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(struct nvif_notify *);
 89
 90struct nv84_fence_chan {
 91	struct nouveau_fence_chan base;
 92	struct nvkm_vma vma;
 93	struct nvkm_vma vma_gart;
 94	struct nvkm_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