1 files changed, 54 insertions, 0 deletions
diff --git a/hw/display.h b/hw/display.h
new file mode 100644
index 0000000..063396c
--- /dev/null
+++ b/hw/display.h
@@ -0,0 +1,54 @@
+/*
+ * libdevice-node
+ *
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ *
+ * 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.
+ */
+
+
+#ifndef __HW_DISPLAY_H__
+#define __HW_DISPLAY_H__
+
+#include <hw/common.h>
+
+/**
+ * The id of this device
+ */
+#define DISPLAY_HARDWARE_DEVICE_ID	"display"
+
+/**
+ * The version of this device
+ */
+#define DISPLAY_HARDWARE_DEVICE_VERSION	MAKE_VERSION(1,0)
+
+enum display_state {
+	DISPLAY_ON,       /* In use */
+	DISPLAY_STANDBY,  /* Blanked, low power */
+	DISPLAY_SUSPEND,  /* Blanked, lower power */
+	DISPLAY_OFF,      /* Shut off, awaiting activity */
+};
+
+struct display_device {
+	struct hw_common common;
+
+	/* The brightness value is 0 to 100. */
+	int (*get_brightness)(int *brightness);
+	int (*set_brightness)(int brightness);
+
+	/* Control display state */
+	int (*get_state)(enum display_state *state);
+	int (*set_state)(enum display_state state);
+};
+
+#endif