reactos/drivers/usb/usbohci/roothub.c

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2018-09-08 08:12:39 +00:00
/*
* 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);
}