mirror of
https://github.com/reactos/reactos.git
synced 2024-11-01 04:11:30 +00:00
587 lines
16 KiB
C
587 lines
16 KiB
C
/*
|
|
* PROJECT: ReactOS USB OHCI Miniport Driver
|
|
* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
|
|
* PURPOSE: USBOHCI root hub functions
|
|
* COPYRIGHT: Copyright 2017-2018 Vadim Galyant <vgal@rambler.ru>
|
|
*/
|
|
|
|
#include "usbohci.h"
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
OHCI_REG_RH_DESCRIPTORA
|
|
NTAPI
|
|
OHCI_ReadRhDescriptorA(IN POHCI_EXTENSION OhciExtension)
|
|
{
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
OHCI_REG_RH_DESCRIPTORA DescriptorA;
|
|
PULONG DescriptorAReg;
|
|
ULONG ix;
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
DescriptorAReg = (PULONG)&OperationalRegs->HcRhDescriptorA;
|
|
|
|
DPRINT("OHCI_ReadRhDescriptorA: OhciExtension - %p\n", OhciExtension);
|
|
|
|
for (ix = 0; ix < 10; ix++)
|
|
{
|
|
DescriptorA.AsULONG = READ_REGISTER_ULONG(DescriptorAReg);
|
|
|
|
if (DescriptorA.AsULONG != 0 &&
|
|
DescriptorA.Reserved == 0 &&
|
|
DescriptorA.NumberDownstreamPorts <= OHCI_MAX_PORT_COUNT)
|
|
{
|
|
break;
|
|
}
|
|
|
|
DPRINT1("OHCI_ReadRhDescriptorA: DescriptorA - %lX, ix - %d\n",
|
|
DescriptorA.AsULONG, ix);
|
|
|
|
KeStallExecutionProcessor(5);
|
|
}
|
|
|
|
return DescriptorA;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
OHCI_RH_GetRootHubData(IN PVOID ohciExtension,
|
|
IN PVOID rootHubData)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
PUSBPORT_ROOT_HUB_DATA RootHubData;
|
|
OHCI_REG_RH_DESCRIPTORA DescriptorA;
|
|
UCHAR PowerOnToPowerGoodTime;
|
|
USBPORT_HUB_11_CHARACTERISTICS HubCharacteristics;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_GetRootHubData: OhciExtension - %p, rootHubData - %p\n",
|
|
OhciExtension,
|
|
rootHubData);
|
|
|
|
RootHubData = rootHubData;
|
|
DescriptorA = OHCI_ReadRhDescriptorA(OhciExtension);
|
|
|
|
RootHubData->NumberOfPorts = DescriptorA.NumberDownstreamPorts;
|
|
|
|
/* Waiting time (in 2 ms intervals) */
|
|
PowerOnToPowerGoodTime = DescriptorA.PowerOnToPowerGoodTime;
|
|
if (PowerOnToPowerGoodTime <= OHCI_MINIMAL_POTPGT)
|
|
PowerOnToPowerGoodTime = OHCI_MINIMAL_POTPGT;
|
|
RootHubData->PowerOnToPowerGood = PowerOnToPowerGoodTime;
|
|
|
|
HubCharacteristics.AsUSHORT = 0;
|
|
|
|
if (DescriptorA.PowerSwitchingMode)
|
|
{
|
|
/* Individual port power switching */
|
|
HubCharacteristics.PowerControlMode = 1;
|
|
}
|
|
else
|
|
{
|
|
/* Ganged power switching */
|
|
HubCharacteristics.PowerControlMode = 0;
|
|
}
|
|
|
|
HubCharacteristics.NoPowerSwitching = 0;
|
|
|
|
/* always 0 (OHCI RH is not a compound device) */
|
|
ASSERT(DescriptorA.DeviceType == 0);
|
|
HubCharacteristics.PartOfCompoundDevice = DescriptorA.DeviceType;
|
|
|
|
HubCharacteristics.OverCurrentProtectionMode = DescriptorA.OverCurrentProtectionMode;
|
|
HubCharacteristics.NoOverCurrentProtection = DescriptorA.NoOverCurrentProtection;
|
|
|
|
RootHubData->HubCharacteristics.Usb11HubCharacteristics = HubCharacteristics;
|
|
RootHubData->HubControlCurrent = 0;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_GetStatus(IN PVOID ohciExtension,
|
|
IN PUSHORT Status)
|
|
{
|
|
DPRINT("OHCI_RH_GetStatus: \n");
|
|
*Status = USB_GETSTATUS_SELF_POWERED;
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_GetPortStatus(IN PVOID ohciExtension,
|
|
IN USHORT Port,
|
|
IN PUSB_PORT_STATUS_AND_CHANGE PortStatus)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS OhciPortStatus;
|
|
ULONG ix;
|
|
ULONG Reserved;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_GetPortStatus: OhciExtension - %p, Port - %x, PortStatus - %lX\n",
|
|
OhciExtension,
|
|
Port,
|
|
PortStatus->AsUlong32);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
for (ix = 0; ix < 10; ix++)
|
|
{
|
|
OhciPortStatus.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
|
|
|
|
Reserved = OhciPortStatus.Reserved1r |
|
|
OhciPortStatus.Reserved2r |
|
|
OhciPortStatus.Reserved3;
|
|
|
|
if (OhciPortStatus.AsULONG && !Reserved)
|
|
break;
|
|
|
|
DPRINT("OHCI_RH_GetPortStatus: OhciPortStatus - %X\n", OhciPortStatus.AsULONG);
|
|
|
|
KeStallExecutionProcessor(5);
|
|
}
|
|
|
|
PortStatus->AsUlong32 = OhciPortStatus.AsULONG;
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_GetHubStatus(IN PVOID ohciExtension,
|
|
IN PUSB_HUB_STATUS_AND_CHANGE HubStatus)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG RhStatusReg;
|
|
OHCI_REG_RH_STATUS HcRhStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_GetHubStatus: ohciExtension - %p, HubStatus - %lX\n",
|
|
ohciExtension,
|
|
HubStatus->AsUlong32);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
RhStatusReg = (PULONG)&OperationalRegs->HcRhStatus;
|
|
|
|
HcRhStatus.AsULONG = READ_REGISTER_ULONG(RhStatusReg);
|
|
|
|
HubStatus->HubStatus.LocalPowerLost = HcRhStatus.LocalPowerStatus;
|
|
HubStatus->HubChange.LocalPowerChange = HcRhStatus.LocalPowerStatusChange;
|
|
|
|
HubStatus->HubStatus.OverCurrent = HcRhStatus.OverCurrentIndicator;
|
|
HubStatus->HubChange.OverCurrentChange = HcRhStatus.OverCurrentIndicatorChangeR;
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_SetFeaturePortReset(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_SetFeaturePortReset: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.SetPortReset = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_SetFeaturePortPower(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_SetFeaturePortPower: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.SetPortPower = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_SetFeaturePortEnable(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_SetFeaturePortEnable: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.SetPortEnable = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_SetFeaturePortSuspend(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_SetFeaturePortSuspend: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.SetPortSuspend = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_ClearFeaturePortEnable(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_ClearFeaturePortEnable: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.ClearPortEnable = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_ClearFeaturePortPower(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_ClearFeaturePortPower: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.ClearPortPower = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_ClearFeaturePortSuspend(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_ClearFeaturePortSuspend: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.ClearSuspendStatus = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_ClearFeaturePortEnableChange(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_ClearFeaturePortEnableChange: ohciExtension - %p, Port - %x\n",
|
|
ohciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.PortEnableStatusChange = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_ClearFeaturePortConnectChange(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_ClearFeaturePortConnectChange: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.ConnectStatusChange = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_ClearFeaturePortResetChange(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_ClearFeaturePortResetChange: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.PortResetStatusChange = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_ClearFeaturePortSuspendChange(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_ClearFeaturePortSuspendChange: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
ASSERT(Port > 0);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.PortSuspendStatusChange = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
OHCI_RH_ClearFeaturePortOvercurrentChange(IN PVOID ohciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
POHCI_EXTENSION OhciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG PortStatusReg;
|
|
PULONG RhStatusReg;
|
|
OHCI_REG_RH_PORT_STATUS PortStatus;
|
|
OHCI_REG_RH_STATUS RhStatus;
|
|
|
|
OhciExtension = ohciExtension;
|
|
|
|
DPRINT("OHCI_RH_ClearFeaturePortOvercurrentChange: OhciExtension - %p, Port - %x\n",
|
|
OhciExtension,
|
|
Port);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
|
|
if (Port)
|
|
{
|
|
/* USBPORT_RECIPIENT_PORT */
|
|
PortStatus.AsULONG = 0;
|
|
PortStatus.PortOverCurrentIndicatorChange = 1;
|
|
|
|
PortStatusReg = (PULONG)&OperationalRegs->HcRhPortStatus[Port-1];
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortStatus.AsULONG);
|
|
}
|
|
else
|
|
{
|
|
/* USBPORT_RECIPIENT_HUB */
|
|
RhStatus.AsULONG = 0;
|
|
RhStatus.OverCurrentIndicatorChangeW = 1;
|
|
|
|
RhStatusReg = (PULONG)&OperationalRegs->HcRhStatus;
|
|
WRITE_REGISTER_ULONG(RhStatusReg, RhStatus.AsULONG);
|
|
}
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
OHCI_RH_DisableIrq(IN PVOID ohciExtension)
|
|
{
|
|
POHCI_EXTENSION OhciExtension = ohciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG InterruptDisableReg;
|
|
OHCI_REG_INTERRUPT_ENABLE_DISABLE InterruptDisable;
|
|
|
|
DPRINT("OHCI_RH_DisableIrq: OhciExtension - %p\n", OhciExtension);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
InterruptDisableReg = (PULONG)&OperationalRegs->HcInterruptDisable;
|
|
|
|
InterruptDisable.AsULONG = 0;
|
|
InterruptDisable.RootHubStatusChange = 1;
|
|
|
|
WRITE_REGISTER_ULONG(InterruptDisableReg, InterruptDisable.AsULONG);
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
OHCI_RH_EnableIrq(IN PVOID ohciExtension)
|
|
{
|
|
POHCI_EXTENSION OhciExtension = ohciExtension;
|
|
POHCI_OPERATIONAL_REGISTERS OperationalRegs;
|
|
PULONG InterruptEnableReg;
|
|
OHCI_REG_INTERRUPT_ENABLE_DISABLE InterruptEnable;
|
|
|
|
DPRINT("OHCI_RH_EnableIrq: OhciExtension - %p\n", OhciExtension);
|
|
|
|
OperationalRegs = OhciExtension->OperationalRegs;
|
|
InterruptEnableReg = (PULONG)&OperationalRegs->HcInterruptEnable;
|
|
|
|
InterruptEnable.AsULONG = 0;
|
|
InterruptEnable.RootHubStatusChange = 1;
|
|
|
|
WRITE_REGISTER_ULONG(InterruptEnableReg, InterruptEnable.AsULONG);
|
|
}
|