1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h
new file mode 100644
index 000000000000..aaad7c90cfb0
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_merge3d.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef _DPU_HW_MERGE3D_H
+#define _DPU_HW_MERGE3D_H
+
+#include "dpu_hw_catalog.h"
+#include "dpu_hw_mdss.h"
+#include "dpu_hw_util.h"
+#include "dpu_hw_blk.h"
+
+struct dpu_hw_merge_3d;
+
+/**
+ *
+ * struct dpu_hw_merge_3d_ops : Interface to the merge_3d Hw driver functions
+ *  Assumption is these functions will be called after clocks are enabled
+ */
+struct dpu_hw_merge_3d_ops {
+};
+
+struct dpu_hw_merge_3d {
+	struct dpu_hw_blk base;
+	struct dpu_hw_blk_reg_map hw;
+
+	/* merge_3d */
+	enum dpu_merge_3d idx;
+	const struct dpu_merge_3d_cfg *caps;
+
+	/* ops */
+	struct dpu_hw_merge_3d_ops ops;
+};
+
+/**
+ * to_dpu_hw_merge_3d - convert base object dpu_hw_base to container
+ * @hw: Pointer to base hardware block
+ * return: Pointer to hardware block container
+ */
+static inline struct dpu_hw_merge_3d *to_dpu_hw_merge_3d(struct dpu_hw_blk *hw)
+{
+	return container_of(hw, struct dpu_hw_merge_3d, base);
+}
+
+/**
+ * dpu_hw_merge_3d_init - initializes the merge_3d driver for the passed
+ *	merge_3d idx.
+ * @idx:  Pingpong index for which driver object is required
+ * @addr: Mapped register io address of MDP
+ * @m:    Pointer to mdss catalog data
+ * Returns: Error code or allocated dpu_hw_merge_3d context
+ */
+struct dpu_hw_merge_3d *dpu_hw_merge_3d_init(enum dpu_merge_3d idx,
+		void __iomem *addr,
+		const struct dpu_mdss_cfg *m);
+
+/**
+ * dpu_hw_merge_3d_destroy - destroys merge_3d driver context
+ *	should be called to free the context
+ * @pp:   Pointer to PP driver context returned by dpu_hw_merge_3d_init
+ */
+void dpu_hw_merge_3d_destroy(struct dpu_hw_merge_3d *pp);
+
+#endif /*_DPU_HW_MERGE3D_H */