1What:		/sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_alpha
2Date:		May 2012
3Contact:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
4Description:
5		This file is only available on fb[0-9] devices corresponding
6		to overlay planes.
7
8		Stores the alpha blending value for the overlay. Values range
9		from 0 (transparent) to 255 (opaque). The value is ignored if
10		the mode is not set to Alpha Blending.
11
12What:		/sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode
13Date:		May 2012
14Contact:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
15Description:
16		This file is only available on fb[0-9] devices corresponding
17		to overlay planes.
18
19		Selects the composition mode for the overlay. Possible values
20		are:
21
22		- 0 - Alpha Blending
23		- 1 - ROP3
24
25What:		/sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position
26Date:		May 2012
27Contact:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
28Description:
29		This file is only available on fb[0-9] devices corresponding
30		to overlay planes.
31
32		Stores the x,y overlay position on the display in pixels. The
33		position format is `[0-9]+,[0-9]+`.
34
35What:		/sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3
36Date:		May 2012
37Contact:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
38Description:
39		This file is only available on fb[0-9] devices corresponding
40		to overlay planes.
41
42		Stores the raster operation (ROP3) for the overlay. Values
43		range from 0 to 255. The value is ignored if the mode is not
44		set to ROP3.
45