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  1. /*
  2.  * Copyright (C) 2006 Jakub Vana
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. #ifdef CONFIG_FB
  30.  
  31. #include <genarch/fb/fb.h>
  32. #include <arch/drivers/vesa.h>
  33. #include <putchar.h>
  34. #include <mm/page.h>
  35. #include <mm/frame.h>
  36. #include <mm/as.h>
  37. #include <arch/mm/page.h>
  38. #include <synch/spinlock.h>
  39. #include <arch/asm.h>
  40. #include <arch/types.h>
  41. #include <typedefs.h>
  42. #include <memstr.h>
  43. #include <bitops.h>
  44.  
  45. __u32 vesa_ph_addr;
  46. __u16 vesa_width;
  47. __u16 vesa_height;
  48. __u16 vesa_bpp;
  49. __u16 vesa_scanline;
  50.  
  51. int vesa_present(void)
  52. {
  53.     if (vesa_width != 0xffff)
  54.         return true;
  55.     if (vesa_height != 0xffff)
  56.         return true;
  57.     return false;
  58. }
  59.  
  60. void vesa_init(void)
  61. {
  62.     fb_init(vesa_ph_addr, vesa_width, vesa_height, vesa_bpp, vesa_scanline);
  63. }
  64.  
  65. #endif
  66.