diff options
Diffstat (limited to 'include/linux/fb.h')
| -rw-r--r-- | include/linux/fb.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h index 2f8013318..0b55b363b 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -24,6 +24,7 @@ #define FBIOGET_CON2FBMAP 0x460F #define FBIOPUT_CON2FBMAP 0x4610 #define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */ +#define FBIOGET_VBLANK _IOR('F', 0x12, struct fb_vblank) #define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */ #define FB_TYPE_PLANES 1 /* Non interleaved planes */ @@ -211,6 +212,24 @@ struct fb_monspecs { unsigned dpms : 1; /* supports DPMS */ }; +#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */ +#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */ +#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */ +#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */ +#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */ +#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */ +#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */ +#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */ +#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */ + +struct fb_vblank { + __u32 flags; /* FB_VBLANK flags */ + __u32 count; /* counter of retraces since boot */ + __u32 vcount; /* current scanline position */ + __u32 hcount; /* current scandot position */ + __u32 reserved[4]; /* reserved for future compatibility */ +}; + #ifdef __KERNEL__ #if 1 /* to go away in 2.4.0 */ |