/* SPDX-License-Identifier: GPL-2.0 *//* sbuslib.h: SBUS fb helper library interfaces */#ifndef _SBUSLIB_H#define _SBUSLIB_H struct device_node;struct fb_info;struct fb_var_screeninfo;struct vm_area_struct; 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);extern int sbusfb_mmap_helper(const 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); /* * Initialize struct fb_ops for SBUS I/O. */ #define __FB_DEFAULT_SBUS_OPS_RDWR(__prefix) \	.fb_read	= fb_io_read, \	.fb_write	= fb_io_write #define __FB_DEFAULT_SBUS_OPS_DRAW(__prefix) \	.fb_fillrect	= cfb_fillrect, \	.fb_copyarea	= cfb_copyarea, \	.fb_imageblit	= cfb_imageblit #ifdef CONFIG_COMPAT#define __FB_DEFAULT_SBUS_OPS_IOCTL(__prefix) \	.fb_ioctl		= __prefix ## _sbusfb_ioctl, \	.fb_compat_ioctl	= sbusfb_compat_ioctl#else#define __FB_DEFAULT_SBUS_OPS_IOCTL(__prefix) \	.fb_ioctl	= __prefix ## _sbusfb_ioctl#endif #define __FB_DEFAULT_SBUS_OPS_MMAP(__prefix) \	.fb_mmap	= __prefix ## _sbusfb_mmap #define FB_DEFAULT_SBUS_OPS(__prefix) \	__FB_DEFAULT_SBUS_OPS_RDWR(__prefix), \	__FB_DEFAULT_SBUS_OPS_DRAW(__prefix), \	__FB_DEFAULT_SBUS_OPS_IOCTL(__prefix), \	__FB_DEFAULT_SBUS_OPS_MMAP(__prefix) #endif /* _SBUSLIB_H */