1 files changed, 81 insertions, 0 deletions
diff --git a/drivers/gpu/arm/t6xx/kbase/src/linux/mali_kbase_sync.h b/drivers/gpu/arm/t6xx/kbase/src/linux/mali_kbase_sync.h
new file mode 100755
index 00000000000..9898ae40cd6
--- /dev/null
+++ b/drivers/gpu/arm/t6xx/kbase/src/linux/mali_kbase_sync.h
@@ -0,0 +1,81 @@
+/*
+ *
+ * (C) COPYRIGHT 2012 ARM Limited. All rights reserved.
+ *
+ * This program is free software and is provided to you under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation, and any use by you of this program is subject to the terms
+ * of such GNU licence.
+ *
+ * A copy of the licence is included with the program, and can also be obtained
+ * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA  02110-1301, USA.
+ *
+ */
+
+
+
+/**
+ * @file mali_kbase_sync.h
+ *
+ */
+
+#ifndef MALI_KBASE_SYNC_H
+#define MALI_KBASE_SYNC_H
+
+#include <linux/sync.h>
+#include <malisw/mali_malisw.h>
+
+/*
+ * Create a stream object.
+ * Built on top of timeline object.
+ * Exposed as a file descriptor.
+ * Life-time controlled via the file descriptor:
+ * - dup to add a ref
+ * - close to remove a ref
+ */
+mali_error kbase_stream_create(const char *name, int *const out_fd);
+
+/*
+ * Create a fence in a stream object
+ */
+int kbase_stream_create_fence(int tl_fd);
+
+/*
+ * Validate a fd to be a valid fence
+ * No reference is taken.
+ *
+ * This function is only usable to catch unintentional user errors early,
+ * it does not stop malicious code changing the fd after this function returns.
+ */
+mali_error kbase_fence_validate(int fd);
+
+/* Returns true if the specified timeline is allocated by Mali */
+int kbase_sync_timeline_is_ours(struct sync_timeline *timeline);
+
+/* Allocates a timeline for Mali
+ *
+ * One timeline should be allocated per API context.
+ */
+struct sync_timeline *kbase_sync_timeline_alloc(const char *name);
+
+/* Allocates a sync point within the timeline.
+ *
+ * The timeline must be the one allocated by kbase_sync_timeline_alloc
+ *
+ * Sync points must be triggered in *exactly* the same order as they are allocated.
+ */
+struct sync_pt *kbase_sync_pt_alloc(struct sync_timeline *parent);
+
+/* Signals a particular sync point
+ *
+ * Sync points must be triggered in *exactly* the same order as they are allocated.
+ *
+ * If they are signalled in the wrong order then a message will be printed in debug
+ * builds and otherwise attempts to signal order sync_pts will be ignored.
+ *
+ * result can be negative to indicate error, any other value is interpreted as success.
+ */
+void kbase_sync_signal_pt(struct sync_pt *pt, int result);
+
+#endif