/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved
*/
#ifndef _DPU_HW_WB_H
#define _DPU_HW_WB_H
#include "dpu_hw_catalog.h"
#include "dpu_hw_mdss.h"
#include "dpu_hw_top.h"
#include "dpu_hw_util.h"
#include "dpu_hw_pingpong.h"
struct dpu_hw_wb;
struct dpu_hw_wb_cfg {
struct dpu_hw_fmt_layout dest;
enum dpu_intf_mode intf_mode;
struct drm_rect roi;
struct drm_rect crop;
};
/**
*
* struct dpu_hw_wb_ops : Interface to the wb hw driver functions
* Assumption is these functions will be called after clocks are enabled
* @setup_outaddress: setup output address from the writeback job
* @setup_outformat: setup output format of writeback block from writeback job
* @setup_qos_lut: setup qos LUT for writeback block based on input
* @setup_cdp: setup chroma down prefetch block for writeback block
* @setup_clk_force_ctrl: setup clock force control
* @bind_pingpong_blk: enable/disable the connection with ping-pong block
*/
struct dpu_hw_wb_ops {
void (*setup_outaddress)(struct dpu_hw_wb *ctx,
struct dpu_hw_wb_cfg *wb);
void (*setup_outformat)(struct dpu_hw_wb *ctx,
struct dpu_hw_wb_cfg *wb);
void (*setup_roi)(struct dpu_hw_wb *ctx,
struct dpu_hw_wb_cfg *wb);
void (*setup_qos_lut)(struct dpu_hw_wb *ctx,
struct dpu_hw_qos_cfg *cfg);
void (*setup_cdp)(struct dpu_hw_wb *ctx,
const struct msm_format *fmt,
bool enable);
bool (*setup_clk_force_ctrl)(struct dpu_hw_wb *ctx,
bool enable);
void (*bind_pingpong_blk)(struct dpu_hw_wb *ctx,
const enum dpu_pingpong pp);
};
/**
* struct dpu_hw_wb : WB driver object
* @hw: block hardware details
* @idx: hardware index number within type
* @wb_hw_caps: hardware capabilities
* @ops: function pointers
*/
struct dpu_hw_wb {
struct dpu_hw_blk_reg_map hw;
/* wb path */
int idx;
const struct dpu_wb_cfg *caps;
/* ops */
struct dpu_hw_wb_ops ops;
};
/**
* dpu_hw_wb_init() - Initializes the writeback hw driver object.
* @dev: Corresponding device for devres management
* @cfg: wb_path 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_wb context
*/
struct dpu_hw_wb *dpu_hw_wb_init(struct drm_device *dev,
const struct dpu_wb_cfg *cfg,
void __iomem *addr,
const struct dpu_mdss_version *mdss_rev);
#endif /*_DPU_HW_WB_H */