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

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

#ifndef _DPU_HW_TOP_H
#define _DPU_HW_TOP_H

#include "dpu_hw_catalog.h"
#include "dpu_hw_mdss.h"
#include "dpu_hw_util.h"

struct dpu_hw_mdp;

/**
 * struct traffic_shaper_cfg: traffic shaper configuration
 * @en        : enable/disable traffic shaper
 * @rd_client : true if read client; false if write client
 * @client_id : client identifier
 * @bpc_denom : denominator of byte per clk
 * @bpc_numer : numerator of byte per clk
 */
struct traffic_shaper_cfg { … };

/**
 * struct split_pipe_cfg - pipe configuration for dual display panels
 * @en        : Enable/disable dual pipe configuration
 * @mode      : Panel interface mode
 * @intf      : Interface id for main control path
 * @split_flush_en: Allows both the paths to be flushed when master path is
 *              flushed
 */
struct split_pipe_cfg { … };

/**
 * struct dpu_danger_safe_status: danger and safe status signals
 * @mdp: top level status
 * @sspp: source pipe status
 */
struct dpu_danger_safe_status { … };

/**
 * struct dpu_vsync_source_cfg - configure vsync source and configure the
 *                                    watchdog timers if required.
 * @pp_count: number of ping pongs active
 * @frame_rate: Display frame rate
 * @ppnumber: ping pong index array
 * @vsync_source: vsync source selection
 */
struct dpu_vsync_source_cfg { … };

/**
 * struct dpu_hw_mdp_ops - interface to the MDP TOP Hw driver functions
 * Assumption is these functions will be called after clocks are enabled.
 * @setup_split_pipe : Programs the pipe control registers
 * @setup_pp_split : Programs the pp split control registers
 * @setup_traffic_shaper : programs traffic shaper control
 */
struct dpu_hw_mdp_ops { … };

struct dpu_hw_mdp { … };

/**
 * dpu_hw_mdptop_init - initializes the top driver for the passed config
 * @dev:  Corresponding device for devres management
 * @cfg:  MDP TOP configuration from catalog
 * @addr: Mapped register io address of MDP
 * @m:    Pointer to mdss catalog data
 */
struct dpu_hw_mdp *dpu_hw_mdptop_init(struct drm_device *dev,
				      const struct dpu_mdp_cfg *cfg,
				      void __iomem *addr,
				      const struct dpu_mdss_cfg *m);

void dpu_hw_mdp_destroy(struct dpu_hw_mdp *mdp);

#endif /*_DPU_HW_TOP_H */