APPLIED: [PATCH 0/2][SRU][F] Add Intel IPU6 firmware

[Seth Forshee]

On Fri, Mar 26, 2021 at 02:58:35PM +0800, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1921345
> 
> [Impact]
> 
> There are new platforms with MIPI camera based on Intel IPU6(Imaging
> Processing Unit version 6) currently unsupported in Ubuntu.
> 
> [Fix]
> 
> Intel IPU6 can be enabled by integration of following kernel driver,
> firmware, userspace HAL libraries as well as a GStreamer source element:
> 
>   * https://github.com/intel/ipu6-drivers
>   * https://github.com/intel/ipu6-camera-bins
>   * https://github.com/intel/ipu6-camera-hal
>   * https://github.com/intel/icamerasrc
> 
> This patchset took firmware blobs from intel/ipu6-camera-bins.
> 
> [Test Case]
> 
> With kernel/firmware properly installed, the hardware should be ready for
> further development:
> 
>   $ dmesg | grep ipu
>   intel-ipu6 intel-ipu: enabling device (0000 -> 0002)
>   intel-ipu6 intel-ipu: Device 0x9a19 (rev: 0x1)
>   intel-ipu6 intel-ipu: physical base address 0x6054000000
>   intel-ipu6 intel-ipu: mapped as: 0x0000000097793328
>   intel-ipu6 intel-ipu: IPU in secure mode
>   intel-ipu6 intel-ipu: IPC reset done
>   intel-ipu6 intel-ipu: cpd file name: intel/ipu6_fw.bin
>   intel-ipu6 intel-ipu: FW version: 20201222
>   intel-ipu6 intel-ipu: Sending BOOT_LOAD to CSE
>   intel-ipu6 intel-ipu: Sending AUTHENTICATE_RUN to CSE
>   intel-ipu6 intel-ipu: CSE authenticate_run done
>   intel-ipu6 intel-ipu: IPU driver version 1.0
>   intel-ipu6-psys intel-ipu6-psys0: pkg_dir entry count:8
>   intel-ipu6-psys intel-ipu6-psys0: psys probe minor: 0
>   intel-ipu6-isys intel-ipu6-isys0: bind ov01a1s 20-0036 nlanes is 1
> port is 1
>   intel-ipu6-isys intel-ipu6-isys0: All sensor registration completed.
>   intel-ipu6-isys intel-ipu6-isys0: stream on ov01a1s 20-0036
> 
> There should be nearly 24 video4linux devices created under /dev.
> 
> [Where problems could occur]
> 
> MIPI camera through Intel IPU6 takes also firmware blobs loaded in
> runtime from user space, and addtional softwares are also required to
> fully enable it for oridinary use. The exposed video devices are hidden
> from general users and a relay daemon+v4l2loopback is used to enable
> use from existing applications.
> 
> This firmware blob is specific for IPU6 and is not used by any other
> party.
> 
> [Other Info]
> 
> So far Intel has no plan to commit this driver to upstream yet, so it's
> only nominated for focal. It will only be nominated to other series
> when the plan/requirements have changed.

Thanks for the heads-up that the kernel patches were commited. Applied,
thanks!