Laurent Pinchart | c5deac3 | 2011-12-12 18:43:16 +0100 | [diff] [blame] | 1 | What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_alpha |
| 2 | Date: May 2012 |
| 3 | Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 4 | Description: |
| 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 | |
| 12 | What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_mode |
| 13 | Date: May 2012 |
| 14 | Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 15 | Description: |
| 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 | |
| 25 | What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_position |
| 26 | Date: May 2012 |
| 27 | Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 28 | Description: |
| 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 | |
| 35 | What: /sys/devices/platform/sh_mobile_lcdc_fb.[0-3]/graphics/fb[0-9]/ovl_rop3 |
| 36 | Date: May 2012 |
| 37 | Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
| 38 | Description: |
| 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. |