Re: how to get information on parport using char driver functions

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On Sat, 2004-05-01 at 22:52, Claudio Fiorini wrote:
> i preferer do something like a real device driver, otherwise i never learn
> how to do that!
> Because if i use inb or outb i don't need to register nothing, those
> functions i use in user-space.

I mean the inb in the kernel space only. Check it out pls...

Or u can straight away access those address using "read" kernel 
API's. There are 8 bit read, 16 bit read(readw), etc,...

Or if its memory mapped just access like a pointer. :-)

> I want to do something better!
> 
> Thanks
> 
> Claudio Fiorini

Regards,
Shine Mohamed Jabbar

> 
> 
> ----- Original Message ----- 
> From: "Shine Mohamed Jabbar" <shinemohamed_j@naturesoft.net>
> To: "Claudio Fiorini" <devel@cfstudio.it>
> Cc: "Kernel Newbies Mailing List" <kernelnewbies@nl.linux.org>
> Sent: Wednesday, April 28, 2004 9:43 PM
> Subject: Re: how to get information on parport using char driver functions
> 
> 
> > On Sat, 2004-05-01 at 09:15, Claudio Fiorini wrote:
> > > I create a simple and small module using char functions to use parport,
> > > now i'm ok to create the device with mknod and the file_operations
> > > struct with my functions to read, write...
> > > I like to know now how in my open function i can take information about
> > > the status of the parallel port because i can't understead in rubini's
> book
> >
> > Does inb help out ur problem :-)
> >
> > > (I know that the example in the book is not for parport.)
> > > how to do. (I know the macro MOD_INC_USE_COUNT and DEC)
> > > Kernel 2.4
> > >
> > > Thanks to all
> > >
> > > Claudio Fiorini
> > >
> > >
> >
> > Regards,
> > Shine Mohamed Jabbar
> >
> >
> > --
> > Kernelnewbies: Help each other learn about the Linux kernel.
> > Archive:       http://mail.nl.linux.org/kernelnewbies/
> > FAQ:           http://kernelnewbies.org/faq/
> >
> >
> 
> 
> 
> --
> Kernelnewbies: Help each other learn about the Linux kernel.
> Archive:       http://mail.nl.linux.org/kernelnewbies/
> FAQ:           http://kernelnewbies.org/faq/
> 
> 


--
Kernelnewbies: Help each other learn about the Linux kernel.
Archive:       http://mail.nl.linux.org/kernelnewbies/
FAQ:           http://kernelnewbies.org/faq/


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