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      1  1.6  riastrad /*	$NetBSD: nouveau_fence.h,v 1.7 2021/12/18 23:45:32 riastradh Exp $	*/
      2  1.6  riastrad 
      3  1.7  riastrad /* SPDX-License-Identifier: MIT */
      4  1.1  riastrad #ifndef __NOUVEAU_FENCE_H__
      5  1.1  riastrad #define __NOUVEAU_FENCE_H__
      6  1.1  riastrad 
      7  1.7  riastrad #include <linux/dma-fence.h>
      8  1.6  riastrad #include <nvif/notify.h>
      9  1.6  riastrad 
     10  1.1  riastrad struct nouveau_drm;
     11  1.6  riastrad struct nouveau_bo;
     12  1.1  riastrad 
     13  1.1  riastrad struct nouveau_fence {
     14  1.7  riastrad 	struct dma_fence base;
     15  1.6  riastrad 
     16  1.1  riastrad 	struct list_head head;
     17  1.1  riastrad 
     18  1.6  riastrad 	struct nouveau_channel __rcu *channel;
     19  1.1  riastrad 	unsigned long timeout;
     20  1.1  riastrad };
     21  1.1  riastrad 
     22  1.1  riastrad int  nouveau_fence_new(struct nouveau_channel *, bool sysmem,
     23  1.1  riastrad 		       struct nouveau_fence **);
     24  1.1  riastrad void nouveau_fence_unref(struct nouveau_fence **);
     25  1.1  riastrad 
     26  1.1  riastrad int  nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
     27  1.1  riastrad bool nouveau_fence_done(struct nouveau_fence *);
     28  1.1  riastrad int  nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
     29  1.6  riastrad int  nouveau_fence_sync(struct nouveau_bo *, struct nouveau_channel *, bool exclusive, bool intr);
     30  1.1  riastrad 
     31  1.1  riastrad struct nouveau_fence_chan {
     32  1.6  riastrad 	spinlock_t lock;
     33  1.6  riastrad 	struct kref fence_ref;
     34  1.6  riastrad 
     35  1.1  riastrad 	struct list_head pending;
     36  1.1  riastrad 	struct list_head flip;
     37  1.1  riastrad 
     38  1.1  riastrad 	int  (*emit)(struct nouveau_fence *);
     39  1.1  riastrad 	int  (*sync)(struct nouveau_fence *, struct nouveau_channel *,
     40  1.1  riastrad 		     struct nouveau_channel *);
     41  1.1  riastrad 	u32  (*read)(struct nouveau_channel *);
     42  1.1  riastrad 	int  (*emit32)(struct nouveau_channel *, u64, u32);
     43  1.1  riastrad 	int  (*sync32)(struct nouveau_channel *, u64, u32);
     44  1.1  riastrad 
     45  1.1  riastrad 	u32 sequence;
     46  1.6  riastrad 	u32 context;
     47  1.6  riastrad 	char name[32];
     48  1.6  riastrad 
     49  1.6  riastrad 	struct nvif_notify notify;
     50  1.6  riastrad 	int notify_ref, dead;
     51  1.1  riastrad };
     52  1.1  riastrad 
     53  1.1  riastrad struct nouveau_fence_priv {
     54  1.1  riastrad 	void (*dtor)(struct nouveau_drm *);
     55  1.1  riastrad 	bool (*suspend)(struct nouveau_drm *);
     56  1.1  riastrad 	void (*resume)(struct nouveau_drm *);
     57  1.1  riastrad 	int  (*context_new)(struct nouveau_channel *);
     58  1.1  riastrad 	void (*context_del)(struct nouveau_channel *);
     59  1.1  riastrad 
     60  1.1  riastrad 	bool uevent;
     61  1.1  riastrad };
     62  1.1  riastrad 
     63  1.1  riastrad #define nouveau_fence(drm) ((struct nouveau_fence_priv *)(drm)->fence)
     64  1.1  riastrad 
     65  1.6  riastrad void nouveau_fence_context_new(struct nouveau_channel *, struct nouveau_fence_chan *);
     66  1.1  riastrad void nouveau_fence_context_del(struct nouveau_fence_chan *);
     67  1.6  riastrad void nouveau_fence_context_free(struct nouveau_fence_chan *);
     68  1.7  riastrad void nouveau_fence_context_kill(struct nouveau_fence_chan *, int error);
     69  1.1  riastrad 
     70  1.1  riastrad int nv04_fence_create(struct nouveau_drm *);
     71  1.1  riastrad int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
     72  1.1  riastrad 
     73  1.1  riastrad int  nv10_fence_emit(struct nouveau_fence *);
     74  1.1  riastrad int  nv17_fence_sync(struct nouveau_fence *, struct nouveau_channel *,
     75  1.1  riastrad 		     struct nouveau_channel *);
     76  1.1  riastrad u32  nv10_fence_read(struct nouveau_channel *);
     77  1.1  riastrad void nv10_fence_context_del(struct nouveau_channel *);
     78  1.1  riastrad void nv10_fence_destroy(struct nouveau_drm *);
     79  1.1  riastrad int  nv10_fence_create(struct nouveau_drm *);
     80  1.1  riastrad 
     81  1.1  riastrad int  nv17_fence_create(struct nouveau_drm *);
     82  1.1  riastrad void nv17_fence_resume(struct nouveau_drm *drm);
     83  1.1  riastrad 
     84  1.1  riastrad int nv50_fence_create(struct nouveau_drm *);
     85  1.1  riastrad int nv84_fence_create(struct nouveau_drm *);
     86  1.1  riastrad int nvc0_fence_create(struct nouveau_drm *);
     87  1.1  riastrad 
     88  1.1  riastrad struct nv84_fence_chan {
     89  1.1  riastrad 	struct nouveau_fence_chan base;
     90  1.7  riastrad 	struct nouveau_vma *vma;
     91  1.1  riastrad };
     92  1.1  riastrad 
     93  1.1  riastrad struct nv84_fence_priv {
     94  1.1  riastrad 	struct nouveau_fence_priv base;
     95  1.1  riastrad 	struct nouveau_bo *bo;
     96  1.1  riastrad 	u32 *suspend;
     97  1.6  riastrad 	struct mutex mutex;
     98  1.1  riastrad };
     99  1.1  riastrad 
    100  1.1  riastrad int  nv84_fence_context_new(struct nouveau_channel *);
    101  1.1  riastrad 
    102  1.1  riastrad #endif
    103