1 #ifndef __NOUVEAU_TIMER_H__
2 #define __NOUVEAU_TIMER_H__
4 #include <core/subdev.h>
5 #include <core/device.h>
10 void (*func)(struct nouveau_alarm *);
14 nouveau_alarm_init(struct nouveau_alarm *alarm,
15 void (*func)(struct nouveau_alarm *))
17 INIT_LIST_HEAD(&alarm->head);
21 bool nouveau_timer_wait_eq(void *, u64 nsec, u32 addr, u32 mask, u32 data);
22 bool nouveau_timer_wait_ne(void *, u64 nsec, u32 addr, u32 mask, u32 data);
23 bool nouveau_timer_wait_cb(void *, u64 nsec, bool (*func)(void *), void *data);
24 void nouveau_timer_alarm(void *, u32 nsec, struct nouveau_alarm *);
25 void nouveau_timer_alarm_cancel(void *, struct nouveau_alarm *);
27 #define NV_WAIT_DEFAULT 2000000000ULL
28 #define nv_wait(o,a,m,v) \
29 nouveau_timer_wait_eq((o), NV_WAIT_DEFAULT, (a), (m), (v))
30 #define nv_wait_ne(o,a,m,v) \
31 nouveau_timer_wait_ne((o), NV_WAIT_DEFAULT, (a), (m), (v))
32 #define nv_wait_cb(o,c,d) \
33 nouveau_timer_wait_cb((o), NV_WAIT_DEFAULT, (c), (d))
35 struct nouveau_timer {
36 struct nouveau_subdev base;
37 u64 (*read)(struct nouveau_timer *);
38 void (*alarm)(struct nouveau_timer *, u64 time, struct nouveau_alarm *);
39 void (*alarm_cancel)(struct nouveau_timer *, struct nouveau_alarm *);
42 static inline struct nouveau_timer *
43 nouveau_timer(void *obj)
45 return (void *)nv_device(obj)->subdev[NVDEV_SUBDEV_TIMER];
48 #define nouveau_timer_create(p,e,o,d) \
49 nouveau_subdev_create_((p), (e), (o), 0, "PTIMER", "timer", \
50 sizeof(**d), (void **)d)
51 #define nouveau_timer_destroy(p) \
52 nouveau_subdev_destroy(&(p)->base)
53 #define nouveau_timer_init(p) \
54 nouveau_subdev_init(&(p)->base)
55 #define nouveau_timer_fini(p,s) \
56 nouveau_subdev_fini(&(p)->base, (s))
58 int nouveau_timer_create_(struct nouveau_object *, struct nouveau_engine *,
59 struct nouveau_oclass *, int size, void **);
61 extern struct nouveau_oclass nv04_timer_oclass;