/* SPDX-License-Identifier: GPL-2.0-only WITH Linux-syscall-note */
/*
* PiSP Back End configuration definitions.
*
* Copyright (C) 2021 - Raspberry Pi Ltd
*
*/
#ifndef _UAPI_PISP_BE_CONFIG_H_
#define _UAPI_PISP_BE_CONFIG_H_
#include <linux/types.h>
#include "pisp_common.h"
/* byte alignment for inputs */
#define PISP_BACK_END_INPUT_ALIGN 4u
/* alignment for compressed inputs */
#define PISP_BACK_END_COMPRESSED_ALIGN 8u
/* minimum required byte alignment for outputs */
#define PISP_BACK_END_OUTPUT_MIN_ALIGN 16u
/* preferred byte alignment for outputs */
#define PISP_BACK_END_OUTPUT_MAX_ALIGN 64u
/* minimum allowed tile width anywhere in the pipeline */
#define PISP_BACK_END_MIN_TILE_WIDTH 16u
/* minimum allowed tile width anywhere in the pipeline */
#define PISP_BACK_END_MIN_TILE_HEIGHT 16u
#define PISP_BACK_END_NUM_OUTPUTS 2
#define PISP_BACK_END_HOG_OUTPUT 1
#define PISP_BACK_END_NUM_TILES 64
enum pisp_be_bayer_enable {
PISP_BE_BAYER_ENABLE_INPUT = 0x000001,
PISP_BE_BAYER_ENABLE_DECOMPRESS = 0x000002,
PISP_BE_BAYER_ENABLE_DPC = 0x000004,
PISP_BE_BAYER_ENABLE_GEQ = 0x000008,
PISP_BE_BAYER_ENABLE_TDN_INPUT = 0x000010,
PISP_BE_BAYER_ENABLE_TDN_DECOMPRESS = 0x000020,
PISP_BE_BAYER_ENABLE_TDN = 0x000040,
PISP_BE_BAYER_ENABLE_TDN_COMPRESS = 0x000080,
PISP_BE_BAYER_ENABLE_TDN_OUTPUT = 0x000100,
PISP_BE_BAYER_ENABLE_SDN = 0x000200,
PISP_BE_BAYER_ENABLE_BLC = 0x000400,
PISP_BE_BAYER_ENABLE_STITCH_INPUT = 0x000800,
PISP_BE_BAYER_ENABLE_STITCH_DECOMPRESS = 0x001000,
PISP_BE_BAYER_ENABLE_STITCH = 0x002000,
PISP_BE_BAYER_ENABLE_STITCH_COMPRESS = 0x004000,
PISP_BE_BAYER_ENABLE_STITCH_OUTPUT = 0x008000,
PISP_BE_BAYER_ENABLE_WBG = 0x010000,
PISP_BE_BAYER_ENABLE_CDN = 0x020000,
PISP_BE_BAYER_ENABLE_LSC = 0x040000,
PISP_BE_BAYER_ENABLE_TONEMAP = 0x080000,
PISP_BE_BAYER_ENABLE_CAC = 0x100000,
PISP_BE_BAYER_ENABLE_DEBIN = 0x200000,
PISP_BE_BAYER_ENABLE_DEMOSAIC = 0x400000,
};
enum pisp_be_rgb_enable {
PISP_BE_RGB_ENABLE_INPUT = 0x000001,
PISP_BE_RGB_ENABLE_CCM = 0x000002,
PISP_BE_RGB_ENABLE_SAT_CONTROL = 0x000004,
PISP_BE_RGB_ENABLE_YCBCR = 0x000008,
PISP_BE_RGB_ENABLE_FALSE_COLOUR = 0x000010,
PISP_BE_RGB_ENABLE_SHARPEN = 0x000020,
/* Preferred colours would occupy 0x000040 */
PISP_BE_RGB_ENABLE_YCBCR_INVERSE = 0x000080,
PISP_BE_RGB_ENABLE_GAMMA = 0x000100,
PISP_BE_RGB_ENABLE_CSC0 = 0x000200,
PISP_BE_RGB_ENABLE_CSC1 = 0x000400,
PISP_BE_RGB_ENABLE_DOWNSCALE0 = 0x001000,
PISP_BE_RGB_ENABLE_DOWNSCALE1 = 0x002000,
PISP_BE_RGB_ENABLE_RESAMPLE0 = 0x008000,
PISP_BE_RGB_ENABLE_RESAMPLE1 = 0x010000,
PISP_BE_RGB_ENABLE_OUTPUT0 = 0x040000,
PISP_BE_RGB_ENABLE_OUTPUT1 = 0x080000,
PISP_BE_RGB_ENABLE_HOG = 0x200000
};
#define PISP_BE_RGB_ENABLE_CSC(i) (PISP_BE_RGB_ENABLE_CSC0 << (i))
#define PISP_BE_RGB_ENABLE_DOWNSCALE(i) (PISP_BE_RGB_ENABLE_DOWNSCALE0 << (i))
#define PISP_BE_RGB_ENABLE_RESAMPLE(i) (PISP_BE_RGB_ENABLE_RESAMPLE0 << (i))
#define PISP_BE_RGB_ENABLE_OUTPUT(i) (PISP_BE_RGB_ENABLE_OUTPUT0 << (i))
/*
* We use the enable flags to show when blocks are "dirty", but we need some
* extra ones too.
*/
enum pisp_be_dirty {
PISP_BE_DIRTY_GLOBAL = 0x0001,
PISP_BE_DIRTY_SH_FC_COMBINE = 0x0002,
PISP_BE_DIRTY_CROP = 0x0004
};
/**
* struct pisp_be_global_config - PiSP global enable bitmaps
* @bayer_enables: Bayer input enable flags
* @rgb_enables: RGB output enable flags
* @bayer_order: Bayer input format ordering
* @pad: Padding bytes
*/
struct pisp_be_global_config {
__u32 bayer_enables;
__u32 rgb_enables;
__u8 bayer_order;
__u8 pad[3];
} __attribute__((packed));
/**
* struct pisp_be_input_buffer_config - PiSP Back End input buffer
* @addr: Input buffer address
*/
struct pisp_be_input_buffer_config {
/* low 32 bits followed by high 32 bits (for each of up to 3 planes) */
__u32 addr[3][2];
} __attribute__((packed));
/**
* struct pisp_be_dpc_config - PiSP Back End DPC config
*
* Defective Pixel Correction configuration
*
* @coeff_level: Coefficient for the darkest neighbouring pixel value
* @coeff_range: Coefficient for the range of pixels for this Bayer channel
* @pad: Padding byte
* @flags: DPC configuration flags
*/
struct pisp_be_dpc_config {
__u8 coeff_level;
__u8 coeff_range;
__u8 pad;
#define PISP_BE_DPC_FLAG_FOLDBACK 1
__u8 flags;
} __attribute__((packed));
/**
* struct pisp_be_geq_config - PiSP Back End GEQ config
*
* Green Equalisation configuration
*
* @offset: Offset value for threshold calculation
* @slope_sharper: Slope/Sharper configuration
* @min: Minimum value the threshold may have
* @max: Maximum value the threshold may have
*/
struct pisp_be_geq_config {
__u16 offset;
#define PISP_BE_GEQ_SHARPER (1U << 15)
#define PISP_BE_GEQ_SLOPE ((1 << 10) - 1)
/* top bit is the "sharper" flag, slope value is bottom 10 bits */
__u16 slope_sharper;
__u16 min;
__u16 max;
} __attribute__((packed));
/**
* struct pisp_be_tdn_input_buffer_config - PiSP Back End TDN input buffer
* @addr: TDN input buffer address
*/
struct pisp_be_tdn_input_buffer_config {
/* low 32 bits followed by high 32 bits */
__u32 addr[2];
} __attribute__((packed));
/**
* struct pisp_be_tdn_config - PiSP Back End TDN config
*
* Temporal Denoise configuration
*
* @black_level: Black level value subtracted from pixels
* @ratio: Multiplier for the LTA input frame
* @noise_constant: Constant offset value used in noise estimation
* @noise_slope: Noise estimation multiplier
* @threshold: Threshold for TDN operations
* @reset: Disable TDN operations
* @pad: Padding byte
*/
struct pisp_be_tdn_config {
__u16 black_level;
__u16 ratio;
__u16 noise_constant;
__u16 noise_slope;
__u16 threshold;
__u8 reset;
__u8 pad;
} __attribute__((packed));
/**
* struct pisp_be_tdn_output_buffer_config - PiSP Back End TDN output buffer
* @addr: TDN output buffer address
*/
struct pisp_be_tdn_output_buffer_config {
/* low 32 bits followed by high 32 bits */
__u32 addr[2];
} __attribute__((packed));
/**
* struct pisp_be_sdn_config - PiSP Back End SDN config
*
* Spatial Denoise configuration
*
* @black_level: Black level subtracted from pixel for noise estimation
* @leakage: Proportion of the original undenoised value to mix in
* denoised output
* @pad: Padding byte
* @noise_constant: Noise constant used for noise estimation
* @noise_slope: Noise slope value used for noise estimation
* @noise_constant2: Second noise constant used for noise estimation
* @noise_slope2: Second slope value used for noise estimation
*/
struct pisp_be_sdn_config {
__u16 black_level;
__u8 leakage;
__u8 pad;
__u16 noise_constant;
__u16 noise_slope;
__u16 noise_constant2;
__u16 noise_slope2;
} __attribute__((packed));
/**
* struct pisp_be_stitch_input_buffer_config - PiSP Back End Stitch input
* @addr: Stitch input buffer address
*/
struct pisp_be_stitch_input_buffer_config {
/* low 32 bits followed by high 32 bits */
__u32 addr[2];
} __attribute__((packed));
#define PISP_BE_STITCH_STREAMING_LONG 0x8000
#define PISP_BE_STITCH_EXPOSURE_RATIO_MASK 0x7fff
/**
* struct pisp_be_stitch_config - PiSP Back End Stitch config
*
* Stitch block configuration
*
* @threshold_lo: Low threshold value
* @threshold_diff_power: Low and high threshold difference
* @pad: Padding bytes
* @exposure_ratio: Multiplier to convert long exposure pixels into
* short exposure pixels
* @motion_threshold_256: Motion threshold above which short exposure
* pixels are used
* @motion_threshold_recip: Reciprocal of motion_threshold_256 value
*/
struct pisp_be_stitch_config {
__u16 threshold_lo;
__u8 threshold_diff_power;
__u8 pad;
/* top bit indicates whether streaming input is the long exposure */
__u16 exposure_ratio;
__u8 motion_threshold_256;
__u8 motion_threshold_recip;
} __attribute__((packed));
/**
* struct pisp_be_stitch_output_buffer_config - PiSP Back End Stitch output
* @addr: Stitch input buffer address
*/
struct pisp_be_stitch_output_buffer_config {
/* low 32 bits followed by high 32 bits */
__u32 addr[2];
} __attribute__((packed));
/**
* struct pisp_be_cdn_config - PiSP Back End CDN config
*
* Colour Denoise configuration
*
* @thresh: Constant for noise estimation
* @iir_strength: Relative strength of the IIR part of the filter
* @g_adjust: Proportion of the change assigned to the G channel
*/
struct pisp_be_cdn_config {
__u16 thresh;
__u8 iir_strength;
__u8 g_adjust;
} __attribute__((packed));
#define PISP_BE_LSC_LOG_GRID_SIZE 5
#define PISP_BE_LSC_GRID_SIZE (1 << PISP_BE_LSC_LOG_GRID_SIZE)
#define PISP_BE_LSC_STEP_PRECISION 18
/**
* struct pisp_be_lsc_config - PiSP Back End LSC config
*
* Lens Shading Correction configuration
*
* @grid_step_x: Reciprocal of cell size width
* @grid_step_y: Reciprocal of cell size height
* @lut_packed: Jointly-coded RGB gains for each LSC grid
*/
struct pisp_be_lsc_config {
/* (1<<18) / grid_cell_width */
__u16 grid_step_x;
/* (1<<18) / grid_cell_height */
__u16 grid_step_y;
/* RGB gains jointly encoded in 32 bits */
#define PISP_BE_LSC_LUT_SIZE (PISP_BE_LSC_GRID_SIZE + 1)
__u32 lut_packed[PISP_BE_LSC_LUT_SIZE][PISP_BE_LSC_LUT_SIZE];
} __attribute__((packed));
/**
* struct pisp_be_lsc_extra - PiSP Back End LSC Extra config
* @offset_x: Horizontal offset into the LSC table of this tile
* @offset_y: Vertical offset into the LSC table of this tile
*/
struct pisp_be_lsc_extra {
__u16 offset_x;
__u16 offset_y;
} __attribute__((packed));
#define PISP_BE_CAC_LOG_GRID_SIZE 3
#define PISP_BE_CAC_GRID_SIZE (1 << PISP_BE_CAC_LOG_GRID_SIZE)
#define PISP_BE_CAC_STEP_PRECISION 20
/**
* struct pisp_be_cac_config - PiSP Back End CAC config
*
* Chromatic Aberration Correction config
*
* @grid_step_x: Reciprocal of cell size width
* @grid_step_y: Reciprocal of cell size height
* @lut: Pixel shift for the CAC grid
*/
struct pisp_be_cac_config {
/* (1<<20) / grid_cell_width */
__u16 grid_step_x;
/* (1<<20) / grid_cell_height */
__u16 grid_step_y;
/* [gridy][gridx][rb][xy] */
#define PISP_BE_CAC_LUT_SIZE (PISP_BE_CAC_GRID_SIZE + 1)
__s8 lut[PISP_BE_CAC_LUT_SIZE][PISP_BE_CAC_LUT_SIZE][2][2];
} __attribute__((packed));
/**
* struct pisp_be_cac_extra - PiSP Back End CAC extra config
* @offset_x: Horizontal offset into the CAC table of this tile
* @offset_y: Horizontal offset into the CAC table of this tile
*/
struct pisp_be_cac_extra {
__u16 offset_x;
__u16 offset_y;
} __attribute__((packed));
#define PISP_BE_DEBIN_NUM_COEFFS 4
/**
* struct pisp_be_debin_config - PiSP Back End Debin config
*
* Debinning configuration
*
* @coeffs: Filter coefficients for debinning
* @h_enable: Horizontal debinning enable
* @v_enable: Vertical debinning enable
* @pad: Padding bytes
*/
struct pisp_be_debin_config {
__s8 coeffs[PISP_BE_DEBIN_NUM_COEFFS];
__s8 h_enable;
__s8 v_enable;
__s8 pad[2];
} __attribute__((packed));
#define PISP_BE_TONEMAP_LUT_SIZE 64
/**
* struct pisp_be_tonemap_config - PiSP Back End Tonemap config
*
* Tonemapping configuration
*
* @detail_constant: Constant value for threshold calculation
* @detail_slope: Slope value for threshold calculation
* @iir_strength: Relative strength of the IIR fiter
* @strength: Strength factor
* @lut: Look-up table for tonemap curve
*/
struct pisp_be_tonemap_config {
__u16 detail_constant;
__u16 detail_slope;
__u16 iir_strength;
__u16 strength;
__u32 lut[PISP_BE_TONEMAP_LUT_SIZE];
} __attribute__((packed));
/**
* struct pisp_be_demosaic_config - PiSP Back End Demosaic config
*
* Demosaic configuration
*
* @sharper: Use other Bayer channels to increase sharpness
* @fc_mode: Built-in false colour suppression mode
* @pad: Padding bytes
*/
struct pisp_be_demosaic_config {
__u8 sharper;
__u8 fc_mode;
__u8 pad[2];
} __attribute__((packed));
/**
* struct pisp_be_ccm_config - PiSP Back End CCM config
*
* Colour Correction Matrix configuration
*
* @coeffs: Matrix coefficients
* @pad: Padding bytes
* @offsets: Offsets triplet
*/
struct pisp_be_ccm_config {
__s16 coeffs[9];
__u8 pad[2];
__s32 offsets[3];
} __attribute__((packed));
/**
* struct pisp_be_sat_control_config - PiSP Back End SAT config
*
* Saturation Control configuration
*
* @shift_r: Left shift for Red colour channel
* @shift_g: Left shift for Green colour channel
* @shift_b: Left shift for Blue colour channel
* @pad: Padding byte
*/
struct pisp_be_sat_control_config {
__u8 shift_r;
__u8 shift_g;
__u8 shift_b;
__u8 pad;
} __attribute__((packed));
/**
* struct pisp_be_false_colour_config - PiSP Back End False Colour config
*
* False Colour configuration
*
* @distance: Distance of neighbouring pixels, either 1 or 2
* @pad: Padding bytes
*/
struct pisp_be_false_colour_config {
__u8 distance;
__u8 pad[3];
} __attribute__((packed));
#define PISP_BE_SHARPEN_SIZE 5
#define PISP_BE_SHARPEN_FUNC_NUM_POINTS 9
/**
* struct pisp_be_sharpen_config - PiSP Back End Sharpening config
*
* Sharpening configuration
*
* @kernel0: Coefficient for filter 0
* @pad0: Padding byte
* @kernel1: Coefficient for filter 1
* @pad1: Padding byte
* @kernel2: Coefficient for filter 2
* @pad2: Padding byte
* @kernel3: Coefficient for filter 3
* @pad3: Padding byte
* @kernel4: Coefficient for filter 4
* @pad4: Padding byte
* @threshold_offset0: Offset for filter 0 response calculation
* @threshold_slope0: Slope multiplier for the filter 0 response calculation
* @scale0: Scale factor for filter 0 response calculation
* @pad5: Padding byte
* @threshold_offset1: Offset for filter 0 response calculation
* @threshold_slope1: Slope multiplier for the filter 0 response calculation
* @scale1: Scale factor for filter 0 response calculation
* @pad6: Padding byte
* @threshold_offset2: Offset for filter 0 response calculation
* @threshold_slope2: Slope multiplier for the filter 0 response calculation
* @scale2: Scale factor for filter 0 response calculation
* @pad7: Padding byte
* @threshold_offset3: Offset for filter 0 response calculation
* @threshold_slope3: Slope multiplier for the filter 0 response calculation
* @scale3: Scale factor for filter 0 response calculation
* @pad8: Padding byte
* @threshold_offset4: Offset for filter 0 response calculation
* @threshold_slope4: Slope multiplier for the filter 0 response calculation
* @scale4: Scale factor for filter 0 response calculation
* @pad9: Padding byte
* @positive_strength: Factor to scale the positive sharpening strength
* @positive_pre_limit: Maximum allowed possible positive sharpening value
* @positive_func: Gain factor applied to positive sharpening response
* @positive_limit: Final gain factor applied to positive sharpening
* @negative_strength: Factor to scale the negative sharpening strength
* @negative_pre_limit: Maximum allowed possible negative sharpening value
* @negative_func: Gain factor applied to negative sharpening response
* @negative_limit: Final gain factor applied to negative sharpening
* @enables: Filter enable mask
* @white: White output pixel filter mask
* @black: Black output pixel filter mask
* @grey: Grey output pixel filter mask
*/
struct pisp_be_sharpen_config {
__s8 kernel0[PISP_BE_SHARPEN_SIZE * PISP_BE_SHARPEN_SIZE];
__s8 pad0[3];
__s8 kernel1[PISP_BE_SHARPEN_SIZE * PISP_BE_SHARPEN_SIZE];
__s8 pad1[3];
__s8 kernel2[PISP_BE_SHARPEN_SIZE * PISP_BE_SHARPEN_SIZE];
__s8 pad2[3];
__s8 kernel3[PISP_BE_SHARPEN_SIZE * PISP_BE_SHARPEN_SIZE];
__s8 pad3[3];
__s8 kernel4[PISP_BE_SHARPEN_SIZE * PISP_BE_SHARPEN_SIZE];
__s8 pad4[3];
__u16 threshold_offset0;
__u16 threshold_slope0;
__u16 scale0;
__u16 pad5;
__u16 threshold_offset1;
__u16 threshold_slope1;
__u16 scale1;
__u16 pad6;
__u16 threshold_offset2;
__u16 threshold_slope2;
__u16 scale2;
__u16 pad7;
__u16 threshold_offset3;
__u16 threshold_slope3;
__u16 scale3;
__u16 pad8;
__u16 threshold_offset4;
__u16 threshold_slope4;
__u16 scale4;
__u16 pad9;
__u16 positive_strength;
__u16 positive_pre_limit;
__u16 positive_func[PISP_BE_SHARPEN_FUNC_NUM_POINTS];
__u16 positive_limit;
__u16 negative_strength;
__u16 negative_pre_limit;
__u16 negative_func[PISP_BE_SHARPEN_FUNC_NUM_POINTS];
__u16 negative_limit;
__u8 enables;
__u8 white;
__u8 black;
__u8 grey;
} __attribute__((packed));
/**
* struct pisp_be_sh_fc_combine_config - PiSP Back End Sharpening and
* False Colour config
*
* Sharpening and False Colour configuration
*
* @y_factor: Control amount of desaturation of pixels being darkened
* @c1_factor: Control amount of brightening of a pixel for the Cb
* channel
* @c2_factor: Control amount of brightening of a pixel for the Cr
* channel
* @pad: Padding byte
*/
struct pisp_be_sh_fc_combine_config {
__u8 y_factor;
__u8 c1_factor;
__u8 c2_factor;
__u8 pad;
} __attribute__((packed));
#define PISP_BE_GAMMA_LUT_SIZE 64
/**
* struct pisp_be_gamma_config - PiSP Back End Gamma configuration
* @lut: Gamma curve look-up table
*/
struct pisp_be_gamma_config {
__u32 lut[PISP_BE_GAMMA_LUT_SIZE];
} __attribute__((packed));
/**
* struct pisp_be_crop_config - PiSP Back End Crop config
*
* Crop configuration
*
* @offset_x: Number of pixels cropped from the left of the tile
* @offset_y: Number of pixels cropped from the top of the tile
* @width: Width of the cropped tile output
* @height: Height of the cropped tile output
*/
struct pisp_be_crop_config {
__u16 offset_x, offset_y;
__u16 width, height;
} __attribute__((packed));
#define PISP_BE_RESAMPLE_FILTER_SIZE 96
/**
* struct pisp_be_resample_config - PiSP Back End Resampling config
*
* Resample configuration
*
* @scale_factor_h: Horizontal scale factor
* @scale_factor_v: Vertical scale factor
* @coef: Resample coefficients
*/
struct pisp_be_resample_config {
__u16 scale_factor_h, scale_factor_v;
__s16 coef[PISP_BE_RESAMPLE_FILTER_SIZE];
} __attribute__((packed));
/**
* struct pisp_be_resample_extra - PiSP Back End Resample config
*
* Resample configuration
*
* @scaled_width: Width in pixels of the scaled output
* @scaled_height: Height in pixels of the scaled output
* @initial_phase_h: Initial horizontal phase
* @initial_phase_v: Initial vertical phase
*/
struct pisp_be_resample_extra {
__u16 scaled_width;
__u16 scaled_height;
__s16 initial_phase_h[3];
__s16 initial_phase_v[3];
} __attribute__((packed));
/**
* struct pisp_be_downscale_config - PiSP Back End Downscale config
*
* Downscale configuration
*
* @scale_factor_h: Horizontal scale factor
* @scale_factor_v: Vertical scale factor
* @scale_recip_h: Horizontal reciprocal factor
* @scale_recip_v: Vertical reciprocal factor
*/
struct pisp_be_downscale_config {
__u16 scale_factor_h;
__u16 scale_factor_v;
__u16 scale_recip_h;
__u16 scale_recip_v;
} __attribute__((packed));
/**
* struct pisp_be_downscale_extra - PiSP Back End Downscale Extra config
* @scaled_width: Scaled image width
* @scaled_height: Scaled image height
*/
struct pisp_be_downscale_extra {
__u16 scaled_width;
__u16 scaled_height;
} __attribute__((packed));
/**
* struct pisp_be_hog_config - PiSP Back End HOG config
*
* Histogram of Oriented Gradients configuration
*
* @compute_signed: Set 0 for unsigned gradients, 1 for signed
* @channel_mix: Channels proportions to use
* @stride: Stride in bytes between blocks directly below
*/
struct pisp_be_hog_config {
__u8 compute_signed;
__u8 channel_mix[3];
__u32 stride;
} __attribute__((packed));
struct pisp_be_axi_config {
__u8 r_qos; /* Read QoS */
__u8 r_cache_prot; /* Read { prot[2:0], cache[3:0] } */
__u8 w_qos; /* Write QoS */
__u8 w_cache_prot; /* Write { prot[2:0], cache[3:0] } */
} __attribute__((packed));
/**
* enum pisp_be_transform - PiSP Back End Transform flags
* @PISP_BE_TRANSFORM_NONE: No transform
* @PISP_BE_TRANSFORM_HFLIP: Horizontal flip
* @PISP_BE_TRANSFORM_VFLIP: Vertical flip
* @PISP_BE_TRANSFORM_ROT180: 180 degress rotation
*/
enum pisp_be_transform {
PISP_BE_TRANSFORM_NONE = 0x0,
PISP_BE_TRANSFORM_HFLIP = 0x1,
PISP_BE_TRANSFORM_VFLIP = 0x2,
PISP_BE_TRANSFORM_ROT180 =
(PISP_BE_TRANSFORM_HFLIP | PISP_BE_TRANSFORM_VFLIP)
};
struct pisp_be_output_format_config {
struct pisp_image_format_config image;
__u8 transform;
__u8 pad[3];
__u16 lo;
__u16 hi;
__u16 lo2;
__u16 hi2;
} __attribute__((packed));
/**
* struct pisp_be_output_buffer_config - PiSP Back End Output buffer
* @addr: Output buffer address
*/
struct pisp_be_output_buffer_config {
/* low 32 bits followed by high 32 bits (for each of 3 planes) */
__u32 addr[3][2];
} __attribute__((packed));
/**
* struct pisp_be_hog_buffer_config - PiSP Back End HOG buffer
* @addr: HOG buffer address
*/
struct pisp_be_hog_buffer_config {
/* low 32 bits followed by high 32 bits */
__u32 addr[2];
} __attribute__((packed));
/**
* struct pisp_be_config - RaspberryPi PiSP Back End Processing configuration
*
* @input_buffer: Input buffer addresses
* @tdn_input_buffer: TDN input buffer addresses
* @stitch_input_buffer: Stitch input buffer addresses
* @tdn_output_buffer: TDN output buffer addresses
* @stitch_output_buffer: Stitch output buffer addresses
* @output_buffer: Output buffers addresses
* @hog_buffer: HOG buffer addresses
* @global: Global PiSP configuration
* @input_format: Input image format
* @decompress: Decompress configuration
* @dpc: Defective Pixel Correction configuration
* @geq: Green Equalisation configuration
* @tdn_input_format: Temporal Denoise input format
* @tdn_decompress: Temporal Denoise decompress configuration
* @tdn: Temporal Denoise configuration
* @tdn_compress: Temporal Denoise compress configuration
* @tdn_output_format: Temporal Denoise output format
* @sdn: Spatial Denoise configuration
* @blc: Black Level Correction configuration
* @stitch_compress: Stitch compress configuration
* @stitch_output_format: Stitch output format
* @stitch_input_format: Stitch input format
* @stitch_decompress: Stitch decompress configuration
* @stitch: Stitch configuration
* @lsc: Lens Shading Correction configuration
* @wbg: White Balance Gain configuration
* @cdn: Colour Denoise configuration
* @cac: Colour Aberration Correction configuration
* @debin: Debinning configuration
* @tonemap: Tonemapping configuration
* @demosaic: Demosaicing configuration
* @ccm: Colour Correction Matrix configuration
* @sat_control: Saturation Control configuration
* @ycbcr: YCbCr colour correction configuration
* @sharpen: Sharpening configuration
* @false_colour: False colour correction
* @sh_fc_combine: Sharpening and False Colour correction
* @ycbcr_inverse: Inverse YCbCr colour correction
* @gamma: Gamma curve configuration
* @csc: Color Space Conversion configuration
* @downscale: Downscale configuration
* @resample: Resampling configuration
* @output_format: Output format configuration
* @hog: HOG configuration
* @axi: AXI bus configuration
* @lsc_extra: LSC extra info
* @cac_extra: CAC extra info
* @downscale_extra: Downscaler extra info
* @resample_extra: Resample extra info
* @crop: Crop configuration
* @hog_format: HOG format info
* @dirty_flags_bayer: Bayer enable dirty flags
* (:c:type:`pisp_be_bayer_enable`)
* @dirty_flags_rgb: RGB enable dirty flags
* (:c:type:`pisp_be_rgb_enable`)
* @dirty_flags_extra: Extra dirty flags
*/
struct pisp_be_config {
/* I/O configuration: */
struct pisp_be_input_buffer_config input_buffer;
struct pisp_be_tdn_input_buffer_config tdn_input_buffer;
struct pisp_be_stitch_input_buffer_config stitch_input_buffer;
struct pisp_be_tdn_output_buffer_config tdn_output_buffer;
struct pisp_be_stitch_output_buffer_config stitch_output_buffer;
struct pisp_be_output_buffer_config
output_buffer[PISP_BACK_END_NUM_OUTPUTS];
struct pisp_be_hog_buffer_config hog_buffer;
/* Processing configuration: */
struct pisp_be_global_config global;
struct pisp_image_format_config input_format;
struct pisp_decompress_config decompress;
struct pisp_be_dpc_config dpc;
struct pisp_be_geq_config geq;
struct pisp_image_format_config tdn_input_format;
struct pisp_decompress_config tdn_decompress;
struct pisp_be_tdn_config tdn;
struct pisp_compress_config tdn_compress;
struct pisp_image_format_config tdn_output_format;
struct pisp_be_sdn_config sdn;
struct pisp_bla_config blc;
struct pisp_compress_config stitch_compress;
struct pisp_image_format_config stitch_output_format;
struct pisp_image_format_config stitch_input_format;
struct pisp_decompress_config stitch_decompress;
struct pisp_be_stitch_config stitch;
struct pisp_be_lsc_config lsc;
struct pisp_wbg_config wbg;
struct pisp_be_cdn_config cdn;
struct pisp_be_cac_config cac;
struct pisp_be_debin_config debin;
struct pisp_be_tonemap_config tonemap;
struct pisp_be_demosaic_config demosaic;
struct pisp_be_ccm_config ccm;
struct pisp_be_sat_control_config sat_control;
struct pisp_be_ccm_config ycbcr;
struct pisp_be_sharpen_config sharpen;
struct pisp_be_false_colour_config false_colour;
struct pisp_be_sh_fc_combine_config sh_fc_combine;
struct pisp_be_ccm_config ycbcr_inverse;
struct pisp_be_gamma_config gamma;
struct pisp_be_ccm_config csc[PISP_BACK_END_NUM_OUTPUTS];
struct pisp_be_downscale_config downscale[PISP_BACK_END_NUM_OUTPUTS];
struct pisp_be_resample_config resample[PISP_BACK_END_NUM_OUTPUTS];
struct pisp_be_output_format_config
output_format[PISP_BACK_END_NUM_OUTPUTS];
struct pisp_be_hog_config hog;
struct pisp_be_axi_config axi;
/* Non-register fields: */
struct pisp_be_lsc_extra lsc_extra;
struct pisp_be_cac_extra cac_extra;
struct pisp_be_downscale_extra
downscale_extra[PISP_BACK_END_NUM_OUTPUTS];
struct pisp_be_resample_extra resample_extra[PISP_BACK_END_NUM_OUTPUTS];
struct pisp_be_crop_config crop;
struct pisp_image_format_config hog_format;
__u32 dirty_flags_bayer; /* these use pisp_be_bayer_enable */
__u32 dirty_flags_rgb; /* use pisp_be_rgb_enable */
__u32 dirty_flags_extra; /* these use pisp_be_dirty_t */
} __attribute__((packed));
/**
* enum pisp_tile_edge - PiSP Back End Tile position
* @PISP_LEFT_EDGE: Left edge tile
* @PISP_RIGHT_EDGE: Right edge tile
* @PISP_TOP_EDGE: Top edge tile
* @PISP_BOTTOM_EDGE: Bottom edge tile
*/
enum pisp_tile_edge {
PISP_LEFT_EDGE = (1 << 0),
PISP_RIGHT_EDGE = (1 << 1),
PISP_TOP_EDGE = (1 << 2),
PISP_BOTTOM_EDGE = (1 << 3)
};
/**
* struct pisp_tile - Raspberry Pi PiSP Back End tile configuration
*
* Tile parameters: each set of tile parameters is a 160-bytes block of data
* which contains the tile processing parameters.
*
* @edge: Edge tile flag
* @pad0: Padding bytes
* @input_addr_offset: Top-left pixel offset, in bytes
* @input_addr_offset2: Top-left pixel offset, in bytes for the second/
* third image planes
* @input_offset_x: Horizontal offset in pixels of this tile in the
* input image
* @input_offset_y: Vertical offset in pixels of this tile in the
* input image
* @input_width: Width in pixels of this tile
* @input_height: Height in pixels of the this tile
* @tdn_input_addr_offset: TDN input image offset, in bytes
* @tdn_output_addr_offset: TDN output image offset, in bytes
* @stitch_input_addr_offset: Stitch input image offset, in bytes
* @stitch_output_addr_offset: Stitch output image offset, in bytes
* @lsc_grid_offset_x: Horizontal offset in the LSC table for this tile
* @lsc_grid_offset_y: Vertical offset in the LSC table for this tile
* @cac_grid_offset_x: Horizontal offset in the CAC table for this tile
* @cac_grid_offset_y: Horizontal offset in the CAC table for this tile
* @crop_x_start: Number of pixels cropped from the left of the
* tile
* @crop_x_end: Number of pixels cropped from the right of the
* tile
* @crop_y_start: Number of pixels cropped from the top of the
* tile
* @crop_y_end: Number of pixels cropped from the bottom of the
* tile
* @downscale_phase_x: Initial horizontal phase in pixels
* @downscale_phase_y: Initial vertical phase in pixels
* @resample_in_width: Width in pixels of the tile entering the
* Resample block
* @resample_in_height: Height in pixels of the tile entering the
* Resample block
* @resample_phase_x: Initial horizontal phase for the Resample block
* @resample_phase_y: Initial vertical phase for the Resample block
* @output_offset_x: Horizontal offset in pixels where the tile will
* be written into the output image
* @output_offset_y: Vertical offset in pixels where the tile will be
* written into the output image
* @output_width: Width in pixels in the output image of this tile
* @output_height: Height in pixels in the output image of this tile
* @output_addr_offset: Offset in bytes into the output buffer
* @output_addr_offset2: Offset in bytes into the output buffer for the
* second and third plane
* @output_hog_addr_offset: Offset in bytes into the HOG buffer where
* results of this tile are to be written
*/
struct pisp_tile {
__u8 edge; /* enum pisp_tile_edge */
__u8 pad0[3];
/* 4 bytes */
__u32 input_addr_offset;
__u32 input_addr_offset2;
__u16 input_offset_x;
__u16 input_offset_y;
__u16 input_width;
__u16 input_height;
/* 20 bytes */
__u32 tdn_input_addr_offset;
__u32 tdn_output_addr_offset;
__u32 stitch_input_addr_offset;
__u32 stitch_output_addr_offset;
/* 36 bytes */
__u32 lsc_grid_offset_x;
__u32 lsc_grid_offset_y;
/* 44 bytes */
__u32 cac_grid_offset_x;
__u32 cac_grid_offset_y;
/* 52 bytes */
__u16 crop_x_start[PISP_BACK_END_NUM_OUTPUTS];
__u16 crop_x_end[PISP_BACK_END_NUM_OUTPUTS];
__u16 crop_y_start[PISP_BACK_END_NUM_OUTPUTS];
__u16 crop_y_end[PISP_BACK_END_NUM_OUTPUTS];
/* 68 bytes */
/* Ordering is planes then branches */
__u16 downscale_phase_x[3 * PISP_BACK_END_NUM_OUTPUTS];
__u16 downscale_phase_y[3 * PISP_BACK_END_NUM_OUTPUTS];
/* 92 bytes */
__u16 resample_in_width[PISP_BACK_END_NUM_OUTPUTS];
__u16 resample_in_height[PISP_BACK_END_NUM_OUTPUTS];
/* 100 bytes */
/* Ordering is planes then branches */
__u16 resample_phase_x[3 * PISP_BACK_END_NUM_OUTPUTS];
__u16 resample_phase_y[3 * PISP_BACK_END_NUM_OUTPUTS];
/* 124 bytes */
__u16 output_offset_x[PISP_BACK_END_NUM_OUTPUTS];
__u16 output_offset_y[PISP_BACK_END_NUM_OUTPUTS];
__u16 output_width[PISP_BACK_END_NUM_OUTPUTS];
__u16 output_height[PISP_BACK_END_NUM_OUTPUTS];
/* 140 bytes */
__u32 output_addr_offset[PISP_BACK_END_NUM_OUTPUTS];
__u32 output_addr_offset2[PISP_BACK_END_NUM_OUTPUTS];
/* 156 bytes */
__u32 output_hog_addr_offset;
/* 160 bytes */
} __attribute__((packed));
/**
* struct pisp_be_tiles_config - Raspberry Pi PiSP Back End configuration
* @tiles: Tile descriptors
* @num_tiles: Number of tiles
* @config: PiSP Back End configuration
*/
struct pisp_be_tiles_config {
struct pisp_be_config config;
struct pisp_tile tiles[PISP_BACK_END_NUM_TILES];
__u32 num_tiles;
} __attribute__((packed));
#endif /* _UAPI_PISP_BE_CONFIG_H_ */
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