android_kernel_xiaomi_sm8350/msm/sde/sde_hw_lm.h
Narendra Muppalla 3709853456 Display drivers kernel project initial snapshot
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>
2019-04-14 22:20:59 -07:00

131 lines
3.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.
*/
#ifndef _SDE_HW_LM_H
#define _SDE_HW_LM_H
#include "sde_hw_mdss.h"
#include "sde_hw_util.h"
#include "sde_hw_blk.h"
struct sde_hw_mixer;
struct sde_hw_mixer_cfg {
u32 out_width;
u32 out_height;
bool right_mixer;
int flags;
};
struct sde_hw_color3_cfg {
u8 keep_fg[SDE_STAGE_MAX];
};
/**
*
* struct sde_hw_lm_ops : Interface to the mixer Hw driver functions
* Assumption is these functions will be called after clocks are enabled
*/
struct sde_hw_lm_ops {
/*
* Sets up mixer output width and height
* and border color if enabled
*/
void (*setup_mixer_out)(struct sde_hw_mixer *ctx,
struct sde_hw_mixer_cfg *cfg);
/*
* Alpha blending configuration
* for the specified stage
*/
void (*setup_blend_config)(struct sde_hw_mixer *ctx, uint32_t stage,
uint32_t fg_alpha, uint32_t bg_alpha, uint32_t blend_op);
/*
* Alpha color component selection from either fg or bg
*/
void (*setup_alpha_out)(struct sde_hw_mixer *ctx, uint32_t mixer_op);
/**
* setup_border_color : enable/disable border color
*/
void (*setup_border_color)(struct sde_hw_mixer *ctx,
struct sde_mdss_color *color,
u8 border_en);
/**
* setup_gc : enable/disable gamma correction feature
*/
void (*setup_gc)(struct sde_hw_mixer *mixer,
void *cfg);
/**
* setup_dim_layer: configure dim layer settings
* @ctx: Pointer to layer mixer context
* @dim_layer: dim layer configs
*/
void (*setup_dim_layer)(struct sde_hw_mixer *ctx,
struct sde_hw_dim_layer *dim_layer);
/**
* clear_dim_layer: clear dim layer settings
* @ctx: Pointer to layer mixer context
*/
void (*clear_dim_layer)(struct sde_hw_mixer *ctx);
/* setup_misr: enables/disables MISR in HW register */
void (*setup_misr)(struct sde_hw_mixer *ctx,
bool enable, u32 frame_count);
/* collect_misr: reads and stores MISR data from HW register */
int (*collect_misr)(struct sde_hw_mixer *ctx, bool nonblock,
u32 *misr_value);
};
struct sde_hw_mixer {
struct sde_hw_blk base;
struct sde_hw_blk_reg_map hw;
/* lm */
enum sde_lm idx;
const struct sde_lm_cfg *cap;
const struct sde_mdp_cfg *mdp;
const struct sde_ctl_cfg *ctl;
/* ops */
struct sde_hw_lm_ops ops;
/* store mixer info specific to display */
struct sde_hw_mixer_cfg cfg;
};
/**
* to_sde_hw_mixer - convert base object sde_hw_base to container
* @hw: Pointer to base hardware block
* return: Pointer to hardware block container
*/
static inline struct sde_hw_mixer *to_sde_hw_mixer(struct sde_hw_blk *hw)
{
return container_of(hw, struct sde_hw_mixer, base);
}
/**
* sde_hw_lm_init(): Initializes the mixer hw driver object.
* should be called once before accessing every mixer.
* @idx: mixer index for which driver object is required
* @addr: mapped register io address of MDP
* @m : pointer to mdss catalog data
*/
struct sde_hw_mixer *sde_hw_lm_init(enum sde_lm idx,
void __iomem *addr,
struct sde_mdss_cfg *m);
/**
* sde_hw_lm_destroy(): Destroys layer mixer driver context
* @lm: Pointer to LM driver context
*/
void sde_hw_lm_destroy(struct sde_hw_mixer *lm);
#endif /*_SDE_HW_LM_H */