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/*
* 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.
*/
#include "ia_css_types.h"
#include "sh_css_defs.h"
#include "ia_css_debug.h"
#include "sh_css_frac.h"
#include "bnr/bnr_1.0/ia_css_bnr.host.h"
#include "ia_css_ynr.host.h"
const struct ia_css_nr_config default_nr_config = {
16384,
8192,
1280,
0,
0
};
const struct ia_css_ee_config default_ee_config = {
8192,
128,
2048
};
void
ia_css_nr_encode(
struct sh_css_isp_ynr_params *to,
const struct ia_css_nr_config *from,
unsigned int size)
{
(void)size;
/* YNR (Y Noise Reduction) */
to->threshold =
uDIGIT_FITTING(8192U, 16, SH_CSS_BAYER_BITS);
to->gain_all =
uDIGIT_FITTING(from->ynr_gain, 16, SH_CSS_YNR_GAIN_SHIFT);
to->gain_dir =
uDIGIT_FITTING(from->ynr_gain, 16, SH_CSS_YNR_GAIN_SHIFT);
to->threshold_cb =
uDIGIT_FITTING(from->threshold_cb, 16, SH_CSS_BAYER_BITS);
to->threshold_cr =
uDIGIT_FITTING(from->threshold_cr, 16, SH_CSS_BAYER_BITS);
}
void
ia_css_yee_encode(
struct sh_css_isp_yee_params *to,
const struct ia_css_yee_config *from,
unsigned int size)
{
int asiWk1 = (int)from->ee.gain;
int asiWk2 = asiWk1 / 8;
int asiWk3 = asiWk1 / 4;
(void)size;
/* YEE (Y Edge Enhancement) */
to->dirthreshold_s =
min((uDIGIT_FITTING(from->nr.direction, 16, SH_CSS_BAYER_BITS)
<< 1),
SH_CSS_BAYER_MAXVAL);
to->dirthreshold_g =
min((uDIGIT_FITTING(from->nr.direction, 16, SH_CSS_BAYER_BITS)
<< 4),
SH_CSS_BAYER_MAXVAL);
to->dirthreshold_width_log2 =
uFRACTION_BITS_FITTING(8);
to->dirthreshold_width =
1 << to->dirthreshold_width_log2;
to->detailgain =
uDIGIT_FITTING(from->ee.detail_gain, 11,
SH_CSS_YEE_DETAIL_GAIN_SHIFT);
to->coring_s =
(uDIGIT_FITTING(56U, 16, SH_CSS_BAYER_BITS) *
from->ee.threshold) >> 8;
to->coring_g =
(uDIGIT_FITTING(224U, 16, SH_CSS_BAYER_BITS) *
from->ee.threshold) >> 8;
/* 8; // *1.125 ->[s4.8] */
to->scale_plus_s =
(asiWk1 + asiWk2) >> (11 - SH_CSS_YEE_SCALE_SHIFT);
/* 8; // ( * -.25)->[s4.8] */
to->scale_plus_g =
(0 - asiWk3) >> (11 - SH_CSS_YEE_SCALE_SHIFT);
/* 8; // *0.875 ->[s4.8] */
to->scale_minus_s =
(asiWk1 - asiWk2) >> (11 - SH_CSS_YEE_SCALE_SHIFT);
/* 8; // ( *.25 ) ->[s4.8] */
to->scale_minus_g =
(asiWk3) >> (11 - SH_CSS_YEE_SCALE_SHIFT);
to->clip_plus_s =
uDIGIT_FITTING(32760U, 16, SH_CSS_BAYER_BITS);
to->clip_plus_g = 0;
to->clip_minus_s =
uDIGIT_FITTING(504U, 16, SH_CSS_BAYER_BITS);
to->clip_minus_g =
uDIGIT_FITTING(32256U, 16, SH_CSS_BAYER_BITS);
to->Yclip = SH_CSS_BAYER_MAXVAL;
}
void
ia_css_nr_dump(
const struct sh_css_isp_ynr_params *ynr,
unsigned int level)
{
if (!ynr) return;
ia_css_debug_dtrace(level,
"Y Noise Reduction:\n");
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynr_threshold", ynr->threshold);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynr_gain_all", ynr->gain_all);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynr_gain_dir", ynr->gain_dir);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynr_threshold_cb", ynr->threshold_cb);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynr_threshold_cr", ynr->threshold_cr);
}
void
ia_css_yee_dump(
const struct sh_css_isp_yee_params *yee,
unsigned int level)
{
ia_css_debug_dtrace(level,
"Y Edge Enhancement:\n");
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynryee_dirthreshold_s",
yee->dirthreshold_s);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynryee_dirthreshold_g",
yee->dirthreshold_g);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynryee_dirthreshold_width_log2",
yee->dirthreshold_width_log2);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynryee_dirthreshold_width",
yee->dirthreshold_width);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_detailgain",
yee->detailgain);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_coring_s",
yee->coring_s);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_coring_g",
yee->coring_g);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_scale_plus_s",
yee->scale_plus_s);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_scale_plus_g",
yee->scale_plus_g);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_scale_minus_s",
yee->scale_minus_s);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_scale_minus_g",
yee->scale_minus_g);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_clip_plus_s",
yee->clip_plus_s);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_clip_plus_g",
yee->clip_plus_g);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_clip_minus_s",
yee->clip_minus_s);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"yee_clip_minus_g",
yee->clip_minus_g);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ynryee_Yclip",
yee->Yclip);
}
void
ia_css_nr_debug_dtrace(
const struct ia_css_nr_config *config,
unsigned int level)
{
ia_css_debug_dtrace(level,
"config.direction=%d, config.bnr_gain=%d, config.ynr_gain=%d, config.threshold_cb=%d, config.threshold_cr=%d\n",
config->direction,
config->bnr_gain, config->ynr_gain,
config->threshold_cb, config->threshold_cr);
}
void
ia_css_ee_debug_dtrace(
const struct ia_css_ee_config *config,
unsigned int level)
{
ia_css_debug_dtrace(level,
"config.threshold=%d, config.gain=%d, config.detail_gain=%d\n",
config->threshold, config->gain, config->detail_gain);
}
void
ia_css_init_ynr_state(
void/*struct sh_css_isp_ynr_vmem_state*/ * state,
size_t size)
{
memset(state, 0, size);
}
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