3709853456
This change brings msm display driver including sde, dp, dsi, rotator, dsi pll and dp pll from base 4.19 kernel project. It is first source code snapshot from base kernel project. Change-Id: Iec864c064ce5ea04e170f24414c728684002f284 Signed-off-by: Narendra Muppalla <NarendraM@codeaurora.org>
109 lignes
2.8 KiB
C
109 lignes
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _SDE_HW_DS_H
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#define _SDE_HW_DS_H
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#include "sde_hw_mdss.h"
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#include "sde_hw_util.h"
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#include "sde_hw_catalog.h"
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#include "sde_hw_blk.h"
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struct sde_hw_ds;
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/* Destination Scaler DUAL mode overfetch pixel count */
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#define SDE_DS_OVERFETCH_SIZE 5
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/* Destination scaler DUAL mode operation bit */
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#define SDE_DS_OP_MODE_DUAL BIT(16)
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/* struct sde_hw_ds_cfg - destination scaler config
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* @idx : DS selection index
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* @flags : Flag to switch between mode for DS
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* @lm_width : Layer mixer width configuration
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* @lm_heigh : Layer mixer height configuration
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* @scl3_cfg : Configuration data for scaler
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*/
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struct sde_hw_ds_cfg {
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u32 idx;
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int flags;
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u32 lm_width;
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u32 lm_height;
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struct sde_hw_scaler3_cfg scl3_cfg;
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};
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/**
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* struct sde_hw_ds_ops - interface to the destination scaler
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* hardware driver functions
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* Caller must call the init function to get the ds context for each ds
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* Assumption is these functions will be called after clocks are enabled
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*/
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struct sde_hw_ds_ops {
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/**
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* setup_opmode - destination scaler op mode setup
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* @hw_ds : Pointer to ds context
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* @op_mode : Op mode configuration
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*/
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void (*setup_opmode)(struct sde_hw_ds *hw_ds,
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u32 op_mode);
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/**
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* setup_scaler - destination scaler block setup
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* @hw_ds : Pointer to ds context
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* @scaler_cfg : Pointer to scaler data
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* @scaler_lut_cfg : Pointer to scaler lut
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*/
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void (*setup_scaler)(struct sde_hw_ds *hw_ds,
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void *scaler_cfg,
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void *scaler_lut_cfg);
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/**
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* get_scaler_ver - get scaler h/w version
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* @ctx: Pointer to ds structure
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*/
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u32 (*get_scaler_ver)(struct sde_hw_ds *ctx);
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};
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/**
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* struct sde_hw_ds - destination scaler description
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* @base : Hardware block base structure
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* @hw : Block hardware details
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* @idx : Destination scaler index
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* @scl : Pointer to
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* - scaler offset relative to top offset
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* - capabilities
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* @ops : Pointer to operations for this DS
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*/
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struct sde_hw_ds {
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struct sde_hw_blk base;
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struct sde_hw_blk_reg_map hw;
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enum sde_ds idx;
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struct sde_ds_cfg *scl;
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struct sde_hw_ds_ops ops;
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};
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/**
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* sde_hw_ds_init - initializes the destination scaler
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* hw driver object and should be called once before
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* accessing every destination scaler
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* @idx : DS index for which driver object is required
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* @addr: Mapped register io address of MDP
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* @m : MDSS catalog information
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* @Return: pointer to structure or ERR_PTR
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*/
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struct sde_hw_ds *sde_hw_ds_init(enum sde_ds idx,
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void __iomem *addr,
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struct sde_mdss_cfg *m);
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/**
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* sde_hw_ds_destroy - destroys destination scaler
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* driver context
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* @hw_ds: Pointer to DS context
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*/
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void sde_hw_ds_destroy(struct sde_hw_ds *hw_ds);
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#endif /*_SDE_HW_DS_H */
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