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/* Public domain. */
#ifndef _LINUX_FB_H
#define _LINUX_FB_H
#include <sys/types.h>
#include <linux/slab.h>
#include <linux/notifier.h>
#include <linux/backlight.h>
#include <linux/kgdb.h>
#include <linux/fs.h>
struct fb_cmap;
struct fb_fillrect;
struct fb_copyarea;
struct fb_image;
struct fb_info;
struct apertures_struct;
struct fb_var_screeninfo {
int pixclock;
uint32_t width;
uint32_t height;
};
struct fb_ops {
int (*fb_set_par)(struct fb_info *);
};
struct fb_info {
struct fb_var_screeninfo var;
const struct fb_ops *fbops;
char *screen_buffer;
void *par;
int fbcon_rotate_hint;
bool skip_vt_switch;
int flags;
};
#define KHZ2PICOS(a) (1000000000UL/(a))
#define FB_BLANK_UNBLANK 0
#define FB_BLANK_NORMAL 1
#define FB_BLANK_HSYNC_SUSPEND 2
#define FB_BLANK_VSYNC_SUSPEND 3
#define FB_BLANK_POWERDOWN 4
#define FBINFO_STATE_RUNNING 0
#define FBINFO_STATE_SUSPENDED 1
#define FBINFO_HIDE_SMEM_START 0
#define FB_ROTATE_UR 0
#define FB_ROTATE_CW 1
#define FB_ROTATE_UD 2
#define FB_ROTATE_CCW 3
static inline struct fb_info *
framebuffer_alloc(size_t size, void *dev)
{
return kzalloc(sizeof(struct fb_info) + size, GFP_KERNEL);
}
static inline void
fb_set_suspend(struct fb_info *fbi, int s)
{
}
static inline void
framebuffer_release(struct fb_info *fbi)
{
kfree(fbi);
}
static inline int
fb_get_options(const char *name, char **opt)
{
return 0;
}
static inline int
register_framebuffer(struct fb_info *fbi)
{
if (fbi->fbops && fbi->fbops->fb_set_par)
fbi->fbops->fb_set_par(fbi);
return 0;
}
static inline void
unregister_framebuffer(struct fb_info *fbi)
{
}
#endif
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