1 files changed, 58 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/sync_gk20a.h b/drivers/gpu/nvgpu/gk20a/sync_gk20a.h
new file mode 100644
index 00000000..7d7aff6d
--- /dev/null
+++ b/drivers/gpu/nvgpu/gk20a/sync_gk20a.h
@@ -0,0 +1,58 @@
+/*
+ * drivers/video/tegra/host/gk20a/sync_gk20a.h
+ *
+ * GK20A Sync Framework Integration
+ *
+ * Copyright (c) 2014-2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _GK20A_SYNC_H_
+#define _GK20A_SYNC_H_
+
+struct sync_timeline;
+struct sync_fence;
+struct sync_pt;
+struct nvgpu_semaphore;
+struct fence;
+
+int gk20a_is_sema_backed_sync_fence(struct sync_fence *fence);
+struct nvgpu_semaphore *gk20a_sync_fence_get_sema(struct sync_fence *f);
+
+#ifdef CONFIG_SYNC
+struct sync_timeline *gk20a_sync_timeline_create(const char *fmt, ...);
+void gk20a_sync_timeline_destroy(struct sync_timeline *);
+void gk20a_sync_timeline_signal(struct sync_timeline *);
+struct sync_fence *gk20a_sync_fence_create(
+                struct gk20a *g,
+                struct sync_timeline *,
+                struct nvgpu_semaphore *,
+                const char *fmt, ...);
+struct sync_fence *gk20a_sync_fence_fdget(int fd);
+#else
+static inline void gk20a_sync_timeline_destroy(struct sync_timeline *obj) {}
+static inline void gk20a_sync_timeline_signal(struct sync_timeline *obj) {}
+static inline struct sync_fence *gk20a_sync_fence_fdget(int fd)
+{
+        return NULL;
+}
+#endif
+
+#endif