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   1 /* sbuslib.h: SBUS fb helper library interfaces */
   2 #ifndef _SBUSLIB_H
   3 #define _SBUSLIB_H
   4
   5 struct sbus_mmap_map {
   6         unsigned long voff;
   7         unsigned long poff;
   8         unsigned long size;
   9 };
  10
  11 #define SBUS_MMAP_FBSIZE(n) (-n)
  12 #define SBUS_MMAP_EMPTY 0x80000000
  13
  14 extern void sbusfb_fill_var(struct fb_var_screeninfo *var,
  15                             struct device_node *dp, int bpp);
  16 struct vm_area_struct;
  17 extern int sbusfb_mmap_helper(struct sbus_mmap_map *map,
  18                               unsigned long physbase, unsigned long fbsize,
  19                               unsigned long iospace,
  20                               struct vm_area_struct *vma);
  21 int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
  22                         struct fb_info *info,
  23                         int type, int fb_depth, unsigned long fb_size);
  24 int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,
  25                         unsigned long arg);
  26
  27 #endif /* _SBUSLIB_H */