mirror of
https://github.com/reactos/reactos.git
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feae6fbc64
Reviewed-by: Victor Perevertkin <victor.perevertkin@reactos.org> Reviewed-by: Thomas Faber <thomas.faber@reactos.org>
710 lines
20 KiB
C
710 lines
20 KiB
C
/*
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* PROJECT: ReactOS USB EHCI Miniport Driver
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: USBEHCI root hub functions
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* COPYRIGHT: Copyright 2017-2018 Vadim Galyant <vgal@rambler.ru>
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*/
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#include "usbehci.h"
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#define NDEBUG
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#include <debug.h>
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#define NDEBUG_EHCI_ROOT_HUB
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#include "dbg_ehci.h"
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MPSTATUS
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NTAPI
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EHCI_RH_ChirpRootPort(IN PVOID ehciExtension,
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IN USHORT Port)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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ULONG PortBit;
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ULONG ix;
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DPRINT_RH("EHCI_RH_ChirpRootPort: Port - %x\n", Port);
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ASSERT(Port != 0);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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DPRINT_RH("EHCI_RH_ChirpRootPort: PortSC - %X\n", PortSC.AsULONG);
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PortBit = 1 << (Port - 1);
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if (PortBit & EhciExtension->ResetPortBits)
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{
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DPRINT_RH("EHCI_RH_ChirpRootPort: Skip port - %x\n", Port);
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return MP_STATUS_SUCCESS;
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}
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if (PortSC.PortPower == 0)
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{
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DPRINT_RH("EHCI_RH_ChirpRootPort: Skip port - %x\n", Port);
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return MP_STATUS_SUCCESS;
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}
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if (PortSC.CurrentConnectStatus == 0 ||
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PortSC.PortEnabledDisabled == 1 ||
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PortSC.PortOwner == EHCI_PORT_OWNER_COMPANION_CONTROLLER)
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{
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DPRINT_RH("EHCI_RH_ChirpRootPort: No port - %x\n", Port);
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return MP_STATUS_SUCCESS;
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}
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if (PortSC.LineStatus == EHCI_LINE_STATUS_K_STATE_LOW_SPEED &&
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PortSC.Suspend == 0 &&
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PortSC.CurrentConnectStatus == 1)
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{
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/* Attached device is not a high-speed device.
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Release ownership of the port to a selected HC.
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Companion HC owns and controls the port. Section 4.2 */
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PortSC.PortOwner = EHCI_PORT_OWNER_COMPANION_CONTROLLER;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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DPRINT_RH("EHCI_RH_ChirpRootPort: Companion HC port - %x\n", Port);
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return MP_STATUS_SUCCESS;
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}
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DPRINT("EHCI_RH_ChirpRootPort: EhciExtension - %p, Port - %x\n",
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EhciExtension,
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Port);
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PortSC.PortEnabledDisabled = 0;
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PortSC.PortReset = 1;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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RegPacket.UsbPortWait(EhciExtension, 10);
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do
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{
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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PortSC.ConnectStatusChange = 0;
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PortSC.PortEnableDisableChange = 0;
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PortSC.OverCurrentChange = 0;
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PortSC.PortReset = 0;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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for (ix = 0; ix <= 500; ix += 20)
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{
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KeStallExecutionProcessor(20);
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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DPRINT_RH("EHCI_RH_ChirpRootPort: Reset port - %x\n", Port);
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if (PortSC.PortReset == 0)
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break;
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}
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}
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while (PortSC.PortReset == 1);
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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if (PortSC.PortEnabledDisabled == 1)
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{
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PortSC.ConnectStatusChange = 0;
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PortSC.PortEnabledDisabled = 0;
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PortSC.PortEnableDisableChange = 0;
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PortSC.OverCurrentChange = 0;
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RegPacket.UsbPortWait(EhciExtension, 10);
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EhciExtension->ResetPortBits |= PortBit;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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DPRINT_RH("EHCI_RH_ChirpRootPort: Disable port - %x\n", Port);
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}
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else
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{
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PortSC.PortOwner = EHCI_PORT_OWNER_COMPANION_CONTROLLER;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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DPRINT_RH("EHCI_RH_ChirpRootPort: Companion HC port - %x\n", Port);
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}
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return MP_STATUS_SUCCESS;
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}
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VOID
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NTAPI
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EHCI_RH_GetRootHubData(IN PVOID ehciExtension,
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IN PVOID rootHubData)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PUSBPORT_ROOT_HUB_DATA RootHubData;
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USBPORT_HUB_20_CHARACTERISTICS HubCharacteristics;
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DPRINT_RH("EHCI_RH_GetRootHubData: EhciExtension - %p, rootHubData - %p\n",
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EhciExtension,
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rootHubData);
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RootHubData = rootHubData;
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RootHubData->NumberOfPorts = EhciExtension->NumberOfPorts;
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HubCharacteristics.AsUSHORT = 0;
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/* Logical Power Switching Mode */
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if (EhciExtension->PortPowerControl == 1)
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{
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/* Individual port power switching */
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HubCharacteristics.PowerControlMode = 1;
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}
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else
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{
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/* Ganged power switching (all ports' power at once) */
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HubCharacteristics.PowerControlMode = 0;
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}
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HubCharacteristics.NoPowerSwitching = 0;
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/* EHCI RH is not part of a compound device */
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HubCharacteristics.PartOfCompoundDevice = 0;
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/* Global Over-current Protection */
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HubCharacteristics.OverCurrentProtectionMode = 0;
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RootHubData->HubCharacteristics.Usb20HubCharacteristics = HubCharacteristics;
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RootHubData->PowerOnToPowerGood = 2; // Time (in 2 ms intervals)
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RootHubData->HubControlCurrent = 0;
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}
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MPSTATUS
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NTAPI
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EHCI_RH_GetStatus(IN PVOID ehciExtension,
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IN PUSHORT Status)
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{
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DPRINT_RH("EHCI_RH_GetStatus: ... \n");
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*Status = USB_GETSTATUS_SELF_POWERED;
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return MP_STATUS_SUCCESS;
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}
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MPSTATUS
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NTAPI
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EHCI_RH_GetPortStatus(IN PVOID ehciExtension,
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IN USHORT Port,
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IN PUSB_PORT_STATUS_AND_CHANGE PortStatus)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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USB_PORT_STATUS_AND_CHANGE status;
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ULONG PortMaskBits;
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ASSERT(Port != 0);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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if (PortSC.CurrentConnectStatus)
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{
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DPRINT_RH("EHCI_RH_GetPortStatus: Port - %x, PortSC.AsULONG - %X\n",
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Port,
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PortSC.AsULONG);
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}
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PortStatus->AsUlong32 = 0;
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if (PortSC.LineStatus == EHCI_LINE_STATUS_K_STATE_LOW_SPEED &&
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PortSC.PortOwner != EHCI_PORT_OWNER_COMPANION_CONTROLLER &&
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(PortSC.PortEnabledDisabled | PortSC.Suspend) && // Enable or Suspend
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PortSC.CurrentConnectStatus == 1) // Device is present
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{
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DPRINT("EHCI_RH_GetPortStatus: LowSpeed device detected\n");
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PortSC.PortOwner = EHCI_PORT_OWNER_COMPANION_CONTROLLER; // release ownership
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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return MP_STATUS_SUCCESS;
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}
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status.AsUlong32 = 0;
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status.PortStatus.Usb20PortStatus.CurrentConnectStatus = PortSC.CurrentConnectStatus;
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status.PortStatus.Usb20PortStatus.PortEnabledDisabled = PortSC.PortEnabledDisabled;
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status.PortStatus.Usb20PortStatus.Suspend = PortSC.Suspend;
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status.PortStatus.Usb20PortStatus.OverCurrent = PortSC.OverCurrentActive;
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status.PortStatus.Usb20PortStatus.Reset = PortSC.PortReset;
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status.PortStatus.Usb20PortStatus.PortPower = PortSC.PortPower;
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if (PortSC.PortOwner == EHCI_PORT_OWNER_COMPANION_CONTROLLER)
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status.PortStatus.Usb20PortStatus.Reserved1 = USB20_PORT_STATUS_RESERVED1_OWNED_BY_COMPANION;
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status.PortChange.Usb20PortChange.PortEnableDisableChange = PortSC.PortEnableDisableChange;
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status.PortChange.Usb20PortChange.OverCurrentIndicatorChange = PortSC.OverCurrentChange;
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PortMaskBits = 1 << (Port - 1);
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if (status.PortStatus.Usb20PortStatus.CurrentConnectStatus)
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status.PortStatus.Usb20PortStatus.LowSpeedDeviceAttached = 0;
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status.PortStatus.Usb20PortStatus.HighSpeedDeviceAttached = 1;
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if (PortSC.ConnectStatusChange)
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EhciExtension->ConnectPortBits |= PortMaskBits;
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if (EhciExtension->FinishResetPortBits & PortMaskBits)
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status.PortChange.Usb20PortChange.ResetChange = 1;
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if (EhciExtension->ConnectPortBits & PortMaskBits)
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status.PortChange.Usb20PortChange.ConnectStatusChange = 1;
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if (EhciExtension->SuspendPortBits & PortMaskBits)
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status.PortChange.Usb20PortChange.SuspendChange = 1;
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*PortStatus = status;
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if (status.PortStatus.Usb20PortStatus.CurrentConnectStatus)
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{
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DPRINT_RH("EHCI_RH_GetPortStatus: Port - %x, status.AsULONG - %X\n",
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Port,
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status.AsUlong32);
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}
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return MP_STATUS_SUCCESS;
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}
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MPSTATUS
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NTAPI
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EHCI_RH_GetHubStatus(IN PVOID ehciExtension,
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IN PUSB_HUB_STATUS_AND_CHANGE HubStatus)
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{
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DPRINT_RH("EHCI_RH_GetHubStatus: ... \n");
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HubStatus->AsUlong32 = 0;
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return MP_STATUS_SUCCESS;
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}
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VOID
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NTAPI
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EHCI_RH_FinishReset(IN PVOID ehciExtension,
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IN PVOID Context)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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PUSHORT Port = Context;
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DPRINT("EHCI_RH_FinishReset: *Port - %x\n", *Port);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[*Port - 1].AsULONG;
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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if (PortSC.AsULONG != -1)
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{
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if (!PortSC.CurrentConnectStatus)
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DPRINT("EHCI_RH_FinishReset: PortSC.AsULONG - %X\n", PortSC.AsULONG);
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if (PortSC.PortEnabledDisabled ||
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!PortSC.CurrentConnectStatus ||
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PortSC.ConnectStatusChange)
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{
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EhciExtension->FinishResetPortBits |= (1 << (*Port - 1));
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RegPacket.UsbPortInvalidateRootHub(EhciExtension);
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}
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else
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{
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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PortSC.PortOwner = EHCI_PORT_OWNER_COMPANION_CONTROLLER;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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EhciExtension->FinishResetPortBits |= (1 << (*Port - 1));
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}
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EhciExtension->ResetPortBits &= ~(1 << (*Port - 1));
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}
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}
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VOID
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NTAPI
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EHCI_RH_PortResetComplete(IN PVOID ehciExtension,
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IN PVOID Context)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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ULONG ix;
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PUSHORT Port = Context;
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DPRINT("EHCI_RH_PortResetComplete: *Port - %x\n", *Port);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[*Port - 1].AsULONG;
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do
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{
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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PortSC.ConnectStatusChange = 0;
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PortSC.PortEnableDisableChange = 0;
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PortSC.OverCurrentChange = 0;
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PortSC.PortReset = 0;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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for (ix = 0; ix <= 500; ix += 20)
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{
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KeStallExecutionProcessor(20);
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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DPRINT("EHCI_RH_PortResetComplete: Reset port - %x\n", Port);
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if (PortSC.PortReset == 0)
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break;
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}
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}
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while (PortSC.PortReset == 1 && (PortSC.AsULONG != -1));
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RegPacket.UsbPortRequestAsyncCallback(EhciExtension,
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50, // TimerValue
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Port,
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sizeof(*Port),
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EHCI_RH_FinishReset);
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}
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MPSTATUS
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NTAPI
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EHCI_RH_SetFeaturePortReset(IN PVOID ehciExtension,
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IN USHORT Port)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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DPRINT("EHCI_RH_SetFeaturePortReset: Port - %x\n", Port);
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ASSERT(Port != 0);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
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EhciExtension->ResetPortBits |= 1 << (Port - 1);
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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PortSC.ConnectStatusChange = 0;
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PortSC.PortEnabledDisabled = 0;
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PortSC.PortEnableDisableChange = 0;
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PortSC.OverCurrentChange = 0;
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PortSC.PortReset = 1;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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RegPacket.UsbPortRequestAsyncCallback(EhciExtension,
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50, // TimerValue
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&Port,
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sizeof(Port),
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EHCI_RH_PortResetComplete);
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return MP_STATUS_SUCCESS;
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}
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MPSTATUS
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NTAPI
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EHCI_RH_SetFeaturePortPower(IN PVOID ehciExtension,
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IN USHORT Port)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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DPRINT_RH("EHCI_RH_SetFeaturePortPower: Port - %x\n", Port);
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ASSERT(Port != 0);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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PortSC.ConnectStatusChange = 0;
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PortSC.PortEnableDisableChange = 0;
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PortSC.OverCurrentChange = 0;
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PortSC.PortPower = 1;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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return MP_STATUS_SUCCESS;
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}
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MPSTATUS
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NTAPI
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EHCI_RH_SetFeaturePortEnable(IN PVOID ehciExtension,
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IN USHORT Port)
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{
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DPRINT_RH("EHCI_RH_SetFeaturePortEnable: Not supported\n");
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ASSERT(Port != 0);
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return MP_STATUS_SUCCESS;
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}
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MPSTATUS
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NTAPI
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EHCI_RH_SetFeaturePortSuspend(IN PVOID ehciExtension,
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IN USHORT Port)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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DPRINT("EHCI_RH_SetFeaturePortSuspend: Port - %x\n", Port);
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ASSERT(Port != 0);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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PortSC.ConnectStatusChange = 0;
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PortSC.PortEnableDisableChange = 0;
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PortSC.OverCurrentChange = 0;
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PortSC.Suspend = 1;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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KeStallExecutionProcessor(125);
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return MP_STATUS_SUCCESS;
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}
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MPSTATUS
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NTAPI
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EHCI_RH_ClearFeaturePortEnable(IN PVOID ehciExtension,
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IN USHORT Port)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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DPRINT("EHCI_RH_ClearFeaturePortEnable: Port - %x\n", Port);
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ASSERT(Port != 0);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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PortSC.ConnectStatusChange = 0;
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PortSC.PortEnabledDisabled = 0;
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PortSC.PortEnableDisableChange = 0;
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PortSC.OverCurrentChange = 0;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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return MP_STATUS_SUCCESS;
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}
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MPSTATUS
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NTAPI
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EHCI_RH_ClearFeaturePortPower(IN PVOID ehciExtension,
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IN USHORT Port)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
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PULONG PortStatusReg;
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EHCI_PORT_STATUS_CONTROL PortSC;
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DPRINT("EHCI_RH_ClearFeaturePortPower: Port - %x\n", Port);
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ASSERT(Port != 0);
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PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
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PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
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PortSC.PortPower = 0;
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WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
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return MP_STATUS_SUCCESS;
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}
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VOID
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NTAPI
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EHCI_RH_PortResumeComplete(IN PVOID ehciExtension,
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IN PVOID Context)
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{
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PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
PULONG PortStatusReg;
|
|
EHCI_PORT_STATUS_CONTROL PortSC;
|
|
PUSHORT Port = Context;
|
|
|
|
DPRINT("EHCI_RH_PortResumeComplete: *Port - %x\n", *Port);
|
|
ASSERT(Port != 0);
|
|
|
|
PortStatusReg = &EhciExtension->OperationalRegs->PortControl[*Port - 1].AsULONG;
|
|
|
|
PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
|
|
|
|
PortSC.ConnectStatusChange = 0;
|
|
PortSC.PortEnableDisableChange = 0;
|
|
PortSC.OverCurrentChange = 0;
|
|
PortSC.ForcePortResume = 0;
|
|
PortSC.Suspend = 0;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
|
|
READ_REGISTER_ULONG(PortStatusReg);
|
|
|
|
EhciExtension->SuspendPortBits |= 1 << (*Port - 1);
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
EHCI_RH_ClearFeaturePortSuspend(IN PVOID ehciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
PULONG PortStatusReg;
|
|
EHCI_PORT_STATUS_CONTROL PortSC;
|
|
|
|
DPRINT("EHCI_RH_ClearFeaturePortSuspend: Port - %x\n", Port);
|
|
ASSERT(Port != 0);
|
|
|
|
PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
|
|
EhciExtension->ResetPortBits |= 1 << (Port - 1);
|
|
|
|
PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
|
|
PortSC.ForcePortResume = 1;
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
|
|
|
|
RegPacket.UsbPortRequestAsyncCallback(EhciExtension,
|
|
50, // TimerValue
|
|
&Port,
|
|
sizeof(Port),
|
|
EHCI_RH_PortResumeComplete);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
EHCI_RH_ClearFeaturePortEnableChange(IN PVOID ehciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
PULONG PortStatusReg;
|
|
EHCI_PORT_STATUS_CONTROL PortSC;
|
|
|
|
DPRINT("EHCI_RH_ClearFeaturePortEnableChange: Port - %p\n", Port);
|
|
ASSERT(Port != 0);
|
|
|
|
PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
|
|
|
|
PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
|
|
|
|
PortSC.ConnectStatusChange = 0;
|
|
PortSC.OverCurrentChange = 0;
|
|
PortSC.PortEnableDisableChange = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
EHCI_RH_ClearFeaturePortConnectChange(IN PVOID ehciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
PULONG PortStatusReg;
|
|
EHCI_PORT_STATUS_CONTROL PortSC;
|
|
|
|
DPRINT_RH("EHCI_RH_ClearFeaturePortConnectChange: Port - %x\n", Port);
|
|
ASSERT(Port != 0);
|
|
|
|
PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
|
|
|
|
PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
|
|
|
|
if (PortSC.ConnectStatusChange)
|
|
{
|
|
PortSC.ConnectStatusChange = 1;
|
|
PortSC.PortEnableDisableChange = 0;
|
|
PortSC.OverCurrentChange = 0;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
|
|
}
|
|
|
|
EhciExtension->ConnectPortBits &= ~(1 << (Port - 1));
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
EHCI_RH_ClearFeaturePortResetChange(IN PVOID ehciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
|
|
DPRINT("EHCI_RH_ClearFeaturePortConnectChange: Port - %x\n", Port);
|
|
ASSERT(Port != 0);
|
|
|
|
EhciExtension->FinishResetPortBits &= ~(1 << (Port - 1));
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
EHCI_RH_ClearFeaturePortSuspendChange(IN PVOID ehciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
|
|
DPRINT("EHCI_RH_ClearFeaturePortSuspendChange: Port - %x\n", Port);
|
|
ASSERT(Port != 0);
|
|
|
|
EhciExtension->SuspendPortBits &= ~(1 << (Port - 1));
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
MPSTATUS
|
|
NTAPI
|
|
EHCI_RH_ClearFeaturePortOvercurrentChange(IN PVOID ehciExtension,
|
|
IN USHORT Port)
|
|
{
|
|
PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
PULONG PortStatusReg;
|
|
EHCI_PORT_STATUS_CONTROL PortSC;
|
|
|
|
DPRINT_RH("EHCI_RH_ClearFeaturePortOvercurrentChange: Port - %x\n", Port);
|
|
ASSERT(Port != 0);
|
|
|
|
PortStatusReg = &EhciExtension->OperationalRegs->PortControl[Port - 1].AsULONG;
|
|
|
|
PortSC.AsULONG = READ_REGISTER_ULONG(PortStatusReg);
|
|
|
|
PortSC.ConnectStatusChange = 0;
|
|
PortSC.PortEnableDisableChange = 0;
|
|
PortSC.OverCurrentChange = 1;
|
|
|
|
WRITE_REGISTER_ULONG(PortStatusReg, PortSC.AsULONG);
|
|
|
|
return MP_STATUS_SUCCESS;
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
EHCI_RH_DisableIrq(IN PVOID ehciExtension)
|
|
{
|
|
PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
PULONG IntrStsReg;
|
|
EHCI_INTERRUPT_ENABLE IntrSts;
|
|
|
|
DPRINT_RH("EHCI_RH_DisableIrq: ... \n");
|
|
|
|
IntrStsReg = &EhciExtension->OperationalRegs->HcInterruptEnable.AsULONG;
|
|
IntrSts.AsULONG = READ_REGISTER_ULONG(IntrStsReg);
|
|
|
|
EhciExtension->InterruptMask.PortChangeInterrupt = 0;
|
|
IntrSts.PortChangeInterrupt = 0;
|
|
|
|
if (IntrSts.Interrupt)
|
|
WRITE_REGISTER_ULONG(IntrStsReg, IntrSts.AsULONG);
|
|
}
|
|
|
|
VOID
|
|
NTAPI
|
|
EHCI_RH_EnableIrq(IN PVOID ehciExtension)
|
|
{
|
|
PEHCI_EXTENSION EhciExtension = ehciExtension;
|
|
PULONG IntrStsReg;
|
|
EHCI_INTERRUPT_ENABLE IntrSts;
|
|
|
|
DPRINT_RH("EHCI_RH_EnableIrq: ... \n");
|
|
|
|
IntrStsReg = &EhciExtension->OperationalRegs->HcInterruptEnable.AsULONG;
|
|
IntrSts.AsULONG = READ_REGISTER_ULONG(IntrStsReg);
|
|
|
|
EhciExtension->InterruptMask.PortChangeInterrupt = 1;
|
|
IntrSts.PortChangeInterrupt = 1;
|
|
|
|
if (IntrSts.Interrupt)
|
|
WRITE_REGISTER_ULONG(IntrStsReg, IntrSts.AsULONG);
|
|
}
|