drivers/gpu/drm/nouveau/nouveau_fence.h

   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 kref kref;
   9
  10         struct nouveau_channel *channel;
  11         unsigned long timeout;
  12         u32 sequence;
  13
  14         void (*work)(void *priv, bool signalled);
  15         void *priv;
  16 };
  17
  18 int  nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **);
  19 struct nouveau_fence *
  20 nouveau_fence_ref(struct nouveau_fence *);
  21 void nouveau_fence_unref(struct nouveau_fence **);
  22
  23 int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
  24 bool nouveau_fence_done(struct nouveau_fence *);
  25 int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
  26 int  nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
  27
  28 struct nouveau_fence_chan {
  29         struct list_head pending;
  30         struct list_head flip;
  31
  32         spinlock_t lock;
  33         u32 sequence;
  34 };
  35
  36 struct nouveau_fence_priv {
  37         void (*dtor)(struct nouveau_drm *);
  38         bool (*suspend)(struct nouveau_drm *);
  39         void (*resume)(struct nouveau_drm *);
  40         int  (*context_new)(struct nouveau_channel *);
  41         void (*context_del)(struct nouveau_channel *);
  42         int  (*emit)(struct nouveau_fence *);
  43         int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
  44                      struct nouveau_channel *);
  45         u32  (*read)(struct nouveau_channel *);
  46 };
  47
  48 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
  49
  50 void nouveau_fence_context_new(struct nouveau_fence_chan *);
  51 void nouveau_fence_context_del(struct nouveau_fence_chan *);
  52
  53 int nv04_fence_create(struct nouveau_drm *);
  54 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  55
  56 int  nv10_fence_emit(struct nouveau_fence *);
  57 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  58                      struct nouveau_channel *);
  59 u32  nv10_fence_read(struct nouveau_channel *);
  60 void nv10_fence_context_del(struct nouveau_channel *);
  61 void nv10_fence_destroy(struct nouveau_drm *);
  62 int  nv10_fence_create(struct nouveau_drm *);
  63
  64 int nv50_fence_create(struct nouveau_drm *);
  65 int nv84_fence_create(struct nouveau_drm *);
  66 int nvc0_fence_create(struct nouveau_drm *);
  67 u64 nvc0_fence_crtc(struct nouveau_channel *, int crtc);
  68
  69 int nouveau_flip_complete(void *chan);
  70
  71 #endif