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>
146 lines
3.7 KiB
C
146 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef _SDE_HW_CDM_H
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#define _SDE_HW_CDM_H
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#include "sde_hw_mdss.h"
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#include "sde_hw_top.h"
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#include "sde_hw_blk.h"
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struct sde_hw_cdm;
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struct sde_hw_cdm_cfg {
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u32 output_width;
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u32 output_height;
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u32 output_bit_depth;
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u32 h_cdwn_type;
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u32 v_cdwn_type;
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const struct sde_format *output_fmt;
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u32 output_type;
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int flags;
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int pp_id;
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};
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enum sde_hw_cdwn_type {
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CDM_CDWN_DISABLE,
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CDM_CDWN_PIXEL_DROP,
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CDM_CDWN_AVG,
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CDM_CDWN_COSITE,
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CDM_CDWN_OFFSITE,
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};
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enum sde_hw_cdwn_output_type {
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CDM_CDWN_OUTPUT_HDMI,
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CDM_CDWN_OUTPUT_WB,
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};
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enum sde_hw_cdwn_output_bit_depth {
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CDM_CDWN_OUTPUT_8BIT,
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CDM_CDWN_OUTPUT_10BIT,
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};
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/**
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* struct sde_hw_cdm_ops : Interface to the chroma down Hw driver functions
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* Assumption is these functions will be called after
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* clocks are enabled
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* @setup_csc: Programs the csc matrix
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* @setup_cdwn: Sets up the chroma down sub module
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* @enable: Enables the output to interface and programs the
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* output packer
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* @disable: Puts the cdm in bypass mode
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* @bind_pingpong_blk: enable/disable the connection with pingpong which
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* will feed pixels to this cdm
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*/
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struct sde_hw_cdm_ops {
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/**
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* Programs the CSC matrix for conversion from RGB space to YUV space,
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* it is optional to call this function as this matrix is automatically
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* set during initialization, user should call this if it wants
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* to program a different matrix than default matrix.
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* @cdm: Pointer to the chroma down context structure
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* @data Pointer to CSC configuration data
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* return: 0 if success; error code otherwise
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*/
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int (*setup_csc_data)(struct sde_hw_cdm *cdm,
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struct sde_csc_cfg *data);
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/**
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* Programs the Chroma downsample part.
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* @cdm Pointer to chroma down context
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*/
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int (*setup_cdwn)(struct sde_hw_cdm *cdm,
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struct sde_hw_cdm_cfg *cfg);
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/**
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* Enable the CDM module
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* @cdm Pointer to chroma down context
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*/
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int (*enable)(struct sde_hw_cdm *cdm,
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struct sde_hw_cdm_cfg *cfg);
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/**
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* Disable the CDM module
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* @cdm Pointer to chroma down context
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*/
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void (*disable)(struct sde_hw_cdm *cdm);
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/**
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* Enable/disable the connection with pingpong
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* @cdm Pointer to chroma down context
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* @enable Enable/disable control
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* @pp pingpong block id.
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*/
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void (*bind_pingpong_blk)(struct sde_hw_cdm *cdm,
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bool enable,
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const enum sde_pingpong pp);
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};
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struct sde_hw_cdm {
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struct sde_hw_blk base;
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struct sde_hw_blk_reg_map hw;
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/* chroma down */
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const struct sde_cdm_cfg *caps;
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enum sde_cdm idx;
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/* mdp top hw driver */
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struct sde_hw_mdp *hw_mdp;
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/* ops */
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struct sde_hw_cdm_ops ops;
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};
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/**
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* sde_hw_cdm - convert base object sde_hw_base to container
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* @hw: Pointer to base hardware block
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* return: Pointer to hardware block container
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*/
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static inline struct sde_hw_cdm *to_sde_hw_cdm(struct sde_hw_blk *hw)
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{
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return container_of(hw, struct sde_hw_cdm, base);
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}
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/**
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* sde_hw_cdm_init - initializes the cdm hw driver object.
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* should be called once before accessing every cdm.
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* @idx: cdm index for which driver object is required
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* @addr: mapped register io address of MDP
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* @m : pointer to mdss catalog data
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* @hw_mdp: pointer to mdp top hw driver object
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*/
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struct sde_hw_cdm *sde_hw_cdm_init(enum sde_cdm idx,
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void __iomem *addr,
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struct sde_mdss_cfg *m,
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struct sde_hw_mdp *hw_mdp);
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/**
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* sde_hw_cdm_destroy - destroys CDM driver context
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* @cdm: pointer to CDM driver context
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*/
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void sde_hw_cdm_destroy(struct sde_hw_cdm *cdm);
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#endif /*_SDE_HW_CDM_H */
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