1/*
2 * Copyright (c) 1995 Andrew McRae. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * $Id: readcis.h,v 1.8 1997/02/22 16:09:00 peter Exp $
27 */
28
29#define CIS_MAXSTR 30
30struct tuple {
31 struct tuple *next;
32 unsigned char code;
33 int length;
34 unsigned char *data;
35};
36
37struct tuple_list {
38 struct tuple_list *next;
39 struct tuple *tuples;
40 off_t offs;
41 int flags;
42};
43
44struct tuple_info {
45 char *name;
46 unsigned char code;
47 unsigned char length; /* 255 means variable length */
48};
49
50/*
51 * Memory device descriptor.
52 */
53struct dev_mem {
54 unsigned char valid;
55 unsigned char type;
56 unsigned char speed;
57 unsigned char wps;
58 unsigned char addr;
59 unsigned char units;
60};
61
62/*
63 * One I/O structure describing a possible I/O map
64 * of the card.
65 */
66struct cis_ioblk {
67 struct cis_ioblk *next;
68 unsigned int addr;
69 unsigned int size;
70};
71
72/*
73 * A structure storing a memory map for the card.
74 */
75struct cis_memblk {
76 struct cis_memblk *next;
77 unsigned int address;
78 unsigned int length;
79 unsigned int host_address;
80};
81
82/*
83 * One configuration entry for the card.
84 */
85struct cis_config {
86 struct cis_config *next;
87 unsigned int pwr:1; /* Which values are defined. */
88 unsigned int timing:1;
89 unsigned int iospace:1;
90 unsigned int irq:1;
91 unsigned int memspace:1;
92 unsigned int misc_valid:1;
93 unsigned char id;
94 unsigned char io_blks;
95 unsigned char io_addr;
96 unsigned char io_bus;
97 struct cis_ioblk *io;
98 unsigned char irqlevel;
99 unsigned char irq_flags;
100 unsigned irq_mask;
101 unsigned char memwins;
102 struct cis_memblk *mem;
103 unsigned char misc;
104};
105
106/*
107 * Structure holding all data retrieved from the
108 * CIS block on the card.
109 * The default configuration contains interface defaults
110 * not listed in each separate configuration.
111 */
112struct cis {
113 struct tuple_list *tlist;
114 char manuf[CIS_MAXSTR];
115 char vers[CIS_MAXSTR];
116 char add_info1[CIS_MAXSTR];
117 char add_info2[CIS_MAXSTR];
118 unsigned char maj_v, min_v;
119 unsigned char last_config;
120 unsigned char ccrs;
121 unsigned long reg_addr;
122 struct dev_mem attr_mem;
123 struct dev_mem common_mem;
124 struct cis_config *def_config;
125 struct cis_config *conf;
126};
127
128void *xmalloc(int);
129void dumpcis(struct cis *);
130void freecis(struct cis *);
131struct cis *readcis(int);
132
133char *tuple_name(unsigned char);