reactos/drivers/base/green/pnp.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS VT100 emulator
   4  * FILE:            drivers/dd/green/pnp.c
   5  * PURPOSE:         IRP_MJ_PNP operations
   6  *
   7  * PROGRAMMERS:     Hervé Poussineau (hpoussin@reactos.org)
   8  */
   9
  10 #define NDEBUG
  11 #include <debug.h>
  12
  13 #include "green.h"
  14
  15 NTSTATUS NTAPI
  16 GreenAddDevice(
  17         IN PDRIVER_OBJECT DriverObject,
  18         IN PDEVICE_OBJECT Pdo)
  19 {
  20         PDEVICE_OBJECT Fdo = NULL;
  21         PGREEN_DEVICE_EXTENSION DeviceExtension;
  22         UNICODE_STRING serialPortName;
  23         NTSTATUS Status;
  24
  25         DPRINT("Green: AddDevice(DriverObject %p, Pdo %p)\n", DriverObject, Pdo);
  26
  27         /* Create green FDO */
  28         Status = IoCreateDevice(DriverObject,
  29                 sizeof(GREEN_DEVICE_EXTENSION),
  30                 NULL,
  31                 FILE_DEVICE_UNKNOWN,
  32                 FILE_DEVICE_SECURE_OPEN,
  33                 TRUE,
  34                 &Fdo);
  35
  36         if (!NT_SUCCESS(Status))
  37         {
  38                 DPRINT1("Status = %08lx\n", Status);
  39                 return Status;
  40         }
  41
  42         DeviceExtension = (PGREEN_DEVICE_EXTENSION)Fdo->DeviceExtension;
  43         RtlZeroMemory(DeviceExtension, sizeof(GREEN_DEVICE_EXTENSION));
  44         DeviceExtension->Common.Type = Green;
  45
  46         Status = KeyboardInitialize(DriverObject, &DeviceExtension->Keyboard);
  47         if (!NT_SUCCESS(Status))
  48         {
  49                 IoDeleteDevice(Fdo);
  50                 DPRINT1("Status = %08lx\n", Status);
  51                 return Status;
  52         }
  53         ((PKEYBOARD_DEVICE_EXTENSION)DeviceExtension->Keyboard->DeviceExtension)->Green = Fdo;
  54
  55         Status = ScreenInitialize(DriverObject, &DeviceExtension->Screen);
  56         if (!NT_SUCCESS(Status))
  57         {
  58                 IoDeleteDevice(DeviceExtension->Keyboard);
  59                 IoDeleteDevice(Fdo);
  60                 DPRINT1("Status = %08lx\n", Status);
  61                 return Status;
  62         }
  63         ((PSCREEN_DEVICE_EXTENSION)DeviceExtension->Screen->DeviceExtension)->Green = Fdo;
  64
  65         /* initialize green Fdo */
  66         DeviceExtension->LowerDevice = IoAttachDeviceToDeviceStack(Fdo, Pdo);
  67         DeviceExtension->LineControl.WordLength = 8;
  68         DeviceExtension->LineControl.Parity = NO_PARITY;
  69         DeviceExtension->LineControl.StopBits = STOP_BIT_1;
  70         DeviceExtension->BaudRate = SERIAL_BAUD_38400;
  71         DeviceExtension->Timeouts.ReadTotalTimeoutConstant = 1; /* not null */
  72         DeviceExtension->Timeouts.ReadIntervalTimeout = INFINITE;
  73         DeviceExtension->Timeouts.ReadTotalTimeoutMultiplier = INFINITE;
  74         DeviceExtension->Timeouts.WriteTotalTimeoutMultiplier = 0; /* FIXME */
  75         DeviceExtension->Timeouts.WriteTotalTimeoutConstant = 0; /* FIXME */
  76
  77         /* open associated serial port */
  78         RtlInitUnicodeString(&serialPortName, L"\\Device\\Serial1"); /* FIXME: don't hardcode string */
  79         Status = ObReferenceObjectByName(
  80                 &serialPortName,
  81                 OBJ_EXCLUSIVE | OBJ_KERNEL_HANDLE,
  82                 NULL,
  83                 (ACCESS_MASK)0,
  84                 IoDeviceObjectType,
  85                 KernelMode,
  86                 NULL,
  87                 (PVOID*)&DeviceExtension->Serial);
  88         /* FIXME: we never ObDereferenceObject */
  89
  90         Fdo->Flags |= DO_POWER_PAGABLE | DO_BUFFERED_IO;
  91         Fdo->Flags &= ~DO_DEVICE_INITIALIZING;
  92
  93         DPRINT("Status = %08lx\n", Status);
  94         return Status;
  95 }