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DUMMY_CS(4)									      DUMMY_CS(4)

       dummy_cs - PCMCIA dummy device driver

       insmod dummy_cs.o [pc_debug=n] [free_ports=n] [irq_list=i,j,...]

       The  dummy_cs  module has two purposes.	It is intended as a demonstration of how to write
       the PCMCIA interface code for a client driver, and the source code is  heavily  commented.
       It  is  also written to function as a sort of generic ``point enabler'': when bound to any
       PCMCIA IO card, it will read the card's Configuration Information Structure, and configure
       the card appropriately.	The configuration includes setting up IO and memory windows, con-
       figuring the card for interrupts, and initializing the card's PCMCIA configuration  regis-

       It  turns  out  that many cards report incomplete or inaccurate configuration information,
       due to vendor carelessness and the complexity of the data format.   A  vendor  driver  can
       generally  take for granted many configuration details, so there is not much incentive for
       vendors to ensure that the on-card information is complete.  Thus, the dummy_cs module  is
       limited by its generality: since it makes no assumptions about card types, it is forced to
       rely on the card information, for better or worse.

	      Selects the PCMCIA debugging level.  This parameter is only available if the module
	      is compiled with debugging enabled.  A non-zero value enables debugging.

	      A  flag  indicating if the IO ports allocated for the card should be freed from the
	      kernel resource maps.  This is useful if the dummy driver is being used to  config-
	      ure  a  card  in	preparation  for  loading  a specific PCMCIA-unaware driver.  The
	      default is 0 (false).

	      Specifies the set of interrupts that may be allocated by this driver.

       David Hinds - dahinds@users.sourceforge.net

       cardmgr(8), pcmcia(5).

pcmcia-cs			       2000/06/12 21:24:47			      DUMMY_CS(4)
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