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[USBPORT] Implement USB2_PromotePeriods().

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This commit is contained in:
Vadim Galyant 2017-12-16 22:30:13 +09:00 committed by Amine Khaldi
parent 0558635f98
commit bc9046c635
1 changed files with 94 additions and 2 deletions
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96
drivers/usb/usbport/usb2.c
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@ -1692,8 +1692,100 @@ USB2_PromotePeriods(IN PUSB2_TT_ENDPOINT TtEndpoint,
IN PUSB2_REBALANCE Rebalance,
IN PULONG RebalanceListEntries)
{
DPRINT1("USB2_PromotePeriods: UNIMPLEMENTED. FIXME\n");
ASSERT(FALSE);
PUSB2_TT_ENDPOINT ttEndpoint;
ULONG TransferType;
ULONG ix;
TransferType = TtEndpoint->TtEndpointParams.TransferType;
if (TtEndpoint->ActualPeriod != ENDPOINT_INTERRUPT_1ms &&
TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT &&
(CHAR)TtEndpoint->StartMicroframe > 2 &&
!USB2_ChangePeriod(TtEndpoint, Rebalance, RebalanceListEntries))
{
DPRINT("USB2_PromotePeriods: return FALSE\n");
return FALSE;
}
if (Rebalance->RebalanceEndpoint[0] == NULL)
{
DPRINT("USB2_PromotePeriods: return TRUE\n");
return TRUE;
}
DPRINT("USB2_PromotePeriods: RebalanceListEntries - %X\n",
*RebalanceListEntries);
for (ix = 0; Rebalance->RebalanceEndpoint[ix]; ix++)
{
Rebalance->RebalanceEndpoint[ix]->IsPromoted = FALSE;
}
for (ix = 0; ; ix++)
{
ttEndpoint = Rebalance->RebalanceEndpoint[ix];
TransferType = ttEndpoint->TtEndpointParams.TransferType;
if (ttEndpoint->ActualPeriod != ENDPOINT_INTERRUPT_1ms &&
TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT &&
ttEndpoint->StartMicroframe > 2)
{
USB2_DeallocateEndpointBudget(ttEndpoint,
Rebalance,
RebalanceListEntries,
USB2_FRAMES);
ttEndpoint->IsPromoted = TRUE;
ttEndpoint->PreviosPeriod = ttEndpoint->Period;
ttEndpoint->Period = ENDPOINT_INTERRUPT_1ms;
if (!USB2_AllocateTimeForEndpoint(ttEndpoint,
Rebalance,
RebalanceListEntries))
{
break;
}
}
if (Rebalance->RebalanceEndpoint[ix + 1] == NULL)
{
DPRINT("USB2_PromotePeriods: return TRUE\n");
return TRUE;
}
}
USB2_DeallocateEndpointBudget(TtEndpoint,
Rebalance,
RebalanceListEntries,
USB2_FRAMES);
TtEndpoint->Period = TtEndpoint->PreviosPeriod;
TtEndpoint->PreviosPeriod = 0;
for (ix = 0; Rebalance->RebalanceEndpoint[ix]; ix++)
{
ttEndpoint = Rebalance->RebalanceEndpoint[ix];
if (ttEndpoint->IsPromoted)
{
if (ttEndpoint->CalcBusTime)
{
USB2_DeallocateEndpointBudget(ttEndpoint,
Rebalance,
RebalanceListEntries,
USB2_FRAMES);
}
TtEndpoint->Period = TtEndpoint->PreviosPeriod;
TtEndpoint->PreviosPeriod = 0;
USB2_AllocateTimeForEndpoint(ttEndpoint,
Rebalance,
RebalanceListEntries);
}
}
DPRINT("USB2_PromotePeriods: return FALSE\n");
return FALSE;
}