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