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
|
/*
* BIOS32, PCI BIOS functions and defines
* Copyright 1994, Drew Eckhardt
*
* For more information, please consult
*
* PCI BIOS Specification Revision
* PCI Local Bus Specification
* PCI System Design Guide
*
* PCI Special Interest Group
* P.O. Box 14070
* Portland, OR 97214
* U. S. A.
* Phone: 800-433-5177 / +1-503-797-4207
* Fax: +1-503-234-6762
*
* Manuals are $25 each or $50 for all three, plus $7 shipping
* within the United States, $35 abroad.
*/
#ifndef BIOS32_H
#define BIOS32_H
/*
* Error values that may be returned by the PCI bios. Use
* pcibios_strerror() to convert to a printable string.
*/
#define PCIBIOS_SUCCESSFUL 0x00
#define PCIBIOS_FUNC_NOT_SUPPORTED 0x81
#define PCIBIOS_BAD_VENDOR_ID 0x83
#define PCIBIOS_DEVICE_NOT_FOUND 0x86
#define PCIBIOS_BAD_REGISTER_NUMBER 0x87
#define PCIBIOS_SET_FAILED 0x88
#define PCIBIOS_BUFFER_TOO_SMALL 0x89
extern int pcibios_present (void);
extern unsigned long pcibios_init (unsigned long memory_start,
unsigned long memory_end);
extern unsigned long pcibios_fixup (unsigned long memory_start,
unsigned long memory_end);
extern int pcibios_find_class (unsigned int class_code, unsigned short index,
unsigned char *bus, unsigned char *dev_fn);
extern int pcibios_find_device (unsigned short vendor, unsigned short dev_id,
unsigned short index, unsigned char *bus,
unsigned char *dev_fn);
extern int pcibios_read_config_byte (unsigned char bus, unsigned char dev_fn,
unsigned char where, unsigned char *val);
extern int pcibios_read_config_word (unsigned char bus, unsigned char dev_fn,
unsigned char where, unsigned short *val);
extern int pcibios_read_config_dword (unsigned char bus, unsigned char dev_fn,
unsigned char where, unsigned int *val);
extern int pcibios_write_config_byte (unsigned char bus, unsigned char dev_fn,
unsigned char where, unsigned char val);
extern int pcibios_write_config_word (unsigned char bus, unsigned char dev_fn,
unsigned char where, unsigned short val);
extern int pcibios_write_config_dword (unsigned char bus, unsigned char dev_fn,
unsigned char where, unsigned int val);
extern const char *pcibios_strerror (int error);
#endif /* BIOS32_H */
|
