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[USBPORT] Start implementation USB2_DeallocateEndpointBudget().

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This commit is contained in:
Vadim Galyant 2017-12-13 03:51:54 +09:00 committed by Amine Khaldi
parent 3031695100
commit 3ba9fffbb2
1 changed files with 52 additions and 1 deletions
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53
drivers/usb/usbport/usb2.c
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@ -879,9 +879,60 @@ USB2_DeallocateEndpointBudget(IN PUSB2_TT_ENDPOINT TtEndpoint,
IN PULONG RebalanceListEntries,
IN ULONG MaxFrames)
{
PUSB2_TT Tt;
PUSB2_HC_EXTENSION HcExtension;
ULONG Speed;
ULONG StartMicroframe;
ULONG ix;
UCHAR frame;
UCHAR uframe;
DPRINT("USB2_DeallocateEndpointBudget: TtEndpoint - %p, MaxFrames - %X\n",
TtEndpoint,
MaxFrames);
if (TtEndpoint->CalcBusTime == 0)
{
DPRINT("USB2_DeallocateEndpointBudget: endpoint not allocated\n");//error((int)"endpoint not allocated");
return FALSE;
}
Tt = TtEndpoint->Tt;
HcExtension = Tt->HcExtension;
Speed = TtEndpoint->TtEndpointParams.DeviceSpeed;
DPRINT("USB2_DeallocateEndpointBudget: DeviceSpeed - %X\n", Speed);
StartMicroframe = TtEndpoint->StartFrame * USB2_MICROFRAMES +
TtEndpoint->StartMicroframe;
if (Speed == UsbHighSpeed)
{
for (ix = StartMicroframe;
ix < USB2_MAX_MICROFRAMES;
ix += TtEndpoint->ActualPeriod)
{
frame = ix / USB2_MICROFRAMES;
uframe = ix % (USB2_MICROFRAMES - 1);
HcExtension->TimeUsed[frame][uframe] -= TtEndpoint->CalcBusTime;
}
TtEndpoint->CalcBusTime = 0;
DPRINT("USB2_DeallocateEndpointBudget: return TRUE\n");
return TRUE;
}
/* Speed != UsbHighSpeed (FS/LS) */
DPRINT("USB2_DeallocateEndpointBudget: UNIMPLEMENTED FIXME\n");
ASSERT(FALSE);
return FALSE;
TtEndpoint->CalcBusTime = 0;
DPRINT("USB2_DeallocateEndpointBudget: return TRUE\n");
return TRUE;
}
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