1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cwb.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cwb.h
new file mode 100644
index 000000000000..96b6edf6b2bb
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_cwb.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved
+ */
+
+#ifndef _DPU_HW_CWB_H
+#define _DPU_HW_CWB_H
+
+#include "dpu_hw_util.h"
+
+struct dpu_hw_cwb;
+
+enum cwb_mode_input {
+	INPUT_MODE_LM_OUT,
+	INPUT_MODE_DSPP_OUT,
+	INPUT_MODE_MAX
+};
+
+/**
+ * struct dpu_hw_cwb_setup_cfg : Describes configuration for CWB mux
+ * @pp_idx:        Index of the real-time pinpong that the CWB mux will
+ *                 feed the CWB mux
+ * @input:         Input tap point
+ */
+struct dpu_hw_cwb_setup_cfg {
+	enum dpu_pingpong pp_idx;
+	enum cwb_mode_input input;
+};
+
+/**
+ *
+ * struct dpu_hw_cwb_ops : Interface to the cwb hw driver functions
+ * @config_cwb: configure CWB mux
+ */
+struct dpu_hw_cwb_ops {
+	void (*config_cwb)(struct dpu_hw_cwb *ctx,
+			   struct dpu_hw_cwb_setup_cfg *cwb_cfg);
+};
+
+/**
+ * struct dpu_hw_cwb : CWB mux driver object
+ * @base: Hardware block base structure
+ * @hw: Block hardware details
+ * @idx: CWB index
+ * @ops: handle to operations possible for this CWB
+ */
+struct dpu_hw_cwb {
+	struct dpu_hw_blk base;
+	struct dpu_hw_blk_reg_map hw;
+
+	enum dpu_cwb idx;
+
+	struct dpu_hw_cwb_ops ops;
+};
+
+/**
+ * dpu_hw_cwb - 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_cwb *to_dpu_hw_cwb(struct dpu_hw_blk *hw)
+{
+	return container_of(hw, struct dpu_hw_cwb, base);
+}
+
+struct dpu_hw_cwb *dpu_hw_cwb_init(struct drm_device *dev,
+				   const struct dpu_cwb_cfg *cfg,
+				   void __iomem *addr);
+
+#endif /*_DPU_HW_CWB_H */