drivers/video/x86_fb.c

   1 /*
   2  *
   3  * Vesa frame buffer driver for x86
   4  *
   5  * Copyright (C) 2014 Google, Inc
   6  *
   7  * SPDX-License-Identifier:     GPL-2.0+
   8  */
   9
  10 #include <common.h>
  11 #include <video_fb.h>
  12 #include <vbe.h>
  13 #include "videomodes.h"
  14
  15 /*
  16  * The Graphic Device
  17  */
  18 GraphicDevice ctfb;
  19
  20 void *video_hw_init(void)
  21 {
  22         GraphicDevice *gdev = &ctfb;
  23         int bits_per_pixel;
  24
  25         printf("Video: ");
  26         if (vbe_get_video_info(gdev)) {
  27                 printf("No video mode configured\n");
  28                 return NULL;
  29         }
  30
  31         bits_per_pixel = gdev->gdfBytesPP * 8;
  32         sprintf(gdev->modeIdent, "%dx%dx%d", gdev->winSizeX, gdev->winSizeY,
  33                 bits_per_pixel);
  34         printf("%s\n", gdev->modeIdent);
  35
  36         return (void *)gdev;
  37 }