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 	bool sysmem;
11 
12 	struct nouveau_channel *channel;
13 	unsigned long timeout;
14 	u32 sequence;
15 };
16 
17 int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
18 		       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 	int  (*emit)(struct nouveau_fence *);
33 	int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
34 		     struct nouveau_channel *);
35 	u32  (*read)(struct nouveau_channel *);
36 	int  (*emit32)(struct nouveau_channel *, u64, u32);
37 	int  (*sync32)(struct nouveau_channel *, u64, u32);
38 
39 	spinlock_t lock;
40 	u32 sequence;
41 };
42 
43 struct nouveau_fence_priv {
44 	void (*dtor)(struct nouveau_drm *);
45 	bool (*suspend)(struct nouveau_drm *);
46 	void (*resume)(struct nouveau_drm *);
47 	int  (*context_new)(struct nouveau_channel *);
48 	void (*context_del)(struct nouveau_channel *);
49 
50 	wait_queue_head_t waiting;
51 	bool uevent;
52 };
53 
54 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
55 
56 void nouveau_fence_context_new(struct nouveau_fence_chan *);
57 void nouveau_fence_context_del(struct nouveau_fence_chan *);
58 
59 int nv04_fence_create(struct nouveau_drm *);
60 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
61 
62 int  nv10_fence_emit(struct nouveau_fence *);
63 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
64 		     struct nouveau_channel *);
65 u32  nv10_fence_read(struct nouveau_channel *);
66 void nv10_fence_context_del(struct nouveau_channel *);
67 void nv10_fence_destroy(struct nouveau_drm *);
68 int  nv10_fence_create(struct nouveau_drm *);
69 
70 int  nv17_fence_create(struct nouveau_drm *);
71 void nv17_fence_resume(struct nouveau_drm *drm);
72 
73 int nv50_fence_create(struct nouveau_drm *);
74 int nv84_fence_create(struct nouveau_drm *);
75 int nvc0_fence_create(struct nouveau_drm *);
76 
77 int nouveau_flip_complete(void *chan);
78 
79 struct nv84_fence_chan {
80 	struct nouveau_fence_chan base;
81 	struct nouveau_vma vma;
82 	struct nouveau_vma vma_gart;
83 	struct nouveau_vma dispc_vma[4];
84 };
85 
86 struct nv84_fence_priv {
87 	struct nouveau_fence_priv base;
88 	struct nouveau_bo *bo;
89 	struct nouveau_bo *bo_gart;
90 	u32 *suspend;
91 };
92 
93 u64  nv84_fence_crtc(struct nouveau_channel *, int);
94 int  nv84_fence_context_new(struct nouveau_channel *);
95 
96 #endif
97