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/*
* MCA bus driver code
*
* Abstracted from 3c509.c.
*
*/
#ifndef MCA_H
#define MCA_H
#include "isa_ids.h"
#include "dev.h"
/*
* MCA constants
*
*/
#define MCA_MOTHERBOARD_SETUP_REG 0x94
#define MCA_ADAPTER_SETUP_REG 0x96
#define MCA_MAX_SLOT_NR 8
#define MCA_POS_REG(n) (0x100+(n))
/* Is there a standard that would define this? */
#define GENERIC_MCA_VENDOR ISA_VENDOR ( 'M', 'C', 'A' )
/*
* A physical MCA device
*
*/
struct mca_device {
char *magic; /* must be first */
const char *name;
unsigned int slot;
unsigned char pos[8];
int already_tried;
};
#define MCA_ID(mca) ( ( (mca)->pos[1] << 8 ) + (mca)->pos[0] )
/*
* An individual MCA device identified by ID
*
*/
struct mca_id {
const char *name;
int id;
};
/*
* An MCA driver, with a device ID (struct mca_id) table.
*
*/
struct mca_driver {
const char *name;
struct mca_id *ids;
unsigned int id_count;
};
/*
* Define an MCA driver
*
*/
#define MCA_DRIVER( driver_name, mca_ids ) { \
.name = driver_name, \
.ids = mca_ids, \
.id_count = sizeof ( mca_ids ) / sizeof ( mca_ids[0] ), \
}
/*
* Functions in mca.c
*
*/
extern int find_mca_device ( struct mca_device *mca,
struct mca_driver *driver );
extern int find_mca_boot_device ( struct dev *dev, struct mca_driver *driver );
#endif
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