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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>

<book id="MCAGuide">
 <bookinfo>
  <title>MCA Driver Programming Interface</title>
  
  <authorgroup>
   <author>
    <firstname>Alan</firstname>
    <surname>Cox</surname>
    <affiliation>
     <address>
      <email>alan@redhat.com</email>
     </address>
    </affiliation>
   </author>
   <author>
    <firstname>David</firstname>
    <surname>Weinehall</surname>
   </author>
   <author>
    <firstname>Chris</firstname>
    <surname>Beauregard</surname>
   </author>
  </authorgroup>

  <copyright>
   <year>2000</year>
   <holder>Alan Cox</holder>
   <holder>David Weinehall</holder>
   <holder>Chris Beauregard</holder>
  </copyright>

  <legalnotice>
   <para>
     This documentation is free software; you can redistribute
     it and/or modify it under the terms of the GNU General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later
     version.
   </para>
      
   <para>
     This program is distributed in the hope that it will be
     useful, but WITHOUT ANY WARRANTY; without even the implied
     warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     See the GNU General Public License for more details.
   </para>
      
   <para>
     You should have received a copy of the GNU General Public
     License along with this program; if not, write to the Free
     Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
     MA 02111-1307 USA
   </para>
      
   <para>
     For more details see the file COPYING in the source
     distribution of Linux.
   </para>
  </legalnotice>
 </bookinfo>

<toc></toc>

  <chapter id="intro">
      <title>Introduction</title>
  <para>
	The MCA bus functions provide a generalised interface to find MCA
	bus cards, to claim them for a driver, and to read and manipulate POS 
	registers without being aware of the motherboard internals or 
	certain deep magic specific to onboard devices.
  </para>
  <para>
	The basic interface to the MCA bus devices is the slot. Each slot
	is numbered and virtual slot numbers are assigned to the internal
	devices. Using a pci_dev as other busses do does not really make
	sense in the MCA context as the MCA bus resources require card
	specific interpretation.
  </para>
  <para>
	Finally the MCA bus functions provide a parallel set of DMA
	functions mimicing the ISA bus DMA functions as closely as possible,
	although also supporting the additional DMA functionality on the
	MCA bus controllers.
  </para>
  </chapter>
  <chapter id="bugs">
     <title>Known Bugs And Assumptions</title>
  <para>
	None.	
  </para>
  </chapter>

  <chapter id="pubfunctions">
     <title>Public Functions Provided</title>
!Edrivers/mca/mca-legacy.c
  </chapter>

  <chapter id="dmafunctions">
     <title>DMA Functions Provided</title>
!Iinclude/asm-i386/mca_dma.h
  </chapter>

</book>