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/*++
Copyright (c) Microsoft Corporation. All rights reserved.
Module Name:
UcmCallbacks.cpp
Abstract:
Interface for callbacks from UcmCx.
Environment:
Kernel-mode only.
--*/
#include "Pch.h"
#include "UcmCallbacks.tmh"
#pragma alloc_text(PAGE, Ucm_EvtConnectorSetDataRole)
#pragma alloc_text(PAGE, Ucm_EvtConnectorSetPowerRole)
NTSTATUS
Ucm_EvtConnectorSetDataRole(
_In_ UCMCONNECTOR Connector,
_In_ UCM_DATA_ROLE DataRole
)
/*++
Routine Description:
Set the power role on a given connector. This may require performing
a data role swap.
Arguments:
Connector - The connector on which to set the power role.
DataRole - The data role to set on the connector.
Returns:
NTSTATUS
--*/
{
NTSTATUS status;
WDFDEVICE device;
PPPM_CONNECTOR connector;
PPPM_CONTEXT ppmCtx;
UCSI_USB_OPERATION_ROLE role;
UCSI_CONTROL cmd;
PAGED_CODE();
TRACE_FUNC_ENTRY(TRACE_FLAG_UCMCALLBACKS);
connector = PpmUcmConnector_GetContext(Connector)->PpmConnector;
device = connector->WdfDevice;
ppmCtx = &Fdo_GetContext(device)->PpmCtx;
TRACE_INFO(TRACE_FLAG_UCMCALLBACKS, "[Device: 0x%p] Data role change to %!UCM_DATA_ROLE! requested", device, DataRole);
if (!Convert(DataRole, role))
{
status = STATUS_INVALID_PARAMETER;
TRACE_ERROR(TRACE_FLAG_UCMCALLBACKS, "[Device: 0x%p] Invalid data role requested %!UCM_DATA_ROLE!", device, DataRole);
goto Exit;
}
cmd.AsUInt64 = 0;
cmd.Command = UcsiCommandSetUor;
cmd.SetUor.ConnectorNumber = connector->Index;
cmd.SetUor.UsbOperationRole = role;
status = Ppm_SendCommand(ppmCtx, cmd, Ucm_EvtSetDataRoleCompleted, ppmCtx);
if (!NT_SUCCESS(status))
{
goto Exit;
}
Exit:
TRACE_FUNC_EXIT(TRACE_FLAG_UCMCALLBACKS);
return status;
}
NTSTATUS
Ucm_EvtConnectorSetPowerRole(
_In_ UCMCONNECTOR Connector,
_In_ UCM_POWER_ROLE PowerRole
)
/*++
Routine Description:
Set the power role on a given connector. This may require performing
a power role swap.
Arguments:
Connector - The connector on which to set the power role.
PowerRole - The power role to set on the connector.
Returns:
NTSTATUS
--*/
{
NTSTATUS status;
WDFDEVICE device;
PPPM_CONNECTOR connector;
PPPM_CONTEXT ppmCtx;
UCSI_POWER_DIRECTION_ROLE role;
UCSI_CONTROL cmd;
PAGED_CODE();
TRACE_FUNC_ENTRY(TRACE_FLAG_UCMCALLBACKS);
connector = PpmUcmConnector_GetContext(Connector)->PpmConnector;
device = connector->WdfDevice;
ppmCtx = &Fdo_GetContext(device)->PpmCtx;
TRACE_INFO(TRACE_FLAG_UCMCALLBACKS, "[Device: 0x%p] Power role change to %!UCM_POWER_ROLE! requested", device, PowerRole);
if (!Convert(PowerRole, role))
{
status = STATUS_INVALID_PARAMETER;
TRACE_ERROR(TRACE_FLAG_UCMCALLBACKS, "[Device: 0x%p] Invalid power role requested %!UCM_POWER_ROLE!", device, PowerRole);
goto Exit;
}
cmd.AsUInt64 = 0;
cmd.Command = UcsiCommandSetPdr;
cmd.SetPdr.ConnectorNumber = connector->Index;
cmd.SetPdr.PowerDirectionRole = role;
status = Ppm_SendCommand(ppmCtx, cmd, Ucm_EvtSetPowerRoleCompleted, ppmCtx);
if (!NT_SUCCESS(status))
{
goto Exit;
}
Exit:
TRACE_FUNC_EXIT(TRACE_FLAG_UCMCALLBACKS);
return status;
}
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