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Ben Skeggsd375e7d52012-04-30 13:30:00 +10001#ifndef __NOUVEAU_FENCE_H__
2#define __NOUVEAU_FENCE_H__
3
4struct nouveau_fence {
5 struct list_head head;
6 struct kref kref;
7
8 struct nouveau_channel *channel;
9 unsigned long timeout;
10 u32 sequence;
11
12 void (*work)(void *priv, bool signalled);
13 void *priv;
14};
15
16int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **);
17struct nouveau_fence *
18nouveau_fence_ref(struct nouveau_fence *);
19void nouveau_fence_unref(struct nouveau_fence **);
20
21int nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
22bool nouveau_fence_done(struct nouveau_fence *);
23int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
24int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
25void nouveau_fence_idle(struct nouveau_channel *);
26void nouveau_fence_update(struct nouveau_channel *);
27
Ben Skeggs5e120f62012-04-30 13:55:29 +100028struct nouveau_fence_chan {
29 struct list_head pending;
30 spinlock_t lock;
31 u32 sequence;
32};
33
34struct nouveau_fence_priv {
Ben Skeggse193b1d2012-07-19 10:51:42 +100035 void (*dtor)(struct drm_device *);
36 bool (*suspend)(struct drm_device *);
37 void (*resume)(struct drm_device *);
38 int (*context_new)(struct nouveau_channel *);
39 void (*context_del)(struct nouveau_channel *);
40 int (*emit)(struct nouveau_fence *);
41 int (*sync)(struct nouveau_fence *, struct nouveau_channel *,
42 struct nouveau_channel *);
43 u32 (*read)(struct nouveau_channel *);
Ben Skeggs5e120f62012-04-30 13:55:29 +100044};
45
46void nouveau_fence_context_new(struct nouveau_fence_chan *);
47void nouveau_fence_context_del(struct nouveau_fence_chan *);
48
49int nv04_fence_create(struct drm_device *dev);
50int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
51
52int nv10_fence_create(struct drm_device *dev);
53int nv84_fence_create(struct drm_device *dev);
54int nvc0_fence_create(struct drm_device *dev);
55
Ben Skeggsd375e7d52012-04-30 13:30:00 +100056#endif