blob: ed0ccef35a2bde072cb1b6d99bd90a3a2bbe9119 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
#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 {
char *magic; /* must be first */
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 */
|
