Open source GPL/LGPL release

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, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _GK20A_SYNC_H_
+#define _GK20A_SYNC_H_
+
+#include <linux/types.h>
+#include <linux/version.h>
+
+struct sync_timeline;
+struct sync_fence;
+struct sync_pt;
+struct gk20a_semaphore;
+struct fence;
+
+int __gk20a_is_gk20a_sync_pt_inst(struct sync_pt *pt);
+int gk20a_is_gk20a_sync_pt_inst(struct fence *f);
+int gk20a_is_sema_backed_sync_fence(struct sync_fence *fence);
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,18,0)
+struct gk20a_semaphore *gk20a_sync_pt_inst_get_sema(struct fence *f);
+#else
+struct gk20a_semaphore *gk20a_sync_pt_inst_get_sema(struct sync_pt *pt);
+#endif
+
+#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 sync_timeline *,
+		struct gk20a_semaphore *,
+		struct sync_fence *dependency,
+		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