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10#ifndef __WINDFARM_H__
11#define __WINDFARM_H__
12
13#include <linux/kref.h>
14#include <linux/list.h>
15#include <linux/module.h>
16#include <linux/notifier.h>
17#include <linux/device.h>
18
19
20#define FIX32TOPRINT(f) (((s32)(f)) >> 16),(((((s32)(f)) & 0xffff) * 1000) >> 16)
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26struct wf_control;
27
28struct wf_control_ops {
29 int (*set_value)(struct wf_control *ct, s32 val);
30 int (*get_value)(struct wf_control *ct, s32 *val);
31 s32 (*get_min)(struct wf_control *ct);
32 s32 (*get_max)(struct wf_control *ct);
33 void (*release)(struct wf_control *ct);
34 struct module *owner;
35};
36
37struct wf_control {
38 struct list_head link;
39 const struct wf_control_ops *ops;
40 const char *name;
41 int type;
42 struct kref ref;
43 struct device_attribute attr;
44 void *priv;
45};
46
47#define WF_CONTROL_TYPE_GENERIC 0
48#define WF_CONTROL_RPM_FAN 1
49#define WF_CONTROL_PWM_FAN 2
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58extern int wf_register_control(struct wf_control *ct);
59extern void wf_unregister_control(struct wf_control *ct);
60extern struct wf_control * wf_find_control(const char *name);
61extern int wf_get_control(struct wf_control *ct);
62extern void wf_put_control(struct wf_control *ct);
63
64static inline int wf_control_set_max(struct wf_control *ct)
65{
66 s32 vmax = ct->ops->get_max(ct);
67 return ct->ops->set_value(ct, vmax);
68}
69
70static inline int wf_control_set_min(struct wf_control *ct)
71{
72 s32 vmin = ct->ops->get_min(ct);
73 return ct->ops->set_value(ct, vmin);
74}
75
76static inline int wf_control_set(struct wf_control *ct, s32 val)
77{
78 return ct->ops->set_value(ct, val);
79}
80
81static inline int wf_control_get(struct wf_control *ct, s32 *val)
82{
83 return ct->ops->get_value(ct, val);
84}
85
86static inline s32 wf_control_get_min(struct wf_control *ct)
87{
88 return ct->ops->get_min(ct);
89}
90
91static inline s32 wf_control_get_max(struct wf_control *ct)
92{
93 return ct->ops->get_max(ct);
94}
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100struct wf_sensor;
101
102struct wf_sensor_ops {
103 int (*get_value)(struct wf_sensor *sr, s32 *val);
104 void (*release)(struct wf_sensor *sr);
105 struct module *owner;
106};
107
108struct wf_sensor {
109 struct list_head link;
110 const struct wf_sensor_ops *ops;
111 const char *name;
112 struct kref ref;
113 struct device_attribute attr;
114 void *priv;
115};
116
117
118extern int wf_register_sensor(struct wf_sensor *sr);
119extern void wf_unregister_sensor(struct wf_sensor *sr);
120extern struct wf_sensor * wf_find_sensor(const char *name);
121extern int wf_get_sensor(struct wf_sensor *sr);
122extern void wf_put_sensor(struct wf_sensor *sr);
123
124static inline int wf_sensor_get(struct wf_sensor *sr, s32 *val)
125{
126 return sr->ops->get_value(sr, val);
127}
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141extern int wf_register_client(struct notifier_block *nb);
142extern int wf_unregister_client(struct notifier_block *nb);
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145extern void wf_set_overtemp(void);
146extern void wf_clear_overtemp(void);
147extern int wf_is_overtemp(void);
148
149#define WF_EVENT_NEW_CONTROL 0
150#define WF_EVENT_NEW_SENSOR 1
151#define WF_EVENT_OVERTEMP 2
152#define WF_EVENT_NORMALTEMP 3
153#define WF_EVENT_TICK 4
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161#endif
162