/* 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 * @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 dpu_format *fmt, 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. * @cfg: wb_path catalog entry for which driver object is required * @addr: mapped register io address of MDP * Return: Error code or allocated dpu_hw_wb context */ struct dpu_hw_wb *dpu_hw_wb_init(const struct dpu_wb_cfg *cfg, void __iomem *addr); /** * dpu_hw_wb_destroy(): Destroy writeback hw driver object. * @hw_wb: Pointer to writeback hw driver object */ void dpu_hw_wb_destroy(struct dpu_hw_wb *hw_wb); #endif /*_DPU_HW_WB_H */