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Extraced from 3c509.c

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This commit is contained in:
Michael Brown
2005-04-13 12:45:38 +00:00
parent a4f1a058a4
commit 200b39a645
2 changed files with 212 additions and 0 deletions
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76
src/include/eisa.h Normal file
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#ifndef EISA_H
#define EISA_H
#include "isa_ids.h"
/*
* EISA constants
*
*/
#define EISA_MIN_SLOT (0x1)
#define EISA_MAX_SLOT (0xf)
#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 physical EISA device
*
*/
struct dev;
struct eisa_device {
struct dev *dev;
unsigned int slot;
uint16_t ioaddr;
uint16_t mfg_id;
uint16_t prod_id;
int already_tried;
};
/*
* 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( driver_name, eisa_ids ) { \
.name = driver_name, \
.ids = eisa_ids, \
.id_count = sizeof ( eisa_ids ) / sizeof ( eisa_ids[0] ), \
}
/*
* Functions in eisa.c
*
*/
extern struct eisa_device * eisa_device ( struct dev *dev );
extern int find_eisa_device ( struct eisa_device *eisa,
struct eisa_driver *driver );
extern void enable_eisa_device ( struct eisa_device *eisa );
#endif /* EISA_H */