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#ifndef EISA_H
#define EISA_H
#include "stdint.h"
#include "isa_ids.h"
#include "nic.h"
/*
* EISA constants
*
*/
#define EISA_MIN_SLOT (0x1)
#define EISA_MAX_SLOT (0xf) /* Must be 2^n - 1 */
#define EISA_SLOT_BASE( n ) ( 0x1000 * (n) )
#define EISA_MFG_ID_HI ( 0xc80 )
#define EISA_MFG_ID_LO ( 0xc81 )
#define EISA_PROD_ID_HI ( 0xc82 )
#define EISA_PROD_ID_LO ( 0xc83 )
#define EISA_GLOBAL_CONFIG ( 0xc84 )
#define EISA_CMD_RESET ( 1 << 2 )
#define EISA_CMD_ENABLE ( 1 << 0 )
/*
* A location on an EISA bus
*
*/
struct eisa_loc {
unsigned int slot;
};
/*
* A physical EISA device
*
*/
struct eisa_device {
const char *name;
unsigned int slot;
uint16_t ioaddr;
uint16_t mfg_id;
uint16_t prod_id;
};
/*
* An individual EISA device identified by ID
*
*/
struct eisa_id {
const char *name;
uint16_t mfg_id, prod_id;
};
/*
* An EISA driver, with a device ID (struct eisa_id) table.
*
*/
struct eisa_driver {
const char *name;
struct eisa_id *ids;
unsigned int id_count;
};
/*
* Define an EISA driver
*
*/
#define EISA_DRIVER( _name, _ids ) \
static struct eisa_driver _name = { \
.ids = _ids, \
.id_count = sizeof ( _ids ) / sizeof ( _ids[0] ), \
}
/*
* Functions in eisa.c
*
*/
extern void eisa_device_enabled ( struct eisa_device *eisa, int enabled );
extern void eisa_fill_nic ( struct nic *nic, struct eisa_device *eisa );
static inline void enable_eisa_device ( struct eisa_device *eisa ) {
eisa_device_enabled ( eisa, 1 );
}
static inline void disable_eisa_device ( struct eisa_device *eisa ) {
eisa_device_enabled ( eisa, 0 );
}
/*
* EISA bus global definition
*
*/
extern struct bus_driver eisa_driver;
#endif /* EISA_H */
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