Hi,
On Wed, 2009-04-22 at 08:25 +0200, ext Hardik Shah wrote:
> This is the version 5th of the Driver.
>
> Following are the features supported.
> 1. Provides V4L2 user interface for the video pipelines of DSS
> 2. Basic streaming working on LCD and TV.
> 3. Support for various pixel formats like YUV, UYVY, RGB32, RGB24, RGB565
> 4. Supports Alpha blending.
> 5. Supports Color keying both source and destination.
> 6. Supports rotation with RGB565 and RGB32 pixels formats.
> 7. Supports cropping.
> 8. Supports Background color setting.
> 9. Works on latest DSS2 library from Tomi
> http://www.bat.org/~tomba/git/linux-omap-dss.git/
> 10. 1/4x scaling added. Detail testing left
>
> TODOS
> 1. Ioctls needs to be added for color space conversion matrix
> coefficient programming.
> 2. To be tested on DVI resolutions.
>
> Comments fixed from community.
> 1. V4L2 Driver for OMAP3/3 DSS.
> 2. Conversion of the custom ioctls to standard V4L2 ioctls like alpha
> blending,
> color keying, rotation and back ground color setting
> 3. Re-organised the code as per community comments.
> 4. Added proper copyright year.
> 5. Added module name in printk
> 6. Kconfig option copy/paste error
> 7. Module param desc addded.
> 8. Query control implemented using standard query_fill
> 9. Re-arranged if-else constructs.
> 10. Changed to use mutex instead of semaphore.
> 11. Removed dual usage of rotation angles.
> 12. Implemented function to convert the V4L2 angle to DSS angle.
> 13. Y-position was set half by video driver for TV output
> Now its done by DSS so removed that.
> 14. Minor cleanup
> 15. Added support to pass the page offset to application.
> 14. Minor cleanup
> 15. Added support to pass the page offset to application.
> 16. Renamed V4L2_CID_ROTATION to V4L2_CID_ROTATE
> 17. Major comment from Hans fixed.
> 18. Copy right year changed.
> 19. Added module name for each error/warning print message.
>
> Changes from Previous Version.
> 1. Supported YUV rotation.
> 2. Supported Flipping.
> 3. Rebased line with Tomi's latest DSS2 master branch with commit id
> f575a02edf2218a18d6f2ced308b4f3e26b44ce2.
> 4. Kconfig option removed to select between the TV and LCD.
> Now supported dynamically by DSS2 library.
> 5. Kconfig option for the NTSC_M and PAL_BDGHI mode but not
> supported by DSS2. so it will not work now.
There is basic support for this. See the DSS doc:
/sys/devices/platform/omapdss/display? directory:
...
timings Display timings (pixclock,xres/hfp/hbp/hsw,yres/vfp/vbp/vsw)
When writing, two special timings are accepted for tv-out:
"pal" and "ntsc"
Tomi
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
