117 lines
2.3 KiB
C
117 lines
2.3 KiB
C
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#define MAXSTR 20
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/*
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* Storage of one tuple.
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*/
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struct tuple
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{
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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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{
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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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{
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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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{
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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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{
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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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{
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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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{
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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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{
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struct tuple_list *tlist;
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char manuf[MAXSTR];
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char vers[MAXSTR];
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char add_info1[MAXSTR];
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char add_info2[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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struct cis *readcis(int);
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void dumpcis(struct cis *);
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void freecis(struct cis *);
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struct tuple_list *read_tuples(int);
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struct tuple *find_tuple(struct cis *, unsigned char);
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struct tuple *find_tuple_in_list(struct tuple_list *, unsigned char);
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struct tuple_info *get_tuple_info(unsigned char);
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char *tuple_name(unsigned char);
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