1 files changed, 59 insertions, 0 deletions
diff --git a/gralloc960/gralloc_vsync_s3cfb.cpp b/gralloc960/gralloc_vsync_s3cfb.cpp
new file mode 100644
index 00000000..5740ea93
--- /dev/null
+++ b/gralloc960/gralloc_vsync_s3cfb.cpp
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2014 ARM Limited. All rights reserved.
+ *
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "gralloc_priv.h"
+#include "gralloc_vsync.h"
+#include "gralloc_vsync_report.h"
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#define FBIO_WAITFORVSYNC       _IOW('F', 0x20, __u32)
+#define S3CFB_SET_VSYNC_INT	_IOW('F', 206, unsigned int)
+
+int gralloc_vsync_enable(framebuffer_device_t *dev)
+{
+	private_module_t* m = reinterpret_cast<private_module_t*>(dev->common.module);
+	int interrupt = 1;
+	if(ioctl(m->framebuffer->fd, S3CFB_SET_VSYNC_INT, &interrupt) < 0) return -errno;
+	return 0;
+}
+
+int gralloc_vsync_disable(framebuffer_device_t *dev)
+{
+	private_module_t* m = reinterpret_cast<private_module_t*>(dev->common.module);
+	int interrupt = 0;
+	if(ioctl(m->framebuffer->fd, S3CFB_SET_VSYNC_INT, &interrupt) < 0) return -errno;
+	return 0;
+}
+
+int gralloc_wait_for_vsync(framebuffer_device_t *dev)
+{
+	private_module_t* m = reinterpret_cast<private_module_t*>(dev->common.module);
+	if ( m->swapInterval )
+	{
+		int crtc = 0;
+		gralloc_mali_vsync_report(MALI_VSYNC_EVENT_BEGIN_WAIT);
+		if(ioctl(m->framebuffer->fd, FBIO_WAITFORVSYNC, &crtc) < 0) 
+		{
+			gralloc_mali_vsync_report(MALI_VSYNC_EVENT_END_WAIT);
+			return -errno;
+		}
+		gralloc_mali_vsync_report(MALI_VSYNC_EVENT_END_WAIT);
+	}
+	return 0;
+}