1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kernel/eka/drivers/usbcsc/d_usbcsc.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,3676 @@
1.4 +// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// e32\drivers\usbcsc\d_usbcsc.cpp
1.18 +// LDD for USB Device driver stack, using shared chunks:
1.19 +// The channel object.
1.20 +//
1.21 +//
1.22 +
1.23 +/**
1.24 + @file d_usbcsc.cpp
1.25 + @internalTechnology
1.26 +*/
1.27 +
1.28 +#include <drivers/usbcsc.h>
1.29 +#include "platform.h"
1.30 +
1.31 +/*****************************************************************************\
1.32 +* DUsbcScLogDevice *
1.33 +* *
1.34 +* Inherits from DLogicalDevice, the USB Shared Chunk LDD factory class *
1.35 +* *
1.36 +\*****************************************************************************/
1.37 +
1.38 +_LIT(KUsbScLddName, "Usbcsc");
1.39 +
1.40 +static const TInt KUsbRequestCallbackPriority = 2;
1.41 +
1.42 +/** Real entry point from the Kernel: return a new driver.
1.43 + */
1.44 +DECLARE_STANDARD_LDD()
1.45 + {
1.46 + return new DUsbcScLogDevice;
1.47 + }
1.48 +
1.49 +/** Create a channel on the device.
1.50 +
1.51 + @internalComponent
1.52 +*/
1.53 +TInt DUsbcScLogDevice::Create(DLogicalChannelBase*& aChannel)
1.54 + {
1.55 + aChannel = new DLddUsbcScChannel;
1.56 + return aChannel ? KErrNone : KErrNoMemory;
1.57 + }
1.58 +
1.59 +
1.60 +DUsbcScLogDevice::DUsbcScLogDevice()
1.61 + {
1.62 + iParseMask = KDeviceAllowUnit;
1.63 + iUnitsMask = 0xffffffff; // Leave units decision to the Controller
1.64 + iVersion = TVersion(KUsbcScMajorVersion, KUsbcScMinorVersion, KUsbcScBuildVersion);
1.65 + }
1.66 +
1.67 +
1.68 +TInt DUsbcScLogDevice::Install()
1.69 + {
1.70 + // Only proceed if we have the Controller underneath us
1.71 + if (!DUsbClientController::UsbcControllerPointer())
1.72 + {
1.73 + __KTRACE_OPT(KPANIC, Kern::Printf("LDD Install: USB Controller Not Present"));
1.74 + return KErrGeneral;
1.75 + }
1.76 + return SetName(&KUsbScLddName);
1.77 + }
1.78 +
1.79 +
1.80 +//
1.81 +// Return the USB controller capabilities.
1.82 +//
1.83 +void DUsbcScLogDevice::GetCaps(TDes8& aDes) const
1.84 + {
1.85 + TPckgBuf<TCapsDevUsbc> b;
1.86 + b().version = iVersion;
1.87 + Kern::InfoCopy(aDes, b);
1.88 + }
1.89 +
1.90 +// End DUsbcScLogDevice
1.91 +
1.92 +/*****************************************************************************\
1.93 +* TUsbcScChunkInfo *
1.94 +* *
1.95 +* Where Chunk information is stored for the channel, and preseved for the *
1.96 +* life of the chunk. *
1.97 +* *
1.98 +\*****************************************************************************/
1.99 +
1.100 +void DfcChunkCleanup(TAny*);
1.101 +
1.102 +TUsbcScChunkInfo::TUsbcScChunkInfo(DLogicalDevice* aLdd)
1.103 + : iChunk(NULL),
1.104 + iCleanup((TDfcFn)&DfcChunkCleanup,this,Kern::SvMsgQue(),0),
1.105 + iChunkMem(NULL),
1.106 + iLdd(aLdd)
1.107 + {
1.108 + iPageNtz = (TInt8)__e32_find_ls1_32(Kern::RoundToPageSize(1));
1.109 + }
1.110 +
1.111 +TInt TUsbcScChunkInfo::CreateChunk(TInt aTotalSize)
1.112 + {
1.113 + // First, reserve an TUint of memory for each of pages needed to hold aTotalSize of memory.
1.114 + // This will form the chunk map, so that we can look up the memory geometry.
1.115 + iAllocatedSize = (aTotalSize>>iPageNtz)*sizeof(TUint);
1.116 + iPhysicalMap = (TUint*) Kern::AllocZ(iAllocatedSize);
1.117 + TInt r;
1.118 + if (iPhysicalMap==NULL)
1.119 + r = KErrNoMemory;
1.120 + else
1.121 + {
1.122 + TChunkCreateInfo chunkInfo;
1.123 + chunkInfo.iType = TChunkCreateInfo::ESharedKernelMultiple;
1.124 + chunkInfo.iMaxSize = aTotalSize;
1.125 + chunkInfo.iMapAttr = EMapAttrCachedMax;
1.126 + chunkInfo.iOwnsMemory = EFalse;
1.127 + chunkInfo.iDestroyedDfc = &iCleanup;
1.128 +
1.129 + TLinAddr chunkMem;
1.130 + r = Kern::ChunkCreate(chunkInfo, iChunk, chunkMem, iChunkMapAttr);
1.131 + iChunkMem = (TInt8*) chunkMem;
1.132 + if (r==KErrNone)
1.133 + iLdd->Open();
1.134 + }
1.135 +
1.136 + return r;
1.137 +}
1.138 +
1.139 +
1.140 +// This method requests closing the chunk.
1.141 +// Note that nothing may happen immediately, as something else may have the chunk open.
1.142 +void TUsbcScChunkInfo::Close()
1.143 +{
1.144 + Kern::ChunkClose(iChunk);
1.145 +}
1.146 +
1.147 +
1.148 +TInt TUsbcScChunkInfo::ChunkAlloc(TInt aOffset, TInt aSize)
1.149 + {
1.150 + TUint pageMask = (~0)<<iPageNtz;
1.151 + TUint rleMask = ~pageMask;
1.152 + TUint pageSize = rleMask+1;
1.153 + TInt r;
1.154 + TLinAddr physAddr;
1.155 +
1.156 + __KTRACE_OPT(KUSB, Kern::Printf("::chunkalloc AllocPhysicalRam aSize %d", aSize));
1.157 +
1.158 + r = Epoc::AllocPhysicalRam(aSize, physAddr);
1.159 + __KTRACE_OPT(KUSB, if (r!=KErrNone) Kern::Printf("::chunkalloc AllocPhysicalRam r=%d (Error!)", r));
1.160 + if (r==KErrNone)
1.161 + {
1.162 + __KTRACE_OPT(KUSB, Kern::Printf("::chunkalloc ChunkCommitPhysical iChunk 0x%x size(%d), aOffset 0x%x, aSize 0x%x phsAddr 0x%x",
1.163 + iChunk, sizeof(DChunk), aOffset, aSize,physAddr ));
1.164 +
1.165 + r = Kern::ChunkCommitPhysical(iChunk, aOffset, aSize, physAddr);
1.166 + __KTRACE_OPT(KUSB, if (r!=KErrNone) Kern::Printf("::chunkalloc ChunkCommitPhysical r=%d (Error!)", r));
1.167 +
1.168 + if (r!=KErrNone)
1.169 + Epoc::FreePhysicalRam(physAddr, aSize);
1.170 + else
1.171 + { // record physical address and length in physical map
1.172 + TInt rle;
1.173 + TInt i=0;
1.174 + for (rle=(aSize>>iPageNtz); rle>0; rle--, i++,physAddr+=pageSize)
1.175 + {
1.176 + __KTRACE_OPT(KUSB, Kern::Printf("::phys offset 0x%x = 0x%x",
1.177 + (aOffset>>iPageNtz)+i, (physAddr & pageMask) | ((rle>(TInt)rleMask)?(TInt)rleMask:rle)));
1.178 + iPhysicalMap[(aOffset>>iPageNtz)+i] = (physAddr & pageMask) | ((rle>(TInt)rleMask)?(TInt)rleMask:rle);
1.179 + }
1.180 + }
1.181 + }
1.182 + else if (r==KErrNoMemory)
1.183 + r = -KErrNoMemory; // Semi-expected error.
1.184 + return r;
1.185 + }
1.186 +
1.187 +/**
1.188 +This method retrieves the physical address of a given offset into the Chunk, and returns
1.189 +the length of contiguous physical memory from this point.
1.190 +
1.191 +@param aOffset the offset from the start of the chunk, to be queried.
1.192 +@param aPhysical a pointer to a TPhysAddr, to be filled with the physical
1.193 + address of the memory at the given offset.
1.194 +
1.195 +@returns the length of contiguous physical memory from the given offset.
1.196 +*/
1.197 +
1.198 +TInt TUsbcScChunkInfo::GetPhysical(TInt aOffset, TPhysAddr* aPhysical)
1.199 + {
1.200 + // Use masks, to retrieve the two components from the physical map, we created of the memory.
1.201 + TUint pageMask = (~0)<<iPageNtz;
1.202 + TUint val = iPhysicalMap[aOffset>>iPageNtz];
1.203 + *aPhysical=(val & pageMask)+(aOffset & ~pageMask);
1.204 + return ((val & ~pageMask)<<iPageNtz) - (aOffset & ~pageMask);
1.205 + }
1.206 +
1.207 +
1.208 +// DFC calls this fuction, which invokes the cleanup method.
1.209 +
1.210 +void DfcChunkCleanup(TAny* aChunkInfo)
1.211 + {
1.212 + ((TUsbcScChunkInfo*) aChunkInfo)->ChunkCleanup();
1.213 + }
1.214 +
1.215 +
1.216 +void TUsbcScChunkInfo::ChunkCleanup()
1.217 +{
1.218 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScChunkInfo::ChunkCleanup()"));
1.219 + TUint physAddr;
1.220 + TInt length;
1.221 + TInt offset = 0;
1.222 +
1.223 + // The part of the field used for the physical page address.
1.224 + TUint pageMask = (~0)<<iPageNtz;
1.225 +
1.226 + // The part of the field used for the run length encoding, of the contiguous pages.
1.227 + TUint rleMask = ~pageMask;
1.228 + TInt records=(iAllocatedSize>>2);
1.229 +
1.230 + while (offset < records)
1.231 + {
1.232 + physAddr = iPhysicalMap[offset] & pageMask;
1.233 + length = iPhysicalMap[offset] & rleMask;
1.234 +
1.235 + if (physAddr>0)
1.236 + Epoc::FreePhysicalRam(physAddr, length);
1.237 +
1.238 + offset += (length>0)?length:1;
1.239 + }
1.240 + Kern::Free(iPhysicalMap);
1.241 +
1.242 + DLogicalDevice* ldd = iLdd;
1.243 + delete this;
1.244 + ldd->Close(NULL);
1.245 +}
1.246 +
1.247 +TInt TUsbcScChunkInfo::New(TUsbcScChunkInfo*& aChunk, TInt aSize, DLogicalDevice* aLdd)
1.248 +{
1.249 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScChunkInfo::New totalSize %d", aSize));
1.250 +
1.251 + aChunk = new TUsbcScChunkInfo(aLdd);
1.252 + if (aChunk==NULL)
1.253 + {
1.254 + return KErrNoMemory;
1.255 + }
1.256 +
1.257 + TInt r = aChunk->CreateChunk(aSize);
1.258 + if (r!=KErrNone)
1.259 + {
1.260 + delete aChunk;
1.261 + aChunk=NULL;
1.262 + return r;
1.263 + }
1.264 +
1.265 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScChunkInfo::New Created at 0x%x", aChunk->iChunkMem ));
1.266 + return KErrNone;
1.267 +}
1.268 +
1.269 +// End TUsbcScChunkInfo
1.270 +
1.271 +/*****************************************************************************\
1.272 +* TUsbcScBuffer *
1.273 +* *
1.274 +* Represents a buffer, within a chunk. Each buffers can be used by *
1.275 +* differt endpoint on differnt alt settings *
1.276 +* *
1.277 +\*****************************************************************************/
1.278 +
1.279 +
1.280 +TInt TUsbcScBuffer::Construct(TInt aDirection, DLddUsbcScChannel* aLdd, TInt aBufferOffset, TInt aBufferEndOffset, TInt aMinReadSize, TInt aMaxPacketSize, TInt aMaxReadSize)
1.281 + {
1.282 + TInt r;
1.283 +#ifdef _DEBUG
1.284 + iSequence = aBufferOffset; // Initialized at this, so that each buffer starts with a diffrent sequence number
1.285 +#endif
1.286 + iMinReadSize = aMinReadSize;
1.287 + TInt size = (aBufferEndOffset - aBufferOffset);
1.288 + TInt pageSize = Kern::RoundToPageSize(1);
1.289 + if (aMaxReadSize > 0)
1.290 + iMaxReadSize = aMaxReadSize;
1.291 + else
1.292 + iMaxReadSize = pageSize + ((size/3) & ~(pageSize -1));
1.293 + iLdd = aLdd;
1.294 + iDirection = aDirection;
1.295 + iMode=0;
1.296 + iChunkInfo = aLdd->iChunkInfo;
1.297 + iChunkAddr = (TLinAddr) (aLdd->iChunkInfo->iChunkMem); //aChunkAddr;
1.298 +
1.299 + TInt headerSize = sizeof(TUsbcScTransferHeader)-4; // TransferHeader includes 4 bytes of data.
1.300 +
1.301 +
1.302 + TUint maxAlignment; // Note: This is a mask for max Alignment,
1.303 +
1.304 + if (aMaxPacketSize)
1.305 + { // EP0 packets are not DMAed, and so dont need ialignment.
1.306 + iAlignMask = ~3;
1.307 + maxAlignment = 3;
1.308 + }
1.309 + else
1.310 + maxAlignment = 1023; // We don't know what the alignment requirement will be until enumeration, so assume worse case.
1.311 +
1.312 + iFirstPacket = aBufferOffset + sizeof(SUsbcScBufferHeader) + headerSize;
1.313 + iFirstPacket = (iFirstPacket + maxAlignment) & ~maxAlignment;
1.314 +
1.315 + iBufferStart = (SUsbcScBufferHeader *) (iChunkAddr+aBufferOffset);
1.316 + iBufferEnd = aBufferEndOffset;
1.317 +
1.318 + if ((iDirection&1)==KUsbcScOut)
1.319 + iHead = iFirstPacket-headerSize;//aBufferOffset + sizeof(SUsbcScBufferHeader);
1.320 + else
1.321 + iSent = 0;
1.322 +
1.323 + iStalled=0;
1.324 + iMaxPacketSize=0;
1.325 +
1.326 + r = iStatusList.Construct((aDirection==KUsbcScIn)?KUsbcScInRequests:KUsbcScOutRequests, iLdd->iClient);
1.327 + if (!r)
1.328 + {
1.329 + iMaxPacketSize = aMaxPacketSize; // Indicates configured if ep0, otherwise not.
1.330 + }
1.331 + return r;
1.332 + }
1.333 +
1.334 +
1.335 +void TUsbcScBuffer::CreateChunkBufferHeader()
1.336 +{
1.337 + if ((iDirection&1)==KUsbcScOut)
1.338 + {
1.339 + iBufferStart->iHead= iHead;
1.340 + iBufferStart->iTail= iHead; // Initially no data!
1.341 + iBufferStart->iBilTail=iHead;
1.342 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: iHead 0x%x bufferHeader 0x%x", iHead,iBufferStart ));
1.343 +
1.344 + // Dont need to round here, as we will round it up on endpoint change. (configuration)
1.345 + }
1.346 +}
1.347 +
1.348 +/*
1.349 +TUsbcScBuffer::StartEndpoint
1.350 +
1.351 +This method sets the nessesary paramenters to the buffer, for use for a particular endpoint.
1.352 +
1.353 +*/
1.354 +void TUsbcScBuffer::StartEndpoint(TUsbcRequestCallback* aRequestInfo, TUint aFlags)
1.355 + {
1.356 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartEndpoint (0x%x) : ep %d(%d)",this,aRequestInfo->iEndpointNum, aRequestInfo->iRealEpNum));
1.357 +
1.358 + iCallback=aRequestInfo;
1.359 + iMaxPacketSize = iLdd->iController->EndpointPacketSize(iLdd, aRequestInfo->iRealEpNum);
1.360 + iAlignMask = ~(((iMaxPacketSize+1) & 0xFFFFFFF8)-1);
1.361 + iMode = aFlags;
1.362 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartEndpoint : max Packets %d, mask 0x%x flags 0x%x", iMaxPacketSize, iAlignMask, iMode));
1.363 + if ((iDirection&1)==KUsbcScOut)
1.364 + {
1.365 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::UsbcScOut\n"));
1.366 + // Add dummy packet (doesnt have to be aligned, which avoids what if it changes issue)
1.367 + // And Start next read.
1.368 + iNeedsPacket=KEpIsStarting;
1.369 + }
1.370 + }
1.371 +
1.372 +
1.373 +
1.374 +void TUsbcScBuffer::Destroy()
1.375 +{
1.376 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::Destroy()"));
1.377 + Cancel(KErrCancel);
1.378 + if (iLdd->iController && ((iDirection&1)==KUsbcScOut))
1.379 + { // Me must cancel reads to LDD to, an there will be no list for the callbacks to look into.
1.380 + iLdd->iController->CancelReadBuffer(iLdd, iCallback->iRealEpNum);
1.381 + }
1.382 + iStatusList.Destroy();
1.383 +}
1.384 +
1.385 +
1.386 +
1.387 +TInt TUsbcScBuffer::StartDataRead()
1.388 +{
1.389 + if (!iMaxPacketSize)
1.390 + {
1.391 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartDataRead() - Not Configured"));
1.392 + return KErrNone;
1.393 + }
1.394 + if (iStatusList.iState!=ENotRunning)
1.395 + {
1.396 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartDataRead() - Already Stated! (%d)",iStatusList.iState));
1.397 + return KErrNone;
1.398 + }
1.399 +
1.400 + TInt maxLength;
1.401 + TInt freeSpace;
1.402 + TPhysAddr physAddr;
1.403 +
1.404 + // get next request
1.405 + TUsbcScStatusElement* nextJob = iStatusList.Next();
1.406 + if (nextJob == NULL)
1.407 + {
1.408 + __KTRACE_OPT(KUSB, Kern::Printf("No more jobs"));
1.409 + if (iMode && KUsbScCoupledRead)
1.410 + return KErrEof;
1.411 + iStatusList.iState=EReadingAhead;
1.412 + }
1.413 + else
1.414 + iStatusList.iState=EInProgress;
1.415 +
1.416 + TInt tail = iBufferStart->iTail;
1.417 + TInt headerSize = sizeof(TUsbcScTransferHeader)-4; // TransferHeader includes 4 bytes of data.
1.418 + maxLength = iChunkInfo->GetPhysical(iHead + headerSize, &physAddr); //returns all the bytes available after iHead + headerSize)
1.419 +
1.420 + __ASSERT_DEBUG(maxLength>0,Kern::Fault("TUsbcScBuffer::StartDataRead(", __LINE__));
1.421 +
1.422 +
1.423 + if (tail>iHead) // # # # H _ _ _ T # # # #
1.424 + {
1.425 + __KTRACE_OPT(KUSB,Kern::Printf("TUsbcScBuffer::StartDataRead() - tail 0x%x>head 0x%x, maxlength 0x%x", tail, iHead, maxLength));
1.426 +
1.427 + freeSpace = (tail & iAlignMask) - (iHead +headerSize + (~iAlignMask+1) ); // Cant read right up to last buffer, or head/tail will cross.
1.428 +
1.429 + if (freeSpace<iMinReadSize)
1.430 + {
1.431 + iStatusList.iState=ENotRunning;
1.432 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartDataRead() - Stall!!"));
1.433 + return KErrOverflow; // Read STALL !! !! !!
1.434 + }
1.435 +
1.436 + if (freeSpace<maxLength)
1.437 + maxLength = freeSpace;
1.438 + }
1.439 + if (maxLength> iMaxReadSize)
1.440 + maxLength = iMaxReadSize;
1.441 + // else tail<iHead (or empty) _ _ _ T # # # H _ _ _ _
1.442 + // We would not have set iHead here if too small. So must be ok.
1.443 +
1.444 + __ASSERT_DEBUG(maxLength>=iMinReadSize,Kern::Fault("TUsbcScBuffer::StartDataRead(", __LINE__));
1.445 +
1.446 + TUint8* data = ((TUsbcScTransferHeader *) (iHead + iChunkAddr))->iData.b;
1.447 + // set up callback stucture
1.448 +
1.449 + iCallback->SetRxBufferInfo(data, physAddr, iIndexArray, iSizeArray,maxLength);
1.450 + TInt r;
1.451 + // Go!!
1.452 + r = iLdd->iController->SetupReadBuffer(*iCallback);
1.453 + if (r!=KErrNone)
1.454 + {
1.455 + __KTRACE_OPT(KUSB,Kern::Printf("SetupReadBuffer Error: %d, RT %d",r, iStatusList.iState));
1.456 + iStatusList.Complete(r);
1.457 + }
1.458 + // After this, TUsbcScEndpoint::RequestCallback is called in a DFC.
1.459 + // This in turn calls either TUsbcScBuffer::CompleteRead.
1.460 + return KErrNone;
1.461 +}
1.462 +
1.463 +
1.464 +void TUsbcScBuffer::CompleteRead(TBool aStartNextRead)
1.465 +{
1.466 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::CompleteRead buff=%x",this));
1.467 +
1.468 + // The first packet always contains the total #of bytes
1.469 + const TInt byteCount = iCallback->iPacketSize[0];
1.470 + const TInt packetCount = iCallback->iRxPackets;
1.471 + iCallback->iRxPackets=0;
1.472 + TUint flags = 0;
1.473 +
1.474 + if (iCallback->iPacketSize[packetCount - 1] < (TUint) iMaxPacketSize)
1.475 + flags = KUsbcScShortPacket;
1.476 +
1.477 + UpdateBufferList(byteCount, flags, aStartNextRead);
1.478 +}
1.479 +
1.480 +
1.481 +// This method "submits" the current transfer, and starts off the next read.
1.482 +
1.483 +void TUsbcScBuffer::UpdateBufferList(TInt aByteCount,TUint aFlags, TBool aStartNextRead)
1.484 + {
1.485 +
1.486 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::UpdateBUfferLIst aByteCount %d, flags 0x%x iHead 0x%x", aByteCount, aFlags, iHead));
1.487 +
1.488 + TInt headerSize = sizeof(TUsbcScTransferHeader)-4; // TransferHeader includes 4 bytes of data.
1.489 + TLinAddr dummy;
1.490 + __KTRACE_OPT(KUSB, Kern::Printf("iHead 0x%x headerSize 0x%x",iHead, headerSize));
1.491 +
1.492 + // Find iNext
1.493 +
1.494 + TInt next = iHead + headerSize + aByteCount; // next unused byte in buffer.
1.495 + TInt maxLength;
1.496 +
1.497 + // This may take a few loops before we settle on a value.
1.498 + do
1.499 + {
1.500 + // round up.
1.501 + next = (next + headerSize + ~iAlignMask) & iAlignMask;
1.502 + maxLength = iChunkInfo->GetPhysical(next, &dummy);
1.503 +
1.504 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::UpdateBUfferLIst next %x buffer end %x min-read: %x maxRun %x", next, iBufferEnd, iMinReadSize, maxLength));
1.505 + // At the end of the buffer - wrap it if needbe.
1.506 + if ((TUint)(next + iMinReadSize) > iBufferEnd)
1.507 + {
1.508 + next = iFirstPacket;
1.509 + continue;
1.510 + }
1.511 + // Not enough space, move onto next block.
1.512 + if (maxLength<iMinReadSize)
1.513 + {
1.514 + next+=maxLength;
1.515 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::UpdateBUfferLIst Skip exhausted block. next %x max %d", next, maxLength));
1.516 + continue;
1.517 + }
1.518 + }
1.519 + while (EFalse);
1.520 +
1.521 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::UpdateBUfferLIst next (pre deduct): %x, Fill in header at head: 0x%x, BuffStart: 0x%x.", next, iHead, iBufferStart));
1.522 +
1.523 + next -= headerSize; // Move next back from the data start position, to the header start.
1.524 +
1.525 + TUsbcScTransferHeader* header = (TUsbcScTransferHeader*) (iHead + iChunkAddr);
1.526 +
1.527 +// Create Header
1.528 +#ifdef _DEBUG
1.529 + header->iHashId=59*(iLdd->iAlternateSetting+1)+iCallback->iRealEpNum; // Alt setting realated....
1.530 + header->iSequence=iSequence;
1.531 + iSequence++;
1.532 +#endif
1.533 + header->iBytes=aByteCount;
1.534 + header->iNext=next;
1.535 + header->iAltSettingSeq=iLdd->iAsSeq;
1.536 + header->iAltSetting=iLdd->iAlternateSetting;
1.537 + header->iFlags=aFlags;
1.538 + __KTRACE_OPT(KUSB, Kern::Printf("We set next to 0x%x", next));
1.539 +
1.540 + iStatusList.iState=ENotRunning;
1.541 + if (next==iBufferStart->iTail) //or (othwise is as good as full)
1.542 + {
1.543 + iStalled=next;
1.544 + }
1.545 + else
1.546 + {
1.547 +
1.548 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::UpdateBUfferLIst StartRead?? "));
1.549 + TInt oldHead=iHead;
1.550 + iHead = next;
1.551 +
1.552 + if ((aStartNextRead) && (StartDataRead() == KErrOverflow))
1.553 + { // Oh crumbs, set state as slalled.
1.554 + if (oldHead != iBufferStart->iBilTail)
1.555 + // If user has not read everything in the buffer
1.556 + // then set up a stall, so that ldd get to be woken early
1.557 + {
1.558 + iStalled=next;
1.559 + iHead=oldHead;
1.560 + }
1.561 + else // otherwise if everything is read
1.562 + // no choice but to return what we have
1.563 + {
1.564 + iBufferStart->iHead = iHead;
1.565 + }
1.566 + }
1.567 + else
1.568 + {
1.569 + iBufferStart->iHead = next;
1.570 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::UpdateBUfferLIst Compleating\n"));
1.571 + }
1.572 + // Complete userside
1.573 + iStatusList.Complete();
1.574 + }
1.575 + }
1.576 +
1.577 +void TUsbcScBuffer::PopStall()
1.578 + {
1.579 + if (iStalled==iBufferStart->iTail)
1.580 + return; // Still stalled.
1.581 +
1.582 + if (iStalled!=-1) // If not Alt packet only stall
1.583 + {
1.584 + // pop off packet
1.585 + iHead = iStalled;
1.586 + }
1.587 + iStalled=0;
1.588 + // If Alt setting of the popped packet is different to now
1.589 + // Add alt setting change packet.
1.590 +
1.591 +
1.592 + if (StartDataRead() == KErrOverflow)
1.593 + {
1.594 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::PopStall Warning: Transfer was freed, but still no space!\n"));
1.595 + }
1.596 +
1.597 + iBufferStart->iHead = iHead;
1.598 + }
1.599 +
1.600 +
1.601 +
1.602 +void TUsbcScBuffer::StartDataWrite()
1.603 + {
1.604 +
1.605 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartDataWrite()"));
1.606 + TUsbcScStatusElement* nextJob = iStatusList.Next();
1.607 + TBool zlpReqd;
1.608 + TInt length;
1.609 + TUint start;
1.610 + TUint8* startAddr;
1.611 + TInt maxLength;
1.612 + TPhysAddr physAddr;
1.613 + TInt r;
1.614 + if (!iMaxPacketSize)
1.615 + {
1.616 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartDataWrite() - Not Configured"));
1.617 + return;
1.618 + }
1.619 +
1.620 + if (nextJob == NULL)
1.621 + {
1.622 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartDataWrite() - No more jobs d=%d", iDirection));
1.623 + if (iDirection==KUsbcScBiIn) // assume this is EP0, if this is true.
1.624 + {
1.625 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::StartDataWrite() Queue Read on EP0."));
1.626 + // Start other read again.
1.627 + iLdd->iBuffers[iLdd->iEP0OutBuff].StartDataRead();
1.628 + }
1.629 + }
1.630 + else
1.631 + {
1.632 + if (iStatusList.iState==ENotRunning)
1.633 + iSent=0;
1.634 + iStatusList.iState=EInProgress;
1.635 +
1.636 + start = nextJob->iStart;
1.637 + startAddr = (TUint8*) (start + ((TUint) (iChunkInfo->iChunkMem)));
1.638 +
1.639 + length = nextJob->iLength;
1.640 + zlpReqd = (nextJob->iFlags & KUsbcScWriteFlagsZlp) !=0;
1.641 + // get max read length
1.642 + maxLength = iChunkInfo->GetPhysical( start, &physAddr);
1.643 +
1.644 + if (maxLength < length)
1.645 + {
1.646 + // modify request.
1.647 + nextJob->iStart += maxLength;
1.648 + nextJob->iLength -= maxLength;
1.649 + // start this request.
1.650 + iStatusList.iState=EFramgementInProgress;
1.651 + zlpReqd=EFalse;
1.652 + length = maxLength;
1.653 + }
1.654 +
1.655 + if (iDirection==KUsbcScBiIn) // this is for EP0
1.656 + {
1.657 + iLdd->iController->CancelReadBuffer(iLdd, iCallback->iRealEpNum);
1.658 + iLdd->iBuffers[iLdd->iEP0OutBuff].iStatusList.iState=ENotRunning;
1.659 + }
1.660 +
1.661 + iCallback->SetTxBufferInfo(startAddr, physAddr, length);
1.662 + iCallback->iZlpReqd = zlpReqd;
1.663 + r = iLdd->iController->SetupWriteBuffer(*iCallback);
1.664 + if (r!=KErrNone)
1.665 + {
1.666 + __KTRACE_OPT(KUSB, Kern::Printf("SetupWriteBUffer Error: %d",r));
1.667 + iStatusList.Complete(r);
1.668 + }
1.669 + }
1.670 +
1.671 + }
1.672 +
1.673 +void TUsbcScBuffer::CompleteWrite()
1.674 + {
1.675 + TInt error = iCallback->iError;
1.676 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::CompleteWrite buff=%x, err=%d",this, error));
1.677 + iSent+= iCallback->iTxBytes;
1.678 +
1.679 + // More to send?
1.680 + if (error || iStatusList.iState!=EFramgementInProgress)
1.681 + {
1.682 + // complete request with error (if one).
1.683 + // Some data could have been transmitted, even with an error.
1.684 + iStatusList.Complete(error);
1.685 + }
1.686 +
1.687 + // Start next request, or next part of this one.
1.688 + StartDataWrite();
1.689 +
1.690 + }
1.691 +
1.692 +// Cancels the current request's callback.
1.693 +// This is not to say it will cancel the actual operation,
1.694 +// However it will cancel any further sections of the user perceived operation
1.695 +// that are not yet started.
1.696 +void TUsbcScBuffer::Cancel(TInt aErrorCode)
1.697 + {
1.698 + iStatusList.CancelQueued();
1.699 + if (iLdd->iController && ((iDirection&1)==KUsbcScIn))
1.700 + {
1.701 + iLdd->iController->CancelWriteBuffer(iLdd, iCallback->iRealEpNum);
1.702 + }
1.703 +
1.704 + iStatusList.Complete(aErrorCode);
1.705 + }
1.706 +
1.707 +void TUsbcScBuffer::Ep0CancelLddRead()
1.708 + {
1.709 + // Stopping a read isn't as easy as one might think.
1.710 + // We cancel the callback, but then check if any data was received (but not returned to us).
1.711 + // If so, we must de-queue the request, and call the completion code.
1.712 +
1.713 + iLdd->iController->CancelReadBuffer(iLdd, iCallback->iRealEpNum);
1.714 + if (iCallback->iRxPackets) // received data?
1.715 + {
1.716 + // remove DFC (if infact sent)
1.717 + iCallback->iDfc.Cancel();
1.718 +
1.719 + // process the callback now, but dont start another
1.720 + CompleteRead(EFalse);
1.721 + }
1.722 + }
1.723 +
1.724 +void TUsbcScBuffer::SendEp0StatusPacket(TInt aState)
1.725 +{
1.726 + __KTRACE_OPT(KUSB, Kern::Printf(" TUsbcScBuffer::SendEp0StatusPacket(%d)", aState));
1.727 +
1.728 + // We need to add a packet to the buffer, so we must stop the pending read, and start
1.729 + // another after we have added out packet.
1.730 + Ep0CancelLddRead();
1.731 +
1.732 + TUint* state = ((TUsbcScTransferHeader *) (iHead + iChunkAddr))->iData.i;
1.733 + *state = aState;
1.734 + UpdateBufferList(4,KUsbcScStateChange);
1.735 +}
1.736 +
1.737 +// End TUsbcScBuffer
1.738 +
1.739 +/*****************************************************************************\
1.740 +* TUsbcScStatusList *
1.741 +* *
1.742 +* This is a list of read or write requests, containing user status *
1.743 +* requests, that should later be completed. *
1.744 +* *
1.745 +\*****************************************************************************/
1.746 +
1.747 +/**
1.748 +Constructor for TUsbcScStatusList.
1.749 +
1.750 +@param aSize is the number of requests to allow at any one time. This value
1.751 + must be a power of two, for correct operation.
1.752 +
1.753 +@returns KErrNoMemory if memory allocation failure, otherwise KErrNone.
1.754 +*/
1.755 +
1.756 +TInt TUsbcScStatusList::Construct(TInt aSize, DThread* aClient)
1.757 + {
1.758 + iSize=aSize;
1.759 + iHead = 0;
1.760 + iLength = 0;
1.761 + iClient = aClient;
1.762 + iElements=(TUsbcScStatusElement *) Kern::AllocZ(sizeof(TUsbcScStatusElement)*aSize);
1.763 + return (iElements==NULL)?KErrNoMemory:KErrNone;
1.764 + };
1.765 +
1.766 +
1.767 +// StatusList must be inactive before destroying.
1.768 +void TUsbcScStatusList::Destroy()
1.769 + {
1.770 + if (iState!=ENotRunning)
1.771 + Kern::Fault("TUsbcScStatusList::Destroy", __LINE__);
1.772 + if (iElements)
1.773 + {
1.774 + Kern::Free(iElements);
1.775 + iElements=NULL;
1.776 + }
1.777 + iClient=NULL;
1.778 +}
1.779 +
1.780 +void TUsbcScStatusList::Pop()
1.781 + {
1.782 + if (iLength>0)
1.783 + {
1.784 + iLength--;
1.785 + iHead = ((iHead+1) & (iSize-1));
1.786 + }
1.787 + }
1.788 +
1.789 +TUsbcScStatusElement* TUsbcScStatusList::Next()
1.790 + {
1.791 + return (iLength==0)?NULL:&(iElements[iHead]);
1.792 + }
1.793 +
1.794 +TInt TUsbcScStatusList ::Add(TRequestStatus* aStatus, TInt aLength, TUint aStart, TUint aFlags)
1.795 + {
1.796 + __KTRACE_OPT(KUSB,Kern::Printf("Adding request. iLength %d iSize %d", iLength, iSize));
1.797 + if (iLength<iSize)
1.798 + {
1.799 + TUsbcScStatusElement& e = iElements[((iHead+iLength) & (iSize-1))];
1.800 + e.iStatus = aStatus;
1.801 + e.iLength = aLength;
1.802 + e.iStart = aStart;
1.803 + e.iFlags = aFlags;
1.804 + iLength++;
1.805 + __KTRACE_OPT(KUSB,Kern::Printf("Adding request. new iLength %d", iLength));
1.806 +
1.807 + return KErrNone;
1.808 + }
1.809 + else
1.810 + return KErrInUse;
1.811 + }
1.812 +
1.813 +
1.814 +
1.815 +// This method cancels any requests that have yet to be started.
1.816 +
1.817 +void TUsbcScStatusList::CancelQueued(TInt aError)
1.818 +{
1.819 + if ((iLength==0) || ((iState!=ENotRunning) && (iLength==1))) // Nothing to do.
1.820 + return;
1.821 + TInt elements2Complete = iLength - (iState?1:0);
1.822 + TInt head = iHead;
1.823 + iLength = 0;
1.824 + if (iState) // If (iState != ENotRunning), complete all elements excepting the one at head
1.825 + {
1.826 + head = ((head+1) & (iSize-1)); // To iterate through the queue
1.827 + iLength = 1;
1.828 + }
1.829 + // complete them all.
1.830 + for (; elements2Complete>0; elements2Complete--)
1.831 + {
1.832 + Kern::RequestComplete(iClient, iElements[head].iStatus, aError);
1.833 + head = ((head+1) & (iSize-1));
1.834 + }
1.835 +
1.836 +}
1.837 +
1.838 +
1.839 +/* This method Completes the head status request, and pops it from its list.
1.840 +This version of Complete is to be used in cases where the next request is not
1.841 +chained - usually because of an error.
1.842 +
1.843 +@Param aError - the code to complete with.
1.844 +
1.845 +returns KErrNotFound if there was no request to complete
1.846 +*/
1.847 +
1.848 +
1.849 +TInt TUsbcScStatusList::Complete(TInt aError)
1.850 + {
1.851 + if (iState==ENotRunning)
1.852 + {
1.853 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScStatusList::Complete() - iState == ENotRunning!"));
1.854 + }
1.855 + else
1.856 + {
1.857 + iState=ENotRunning;
1.858 + if (iLength==0)
1.859 + return KErrNotFound;
1.860 +
1.861 + Kern::RequestComplete(iClient, iElements[iHead].iStatus, aError);
1.862 +
1.863 + iLength--;
1.864 + iHead = ((iHead+1) & (iSize-1));
1.865 + }
1.866 + return KErrNone;
1.867 + }
1.868 +
1.869 +
1.870 +/* This method Completes the head status request, and pops it from its list. (If found.)
1.871 +This version of Complete is to be used in cases where the request is successful, and
1.872 + next request after this has (if present) been chained.
1.873 +*/
1.874 +
1.875 +void TUsbcScStatusList::Complete()
1.876 + {
1.877 + if (iLength==0)
1.878 + return;
1.879 + __KTRACE_OPT(KUSB, Kern::Printf("Completing request. iLength %d", iLength));
1.880 +
1.881 + Kern::RequestComplete(iClient, iElements[iHead].iStatus, KErrNone);
1.882 +
1.883 + iLength--;
1.884 + iHead = ((iHead+1) & (iSize-1));
1.885 + }
1.886 +
1.887 +// End TUsbcScStatusList
1.888 +
1.889 +/*****************************************************************************\
1.890 +* TRealizeInfo *
1.891 +* *
1.892 +* Used by DLddUsbcScChannel::RealizeInterface to set up the chunk *
1.893 +* *
1.894 +\*****************************************************************************/
1.895 +
1.896 +// Init
1.897 +//
1.898 +// This method works out the number potential maximum number of endpoints
1.899 +// and the number of alt settings. With this information it allocs
1.900 +// the necessary space for the given stucture to store information about
1.901 +// the endpoints.
1.902 +// This is intended to be called by RealizeInterface. This stucture is
1.903 +// intended to be only temporary, and the space will be freed with Free()
1.904 +// before RealizeInteface has finished.
1.905 +
1.906 +void TRealizeInfo::Init(TUsbcScAlternateSettingList* aAlternateSettingList)
1.907 +{
1.908 + iAlternateSettingList = aAlternateSettingList;
1.909 + iMaxEndpoints=0;
1.910 + iTotalSize =0;
1.911 + iTotalBuffers=0;
1.912 + iAltSettings =0;
1.913 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: work out max endpoint"));
1.914 + // Work out max endpoints and number of alternate settings.
1.915 +
1.916 + if (iAlternateSettingList)
1.917 + {
1.918 + TUsbcScAlternateSetting* alt = iAlternateSettingList->iHead;
1.919 + while (alt != NULL)
1.920 + {
1.921 + iAltSettings++;
1.922 + if (alt->iNumberOfEndpoints>iMaxEndpoints)
1.923 + iMaxEndpoints = alt->iNumberOfEndpoints;
1.924 + // could work out in/out specifics, but unnecessary.
1.925 + alt = alt->iNext;
1.926 + };
1.927 + }
1.928 +
1.929 + // Alloc some temporary working space for temp endpoint metadata
1.930 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Alloc temp. Maxendpoints %d", iMaxEndpoints));
1.931 + TInt inout;
1.932 + for (inout=KUsbcScIn; inout<KUsbcScDirections; inout++)
1.933 + {
1.934 + iBufs[inout].iEp = (TUsbcScEndpoint **) Kern::AllocZ(iAltSettings*iMaxEndpoints*sizeof(TUsbcScEndpoint *));
1.935 + iBufs[inout].iSizes = (TInt *) Kern::AllocZ(iMaxEndpoints*sizeof(TInt));
1.936 + }
1.937 +}
1.938 +
1.939 +// CopyAndSortEndpoints
1.940 +//
1.941 +// This method copies pointers to the endpoint records into TRealizeInfo
1.942 +// such that they are sorted in order of size per alt setting.
1.943 +// In and Out endpoints are separated, and kept separate.
1.944 +// The provided data structure is assumed to have been initialised with
1.945 +// Realize_InitRealizeInfo.
1.946 +//
1.947 +// Return KErrArgument if the direction field is neither In or Out.
1.948 +//
1.949 +
1.950 +TInt TRealizeInfo::CopyAndSortEndpoints()
1.951 + {
1.952 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: copy And sort"));
1.953 +
1.954 + TInt altSetting = 0;
1.955 + TInt endpointOffs;
1.956 + TInt endpoint;
1.957 + TInt altEp;
1.958 + TInt inout;
1.959 + TBool placed;
1.960 + TUsbcScAlternateSetting* alt;
1.961 + TEndpointSortBufs* bufsd;
1.962 +
1.963 + if (iAlternateSettingList)
1.964 + {
1.965 + for (alt = iAlternateSettingList->iHead;alt!=NULL;alt = alt->iNext )
1.966 + {
1.967 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: AlternateSetting %x", alt));
1.968 +
1.969 + iBufs[KUsbcScIn].iEps =0;
1.970 + iBufs[KUsbcScOut].iEps =0;
1.971 +
1.972 + // For alt setting, iterate eps
1.973 + for (altEp=1; altEp <= alt->iNumberOfEndpoints; altEp++)
1.974 + {
1.975 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Endpoint to add: %d",altEp));
1.976 +
1.977 + TUsbcScEndpoint* nextEp = alt->iEndpoint[altEp];
1.978 +
1.979 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: ep Buffer Size: %d",nextEp->EndpointInfo()->iBufferSize));
1.980 +
1.981 + inout = (nextEp->EndpointInfo()->iDir==KUsbEpDirIn)?KUsbcScIn:
1.982 + (nextEp->EndpointInfo()->iDir==KUsbEpDirOut)?KUsbcScOut:KUsbcScUnknown;
1.983 + if (inout==KUsbcScUnknown)
1.984 + {
1.985 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: KUsbcScUnknown %x",nextEp->EndpointInfo()->iDir));
1.986 + return KErrArgument;
1.987 + }
1.988 +
1.989 + bufsd = &(iBufs[inout]);
1.990 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: ep direction: %x # endpoints %d", inout, bufsd->iEps));
1.991 +
1.992 +
1.993 + // find and position ep, and insert.
1.994 +
1.995 + if (bufsd->iEps==0) // First entry.
1.996 + {
1.997 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Add first endpoint"));
1.998 + endpointOffs = altSetting*iMaxEndpoints;
1.999 + bufsd->iEp[endpointOffs] = nextEp;
1.1000 + }
1.1001 + else
1.1002 + {
1.1003 + placed = EFalse;
1.1004 + // Move down the list, until we find the right place.
1.1005 + for (endpoint=bufsd->iEps-1; endpoint>-1; endpoint--)
1.1006 + {
1.1007 + endpointOffs = altSetting*iMaxEndpoints + endpoint;
1.1008 + if (bufsd->iEp[endpointOffs]->EndpointInfo()->iBufferSize < nextEp->EndpointInfo()->iBufferSize)
1.1009 + {
1.1010 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Shift Endpoint %d", endpoint));
1.1011 +
1.1012 + bufsd->iEp[endpointOffs+1] = bufsd->iEp[endpointOffs];
1.1013 + }
1.1014 + else
1.1015 + {
1.1016 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Insert After Endpoint %d", endpoint));
1.1017 +
1.1018 + bufsd->iEp[endpointOffs+1] = nextEp;
1.1019 + placed = ETrue;
1.1020 + break;
1.1021 + }
1.1022 + } // end for endpoint
1.1023 + if (!placed) // if we didn't place it, it must be the biggest so far, so goes at the top.
1.1024 + bufsd->iEp[0] = nextEp;
1.1025 + } // endif
1.1026 + bufsd->iEps++;
1.1027 + } // for altEp
1.1028 + altSetting++;
1.1029 + } // for alt
1.1030 + }// if iAltsettingList
1.1031 + return KErrNone;
1.1032 + }
1.1033 +
1.1034 +// CalcBuffSizes
1.1035 +//
1.1036 +// This works out the sizes of all the buffers, and stores the result in aBufInfo
1.1037 +// based on the buffer information provided in the same structure.
1.1038 +// Realize_CopyAndSortEndpoints is used to fill the structure with the informaition
1.1039 +// required.
1.1040 +
1.1041 +void TRealizeInfo::CalcBuffSizes()
1.1042 + {
1.1043 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Calculate Buffers"));
1.1044 +
1.1045 + TInt endpoint;
1.1046 + TInt inout;
1.1047 + TInt altSetting;
1.1048 + TUsbcScEndpoint* nextEp;
1.1049 + TInt bufferSize;
1.1050 + TEndpointSortBufs* bufsd;
1.1051 +
1.1052 + for (inout=KUsbcScIn; inout<KUsbcScDirections; inout++)
1.1053 + {
1.1054 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Direction: %d", inout));
1.1055 +
1.1056 +
1.1057 + bufsd = &(iBufs[inout]);
1.1058 + // for each row, ie, buffer, find largest buffer need.
1.1059 + for (endpoint=0; endpoint<iMaxEndpoints; endpoint++)
1.1060 + {
1.1061 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: endpoint %d", endpoint));
1.1062 + TInt bufMaxSize=0;
1.1063 + for (altSetting=0; altSetting< iAltSettings; altSetting++)
1.1064 + {
1.1065 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: altSetting %d", altSetting));
1.1066 + nextEp= bufsd->iEp[altSetting* iMaxEndpoints + endpoint];
1.1067 + if (nextEp!=NULL)
1.1068 + {
1.1069 + bufferSize = nextEp->EndpointInfo()->iBufferSize;
1.1070 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: comparing size %d", bufferSize));
1.1071 + if (bufferSize> bufMaxSize)
1.1072 + bufMaxSize = bufferSize;
1.1073 + }
1.1074 + } // for altsetting
1.1075 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: bufMaxSize %d", bufMaxSize));
1.1076 + bufsd->iSizes[endpoint] = bufMaxSize;
1.1077 + if (bufMaxSize>0)
1.1078 + {
1.1079 + iTotalSize += bufsd->iSizes[endpoint];
1.1080 + iTotalBuffers++;
1.1081 + }
1.1082 + } // for endpoint
1.1083 + } // for in/out
1.1084 +}
1.1085 +
1.1086 +// Free
1.1087 +//
1.1088 +// Cleans up after Init()
1.1089 +
1.1090 +void TRealizeInfo::Free()
1.1091 + {
1.1092 + TInt inout;
1.1093 + for (inout=KUsbcScIn; inout<KUsbcScDirections; inout++)
1.1094 + {
1.1095 + Kern::Free(iBufs[inout].iEp);
1.1096 + Kern::Free(iBufs[inout].iSizes);
1.1097 + }
1.1098 + }
1.1099 +
1.1100 +// End TRealizeInfo
1.1101 +
1.1102 +
1.1103 +// LayoutChunkHeader
1.1104 +//
1.1105 +// Sets up some geometry for the chunk;
1.1106 +
1.1107 +void TRealizeInfo::LayoutChunkHeader(TUsbcScChunkInfo* aChunkInfo)
1.1108 +{
1.1109 + // First set up the indexes to the header structures.
1.1110 + TUsbcScChunkHdrOffs* chkHdr = (TUsbcScChunkHdrOffs*) aChunkInfo->iChunkMem;
1.1111 +
1.1112 + chkHdr->iBuffers = sizeof(TUsbcScChunkHdrOffs); // First struct just after this one.
1.1113 + iChunkStuct = (TUsbcScChunkBuffersHeader*) ( (TInt) aChunkInfo->iChunkMem + chkHdr->iBuffers);
1.1114 +
1.1115 + // Store number of buffers in chunk
1.1116 + iChunkStuct->iRecordSize = sizeof(TUsbcScBufferRecord);
1.1117 + iChunkStuct->iNumOfBufs=iTotalBuffers;
1.1118 +
1.1119 + iAltSettingsTbl = (TUsbcScChunkAltSettingHeader*) &(iChunkStuct->iBufferOffset[(iTotalBuffers+2)*sizeof(TUsbcScBufferRecord)]); // 2 extra for EP0 in and out.
1.1120 +
1.1121 + chkHdr->iAltSettings = (TUint) iAltSettingsTbl - (TUint) aChunkInfo->iChunkMem;
1.1122 +
1.1123 + iAltSettingsTbl->iEpRecordSize = sizeof(TUint);
1.1124 + iAltSettingsTbl->iNumOfAltSettings = iAltSettings;
1.1125 +
1.1126 +
1.1127 + TInt tableOffset = (TUint) iAltSettingsTbl->iAltTableOffset - (TUint) aChunkInfo->iChunkMem + iAltSettings*sizeof(TInt);
1.1128 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: table offset: 0x%x, altTble %x iChnkMem %x altSettings %x",tableOffset, iAltSettingsTbl, aChunkInfo->iChunkMem, iAltSettings ));
1.1129 +
1.1130 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: populate chunk - create alt settings table"));
1.1131 +
1.1132 + // Create alt settings table. Set each element of altsettings table, to each induivatual alt setting table.
1.1133 + // then fill in the number of endpoints for that alt setting, in the table.
1.1134 +
1.1135 + TInt* noEpForAlt;
1.1136 + TInt altSetting;
1.1137 + TUsbcScAlternateSetting* alt;
1.1138 + if (iAlternateSettingList)
1.1139 + {
1.1140 + alt = iAlternateSettingList->iHead;
1.1141 + for (altSetting=0; altSetting<iAltSettings; altSetting++)
1.1142 + {
1.1143 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: altSetting %d, tableOffset %d", altSetting, tableOffset));
1.1144 +
1.1145 + iAltSettingsTbl->iAltTableOffset[altSetting] = tableOffset;
1.1146 + noEpForAlt = (TInt*) &aChunkInfo->iChunkMem[tableOffset];
1.1147 +
1.1148 + *noEpForAlt = alt->iNumberOfEndpoints; // Set NumberofEndpoints field in Altsetting table
1.1149 + tableOffset+= sizeof(TInt)+ alt->iNumberOfEndpoints*sizeof(TUsbcScHdrEndpointRecord);
1.1150 + alt = alt->iNext;
1.1151 + }
1.1152 + }
1.1153 +
1.1154 +} // end LayoutChunkHeader
1.1155 +
1.1156 +
1.1157 +
1.1158 +/*****************************************************************************\
1.1159 +* DLddUsbcScChannel *
1.1160 +* *
1.1161 +* Inherits from DLogicalDevice, the USB Shared Chunk LDD factory class *
1.1162 +* *
1.1163 +\*****************************************************************************/
1.1164 +
1.1165 +//
1.1166 +// Constructor
1.1167 +//
1.1168 +DLddUsbcScChannel::DLddUsbcScChannel()
1.1169 + : iValidInterface(EFalse),
1.1170 + iAlternateSettingList(NULL),
1.1171 + iEndpoint(NULL),
1.1172 + iCompleteAllCallbackInfo(this, DLddUsbcScChannel::EmergencyCompleteDfc, KUsbRequestCallbackPriority),
1.1173 + iStatusChangePtr(NULL),
1.1174 + iStatusCallbackInfo(this, DLddUsbcScChannel::StatusChangeCallback, KUsbRequestCallbackPriority),
1.1175 + iEndpointStatusChangePtr(NULL),
1.1176 + iEndpointStatusCallbackInfo(this, DLddUsbcScChannel::EndpointStatusChangeCallback,
1.1177 + KUsbRequestCallbackPriority),
1.1178 + iOtgFeatureChangePtr(NULL),
1.1179 + iOtgFeatureCallbackInfo(this, DLddUsbcScChannel::OtgFeatureChangeCallback, KUsbRequestCallbackPriority),
1.1180 + iNumberOfEndpoints(0),
1.1181 + iDeviceState(EUsbcDeviceStateUndefined),
1.1182 + iOwnsDeviceControl(EFalse),
1.1183 + iAlternateSetting(0),
1.1184 + iAsSeq(0),
1.1185 + iStatusFifo(NULL),
1.1186 + iUserKnowsAltSetting(ETrue),
1.1187 + iDeviceStatusNeeded(EFalse),
1.1188 + iChannelClosing(EFalse),
1.1189 + iRealizeCalled(EFalse),
1.1190 + iChunkInfo(NULL),
1.1191 + iNumBuffers(-1),
1.1192 + iBuffers(NULL),
1.1193 + iEp0Endpoint(NULL)
1.1194 + {
1.1195 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::DLddUsbcScChannel()"));
1.1196 + iClient = &Kern::CurrentThread();
1.1197 + iClient->Open();
1.1198 + for (TInt i = 1; i < KUsbcMaxRequests; i++)
1.1199 + {
1.1200 + iRequestStatus[i] = NULL;
1.1201 + }
1.1202 + }
1.1203 +
1.1204 +
1.1205 +//
1.1206 +// Destructor
1.1207 +//
1.1208 +
1.1209 +DLddUsbcScChannel::~DLddUsbcScChannel()
1.1210 + {
1.1211 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::~DLddUsbcScChannel()"));
1.1212 + if (iController)
1.1213 + {
1.1214 + iStatusCallbackInfo.Cancel();
1.1215 + iEndpointStatusCallbackInfo.Cancel();
1.1216 + iOtgFeatureCallbackInfo.Cancel();
1.1217 + iCompleteAllCallbackInfo.Cancel();
1.1218 + DestroyAllInterfaces();
1.1219 + if (iOwnsDeviceControl)
1.1220 + {
1.1221 + iController->ReleaseDeviceControl(this);
1.1222 + iOwnsDeviceControl = EFalse;
1.1223 + }
1.1224 + iController->DeRegisterClient(this);
1.1225 + iController=NULL;
1.1226 + DestroyEp0();
1.1227 + if (iStatusFifo!=NULL)
1.1228 + {
1.1229 + delete iStatusFifo;
1.1230 + }
1.1231 + }
1.1232 + __KTRACE_OPT(KUSB, Kern::Printf("Closing buffers"));
1.1233 + if (iBuffers)
1.1234 + {
1.1235 + TInt i;
1.1236 + for (i=0; i<(iNumBuffers+2); i++)
1.1237 + {
1.1238 + iBuffers[i].Destroy();
1.1239 + }
1.1240 + Kern::Free(iBuffers);
1.1241 + }
1.1242 +
1.1243 + if (iRealizeCalled)
1.1244 + {
1.1245 + // Close Chunk
1.1246 + iChunkInfo->Close();
1.1247 + // ChunkInfo will delete itself with DFC, but the pointer here is no longer needed.
1.1248 + iChunkInfo=NULL;
1.1249 + }
1.1250 + __KTRACE_OPT(KUSB, Kern::Printf("about to SafeClose"));
1.1251 + Kern::SafeClose((DObject*&)iClient, NULL);
1.1252 + }
1.1253 +
1.1254 +
1.1255 +//
1.1256 +// DoCreate - Create channel
1.1257 +//
1.1258 +
1.1259 +TInt DLddUsbcScChannel::DoCreate(TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& aVer)
1.1260 + {
1.1261 + __KTRACE_OPT(KUSB, Kern::Printf("LDD DoCreateL 1 Ver = %02d %02d %02d",
1.1262 + aVer.iMajor, aVer.iMinor, aVer.iBuild));
1.1263 + if (!Kern::CurrentThreadHasCapability(ECapabilityCommDD,
1.1264 + __PLATSEC_DIAGNOSTIC_STRING("Checked by USBCSC.LDD (USB Driver)")))
1.1265 + {
1.1266 + return KErrPermissionDenied;
1.1267 + }
1.1268 +
1.1269 + iController = DUsbClientController::UsbcControllerPointer();
1.1270 +
1.1271 + if (!iController)
1.1272 + {
1.1273 + return KErrGeneral;
1.1274 + }
1.1275 +
1.1276 + iStatusFifo = new TUsbcDeviceStatusQueue;
1.1277 + if (iStatusFifo == NULL)
1.1278 + {
1.1279 + return KErrNoMemory;
1.1280 + }
1.1281 +
1.1282 + if (!Kern::QueryVersionSupported(TVersion(KUsbcScMajorVersion, KUsbcScMinorVersion, KUsbcScBuildVersion), aVer))
1.1283 + {
1.1284 + return KErrNotSupported;
1.1285 + }
1.1286 +
1.1287 + // set up the correct DFC queue
1.1288 + SetDfcQ(iController->DfcQ(0)); // sets the channel's dfc queue
1.1289 + iCompleteAllCallbackInfo.SetDfcQ(iDfcQ);
1.1290 + iStatusCallbackInfo.SetDfcQ(iDfcQ); // use the channel's dfcq for this dfc
1.1291 + iEndpointStatusCallbackInfo.SetDfcQ(iDfcQ); // use the channel's dfcq for this dfc
1.1292 + iOtgFeatureCallbackInfo.SetDfcQ(iDfcQ);
1.1293 + iMsgQ.Receive(); //start up the message q
1.1294 + TInt r = iController->RegisterClientCallback(iCompleteAllCallbackInfo);
1.1295 + if (r != KErrNone)
1.1296 + return r;
1.1297 + r = iController->RegisterForStatusChange(iStatusCallbackInfo);
1.1298 + if (r != KErrNone)
1.1299 + return r;
1.1300 + r = iController->RegisterForEndpointStatusChange(iEndpointStatusCallbackInfo);
1.1301 + if (r != KErrNone)
1.1302 + return r;
1.1303 + r = iController->RegisterForOtgFeatureChange(iOtgFeatureCallbackInfo);
1.1304 + if (r != KErrNone)
1.1305 + return r;
1.1306 +
1.1307 + return r;
1.1308 + }
1.1309 +// end DoCreate.
1.1310 +
1.1311 +
1.1312 +//
1.1313 +// HandleMsg
1.1314 +//
1.1315 +// Events from userside arrive here, and delegated to either DoRequest, DoControl or DoCancel.
1.1316 +//
1.1317 +
1.1318 +void DLddUsbcScChannel::HandleMsg(TMessageBase* aMsg)
1.1319 + {
1.1320 + TThreadMessage& m = *(TThreadMessage*)aMsg;
1.1321 + TInt id = m.iValue;
1.1322 + __KTRACE_OPT(KUSB, Kern::Printf("HandleMsg 0x%x", id));
1.1323 +
1.1324 + if (id == (TInt) ECloseMsg)
1.1325 + {
1.1326 + iChannelClosing = ETrue;
1.1327 + m.Complete(KErrNone, EFalse);
1.1328 + return;
1.1329 + }
1.1330 +
1.1331 + TInt r;
1.1332 + if (id < 0)
1.1333 + {
1.1334 + // DoRequest
1.1335 + TRequestStatus* pS = (TRequestStatus*) m.Ptr0();
1.1336 + r = DoRequest(~id, pS, m.Ptr1(), m.Ptr2());
1.1337 + m.Complete(r, ETrue);
1.1338 + }
1.1339 + else if (id & RDevUsbcScClient::ERequestCancel)
1.1340 + {
1.1341 + // DoCancel
1.1342 + r = DoCancel(id, (TUint) m.Ptr0(), (TUint) m.Ptr1());
1.1343 + m.Complete(r, ETrue);
1.1344 + }
1.1345 + else
1.1346 + {
1.1347 + // DoControl
1.1348 + r = DoControl(id, m.Ptr0(), m.Ptr1());
1.1349 + m.Complete(r, ETrue);
1.1350 + }
1.1351 + }
1.1352 +// end HandleMsg.
1.1353 +
1.1354 +
1.1355 +#define BREAK_IF_NULL_ARG(a,r) if (a==NULL) { r = KErrArgument; __KTRACE_OPT(KUSB,Kern::Printf("NULL Argument")); break; }
1.1356 +
1.1357 +//
1.1358 +// DoRequest - Asynchronous requests
1.1359 +//
1.1360 +// Overrides pure virtual, called by HandleMsg. (Above)
1.1361 +//
1.1362 +TInt DLddUsbcScChannel::DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2)
1.1363 + {
1.1364 + TInt reqNo = aReqNo & RDevUsbcScClient::KFieldIdMask;
1.1365 + TInt r = KErrNone; // return via request notify
1.1366 + TBool needsCompletion =EFalse;
1.1367 +
1.1368 + __KTRACE_OPT(KUSB, Kern::Printf("DoRequest 0x%08x", aReqNo));
1.1369 +
1.1370 + if ((reqNo>RDevUsbcScClient::ERequestReadDataNotify) &&
1.1371 + (reqNo<RDevUsbcScClient::ERequestMaxRequests))
1.1372 + {
1.1373 + if (iRequestStatus[reqNo])
1.1374 + {
1.1375 + PanicClientThread(ERequestAlreadyPending);
1.1376 + return 0;
1.1377 + }
1.1378 + iRequestStatus[reqNo] = aStatus;
1.1379 + }
1.1380 +
1.1381 + switch (reqNo)
1.1382 + {
1.1383 + case RDevUsbcScClient::ERequestWriteData:
1.1384 + {
1.1385 + TInt buffer = (aReqNo>>RDevUsbcScClient::KFieldBuffPos)&RDevUsbcScClient::KFieldBuffMask;
1.1386 + __KTRACE_OPT(KUSB, Kern::Printf("ERequestWriteData"));
1.1387 + BREAK_IF_NULL_ARG(a2,r);
1.1388 +
1.1389 + r = DoWriteData( aStatus, buffer, (TInt) a1 /*Start*/, (TInt) a2 /* Length */,
1.1390 + aReqNo>>RDevUsbcScClient::KFieldFlagsPos ); // Flags
1.1391 + break;
1.1392 + }
1.1393 + case RDevUsbcScClient::ERequestReadDataNotify:
1.1394 + {
1.1395 + __KTRACE_OPT(KUSB, Kern::Printf("ERequestReadDataNotify"));
1.1396 + return DoReadDataNotify(aStatus, (TInt) a1, (TInt) a2); // a1 = aBufferNumber, a2 - aLength;
1.1397 + }
1.1398 +
1.1399 + case RDevUsbcScClient::ERequestAlternateDeviceStatusNotify:
1.1400 + {
1.1401 + __KTRACE_OPT(KUSB, Kern::Printf("ERequestAlternateDeviceStatusNotify"));
1.1402 + BREAK_IF_NULL_ARG(a1,r);
1.1403 + iDeviceStatusNeeded = ETrue;
1.1404 + iStatusChangePtr = a1;
1.1405 + needsCompletion = AlternateDeviceStateTestComplete();
1.1406 + break;
1.1407 + }
1.1408 + case RDevUsbcScClient::ERequestReEnumerate:
1.1409 + {
1.1410 + __KTRACE_OPT(KUSB, Kern::Printf("ERequestReEnumerate"));
1.1411 + // If successful, this will complete via the status notification.
1.1412 + r = iController->ReEnumerate();
1.1413 + break;
1.1414 + }
1.1415 + case RDevUsbcScClient::ERequestEndpointStatusNotify:
1.1416 + {
1.1417 + __KTRACE_OPT(KUSB, Kern::Printf("ERequestEndpointStatusNotify"));
1.1418 + BREAK_IF_NULL_ARG(a1,r);
1.1419 +
1.1420 + iEndpointStatusChangePtr = a1;
1.1421 + break;
1.1422 + }
1.1423 + case RDevUsbcScClient::ERequestOtgFeaturesNotify:
1.1424 + {
1.1425 + __KTRACE_OPT(KUSB, Kern::Printf("ERequestOtgFeaturesNotify"));
1.1426 + BREAK_IF_NULL_ARG(a1,r);
1.1427 +
1.1428 + iOtgFeatureChangePtr = a1;
1.1429 + break;
1.1430 + }
1.1431 + default:
1.1432 + r = KErrNotSupported;
1.1433 + }
1.1434 +
1.1435 + if ((needsCompletion) || (r != KErrNone))
1.1436 + {
1.1437 + iRequestStatus[reqNo] = aStatus;
1.1438 + Kern::RequestComplete(iClient, iRequestStatus[reqNo], r);
1.1439 + }
1.1440 + return KErrNone;
1.1441 + }
1.1442 +// end DoRequest.
1.1443 +
1.1444 +
1.1445 +//
1.1446 +// DoReadDataNotify
1.1447 +//
1.1448 +// This method sets up the request to facilitate the userside being notifed when new data has been read.
1.1449 +//
1.1450 +TInt DLddUsbcScChannel::DoReadDataNotify(TRequestStatus* aStatus, TInt aBufferNum, TInt aLength)
1.1451 + {
1.1452 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DoReadDataNotify(x, %d, 0x%x)", aBufferNum, aLength));
1.1453 + TInt r = KErrNone;
1.1454 + // check range
1.1455 + if ((aBufferNum<0) || (aBufferNum>=iNumBuffers)) // Indirectly checks that we are set up.
1.1456 + {
1.1457 + if (aBufferNum!=KUsbcScEndpointZero)
1.1458 + {
1.1459 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DoReadDataNotify : Bad Buffer Number!"));
1.1460 + return KErrArgument;
1.1461 + }
1.1462 + else
1.1463 + {
1.1464 + aBufferNum = iEP0OutBuff;
1.1465 + }
1.1466 + }
1.1467 + else
1.1468 + {
1.1469 + // check direction
1.1470 + if (iBuffers[aBufferNum].iDirection!=KUsbcScOut)
1.1471 + {
1.1472 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DoReadDataNotify : Bad Buffer Direction!"));
1.1473 + return KErrNotSupported;
1.1474 + }
1.1475 + if (!Configured())
1.1476 + return KErrUsbInterfaceNotReady;
1.1477 + }
1.1478 + SUsbcScBufferHeader* scBuffer = (SUsbcScBufferHeader*) iBuffers[aBufferNum].iBufferStart;
1.1479 +
1.1480 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DoReadDataNotify head %x tail %x", iBuffers[aBufferNum].iHead , scBuffer->iTail ));
1.1481 +
1.1482 + if (iBuffers[aBufferNum].iHead != scBuffer->iBilTail)
1.1483 + r = KErrCompletion;
1.1484 + else
1.1485 + if (iBuffers[aBufferNum].iStalled)
1.1486 + {
1.1487 + iBuffers[aBufferNum].PopStall();
1.1488 + return KErrCompletion;
1.1489 + }
1.1490 + else
1.1491 + r = iBuffers[aBufferNum].iStatusList.Add(aStatus, aLength, 0,0);
1.1492 +
1.1493 + if (iBuffers[aBufferNum].iStatusList.iState==ENotRunning)
1.1494 + {
1.1495 + iBuffers[aBufferNum].StartDataRead();
1.1496 + }
1.1497 + else
1.1498 + {
1.1499 + __KTRACE_OPT(KUSB, Kern::Printf("Job in Progress!"));
1.1500 + }
1.1501 + return r;
1.1502 + }
1.1503 +// end DoReadDataNotify.
1.1504 +
1.1505 +
1.1506 +
1.1507 +//
1.1508 +// DoWriteData
1.1509 +//
1.1510 +// This method sets up the request to write data to USB from userside.
1.1511 +//
1.1512 +TInt DLddUsbcScChannel::DoWriteData(TRequestStatus* aStatus,TInt aBufferNum, TUint aStart, TUint aLength, TUint aFlags)
1.1513 + {
1.1514 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DoWriteData(%d, 0x%x, 0x%x, 0x%x)", aBufferNum, aStart, aLength, aFlags));
1.1515 + if (!iUserKnowsAltSetting)
1.1516 + return KErrEof;
1.1517 + // Check Buffer Number
1.1518 + if ((aBufferNum<0) || (aBufferNum>=iNumBuffers))
1.1519 + {
1.1520 + if ((TUint)aBufferNum!=RDevUsbcScClient::KFieldBuffMask) // KUsbcScEndpointZero & KFieldBuffMas = KFieldBuffMas;
1.1521 + {
1.1522 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DoWriteData : Bad Buffer Number!"));
1.1523 + return KErrArgument;
1.1524 + }
1.1525 + else
1.1526 + {
1.1527 + aBufferNum = iEP0InBuff;
1.1528 + }
1.1529 + }
1.1530 + else
1.1531 + {
1.1532 + // check direction
1.1533 + if (iBuffers[aBufferNum].iDirection!=KUsbcScIn)
1.1534 + {
1.1535 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DoWriteData Bad endpoint Direction"));
1.1536 + return KErrArgument;
1.1537 + }
1.1538 + }
1.1539 +
1.1540 + TUsbcScBuffer& buf=iBuffers[aBufferNum];
1.1541 +
1.1542 + if ((aStart< (((TLinAddr) buf.iBufferStart)-buf.iChunkAddr)) || ((aStart+aLength)>iBuffers[aBufferNum].iBufferEnd))
1.1543 + {
1.1544 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DoWriteData Bad Range aStart or aLength 0x%x > 0x%x + 0x%x < 0x%x", (((TLinAddr) buf.iBufferStart)-buf.iChunkAddr),aStart, aLength, iBuffers[aBufferNum].iBufferEnd ));
1.1545 + return KErrArgument;
1.1546 + }
1.1547 +
1.1548 + if ( (aBufferNum != iEP0InBuff) && !Configured())
1.1549 + return KErrUsbInterfaceNotReady;
1.1550 +
1.1551 + if (aStart & ~buf.iAlignMask)
1.1552 + {
1.1553 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScBuffer::DoDataWrite: address 0x%x unaligned.",aStart));
1.1554 + return KErrArgument;
1.1555 + }
1.1556 +
1.1557 + TInt r = iBuffers[aBufferNum].iStatusList.Add(aStatus, aLength, aStart, aFlags); //update
1.1558 +
1.1559 + if (iBuffers[aBufferNum].iStatusList.iState==ENotRunning)
1.1560 + {
1.1561 + iBuffers[aBufferNum].StartDataWrite();
1.1562 + }
1.1563 + else
1.1564 + {
1.1565 + __KTRACE_OPT(KUSB, Kern::Printf("Job in Progress!"));
1.1566 + }
1.1567 +
1.1568 +
1.1569 + return r;
1.1570 + }
1.1571 +// end DoWriteData.
1.1572 +
1.1573 +
1.1574 +//
1.1575 +// Cancel an outstanding request // Cancel need reworking.
1.1576 +//
1.1577 +TInt DLddUsbcScChannel::DoCancel(TInt aReqNo, TUint aBuff, TUint aSpair)
1.1578 + {
1.1579 + TInt r = KErrNone;
1.1580 + TInt direction=KUsbcScOut;
1.1581 +
1.1582 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel: 0x%x aBuff 0x%x", aReqNo, aBuff));
1.1583 + switch (aReqNo)
1.1584 + {
1.1585 + case RDevUsbcScClient::ERequestCancel:
1.1586 + TInt buffer;
1.1587 + TInt mask;
1.1588 +
1.1589 + for (buffer=1, mask=1; buffer<iNumBuffers; buffer++,mask<<=1)
1.1590 + if (aBuff&mask)
1.1591 + iBuffers[buffer].Cancel(KErrCancel);
1.1592 +
1.1593 + return KErrNone;
1.1594 +
1.1595 + // coverity[missing_break]
1.1596 + case RDevUsbcScClient::ERequestWriteDataCancel:
1.1597 + direction = KUsbcScIn;
1.1598 + case RDevUsbcScClient::ERequestReadDataNotifyCancel:
1.1599 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel Direction %d endpoints: 0x%x",direction, aReqNo));
1.1600 +
1.1601 + if (((TInt)aBuff)==KUsbcScEndpointZero) // EP0 is bi-directional, so pick correct buffer for call type
1.1602 + {
1.1603 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel Cancel Endpoint 0/%d",direction));
1.1604 + iEp0Endpoint->AbortTransfer();
1.1605 + if (direction==KUsbcScIn)
1.1606 + aBuff=iEP0InBuff;
1.1607 + else
1.1608 + aBuff=iEP0OutBuff;
1.1609 + }
1.1610 + else if ((TInt)aBuff >= iNumBuffers) // check buff no range.
1.1611 + {
1.1612 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel Error: Bad buffer number"));
1.1613 + return KErrArgument;
1.1614 + }
1.1615 +
1.1616 + if ((iBuffers[aBuff].iDirection&1)!=direction) // Does direction match call type?
1.1617 + {
1.1618 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel Error: Bad buffer direction"));
1.1619 + return KErrArgument;
1.1620 + }
1.1621 + iBuffers[aBuff].iStatusList.CancelQueued();
1.1622 + iBuffers[aBuff].Cancel(KErrCancel);
1.1623 +
1.1624 + return KErrNone;
1.1625 +
1.1626 + case RDevUsbcScClient::ERequestAlternateDeviceStatusNotifyCancel:
1.1627 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel: ERequestAlternateDeviceStatusNotify 0x%x", aReqNo));
1.1628 + iDeviceStatusNeeded = EFalse;
1.1629 + iStatusFifo->FlushQueue();
1.1630 + if (iStatusChangePtr)
1.1631 + {
1.1632 + TInt deviceState = iController->GetDeviceStatus();
1.1633 + r = Kern::ThreadRawWrite(iClient, iStatusChangePtr, &deviceState, sizeof(deviceState), iClient);
1.1634 + if (r != KErrNone)
1.1635 + PanicClientThread(r);
1.1636 + iStatusChangePtr = NULL;
1.1637 + }
1.1638 + break;
1.1639 +
1.1640 + case RDevUsbcScClient::ERequestReEnumerateCancel:
1.1641 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel ERequestReEnumerate: 0x%x", aReqNo));
1.1642 + break;
1.1643 +
1.1644 + case RDevUsbcScClient::ERequestEndpointStatusNotifyCancel:
1.1645 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel ERequestEndpointStatusNotify: 0x%x", aReqNo));
1.1646 + CancelNotifyEndpointStatus();
1.1647 + break;
1.1648 +
1.1649 + case RDevUsbcScClient::ERequestOtgFeaturesNotifyCancel:
1.1650 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel ERequestOtgFeaturesNotify: 0x%x", aReqNo));
1.1651 + CancelNotifyOtgFeatures();
1.1652 + break;
1.1653 +
1.1654 + default:
1.1655 + __KTRACE_OPT(KUSB, Kern::Printf("DoCancel Unknown! 0x%x", aReqNo));
1.1656 + return KErrArgument;
1.1657 + }
1.1658 +
1.1659 + Kern::RequestComplete(iClient,iRequestStatus[aReqNo & ~RDevUsbcScClient::ERequestCancel], KErrCancel);
1.1660 + return r;
1.1661 + }
1.1662 +
1.1663 +
1.1664 +void DLddUsbcScChannel::CancelNotifyEndpointStatus()
1.1665 + {
1.1666 + if (iEndpointStatusChangePtr)
1.1667 + {
1.1668 + TUint epBitmap = 0;
1.1669 + for (TInt i = 1; i <= iNumberOfEndpoints; i++)
1.1670 + {
1.1671 + TInt v = iController->GetEndpointStatus(this, iEndpoint[i]->RealEpNumber());
1.1672 + TUint b;
1.1673 + (v == EEndpointStateStalled) ? b = 1 : b = 0;
1.1674 + epBitmap |= b << i;
1.1675 + }
1.1676 + TInt r=Kern::ThreadRawWrite(iClient, iEndpointStatusChangePtr, (TUint8*) &epBitmap, sizeof(epBitmap), iClient);
1.1677 + if (r != KErrNone)
1.1678 + PanicClientThread(r);
1.1679 + iEndpointStatusChangePtr = NULL;
1.1680 + }
1.1681 + }
1.1682 +
1.1683 +void DLddUsbcScChannel::CancelNotifyOtgFeatures()
1.1684 + {
1.1685 + if (iOtgFeatureChangePtr)
1.1686 + {
1.1687 + TUint8 features;
1.1688 + iController->GetCurrentOtgFeatures(features);
1.1689 + TInt r=Kern::ThreadRawWrite(iClient, iOtgFeatureChangePtr, (TUint8*)&features, sizeof(features), iClient);
1.1690 + if (r != KErrNone)
1.1691 + PanicClientThread(r);
1.1692 + iOtgFeatureChangePtr = NULL;
1.1693 + }
1.1694 + }
1.1695 +
1.1696 +
1.1697 +
1.1698 +//
1.1699 +// DoControl - Synchronous requests
1.1700 +//
1.1701 +// Called from HandleMsg.
1.1702 +
1.1703 +TInt DLddUsbcScChannel::DoControl(TInt aFunction, TAny* a1, TAny* a2)
1.1704 + {
1.1705 + __KTRACE_OPT(KUSB, Kern::Printf("DoControl: %d", aFunction));
1.1706 +
1.1707 + TInt r = KErrNone;
1.1708 + TInt ep, param;
1.1709 + TUsbcScEndpoint* pEndpoint;
1.1710 + TPtrC8 pZeroDesc(NULL, 0);
1.1711 + TEndpointDescriptorInfo epInfo;
1.1712 + TUsbcScIfcInfo ifcInfo;
1.1713 + TCSDescriptorInfo desInfo;
1.1714 + TUsbcEndpointResource epRes;
1.1715 +
1.1716 + switch (aFunction)
1.1717 + {
1.1718 + case RDevUsbcScClient::EControlEndpointZeroRequestError:
1.1719 + __KTRACE_OPT(KUSB, Kern::Printf("EControlEndpointZeroRequestError"));
1.1720 + r = KErrNone;
1.1721 + if (iOwnsDeviceControl || (iValidInterface && iDeviceState == EUsbcDeviceStateConfigured))
1.1722 + {
1.1723 + iController->Ep0Stall(this);
1.1724 + }
1.1725 + else
1.1726 + {
1.1727 + if (iDeviceState != EUsbcDeviceStateConfigured)
1.1728 + r = KErrUsbDeviceNotConfigured;
1.1729 + else
1.1730 + r = KErrUsbInterfaceNotReady;
1.1731 + }
1.1732 + break;
1.1733 +
1.1734 + case RDevUsbcScClient::EControlGetAlternateSetting:
1.1735 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetAlternateSetting"));
1.1736 + if (iValidInterface && iDeviceState == EUsbcDeviceStateConfigured)
1.1737 + {
1.1738 + r = iController->GetInterfaceNumber(this, param);
1.1739 + if (r == KErrNone)
1.1740 + {
1.1741 + r = Kern::ThreadRawWrite(iClient, a1, ¶m, sizeof(param), iClient);
1.1742 + if (r != KErrNone)
1.1743 + PanicClientThread(r);
1.1744 + }
1.1745 + }
1.1746 + else
1.1747 + {
1.1748 + if (iDeviceState != EUsbcDeviceStateConfigured)
1.1749 + r = KErrUsbDeviceNotConfigured;
1.1750 + else
1.1751 + r = KErrUsbInterfaceNotReady;
1.1752 + }
1.1753 + break;
1.1754 +
1.1755 + case RDevUsbcScClient::EControlDeviceStatus:
1.1756 + __KTRACE_OPT(KUSB, Kern::Printf("EControlDeviceStatus"));
1.1757 + param = iController->GetDeviceStatus();
1.1758 + r = Kern::ThreadRawWrite(iClient, a1, ¶m, sizeof(param), iClient);
1.1759 + if (r != KErrNone)
1.1760 + PanicClientThread(r);
1.1761 + break;
1.1762 +
1.1763 + case RDevUsbcScClient::EControlEndpointStatus:
1.1764 + __KTRACE_OPT(KUSB, Kern::Printf("EControlEndpointStatus"));
1.1765 + if (iValidInterface && ValidEndpoint((TInt) a1))
1.1766 + {
1.1767 + pEndpoint = iEndpoint[(TInt)a1];
1.1768 + if (pEndpoint == NULL)
1.1769 + r = KErrNotSupported;
1.1770 + else
1.1771 + {
1.1772 + param = iController->GetEndpointStatus(this, iEndpoint[(TInt)a1]->RealEpNumber());
1.1773 + r = Kern::ThreadRawWrite(iClient, a2, ¶m, sizeof(param), iClient);
1.1774 + if (r != KErrNone)
1.1775 + PanicClientThread(r);
1.1776 + }
1.1777 + }
1.1778 + else
1.1779 + {
1.1780 + if (iDeviceState != EUsbcDeviceStateConfigured)
1.1781 + r = KErrUsbDeviceNotConfigured;
1.1782 + else
1.1783 + r = KErrUsbInterfaceNotReady;
1.1784 + }
1.1785 + break;
1.1786 +
1.1787 + case RDevUsbcScClient::EControlEndpointCaps:
1.1788 + __KTRACE_OPT(KUSB, Kern::Printf("EControlEndpointCaps"));
1.1789 + r = Kern::ThreadDesWrite(iClient, a1, pZeroDesc, 0, 0, iClient);
1.1790 + if (r != KErrNone)
1.1791 + PanicClientThread(r);
1.1792 + iController->EndpointCaps(this, *((TDes8*) a1));
1.1793 + break;
1.1794 +
1.1795 + case RDevUsbcScClient::EControlDeviceCaps:
1.1796 + __KTRACE_OPT(KUSB, Kern::Printf("EControlDeviceCaps"));
1.1797 + r = Kern::ThreadDesWrite(iClient, a1, pZeroDesc, 0, 0, iClient);
1.1798 + if (r != KErrNone)
1.1799 + PanicClientThread(r);
1.1800 + iController->DeviceCaps(this, *((TDes8*) a1));
1.1801 + break;
1.1802 +
1.1803 + case RDevUsbcScClient::EControlSendEp0StatusPacket:
1.1804 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSendEp0StatusPacket"));
1.1805 + iController->SendEp0StatusPacket(this);
1.1806 + break;
1.1807 +
1.1808 + case RDevUsbcScClient::EControlHaltEndpoint:
1.1809 + __KTRACE_OPT(KUSB, Kern::Printf("EControlHaltEndpoint"));
1.1810 + if (iValidInterface && ValidEndpoint((TInt) a1))
1.1811 + {
1.1812 + r = iController->HaltEndpoint(this, iEndpoint[(TInt)a1]->RealEpNumber());
1.1813 + }
1.1814 + else
1.1815 + {
1.1816 + if (iDeviceState != EUsbcDeviceStateConfigured)
1.1817 + r = KErrUsbDeviceNotConfigured;
1.1818 + else
1.1819 + r = KErrUsbInterfaceNotReady;
1.1820 + }
1.1821 + break;
1.1822 +
1.1823 + case RDevUsbcScClient::EControlClearHaltEndpoint:
1.1824 + __KTRACE_OPT(KUSB, Kern::Printf("EControlClearHaltEndpoint"));
1.1825 + if (iValidInterface && ValidEndpoint((TInt) a1))
1.1826 + {
1.1827 + r = iController->ClearHaltEndpoint(this, iEndpoint[(TInt)a1]->RealEpNumber());
1.1828 + }
1.1829 + else
1.1830 + {
1.1831 + if (iDeviceState != EUsbcDeviceStateConfigured)
1.1832 + r = KErrUsbDeviceNotConfigured;
1.1833 + else
1.1834 + r = KErrUsbInterfaceNotReady;
1.1835 + }
1.1836 + break;
1.1837 +
1.1838 + case RDevUsbcScClient::EControlDumpRegisters:
1.1839 + __KTRACE_OPT(KUSB, Kern::Printf("EControlDumpRegisters"));
1.1840 + iController->DumpRegisters();
1.1841 + break;
1.1842 +
1.1843 + case RDevUsbcScClient::EControlReleaseDeviceControl:
1.1844 + __KTRACE_OPT(KUSB, Kern::Printf("EControlReleaseDeviceControl"));
1.1845 + iController->ReleaseDeviceControl(this);
1.1846 + iOwnsDeviceControl = EFalse;
1.1847 + break;
1.1848 +
1.1849 + case RDevUsbcScClient::EControlEndpointZeroMaxPacketSizes:
1.1850 + __KTRACE_OPT(KUSB, Kern::Printf("EControlEndpointZeroMaxPacketSizes"));
1.1851 + r = iController->EndpointZeroMaxPacketSizes();
1.1852 + break;
1.1853 +
1.1854 + case RDevUsbcScClient::EControlSetEndpointZeroMaxPacketSize:
1.1855 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetEndpointZeroMaxPacketSize"));
1.1856 + r = iController->SetEndpointZeroMaxPacketSize(reinterpret_cast<TInt>(a1));
1.1857 + break;
1.1858 +
1.1859 + case RDevUsbcScClient::EControlGetEndpointZeroMaxPacketSize:
1.1860 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetEndpointZeroMaxPacketSize"));
1.1861 + r = iController->Ep0PacketSize();
1.1862 + break;
1.1863 +
1.1864 + case RDevUsbcScClient::EControlGetDeviceDescriptor:
1.1865 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetDeviceDescriptor"));
1.1866 + r = Kern::ThreadDesWrite(iClient, a1, pZeroDesc, 0, 0, iClient);
1.1867 + if (r != KErrNone)
1.1868 + PanicClientThread(r);
1.1869 + r = iController->GetDeviceDescriptor(iClient, *((TDes8*) a1));
1.1870 + break;
1.1871 +
1.1872 + case RDevUsbcScClient::EControlSetDeviceDescriptor:
1.1873 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetDeviceDescriptor"));
1.1874 + BREAK_IF_NULL_ARG(a1,r);
1.1875 + r = iController->SetDeviceDescriptor(iClient, *((TDes8*) a1));
1.1876 + break;
1.1877 +
1.1878 + case RDevUsbcScClient::EControlGetDeviceDescriptorSize:
1.1879 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetDeviceDescriptorSize"));
1.1880 + BREAK_IF_NULL_ARG(a1,r);
1.1881 + r = iController->GetDeviceDescriptorSize(iClient, *((TDes8*) a1));
1.1882 + break;
1.1883 +
1.1884 + case RDevUsbcScClient::EControlGetConfigurationDescriptor:
1.1885 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetConfigurationDescriptor"));
1.1886 + r = Kern::ThreadDesWrite(iClient, a1, pZeroDesc, 0 , 0, iClient);
1.1887 + if (r != KErrNone)
1.1888 + PanicClientThread(r);
1.1889 + r = iController->GetConfigurationDescriptor(iClient, *((TDes8*) a1));
1.1890 + break;
1.1891 +
1.1892 + case RDevUsbcScClient::EControlGetConfigurationDescriptorSize:
1.1893 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetConfigurationDescriptorSize"));
1.1894 + if (a1 != NULL)
1.1895 + {
1.1896 + r = iController->GetConfigurationDescriptorSize(iClient, *((TDes8*) a1));
1.1897 + }
1.1898 + else
1.1899 + r = KErrArgument;
1.1900 + break;
1.1901 +
1.1902 + case RDevUsbcScClient::EControlSetConfigurationDescriptor:
1.1903 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetConfigurationDescriptor"));
1.1904 + r = iController->SetConfigurationDescriptor(iClient, *((TDes8*) a1));
1.1905 + break;
1.1906 +
1.1907 + case RDevUsbcScClient::EControlGetInterfaceDescriptor:
1.1908 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetInterfaceDescriptor"));
1.1909 + r = iController->GetInterfaceDescriptor(iClient, this, (TInt) a1, *((TDes8*) a2));
1.1910 + break;
1.1911 +
1.1912 + case RDevUsbcScClient::EControlGetInterfaceDescriptorSize:
1.1913 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetInterfaceDescriptorSize"));
1.1914 + r = iController->GetInterfaceDescriptorSize(iClient, this, (TInt) a1, *(TDes8*) a2);
1.1915 + break;
1.1916 +
1.1917 + case RDevUsbcScClient::EControlSetInterfaceDescriptor:
1.1918 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetInterfaceDescriptor"));
1.1919 + r = iController->SetInterfaceDescriptor(iClient, this, (TInt) a1, *((TDes8*) a2));
1.1920 + break;
1.1921 +
1.1922 + case RDevUsbcScClient::EControlGetEndpointDescriptor:
1.1923 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetEndpointDescriptor"));
1.1924 + r = Kern::ThreadRawRead(iClient, a1, &epInfo, sizeof(epInfo));
1.1925 + if (r != KErrNone)
1.1926 + PanicClientThread(r);
1.1927 + ep = EpFromAlternateSetting(epInfo.iSetting, epInfo.iEndpoint);
1.1928 + r = (ep<0)?ep:iController->GetEndpointDescriptor(iClient, this, epInfo.iSetting,
1.1929 + ep, *(TDes8*) epInfo.iArg);
1.1930 + break;
1.1931 +
1.1932 + case RDevUsbcScClient::EControlGetEndpointDescriptorSize:
1.1933 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetEndpointDescriptorSize"));
1.1934 + r = Kern::ThreadRawRead(iClient, a1, &epInfo, sizeof(epInfo));
1.1935 + if (r != KErrNone)
1.1936 + PanicClientThread(r);
1.1937 + ep = EpFromAlternateSetting(epInfo.iSetting, epInfo.iEndpoint);
1.1938 + r = iController->GetEndpointDescriptorSize(iClient, this, epInfo.iSetting,
1.1939 + ep, *(TDes8*) epInfo.iArg);
1.1940 + break;
1.1941 +
1.1942 + case RDevUsbcScClient::EControlSetEndpointDescriptor:
1.1943 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetEndpointDescriptor"));
1.1944 + r = Kern::ThreadRawRead(iClient, a1, &epInfo, sizeof(epInfo));
1.1945 + if (r != KErrNone)
1.1946 + PanicClientThread(r);
1.1947 + ep = EpFromAlternateSetting(epInfo.iSetting, epInfo.iEndpoint);
1.1948 + r = iController->SetEndpointDescriptor(iClient, this, epInfo.iSetting,
1.1949 + ep, *(TDes8*)epInfo.iArg);
1.1950 + break;
1.1951 +
1.1952 + case RDevUsbcScClient::EControlGetDeviceQualifierDescriptor:
1.1953 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetDeviceQualifierDescriptor"));
1.1954 + r = Kern::ThreadDesWrite(iClient, a1, pZeroDesc, 0, 0, iClient);
1.1955 + if (r != KErrNone)
1.1956 + PanicClientThread(r);
1.1957 + r = iController->GetDeviceQualifierDescriptor(iClient, *((TDes8*) a1));
1.1958 + break;
1.1959 +
1.1960 + case RDevUsbcScClient::EControlSetDeviceQualifierDescriptor:
1.1961 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetDeviceQualifierDescriptor"));
1.1962 + BREAK_IF_NULL_ARG(a1,r);
1.1963 + r = iController->SetDeviceQualifierDescriptor(iClient, *((TDes8*) a1));
1.1964 + break;
1.1965 +
1.1966 + case RDevUsbcScClient::EControlGetOtherSpeedConfigurationDescriptor:
1.1967 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetOtherSpeedConfigurationDescriptor"));
1.1968 + r = Kern::ThreadDesWrite(iClient, a1, pZeroDesc, 0 , 0, iClient);
1.1969 + if (r != KErrNone)
1.1970 + PanicClientThread(r);
1.1971 + r = iController->GetOtherSpeedConfigurationDescriptor(iClient, *((TDes8*) a1));
1.1972 + break;
1.1973 +
1.1974 + case RDevUsbcScClient::EControlSetOtherSpeedConfigurationDescriptor:
1.1975 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetOtherSpeedConfigurationDescriptor"));
1.1976 + r = iController->SetOtherSpeedConfigurationDescriptor(iClient, *((TDes8*) a1));
1.1977 + break;
1.1978 +
1.1979 +
1.1980 + case RDevUsbcScClient::EControlGetCSInterfaceDescriptor:
1.1981 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetCSInterfaceDescriptor"));
1.1982 + r = iController->GetCSInterfaceDescriptorBlock(iClient, this, (TInt) a1, *((TDes8*) a2));
1.1983 + break;
1.1984 +
1.1985 + case RDevUsbcScClient::EControlGetCSInterfaceDescriptorSize:
1.1986 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetCSInterfaceDescriptorSize"));
1.1987 + r = iController->GetCSInterfaceDescriptorBlockSize(iClient, this, (TInt) a1, *(TDes8*) a2);
1.1988 + break;
1.1989 +
1.1990 + case RDevUsbcScClient::EControlGetCSEndpointDescriptor:
1.1991 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetCSEndpointDescriptor"));
1.1992 + r = Kern::ThreadRawRead(iClient, a1, &epInfo, sizeof(epInfo));
1.1993 + if (r != KErrNone)
1.1994 + PanicClientThread(r);
1.1995 + ep = EpFromAlternateSetting(epInfo.iSetting, epInfo.iEndpoint);
1.1996 + r = iController->GetCSEndpointDescriptorBlock(iClient, this, epInfo.iSetting,
1.1997 + ep, *(TDes8*) epInfo.iArg);
1.1998 + break;
1.1999 +
1.2000 + case RDevUsbcScClient::EControlGetCSEndpointDescriptorSize:
1.2001 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetCSEndpointDescriptorSize"));
1.2002 + r = Kern::ThreadRawRead(iClient, a1, &epInfo, sizeof(epInfo));
1.2003 + if (r != KErrNone)
1.2004 + PanicClientThread(r);
1.2005 + ep = EpFromAlternateSetting(epInfo.iSetting, epInfo.iEndpoint);
1.2006 + r = iController->GetCSEndpointDescriptorBlockSize(iClient, this, epInfo.iSetting,
1.2007 + ep, *(TDes8*) epInfo.iArg);
1.2008 + break;
1.2009 +
1.2010 + case RDevUsbcScClient::EControlSignalRemoteWakeup:
1.2011 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSignalRemoteWakeup"));
1.2012 + r = iController->SignalRemoteWakeup();
1.2013 + break;
1.2014 +
1.2015 + case RDevUsbcScClient::EControlDeviceDisconnectFromHost:
1.2016 + __KTRACE_OPT(KUSB, Kern::Printf("EControlDeviceDisconnectFromHost"));
1.2017 + r = iController->UsbDisconnect();
1.2018 + break;
1.2019 +
1.2020 + case RDevUsbcScClient::EControlDeviceConnectToHost:
1.2021 + __KTRACE_OPT(KUSB, Kern::Printf("EControlDeviceConnectToHost"));
1.2022 + r = iController->UsbConnect();
1.2023 + break;
1.2024 +
1.2025 + case RDevUsbcScClient::EControlDevicePowerUpUdc:
1.2026 + __KTRACE_OPT(KUSB, Kern::Printf("EControlDevicePowerUpUdc"));
1.2027 + r = iController->PowerUpUdc();
1.2028 + break;
1.2029 +
1.2030 + case RDevUsbcScClient::EControlSetDeviceControl:
1.2031 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetDeviceControl"));
1.2032 + r = iController->SetDeviceControl(this);
1.2033 + if (r == KErrNone)
1.2034 + {
1.2035 + iOwnsDeviceControl = ETrue;
1.2036 + if (iEp0Endpoint == NULL)
1.2037 + {
1.2038 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetDeviceControl"));
1.2039 + r = SetupEp0();
1.2040 + if (r != KErrNone)
1.2041 + {
1.2042 + __KTRACE_OPT(KPANIC, Kern::Printf(" Error: SetupEp0() failed"));
1.2043 + iController->ReleaseDeviceControl(this);
1.2044 + iOwnsDeviceControl=EFalse;
1.2045 + DestroyEp0();
1.2046 + }
1.2047 + }
1.2048 + }
1.2049 + else
1.2050 + r = KErrInUse;
1.2051 + break;
1.2052 +
1.2053 + case RDevUsbcScClient::EControlCurrentlyUsingHighSpeed:
1.2054 + __KTRACE_OPT(KUSB, Kern::Printf("EControlCurrentlyUsingHighSpeed"));
1.2055 + r = iController->CurrentlyUsingHighSpeed();
1.2056 + break;
1.2057 +
1.2058 + case RDevUsbcScClient::EControlSetInterface:
1.2059 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetInterface"));
1.2060 + r = Kern::ThreadRawRead(iClient, a2, &ifcInfo, sizeof(ifcInfo));
1.2061 + if (r != KErrNone)
1.2062 + PanicClientThread(r);
1.2063 + r = SetInterface((TInt) a1, &ifcInfo);
1.2064 + break;
1.2065 +
1.2066 + case RDevUsbcScClient::EControlReleaseInterface:
1.2067 + __KTRACE_OPT(KUSB, Kern::Printf("EControlReleaseInterface"));
1.2068 + if (!iRealizeCalled)
1.2069 + {
1.2070 + r = iController->ReleaseInterface(this, (TInt) a1);
1.2071 + if (r == KErrNone)
1.2072 + {
1.2073 + DestroyInterface((TUint) a1);
1.2074 + }
1.2075 + else
1.2076 + {
1.2077 + __KTRACE_OPT(KPANIC, Kern::Printf(" Error in PIL: LDD interface won't be released."));
1.2078 + }
1.2079 + }
1.2080 + else
1.2081 + r = KErrUsbAlreadyRealized;
1.2082 + break;
1.2083 +
1.2084 + case RDevUsbcScClient::EControlSetCSInterfaceDescriptor:
1.2085 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetCSInterfaceDescriptor"));
1.2086 + r = Kern::ThreadRawRead(iClient, a1, &desInfo, sizeof(desInfo));
1.2087 + if (r != KErrNone)
1.2088 + PanicClientThread(r);
1.2089 + r = iController->SetCSInterfaceDescriptorBlock(iClient, this, desInfo.iSetting,
1.2090 + *reinterpret_cast<const TDes8*>(desInfo.iArg),
1.2091 + desInfo.iSize);
1.2092 + break;
1.2093 +
1.2094 + case RDevUsbcScClient::EControlSetCSEndpointDescriptor:
1.2095 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetCSEndpointDescriptor"));
1.2096 + r = Kern::ThreadRawRead(iClient, a1, &desInfo, sizeof(desInfo));
1.2097 + if (r != KErrNone)
1.2098 + PanicClientThread(r);
1.2099 + ep = EpFromAlternateSetting(desInfo.iSetting, desInfo.iEndpoint);
1.2100 + r = iController->SetCSEndpointDescriptorBlock(iClient, this, desInfo.iSetting, ep,
1.2101 + *reinterpret_cast<const TDes8*>(desInfo.iArg),
1.2102 + desInfo.iSize);
1.2103 + break;
1.2104 +
1.2105 + case RDevUsbcScClient::EControlGetStringDescriptorLangId:
1.2106 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetStringDescriptorLangId"));
1.2107 + r = iController->GetStringDescriptorLangId(iClient, *((TDes8*) a1));
1.2108 + break;
1.2109 +
1.2110 + case RDevUsbcScClient::EControlSetStringDescriptorLangId:
1.2111 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetStringDescriptorLangId"));
1.2112 + r = iController->SetStringDescriptorLangId(reinterpret_cast<TUint>(a1));
1.2113 + break;
1.2114 +
1.2115 + case RDevUsbcScClient::EControlGetManufacturerStringDescriptor:
1.2116 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetManufacturerStringDescriptor"));
1.2117 + r = iController->GetManufacturerStringDescriptor(iClient, *((TPtr8*) a1));
1.2118 + break;
1.2119 +
1.2120 + case RDevUsbcScClient::EControlSetManufacturerStringDescriptor:
1.2121 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetManufacturerStringDescriptor"));
1.2122 + r = iController->SetManufacturerStringDescriptor(iClient, *((TPtr8*) a1));
1.2123 + break;
1.2124 +
1.2125 + case RDevUsbcScClient::EControlRemoveManufacturerStringDescriptor:
1.2126 + __KTRACE_OPT(KUSB, Kern::Printf("EControlRemoveManufacturerStringDescriptor"));
1.2127 + r = iController->RemoveManufacturerStringDescriptor();
1.2128 + break;
1.2129 +
1.2130 + case RDevUsbcScClient::EControlGetProductStringDescriptor:
1.2131 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetProductStringDescriptor"));
1.2132 + r = iController->GetProductStringDescriptor(iClient, *((TPtr8*) a1));
1.2133 + break;
1.2134 +
1.2135 + case RDevUsbcScClient::EControlSetProductStringDescriptor:
1.2136 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetProductStringDescriptor"));
1.2137 + r = iController->SetProductStringDescriptor(iClient, *((TPtr8*) a1));
1.2138 + break;
1.2139 +
1.2140 + case RDevUsbcScClient::EControlRemoveProductStringDescriptor:
1.2141 + __KTRACE_OPT(KUSB, Kern::Printf("EControlRemoveProductStringDescriptor"));
1.2142 + r = iController->RemoveProductStringDescriptor();
1.2143 + break;
1.2144 +
1.2145 + case RDevUsbcScClient::EControlGetSerialNumberStringDescriptor:
1.2146 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetSerialNumberStringDescriptor"));
1.2147 + r = iController->GetSerialNumberStringDescriptor(iClient, *((TPtr8*) a1));
1.2148 + break;
1.2149 +
1.2150 + case RDevUsbcScClient::EControlSetSerialNumberStringDescriptor:
1.2151 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetSerialNumberStringDescriptor"));
1.2152 + r = iController->SetSerialNumberStringDescriptor(iClient, *((TPtr8*) a1));
1.2153 + break;
1.2154 +
1.2155 + case RDevUsbcScClient::EControlRemoveSerialNumberStringDescriptor:
1.2156 + __KTRACE_OPT(KUSB, Kern::Printf("EControlRemoveSerialNumberStringDescriptor"));
1.2157 + r = iController->RemoveSerialNumberStringDescriptor();
1.2158 + break;
1.2159 +
1.2160 + case RDevUsbcScClient::EControlGetConfigurationStringDescriptor:
1.2161 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetConfigurationStringDescriptor"));
1.2162 + r = iController->GetConfigurationStringDescriptor(iClient, *((TPtr8*) a1));
1.2163 + break;
1.2164 +
1.2165 + case RDevUsbcScClient::EControlSetConfigurationStringDescriptor:
1.2166 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetConfigurationStringDescriptor"));
1.2167 + r = iController->SetConfigurationStringDescriptor(iClient, *((TPtr8*) a1));
1.2168 + break;
1.2169 +
1.2170 + case RDevUsbcScClient::EControlRemoveConfigurationStringDescriptor:
1.2171 + __KTRACE_OPT(KUSB, Kern::Printf("EControlRemoveConfigurationStringDescriptor"));
1.2172 + r = iController->RemoveConfigurationStringDescriptor();
1.2173 + break;
1.2174 +
1.2175 + case RDevUsbcScClient::EControlGetStringDescriptor:
1.2176 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetStringDescriptor"));
1.2177 + r = iController->GetStringDescriptor(iClient, (TUint8) (TInt) a1, *((TPtr8*) a2));
1.2178 + break;
1.2179 +
1.2180 + case RDevUsbcScClient::EControlSetStringDescriptor:
1.2181 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetStringDescriptor"));
1.2182 + r = iController->SetStringDescriptor(iClient, (TUint8) (TInt) a1, *((TPtr8*) a2));
1.2183 + break;
1.2184 +
1.2185 + case RDevUsbcScClient::EControlRemoveStringDescriptor:
1.2186 + __KTRACE_OPT(KUSB, Kern::Printf("EControlRemoveStringDescriptor"));
1.2187 + r = iController->RemoveStringDescriptor((TUint8) (TInt) a1);
1.2188 + break;
1.2189 +
1.2190 + case RDevUsbcScClient::EControlAllocateEndpointResource:
1.2191 + {
1.2192 + __KTRACE_OPT(KUSB, Kern::Printf("EControlAllocateEndpointResource"));
1.2193 + epRes = (TUsbcEndpointResource)((TInt) a2);
1.2194 + TInt realEp=-1;
1.2195 + r = GetRealEpForEpResource((TInt)a1, realEp);
1.2196 + if (r==KErrNone)
1.2197 + r = iController->AllocateEndpointResource(this, realEp, epRes);
1.2198 + break;
1.2199 + }
1.2200 + case RDevUsbcScClient::EControlDeAllocateEndpointResource:
1.2201 + {
1.2202 + __KTRACE_OPT(KUSB, Kern::Printf("EControlDeAllocateEndpointResource"));
1.2203 + epRes = (TUsbcEndpointResource)((TInt) a2);
1.2204 + TInt realEp=-1;
1.2205 + r = GetRealEpForEpResource((TInt)a1, realEp);
1.2206 + if (r==KErrNone)
1.2207 + r = iController->DeAllocateEndpointResource(this, realEp, epRes);
1.2208 + break;
1.2209 + }
1.2210 + case RDevUsbcScClient::EControlQueryEndpointResourceUse:
1.2211 + {
1.2212 + __KTRACE_OPT(KUSB, Kern::Printf("EControlQueryEndpointResourceUse"));
1.2213 + epRes = (TUsbcEndpointResource)((TInt) a2);
1.2214 + TInt realEp=-1;
1.2215 + r = GetRealEpForEpResource((TInt)a1, realEp);
1.2216 + if (r==KErrNone)
1.2217 + r = iController->QueryEndpointResource(this, realEp, epRes);
1.2218 + break;
1.2219 + }
1.2220 + case RDevUsbcScClient::EControlSetOtgDescriptor:
1.2221 + __KTRACE_OPT(KUSB, Kern::Printf("EControlSetOtgDescriptor"));
1.2222 + r = iController->SetOtgDescriptor(iClient, *((const TDesC8*)a1));
1.2223 + break;
1.2224 +
1.2225 + case RDevUsbcScClient::EControlGetOtgDescriptor:
1.2226 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetOtgDescriptor"));
1.2227 + r = iController->GetOtgDescriptor(iClient, *((TDes8*)a1));
1.2228 + break;
1.2229 +
1.2230 + case RDevUsbcScClient::EControlGetOtgFeatures:
1.2231 + __KTRACE_OPT(KUSB, Kern::Printf("EControlGetOtgFeatures"));
1.2232 + r = iController->GetOtgFeatures(iClient, *((TDes8*)a1));
1.2233 + break;
1.2234 +
1.2235 + case RDevUsbcScClient::EControlRealizeInterface:
1.2236 + __KTRACE_OPT(KUSB, Kern::Printf("EControlRealizeInterface"));
1.2237 + r = RealizeInterface();
1.2238 + break;
1.2239 + case RDevUsbcScClient::EControlStartNextInAlternateSetting:
1.2240 + __KTRACE_OPT(KUSB, Kern::Printf("EControlStartNextInAlternateSetting"));
1.2241 + r = StartNextInAlternateSetting();
1.2242 + break;
1.2243 +
1.2244 + default:
1.2245 + __KTRACE_OPT(KUSB, Kern::Printf("Function code not supported"));
1.2246 + r = KErrNotSupported;
1.2247 + }
1.2248 +
1.2249 + return r;
1.2250 + }
1.2251 +// end DoControl.
1.2252 +
1.2253 +
1.2254 +
1.2255 +//
1.2256 +// Overriding DObject virtual
1.2257 +//
1.2258 +TInt DLddUsbcScChannel::RequestUserHandle(DThread* aThread, TOwnerType /*aType*/)
1.2259 + {
1.2260 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::RequestUserHandle"));
1.2261 + // The USB client LDD is not designed for a channel to be shared between
1.2262 + // threads. It saves a pointer to the current thread when it is opened, and
1.2263 + // uses this to complete any asynchronous requests.
1.2264 + // It is therefore not acceptable for the handle to be duplicated and used
1.2265 + // by another thread:
1.2266 + if (aThread == iClient)
1.2267 + {
1.2268 + return KErrNone;
1.2269 + }
1.2270 + else
1.2271 + {
1.2272 + return KErrAccessDenied;
1.2273 + }
1.2274 + }
1.2275 +
1.2276 +inline TInt DLddUsbcScChannel::GetRealEpForEpResource(TInt aEndpoint, TInt& aRealEp)
1.2277 + {
1.2278 + if (iEndpoint) // if we've enumerated at least once, proceed as normal.
1.2279 + {
1.2280 + if (aEndpoint <= iNumberOfEndpoints && aEndpoint >= 0)
1.2281 + {
1.2282 + aRealEp=iEndpoint[aEndpoint]->RealEpNumber();
1.2283 + return KErrNone;
1.2284 + }
1.2285 + }
1.2286 + else // Assume alternate setting 0.
1.2287 + {
1.2288 + if (iAlternateSettingList) // Check it has been set up.
1.2289 + {
1.2290 + TUsbcScAlternateSetting* alt = iAlternateSettingList->iHead;
1.2291 + if (alt && (aEndpoint <= alt->iNumberOfEndpoints && aEndpoint >= 0))
1.2292 + {
1.2293 + aRealEp= alt->iEndpoint[aEndpoint]->RealEpNumber();
1.2294 + return KErrNone;
1.2295 + }
1.2296 + }
1.2297 + }
1.2298 + return KErrUsbDeviceNotConfigured;
1.2299 + }
1.2300 +
1.2301 +
1.2302 +TUsbcEndpointInfoArray::TUsbcEndpointInfoArray(const TUsbcScEndpointInfo* aData, TInt aDataSize)
1.2303 + {
1.2304 + iType = EUsbcScEndpointInfo;
1.2305 + iData = (TUint8*) aData;
1.2306 + if (aDataSize>0)
1.2307 + iDataSize = aDataSize;
1.2308 + else
1.2309 + iDataSize = sizeof(TUsbcScEndpointInfo);
1.2310 + }
1.2311 +
1.2312 +
1.2313 +//
1.2314 +// SetInterface
1.2315 +//
1.2316 +// Called from DoControl. Sets the configuration of a given Interface. // Needs changing
1.2317 +// All interfaces must be configured before one can be used.
1.2318 +//
1.2319 +
1.2320 +TInt DLddUsbcScChannel::SetInterface(TInt aInterfaceNumber, TUsbcScIfcInfo* aInfoBuf)
1.2321 + {
1.2322 + // Copy interface description.
1.2323 +
1.2324 + if (iRealizeCalled)
1.2325 + return KErrUsbAlreadyRealized;
1.2326 +
1.2327 + if (!iAlternateSettingList)
1.2328 + {
1.2329 + iAlternateSettingList = new TUsbcScAlternateSettingList;
1.2330 + if (iAlternateSettingList==NULL)
1.2331 + {
1.2332 + return KErrNoMemory;
1.2333 + }
1.2334 + }
1.2335 +
1.2336 + // Read descriptor in
1.2337 + TUsbcScInterfaceInfoBuf ifc_info_buf;
1.2338 + TUsbcScInterfaceInfoBuf* const ifc_info_buf_ptr = aInfoBuf->iInterfaceData;
1.2339 + const TInt srcLen = Kern::ThreadGetDesLength(iClient, ifc_info_buf_ptr);
1.2340 +
1.2341 + __KTRACE_OPT(KUSB, Kern::Printf("SetInterface srcLen = %d len = %d", srcLen, ifc_info_buf.Length() ));
1.2342 +
1.2343 + if (srcLen < ifc_info_buf.Length())
1.2344 + {
1.2345 + __KTRACE_OPT(KUSB, Kern::Printf("SetInterface can't copy"));
1.2346 + PanicClientThread(EDesOverflow);
1.2347 + }
1.2348 +
1.2349 + TInt r = Kern::ThreadDesRead(iClient, ifc_info_buf_ptr, ifc_info_buf, 0, KChunkShiftBy0);
1.2350 + if (r != KErrNone)
1.2351 + {
1.2352 + __KTRACE_OPT(KUSB, Kern::Printf("SetInterface Copy failed reason=%d", r));
1.2353 + PanicClientThread(r);
1.2354 + }
1.2355 +
1.2356 + // The list of endpoints is within the interface info.
1.2357 + TUsbcScEndpointInfo* pEndpointData = ifc_info_buf().iEndpointData;
1.2358 +
1.2359 + const TInt num_endpoints = ifc_info_buf().iTotalEndpointsUsed;
1.2360 + __KTRACE_OPT(KUSB, Kern::Printf("SetInterface num_endpoints=%d", num_endpoints));
1.2361 + if (num_endpoints>KMaxEndpointsPerClient)
1.2362 + return KErrOverflow;
1.2363 +
1.2364 +
1.2365 + // Initialize real ep numbers list.
1.2366 + TInt i;
1.2367 + TInt real_ep_numbers[KMaxEndpointsPerClient+1]; // range 1->KMaxEndpointsPerClient (0 not used)
1.2368 + for (i=0; i<=KMaxEndpointsPerClient; i++)
1.2369 + real_ep_numbers[i] = -1;
1.2370 +
1.2371 +
1.2372 + // See if PIL will accept this interface
1.2373 + __KTRACE_OPT(KUSB, Kern::Printf("SetInterface Calling controller"));
1.2374 + TUsbcEndpointInfoArray endpointData = TUsbcEndpointInfoArray(ifc_info_buf().iEndpointData);
1.2375 +
1.2376 + r = iController->SetInterface(this,
1.2377 + iClient,
1.2378 + aInterfaceNumber,
1.2379 + ifc_info_buf().iClass,
1.2380 + aInfoBuf->iString,
1.2381 + (TInt) ifc_info_buf().iTotalEndpointsUsed,
1.2382 + endpointData,
1.2383 + &real_ep_numbers[0],
1.2384 + ifc_info_buf().iFeatureWord);
1.2385 +
1.2386 + __KTRACE_OPT(KUSB, Kern::Printf("SetInterface controller returned %d", r));
1.2387 + if (r != KErrNone)
1.2388 + {
1.2389 + __KTRACE_OPT(KPANIC, Kern::Printf("SetInterface failed reason=%d", r));
1.2390 + return r;
1.2391 + }
1.2392 +
1.2393 + // create alternate setting record
1.2394 + TUsbcScAlternateSetting* alternateSettingListRec = new TUsbcScAlternateSetting;
1.2395 + if (!alternateSettingListRec)
1.2396 + {
1.2397 + r = KErrNoMemory;
1.2398 + goto ReleaseInterface;
1.2399 + }
1.2400 +
1.2401 + // other endpoints
1.2402 + for (TInt i = 1; i <= num_endpoints; i++, pEndpointData++)
1.2403 + {
1.2404 + __KTRACE_OPT(KUSB, Kern::Printf("SetInterface for ep=%d", i));
1.2405 +
1.2406 + if ((pEndpointData->iType==KUsbEpTypeControl)
1.2407 + || (pEndpointData->iDir != KUsbEpDirIn && pEndpointData->iDir != KUsbEpDirOut)
1.2408 + || (pEndpointData->iSize > 1024) || (pEndpointData->iSize<=0))
1.2409 + {
1.2410 + r = KErrUsbBadEndpoint;
1.2411 + goto CleanUp;
1.2412 + }
1.2413 + // Check data
1.2414 +
1.2415 + TUint* bufferSize = &(pEndpointData->iBufferSize);
1.2416 + if (*bufferSize==0)
1.2417 + *bufferSize= KUsbcScDefaultBufferSize;
1.2418 +
1.2419 + TInt pageSize = Kern::RoundToPageSize(1);
1.2420 + // Round buffersize up to nearest pagesize.
1.2421 + *bufferSize = (*bufferSize+pageSize-1) & ~(pageSize-1);
1.2422 +
1.2423 + TUsbcScEndpoint* ep = new TUsbcScEndpoint(this, iController, pEndpointData, i);
1.2424 + alternateSettingListRec->iEndpoint[i] = ep;
1.2425 + if (!ep)
1.2426 + {
1.2427 + r = KErrNoMemory;
1.2428 + goto CleanUp;
1.2429 + }
1.2430 + if (ep->Construct() != KErrNone)
1.2431 + {
1.2432 + r = KErrNoMemory;
1.2433 + goto CleanUp;
1.2434 + }
1.2435 +
1.2436 +
1.2437 + __KTRACE_OPT(KUSB, Kern::Printf("SetInterface for ep=%d rec=0x%08x ep==0x%08x",
1.2438 + i, alternateSettingListRec, ep));
1.2439 + }
1.2440 +
1.2441 + if (iAlternateSettingList->iHead)
1.2442 + {
1.2443 + iAlternateSettingList->iTail->iNext = alternateSettingListRec;
1.2444 + alternateSettingListRec->iPrevious = iAlternateSettingList->iTail;
1.2445 + iAlternateSettingList->iTail = alternateSettingListRec;
1.2446 + }
1.2447 + else
1.2448 + {
1.2449 + iAlternateSettingList->iHead = alternateSettingListRec;
1.2450 + iAlternateSettingList->iTail = alternateSettingListRec;
1.2451 + }
1.2452 +
1.2453 + alternateSettingListRec->iNext = NULL;
1.2454 + alternateSettingListRec->iSetting = aInterfaceNumber;
1.2455 + alternateSettingListRec->iNumberOfEndpoints = num_endpoints;
1.2456 +
1.2457 + // Record the 'real' endpoint number used by the PDD in both the Ep and
1.2458 + // the Req callback:
1.2459 + for (TInt i = 1; i <= num_endpoints; i++)
1.2460 + {
1.2461 + alternateSettingListRec->iEndpoint[i]->SetRealEpNumber(real_ep_numbers[i]);
1.2462 + }
1.2463 +
1.2464 + return KErrNone;
1.2465 +
1.2466 + CleanUp:
1.2467 + delete alternateSettingListRec;
1.2468 + //Fall Through
1.2469 +
1.2470 + ReleaseInterface:
1.2471 +#if _DEBUG
1.2472 + TInt r1 = iController->ReleaseInterface(this, aInterfaceNumber);
1.2473 + __KTRACE_OPT(KUSB, Kern::Printf("Release Interface controller returned %d", r1));
1.2474 +#else
1.2475 + (void) iController->ReleaseInterface(this, aInterfaceNumber);
1.2476 +#endif
1.2477 + return r;
1.2478 + }
1.2479 +// end SetInterface
1.2480 +
1.2481 +
1.2482 +
1.2483 +#ifdef _DEBUG
1.2484 +void RealizeInterface_Dump(TUint* aMem)
1.2485 + {
1.2486 + TUint *mem= NULL;
1.2487 + __KTRACE_OPT(KUSB, mem = aMem);
1.2488 + if (mem!=NULL)
1.2489 + {
1.2490 + TInt j;
1.2491 + Kern::Printf("Final chunk header State:");
1.2492 + for (j=0; j<30; j+=8)
1.2493 + Kern::Printf("%2x: %8x %8x %8x %8x %8x %8x %8x %8x", j, mem[j], mem[j+1], mem[j+2], mem[j+3], mem[j+4], mem[j+5], mem[j+6], mem[j+7] );
1.2494 + };
1.2495 + };
1.2496 +#endif
1.2497 +
1.2498 +
1.2499 +/*
1.2500 +Chunk Created, filled with structure, and passed back to userside.
1.2501 +*/
1.2502 +TInt DLddUsbcScChannel::RealizeInterface(void)
1.2503 +{
1.2504 + if (iRealizeCalled)
1.2505 + return KErrUsbAlreadyRealized;
1.2506 +
1.2507 + TRealizeInfo bufInfo;
1.2508 +
1.2509 + TInt errorOrChunk = KErrNone;
1.2510 + TBool openedCS = EFalse;
1.2511 + TInt offset =0;
1.2512 +
1.2513 + // Start by creating a temporary scratchpad for endpoint calculations.
1.2514 + bufInfo.Init(iAlternateSettingList);
1.2515 +
1.2516 + // Fill in our scratchpad with all the required endpoints, sorting them
1.2517 + // in order of size required.
1.2518 + errorOrChunk = bufInfo.CopyAndSortEndpoints();
1.2519 + if (errorOrChunk!=KErrNone)
1.2520 + {
1.2521 + goto realize_end;
1.2522 + }
1.2523 +
1.2524 + // We now have endpoints sorted in order of size for each altsetting.
1.2525 + // The very largest for each endpoint will share the first buffer, and all of
1.2526 + // the second largest ends points will share the second buffer, and so on.
1.2527 + // Find the highest buffer size for each row, to determine the buffer size,
1.2528 + // and keep a total of total space needed.
1.2529 + bufInfo.CalcBuffSizes();
1.2530 +
1.2531 + // We now have the max sizes wanted for each endpoint buffer.
1.2532 + // we also have to total size for all endpoints.
1.2533 + // and finally we have the total number of buffers.
1.2534 +
1.2535 + // Add on size for header, then add on size for guard pages.
1.2536 + bufInfo.iTotalSize+= KHeaderSize + bufInfo.iTotalBuffers * KGuardSize;
1.2537 +
1.2538 + // Create shared Chunk . . . . . . . . . .
1.2539 + if (iChunkInfo==NULL)
1.2540 + {
1.2541 + NKern::ThreadEnterCS();
1.2542 + openedCS = ETrue;
1.2543 + errorOrChunk = TUsbcScChunkInfo::New(iChunkInfo, bufInfo.iTotalSize, (DLogicalDevice*) iDevice);
1.2544 + if (errorOrChunk!=KErrNone)
1.2545 + {
1.2546 + goto realize_end;
1.2547 + }
1.2548 + }
1.2549 + else
1.2550 + {
1.2551 + // As of writing, the was no way for iChunk to be anything other then NULL.
1.2552 + // You cannot 'unrealise' and iChunk cannot be set any other way.
1.2553 + Kern::Fault("DLddUsbcScChannel::RealizeInterface", __LINE__);
1.2554 + }
1.2555 +
1.2556 + // Populate the shared chunk . . . . . . .
1.2557 +
1.2558 +
1.2559 + // First create chunk header.
1.2560 + errorOrChunk = iChunkInfo->ChunkAlloc(offset, KHeaderSize);
1.2561 + if (errorOrChunk!=KErrNone)
1.2562 + {
1.2563 + if (errorOrChunk==-KErrNoMemory)
1.2564 + errorOrChunk=KErrNoMemory;
1.2565 + goto realize_end;
1.2566 + }
1.2567 +
1.2568 +
1.2569 + offset+=KHeaderSize + KGuardSize; // Also any more for EP0?
1.2570 +
1.2571 + // Next, lay out the geometry of the chunk header.
1.2572 +
1.2573 + bufInfo.LayoutChunkHeader(iChunkInfo);
1.2574 +
1.2575 +
1.2576 + { // Scope ep0Size
1.2577 + TInt ep0Size=0;
1.2578 +
1.2579 + // Create K-side buffer table
1.2580 + if (!iBuffers)
1.2581 + iBuffers = (TUsbcScBuffer *) Kern::AllocZ(sizeof(TUsbcScBuffer) * (bufInfo.iTotalBuffers+2)); // +2 is for ep0.
1.2582 + if (!iBuffers)
1.2583 + {
1.2584 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Error: Alloc iBufers failed!"));
1.2585 + errorOrChunk = KErrNoMemory;
1.2586 + goto realize_end;
1.2587 + }
1.2588 +
1.2589 +
1.2590 + errorOrChunk = SetupEp0();
1.2591 + if (errorOrChunk)
1.2592 + {
1.2593 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: SetupEp0 . ERROR %d",errorOrChunk));
1.2594 + goto realize_end;
1.2595 + }
1.2596 +
1.2597 + ep0Size = iEp0Endpoint->EndpointInfo()->iSize;
1.2598 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Setup EP0. max packet size %d", ep0Size));
1.2599 +
1.2600 + // Create EP0 buffers
1.2601 + iEP0OutBuff=bufInfo.iTotalBuffers;
1.2602 + errorOrChunk = iBuffers[iEP0OutBuff].Construct(KUsbcScBiOut, this, KUsbScEP0OutBufPos, KUsbScEP0OutBufEnd, ep0Size, ep0Size, ep0Size);
1.2603 + if (errorOrChunk)
1.2604 + {
1.2605 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Setup EP0 Out. ERROR %d",errorOrChunk));
1.2606 + goto realize_end;
1.2607 + }
1.2608 +
1.2609 + iBuffers[iEP0OutBuff].CreateChunkBufferHeader();
1.2610 + iBuffers[iEP0OutBuff].iCallback = iEp0Endpoint->iRequestCallbackInfo;
1.2611 + ((TUsbcScBufferRecord*) &(
1.2612 + bufInfo.iChunkStuct->iBufferOffset[KUsbcScEp0OutBuff*sizeof(TUsbcScBufferRecord)]
1.2613 + )) ->Set(KUsbScEP0OutBufPos, KUsbScEP0OutBufEnd);
1.2614 +
1.2615 +
1.2616 + iEP0InBuff=bufInfo.iTotalBuffers+1;
1.2617 + errorOrChunk = iBuffers[iEP0InBuff].Construct( KUsbcScBiIn , this, KUsbScEP0InBufPos , KUsbScEP0InBufEnd , ep0Size, ep0Size, ep0Size);
1.2618 + if (errorOrChunk)
1.2619 + {
1.2620 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Setup EP0 In. ERROR %d",errorOrChunk));
1.2621 + goto realize_end;
1.2622 + }
1.2623 +
1.2624 + iBuffers[iEP0InBuff].iCallback = iEp0Endpoint->iRequestCallbackInfo;
1.2625 +
1.2626 + ((TUsbcScBufferRecord*) &(
1.2627 + bufInfo.iChunkStuct->iBufferOffset[KUsbcScEp0InBuff*sizeof(TUsbcScBufferRecord)]
1.2628 + ))->Set(KUsbScEP0InBufPos, KUsbScEP0InBufEnd);
1.2629 +
1.2630 +
1.2631 + } // end ep0Size scope
1.2632 +
1.2633 + // Create resources and tables. . . . . .
1.2634 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: Create resources tables"));
1.2635 +
1.2636 + { // scope of bufNum
1.2637 + // For each EP buffer
1.2638 + TInt buffNum=0;
1.2639 + TInt buffMinSize;
1.2640 + TInt endpointNumber;
1.2641 + TUsbcScEndpoint* endpointRecord;
1.2642 + TInt endpoint;
1.2643 + TInt inout;
1.2644 + TEndpointSortBufs* bufsd;
1.2645 + TUsbcScHdrEndpointRecord* epRecord;
1.2646 + for (endpoint=0; endpoint<bufInfo.iMaxEndpoints; endpoint++) // endpoint = buf row.
1.2647 + {
1.2648 + for (inout=KUsbcScIn; inout<KUsbcScDirections; inout++)
1.2649 + {
1.2650 + buffMinSize = KUsbSc_BigBuff_MinimumRamRun;
1.2651 +
1.2652 + TInt needed = bufInfo.iBufs[inout].iSizes[endpoint];
1.2653 + if (needed)
1.2654 + {
1.2655 + TInt bufStart = offset;
1.2656 +
1.2657 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: buf row:%d inout %d, iBufferOffset[%d+2]=%x",endpoint, inout, buffNum, bufStart));
1.2658 +
1.2659 + bufsd = &(bufInfo.iBufs[inout]);
1.2660 + // and then point all endpoints that use it, towards it.
1.2661 + TInt altSetting;
1.2662 + TUint maxReadSize = ~0;
1.2663 + for (altSetting=0; altSetting < bufInfo.iAltSettings; altSetting++)
1.2664 + {
1.2665 + endpointRecord =bufsd->iEp[altSetting*bufInfo.iMaxEndpoints + endpoint];
1.2666 + if (endpointRecord)
1.2667 + {
1.2668 + endpointNumber = endpointRecord->EpNumber();
1.2669 + endpointRecord->SetBuffer(&iBuffers[buffNum]);
1.2670 +
1.2671 + epRecord = (TUsbcScHdrEndpointRecord*) &iChunkInfo->iChunkMem[
1.2672 + (bufInfo.iAltSettingsTbl->iAltTableOffset[altSetting]) // i.e. Just after altSettingsTbl
1.2673 + +sizeof(TInt) // after number of endpoints field
1.2674 + +(endpointNumber-1)*sizeof(TUsbcScHdrEndpointRecord)
1.2675 + ];
1.2676 + epRecord->iBufferNo = (TUint8) buffNum;
1.2677 +
1.2678 + TInt epType=(endpointRecord->EndpointInfo()->iType);
1.2679 + epType= (epType& KUsbEpTypeControl)?KUsbScHdrEpTypeControl:
1.2680 + (epType& KUsbEpTypeIsochronous)?KUsbScHdrEpTypeIsochronous:
1.2681 + (epType& KUsbEpTypeBulk)?KUsbScHdrEpTypeBulk:
1.2682 + (epType& KUsbEpTypeInterrupt)?KUsbScHdrEpTypeInterrupt:KUsbScHdrEpTypeUnknown;
1.2683 +
1.2684 + epRecord->iType = (inout+1) | (epType<<2);
1.2685 +
1.2686 + if (endpointRecord->EndpointInfo()->iReadSize)
1.2687 + maxReadSize = (maxReadSize <= endpointRecord->EndpointInfo()->iReadSize) ? maxReadSize : endpointRecord->EndpointInfo()->iReadSize;
1.2688 +
1.2689 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: endpointNum %d in altSetting %d, alt table @ %d",
1.2690 + endpointNumber, altSetting,bufInfo.iAltSettingsTbl->iAltTableOffset[altSetting]));
1.2691 + }
1.2692 + else
1.2693 + {
1.2694 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: endpointNum NA in altSetting %d", altSetting));
1.2695 + }
1.2696 +
1.2697 + } // end for
1.2698 +
1.2699 +
1.2700 + // Alloc memory for buffer.
1.2701 + TInt grabSize = needed;
1.2702 + // Generally, a buffer fragmented into smaller memory regions will reduce the efficiency
1.2703 + // of reading or writing data, and so avoiding the allocation of very small sections
1.2704 + // is advantageous.
1.2705 + // However, if only a small amount is being allocated to start with, it is likely
1.2706 + // smaller amounts of data are to be sent (reducing this advantage), and 1 memory page
1.2707 + // is a much bigger proportion of the buffer, and so more worth allocating individually.
1.2708 +
1.2709 + TInt minimumGrab;
1.2710 + if (needed<KUsbScBigBuffIs)
1.2711 + {
1.2712 + minimumGrab=Kern::RoundToPageSize(1);
1.2713 + buffMinSize = KUsbSc_SmallBuff_MinimumRamRun; // 1k
1.2714 + }
1.2715 + else
1.2716 + {
1.2717 + minimumGrab = buffMinSize+Kern::RoundToPageSize(1);
1.2718 + }
1.2719 +
1.2720 + // Grab required memory, in bits as big as possible, down to the minimum size.
1.2721 + while (needed >= minimumGrab)
1.2722 + {
1.2723 + TInt r;
1.2724 + r = iChunkInfo->ChunkAlloc(offset, grabSize);
1.2725 + if (r==KErrNone)
1.2726 + {
1.2727 + offset+=grabSize;
1.2728 + needed-=grabSize;
1.2729 + }
1.2730 + else
1.2731 + {
1.2732 + if (r==-KErrNoMemory)
1.2733 + {
1.2734 + grabSize>>=1;
1.2735 + }
1.2736 + if ((grabSize<minimumGrab) || (r!=-KErrNoMemory))
1.2737 + {
1.2738 + errorOrChunk = r;
1.2739 + goto realize_end;
1.2740 + }
1.2741 + }
1.2742 + } // end while needed
1.2743 +
1.2744 + // Initialize buffer
1.2745 + iBuffers[buffNum].Construct(inout, this, bufStart, offset, buffMinSize, 0, maxReadSize);
1.2746 + iBuffers[buffNum].CreateChunkBufferHeader();
1.2747 + ((TUsbcScBufferRecord*) &(
1.2748 + bufInfo.iChunkStuct->iBufferOffset[(buffNum+2)*sizeof(TUsbcScBufferRecord)]
1.2749 + ))->Set(bufStart, offset);
1.2750 +
1.2751 +
1.2752 + // inc pointers for next buffer
1.2753 + buffNum++;
1.2754 + offset+=KGuardSize;
1.2755 + } // end if needed
1.2756 +
1.2757 + } // end for inout
1.2758 + } // end for each buffer
1.2759 + } // scope of bufNum
1.2760 +
1.2761 +#ifdef _DEBUG
1.2762 + RealizeInterface_Dump((TUint*) iChunkInfo->iChunkMem); // Debug only tracing
1.2763 +#endif
1.2764 +
1.2765 +realize_end:
1.2766 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: cleanup. Err=%d", errorOrChunk));
1.2767 + // Here we clean up after either success, or after bailing out early.
1.2768 +
1.2769 + bufInfo.Free();
1.2770 +
1.2771 + if (iChunkInfo)
1.2772 + {
1.2773 + if (errorOrChunk==KErrNone)
1.2774 + {
1.2775 + // Everything is looking good - create RChunk for Userside.
1.2776 + errorOrChunk = Kern::MakeHandleAndOpen(iClient, iChunkInfo->iChunk);
1.2777 + iRealizeCalled = (errorOrChunk>=0);
1.2778 + } // endif errorOrChunk
1.2779 +
1.2780 + if (errorOrChunk<0) // If error, destroy the chunk.
1.2781 + {
1.2782 + iChunkInfo->Close();
1.2783 + // ChunkInfo will delete itself with DFC, but the pointer here is no longer needed.
1.2784 + iChunkInfo=NULL;
1.2785 +
1.2786 + // Destroy iBuffers
1.2787 + if (iBuffers)
1.2788 + {
1.2789 + TInt i;
1.2790 + for (i=0; i<(iNumBuffers+2); i++)
1.2791 + {
1.2792 + iBuffers[i].iStatusList.Destroy();
1.2793 + }
1.2794 + Kern::Free(iBuffers);
1.2795 + iBuffers=NULL;
1.2796 + }
1.2797 +
1.2798 + }
1.2799 + else
1.2800 + {
1.2801 + iNumBuffers = bufInfo.iTotalBuffers;
1.2802 + iValidInterface = ETrue; // Let the games commence!
1.2803 + }
1.2804 +
1.2805 + } // endif iChunkInfo
1.2806 + if (openedCS)
1.2807 + NKern::ThreadLeaveCS();
1.2808 +
1.2809 + __KTRACE_OPT(KUSB, Kern::Printf("Realize: returning %x (%d)", errorOrChunk, errorOrChunk));
1.2810 + return errorOrChunk;
1.2811 +} // End RealizeInterface
1.2812 +
1.2813 +
1.2814 +//
1.2815 +// DestroyAllInterfaces
1.2816 +//
1.2817 +
1.2818 +void DLddUsbcScChannel::DestroyAllInterfaces()
1.2819 + {
1.2820 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::DestroyAllInterfaces"));
1.2821 + // Removes all interfaces
1.2822 + if (iAlternateSettingList)
1.2823 + {
1.2824 + if (iAlternateSettingList->iHead != NULL)
1.2825 + {
1.2826 + TUsbcScAlternateSetting* alternateSettingListRec = iAlternateSettingList->iTail;
1.2827 + while (alternateSettingListRec)
1.2828 + {
1.2829 + iAlternateSettingList->iTail = alternateSettingListRec->iPrevious;
1.2830 + // If this contains NULL now that is only possible if the record to be deleted was at the head
1.2831 + __KTRACE_OPT(KUSB, Kern::Printf("Release interface %d \n", alternateSettingListRec->iSetting));
1.2832 + iController->ReleaseInterface(this, alternateSettingListRec->iSetting);
1.2833 + delete alternateSettingListRec;
1.2834 + if (iAlternateSettingList->iTail == NULL) //No more interfaces left
1.2835 + break;
1.2836 + else
1.2837 + {
1.2838 + iAlternateSettingList->iTail->iNext = NULL;
1.2839 + alternateSettingListRec = iAlternateSettingList->iTail;
1.2840 + }
1.2841 + }
1.2842 + }
1.2843 + delete iAlternateSettingList;
1.2844 + }
1.2845 +
1.2846 + iNumberOfEndpoints = 0;
1.2847 + iAlternateSettingList = NULL;
1.2848 + iValidInterface = EFalse;
1.2849 +
1.2850 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::DestroyAllInterfaces done"));
1.2851 + }
1.2852 +
1.2853 +
1.2854 +
1.2855 +
1.2856 +
1.2857 +//
1.2858 +// DestroyInterface
1.2859 +//
1.2860 +
1.2861 +void DLddUsbcScChannel::DestroyInterface(TUint aInterfaceNumber)
1.2862 + {
1.2863 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::DestroyInterface \n"));
1.2864 +
1.2865 + if (iAlternateSetting == aInterfaceNumber)
1.2866 + {
1.2867 + ResetInterface(KErrUsbInterfaceNotReady);
1.2868 + iValidInterface = EFalse;
1.2869 + iNumberOfEndpoints = 0;
1.2870 + }
1.2871 + if (iAlternateSettingList)
1.2872 + {
1.2873 + TUsbcScAlternateSetting* alternateSettingListRec = iAlternateSettingList->iTail;
1.2874 + TUsbcScAlternateSetting* alternateSettingListRecFound = NULL;
1.2875 + while (alternateSettingListRec)
1.2876 + {
1.2877 + if (alternateSettingListRec->iSetting == aInterfaceNumber)
1.2878 + {
1.2879 + alternateSettingListRecFound = alternateSettingListRec;
1.2880 + if (alternateSettingListRec->iPrevious == NULL) //Interface is at HEAD OF List, Should only be if Interface is also at Tail of list
1.2881 + {
1.2882 + iAlternateSettingList->iHead = alternateSettingListRec->iNext; // Should be NULL
1.2883 + if (alternateSettingListRec->iNext)
1.2884 + iAlternateSettingList->iHead->iPrevious = NULL;
1.2885 + }
1.2886 + else if (alternateSettingListRec->iNext == NULL) //Interface is at TAIL OF List
1.2887 + {
1.2888 + iAlternateSettingList->iTail = alternateSettingListRecFound->iPrevious;
1.2889 + iAlternateSettingList->iTail->iNext = NULL;
1.2890 + }
1.2891 + else //Somewhere in the middle (would not expect this in normal operation, but here for completeness)
1.2892 + {
1.2893 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::DestroyInterface Middle interface!\n"));
1.2894 + alternateSettingListRec->iPrevious->iNext = alternateSettingListRec->iNext;
1.2895 + alternateSettingListRec->iNext->iPrevious = alternateSettingListRec->iPrevious;
1.2896 + }
1.2897 +
1.2898 + delete alternateSettingListRecFound;
1.2899 + break;
1.2900 + }
1.2901 + alternateSettingListRec = alternateSettingListRec->iPrevious;
1.2902 + }
1.2903 + }
1.2904 + }
1.2905 +
1.2906 +//
1.2907 +// SetupEp0
1.2908 +//
1.2909 +
1.2910 +TInt DLddUsbcScChannel::SetupEp0()
1.2911 + {
1.2912 + __ASSERT_ALWAYS(iEp0Endpoint==NULL, Kern::Fault("DLddUsbcScChannel::SetupEp0", __LINE__));
1.2913 +
1.2914 + TUsbcScEndpointInfo ep0Info = TUsbcScEndpointInfo(KUsbEpTypeControl, KUsbEpDirBidirect);
1.2915 + ep0Info.iSize = iController->Ep0PacketSize();
1.2916 +
1.2917 + TUsbcScEndpoint* ep0 = new TUsbcScEndpoint(this, iController, &ep0Info, 0);
1.2918 + if (ep0 == NULL)
1.2919 + {
1.2920 + return KErrNoMemory;
1.2921 + }
1.2922 +
1.2923 + TInt r = ep0->Construct();
1.2924 + if (r != KErrNone)
1.2925 + {
1.2926 + delete ep0;
1.2927 + return KErrNoMemory;
1.2928 + }
1.2929 +
1.2930 + ep0->SetRealEpNumber(0);
1.2931 + ep0->SetBuffer(NULL); // Cannot find it this way.
1.2932 +
1.2933 + iEp0Endpoint = ep0;
1.2934 + return KErrNone;
1.2935 + }
1.2936 +
1.2937 +//
1.2938 +// DestroyEp0
1.2939 +//
1.2940 +
1.2941 +void DLddUsbcScChannel::DestroyEp0()
1.2942 + {
1.2943 + __KTRACE_OPT(KUSB, Kern::Printf(" DLddUsbcScChannel::DestroyEp0"));
1.2944 + delete iEp0Endpoint;
1.2945 + iEp0Endpoint = NULL;
1.2946 + }
1.2947 +
1.2948 +
1.2949 +void DLddUsbcScChannel::RequestCallbackEp0(TAny* aDLddUsbcScChannel)
1.2950 + {
1.2951 + DLddUsbcScChannel* channel = (DLddUsbcScChannel*) aDLddUsbcScChannel;
1.2952 +
1.2953 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::RequestCallbackEp0"));
1.2954 +
1.2955 + if (channel->ChannelClosing())
1.2956 + {
1.2957 + __KTRACE_OPT(KUSB, Kern::Printf("Channel Closing: Completion not accepted!"));
1.2958 + return;
1.2959 + }
1.2960 +
1.2961 + switch (channel->iEp0Endpoint->iRequestCallbackInfo->iTransferDir)
1.2962 + {
1.2963 + case EControllerWrite:
1.2964 + channel->iBuffers[channel->iEP0InBuff].CompleteWrite();
1.2965 + return;
1.2966 + case EControllerRead:
1.2967 + channel->iBuffers[channel->iEP0OutBuff].CompleteRead();
1.2968 + return;
1.2969 + default:
1.2970 + Kern::Printf("DLddUsbcScChannel::RequestCallbackEp0 - Unexpected completion direction %d",channel->iEp0Endpoint->iRequestCallbackInfo->iTransferDir);
1.2971 + Kern::Fault("DLddUsbcScChannel::RequestCallbackEp0", __LINE__);
1.2972 + }
1.2973 + }
1.2974 +
1.2975 +
1.2976 +
1.2977 +
1.2978 +
1.2979 +
1.2980 +//
1.2981 +// EndpointStatusChangeCallback
1.2982 +//
1.2983 +
1.2984 +void DLddUsbcScChannel::EndpointStatusChangeCallback(TAny* aDLddUsbcScChannel)
1.2985 + {
1.2986 + __KTRACE_OPT(KUSB, Kern::Printf("EndpointStatusChangeCallback"));
1.2987 + DLddUsbcScChannel* dUsbc = (DLddUsbcScChannel*) aDLddUsbcScChannel;
1.2988 + if (dUsbc->iChannelClosing)
1.2989 + return;
1.2990 + TUint endpointState = dUsbc->iEndpointStatusCallbackInfo.State();
1.2991 + const TInt reqNo = (TInt) RDevUsbcScClient::ERequestEndpointStatusNotify;
1.2992 + if (dUsbc->iRequestStatus[reqNo])
1.2993 + {
1.2994 + __KTRACE_OPT(KUSB, Kern::Printf("EndpointStatusChangeCallback Notify status"));
1.2995 + DThread* client = dUsbc->iClient;
1.2996 + // set client descriptor length to zero
1.2997 + TInt r = Kern::ThreadRawWrite(client, dUsbc->iEndpointStatusChangePtr, &endpointState,
1.2998 + sizeof(TUint), client);
1.2999 + if (r != KErrNone)
1.3000 + dUsbc->PanicClientThread(r);
1.3001 + Kern::RequestComplete(dUsbc->iClient, dUsbc->iRequestStatus[reqNo], r);
1.3002 + dUsbc->iEndpointStatusChangePtr = NULL;
1.3003 + }
1.3004 + }
1.3005 +
1.3006 +
1.3007 +//
1.3008 +// StatusChangeCallback
1.3009 +//
1.3010 +
1.3011 +void DLddUsbcScChannel::StatusChangeCallback(TAny* aDLddUsbcScChannel)
1.3012 + {
1.3013 + DLddUsbcScChannel* dUsbc = (DLddUsbcScChannel*) aDLddUsbcScChannel;
1.3014 + if (dUsbc->iChannelClosing)
1.3015 + return;
1.3016 +
1.3017 + TUsbcDeviceState deviceState;
1.3018 + TInt i;
1.3019 + for (i = 0;
1.3020 + (i < KUsbcDeviceStateRequests) && ((deviceState = dUsbc->iStatusCallbackInfo.State(i)) != EUsbcNoState);
1.3021 + ++i)
1.3022 + {
1.3023 + __KTRACE_OPT(KUSB, Kern::Printf("StatusChangeCallBack status=%d", deviceState));
1.3024 + if (deviceState & KUsbAlternateSetting)
1.3025 + {
1.3026 + dUsbc->ProcessAlternateSetting(deviceState);
1.3027 + }
1.3028 + else
1.3029 + {
1.3030 + dUsbc->ProcessDeviceState(deviceState);
1.3031 + // Send Status to EP0 buffer.
1.3032 + dUsbc->iBuffers[dUsbc->iEP0OutBuff].SendEp0StatusPacket(deviceState);
1.3033 + }
1.3034 +
1.3035 + // Only queue if userside is interested
1.3036 + if (dUsbc->iDeviceStatusNeeded)
1.3037 + {
1.3038 + dUsbc->iStatusFifo->AddStatusToQueue(deviceState);
1.3039 + const TInt reqNo = (TInt) RDevUsbcScClient::ERequestAlternateDeviceStatusNotify;
1.3040 + if (dUsbc->AlternateDeviceStateTestComplete())
1.3041 + Kern::RequestComplete(dUsbc->iClient, dUsbc->iRequestStatus[reqNo], KErrNone);
1.3042 + }
1.3043 + }
1.3044 + // We don't want to be interrupted in the middle of this:
1.3045 + const TInt irqs = NKern::DisableInterrupts(2);
1.3046 + dUsbc->iStatusCallbackInfo.ResetState();
1.3047 + NKern::RestoreInterrupts(irqs);
1.3048 + }
1.3049 +
1.3050 +
1.3051 +void DLddUsbcScChannel::OtgFeatureChangeCallback(TAny* aDLddUsbcScChannel)
1.3052 + {
1.3053 + __KTRACE_OPT(KUSB, Kern::Printf("OtgFeatureChangeCallback"));
1.3054 + DLddUsbcScChannel* dUsbc = (DLddUsbcScChannel*) aDLddUsbcScChannel;
1.3055 + if (dUsbc->iChannelClosing)
1.3056 + return;
1.3057 +
1.3058 + TUint8 features;
1.3059 + // No return value check. Assume OTG always supported here
1.3060 + dUsbc->iController->GetCurrentOtgFeatures(features);
1.3061 +
1.3062 + const TInt reqNo = (TInt) RDevUsbcScClient::ERequestOtgFeaturesNotify;
1.3063 + if (dUsbc->iRequestStatus[reqNo])
1.3064 + {
1.3065 + __KTRACE_OPT(KUSB, Kern::Printf("OtgFeatureChangeCallback Notify status"));
1.3066 + TInt r = Kern::ThreadRawWrite(dUsbc->iClient, dUsbc->iOtgFeatureChangePtr,
1.3067 + &features, sizeof(TUint8), dUsbc->iClient);
1.3068 + if (r != KErrNone)
1.3069 + dUsbc->PanicClientThread(r);
1.3070 + Kern::RequestComplete(dUsbc->iClient, dUsbc->iRequestStatus[reqNo], r);
1.3071 + dUsbc->iOtgFeatureChangePtr = NULL;
1.3072 + }
1.3073 + }
1.3074 +
1.3075 +
1.3076 +//
1.3077 +// SelectAlternateSetting
1.3078 +//
1.3079 +
1.3080 +TInt DLddUsbcScChannel::SelectAlternateSetting(TUint aAlternateSetting)
1.3081 + {
1.3082 + TUsbcScEndpoint* ep;
1.3083 +
1.3084 + // First, find the alt setting record, which corresponds to the alt setting number.
1.3085 + TUsbcScAlternateSetting* alternateSettingListRec;
1.3086 + if(iAlternateSettingList)
1.3087 + {
1.3088 + for (alternateSettingListRec = iAlternateSettingList->iHead; alternateSettingListRec; alternateSettingListRec = alternateSettingListRec->iNext)
1.3089 + if (alternateSettingListRec->iSetting == aAlternateSetting)
1.3090 + {
1.3091 + // Record has been located.
1.3092 +
1.3093 + // Update current ep setting vars
1.3094 + iEndpoint = alternateSettingListRec->iEndpoint;
1.3095 + iNumberOfEndpoints = alternateSettingListRec->iNumberOfEndpoints;
1.3096 +
1.3097 +
1.3098 +
1.3099 + // Reset buffers for new ep set
1.3100 + for (TInt i = 1; i <= KMaxEndpointsPerClient; i++)
1.3101 + {
1.3102 + ep = alternateSettingListRec->iEndpoint[i];
1.3103 + if (ep!=NULL)
1.3104 + ep->StartBuffer(); // Buffer::StartEndpoint(...) sets the necessary parameters to the buffer, for use for a perticular endpoint.
1.3105 + }
1.3106 +
1.3107 + return KErrNone;
1.3108 + }
1.3109 + }
1.3110 + return KErrGeneral;
1.3111 + }
1.3112 +
1.3113 +/* The user calls this to move into the next alternate setting. After this call, it is assumed the user wants to
1.3114 +Transmit using endpoints belonging to this alternate Setting. Writes to the IN endpoints will be allowed until
1.3115 +the host changed the alternate setting again
1.3116 +Returns a 32 int with the top 16 bits represents the sequance, and the botten, the alternatre setting no.
1.3117 +*/
1.3118 +TInt32 DLddUsbcScChannel::StartNextInAlternateSetting()
1.3119 + {
1.3120 + iUserKnowsAltSetting = ETrue;
1.3121 + return iAsSeq<<16 | iAlternateSetting;
1.3122 + }
1.3123 +
1.3124 +
1.3125 +//
1.3126 +// EpFromAlternateSetting
1.3127 +//
1.3128 +
1.3129 +TInt DLddUsbcScChannel::EpFromAlternateSetting(TUint aAlternateSetting, TInt aEndpoint)
1.3130 + {
1.3131 + TUsbcScAlternateSetting* alternateSettingListRec = iAlternateSettingList->iHead;
1.3132 + while (alternateSettingListRec)
1.3133 + {
1.3134 + if (alternateSettingListRec->iSetting == aAlternateSetting)
1.3135 + {
1.3136 + if ((aEndpoint <= alternateSettingListRec->iNumberOfEndpoints) &&
1.3137 + (aEndpoint > 0))
1.3138 + {
1.3139 + return alternateSettingListRec->iEndpoint[aEndpoint]->RealEpNumber();
1.3140 + }
1.3141 + else
1.3142 + {
1.3143 + __KTRACE_OPT(KPANIC, Kern::Printf(" Error: aEndpoint %d wrong for aAlternateSetting %d",
1.3144 + aEndpoint, aAlternateSetting));
1.3145 + return KErrNotFound;
1.3146 + }
1.3147 + }
1.3148 + alternateSettingListRec = alternateSettingListRec->iNext;
1.3149 + }
1.3150 + __KTRACE_OPT(KPANIC, Kern::Printf(" Error: no aAlternateSetting %d found", aAlternateSetting));
1.3151 + return KErrNotFound;
1.3152 + }
1.3153 +
1.3154 +//
1.3155 +// ProcessAlternateSetting
1.3156 +//
1.3157 +
1.3158 +TInt DLddUsbcScChannel::ProcessAlternateSetting(TUint aAlternateSetting)
1.3159 + {
1.3160 +
1.3161 + TUint newSetting = aAlternateSetting&(~KUsbAlternateSetting);
1.3162 + __KTRACE_OPT(KUSB, Kern::Printf("ProcessAlternateSetting 0x%08x selecting alternate setting 0x%08x", aAlternateSetting, newSetting));
1.3163 + iUserKnowsAltSetting=EFalse;
1.3164 + iAlternateSetting = newSetting;
1.3165 + iAsSeq++;
1.3166 +
1.3167 + ResetInterface(KErrUsbInterfaceChange); // kill any outstanding IN transfers
1.3168 +
1.3169 + TInt r = SelectAlternateSetting(newSetting);
1.3170 + if (r != KErrNone)
1.3171 + return r;
1.3172 +
1.3173 +
1.3174 + StartEpReads();
1.3175 + return KErrNone;
1.3176 + }
1.3177 +
1.3178 +
1.3179 +//
1.3180 +// ProcessDeviceState
1.3181 +//
1.3182 +// Called from StatusChangeCallback.
1.3183 +
1.3184 +TInt DLddUsbcScChannel::ProcessDeviceState(TUsbcDeviceState aDeviceState)
1.3185 + {
1.3186 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::ProcessDeviceState(%d -> %d)", iDeviceState, aDeviceState));
1.3187 + if (iDeviceState == aDeviceState)
1.3188 + {
1.3189 + __KTRACE_OPT(KUSB, Kern::Printf(" No state change => nothing to be done."));
1.3190 + return KErrNone;
1.3191 + }
1.3192 + if (iDeviceState == EUsbcDeviceStateSuspended)
1.3193 + {
1.3194 + __KTRACE_OPT(KUSB, Kern::Printf(" Coming out of Suspend: old state = %d", iOldDeviceState));
1.3195 + iDeviceState = iOldDeviceState;
1.3196 + if (iDeviceState == aDeviceState)
1.3197 + {
1.3198 + __KTRACE_OPT(KUSB, Kern::Printf(" New state same as before Suspend => nothing to be done."));
1.3199 + return KErrNone;
1.3200 + }
1.3201 + }
1.3202 + TBool renumerateState = (aDeviceState == EUsbcDeviceStateConfigured);
1.3203 + TBool deconfigured = EFalse;
1.3204 + TInt cancellationCode = KErrNone;
1.3205 + if (aDeviceState == EUsbcDeviceStateSuspended)
1.3206 + {
1.3207 + __KTRACE_OPT(KUSB, Kern::Printf(" Suspending..."));
1.3208 + iOldDeviceState = iDeviceState;
1.3209 + // Put PSL into low power mode here
1.3210 + }
1.3211 + else
1.3212 + {
1.3213 + deconfigured = (iDeviceState == EUsbcDeviceStateConfigured &&
1.3214 + aDeviceState != EUsbcDeviceStateConfigured);
1.3215 + if (iDeviceState == EUsbcDeviceStateConfigured)
1.3216 + {
1.3217 + if (aDeviceState == EUsbcDeviceStateUndefined)
1.3218 + cancellationCode = KErrUsbCableDetached;
1.3219 + else if (aDeviceState == EUsbcDeviceStateAddress)
1.3220 + cancellationCode = KErrUsbDeviceNotConfigured;
1.3221 + else if (aDeviceState == EUsbcDeviceStateDefault)
1.3222 + cancellationCode = KErrUsbDeviceBusReset;
1.3223 + else
1.3224 + cancellationCode = KErrUsbDeviceNotConfigured;
1.3225 + }
1.3226 + }
1.3227 + iDeviceState = aDeviceState;
1.3228 + if (iValidInterface || iOwnsDeviceControl)
1.3229 + {
1.3230 +
1.3231 + // This LDD may not own an interface. It could be some manager reenumerating
1.3232 + // after its subordinate LDDs have setup their interfaces.
1.3233 + if (deconfigured)
1.3234 + {
1.3235 + DeConfigure(cancellationCode);
1.3236 + }
1.3237 + else if (renumerateState)
1.3238 + {
1.3239 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScChannel:: Reumerated!"));
1.3240 + // Select main interface & latch in new endpoint set
1.3241 + SelectAlternateSetting(0);
1.3242 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScChannel:: StartReads!"));
1.3243 + StartEpReads();
1.3244 + }
1.3245 + }
1.3246 +
1.3247 + const TInt reqNo = (TInt) RDevUsbcScClient::ERequestReEnumerate;
1.3248 + if (renumerateState && iRequestStatus[reqNo])
1.3249 + {
1.3250 + // This lot must be done if we are reenumerated
1.3251 + Kern::RequestComplete(iClient, iRequestStatus[reqNo], KErrNone);
1.3252 + }
1.3253 +
1.3254 + return KErrNone;
1.3255 + }
1.3256 +
1.3257 +
1.3258 +TBool DLddUsbcScChannel::AlternateDeviceStateTestComplete()
1.3259 + {
1.3260 + TBool completeNow = EFalse;
1.3261 + const TInt reqNo = (TInt) RDevUsbcScClient::ERequestAlternateDeviceStatusNotify;
1.3262 + if (iRequestStatus[reqNo])
1.3263 + {
1.3264 + // User req is outstanding
1.3265 + TUint32 deviceState;
1.3266 + if (iStatusFifo->GetDeviceQueuedStatus(deviceState) == KErrNone)
1.3267 + {
1.3268 + // Device state waiting to be sent userside
1.3269 + completeNow = ETrue;
1.3270 + __KTRACE_OPT(KUSB, Kern::Printf("StatusChangeCallback Notify status"));
1.3271 + // set client descriptor length to zero
1.3272 + TInt r = Kern::ThreadRawWrite(iClient, iStatusChangePtr, &deviceState,
1.3273 + sizeof(TUint32), iClient);
1.3274 + if (r != KErrNone)
1.3275 + PanicClientThread(r);
1.3276 + iStatusChangePtr = NULL;
1.3277 + }
1.3278 + }
1.3279 + return completeNow;
1.3280 + }
1.3281 +
1.3282 +
1.3283 +void DLddUsbcScChannel::DeConfigure(TInt aErrorCode)
1.3284 + {
1.3285 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::DeConfigure()"));
1.3286 + // Called after deconfiguration. Cancels transfers on all endpoints.
1.3287 + ResetInterface(aErrorCode);
1.3288 + // Cancel the endpoint status notify request if it is outstanding.
1.3289 + const TInt KEpNotReq = RDevUsbcScClient::ERequestEndpointStatusNotify;
1.3290 + if (iRequestStatus[KEpNotReq])
1.3291 + {
1.3292 + CancelNotifyEndpointStatus();
1.3293 + Kern::RequestComplete(iClient, iRequestStatus[KEpNotReq], aErrorCode);
1.3294 + }
1.3295 + // We have to reset the alternate setting number when the config goes away.
1.3296 + SelectAlternateSetting(0);
1.3297 + iAlternateSetting = 0;
1.3298 + }
1.3299 +
1.3300 +
1.3301 +void DLddUsbcScChannel::StartEpReads()
1.3302 + {
1.3303 + // Queued after enumeration. Starts reads on all endpoints.
1.3304 + // The endpoint itself decides if it can do a read
1.3305 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::StartEpReads - 1"));
1.3306 +
1.3307 + TInt i;
1.3308 + TInt8 needsPacket;
1.3309 +
1.3310 + for (i=0; i<iNumBuffers; i++)
1.3311 + {
1.3312 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::StartEpReads - 2 %d",i));
1.3313 +
1.3314 + needsPacket = iBuffers[i].iNeedsPacket;
1.3315 + if (needsPacket)
1.3316 + {
1.3317 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::StartEpReads - 3"));
1.3318 + iBuffers[i].UpdateBufferList(0,0,(needsPacket==TUsbcScBuffer::KEpIsStarting));
1.3319 + }
1.3320 + }
1.3321 +
1.3322 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::StartEpReads - 4"));
1.3323 +
1.3324 + // now update ep0
1.3325 + iBuffers[iEP0OutBuff].Ep0CancelLddRead();
1.3326 + iBuffers[iEP0OutBuff].UpdateBufferList(0,0);
1.3327 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::StartEpReads - 5"));
1.3328 +
1.3329 + }
1.3330 +
1.3331 +
1.3332 +void DLddUsbcScChannel::ResetInterface(TInt aErrorCode)
1.3333 + {
1.3334 + if (!iValidInterface && !iOwnsDeviceControl)
1.3335 + return;
1.3336 +
1.3337 + TInt i;
1.3338 + for (i=0; i<iNumBuffers; i++)
1.3339 + {
1.3340 + iBuffers[i].iNeedsPacket=TUsbcScBuffer::KNoEpAssigned;
1.3341 + }
1.3342 +
1.3343 + TUsbcScBuffer* buffer;
1.3344 +
1.3345 + for (i = 1; i <= iNumberOfEndpoints; i++)
1.3346 + {
1.3347 + // Firstly, cancel ('garbge collect') any stale reads/writes into PIL.
1.3348 +
1.3349 + __KTRACE_OPT(KUSB, Kern::Printf("Cancelling transfer ep=%d", i));
1.3350 + iEndpoint[i]->AbortTransfer();
1.3351 +
1.3352 + // All OUT endpoints need a packet sent, to indicate the termination of the current ep 'pipe'.
1.3353 + // This will complete any current read, or will be read later.
1.3354 + // All IN endpoints must be simply cancelled, including anything queued.
1.3355 + // Ep0 operates outside alt settings, and so we don't cancel anything.
1.3356 +
1.3357 + buffer=iEndpoint[i]->GetBuffer();
1.3358 + if (buffer->iDirection==KUsbcScIn)
1.3359 + {
1.3360 + buffer->iStatusList.Complete(KErrCancel); //aErrorCode
1.3361 + buffer->iStatusList.CancelQueued(); //aErrorCode
1.3362 + }
1.3363 + else
1.3364 + buffer->iNeedsPacket=TUsbcScBuffer::KEpIsEnding; // We will send a packet on re-start, which doubles as a 'cancel'
1.3365 + // for the old alt setting.
1.3366 + }
1.3367 + }
1.3368 +
1.3369 +
1.3370 +
1.3371 +void DLddUsbcScChannel::EmergencyCompleteDfc(TAny* aDLddUsbcScChannel)
1.3372 + {
1.3373 + ((DLddUsbcScChannel*) aDLddUsbcScChannel)->DoEmergencyComplete();
1.3374 + }
1.3375 +
1.3376 +TInt DLddUsbcScChannel::DoEmergencyComplete()
1.3377 + {
1.3378 + __KTRACE_OPT(KUSB, Kern::Printf("DLddUsbcScChannel::DoEmergencyComplete"));
1.3379 + // cancel any pending DFCs
1.3380 + // complete all client requests
1.3381 +
1.3382 + TUsbcScBuffer* buffer;
1.3383 + TInt i;
1.3384 + // Complete EP0 request
1.3385 +
1.3386 + TInt direction=iEp0Endpoint->iRequestCallbackInfo->iTransferDir;
1.3387 + if (direction==EControllerWrite)
1.3388 + {
1.3389 + iBuffers[iEP0InBuff].iStatusList.CancelQueued();
1.3390 + iBuffers[iEP0InBuff].iStatusList.Complete(KErrDisconnected);
1.3391 + }
1.3392 + else if (direction==EControllerRead)
1.3393 + {
1.3394 + iBuffers[iEP0OutBuff].iStatusList.CancelQueued();
1.3395 + iBuffers[iEP0OutBuff].iStatusList.Complete(KErrDisconnected);
1.3396 + }
1.3397 +
1.3398 + // Complete other Eps request
1.3399 + for (i = 1; i <= iNumberOfEndpoints; i++)
1.3400 + {
1.3401 + __KTRACE_OPT(KUSB, Kern::Printf("Cancelling transfer ep=%d", i));
1.3402 + buffer=iEndpoint[i]->GetBuffer();
1.3403 + buffer->iStatusList.CancelQueued();
1.3404 + buffer->iStatusList.Complete(KErrDisconnected);
1.3405 + }
1.3406 +
1.3407 + // Complete remaining requests
1.3408 +
1.3409 + for (TInt i = 0; i < KUsbcMaxRequests; i++)
1.3410 + {
1.3411 + if (iRequestStatus[i])
1.3412 + {
1.3413 + __KTRACE_OPT(KUSB, Kern::Printf("Complete request 0x%x", iRequestStatus[i]));
1.3414 + Kern::RequestComplete(iClient, iRequestStatus[i], KErrDisconnected);
1.3415 + }
1.3416 + }
1.3417 + iStatusCallbackInfo.Cancel();
1.3418 + iEndpointStatusCallbackInfo.Cancel();
1.3419 + iOtgFeatureCallbackInfo.Cancel();
1.3420 +
1.3421 + return KErrNone;
1.3422 + }
1.3423 +
1.3424 +
1.3425 +void DLddUsbcScChannel::PanicClientThread(TInt aReason)
1.3426 + {
1.3427 + Kern::ThreadKill(iClient, EExitPanic, aReason, KUsbLDDKillCat);
1.3428 + }
1.3429 +
1.3430 +// End DLddUsbcScChannel
1.3431 +
1.3432 +/*****************************************************************************\
1.3433 +* TUsbcScEndpoint *
1.3434 +* *
1.3435 +* *
1.3436 +* *
1.3437 +\*****************************************************************************/
1.3438 +
1.3439 +
1.3440 +// Constructor
1.3441 +TUsbcScEndpoint::TUsbcScEndpoint(DLddUsbcScChannel* aLDD, DUsbClientController* aController,
1.3442 + const TUsbcScEndpointInfo* aEndpointInfo, TInt aEndpointNum
1.3443 + )
1.3444 + : iRequestCallbackInfo(NULL),
1.3445 + iController(aController),
1.3446 + iEndpointInfo(*aEndpointInfo),
1.3447 + iClientReadPending(EFalse),
1.3448 + iClientWritePending(EFalse),
1.3449 + iEndpointNumber(aEndpointNum),
1.3450 + iRealEpNumber(-1),
1.3451 + iLdd(aLDD),
1.3452 + iError(KErrNone),
1.3453 + iBytesTransferred(0),
1.3454 + iBuffer(NULL)
1.3455 + {
1.3456 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScEndpoint::TUsbcScEndpoint"));
1.3457 + }
1.3458 +
1.3459 +
1.3460 +TInt TUsbcScEndpoint::Construct()
1.3461 + {
1.3462 + __KTRACE_OPT(KUSB,Kern::Printf("TUsbcScEndpoint::TUsbcScEndpoint iEndpointNumber %d\n",iEndpointNumber));
1.3463 +
1.3464 + iRequestCallbackInfo = new TUsbcRequestCallback(iLdd,
1.3465 + iEndpointNumber,
1.3466 + (iEndpointNumber==0)?DLddUsbcScChannel::RequestCallbackEp0:TUsbcScEndpoint::RequestCallback,
1.3467 + (iEndpointNumber==0)? (TAny*) iLdd: (TAny*) this,
1.3468 + iLdd->iDfcQ,
1.3469 + KUsbRequestCallbackPriority);
1.3470 +
1.3471 + return (iRequestCallbackInfo == NULL)?KErrNoMemory:KErrNone;
1.3472 + }
1.3473 +
1.3474 +
1.3475 +TUsbcScEndpoint::~TUsbcScEndpoint()
1.3476 + {
1.3477 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScEndpoint::~TUsbcScEndpoint(%d)", iEndpointNumber));
1.3478 + AbortTransfer();
1.3479 + delete iRequestCallbackInfo;
1.3480 + }
1.3481 +
1.3482 +// This is called by the PIL, on return from a read or write.
1.3483 +// Inturn it calls either the read or write function for that buffer.
1.3484 +
1.3485 +void TUsbcScEndpoint::RequestCallback(TAny* aTUsbcScEndpoint)
1.3486 + {
1.3487 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScEndpoint::RequestCallback"));
1.3488 +
1.3489 + if (((TUsbcScEndpoint*)aTUsbcScEndpoint)->iLdd->ChannelClosing())
1.3490 + {
1.3491 + __KTRACE_OPT(KUSB, Kern::Printf("Channel Closing: Completion not accepted!"));
1.3492 + return;
1.3493 + }
1.3494 +
1.3495 + switch (((TUsbcScEndpoint*) aTUsbcScEndpoint)->iRequestCallbackInfo->iTransferDir)
1.3496 + {
1.3497 + case EControllerWrite:
1.3498 + ((TUsbcScEndpoint*) aTUsbcScEndpoint)->iBuffer->CompleteWrite();
1.3499 + return;
1.3500 + case EControllerRead:
1.3501 + ((TUsbcScEndpoint*) aTUsbcScEndpoint)->iBuffer->CompleteRead();
1.3502 + return;
1.3503 + default:
1.3504 + Kern::Printf("TUsbcScEndpoint::RequestCallback - Unexpected compleation direction %d",((TUsbcScEndpoint*) aTUsbcScEndpoint)->iRequestCallbackInfo->iTransferDir);
1.3505 + Kern::Fault("TUsbcScEndpoint::RequestCallback", __LINE__);
1.3506 + }
1.3507 + }
1.3508 +
1.3509 +
1.3510 +/*
1.3511 +
1.3512 +This is used to tidy up cancel calls into the PIL, regardless of them being reads or writes
1.3513 +
1.3514 +*/
1.3515 +
1.3516 +void TUsbcScEndpoint::AbortTransfer()
1.3517 + {
1.3518 + if (!iLdd->iRealizeCalled)
1.3519 + {
1.3520 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScEndpoint::AbortTransfer Ep# %d Real Ep # %d - N.R.",iEndpointNumber, iRealEpNumber));
1.3521 + return;
1.3522 + }
1.3523 + else
1.3524 + {
1.3525 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScEndpoint::AbortTransfer Ep# %d Real Ep # %d",iEndpointNumber, iRealEpNumber));
1.3526 + }
1.3527 +
1.3528 +
1.3529 + if (iBuffer && (iBuffer->iStatusList.iState) || (!iRealEpNumber))
1.3530 + {
1.3531 + if (iRequestCallbackInfo->iTransferDir==EControllerWrite)
1.3532 + iController->CancelWriteBuffer(iLdd, iRealEpNumber);
1.3533 + else if (iRequestCallbackInfo->iTransferDir==EControllerRead)
1.3534 + iController->CancelReadBuffer(iLdd, iRealEpNumber);
1.3535 + else
1.3536 + {
1.3537 + if (iEndpointNumber!=0) // endpoint zero starts off not sent in any direction, then keeps changing.
1.3538 + {
1.3539 + __KTRACE_OPT(KUSB,Kern::Printf("\nTUsbcScEndpoint::AbortTransfer WARNING: Invalid Direction %d on (%d,%d)!\n",iRequestCallbackInfo->iTransferDir,iEndpointNumber, iRealEpNumber));
1.3540 + }
1.3541 + else
1.3542 + {
1.3543 + __KTRACE_OPT(KUSB, Kern::Printf("\nTUsbcScEndpoint::AbortTransfer Can't stop direction %d on (%d,%d)!\n",iRequestCallbackInfo->iTransferDir,iEndpointNumber, iRealEpNumber));
1.3544 + }
1.3545 + }
1.3546 + }
1.3547 + else if (!iBuffer)
1.3548 + {
1.3549 + __KTRACE_OPT(KUSB,Kern::Printf("\nTUsbcScEndpoint::AbortTransfer WARNING: iBuffer is NULL on (%d,%d)\n",iEndpointNumber, iRealEpNumber));
1.3550 + return;
1.3551 + }
1.3552 +
1.3553 + if (iRequestCallbackInfo)
1.3554 + iRequestCallbackInfo->iDfc.Cancel();
1.3555 + else
1.3556 + {
1.3557 + __KTRACE_OPT(KUSB,Kern::Printf("\nTUsbcScEndpoint::AbortTransfer WARNING: iRequestCallbackInfo is NULL\n"));
1.3558 + }
1.3559 +
1.3560 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScEndpoint Done."));
1.3561 + }
1.3562 +
1.3563 +// End TUsbcScEndpoint
1.3564 +
1.3565 +
1.3566 +/*****************************************************************************\
1.3567 +* TUsbcScAlternateSettingList *
1.3568 +* *
1.3569 +* *
1.3570 +* *
1.3571 +\*****************************************************************************/
1.3572 +
1.3573 +
1.3574 +TUsbcScAlternateSetting::TUsbcScAlternateSetting()
1.3575 + : iNext(NULL),
1.3576 + iPrevious(NULL),
1.3577 + iNumberOfEndpoints(0),
1.3578 + iSetting(0)
1.3579 + {
1.3580 + for (TInt i = 0; i <= KMaxEndpointsPerClient; i++)
1.3581 + {
1.3582 + iEndpoint[i] = NULL;
1.3583 + }
1.3584 + }
1.3585 +
1.3586 +
1.3587 +TUsbcScAlternateSetting::~TUsbcScAlternateSetting()
1.3588 + {
1.3589 + __KTRACE_OPT(KUSB, Kern::Printf("TUsbcScAlternateSetting::~TUsbcScAlternateSetting()"));
1.3590 + for (TInt i = 0; i <= KMaxEndpointsPerClient; i++)
1.3591 + {
1.3592 + delete iEndpoint[i];
1.3593 + }
1.3594 + }
1.3595 +
1.3596 +// End TUsbcScAlternateSettingList
1.3597 +
1.3598 +
1.3599 +
1.3600 +TUsbcScAlternateSettingList::TUsbcScAlternateSettingList()
1.3601 + : iHead(NULL),
1.3602 + iTail(NULL)
1.3603 + {
1.3604 + }
1.3605 +
1.3606 +TUsbcScAlternateSettingList::~TUsbcScAlternateSettingList()
1.3607 + {
1.3608 + }
1.3609 +
1.3610 +
1.3611 +
1.3612 +/*****************************************************************************\
1.3613 +* TUsbcDeviceStatusQueue *
1.3614 +* *
1.3615 +* *
1.3616 +* *
1.3617 +\*****************************************************************************/
1.3618 +
1.3619 +
1.3620 +TUsbcDeviceStatusQueue::TUsbcDeviceStatusQueue()
1.3621 + {
1.3622 + FlushQueue();
1.3623 + }
1.3624 +
1.3625 +
1.3626 +void TUsbcDeviceStatusQueue::FlushQueue()
1.3627 + {
1.3628 + for (TInt i = 0; i < KUsbDeviceStatusQueueDepth; i++)
1.3629 + {
1.3630 + iDeviceStatusQueue[i] = KUsbDeviceStatusNull;
1.3631 + }
1.3632 + iStatusQueueHead = 0;
1.3633 + }
1.3634 +
1.3635 +
1.3636 +void TUsbcDeviceStatusQueue::AddStatusToQueue(TUint32 aDeviceStatus)
1.3637 + {
1.3638 + // Only add a new status if it is not a duplicate of the one at the head of the queue
1.3639 + if (!(iStatusQueueHead != 0 &&
1.3640 + iDeviceStatusQueue[iStatusQueueHead - 1] == aDeviceStatus))
1.3641 + {
1.3642 + if (iStatusQueueHead == KUsbDeviceStatusQueueDepth)
1.3643 + {
1.3644 + // Discard item at tail of queue
1.3645 + TUint32 status;
1.3646 + GetDeviceQueuedStatus(status);
1.3647 + }
1.3648 + iDeviceStatusQueue[iStatusQueueHead] = aDeviceStatus;
1.3649 + iStatusQueueHead++;
1.3650 + }
1.3651 + }
1.3652 +
1.3653 +
1.3654 +TInt TUsbcDeviceStatusQueue::GetDeviceQueuedStatus(TUint32& aDeviceStatus)
1.3655 + {
1.3656 + TInt r = KErrNone;
1.3657 + if (iStatusQueueHead <= 0)
1.3658 + {
1.3659 + r = KErrGeneral;
1.3660 + aDeviceStatus = KUsbDeviceStatusNull;
1.3661 + }
1.3662 + else
1.3663 + {
1.3664 + aDeviceStatus = iDeviceStatusQueue[0];
1.3665 + for(TInt i = 1; i < KUsbDeviceStatusQueueDepth; i++)
1.3666 + {
1.3667 + TUint32 s = iDeviceStatusQueue[i];
1.3668 + iDeviceStatusQueue[i - 1] = s;
1.3669 + }
1.3670 + iStatusQueueHead--;
1.3671 + iDeviceStatusQueue[KUsbDeviceStatusQueueDepth - 1] = KUsbDeviceStatusNull;
1.3672 + }
1.3673 + return r;
1.3674 + }
1.3675 +
1.3676 +// End TUsbcDeviceStatusQueue
1.3677 +
1.3678 +//---
1.3679 +