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nouveau_fence.h
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1 #ifndef __NOUVEAU_FENCE_H__
2 #define __NOUVEAU_FENCE_H__
3 
4 struct nouveau_drm;
5 
6 struct nouveau_fence {
7  struct list_head head;
8  struct kref kref;
9 
10  struct nouveau_channel *channel;
11  unsigned long timeout;
12  u32 sequence;
13 
14  void (*work)(void *priv, bool signalled);
15  void *priv;
16 };
17 
18 int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **);
19 struct nouveau_fence *
20 nouveau_fence_ref(struct nouveau_fence *);
21 void nouveau_fence_unref(struct nouveau_fence **);
22 
23 int nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
24 bool nouveau_fence_done(struct nouveau_fence *);
25 int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
26 int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
27 
28 struct nouveau_fence_chan {
29  struct list_head pending;
30  struct list_head flip;
31 
32  spinlock_t lock;
33  u32 sequence;
34 };
35 
36 struct nouveau_fence_priv {
37  void (*dtor)(struct nouveau_drm *);
38  bool (*suspend)(struct nouveau_drm *);
39  void (*resume)(struct nouveau_drm *);
40  int (*context_new)(struct nouveau_channel *);
41  void (*context_del)(struct nouveau_channel *);
42  int (*emit)(struct nouveau_fence *);
43  int (*sync)(struct nouveau_fence *, struct nouveau_channel *,
44  struct nouveau_channel *);
45  u32 (*read)(struct nouveau_channel *);
46 };
47 
48 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
49 
50 void nouveau_fence_context_new(struct nouveau_fence_chan *);
51 void nouveau_fence_context_del(struct nouveau_fence_chan *);
52 
53 int nv04_fence_create(struct nouveau_drm *);
54 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
55 
56 int nv10_fence_emit(struct nouveau_fence *);
57 int nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
58  struct nouveau_channel *);
59 u32 nv10_fence_read(struct nouveau_channel *);
60 void nv10_fence_context_del(struct nouveau_channel *);
61 void nv10_fence_destroy(struct nouveau_drm *);
62 int nv10_fence_create(struct nouveau_drm *);
63 
64 int nv50_fence_create(struct nouveau_drm *);
65 int nv84_fence_create(struct nouveau_drm *);
66 int nvc0_fence_create(struct nouveau_drm *);
67 u64 nvc0_fence_crtc(struct nouveau_channel *, int crtc);
68 
69 int nouveau_flip_complete(void *chan);
70 
71 #endif
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