mirror of
https://github.com/reactos/reactos.git
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131 lines
3.6 KiB
C
131 lines
3.6 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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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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USBPORT_AllocateBandwidthUSB2(IN PDEVICE_OBJECT FdoDevice,
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IN PUSBPORT_ENDPOINT Endpoint)
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{
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DPRINT1("USBPORT_AllocateBandwidthUSB2: UNIMPLEMENTED. FIXME. \n");
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return TRUE;
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}
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VOID
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NTAPI
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USBPORT_FreeBandwidthUSB2(IN PDEVICE_OBJECT FdoDevice,
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IN PUSBPORT_ENDPOINT Endpoint)
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{
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DPRINT1("USBPORT_FreeBandwidthUSB2: UNIMPLEMENTED. FIXME. \n");
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}
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VOID
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NTAPI
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USB2_InitTT(IN PUSB2_HC_EXTENSION HcExtension,
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IN PUSB2_TT Tt)
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{
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ULONG ix;
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ULONG jx;
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DPRINT("USB2_InitTT: HcExtension - %p, Tt - %p\n", HcExtension, Tt);
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Tt->HcExtension = HcExtension;
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Tt->DelayTime = 1;
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Tt->MaxTime = USB2_FS_MAX_PERIODIC_ALLOCATION;
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for (ix = 0; ix < USB2_FRAMES; ix++)
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{
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Tt->FrameBudget[ix].TimeUsed = USB2_MAX_MICROFRAMES;
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Tt->FrameBudget[ix].AltEndpoint = NULL;
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for (jx = 0; jx < USB2_MICROFRAMES; jx++)
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{
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Tt->TimeCS[ix][jx] = 0;
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Tt->NumStartSplits[ix][jx] = 0;
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}
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Tt->FrameBudget[ix].IsoEndpoint = &Tt->IsoEndpoint[ix];
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USB2_InitTtEndpoint(&Tt->IsoEndpoint[ix],
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USBPORT_TRANSFER_TYPE_ISOCHRONOUS,
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USBPORT_TRANSFER_DIRECTION_OUT,
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UsbFullSpeed,
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USB2_FRAMES,
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0,
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Tt);
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Tt->IsoEndpoint[ix].ActualPeriod = USB2_FRAMES;
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Tt->IsoEndpoint[ix].CalcBusTime = USB2_FS_SOF_TIME + USB2_HUB_DELAY;
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Tt->IsoEndpoint[ix].StartFrame = ix;
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Tt->IsoEndpoint[ix].StartMicroframe = 0xFF;
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Tt->FrameBudget[ix].IntEndpoint = &Tt->IntEndpoint[ix];
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USB2_InitTtEndpoint(&Tt->IntEndpoint[ix],
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USBPORT_TRANSFER_TYPE_INTERRUPT,
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USBPORT_TRANSFER_DIRECTION_OUT,
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UsbFullSpeed,
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USB2_FRAMES,
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0,
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Tt);
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Tt->IntEndpoint[ix].ActualPeriod = USB2_FRAMES;
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Tt->IntEndpoint[ix].CalcBusTime = USB2_FS_SOF_TIME + USB2_HUB_DELAY;
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Tt->IntEndpoint[ix].StartFrame = ix;
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Tt->IntEndpoint[ix].StartMicroframe = 0xFF;
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}
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}
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VOID
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NTAPI
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USB2_InitController(IN PUSB2_HC_EXTENSION HcExtension)
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{
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ULONG ix;
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ULONG jx;
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DPRINT("USB2_InitController: HcExtension - %p\n", HcExtension);
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HcExtension->MaxHsBusAllocation = USB2_MAX_MICROFRAME_ALLOCATION;
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for (ix = 0; ix < USB2_FRAMES; ix++)
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{
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for (jx = 0; jx < USB2_MICROFRAMES; jx++)
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{
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HcExtension->TimeUsed[ix][jx] = 0;
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}
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}
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HcExtension->HcDelayTime = USB2_CONTROLLER_DELAY;
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USB2_InitTT(HcExtension, &HcExtension->HcTt);
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}
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