reactos/drivers/base/bootvid/vid.c

   1 /*
   2  * ReactOS Boot video driver
   3  *
   4  * Copyright (C) 2005 Filip Navara
   5  *
   6  * This program is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU General Public License
   8  * as published by the Free Software Foundation; either version 2
   9  * of the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  19  */
  20
  21 /* INCLUDES ******************************************************************/
  22
  23 #include "bootvid.h"
  24 #define NDEBUG
  25 #include <debug.h>
  26
  27 /* GLOBALS *******************************************************************/
  28
  29 static PVID_FUNCTION_TABLE VidTable;
  30 extern VID_FUNCTION_TABLE VidVgaTable;
  31 extern VID_FUNCTION_TABLE VidVgaTextTable;
  32 extern VID_FUNCTION_TABLE VidXboxTable;
  33
  34 /* FUNCTIONS *****************************************************************/
  35
  36 BOOLEAN NTAPI
  37 VidInitialize(
  38    IN BOOLEAN SetMode)
  39 {
  40    ULONG PciId;
  41
  42    /*
  43     * Check for Xbox by identifying device at PCI 0:0:0, if it's
  44     * 0x10de/0x02a5 then we're running on an Xbox.
  45     */
  46    CHECKPOINT;
  47    WRITE_PORT_ULONG((PULONG)0xcf8, 0x80000000);
  48    PciId = READ_PORT_ULONG((PULONG)0xcfc);
  49    if (0x02a510de == PciId)
  50       VidTable = &VidXboxTable;
  51    else if (SetMode)
  52       VidTable = &VidVgaTable;
  53    else
  54       VidTable = &VidVgaTextTable;
  55    return VidTable->Initialize(SetMode);
  56 }
  57
  58 VOID STDCALL
  59 VidResetDisplay(VOID)
  60 {
  61    VidTable->ResetDisplay();
  62 }
  63
  64 VOID NTAPI
  65 VidCleanUp(VOID)
  66 {
  67    VidTable->CleanUp();
  68 }
  69
  70 VOID NTAPI
  71 VidBufferToScreenBlt(
  72    IN PUCHAR Buffer,
  73    IN ULONG Left,
  74    IN ULONG Top,
  75    IN ULONG Width,
  76    IN ULONG Height,
  77    IN ULONG Delta)
  78 {
  79    VidTable->BufferToScreenBlt(Buffer, Left, Top, Width, Height, Delta);
  80 }
  81
  82 VOID NTAPI
  83 VidScreenToBufferBlt(
  84    OUT PUCHAR Buffer,
  85    IN ULONG Left,
  86    IN ULONG Top,
  87    IN ULONG Width,
  88    IN ULONG Height,
  89    IN ULONG Delta)
  90 {
  91    VidTable->ScreenToBufferBlt(Buffer, Left, Top, Width, Height, Delta);
  92 }
  93
  94 VOID NTAPI
  95 VidBitBlt(
  96    IN PUCHAR Buffer,
  97    IN ULONG Left,
  98    IN ULONG Top)
  99 {
 100    VidTable->BitBlt(Buffer, Left, Top);
 101 }
 102
 103 VOID NTAPI
 104 VidSolidColorFill(
 105    IN ULONG Left,
 106    IN ULONG Top,
 107    IN ULONG Right,
 108    IN ULONG Bottom,
 109    IN ULONG Color)
 110 {
 111    VidTable->SolidColorFill(Left, Top, Right, Bottom, Color);
 112 }
 113
 114 VOID NTAPI
 115 VidDisplayString(
 116    IN PCSTR String)
 117 {
 118    VidTable->DisplayString(String);
 119 }