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

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

#ifndef _DPU_HW_DSPP_H
#define _DPU_HW_DSPP_H

struct dpu_hw_dspp;

/**
 * struct dpu_hw_pcc_coeff - PCC coefficient structure for each color
 *                            component.
 * @r: red coefficient.
 * @g: green coefficient.
 * @b: blue coefficient.
 */

struct dpu_hw_pcc_coeff { … };

/**
 * struct dpu_hw_pcc - pcc feature structure
 * @r: red coefficients.
 * @g: green coefficients.
 * @b: blue coefficients.
 */
struct dpu_hw_pcc_cfg { … };

/**
 * struct dpu_hw_dspp_ops - interface to the dspp hardware driver functions
 * Caller must call the init function to get the dspp context for each dspp
 * Assumption is these functions will be called after clocks are enabled
 */
struct dpu_hw_dspp_ops { … };

/**
 * struct dpu_hw_dspp - dspp description
 * @base: Hardware block base structure
 * @hw: Block hardware details
 * @idx: DSPP index
 * @cap: Pointer to layer_cfg
 * @ops: Pointer to operations possible for this DSPP
 */
struct dpu_hw_dspp { … };

/**
 * dpu_hw_dspp - 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_dspp *to_dpu_hw_dspp(struct dpu_hw_blk *hw)
{ … }

/**
 * dpu_hw_dspp_init() - Initializes the DSPP hw driver object.
 * should be called once before accessing every DSPP.
 * @dev:  Corresponding device for devres management
 * @cfg:  DSPP catalog entry for which driver object is required
 * @addr: Mapped register io address of MDP
 * Return: pointer to structure or ERR_PTR
 */
struct dpu_hw_dspp *dpu_hw_dspp_init(struct drm_device *dev,
				     const struct dpu_dspp_cfg *cfg,
				     void __iomem *addr);

#endif /*_DPU_HW_DSPP_H */