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 #ifdef __NetBSD__
53 	spinlock_t waitlock;
54 	drm_waitqueue_t waitqueue;
55 #else
56 	wait_queue_head_t waiting;
57 #endif
58 	bool uevent;
59 };
60 
61 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
62 
63 void nouveau_fence_context_new(struct nouveau_fence_chan *);
64 void nouveau_fence_context_del(struct nouveau_fence_chan *);
65 
66 int nv04_fence_create(struct nouveau_drm *);
67 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
68 
69 int  nv10_fence_emit(struct nouveau_fence *);
70 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
71 		     struct nouveau_channel *);
72 u32  nv10_fence_read(struct nouveau_channel *);
73 void nv10_fence_context_del(struct nouveau_channel *);
74 void nv10_fence_destroy(struct nouveau_drm *);
75 int  nv10_fence_create(struct nouveau_drm *);
76 
77 int  nv17_fence_create(struct nouveau_drm *);
78 void nv17_fence_resume(struct nouveau_drm *drm);
79 
80 int nv50_fence_create(struct nouveau_drm *);
81 int nv84_fence_create(struct nouveau_drm *);
82 int nvc0_fence_create(struct nouveau_drm *);
83 
84 int nouveau_flip_complete(void *chan);
85 
86 struct nv84_fence_chan {
87 	struct nouveau_fence_chan base;
88 	struct nouveau_vma vma;
89 	struct nouveau_vma vma_gart;
90 	struct nouveau_vma dispc_vma[4];
91 };
92 
93 struct nv84_fence_priv {
94 	struct nouveau_fence_priv base;
95 	struct nouveau_bo *bo;
96 	struct nouveau_bo *bo_gart;
97 	u32 *suspend;
98 };
99 
100 u64  nv84_fence_crtc(struct nouveau_channel *, int);
101 int  nv84_fence_context_new(struct nouveau_channel *);
102 
103 #endif
104