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 */
28