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[USBPORT] Implement USB2_DeallocateEndpointBudget().

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This commit is contained in:
Vadim Galyant 2017-12-16 13:03:00 +09:00 committed by Amine Khaldi
parent 5ad7a2faa5
commit 69406c2628
1 changed files with 196 additions and 2 deletions
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198
drivers/usb/usbport/usb2.c
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@ -1102,10 +1102,204 @@ USB2_DeallocateEndpointBudget(IN PUSB2_TT_ENDPOINT TtEndpoint,
/* Speed != UsbHighSpeed (FS/LS) */
DPRINT("USB2_DeallocateEndpointBudget: UNIMPLEMENTED FIXME\n");
ASSERT(FALSE);
TransferType = TtEndpoint->TtEndpointParams.TransferType;
for (ix = MaxFrames, Frame = (MaxFrames - 1) - TtEndpoint->StartFrame;
ix > 0;
ix--, Frame--)
{
frame = TtEndpoint->StartFrame + Frame;
DPRINT("USB2_DeallocateEndpointBudget: frame - %X, Frame - %X, StartFrame - %X\n",
frame,
Frame,
TtEndpoint->StartFrame);
if ((Frame % TtEndpoint->ActualPeriod) == 0)
{
USB2_DeallocateHS(TtEndpoint, Frame);
Tt->FrameBudget[frame].TimeUsed -= TtEndpoint->CalcBusTime;
}
if (TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
{
endpoint = Tt->FrameBudget[frame].IntEndpoint;
}
else
{
endpoint = Tt->FrameBudget[frame].IsoEndpoint;
}
nextEndpoint = endpoint->NextTtEndpoint;
DPRINT("USB2_DeallocateEndpointBudget: TtEndpoint - %p, nextEndpoint - %p\n",
TtEndpoint,
nextEndpoint);
if (TtEndpoint->CalcBusTime > (USB2_FS_MAX_PERIODIC_ALLOCATION / 2))
{
while (nextEndpoint)
{
endpoint = nextEndpoint;
nextEndpoint = nextEndpoint->NextTtEndpoint;
}
nextEndpoint = TtEndpoint;
DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p, nextEndpoint - %p\n",
endpoint,
nextEndpoint);
}
else
{
while (nextEndpoint &&
!USB2_CheckTtEndpointInsert(nextEndpoint, TtEndpoint))
{
endpoint = nextEndpoint;
nextEndpoint = nextEndpoint->NextTtEndpoint;
}
if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS &&
nextEndpoint)
{
DPRINT1("USB2_DeallocateEndpointBudget: Iso Ep UNIMPLEMENTED. FIXME\n");
ASSERT(FALSE);
}
DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p, nextEndpoint - %p\n",
endpoint,
nextEndpoint);
}
if ((Frame % TtEndpoint->ActualPeriod) == 0)
{
if (TtEndpoint->CalcBusTime > (USB2_FS_MAX_PERIODIC_ALLOCATION / 2))
{
Tt->FrameBudget[frame].AltEndpoint = NULL;
}
else if (nextEndpoint)
{
nextEndpoint = nextEndpoint->NextTtEndpoint;
endpoint->NextTtEndpoint = nextEndpoint;
DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p, nextEndpoint - %p\n",
endpoint,
nextEndpoint);
}
}
if (TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
{
if (endpoint == Tt->FrameBudget[frame].IntEndpoint)
{
if (Tt->FrameBudget[frame].IsoEndpoint->NextTtEndpoint)
{
endpoint = Tt->FrameBudget[frame].IsoEndpoint->NextTtEndpoint;
DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p\n", endpoint);
}
else if (Tt->FrameBudget[frame].AltEndpoint)
{
endpoint = Tt->FrameBudget[frame].AltEndpoint;
DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p\n", endpoint);
}
}
}
else
{
DPRINT1("USB2_DeallocateEndpointBudget: Iso Ep UNIMPLEMENTED. FIXME\n");
ASSERT(FALSE);
}
Period = TtEndpoint->ActualPeriod;
for (;
nextEndpoint;
endpoint = nextEndpoint,
nextEndpoint = nextEndpoint->NextTtEndpoint)
{
DPRINT("USB2_DeallocateEndpointBudget: endpoint - %p, nextEndpoint - %p\n",
endpoint,
nextEndpoint);
endTime = endpoint->StartTime + endpoint->CalcBusTime;
maxEndTime = endTime;
if (Period > nextEndpoint->ActualPeriod ||
TtEndpoint->StartFrame != nextEndpoint->StartFrame)
{
if (USB2_CommonFrames(nextEndpoint, TtEndpoint))
Factor = Period / nextEndpoint->ActualPeriod;
else
Factor = USB2_FRAMES / nextEndpoint->ActualPeriod;
maxEndTime = endTime;
for (jx = 0, frame = nextEndpoint->StartFrame;
jx < Factor;
jx++, frame += nextEndpoint->ActualPeriod)
{
if (nextEndpoint->StartFrame != TtEndpoint->StartFrame)
{
lastEndpoint = Tt->FrameBudget[frame].IntEndpoint;
if (Tt->FrameBudget[frame].IsoEndpoint->NextTtEndpoint)
{
lastEndpoint = Tt->FrameBudget[frame].IsoEndpoint->NextTtEndpoint;
}
else if (Tt->FrameBudget[frame].AltEndpoint)
{
lastEndpoint = Tt->FrameBudget[frame].AltEndpoint;
}
for (tmpEndpoint = Tt->FrameBudget[frame].IntEndpoint->NextTtEndpoint;
tmpEndpoint && tmpEndpoint != nextEndpoint;
tmpEndpoint = tmpEndpoint->NextTtEndpoint)
{
lastEndpoint = tmpEndpoint;
}
lastEndTime = lastEndpoint->StartTime + lastEndpoint->CalcBusTime;
if (endTime < (lastEndTime - 1))
{
maxEndTime = lastEndTime;
endTime = maxEndTime;
if (nextEndpoint->StartTime == maxEndTime)
break;
}
else
{
maxEndTime = endTime;
}
}
}
}
if (maxEndTime >= nextEndpoint->StartTime)
break;
if (!USB2_MoveTtEndpoint(nextEndpoint,
maxEndTime - nextEndpoint->StartTime,
Rebalance,
*RebalanceListEntries,
&IsMoved))
{
if (!IsMoved)
{
DPRINT("USB2_DeallocateEndpointBudget: Not moved!\n");
}
break;
}
if (Period > nextEndpoint->ActualPeriod)
Period = nextEndpoint->ActualPeriod;
}
}
TtEndpoint->CalcBusTime = 0;
DPRINT("USB2_DeallocateEndpointBudget: return TRUE\n");
return TRUE;
}