134 lines
3.5 KiB
C
134 lines
3.5 KiB
C
/*
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* Copyright (c) 1995 Andrew McRae. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#define CIS_MAXSTR 30
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struct tuple {
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struct tuple *next;
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unsigned char code;
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int length;
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unsigned char *data;
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};
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struct tuple_list {
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struct tuple_list *next;
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struct tuple *tuples;
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off_t offs;
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int flags;
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};
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struct tuple_info {
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char *name;
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unsigned char code;
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unsigned char length; /* 255 means variable length */
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};
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/*
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* Memory device descriptor.
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*/
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struct dev_mem {
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unsigned char valid;
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unsigned char type;
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unsigned char speed;
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unsigned char wps;
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unsigned char addr;
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unsigned char units;
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};
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/*
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* One I/O structure describing a possible I/O map
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* of the card.
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*/
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struct cis_ioblk {
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struct cis_ioblk *next;
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unsigned int addr;
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unsigned int size;
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};
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/*
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* A structure storing a memory map for the card.
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*/
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struct cis_memblk {
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struct cis_memblk *next;
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unsigned int address;
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unsigned int length;
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unsigned int host_address;
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};
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/*
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* One configuration entry for the card.
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*/
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struct cis_config {
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struct cis_config *next;
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unsigned int pwr:1; /* Which values are defined. */
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unsigned int timing:1;
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unsigned int iospace:1;
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unsigned int irq:1;
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unsigned int memspace:1;
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unsigned int misc_valid:1;
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unsigned char id;
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unsigned char io_blks;
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unsigned char io_addr;
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unsigned char io_bus;
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struct cis_ioblk *io;
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unsigned char irqlevel;
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unsigned char irq_flags;
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unsigned irq_mask;
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unsigned char memwins;
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struct cis_memblk *mem;
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unsigned char misc;
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};
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/*
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* Structure holding all data retrieved from the
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* CIS block on the card.
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* The default configuration contains interface defaults
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* not listed in each separate configuration.
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*/
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struct cis {
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struct tuple_list *tlist;
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char manuf[CIS_MAXSTR];
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char vers[CIS_MAXSTR];
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char add_info1[CIS_MAXSTR];
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char add_info2[CIS_MAXSTR];
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unsigned char maj_v, min_v;
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unsigned char last_config;
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unsigned char ccrs;
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unsigned long reg_addr;
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struct dev_mem attr_mem;
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struct dev_mem common_mem;
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struct cis_config *def_config;
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struct cis_config *conf;
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};
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void *xmalloc(int);
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void dumpcis(struct cis *);
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void freecis(struct cis *);
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struct cis *readcis(int);
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char *tuple_name(unsigned char);
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