Re: internal card reader support

[Bill Davidsen <davidsen@tmr.com>]

Felix Dorner wrote:
> Hi,
> 
> 
> My notebook (hp nx9105) has an integrated 5in1 card-reader. I would 
> really like to use this with linux.
> Since I do not think it is supported yet, I d like to know if it might 
> be possible to write a module or so for this.
> I am just an average C programmer, but always wanted to dive into kernel 
> developement. My knowledge on computer architecture is also no more than 
> basic, so this might be something to really learn a lot...
> So I start at zero knowledge now. First of course I need to find out if  
> what I want to do is possible at all.
> This means now to identify the hardware inside and see if I can get 
> documents for that.
> 
> First I just start with:
> 
> #lspci
> [...]
> 0000:02:04.0 CardBus bridge: Texas Instruments: Unknown device ac54 (rev 
> 01)
> 0000:02:04.1 CardBus bridge: Texas Instruments: Unknown device ac54 (rev 
> 01)
> 0000:02:04.2 System peripheral: Texas Instruments: Unknown device 8201 
> (rev 01)
> [...]
> 
> This is all that I have. Now I am already confused. My box has one 
> PCMCIA slot. Which is now the PCMCIA and which is the CardReader? What 
> about the third device? Might this be the integrated infrared controller?
> 
> Can you give me any hints/tips where to start best, what to read first?
> 
> I know this seems to be very difficult, but I have quite some free time 
> that I don't want to spend playing bzflag all night long, so I think 
> this is a great way to learn something.

The first question is if this shows up as USB (therefore SCSI), or IDE. 
I had an old desktop with PCMCIA and it all used the IDE driver. I'm 
interested, I'd love to use the slot on my Acer!

-- 
    -bill davidsen (davidsen@tmr.com)
"The secret to procrastination is to put things off until the
  last possible moment - but no longer"  -me