
|
|
|
679 |
{
|
|
|
680 |
// No use to copy only half a string
|
|
|
681 |
return 0;
|
|
|
682 |
}
|
|
|
683 |
return GetDescriptorData(aBuffer);
|
|
|
684 |
}
|
|
|
685 |
|
|
|
686 |
|
|
|
687 |
const TDes8& TUsbcStringDescriptorBase::StringData() const
|
|
|
688 |
{
|
|
|
689 |
return iBufPtr;
|
|
|
690 |
}
|
|
|
691 |
|
|
|
692 |
|
|
|
693 |
TDes8& TUsbcStringDescriptorBase::StringData()
|
|
|
694 |
{
|
|
|
695 |
return iBufPtr;
|
|
|
696 |
}
|
|
|
697 |
|
|
|
698 |
|
|
|
699 |
TUint TUsbcStringDescriptorBase::Size() const
|
|
|
700 |
{
|
|
|
701 |
return iSBuf[0];
|
|
|
702 |
}
|
|
|
703 |
|
|
|
704 |
|
|
|
705 |
void TUsbcStringDescriptorBase::SetBufferPointer(const TDesC8& aDes)
|
|
|
706 |
{
|
|
|
707 |
iBufPtr.Set(const_cast<TUint8*>(aDes.Ptr()), aDes.Size(), aDes.Size());
|
|
|
708 |
}
|
|
|
709 |
|
|
|
710 |
|
|
|
711 |
// --- TUsbcStringDescriptor
|
|
|
712 |
|
|
|
713 |
TUsbcStringDescriptor::TUsbcStringDescriptor()
|
|
|
714 |
: iBuf(NULL)
|
|
|
715 |
{
|
|
|
716 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcStringDescriptor::TUsbcStringDescriptor()"));
|
|
|
717 |
}
|
|
|
718 |
|
|
|
719 |
|
|
|
720 |
TUsbcStringDescriptor::~TUsbcStringDescriptor()
|
|
|
721 |
{
|
|
|
722 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcStringDescriptor::~TUsbcStringDescriptor()"));
|
|
|
723 |
delete iBuf;
|
|
|
724 |
}
|
|
|
725 |
|
|
|
726 |
|
|
|
727 |
TUsbcStringDescriptor* TUsbcStringDescriptor::New(const TDesC8& aString)
|
|
|
728 |
{
|
|
|
729 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcStringDescriptor::New"));
|
|
|
730 |
TUsbcStringDescriptor* self = new TUsbcStringDescriptor();
|
|
|
731 |
if (self)
|
|
|
732 |
{
|
|
|
733 |
if (self->Construct(aString) != KErrNone)
|
|
|
734 |
{
|
|
|
735 |
delete self;
|
|
|
736 |
return NULL;
|
|
|
737 |
}
|
|
|
738 |
}
|
|
|
739 |
return self;
|
|
|
740 |
}
|
|
|
741 |
|
|
|
742 |
|
|
|
743 |
TInt TUsbcStringDescriptor::Construct(const TDesC8& aString)
|
|
|
744 |
{
|
|
|
745 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcStringDescriptor::Construct"));
|
|
|
746 |
iBuf = HBuf8::New(aString.Size()); // bytes, not UNICODE chars
|
|
|
747 |
if (!iBuf)
|
|
|
748 |
{
|
|
|
749 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Allocation of string buffer failed"));
|
|
|
750 |
return KErrNoMemory;
|
|
|
751 |
}
|
|
|
752 |
iBuf->SetMax();
|
|
|
753 |
SetBufferPointer(*iBuf);
|
|
|
754 |
iBufPtr.Copy(aString);
|
|
|
755 |
iSBuf.SetMax();
|
|
|
756 |
iSBuf[0] = iBuf->Size() + 2; // Bytes
|
|
|
757 |
iSBuf[1] = KUsbDescType_String;
|
|
|
758 |
return KErrNone;
|
|
|
759 |
}
|
|
|
760 |
|
|
|
761 |
|
|
|
762 |
// --- TUsbcLangIdDescriptor
|
|
|
763 |
|
|
|
764 |
TUsbcLangIdDescriptor::TUsbcLangIdDescriptor()
|
|
|
765 |
: iBuf(NULL)
|
|
|
766 |
{
|
|
|
767 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcLangIdDescriptor::TUsbcLangIdDescriptor()"));
|
|
|
768 |
}
|
|
|
769 |
|
|
|
770 |
|
|
|
771 |
TUsbcLangIdDescriptor::~TUsbcLangIdDescriptor()
|
|
|
772 |
{
|
|
|
773 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcLangIdDescriptor::~TUsbcLangIdDescriptor()"));
|
|
|
774 |
}
|
|
|
775 |
|
|
|
776 |
|
|
|
777 |
TUsbcLangIdDescriptor* TUsbcLangIdDescriptor::New(TUint16 aLangId)
|
|
|
778 |
{
|
|
|
779 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcLangIdDescriptor::New"));
|
|
|
780 |
TUsbcLangIdDescriptor* self = new TUsbcLangIdDescriptor();
|
|
|
781 |
if (self)
|
|
|
782 |
{
|
|
|
783 |
if (self->Construct(aLangId) != KErrNone)
|
|
|
784 |
{
|
|
|
785 |
delete self;
|
|
|
786 |
return NULL;
|
|
|
787 |
}
|
|
|
788 |
}
|
|
|
789 |
return self;
|
|
|
790 |
}
|
|
|
791 |
|
|
|
792 |
|
|
|
793 |
TInt TUsbcLangIdDescriptor::Construct(TUint16 aLangId)
|
|
|
794 |
{
|
|
|
795 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcLangIdDescriptor::Construct"));
|
|
|
796 |
iBuf.SetMax();
|
|
|
797 |
SetBufferPointer(iBuf);
|
|
|
798 |
iBufPtr[0] = LowByte(SWAP_BYTES_16(aLangId)); // Language ID value
|
|
|
799 |
iBufPtr[1] = HighByte(SWAP_BYTES_16(aLangId));
|
|
|
800 |
iSBuf.SetMax();
|
|
|
801 |
iSBuf[0] = iBuf.Size() + 2; // Bytes
|
|
|
802 |
iSBuf[1] = KUsbDescType_String;
|
|
|
803 |
return KErrNone;
|
|
|
804 |
}
|
|
|
805 |
|
|
|
806 |
|
|
|
807 |
// --- TUsbcDescriptorPool
|
|
|
808 |
|
|
|
809 |
TUsbcDescriptorPool::TUsbcDescriptorPool(TUint8* aEp0_TxBuf)
|
|
|
810 |
//
|
|
|
811 |
// The constructor for this class.
|
|
|
812 |
//
|
|
|
813 |
: iDescriptors(), iStrings(), iIfcIdx(0), iEp0_TxBuf(aEp0_TxBuf), iHighSpeed(EFalse)
|
|
|
814 |
{
|
|
|
815 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::TUsbcDescriptorPool()"));
|
|
|
816 |
}
|
|
|
817 |
|
|
|
818 |
|
|
|
819 |
TUsbcDescriptorPool::~TUsbcDescriptorPool()
|
|
|
820 |
{
|
|
|
821 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::~TUsbcDescriptorPool()"));
|
|
|
822 |
// The destructor of each <class T> object is called before the objects themselves are destroyed.
|
|
|
823 |
__KTRACE_OPT(KUSB, Kern::Printf(" iDescriptors.Count(): %d", iDescriptors.Count()));
|
|
|
824 |
iDescriptors.ResetAndDestroy();
|
|
|
825 |
__KTRACE_OPT(KUSB, Kern::Printf(" iStrings.Count(): %d", iStrings.Count()));
|
|
|
826 |
iStrings.ResetAndDestroy();
|
|
|
827 |
}
|
|
|
828 |
|
|
|
829 |
|
|
|
830 |
TInt TUsbcDescriptorPool::Init(TUsbcDeviceDescriptor* aDeviceDesc, TUsbcConfigDescriptor* aConfigDesc,
|
|
|
831 |
TUsbcLangIdDescriptor* aLangId, TUsbcStringDescriptor* aManufacturer,
|
|
|
832 |
TUsbcStringDescriptor* aProduct, TUsbcStringDescriptor* aSerialNum,
|
|
|
833 |
TUsbcStringDescriptor* aConfig, TUsbcOtgDescriptor* aOtgDesc)
|
|
|
834 |
{
|
|
|
835 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::Init()"));
|
|
|
836 |
if (!aDeviceDesc || !aConfigDesc)
|
|
|
837 |
{
|
|
|
838 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: No Device or Config descriptor specified"));
|
|
|
839 |
return KErrArgument;
|
|
|
840 |
}
|
|
|
841 |
for (TInt n = 0; n < KDescPosition_FirstAvailable; n++)
|
|
|
842 |
{
|
|
|
843 |
iDescriptors.Append(NULL);
|
|
|
844 |
}
|
|
|
845 |
__ASSERT_DEBUG((iDescriptors.Count() == KDescPosition_FirstAvailable),
|
|
|
846 |
Kern::Printf(" Error: iDescriptors.Count() (%d) != KDescPosition_FirstAvailable (%d)",
|
|
|
847 |
iDescriptors.Count(), KDescPosition_FirstAvailable));
|
|
|
848 |
iDescriptors[KDescPosition_Device] = aDeviceDesc;
|
|
|
849 |
iDescriptors[KDescPosition_Config] = aConfigDesc;
|
|
|
850 |
if (aOtgDesc)
|
|
|
851 |
{
|
|
|
852 |
iDescriptors[KDescPosition_Otg] = aOtgDesc;
|
|
|
853 |
// Update the config descriptor's wTotalLength field
|
|
|
854 |
UpdateConfigDescriptorLength(KUsbDescSize_Otg);
|
|
|
855 |
}
|
|
|
856 |
if (!aLangId)
|
|
|
857 |
{
|
|
|
858 |
// USB spec 9.6.7 says: "String index zero for all languages returns a string descriptor
|
|
|
859 |
// that contains an array of two-byte LANGID codes supported by the device. ...
|
|
|
860 |
// USB devices that omit all string descriptors must not return an array of LANGID codes."
|
|
|
861 |
// So if we have at least one string descriptor, we must also have a LANGID descriptor.
|
|
|
862 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: No LANGID string descriptor specified"));
|
|
|
863 |
return KErrArgument;
|
|
|
864 |
}
|
|
|
865 |
iStrings.Insert(aLangId, KStringPosition_Langid);
|
|
|
866 |
iStrings.Insert(aManufacturer, KStringPosition_Manufact);
|
|
|
867 |
iStrings.Insert(aProduct, KStringPosition_Product);
|
|
|
868 |
iStrings.Insert(aSerialNum, KStringPosition_Serial);
|
|
|
869 |
iStrings.Insert(aConfig, KStringPosition_Config);
|
|
|
870 |
__ASSERT_DEBUG((iStrings.Count() == 5),
|
|
|
871 |
Kern::Printf(" Error: iStrings.Count() != 5 (%d)", iStrings.Count()));
|
|
|
872 |
#ifdef _DEBUG
|
|
|
873 |
for (TInt i = KStringPosition_Langid; i <= KStringPosition_Config; i++)
|
|
|
874 |
{
|
|
|
875 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool.iStrings[%d] = 0x%x", i, iStrings[i]));
|
|
|
876 |
}
|
|
|
877 |
#endif
|
|
|
878 |
// Set string indices
|
|
|
879 |
if (aManufacturer)
|
|
|
880 |
iDescriptors[KDescPosition_Device]->SetByte(KUsbDescStringIndex_Manufact,
|
|
|
881 |
KStringPosition_Manufact);
|
|
|
882 |
if (aProduct)
|
|
|
883 |
iDescriptors[KDescPosition_Device]->SetByte(KUsbDescStringIndex_Product,
|
|
|
884 |
KStringPosition_Product);
|
|
|
885 |
if (aSerialNum)
|
|
|
886 |
iDescriptors[KDescPosition_Device]->SetByte(KUsbDescStringIndex_Serial,
|
|
|
887 |
KStringPosition_Serial);
|
|
|
888 |
if (aConfig)
|
|
|
889 |
iDescriptors[KDescPosition_Config]->SetByte(KUsbDescStringIndex_Config,
|
|
|
890 |
KStringPosition_Config);
|
|
|
891 |
return KErrNone;
|
|
|
892 |
}
|
|
|
893 |
|
|
|
894 |
|
|
|
895 |
TInt TUsbcDescriptorPool::InitHs()
|
|
|
896 |
{
|
|
|
897 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::InitHs()"));
|
|
|
898 |
__ASSERT_DEBUG((iDescriptors.Count() >= KDescPosition_FirstAvailable),
|
|
|
899 |
Kern::Printf(" Error: Call Init() first)"));
|
|
|
900 |
|
|
|
901 |
TUsbcDeviceQualifierDescriptor* const dq_desc = TUsbcDeviceQualifierDescriptor::New(
|
|
|
902 |
iDescriptors[KDescPosition_Device]->Byte(4), // aDeviceClass
|
|
|
903 |
iDescriptors[KDescPosition_Device]->Byte(5), // aDeviceSubClass
|
|
|
904 |
iDescriptors[KDescPosition_Device]->Byte(6), // aDeviceProtocol
|
|
|
905 |
iDescriptors[KDescPosition_Device]->Byte(7), // aMaxPacketSize0
|
|
|
906 |
iDescriptors[KDescPosition_Device]->Byte(17)); // aNumConfigurations
|
|
|
907 |
if (!dq_desc)
|
|
|
908 |
{
|
|
|
909 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Memory allocation for dev qualif desc failed."));
|
|
|
910 |
return KErrGeneral;
|
|
|
911 |
}
|
|
|
912 |
iDescriptors[KDescPosition_DeviceQualifier] = dq_desc;
|
|
|
913 |
|
|
|
914 |
TUsbcOtherSpeedConfigDescriptor* const osc_desc = TUsbcOtherSpeedConfigDescriptor::New(
|
|
|
915 |
iDescriptors[KDescPosition_Config]->Byte(5), // aConfigurationValue
|
|
|
916 |
iDescriptors[KDescPosition_Config]->Byte(7) & KUsbDevAttr_SelfPowered, // aSelfPowered
|
|
|
917 |
iDescriptors[KDescPosition_Config]->Byte(7) & KUsbDevAttr_RemoteWakeup, // aRemoteWakeup
|
|
|
918 |
iDescriptors[KDescPosition_Config]->Byte(8) * 2); // aMaxPower (mA)
|
|
|
919 |
if (!osc_desc)
|
|
|
920 |
{
|
|
|
921 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Memory allocation for other speed conf desc failed."));
|
|
|
922 |
return KErrGeneral;
|
|
|
923 |
}
|
|
|
924 |
|
|
|
925 |
// We need to set the bDescriptorType field manually, as that's the only one
|
|
|
926 |
// that differs from a Configuration descriptor.
|
|
|
927 |
osc_desc->SetByte(1, KUsbDescType_OtherSpeedConfig);
|
|
|
928 |
|
|
|
929 |
// Also, initially we set the iConfiguration string index to the same value as
|
|
|
930 |
// in the Configuration descriptor.
|
|
|
931 |
osc_desc->SetByte(KUsbDescStringIndex_Config,
|
|
|
932 |
iDescriptors[KDescPosition_Config]->Byte(KUsbDescStringIndex_Config));
|
|
|
933 |
|
|
|
934 |
iDescriptors[KDescPosition_OtherSpeedConfig] = osc_desc;
|
|
|
935 |
|
|
|
936 |
return KErrNone;
|
|
|
937 |
}
|
|
|
938 |
|
|
|
939 |
|
|
|
940 |
TInt TUsbcDescriptorPool::UpdateDescriptorsFs()
|
|
|
941 |
{
|
|
|
942 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::UpdateDescriptorsFs()"));
|
|
|
943 |
const TInt count = iDescriptors.Count();
|
|
|
944 |
for (TInt i = KDescPosition_FirstAvailable; i < count; i++)
|
|
|
945 |
{
|
|
|
946 |
TUsbcDescriptorBase* const ptr = iDescriptors[i];
|
|
|
947 |
ptr->UpdateFs();
|
|
|
948 |
}
|
|
|
949 |
iHighSpeed = EFalse;
|
|
|
950 |
return KErrNone;
|
|
|
951 |
}
|
|
|
952 |
|
|
|
953 |
|
|
|
954 |
TInt TUsbcDescriptorPool::UpdateDescriptorsHs()
|
|
|
955 |
{
|
|
|
956 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::UpdateDescriptorsHs()"));
|
|
|
957 |
const TInt count = iDescriptors.Count();
|
|
|
958 |
for (TInt i = KDescPosition_FirstAvailable; i < count; i++)
|
|
|
959 |
{
|
|
|
960 |
TUsbcDescriptorBase* const ptr = iDescriptors[i];
|
|
|
961 |
ptr->UpdateHs();
|
|
|
962 |
}
|
|
|
963 |
iHighSpeed = ETrue;
|
|
|
964 |
return KErrNone;
|
|
|
965 |
}
|
|
|
966 |
|
|
|
967 |
|
|
|
968 |
//
|
|
|
969 |
// An error can be indicated by either a return value != KErrNone or by a descriptor size == 0.
|
|
|
970 |
//
|
|
|
971 |
TInt TUsbcDescriptorPool::FindDescriptor(TUint8 aType, TUint8 aIndex, TUint16 aLangid, TInt& aSize) const
|
|
|
972 |
{
|
|
|
973 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::FindDescriptor()"));
|
|
|
974 |
TInt result = KErrGeneral;
|
|
|
975 |
switch (aType)
|
|
|
976 |
{
|
|
|
977 |
case KUsbDescType_Device:
|
|
|
978 |
if (aLangid != 0)
|
|
|
979 |
{
|
|
|
980 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bad langid: 0x%04x", aLangid));
|
|
|
981 |
}
|
|
|
982 |
else if (aIndex > 0)
|
|
|
983 |
{
|
|
|
984 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bad device index: %d", aIndex));
|
|
|
985 |
}
|
|
|
986 |
else
|
|
|
987 |
{
|
|
|
988 |
aSize = GetDeviceDescriptor(KDescPosition_Device);
|
|
|
989 |
result = KErrNone;
|
|
|
990 |
}
|
|
|
991 |
break;
|
|
|
992 |
case KUsbDescType_Config:
|
|
|
993 |
if (aLangid != 0)
|
|
|
994 |
{
|
|
|
995 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bad langid: 0x%04x", aLangid));
|
|
|
996 |
}
|
|
|
997 |
else if (aIndex > 0)
|
|
|
998 |
{
|
|
|
999 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bad config index: %d", aIndex));
|
|
|
1000 |
}
|
|
|
1001 |
else
|
|
|
1002 |
{
|
|
|
1003 |
aSize = GetConfigurationDescriptor(KDescPosition_Config);
|
|
|
1004 |
result = KErrNone;
|
|
|
1005 |
}
|
|
|
1006 |
break;
|
|
|
1007 |
case KUsbDescType_DeviceQualifier:
|
|
|
1008 |
if (aLangid != 0)
|
|
|
1009 |
{
|
|
|
1010 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bad langid: 0x%04x", aLangid));
|
|
|
1011 |
}
|
|
|
1012 |
else if (aIndex > 0)
|
|
|
1013 |
{
|
|
|
1014 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bad device index: %d", aIndex));
|
|
|
1015 |
}
|
|
|
1016 |
else
|
|
|
1017 |
{
|
|
|
1018 |
aSize = GetDeviceDescriptor(KDescPosition_DeviceQualifier);
|
|
|
1019 |
result = KErrNone;
|
|
|
1020 |
}
|
|
|
1021 |
break;
|
|
|
1022 |
case KUsbDescType_OtherSpeedConfig:
|
|
|
1023 |
if (aLangid != 0)
|
|
|
1024 |
{
|
|
|
1025 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bad langid: 0x%04x", aLangid));
|
|
|
1026 |
}
|
|
|
1027 |
else if (aIndex > 0)
|
|
|
1028 |
{
|
|
|
1029 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bad config index: %d", aIndex));
|
|
|
1030 |
}
|
|
|
1031 |
else
|
|
|
1032 |
{
|
|
|
1033 |
aSize = GetConfigurationDescriptor(KDescPosition_OtherSpeedConfig);
|
|
|
1034 |
result = KErrNone;
|
|
|
1035 |
}
|
|
|
1036 |
break;
|
|
|
1037 |
case KUsbDescType_Otg:
|
|
|
1038 |
aSize = GetOtgDescriptor();
|
|
|
1039 |
result = KErrNone;
|
|
|
1040 |
break;
|
|
|
1041 |
case KUsbDescType_String:
|
|
|
1042 |
if (aIndex == 0) // 0 addresses the LangId array
|
|
|
1043 |
{
|
|
|
1044 |
if (AnyStringDescriptors())
|
|
|
1045 |
{
|
|
|
1046 |
aSize = GetStringDescriptor(aIndex);
|
|
|
1047 |
result = KErrNone;
|
|
|
1048 |
}
|
|
|
1049 |
else
|
|
|
1050 |
{
|
|
|
1051 |
__KTRACE_OPT(KUSB, Kern::Printf(" No string descriptors: not returning LANGID array"));
|
|
|
1052 |
}
|
|
|
1053 |
}
|
|
|
1054 |
else
|
|
|
1055 |
{
|
|
|
1056 |
if (!aLangid)
|
|
|
1057 |
{
|
|
|
1058 |
__KTRACE_OPT(KUSB,
|
|
|
1059 |
Kern::Printf(" Strange: LANGID=0 for a $ descriptor (ignoring LANGID)"));
|
|
|
1060 |
// The USB spec doesn't really say what to do in this case, but as there are host apps
|
|
|
1061 |
// that fail if we return an error here, we choose to ignore the issue.
|
|
|
1062 |
}
|
|
|
1063 |
else if (aLangid != iStrings[KStringPosition_Langid]->Word(2))
|
|
|
1064 |
{
|
|
|
1065 |
// We have only one (this) language
|
|
|
1066 |
__KTRACE_OPT(KUSB,
|
|
|
1067 |
Kern::Printf(" Bad LANGID: 0x%04X requested, 0x%04X supported (ignoring LANGID)",
|
|
|
1068 |
aLangid, iStrings[KStringPosition_Langid]->Word(2)));
|
|
|
1069 |
// We could return an error here, but rather choose to ignore the discrepancy
|
|
|
1070 |
// (the USB spec is not very clear what to do in such a case anyway).
|
|
|
1071 |
}
|
|
|
1072 |
aSize = GetStringDescriptor(aIndex);
|
|
|
1073 |
result = KErrNone;
|
|
|
1074 |
}
|
|
|
1075 |
break;
|
|
|
1076 |
case KUsbDescType_CS_Interface:
|
|
|
1077 |
/* fall through */
|
|
|
1078 |
case KUsbDescType_CS_Endpoint:
|
|
|
1079 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: finding of class specific descriptors not supported"));
|
|
|
1080 |
break;
|
|
|
1081 |
default:
|
|
|
1082 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: unknown descriptor type requested: %d", aType));
|
|
|
1083 |
break;
|
|
|
1084 |
}
|
|
|
1085 |
return result;
|
|
|
1086 |
}
|
|
|
1087 |
|
|
|
1088 |
|
|
|
1089 |
void TUsbcDescriptorPool::InsertDescriptor(TUsbcDescriptorBase* aDesc)
|
|
|
1090 |
{
|
|
|
1091 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::InsertDescriptor()"));
|
|
|
1092 |
switch (aDesc->Type())
|
|
|
1093 |
{
|
|
|
1094 |
case KUsbDescType_Interface:
|
|
|
1095 |
InsertIfcDesc(aDesc);
|
|
|
1096 |
break;
|
|
|
1097 |
case KUsbDescType_Endpoint:
|
|
|
1098 |
InsertEpDesc(aDesc);
|
|
|
1099 |
break;
|
|
|
1100 |
default:
|
|
|
1101 |
__KTRACE_OPT(KUSB, Kern::Printf(" Error: unsupported descriptor type"));
|
|
|
1102 |
}
|
|
|
1103 |
}
|
|
|
1104 |
|
|
|
1105 |
|
|
|
1106 |
void TUsbcDescriptorPool::SetIfcStringDescriptor(TUsbcStringDescriptor* aDesc, TInt aNumber, TInt aSetting)
|
|
|
1107 |
{
|
|
|
1108 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetIfcDescriptor(%d, %d)", aNumber, aSetting));
|
|
|
1109 |
const TInt i = FindIfcDescriptor(aNumber, aSetting);
|
|
|
1110 |
if (i < 0)
|
|
|
1111 |
{
|
|
|
1112 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Ifc descriptor not found (%d, %d)",
|
|
|
1113 |
aNumber, aSetting));
|
|
|
1114 |
return;
|
|
|
1115 |
}
|
|
|
1116 |
// Try to find available NULL postition
|
|
|
1117 |
TInt str_idx = FindAvailableStringPos();
|
|
|
1118 |
if (str_idx >= 0)
|
|
|
1119 |
{
|
|
|
1120 |
// Insert string descriptor for specified interface
|
|
|
1121 |
ExchangeStringDescriptor(str_idx, aDesc);
|
|
|
1122 |
}
|
|
|
1123 |
else
|
|
|
1124 |
{
|
|
|
1125 |
// No NULL found - expand array
|
|
|
1126 |
str_idx = iStrings.Count();
|
|
|
1127 |
if (str_idx > 0xff)
|
|
|
1128 |
{
|
|
|
1129 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: $ descriptor array full (idx=%d)", str_idx));
|
|
|
1130 |
return;
|
|
|
1131 |
}
|
|
|
1132 |
while (str_idx < KStringPosition_FirstAvailable)
|
|
|
1133 |
{
|
|
|
1134 |
iStrings.Append(NULL);
|
|
|
1135 |
str_idx = iStrings.Count();
|
|
|
1136 |
}
|
|
|
1137 |
// Append string descriptor for specified interface
|
|
|
1138 |
iStrings.Append(aDesc);
|
|
|
1139 |
}
|
|
|
1140 |
// Update this ifc descriptor's string index field
|
|
|
1141 |
iDescriptors[i]->SetByte(8, str_idx);
|
|
|
1142 |
__KTRACE_OPT(KUSB, Kern::Printf(" String for ifc %d/%d (@ pos %d): \"%S\"", aNumber, aSetting, str_idx,
|
|
|
1143 |
&iStrings[str_idx]->StringData()));
|
|
|
1144 |
}
|
|
|
1145 |
|
|
|
1146 |
|
|
|
1147 |
void TUsbcDescriptorPool::DeleteIfcDescriptor(TInt aNumber, TInt aSetting)
|
|
|
1148 |
{
|
|
|
1149 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::DeleteIfcDescriptor(%d, %d)", aNumber, aSetting));
|
|
|
1150 |
const TInt i = FindIfcDescriptor(aNumber, aSetting);
|
|
|
1151 |
if (i < 0)
|
|
|
1152 |
{
|
|
|
1153 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: DeleteIfcDescriptor - descriptor not found (%d, %d)",
|
|
|
1154 |
aNumber, aSetting));
|
|
|
1155 |
return;
|
|
|
1156 |
}
|
|
|
1157 |
// Delete (if necessary) specified interface's string descriptor
|
|
|
1158 |
const TInt si = iDescriptors[i]->Byte(8);
|
|
|
1159 |
if (si != 0)
|
|
|
1160 |
{
|
|
|
1161 |
ExchangeStringDescriptor(si, NULL);
|
|
|
1162 |
}
|
|
|
1163 |
// Delete specified ifc setting + all its cs descriptors + all its endpoints + all their cs descriptors:
|
|
|
1164 |
// find position of the next interface descriptor: we need to delete everything in between
|
|
|
1165 |
const TInt count = iDescriptors.Count();
|
|
|
1166 |
TInt j = i, n = 1;
|
|
|
1167 |
while (++j < count && iDescriptors[j]->Type() != KUsbDescType_Interface)
|
|
|
1168 |
++n;
|
|
|
1169 |
DeleteDescriptors(i, n);
|
|
|
1170 |
// Update all the following interfaces' bInterfaceNumber field if required
|
|
|
1171 |
// (because those descriptors might have moved down by one position)
|
|
|
1172 |
UpdateIfcNumbers(aNumber);
|
|
|
1173 |
iIfcIdx = 0; // ifc index no longer valid
|
|
|
1174 |
}
|
|
|
1175 |
|
|
|
1176 |
|
|
|
1177 |
// The TC in many of the following functions stands for 'ThreadCopy',
|
|
|
1178 |
// because that's what's happening there.
|
|
|
1179 |
|
|
|
1180 |
TInt TUsbcDescriptorPool::GetDeviceDescriptorTC(DThread* aThread, TDes8& aBuffer) const
|
|
|
1181 |
{
|
|
|
1182 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetDeviceDescriptorTC()"));
|
|
|
1183 |
return Kern::ThreadDesWrite(aThread, &aBuffer, iDescriptors[KDescPosition_Device]->DescriptorData(), 0);
|
|
|
1184 |
}
|
|
|
1185 |
|
|
|
1186 |
|
|
|
1187 |
TInt TUsbcDescriptorPool::SetDeviceDescriptorTC(DThread* aThread, const TDes8& aBuffer)
|
|
|
1188 |
{
|
|
|
1189 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetDeviceDescriptorTC()"));
|
|
|
1190 |
TBuf8<KUsbDescSize_Device> device;
|
|
|
1191 |
const TInt r = Kern::ThreadDesRead(aThread, &aBuffer, device, 0);
|
|
|
1192 |
if (r != KErrNone)
|
|
|
1193 |
{
|
|
|
1194 |
return r;
|
|
|
1195 |
}
|
|
|
1196 |
iDescriptors[KDescPosition_Device]->SetByte(2, device[2]); // bcdUSB
|
|
|
1197 |
iDescriptors[KDescPosition_Device]->SetByte(3, device[3]); // bcdUSB (part II)
|
|
|
1198 |
iDescriptors[KDescPosition_Device]->SetByte(4, device[4]); // bDeviceClass
|
|
|
1199 |
iDescriptors[KDescPosition_Device]->SetByte(5, device[5]); // bDeviceSubClass
|
|
|
1200 |
iDescriptors[KDescPosition_Device]->SetByte(6, device[6]); // bDeviceProtocol
|
|
|
1201 |
iDescriptors[KDescPosition_Device]->SetByte(8, device[8]); // idVendor
|
|
|
1202 |
iDescriptors[KDescPosition_Device]->SetByte(9, device[9]); // idVendor (part II)
|
|
|
1203 |
iDescriptors[KDescPosition_Device]->SetByte(10, device[10]); // idProduct
|
|
|
1204 |
iDescriptors[KDescPosition_Device]->SetByte(11, device[11]); // idProduct (part II)
|
|
|
1205 |
iDescriptors[KDescPosition_Device]->SetByte(12, device[12]); // bcdDevice
|
|
|
1206 |
iDescriptors[KDescPosition_Device]->SetByte(13, device[13]); // bcdDevice (part II)
|
|
|
1207 |
return KErrNone;
|
|
|
1208 |
}
|
|
|
1209 |
|
|
|
1210 |
|
|
|
1211 |
TInt TUsbcDescriptorPool::GetConfigurationDescriptorTC(DThread* aThread, TDes8& aBuffer) const
|
|
|
1212 |
{
|
|
|
1213 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetConfigurationDescriptorTC()"));
|
|
|
1214 |
return Kern::ThreadDesWrite(aThread, &aBuffer, iDescriptors[KDescPosition_Config]->DescriptorData(), 0);
|
|
|
1215 |
}
|
|
|
1216 |
|
|
|
1217 |
|
|
|
1218 |
TInt TUsbcDescriptorPool::SetConfigurationDescriptorTC(DThread* aThread, const TDes8& aBuffer)
|
|
|
1219 |
{
|
|
|
1220 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetConfigurationDescriptorTC()"));
|
|
|
1221 |
TBuf8<KUsbDescSize_Config> config;
|
|
|
1222 |
const TInt r = Kern::ThreadDesRead(aThread, &aBuffer, config, 0);
|
|
|
1223 |
if (r != KErrNone)
|
|
|
1224 |
{
|
|
|
1225 |
return r;
|
|
|
1226 |
}
|
|
|
1227 |
iDescriptors[KDescPosition_Config]->SetByte(7, config[7]); // bmAttributes
|
|
|
1228 |
iDescriptors[KDescPosition_Config]->SetByte(8, config[8]); // bMaxPower
|
|
|
1229 |
return KErrNone;
|
|
|
1230 |
}
|
|
|
1231 |
|
|
|
1232 |
|
|
|
1233 |
TInt TUsbcDescriptorPool::GetOtgDescriptorTC(DThread* aThread, TDes8& aBuffer) const
|
|
|
1234 |
{
|
|
|
1235 |
return Kern::ThreadDesWrite(aThread, &aBuffer, iDescriptors[KDescPosition_Otg]->DescriptorData(), 0);
|
|
|
1236 |
}
|
|
|
1237 |
|
|
|
1238 |
|
|
|
1239 |
TInt TUsbcDescriptorPool::SetOtgDescriptor(const TDesC8& aBuffer)
|
|
|
1240 |
{
|
|
|
1241 |
iDescriptors[KDescPosition_Otg]->SetByte(2, aBuffer[2]); // bmAttributes
|
|
|
1242 |
return KErrNone;
|
|
|
1243 |
}
|
|
|
1244 |
|
|
|
1245 |
|
|
|
1246 |
TInt TUsbcDescriptorPool::GetInterfaceDescriptorTC(DThread* aThread, TDes8& aBuffer,
|
|
|
1247 |
TInt aInterface, TInt aSetting) const
|
|
|
1248 |
{
|
|
|
1249 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetInterfaceDescriptorTC()"));
|
|
|
1250 |
const TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
1251 |
if (i < 0)
|
|
|
1252 |
{
|
|
|
1253 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such interface"));
|
|
|
1254 |
return KErrNotFound;
|
|
|
1255 |
}
|
|
|
1256 |
return Kern::ThreadDesWrite(aThread, &aBuffer, iDescriptors[i]->DescriptorData(), 0);
|
|
|
1257 |
}
|
|
|
1258 |
|
|
|
1259 |
|
|
|
1260 |
TInt TUsbcDescriptorPool::SetInterfaceDescriptor(const TDes8& aBuffer, TInt aInterface, TInt aSetting)
|
|
|
1261 |
{
|
|
|
1262 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetInterfaceDescriptor()"));
|
|
|
1263 |
const TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
1264 |
if (i < 0)
|
|
|
1265 |
{
|
|
|
1266 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such interface"));
|
|
|
1267 |
return KErrNotFound;
|
|
|
1268 |
}
|
|
|
1269 |
iDescriptors[i]->SetByte(2, aBuffer[2]); // bInterfaceNumber
|
|
|
1270 |
iDescriptors[i]->SetByte(5, aBuffer[5]); // bInterfaceClass
|
|
|
1271 |
iDescriptors[i]->SetByte(6, aBuffer[6]); // bInterfaceSubClass
|
|
|
1272 |
iDescriptors[i]->SetByte(7, aBuffer[7]); // bInterfaceProtocol
|
|
|
1273 |
return KErrNone;
|
|
|
1274 |
}
|
|
|
1275 |
|
|
|
1276 |
|
|
|
1277 |
TInt TUsbcDescriptorPool::GetEndpointDescriptorTC(DThread* aThread, TDes8& aBuffer,
|
|
|
1278 |
TInt aInterface, TInt aSetting, TUint8 aEndpointAddress) const
|
|
|
1279 |
{
|
|
|
1280 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetEndpointDescriptorTC()"));
|
|
|
1281 |
const TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
1282 |
if (i < 0)
|
|
|
1283 |
{
|
|
|
1284 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such endpoint"));
|
|
|
1285 |
return KErrNotFound;
|
|
|
1286 |
}
|
|
|
1287 |
return Kern::ThreadDesWrite(aThread, &aBuffer, iDescriptors[i]->DescriptorData(), 0);
|
|
|
1288 |
}
|
|
|
1289 |
|
|
|
1290 |
|
|
|
1291 |
TInt TUsbcDescriptorPool::SetEndpointDescriptorTC(DThread* aThread, const TDes8& aBuffer,
|
|
|
1292 |
TInt aInterface, TInt aSetting, TUint8 aEndpointAddress)
|
|
|
1293 |
{
|
|
|
1294 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetEndpointDescriptorTC()"));
|
|
|
1295 |
const TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
1296 |
if (i < 0)
|
|
|
1297 |
{
|
|
|
1298 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such endpoint"));
|
|
|
1299 |
return KErrNotFound;
|
|
|
1300 |
}
|
|
|
1301 |
TBuf8<KUsbDescSize_AudioEndpoint> ep; // it could be an audio endpoint
|
|
|
1302 |
const TInt r = Kern::ThreadDesRead(aThread, &aBuffer, ep, 0);
|
|
|
1303 |
if (r != KErrNone)
|
|
|
1304 |
{
|
|
|
1305 |
return r;
|
|
|
1306 |
}
|
|
|
1307 |
iDescriptors[i]->SetByte(3, ep[3]); // bmAttributes
|
|
|
1308 |
iDescriptors[i]->SetByte(6, ep[6]); // bInterval
|
|
|
1309 |
if (iDescriptors[i]->Size() == KUsbDescSize_AudioEndpoint)
|
|
|
1310 |
{
|
|
|
1311 |
iDescriptors[i]->SetByte(7, ep[7]); // bRefresh
|
|
|
1312 |
iDescriptors[i]->SetByte(8, ep[8]); // bSynchAddress
|
|
|
1313 |
}
|
|
|
1314 |
return KErrNone;
|
|
|
1315 |
}
|
|
|
1316 |
|
|
|
1317 |
|
|
|
1318 |
TInt TUsbcDescriptorPool::GetEndpointDescriptorSize(TInt aInterface, TInt aSetting, TUint8 aEndpointAddress,
|
|
|
1319 |
TInt& aSize) const
|
|
|
1320 |
{
|
|
|
1321 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetEndpointDescriptorSize()"));
|
|
|
1322 |
const TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
1323 |
if (i < 0)
|
|
|
1324 |
{
|
|
|
1325 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such endpoint"));
|
|
|
1326 |
return KErrNotFound;
|
|
|
1327 |
}
|
|
|
1328 |
aSize = iDescriptors[i]->Size();
|
|
|
1329 |
return KErrNone;
|
|
|
1330 |
}
|
|
|
1331 |
|
|
|
1332 |
|
|
|
1333 |
TInt TUsbcDescriptorPool::GetDeviceQualifierDescriptorTC(DThread* aThread, TDes8& aBuffer) const
|
|
|
1334 |
{
|
|
|
1335 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetDeviceQualifierDescriptorTC()"));
|
|
|
1336 |
if (iDescriptors[KDescPosition_DeviceQualifier] == NULL)
|
|
|
1337 |
{
|
|
|
1338 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: Device_Qualifier descriptor not supported"));
|
|
|
1339 |
return KErrNotSupported;
|
|
|
1340 |
}
|
|
|
1341 |
return Kern::ThreadDesWrite(aThread, &aBuffer,
|
|
|
1342 |
iDescriptors[KDescPosition_DeviceQualifier]->DescriptorData(), 0);
|
|
|
1343 |
}
|
|
|
1344 |
|
|
|
1345 |
|
|
|
1346 |
TInt TUsbcDescriptorPool::SetDeviceQualifierDescriptorTC(DThread* aThread, const TDes8& aBuffer)
|
|
|
1347 |
{
|
|
|
1348 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetDeviceQualifierDescriptorTC()"));
|
|
|
1349 |
if (iDescriptors[KDescPosition_DeviceQualifier] == NULL)
|
|
|
1350 |
{
|
|
|
1351 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: Device_Qualifier descriptor not supported"));
|
|
|
1352 |
return KErrNotSupported;
|
|
|
1353 |
}
|
|
|
1354 |
TBuf8<KUsbDescSize_DeviceQualifier> device;
|
|
|
1355 |
const TInt r = Kern::ThreadDesRead(aThread, &aBuffer, device, 0);
|
|
|
1356 |
if (r != KErrNone)
|
|
|
1357 |
{
|
|
|
1358 |
return r;
|
|
|
1359 |
}
|
|
|
1360 |
iDescriptors[KDescPosition_DeviceQualifier]->SetByte(2, device[2]); // bcdUSB
|
|
|
1361 |
iDescriptors[KDescPosition_DeviceQualifier]->SetByte(3, device[3]); // bcdUSB (part II)
|
|
|
1362 |
iDescriptors[KDescPosition_DeviceQualifier]->SetByte(4, device[4]); // bDeviceClass
|
|
|
1363 |
iDescriptors[KDescPosition_DeviceQualifier]->SetByte(5, device[5]); // bDeviceSubClass
|
|
|
1364 |
iDescriptors[KDescPosition_DeviceQualifier]->SetByte(6, device[6]); // bDeviceProtocol
|
|
|
1365 |
return KErrNone;
|
|
|
1366 |
}
|
|
|
1367 |
|
|
|
1368 |
|
|
|
1369 |
TInt TUsbcDescriptorPool::GetOtherSpeedConfigurationDescriptorTC(DThread* aThread, TDes8& aBuffer) const
|
|
|
1370 |
{
|
|
|
1371 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetOtherSpeedConfigurationDescriptorTC()"));
|
|
|
1372 |
if (iDescriptors[KDescPosition_OtherSpeedConfig] == NULL)
|
|
|
1373 |
{
|
|
|
1374 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: Other_Speed_Configuration descriptor not supported"));
|
|
|
1375 |
return KErrNotSupported;
|
|
|
1376 |
}
|
|
|
1377 |
return Kern::ThreadDesWrite(aThread, &aBuffer,
|
|
|
1378 |
iDescriptors[KDescPosition_OtherSpeedConfig]->DescriptorData(), 0);
|
|
|
1379 |
}
|
|
|
1380 |
|
|
|
1381 |
|
|
|
1382 |
TInt TUsbcDescriptorPool::SetOtherSpeedConfigurationDescriptorTC(DThread* aThread, const TDes8& aBuffer)
|
|
|
1383 |
{
|
|
|
1384 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetOtherSpeedConfigurationDescriptorTC()"));
|
|
|
1385 |
if (iDescriptors[KDescPosition_OtherSpeedConfig] == NULL)
|
|
|
1386 |
{
|
|
|
1387 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: Other_Speed_Configuration descriptor not supported"));
|
|
|
1388 |
return KErrNotSupported;
|
|
|
1389 |
}
|
|
|
1390 |
TBuf8<KUsbDescSize_OtherSpeedConfig> config;
|
|
|
1391 |
const TInt r = Kern::ThreadDesRead(aThread, &aBuffer, config, 0);
|
|
|
1392 |
if (r != KErrNone)
|
|
|
1393 |
{
|
|
|
1394 |
return r;
|
|
|
1395 |
}
|
|
|
1396 |
iDescriptors[KDescPosition_OtherSpeedConfig]->SetByte(7, config[7]); // bmAttributes
|
|
|
1397 |
iDescriptors[KDescPosition_OtherSpeedConfig]->SetByte(8, config[8]); // bMaxPower
|
|
|
1398 |
return KErrNone;
|
|
|
1399 |
}
|
|
|
1400 |
|
|
|
1401 |
|
|
|
1402 |
TInt TUsbcDescriptorPool::GetCSInterfaceDescriptorTC(DThread* aThread, TDes8& aBuffer,
|
|
|
1403 |
TInt aInterface, TInt aSetting) const
|
|
|
1404 |
{
|
|
|
1405 |
// first find the interface
|
|
|
1406 |
TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
1407 |
if (i < 0)
|
|
|
1408 |
{
|
|
|
1409 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such interface"));
|
|
|
1410 |
return KErrNotFound;
|
|
|
1411 |
}
|
|
|
1412 |
TInt r = KErrNotFound;
|
|
|
1413 |
TInt offset = 0;
|
|
|
1414 |
const TInt count = iDescriptors.Count();
|
|
|
1415 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Interface)
|
|
|
1416 |
{
|
|
|
1417 |
r = Kern::ThreadDesWrite(aThread, &aBuffer,
|
|
|
1418 |
iDescriptors[i]->DescriptorData(), offset);
|
|
|
1419 |
if (r != KErrNone)
|
|
|
1420 |
break;
|
|
|
1421 |
offset += iDescriptors[i]->Size();
|
|
|
1422 |
}
|
|
|
1423 |
return r;
|
|
|
1424 |
}
|
|
|
1425 |
|
|
|
1426 |
|
|
|
1427 |
TInt TUsbcDescriptorPool::SetCSInterfaceDescriptorTC(DThread* aThread, const TDes8& aBuffer,
|
|
|
1428 |
TInt aInterface, TInt aSetting, TInt aSize)
|
|
|
1429 |
{
|
|
|
1430 |
// First find the interface
|
|
|
1431 |
TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
1432 |
if (i < 0)
|
|
|
1433 |
{
|
|
|
1434 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such interface"));
|
|
|
1435 |
return KErrNotFound;
|
|
|
1436 |
}
|
|
|
1437 |
// Find a position where to insert the new class specific interface descriptor(s)
|
|
|
1438 |
const TInt count = iDescriptors.Count();
|
|
|
1439 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Interface)
|
|
|
1440 |
;
|
|
|
1441 |
// Create a new cs descriptor
|
|
|
1442 |
TUsbcClassSpecificDescriptor* desc = TUsbcClassSpecificDescriptor::New(KUsbDescType_CS_Interface, aSize);
|
|
|
1443 |
if (!desc)
|
|
|
1444 |
{
|
|
|
1445 |
return KErrNoMemory;
|
|
|
1446 |
}
|
|
|
1447 |
__KTRACE_OPT(KUSB, Kern::Printf(" inserting descriptor at position %d", i));
|
|
|
1448 |
iDescriptors.Insert(desc, i);
|
|
|
1449 |
|
|
|
1450 |
// Update the config descriptor's wTotalLength field
|
|
|
1451 |
UpdateConfigDescriptorLength(aSize);
|
|
|
1452 |
|
|
|
1453 |
// Copy contents from the user side
|
|
|
1454 |
return Kern::ThreadDesRead(aThread, &aBuffer, iDescriptors[i]->DescriptorData(), 0);
|
|
|
1455 |
}
|
|
|
1456 |
|
|
|
1457 |
|
|
|
1458 |
TInt TUsbcDescriptorPool::GetCSInterfaceDescriptorSize(TInt aInterface, TInt aSetting, TInt& aSize) const
|
|
|
1459 |
{
|
|
|
1460 |
// first find the interface
|
|
|
1461 |
TInt i = FindIfcDescriptor(aInterface, aSetting);
|
|
|
1462 |
if (i < 0)
|
|
|
1463 |
{
|
|
|
1464 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such interface"));
|
|
|
1465 |
return KErrNotFound;
|
|
|
1466 |
}
|
|
|
1467 |
TInt r = KErrNotFound;
|
|
|
1468 |
TInt size = 0;
|
|
|
1469 |
const TInt count = iDescriptors.Count();
|
|
|
1470 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Interface)
|
|
|
1471 |
{
|
|
|
1472 |
size += iDescriptors[i]->Size();
|
|
|
1473 |
r = KErrNone;
|
|
|
1474 |
}
|
|
|
1475 |
if (r == KErrNone)
|
|
|
1476 |
aSize = size;
|
|
|
1477 |
return r;
|
|
|
1478 |
}
|
|
|
1479 |
|
|
|
1480 |
|
|
|
1481 |
TInt TUsbcDescriptorPool::GetCSEndpointDescriptorTC(DThread* aThread, TDes8& aBuffer, TInt aInterface,
|
|
|
1482 |
TInt aSetting, TUint8 aEndpointAddress) const
|
|
|
1483 |
{
|
|
|
1484 |
// first find the endpoint
|
|
|
1485 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
1486 |
if (i < 0)
|
|
|
1487 |
{
|
|
|
1488 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such endpoint"));
|
|
|
1489 |
return KErrNotFound;
|
|
|
1490 |
}
|
|
|
1491 |
TInt r = KErrNotFound;
|
|
|
1492 |
TInt offset = 0;
|
|
|
1493 |
const TInt count = iDescriptors.Count();
|
|
|
1494 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Endpoint)
|
|
|
1495 |
{
|
|
|
1496 |
r = Kern::ThreadDesWrite(aThread, &aBuffer,
|
|
|
1497 |
iDescriptors[i]->DescriptorData(), offset);
|
|
|
1498 |
if (r != KErrNone)
|
|
|
1499 |
break;
|
|
|
1500 |
offset += iDescriptors[i]->Size();
|
|
|
1501 |
}
|
|
|
1502 |
return r;
|
|
|
1503 |
}
|
|
|
1504 |
|
|
|
1505 |
|
|
|
1506 |
TInt TUsbcDescriptorPool::SetCSEndpointDescriptorTC(DThread* aThread, const TDes8& aBuffer, TInt aInterface,
|
|
|
1507 |
TInt aSetting, TUint8 aEndpointAddress, TInt aSize)
|
|
|
1508 |
{
|
|
|
1509 |
// first find the endpoint
|
|
|
1510 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
1511 |
if (i < 0)
|
|
|
1512 |
{
|
|
|
1513 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such endpoint"));
|
|
|
1514 |
return KErrNotFound;
|
|
|
1515 |
}
|
|
|
1516 |
// find a position where to insert the new class specific endpoint descriptor(s)
|
|
|
1517 |
const TInt count = iDescriptors.Count();
|
|
|
1518 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Endpoint)
|
|
|
1519 |
;
|
|
|
1520 |
// create a new cs descriptor
|
|
|
1521 |
TUsbcClassSpecificDescriptor* desc = TUsbcClassSpecificDescriptor::New(KUsbDescType_CS_Endpoint, aSize);
|
|
|
1522 |
if (!desc)
|
|
|
1523 |
{
|
|
|
1524 |
return KErrNoMemory;
|
|
|
1525 |
}
|
|
|
1526 |
iDescriptors.Insert(desc, i);
|
|
|
1527 |
// update the config descriptor's wTotalLength field
|
|
|
1528 |
UpdateConfigDescriptorLength(aSize);
|
|
|
1529 |
// copy contents from user side
|
|
|
1530 |
return Kern::ThreadDesRead(aThread, &aBuffer, iDescriptors[i]->DescriptorData(), 0);
|
|
|
1531 |
}
|
|
|
1532 |
|
|
|
1533 |
|
|
|
1534 |
TInt TUsbcDescriptorPool::GetCSEndpointDescriptorSize(TInt aInterface, TInt aSetting,
|
|
|
1535 |
TUint8 aEndpointAddress, TInt& aSize) const
|
|
|
1536 |
{
|
|
|
1537 |
// first find the endpoint
|
|
|
1538 |
TInt i = FindEpDescriptor(aInterface, aSetting, aEndpointAddress);
|
|
|
1539 |
if (i < 0)
|
|
|
1540 |
{
|
|
|
1541 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such endpoint"));
|
|
|
1542 |
return KErrNotFound;
|
|
|
1543 |
}
|
|
|
1544 |
TInt r = KErrNotFound;
|
|
|
1545 |
TInt size = 0;
|
|
|
1546 |
const TInt count = iDescriptors.Count();
|
|
|
1547 |
while (++i < count && iDescriptors[i]->Type() == KUsbDescType_CS_Endpoint)
|
|
|
1548 |
{
|
|
|
1549 |
size += iDescriptors[i]->Size();
|
|
|
1550 |
r = KErrNone;
|
|
|
1551 |
}
|
|
|
1552 |
if (r == KErrNone)
|
|
|
1553 |
aSize = size;
|
|
|
1554 |
return r;
|
|
|
1555 |
}
|
|
|
1556 |
|
|
|
1557 |
|
|
|
1558 |
TInt TUsbcDescriptorPool::GetStringDescriptorLangIdTC(DThread* aThread, TDes8& aLangId) const
|
|
|
1559 |
{
|
|
|
1560 |
const TUint16 id = iStrings[KStringPosition_Langid]->Word(2);
|
|
|
1561 |
const TPtrC8 id_des(reinterpret_cast<const TUint8*>(&id), sizeof(id));
|
|
|
1562 |
return Kern::ThreadDesWrite(aThread, &aLangId, id_des, 0);
|
|
|
1563 |
}
|
|
|
1564 |
|
|
|
1565 |
|
|
|
1566 |
TInt TUsbcDescriptorPool::SetStringDescriptorLangId(TUint16 aLangId)
|
|
|
1567 |
{
|
|
|
1568 |
iStrings[KStringPosition_Langid]->SetWord(2, aLangId);
|
|
|
1569 |
return KErrNone;
|
|
|
1570 |
}
|
|
|
1571 |
|
|
|
1572 |
|
|
|
1573 |
TInt TUsbcDescriptorPool::GetManufacturerStringDescriptorTC(DThread* aThread, TDes8& aString) const
|
|
|
1574 |
{
|
|
|
1575 |
return GetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Manufact,
|
|
|
1576 |
KStringPosition_Manufact);
|
|
|
1577 |
}
|
|
|
1578 |
|
|
|
1579 |
|
|
|
1580 |
TInt TUsbcDescriptorPool::SetManufacturerStringDescriptorTC(DThread* aThread, const TDes8& aString)
|
|
|
1581 |
{
|
|
|
1582 |
return SetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Manufact,
|
|
|
1583 |
KStringPosition_Manufact);
|
|
|
1584 |
}
|
|
|
1585 |
|
|
|
1586 |
|
|
|
1587 |
TInt TUsbcDescriptorPool::RemoveManufacturerStringDescriptor()
|
|
|
1588 |
{
|
|
|
1589 |
return RemoveDeviceStringDescriptor(KUsbDescStringIndex_Manufact, KStringPosition_Manufact);
|
|
|
1590 |
}
|
|
|
1591 |
|
|
|
1592 |
|
|
|
1593 |
TInt TUsbcDescriptorPool::GetProductStringDescriptorTC(DThread* aThread, TDes8& aString) const
|
|
|
1594 |
{
|
|
|
1595 |
return GetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Product,
|
|
|
1596 |
KStringPosition_Product);
|
|
|
1597 |
}
|
|
|
1598 |
|
|
|
1599 |
|
|
|
1600 |
TInt TUsbcDescriptorPool::SetProductStringDescriptorTC(DThread* aThread, const TDes8& aString)
|
|
|
1601 |
{
|
|
|
1602 |
return SetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Product,
|
|
|
1603 |
KStringPosition_Product);
|
|
|
1604 |
}
|
|
|
1605 |
|
|
|
1606 |
|
|
|
1607 |
TInt TUsbcDescriptorPool::RemoveProductStringDescriptor()
|
|
|
1608 |
{
|
|
|
1609 |
return RemoveDeviceStringDescriptor(KUsbDescStringIndex_Product, KStringPosition_Product);
|
|
|
1610 |
}
|
|
|
1611 |
|
|
|
1612 |
|
|
|
1613 |
TInt TUsbcDescriptorPool::GetSerialNumberStringDescriptorTC(DThread* aThread, TDes8& aString) const
|
|
|
1614 |
{
|
|
|
1615 |
return GetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Serial,
|
|
|
1616 |
KStringPosition_Serial);
|
|
|
1617 |
}
|
|
|
1618 |
|
|
|
1619 |
|
|
|
1620 |
TInt TUsbcDescriptorPool::SetSerialNumberStringDescriptorTC(DThread* aThread, const TDes8& aString)
|
|
|
1621 |
{
|
|
|
1622 |
return SetDeviceStringDescriptorTC(aThread, aString, KUsbDescStringIndex_Serial,
|
|
|
1623 |
KStringPosition_Serial);
|
|
|
1624 |
}
|
|
|
1625 |
|
|
|
1626 |
|
|
|
1627 |
TInt TUsbcDescriptorPool::RemoveSerialNumberStringDescriptor()
|
|
|
1628 |
{
|
|
|
1629 |
return RemoveDeviceStringDescriptor(KUsbDescStringIndex_Serial, KStringPosition_Serial);
|
|
|
1630 |
}
|
|
|
1631 |
|
|
|
1632 |
|
|
|
1633 |
TInt TUsbcDescriptorPool::GetConfigurationStringDescriptorTC(DThread* aThread, TDes8& aString) const
|
|
|
1634 |
{
|
|
|
1635 |
const TInt str_idx = iDescriptors[KDescPosition_Config]->Byte(KUsbDescStringIndex_Config);
|
|
|
1636 |
if (str_idx)
|
|
|
1637 |
{
|
|
|
1638 |
__ASSERT_ALWAYS((str_idx == KStringPosition_Config), Kern::Fault(KUsbPanicCat, __LINE__));
|
|
|
1639 |
__KTRACE_OPT(KUSB, Kern::Printf(" String @ pos %d (conf $): \"%S\"",
|
|
|
1640 |
str_idx, &iStrings[str_idx]->StringData()));
|
|
|
1641 |
return Kern::ThreadDesWrite(aThread, &aString,
|
|
|
1642 |
iStrings[str_idx]->StringData(), 0);
|
|
|
1643 |
}
|
|
|
1644 |
else
|
|
|
1645 |
{
|
|
|
1646 |
__KTRACE_OPT(KUSB, Kern::Printf(" No config string descriptor @ pos %d", str_idx));
|
|
|
1647 |
return KErrNotFound;
|
|
|
1648 |
}
|
|
|
1649 |
}
|
|
|
1650 |
|
|
|
1651 |
|
|
|
1652 |
TInt TUsbcDescriptorPool::SetConfigurationStringDescriptorTC(DThread* aThread, const TDes8& aString)
|
|
|
1653 |
{
|
|
|
1654 |
// we don't know the length of the string, so we have to allocate memory dynamically
|
|
|
1655 |
TUint strlen = Kern::ThreadGetDesLength(aThread, &aString);
|
|
|
1656 |
if (strlen > KUsbStringDescStringMaxSize)
|
|
|
1657 |
{
|
|
|
1658 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: config $ descriptor too long - will be truncated"));
|
|
|
1659 |
strlen = KUsbStringDescStringMaxSize;
|
|
|
1660 |
}
|
|
|
1661 |
HBuf8* const strbuf = HBuf8::New(strlen);
|
|
|
1662 |
if (!strbuf)
|
|
|
1663 |
{
|
|
|
1664 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Memory allocation for config $ desc string failed (1)"));
|
|
|
1665 |
return KErrNoMemory;
|
|
|
1666 |
}
|
|
|
1667 |
strbuf->SetMax();
|
|
|
1668 |
// the aString points to data that lives in user memory, so we have to copy it:
|
|
|
1669 |
const TInt r = Kern::ThreadDesRead(aThread, &aString, *strbuf, 0);
|
|
|
1670 |
if (r != KErrNone)
|
|
|
1671 |
{
|
|
|
1672 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Thread read error"));
|
|
|
1673 |
delete strbuf;
|
|
|
1674 |
return r;
|
|
|
1675 |
}
|
|
|
1676 |
TUsbcStringDescriptor* sd = TUsbcStringDescriptor::New(*strbuf);
|
|
|
1677 |
if (!sd)
|
|
|
1678 |
{
|
|
|
1679 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Memory allocation for config $ desc failed (2)"));
|
|
|
1680 |
delete strbuf;
|
|
|
1681 |
return KErrNoMemory;
|
|
|
1682 |
}
|
|
|
1683 |
// Delete old string, put in new one
|
|
|
1684 |
ExchangeStringDescriptor(KStringPosition_Config, sd);
|
|
|
1685 |
// Update Config descriptor string index field
|
|
|
1686 |
iDescriptors[KDescPosition_Config]->SetByte(KUsbDescStringIndex_Config, KStringPosition_Config);
|
|
|
1687 |
// Update Other_Speed_Config descriptor string index field as well, if applicable
|
|
|
1688 |
if (iDescriptors[KDescPosition_OtherSpeedConfig])
|
|
|
1689 |
iDescriptors[KDescPosition_OtherSpeedConfig]->SetByte(KUsbDescStringIndex_Config,
|
|
|
1690 |
KStringPosition_Config);
|
|
|
1691 |
delete strbuf;
|
|
|
1692 |
return KErrNone;
|
|
|
1693 |
}
|
|
|
1694 |
|
|
|
1695 |
|
|
|
1696 |
TInt TUsbcDescriptorPool::RemoveConfigurationStringDescriptor()
|
|
|
1697 |
{
|
|
|
1698 |
if (iDescriptors[KDescPosition_Config]->Byte(KUsbDescStringIndex_Config) == 0)
|
|
|
1699 |
{
|
|
|
1700 |
__KTRACE_OPT(KUSB, Kern::Printf(" RemoveConfigurationStringDescriptor: no $ desc @ index %d",
|
|
|
1701 |
KUsbDescStringIndex_Config));
|
|
|
1702 |
return KErrNotFound;
|
|
|
1703 |
}
|
|
|
1704 |
// Delete old string, put in NULL pointer
|
|
|
1705 |
ExchangeStringDescriptor(KStringPosition_Config, NULL);
|
|
|
1706 |
// Update Config descriptor string index field
|
|
|
1707 |
iDescriptors[KDescPosition_Config]->SetByte(KUsbDescStringIndex_Config, 0);
|
|
|
1708 |
// Update Other_Speed_Config descriptor string index field as well, if applicable
|
|
|
1709 |
if (iDescriptors[KDescPosition_OtherSpeedConfig])
|
|
|
1710 |
iDescriptors[KDescPosition_OtherSpeedConfig]->SetByte(KUsbDescStringIndex_Config, 0);
|
|
|
1711 |
return KErrNone;
|
|
|
1712 |
}
|
|
|
1713 |
|
|
|
1714 |
|
|
|
1715 |
TInt TUsbcDescriptorPool::GetStringDescriptorTC(DThread* aThread, TInt aIndex, TDes8& aString) const
|
|
|
1716 |
{
|
|
|
1717 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetStringDescriptorTC()"));
|
|
|
1718 |
if (!StringDescriptorExists(aIndex))
|
|
|
1719 |
{
|
|
|
1720 |
return KErrNotFound;
|
|
|
1721 |
}
|
|
|
1722 |
__KTRACE_OPT(KUSB, Kern::Printf(" String @ pos %d: \"%S\"",
|
|
|
1723 |
aIndex, &iStrings[aIndex]->StringData()));
|
|
|
1724 |
return Kern::ThreadDesWrite(aThread, &aString, iStrings[aIndex]->StringData(), 0);
|
|
|
1725 |
}
|
|
|
1726 |
|
|
|
1727 |
|
|
|
1728 |
TInt TUsbcDescriptorPool::SetStringDescriptorTC(DThread* aThread, TInt aIndex, const TDes8& aString)
|
|
|
1729 |
{
|
|
|
1730 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetStringDescriptorTC()"));
|
|
|
1731 |
// we don't know the length of the string, so we have to allocate memory dynamically
|
|
|
1732 |
TUint strlen = Kern::ThreadGetDesLength(aThread, &aString);
|
|
|
1733 |
if (strlen > KUsbStringDescStringMaxSize)
|
|
|
1734 |
{
|
|
|
1735 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: $ descriptor too long - will be truncated"));
|
|
|
1736 |
strlen = KUsbStringDescStringMaxSize;
|
|
|
1737 |
}
|
|
|
1738 |
HBuf8* strbuf = HBuf8::New(strlen);
|
|
|
1739 |
if (!strbuf)
|
|
|
1740 |
{
|
|
|
1741 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Mem alloc for $ desc string failed (1)"));
|
|
|
1742 |
return KErrNoMemory;
|
|
|
1743 |
}
|
|
|
1744 |
strbuf->SetMax();
|
|
|
1745 |
// the aString points to data that lives in user memory, so we have to copy it over:
|
|
|
1746 |
const TInt r = Kern::ThreadDesRead(aThread, &aString, *strbuf, 0);
|
|
|
1747 |
if (r != KErrNone)
|
|
|
1748 |
{
|
|
|
1749 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Thread read error"));
|
|
|
1750 |
delete strbuf;
|
|
|
1751 |
return r;
|
|
|
1752 |
}
|
|
|
1753 |
TUsbcStringDescriptor* const sd = TUsbcStringDescriptor::New(*strbuf);
|
|
|
1754 |
if (!sd)
|
|
|
1755 |
{
|
|
|
1756 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Mem alloc for $ desc failed (2)"));
|
|
|
1757 |
delete strbuf;
|
|
|
1758 |
return KErrNoMemory;
|
|
|
1759 |
}
|
|
|
1760 |
if (aIndex < iStrings.Count())
|
|
|
1761 |
{
|
|
|
1762 |
ExchangeStringDescriptor(aIndex, sd);
|
|
|
1763 |
}
|
|
|
1764 |
else // if (aIndex >= iStrings.Count())
|
|
|
1765 |
{
|
|
|
1766 |
while (aIndex > iStrings.Count())
|
|
|
1767 |
{
|
|
|
1768 |
iStrings.Append(NULL);
|
|
|
1769 |
}
|
|
|
1770 |
iStrings.Append(sd);
|
|
|
1771 |
}
|
|
|
1772 |
delete strbuf;
|
|
|
1773 |
return KErrNone;
|
|
|
1774 |
}
|
|
|
1775 |
|
|
|
1776 |
|
|
|
1777 |
TInt TUsbcDescriptorPool::RemoveStringDescriptor(TInt aIndex)
|
|
|
1778 |
{
|
|
|
1779 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::RemoveStringDescriptor()"));
|
|
|
1780 |
if (!StringDescriptorExists(aIndex))
|
|
|
1781 |
{
|
|
|
1782 |
return KErrNotFound;
|
|
|
1783 |
}
|
|
|
1784 |
__KTRACE_OPT(KUSB, Kern::Printf(" Removing string @ pos %d: \"%S\"",
|
|
|
1785 |
aIndex, &iStrings[aIndex]->StringData()));
|
|
|
1786 |
ExchangeStringDescriptor(aIndex, NULL);
|
|
|
1787 |
|
|
|
1788 |
// Make sure there's no $ after aIndex.
|
|
|
1789 |
const TInt n = iStrings.Count();
|
|
|
1790 |
for (TInt i = aIndex; i < n; i++)
|
|
|
1791 |
{
|
|
|
1792 |
if (iStrings[i] != NULL)
|
|
|
1793 |
{
|
|
|
1794 |
__KTRACE_OPT(KUSB, Kern::Printf(" Found $ @ idx %d - not compressing", i));
|
|
|
1795 |
return KErrNone;
|
|
|
1796 |
}
|
|
|
1797 |
}
|
|
|
1798 |
|
|
|
1799 |
__KTRACE_OPT(KUSB, Kern::Printf(" No $ found after idx %d - compressing array", aIndex));
|
|
|
1800 |
// Move aIndex back just before the first !NULL element.
|
|
|
1801 |
while (iStrings[--aIndex] == NULL)
|
|
|
1802 |
;
|
|
|
1803 |
// Let aIndex point to first NULL.
|
|
|
1804 |
aIndex++;
|
|
|
1805 |
__KTRACE_OPT(KUSB, Kern::Printf(" Starting at index %d", aIndex));
|
|
|
1806 |
// Now remove NULL pointers until (Count() == aIndex).
|
|
|
1807 |
__KTRACE_OPT(KUSB, Kern::Printf(" iStrings.Count() before: %d", iStrings.Count()));
|
|
|
1808 |
do
|
|
|
1809 |
{
|
|
|
1810 |
iStrings.Remove(aIndex);
|
|
|
1811 |
__KTRACE_OPT(KUSB, Kern::Printf(" Removing $"));
|
|
|
1812 |
}
|
|
|
1813 |
while (iStrings.Count() > aIndex);
|
|
|
1814 |
__KTRACE_OPT(KUSB, Kern::Printf(" iStrings.Count() after: %d", iStrings.Count()));
|
|
|
1815 |
|
|
|
1816 |
// Regain some memory.
|
|
|
1817 |
iStrings.Compress();
|
|
|
1818 |
|
|
|
1819 |
return KErrNone;
|
|
|
1820 |
}
|
|
|
1821 |
|
|
|
1822 |
|
|
|
1823 |
// ===================================================================
|
|
|
1824 |
// --- private ---
|
|
|
1825 |
// ===================================================================
|
|
|
1826 |
|
|
|
1827 |
//
|
|
|
1828 |
// Insert an Interface descriptor into the descriptor array at the appropriate index.
|
|
|
1829 |
//
|
|
|
1830 |
void TUsbcDescriptorPool::InsertIfcDesc(TUsbcDescriptorBase* aDesc)
|
|
|
1831 |
{
|
|
|
1832 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::InsertIfcDesc()"));
|
|
|
1833 |
|
|
|
1834 |
const TInt count = iDescriptors.Count();
|
|
|
1835 |
TBool ifc_exists = EFalse; // set to 'true' if we're adding an alternate
|
|
|
1836 |
// setting to an already existing interface
|
|
|
1837 |
TInt i = KDescPosition_FirstAvailable;
|
|
|
1838 |
while (i < count)
|
|
|
1839 |
{
|
|
|
1840 |
__KTRACE_OPT(KUSB, Kern::Printf(" already descriptors there (%d)...", count));
|
|
|
1841 |
if (iDescriptors[i]->Type() == KUsbDescType_Interface)
|
|
|
1842 |
{
|
|
|
1843 |
if (iDescriptors[i]->Byte(2) > aDesc->Byte(2))
|
|
|
1844 |
{
|
|
|
1845 |
// our interface number is less than the one's just found => insert before it (= here)
|
|
|
1846 |
break;
|
|
|
1847 |
}
|
|
|
1848 |
else if (iDescriptors[i]->Byte(2) == aDesc->Byte(2))
|
|
|
1849 |
{
|
|
|
1850 |
ifc_exists = ETrue;
|
|
|
1851 |
// same interface number => look at settings number
|
|
|
1852 |
if (iDescriptors[i]->Byte(3) > aDesc->Byte(3))
|
|
|
1853 |
{
|
|
|
1854 |
// our setting number is less than the one's found => insert before (= here)
|
|
|
1855 |
break;
|
|
|
1856 |
}
|
|
|
1857 |
else if (iDescriptors[i]->Byte(3) == aDesc->Byte(3))
|
|
|
1858 |
{
|
|
|
1859 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: first delete old desc "
|
|
|
1860 |
"(TUsbcDescriptorPool::InsertIfcDesc)"));
|
|
|
1861 |
return;
|
|
|
1862 |
}
|
|
|
1863 |
}
|
|
|
1864 |
}
|
|
|
1865 |
++i;
|
|
|
1866 |
}
|
|
|
1867 |
// In any case: put the new descriptor at position i.
|
|
|
1868 |
__KTRACE_OPT(KUSB, Kern::Printf(" inserting descriptor at position %d", i));
|
|
|
1869 |
iDescriptors.Insert(aDesc, i);
|
|
|
1870 |
|
|
|
1871 |
// Update the config descriptor's wTotalLength field.
|
|
|
1872 |
UpdateConfigDescriptorLength(KUsbDescSize_Interface);
|
|
|
1873 |
|
|
|
1874 |
if (!ifc_exists)
|
|
|
1875 |
{
|
|
|
1876 |
// If this is the first setting for the interface, increment bNumInterfaces.
|
|
|
1877 |
UpdateConfigDescriptorNumIfcs(1);
|
|
|
1878 |
}
|
|
|
1879 |
|
|
|
1880 |
iIfcIdx = i;
|
|
|
1881 |
}
|
|
|
1882 |
|
|
|
1883 |
|
|
|
1884 |
//
|
|
|
1885 |
// Insert an Endpoint descriptor into the descriptor array at the appropriate index.
|
|
|
1886 |
//
|
|
|
1887 |
void TUsbcDescriptorPool::InsertEpDesc(TUsbcDescriptorBase* aDesc)
|
|
|
1888 |
{
|
|
|
1889 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::InsertEpDesc()"));
|
|
|
1890 |
if (iIfcIdx == 0)
|
|
|
1891 |
{
|
|
|
1892 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: only after interface "
|
|
|
1893 |
"(TUsbcDescriptorPool::InsertEpDesc)"));
|
|
|
1894 |
return;
|
|
|
1895 |
}
|
|
|
1896 |
const TInt count = iDescriptors.Count();
|
|
|
1897 |
TInt i = iIfcIdx + 1;
|
|
|
1898 |
while (i < count)
|
|
|
1899 |
{
|
|
|
1900 |
if (iDescriptors[i]->Type() != KUsbDescType_Endpoint)
|
|
|
1901 |
break;
|
|
|
1902 |
++i;
|
|
|
1903 |
}
|
|
|
1904 |
// put the new descriptor at position i
|
|
|
1905 |
iDescriptors.Insert(aDesc, i);
|
|
|
1906 |
// update the config descriptor's wTotalLength field
|
|
|
1907 |
UpdateConfigDescriptorLength(aDesc->Size());
|
|
|
1908 |
}
|
|
|
1909 |
|
|
|
1910 |
|
|
|
1911 |
//
|
|
|
1912 |
// Find the index of the Interface descriptor for a given interface setting.
|
|
|
1913 |
//
|
|
|
1914 |
TInt TUsbcDescriptorPool::FindIfcDescriptor(TInt aIfcNumber, TInt aIfcSetting) const
|
|
|
1915 |
{
|
|
|
1916 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::FindIfcDescriptor(%d, %d)",
|
|
|
1917 |
aIfcNumber, aIfcSetting));
|
|
|
1918 |
const TInt count = iDescriptors.Count();
|
|
|
1919 |
for (TInt i = KDescPosition_FirstAvailable; i < count; i++)
|
|
|
1920 |
{
|
|
|
1921 |
if ((iDescriptors[i]->Type() == KUsbDescType_Interface) &&
|
|
|
1922 |
(iDescriptors[i]->Byte(2) == aIfcNumber) &&
|
|
|
1923 |
(iDescriptors[i]->Byte(3) == aIfcSetting))
|
|
|
1924 |
{
|
|
|
1925 |
return i;
|
|
|
1926 |
}
|
|
|
1927 |
}
|
|
|
1928 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such interface"));
|
|
|
1929 |
return -1;
|
|
|
1930 |
}
|
|
|
1931 |
|
|
|
1932 |
|
|
|
1933 |
//
|
|
|
1934 |
// Find the index of the Endpoint descriptor for a given endpoint on a given interface setting.
|
|
|
1935 |
//
|
|
|
1936 |
TInt TUsbcDescriptorPool::FindEpDescriptor(TInt aIfcNumber, TInt aIfcSetting, TUint8 aEpAddress) const
|
|
|
1937 |
{
|
|
|
1938 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::FindEpDescriptor(%d, %d, 0x%02x)",
|
|
|
1939 |
aIfcNumber, aIfcSetting, aEpAddress));
|
|
|
1940 |
// first find the interface
|
|
|
1941 |
const TInt ifc = FindIfcDescriptor(aIfcNumber, aIfcSetting);
|
|
|
1942 |
if (ifc < 0)
|
|
|
1943 |
{
|
|
|
1944 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such interface"));
|
|
|
1945 |
return ifc;
|
|
|
1946 |
}
|
|
|
1947 |
const TInt count = iDescriptors.Count();
|
|
|
1948 |
// then, before the next interface, try to locate the endpoint
|
|
|
1949 |
for (TInt i = ifc + 1; i < count; i++)
|
|
|
1950 |
{
|
|
|
1951 |
if (iDescriptors[i]->Type() == KUsbDescType_Interface)
|
|
|
1952 |
{
|
|
|
1953 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such endpoint before next interface"));
|
|
|
1954 |
return -1;
|
|
|
1955 |
}
|
|
|
1956 |
else if ((iDescriptors[i]->Type() == KUsbDescType_Endpoint) &&
|
|
|
1957 |
(iDescriptors[i]->Byte(2) == aEpAddress))
|
|
|
1958 |
{
|
|
|
1959 |
// found
|
|
|
1960 |
return i;
|
|
|
1961 |
}
|
|
|
1962 |
}
|
|
|
1963 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: no such endpoint"));
|
|
|
1964 |
return -1;
|
|
|
1965 |
}
|
|
|
1966 |
|
|
|
1967 |
|
|
|
1968 |
//
|
|
|
1969 |
// Delete n descriptors starting from aIndex and remove their pointers from the array.
|
|
|
1970 |
//
|
|
|
1971 |
void TUsbcDescriptorPool::DeleteDescriptors(TInt aIndex, TInt aCount)
|
|
|
1972 |
{
|
|
|
1973 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::DeleteDescriptors()"));
|
|
|
1974 |
if (aIndex < KDescPosition_FirstAvailable)
|
|
|
1975 |
{
|
|
|
1976 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: aIndex < KDescPosition_FirstAvailable"));
|
|
|
1977 |
return;
|
|
|
1978 |
}
|
|
|
1979 |
if (aCount <= 0)
|
|
|
1980 |
{
|
|
|
1981 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: aCount <= 0"));
|
|
|
1982 |
return;
|
|
|
1983 |
}
|
|
|
1984 |
__KTRACE_OPT(KUSB, Kern::Printf(" Removing descriptors at index %d:", aIndex));
|
|
|
1985 |
// Try to update wTotalLength field in Config descriptor
|
|
|
1986 |
while (aCount--)
|
|
|
1987 |
{
|
|
|
1988 |
// In this loop we don't decrement aIndex, because after deleting an element
|
|
|
1989 |
// aIndex is already indexing the next one.
|
|
|
1990 |
TUsbcDescriptorBase* const ptr = iDescriptors[aIndex];
|
|
|
1991 |
switch (ptr->Type())
|
|
|
1992 |
{
|
|
|
1993 |
case KUsbDescType_Interface:
|
|
|
1994 |
__KTRACE_OPT(KUSB, Kern::Printf(" - an interface descriptor"));
|
|
|
1995 |
UpdateConfigDescriptorLength(-KUsbDescSize_Interface);
|
|
|
1996 |
break;
|
|
|
1997 |
case KUsbDescType_Endpoint:
|
|
|
1998 |
__KTRACE_OPT(KUSB, Kern::Printf(" - an endpoint descriptor"));
|
|
|
1999 |
UpdateConfigDescriptorLength(-ptr->Size());
|
|
|
2000 |
break;
|
|
|
2001 |
case KUsbDescType_CS_Interface:
|
|
|
2002 |
/* fall through */
|
|
|
2003 |
case KUsbDescType_CS_Endpoint:
|
|
|
2004 |
__KTRACE_OPT(KUSB, Kern::Printf(" - a class specific descriptor"));
|
|
|
2005 |
UpdateConfigDescriptorLength(-ptr->Size());
|
|
|
2006 |
break;
|
|
|
2007 |
default:
|
|
|
2008 |
__KTRACE_OPT(KUSB, Kern::Printf(" - an unknown descriptor"));
|
|
|
2009 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: unknown descriptor type"));
|
|
|
2010 |
}
|
|
|
2011 |
iDescriptors.Remove(aIndex);
|
|
|
2012 |
delete ptr;
|
|
|
2013 |
}
|
|
|
2014 |
}
|
|
|
2015 |
|
|
|
2016 |
|
|
|
2017 |
//
|
|
|
2018 |
// Update the wTotalLength field in the Configuration descriptor (aLength can be negative).
|
|
|
2019 |
//
|
|
|
2020 |
void TUsbcDescriptorPool::UpdateConfigDescriptorLength(TInt aLength)
|
|
|
2021 |
{
|
|
|
2022 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::UpdateConfigDescriptorLength(%d)", aLength));
|
|
|
2023 |
TUsbcDescriptorBase* const cnf = iDescriptors[KDescPosition_Config];
|
|
|
2024 |
__KTRACE_OPT(KUSB, Kern::Printf(" wTotalLength old: %d", cnf->Word(2)));
|
|
|
2025 |
// Update Config descriptor
|
|
|
2026 |
cnf->SetWord(2, cnf->Word(2) + aLength);
|
|
|
2027 |
__KTRACE_OPT(KUSB, Kern::Printf(" wTotalLength new: %d", cnf->Word(2)));
|
|
|
2028 |
// Update Other_Speed_Config descriptor as well, if applicable
|
|
|
2029 |
if (iDescriptors[KDescPosition_OtherSpeedConfig])
|
|
|
2030 |
iDescriptors[KDescPosition_OtherSpeedConfig]->SetWord(2, cnf->Word(2));
|
|
|
2031 |
}
|
|
|
2032 |
|
|
|
2033 |
|
|
|
2034 |
//
|
|
|
2035 |
// Update the bNumInterfaces field in the Configuration descriptor (aNumber can be negative).
|
|
|
2036 |
//
|
|
|
2037 |
void TUsbcDescriptorPool::UpdateConfigDescriptorNumIfcs(TInt aNumber)
|
|
|
2038 |
{
|
|
|
2039 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::UpdateConfigDescriptorNumIfcs(%d)", aNumber));
|
|
|
2040 |
TUsbcDescriptorBase* const cnf = iDescriptors[KDescPosition_Config];
|
|
|
2041 |
__KTRACE_OPT(KUSB, Kern::Printf(" bNumInterfaces old: %d", cnf->Byte(4)));
|
|
|
2042 |
const TInt n = cnf->Byte(4) + aNumber;
|
|
|
2043 |
if (n < 0)
|
|
|
2044 |
{
|
|
|
2045 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bNumInterfaces + aNumber < 0"));
|
|
|
2046 |
return;
|
|
|
2047 |
}
|
|
|
2048 |
// Update Config descriptor
|
|
|
2049 |
cnf->SetByte(4, n);
|
|
|
2050 |
__KTRACE_OPT(KUSB, Kern::Printf(" bNumInterfaces new: %d", cnf->Byte(4)));
|
|
|
2051 |
// Update Other_Speed_Config descriptor as well, if applicable
|
|
|
2052 |
if (iDescriptors[KDescPosition_OtherSpeedConfig])
|
|
|
2053 |
iDescriptors[KDescPosition_OtherSpeedConfig]->SetByte(4, n);
|
|
|
2054 |
}
|
|
|
2055 |
|
|
|
2056 |
|
|
|
2057 |
//
|
|
|
2058 |
// Update the bNumInterfaces field in the Configuration descriptor if necessary.
|
|
|
2059 |
//
|
|
|
2060 |
void TUsbcDescriptorPool::UpdateIfcNumbers(TInt aNumber)
|
|
|
2061 |
{
|
|
|
2062 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::UpdateIfcNumbers(%d)", aNumber));
|
|
|
2063 |
const TInt count = iDescriptors.Count();
|
|
|
2064 |
for (TInt i = KDescPosition_FirstAvailable; i < count; i++)
|
|
|
2065 |
{
|
|
|
2066 |
if ((iDescriptors[i]->Type() == KUsbDescType_Interface) &&
|
|
|
2067 |
(iDescriptors[i]->Byte(2) == aNumber))
|
|
|
2068 |
{
|
|
|
2069 |
// there's still an interface with 'number' so we don't need to update anything
|
|
|
2070 |
return;
|
|
|
2071 |
}
|
|
|
2072 |
}
|
|
|
2073 |
// if we haven't returned yet, we decrement bNumInterfaces
|
|
|
2074 |
UpdateConfigDescriptorNumIfcs(-1);
|
|
|
2075 |
}
|
|
|
2076 |
|
|
|
2077 |
|
|
|
2078 |
//
|
|
|
2079 |
// Put the current Device or Device_Qualifier descriptor in the Ep0 Tx buffer.
|
|
|
2080 |
// Only used for Ep0 standard requests, so target buffer can be hard-wired.
|
|
|
2081 |
//
|
|
|
2082 |
TInt TUsbcDescriptorPool::GetDeviceDescriptor(TInt aIndex) const
|
|
|
2083 |
{
|
|
|
2084 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetDeviceDescriptor()"));
|
|
|
2085 |
__ASSERT_DEBUG((aIndex == KDescPosition_Device) || (aIndex == KDescPosition_DeviceQualifier),
|
|
|
2086 |
Kern::Printf(" Error: invalid descriptor index: %d", aIndex));
|
|
|
2087 |
if (iDescriptors[aIndex] == NULL)
|
|
|
2088 |
{
|
|
|
2089 |
// This doesn't have to be an error - we might get asked here for the Device_Qualifier descriptor
|
|
|
2090 |
// on a FS-only device.
|
|
|
2091 |
__KTRACE_OPT(KUSB, Kern::Printf(" Descriptor #%d requested but not available", aIndex));
|
|
|
2092 |
return 0;
|
|
|
2093 |
}
|
|
|
2094 |
return iDescriptors[aIndex]->GetDescriptorData(iEp0_TxBuf, KUsbcBufSz_Ep0Tx);
|
|
|
2095 |
}
|
|
|
2096 |
|
|
|
2097 |
|
|
|
2098 |
//
|
|
|
2099 |
// Put the current Configuration or Other_Speed_Configuration descriptor + all the following
|
|
|
2100 |
// descriptors in the Ep0 Tx buffer.
|
|
|
2101 |
// Only used for Ep0 standard requests, so target buffer can be hard-wired.
|
|
|
2102 |
//
|
|
|
2103 |
TInt TUsbcDescriptorPool::GetConfigurationDescriptor(TInt aIndex) const
|
|
|
2104 |
{
|
|
|
2105 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetConfigDescriptor(%d)", aIndex));
|
|
|
2106 |
__ASSERT_DEBUG((aIndex == KDescPosition_Config) || (aIndex == KDescPosition_OtherSpeedConfig),
|
|
|
2107 |
Kern::Printf(" Error: invalid descriptor index: %d", aIndex));
|
|
|
2108 |
if (iDescriptors[aIndex] == NULL)
|
|
|
2109 |
{
|
|
|
2110 |
// This is always an error: We should always have a Configuration descriptor and we should never
|
|
|
2111 |
// get asked for the Other_Speed_Configuration descriptor if we don't have one (9.6.2).
|
|
|
2112 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: Descriptor %d requested but not available", aIndex));
|
|
|
2113 |
return 0;
|
|
|
2114 |
}
|
|
|
2115 |
const TInt count = iDescriptors.Count();
|
|
|
2116 |
TInt copied = 0;
|
|
|
2117 |
TUint8* buf = iEp0_TxBuf;
|
|
|
2118 |
for (TInt i = aIndex; i < count; i++)
|
|
|
2119 |
{
|
|
|
2120 |
TUsbcDescriptorBase* const ptr = iDescriptors[i];
|
|
|
2121 |
if ((aIndex == KDescPosition_OtherSpeedConfig) && (i == KDescPosition_Config))
|
|
|
2122 |
{
|
|
|
2123 |
// Skip Config descriptor when returning Other_Speed_Config
|
|
|
2124 |
continue;
|
|
|
2125 |
}
|
|
|
2126 |
if ((i == KDescPosition_Otg) && (iDescriptors[i] == NULL))
|
|
|
2127 |
{
|
|
|
2128 |
__KTRACE_OPT(KUSB, Kern::Printf(" no OTG descriptor -> next"));
|
|
|
2129 |
continue;
|
|
|
2130 |
}
|
|
|
2131 |
// We need to edit endpoint descriptors on the fly because we have only one copy
|
|
|
2132 |
// of each and that copy has to contain different information, depending on the
|
|
|
2133 |
// current speed and the type of descriptor requested.
|
|
|
2134 |
if (ptr->Type() == KUsbDescType_Endpoint)
|
|
|
2135 |
{
|
|
|
2136 |
if ((iHighSpeed && (aIndex == KDescPosition_Config)) ||
|
|
|
2137 |
(!iHighSpeed && (aIndex == KDescPosition_OtherSpeedConfig)))
|
|
|
2138 |
{
|
|
|
2139 |
ptr->UpdateHs();
|
|
|
2140 |
}
|
|
|
2141 |
else
|
|
|
2142 |
{
|
|
|
2143 |
ptr->UpdateFs();
|
|
|
2144 |
}
|
|
|
2145 |
}
|
|
|
2146 |
__KTRACE_OPT(KUSB, Kern::Printf(" desc[%02d]: type = 0x%02x size = %d ",
|
|
|
2147 |
i, ptr->Type(), ptr->Size()));
|
|
|
2148 |
const TInt size = ptr->GetDescriptorData(buf, KUsbcBufSz_Ep0Tx - copied);
|
|
|
2149 |
if (size == 0)
|
|
|
2150 |
{
|
|
|
2151 |
__KTRACE_OPT(KPANIC,
|
|
|
2152 |
Kern::Printf(" Error: No Tx buffer space to copy this descriptor -> exiting"));
|
|
|
2153 |
break;
|
|
|
2154 |
}
|
|
|
2155 |
copied += size;
|
|
|
2156 |
if (copied >= KUsbcBufSz_Ep0Tx)
|
|
|
2157 |
{
|
|
|
2158 |
__KTRACE_OPT(KPANIC,
|
|
|
2159 |
Kern::Printf(" Error: No Tx buffer space left -> stopping here"));
|
|
|
2160 |
break;
|
|
|
2161 |
}
|
|
|
2162 |
buf += size;
|
|
|
2163 |
}
|
|
|
2164 |
__KTRACE_OPT(KUSB, Kern::Printf(" copied %d bytes", copied));
|
|
|
2165 |
return copied;
|
|
|
2166 |
}
|
|
|
2167 |
|
|
|
2168 |
|
|
|
2169 |
//
|
|
|
2170 |
// Put the current OTG descriptor in the Ep0 Tx buffer.
|
|
|
2171 |
// Only used for Ep0 standard requests, so target buffer can be hard-wired.
|
|
|
2172 |
//
|
|
|
2173 |
TInt TUsbcDescriptorPool::GetOtgDescriptor() const
|
|
|
2174 |
{
|
|
|
2175 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetOtgDescriptor()"));
|
|
|
2176 |
if (iDescriptors[KDescPosition_Otg] == NULL)
|
|
|
2177 |
{
|
|
|
2178 |
__KTRACE_OPT(KUSB, Kern::Printf(" OTG Descriptor not set"));
|
|
|
2179 |
return 0;
|
|
|
2180 |
}
|
|
|
2181 |
return iDescriptors[KDescPosition_Otg]->GetDescriptorData(iEp0_TxBuf, KUsbcBufSz_Ep0Tx);
|
|
|
2182 |
}
|
|
|
2183 |
|
|
|
2184 |
|
|
|
2185 |
//
|
|
|
2186 |
// Put a specific String descriptor in the Ep0 Tx buffer.
|
|
|
2187 |
// Only used for Ep0 standard requests, so target buffer can be hard-wired.
|
|
|
2188 |
//
|
|
|
2189 |
TInt TUsbcDescriptorPool::GetStringDescriptor(TInt aIndex) const
|
|
|
2190 |
{
|
|
|
2191 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetStringDescriptor(%d)", aIndex));
|
|
|
2192 |
// I really would have liked to display the descriptor contents here, but without trailing zero
|
|
|
2193 |
// we got a problem: how can we tell printf where the string ends? We would have to
|
|
|
2194 |
// dynamically allocate memory (since we don't know the size in advance), copy the descriptor
|
|
|
2195 |
// contents there, append a zero, and give this to printf. That's a bit too much effort...
|
|
|
2196 |
if (!StringDescriptorExists(aIndex))
|
|
|
2197 |
{
|
|
|
2198 |
return 0;
|
|
|
2199 |
}
|
|
|
2200 |
return iStrings[aIndex]->GetDescriptorData(iEp0_TxBuf, KUsbcBufSz_Ep0Tx);
|
|
|
2201 |
}
|
|
|
2202 |
|
|
|
2203 |
|
|
|
2204 |
//
|
|
|
2205 |
// Write a String descriptor pointed to by the Device descriptor to the user side
|
|
|
2206 |
// (one of Manufacturer, Product, SerialNumber).
|
|
|
2207 |
//
|
|
|
2208 |
TInt TUsbcDescriptorPool::GetDeviceStringDescriptorTC(DThread* aThread, TDes8& aString,
|
|
|
2209 |
TInt aIndex, TInt aPosition) const
|
|
|
2210 |
{
|
|
|
2211 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetDeviceStringDescriptorTC()"));
|
|
|
2212 |
const TInt str_idx = iDescriptors[KDescPosition_Device]->Byte(aIndex);
|
|
|
2213 |
if (str_idx)
|
|
|
2214 |
{
|
|
|
2215 |
__ASSERT_ALWAYS((str_idx == aPosition), Kern::Fault(KUsbPanicCat, __LINE__));
|
|
|
2216 |
__KTRACE_OPT(KUSB, Kern::Printf(" String @ pos %d (device $): \"%S\"",
|
|
|
2217 |
str_idx, &iStrings[str_idx]->StringData()));
|
|
|
2218 |
return Kern::ThreadDesWrite(aThread, &aString,
|
|
|
2219 |
iStrings[str_idx]->StringData(), 0);
|
|
|
2220 |
}
|
|
|
2221 |
else
|
|
|
2222 |
{
|
|
|
2223 |
__KTRACE_OPT(KUSB, Kern::Printf(" No string descriptor @ pos %d", aIndex));
|
|
|
2224 |
return KErrNotFound;
|
|
|
2225 |
}
|
|
|
2226 |
}
|
|
|
2227 |
|
|
|
2228 |
|
|
|
2229 |
//
|
|
|
2230 |
// Read a Device String descriptor from the user side and put in the descriptor arrays
|
|
|
2231 |
// (one of Manufacturer, Product, SerialNumber).
|
|
|
2232 |
//
|
|
|
2233 |
TInt TUsbcDescriptorPool::SetDeviceStringDescriptorTC(DThread* aThread, const TDes8& aString,
|
|
|
2234 |
TInt aIndex, TInt aPosition)
|
|
|
2235 |
{
|
|
|
2236 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetDeviceStringDescriptorTC()"));
|
|
|
2237 |
// we don't know the length of the string, so we have to allocate memory dynamically
|
|
|
2238 |
TUint strlen = Kern::ThreadGetDesLength(aThread, &aString);
|
|
|
2239 |
if (strlen > KUsbStringDescStringMaxSize)
|
|
|
2240 |
{
|
|
|
2241 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: $ descriptor too long - will be truncated"));
|
|
|
2242 |
strlen = KUsbStringDescStringMaxSize;
|
|
|
2243 |
}
|
|
|
2244 |
HBuf8* const strbuf = HBuf8::New(strlen);
|
|
|
2245 |
if (!strbuf)
|
|
|
2246 |
{
|
|
|
2247 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Memory allocation for dev $ desc string failed (1)"));
|
|
|
2248 |
return KErrNoMemory;
|
|
|
2249 |
}
|
|
|
2250 |
strbuf->SetMax();
|
|
|
2251 |
// the aString points to data that lives in user memory, so we have to copy it:
|
|
|
2252 |
const TInt r = Kern::ThreadDesRead(aThread, &aString, *strbuf, 0);
|
|
|
2253 |
if (r != KErrNone)
|
|
|
2254 |
{
|
|
|
2255 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Thread read error"));
|
|
|
2256 |
delete strbuf;
|
|
|
2257 |
return r;
|
|
|
2258 |
}
|
|
|
2259 |
TUsbcStringDescriptor* const sd = TUsbcStringDescriptor::New(*strbuf);
|
|
|
2260 |
if (!sd)
|
|
|
2261 |
{
|
|
|
2262 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Memory allocation for dev $ desc failed (2)"));
|
|
|
2263 |
delete strbuf;
|
|
|
2264 |
return KErrNoMemory;
|
|
|
2265 |
}
|
|
|
2266 |
ExchangeStringDescriptor(aPosition, sd);
|
|
|
2267 |
iDescriptors[KDescPosition_Device]->SetByte(aIndex, aPosition);
|
|
|
2268 |
delete strbuf;
|
|
|
2269 |
return r;
|
|
|
2270 |
}
|
|
|
2271 |
|
|
|
2272 |
|
|
|
2273 |
//
|
|
|
2274 |
// Remove a Device String descriptor from the descriptor arrays
|
|
|
2275 |
// (one of Manufacturer, Product, SerialNumber).
|
|
|
2276 |
//
|
|
|
2277 |
TInt TUsbcDescriptorPool::RemoveDeviceStringDescriptor(TInt aIndex, TInt aPosition)
|
|
|
2278 |
{
|
|
|
2279 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::RemoveDeviceStringDescriptor()"));
|
|
|
2280 |
if (iDescriptors[KDescPosition_Device]->Byte(aIndex) == 0)
|
|
|
2281 |
{
|
|
|
2282 |
__KTRACE_OPT(KUSB, Kern::Printf(" RemoveDeviceStringDescriptor: no $ desc @ index %d", aIndex));
|
|
|
2283 |
return KErrNotFound;
|
|
|
2284 |
}
|
|
|
2285 |
ExchangeStringDescriptor(aPosition, NULL);
|
|
|
2286 |
iDescriptors[KDescPosition_Device]->SetByte(aIndex, 0);
|
|
|
2287 |
return KErrNone;
|
|
|
2288 |
}
|
|
|
2289 |
|
|
|
2290 |
|
|
|
2291 |
//
|
|
|
2292 |
// Puts aDesc at postion aIndex in the string descriptor array, after deleting what was (possibly) there.
|
|
|
2293 |
//
|
|
|
2294 |
void TUsbcDescriptorPool::ExchangeStringDescriptor(TInt aIndex, const TUsbcStringDescriptor* aDesc)
|
|
|
2295 |
{
|
|
|
2296 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::ExchangeStringDescriptor()"));
|
|
|
2297 |
TUsbcStringDescriptorBase* const ptr = iStrings[aIndex];
|
|
|
2298 |
__KTRACE_OPT(KUSB, Kern::Printf(" Deleting string descriptor at index %d: 0x%x", aIndex, ptr));
|
|
|
2299 |
iStrings.Remove(aIndex);
|
|
|
2300 |
delete ptr;
|
|
|
2301 |
__KTRACE_OPT(KUSB, Kern::Printf(" Inserting string descriptor at index %d: 0x%x", aIndex, aDesc));
|
|
|
2302 |
iStrings.Insert(aDesc, aIndex);
|
|
|
2303 |
}
|
|
|
2304 |
|
|
|
2305 |
|
|
|
2306 |
//
|
|
|
2307 |
// Checks whether there are any string descriptors in the array (apart from LangID).
|
|
|
2308 |
//
|
|
|
2309 |
TBool TUsbcDescriptorPool::AnyStringDescriptors() const
|
|
|
2310 |
{
|
|
|
2311 |
const TInt n = iStrings.Count();
|
|
|
2312 |
for (TInt i = 1; i < n; i++)
|
|
|
2313 |
{
|
|
|
2314 |
if (iStrings[i] != NULL)
|
|
|
2315 |
return ETrue;
|
|
|
2316 |
}
|
|
|
2317 |
return EFalse;
|
|
|
2318 |
}
|
|
|
2319 |
|
|
|
2320 |
|
|
|
2321 |
//
|
|
|
2322 |
// Returns true if aIndex exists and what is at that positition is not a NULL pointer.
|
|
|
2323 |
//
|
|
|
2324 |
TBool TUsbcDescriptorPool::StringDescriptorExists(TInt aIndex) const
|
|
|
2325 |
{
|
|
|
2326 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::StringDescriptorExists()"));
|
|
|
2327 |
if (aIndex >= iStrings.Count())
|
|
|
2328 |
{
|
|
|
2329 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Bad string index: %d", aIndex));
|
|
|
2330 |
return EFalse;
|
|
|
2331 |
}
|
|
|
2332 |
else if (iStrings[aIndex] == NULL)
|
|
|
2333 |
{
|
|
|
2334 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: No $ descriptor @ pos %d", aIndex));
|
|
|
2335 |
return EFalse;
|
|
|
2336 |
}
|
|
|
2337 |
return ETrue;
|
|
|
2338 |
}
|
|
|
2339 |
|
|
|
2340 |
|
|
|
2341 |
//
|
|
|
2342 |
//
|
|
|
2343 |
//
|
|
|
2344 |
TInt TUsbcDescriptorPool::FindAvailableStringPos() const
|
|
|
2345 |
{
|
|
|
2346 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::FindAvailableStringPos()"));
|
|
|
2347 |
const TInt n = iStrings.Count();
|
|
|
2348 |
// We don't start from 0 because the first few locations are 'reserved'.
|
|
|
2349 |
for (TInt i = KStringPosition_FirstAvailable; i < n; i++)
|
|
|
2350 |
{
|
|
|
2351 |
if (iStrings[i] == NULL)
|
|
|
2352 |
{
|
|
|
2353 |
__KTRACE_OPT(KUSB, Kern::Printf(" Found available NULL position: %d", i));
|
|
|
2354 |
return i;
|
|
|
2355 |
}
|
|
|
2356 |
}
|
|
|
2357 |
return -1;
|
|
|
2358 |
}
|
|
|
2359 |
|
|
|
2360 |
|
|
|
2361 |
// -eof-
|