1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/ion/sprd/sprd_fence.h b/drivers/gpu/ion/sprd/sprd_fence.h
new file mode 100644
index 00000000..6916ccf4
--- /dev/null
+++ b/drivers/gpu/ion/sprd/sprd_fence.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that 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 _SPRD_FENCE_H_
+#define _SPRD_FENCE_H_
+
+#include <linux/mutex.h>
+#include <linux/types.h>
+#include <linux/sync.h>
+#include <video/ion_sprd.h>
+
+struct sprd_sync_timeline {
+    struct sync_timeline obj;
+    u32 value;
+};
+
+struct sprd_sync_pt {
+    struct sync_pt pt;
+    u32 value;
+};
+
+struct sprd_sync_create_fence_data {
+    __u32 value;
+    char name[32];
+    __s32 fence; /* fd of new fence */
+};
+
+struct sync_timeline_data {
+    int timeline_value;
+    struct mutex sync_mutex;
+    struct sprd_sync_timeline *timeline;
+};
+
+extern int open_sprd_sync_timeline(void);
+extern int close_sprd_sync_timeline(void);
+extern int sprd_fence_build(struct ion_fence_data *data);
+extern int sprd_fence_destroy(struct ion_fence_data *data);
+extern int sprd_fence_signal(struct ion_fence_data *data);
+extern int sprd_fence_wait(int fence_fd);
+extern struct sync_pt *sprd_fence_dup(struct sync_pt *sync_pt);
+
+#endif