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         struct nouveau_channel __rcu *channel;
  17         unsigned long timeout;
  18 };
  19
  20 int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
  21                        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 int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
  27 int  nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
  28
  29 struct nouveau_fence_chan {
  30         spinlock_t lock;
  31         struct kref fence_ref;
  32
  33         struct list_head pending;
  34         struct list_head flip;
  35
  36         int  (*emit)(struct nouveau_fence *);
  37         int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
  38                      struct nouveau_channel *);
  39         u32  (*read)(struct nouveau_channel *);
  40         int  (*emit32)(struct nouveau_channel *, u64, u32);
  41         int  (*sync32)(struct nouveau_channel *, u64, u32);
  42
  43         u32 sequence;
  44         u32 context;
  45         char name[32];
  46
  47         struct nvif_notify notify;
  48         int notify_ref, dead;
  49 };
  50
  51 struct nouveau_fence_priv {
  52         void (*dtor)(struct nouveau_drm *);
  53         bool (*suspend)(struct nouveau_drm *);
  54         void (*resume)(struct nouveau_drm *);
  55         int  (*context_new)(struct nouveau_channel *);
  56         void (*context_del)(struct nouveau_channel *);
  57
  58         u32 contexts;
  59         u64 context_base;
  60         bool uevent;
  61 };
  62
  63 #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
  64
  65 void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
  66 void nouveau_fence_context_del(struct nouveau_fence_chan *);
  67 void nouveau_fence_context_free(struct nouveau_fence_chan *);
  68
  69 int nv04_fence_create(struct nouveau_drm *);
  70 int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
  71
  72 int  nv10_fence_emit(struct nouveau_fence *);
  73 int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
  74                      struct nouveau_channel *);
  75 u32  nv10_fence_read(struct nouveau_channel *);
  76 void nv10_fence_context_del(struct nouveau_channel *);
  77 void nv10_fence_destroy(struct nouveau_drm *);
  78 int  nv10_fence_create(struct nouveau_drm *);
  79
  80 int  nv17_fence_create(struct nouveau_drm *);
  81 void nv17_fence_resume(struct nouveau_drm *drm);
  82
  83 int nv50_fence_create(struct nouveau_drm *);
  84 int nv84_fence_create(struct nouveau_drm *);
  85 int nvc0_fence_create(struct nouveau_drm *);
  86
  87 int nouveau_flip_complete(struct nvif_notify *);
  88
  89 struct nv84_fence_chan {
  90         struct nouveau_fence_chan base;
  91         struct nouveau_vma *vma;
  92 };
  93
  94 struct nv84_fence_priv {
  95         struct nouveau_fence_priv base;
  96         struct nouveau_bo *bo;
  97         u32 *suspend;
  98         struct mutex mutex;
  99 };
 100
 101 int  nv84_fence_context_new(struct nouveau_channel *);
 102
 103 #endif