hw/xfree86/os-support/shared/agp_noop.c

   1 /*
   2  * Copyright (c) 2000-2003 by The XFree86 Project, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Except as contained in this notice, the name of the copyright holder(s)
  23  * and author(s) shall not be used in advertising or otherwise to promote
  24  * the sale, use or other dealings in this Software without prior written
  25  * authorization from the copyright holder(s) and author(s).
  26  */
  27
  28 /*
  29  * Abstraction of the AGP GART interface.  Stubs for platforms without
  30  * AGP GART support.
  31  */
  32
  33 #ifdef HAVE_XORG_CONFIG_H
  34 #include <xorg-config.h>
  35 #endif
  36
  37 #include <X11/X.h>
  38 #include "xf86.h"
  39 #include "xf86Priv.h"
  40 #include "xf86_OSlib.h"
  41 #include "xf86OSpriv.h"
  42
  43 Bool
  44 xf86GARTCloseScreen(int screenNum)
  45 {
  46     return FALSE;
  47 }
  48
  49 Bool
  50 xf86AgpGARTSupported(void)
  51 {
  52     return FALSE;
  53 }
  54
  55 AgpInfoPtr
  56 xf86GetAGPInfo(int screenNum)
  57 {
  58     return NULL;
  59 }
  60
  61 Bool
  62 xf86AcquireGART(int screenNum)
  63 {
  64     return FALSE;
  65 }
  66
  67 Bool
  68 xf86ReleaseGART(int screenNum)
  69 {
  70     return FALSE;
  71 }
  72
  73 int
  74 xf86AllocateGARTMemory(int screenNum, unsigned long size, int type,
  75                        unsigned long *physical)
  76 {
  77     return -1;
  78 }
  79
  80 Bool
  81 xf86DeallocateGARTMemory(int screenNum, int key)
  82 {
  83     return FALSE;
  84 }
  85
  86 Bool
  87 xf86BindGARTMemory(int screenNum, int key, unsigned long offset)
  88 {
  89     return FALSE;
  90 }
  91
  92 Bool
  93 xf86UnbindGARTMemory(int screenNum, int key)
  94 {
  95     return FALSE;
  96 }
  97
  98 Bool
  99 xf86EnableAGP(int screenNum, CARD32 mode)
 100 {
 101     return FALSE;
 102 }