mirror of
https://github.com/reactos/reactos.git
synced 2024-11-07 15:10:53 +00:00
389 lines
12 KiB
C
389 lines
12 KiB
C
/*
|
|
* VideoPort driver
|
|
*
|
|
* Copyright (C) 2012 ReactOS Team
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include "videoprt.h"
|
|
#include <stdio.h>
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* PRIVATE FUNCTIONS **********************************************************/
|
|
|
|
BOOLEAN
|
|
NTAPI
|
|
IntVideoPortGetMonitorId(
|
|
IN PVIDEO_PORT_CHILD_EXTENSION ChildExtension,
|
|
IN OUT PWCHAR Buffer)
|
|
{
|
|
USHORT Manufacturer, Model;
|
|
|
|
/* This must be valid to call this function */
|
|
ASSERT(ChildExtension->EdidValid);
|
|
|
|
/* 3 letters 5-bit ANSI manufacturer code (big endian) */
|
|
/* Letters encoded as A=1 to Z=26 */
|
|
Manufacturer = *(PUSHORT)(&ChildExtension->ChildDescriptor[8]);
|
|
|
|
/* Model number (16-bit little endian) */
|
|
Model = *(PUSHORT)(&ChildExtension->ChildDescriptor[10]);
|
|
|
|
/* Convert the Monitor ID to a readable form */
|
|
swprintf(Buffer,
|
|
L"%C%C%C%04hx",
|
|
(WCHAR)((Manufacturer >> 10 & 0x001F) + 'A' - 1),
|
|
(WCHAR)((Manufacturer >> 5 & 0x001F) + 'A' - 1),
|
|
(WCHAR)((Manufacturer & 0x001F) + 'A' - 1),
|
|
Model);
|
|
|
|
/* And we're done */
|
|
return TRUE;
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
IntVideoPortChildQueryId(
|
|
IN PVIDEO_PORT_CHILD_EXTENSION ChildExtension,
|
|
IN PIRP Irp,
|
|
IN PIO_STACK_LOCATION IrpSp)
|
|
{
|
|
PWCHAR Buffer = NULL, StaticBuffer;
|
|
UNICODE_STRING UnicodeStr;
|
|
|
|
switch (IrpSp->Parameters.QueryId.IdType)
|
|
{
|
|
case BusQueryDeviceID:
|
|
switch (ChildExtension->ChildType)
|
|
{
|
|
case Monitor:
|
|
if (ChildExtension->EdidValid)
|
|
{
|
|
StaticBuffer = L"DISPLAY\\";
|
|
Buffer = ExAllocatePool(PagedPool, (wcslen(StaticBuffer) + 8) * sizeof(WCHAR));
|
|
if (!Buffer) return STATUS_NO_MEMORY;
|
|
|
|
/* Write the static portion */
|
|
RtlCopyMemory(Buffer, StaticBuffer, wcslen(StaticBuffer) * sizeof(WCHAR));
|
|
|
|
/* Add the dynamic portion */
|
|
IntVideoPortGetMonitorId(ChildExtension,
|
|
&Buffer[wcslen(StaticBuffer)]);
|
|
}
|
|
else
|
|
{
|
|
StaticBuffer = L"DISPLAY\\Default_Monitor";
|
|
Buffer = ExAllocatePool(PagedPool, (wcslen(StaticBuffer) + 1) * sizeof(WCHAR));
|
|
if (!Buffer) return STATUS_NO_MEMORY;
|
|
|
|
/* Copy the default id */
|
|
RtlCopyMemory(Buffer, StaticBuffer, (wcslen(StaticBuffer) + 1) * sizeof(WCHAR));
|
|
}
|
|
break;
|
|
default:
|
|
ASSERT(FALSE);
|
|
break;
|
|
}
|
|
break;
|
|
case BusQueryInstanceID:
|
|
Buffer = ExAllocatePool(PagedPool, 5 * sizeof(WCHAR));
|
|
if (!Buffer) return STATUS_NO_MEMORY;
|
|
|
|
UnicodeStr.Buffer = Buffer;
|
|
UnicodeStr.Length = 0;
|
|
UnicodeStr.MaximumLength = 4 * sizeof(WCHAR);
|
|
RtlIntegerToUnicodeString(ChildExtension->ChildId, 16, &UnicodeStr);
|
|
break;
|
|
case BusQueryHardwareIDs:
|
|
switch (ChildExtension->ChildType)
|
|
{
|
|
case Monitor:
|
|
if (ChildExtension->EdidValid)
|
|
{
|
|
StaticBuffer = L"MONITOR\\";
|
|
Buffer = ExAllocatePool(PagedPool, (wcslen(StaticBuffer) + 9) * sizeof(WCHAR));
|
|
if (!Buffer) return STATUS_NO_MEMORY;
|
|
|
|
/* Write the static portion */
|
|
RtlCopyMemory(Buffer, StaticBuffer, wcslen(StaticBuffer) * sizeof(WCHAR));
|
|
|
|
/* Add the dynamic portion */
|
|
IntVideoPortGetMonitorId(ChildExtension,
|
|
&Buffer[wcslen(StaticBuffer)]);
|
|
|
|
/* Add the second null termination char */
|
|
Buffer[wcslen(StaticBuffer) + 8] = UNICODE_NULL;
|
|
}
|
|
else
|
|
{
|
|
StaticBuffer = L"MONITOR\\Default_Monitor";
|
|
Buffer = ExAllocatePool(PagedPool, (wcslen(StaticBuffer) + 2) * sizeof(WCHAR));
|
|
if (!Buffer) return STATUS_NO_MEMORY;
|
|
|
|
/* Copy the default id */
|
|
RtlCopyMemory(Buffer, StaticBuffer, (wcslen(StaticBuffer) + 1) * sizeof(WCHAR));
|
|
|
|
/* Add the second null terminator */
|
|
Buffer[wcslen(StaticBuffer) + 1] = UNICODE_NULL;
|
|
}
|
|
break;
|
|
default:
|
|
ASSERT(FALSE);
|
|
break;
|
|
}
|
|
break;
|
|
case BusQueryCompatibleIDs:
|
|
switch (ChildExtension->ChildType)
|
|
{
|
|
case Monitor:
|
|
if (ChildExtension->EdidValid)
|
|
{
|
|
StaticBuffer = L"*PNP09FF";
|
|
Buffer = ExAllocatePool(PagedPool, (wcslen(StaticBuffer) + 2) * sizeof(WCHAR));
|
|
if (!Buffer) return STATUS_NO_MEMORY;
|
|
|
|
RtlCopyMemory(Buffer, StaticBuffer, (wcslen(StaticBuffer) + 1) * sizeof(WCHAR));
|
|
|
|
Buffer[wcslen(StaticBuffer)+1] = UNICODE_NULL;
|
|
}
|
|
else
|
|
{
|
|
/* No PNP ID for non-PnP monitors */
|
|
return Irp->IoStatus.Status;
|
|
}
|
|
break;
|
|
default:
|
|
ASSERT(FALSE);
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
return Irp->IoStatus.Status;
|
|
}
|
|
|
|
INFO_(VIDEOPRT, "Reporting ID: %S\n", Buffer);
|
|
Irp->IoStatus.Information = (ULONG_PTR)Buffer;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
IntVideoPortChildQueryText(
|
|
IN PVIDEO_PORT_CHILD_EXTENSION ChildExtension,
|
|
IN PIRP Irp,
|
|
IN PIO_STACK_LOCATION IrpSp)
|
|
{
|
|
PWCHAR Buffer, StaticBuffer;
|
|
|
|
if (IrpSp->Parameters.QueryDeviceText.DeviceTextType != DeviceTextDescription)
|
|
return Irp->IoStatus.Status;
|
|
|
|
switch (ChildExtension->ChildType)
|
|
{
|
|
case Monitor:
|
|
/* FIXME: We can return a better description I think */
|
|
StaticBuffer = L"Monitor";
|
|
break;
|
|
|
|
case VideoChip:
|
|
/* FIXME: No idea what we return here */
|
|
StaticBuffer = L"Video chip";
|
|
break;
|
|
|
|
default: /* Other */
|
|
StaticBuffer = L"Other device";
|
|
break;
|
|
}
|
|
|
|
Buffer = ExAllocatePool(PagedPool, (wcslen(StaticBuffer) + 1) * sizeof(WCHAR));
|
|
if (!Buffer) return STATUS_NO_MEMORY;
|
|
|
|
RtlCopyMemory(Buffer, StaticBuffer, (wcslen(StaticBuffer) + 1) * sizeof(WCHAR));
|
|
|
|
INFO_(VIDEOPRT, "Reporting description: %S\n", Buffer);
|
|
Irp->IoStatus.Information = (ULONG_PTR)Buffer;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
IntVideoPortChildQueryRelations(
|
|
IN PVIDEO_PORT_CHILD_EXTENSION ChildExtension,
|
|
IN PIRP Irp,
|
|
IN PIO_STACK_LOCATION IrpSp)
|
|
{
|
|
PDEVICE_RELATIONS DeviceRelations;
|
|
|
|
if (IrpSp->Parameters.QueryDeviceRelations.Type != TargetDeviceRelation)
|
|
{
|
|
WARN_(VIDEOPRT, "Unsupported device relations type\n");
|
|
return Irp->IoStatus.Status;
|
|
}
|
|
|
|
DeviceRelations = ExAllocatePool(NonPagedPool, sizeof(DEVICE_RELATIONS));
|
|
if (!DeviceRelations) return STATUS_NO_MEMORY;
|
|
|
|
DeviceRelations->Count = 1;
|
|
DeviceRelations->Objects[0] = ChildExtension->PhysicalDeviceObject;
|
|
|
|
ObReferenceObject(DeviceRelations->Objects[0]);
|
|
|
|
Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
IntVideoPortChildQueryCapabilities(
|
|
IN PVIDEO_PORT_CHILD_EXTENSION ChildExtension,
|
|
IN PIRP Irp,
|
|
IN PIO_STACK_LOCATION IrpSp)
|
|
{
|
|
PDEVICE_CAPABILITIES DeviceCaps = IrpSp->Parameters.DeviceCapabilities.Capabilities;
|
|
ULONG i;
|
|
|
|
/* Set some values */
|
|
DeviceCaps->LockSupported = FALSE;
|
|
DeviceCaps->EjectSupported = FALSE;
|
|
DeviceCaps->DockDevice = FALSE;
|
|
DeviceCaps->UniqueID = FALSE;
|
|
DeviceCaps->RawDeviceOK = FALSE;
|
|
DeviceCaps->WakeFromD0 = FALSE;
|
|
DeviceCaps->WakeFromD1 = FALSE;
|
|
DeviceCaps->WakeFromD2 = FALSE;
|
|
DeviceCaps->WakeFromD3 = FALSE;
|
|
DeviceCaps->HardwareDisabled = FALSE;
|
|
DeviceCaps->NoDisplayInUI = FALSE;
|
|
|
|
/* Address and UI number are set by default */
|
|
|
|
DeviceCaps->DeviceState[PowerSystemWorking] = PowerDeviceD0;
|
|
for (i = 1; i < POWER_SYSTEM_MAXIMUM; i++)
|
|
{
|
|
DeviceCaps->DeviceState[i] = PowerDeviceD3;
|
|
}
|
|
|
|
DeviceCaps->SystemWake = PowerSystemUnspecified;
|
|
DeviceCaps->DeviceWake = PowerDeviceUnspecified;
|
|
|
|
/* FIXME: Device power states */
|
|
DeviceCaps->DeviceD1 = FALSE;
|
|
DeviceCaps->DeviceD2 = FALSE;
|
|
DeviceCaps->D1Latency = 0;
|
|
DeviceCaps->D2Latency = 0;
|
|
DeviceCaps->D3Latency = 0;
|
|
|
|
switch (ChildExtension->ChildType)
|
|
{
|
|
case VideoChip:
|
|
/* FIXME: Copy capabilities from parent */
|
|
ASSERT(FALSE);
|
|
break;
|
|
|
|
case NonPrimaryChip: /* Reserved */
|
|
ASSERT(FALSE);
|
|
break;
|
|
|
|
case Monitor:
|
|
DeviceCaps->SilentInstall = TRUE;
|
|
DeviceCaps->Removable = TRUE;
|
|
DeviceCaps->SurpriseRemovalOK = TRUE;
|
|
break;
|
|
|
|
default: /* Other */
|
|
DeviceCaps->SilentInstall = FALSE;
|
|
DeviceCaps->Removable = FALSE;
|
|
DeviceCaps->SurpriseRemovalOK = FALSE;
|
|
break;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
NTSTATUS NTAPI
|
|
IntVideoPortDispatchPdoPnp(
|
|
IN PDEVICE_OBJECT DeviceObject,
|
|
IN PIRP Irp)
|
|
{
|
|
PIO_STACK_LOCATION IrpSp;
|
|
NTSTATUS Status = Irp->IoStatus.Status;
|
|
|
|
IrpSp = IoGetCurrentIrpStackLocation(Irp);
|
|
|
|
switch (IrpSp->MinorFunction)
|
|
{
|
|
case IRP_MN_START_DEVICE:
|
|
case IRP_MN_STOP_DEVICE:
|
|
/* Nothing to do */
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case IRP_MN_QUERY_RESOURCES:
|
|
case IRP_MN_QUERY_RESOURCE_REQUIREMENTS:
|
|
/* None (keep old status) */
|
|
break;
|
|
|
|
case IRP_MN_QUERY_ID:
|
|
/* Call our helper */
|
|
Status = IntVideoPortChildQueryId(DeviceObject->DeviceExtension,
|
|
Irp,
|
|
IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_CAPABILITIES:
|
|
/* Call our helper */
|
|
Status = IntVideoPortChildQueryCapabilities(DeviceObject->DeviceExtension,
|
|
Irp,
|
|
IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_SURPRISE_REMOVAL:
|
|
case IRP_MN_QUERY_REMOVE_DEVICE:
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case IRP_MN_REMOVE_DEVICE:
|
|
Irp->IoStatus.Status = STATUS_SUCCESS;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
IoDeleteDevice(DeviceObject);
|
|
return STATUS_SUCCESS;
|
|
|
|
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
|
/* Call our helper */
|
|
Status = IntVideoPortChildQueryRelations(DeviceObject->DeviceExtension,
|
|
Irp,
|
|
IrpSp);
|
|
break;
|
|
|
|
case IRP_MN_QUERY_DEVICE_TEXT:
|
|
/* Call our helper */
|
|
Status = IntVideoPortChildQueryText(DeviceObject->DeviceExtension,
|
|
Irp,
|
|
IrpSp);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
Irp->IoStatus.Status = Status;
|
|
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
|
|
return Status;
|
|
}
|