linux-kernel - Re: serio interface

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Date:	Wed, 06 Jun 2007 12:39:17 +0200
From:	"Lars K.W. Gohlke" <lkwg82@....de>
To:	linux-kernel@...r.kernel.org, "Lars K.W. Gohlke" <lkwg82@....de>
Subject: Re: serio interface

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Jan-Benedict Glaw schrieb:
> On Wed, 2007-06-06 11:34:49 +0200, Lars K.W. Gohlke <lkwg82@....de> wrote:
>> Jan-Benedict Glaw schrieb:
>>> On Wed, 2007-06-06 11:11:23 +0200, Lars K.W. Gohlke <lkwg82@....de> wrote:
>>>> wouldsomebody explain me the serio interface or give me a code link for
>>>> very simple example.
>>> What do you want to do with it?  Do you want on the serial port side,
>>> or on the mouse/keyboard/gadget side?  See for example the various
>>> serial keyboards and mice drivers.
>> I want on the kernelside process data from first uart-hardware interface
>> aka ttyS0.
>>
>> I don't understand the structure of e.g. input/mouse/sermouse.c
>>
>> where is said, which hardware is used for reading data from?
>
> I'm not entirely sure, but I guess that most of the time, you assign a
> serial port with the help of `inputattach' to a given device driver,
> which expects to find its hardware on that port.
>
> OTOH, why do you want to do the serial stuff in kernel land? Isn't it
> a *lot* easier to do it in userspace? What's your specific device you
> want to work on?
>
> MfG, JBG
>

if you want to write a driver, there must be a possibility to get the
data, like others do. (kernel-space)

I want to know where I can get and how to do.

At least I want to be able to copy the data from device to another
(maybe own).

It is to get familiar with that.

thx
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