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