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authorLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-04-16 18:20:36 -0400
commit1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (patch)
tree0bba044c4ce775e45a88a51686b5d9f90697ea9d /Documentation/DocBook/mcabook.tmpl
Linux-2.6.12-rc2v2.6.12-rc2
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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1<?xml version="1.0" encoding="UTF-8"?>
2<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"
3 "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>
4
5<book id="MCAGuide">
6 <bookinfo>
7 <title>MCA Driver Programming Interface</title>
8
9 <authorgroup>
10 <author>
11 <firstname>Alan</firstname>
12 <surname>Cox</surname>
13 <affiliation>
14 <address>
15 <email>alan@redhat.com</email>
16 </address>
17 </affiliation>
18 </author>
19 <author>
20 <firstname>David</firstname>
21 <surname>Weinehall</surname>
22 </author>
23 <author>
24 <firstname>Chris</firstname>
25 <surname>Beauregard</surname>
26 </author>
27 </authorgroup>
28
29 <copyright>
30 <year>2000</year>
31 <holder>Alan Cox</holder>
32 <holder>David Weinehall</holder>
33 <holder>Chris Beauregard</holder>
34 </copyright>
35
36 <legalnotice>
37 <para>
38 This documentation is free software; you can redistribute
39 it and/or modify it under the terms of the GNU General Public
40 License as published by the Free Software Foundation; either
41 version 2 of the License, or (at your option) any later
42 version.
43 </para>
44
45 <para>
46 This program is distributed in the hope that it will be
47 useful, but WITHOUT ANY WARRANTY; without even the implied
48 warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
49 See the GNU General Public License for more details.
50 </para>
51
52 <para>
53 You should have received a copy of the GNU General Public
54 License along with this program; if not, write to the Free
55 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
56 MA 02111-1307 USA
57 </para>
58
59 <para>
60 For more details see the file COPYING in the source
61 distribution of Linux.
62 </para>
63 </legalnotice>
64 </bookinfo>
65
66<toc></toc>
67
68 <chapter id="intro">
69 <title>Introduction</title>
70 <para>
71 The MCA bus functions provide a generalised interface to find MCA
72 bus cards, to claim them for a driver, and to read and manipulate POS
73 registers without being aware of the motherboard internals or
74 certain deep magic specific to onboard devices.
75 </para>
76 <para>
77 The basic interface to the MCA bus devices is the slot. Each slot
78 is numbered and virtual slot numbers are assigned to the internal
79 devices. Using a pci_dev as other busses do does not really make
80 sense in the MCA context as the MCA bus resources require card
81 specific interpretation.
82 </para>
83 <para>
84 Finally the MCA bus functions provide a parallel set of DMA
85 functions mimicing the ISA bus DMA functions as closely as possible,
86 although also supporting the additional DMA functionality on the
87 MCA bus controllers.
88 </para>
89 </chapter>
90 <chapter id="bugs">
91 <title>Known Bugs And Assumptions</title>
92 <para>
93 None.
94 </para>
95 </chapter>
96
97 <chapter id="pubfunctions">
98 <title>Public Functions Provided</title>
99!Earch/i386/kernel/mca.c
100 </chapter>
101
102 <chapter id="dmafunctions">
103 <title>DMA Functions Provided</title>
104!Iinclude/asm-i386/mca_dma.h
105 </chapter>
106
107</book>