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 list_head work;
9 	struct kref kref;
10 
11 	bool sysmem;
12 
13 	struct nouveau_channel *channel;
14 	unsigned long timeout;
15 	u32 sequence;
16 };
17 
18 int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
19 		       struct nouveau_fence **);
20 struct nouveau_fence *
21 nouveau_fence_ref(struct nouveau_fence *);
22 void nouveau_fence_unref(struct nouveau_fence **);
23 
24 int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
25 bool nouveau_fence_done(struct nouveau_fence *);
26 void nouveau_fence_work(struct nouveau_fence *, void (*)(void *), void *);
27 int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
28 int  nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
29 
30 struct nouveau_fence_chan {
31 	struct list_head pending;
32 	struct list_head flip;
33 
34 	int  (*emit)(struct nouveau_fence *);
35 	int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
36 		     struct nouveau_channel *);
37 	u32  (*read)(struct nouveau_channel *);
38 	int  (*emit32)(struct nouveau_channel *, u64, u32);
39 	int  (*sync32)(struct nouveau_channel *, u64, u32);
40 
41 	spinlock_t lock;
42 	u32 sequence;
43 };
44 
45 struct nouveau_fence_priv {
46 	void (*dtor)(struct nouveau_drm *);
47 	bool (*suspend)(struct nouveau_drm *);
48 	void (*resume)(struct nouveau_drm *);
49 	int  (*context_new)(struct nouveau_channel *);
50 	void (*context_del)(struct nouveau_channel *);
51 
52 	wait_queue_head_t waiting;
53 	bool uevent;
54 };
55 
56 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
57 
58 void nouveau_fence_context_new(struct nouveau_fence_chan *);
59 void nouveau_fence_context_del(struct nouveau_fence_chan *);
60 
61 int nv04_fence_create(struct nouveau_drm *);
62 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
63 
64 int  nv10_fence_emit(struct nouveau_fence *);
65 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
66 		     struct nouveau_channel *);
67 u32  nv10_fence_read(struct nouveau_channel *);
68 void nv10_fence_context_del(struct nouveau_channel *);
69 void nv10_fence_destroy(struct nouveau_drm *);
70 int  nv10_fence_create(struct nouveau_drm *);
71 
72 int  nv17_fence_create(struct nouveau_drm *);
73 void nv17_fence_resume(struct nouveau_drm *drm);
74 
75 int nv50_fence_create(struct nouveau_drm *);
76 int nv84_fence_create(struct nouveau_drm *);
77 int nvc0_fence_create(struct nouveau_drm *);
78 
79 int nouveau_flip_complete(void *chan);
80 
81 struct nv84_fence_chan {
82 	struct nouveau_fence_chan base;
83 	struct nouveau_vma vma;
84 	struct nouveau_vma vma_gart;
85 	struct nouveau_vma dispc_vma[4];
86 };
87 
88 struct nv84_fence_priv {
89 	struct nouveau_fence_priv base;
90 	struct nouveau_bo *bo;
91 	struct nouveau_bo *bo_gart;
92 	u32 *suspend;
93 };
94 
95 u64  nv84_fence_crtc(struct nouveau_channel *, int);
96 int  nv84_fence_context_new(struct nouveau_channel *);
97 
98 #endif
99