1 #ifndef __NOUVEAU_FENCE_H__
2 #define __NOUVEAU_FENCE_H__
3 
4 #include <linux/dma-fence.h>
5 #include <nvif/notify.h>
6 
7 struct nouveau_drm;
8 struct nouveau_bo;
9 
10 struct nouveau_fence {
11 	struct dma_fence base;
12 
13 	struct list_head head;
14 
15 	bool sysmem;
16 
17 	struct nouveau_channel __rcu *channel;
18 	unsigned long timeout;
19 };
20 
21 int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
22 		       struct nouveau_fence **);
23 void nouveau_fence_unref(struct nouveau_fence **);
24 
25 int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
26 bool nouveau_fence_done(struct nouveau_fence *);
27 void nouveau_fence_work(struct dma_fence *, void (*)(void *), void *);
28 int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
29 int  nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
30 
31 struct nouveau_fence_chan {
32 	spinlock_t lock;
33 	struct kref fence_ref;
34 
35 	struct list_head pending;
36 	struct list_head flip;
37 
38 	int  (*emit)(struct nouveau_fence *);
39 	int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
40 		     struct nouveau_channel *);
41 	u32  (*read)(struct nouveau_channel *);
42 	int  (*emit32)(struct nouveau_channel *, u64, u32);
43 	int  (*sync32)(struct nouveau_channel *, u64, u32);
44 
45 	u32 sequence;
46 	u32 context;
47 	char name[32];
48 
49 	struct nvif_notify notify;
50 	int notify_ref, dead;
51 };
52 
53 struct nouveau_fence_priv {
54 	void (*dtor)(struct nouveau_drm *);
55 	bool (*suspend)(struct nouveau_drm *);
56 	void (*resume)(struct nouveau_drm *);
57 	int  (*context_new)(struct nouveau_channel *);
58 	void (*context_del)(struct nouveau_channel *);
59 
60 	u32 contexts;
61 	u64 context_base;
62 	bool uevent;
63 };
64 
65 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
66 
67 void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
68 void nouveau_fence_context_del(struct nouveau_fence_chan *);
69 void nouveau_fence_context_free(struct nouveau_fence_chan *);
70 
71 int nv04_fence_create(struct nouveau_drm *);
72 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
73 
74 int  nv10_fence_emit(struct nouveau_fence *);
75 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
76 		     struct nouveau_channel *);
77 u32  nv10_fence_read(struct nouveau_channel *);
78 void nv10_fence_context_del(struct nouveau_channel *);
79 void nv10_fence_destroy(struct nouveau_drm *);
80 int  nv10_fence_create(struct nouveau_drm *);
81 
82 int  nv17_fence_create(struct nouveau_drm *);
83 void nv17_fence_resume(struct nouveau_drm *drm);
84 
85 int nv50_fence_create(struct nouveau_drm *);
86 int nv84_fence_create(struct nouveau_drm *);
87 int nvc0_fence_create(struct nouveau_drm *);
88 
89 int nouveau_flip_complete(struct nvif_notify *);
90 
91 struct nv84_fence_chan {
92 	struct nouveau_fence_chan base;
93 	struct nvkm_vma vma;
94 	struct nvkm_vma vma_gart;
95 };
96 
97 struct nv84_fence_priv {
98 	struct nouveau_fence_priv base;
99 	struct nouveau_bo *bo;
100 	struct nouveau_bo *bo_gart;
101 	u32 *suspend;
102 	struct mutex mutex;
103 };
104 
105 int  nv84_fence_context_new(struct nouveau_channel *);
106 
107 #endif
108