nouveau_fence.h revision 1.4 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 bool done;
13
14 struct nouveau_channel *channel;
15 unsigned long timeout;
16 u32 sequence;
17 };
18
19 int nouveau_fence_new(struct nouveau_channel *, bool sysmem,
20 struct nouveau_fence **);
21 struct nouveau_fence *
22 nouveau_fence_ref(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 nouveau_fence *, void (*)(void *), void *);
28 int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
29 int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
30
31 /*
32 * struct nouveau_fence_chan:
33 *
34 * State common to all fences in a single nouveau_channel.
35 */
36 struct nouveau_fence_chan {
37 struct list_head pending;
38 struct list_head flip;
39
40 int (*emit)(struct nouveau_fence *);
41 int (*sync)(struct nouveau_fence *, struct nouveau_channel *,
42 struct nouveau_channel *);
43 u32 (*read)(struct nouveau_channel *);
44 int (*emit32)(struct nouveau_channel *, u64, u32);
45 int (*sync32)(struct nouveau_channel *, u64, u32);
46
47 spinlock_t lock;
48 drm_waitqueue_t waitqueue;
49 volatile unsigned refcnt;
50 u32 sequence;
51 };
52
53 /*
54 * struct nouveau_fence_priv:
55 *
56 * Device-specific operations on fences.
57 */
58 struct nouveau_fence_priv {
59 void (*dtor)(struct nouveau_drm *);
60 bool (*suspend)(struct nouveau_drm *);
61 void (*resume)(struct nouveau_drm *);
62 int (*context_new)(struct nouveau_channel *);
63 void (*context_del)(struct nouveau_channel *);
64
65 bool uevent;
66 };
67
68 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
69
70 void nouveau_fence_context_new(struct nouveau_fence_chan *);
71 void nouveau_fence_context_del(struct nouveau_fence_chan *);
72
73 int nv04_fence_create(struct nouveau_drm *);
74 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
75
76 int nv10_fence_emit(struct nouveau_fence *);
77 int nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
78 struct nouveau_channel *);
79 u32 nv10_fence_read(struct nouveau_channel *);
80 void nv10_fence_context_del(struct nouveau_channel *);
81 void nv10_fence_destroy(struct nouveau_drm *);
82 int nv10_fence_create(struct nouveau_drm *);
83
84 int nv17_fence_create(struct nouveau_drm *);
85 void nv17_fence_resume(struct nouveau_drm *drm);
86
87 int nv50_fence_create(struct nouveau_drm *);
88 int nv84_fence_create(struct nouveau_drm *);
89 int nvc0_fence_create(struct nouveau_drm *);
90
91 int nouveau_flip_complete(void *chan);
92
93 struct nv84_fence_chan {
94 struct nouveau_fence_chan base;
95 struct nouveau_vma vma;
96 struct nouveau_vma vma_gart;
97 struct nouveau_vma dispc_vma[4];
98 };
99
100 struct nv84_fence_priv {
101 struct nouveau_fence_priv base;
102 struct nouveau_bo *bo;
103 struct nouveau_bo *bo_gart;
104 u32 *suspend;
105 };
106
107 u64 nv84_fence_crtc(struct nouveau_channel *, int);
108 int nv84_fence_context_new(struct nouveau_channel *);
109
110 #endif
111