/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DPU_HW_DSPP_H
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#define _DPU_HW_DSPP_H
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#include "dpu_hw_blk.h"
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struct dpu_hw_dspp;
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/**
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* struct dpu_hw_pcc_coeff - PCC coefficient structure for each color
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* component.
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* @r: red coefficient.
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* @g: green coefficient.
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* @b: blue coefficient.
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*/
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struct dpu_hw_pcc_coeff {
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__u32 r;
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__u32 g;
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__u32 b;
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};
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/**
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* struct dpu_hw_pcc - pcc feature structure
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* @r: red coefficients.
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* @g: green coefficients.
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* @b: blue coefficients.
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*/
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struct dpu_hw_pcc_cfg {
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struct dpu_hw_pcc_coeff r;
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struct dpu_hw_pcc_coeff g;
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struct dpu_hw_pcc_coeff b;
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};
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/**
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* struct dpu_hw_dspp_ops - interface to the dspp hardware driver functions
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* Caller must call the init function to get the dspp context for each dspp
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* Assumption is these functions will be called after clocks are enabled
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*/
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struct dpu_hw_dspp_ops {
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/**
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* setup_pcc - setup dspp pcc
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* @ctx: Pointer to dspp context
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* @cfg: Pointer to configuration
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*/
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void (*setup_pcc)(struct dpu_hw_dspp *ctx, struct dpu_hw_pcc_cfg *cfg);
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};
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/**
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* struct dpu_hw_dspp - dspp description
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* @base: Hardware block base structure
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* @hw: Block hardware details
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* @idx: DSPP index
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* @cap: Pointer to layer_cfg
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* @ops: Pointer to operations possible for this DSPP
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*/
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struct dpu_hw_dspp {
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struct dpu_hw_blk base;
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struct dpu_hw_blk_reg_map hw;
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/* dspp */
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int idx;
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const struct dpu_dspp_cfg *cap;
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/* Ops */
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struct dpu_hw_dspp_ops ops;
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};
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/**
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* dpu_hw_dspp - convert base object dpu_hw_base to container
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* @hw: Pointer to base hardware block
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* return: Pointer to hardware block container
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*/
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static inline struct dpu_hw_dspp *to_dpu_hw_dspp(struct dpu_hw_blk *hw)
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{
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return container_of(hw, struct dpu_hw_dspp, base);
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}
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/**
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* dpu_hw_dspp_init - initializes the dspp hw driver object.
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* should be called once before accessing every dspp.
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* @idx: DSPP index for which driver object is required
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* @addr: Mapped register io address of MDP
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* @Return: pointer to structure or ERR_PTR
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*/
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struct dpu_hw_dspp *dpu_hw_dspp_init(enum dpu_dspp idx,
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void __iomem *addr, const struct dpu_mdss_cfg *m);
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/**
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* dpu_hw_dspp_destroy(): Destroys DSPP driver context
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* @dspp: Pointer to DSPP driver context
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*/
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void dpu_hw_dspp_destroy(struct dpu_hw_dspp *dspp);
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#endif /*_DPU_HW_DSPP_H */
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