116 lines
2.9 KiB
C
116 lines
2.9 KiB
C
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/* Copyright (c) 2015-2018, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _DPU_HW_LM_H
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#define _DPU_HW_LM_H
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#include "dpu_hw_mdss.h"
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#include "dpu_hw_util.h"
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#include "dpu_hw_blk.h"
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struct dpu_hw_mixer;
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struct dpu_hw_mixer_cfg {
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u32 out_width;
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u32 out_height;
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bool right_mixer;
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int flags;
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};
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struct dpu_hw_color3_cfg {
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u8 keep_fg[DPU_STAGE_MAX];
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};
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/**
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*
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* struct dpu_hw_lm_ops : Interface to the mixer Hw driver functions
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* Assumption is these functions will be called after clocks are enabled
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*/
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struct dpu_hw_lm_ops {
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/*
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* Sets up mixer output width and height
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* and border color if enabled
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*/
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void (*setup_mixer_out)(struct dpu_hw_mixer *ctx,
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struct dpu_hw_mixer_cfg *cfg);
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/*
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* Alpha blending configuration
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* for the specified stage
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*/
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void (*setup_blend_config)(struct dpu_hw_mixer *ctx, uint32_t stage,
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uint32_t fg_alpha, uint32_t bg_alpha, uint32_t blend_op);
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/*
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* Alpha color component selection from either fg or bg
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*/
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void (*setup_alpha_out)(struct dpu_hw_mixer *ctx, uint32_t mixer_op);
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/**
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* setup_border_color : enable/disable border color
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*/
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void (*setup_border_color)(struct dpu_hw_mixer *ctx,
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struct dpu_mdss_color *color,
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u8 border_en);
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/**
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* setup_gc : enable/disable gamma correction feature
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*/
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void (*setup_gc)(struct dpu_hw_mixer *mixer,
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void *cfg);
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};
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struct dpu_hw_mixer {
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struct dpu_hw_blk base;
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struct dpu_hw_blk_reg_map hw;
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/* lm */
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enum dpu_lm idx;
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const struct dpu_lm_cfg *cap;
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const struct dpu_mdp_cfg *mdp;
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const struct dpu_ctl_cfg *ctl;
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/* ops */
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struct dpu_hw_lm_ops ops;
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/* store mixer info specific to display */
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struct dpu_hw_mixer_cfg cfg;
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};
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/**
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* to_dpu_hw_mixer - convert base object dpu_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 dpu_hw_mixer *to_dpu_hw_mixer(struct dpu_hw_blk *hw)
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{
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return container_of(hw, struct dpu_hw_mixer, base);
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}
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/**
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* dpu_hw_lm_init(): Initializes the mixer hw driver object.
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* should be called once before accessing every mixer.
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* @idx: mixer 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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*/
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struct dpu_hw_mixer *dpu_hw_lm_init(enum dpu_lm idx,
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void __iomem *addr,
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struct dpu_mdss_cfg *m);
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/**
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* dpu_hw_lm_destroy(): Destroys layer mixer driver context
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* @lm: Pointer to LM driver context
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*/
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void dpu_hw_lm_destroy(struct dpu_hw_mixer *lm);
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#endif /*_DPU_HW_LM_H */
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