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

[You-Sheng Yang]

On 4/1/21 2:41 AM, Seth Forshee wrote:
> 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.
> 
> The license for this firmware looks to be the same as the one used for
> other Intel firmware, so carrying these files should be fine. I've been
> waiting to see if the kernel patches also get applied, which hasn't
> happened yet. Assuming those patches are applied:
> 
> Acked-by: Seth Forshee <seth.forshee at canonical.com>
> 
> But we should hold off applying these until it's clear the kernel
> patches will also be applied.

We have the kernel part in oem-5.10 1024 now. Would you mind have a
release with this IPU6 firmware?

Thanks,
Vicamo

> Thanks,
> Seth
>