Re: TW2866 i2c driver and solo6x10

[Marty Plummer <netz.kernel@gmail.com>]

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On 08/03/2016 04:35 PM, Marty Plummer wrote:
> On 08/03/2016 04:01 PM, Andrey Utkin wrote:
>> On Wed, Aug 03, 2016 at 03:26:39PM -0500, Marty Plummer wrote:
>>> An understanable sentement, but its not just about me (though I actually own two
>>> of the same dvr's). There is a large number, if reports are to be believed, of
>>> more or less identical dvr systems with the same security holes and hard-coded
>>> credentials, with no vendor firmware updates. In addition, I am also in possesion
>>> of the chip vendor sdk with full source code for the kernel and modules and a
>>> host of pertenant datasheets. My end goal is something along the line of openwrt
>>> or lede for these systems in the interest of the community at large.
>>>
>>> I'm not averse to the concept of hard work, and while I'm very experienced when
>>> it comes to kernel hacking I think I can manage well enough with relevant source
>>> and examples, of which there is a large amount.
>>>
>>> One concern I have is dealing with devicetree, but I think I can manage.
>>>
>>
>> That's intriguing. I'm interested to know what this model is and where
>> it can be bought, and also to see all the sdk. BTW have you got sdk from
>> manufacturer after asking for it, or otherwise? Are manufacturers keen
>> to answer technical questions?
>>
> The particular device in question was sold by an american company called
> Night Owl (nightowlsp.com) and is the zeus-dvr5/10 (otherwise identical
> except for the installed hdd size). The main board bears the markings
> "rs-dm-77a" and the main webserver type binary is called 'raysharp_dvr',
> and only operates in IE using activex and reduced security settings.
> 
> I'm not certain if you can outright buy it new anymore, as it is very
> old and out of warranty, but a million new clones pop up each day, all
> based on the same hi35xx chipset (mine is hi3520 in particular).
> 
> I've uploaded most of the source files to https://github.com/Hi-Spy/hi3520
> with exception to the PDFs and binary blobs. The sdk is based around
> kernel version 2.6.24, so it's quite old, but only has around 10k lines
> of diff files between it and stock.
> 
> No, I was in communication with a few people with @hisilicon.com emails
> that I managed to find on the kernel mailing list (see arch/arm/mach-hisi)
> who eventually pointed me at mobile@huawei.com, but I've yet to recieve
> a response. In the meanwhile I was trawling the chinese internet for
> data, and managed to come across someone selling it for 5yuan, which is
> too cheap to pass up. I don't know how cooperative they are going to be,
> considering they've been using linux, u-boot, and a host of other GPL'd
> software without mention or license for at least 5 years, the release
> date of my particular SoC.
> 
> 
> 
Ah crap. I meant to include a 'not' or 'in' in the "While I'm very experienced"
sentence. Brain not working.


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