[linux-dvb] Fw: Re: Idea: support for more fs types

["Christian Gmeiner" <christian@visual-page.de>]

----- Original Message ----- 
From: "Christian Gmeiner" <christian@visual-page.de>
To: "Michael Hunold" <hunold@convergence.de>
Sent: Monday, May 03, 2004 1:26 AM
Subject: Re: [linux-dvb] Re: Idea: support for more fs types


> Hi Michael,
>
> > Hello Christian,
> >
> > On 02.05.2004 13:12, Christian Gmeiner wrote:
> > > i have currently switched to an udev only system and it runs very
nice,
> > > only the dvb-drivers need some
> > > handworking. I would now recommend an abstract device handling for the
> > > different fs types
> > > (proc, devfs and udev).
> > >
> > > like:
> > >
> > > dvb_registration.h:
> > >
> > > extern void dvb_register_driver(void);
> > > extern void dvb_register_card(...);
> > > extern void dvb_unregister_card(...);
> > > extern void dvb_unregister_driver(void);
> > > ...
> > >
> > > and we write for every fs type easly routines and in the dvbcore.c we
> > > are using only the abstract
> > > interface. This was also done by the dxr3-driver.
> > >
> > > So if you accept my idea, i will wirte a patch to demonstrate this
> concept.
> >
> > I've started to work on proper sysfs support, but I quickly realized
> > that a proper sysfs representation of the dvb subsystem isn't easily
> > done, because you have a whole "tree" (ie. adapters with subdevices)
> > that needs to be represented properly.
> Thats correct, nut i alos think its not that hard with my which to code it
> abstract.
> I would make it so:
>
> /sys
> | - class
> |   | - media
> |   |   | -dvb
> |   |   |   |- adapter0
> |   |   |   |   | - audio
> |   |   |   |   | - frontend
> |   |   |   |   | - demux
> |   |   |   |   | - dvr
> |   |   |   |   | - ca
> |   |   |   |   | - net
> |   |   |   |   | - osd
> |   |   |   |- adapter1
> |   |   |   |   | - audio
> |   |   |   |   | - frontend
> |   |   |   |   | - demux
> |   |   |   |   | - dvr
> |   |   |   |   | - ca
> |   |   |   |   | - net
> |   |   |   |   | - osd
> |   |   |   |...
> |   |   |   |- adapterX
> |   |   |   |   | - audio
> |   |   |   |   | - frontend
> |   |   |   |   | - demux
> |   |   |   |   | - dvr
> |   |   |   |   | - ca
> |   |   |   |   | - net
> |   |   |   |   | - osd
>
> I am not sure, if the root (/sys/class/media/dvb/) is ok.
>
> > Another problem is that both PCI and USB devices can be registered, so
> > you need to get the sysfs/udev registration right. This is were I
> > stopped my attempts, because I already spend enough time to keep the
> > drivers in sync with the mainline kernel.
> Could you send me your work? Maybe it would help me :)
>
> >
> > Your help is really appreciated! I'm looking forward for your patches.
> Thanks. At the moment the devfs_path is ready and proc sysfs are in
> development.
> Procfs is finished soon.
>
> >
> > > Greets,
> > > Christian
> >
> > CU
> > Michael.
> >
> Cheers,
> Christian
>




-- 
Info:
To unsubscribe send a mail to ecartis@linuxtv.org with "unsubscribe linux-dvb" as subject.