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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_fence.h')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_fence.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_fence.h b/drivers/gpu/drm/nouveau/nouveau_fence.h
new file mode 100644
index 00000000000..82ba733393a
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_fence.h
@@ -0,0 +1,52 @@
+#ifndef __NOUVEAU_FENCE_H__
+#define __NOUVEAU_FENCE_H__
+
+struct nouveau_fence {
+ struct list_head head;
+ struct kref kref;
+
+ struct nouveau_channel *channel;
+ unsigned long timeout;
+ u32 sequence;
+
+ void (*work)(void *priv, bool signalled);
+ void *priv;
+};
+
+int nouveau_fence_new(struct nouveau_channel *, struct nouveau_fence **);
+struct nouveau_fence *
+nouveau_fence_ref(struct nouveau_fence *);
+void nouveau_fence_unref(struct nouveau_fence **);
+
+int nouveau_fence_emit(struct nouveau_fence *, struct nouveau_channel *);
+bool nouveau_fence_done(struct nouveau_fence *);
+int nouveau_fence_wait(struct nouveau_fence *, bool lazy, bool intr);
+int nouveau_fence_sync(struct nouveau_fence *, struct nouveau_channel *);
+void nouveau_fence_idle(struct nouveau_channel *);
+void nouveau_fence_update(struct nouveau_channel *);
+
+struct nouveau_fence_chan {
+ struct list_head pending;
+ spinlock_t lock;
+ u32 sequence;
+};
+
+struct nouveau_fence_priv {
+ struct nouveau_exec_engine engine;
+ int (*emit)(struct nouveau_fence *);
+ int (*sync)(struct nouveau_fence *, struct nouveau_channel *,
+ struct nouveau_channel *);
+ u32 (*read)(struct nouveau_channel *);
+};
+
+void nouveau_fence_context_new(struct nouveau_fence_chan *);
+void nouveau_fence_context_del(struct nouveau_fence_chan *);
+
+int nv04_fence_create(struct drm_device *dev);
+int nv04_fence_mthd(struct nouveau_channel *, u32, u32, u32);
+
+int nv10_fence_create(struct drm_device *dev);
+int nv84_fence_create(struct drm_device *dev);
+int nvc0_fence_create(struct drm_device *dev);
+
+#endif