1#ifndef __NOUVEAU_FENCE_H__
2#define __NOUVEAU_FENCE_H__
3
4#include <linux/fence.h>
5#include <nvif/notify.h>
6
7struct nouveau_drm;
8struct nouveau_bo;
9
10struct nouveau_fence {
11	struct 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
21int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
22		       struct nouveau_fence **);
23void nouveau_fence_unref(struct nouveau_fence **);
24
25int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
26bool nouveau_fence_done(struct nouveau_fence *);
27void nouveau_fence_work(struct fence *, void (*)(void *), void *);
28int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
29int  nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
30
31struct 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
53struct 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, context_base;
61	bool uevent;
62};
63
64#define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
65
66void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
67void nouveau_fence_context_del(struct nouveau_fence_chan *);
68void nouveau_fence_context_free(struct nouveau_fence_chan *);
69
70int nv04_fence_create(struct nouveau_drm *);
71int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
72
73int  nv10_fence_emit(struct nouveau_fence *);
74int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
75		     struct nouveau_channel *);
76u32  nv10_fence_read(struct nouveau_channel *);
77void nv10_fence_context_del(struct nouveau_channel *);
78void nv10_fence_destroy(struct nouveau_drm *);
79int  nv10_fence_create(struct nouveau_drm *);
80
81int  nv17_fence_create(struct nouveau_drm *);
82void nv17_fence_resume(struct nouveau_drm *drm);
83
84int nv50_fence_create(struct nouveau_drm *);
85int nv84_fence_create(struct nouveau_drm *);
86int nvc0_fence_create(struct nouveau_drm *);
87
88int nouveau_flip_complete(void *chan);
89
90struct nv84_fence_chan {
91	struct nouveau_fence_chan base;
92	struct nouveau_vma vma;
93	struct nouveau_vma vma_gart;
94	struct nouveau_vma dispc_vma[4];
95};
96
97struct nv84_fence_priv {
98	struct nouveau_fence_priv base;
99	struct nouveau_bo *bo;
100	struct nouveau_bo *bo_gart;
101	u32 *suspend;
102};
103
104u64  nv84_fence_crtc(struct nouveau_channel *, int);
105int  nv84_fence_context_new(struct nouveau_channel *);
106
107#endif
108