drivers/gpu/drm/nouveau/nouveau_fence.h

   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