LXR linux/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
   6struct 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
  15extern void sbusfb_fill_var(struct fb_var_screeninfo *var,
  16                            struct device_node *dp, int bpp);
  17struct vm_area_struct;
  18extern 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);
  22int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
  23                        struct fb_info *info,
  24                        int type, int fb_depth, unsigned long fb_size);
  25int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,
  26                        unsigned long arg);
  27
  28#endif /* _SBUSLIB_H */
  29