drivers/video/fbdev/sbuslib.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* sbuslib.h: SBUS fb helper library interfaces */
   3 #ifndef _SBUSLIB_H
   4 #define _SBUSLIB_H
   5
   6 struct sbus_mmap_map {
   7         unsigned long voff;
   8         unsigned long poff;
   9         unsigned long size;
  10 };
  11
  12 #define SBUS_MMAP_FBSIZE(n) (-n)
  13 #define SBUS_MMAP_EMPTY 0x80000000
  14
  15 extern void sbusfb_fill_var(struct fb_var_screeninfo *var,
  16                             struct device_node *dp, int bpp);
  17 struct vm_area_struct;
  18 extern int sbusfb_mmap_helper(struct sbus_mmap_map *map,
  19                               unsigned long physbase, unsigned long fbsize,
  20                               unsigned long iospace,
  21                               struct vm_area_struct *vma);
  22 int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
  23                         struct fb_info *info,
  24                         int type, int fb_depth, unsigned long fb_size);
  25 int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,
  26                         unsigned long arg);
  27
  28 #endif /* _SBUSLIB_H */