| /* 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 */ |