linux-kernel - Re: [PATCH 0/6] Support for LEGO MINDSTORMS EV3 LCD display

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <03f423be-7b4c-13ec-7126-c0d9af6ebe4a@lechnology.com>
Date:   Thu, 3 Aug 2017 20:08:57 -0500
From:   David Lechner <david@...hnology.com>
To:     Noralf Trønnes <noralf@...nnes.org>,
        Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     dri-devel@...ts.freedesktop.org,
        devicetree <devicetree@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sekhar Nori <nsekhar@...com>,
        Kevin Hilman <khilman@...nel.org>, linux-fbdev@...r.kernel.org,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [PATCH 0/6] Support for LEGO MINDSTORMS EV3 LCD display

On 08/03/2017 03:11 PM, Noralf Trønnes wrote:
> 
> Den 03.08.2017 19.11, skrev Andy Shevchenko:
>> On Thu, Aug 3, 2017 at 8:09 PM, Andy Shevchenko
>> <andy.shevchenko@...il.com> wrote:
>>> On Thu, Aug 3, 2017 at 6:18 PM, David Lechner <david@...hnology.com> 
>>> wrote:
>>>
>>>> The particular display I have is this one:
>>>> http://wiki.seeed.cc/Grove-OLED_Display_1.12inch/
>>>>
>>>> It looks like it uses a command/data scheme like the MIPI displays, but
>>>> doesn't use any of the standard values for the commands. The 
>>>> controller can
>>>> do parallel, SPI and I2C, but the display I have is wired for I2C.
>>> It looks very similar to ssd1306. Some description refers to ssd1308.
>> http://www.mouser.com/catalog/specsheets/Seeed_104030008.pdf
>>
> 
> That pdf refers to another one: 
> http://wiki.seeed.cc/Grove-OLED_Display_0.96inch/
> There's an fbdev driver that supports ssd1305, ssd1306, ssd1307 and 
> ssd1309:
> https://www.kernel.org/doc/Documentation/devicetree/bindings/display/ssd1307fb.txt 
> 
> http://elixir.free-electrons.com/linux/latest/source/drivers/video/fbdev/ssd1307fb.c 
> 
> Maybe the ssd1308 will work with that driver...
> 

The display I have uses a ssd1327 controller. It is 16-bit grayscale. 
The ssd130x are all 1-bit monochrome. So, probably more like the ssd1325 
driver in fbftf.