Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / include / video / videomode.h
diff --git a/kernel/include/video/videomode.h b/kernel/include/video/videomode.h
new file mode 100644 (file)
index 0000000..3f1049d
--- /dev/null
@@ -0,0 +1,58 @@
+/*
+ * Copyright 2012 Steffen Trumtrar <s.trumtrar@pengutronix.de>
+ *
+ * generic videomode description
+ *
+ * This file is released under the GPLv2
+ */
+
+#ifndef __LINUX_VIDEOMODE_H
+#define __LINUX_VIDEOMODE_H
+
+#include <linux/types.h>
+#include <video/display_timing.h>
+
+/*
+ * Subsystem independent description of a videomode.
+ * Can be generated from struct display_timing.
+ */
+struct videomode {
+       unsigned long pixelclock;       /* pixelclock in Hz */
+
+       u32 hactive;
+       u32 hfront_porch;
+       u32 hback_porch;
+       u32 hsync_len;
+
+       u32 vactive;
+       u32 vfront_porch;
+       u32 vback_porch;
+       u32 vsync_len;
+
+       enum display_flags flags; /* display flags */
+};
+
+/**
+ * videomode_from_timing - convert display timing to videomode
+ * @dt: display_timing structure
+ * @vm: return value
+ *
+ * DESCRIPTION:
+ * This function converts a struct display_timing to a struct videomode.
+ */
+void videomode_from_timing(const struct display_timing *dt,
+                         struct videomode *vm);
+
+/**
+ * videomode_from_timings - convert one display timings entry to videomode
+ * @disp: structure with all possible timing entries
+ * @vm: return value
+ * @index: index into the list of display timings in devicetree
+ *
+ * DESCRIPTION:
+ * This function converts one struct display_timing entry to a struct videomode.
+ */
+int videomode_from_timings(const struct display_timings *disp,
+                         struct videomode *vm, unsigned int index);
+
+#endif