// SPDX-License-Identifier: GPL-2.0
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/*
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* Support for Intel Camera Imaging ISP subsystem.
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* Copyright (c) 2015, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include "hmm.h"
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#include <assert_support.h>
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#include "ia_css_debug.h"
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#include "ia_css_sdis2.host.h"
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const struct ia_css_dvs2_coefficients default_sdis2_config = {
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.grid = { 0, 0, 0, 0, 0, 0, 0, 0 },
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.hor_coefs = { NULL, NULL, NULL, NULL },
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.ver_coefs = { NULL, NULL, NULL, NULL },
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};
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static void
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fill_row(short *private, const short *public, unsigned int width,
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unsigned int padding)
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{
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memcpy(private, public, width * sizeof(short));
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memset(&private[width], 0, padding * sizeof(short));
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}
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void ia_css_sdis2_horicoef_vmem_encode(
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struct sh_css_isp_sdis_hori_coef_tbl *to,
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const struct ia_css_dvs2_coefficients *from,
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unsigned int size)
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{
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unsigned int aligned_width = from->grid.aligned_width *
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from->grid.bqs_per_grid_cell;
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unsigned int width = from->grid.num_hor_coefs;
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int padding = aligned_width - width;
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unsigned int stride = size / IA_CSS_DVS2_NUM_COEF_TYPES / sizeof(short);
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unsigned int total_bytes = aligned_width * IA_CSS_DVS2_NUM_COEF_TYPES *
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sizeof(short);
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short *private = (short *)to;
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/* Copy the table, add padding */
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assert(padding >= 0);
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assert(total_bytes <= size);
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assert(size % (IA_CSS_DVS2_NUM_COEF_TYPES * ISP_VEC_NELEMS * sizeof(
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short)) == 0);
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fill_row(&private[0 * stride], from->hor_coefs.odd_real, width, padding);
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fill_row(&private[1 * stride], from->hor_coefs.odd_imag, width, padding);
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fill_row(&private[2 * stride], from->hor_coefs.even_real, width, padding);
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fill_row(&private[3 * stride], from->hor_coefs.even_imag, width, padding);
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}
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void ia_css_sdis2_vertcoef_vmem_encode(
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struct sh_css_isp_sdis_vert_coef_tbl *to,
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const struct ia_css_dvs2_coefficients *from,
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unsigned int size)
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{
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unsigned int aligned_height = from->grid.aligned_height *
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from->grid.bqs_per_grid_cell;
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unsigned int height = from->grid.num_ver_coefs;
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int padding = aligned_height - height;
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unsigned int stride = size / IA_CSS_DVS2_NUM_COEF_TYPES / sizeof(short);
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unsigned int total_bytes = aligned_height * IA_CSS_DVS2_NUM_COEF_TYPES *
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sizeof(short);
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short *private = (short *)to;
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/* Copy the table, add padding */
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assert(padding >= 0);
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assert(total_bytes <= size);
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assert(size % (IA_CSS_DVS2_NUM_COEF_TYPES * ISP_VEC_NELEMS * sizeof(
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short)) == 0);
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fill_row(&private[0 * stride], from->ver_coefs.odd_real, height, padding);
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fill_row(&private[1 * stride], from->ver_coefs.odd_imag, height, padding);
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fill_row(&private[2 * stride], from->ver_coefs.even_real, height, padding);
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fill_row(&private[3 * stride], from->ver_coefs.even_imag, height, padding);
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}
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void ia_css_sdis2_horiproj_encode(
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struct sh_css_isp_sdis_hori_proj_tbl *to,
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const struct ia_css_dvs2_coefficients *from,
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unsigned int size)
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{
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(void)to;
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(void)from;
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(void)size;
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}
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void ia_css_sdis2_vertproj_encode(
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struct sh_css_isp_sdis_vert_proj_tbl *to,
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const struct ia_css_dvs2_coefficients *from,
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unsigned int size)
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{
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(void)to;
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(void)from;
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(void)size;
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}
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void ia_css_get_isp_dvs2_coefficients(
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struct ia_css_stream *stream,
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short *hor_coefs_odd_real,
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short *hor_coefs_odd_imag,
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short *hor_coefs_even_real,
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short *hor_coefs_even_imag,
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short *ver_coefs_odd_real,
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short *ver_coefs_odd_imag,
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short *ver_coefs_even_real,
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short *ver_coefs_even_imag)
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{
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struct ia_css_isp_parameters *params;
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unsigned int hor_num_3a, ver_num_3a;
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struct ia_css_binary *dvs_binary;
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IA_CSS_ENTER("void");
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assert(stream);
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assert(hor_coefs_odd_real);
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assert(hor_coefs_odd_imag);
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assert(hor_coefs_even_real);
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assert(hor_coefs_even_imag);
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assert(ver_coefs_odd_real);
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assert(ver_coefs_odd_imag);
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assert(ver_coefs_even_real);
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assert(ver_coefs_even_imag);
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params = stream->isp_params_configs;
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/* Only video pipe supports DVS */
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dvs_binary = ia_css_stream_get_dvs_binary(stream);
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if (!dvs_binary)
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return;
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hor_num_3a = dvs_binary->dis.coef.dim.width;
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ver_num_3a = dvs_binary->dis.coef.dim.height;
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memcpy(hor_coefs_odd_real, params->dvs2_coefs.hor_coefs.odd_real,
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hor_num_3a * sizeof(short));
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memcpy(hor_coefs_odd_imag, params->dvs2_coefs.hor_coefs.odd_imag,
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hor_num_3a * sizeof(short));
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memcpy(hor_coefs_even_real, params->dvs2_coefs.hor_coefs.even_real,
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hor_num_3a * sizeof(short));
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memcpy(hor_coefs_even_imag, params->dvs2_coefs.hor_coefs.even_imag,
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hor_num_3a * sizeof(short));
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memcpy(ver_coefs_odd_real, params->dvs2_coefs.ver_coefs.odd_real,
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ver_num_3a * sizeof(short));
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memcpy(ver_coefs_odd_imag, params->dvs2_coefs.ver_coefs.odd_imag,
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ver_num_3a * sizeof(short));
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memcpy(ver_coefs_even_real, params->dvs2_coefs.ver_coefs.even_real,
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ver_num_3a * sizeof(short));
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memcpy(ver_coefs_even_imag, params->dvs2_coefs.ver_coefs.even_imag,
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ver_num_3a * sizeof(short));
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IA_CSS_LEAVE("void");
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}
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void ia_css_sdis2_clear_coefficients(
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struct ia_css_dvs2_coefficients *dvs2_coefs)
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{
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dvs2_coefs->hor_coefs.odd_real = NULL;
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dvs2_coefs->hor_coefs.odd_imag = NULL;
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dvs2_coefs->hor_coefs.even_real = NULL;
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dvs2_coefs->hor_coefs.even_imag = NULL;
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dvs2_coefs->ver_coefs.odd_real = NULL;
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dvs2_coefs->ver_coefs.odd_imag = NULL;
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dvs2_coefs->ver_coefs.even_real = NULL;
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dvs2_coefs->ver_coefs.even_imag = NULL;
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}
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int
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ia_css_get_dvs2_statistics(
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struct ia_css_dvs2_statistics *host_stats,
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const struct ia_css_isp_dvs_statistics *isp_stats) {
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struct ia_css_isp_dvs_statistics_map *map;
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int ret = 0;
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IA_CSS_ENTER("host_stats=%p, isp_stats=%p", host_stats, isp_stats);
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assert(host_stats);
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assert(isp_stats);
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map = ia_css_isp_dvs_statistics_map_allocate(isp_stats, NULL);
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if (map)
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{
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hmm_load(isp_stats->data_ptr, map->data_ptr, isp_stats->size);
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ia_css_translate_dvs2_statistics(host_stats, map);
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ia_css_isp_dvs_statistics_map_free(map);
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} else
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{
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IA_CSS_ERROR("out of memory");
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ret = -ENOMEM;
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}
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IA_CSS_LEAVE_ERR(ret);
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return ret;
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}
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void
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ia_css_translate_dvs2_statistics(
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struct ia_css_dvs2_statistics *host_stats,
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const struct ia_css_isp_dvs_statistics_map *isp_stats)
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{
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unsigned int size_bytes, table_width, table_size, height;
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unsigned int src_offset = 0, dst_offset = 0;
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s32 *htemp_ptr, *vtemp_ptr;
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assert(host_stats);
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assert(host_stats->hor_prod.odd_real);
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assert(host_stats->hor_prod.odd_imag);
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assert(host_stats->hor_prod.even_real);
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assert(host_stats->hor_prod.even_imag);
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assert(host_stats->ver_prod.odd_real);
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assert(host_stats->ver_prod.odd_imag);
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assert(host_stats->ver_prod.even_real);
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assert(host_stats->ver_prod.even_imag);
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assert(isp_stats);
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assert(isp_stats->hor_proj);
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assert(isp_stats->ver_proj);
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IA_CSS_ENTER("hor_coefs.odd_real=%p, hor_coefs.odd_imag=%p, hor_coefs.even_real=%p, hor_coefs.even_imag=%p, ver_coefs.odd_real=%p, ver_coefs.odd_imag=%p, ver_coefs.even_real=%p, ver_coefs.even_imag=%p, haddr=%p, vaddr=%p",
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host_stats->hor_prod.odd_real, host_stats->hor_prod.odd_imag,
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host_stats->hor_prod.even_real, host_stats->hor_prod.even_imag,
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host_stats->ver_prod.odd_real, host_stats->ver_prod.odd_imag,
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host_stats->ver_prod.even_real, host_stats->ver_prod.even_imag,
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isp_stats->hor_proj, isp_stats->ver_proj);
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/* Host side: reflecting the true width in bytes */
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size_bytes = host_stats->grid.aligned_width * sizeof(*htemp_ptr);
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/* DDR side: need to be aligned to the system bus width */
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/* statistics table width in terms of 32-bit words*/
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table_width = CEIL_MUL(size_bytes,
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HIVE_ISP_DDR_WORD_BYTES) / sizeof(*htemp_ptr);
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table_size = table_width * host_stats->grid.aligned_height;
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htemp_ptr = isp_stats->hor_proj; /* horizontal stats */
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vtemp_ptr = isp_stats->ver_proj; /* vertical stats */
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for (height = 0; height < host_stats->grid.aligned_height; height++) {
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/* hor stats */
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memcpy(host_stats->hor_prod.odd_real + dst_offset,
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&htemp_ptr[0 * table_size + src_offset], size_bytes);
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memcpy(host_stats->hor_prod.odd_imag + dst_offset,
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&htemp_ptr[1 * table_size + src_offset], size_bytes);
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memcpy(host_stats->hor_prod.even_real + dst_offset,
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&htemp_ptr[2 * table_size + src_offset], size_bytes);
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memcpy(host_stats->hor_prod.even_imag + dst_offset,
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&htemp_ptr[3 * table_size + src_offset], size_bytes);
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/* ver stats */
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memcpy(host_stats->ver_prod.odd_real + dst_offset,
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&vtemp_ptr[0 * table_size + src_offset], size_bytes);
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memcpy(host_stats->ver_prod.odd_imag + dst_offset,
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&vtemp_ptr[1 * table_size + src_offset], size_bytes);
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memcpy(host_stats->ver_prod.even_real + dst_offset,
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&vtemp_ptr[2 * table_size + src_offset], size_bytes);
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memcpy(host_stats->ver_prod.even_imag + dst_offset,
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&vtemp_ptr[3 * table_size + src_offset], size_bytes);
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src_offset += table_width; /* aligned table width */
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dst_offset += host_stats->grid.aligned_width;
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}
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IA_CSS_LEAVE("void");
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}
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struct ia_css_isp_dvs_statistics *
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ia_css_isp_dvs2_statistics_allocate(
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const struct ia_css_dvs_grid_info *grid)
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{
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struct ia_css_isp_dvs_statistics *me;
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int size;
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assert(grid);
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IA_CSS_ENTER("grid=%p", grid);
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if (!grid->enable)
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return NULL;
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me = kvcalloc(1, sizeof(*me), GFP_KERNEL);
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if (!me)
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goto err;
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/* on ISP 2 SDIS DMA model, every row of projection table width must be
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aligned to HIVE_ISP_DDR_WORD_BYTES
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*/
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size = CEIL_MUL(sizeof(int) * grid->aligned_width, HIVE_ISP_DDR_WORD_BYTES)
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* grid->aligned_height * IA_CSS_DVS2_NUM_COEF_TYPES;
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me->size = 2 * size;
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me->data_ptr = hmm_alloc(me->size, HMM_BO_PRIVATE, 0, NULL, 0);
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if (me->data_ptr == mmgr_NULL)
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goto err;
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me->hor_proj = me->data_ptr;
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me->hor_size = size;
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me->ver_proj = me->data_ptr + size;
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me->ver_size = size;
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IA_CSS_LEAVE("return=%p", me);
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return me;
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err:
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ia_css_isp_dvs2_statistics_free(me);
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IA_CSS_LEAVE("return=%p", NULL);
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return NULL;
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}
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void
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ia_css_isp_dvs2_statistics_free(struct ia_css_isp_dvs_statistics *me)
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{
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if (me) {
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hmm_free(me->data_ptr);
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kvfree(me);
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}
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}
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void ia_css_sdis2_horicoef_debug_dtrace(
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const struct ia_css_dvs2_coefficients *config, unsigned int level)
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{
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(void)config;
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(void)level;
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}
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void ia_css_sdis2_vertcoef_debug_dtrace(
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const struct ia_css_dvs2_coefficients *config, unsigned int level)
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{
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(void)config;
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(void)level;
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}
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void ia_css_sdis2_horiproj_debug_dtrace(
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const struct ia_css_dvs2_coefficients *config, unsigned int level)
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{
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(void)config;
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(void)level;
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}
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void ia_css_sdis2_vertproj_debug_dtrace(
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const struct ia_css_dvs2_coefficients *config, unsigned int level)
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{
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(void)config;
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(void)level;
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}
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