--- /dev/null
+/*
+ * VideoPort driver
+ *
+ * Copyright (C) 2002, 2003, 2004 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 <ndk/inbvfuncs.h>
+#include <ndk/psfuncs.h>
+
+#define NDEBUG
+#include <debug.h>
+
+/* GLOBAL VARIABLES ***********************************************************/
+
+PVIDEO_PORT_DEVICE_EXTENSION ResetDisplayParametersDeviceExtension = NULL;
+PVIDEO_WIN32K_CALLOUT Win32kCallout;
+
+/* PRIVATE FUNCTIONS **********************************************************/
+
+/*
+ * Reset display to blue screen
+ */
+BOOLEAN
+NTAPI
+IntVideoPortResetDisplayParameters(ULONG Columns, ULONG Rows)
+{
+ PVIDEO_PORT_DRIVER_EXTENSION DriverExtension;
+
+ if (ResetDisplayParametersDeviceExtension == NULL)
+ return FALSE;
+
+ DriverExtension = ResetDisplayParametersDeviceExtension->DriverExtension;
+
+ if (DriverExtension->InitializationData.HwResetHw != NULL)
+ {
+ if (DriverExtension->InitializationData.HwResetHw(
+ &ResetDisplayParametersDeviceExtension->MiniPortDeviceExtension,
+ Columns, Rows))
+ {
+ ResetDisplayParametersDeviceExtension = NULL;
+ return TRUE;
+ }
+ }
+
+ ResetDisplayParametersDeviceExtension = NULL;
+ return FALSE;
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortAddDevice(
+ IN PDRIVER_OBJECT DriverObject,
+ IN PDEVICE_OBJECT PhysicalDeviceObject)
+{
+ PVIDEO_PORT_DRIVER_EXTENSION DriverExtension;
+ PDEVICE_OBJECT DeviceObject;
+ NTSTATUS Status;
+
+ /* Get the initialization data we saved in VideoPortInitialize. */
+ DriverExtension = IoGetDriverObjectExtension(DriverObject, DriverObject);
+
+ /* Create adapter device object. */
+ Status = IntVideoPortCreateAdapterDeviceObject(DriverObject,
+ DriverExtension,
+ PhysicalDeviceObject,
+ &DeviceObject);
+ if (NT_SUCCESS(Status))
+ VideoPortDeviceNumber++;
+
+ return Status;
+}
+
+/*
+ * IntVideoPortDispatchOpen
+ *
+ * Answer requests for Open calls.
+ *
+ * Run Level
+ * PASSIVE_LEVEL
+ */
+NTSTATUS
+NTAPI
+IntVideoPortDispatchOpen(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+ PVIDEO_PORT_DRIVER_EXTENSION DriverExtension;
+
+ TRACE_(VIDEOPRT, "IntVideoPortDispatchOpen\n");
+
+ if (CsrssInitialized == FALSE)
+ {
+ /*
+ * We know the first open call will be from the CSRSS process
+ * to let us know its handle.
+ */
+
+ INFO_(VIDEOPRT, "Referencing CSRSS\n");
+ Csrss = (PKPROCESS)PsGetCurrentProcess();
+ INFO_(VIDEOPRT, "Csrss %p\n", Csrss);
+
+ IntInitializeVideoAddressSpace();
+
+ CsrssInitialized = TRUE;
+ }
+
+ DeviceExtension = (PVIDEO_PORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+ DriverExtension = DeviceExtension->DriverExtension;
+
+ if (DriverExtension->InitializationData.HwInitialize(&DeviceExtension->MiniPortDeviceExtension))
+ {
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ InterlockedIncrement((PLONG)&DeviceExtension->DeviceOpened);
+ }
+ else
+ {
+ Irp->IoStatus.Status = STATUS_UNSUCCESSFUL;
+ }
+
+ Irp->IoStatus.Information = FILE_OPENED;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+
+ return STATUS_SUCCESS;
+}
+
+/*
+ * IntVideoPortDispatchClose
+ *
+ * Answer requests for Close calls.
+ *
+ * Run Level
+ * PASSIVE_LEVEL
+ */
+NTSTATUS
+NTAPI
+IntVideoPortDispatchClose(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+
+ TRACE_(VIDEOPRT, "IntVideoPortDispatchClose\n");
+
+ DeviceExtension = (PVIDEO_PORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+ if ((DeviceExtension->DeviceOpened >= 1) &&
+ (InterlockedDecrement((PLONG)&DeviceExtension->DeviceOpened) == 0))
+ {
+ ResetDisplayParametersDeviceExtension = NULL;
+ InbvNotifyDisplayOwnershipLost(NULL);
+ ResetDisplayParametersDeviceExtension = DeviceExtension;
+ IntVideoPortResetDisplayParameters(80, 50);
+ }
+
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+
+ return STATUS_SUCCESS;
+}
+
+PSTR
+IoctlName(ULONG Ioctl)
+{
+ switch(Ioctl)
+ {
+ case IOCTL_VIDEO_ENABLE_VDM:
+ return "IOCTL_VIDEO_ENABLE_VDM"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x00, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_DISABLE_VDM:
+ return "IOCTL_VIDEO_DISABLE_VDM"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x01, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_REGISTER_VDM:
+ return "IOCTL_VIDEO_REGISTER_VDM"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x02, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_OUTPUT_DEVICE_POWER_STATE:
+ return "IOCTL_VIDEO_SET_OUTPUT_DEVICE_POWER_STATE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x03, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_GET_OUTPUT_DEVICE_POWER_STATE:
+ return "IOCTL_VIDEO_GET_OUTPUT_DEVICE_POWER_STATE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x04, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_MONITOR_DEVICE:
+ return "IOCTL_VIDEO_MONITOR_DEVICE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x05, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_ENUM_MONITOR_PDO:
+ return "IOCTL_VIDEO_ENUM_MONITOR_PDO"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x06, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_INIT_WIN32K_CALLBACKS:
+ return "IOCTL_VIDEO_INIT_WIN32K_CALLBACKS"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x07, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_HANDLE_VIDEOPARAMETERS:
+ return "IOCTL_VIDEO_HANDLE_VIDEOPARAMETERS"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x08, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_IS_VGA_DEVICE:
+ return "IOCTL_VIDEO_IS_VGA_DEVICE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x09, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_USE_DEVICE_IN_SESSION:
+ return "IOCTL_VIDEO_USE_DEVICE_IN_SESSION"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x0a, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_PREPARE_FOR_EARECOVERY:
+ return "IOCTL_VIDEO_PREPARE_FOR_EARECOVERY"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x0b, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SAVE_HARDWARE_STATE:
+ return "IOCTL_VIDEO_SAVE_HARDWARE_STATE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x80, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_RESTORE_HARDWARE_STATE:
+ return "IOCTL_VIDEO_RESTORE_HARDWARE_STATE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x81, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_AVAIL_MODES:
+ return "IOCTL_VIDEO_QUERY_AVAIL_MODES"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x100, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES:
+ return "IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x101, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_CURRENT_MODE:
+ return "IOCTL_VIDEO_QUERY_CURRENT_MODE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x102, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_CURRENT_MODE:
+ return "IOCTL_VIDEO_SET_CURRENT_MODE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x103, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_RESET_DEVICE:
+ return "IOCTL_VIDEO_RESET_DEVICE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x104, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_LOAD_AND_SET_FONT:
+ return "IOCTL_VIDEO_LOAD_AND_SET_FONT"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x105, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_PALETTE_REGISTERS:
+ return "IOCTL_VIDEO_SET_PALETTE_REGISTERS"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x106, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_COLOR_REGISTERS:
+ return "IOCTL_VIDEO_SET_COLOR_REGISTERS"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x107, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_ENABLE_CURSOR:
+ return "IOCTL_VIDEO_ENABLE_CURSOR"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x108, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_DISABLE_CURSOR:
+ return "IOCTL_VIDEO_DISABLE_CURSOR"; // CTL_CODE (FILE_DEVICE_VIDEO, 0x109, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_CURSOR_ATTR:
+ return "IOCTL_VIDEO_SET_CURSOR_ATTR"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x10a, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_CURSOR_ATTR:
+ return "IOCTL_VIDEO_QUERY_CURSOR_ATTR"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x10b, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_CURSOR_POSITION:
+ return "IOCTL_VIDEO_SET_CURSOR_POSITION"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x10c, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_CURSOR_POSITION:
+ return "IOCTL_VIDEO_QUERY_CURSOR_POSITION"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x10d, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_ENABLE_POINTER:
+ return "IOCTL_VIDEO_ENABLE_POINTER"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x10e, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_DISABLE_POINTER:
+ return "IOCTL_VIDEO_DISABLE_POINTER"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x10f, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_POINTER_ATTR:
+ return "IOCTL_VIDEO_SET_POINTER_ATTR"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x110, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_POINTER_ATTR:
+ return "IOCTL_VIDEO_QUERY_POINTER_ATTR"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x111, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_POINTER_POSITION:
+ return "IOCTL_VIDEO_SET_POINTER_POSITION"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x112, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_POINTER_POSITION:
+ return "IOCTL_VIDEO_QUERY_POINTER_POSITION"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x113, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES:
+ return "IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x114, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_GET_BANK_SELECT_CODE:
+ return "IOCTL_VIDEO_GET_BANK_SELECT_CODE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x115, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_MAP_VIDEO_MEMORY:
+ return "IOCTL_VIDEO_MAP_VIDEO_MEMORY"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x116, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
+ return "IOCTL_VIDEO_UNMAP_VIDEO_MEMORY"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x117, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES:
+ return "IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x118, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES:
+ return "IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x119, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_COLOR_CAPABILITIES:
+ return "IOCTL_VIDEO_QUERY_COLOR_CAPABILITIES"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x11a, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_POWER_MANAGEMENT:
+ return "IOCTL_VIDEO_SET_POWER_MANAGEMENT"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x11b, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_GET_POWER_MANAGEMENT:
+ return "IOCTL_VIDEO_GET_POWER_MANAGEMENT"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x11c, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SHARE_VIDEO_MEMORY:
+ return "IOCTL_VIDEO_SHARE_VIDEO_MEMORY"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x11d, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY:
+ return "IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x11e, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_COLOR_LUT_DATA:
+ return "IOCTL_VIDEO_SET_COLOR_LUT_DATA"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x11f, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_GET_CHILD_STATE:
+ return "IOCTL_VIDEO_GET_CHILD_STATE"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x120, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_VALIDATE_CHILD_STATE_CONFIGURATION:
+ return "IOCTL_VIDEO_VALIDATE_CHILD_STATE_CONFIGURATION"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x121, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_CHILD_STATE_CONFIGURATION:
+ return "IOCTL_VIDEO_SET_CHILD_STATE_CONFIGURATION"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x122, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SWITCH_DUALVIEW:
+ return "IOCTL_VIDEO_SWITCH_DUALVIEW"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x123, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_BANK_POSITION:
+ return "IOCTL_VIDEO_SET_BANK_POSITION"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x124, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_SUPPORTED_BRIGHTNESS:
+ return "IOCTL_VIDEO_QUERY_SUPPORTED_BRIGHTNESS"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x125, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS:
+ return "IOCTL_VIDEO_QUERY_DISPLAY_BRIGHTNESS"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x126, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ case IOCTL_VIDEO_SET_DISPLAY_BRIGHTNESS:
+ return "IOCTL_VIDEO_SET_DISPLAY_BRIGHTNESS"; // CTL_CODE(FILE_DEVICE_VIDEO, 0x127, METHOD_BUFFERED, FILE_ANY_ACCESS)
+ }
+
+ return "<unknown ioctl code";
+}
+
+static
+NTSTATUS
+VideoPortUseDeviceInSession(
+ _Inout_ PDEVICE_OBJECT DeviceObject,
+ _Inout_ PVIDEO_DEVICE_SESSION_STATUS SessionState,
+ _In_ ULONG BufferLength,
+ _Out_ PULONG_PTR Information)
+{
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+
+ /* Check buffer size */
+ *Information = sizeof(VIDEO_DEVICE_SESSION_STATUS);
+ if (BufferLength < sizeof(VIDEO_DEVICE_SESSION_STATUS))
+ {
+ ERR_(VIDEOPRT, "Buffer too small for VIDEO_DEVICE_SESSION_STATUS: %lx\n",
+ BufferLength);
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+
+ /* Get the device extension */
+ DeviceExtension = DeviceObject->DeviceExtension;
+
+ /* Shall we enable the session? */
+ if (SessionState->bEnable)
+ {
+ /* Check if we have no session yet */
+ if (DeviceExtension->SessionId == -1)
+ {
+ /* Use this session and return success */
+ DeviceExtension->SessionId = PsGetCurrentProcessSessionId();
+ SessionState->bSuccess = TRUE;
+ }
+ else
+ {
+ ERR_(VIDEOPRT, "Requested to set session, but session is already set to: 0x%lx\n",
+ DeviceExtension->SessionId);
+ SessionState->bSuccess = FALSE;
+ }
+ }
+ else
+ {
+ /* Check if we belong to the current session */
+ if (DeviceExtension->SessionId == PsGetCurrentProcessSessionId())
+ {
+ /* Reset the session and return success */
+ DeviceExtension->SessionId = -1;
+ SessionState->bSuccess = TRUE;
+ }
+ else
+ {
+ ERR_(VIDEOPRT, "Requested to reset session, but session is not set\n");
+ SessionState->bSuccess = FALSE;
+ }
+ }
+
+ return STATUS_SUCCESS;
+}
+
+static
+NTSTATUS
+VideoPortInitWin32kCallbacks(
+ _In_ PDEVICE_OBJECT DeviceObject,
+ _Inout_ PVIDEO_WIN32K_CALLBACKS Win32kCallbacks,
+ _In_ ULONG BufferLength,
+ _Out_ PULONG_PTR Information)
+{
+ *Information = sizeof(VIDEO_WIN32K_CALLBACKS);
+ if (BufferLength < sizeof(VIDEO_WIN32K_CALLBACKS))
+ {
+ ERR_(VIDEOPRT, "Buffer too small for VIDEO_WIN32K_CALLBACKS: %lx\n",
+ BufferLength);
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+
+ /* Save the callout function globally */
+ Win32kCallout = Win32kCallbacks->Callout;
+
+ /* Return reasonable values to win32k */
+ Win32kCallbacks->bACPI = FALSE;
+ Win32kCallbacks->pPhysDeviceObject = DeviceObject;
+ Win32kCallbacks->DualviewFlags = 0;
+
+ return STATUS_SUCCESS;
+}
+
+static
+NTSTATUS
+VideoPortForwardDeviceControl(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PIO_STACK_LOCATION IrpStack;
+ PVIDEO_PORT_DRIVER_EXTENSION DriverExtension;
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+ VIDEO_REQUEST_PACKET vrp;
+
+ TRACE_(VIDEOPRT, "VideoPortForwardDeviceControl\n");
+
+ IrpStack = IoGetCurrentIrpStackLocation(Irp);
+ DeviceExtension = DeviceObject->DeviceExtension;
+ DriverExtension = DeviceExtension->DriverExtension;
+
+ /* Translate the IRP to a VRP */
+ vrp.StatusBlock = (PSTATUS_BLOCK)&Irp->IoStatus;
+ vrp.IoControlCode = IrpStack->Parameters.DeviceIoControl.IoControlCode;
+
+ INFO_(VIDEOPRT, "- IoControlCode: %x\n", vrp.IoControlCode);
+
+ /* We're assuming METHOD_BUFFERED */
+ vrp.InputBuffer = Irp->AssociatedIrp.SystemBuffer;
+ vrp.InputBufferLength = IrpStack->Parameters.DeviceIoControl.InputBufferLength;
+ vrp.OutputBuffer = Irp->AssociatedIrp.SystemBuffer;
+ vrp.OutputBufferLength = IrpStack->Parameters.DeviceIoControl.OutputBufferLength;
+
+ /* Call the Miniport Driver with the VRP */
+ DriverExtension->InitializationData.HwStartIO(&DeviceExtension->MiniPortDeviceExtension,
+ &vrp);
+
+ INFO_(VIDEOPRT, "- Returned status: %x\n", Irp->IoStatus.Status);
+
+ /* Map from win32 error codes to NT status values. */
+ switch (Irp->IoStatus.Status)
+ {
+ case NO_ERROR:
+ return STATUS_SUCCESS;
+ case ERROR_NOT_ENOUGH_MEMORY:
+ return STATUS_INSUFFICIENT_RESOURCES;
+ case ERROR_MORE_DATA:
+ return STATUS_BUFFER_OVERFLOW;
+ case ERROR_INVALID_FUNCTION:
+ return STATUS_NOT_IMPLEMENTED;
+ case ERROR_INVALID_PARAMETER:
+ return STATUS_INVALID_PARAMETER;
+ case ERROR_INSUFFICIENT_BUFFER:
+ return STATUS_BUFFER_TOO_SMALL;
+ case ERROR_DEV_NOT_EXIST:
+ return STATUS_DEVICE_DOES_NOT_EXIST;
+ case ERROR_IO_PENDING:
+ return STATUS_PENDING;
+ default:
+ return STATUS_UNSUCCESSFUL;
+ }
+}
+
+/*
+ * IntVideoPortDispatchDeviceControl
+ *
+ * Answer requests for device control calls.
+ *
+ * Run Level
+ * PASSIVE_LEVEL
+ */
+NTSTATUS
+NTAPI
+IntVideoPortDispatchDeviceControl(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PIO_STACK_LOCATION IrpStack;
+ NTSTATUS Status;
+ ULONG IoControlCode;
+
+ TRACE_(VIDEOPRT, "IntVideoPortDispatchDeviceControl\n");
+
+ IrpStack = IoGetCurrentIrpStackLocation(Irp);
+
+ IoControlCode = IrpStack->Parameters.DeviceIoControl.IoControlCode;
+
+ INFO_(VIDEOPRT, "- IoControlCode: %x: %s\n", IoControlCode, IoctlName(IoControlCode));
+
+ switch(IoControlCode)
+ {
+ case IOCTL_VIDEO_INIT_WIN32K_CALLBACKS:
+ INFO_(VIDEOPRT, "- IOCTL_VIDEO_INIT_WIN32K_CALLBACKS\n");
+ Status = VideoPortInitWin32kCallbacks(DeviceObject,
+ Irp->AssociatedIrp.SystemBuffer,
+ IrpStack->Parameters.DeviceIoControl.InputBufferLength,
+ &Irp->IoStatus.Information);
+ break;
+
+ case IOCTL_VIDEO_USE_DEVICE_IN_SESSION:
+ INFO_(VIDEOPRT, "- IOCTL_VIDEO_USE_DEVICE_IN_SESSION\n");
+ Status = VideoPortUseDeviceInSession(DeviceObject,
+ Irp->AssociatedIrp.SystemBuffer,
+ IrpStack->Parameters.DeviceIoControl.InputBufferLength,
+ &Irp->IoStatus.Information);
+ break;
+
+ default:
+ /* Forward to the Miniport Driver */
+ Status = VideoPortForwardDeviceControl(DeviceObject, Irp);
+ break;
+ }
+
+ INFO_(VIDEOPRT, "- Returned status: %x\n", Irp->IoStatus.Status);
+
+ Irp->IoStatus.Status = Status;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+
+ return Status;
+}
+
+/*
+ * IntVideoPortWrite
+ *
+ * This is a bit of a hack. We want to take ownership of the display as late
+ * as possible, just before the switch to graphics mode. Win32k knows when
+ * this happens, we don't. So we need Win32k to inform us. This could be done
+ * using an IOCTL, but there's no way of knowing which IOCTL codes are unused
+ * in the communication between GDI driver and miniport driver. So we use
+ * IRP_MJ_WRITE as the signal that win32k is ready to switch to graphics mode,
+ * since we know for certain that there is no read/write activity going on
+ * between GDI and miniport drivers.
+ * We don't actually need the data that is passed, we just trigger on the fact
+ * that an IRP_MJ_WRITE was sent.
+ *
+ * Run Level
+ * PASSIVE_LEVEL
+ */
+NTSTATUS
+NTAPI
+IntVideoPortDispatchWrite(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PIO_STACK_LOCATION piosStack = IoGetCurrentIrpStackLocation(Irp);
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+ NTSTATUS nErrCode;
+
+ DeviceExtension = (PVIDEO_PORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+ /*
+ * Storing the device extension pointer in a static variable is an
+ * ugly hack. Unfortunately, we need it in IntVideoPortResetDisplayParameters
+ * and InbvNotifyDisplayOwnershipLost doesn't allow us to pass a userdata
+ * parameter. On the bright side, the DISPLAY device is opened
+ * exclusively, so there can be only one device extension active at
+ * any point in time.
+ *
+ * FIXME: We should process all opened display devices in
+ * IntVideoPortResetDisplayParameters.
+ */
+ ResetDisplayParametersDeviceExtension = DeviceExtension;
+ InbvNotifyDisplayOwnershipLost(IntVideoPortResetDisplayParameters);
+
+ nErrCode = STATUS_SUCCESS;
+ Irp->IoStatus.Information = piosStack->Parameters.Write.Length;
+ Irp->IoStatus.Status = nErrCode;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+
+ return nErrCode;
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortPnPStartDevice(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
+ PDRIVER_OBJECT DriverObject;
+ PVIDEO_PORT_DRIVER_EXTENSION DriverExtension;
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+ PCM_RESOURCE_LIST AllocatedResources;
+
+ /* Get the initialization data we saved in VideoPortInitialize.*/
+ DriverObject = DeviceObject->DriverObject;
+ DriverExtension = IoGetDriverObjectExtension(DriverObject, DriverObject);
+ DeviceExtension = (PVIDEO_PORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+ /* Store some resources in the DeviceExtension. */
+ AllocatedResources = Stack->Parameters.StartDevice.AllocatedResources;
+ if (AllocatedResources != NULL)
+ {
+ CM_FULL_RESOURCE_DESCRIPTOR *FullList;
+ CM_PARTIAL_RESOURCE_DESCRIPTOR *Descriptor;
+ ULONG ResourceCount;
+ ULONG ResourceListSize;
+
+ /* Save the resource list */
+ ResourceCount = AllocatedResources->List[0].PartialResourceList.Count;
+ ResourceListSize =
+ FIELD_OFFSET(CM_RESOURCE_LIST, List[0].PartialResourceList.
+ PartialDescriptors[ResourceCount]);
+ DeviceExtension->AllocatedResources = ExAllocatePool(PagedPool, ResourceListSize);
+ if (DeviceExtension->AllocatedResources == NULL)
+ {
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ RtlCopyMemory(DeviceExtension->AllocatedResources,
+ AllocatedResources,
+ ResourceListSize);
+
+ /* Get the interrupt level/vector - needed by HwFindAdapter sometimes */
+ for (FullList = AllocatedResources->List;
+ FullList < AllocatedResources->List + AllocatedResources->Count;
+ FullList++)
+ {
+ INFO_(VIDEOPRT, "InterfaceType %u BusNumber List %u Device BusNumber %u Version %u Revision %u\n",
+ FullList->InterfaceType, FullList->BusNumber, DeviceExtension->SystemIoBusNumber, FullList->PartialResourceList.Version, FullList->PartialResourceList.Revision);
+
+ /* FIXME: Is this ASSERT ok for resources from the PNP manager? */
+ ASSERT(FullList->InterfaceType == PCIBus);
+ ASSERT(FullList->BusNumber == DeviceExtension->SystemIoBusNumber);
+ ASSERT(1 == FullList->PartialResourceList.Version);
+ ASSERT(1 == FullList->PartialResourceList.Revision);
+ for (Descriptor = FullList->PartialResourceList.PartialDescriptors;
+ Descriptor < FullList->PartialResourceList.PartialDescriptors + FullList->PartialResourceList.Count;
+ Descriptor++)
+ {
+ if (Descriptor->Type == CmResourceTypeInterrupt)
+ {
+ DeviceExtension->InterruptLevel = Descriptor->u.Interrupt.Level;
+ DeviceExtension->InterruptVector = Descriptor->u.Interrupt.Vector;
+ if (Descriptor->ShareDisposition == CmResourceShareShared)
+ DeviceExtension->InterruptShared = TRUE;
+ else
+ DeviceExtension->InterruptShared = FALSE;
+ }
+ }
+ }
+ }
+
+ INFO_(VIDEOPRT, "Interrupt level: 0x%x Interrupt Vector: 0x%x\n",
+ DeviceExtension->InterruptLevel,
+ DeviceExtension->InterruptVector);
+
+ /* Create adapter device object. */
+ return IntVideoPortFindAdapter(DriverObject,
+ DriverExtension,
+ DeviceObject);
+}
+
+
+NTSTATUS
+NTAPI
+IntVideoPortForwardIrpAndWaitCompletionRoutine(
+ PDEVICE_OBJECT Fdo,
+ PIRP Irp,
+ PVOID Context)
+{
+ PKEVENT Event = Context;
+
+ if (Irp->PendingReturned)
+ KeSetEvent(Event, IO_NO_INCREMENT, FALSE);
+
+ return STATUS_MORE_PROCESSING_REQUIRED;
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortQueryBusRelations(PDEVICE_OBJECT DeviceObject, PIRP Irp)
+{
+ PDEVICE_RELATIONS DeviceRelations;
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
+ PVIDEO_PORT_CHILD_EXTENSION ChildExtension;
+ ULONG i;
+ PLIST_ENTRY CurrentEntry;
+
+ /* Count the children */
+ i = 0;
+ CurrentEntry = DeviceExtension->ChildDeviceList.Flink;
+ while (CurrentEntry != &DeviceExtension->ChildDeviceList)
+ {
+ i++;
+ CurrentEntry = CurrentEntry->Flink;
+ }
+
+ if (i == 0)
+ return Irp->IoStatus.Status;
+
+ DeviceRelations = ExAllocatePool(PagedPool,
+ sizeof(DEVICE_RELATIONS) + ((i - 1) * sizeof(PVOID)));
+ if (!DeviceRelations) return STATUS_NO_MEMORY;
+
+ DeviceRelations->Count = i;
+
+ /* Add the children */
+ i = 0;
+ CurrentEntry = DeviceExtension->ChildDeviceList.Flink;
+ while (CurrentEntry != &DeviceExtension->ChildDeviceList)
+ {
+ ChildExtension = CONTAINING_RECORD(CurrentEntry, VIDEO_PORT_CHILD_EXTENSION, ListEntry);
+
+ ObReferenceObject(ChildExtension->PhysicalDeviceObject);
+ DeviceRelations->Objects[i] = ChildExtension->PhysicalDeviceObject;
+
+ i++;
+ CurrentEntry = CurrentEntry->Flink;
+ }
+
+ INFO_(VIDEOPRT, "Reported %d PDOs\n", i);
+ Irp->IoStatus.Information = (ULONG_PTR)DeviceRelations;
+
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortForwardIrpAndWait(PDEVICE_OBJECT DeviceObject, PIRP Irp)
+{
+ KEVENT Event;
+ NTSTATUS Status;
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension =
+ (PVIDEO_PORT_DEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+ KeInitializeEvent(&Event, NotificationEvent, FALSE);
+ IoCopyCurrentIrpStackLocationToNext(Irp);
+ IoSetCompletionRoutine(Irp,
+ IntVideoPortForwardIrpAndWaitCompletionRoutine,
+ &Event,
+ TRUE,
+ TRUE,
+ TRUE);
+
+ Status = IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
+ if (Status == STATUS_PENDING)
+ {
+ KeWaitForSingleObject(&Event, Executive, KernelMode, FALSE, NULL);
+ Status = Irp->IoStatus.Status;
+ }
+
+ return Status;
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortDispatchFdoPnp(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PIO_STACK_LOCATION IrpSp;
+ NTSTATUS Status;
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
+
+ IrpSp = IoGetCurrentIrpStackLocation(Irp);
+
+ switch (IrpSp->MinorFunction)
+ {
+ case IRP_MN_START_DEVICE:
+ Status = IntVideoPortForwardIrpAndWait(DeviceObject, Irp);
+ if (NT_SUCCESS(Status) && NT_SUCCESS(Irp->IoStatus.Status))
+ Status = IntVideoPortPnPStartDevice(DeviceObject, Irp);
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ break;
+
+ case IRP_MN_FILTER_RESOURCE_REQUIREMENTS:
+ Status = IntVideoPortForwardIrpAndWait(DeviceObject, Irp);
+ if (NT_SUCCESS(Status) && NT_SUCCESS(Irp->IoStatus.Status))
+ Status = IntVideoPortFilterResourceRequirements(DeviceObject, Irp);
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ break;
+
+ case IRP_MN_QUERY_DEVICE_RELATIONS:
+ if (IrpSp->Parameters.QueryDeviceRelations.Type != BusRelations)
+ {
+ IoSkipCurrentIrpStackLocation(Irp);
+ Status = IoCallDriver(DeviceExtension->NextDeviceObject, Irp);
+ }
+ else
+ {
+ Status = IntVideoPortQueryBusRelations(DeviceObject, Irp);
+ Irp->IoStatus.Status = Status;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ }
+ break;
+
+ case IRP_MN_REMOVE_DEVICE:
+ case IRP_MN_QUERY_REMOVE_DEVICE:
+ case IRP_MN_CANCEL_REMOVE_DEVICE:
+ case IRP_MN_SURPRISE_REMOVAL:
+
+ case IRP_MN_STOP_DEVICE:
+ Status = IntVideoPortForwardIrpAndWait(DeviceObject, Irp);
+ if (NT_SUCCESS(Status) && NT_SUCCESS(Irp->IoStatus.Status))
+ Status = STATUS_SUCCESS;
+ Irp->IoStatus.Status = Status;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ break;
+
+ case IRP_MN_QUERY_STOP_DEVICE:
+ case IRP_MN_CANCEL_STOP_DEVICE:
+ Status = STATUS_SUCCESS;
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ break;
+
+ default:
+ Status = Irp->IoStatus.Status;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+ break;
+ }
+
+ return Status;
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortDispatchPnp(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PVIDEO_PORT_COMMON_EXTENSION CommonExtension = DeviceObject->DeviceExtension;
+
+ if (CommonExtension->Fdo)
+ return IntVideoPortDispatchFdoPnp(DeviceObject, Irp);
+ else
+ return IntVideoPortDispatchPdoPnp(DeviceObject, Irp);
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortDispatchCleanup(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
+
+ DeviceExtension = DeviceObject->DeviceExtension;
+ RtlFreeUnicodeString(&DeviceExtension->RegistryPath);
+
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ Irp->IoStatus.Information = 0;
+ IoCompleteRequest(Irp, IO_NO_INCREMENT);
+
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortDispatchPower(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ return STATUS_NOT_IMPLEMENTED;
+}
+
+NTSTATUS
+NTAPI
+IntVideoPortDispatchSystemControl(
+ IN PDEVICE_OBJECT DeviceObject,
+ IN PIRP Irp)
+{
+ return STATUS_NOT_IMPLEMENTED;
+}
+
+VOID
+NTAPI
+IntVideoPortUnload(PDRIVER_OBJECT DriverObject)
+{
+}
projects / reactos.git / blobdiff