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/* 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 {
__u32 r;
__u32 g;
__u32 b;
};
/**
* struct dpu_hw_pcc - pcc feature structure
* @r: red coefficients.
* @g: green coefficients.
* @b: blue coefficients.
*/
struct dpu_hw_pcc_cfg {
struct dpu_hw_pcc_coeff r;
struct dpu_hw_pcc_coeff g;
struct dpu_hw_pcc_coeff b;
};
/**
* 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 {
/**
* setup_pcc - setup dspp pcc
* @ctx: Pointer to dspp context
* @cfg: Pointer to configuration
*/
void (*setup_pcc)(struct dpu_hw_dspp *ctx, struct dpu_hw_pcc_cfg *cfg);
};
/**
* 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 {
struct dpu_hw_blk base;
struct dpu_hw_blk_reg_map hw;
/* dspp */
int idx;
const struct dpu_dspp_cfg *cap;
/* Ops */
struct dpu_hw_dspp_ops ops;
};
/**
* 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)
{
return container_of(hw, struct dpu_hw_dspp, base);
}
/**
* dpu_hw_dspp_init - initializes the dspp hw driver object.
* should be called once before accessing every dspp.
* @idx: DSPP index 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(enum dpu_dspp idx,
void __iomem *addr, const struct dpu_mdss_cfg *m);
/**
* dpu_hw_dspp_destroy(): Destroys DSPP driver context
* @dspp: Pointer to DSPP driver context
*/
void dpu_hw_dspp_destroy(struct dpu_hw_dspp *dspp);
#endif /*_DPU_HW_DSPP_H */
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