1#ifndef __NOUVEAU_FENCE_H__
 2#define __NOUVEAU_FENCE_H__
 3
 4struct nouveau_drm;
 5
 6struct 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
18int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
19		       struct nouveau_fence **);
20struct nouveau_fence *
21nouveau_fence_ref(struct nouveau_fence *);
22void nouveau_fence_unref(struct nouveau_fence **);
23
24int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
25bool nouveau_fence_done(struct nouveau_fence *);
26void nouveau_fence_work(struct nouveau_fence *, void (*)(void *), void *);
27int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
28int  nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
29
30struct 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
45struct 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
58void nouveau_fence_context_new(struct nouveau_fence_chan *);
59void nouveau_fence_context_del(struct nouveau_fence_chan *);
60
61int nv04_fence_create(struct nouveau_drm *);
62int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
63
64int  nv10_fence_emit(struct nouveau_fence *);
65int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
66		     struct nouveau_channel *);
67u32  nv10_fence_read(struct nouveau_channel *);
68void nv10_fence_context_del(struct nouveau_channel *);
69void nv10_fence_destroy(struct nouveau_drm *);
70int  nv10_fence_create(struct nouveau_drm *);
71
72int  nv17_fence_create(struct nouveau_drm *);
73void nv17_fence_resume(struct nouveau_drm *drm);
74
75int nv50_fence_create(struct nouveau_drm *);
76int nv84_fence_create(struct nouveau_drm *);
77int nvc0_fence_create(struct nouveau_drm *);
78
79int nouveau_flip_complete(void *chan);
80
81struct 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
88struct 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
95u64  nv84_fence_crtc(struct nouveau_channel *, int);
96int  nv84_fence_context_new(struct nouveau_channel *);
97
98#endif