drivers/gpu/drm/nouveau/nouveau_fence.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __NOUVEAU_FENCE_H__
   3 #define __NOUVEAU_FENCE_H__
   4
   5 #include <linux/dma-fence.h>
   6 #include <nvif/notify.h>
   7
   8 struct nouveau_drm;
   9 struct nouveau_bo;
  10
  11 struct nouveau_fence {
  12         struct dma_fence base;
  13
  14         struct list_head head;
  15
  16         bool sysmem;
  17
  18         struct nouveau_channel __rcu *channel;
  19         unsigned long timeout;
  20 };
  21
  22 int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
  23                        struct nouveau_fence **);
  24 void nouveau_fence_unref(struct nouveau_fence **);
  25
  26 int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
  27 bool nouveau_fence_done(struct nouveau_fence *);
  28 void nouveau_fence_work(struct dma_fence *, void (*)(void *), void *);
  29 int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
  30 int  nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
  31
  32 struct nouveau_fence_chan {
  33         spinlock_t lock;
  34         struct kref fence_ref;
  35
  36         struct list_head pending;
  37         struct list_head flip;
  38
  39         int  (*emit)(struct nouveau_fence *);
  40         int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
  41                      struct nouveau_channel *);
  42         u32  (*read)(struct nouveau_channel *);
  43         int  (*emit32)(struct nouveau_channel *, u64, u32);
  44         int  (*sync32)(struct nouveau_channel *, u64, u32);
  45
  46         u32 sequence;
  47         u32 context;
  48         char name[32];
  49
  50         struct nvif_notify notify;
  51         int notify_ref, dead;
  52 };
  53
  54 struct nouveau_fence_priv {
  55         void (*dtor)(struct nouveau_drm *);
  56         bool (*suspend)(struct nouveau_drm *);
  57         void (*resume)(struct nouveau_drm *);
  58         int  (*context_new)(struct nouveau_channel *);
  59         void (*context_del)(struct nouveau_channel *);
  60
  61         u32 contexts;
  62         u64 context_base;
  63         bool uevent;
  64 };
  65
  66 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
  67
  68 void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
  69 void nouveau_fence_context_del(struct nouveau_fence_chan *);
  70 void nouveau_fence_context_free(struct nouveau_fence_chan *);
  71
  72 int nv04_fence_create(struct nouveau_drm *);
  73 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  74
  75 int  nv10_fence_emit(struct nouveau_fence *);
  76 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  77                      struct nouveau_channel *);
  78 u32  nv10_fence_read(struct nouveau_channel *);
  79 void nv10_fence_context_del(struct nouveau_channel *);
  80 void nv10_fence_destroy(struct nouveau_drm *);
  81 int  nv10_fence_create(struct nouveau_drm *);
  82
  83 int  nv17_fence_create(struct nouveau_drm *);
  84 void nv17_fence_resume(struct nouveau_drm *drm);
  85
  86 int nv50_fence_create(struct nouveau_drm *);
  87 int nv84_fence_create(struct nouveau_drm *);
  88 int nvc0_fence_create(struct nouveau_drm *);
  89
  90 int nouveau_flip_complete(struct nvif_notify *);
  91
  92 struct nv84_fence_chan {
  93         struct nouveau_fence_chan base;
  94         struct nvkm_vma vma;
  95         struct nvkm_vma vma_gart;
  96 };
  97
  98 struct nv84_fence_priv {
  99         struct nouveau_fence_priv base;
 100         struct nouveau_bo *bo;
 101         struct nouveau_bo *bo_gart;
 102         u32 *suspend;
 103         struct mutex mutex;
 104 };
 105
 106 int  nv84_fence_context_new(struct nouveau_channel *);
 107
 108 #endif