mirror of
https://github.com/reactos/reactos.git
synced 2024-07-06 04:35:07 +00:00
1038 lines
28 KiB
C
1038 lines
28 KiB
C
/*
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* PROJECT: ReactOS USB Port Driver
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: USBPort USB 2.0 functions
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* COPYRIGHT: Copyright 2017 Vadim Galyant <vgal@rambler.ru>
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*/
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#include "usbport.h"
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//#define NDEBUG
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#include <debug.h>
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BOOLEAN
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NTAPI
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USB2_AllocateCheck(IN OUT PULONG OutTimeUsed,
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IN ULONG CalcBusTime,
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IN ULONG LimitAllocation)
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{
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ULONG BusTime;
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BOOLEAN Result = TRUE;
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BusTime = *OutTimeUsed + CalcBusTime;
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*OutTimeUsed += CalcBusTime;
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if (BusTime > LimitAllocation)
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{
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DPRINT("USB2_AllocateCheck: BusTime > LimitAllocation\n");
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Result = FALSE;
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}
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return Result;
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}
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USHORT
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NTAPI
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USB2_AddDataBitStuff(IN USHORT DataTime)
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{
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return (DataTime + (DataTime / 16));
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}
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VOID
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NTAPI
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USB2_IncMicroFrame(OUT PUCHAR frame,
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OUT PUCHAR uframe)
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{
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++*uframe;
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if (*uframe > (USB2_MICROFRAMES - 1))
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{
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*uframe = 0;
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*frame = (*frame + 1) & (USB2_FRAMES - 1);
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}
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}
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VOID
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NTAPI
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USB2_GetPrevMicroFrame(OUT PUCHAR frame,
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OUT PUCHAR uframe)
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{
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*uframe = USB2_MICROFRAMES - 1;
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if (*frame)
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--*frame;
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else
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*frame = USB2_FRAMES - 1;
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}
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BOOLEAN
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NTAPI
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USB2_CheckTtEndpointInsert(IN PUSB2_TT_ENDPOINT nextTtEndpoint,
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IN PUSB2_TT_ENDPOINT TtEndpoint)
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{
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ULONG TransferType;
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DPRINT("USB2_CheckTtEndpointInsert: nextTtEndpoint - %p, TtEndpoint - %p\n",
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nextTtEndpoint,
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TtEndpoint);
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ASSERT(TtEndpoint);
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if (TtEndpoint->CalcBusTime >= (USB2_FS_MAX_PERIODIC_ALLOCATION / 2))
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{
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DPRINT1("USB2_CheckTtEndpointInsert: Result - FALSE\n");
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return FALSE;
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}
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if (!nextTtEndpoint)
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{
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DPRINT("USB2_CheckTtEndpointInsert: Result - TRUE\n");
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return TRUE;
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}
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TransferType = TtEndpoint->TtEndpointParams.TransferType;
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if (nextTtEndpoint->ActualPeriod < TtEndpoint->ActualPeriod &&
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TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
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{
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DPRINT("USB2_CheckTtEndpointInsert: Result - TRUE\n");
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return TRUE;
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}
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if ((nextTtEndpoint->ActualPeriod <= TtEndpoint->ActualPeriod &&
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TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS) ||
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nextTtEndpoint == TtEndpoint)
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{
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DPRINT("USB2_CheckTtEndpointInsert: Result - TRUE\n");
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return TRUE;
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}
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DPRINT("USB2_CheckTtEndpointInsert: Result - FALSE\n");
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return FALSE;
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}
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ULONG
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NTAPI
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USB2_GetOverhead(IN PUSB2_TT_ENDPOINT TtEndpoint)
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{
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ULONG TransferType;
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ULONG Direction;
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ULONG DeviceSpeed;
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ULONG Overhead;
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ULONG HostDelay;
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TransferType = TtEndpoint->TtEndpointParams.TransferType;
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Direction = TtEndpoint->TtEndpointParams.Direction;
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DeviceSpeed = TtEndpoint->TtEndpointParams.Direction;
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HostDelay = TtEndpoint->Tt->HcExtension->HcDelayTime;
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if (DeviceSpeed == UsbHighSpeed)
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{
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if (Direction == USBPORT_TRANSFER_DIRECTION_OUT)
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{
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if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
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Overhead = HostDelay + USB2_HS_ISOCHRONOUS_OUT_OVERHEAD;
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else
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Overhead = HostDelay + USB2_HS_INTERRUPT_OUT_OVERHEAD;
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}
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else
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{
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if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
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Overhead = HostDelay + USB2_HS_ISOCHRONOUS_IN_OVERHEAD;
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else
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Overhead = HostDelay + USB2_HS_ISOCHRONOUS_OUT_OVERHEAD;
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}
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}
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else if (DeviceSpeed == UsbFullSpeed)
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{
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if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
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Overhead = HostDelay + USB2_FS_ISOCHRONOUS_OVERHEAD;
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else
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Overhead = HostDelay + USB2_FS_INTERRUPT_OVERHEAD;
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}
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else
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{
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Overhead = HostDelay + USB2_LS_INTERRUPT_OVERHEAD;
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}
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return Overhead;
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}
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VOID
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NTAPI
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USB2_GetHsOverhead(IN PUSB2_TT_ENDPOINT TtEndpoint,
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IN PULONG OverheadSS,
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IN PULONG OverheadCS)
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{
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ULONG TransferType;
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ULONG Direction;
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ULONG HostDelay;
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TransferType = TtEndpoint->TtEndpointParams.TransferType;
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Direction = TtEndpoint->TtEndpointParams.Direction;
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HostDelay = TtEndpoint->Tt->HcExtension->HcDelayTime;
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if (Direction == USBPORT_TRANSFER_DIRECTION_OUT)
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{
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if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
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{
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*OverheadSS = HostDelay + USB2_HS_SS_ISOCHRONOUS_OUT_OVERHEAD;
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*OverheadCS = 0;
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}
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else
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{
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*OverheadSS = HostDelay + USB2_HS_SS_INTERRUPT_OUT_OVERHEAD;
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*OverheadCS = HostDelay + USB2_HS_CS_INTERRUPT_OUT_OVERHEAD;
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}
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}
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else
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{
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if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
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{
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*OverheadSS = HostDelay + USB2_HS_SS_ISOCHRONOUS_IN_OVERHEAD;
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*OverheadCS = HostDelay + USB2_HS_CS_ISOCHRONOUS_IN_OVERHEAD;
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}
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else
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{
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*OverheadSS = HostDelay + USB2_HS_SS_INTERRUPT_IN_OVERHEAD;
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*OverheadCS = HostDelay + USB2_HS_CS_INTERRUPT_IN_OVERHEAD;
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}
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DPRINT("USB2_GetHsOverhead: *OverheadSS - %X, *OverheadCS - %X\n",
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*OverheadSS,
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*OverheadCS);
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}
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}
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ULONG
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NTAPI
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USB2_GetLastIsoTime(IN PUSB2_TT_ENDPOINT TtEndpoint,
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IN ULONG Frame)
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{
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PUSB2_TT_ENDPOINT nextTtEndpoint;
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ULONG Result;
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DPRINT("USB2_GetLastIsoTime: TtEndpoint - %p, Frame - %X\n",
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TtEndpoint,
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Frame);
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nextTtEndpoint = TtEndpoint->Tt->FrameBudget[Frame].IsoEndpoint->NextTtEndpoint;
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if (nextTtEndpoint ||
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(nextTtEndpoint = TtEndpoint->Tt->FrameBudget[Frame].AltEndpoint) != NULL)
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{
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Result = nextTtEndpoint->StartTime + nextTtEndpoint->CalcBusTime;
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}
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else
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{
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Result = USB2_FS_SOF_TIME;
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}
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return Result;
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}
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ULONG
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NTAPI
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USB2_GetStartTime(IN PUSB2_TT_ENDPOINT nextTtEndpoint,
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IN PUSB2_TT_ENDPOINT TtEndpoint,
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IN PUSB2_TT_ENDPOINT prevTtEndpoint,
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IN ULONG Frame)
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{
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PUSB2_TT_ENDPOINT ttEndpoint;
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ULONG TransferType;
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DPRINT("USB2_GetStartTime: nextTtEndpoint - %p, TtEndpoint - %p, prevTtEndpoint - %p, Frame - %X\n",
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nextTtEndpoint,
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TtEndpoint,
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prevTtEndpoint,
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Frame);
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TransferType = TtEndpoint->TtEndpointParams.TransferType;
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if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
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{
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if (nextTtEndpoint)
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return nextTtEndpoint->StartTime + nextTtEndpoint->CalcBusTime;
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ttEndpoint = TtEndpoint->Tt->FrameBudget[Frame].AltEndpoint;
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if (ttEndpoint)
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return ttEndpoint->StartTime + ttEndpoint->CalcBusTime;
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else
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return USB2_FS_SOF_TIME;
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}
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else
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{
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ttEndpoint = prevTtEndpoint;
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if (ttEndpoint == TtEndpoint->Tt->FrameBudget[Frame].IntEndpoint)
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return USB2_GetLastIsoTime(TtEndpoint, Frame);
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else
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return ttEndpoint->StartTime + ttEndpoint->CalcBusTime;
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}
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}
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VOID
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NTAPI
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USB2_InitTtEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint,
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IN UCHAR TransferType,
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IN UCHAR Direction,
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IN UCHAR DeviceSpeed,
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IN USHORT Period,
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IN USHORT MaxPacketSize,
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IN PUSB2_TT Tt)
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{
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RtlZeroMemory(TtEndpoint, sizeof(USB2_TT_ENDPOINT));
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TtEndpoint->TtEndpointParams.TransferType = TransferType;
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TtEndpoint->TtEndpointParams.Direction = Direction;
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TtEndpoint->TtEndpointParams.DeviceSpeed = DeviceSpeed;
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TtEndpoint->Period = Period;
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TtEndpoint->MaxPacketSize = MaxPacketSize;
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TtEndpoint->Tt = Tt;
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}
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BOOLEAN
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NTAPI
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USB2_AllocateHS(IN PUSB2_TT_ENDPOINT TtEndpoint,
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IN LONG Frame)
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{
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PUSB2_HC_EXTENSION HcExtension;
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PUSB2_TT Tt;
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ULONG TransferType;
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ULONG Direction;
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ULONG DataTime;
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ULONG RemainDataTime;
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ULONG OverheadCS;
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ULONG OverheadSS;
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ULONG ix;
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USHORT PktSize;
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UCHAR frame;
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UCHAR uframe;
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BOOL Result = TRUE;
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DPRINT("USB2_AllocateHS: TtEndpoint - %p, Frame - %X, TtEndpoint->StartFrame - %X\n",
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TtEndpoint,
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Frame,
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TtEndpoint->StartFrame);
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Tt = TtEndpoint->Tt;
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HcExtension = Tt->HcExtension;
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TransferType = TtEndpoint->TtEndpointParams.TransferType;
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Direction = TtEndpoint->TtEndpointParams.Direction;
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if (Frame == 0)
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{
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TtEndpoint->StartMicroframe =
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TtEndpoint->StartTime / USB2_FS_RAW_BYTES_IN_MICROFRAME - 1;
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DPRINT("USB2_AllocateHS: TtEndpoint->StartMicroframe - %X\n",
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TtEndpoint->StartMicroframe);
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}
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USB2_GetHsOverhead(TtEndpoint, &OverheadSS, &OverheadCS);
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if (TransferType == USBPORT_TRANSFER_TYPE_INTERRUPT)
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{
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if (Frame == 0)
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{
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TtEndpoint->Nums.NumStarts = 1;
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if ((CHAR)TtEndpoint->StartMicroframe < 5)
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{
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TtEndpoint->Nums.NumCompletes = 3;
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}
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else
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{
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TtEndpoint->Nums.NumCompletes = 2;
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}
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}
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}
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else
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{
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if (Direction == USBPORT_TRANSFER_DIRECTION_OUT)
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{
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DPRINT("USB2_AllocateHS: ISO UNIMPLEMENTED\n");
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ASSERT(FALSE);
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}
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else
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{
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DPRINT("USB2_AllocateHS: ISO UNIMPLEMENTED\n");
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ASSERT(FALSE);
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}
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}
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frame = TtEndpoint->StartFrame + Frame;
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uframe = TtEndpoint->StartMicroframe;
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if (TtEndpoint->StartMicroframe == 0xFF)
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USB2_GetPrevMicroFrame(&frame, &uframe);
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for (ix = 0; ix < TtEndpoint->Nums.NumStarts; ix++)
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{
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if (!USB2_AllocateCheck(&HcExtension->TimeUsed[frame][uframe],
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OverheadSS,
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USB2_MAX_MICROFRAME_ALLOCATION))
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{
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Result = FALSE;
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}
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if (Tt->NumStartSplits[frame][uframe] > (USB2_MAX_FS_LS_TRANSACTIONS_IN_UFRAME - 1))
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{
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DPRINT1("USB2_AllocateHS: Num Start Splits - %X\n",
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Tt->NumStartSplits[frame][uframe] + 1);
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ASSERT(FALSE);
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Result = FALSE;
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}
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++Tt->NumStartSplits[frame][uframe];
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USB2_IncMicroFrame(&frame, &uframe);
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}
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frame = TtEndpoint->StartFrame + Frame;
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uframe = TtEndpoint->StartMicroframe + TtEndpoint->Nums.NumStarts + 1;
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for (ix = 0; ix < TtEndpoint->Nums.NumCompletes; ix++)
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{
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if (!USB2_AllocateCheck(&HcExtension->TimeUsed[frame][uframe],
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OverheadCS,
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USB2_MAX_MICROFRAME_ALLOCATION))
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{
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Result = FALSE;
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}
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USB2_IncMicroFrame(&frame, &uframe);
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}
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if (Direction == USBPORT_TRANSFER_DIRECTION_OUT)
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{
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DPRINT("USB2_AllocateHS: DIRECTION OUT UNIMPLEMENTED\n");
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ASSERT(FALSE);
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}
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else
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{
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frame = TtEndpoint->StartFrame + Frame;
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uframe = TtEndpoint->StartMicroframe + TtEndpoint->Nums.NumStarts + 1;
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for (ix = 0; ix < TtEndpoint->Nums.NumCompletes; ix++)
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{
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if (Tt->TimeCS[frame][uframe] < USB2_FS_RAW_BYTES_IN_MICROFRAME)
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{
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if (Tt->TimeCS[frame][uframe] < USB2_FS_RAW_BYTES_IN_MICROFRAME)
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{
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RemainDataTime = USB2_FS_RAW_BYTES_IN_MICROFRAME -
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Tt->TimeCS[frame][uframe];
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}
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else
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{
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RemainDataTime = 0;
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}
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PktSize = TtEndpoint->MaxPacketSize;
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if (RemainDataTime >= USB2_AddDataBitStuff(PktSize))
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{
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DataTime = USB2_AddDataBitStuff(PktSize);
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}
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else
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{
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DataTime = RemainDataTime;
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}
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if (!USB2_AllocateCheck(&HcExtension->TimeUsed[frame][uframe],
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DataTime,
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USB2_MAX_MICROFRAME_ALLOCATION))
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{
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Result = FALSE;
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}
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}
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PktSize = TtEndpoint->MaxPacketSize;
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if (USB2_AddDataBitStuff(PktSize) < USB2_FS_RAW_BYTES_IN_MICROFRAME)
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{
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Tt->TimeCS[frame][uframe] += USB2_AddDataBitStuff(PktSize);
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}
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else
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{
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Tt->TimeCS[frame][uframe] += USB2_FS_RAW_BYTES_IN_MICROFRAME;
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}
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USB2_IncMicroFrame(&frame, &uframe);
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}
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}
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DPRINT("USB2_AllocateHS: Result - %X\n", Result);
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return Result;
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}
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BOOLEAN
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NTAPI
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USB2_DeallocateEndpointBudget(IN PUSB2_TT_ENDPOINT TtEndpoint,
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IN PUSB2_REBALANCE Rebalance,
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IN PULONG RebalanceListEntries,
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IN ULONG MaxFrames)
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{
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DPRINT("USB2_DeallocateEndpointBudget: UNIMPLEMENTED FIXME\n");
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ASSERT(FALSE);
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return FALSE;
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}
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BOOLEAN
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NTAPI
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USB2_AllocateTimeForEndpoint(IN PUSB2_TT_ENDPOINT TtEndpoint,
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IN PUSB2_REBALANCE Rebalance,
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IN PULONG RebalanceListEntries)
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{
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PUSB2_TT Tt;
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PUSB2_HC_EXTENSION HcExtension;
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ULONG Speed;
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ULONG TimeUsed;
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ULONG MinTimeUsed;
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ULONG ix;
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ULONG frame;
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ULONG uframe;
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ULONG Microframe;
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ULONG TransferType;
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ULONG Overhead;
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BOOLEAN Result = TRUE;
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DPRINT("USB2_AllocateTimeForEndpoint: TtEndpoint - %p\n", TtEndpoint);
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Tt = TtEndpoint->Tt;
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HcExtension = Tt->HcExtension;
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TtEndpoint->Nums.NumStarts = 0;
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TtEndpoint->Nums.NumCompletes = 0;
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TtEndpoint->StartFrame = 0;
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TtEndpoint->StartMicroframe = 0;
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if (TtEndpoint->CalcBusTime)
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{
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DPRINT("USB2_AllocateTimeForEndpoint: TtEndpoint already allocated!\n");
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return FALSE;
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}
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Speed = TtEndpoint->TtEndpointParams.DeviceSpeed;
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if (Speed == UsbHighSpeed)
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{
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if (TtEndpoint->Period > USB2_MAX_MICROFRAMES)
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TtEndpoint->ActualPeriod = USB2_MAX_MICROFRAMES;
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else
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TtEndpoint->ActualPeriod = TtEndpoint->Period;
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MinTimeUsed = HcExtension->TimeUsed[0][0];
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for (ix = 1; ix < TtEndpoint->ActualPeriod; ix++)
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{
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frame = ix / USB2_MICROFRAMES;
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uframe = ix % (USB2_MICROFRAMES - 1);
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TimeUsed = HcExtension->TimeUsed[frame][uframe];
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if (TimeUsed < MinTimeUsed)
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{
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MinTimeUsed = TimeUsed;
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TtEndpoint->StartFrame = frame;
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TtEndpoint->StartMicroframe = uframe;
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}
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}
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TtEndpoint->CalcBusTime = USB2_GetOverhead(TtEndpoint) +
|
|
USB2_AddDataBitStuff(TtEndpoint->MaxPacketSize);
|
|
|
|
DPRINT("USB2_AllocateTimeForEndpoint: StartFrame - %X, StartMicroframe - %X, CalcBusTime - %X\n",
|
|
TtEndpoint->StartFrame,
|
|
TtEndpoint->StartMicroframe,
|
|
TtEndpoint->CalcBusTime);
|
|
|
|
Microframe = TtEndpoint->StartFrame * USB2_MICROFRAMES +
|
|
TtEndpoint->StartMicroframe;
|
|
|
|
if (Microframe >= USB2_MAX_MICROFRAMES)
|
|
{
|
|
DPRINT("USB2_AllocateTimeForEndpoint: Microframe >= 256. Result - TRUE\n");
|
|
return TRUE;
|
|
}
|
|
|
|
for (ix = Microframe;
|
|
ix < USB2_MAX_MICROFRAMES;
|
|
ix += TtEndpoint->ActualPeriod)
|
|
{
|
|
frame = ix / USB2_MICROFRAMES;
|
|
uframe = ix % (USB2_MICROFRAMES - 1);
|
|
|
|
DPRINT("USB2_AllocateTimeForEndpoint: frame - %X, uframe - %X, TimeUsed[f][uf] - %X\n",
|
|
frame,
|
|
uframe,
|
|
HcExtension->TimeUsed[frame][uframe]);
|
|
|
|
if (!USB2_AllocateCheck(&HcExtension->TimeUsed[frame][uframe],
|
|
TtEndpoint->CalcBusTime,
|
|
USB2_MAX_MICROFRAME_ALLOCATION))
|
|
{
|
|
DPRINT("USB2_AllocateTimeForEndpoint: Result = FALSE\n");
|
|
Result = FALSE;
|
|
}
|
|
}
|
|
|
|
if (!Result)
|
|
{
|
|
for (ix = Microframe;
|
|
ix < USB2_MAX_MICROFRAMES;
|
|
ix += TtEndpoint->ActualPeriod)
|
|
{
|
|
frame = ix / USB2_MICROFRAMES;
|
|
uframe = ix % (USB2_MICROFRAMES - 1);
|
|
|
|
HcExtension->TimeUsed[frame][uframe] -= TtEndpoint->CalcBusTime;
|
|
}
|
|
}
|
|
|
|
DPRINT("USB2_AllocateTimeForEndpoint: Result - TRUE\n");
|
|
return TRUE;
|
|
}
|
|
|
|
/* Speed != UsbHighSpeed (FS/LS) */
|
|
|
|
if (TtEndpoint->Period > USB2_FRAMES)
|
|
TtEndpoint->ActualPeriod = USB2_FRAMES;
|
|
else
|
|
TtEndpoint->ActualPeriod = TtEndpoint->Period;
|
|
|
|
MinTimeUsed = Tt->FrameBudget[0].TimeUsed;
|
|
|
|
for (ix = 1; ix < TtEndpoint->ActualPeriod; ix++)
|
|
{
|
|
if ((Tt->FrameBudget[ix].TimeUsed) < MinTimeUsed)
|
|
{
|
|
MinTimeUsed = Tt->FrameBudget[ix].TimeUsed;
|
|
TtEndpoint->StartFrame = ix;
|
|
}
|
|
}
|
|
|
|
TransferType = TtEndpoint->TtEndpointParams.TransferType;
|
|
|
|
if (TransferType == USBPORT_TRANSFER_TYPE_ISOCHRONOUS)
|
|
{
|
|
if (Speed == UsbFullSpeed)
|
|
{
|
|
Overhead = USB2_FS_ISOCHRONOUS_OVERHEAD + Tt->DelayTime;
|
|
}
|
|
else
|
|
{
|
|
DPRINT("USB2_AllocateTimeForEndpoint: ISO can not be on a LS bus!\n");
|
|
return FALSE;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (Speed == UsbFullSpeed)
|
|
Overhead = USB2_FS_INTERRUPT_OVERHEAD + Tt->DelayTime;
|
|
else
|
|
Overhead = USB2_LS_INTERRUPT_OVERHEAD + Tt->DelayTime;
|
|
}
|
|
|
|
if (Speed == UsbLowSpeed)
|
|
{
|
|
TtEndpoint->CalcBusTime = TtEndpoint->MaxPacketSize * 8 + Overhead;
|
|
}
|
|
else
|
|
{
|
|
TtEndpoint->CalcBusTime = TtEndpoint->MaxPacketSize + Overhead;
|
|
}
|
|
|
|
|
|
DPRINT("USB2_AllocateTimeForEndpoint: UNIMPLEMENTED. FIXME\n");
|
|
ASSERT(FALSE);
|
|
return FALSE;
|
|
}
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
USB2_PromotePeriods(IN PUSB2_TT_ENDPOINT TtEndpoint,
|
|
IN PUSB2_REBALANCE Rebalance,
|
|
IN PULONG RebalanceListEntries)
|
|
{
|
|
DPRINT1("USB2_PromotePeriods: UNIMPLEMENTED. FIXME\n");
|
|
ASSERT(FALSE);
|
|
return FALSE;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
USBPORT_UpdateAllocatedBwTt(IN PUSB2_TT_EXTENSION TtExtension)
|
|
{
|
|
ULONG BusBandwidth;
|
|
ULONG NewBusBandwidth;
|
|
ULONG MaxBusBandwidth = 0;
|
|
ULONG MinBusBandwidth;
|
|
ULONG ix;
|
|
|
|
DPRINT("USBPORT_UpdateAllocatedBwTt: TtExtension - %p\n", TtExtension);
|
|
|
|
BusBandwidth = TtExtension->BusBandwidth;
|
|
MinBusBandwidth = BusBandwidth;
|
|
|
|
for (ix = 0; ix < USB2_FRAMES; ix++)
|
|
{
|
|
NewBusBandwidth = BusBandwidth - TtExtension->Bandwidth[ix];
|
|
|
|
if (NewBusBandwidth > MaxBusBandwidth)
|
|
MaxBusBandwidth = NewBusBandwidth;
|
|
|
|
if (NewBusBandwidth < MinBusBandwidth)
|
|
MinBusBandwidth = NewBusBandwidth;
|
|
}
|
|
|
|
TtExtension->MaxBandwidth = MaxBusBandwidth;
|
|
|
|
if (MinBusBandwidth == BusBandwidth)
|
|
TtExtension->MinBandwidth = 0;
|
|
else
|
|
TtExtension->MinBandwidth = MinBusBandwidth;
|
|
}
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
USBPORT_AllocateBandwidthUSB2(IN PDEVICE_OBJECT FdoDevice,
|
|
IN PUSBPORT_ENDPOINT Endpoint)
|
|
{
|
|
PUSBPORT_DEVICE_EXTENSION FdoExtension;
|
|
PUSBPORT_ENDPOINT_PROPERTIES EndpointProperties;
|
|
PUSB2_TT_EXTENSION TtExtension;
|
|
ULONG TransferType;
|
|
PUSB2_REBALANCE Rebalance;
|
|
LIST_ENTRY RebalanceList;
|
|
ULONG RebalanceListEntries;
|
|
PUSB2_TT_ENDPOINT TtEndpoint;
|
|
PUSB2_TT_ENDPOINT RebalanceTtEndpoint;
|
|
PUSB2_TT Tt;
|
|
USB_DEVICE_SPEED DeviceSpeed;
|
|
ULONG Period;
|
|
ULONG AllocedBusTime;
|
|
ULONG EndpointBandwidth;
|
|
ULONG ScheduleOffset;
|
|
ULONG Factor;
|
|
ULONG ix;
|
|
ULONG n;
|
|
BOOLEAN Direction;
|
|
UCHAR SMask;
|
|
UCHAR CMask;
|
|
UCHAR ActualPeriod;
|
|
BOOLEAN Result;
|
|
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: FdoDevice - %p, Endpoint - %p\n",
|
|
FdoDevice,
|
|
Endpoint);
|
|
|
|
EndpointProperties = &Endpoint->EndpointProperties;
|
|
EndpointProperties->ScheduleOffset = 0;
|
|
|
|
if (Endpoint->Flags & ENDPOINT_FLAG_ROOTHUB_EP0)
|
|
{
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: ENDPOINT_FLAG_ROOTHUB_EP0\n");
|
|
return TRUE;
|
|
}
|
|
|
|
FdoExtension = FdoDevice->DeviceExtension;
|
|
|
|
TransferType = EndpointProperties->TransferType;
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: TransferType - %X\n", TransferType);
|
|
|
|
if (TransferType == USBPORT_TRANSFER_TYPE_CONTROL ||
|
|
TransferType == USBPORT_TRANSFER_TYPE_BULK)
|
|
{
|
|
return TRUE;
|
|
}
|
|
|
|
if (Endpoint->TtExtension)
|
|
TtExtension = Endpoint->TtExtension;
|
|
else
|
|
TtExtension = NULL;
|
|
|
|
InitializeListHead(&RebalanceList);
|
|
|
|
Rebalance = ExAllocatePoolWithTag(NonPagedPool,
|
|
sizeof(USB2_REBALANCE),
|
|
USB_PORT_TAG);
|
|
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: Rebalance - %p, TtExtension - %p\n",
|
|
Rebalance,
|
|
TtExtension);
|
|
|
|
if (Rebalance)
|
|
{
|
|
RtlZeroMemory(Rebalance, sizeof(USB2_REBALANCE));
|
|
|
|
TtEndpoint = Endpoint->TtEndpoint;
|
|
TtEndpoint->Endpoint = Endpoint;
|
|
|
|
Direction = EndpointProperties->Direction == USBPORT_TRANSFER_DIRECTION_OUT;
|
|
DeviceSpeed = EndpointProperties->DeviceSpeed;
|
|
|
|
switch (DeviceSpeed)
|
|
{
|
|
case UsbLowSpeed:
|
|
case UsbFullSpeed:
|
|
{
|
|
Tt = &TtExtension->Tt;
|
|
|
|
Period = USB2_FRAMES;
|
|
|
|
while (Period > 0 && Period > EndpointProperties->Period)
|
|
{
|
|
Period >>= 1;
|
|
}
|
|
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: Period - %X\n", Period);
|
|
break;
|
|
}
|
|
|
|
case UsbHighSpeed:
|
|
{
|
|
Tt = &FdoExtension->Usb2Extension->HcTt;
|
|
|
|
if (EndpointProperties->Period > USB2_MAX_MICROFRAMES)
|
|
Period = USB2_MAX_MICROFRAMES;
|
|
else
|
|
Period = EndpointProperties->Period;
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
DPRINT1("USBPORT_AllocateBandwidthUSB2: DeviceSpeed - %X!\n",
|
|
DeviceSpeed);
|
|
|
|
DbgBreakPoint();
|
|
|
|
Tt = &TtExtension->Tt;
|
|
break;
|
|
}
|
|
}
|
|
|
|
USB2_InitTtEndpoint(TtEndpoint,
|
|
TransferType,
|
|
Direction,
|
|
DeviceSpeed,
|
|
Period,
|
|
EndpointProperties->MaxPacketSize,
|
|
Tt);
|
|
|
|
RebalanceListEntries = USB2_FRAMES - 2;
|
|
|
|
Result = USB2_AllocateTimeForEndpoint(TtEndpoint,
|
|
Rebalance,
|
|
&RebalanceListEntries);
|
|
|
|
if (Result)
|
|
{
|
|
Result = USB2_PromotePeriods(TtEndpoint,
|
|
Rebalance,
|
|
&RebalanceListEntries);
|
|
}
|
|
|
|
RebalanceListEntries = 0;
|
|
|
|
for (ix = 0; Rebalance->RebalanceEndpoint[ix]; ix++)
|
|
{
|
|
RebalanceListEntries = ix + 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
RebalanceListEntries = 0;
|
|
Result = FALSE;
|
|
}
|
|
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: RebalanceListEntries - %X, Result - %X\n",
|
|
RebalanceListEntries,
|
|
Result);
|
|
|
|
for (ix = 0; ix < RebalanceListEntries; ix++)
|
|
{
|
|
RebalanceTtEndpoint = Rebalance->RebalanceEndpoint[ix];
|
|
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: RebalanceTtEndpoint[%X] - %p, RebalanceTtEndpoint - %p, RebalanceLink - %p\n",
|
|
ix,
|
|
RebalanceTtEndpoint,
|
|
&RebalanceTtEndpoint->Endpoint->RebalanceLink);
|
|
|
|
InsertTailList(&RebalanceList,
|
|
&RebalanceTtEndpoint->Endpoint->RebalanceLink);
|
|
}
|
|
|
|
if (Rebalance)
|
|
ExFreePoolWithTag(Rebalance, USB_PORT_TAG);
|
|
|
|
if (Result)
|
|
{
|
|
SMask = USB2_GetSMASK(Endpoint->TtEndpoint);
|
|
EndpointProperties->InterruptScheduleMask = SMask;
|
|
|
|
CMask = USB2_GetCMASK(Endpoint->TtEndpoint);
|
|
EndpointProperties->SplitCompletionMask = CMask;
|
|
|
|
AllocedBusTime = TtEndpoint->CalcBusTime;
|
|
|
|
EndpointBandwidth = USB2_MICROFRAMES * AllocedBusTime;
|
|
EndpointProperties->UsbBandwidth = EndpointBandwidth;
|
|
|
|
ActualPeriod = Endpoint->TtEndpoint->ActualPeriod;
|
|
EndpointProperties->Period = ActualPeriod;
|
|
|
|
ScheduleOffset = Endpoint->TtEndpoint->StartFrame;
|
|
EndpointProperties->ScheduleOffset = ScheduleOffset;
|
|
|
|
Factor = USB2_FRAMES / ActualPeriod;
|
|
ASSERT(Factor);
|
|
|
|
n = ScheduleOffset * Factor;
|
|
|
|
if (TtExtension)
|
|
{
|
|
for (ix = 0; ix < Factor; ix++)
|
|
{
|
|
TtExtension->Bandwidth[n + ix] -= EndpointBandwidth;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (ix = 1; ix < Factor; ix++)
|
|
{
|
|
FdoExtension->Bandwidth[n + ix] -= EndpointBandwidth;
|
|
}
|
|
}
|
|
|
|
USBPORT_DumpingEndpointProperties(EndpointProperties);
|
|
USBPORT_DumpingTtEndpoint(Endpoint->TtEndpoint);
|
|
|
|
if (AllocedBusTime >= (USB2_FS_MAX_PERIODIC_ALLOCATION / 2))
|
|
{
|
|
DPRINT1("USBPORT_AllocateBandwidthUSB2: AllocedBusTime >= 0.5 * MAX_ALLOCATION \n");
|
|
}
|
|
}
|
|
|
|
//USB2_Rebalance(FdoDevice, &RebalanceList);
|
|
|
|
if (!TtExtension)
|
|
{
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: Result - %X\n", Result);
|
|
return Result;
|
|
}
|
|
|
|
for (ix = 0; ix < USB2_FRAMES; ix++)
|
|
{
|
|
FdoExtension->Bandwidth[ix] += TtExtension->MaxBandwidth;
|
|
}
|
|
|
|
USBPORT_UpdateAllocatedBwTt(TtExtension);
|
|
|
|
for (ix = 0; ix < USB2_FRAMES; ix++)
|
|
{
|
|
FdoExtension->Bandwidth[ix] -= TtExtension->MaxBandwidth;
|
|
}
|
|
|
|
DPRINT("USBPORT_AllocateBandwidthUSB2: Result - %X\n", Result);
|
|
|
|
return Result;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
USBPORT_FreeBandwidthUSB2(IN PDEVICE_OBJECT FdoDevice,
|
|
IN PUSBPORT_ENDPOINT Endpoint)
|
|
{
|
|
DPRINT1("USBPORT_FreeBandwidthUSB2: UNIMPLEMENTED. FIXME. \n");
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
USB2_InitTT(IN PUSB2_HC_EXTENSION HcExtension,
|
|
IN PUSB2_TT Tt)
|
|
{
|
|
ULONG ix;
|
|
ULONG jx;
|
|
|
|
DPRINT("USB2_InitTT: HcExtension - %p, Tt - %p\n", HcExtension, Tt);
|
|
|
|
Tt->HcExtension = HcExtension;
|
|
Tt->DelayTime = 1;
|
|
Tt->MaxTime = USB2_FS_MAX_PERIODIC_ALLOCATION;
|
|
|
|
for (ix = 0; ix < USB2_FRAMES; ix++)
|
|
{
|
|
Tt->FrameBudget[ix].TimeUsed = USB2_MAX_MICROFRAMES;
|
|
Tt->FrameBudget[ix].AltEndpoint = NULL;
|
|
|
|
for (jx = 0; jx < USB2_MICROFRAMES; jx++)
|
|
{
|
|
Tt->TimeCS[ix][jx] = 0;
|
|
Tt->NumStartSplits[ix][jx] = 0;
|
|
}
|
|
|
|
Tt->FrameBudget[ix].IsoEndpoint = &Tt->IsoEndpoint[ix];
|
|
|
|
USB2_InitTtEndpoint(&Tt->IsoEndpoint[ix],
|
|
USBPORT_TRANSFER_TYPE_ISOCHRONOUS,
|
|
USBPORT_TRANSFER_DIRECTION_OUT,
|
|
UsbFullSpeed,
|
|
USB2_FRAMES,
|
|
0,
|
|
Tt);
|
|
|
|
Tt->IsoEndpoint[ix].ActualPeriod = USB2_FRAMES;
|
|
Tt->IsoEndpoint[ix].CalcBusTime = USB2_FS_SOF_TIME + USB2_HUB_DELAY;
|
|
Tt->IsoEndpoint[ix].StartFrame = ix;
|
|
Tt->IsoEndpoint[ix].StartMicroframe = 0xFF;
|
|
|
|
Tt->FrameBudget[ix].IntEndpoint = &Tt->IntEndpoint[ix];
|
|
|
|
USB2_InitTtEndpoint(&Tt->IntEndpoint[ix],
|
|
USBPORT_TRANSFER_TYPE_INTERRUPT,
|
|
USBPORT_TRANSFER_DIRECTION_OUT,
|
|
UsbFullSpeed,
|
|
USB2_FRAMES,
|
|
0,
|
|
Tt);
|
|
|
|
Tt->IntEndpoint[ix].ActualPeriod = USB2_FRAMES;
|
|
Tt->IntEndpoint[ix].CalcBusTime = USB2_FS_SOF_TIME + USB2_HUB_DELAY;
|
|
Tt->IntEndpoint[ix].StartFrame = ix;
|
|
Tt->IntEndpoint[ix].StartMicroframe = 0xFF;
|
|
}
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
USB2_InitController(IN PUSB2_HC_EXTENSION HcExtension)
|
|
{
|
|
ULONG ix;
|
|
ULONG jx;
|
|
|
|
DPRINT("USB2_InitController: HcExtension - %p\n", HcExtension);
|
|
|
|
HcExtension->MaxHsBusAllocation = USB2_MAX_MICROFRAME_ALLOCATION;
|
|
|
|
for (ix = 0; ix < USB2_FRAMES; ix++)
|
|
{
|
|
for (jx = 0; jx < USB2_MICROFRAMES; jx++)
|
|
{
|
|
HcExtension->TimeUsed[ix][jx] = 0;
|
|
}
|
|
}
|
|
|
|
HcExtension->HcDelayTime = USB2_CONTROLLER_DELAY;
|
|
|
|
USB2_InitTT(HcExtension, &HcExtension->HcTt);
|
|
}
|