drivers/firmware: const-ify DMI API and internals
[linux-2.6.git] / include / linux / dmi.h
1 #ifndef __DMI_H__
2 #define __DMI_H__
3
4 #include <linux/list.h>
5
6 enum dmi_field {
7         DMI_NONE,
8         DMI_BIOS_VENDOR,
9         DMI_BIOS_VERSION,
10         DMI_BIOS_DATE,
11         DMI_SYS_VENDOR,
12         DMI_PRODUCT_NAME,
13         DMI_PRODUCT_VERSION,
14         DMI_PRODUCT_SERIAL,
15         DMI_PRODUCT_UUID,
16         DMI_BOARD_VENDOR,
17         DMI_BOARD_NAME,
18         DMI_BOARD_VERSION,
19         DMI_BOARD_SERIAL,
20         DMI_BOARD_ASSET_TAG,
21         DMI_CHASSIS_VENDOR,
22         DMI_CHASSIS_TYPE,
23         DMI_CHASSIS_VERSION,
24         DMI_CHASSIS_SERIAL,
25         DMI_CHASSIS_ASSET_TAG,
26         DMI_STRING_MAX,
27 };
28
29 enum dmi_device_type {
30         DMI_DEV_TYPE_ANY = 0,
31         DMI_DEV_TYPE_OTHER,
32         DMI_DEV_TYPE_UNKNOWN,
33         DMI_DEV_TYPE_VIDEO,
34         DMI_DEV_TYPE_SCSI,
35         DMI_DEV_TYPE_ETHERNET,
36         DMI_DEV_TYPE_TOKENRING,
37         DMI_DEV_TYPE_SOUND,
38         DMI_DEV_TYPE_IPMI = -1,
39         DMI_DEV_TYPE_OEM_STRING = -2
40 };
41
42 struct dmi_header {
43         u8 type;
44         u8 length;
45         u16 handle;
46 };
47
48 /*
49  *      DMI callbacks for problem boards
50  */
51 struct dmi_strmatch {
52         u8 slot;
53         char *substr;
54 };
55
56 struct dmi_system_id {
57         int (*callback)(const struct dmi_system_id *);
58         const char *ident;
59         struct dmi_strmatch matches[4];
60         void *driver_data;
61 };
62
63 #define DMI_MATCH(a, b) { a, b }
64
65 struct dmi_device {
66         struct list_head list;
67         int type;
68         const char *name;
69         void *device_data;      /* Type specific data */
70 };
71
72 #ifdef CONFIG_DMI
73
74 extern int dmi_check_system(const struct dmi_system_id *list);
75 extern const char * dmi_get_system_info(int field);
76 extern const struct dmi_device * dmi_find_device(int type, const char *name,
77         const struct dmi_device *from);
78 extern void dmi_scan_machine(void);
79 extern int dmi_get_year(int field);
80 extern int dmi_name_in_vendors(const char *str);
81
82 #else
83
84 static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
85 static inline const char * dmi_get_system_info(int field) { return NULL; }
86 static inline const struct dmi_device * dmi_find_device(int type, const char *name,
87         const struct dmi_device *from) { return NULL; }
88 static inline int dmi_get_year(int year) { return 0; }
89 static inline int dmi_name_in_vendors(const char *s) { return 0; }
90
91 #endif
92
93 #endif  /* __DMI_H__ */