This patch adds a data structure definiton to hold framebuffer windows/planes.
An ioctl number is also added to provide user access
to change window position dynamically.
Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
Signed-off-by: Banajit Goswami <banajit.g@xxxxxxxxxxx>
Suggested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
include/linux/fb.h | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 1d6836c..2141941 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -39,6 +39,7 @@
#define FBIOPUT_MODEINFO 0x4617
#define FBIOGET_DISPINFO 0x4618
#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
+#define FBIOPOS_OVERLAY_WIN _IOW('F', 0x21, struct fb_overlay_win_pos)
#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
#define FB_TYPE_PLANES 1 /* Non interleaved planes */
@@ -366,6 +367,12 @@ struct fb_image {
struct fb_cmap cmap; /* color map info */
};
+/* Window overlaying */
+struct fb_overlay_win_pos {
+ __u32 win_pos_x; /* x-offset from LCD(0,0) where window starts */
+ __u32 win_pos_y; /* y-offset from LCD(0,0) where window starts */
+};
+
/*
* hardware cursor control
*/
--
1.7.0.4
--
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