LXR linux/drivers/gpu/drm/nouveau/nouveau

   1#ifndef __NOUVEAU_FENCE_H__
   2#define __NOUVEAU_FENCE_H__
   3
   4struct nouveau_drm;
   5
   6struct nouveau_fence {
   7        struct list_head head;
   8        struct kref kref;
   9
  10        bool sysmem;
  11
  12        struct nouveau_channel *channel;
  13        unsigned long timeout;
  14        u32 sequence;
  15};
  16
  17int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
  18                       struct nouveau_fence **);
  19struct nouveau_fence *
  20nouveau_fence_ref(struct nouveau_fence *);
  21void nouveau_fence_unref(struct nouveau_fence **);
  22
  23int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
  24bool nouveau_fence_done(struct nouveau_fence *);
  25int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
  26int  nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
  27
  28struct nouveau_fence_chan {
  29        struct list_head pending;
  30        struct list_head flip;
  31
  32        int  (*emit)(struct nouveau_fence *);
  33        int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
  34                     struct nouveau_channel *);
  35        u32  (*read)(struct nouveau_channel *);
  36        int  (*emit32)(struct nouveau_channel *, u64, u32);
  37        int  (*sync32)(struct nouveau_channel *, u64, u32);
  38
  39        spinlock_t lock;
  40        u32 sequence;
  41};
  42
  43struct nouveau_fence_priv {
  44        void (*dtor)(struct nouveau_drm *);
  45        bool (*suspend)(struct nouveau_drm *);
  46        void (*resume)(struct nouveau_drm *);
  47        int  (*context_new)(struct nouveau_channel *);
  48        void (*context_del)(struct nouveau_channel *);
  49
  50        wait_queue_head_t waiting;
  51        bool uevent;
  52};
  53
  54#define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
  55
  56void nouveau_fence_context_new(struct nouveau_fence_chan *);
  57void nouveau_fence_context_del(struct nouveau_fence_chan *);
  58
  59int nv04_fence_create(struct nouveau_drm *);
  60int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  61
  62int  nv10_fence_emit(struct nouveau_fence *);
  63int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  64                     struct nouveau_channel *);
  65u32  nv10_fence_read(struct nouveau_channel *);
  66void nv10_fence_context_del(struct nouveau_channel *);
  67void nv10_fence_destroy(struct nouveau_drm *);
  68int  nv10_fence_create(struct nouveau_drm *);
  69
  70int  nv17_fence_create(struct nouveau_drm *);
  71void nv17_fence_resume(struct nouveau_drm *drm);
  72
  73int nv50_fence_create(struct nouveau_drm *);
  74int nv84_fence_create(struct nouveau_drm *);
  75int nvc0_fence_create(struct nouveau_drm *);
  76
  77int nouveau_flip_complete(void *chan);
  78
  79struct nv84_fence_chan {
  80        struct nouveau_fence_chan base;
  81        struct nouveau_vma vma;
  82        struct nouveau_vma vma_gart;
  83        struct nouveau_vma dispc_vma[4];
  84};
  85
  86struct nv84_fence_priv {
  87        struct nouveau_fence_priv base;
  88        struct nouveau_bo *bo;
  89        struct nouveau_bo *bo_gart;
  90        u32 *suspend;
  91};
  92
  93u64  nv84_fence_crtc(struct nouveau_channel *, int);
  94int  nv84_fence_context_new(struct nouveau_channel *);
  95
  96#endif
  97