reactos/drivers/dd/green/pnp.c

   1 /* $Id:
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS VT100 emulator
   5  * FILE:            drivers/dd/green/pnp.c
   6  * PURPOSE:         IRP_MJ_PNP operations
   7  *
   8  * PROGRAMMERS:     Hervé Poussineau (hpoussin@reactos.com)
   9  */
  10
  11 #define NDEBUG
  12 #include "green.h"
  13
  14 NTSTATUS STDCALL
  15 GreenAddDevice(
  16         IN PDRIVER_OBJECT DriverObject,
  17         IN PDEVICE_OBJECT Pdo)
  18 {
  19         PDEVICE_OBJECT Fdo = NULL;
  20         PGREEN_DEVICE_EXTENSION DeviceExtension;
  21         UNICODE_STRING serialPortName;
  22         NTSTATUS Status;
  23
  24         DPRINT("Green: AddDevice(DriverObject %p, Pdo %p)\n", DriverObject, Pdo);
  25
  26         /* Create green FDO */
  27         Status = IoCreateDevice(DriverObject,
  28                 sizeof(GREEN_DEVICE_EXTENSION),
  29                 NULL,
  30                 FILE_DEVICE_UNKNOWN,
  31                 FILE_DEVICE_SECURE_OPEN,
  32                 TRUE,
  33                 &Fdo);
  34         if (!NT_SUCCESS(Status))
  35                 return Status;
  36
  37         DeviceExtension = (PGREEN_DEVICE_EXTENSION)Fdo->DeviceExtension;
  38         RtlZeroMemory(DeviceExtension, sizeof(GREEN_DEVICE_EXTENSION));
  39         DeviceExtension->Common.Type = Green;
  40
  41         Status = KeyboardInitialize(DriverObject, &DeviceExtension->Keyboard);
  42         if (!NT_SUCCESS(Status))
  43         {
  44                 IoDeleteDevice(Fdo);
  45                 return Status;
  46         }
  47         ((PKEYBOARD_DEVICE_EXTENSION)DeviceExtension->Keyboard->DeviceExtension)->Green = Fdo;
  48
  49         Status = ScreenInitialize(DriverObject, &DeviceExtension->Screen);
  50         if (!NT_SUCCESS(Status))
  51         {
  52                 IoDeleteDevice(DeviceExtension->Keyboard);
  53                 IoDeleteDevice(Fdo);
  54                 return Status;
  55         }
  56         ((PSCREEN_DEVICE_EXTENSION)DeviceExtension->Screen->DeviceExtension)->Green = Fdo;
  57
  58         /* initialize green Fdo */
  59         DeviceExtension->LowerDevice = IoAttachDeviceToDeviceStack(Fdo, Pdo);
  60         DeviceExtension->LineControl.WordLength = 8;
  61         DeviceExtension->LineControl.Parity = NO_PARITY;
  62         DeviceExtension->LineControl.StopBits = STOP_BIT_1;
  63         DeviceExtension->BaudRate = SERIAL_BAUD_38400;
  64         DeviceExtension->Timeouts.ReadTotalTimeoutConstant = 1; /* not null */
  65         DeviceExtension->Timeouts.ReadIntervalTimeout = INFINITE;
  66         DeviceExtension->Timeouts.ReadTotalTimeoutMultiplier = INFINITE;
  67         DeviceExtension->Timeouts.WriteTotalTimeoutMultiplier = 0; /* FIXME */
  68         DeviceExtension->Timeouts.WriteTotalTimeoutConstant = 0; /* FIXME */
  69
  70         /* open associated serial port */
  71         RtlInitUnicodeString(&serialPortName, L"\\Device\\Serial1"); /* FIXME: don't hardcode string */
  72         Status = ObReferenceObjectByName(
  73                 &serialPortName,
  74                 OBJ_EXCLUSIVE | OBJ_KERNEL_HANDLE,
  75                 NULL,
  76                 (ACCESS_MASK)0,
  77                 IoDeviceObjectType,
  78                 KernelMode,
  79                 NULL,
  80                 (PVOID*)&DeviceExtension->Serial);
  81         /* FIXME: we never ObDereferenceObject */
  82
  83         Fdo->Flags |= DO_POWER_PAGABLE | DO_BUFFERED_IO;
  84         Fdo->Flags &= ~DO_DEVICE_INITIALIZING;
  85
  86         return Status;
  87 }