1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tegra/plane.h b/drivers/gpu/drm/tegra/plane.h
new file mode 100644
index 000000000000..6938719e7e5d
--- /dev/null
+++ b/drivers/gpu/drm/tegra/plane.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2017 NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef TEGRA_PLANE_H
+#define TEGRA_PLANE_H 1
+
+#include <drm/drm_plane.h>
+
+struct tegra_bo;
+struct tegra_dc;
+
+struct tegra_plane {
+	struct drm_plane base;
+	struct tegra_dc *dc;
+	unsigned int offset;
+	unsigned int index;
+};
+
+struct tegra_cursor {
+	struct tegra_plane base;
+
+	struct tegra_bo *bo;
+	unsigned int width;
+	unsigned int height;
+};
+
+static inline struct tegra_plane *to_tegra_plane(struct drm_plane *plane)
+{
+	return container_of(plane, struct tegra_plane, base);
+}
+
+struct tegra_plane_state {
+	struct drm_plane_state base;
+
+	struct tegra_bo_tiling tiling;
+	u32 format;
+	u32 swap;
+
+	/* used for legacy blending support only */
+	bool opaque;
+	bool dependent[3];
+};
+
+static inline struct tegra_plane_state *
+to_tegra_plane_state(struct drm_plane_state *state)
+{
+	if (state)
+		return container_of(state, struct tegra_plane_state, base);
+
+	return NULL;
+}
+
+extern const struct drm_plane_funcs tegra_plane_funcs;
+
+int tegra_plane_state_add(struct tegra_plane *plane,
+			  struct drm_plane_state *state);
+
+int tegra_plane_format(u32 fourcc, u32 *format, u32 *swap);
+bool tegra_plane_format_is_yuv(unsigned int format, bool *planar);
+bool tegra_plane_format_has_alpha(unsigned int format);
+int tegra_plane_format_get_alpha(unsigned int opaque, unsigned int *alpha);
+void tegra_plane_check_dependent(struct tegra_plane *tegra,
+				 struct tegra_plane_state *state);
+
+#endif /* TEGRA_PLANE_H */