+++ /dev/null
-/*
- * 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"
-
-/* PRIVATE FUNCTIONS **********************************************************/
-
-BOOLEAN
-NTAPI
-IntVideoPortGetMonitorId(
- IN PVIDEO_PORT_CHILD_EXTENSION ChildExtension,
- IN OUT PWCHAR Buffer)
-{
- USHORT Manufacturer, Model;
- UNICODE_STRING UnicodeModelStr;
-
- /* This must be valid to call this function */
- ASSERT(ChildExtension->EdidValid);
-
- /* 3 letters 5-bit ANSI manufacturer code (big endian) */
- Manufacturer = *(PUSHORT)(&ChildExtension->ChildDescriptor[8]);
-
- /* Letters encoded as A=1 to Z=26 */
- Buffer[0] = (WCHAR)((Manufacturer & 0x7C00) + 'A' - 1);
- Buffer[1] = (WCHAR)((Manufacturer & 0x03E0) + 'A' - 1);
- Buffer[2] = (WCHAR)((Manufacturer & 0x001F) + 'A' - 1);
-
- /* Model number (16-bit little endian) */
- Model = *(PUSHORT)(&ChildExtension->ChildDescriptor[10]);
-
- /* Use Rtl helper for conversion */
- UnicodeModelStr.Buffer = &Buffer[3];
- UnicodeModelStr.Length = 0;
- UnicodeModelStr.MaximumLength = 4 * sizeof(WCHAR);
- RtlIntegerToUnicodeString(Model, 16, &UnicodeModelStr);
-
- /* Terminate it */
- Buffer[7] = UNICODE_NULL;
-
- /* 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;
- ULONG Length;
-
- switch (IrpSp->Parameters.QueryId.IdType)
- {
- case BusQueryDeviceID:
- switch (ChildExtension->ChildType)
- {
- case Monitor:
- if (ChildExtension->EdidValid)
- {
- StaticBuffer = L"DISPLAY\\";
- Length = 8 * sizeof(WCHAR);
- 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";
- Length = wcslen(StaticBuffer) * sizeof(WCHAR);
- 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\\";
- Length = 8 * sizeof(WCHAR);
- 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";
- Length = wcslen(StaticBuffer) * sizeof(WCHAR);
- 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;
-}
\ No newline at end of file
projects / reactos.git / blobdiff