> -----Original Message----- > From: Tomi Valkeinen [mailto:tomi.valkeinen@xxxxxxxxx] > Sent: Wednesday, April 22, 2009 1:53 PM > To: Shah, Hardik > Cc: linux-media@xxxxxxxxxxxxxxx; linux-omap@xxxxxxxxxxxxxxx; Jadav, Brijesh R; > Hiremath, Vaibhav > Subject: Re: [PATCH 3/3] OMAP2/3 V4L2 Display Driver > > 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" [Shah, Hardik] I was not aware of it will remove the compile time option and for now let the sysfs entry change the standard. In future I will try to do it with the S_STD and G_STD ioctls of the V4L2 framework. > > Tomi > > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
