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// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of the License "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// e32/drivers/usbcc/chapter9.cpp
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// Platform independent layer (PIL) of the USB Device controller driver:
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// Processing of USB spec chapter 9 standard requests.
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//
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//
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/**
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@file chapter9.cpp
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@internalTechnology
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*/
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#include <drivers/usbc.h>
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//#define ENABLE_EXCESSIVE_DEBUG_OUTPUT
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//
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// The way functions are called after an request has been completed by the PSL:
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//
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// Ep0RequestComplete
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// |
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// ------------------------------------------------
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// | |
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// ProcessEp0ReceiveDone ProcessEp0TransmitDone
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// | |
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// --------------------------------------- |
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// | | |
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// ProcessEp0SetupReceived ProcessEp0DataReceived ProcessDataTransferDone
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// | |
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// --------------------- ---------------
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// | | | |
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// ProcessXXX ProcessDataTransferDone ProceedXXX ProcessDataTransferDone
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//
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// XXX = Specific_Request
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//
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//
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// === USB Controller member function implementation - PSL API (protected) ========================
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//
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/** Used to synchronize the Ep0 state machine between the PSL and PIL.
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Accepts a SETUP packet and returns the next Ep0 state.
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@param aSetupBuf The SETUP packet just received by the PSL.
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@return The next Ep0 state.
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@publishedPartner @released
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*/
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TUsbcEp0State DUsbClientController::EnquireEp0NextState(const TUint8* aSetupBuf) const
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{
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__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::EnquireEp0NextState()"));
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// This function may be called by the PSL from within an ISR -- so we have
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// to take care what we do here (and also in all functions that get called
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// from here).
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if (SWAP_BYTES_16((reinterpret_cast<const TUint16*>(aSetupBuf)[3])) == 0) // iLength
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{
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__KTRACE_OPT(KUSB, Kern::Printf(" --> EEp0StateStatusIn"));
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return EEp0StateStatusIn; // No-data Control => Status_IN
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}
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else if ((aSetupBuf[0] & KUsbRequestType_DirMask) == KUsbRequestType_DirToDev)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(" --> EEp0StateDataOut"));
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return EEp0StateDataOut; // Control Write => Data_OUT
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}
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else
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{
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__KTRACE_OPT(KUSB, Kern::Printf(" --> EEp0StateDataIn"));
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return EEp0StateDataIn; // Control Read => Data_IN
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}
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}
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TInt DUsbClientController::ProcessEp0ReceiveDone(TInt aCount)
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{
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__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessEp0ReceiveDone()"));
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TInt r;
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if (iEp0DataReceiving == EFalse)
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{
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// It's obviously a Setup packet, so...
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r = ProcessEp0SetupReceived(aCount);
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}
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else
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{
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// If it isn't a Setup, it must be data...
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// (This is actually not quite true, as it could also be - in theory - a new Setup packet
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// when the host has abandoned, for whatever reason, the previous one which was still
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// in progress. However no such case is known to have occurred with this driver, or at
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// least it didn't lead to problems.
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// Some UDCs have a dedicated interrupt for Setup packets, but so far this driver hasn't
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// made use of such a feature (as it would require a PSL/PIL API change).)
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r = ProcessEp0DataReceived(aCount);
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}
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return r;
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}
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TInt DUsbClientController::ProcessEp0TransmitDone(TInt aCount, TInt aError)
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{
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__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessEp0TransmitDone()"));
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// In any case: there's now no longer a write pending
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iEp0WritePending = EFalse;
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// If it was a client who set up this transmission, we report to that client
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if (iEp0ClientDataTransmitting)
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{
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iEp0ClientDataTransmitting = EFalse;
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TUsbcRequestCallback* const p = iRequestCallbacks[KEp0_Tx];
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if (p)
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{
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__ASSERT_DEBUG((p->iTransferDir == EControllerWrite), Kern::Fault(KUsbPILPanicCat, __LINE__));
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p->iError = aError;
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p->iTxBytes = aCount;
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ProcessDataTransferDone(*p);
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return KErrNone;
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}
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: DUsbClientController::ProcessEpTransmitDone: Stalling Ep0"));
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StallEndpoint(KEp0_In); // request not found
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return KErrNotFound;
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}
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// If _we_ sent the data, we simply do nothing here...
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return KErrNone;
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}
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#define USB_PROCESS_REQUEST(request) \
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if (Process ## request(packet) != KErrNone) \
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{ \
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__KTRACE_OPT(KUSB, \
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Kern::Printf(" ProcessEp0SetupReceived: Stalling Ep0")); \
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StallEndpoint(KEp0_In); \
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}
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TInt DUsbClientController::ProcessEp0SetupReceived(TInt aCount)
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{
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__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessEp0SetupReceived()"));
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if (aCount > iEp0MaxPacketSize)
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{
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// Fatal error: too much data!
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aCount = iEp0MaxPacketSize;
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}
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// first we split the data into meaningful units:
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TUsbcSetup packet;
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Buffer2Setup(iEp0_RxBuf, packet);
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#if defined(_DEBUG) && defined(ENABLE_EXCESSIVE_DEBUG_OUTPUT)
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// let's see what we've got:
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__KTRACE_OPT(KUSB, Kern::Printf(" bmRequestType = 0x%02x", packet.iRequestType));
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if ((packet.iRequestType & KUsbRequestType_TypeMask) == KUsbRequestType_TypeStd)
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{
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switch (packet.iRequest)
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{
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case KUsbRequest_GetStatus:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (GET_STATUS)",
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KUsbRequest_GetStatus));
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break;
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case KUsbRequest_ClearFeature:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (CLEAR_FEATURE)",
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KUsbRequest_ClearFeature));
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break;
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case KUsbRequest_SetFeature:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (SET_FEATURE)",
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KUsbRequest_SetFeature));
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break;
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case KUsbRequest_SetAddress:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (SET_ADDRESS)",
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KUsbRequest_SetAddress));
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break;
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case KUsbRequest_GetDescriptor:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (GET_DESCRIPTOR)",
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KUsbRequest_GetDescriptor));
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break;
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case KUsbRequest_SetDescriptor:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (SET_DESCRIPTOR)",
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KUsbRequest_SetDescriptor));
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break;
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case KUsbRequest_GetConfig:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (GET_CONFIGURATION)",
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KUsbRequest_GetConfig));
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break;
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case KUsbRequest_SetConfig:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (SET_CONFIGURATION)",
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KUsbRequest_SetConfig));
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break;
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case KUsbRequest_GetInterface:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (GET_INTERFACE)",
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KUsbRequest_GetInterface));
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break;
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case KUsbRequest_SetInterface:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (SET_INTERFACE)",
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KUsbRequest_SetInterface));
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break;
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case KUsbRequest_SynchFrame:
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (SYNCH_FRAME)",
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KUsbRequest_SynchFrame));
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break;
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default:
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: bRequest = 0x%02x (UNKNWON STANDARD REQUEST)",
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packet.iRequest));
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break;
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}
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}
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else
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{
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__KTRACE_OPT(KUSB, Kern::Printf(" bRequest = 0x%02x (NON-STANDARD REQUEST)",
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packet.iRequest));
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}
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__KTRACE_OPT(KUSB, Kern::Printf(" wValue = 0x%04x", packet.iValue));
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__KTRACE_OPT(KUSB, Kern::Printf(" wIndex = 0x%04x", packet.iIndex));
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__KTRACE_OPT(KUSB, Kern::Printf(" wLength = 0x%04x", packet.iLength));
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#endif // defined(_DEBUG) && defined(ENABLE_EXCESSIVE_DEBUG_OUTPUT)
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// now the actual analysis
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if ((packet.iRequestType & KUsbRequestType_TypeMask) == KUsbRequestType_TypeStd)
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{
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iEp0ReceivedNonStdRequest = EFalse;
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switch (packet.iRequest)
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{
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case KUsbRequest_GetStatus:
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switch (packet.iRequestType & KUsbRequestType_DestMask)
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{ // Recipient
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case KUsbRequestType_DestDevice:
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USB_PROCESS_REQUEST(GetDeviceStatus);
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break;
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case KUsbRequestType_DestIfc:
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USB_PROCESS_REQUEST(GetInterfaceStatus);
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break;
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case KUsbRequestType_DestEp:
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USB_PROCESS_REQUEST(GetEndpointStatus);
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break;
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default:
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: GET STATUS - Other or Unknown recipient"));
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__KTRACE_OPT(KPANIC, Kern::Printf(" -> DUsbClientController::ProcessEp0SetupReceived: "
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"Stalling Ep0"));
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StallEndpoint(KEp0_In);
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break;
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}
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break;
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case KUsbRequest_ClearFeature:
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case KUsbRequest_SetFeature:
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switch (packet.iRequestType & KUsbRequestType_DestMask)
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{ // Recipient
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case KUsbRequestType_DestDevice:
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USB_PROCESS_REQUEST(SetClearDevFeature);
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break;
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case KUsbRequestType_DestIfc:
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USB_PROCESS_REQUEST(SetClearIfcFeature);
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break;
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case KUsbRequestType_DestEp:
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USB_PROCESS_REQUEST(SetClearEpFeature);
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break;
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default:
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: SET/CLEAR FEATURE - "
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"Other or Unknown recipient"));
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__KTRACE_OPT(KPANIC, Kern::Printf(" -> Stalling Ep0"));
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StallEndpoint(KEp0_In);
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break;
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}
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break;
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case KUsbRequest_SetAddress:
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USB_PROCESS_REQUEST(SetAddress);
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break;
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case KUsbRequest_GetDescriptor:
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USB_PROCESS_REQUEST(GetDescriptor);
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break;
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case KUsbRequest_SetDescriptor:
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USB_PROCESS_REQUEST(SetDescriptor);
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break;
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case KUsbRequest_GetConfig:
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USB_PROCESS_REQUEST(GetConfiguration);
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break;
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case KUsbRequest_SetConfig:
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USB_PROCESS_REQUEST(SetConfiguration);
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break;
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case KUsbRequest_GetInterface:
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USB_PROCESS_REQUEST(GetInterface);
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break;
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case KUsbRequest_SetInterface:
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USB_PROCESS_REQUEST(SetInterface);
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break;
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case KUsbRequest_SynchFrame:
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USB_PROCESS_REQUEST(SynchFrame);
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break;
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default:
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Unknown/unsupported Std Setup Request"));
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__KTRACE_OPT(KPANIC, Kern::Printf(" -> Stalling Ep0"));
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StallEndpoint(KEp0_In);
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break;
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}
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}
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else
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{
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// Type mask != KUsbRequestType_TypeStd => class- or vendor-specific request
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iEp0ReceivedNonStdRequest = ETrue;
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const DBase* client = NULL;
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switch (packet.iRequestType & KUsbRequestType_DestMask)
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{ // Recipient
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case KUsbRequestType_DestDevice:
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client = iEp0DeviceControl;
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break;
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case KUsbRequestType_DestIfc:
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if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateConfigured)
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{
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
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}
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else
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{
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const TUsbcInterfaceSet* const ifcset_ptr =
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InterfaceNumber2InterfacePointer(packet.iIndex);
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if (ifcset_ptr)
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{
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if (ifcset_ptr->CurrentInterface()->iNoEp0Requests)
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{
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__KTRACE_OPT(KUSB, Kern::Printf(" Recipient says: NoEp0RequestsPlease"));
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}
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else
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{
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client = ifcset_ptr->iClientId;
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}
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}
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else
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{
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__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Interface 0x%02x does not exist",
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packet.iIndex));
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}
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}
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break;
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|
343 |
case KUsbRequestType_DestEp:
|
|
|
344 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateConfigured)
|
|
|
345 |
{
|
|
|
346 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
347 |
}
|
|
|
348 |
else if (EndpointExists(packet.iIndex) == EFalse)
|
|
|
349 |
{
|
|
|
350 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint 0x%02x does not exist",
|
|
|
351 |
packet.iIndex));
|
|
|
352 |
}
|
|
|
353 |
else
|
|
|
354 |
{
|
|
|
355 |
const TInt idx = EpAddr2Idx(packet.iIndex);
|
|
|
356 |
const TUsbcInterfaceSet* const ifcset_ptr =
|
|
|
357 |
iRealEndpoints[idx].iLEndpoint->iInterface->iInterfaceSet;
|
|
|
358 |
if (ifcset_ptr->CurrentInterface()->iNoEp0Requests)
|
|
|
359 |
{
|
|
|
360 |
__KTRACE_OPT(KUSB, Kern::Printf(" Recipient says: NoEp0RequestsPlease"));
|
|
|
361 |
}
|
|
|
362 |
else
|
|
|
363 |
{
|
|
|
364 |
client = ifcset_ptr->iClientId;
|
|
|
365 |
}
|
|
|
366 |
}
|
|
|
367 |
break;
|
|
|
368 |
default:
|
|
|
369 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Other or Unknown recipient"));
|
|
|
370 |
break;
|
|
|
371 |
}
|
|
|
372 |
if (client != NULL)
|
|
|
373 |
{
|
|
|
374 |
// Try to relay packet to the appropriate recipient
|
|
|
375 |
TSglQueIter<TUsbcRequestCallback> iter(iEp0ReadRequestCallbacks);
|
|
|
376 |
TUsbcRequestCallback* p;
|
|
|
377 |
while ((p = iter++) != NULL)
|
|
|
378 |
{
|
|
|
379 |
if (p->Owner() == client)
|
|
|
380 |
{
|
|
|
381 |
__ASSERT_DEBUG((p->iEndpointNum == 0), Kern::Fault(KUsbPILPanicCat, __LINE__));
|
|
|
382 |
__ASSERT_DEBUG((p->iTransferDir == EControllerRead), Kern::Fault(KUsbPILPanicCat, __LINE__));
|
|
|
383 |
__KTRACE_OPT(KUSB, Kern::Printf(" Found Ep0 read request"));
|
|
|
384 |
if (packet.iLength != 0)
|
|
|
385 |
{
|
|
|
386 |
if ((packet.iRequestType & KUsbRequestType_DirMask) == KUsbRequestType_DirToDev)
|
|
|
387 |
{
|
|
|
388 |
// Data transfer & direction OUT => there'll be a DATA_OUT stage
|
|
|
389 |
__KTRACE_OPT(KUSB, Kern::Printf(" Next is DATA_OUT: setting up DataOutVars"));
|
|
|
390 |
SetEp0DataOutVars(packet, client);
|
|
|
391 |
}
|
|
|
392 |
else if ((packet.iRequestType & KUsbRequestType_DirMask) == KUsbRequestType_DirToHost)
|
|
|
393 |
{
|
|
|
394 |
// For possible later use (ZLP).
|
|
|
395 |
iEp0_TxNonStdCount = packet.iLength;
|
|
|
396 |
}
|
|
|
397 |
}
|
|
|
398 |
memcpy(p->iBufferStart, iEp0_RxBuf, aCount);
|
|
|
399 |
p->iError = KErrNone; // if it wasn't 'KErrNone' we wouldn't be here
|
|
|
400 |
*(p->iPacketSize) = aCount;
|
|
|
401 |
p->iRxPackets = 1;
|
|
|
402 |
*(p->iPacketIndex) = 0;
|
|
|
403 |
ProcessDataTransferDone(*p);
|
|
|
404 |
return KErrNone;
|
|
|
405 |
}
|
|
|
406 |
}
|
|
|
407 |
__KTRACE_OPT(KUSB, Kern::Printf(" Ep0 read request not found: setting RxExtra vars (Setup)"));
|
|
|
408 |
iEp0_RxExtraCount = aCount;
|
|
|
409 |
iEp0_RxExtraData = ETrue;
|
|
|
410 |
return KErrNotFound;
|
|
|
411 |
}
|
|
|
412 |
else // if (client == NULL)
|
|
|
413 |
{
|
|
|
414 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Ep0 request error: Stalling Ep0"));
|
|
|
415 |
StallEndpoint(KEp0_In);
|
|
|
416 |
return KErrGeneral;
|
|
|
417 |
}
|
|
|
418 |
}
|
|
|
419 |
return KErrNone;
|
|
|
420 |
}
|
|
|
421 |
|
|
|
422 |
#undef USB_PROCESS_REQUEST
|
|
|
423 |
|
|
|
424 |
|
|
|
425 |
TInt DUsbClientController::ProcessEp0DataReceived(TInt aCount)
|
|
|
426 |
{
|
|
|
427 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessEp0DataReceived()"));
|
|
|
428 |
|
|
|
429 |
__KTRACE_OPT(KUSB, Kern::Printf(" : %d bytes", aCount));
|
|
|
430 |
|
|
|
431 |
if (aCount > iEp0MaxPacketSize)
|
|
|
432 |
{
|
|
|
433 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Too much data"));
|
|
|
434 |
aCount = iEp0MaxPacketSize;
|
|
|
435 |
}
|
|
|
436 |
iEp0DataReceived += aCount;
|
|
|
437 |
if (iEp0ClientId == NULL)
|
|
|
438 |
{
|
|
|
439 |
// it is us (not an app), who owns this transaction
|
|
|
440 |
switch (iSetup.iRequest)
|
|
|
441 |
{
|
|
|
442 |
#ifdef USB_SUPPORTS_SET_DESCRIPTOR_REQUEST
|
|
|
443 |
case KUsbRequest_SetDescriptor:
|
|
|
444 |
memcpy(iEp0_RxCollectionBuf + iEp0DataReceived, iEp0_RxBuf, aCount);
|
|
|
445 |
ProceedSetDescriptor();
|
|
|
446 |
break;
|
|
|
447 |
#endif
|
|
|
448 |
default:
|
|
|
449 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: invalid request in iSetup"));
|
|
|
450 |
__KTRACE_OPT(KPANIC, Kern::Printf(" -> DUsbClientController::ProcessEp0DataReceived: Stalling Ep0"));
|
|
|
451 |
StallEndpoint(KEp0_In);
|
|
|
452 |
ResetEp0DataOutVars();
|
|
|
453 |
break;
|
|
|
454 |
}
|
|
|
455 |
}
|
|
|
456 |
else
|
|
|
457 |
{
|
|
|
458 |
// pass the data on to a client
|
|
|
459 |
TSglQueIter<TUsbcRequestCallback> iter(iEp0ReadRequestCallbacks);
|
|
|
460 |
TUsbcRequestCallback* p;
|
|
|
461 |
while ((p = iter++) != NULL)
|
|
|
462 |
{
|
|
|
463 |
if (p->Owner() == iEp0ClientId)
|
|
|
464 |
{
|
|
|
465 |
__ASSERT_DEBUG((p->iEndpointNum == 0), Kern::Fault(KUsbPILPanicCat, __LINE__));
|
|
|
466 |
__ASSERT_DEBUG((p->iTransferDir == EControllerRead), Kern::Fault(KUsbPILPanicCat, __LINE__));
|
|
|
467 |
__KTRACE_OPT(KUSB, Kern::Printf(" Found Ep0 read request"));
|
|
|
468 |
memcpy(p->iBufferStart, iEp0_RxBuf, aCount);
|
|
|
469 |
p->iError = KErrNone; // if it wasn't 'KErrNone' we wouldn't be here
|
|
|
470 |
*(p->iPacketSize) = aCount;
|
|
|
471 |
p->iRxPackets = 1;
|
|
|
472 |
*(p->iPacketIndex) = 0;
|
|
|
473 |
ProcessDataTransferDone(*p);
|
|
|
474 |
goto found;
|
|
|
475 |
}
|
|
|
476 |
}
|
|
|
477 |
__KTRACE_OPT(KUSB, Kern::Printf(" Ep0 read request not found: setting RxExtra vars (Data)"));
|
|
|
478 |
iEp0_RxExtraCount = aCount;
|
|
|
479 |
iEp0_RxExtraData = ETrue;
|
|
|
480 |
iEp0DataReceived -= aCount;
|
|
|
481 |
return KErrNotFound;
|
|
|
482 |
}
|
|
|
483 |
found:
|
|
|
484 |
if (iEp0DataReceived >= iSetup.iLength)
|
|
|
485 |
{
|
|
|
486 |
// all data seems now to be here
|
|
|
487 |
ResetEp0DataOutVars();
|
|
|
488 |
}
|
|
|
489 |
return KErrNone;
|
|
|
490 |
}
|
|
|
491 |
|
|
|
492 |
|
|
|
493 |
// --- The USB Spec Chapter 9 Standard Endpoint Zero Device Requests ---
|
|
|
494 |
|
|
|
495 |
TInt DUsbClientController::ProcessGetDeviceStatus(const TUsbcSetup& aPacket)
|
|
|
496 |
{
|
|
|
497 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessGetDeviceStatus()"));
|
|
|
498 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateAddress)
|
|
|
499 |
{
|
|
|
500 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
501 |
return KErrGeneral;
|
|
|
502 |
}
|
|
|
503 |
const TUint16 status = ((DeviceSelfPowered() ? KUsbDevStat_SelfPowered : 0) |
|
|
|
504 |
(iRmWakeupStatus_Enabled ? KUsbDevStat_RemoteWakeup : 0));
|
|
|
505 |
__KTRACE_OPT(KUSB, Kern::Printf(" Reporting device status: 0x%02x", status));
|
|
|
506 |
*reinterpret_cast<TUint16*>(iEp0_TxBuf) = SWAP_BYTES_16(status);
|
|
|
507 |
if (SetupEndpointZeroWrite(iEp0_TxBuf, sizeof(status)) == KErrNone)
|
|
|
508 |
{
|
|
|
509 |
iEp0WritePending = ETrue;
|
|
|
510 |
}
|
|
|
511 |
return KErrNone;
|
|
|
512 |
}
|
|
|
513 |
|
|
|
514 |
|
|
|
515 |
TInt DUsbClientController::ProcessGetInterfaceStatus(const TUsbcSetup& aPacket)
|
|
|
516 |
{
|
|
|
517 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessGetInterfaceStatus()"));
|
|
|
518 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateConfigured)
|
|
|
519 |
{
|
|
|
520 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
521 |
return KErrGeneral;
|
|
|
522 |
}
|
|
|
523 |
if (InterfaceExists(aPacket.iIndex) == EFalse)
|
|
|
524 |
{
|
|
|
525 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Interface does not exist"));
|
|
|
526 |
return KErrGeneral;
|
|
|
527 |
}
|
|
|
528 |
const TUint16 status = 0x0000; // as of USB Spec 2.0
|
|
|
529 |
__KTRACE_OPT(KUSB, Kern::Printf(" Reporting interface status: 0x%02x", status));
|
|
|
530 |
*reinterpret_cast<TUint16*>(iEp0_TxBuf) = SWAP_BYTES_16(status);
|
|
|
531 |
if (SetupEndpointZeroWrite(iEp0_TxBuf, sizeof(status)) == KErrNone)
|
|
|
532 |
{
|
|
|
533 |
iEp0WritePending = ETrue;
|
|
|
534 |
}
|
|
|
535 |
return KErrNone;
|
|
|
536 |
}
|
|
|
537 |
|
|
|
538 |
|
|
|
539 |
TInt DUsbClientController::ProcessGetEndpointStatus(const TUsbcSetup& aPacket)
|
|
|
540 |
{
|
|
|
541 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessGetEndpointStatus()"));
|
|
|
542 |
if (iTrackDeviceState &&
|
|
|
543 |
((iDeviceState < EUsbcDeviceStateAddress) ||
|
|
|
544 |
(iDeviceState == EUsbcDeviceStateAddress && (aPacket.iIndex & KUsbEpAddress_Portmask) != 0)))
|
|
|
545 |
{
|
|
|
546 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
547 |
return KErrGeneral;
|
|
|
548 |
}
|
|
|
549 |
if (EndpointExists(aPacket.iIndex) == EFalse)
|
|
|
550 |
{
|
|
|
551 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint does not exist"));
|
|
|
552 |
return KErrGeneral;
|
|
|
553 |
}
|
|
|
554 |
const TInt ep = EpAddr2Idx(aPacket.iIndex);
|
|
|
555 |
const TUint16 status = (iRealEndpoints[ep].iHalt) ? KUsbEpStat_Halt : 0;
|
|
|
556 |
__KTRACE_OPT(KUSB, Kern::Printf(" Reporting endpoint status 0x%02x for real endpoint %d",
|
|
|
557 |
status, ep));
|
|
|
558 |
*reinterpret_cast<TUint16*>(iEp0_TxBuf) = SWAP_BYTES_16(status);
|
|
|
559 |
if (SetupEndpointZeroWrite(iEp0_TxBuf, 2) == KErrNone)
|
|
|
560 |
{
|
|
|
561 |
iEp0WritePending = ETrue;
|
|
|
562 |
}
|
|
|
563 |
return KErrNone;
|
|
|
564 |
}
|
|
|
565 |
|
|
|
566 |
|
|
|
567 |
TInt DUsbClientController::ProcessSetClearDevFeature(const TUsbcSetup& aPacket)
|
|
|
568 |
{
|
|
|
569 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessSetClearDevFeature()"));
|
|
|
570 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateDefault)
|
|
|
571 |
{
|
|
|
572 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
573 |
return KErrGeneral;
|
|
|
574 |
}
|
|
|
575 |
|
|
|
576 |
TUint test_sel = 0;
|
|
|
577 |
|
|
|
578 |
if (aPacket.iRequest == KUsbRequest_SetFeature)
|
|
|
579 |
{
|
|
|
580 |
switch (aPacket.iValue)
|
|
|
581 |
{
|
|
|
582 |
case KUsbFeature_RemoteWakeup:
|
|
|
583 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateAddress)
|
|
|
584 |
{
|
|
|
585 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
586 |
return KErrGeneral;
|
|
|
587 |
}
|
|
|
588 |
iRmWakeupStatus_Enabled = ETrue;
|
|
|
589 |
break;
|
|
|
590 |
case KUsbFeature_TestMode:
|
|
|
591 |
if (!iHighSpeed)
|
|
|
592 |
{
|
|
|
593 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Request only supported in High-Speed mode"));
|
|
|
594 |
return KErrGeneral;
|
|
|
595 |
}
|
|
|
596 |
if (LowByte(aPacket.iIndex) != 0)
|
|
|
597 |
{
|
|
|
598 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Lower byte of wIndex must be zero"));
|
|
|
599 |
return KErrGeneral;
|
|
|
600 |
}
|
|
|
601 |
test_sel = HighByte(aPacket.iIndex);
|
|
|
602 |
if ((test_sel < KUsbTestSelector_Test_J) || (test_sel > KUsbTestSelector_Test_Force_Enable))
|
|
|
603 |
{
|
|
|
604 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid test selector: %d", test_sel));
|
|
|
605 |
return KErrGeneral;
|
|
|
606 |
}
|
|
|
607 |
break;
|
|
|
608 |
case KUsbFeature_B_HnpEnable:
|
|
|
609 |
if (!iOtgSupport)
|
|
|
610 |
{
|
|
|
611 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Request only supported on a OTG device"));
|
|
|
612 |
return KErrGeneral;
|
|
|
613 |
}
|
|
|
614 |
if (!(iOtgFuncMap & KUsbOtgAttr_HnpSupp))
|
|
|
615 |
{
|
|
|
616 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Request only valid if OTG device supports HNP"));
|
|
|
617 |
return KErrGeneral;
|
|
|
618 |
}
|
|
|
619 |
iOtgFuncMap |= KUsbOtgAttr_B_HnpEnable;
|
|
|
620 |
OtgFeaturesNotify();
|
|
|
621 |
break;
|
|
|
622 |
case KUsbFeature_A_HnpSupport:
|
|
|
623 |
if (!iOtgSupport)
|
|
|
624 |
{
|
|
|
625 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Request only supported on a OTG device"));
|
|
|
626 |
return KErrGeneral;
|
|
|
627 |
}
|
|
|
628 |
if (!(iOtgFuncMap & KUsbOtgAttr_HnpSupp))
|
|
|
629 |
{
|
|
|
630 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Request only valid if OTG device supports HNP"));
|
|
|
631 |
return KErrGeneral;
|
|
|
632 |
}
|
|
|
633 |
iOtgFuncMap |= KUsbOtgAttr_A_HnpSupport;
|
|
|
634 |
OtgFeaturesNotify();
|
|
|
635 |
break;
|
|
|
636 |
case KUsbFeature_A_AltHnpSupport:
|
|
|
637 |
if (!iOtgSupport)
|
|
|
638 |
{
|
|
|
639 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Request only supported on a OTG device"));
|
|
|
640 |
return KErrGeneral;
|
|
|
641 |
}
|
|
|
642 |
if (!(iOtgFuncMap & KUsbOtgAttr_HnpSupp))
|
|
|
643 |
{
|
|
|
644 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Request only valid if OTG device supports HNP"));
|
|
|
645 |
return KErrGeneral;
|
|
|
646 |
}
|
|
|
647 |
iOtgFuncMap |= KUsbOtgAttr_A_AltHnpSupport;
|
|
|
648 |
OtgFeaturesNotify();
|
|
|
649 |
break;
|
|
|
650 |
default:
|
|
|
651 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Unknown feature requested"));
|
|
|
652 |
return KErrGeneral;
|
|
|
653 |
}
|
|
|
654 |
}
|
|
|
655 |
else // KUsbRequest_ClearFeature
|
|
|
656 |
{
|
|
|
657 |
switch (aPacket.iValue)
|
|
|
658 |
{
|
|
|
659 |
case KUsbFeature_RemoteWakeup:
|
|
|
660 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateAddress)
|
|
|
661 |
{
|
|
|
662 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
663 |
return KErrGeneral;
|
|
|
664 |
}
|
|
|
665 |
iRmWakeupStatus_Enabled = EFalse;
|
|
|
666 |
break;
|
|
|
667 |
default:
|
|
|
668 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Unknown feature requested"));
|
|
|
669 |
return KErrGeneral;
|
|
|
670 |
}
|
|
|
671 |
}
|
|
|
672 |
|
|
|
673 |
SendEp0ZeroByteStatusPacket(); // success: zero bytes data during status stage
|
|
|
674 |
|
|
|
675 |
// 9.4.9: "The transition to test mode of an upstream facing port must not happen until
|
|
|
676 |
// after the status stage of the request."
|
|
|
677 |
if (test_sel)
|
|
|
678 |
{
|
|
|
679 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Entering HS Test Mode %d", test_sel));
|
|
|
680 |
EnterTestMode(test_sel);
|
|
|
681 |
}
|
|
|
682 |
|
|
|
683 |
return KErrNone;
|
|
|
684 |
}
|
|
|
685 |
|
|
|
686 |
|
|
|
687 |
TInt DUsbClientController::ProcessSetClearIfcFeature(const TUsbcSetup& aPacket)
|
|
|
688 |
{
|
|
|
689 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessSetClearIfcFeature()"));
|
|
|
690 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateConfigured)
|
|
|
691 |
{
|
|
|
692 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
693 |
return KErrGeneral;
|
|
|
694 |
}
|
|
|
695 |
// No interface features defined in USB spec, thus
|
|
|
696 |
return KErrGeneral;
|
|
|
697 |
}
|
|
|
698 |
|
|
|
699 |
|
|
|
700 |
TInt DUsbClientController::ProcessSetClearEpFeature(const TUsbcSetup& aPacket)
|
|
|
701 |
{
|
|
|
702 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessSetClearEpFeature()"));
|
|
|
703 |
if (iTrackDeviceState &&
|
|
|
704 |
((iDeviceState < EUsbcDeviceStateAddress) ||
|
|
|
705 |
(iDeviceState == EUsbcDeviceStateAddress && (aPacket.iIndex & KUsbEpAddress_Portmask) != 0)))
|
|
|
706 |
{
|
|
|
707 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
708 |
return KErrGeneral;
|
|
|
709 |
}
|
|
|
710 |
if (aPacket.iValue != KUsbFeature_EndpointHalt)
|
|
|
711 |
{
|
|
|
712 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Unknown feature requested"));
|
|
|
713 |
return KErrGeneral;
|
|
|
714 |
}
|
|
|
715 |
if (EndpointExists(aPacket.iIndex) == EFalse)
|
|
|
716 |
{
|
|
|
717 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint does not exist"));
|
|
|
718 |
return KErrGeneral;
|
|
|
719 |
}
|
|
|
720 |
const TInt ep = EpAddr2Idx(aPacket.iIndex);
|
|
|
721 |
if (iRealEndpoints[ep].iLEndpoint->iInfo.iType == KUsbEpTypeControl ||
|
|
|
722 |
iRealEndpoints[ep].iLEndpoint->iInfo.iType == KUsbEpTypeIsochronous)
|
|
|
723 |
{
|
|
|
724 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint is Control or Isochronous"));
|
|
|
725 |
return KErrGeneral;
|
|
|
726 |
}
|
|
|
727 |
SetClearHaltFeature(ep, aPacket.iRequest);
|
|
|
728 |
SendEp0ZeroByteStatusPacket(); // success: zero bytes data during status stage
|
|
|
729 |
return KErrNone;
|
|
|
730 |
}
|
|
|
731 |
|
|
|
732 |
|
|
|
733 |
TInt DUsbClientController::ProcessSetAddress(const TUsbcSetup& aPacket)
|
|
|
734 |
{
|
|
|
735 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessSetAddress()"));
|
|
|
736 |
if (iTrackDeviceState && iDeviceState > EUsbcDeviceStateAddress)
|
|
|
737 |
{
|
|
|
738 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
739 |
return KErrGeneral;
|
|
|
740 |
}
|
|
|
741 |
const TUint16 addr = aPacket.iValue;
|
|
|
742 |
if (addr > 127)
|
|
|
743 |
{
|
|
|
744 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Bad address value: %d (>127)", addr));
|
|
|
745 |
return KErrGeneral;
|
|
|
746 |
}
|
|
|
747 |
if (addr == 0)
|
|
|
748 |
{
|
|
|
749 |
// Enter Default state (from Default or Address)
|
|
|
750 |
NextDeviceState(EUsbcDeviceStateDefault);
|
|
|
751 |
}
|
|
|
752 |
__KTRACE_OPT(KUSB, Kern::Printf(" USB address: %d", addr));
|
|
|
753 |
// The spec says, under section 9.4.6:
|
|
|
754 |
// "Stages after the initial Setup packet assume the same device address as the Setup packet. The USB
|
|
|
755 |
// device does not change its device address until after the Status stage of this request is completed
|
|
|
756 |
// successfully. Note that this is a difference between this request and all other requests. For all other
|
|
|
757 |
// requests, the operation indicated must be completed before the Status stage."
|
|
|
758 |
// Therefore, here we first send the status packet and only then actually execute the request.
|
|
|
759 |
SendEp0ZeroByteStatusPacket();
|
|
|
760 |
SetDeviceAddress(addr);
|
|
|
761 |
return KErrNone;
|
|
|
762 |
}
|
|
|
763 |
|
|
|
764 |
|
|
|
765 |
TInt DUsbClientController::ProcessGetDescriptor(const TUsbcSetup& aPacket)
|
|
|
766 |
{
|
|
|
767 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessGetDescriptor()"));
|
|
|
768 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateDefault)
|
|
|
769 |
{
|
|
|
770 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
771 |
return KErrGeneral;
|
|
|
772 |
}
|
|
|
773 |
|
|
|
774 |
// Make sure we assume the correct speed
|
|
|
775 |
__ASSERT_DEBUG((iHighSpeed == CurrentlyUsingHighSpeed()), Kern::Fault(KUsbPILPanicCat, __LINE__));
|
|
|
776 |
|
|
|
777 |
TInt size = 0;
|
|
|
778 |
const TInt result = iDescriptors.FindDescriptor(HighByte(aPacket.iValue), // Type
|
|
|
779 |
LowByte(aPacket.iValue), // Index
|
|
|
780 |
aPacket.iIndex, // Language ID
|
|
|
781 |
size);
|
|
|
782 |
|
|
|
783 |
if ((result != KErrNone) || (size == 0))
|
|
|
784 |
{
|
|
|
785 |
// This doesn't have to be an error - protocol-wise it's OK.
|
|
|
786 |
__KTRACE_OPT(KUSB, Kern::Printf(" Couldn't retrieve descriptor"));
|
|
|
787 |
return KErrGeneral;
|
|
|
788 |
}
|
|
|
789 |
|
|
|
790 |
__KTRACE_OPT(KUSB, Kern::Printf(" Descriptor found, size: %d (requested: %d)",
|
|
|
791 |
size, aPacket.iLength));
|
|
|
792 |
if (size > KUsbcBufSz_Ep0Tx)
|
|
|
793 |
{
|
|
|
794 |
// This should actually not be possible (i.e. we should never get here).
|
|
|
795 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Ep0_Tx buffer too small"));
|
|
|
796 |
}
|
|
|
797 |
if (size > aPacket.iLength)
|
|
|
798 |
{
|
|
|
799 |
// Send only as much data as requested by the host
|
|
|
800 |
size = aPacket.iLength;
|
|
|
801 |
}
|
|
|
802 |
|
|
|
803 |
#ifdef ENABLE_EXCESSIVE_DEBUG_OUTPUT
|
|
|
804 |
__KTRACE_OPT(KUSB,
|
|
|
805 |
Kern::Printf(" Data: 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x 0x%02x ...",
|
|
|
806 |
iEp0_TxBuf[0], iEp0_TxBuf[1], iEp0_TxBuf[2], iEp0_TxBuf[3],
|
|
|
807 |
iEp0_TxBuf[4], iEp0_TxBuf[5], iEp0_TxBuf[6], iEp0_TxBuf[7]));
|
|
|
808 |
#endif
|
|
|
809 |
// If we're about to send less bytes than expected by the host AND our number is a
|
|
|
810 |
// multiple of the packet size, in order to indicate the end of the control transfer,
|
|
|
811 |
// we must finally send a zero length data packet (ZLP):
|
|
|
812 |
const TBool zlp = ((size < aPacket.iLength) && (size % iEp0MaxPacketSize == 0));
|
|
|
813 |
if (SetupEndpointZeroWrite(iEp0_TxBuf, size, zlp) == KErrNone)
|
|
|
814 |
{
|
|
|
815 |
iEp0WritePending = ETrue;
|
|
|
816 |
}
|
|
|
817 |
|
|
|
818 |
return KErrNone;
|
|
|
819 |
}
|
|
|
820 |
|
|
|
821 |
|
|
|
822 |
TInt DUsbClientController::ProcessSetDescriptor(const TUsbcSetup& aPacket)
|
|
|
823 |
{
|
|
|
824 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessSetDescriptor()"));
|
|
|
825 |
#ifndef USB_SUPPORTS_SET_DESCRIPTOR_REQUEST
|
|
|
826 |
return KErrGeneral;
|
|
|
827 |
#else
|
|
|
828 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateAddress)
|
|
|
829 |
{
|
|
|
830 |
// Error: Invalid device state!
|
|
|
831 |
return KErrGeneral;
|
|
|
832 |
}
|
|
|
833 |
if (aPacket.iLength > KUsbcBufSz_Ep0Rx)
|
|
|
834 |
{
|
|
|
835 |
// Error: Our Rx buffer is too small! (Raise a defect to make it larger)
|
|
|
836 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Ep0_Rx buffer too small"));
|
|
|
837 |
return KErrGeneral;
|
|
|
838 |
}
|
|
|
839 |
SetEp0DataOutVars(aPacket);
|
|
|
840 |
SetupEndpointZeroRead();
|
|
|
841 |
return KErrNone;
|
|
|
842 |
#endif
|
|
|
843 |
}
|
|
|
844 |
|
|
|
845 |
|
|
|
846 |
TInt DUsbClientController::ProcessGetConfiguration(const TUsbcSetup& aPacket)
|
|
|
847 |
{
|
|
|
848 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessGetConfiguration()"));
|
|
|
849 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateAddress)
|
|
|
850 |
{
|
|
|
851 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
852 |
return KErrGeneral;
|
|
|
853 |
}
|
|
|
854 |
if (iTrackDeviceState && iDeviceState == EUsbcDeviceStateAddress && iCurrentConfig != 0)
|
|
|
855 |
{
|
|
|
856 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: DeviceState Address && Config != 0"));
|
|
|
857 |
return KErrGeneral;
|
|
|
858 |
}
|
|
|
859 |
if (iTrackDeviceState && iDeviceState == EUsbcDeviceStateConfigured && iCurrentConfig == 0)
|
|
|
860 |
{
|
|
|
861 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: DeviceState Configured && Config == 0"));
|
|
|
862 |
return KErrGeneral;
|
|
|
863 |
}
|
|
|
864 |
if (aPacket.iLength != 1) // "unspecified behavior"
|
|
|
865 |
{
|
|
|
866 |
__KTRACE_OPT(KUSB, Kern::Printf(" Warning: wLength != 1 (= %d)", aPacket.iLength));
|
|
|
867 |
}
|
|
|
868 |
__KTRACE_OPT(KUSB, Kern::Printf(" Reporting configuration value %d", iCurrentConfig));
|
|
|
869 |
if (SetupEndpointZeroWrite(&iCurrentConfig, sizeof(iCurrentConfig)) == KErrNone)
|
|
|
870 |
{
|
|
|
871 |
iEp0WritePending = ETrue;
|
|
|
872 |
}
|
|
|
873 |
return KErrNone;
|
|
|
874 |
}
|
|
|
875 |
|
|
|
876 |
|
|
|
877 |
/** Changes the device's configuration value, including interface setup and/or
|
|
|
878 |
teardown and state change notification of higher-layer clients.
|
|
|
879 |
May also be called by the PSL in special cases - therefore publishedPartner.
|
|
|
880 |
|
|
|
881 |
@param aPacket The received Ep0 SET_CONFIGURATION setup request packet.
|
|
|
882 |
@return KErrGeneral in case of a protocol error, KErrNone otherwise.
|
|
|
883 |
|
|
|
884 |
@publishedPartner @released
|
|
|
885 |
*/
|
|
|
886 |
TInt DUsbClientController::ProcessSetConfiguration(const TUsbcSetup& aPacket)
|
|
|
887 |
{
|
|
|
888 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessSetConfiguration()"));
|
|
|
889 |
|
|
|
890 |
// This function may be called by the PSL from within an ISR -- so we have
|
|
|
891 |
// to take care what we do here (and also in all functions that get called
|
|
|
892 |
// from here).
|
|
|
893 |
|
|
|
894 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateAddress)
|
|
|
895 |
{
|
|
|
896 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
897 |
return KErrGeneral;
|
|
|
898 |
}
|
|
|
899 |
const TUint16 value = aPacket.iValue;
|
|
|
900 |
if (value > 1) // we support only one configuration
|
|
|
901 |
{
|
|
|
902 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Configuration value too large: %d", value));
|
|
|
903 |
return KErrGeneral;
|
|
|
904 |
}
|
|
|
905 |
|
|
|
906 |
__KTRACE_OPT(KUSB, Kern::Printf(" Configuration value: %d", value));
|
|
|
907 |
ChangeConfiguration(value);
|
|
|
908 |
|
|
|
909 |
// In 9.4.5 under GET_STATUS we read, that after SET_CONFIGURATION the HALT feature
|
|
|
910 |
// for all endpoints is reset to zero.
|
|
|
911 |
TInt num = 0;
|
|
|
912 |
(TAny) DoForEveryEndpointInUse(&DUsbClientController::ClearHaltFeature, num);
|
|
|
913 |
__KTRACE_OPT(KUSB, Kern::Printf(" Called ClearHaltFeature() for %d endpoints", num));
|
|
|
914 |
SendEp0ZeroByteStatusPacket(); // success: zero bytes data during status stage
|
|
|
915 |
return KErrNone;
|
|
|
916 |
}
|
|
|
917 |
|
|
|
918 |
|
|
|
919 |
TInt DUsbClientController::ProcessGetInterface(const TUsbcSetup& aPacket)
|
|
|
920 |
{
|
|
|
921 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessGetInterface()"));
|
|
|
922 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateConfigured)
|
|
|
923 |
{
|
|
|
924 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
925 |
return KErrGeneral;
|
|
|
926 |
}
|
|
|
927 |
if (iCurrentConfig == 0)
|
|
|
928 |
{
|
|
|
929 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Device not configured"));
|
|
|
930 |
return KErrGeneral;
|
|
|
931 |
}
|
|
|
932 |
const TInt number = aPacket.iIndex;
|
|
|
933 |
if (!InterfaceExists(number))
|
|
|
934 |
{
|
|
|
935 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Bad interface index: %d", number));
|
|
|
936 |
return KErrGeneral;
|
|
|
937 |
}
|
|
|
938 |
// Send alternate setting code of iCurrentInterface of Interface(set) <number> of the current
|
|
|
939 |
// config (iCurrentConfig).
|
|
|
940 |
const TUint8 setting = InterfaceNumber2InterfacePointer(number)->iCurrentInterface;
|
|
|
941 |
__KTRACE_OPT(KUSB, Kern::Printf(" Reporting interface setting %d", setting));
|
|
|
942 |
if (SetupEndpointZeroWrite(&setting, 1) == KErrNone)
|
|
|
943 |
{
|
|
|
944 |
iEp0WritePending = ETrue;
|
|
|
945 |
}
|
|
|
946 |
return KErrNone;
|
|
|
947 |
}
|
|
|
948 |
|
|
|
949 |
|
|
|
950 |
TInt DUsbClientController::ProcessSetInterface(const TUsbcSetup& aPacket)
|
|
|
951 |
{
|
|
|
952 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessSetInterface()"));
|
|
|
953 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateConfigured)
|
|
|
954 |
{
|
|
|
955 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
956 |
return KErrGeneral;
|
|
|
957 |
}
|
|
|
958 |
if (iCurrentConfig == 0)
|
|
|
959 |
{
|
|
|
960 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Device not configured"));
|
|
|
961 |
return KErrGeneral;
|
|
|
962 |
}
|
|
|
963 |
const TInt number = aPacket.iIndex;
|
|
|
964 |
if (!InterfaceExists(number))
|
|
|
965 |
{
|
|
|
966 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Bad interface index: %d", number));
|
|
|
967 |
return KErrGeneral;
|
|
|
968 |
}
|
|
|
969 |
const TInt setting = aPacket.iValue;
|
|
|
970 |
TUsbcInterfaceSet* const ifcset_ptr = InterfaceNumber2InterfacePointer(number);
|
|
|
971 |
RPointerArray<TUsbcInterface>& ifcs = ifcset_ptr->iInterfaces;
|
|
|
972 |
if (setting >= ifcs.Count())
|
|
|
973 |
{
|
|
|
974 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Alt Setting >= bNumAltSettings: %d", setting));
|
|
|
975 |
return KErrGeneral;
|
|
|
976 |
}
|
|
|
977 |
__KTRACE_OPT(KUSB, Kern::Printf(" Interface setting:: %d", setting));
|
|
|
978 |
// Set iCurrentInterface of Interface(set) <number> of the current config
|
|
|
979 |
// (iCurrentConfig) to alternate setting <setting>.
|
|
|
980 |
ChangeInterface(ifcs[setting]);
|
|
|
981 |
// In 9.4.5 under GET_STATUS we read, that after SET_INTERFACE the HALT feature
|
|
|
982 |
// for all endpoints (of the now current interface setting) is reset to zero.
|
|
|
983 |
RPointerArray<TUsbcLogicalEndpoint>& eps = ifcset_ptr->CurrentInterface()->iEndpoints;
|
|
|
984 |
const TInt num_eps = eps.Count();
|
|
|
985 |
for (TInt i = 0; i < num_eps; i++)
|
|
|
986 |
{
|
|
|
987 |
const TInt ep_num = EpAddr2Idx(eps[i]->iPEndpoint->iEndpointAddr);
|
|
|
988 |
(TAny) ClearHaltFeature(ep_num);
|
|
|
989 |
}
|
|
|
990 |
SendEp0ZeroByteStatusPacket(); // success: zero bytes data during status stage
|
|
|
991 |
return KErrNone;
|
|
|
992 |
}
|
|
|
993 |
|
|
|
994 |
|
|
|
995 |
TInt DUsbClientController::ProcessSynchFrame(const TUsbcSetup& aPacket)
|
|
|
996 |
{
|
|
|
997 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProcessSynchFrame()"));
|
|
|
998 |
if (iTrackDeviceState && iDeviceState < EUsbcDeviceStateConfigured)
|
|
|
999 |
{
|
|
|
1000 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Invalid device state"));
|
|
|
1001 |
return KErrGeneral;
|
|
|
1002 |
}
|
|
|
1003 |
const TInt ep = aPacket.iIndex;
|
|
|
1004 |
if (EndpointExists(ep) == EFalse)
|
|
|
1005 |
{
|
|
|
1006 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint does not exist"));
|
|
|
1007 |
return KErrGeneral;
|
|
|
1008 |
}
|
|
|
1009 |
if (iRealEndpoints[EpAddr2Idx(ep)].iLEndpoint->iInfo.iType != KUsbEpTypeIsochronous)
|
|
|
1010 |
{
|
|
|
1011 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint is not isochronous"));
|
|
|
1012 |
return KErrGeneral;
|
|
|
1013 |
}
|
|
|
1014 |
// We always send 0:
|
|
|
1015 |
*reinterpret_cast<TUint16*>(iEp0_TxBuf) = 0x00;
|
|
|
1016 |
if (SetupEndpointZeroWrite(iEp0_TxBuf, 2) == KErrNone)
|
|
|
1017 |
{
|
|
|
1018 |
iEp0WritePending = ETrue;
|
|
|
1019 |
}
|
|
|
1020 |
return KErrNone;
|
|
|
1021 |
}
|
|
|
1022 |
|
|
|
1023 |
|
|
|
1024 |
#ifdef USB_SUPPORTS_SET_DESCRIPTOR_REQUEST
|
|
|
1025 |
void DUsbClientController::ProceedSetDescriptor()
|
|
|
1026 |
{
|
|
|
1027 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ProceedSetDescriptor()"));
|
|
|
1028 |
// iEp0DataReceived already reflects the current buffer state
|
|
|
1029 |
if (iEp0DataReceived < iSetup.iLength)
|
|
|
1030 |
{
|
|
|
1031 |
// Not yet all data received => proceed
|
|
|
1032 |
return;
|
|
|
1033 |
}
|
|
|
1034 |
if (iEp0DataReceived > iSetup.iLength)
|
|
|
1035 |
{
|
|
|
1036 |
// Error: more data received than expected
|
|
|
1037 |
// but we don't care...
|
|
|
1038 |
}
|
|
|
1039 |
// at this point: iEp0DataReceived == iSetup.iLength
|
|
|
1040 |
const TUint8 type = HighByte(iSetup.iValue);
|
|
|
1041 |
if (type == KUsbDescType_String)
|
|
|
1042 |
{
|
|
|
1043 |
// set/add new string descriptor
|
|
|
1044 |
}
|
|
|
1045 |
else
|
|
|
1046 |
{
|
|
|
1047 |
// set/add new ordinary descriptor
|
|
|
1048 |
}
|
|
|
1049 |
TUint8 index = LowByte(iSetup.iValue);
|
|
|
1050 |
TUint16 langid = iSetup.iIndex;
|
|
|
1051 |
TUint16 length_total = iSetup.iLength;
|
|
|
1052 |
}
|
|
|
1053 |
#endif
|
|
|
1054 |
|
|
|
1055 |
|
|
|
1056 |
// --- Secondary (Helper) Functions
|
|
|
1057 |
|
|
|
1058 |
void DUsbClientController::SetClearHaltFeature(TInt aRealEndpoint, TUint8 aRequest)
|
|
|
1059 |
{
|
|
|
1060 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::SetClearHaltFeature()"));
|
|
|
1061 |
if (aRequest == KUsbRequest_SetFeature)
|
|
|
1062 |
{
|
|
|
1063 |
if (iRealEndpoints[aRealEndpoint].iHalt)
|
|
|
1064 |
{
|
|
|
1065 |
// (This condition is not really an error)
|
|
|
1066 |
__KTRACE_OPT(KUSB, Kern::Printf(" Warning: HALT feature already set"));
|
|
|
1067 |
return;
|
|
|
1068 |
}
|
|
|
1069 |
__KTRACE_OPT(KUSB, Kern::Printf(" setting HALT feature for real endpoint %d",
|
|
|
1070 |
aRealEndpoint));
|
|
|
1071 |
StallEndpoint(aRealEndpoint);
|
|
|
1072 |
iRealEndpoints[aRealEndpoint].iHalt = ETrue;
|
|
|
1073 |
}
|
|
|
1074 |
else // KUsbRequest_ClearFeature
|
|
|
1075 |
{
|
|
|
1076 |
if (iRealEndpoints[aRealEndpoint].iHalt == EFalse)
|
|
|
1077 |
{
|
|
|
1078 |
// In this case, before we return, the data toggles are reset to DATA0.
|
|
|
1079 |
__KTRACE_OPT(KUSB, Kern::Printf(" Warning: HALT feature already cleared"));
|
|
|
1080 |
ResetDataToggle(aRealEndpoint);
|
|
|
1081 |
return;
|
|
|
1082 |
}
|
|
|
1083 |
__KTRACE_OPT(KUSB, Kern::Printf(" clearing HALT feature for real endpoint %d",
|
|
|
1084 |
aRealEndpoint));
|
|
|
1085 |
ResetDataToggle(aRealEndpoint);
|
|
|
1086 |
ClearStallEndpoint(aRealEndpoint);
|
|
|
1087 |
iRealEndpoints[aRealEndpoint].iHalt = EFalse;
|
|
|
1088 |
}
|
|
|
1089 |
EpStatusNotify(aRealEndpoint); // only called if actually something changed
|
|
|
1090 |
}
|
|
|
1091 |
|
|
|
1092 |
|
|
|
1093 |
TInt DUsbClientController::ClearHaltFeature(TInt aRealEndpoint)
|
|
|
1094 |
{
|
|
|
1095 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ClearHaltFeature()"));
|
|
|
1096 |
if (iRealEndpoints[aRealEndpoint].iHalt != EFalse)
|
|
|
1097 |
{
|
|
|
1098 |
ClearStallEndpoint(aRealEndpoint);
|
|
|
1099 |
iRealEndpoints[aRealEndpoint].iHalt = EFalse;
|
|
|
1100 |
}
|
|
|
1101 |
return KErrNone;
|
|
|
1102 |
}
|
|
|
1103 |
|
|
|
1104 |
|
|
|
1105 |
void DUsbClientController::ChangeConfiguration(TUint16 aValue)
|
|
|
1106 |
{
|
|
|
1107 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ChangeConfiguration()"));
|
|
|
1108 |
// New configuration is the same as the old one: 0
|
|
|
1109 |
if (iCurrentConfig == 0 && aValue == 0)
|
|
|
1110 |
{
|
|
|
1111 |
// no-op
|
|
|
1112 |
__KTRACE_OPT(KUSB, Kern::Printf(" Configuration: New == Old == 0 --> exiting"));
|
|
|
1113 |
return;
|
|
|
1114 |
}
|
|
|
1115 |
// New configuration is the same as the old one (but not 0)
|
|
|
1116 |
if (iCurrentConfig == aValue)
|
|
|
1117 |
{
|
|
|
1118 |
// no-op
|
|
|
1119 |
__KTRACE_OPT(KUSB, Kern::Printf(" Configuration: New == Old == %d --> exiting", aValue));
|
|
|
1120 |
return;
|
|
|
1121 |
}
|
|
|
1122 |
// Device is already configured
|
|
|
1123 |
if (iCurrentConfig != 0)
|
|
|
1124 |
{
|
|
|
1125 |
__KTRACE_OPT(KUSB, Kern::Printf(" Device was configured: %d", iCurrentConfig));
|
|
|
1126 |
// Tear down all interface(set)s of the old configuration
|
|
|
1127 |
RPointerArray<TUsbcInterfaceSet>& ifcsets = CurrentConfig()->iInterfaceSets;
|
|
|
1128 |
for (TInt i = 0; i < ifcsets.Count(); ++i)
|
|
|
1129 |
{
|
|
|
1130 |
__KTRACE_OPT(KUSB, Kern::Printf(" Tearing down InterfaceSet %d", i));
|
|
|
1131 |
InterfaceSetTeardown(ifcsets[i]);
|
|
|
1132 |
}
|
|
|
1133 |
iCurrentConfig = 0;
|
|
|
1134 |
// Enter Address state (from Configured)
|
|
|
1135 |
if (iDeviceState == EUsbcDeviceStateConfigured)
|
|
|
1136 |
NextDeviceState(EUsbcDeviceStateAddress);
|
|
|
1137 |
}
|
|
|
1138 |
// Device gets a new configuration
|
|
|
1139 |
if (aValue != 0)
|
|
|
1140 |
{
|
|
|
1141 |
__KTRACE_OPT(KUSB, Kern::Printf(" Device gets new configuration..."));
|
|
|
1142 |
// Setup all alternate settings 0 of all interfaces
|
|
|
1143 |
// (Don't separate the next two lines of code.)
|
|
|
1144 |
iCurrentConfig = aValue;
|
|
|
1145 |
RPointerArray<TUsbcInterfaceSet>& ifcsets = CurrentConfig()->iInterfaceSets;
|
|
|
1146 |
const TInt n = ifcsets.Count();
|
|
|
1147 |
for (TInt i = 0; i < n; ++i)
|
|
|
1148 |
{
|
|
|
1149 |
__KTRACE_OPT(KUSB, Kern::Printf(" Setting up InterfaceSet %d", i));
|
|
|
1150 |
InterfaceSetup(ifcsets[i]->iInterfaces[0]);
|
|
|
1151 |
}
|
|
|
1152 |
// Enter Configured state (from Address or Configured)
|
|
|
1153 |
NextDeviceState(EUsbcDeviceStateConfigured);
|
|
|
1154 |
}
|
|
|
1155 |
__KTRACE_OPT(KUSB, Kern::Printf(" New configuration: %d", iCurrentConfig));
|
|
|
1156 |
return;
|
|
|
1157 |
}
|
|
|
1158 |
|
|
|
1159 |
|
|
|
1160 |
void DUsbClientController::InterfaceSetup(TUsbcInterface* aIfc)
|
|
|
1161 |
{
|
|
|
1162 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::InterfaceSetup()"));
|
|
|
1163 |
const TInt num_eps = aIfc->iEndpoints.Count();
|
|
|
1164 |
for (TInt i = 0; i < num_eps; i++)
|
|
|
1165 |
{
|
|
|
1166 |
// Prepare this endpoint for I/O
|
|
|
1167 |
TUsbcLogicalEndpoint* const ep = aIfc->iEndpoints[i];
|
|
|
1168 |
// (TUsbcLogicalEndpoint's FS/HS endpoint sizes and interval values got
|
|
|
1169 |
// adjusted in its constructor.)
|
|
|
1170 |
if (iHighSpeed)
|
|
|
1171 |
{
|
|
|
1172 |
__KTRACE_OPT(KUSB, Kern::Printf(" Setting Ep info size to %d (HS)", ep->iEpSize_Hs));
|
|
|
1173 |
ep->iInfo.iSize = ep->iEpSize_Hs;
|
|
|
1174 |
}
|
|
|
1175 |
else
|
|
|
1176 |
{
|
|
|
1177 |
__KTRACE_OPT(KUSB, Kern::Printf(" Setting Ep info size to %d (FS)", ep->iEpSize_Fs));
|
|
|
1178 |
ep->iInfo.iSize = ep->iEpSize_Fs;
|
|
|
1179 |
}
|
|
|
1180 |
const TInt idx = EpAddr2Idx(ep->iPEndpoint->iEndpointAddr);
|
|
|
1181 |
if (ConfigureEndpoint(idx, ep->iInfo) != KErrNone)
|
|
|
1182 |
{
|
|
|
1183 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint %d configuration failed", idx));
|
|
|
1184 |
continue;
|
|
|
1185 |
}
|
|
|
1186 |
// Should there be a problem with it then we could try resetting the ep
|
|
|
1187 |
// data toggle at this point (or before the Configure) as well.
|
|
|
1188 |
__KTRACE_OPT(KUSB, Kern::Printf(" Connecting real ep addr 0x%02x & logical ep #%d",
|
|
|
1189 |
ep->iPEndpoint->iEndpointAddr, ep->iLEndpointNum));
|
|
|
1190 |
ep->iPEndpoint->iLEndpoint = ep;
|
|
|
1191 |
}
|
|
|
1192 |
aIfc->iInterfaceSet->iCurrentInterface = aIfc->iSettingCode;
|
|
|
1193 |
return;
|
|
|
1194 |
}
|
|
|
1195 |
|
|
|
1196 |
|
|
|
1197 |
void DUsbClientController::InterfaceSetTeardown(TUsbcInterfaceSet* aIfcSet)
|
|
|
1198 |
{
|
|
|
1199 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::InterfaceSetTeardown()"));
|
|
|
1200 |
if (aIfcSet->iInterfaces.Count() == 0)
|
|
|
1201 |
{
|
|
|
1202 |
__KTRACE_OPT(KUSB, Kern::Printf(" No interfaces exist - returning"));
|
|
|
1203 |
return;
|
|
|
1204 |
}
|
|
|
1205 |
RPointerArray<TUsbcLogicalEndpoint>& eps = aIfcSet->CurrentInterface()->iEndpoints;
|
|
|
1206 |
const TInt num_eps = eps.Count();
|
|
|
1207 |
for (TInt i = 0; i < num_eps; i++)
|
|
|
1208 |
{
|
|
|
1209 |
TUsbcLogicalEndpoint* const ep = eps[i];
|
|
|
1210 |
const TInt idx = EpAddr2Idx(ep->iPEndpoint->iEndpointAddr);
|
|
|
1211 |
|
|
|
1212 |
CancelTransferRequests(idx);
|
|
|
1213 |
|
|
|
1214 |
if (!ep->iPEndpoint->iLEndpoint)
|
|
|
1215 |
{
|
|
|
1216 |
__KTRACE_OPT(KUSB, Kern::Printf(" real ep %d not configured: skipping", idx));
|
|
|
1217 |
continue;
|
|
|
1218 |
}
|
|
|
1219 |
if (ResetDataToggle(idx) != KErrNone)
|
|
|
1220 |
{
|
|
|
1221 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint %d data toggle reset failed", idx));
|
|
|
1222 |
}
|
|
|
1223 |
if (DeConfigureEndpoint(idx) != KErrNone)
|
|
|
1224 |
{
|
|
|
1225 |
__KTRACE_OPT(KPANIC, Kern::Printf(" Error: Endpoint %d de-configuration failed", idx));
|
|
|
1226 |
}
|
|
|
1227 |
|
|
|
1228 |
__KTRACE_OPT(KUSB, Kern::Printf(" disconnecting real ep & logical ep"));
|
|
|
1229 |
ep->iPEndpoint->iLEndpoint = NULL;
|
|
|
1230 |
}
|
|
|
1231 |
if (aIfcSet->CurrentInterface() != 0)
|
|
|
1232 |
{
|
|
|
1233 |
__KTRACE_OPT(KUSB, Kern::Printf(" Resetting alternate interface setting to 0"));
|
|
|
1234 |
aIfcSet->iCurrentInterface = 0;
|
|
|
1235 |
}
|
|
|
1236 |
return;
|
|
|
1237 |
}
|
|
|
1238 |
|
|
|
1239 |
|
|
|
1240 |
void DUsbClientController::ChangeInterface(TUsbcInterface* aIfc)
|
|
|
1241 |
{
|
|
|
1242 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::ChangeInterface()"));
|
|
|
1243 |
TUsbcInterfaceSet* ifcset = aIfc->iInterfaceSet;
|
|
|
1244 |
const TUint8 setting = aIfc->iSettingCode;
|
|
|
1245 |
if (ifcset->iCurrentInterface == setting)
|
|
|
1246 |
{
|
|
|
1247 |
__KTRACE_OPT(KUSB, Kern::Printf(" New Ifc == old Ifc: nothing to do"));
|
|
|
1248 |
return;
|
|
|
1249 |
}
|
|
|
1250 |
__KTRACE_OPT(KUSB, Kern::Printf(" Setting new interface setting #%d", setting));
|
|
|
1251 |
InterfaceSetTeardown(ifcset);
|
|
|
1252 |
InterfaceSetup(aIfc);
|
|
|
1253 |
StatusNotify(static_cast<TUsbcDeviceState>(KUsbAlternateSetting | setting), ifcset->iClientId);
|
|
|
1254 |
}
|
|
|
1255 |
|
|
|
1256 |
|
|
|
1257 |
// aFunction gets called, successively, with the endpoint index of every ep in-use as its argument.
|
|
|
1258 |
// (BTW: The declaration "type (class::*name)(params)" makes <name> a "pointer to element function".)
|
|
|
1259 |
//
|
|
|
1260 |
TInt DUsbClientController::DoForEveryEndpointInUse(TInt (DUsbClientController::*aFunction)(TInt), TInt& aCount)
|
|
|
1261 |
{
|
|
|
1262 |
__KTRACE_OPT(KUSB, Kern::Printf("DUsbClientController::DoForEveryEndpointInUse()"));
|
|
|
1263 |
aCount = 0;
|
|
|
1264 |
TUsbcConfiguration* const config = CurrentConfig();
|
|
|
1265 |
if (!config)
|
|
|
1266 |
{
|
|
|
1267 |
__KTRACE_OPT(KUSB, Kern::Printf(" Device is not configured - returning"));
|
|
|
1268 |
return KErrNone;
|
|
|
1269 |
}
|
|
|
1270 |
RPointerArray<TUsbcInterfaceSet>& ifcsets = config->iInterfaceSets;
|
|
|
1271 |
const TInt num_ifcsets = ifcsets.Count();
|
|
|
1272 |
for (TInt i = 0; i < num_ifcsets; i++)
|
|
|
1273 |
{
|
|
|
1274 |
RPointerArray<TUsbcLogicalEndpoint>& eps = ifcsets[i]->CurrentInterface()->iEndpoints;
|
|
|
1275 |
const TInt num_eps = eps.Count();
|
|
|
1276 |
for (TInt j = 0; j < num_eps; j++)
|
|
|
1277 |
{
|
|
|
1278 |
const TInt ep_num = EpAddr2Idx(eps[j]->iPEndpoint->iEndpointAddr);
|
|
|
1279 |
const TInt result = (this->*aFunction)(ep_num);
|
|
|
1280 |
++aCount;
|
|
|
1281 |
if (result != KErrNone)
|
|
|
1282 |
{
|
|
|
1283 |
return result;
|
|
|
1284 |
}
|
|
|
1285 |
}
|
|
|
1286 |
}
|
|
|
1287 |
return KErrNone;
|
|
|
1288 |
}
|
|
|
1289 |
|
|
|
1290 |
|
|
|
1291 |
// -eof-
|