| author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
| Tue, 27 Apr 2010 18:02:57 +0300 | |
| branch | RCL_3 |
| changeset 97 | 41f0cfe18c80 |
| parent 0 | a41df078684a |
| child 253 | d37db4dcc88d |
| permissions | -rw-r--r-- |
| 0 | 1 |
// 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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iBuf[0] = iBuf.Size(); // bLength |
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iBuf[1] = KUsbDescType_Interface; // bDescriptorType |
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iBuf[2] = aInterfaceNumber; // bInterfaceNumber |
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iBuf[3] = aAlternateSetting; // bAlternateSetting |
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iBuf[4] = aNumEndpoints; // bNumEndpoints |
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iBuf[5] = aClassInfo.iClassNum; // bInterfaceClass |
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iBuf[6] = aClassInfo.iSubClassNum; // bInterfaceSubClass |
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iBuf[7] = aClassInfo.iProtocolNum; // bInterfaceProtocol |
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iBuf[8] = 0; // iInterface |
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return KErrNone; |
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} |
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// --- TUsbcEndpointDescriptorBase |
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TUsbcEndpointDescriptorBase::TUsbcEndpointDescriptorBase() |
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptorBase::TUsbcEndpointDescriptorBase()"));
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} |
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TInt TUsbcEndpointDescriptorBase::Construct(const TUsbcEndpointInfo& aEpInfo) |
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{
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__KTRACE_OPT(KUSB, Kern::Printf("TUsbcEndpointDescriptorBase::Construct()"));
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// Adjust FS/HS endpoint sizes |
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if (aEpInfo.AdjustEpSizes(iEpSize_Fs, iEpSize_Hs) != KErrNone) |
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{
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Unknown endpoint type: %d", aEpInfo.iType));
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} |
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__KTRACE_OPT(KUSB, Kern::Printf(" Now set: iEpSize_Fs=%d iEpSize_Hs=%d (aEpInfo.iSize=%d)",
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iEpSize_Fs, iEpSize_Hs, aEpInfo.iSize)); |
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// Adjust HS endpoint size for additional transactions |
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if ((aEpInfo.iType == KUsbEpTypeIsochronous) || (aEpInfo.iType == KUsbEpTypeInterrupt)) |
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{
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if ((aEpInfo.iTransactions > 0) && (aEpInfo.iTransactions < 3)) |
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{
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// Bits 12..11 specify the number of additional transactions per microframe |
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iEpSize_Hs |= (aEpInfo.iTransactions << 12); |
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__KTRACE_OPT(KUSB, Kern::Printf(" Adjusted for add. transact.: iEpSize_Hs=0x%02x "
|
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"(aEpInfo.iTransactions=%d)", |
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iEpSize_Hs, aEpInfo.iTransactions)); |
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} |
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else if (aEpInfo.iTransactions != 0) |
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{
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__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: Invalid iTransactions value: %d (ignored)",
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aEpInfo.iTransactions)); |
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} |
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} |
|
413 |
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// Adjust HS polling interval |
|
415 |
TUsbcEndpointInfo info(aEpInfo); // create local writeable copy |
|
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if (info.AdjustPollInterval() != KErrNone) |
|
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{
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Unknown ep type (%d) or invalid interval value (%d)",
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|
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info.iType, info.iInterval)); |
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} |
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iInterval_Fs = info.iInterval; |
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iInterval_Hs = info.iInterval_Hs; |
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__KTRACE_OPT(KUSB, Kern::Printf(" Now set: iInterval_Fs=%d iInterval_Hs=%d",
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iInterval_Fs, iInterval_Hs)); |
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return KErrNone; |
|
426 |
} |
|
427 |
||
428 |
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429 |
void TUsbcEndpointDescriptorBase::UpdateFs() |
|
430 |
{
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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 |
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438 |
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439 |
void TUsbcEndpointDescriptorBase::UpdateHs() |
|
440 |
{
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|
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 |
} |
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2096 |
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2097 |
|
| 0 | 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 |
} |
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2115 |
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2116 |
const TInt count = iDescriptors.Count(); |
| 0 | 2117 |
TInt copied = 0; |
2118 |
TUint8* buf = iEp0_TxBuf; |
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2119 |
// pos == count is used so that otg descriptor is added to the end of returned descriptors |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2120 |
for (TInt pos = aIndex; pos < count + 1; pos++) |
| 0 | 2121 |
{
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2122 |
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2123 |
if ((aIndex == KDescPosition_OtherSpeedConfig) && (pos == KDescPosition_Config)) |
| 0 | 2124 |
{
|
2125 |
// Skip Config descriptor when returning Other_Speed_Config |
|
2126 |
continue; |
|
2127 |
} |
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2128 |
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2129 |
if (pos == KDescPosition_Otg) |
| 0 | 2130 |
{
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2131 |
// Skip otg descriptor just now. add it when pos is count, so that OTG are added at the end |
| 0 | 2132 |
continue; |
2133 |
} |
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2134 |
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2135 |
TUsbcDescriptorBase* ptr = NULL; |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2136 |
if (pos == count) |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2137 |
{
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2138 |
if (iDescriptors[KDescPosition_Otg] == NULL) |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2139 |
{
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2140 |
// Skip since there is no otg descriptor |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2141 |
__KTRACE_OPT(KUSB, Kern::Printf(" no otg descriptor"));
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2142 |
continue; |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2143 |
} |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2144 |
else |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2145 |
{
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2146 |
// add otg to the end of returned descriptors |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2147 |
ptr = iDescriptors[KDescPosition_Otg]; |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2148 |
} |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2149 |
} |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2150 |
else |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2151 |
{
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2152 |
ptr = iDescriptors[pos]; |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2153 |
} |
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2154 |
|
| 0 | 2155 |
// We need to edit endpoint descriptors on the fly because we have only one copy |
2156 |
// of each and that copy has to contain different information, depending on the |
|
2157 |
// current speed and the type of descriptor requested. |
|
2158 |
if (ptr->Type() == KUsbDescType_Endpoint) |
|
2159 |
{
|
|
2160 |
if ((iHighSpeed && (aIndex == KDescPosition_Config)) || |
|
2161 |
(!iHighSpeed && (aIndex == KDescPosition_OtherSpeedConfig))) |
|
2162 |
{
|
|
2163 |
ptr->UpdateHs(); |
|
2164 |
} |
|
2165 |
else |
|
2166 |
{
|
|
2167 |
ptr->UpdateFs(); |
|
2168 |
} |
|
2169 |
} |
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2170 |
|
| 0 | 2171 |
__KTRACE_OPT(KUSB, Kern::Printf(" desc[%02d]: type = 0x%02x size = %d ",
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2172 |
pos, ptr->Type(), ptr->Size())); |
| 0 | 2173 |
const TInt size = ptr->GetDescriptorData(buf, KUsbcBufSz_Ep0Tx - copied); |
2174 |
if (size == 0) |
|
2175 |
{
|
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2176 |
|
| 0 | 2177 |
__KTRACE_OPT(KPANIC, |
2178 |
Kern::Printf(" Error: No Tx buffer space to copy this descriptor -> exiting"));
|
|
2179 |
break; |
|
2180 |
} |
|
2181 |
copied += size; |
|
2182 |
if (copied >= KUsbcBufSz_Ep0Tx) |
|
2183 |
{
|
|
2184 |
__KTRACE_OPT(KPANIC, |
|
2185 |
Kern::Printf(" Error: No Tx buffer space left -> stopping here"));
|
|
2186 |
break; |
|
2187 |
} |
|
2188 |
buf += size; |
|
2189 |
} |
|
|
97
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2190 |
|
|
41f0cfe18c80
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
2191 |
|
| 0 | 2192 |
__KTRACE_OPT(KUSB, Kern::Printf(" copied %d bytes", copied));
|
2193 |
return copied; |
|
2194 |
} |
|
2195 |
||
2196 |
||
2197 |
// |
|
2198 |
// Put the current OTG descriptor in the Ep0 Tx buffer. |
|
2199 |
// Only used for Ep0 standard requests, so target buffer can be hard-wired. |
|
2200 |
// |
|
2201 |
TInt TUsbcDescriptorPool::GetOtgDescriptor() const |
|
2202 |
{
|
|
2203 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetOtgDescriptor()"));
|
|
2204 |
if (iDescriptors[KDescPosition_Otg] == NULL) |
|
2205 |
{
|
|
2206 |
__KTRACE_OPT(KUSB, Kern::Printf(" OTG Descriptor not set"));
|
|
2207 |
return 0; |
|
2208 |
} |
|
2209 |
return iDescriptors[KDescPosition_Otg]->GetDescriptorData(iEp0_TxBuf, KUsbcBufSz_Ep0Tx); |
|
2210 |
} |
|
2211 |
||
2212 |
||
2213 |
// |
|
2214 |
// Put a specific String descriptor in the Ep0 Tx buffer. |
|
2215 |
// Only used for Ep0 standard requests, so target buffer can be hard-wired. |
|
2216 |
// |
|
2217 |
TInt TUsbcDescriptorPool::GetStringDescriptor(TInt aIndex) const |
|
2218 |
{
|
|
2219 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetStringDescriptor(%d)", aIndex));
|
|
2220 |
// I really would have liked to display the descriptor contents here, but without trailing zero |
|
2221 |
// we got a problem: how can we tell printf where the string ends? We would have to |
|
2222 |
// dynamically allocate memory (since we don't know the size in advance), copy the descriptor |
|
2223 |
// contents there, append a zero, and give this to printf. That's a bit too much effort... |
|
2224 |
if (!StringDescriptorExists(aIndex)) |
|
2225 |
{
|
|
2226 |
return 0; |
|
2227 |
} |
|
2228 |
return iStrings[aIndex]->GetDescriptorData(iEp0_TxBuf, KUsbcBufSz_Ep0Tx); |
|
2229 |
} |
|
2230 |
||
2231 |
||
2232 |
// |
|
2233 |
// Write a String descriptor pointed to by the Device descriptor to the user side |
|
2234 |
// (one of Manufacturer, Product, SerialNumber). |
|
2235 |
// |
|
2236 |
TInt TUsbcDescriptorPool::GetDeviceStringDescriptorTC(DThread* aThread, TDes8& aString, |
|
2237 |
TInt aIndex, TInt aPosition) const |
|
2238 |
{
|
|
2239 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::GetDeviceStringDescriptorTC()"));
|
|
2240 |
const TInt str_idx = iDescriptors[KDescPosition_Device]->Byte(aIndex); |
|
2241 |
if (str_idx) |
|
2242 |
{
|
|
2243 |
__ASSERT_ALWAYS((str_idx == aPosition), Kern::Fault(KUsbPanicCat, __LINE__)); |
|
2244 |
__KTRACE_OPT(KUSB, Kern::Printf(" String @ pos %d (device $): \"%S\"",
|
|
2245 |
str_idx, &iStrings[str_idx]->StringData())); |
|
2246 |
return Kern::ThreadDesWrite(aThread, &aString, |
|
2247 |
iStrings[str_idx]->StringData(), 0); |
|
2248 |
} |
|
2249 |
else |
|
2250 |
{
|
|
2251 |
__KTRACE_OPT(KUSB, Kern::Printf(" No string descriptor @ pos %d", aIndex));
|
|
2252 |
return KErrNotFound; |
|
2253 |
} |
|
2254 |
} |
|
2255 |
||
2256 |
||
2257 |
// |
|
2258 |
// Read a Device String descriptor from the user side and put in the descriptor arrays |
|
2259 |
// (one of Manufacturer, Product, SerialNumber). |
|
2260 |
// |
|
2261 |
TInt TUsbcDescriptorPool::SetDeviceStringDescriptorTC(DThread* aThread, const TDes8& aString, |
|
2262 |
TInt aIndex, TInt aPosition) |
|
2263 |
{
|
|
2264 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::SetDeviceStringDescriptorTC()"));
|
|
2265 |
// we don't know the length of the string, so we have to allocate memory dynamically |
|
2266 |
TUint strlen = Kern::ThreadGetDesLength(aThread, &aString); |
|
2267 |
if (strlen > KUsbStringDescStringMaxSize) |
|
2268 |
{
|
|
2269 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Warning: $ descriptor too long - will be truncated"));
|
|
2270 |
strlen = KUsbStringDescStringMaxSize; |
|
2271 |
} |
|
2272 |
HBuf8* const strbuf = HBuf8::New(strlen); |
|
2273 |
if (!strbuf) |
|
2274 |
{
|
|
2275 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Memory allocation for dev $ desc string failed (1)"));
|
|
2276 |
return KErrNoMemory; |
|
2277 |
} |
|
2278 |
strbuf->SetMax(); |
|
2279 |
// the aString points to data that lives in user memory, so we have to copy it: |
|
2280 |
const TInt r = Kern::ThreadDesRead(aThread, &aString, *strbuf, 0); |
|
2281 |
if (r != KErrNone) |
|
2282 |
{
|
|
2283 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Thread read error"));
|
|
2284 |
delete strbuf; |
|
2285 |
return r; |
|
2286 |
} |
|
2287 |
TUsbcStringDescriptor* const sd = TUsbcStringDescriptor::New(*strbuf); |
|
2288 |
if (!sd) |
|
2289 |
{
|
|
2290 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Memory allocation for dev $ desc failed (2)"));
|
|
2291 |
delete strbuf; |
|
2292 |
return KErrNoMemory; |
|
2293 |
} |
|
2294 |
ExchangeStringDescriptor(aPosition, sd); |
|
2295 |
iDescriptors[KDescPosition_Device]->SetByte(aIndex, aPosition); |
|
2296 |
delete strbuf; |
|
2297 |
return r; |
|
2298 |
} |
|
2299 |
||
2300 |
||
2301 |
// |
|
2302 |
// Remove a Device String descriptor from the descriptor arrays |
|
2303 |
// (one of Manufacturer, Product, SerialNumber). |
|
2304 |
// |
|
2305 |
TInt TUsbcDescriptorPool::RemoveDeviceStringDescriptor(TInt aIndex, TInt aPosition) |
|
2306 |
{
|
|
2307 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::RemoveDeviceStringDescriptor()"));
|
|
2308 |
if (iDescriptors[KDescPosition_Device]->Byte(aIndex) == 0) |
|
2309 |
{
|
|
2310 |
__KTRACE_OPT(KUSB, Kern::Printf(" RemoveDeviceStringDescriptor: no $ desc @ index %d", aIndex));
|
|
2311 |
return KErrNotFound; |
|
2312 |
} |
|
2313 |
ExchangeStringDescriptor(aPosition, NULL); |
|
2314 |
iDescriptors[KDescPosition_Device]->SetByte(aIndex, 0); |
|
2315 |
return KErrNone; |
|
2316 |
} |
|
2317 |
||
2318 |
||
2319 |
// |
|
2320 |
// Puts aDesc at postion aIndex in the string descriptor array, after deleting what was (possibly) there. |
|
2321 |
// |
|
2322 |
void TUsbcDescriptorPool::ExchangeStringDescriptor(TInt aIndex, const TUsbcStringDescriptor* aDesc) |
|
2323 |
{
|
|
2324 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::ExchangeStringDescriptor()"));
|
|
2325 |
TUsbcStringDescriptorBase* const ptr = iStrings[aIndex]; |
|
2326 |
__KTRACE_OPT(KUSB, Kern::Printf(" Deleting string descriptor at index %d: 0x%x", aIndex, ptr));
|
|
2327 |
iStrings.Remove(aIndex); |
|
2328 |
delete ptr; |
|
2329 |
__KTRACE_OPT(KUSB, Kern::Printf(" Inserting string descriptor at index %d: 0x%x", aIndex, aDesc));
|
|
2330 |
iStrings.Insert(aDesc, aIndex); |
|
2331 |
} |
|
2332 |
||
2333 |
||
2334 |
// |
|
2335 |
// Checks whether there are any string descriptors in the array (apart from LangID). |
|
2336 |
// |
|
2337 |
TBool TUsbcDescriptorPool::AnyStringDescriptors() const |
|
2338 |
{
|
|
2339 |
const TInt n = iStrings.Count(); |
|
2340 |
for (TInt i = 1; i < n; i++) |
|
2341 |
{
|
|
2342 |
if (iStrings[i] != NULL) |
|
2343 |
return ETrue; |
|
2344 |
} |
|
2345 |
return EFalse; |
|
2346 |
} |
|
2347 |
||
2348 |
||
2349 |
// |
|
2350 |
// Returns true if aIndex exists and what is at that positition is not a NULL pointer. |
|
2351 |
// |
|
2352 |
TBool TUsbcDescriptorPool::StringDescriptorExists(TInt aIndex) const |
|
2353 |
{
|
|
2354 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::StringDescriptorExists()"));
|
|
2355 |
if (aIndex >= iStrings.Count()) |
|
2356 |
{
|
|
2357 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Bad string index: %d", aIndex));
|
|
2358 |
return EFalse; |
|
2359 |
} |
|
2360 |
else if (iStrings[aIndex] == NULL) |
|
2361 |
{
|
|
2362 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: No $ descriptor @ pos %d", aIndex));
|
|
2363 |
return EFalse; |
|
2364 |
} |
|
2365 |
return ETrue; |
|
2366 |
} |
|
2367 |
||
2368 |
||
2369 |
// |
|
2370 |
// |
|
2371 |
// |
|
2372 |
TInt TUsbcDescriptorPool::FindAvailableStringPos() const |
|
2373 |
{
|
|
2374 |
__KTRACE_OPT(KUSB, Kern::Printf("TUsbcDescriptorPool::FindAvailableStringPos()"));
|
|
2375 |
const TInt n = iStrings.Count(); |
|
2376 |
// We don't start from 0 because the first few locations are 'reserved'. |
|
2377 |
for (TInt i = KStringPosition_FirstAvailable; i < n; i++) |
|
2378 |
{
|
|
2379 |
if (iStrings[i] == NULL) |
|
2380 |
{
|
|
2381 |
__KTRACE_OPT(KUSB, Kern::Printf(" Found available NULL position: %d", i));
|
|
2382 |
return i; |
|
2383 |
} |
|
2384 |
} |
|
2385 |
return -1; |
|
2386 |
} |
|
2387 |
||
2388 |
||
2389 |
// -eof- |