hw/kdrive/fbdev/fbdev.h

   1 /*
   2  * Copyright © 1999 Keith Packard
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation, and that the name of Keith Packard not be used in
   9  * advertising or publicity pertaining to distribution of the software without
  10  * specific, written prior permission.  Keith Packard makes no
  11  * representations about the suitability of this software for any purpose.  It
  12  * is provided "as is" without express or implied warranty.
  13  *
  14  * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  20  * PERFORMANCE OF THIS SOFTWARE.
  21  */
  22
  23 #ifndef _FBDEV_H_
  24 #define _FBDEV_H_
  25 #include <stdio.h>
  26 #include <linux/fb.h>
  27 #include <unistd.h>
  28 #include <sys/mman.h>
  29 #include "kdrive.h"
  30
  31 #ifdef RANDR
  32 #include "randrstr.h"
  33 #endif
  34
  35 typedef struct _fbdevPriv {
  36     struct fb_var_screeninfo var;
  37     struct fb_fix_screeninfo fix;
  38     __u16 red[256];
  39     __u16 green[256];
  40     __u16 blue[256];
  41     int fd;
  42     char *fb;
  43     char *fb_base;
  44 } FbdevPriv;
  45
  46 typedef struct _fbdevScrPriv {
  47     Rotation randr;
  48     Bool shadow;
  49 } FbdevScrPriv;
  50
  51 extern KdCardFuncs fbdevFuncs;
  52 extern const char *fbdevDevicePath;
  53
  54 Bool
  55  fbdevCardInit(KdCardInfo * card);
  56
  57 Bool
  58  fbdevScreenInit(KdScreenInfo * screen);
  59
  60 Bool
  61  fbdevInitScreen(ScreenPtr pScreen);
  62
  63 Bool
  64  fbdevFinishInitScreen(ScreenPtr pScreen);
  65
  66 Bool
  67  fbdevCreateResources(ScreenPtr pScreen);
  68
  69 void
  70  fbdevPreserve(KdCardInfo * card);
  71
  72 Bool
  73  fbdevEnable(ScreenPtr pScreen);
  74
  75 Bool
  76  fbdevDPMS(ScreenPtr pScreen, int mode);
  77
  78 void
  79  fbdevDisable(ScreenPtr pScreen);
  80
  81 void
  82  fbdevRestore(KdCardInfo * card);
  83
  84 void
  85  fbdevScreenFini(KdScreenInfo * screen);
  86
  87 void
  88  fbdevCardFini(KdCardInfo * card);
  89
  90 void
  91  fbdevGetColors(ScreenPtr pScreen, int n, xColorItem * pdefs);
  92
  93 void
  94  fbdevPutColors(ScreenPtr pScreen, int n, xColorItem * pdefs);
  95
  96 Bool
  97  fbdevMapFramebuffer(KdScreenInfo * screen);
  98
  99 #endif                          /* _FBDEV_H_ */