Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq
[firefly-linux-kernel-4.4.55.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_BOARD_VENDOR,
16         DMI_BOARD_NAME,
17         DMI_BOARD_VERSION,
18         DMI_STRING_MAX,
19 };
20
21 enum dmi_device_type {
22         DMI_DEV_TYPE_ANY = 0,
23         DMI_DEV_TYPE_OTHER,
24         DMI_DEV_TYPE_UNKNOWN,
25         DMI_DEV_TYPE_VIDEO,
26         DMI_DEV_TYPE_SCSI,
27         DMI_DEV_TYPE_ETHERNET,
28         DMI_DEV_TYPE_TOKENRING,
29         DMI_DEV_TYPE_SOUND,
30         DMI_DEV_TYPE_IPMI = -1
31 };
32
33 struct dmi_header {
34         u8 type;
35         u8 length;
36         u16 handle;
37 };
38
39 /*
40  *      DMI callbacks for problem boards
41  */
42 struct dmi_strmatch {
43         u8 slot;
44         char *substr;
45 };
46
47 struct dmi_system_id {
48         int (*callback)(struct dmi_system_id *);
49         const char *ident;
50         struct dmi_strmatch matches[4];
51         void *driver_data;
52 };
53
54 #define DMI_MATCH(a, b) { a, b }
55
56 struct dmi_device {
57         struct list_head list;
58         int type;
59         const char *name;
60         void *device_data;      /* Type specific data */
61 };
62
63 #ifdef CONFIG_DMI
64
65 extern int dmi_check_system(struct dmi_system_id *list);
66 extern char * dmi_get_system_info(int field);
67 extern struct dmi_device * dmi_find_device(int type, const char *name,
68         struct dmi_device *from);
69 extern void dmi_scan_machine(void);
70 extern int dmi_get_year(int field);
71
72 #else
73
74 static inline int dmi_check_system(struct dmi_system_id *list) { return 0; }
75 static inline char * dmi_get_system_info(int field) { return NULL; }
76 static inline struct dmi_device * dmi_find_device(int type, const char *name,
77         struct dmi_device *from) { return NULL; }
78 static inline int dmi_get_year(int year) { return 0; }
79
80 #endif
81
82 #endif  /* __DMI_H__ */