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 */ 29