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

   1#ifndef __NOUVEAU_FENCE_H__
   2#define __NOUVEAU_FENCE_H__
   3
   4#include <linux/dma-fence.h>
   5#include <nvif/notify.h>
   6
   7struct nouveau_drm;
   8struct nouveau_bo;
   9
  10struct 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
  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 dma_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;
  61        u64 context_base;
  62        bool uevent;
  63};
  64
  65#define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
  66
  67void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
  68void nouveau_fence_context_del(struct nouveau_fence_chan *);
  69void nouveau_fence_context_free(struct nouveau_fence_chan *);
  70
  71int nv04_fence_create(struct nouveau_drm *);
  72int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  73
  74int  nv10_fence_emit(struct nouveau_fence *);
  75int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  76                     struct nouveau_channel *);
  77u32  nv10_fence_read(struct nouveau_channel *);
  78void nv10_fence_context_del(struct nouveau_channel *);
  79void nv10_fence_destroy(struct nouveau_drm *);
  80int  nv10_fence_create(struct nouveau_drm *);
  81
  82int  nv17_fence_create(struct nouveau_drm *);
  83void nv17_fence_resume(struct nouveau_drm *drm);
  84
  85int nv50_fence_create(struct nouveau_drm *);
  86int nv84_fence_create(struct nouveau_drm *);
  87int nvc0_fence_create(struct nouveau_drm *);
  88
  89int nouveau_flip_complete(struct nvif_notify *);
  90
  91struct nv84_fence_chan {
  92        struct nouveau_fence_chan base;
  93        struct nvkm_vma vma;
  94        struct nvkm_vma vma_gart;
  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        struct mutex mutex;
 103};
 104
 105int  nv84_fence_context_new(struct nouveau_channel *);
 106
 107#endif
 108