1c5deac3cSLaurent PinchartWhat:		/sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_alpha
2c5deac3cSLaurent PinchartDate:		May 2012
3c5deac3cSLaurent PinchartContact:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
4c5deac3cSLaurent PinchartDescription:
5c5deac3cSLaurent Pinchart		This file is only available on fb[0-9] devices corresponding
6c5deac3cSLaurent Pinchart		to overlay planes.
7c5deac3cSLaurent Pinchart
8c5deac3cSLaurent Pinchart		Stores the alpha blending value for the overlay. Values range
9c5deac3cSLaurent Pinchart		from 0 (transparent) to 255 (opaque). The value is ignored if
10c5deac3cSLaurent Pinchart		the mode is not set to Alpha Blending.
11c5deac3cSLaurent Pinchart
12c5deac3cSLaurent PinchartWhat:		/sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode
13c5deac3cSLaurent PinchartDate:		May 2012
14c5deac3cSLaurent PinchartContact:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
15c5deac3cSLaurent PinchartDescription:
16c5deac3cSLaurent Pinchart		This file is only available on fb[0-9] devices corresponding
17c5deac3cSLaurent Pinchart		to overlay planes.
18c5deac3cSLaurent Pinchart
19c5deac3cSLaurent Pinchart		Selects the composition mode for the overlay. Possible values
2034433332SMauro Carvalho Chehab		are:
21c5deac3cSLaurent Pinchart
2234433332SMauro Carvalho Chehab		- 0 - Alpha Blending
2334433332SMauro Carvalho Chehab		- 1 - ROP3
24c5deac3cSLaurent Pinchart
25c5deac3cSLaurent PinchartWhat:		/sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position
26c5deac3cSLaurent PinchartDate:		May 2012
27c5deac3cSLaurent PinchartContact:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
28c5deac3cSLaurent PinchartDescription:
29c5deac3cSLaurent Pinchart		This file is only available on fb[0-9] devices corresponding
30c5deac3cSLaurent Pinchart		to overlay planes.
31c5deac3cSLaurent Pinchart
32c5deac3cSLaurent Pinchart		Stores the x,y overlay position on the display in pixels. The
3334433332SMauro Carvalho Chehab		position format is `[0-9]+,[0-9]+`.
34c5deac3cSLaurent Pinchart
35c5deac3cSLaurent PinchartWhat:		/sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3
36c5deac3cSLaurent PinchartDate:		May 2012
37c5deac3cSLaurent PinchartContact:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
38c5deac3cSLaurent PinchartDescription:
39c5deac3cSLaurent Pinchart		This file is only available on fb[0-9] devices corresponding
40c5deac3cSLaurent Pinchart		to overlay planes.
41c5deac3cSLaurent Pinchart
42c5deac3cSLaurent Pinchart		Stores the raster operation (ROP3) for the overlay. Values
43c5deac3cSLaurent Pinchart		range from 0 to 255. The value is ignored if the mode is not
44c5deac3cSLaurent Pinchart		set to ROP3.
45