Re: [PATCH v3 00/31] v4l: add support for multiplexed streams
On Fri, Mar 08, 2019 at 02:19:03PM +0100, Jacopo Mondi wrote: > Hi Sakari and Niklas, > > On Thu, Mar 07, 2019 at 11:47:26AM +0200, Sakari Ailus wrote: > > Hi Jacopo, > > > > On Tue, Mar 05, 2019 at 07:51:19PM +0100, Jacopo Mondi wrote: > > > Hello, > > >third version of multiplexed stream support patch series. > > > > > > V2 sent by Niklas is available at: > > > https://patchwork.kernel.org/cover/10573817/ > > > > > > As per v2, most of the core patches are work from Sakari and Laurent, with > > > Niklas' support on top for adv748x and rcar-csi2. > > > > > > The use case of the series remains the same: support for virtual channel > > > selection implemented on R-Car Gen3 and adv748x. Quoting the v2 cover > > > letter: > > > > > > --- > > > I have added driver support for the devices used on the Renesas Gen3 > > > platforms, a ADV7482 connected to the R-Car CSI-2 receiver. With these > > > changes I can control which of the analog inputs of the ADV7482 the > > > video source is captured from and on which CSI-2 virtual channel the > > > video is transmitted on to the R-Car CSI-2 receiver. > > > > > > The series adds two new subdev IOCTLs [GS]_ROUTING which allows > > > user-space to get and set routes inside a subdevice. I have added RFC > > > support for these to v4l-utils [2] which can be used to test this > > > series, example: > > > > > > Check the internal routing of the adv748x csi-2 transmitter: > > > v4l2-ctl -d /dev/v4l-subdev24 --get-routing > > > 0/0 -> 1/0 [ENABLED] > > > 0/0 -> 1/1 [] > > > 0/0 -> 1/2 [] > > > 0/0 -> 1/3 [] > > > > > > > > > Select that video should be outputed on VC 2 and check the result: > > > $ v4l2-ctl -d /dev/v4l-subdev24 --set-routing '0/0 -> 1/2 [1]' > > > > > > $ v4l2-ctl -d /dev/v4l-subdev24 --get-routing > > > 0/0 -> 1/0 [] > > > 0/0 -> 1/1 [] > > > 0/0 -> 1/2 [ENABLED] > > > 0/0 -> 1/3 [] > > > --- > > > > > > Below is reported the media graph of the system used for testing [1]. > > > > > > v4l2-ctl patches to handle the newly introduced IOCTLs are available from > > > Niklas' repository at: > > > git://git.ragnatech.se/v4l-utils routing > > > > Could you send the v4l2-ctl patches out as well, please? > > > > Niklas sent them on late 2017... time flies :) > https://patchwork.kernel.org/patch/10113189/ > > Would you like to have them re-sent? Oh, well, sure, if there are no changes, no need to resend. Thanks for the pointer. -- Sakari Ailus sakari.ai...@linux.intel.com
Re: [PATCH v3 00/31] v4l: add support for multiplexed streams
Hi Sakari and Niklas, On Thu, Mar 07, 2019 at 11:47:26AM +0200, Sakari Ailus wrote: > Hi Jacopo, > > On Tue, Mar 05, 2019 at 07:51:19PM +0100, Jacopo Mondi wrote: > > Hello, > >third version of multiplexed stream support patch series. > > > > V2 sent by Niklas is available at: > > https://patchwork.kernel.org/cover/10573817/ > > > > As per v2, most of the core patches are work from Sakari and Laurent, with > > Niklas' support on top for adv748x and rcar-csi2. > > > > The use case of the series remains the same: support for virtual channel > > selection implemented on R-Car Gen3 and adv748x. Quoting the v2 cover > > letter: > > > > --- > > I have added driver support for the devices used on the Renesas Gen3 > > platforms, a ADV7482 connected to the R-Car CSI-2 receiver. With these > > changes I can control which of the analog inputs of the ADV7482 the > > video source is captured from and on which CSI-2 virtual channel the > > video is transmitted on to the R-Car CSI-2 receiver. > > > > The series adds two new subdev IOCTLs [GS]_ROUTING which allows > > user-space to get and set routes inside a subdevice. I have added RFC > > support for these to v4l-utils [2] which can be used to test this > > series, example: > > > > Check the internal routing of the adv748x csi-2 transmitter: > > v4l2-ctl -d /dev/v4l-subdev24 --get-routing > > 0/0 -> 1/0 [ENABLED] > > 0/0 -> 1/1 [] > > 0/0 -> 1/2 [] > > 0/0 -> 1/3 [] > > > > > > Select that video should be outputed on VC 2 and check the result: > > $ v4l2-ctl -d /dev/v4l-subdev24 --set-routing '0/0 -> 1/2 [1]' > > > > $ v4l2-ctl -d /dev/v4l-subdev24 --get-routing > > 0/0 -> 1/0 [] > > 0/0 -> 1/1 [] > > 0/0 -> 1/2 [ENABLED] > > 0/0 -> 1/3 [] > > --- > > > > Below is reported the media graph of the system used for testing [1]. > > > > v4l2-ctl patches to handle the newly introduced IOCTLs are available from > > Niklas' repository at: > > git://git.ragnatech.se/v4l-utils routing > > Could you send the v4l2-ctl patches out as well, please? > Niklas sent them on late 2017... time flies :) https://patchwork.kernel.org/patch/10113189/ Would you like to have them re-sent? Thanks j > -- > Sakari Ailus > sakari.ai...@linux.intel.com signature.asc Description: PGP signature
Re: [PATCH v3 00/31] v4l: add support for multiplexed streams
Hi Jacopo, On Tue, Mar 05, 2019 at 07:51:19PM +0100, Jacopo Mondi wrote: > Hello, >third version of multiplexed stream support patch series. > > V2 sent by Niklas is available at: > https://patchwork.kernel.org/cover/10573817/ > > As per v2, most of the core patches are work from Sakari and Laurent, with > Niklas' support on top for adv748x and rcar-csi2. > > The use case of the series remains the same: support for virtual channel > selection implemented on R-Car Gen3 and adv748x. Quoting the v2 cover letter: > > --- > I have added driver support for the devices used on the Renesas Gen3 > platforms, a ADV7482 connected to the R-Car CSI-2 receiver. With these > changes I can control which of the analog inputs of the ADV7482 the > video source is captured from and on which CSI-2 virtual channel the > video is transmitted on to the R-Car CSI-2 receiver. > > The series adds two new subdev IOCTLs [GS]_ROUTING which allows > user-space to get and set routes inside a subdevice. I have added RFC > support for these to v4l-utils [2] which can be used to test this > series, example: > > Check the internal routing of the adv748x csi-2 transmitter: > v4l2-ctl -d /dev/v4l-subdev24 --get-routing > 0/0 -> 1/0 [ENABLED] > 0/0 -> 1/1 [] > 0/0 -> 1/2 [] > 0/0 -> 1/3 [] > > > Select that video should be outputed on VC 2 and check the result: > $ v4l2-ctl -d /dev/v4l-subdev24 --set-routing '0/0 -> 1/2 [1]' > > $ v4l2-ctl -d /dev/v4l-subdev24 --get-routing > 0/0 -> 1/0 [] > 0/0 -> 1/1 [] > 0/0 -> 1/2 [ENABLED] > 0/0 -> 1/3 [] > --- > > Below is reported the media graph of the system used for testing [1]. > > v4l2-ctl patches to handle the newly introduced IOCTLs are available from > Niklas' repository at: > git://git.ragnatech.se/v4l-utils routing Could you send the v4l2-ctl patches out as well, please? -- Sakari Ailus sakari.ai...@linux.intel.com
