From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-oi0-f67.google.com ([209.85.218.67]:35577 "EHLO mail-oi0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758358AbcHCWFK (ORCPT ); Wed, 3 Aug 2016 18:05:10 -0400 Received: by mail-oi0-f67.google.com with SMTP id w143so21190030oiw.2 for ; Wed, 03 Aug 2016 15:05:09 -0700 (PDT) Received: from [192.168.1.7] (cpe-72-176-73-111.stx.res.rr.com. [72.176.73.111]) by smtp.gmail.com with ESMTPSA id a38sm3930431oic.16.2016.08.03.15.05.08 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 03 Aug 2016 15:05:08 -0700 (PDT) Subject: Re: TW2866 i2c driver and solo6x10 To: linux-media References: <25e70ffb-147a-33f4-76cf-3435ab555520@gmail.com> <75985f71-e1d6-cf22-91c0-6429955156e6@gmail.com> From: Marty Plummer Message-ID: <59f51702-cbc6-deda-c64e-56938b4c33e6@gmail.com> Date: Wed, 3 Aug 2016 17:05:01 -0500 MIME-Version: 1.0 In-Reply-To: <75985f71-e1d6-cf22-91c0-6429955156e6@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="hDBMN32a1FJIvQbFJkvE3Cc8jH7k7X9uH" Sender: linux-media-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --hDBMN32a1FJIvQbFJkvE3Cc8jH7k7X9uH Content-Type: multipart/mixed; boundary="mVqDpuVCl6dsnFNHRqTIPEW35sxqsugeE" From: Marty Plummer To: linux-media Message-ID: <59f51702-cbc6-deda-c64e-56938b4c33e6@gmail.com> Subject: Re: TW2866 i2c driver and solo6x10 References: <25e70ffb-147a-33f4-76cf-3435ab555520@gmail.com> <75985f71-e1d6-cf22-91c0-6429955156e6@gmail.com> In-Reply-To: <75985f71-e1d6-cf22-91c0-6429955156e6@gmail.com> --mVqDpuVCl6dsnFNHRqTIPEW35sxqsugeE Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: quoted-printable 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 actua= lly own two >>> of the same dvr's). There is a large number, if reports are to be bel= ieved, of >>> more or less identical dvr systems with the same security holes and h= ard-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 modul= es 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 experi= enced when >>> it comes to kernel hacking I think I can manage well enough with rele= vant source >>> and examples, of which there is a large amount. >>> >>> One concern I have is dealing with devicetree, but I think I can mana= ge. >>> >> >> 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 fr= om >> 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 calle= d > 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. >=20 > 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). >=20 > I've uploaded most of the source files to https://github.com/Hi-Spy/hi3= 520 > 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. >=20 > 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-hi= si) > 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. >=20 >=20 >=20 Ah crap. I meant to include a 'not' or 'in' in the "While I'm very experi= enced" sentence. Brain not working. --mVqDpuVCl6dsnFNHRqTIPEW35sxqsugeE-- --hDBMN32a1FJIvQbFJkvE3Cc8jH7k7X9uH Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIbBAEBCAAGBQJXomqNAAoJEHWEtN3AMJGNexIP93uGeTtvQ5qqC0RN54YOjTUf uDUmhUkChoh5COSasUscZlUKCl2tFj7nexsEcuROgU0UK4SmApKJo8ke0Ixxv3Ol 8WQawQ//2EPMBCNermvLkVIecumkT+onDoFu4v4vauNMSwmbYcBsblV34f3b0wB+ CwZ5EO+QXPWJo91HnA45p2szlP+AI11Gq68SaQ8fDjyXpaozWMN5fl5EK2B37ZZt 5jczkfeJhtxkw1/ulD6Vs2/aibBfRFPdbgJyEmHWGcKvJGUq6gi+NB70c3efahMw j7xeudYoAGws/vZ0YWawKEhV9aG+2niFM7PY05HtGw8/HPsJtm6wJEGINhbZvTcr bK/z63uvgLVJsxeQhDZ+mbyFRLWCzDJ0B9Tk1699C+Un01b/iWzTibZPcyARCQUr OjlAnWt6b9OrE8SxUwk0hfxy5SWp1+yLzXLMbcWQqH94VAaFjhVOSWCAtA9EAvXE McsEFJhTNOzPK8pzAKlTPxpCZroVyZ2OHpt9XNWW4efrFCFvWWs2Dw0YHL1KXLT8 uZWJb9/1l+rewRhNOLQnPrZv/n7JvNLfr0+BpejSJhdpwqy7z6hMovolInp3rm9F k33V0LQaPy4orREKcnsLnCH4ND9eKwfE0jOGMFZpwfoqR18gtF00goU+Kr4PXX+k qLHPwHeUWhlfYroT5U8= =uMho -----END PGP SIGNATURE----- --hDBMN32a1FJIvQbFJkvE3Cc8jH7k7X9uH--