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
62
63
64
|
#ifndef __NOUVEAU_TIMER_H__
#define __NOUVEAU_TIMER_H__
#include <core/subdev.h>
#include <core/device.h>
struct nouveau_alarm {
struct list_head head;
u64 timestamp;
void (*func)(struct nouveau_alarm *);
};
static inline void
nouveau_alarm_init(struct nouveau_alarm *alarm,
void (*func)(struct nouveau_alarm *))
{
INIT_LIST_HEAD(&alarm->head);
alarm->func = func;
}
bool nouveau_timer_wait_eq(void *, u64 nsec, u32 addr, u32 mask, u32 data);
bool nouveau_timer_wait_ne(void *, u64 nsec, u32 addr, u32 mask, u32 data);
bool nouveau_timer_wait_cb(void *, u64 nsec, bool (*func)(void *), void *data);
void nouveau_timer_alarm(void *, u32 nsec, struct nouveau_alarm *);
void nouveau_timer_alarm_cancel(void *, struct nouveau_alarm *);
#define NV_WAIT_DEFAULT 2000000000ULL
#define nv_wait(o,a,m,v) \
nouveau_timer_wait_eq((o), NV_WAIT_DEFAULT, (a), (m), (v))
#define nv_wait_ne(o,a,m,v) \
nouveau_timer_wait_ne((o), NV_WAIT_DEFAULT, (a), (m), (v))
#define nv_wait_cb(o,c,d) \
nouveau_timer_wait_cb((o), NV_WAIT_DEFAULT, (c), (d))
struct nouveau_timer {
struct nouveau_subdev base;
u64 (*read)(struct nouveau_timer *);
void (*alarm)(struct nouveau_timer *, u64 time, struct nouveau_alarm *);
void (*alarm_cancel)(struct nouveau_timer *, struct nouveau_alarm *);
};
static inline struct nouveau_timer *
nouveau_timer(void *obj)
{
return (void *)nouveau_subdev(obj, NVDEV_SUBDEV_TIMER);
}
#define nouveau_timer_create(p,e,o,d) \
nouveau_subdev_create_((p), (e), (o), 0, "PTIMER", "timer", \
sizeof(**d), (void **)d)
#define nouveau_timer_destroy(p) \
nouveau_subdev_destroy(&(p)->base)
#define nouveau_timer_init(p) \
nouveau_subdev_init(&(p)->base)
#define nouveau_timer_fini(p,s) \
nouveau_subdev_fini(&(p)->base, (s))
int nouveau_timer_create_(struct nouveau_object *, struct nouveau_engine *,
struct nouveau_oclass *, int size, void **);
extern struct nouveau_oclass nv04_timer_oclass;
extern struct nouveau_oclass gk20a_timer_oclass;
#endif
|