linux/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_pingpong.h

/* SPDX-License-Identifier: GPL-2.0-only */
/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
 */

#ifndef _DPU_HW_PINGPONG_H
#define _DPU_HW_PINGPONG_H

#include "dpu_hw_catalog.h"
#include "dpu_hw_mdss.h"
#include "dpu_hw_util.h"

#define DITHER_MATRIX_SZ …

struct dpu_hw_pingpong;

/**
 * struct dpu_hw_dither_cfg - dither feature structure
 * @flags: for customizing operations
 * @temporal_en: temperal dither enable
 * @c0_bitdepth: c0 component bit depth
 * @c1_bitdepth: c1 component bit depth
 * @c2_bitdepth: c2 component bit depth
 * @c3_bitdepth: c2 component bit depth
 * @matrix: dither strength matrix
 */
struct dpu_hw_dither_cfg { … };

/**
 *
 * struct dpu_hw_pingpong_ops : Interface to the pingpong Hw driver functions
 *  Assumption is these functions will be called after clocks are enabled
 *  @enable_tearcheck: program and enable tear check block
 *  @disable_tearcheck: disable able tear check block
 *  @setup_dither : function to program the dither hw block
 *  @get_line_count: obtain current vertical line counter
 */
struct dpu_hw_pingpong_ops { … };

struct dpu_hw_merge_3d;

struct dpu_hw_pingpong { … };

/**
 * to_dpu_hw_pingpong - 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_pingpong *to_dpu_hw_pingpong(struct dpu_hw_blk *hw)
{ … }

/**
 * dpu_hw_pingpong_init() - initializes the pingpong driver for the passed
 * pingpong catalog entry.
 * @dev:  Corresponding device for devres management
 * @cfg:  Pingpong catalog entry for which driver object is required
 * @addr: Mapped register io address of MDP
 * @mdss_rev: dpu core's major and minor versions
 * Return: Error code or allocated dpu_hw_pingpong context
 */
struct dpu_hw_pingpong *dpu_hw_pingpong_init(struct drm_device *dev,
					     const struct dpu_pingpong_cfg *cfg,
					     void __iomem *addr,
					     const struct dpu_mdss_version *mdss_rev);

#endif /*_DPU_HW_PINGPONG_H */