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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2015-2021, The Linux Foundation. All rights reserved.
*/
#ifndef _DPU_HW_UTIL_H
#define _DPU_HW_UTIL_H
#include <linux/io.h>
#include <linux/slab.h>
#include "dpu_hw_mdss.h"
#define REG_MASK(n) ((BIT(n)) - 1)
/*
* This is the common struct maintained by each sub block
* for mapping the register offsets in this block to the
* absoulute IO address
* @base_off: mdp register mapped offset
* @blk_off: pipe offset relative to mdss offset
* @length length of register block offset
* @xin_id xin id
* @hwversion mdss hw version number
*/
struct dpu_hw_blk_reg_map {
void __iomem *base_off;
u32 blk_off;
u32 length;
u32 xin_id;
u32 hwversion;
u32 log_mask;
};
/**
* struct dpu_hw_scaler3_de_cfg : QSEEDv3 detail enhancer configuration
* @enable: detail enhancer enable/disable
* @sharpen_level1: sharpening strength for noise
* @sharpen_level2: sharpening strength for signal
* @ clip: clip shift
* @ limit: limit value
* @ thr_quiet: quiet threshold
* @ thr_dieout: dieout threshold
* @ thr_high: low threshold
* @ thr_high: high threshold
* @ prec_shift: precision shift
* @ adjust_a: A-coefficients for mapping curve
* @ adjust_b: B-coefficients for mapping curve
* @ adjust_c: C-coefficients for mapping curve
*/
struct dpu_hw_scaler3_de_cfg {
u32 enable;
int16_t sharpen_level1;
int16_t sharpen_level2;
uint16_t clip;
uint16_t limit;
uint16_t thr_quiet;
uint16_t thr_dieout;
uint16_t thr_low;
uint16_t thr_high;
uint16_t prec_shift;
int16_t adjust_a[DPU_MAX_DE_CURVES];
int16_t adjust_b[DPU_MAX_DE_CURVES];
int16_t adjust_c[DPU_MAX_DE_CURVES];
};
/**
* struct dpu_hw_scaler3_cfg : QSEEDv3 configuration
* @enable: scaler enable
* @dir_en: direction detection block enable
* @ init_phase_x: horizontal initial phase
* @ phase_step_x: horizontal phase step
* @ init_phase_y: vertical initial phase
* @ phase_step_y: vertical phase step
* @ preload_x: horizontal preload value
* @ preload_y: vertical preload value
* @ src_width: source width
* @ src_height: source height
* @ dst_width: destination width
* @ dst_height: destination height
* @ y_rgb_filter_cfg: y/rgb plane filter configuration
* @ uv_filter_cfg: uv plane filter configuration
* @ alpha_filter_cfg: alpha filter configuration
* @ blend_cfg: blend coefficients configuration
* @ lut_flag: scaler LUT update flags
* 0x1 swap LUT bank
* 0x2 update 2D filter LUT
* 0x4 update y circular filter LUT
* 0x8 update uv circular filter LUT
* 0x10 update y separable filter LUT
* 0x20 update uv separable filter LUT
* @ dir_lut_idx: 2D filter LUT index
* @ y_rgb_cir_lut_idx: y circular filter LUT index
* @ uv_cir_lut_idx: uv circular filter LUT index
* @ y_rgb_sep_lut_idx: y circular filter LUT index
* @ uv_sep_lut_idx: uv separable filter LUT index
* @ dir_lut: pointer to 2D LUT
* @ cir_lut: pointer to circular filter LUT
* @ sep_lut: pointer to separable filter LUT
* @ de: detail enhancer configuration
* @ dir_weight: Directional weight
*/
struct dpu_hw_scaler3_cfg {
u32 enable;
u32 dir_en;
int32_t init_phase_x[DPU_MAX_PLANES];
int32_t phase_step_x[DPU_MAX_PLANES];
int32_t init_phase_y[DPU_MAX_PLANES];
int32_t phase_step_y[DPU_MAX_PLANES];
u32 preload_x[DPU_MAX_PLANES];
u32 preload_y[DPU_MAX_PLANES];
u32 src_width[DPU_MAX_PLANES];
u32 src_height[DPU_MAX_PLANES];
u32 dst_width;
u32 dst_height;
u32 y_rgb_filter_cfg;
u32 uv_filter_cfg;
u32 alpha_filter_cfg;
u32 blend_cfg;
u32 lut_flag;
u32 dir_lut_idx;
u32 y_rgb_cir_lut_idx;
u32 uv_cir_lut_idx;
u32 y_rgb_sep_lut_idx;
u32 uv_sep_lut_idx;
u32 *dir_lut;
size_t dir_len;
u32 *cir_lut;
size_t cir_len;
u32 *sep_lut;
size_t sep_len;
/*
* Detail enhancer settings
*/
struct dpu_hw_scaler3_de_cfg de;
u32 dir_weight;
};
/**
* struct dpu_drm_pix_ext_v1 - version 1 of pixel ext structure
* @num_ext_pxls_lr: Number of total horizontal pixels
* @num_ext_pxls_tb: Number of total vertical lines
* @left_ftch: Number of extra pixels to overfetch from left
* @right_ftch: Number of extra pixels to overfetch from right
* @top_ftch: Number of extra lines to overfetch from top
* @btm_ftch: Number of extra lines to overfetch from bottom
* @left_rpt: Number of extra pixels to repeat from left
* @right_rpt: Number of extra pixels to repeat from right
* @top_rpt: Number of extra lines to repeat from top
* @btm_rpt: Number of extra lines to repeat from bottom
*/
struct dpu_drm_pix_ext_v1 {
/*
* Number of pixels ext in left, right, top and bottom direction
* for all color components.
*/
int32_t num_ext_pxls_lr[DPU_MAX_PLANES];
int32_t num_ext_pxls_tb[DPU_MAX_PLANES];
/*
* Number of pixels needs to be overfetched in left, right, top
* and bottom directions from source image for scaling.
*/
int32_t left_ftch[DPU_MAX_PLANES];
int32_t right_ftch[DPU_MAX_PLANES];
int32_t top_ftch[DPU_MAX_PLANES];
int32_t btm_ftch[DPU_MAX_PLANES];
/*
* Number of pixels needs to be repeated in left, right, top and
* bottom directions for scaling.
*/
int32_t left_rpt[DPU_MAX_PLANES];
int32_t right_rpt[DPU_MAX_PLANES];
int32_t top_rpt[DPU_MAX_PLANES];
int32_t btm_rpt[DPU_MAX_PLANES];
};
/**
* struct dpu_drm_de_v1 - version 1 of detail enhancer structure
* @enable: Enables/disables detail enhancer
* @sharpen_level1: Sharpening strength for noise
* @sharpen_level2: Sharpening strength for context
* @clip: Clip coefficient
* @limit: Detail enhancer limit factor
* @thr_quiet: Quite zone threshold
* @thr_dieout: Die-out zone threshold
* @thr_low: Linear zone left threshold
* @thr_high: Linear zone right threshold
* @prec_shift: Detail enhancer precision
* @adjust_a: Mapping curves A coefficients
* @adjust_b: Mapping curves B coefficients
* @adjust_c: Mapping curves C coefficients
*/
struct dpu_drm_de_v1 {
uint32_t enable;
int16_t sharpen_level1;
int16_t sharpen_level2;
uint16_t clip;
uint16_t limit;
uint16_t thr_quiet;
uint16_t thr_dieout;
uint16_t thr_low;
uint16_t thr_high;
uint16_t prec_shift;
int16_t adjust_a[DPU_MAX_DE_CURVES];
int16_t adjust_b[DPU_MAX_DE_CURVES];
int16_t adjust_c[DPU_MAX_DE_CURVES];
};
/**
* struct dpu_drm_scaler_v2 - version 2 of struct dpu_drm_scaler
* @enable: Scaler enable
* @dir_en: Detail enhancer enable
* @pe: Pixel extension settings
* @horz_decimate: Horizontal decimation factor
* @vert_decimate: Vertical decimation factor
* @init_phase_x: Initial scaler phase values for x
* @phase_step_x: Phase step values for x
* @init_phase_y: Initial scaler phase values for y
* @phase_step_y: Phase step values for y
* @preload_x: Horizontal preload value
* @preload_y: Vertical preload value
* @src_width: Source width
* @src_height: Source height
* @dst_width: Destination width
* @dst_height: Destination height
* @y_rgb_filter_cfg: Y/RGB plane filter configuration
* @uv_filter_cfg: UV plane filter configuration
* @alpha_filter_cfg: Alpha filter configuration
* @blend_cfg: Selection of blend coefficients
* @lut_flag: LUT configuration flags
* @dir_lut_idx: 2d 4x4 LUT index
* @y_rgb_cir_lut_idx: Y/RGB circular LUT index
* @uv_cir_lut_idx: UV circular LUT index
* @y_rgb_sep_lut_idx: Y/RGB separable LUT index
* @uv_sep_lut_idx: UV separable LUT index
* @de: Detail enhancer settings
*/
struct dpu_drm_scaler_v2 {
/*
* General definitions
*/
uint32_t enable;
uint32_t dir_en;
/*
* Pix ext settings
*/
struct dpu_drm_pix_ext_v1 pe;
/*
* Decimation settings
*/
uint32_t horz_decimate;
uint32_t vert_decimate;
/*
* Phase settings
*/
int32_t init_phase_x[DPU_MAX_PLANES];
int32_t phase_step_x[DPU_MAX_PLANES];
int32_t init_phase_y[DPU_MAX_PLANES];
int32_t phase_step_y[DPU_MAX_PLANES];
uint32_t preload_x[DPU_MAX_PLANES];
uint32_t preload_y[DPU_MAX_PLANES];
uint32_t src_width[DPU_MAX_PLANES];
uint32_t src_height[DPU_MAX_PLANES];
uint32_t dst_width;
uint32_t dst_height;
uint32_t y_rgb_filter_cfg;
uint32_t uv_filter_cfg;
uint32_t alpha_filter_cfg;
uint32_t blend_cfg;
uint32_t lut_flag;
uint32_t dir_lut_idx;
/* for Y(RGB) and UV planes*/
uint32_t y_rgb_cir_lut_idx;
uint32_t uv_cir_lut_idx;
uint32_t y_rgb_sep_lut_idx;
uint32_t uv_sep_lut_idx;
/*
* Detail enhancer settings
*/
struct dpu_drm_de_v1 de;
};
u32 *dpu_hw_util_get_log_mask_ptr(void);
void dpu_reg_write(struct dpu_hw_blk_reg_map *c,
u32 reg_off,
u32 val,
const char *name);
int dpu_reg_read(struct dpu_hw_blk_reg_map *c, u32 reg_off);
#define DPU_REG_WRITE(c, off, val) dpu_reg_write(c, off, val, #off)
#define DPU_REG_READ(c, off) dpu_reg_read(c, off)
void *dpu_hw_util_get_dir(void);
void dpu_hw_setup_scaler3(struct dpu_hw_blk_reg_map *c,
struct dpu_hw_scaler3_cfg *scaler3_cfg,
u32 scaler_offset, u32 scaler_version,
const struct dpu_format *format);
u32 dpu_hw_get_scaler3_ver(struct dpu_hw_blk_reg_map *c,
u32 scaler_offset);
void dpu_hw_csc_setup(struct dpu_hw_blk_reg_map *c,
u32 csc_reg_off,
const struct dpu_csc_cfg *data, bool csc10);
#endif /* _DPU_HW_UTIL_H */