Hi Enric, On Tuesday 25 September 2012 09:44:42 Enric Balletbò i Serra wrote: > 2012/9/25 Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>: > > On Monday 24 September 2012 15:49:01 Enric Balletbò i Serra wrote: > >> 2012/9/24 Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>: > >> > On Monday 24 September 2012 10:33:42 Enric Balletbò i Serra wrote: > >> >> Hi everybody, > >> >> > >> >> I'm trying to add support for MT9V034 Aptina image sensor to current > >> >> mainline, as a base of my current work I start using the latest > >> >> omap3isp-next branch from Laurent's git tree [1]. The MT9V034 image > >> >> sensor is very similar to MT9V032 sensor, so I modified current driver > >> >> to accept MT9V034 sensor adding the chip ID. The driver recognizes the > >> >> sensor and I'm able to capture some frames. > >> >> > >> >> I started capturing directly frames using the pipeline Sensor -> CCDC > >> >> > >> >> ./media-ctl -r > >> >> ./media-ctl -l '"mt9v032 3-005c":0->"OMAP3 ISP CCDC":0[1]' > >> >> ./media-ctl -l '"OMAP3 ISP CCDC":1->"OMAP3 ISP CCDC output":0[1]' > >> >> ./media-ctl -f '"mt9v032 3-005c":0 [SGRBG10 752x480]' > >> >> ./media-ctl -f '"OMAP3 ISP CCDC":1 [SGRBG10 752x480]' > >> >> > >> >> # Test pattern > >> >> ./yavta --set-control '0x00981901 1' /dev/v4l-subdev8 > >> >> > >> >> # ./yavta -p -f SGRBG10 -s 752x480 -n 4 --capture=3 /dev/video2 > >> >> > >> >> --file=img-#.bin > >> >> > >> >> To convert to jpg I used bayer2rgb [2] program executing following > >> >> command, > >> >> > >> >> $ convert -size 752x480 GRBG_BAYER:./img-000000.bin > >> >> img-000000.jpg > >> >> > >> >> And the result image looks like this > >> >> > >> >> http://downloads.isee.biz/pub/files/patterns/img-from-sensor.jpg > >> >> > >> >> Seems good, so I tried to use following pipeline Sensor -> CCDC -> > >> >> Preview -> Resizer > >> >> > >> >> ./media-ctl -r > >> >> ./media-ctl -l '"mt9v032 3-005c":0->"OMAP3 ISP CCDC":0[1]' > >> >> ./media-ctl -l '"OMAP3 ISP CCDC":2->"OMAP3 ISP preview":0[1]' > >> >> ./media-ctl -l '"OMAP3 ISP preview":1->"OMAP3 ISP resizer":0[1]' > >> >> ./media-ctl -l '"OMAP3 ISP resizer":1->"OMAP3 ISP resizer > >> >> output":0[1]' > >> >> > >> >> ./media-ctl -V '"mt9v032 3-005c":0[SGRBG10 752x480]' > >> >> ./media-ctl -V '"OMAP3 ISP CCDC":0 [SGRBG10 752x480]' > >> >> ./media-ctl -V '"OMAP3 ISP CCDC":2 [SGRBG10 752x480]' > >> >> ./media-ctl -V '"OMAP3 ISP preview":1 [UYVY 752x480]' > >> >> ./media-ctl -V '"OMAP3 ISP resizer":1 [UYVY 752x480]' > >> >> > >> >> # Set Test pattern > >> >> > >> >> ./yavta --set-control '0x00981901 1' /dev/v4l-subdev8 > >> >> > >> >> ./yavta -f UYVY -s 752x480 --capture=3 --file=img-#.uyvy > >> >> /dev/video6 > >> >> > >> >> I used 'convert' program to pass from UYVY to jpg, > >> >> > >> >> $ convert -size 752x480 img-000000.uyvy img-000000.jpg > >> >> > >> >> and the result image looks like this > >> >> > >> >> http://downloads.isee.biz/pub/files/patterns/img-from-resizer.jpg > >> >> > >> >> As you can see, the image is wrong and I'm not sure if the problem is > >> >> from the sensor, from the previewer, from the resizer or from my > >> >> conversion. Anyone have idea where should I look ? Or which is the > >> >> source of the problem ? > >> > > >> > Could you please post the output of all the above media-ctl and yavta > >> > runs, as well as the captured raw binary frame ? > >> > >> Of course, > >> > >> The log configuring the pipeline Sensor -> CCDC is > >> > >> http://pastebin.com/WX8ex5x2 > >> > >> and the raw image can be found > >> > >> http://downloads.isee.biz/pub/files/patterns/img-000000.bin > > > > It looks like D9 and D8 have trouble keeping their high-level. Possible > > reasons would be conflicts on the signal lines (with something actively > > driving them to a low-level, a pull-down wouldn't have such an effect), > > faulty cable/solder joints (but I doubt that), or sampling the data on > > the wrong edge. > > In that case don't be the first image also wrong ? (the image that > outputs from sensor /dev/video2) Yes, it should be, and http://downloads.isee.biz/pub/files/patterns/img-000000.bin is corrupted. That's the image captured at the CCDC output, isn't it ? > http://downloads.isee.biz/pub/files/patterns/img-from-sensor.jpg How did you capture that one ? > I'll investigate a bit more following this line. > > > The last option should be easy to test, just change the struct > > isp_v4l2_subdevs_group::bus::parallel::clk_pol field. > > I tested and seems this is not the problem. > > >> And the log configuring the pipeline Sensor -> CCDC -> Previewer -> > >> Resizer is http://pastebin.com/wh5ZJwne and the raw image can be found > >> > >> http://downloads.isee.biz/pub/files/patterns/img-000000.uyvy > >> >> > >> >> [1] > >> >> http://git.linuxtv.org/pinchartl/media.git/shortlog/refs/heads/ > >> >> omap3isp-omap3isp-next > >> >> [2] https://github.com/jdthomas/bayer2rgb -- Regards, Laurent Pinchart -- 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
