On Thu, Mar 3, 2016 at 9:45 AM, Steve Longerbeam <steve_longerbeam@xxxxxxxxxx> wrote: > Hi Philippe, > > On 03/03/2016 12:36 AM, Philippe De Muyter wrote: >> >> Just to be sure : do you mean https://github.com/slongerbeam/mediatree.git >> or something else ? > > Sorry, yes I meant https://github.com/slongerbeam/mediatree.git. > >> >>>> So far I have retested video capture with the SabreAuto/ADV7180 and >>>> the SabreSD/OV5640-mipi-csi2, and video capture is working fine on >>>> those platforms. >>>> >>>> There is also a mem2mem that should work fine, but haven't tested yet. >>>> >>>> I removed camera preview support. At Mentor Graphics we have made >>>> quite a few changes to ipu-v3 driver to allow camera preview to initialize >>>> and control an overlay display plane independently of imx-drm, by adding >>>> a subsystem independent ipu-plane sub-unit. Note we also have a video >>>> output overlay driver that also makes use of ipu-plane. But those changes are >>>> extensive and touch imx-drm as well as ipu-v3, so I am leaving camera preview >>>> and the output overlay driver out (in fact, camera preview is not of much >>>> utility so I probably won't bring it back in upstream version). >>>> >>>> The video capture driver is not quite ready for upstream review yet. It still: >>>> >>>> - uses the old cropping APIs but should move forward to selection APIs. >>>> >>>> - uses custom sensor subdev drivers for ADV7180 and OV564x. Still >>>> need to switch to upstream subdevs. >> Is it only a problem of those sensor drivers (which exact files ?) or >> is it a problem of the capture driver itself ? > > The camera interface driver (drivers/staging/media/imx6/capture/mx6-camif.c) > is binding to these subdevs: > > drivers/staging/media/imx6/capture/adv7180.c > drivers/staging/media/imx6/capture/ov5642.c > drivers/staging/media/imx6/capture/ov5640-mipi.c > > But instead should use the subdevs under drivers/media/i2c, specifically: > > drivers/media/i2c/adv7180.c (and adding whatever standard subdev features > the imx6 interface driver requires). > > There is a drivers/media/i2c/soc_camera/ov5642.c, but there is no mipi-csi2 > capable subdev for the ov5640 with the mipi-csi2 interface, so that would have > to be created. > Steve, I've built your mx6-media-staging branch and added device-tree config for the Gateworks Ventana boards which have an on-board ADV7180 and it works great. I've tested it capturing frames via v4l2-ctl as well as gstreamer. Please let me know what kind of testing you need. I would love to see this get mainlined! Regards, Tim Tim Harvey - Principal Software Engineer Gateworks Corporation - http://www.gateworks.com/ 3026 S. Higuera St. San Luis Obispo CA 93401 805-781-2000 -- 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
