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 list_head work;
   9         struct kref kref;
  10
  11         bool sysmem;
  12
  13         struct nouveau_channel *channel;
  14         unsigned long timeout;
  15         u32 sequence;
  16 };
  17
  18 int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
  19                        struct nouveau_fence **);
  20 struct nouveau_fence *
  21 nouveau_fence_ref(struct nouveau_fence *);
  22 void nouveau_fence_unref(struct nouveau_fence **);
  23
  24 int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
  25 bool nouveau_fence_done(struct nouveau_fence *);
  26 void nouveau_fence_work(struct nouveau_fence *, void (*)(void *), void *);
  27 int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
  28 int  nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
  29
  30 struct nouveau_fence_chan {
  31         struct list_head pending;
  32         struct list_head flip;
  33
  34         int  (*emit)(struct nouveau_fence *);
  35         int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
  36                      struct nouveau_channel *);
  37         u32  (*read)(struct nouveau_channel *);
  38         int  (*emit32)(struct nouveau_channel *, u64, u32);
  39         int  (*sync32)(struct nouveau_channel *, u64, u32);
  40
  41         spinlock_t lock;
  42         u32 sequence;
  43 };
  44
  45 struct nouveau_fence_priv {
  46         void (*dtor)(struct nouveau_drm *);
  47         bool (*suspend)(struct nouveau_drm *);
  48         void (*resume)(struct nouveau_drm *);
  49         int  (*context_new)(struct nouveau_channel *);
  50         void (*context_del)(struct nouveau_channel *);
  51
  52         wait_queue_head_t waiting;
  53         bool uevent;
  54 };
  55
  56 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
  57
  58 void nouveau_fence_context_new(struct nouveau_fence_chan *);
  59 void nouveau_fence_context_del(struct nouveau_fence_chan *);
  60
  61 int nv04_fence_create(struct nouveau_drm *);
  62 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  63
  64 int  nv10_fence_emit(struct nouveau_fence *);
  65 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  66                      struct nouveau_channel *);
  67 u32  nv10_fence_read(struct nouveau_channel *);
  68 void nv10_fence_context_del(struct nouveau_channel *);
  69 void nv10_fence_destroy(struct nouveau_drm *);
  70 int  nv10_fence_create(struct nouveau_drm *);
  71
  72 int  nv17_fence_create(struct nouveau_drm *);
  73 void nv17_fence_resume(struct nouveau_drm *drm);
  74
  75 int nv50_fence_create(struct nouveau_drm *);
  76 int nv84_fence_create(struct nouveau_drm *);
  77 int nvc0_fence_create(struct nouveau_drm *);
  78
  79 int nouveau_flip_complete(void *chan);
  80
  81 struct nv84_fence_chan {
  82         struct nouveau_fence_chan base;
  83         struct nouveau_vma vma;
  84         struct nouveau_vma vma_gart;
  85         struct nouveau_vma dispc_vma[4];
  86 };
  87
  88 struct nv84_fence_priv {
  89         struct nouveau_fence_priv base;
  90         struct nouveau_bo *bo;
  91         struct nouveau_bo *bo_gart;
  92         u32 *suspend;
  93 };
  94
  95 u64  nv84_fence_crtc(struct nouveau_channel *, int);
  96 int  nv84_fence_context_new(struct nouveau_channel *);
  97
  98 #endif