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86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
#ifndef ISA_H
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#define ISA_H
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#include "stdint.h"
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#include "isa_ids.h"
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#include "nic.h"
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/*
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* A location on an ISA bus
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*
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*/
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struct isa_driver;
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struct isa_loc {
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unsigned int driver;
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unsigned int probe_idx;
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};
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/*
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* A physical ISA device
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*
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*/
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struct isa_device {
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const char *name;
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struct isa_driver *driver;
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uint16_t ioaddr;
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uint16_t mfg_id;
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uint16_t prod_id;
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};
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/*
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* An individual ISA device, identified by probe address
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*
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*/
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typedef uint16_t isa_probe_addr_t;
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/*
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* An ISA driver, with a probe address list and a probe_addr method.
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* probe_addr() should return 1 if a card is physically present,
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* leaving the other operations (read MAC address etc.) down to the
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* main probe() routine.
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*
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*/
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struct isa_driver {
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const char *name;
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isa_probe_addr_t *probe_addrs;
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unsigned int addr_count;
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int ( * probe_addr ) ( isa_probe_addr_t addr );
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uint16_t mfg_id;
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uint16_t prod_id;
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};
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/*
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* Define an ISA driver
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*
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*/
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#define ISA_DRIVER( _name, _probe_addrs, _probe_addr, _mfg_id, _prod_id ) \
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struct isa_driver _name __table(isa_driver,01 ) = { \
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.probe_addrs = _probe_addrs, \
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.addr_count = sizeof ( _probe_addrs ) / sizeof ( _probe_addrs[0] ), \
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.probe_addr = _probe_addr, \
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.mfg_id = _mfg_id, \
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.prod_id = _prod_id, \
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}
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/*
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* ISA_ROM is parsed by parserom.pl to generate Makefile rules and
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* files for rom-o-matic.
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*
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*/
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#define ISA_ROM( IMAGE, DESCRIPTION )
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/*
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* Functions in isa.c
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*
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*/
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extern void isa_fill_nic ( struct nic *nic, struct isa_device *isa );
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/*
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* ISA bus global definition
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*
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*/
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extern struct bus_driver isa_driver;
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#endif /* ISA_H */
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