/* SPDX-License-Identifier: GPL-2.0 *//* sbuslib.h: SBUS fb helper library interfaces */#ifndef _SBUSLIB_H#define _SBUSLIB_H struct sbus_mmap_map {	unsigned long voff;	unsigned long poff;	unsigned long size;}; #define SBUS_MMAP_FBSIZE(n) (-n)#define SBUS_MMAP_EMPTY	0x80000000 extern void sbusfb_fill_var(struct fb_var_screeninfo *var,			    struct device_node *dp, int bpp);struct vm_area_struct;extern int sbusfb_mmap_helper(struct sbus_mmap_map *map,			      unsigned long physbase, unsigned long fbsize,			      unsigned long iospace,			      struct vm_area_struct *vma);int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,			struct fb_info *info,			int type, int fb_depth, unsigned long fb_size);int sbusfb_compat_ioctl(struct fb_info *info, unsigned int cmd,			unsigned long arg); #endif /* _SBUSLIB_H */