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[USBPORT] End implementation USB2_AllocateTimeForEndpoint().

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This commit is contained in:
Vadim Galyant 2017-12-09 16:27:19 +09:00 committed by Amine Khaldi
parent 2be475db5d
commit e262bb610d
1 changed files with 187 additions and 3 deletions
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190
drivers/usb/usbport/usb2.c
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@ -500,6 +500,12 @@ USB2_AllocateTimeForEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint,
ULONG Microframe; ULONG Microframe;
ULONG TransferType; ULONG TransferType;
ULONG Overhead; ULONG Overhead;
ULONG LatestStart;
PUSB2_TT_ENDPOINT prevTtEndpoint;
PUSB2_TT_ENDPOINT nextTtEndpoint;
PUSB2_TT_ENDPOINT IntEndpoint;
ULONG StartTime;
ULONG calcBusTime;
BOOLEAN Result = TRUE; BOOLEAN Result = TRUE;
DPRINT("USB2_AllocateTimeForEndpoint: TtEndpoint - %p\n", TtEndpoint); DPRINT("USB2_AllocateTimeForEndpoint: TtEndpoint - %p\n", TtEndpoint);
@ -649,10 +655,188 @@ USB2_AllocateTimeForEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint,
TtEndpoint->CalcBusTime = TtEndpoint->MaxPacketSize + Overhead; TtEndpoint->CalcBusTime = TtEndpoint->MaxPacketSize + Overhead;
} }
LatestStart = USB2_HUB_DELAY + USB2_FS_SOF_TIME;
DPRINT("USB2_AllocateTimeForEndpoint: UNIMPLEMENTED. FIXME\n"); for (ix = 0;
ASSERT(FALSE); (TtEndpoint->StartFrame + ix) < USB2_FRAMES;
return FALSE; ix += TtEndpoint->ActualPeriod)
{
frame = TtEndpoint->StartFrame + ix;
if (Tt->FrameBudget[frame].AltEndpoint &&
TtEndpoint->CalcBusTime >= (USB2_FS_MAX_PERIODIC_ALLOCATION / 2))
{
DPRINT("USB2_AllocateTimeForEndpoint: return FALSE\n");
return FALSE;
}
if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
prevTtEndpoint = Tt->FrameBudget[frame].IsoEndpoint;
else
prevTtEndpoint = Tt->FrameBudget[frame].IntEndpoint;
for (nextTtEndpoint = prevTtEndpoint->NextTtEndpoint;
nextTtEndpoint;
nextTtEndpoint = nextTtEndpoint->NextTtEndpoint)
{
if (USB2_CheckTtEndpointInsert(nextTtEndpoint, TtEndpoint))
{
break;
}
prevTtEndpoint = nextTtEndpoint;
}
StartTime = USB2_GetStartTime(nextTtEndpoint,
TtEndpoint,
prevTtEndpoint,
frame);
if (StartTime > LatestStart)
LatestStart = StartTime;
}
TtEndpoint->StartTime = LatestStart;
if ((LatestStart + TtEndpoint->CalcBusTime) > USB2_FS_MAX_PERIODIC_ALLOCATION)
{
TtEndpoint->CalcBusTime = 0;
DPRINT("USB2_AllocateTimeForEndpoint: return FALSE\n");
return FALSE;
}
for (ix = 0, frame = -TtEndpoint->StartFrame;
ix < USB2_FRAMES;
ix++, frame++)
{
DPRINT("USB2_AllocateTimeForEndpoint: ix - %X, frame - %X, StartFrame - %X\n",
ix,
frame,
TtEndpoint->StartFrame);
if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
{
DPRINT1("USB2_AllocateTimeForEndpoint: Iso Ep UNIMPLEMENTED. FIXME\n");
ASSERT(FALSE);
}
else
{
IntEndpoint = Tt->FrameBudget[ix].IntEndpoint;
nextTtEndpoint = IntEndpoint->NextTtEndpoint;
for (nextTtEndpoint = IntEndpoint->NextTtEndpoint;
nextTtEndpoint;
nextTtEndpoint = nextTtEndpoint->NextTtEndpoint)
{
if (USB2_CheckTtEndpointInsert(nextTtEndpoint, TtEndpoint))
break;
IntEndpoint = nextTtEndpoint;
}
if ((frame % TtEndpoint->ActualPeriod) == 0)
{
calcBusTime = 0;
}
else
{
if (nextTtEndpoint)
{
calcBusTime = LatestStart + TtEndpoint->CalcBusTime -
nextTtEndpoint->StartTime;
}
else
{
calcBusTime = TtEndpoint->CalcBusTime;
}
if (calcBusTime > 0)
{
TimeUsed = Tt->FrameBudget[ix].TimeUsed;
if (!USB2_AllocateCheck(&TimeUsed,
calcBusTime,
USB2_FS_MAX_PERIODIC_ALLOCATION))
{
DPRINT("USB2_AllocateTimeForEndpoint: Result = FALSE\n");
Result = FALSE;
}
}
}
if (nextTtEndpoint != TtEndpoint)
{
if ((frame % TtEndpoint->ActualPeriod) == 0)
{
if (frame == 0)
{
DPRINT("USB2_AllocateTimeForEndpoint: frame == 0\n");
TtEndpoint->NextTtEndpoint = nextTtEndpoint;
}
IntEndpoint->NextTtEndpoint = TtEndpoint;
DPRINT("USB2_AllocateTimeForEndpoint: TtEndpoint - %p, nextTtEndpoint - %p\n",
TtEndpoint,
nextTtEndpoint);
}
if (calcBusTime > 0)
{
BOOLEAN IsMoved;
BOOLEAN MoveResult;
DPRINT("USB2_AllocateTimeForEndpoint: nextTtEndpoint - %p, calcBusTime - %X\n",
nextTtEndpoint,
calcBusTime);
for (;
nextTtEndpoint;
nextTtEndpoint = nextTtEndpoint->NextTtEndpoint)
{
MoveResult = USB2_MoveTtEndpoint(nextTtEndpoint,
calcBusTime,
Rebalance,
*RebalanceListEntries,
&IsMoved);
if (!IsMoved)
{
DPRINT("USB2_AllocateTimeForEndpoint: Result = FALSE\n");
Result = FALSE;
}
if (!MoveResult)
break;
}
}
}
}
if ((frame % TtEndpoint->ActualPeriod) == 0)
{
if (!USB2_AllocateHS(TtEndpoint, frame))
{
DPRINT1("USB2_AllocateTimeForEndpoint: USB2_AllocateHS return FALSE\n");
Result = FALSE;
}
Tt->FrameBudget[ix].TimeUsed += TtEndpoint->CalcBusTime;
}
if (Result == FALSE)
{
USB2_DeallocateEndpointBudget(TtEndpoint,
Rebalance,
RebalanceListEntries,
ix + 1);
DPRINT("USB2_AllocateTimeForEndpoint: return FALSE\n");
return FALSE;
}
}
DPRINT("USB2_AllocateTimeForEndpoint: Result - %X\n", Result);
return Result;
} }
BOOLEAN BOOLEAN