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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Support for Intel Camera Imaging ISP subsystem.
* Copyright (c) 2015, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*/
#ifndef _SH_CSS_DEFS_H_
#define _SH_CSS_DEFS_H_
#include "isp.h"
/*#include "vamem.h"*/ /* Cannot include for VAMEM properties this file is visible on ISP -> pipeline generator */
#include "math_support.h" /* max(), min, etc etc */
/* ID's for refcount */
#define IA_CSS_REFCOUNT_PARAM_SET_POOL 0xCAFE0001
#define IA_CSS_REFCOUNT_PARAM_BUFFER 0xCAFE0002
/* Digital Image Stabilization */
#define SH_CSS_DIS_DECI_FACTOR_LOG2 6
/* UV offset: 1:uv=-128...127, 0:uv=0...255 */
#define SH_CSS_UV_OFFSET_IS_0 0
/* Bits of bayer is adjusted as 13 in ISP */
#define SH_CSS_BAYER_BITS 13
/* Max value of bayer data (unsigned 13bit in ISP) */
#define SH_CSS_BAYER_MAXVAL ((1U << SH_CSS_BAYER_BITS) - 1)
/* Bits of yuv in ISP */
#define SH_CSS_ISP_YUV_BITS 8
#define SH_CSS_DP_GAIN_SHIFT 5
#define SH_CSS_BNR_GAIN_SHIFT 13
#define SH_CSS_YNR_GAIN_SHIFT 13
#define SH_CSS_AE_YCOEF_SHIFT 13
#define SH_CSS_AF_FIR_SHIFT 13
#define SH_CSS_YEE_DETAIL_GAIN_SHIFT 8 /* [u5.8] */
#define SH_CSS_YEE_SCALE_SHIFT 8
#define SH_CSS_TNR_COEF_SHIFT 13
#define SH_CSS_MACC_COEF_SHIFT 11 /* [s2.11] for ISP1 */
#define SH_CSS_MACC2_COEF_SHIFT 13 /* [s[exp].[13-exp]] for ISP2 */
#define SH_CSS_DIS_COEF_SHIFT 13
/* enumeration of the bayer downscale factors. When a binary supports multiple
* factors, the OR of these defines is used to build the mask of supported
* factors. The BDS factor is used in pre-processor expressions so we cannot
* use an enum here. */
#define SH_CSS_BDS_FACTOR_1_00 (0)
#define SH_CSS_BDS_FACTOR_1_25 (1)
#define SH_CSS_BDS_FACTOR_1_50 (2)
#define SH_CSS_BDS_FACTOR_2_00 (3)
#define SH_CSS_BDS_FACTOR_2_25 (4)
#define SH_CSS_BDS_FACTOR_2_50 (5)
#define SH_CSS_BDS_FACTOR_3_00 (6)
#define SH_CSS_BDS_FACTOR_4_00 (7)
#define SH_CSS_BDS_FACTOR_4_50 (8)
#define SH_CSS_BDS_FACTOR_5_00 (9)
#define SH_CSS_BDS_FACTOR_6_00 (10)
#define SH_CSS_BDS_FACTOR_8_00 (11)
#define NUM_BDS_FACTORS (12)
#define PACK_BDS_FACTOR(factor) (1 << (factor))
/* Following macros should match with the type enum ia_css_pipe_version in
* ia_css_pipe_public.h. The reason to add these macros is that enum type
* will be evaluted to 0 in preprocessing time. */
#define SH_CSS_ISP_PIPE_VERSION_1 1
#define SH_CSS_ISP_PIPE_VERSION_2_2 2
#define SH_CSS_ISP_PIPE_VERSION_2_6_1 3
#define SH_CSS_ISP_PIPE_VERSION_2_7 4
/*--------------- sRGB Gamma -----------------
CCM : YCgCo[0,8191] -> RGB[0,4095]
sRGB Gamma : RGB [0,4095] -> RGB[0,8191]
CSC : RGB [0,8191] -> YUV[0,8191]
CCM:
Y[0,8191],CgCo[-4096,4095],coef[-8192,8191] -> RGB[0,4095]
sRGB Gamma:
RGB[0,4095] -(interpolation step16)-> RGB[0,255] -(LUT 12bit)-> RGB[0,4095] -> RGB[0,8191]
CSC:
RGB[0,8191],coef[-8192,8191] -> RGB[0,8191]
--------------------------------------------*/
/* Bits of input/output of sRGB Gamma */
#define SH_CSS_RGB_GAMMA_INPUT_BITS 12 /* [0,4095] */
#define SH_CSS_RGB_GAMMA_OUTPUT_BITS 13 /* [0,8191] */
/* Bits of fractional part of interpolation in vamem, [0,4095]->[0,255] */
#define SH_CSS_RGB_GAMMA_FRAC_BITS \
(SH_CSS_RGB_GAMMA_INPUT_BITS - SH_CSS_ISP_RGB_GAMMA_TABLE_SIZE_LOG2)
#define SH_CSS_RGB_GAMMA_ONE BIT(SH_CSS_RGB_GAMMA_FRAC_BITS)
/* Bits of input of CCM, = 13, Y[0,8191],CgCo[-4096,4095] */
#define SH_CSS_YUV2RGB_CCM_INPUT_BITS SH_CSS_BAYER_BITS
/* Bits of output of CCM, = 12, RGB[0,4095] */
#define SH_CSS_YUV2RGB_CCM_OUTPUT_BITS SH_CSS_RGB_GAMMA_INPUT_BITS
/* Maximum value of output of CCM */
#define SH_CSS_YUV2RGB_CCM_MAX_OUTPUT \
((1 << SH_CSS_YUV2RGB_CCM_OUTPUT_BITS) - 1)
#define SH_CSS_NUM_INPUT_BUF_LINES 4
/* Left cropping only applicable for sufficiently large nway */
#if ISP_VEC_NELEMS == 16
#define SH_CSS_MAX_LEFT_CROPPING 0
#define SH_CSS_MAX_TOP_CROPPING 0
#else
#define SH_CSS_MAX_LEFT_CROPPING 12
#define SH_CSS_MAX_TOP_CROPPING 12
#endif
#define SH_CSS_SP_MAX_WIDTH 1280
/* This is the maximum grid we can handle in the ISP binaries.
* The host code makes sure no bigger grid is ever selected. */
#define SH_CSS_MAX_BQ_GRID_WIDTH 80
#define SH_CSS_MAX_BQ_GRID_HEIGHT 60
/* The minimum dvs envelope is 12x12(for IPU2) to make sure the
* invalid rows/columns that result from filter initialization are skipped. */
#define SH_CSS_MIN_DVS_ENVELOPE 12U
/* The FPGA system (vec_nelems == 16) only supports upto 5MP */
#if ISP_VEC_NELEMS == 16
#define SH_CSS_MAX_SENSOR_WIDTH 2560
#define SH_CSS_MAX_SENSOR_HEIGHT 1920
#else
#define SH_CSS_MAX_SENSOR_WIDTH 4608
#define SH_CSS_MAX_SENSOR_HEIGHT 3450
#endif
/* Limited to reduce vmem pressure */
#if ISP_VMEM_DEPTH >= 3072
#define SH_CSS_MAX_CONTINUOUS_SENSOR_WIDTH SH_CSS_MAX_SENSOR_WIDTH
#define SH_CSS_MAX_CONTINUOUS_SENSOR_HEIGHT SH_CSS_MAX_SENSOR_HEIGHT
#else
#define SH_CSS_MAX_CONTINUOUS_SENSOR_WIDTH 3264
#define SH_CSS_MAX_CONTINUOUS_SENSOR_HEIGHT 2448
#endif
/* When using bayer decimation */
/*
#define SH_CSS_MAX_CONTINUOUS_SENSOR_WIDTH_DEC 4224
#define SH_CSS_MAX_CONTINUOUS_SENSOR_HEIGHT_DEC 3168
*/
#define SH_CSS_MAX_CONTINUOUS_SENSOR_WIDTH_DEC SH_CSS_MAX_SENSOR_WIDTH
#define SH_CSS_MAX_CONTINUOUS_SENSOR_HEIGHT_DEC SH_CSS_MAX_SENSOR_HEIGHT
#define SH_CSS_MIN_SENSOR_WIDTH 2
#define SH_CSS_MIN_SENSOR_HEIGHT 2
/*
#define SH_CSS_MAX_VF_WIDTH_DEC 1920
#define SH_CSS_MAX_VF_HEIGHT_DEC 1080
*/
#define SH_CSS_MAX_VF_WIDTH_DEC SH_CSS_MAX_VF_WIDTH
#define SH_CSS_MAX_VF_HEIGHT_DEC SH_CSS_MAX_VF_HEIGHT
/* We use 16 bits per coordinate component, including integer
and fractional bits */
#define SH_CSS_MORPH_TABLE_GRID ISP_VEC_NELEMS
#define SH_CSS_MORPH_TABLE_ELEM_BYTES 2
#define SH_CSS_MORPH_TABLE_ELEMS_PER_DDR_WORD \
(HIVE_ISP_DDR_WORD_BYTES / SH_CSS_MORPH_TABLE_ELEM_BYTES)
#define ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR (SH_CSS_MAX_BQ_GRID_WIDTH + 1)
#define ISP2400_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR (SH_CSS_MAX_BQ_GRID_HEIGHT + 1)
#define ISP2400_SH_CSS_MAX_SCTBL_ALIGNED_WIDTH_PER_COLOR \
CEIL_MUL(ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR, ISP_VEC_NELEMS)
/* TODO: I will move macros of "*_SCTBL_*" to SC kernel.
"+ 2" should be "+ SH_CSS_SCTBL_CENTERING_MARGIN + SH_CSS_SCTBL_LAST_GRID_COUNT". (michie, Sep/23/2014) */
#define ISP2401_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR (SH_CSS_MAX_BQ_GRID_WIDTH + 2)
#define ISP2401_SH_CSS_MAX_SCTBL_HEIGHT_PER_COLOR (SH_CSS_MAX_BQ_GRID_HEIGHT + 2)
#define ISP2401_SH_CSS_MAX_SCTBL_ALIGNED_WIDTH_PER_COLOR \
CEIL_MUL(ISP2400_SH_CSS_MAX_SCTBL_WIDTH_PER_COLOR, ISP_VEC_NELEMS)
/* Each line of this table is aligned to the maximum line width. */
#define SH_CSS_MAX_S3ATBL_WIDTH SH_CSS_MAX_BQ_GRID_WIDTH
/* Video mode specific DVS define */
/* The video binary supports a delay of 1 or 2 frames */
#define VIDEO_FRAME_DELAY 2
/* +1 because DVS reads the previous and writes the current frame concurrently */
#define MAX_NUM_VIDEO_DELAY_FRAMES (VIDEO_FRAME_DELAY + 1)
/* Preview mode specific DVS define. */
/* In preview we only need GDC functionality (and not the DVS functionality) */
/* The minimum number of DVS frames you need is 2, one were GDC reads from and another where GDC writes into */
#define NUM_PREVIEW_DVS_FRAMES (2)
/* TNR is no longer exclusive to video, SkyCam preview has TNR too (same kernel as video).
* All uses the generic define NUM_TNR_FRAMES. The define NUM_VIDEO_TNR_FRAMES has been deprecated.
*
* Notes
* 1) The value depends on the used TNR kernel and is not something that depends on the mode
* and it is not something you just could choice.
* 2) For the luma only pipeline a version that supports two different sets of TNR reference frames
* is being used.
*.
*/
#define NUM_VALID_TNR_REF_FRAMES (1) /* At least one valid TNR reference frame is required */
#define NUM_TNR_FRAMES_PER_REF_BUF_SET (2)
/* In luma-only mode alternate illuminated frames are supported, that requires two double buffers */
#define NUM_TNR_REF_BUF_SETS (1)
#define NUM_TNR_FRAMES (NUM_TNR_FRAMES_PER_REF_BUF_SET * NUM_TNR_REF_BUF_SETS)
#define NUM_VIDEO_TNR_FRAMES 2
/* Note that this is the define used to configure all data structures common for all modes */
/* It should be equal or bigger to the max number of DVS frames for all possible modes */
/* Rules: these implement logic shared between the host code and ISP firmware.
The ISP firmware needs these rules to be applied at pre-processor time,
that's why these are macros, not functions. */
#define _ISP_BQS(num) ((num) / 2)
#define _ISP_VECS(width) CEIL_DIV(width, ISP_VEC_NELEMS)
#define ISP_BQ_GRID_WIDTH(elements_per_line, deci_factor_log2) \
CEIL_SHIFT(elements_per_line / 2, deci_factor_log2)
#define ISP_BQ_GRID_HEIGHT(lines_per_frame, deci_factor_log2) \
CEIL_SHIFT(lines_per_frame / 2, deci_factor_log2)
#define ISP_C_VECTORS_PER_LINE(elements_per_line) \
_ISP_VECS(elements_per_line / 2)
/* The morphing table is similar to the shading table in the sense that we
have 1 more value than we have cells in the grid. */
#define _ISP_MORPH_TABLE_WIDTH(int_width) \
(CEIL_DIV(int_width, SH_CSS_MORPH_TABLE_GRID) + 1)
#define _ISP_MORPH_TABLE_HEIGHT(int_height) \
(CEIL_DIV(int_height, SH_CSS_MORPH_TABLE_GRID) + 1)
#define _ISP_MORPH_TABLE_ALIGNED_WIDTH(width) \
CEIL_MUL(_ISP_MORPH_TABLE_WIDTH(width), \
SH_CSS_MORPH_TABLE_ELEMS_PER_DDR_WORD)
#define _ISP2400_SCTBL_WIDTH_PER_COLOR(input_width, deci_factor_log2) \
(ISP_BQ_GRID_WIDTH(input_width, deci_factor_log2) + 1)
#define _ISP2400_SCTBL_HEIGHT(input_height, deci_factor_log2) \
(ISP_BQ_GRID_HEIGHT(input_height, deci_factor_log2) + 1)
#define _ISP2400_SCTBL_ALIGNED_WIDTH_PER_COLOR(input_width, deci_factor_log2) \
CEIL_MUL(_ISP_SCTBL_WIDTH_PER_COLOR(input_width, deci_factor_log2), \
ISP_VEC_NELEMS)
/* To position the shading center grid point on the center of output image,
* one more grid cell is needed as margin. */
#define SH_CSS_SCTBL_CENTERING_MARGIN 1
/* The shading table width and height are the number of grids, not cells. The last grid should be counted. */
#define SH_CSS_SCTBL_LAST_GRID_COUNT 1
/* Number of horizontal grids per color in the shading table. */
#define _ISP2401_SCTBL_WIDTH_PER_COLOR(input_width, deci_factor_log2) \
(ISP_BQ_GRID_WIDTH(input_width, deci_factor_log2) + \
SH_CSS_SCTBL_CENTERING_MARGIN + SH_CSS_SCTBL_LAST_GRID_COUNT)
/* Number of vertical grids per color in the shading table. */
#define _ISP2401_SCTBL_HEIGHT(input_height, deci_factor_log2) \
(ISP_BQ_GRID_HEIGHT(input_height, deci_factor_log2) + \
SH_CSS_SCTBL_CENTERING_MARGIN + SH_CSS_SCTBL_LAST_GRID_COUNT)
/* ISP2401: Legacy API: Number of horizontal grids per color in the shading table. */
#define _ISP_SCTBL_LEGACY_WIDTH_PER_COLOR(input_width, deci_factor_log2) \
(ISP_BQ_GRID_WIDTH(input_width, deci_factor_log2) + SH_CSS_SCTBL_LAST_GRID_COUNT)
/* ISP2401: Legacy API: Number of vertical grids per color in the shading table. */
#define _ISP_SCTBL_LEGACY_HEIGHT(input_height, deci_factor_log2) \
(ISP_BQ_GRID_HEIGHT(input_height, deci_factor_log2) + SH_CSS_SCTBL_LAST_GRID_COUNT)
/* *****************************************************************
* Statistics for 3A (Auto Focus, Auto White Balance, Auto Exposure)
* *****************************************************************/
/* if left cropping is used, 3A statistics are also cropped by 2 vectors. */
#define _ISP_S3ATBL_WIDTH(in_width, deci_factor_log2) \
(_ISP_BQS(in_width) >> deci_factor_log2)
#define _ISP_S3ATBL_HEIGHT(in_height, deci_factor_log2) \
(_ISP_BQS(in_height) >> deci_factor_log2)
#define _ISP_S3A_ELEMS_ISP_WIDTH(width, left_crop) \
(width - ((left_crop) ? 2 * ISP_VEC_NELEMS : 0))
#define _ISP_S3ATBL_ISP_WIDTH(in_width, deci_factor_log2) \
CEIL_SHIFT(_ISP_BQS(in_width), deci_factor_log2)
#define _ISP_S3ATBL_ISP_HEIGHT(in_height, deci_factor_log2) \
CEIL_SHIFT(_ISP_BQS(in_height), deci_factor_log2)
#define ISP_S3ATBL_VECTORS \
_ISP_VECS(SH_CSS_MAX_S3ATBL_WIDTH * \
(sizeof(struct ia_css_3a_output) / sizeof(int32_t)))
#define ISP_S3ATBL_HI_LO_STRIDE \
(ISP_S3ATBL_VECTORS * ISP_VEC_NELEMS)
#define ISP_S3ATBL_HI_LO_STRIDE_BYTES \
(sizeof(unsigned short) * ISP_S3ATBL_HI_LO_STRIDE)
/* Viewfinder support */
#define __ISP_MAX_VF_OUTPUT_WIDTH(width, left_crop) \
(width - 2 * ISP_VEC_NELEMS + ((left_crop) ? 2 * ISP_VEC_NELEMS : 0))
#define __ISP_VF_OUTPUT_WIDTH_VECS(out_width, vf_log_downscale) \
(_ISP_VECS((out_width) >> (vf_log_downscale)))
#define _ISP_VF_OUTPUT_WIDTH(vf_out_vecs) ((vf_out_vecs) * ISP_VEC_NELEMS)
#define _ISP_VF_OUTPUT_HEIGHT(out_height, vf_log_ds) \
((out_height) >> (vf_log_ds))
#define _ISP_LOG_VECTOR_STEP(mode) \
((mode) == IA_CSS_BINARY_MODE_CAPTURE_PP ? 2 : 1)
/* It is preferred to have not more than 2x scaling at one step
* in GDC (assumption is for capture_pp and yuv_scale stages) */
#define MAX_PREFERRED_YUV_DS_PER_STEP 2
/* Rules for computing the internal width. This is extremely complicated
* and definitely needs to be commented and explained. */
#define _ISP_LEFT_CROP_EXTRA(left_crop) ((left_crop) > 0 ? 2 * ISP_VEC_NELEMS : 0)
#define __ISP_MIN_INTERNAL_WIDTH(num_chunks, pipelining, mode) \
((num_chunks) * (pipelining) * (1 << _ISP_LOG_VECTOR_STEP(mode)) * \
ISP_VEC_NELEMS)
#define __ISP_PADDED_OUTPUT_WIDTH(out_width, dvs_env_width, left_crop) \
((out_width) + MAX(dvs_env_width, _ISP_LEFT_CROP_EXTRA(left_crop)))
#define __ISP_CHUNK_STRIDE_ISP(mode) \
((1 << _ISP_LOG_VECTOR_STEP(mode)) * ISP_VEC_NELEMS)
#define __ISP_CHUNK_STRIDE_DDR(c_subsampling, num_chunks) \
((c_subsampling) * (num_chunks) * HIVE_ISP_DDR_WORD_BYTES)
#define __ISP_INTERNAL_WIDTH(out_width, \
dvs_env_width, \
left_crop, \
mode, \
c_subsampling, \
num_chunks, \
pipelining) \
CEIL_MUL2(CEIL_MUL2(MAX(__ISP_PADDED_OUTPUT_WIDTH(out_width, \
dvs_env_width, \
left_crop), \
__ISP_MIN_INTERNAL_WIDTH(num_chunks, \
pipelining, \
mode) \
), \
__ISP_CHUNK_STRIDE_ISP(mode) \
), \
__ISP_CHUNK_STRIDE_DDR(c_subsampling, num_chunks) \
)
#define __ISP_INTERNAL_HEIGHT(out_height, dvs_env_height, top_crop) \
((out_height) + (dvs_env_height) + top_crop)
/* @GC: Input can be up to sensor resolution when either bayer downscaling
* or raw binning is enabled.
* Also, during continuous mode, we need to align to 4*NWAY since input
* should support binning */
#define _ISP_MAX_INPUT_WIDTH(max_internal_width, enable_ds, enable_fixed_bayer_ds, enable_raw_bin, \
enable_continuous) \
((enable_ds) ? \
SH_CSS_MAX_SENSOR_WIDTH :\
(enable_fixed_bayer_ds) ? \
CEIL_MUL(SH_CSS_MAX_CONTINUOUS_SENSOR_WIDTH_DEC, 4 * ISP_VEC_NELEMS) : \
(enable_raw_bin) ? \
CEIL_MUL(SH_CSS_MAX_CONTINUOUS_SENSOR_WIDTH, 4 * ISP_VEC_NELEMS) : \
(enable_continuous) ? \
SH_CSS_MAX_CONTINUOUS_SENSOR_WIDTH \
: max_internal_width)
#define _ISP_INPUT_WIDTH(internal_width, ds_input_width, enable_ds) \
((enable_ds) ? (ds_input_width) : (internal_width))
#define _ISP_MAX_INPUT_HEIGHT(max_internal_height, enable_ds, enable_fixed_bayer_ds, enable_raw_bin, \
enable_continuous) \
((enable_ds) ? \
SH_CSS_MAX_SENSOR_HEIGHT :\
(enable_fixed_bayer_ds) ? \
SH_CSS_MAX_CONTINUOUS_SENSOR_HEIGHT_DEC : \
(enable_raw_bin || enable_continuous) ? \
SH_CSS_MAX_CONTINUOUS_SENSOR_HEIGHT \
: max_internal_height)
#define _ISP_INPUT_HEIGHT(internal_height, ds_input_height, enable_ds) \
((enable_ds) ? (ds_input_height) : (internal_height))
#define SH_CSS_MAX_STAGES 8 /* primary_stage[1-6], capture_pp, vf_pp */
/* For CSI2+ input system, it requires extra paddinga from vmem */
#ifdef CONFIG_CSI2_PLUS
#define _ISP_EXTRA_PADDING_VECS 2
#else
#define _ISP_EXTRA_PADDING_VECS 0
#endif /* CONFIG_CSI2_PLUS */
#endif /* _SH_CSS_DEFS_H_ */