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  1. /*
  2.  * Copyright (c) 2006 Ondrej Palkovsky
  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. /** @addtogroup genarch
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_FB_H_
  36. #define KERN_FB_H_
  37.  
  38. #include <arch/types.h>
  39. #include <synch/spinlock.h>
  40.  
  41. /**
  42.  * Properties of the framebuffer device.
  43.  */
  44. typedef struct fb_properties {
  45.     /** Physical address of the framebuffer device. */
  46.     uintptr_t addr;
  47.  
  48.     /**
  49.      * Address where the first (top left) pixel is mapped,
  50.      * relative to "addr".
  51.      */
  52.     unsigned int offset;   
  53.  
  54.     /** Screen width in pixels. */
  55.     unsigned int x;
  56.  
  57.     /** Screen height in pixels. */
  58.     unsigned int y;
  59.  
  60.     /** Bytes per one scanline. */
  61.     unsigned int scan;
  62.  
  63.     /** Color model. */
  64.     unsigned int visual;
  65. } fb_properties_t;
  66.  
  67. SPINLOCK_EXTERN(fb_lock);
  68.  
  69. void fb_redraw(void);
  70. void fb_init(fb_properties_t *props);
  71.  
  72. #endif
  73.  
  74. /** @}
  75.  */
  76.