----- 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: Thursday, April 29, 2004 2:25 AM Subject: Re: how to get information on parport using char driver functions > 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... Ok > > Or u can straight away access those address using "read" kernel > API's. There are 8 bit read, 16 bit read(readw), etc,... > can you show me a small example pls? > Or if its memory mapped just access like a pointer. :-) > > I want to do something better! > > > > Thanks > > > > Claudio Fiorini > > Regards, > Shine Mohamed Jabbar > Thanks Claudio Fiorini > > > > > > ----- 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/
