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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 "isp.h"
#include "ia_css_ob.host.h"
const struct ia_css_ob_config default_ob_config = {
IA_CSS_OB_MODE_NONE,
0,
0,
0,
0,
0,
0
};
/* TODO: include ob.isp.h to get isp knowledge and
add assert on platform restrictions */
void
ia_css_ob_configure(
struct sh_css_isp_ob_stream_config *config,
unsigned int isp_pipe_version,
unsigned int raw_bit_depth)
{
config->isp_pipe_version = isp_pipe_version;
config->raw_bit_depth = raw_bit_depth;
}
void
ia_css_ob_encode(
struct sh_css_isp_ob_params *to,
const struct ia_css_ob_config *from,
const struct sh_css_isp_ob_stream_config *config,
unsigned int size)
{
unsigned int ob_bit_depth
= config->isp_pipe_version == 2 ? SH_CSS_BAYER_BITS : config->raw_bit_depth;
unsigned int scale = 16 - ob_bit_depth;
(void)size;
switch (from->mode) {
case IA_CSS_OB_MODE_FIXED:
to->blacklevel_gr = from->level_gr >> scale;
to->blacklevel_r = from->level_r >> scale;
to->blacklevel_b = from->level_b >> scale;
to->blacklevel_gb = from->level_gb >> scale;
to->area_start_bq = 0;
to->area_length_bq = 0;
to->area_length_bq_inverse = 0;
break;
case IA_CSS_OB_MODE_RASTER:
to->blacklevel_gr = 0;
to->blacklevel_r = 0;
to->blacklevel_b = 0;
to->blacklevel_gb = 0;
to->area_start_bq = from->start_position;
to->area_length_bq =
(from->end_position - from->start_position) + 1;
to->area_length_bq_inverse = AREA_LENGTH_UNIT / to->area_length_bq;
break;
default:
to->blacklevel_gr = 0;
to->blacklevel_r = 0;
to->blacklevel_b = 0;
to->blacklevel_gb = 0;
to->area_start_bq = 0;
to->area_length_bq = 0;
to->area_length_bq_inverse = 0;
break;
}
}
void
ia_css_ob_vmem_encode(
struct sh_css_isp_ob_vmem_params *to,
const struct ia_css_ob_config *from,
const struct sh_css_isp_ob_stream_config *config,
unsigned int size)
{
struct sh_css_isp_ob_params tmp;
struct sh_css_isp_ob_params *ob = &tmp;
(void)size;
ia_css_ob_encode(&tmp, from, config, sizeof(tmp));
{
unsigned int i;
unsigned int sp_obarea_start_bq = ob->area_start_bq;
unsigned int sp_obarea_length_bq = ob->area_length_bq;
unsigned int low = sp_obarea_start_bq;
unsigned int high = low + sp_obarea_length_bq;
u16 all_ones = ~0;
for (i = 0; i < OBAREA_MASK_SIZE; i++) {
if (i >= low && i < high)
to->vmask[i / ISP_VEC_NELEMS][i % ISP_VEC_NELEMS] = all_ones;
else
to->vmask[i / ISP_VEC_NELEMS][i % ISP_VEC_NELEMS] = 0;
}
}
}
void
ia_css_ob_dump(
const struct sh_css_isp_ob_params *ob,
unsigned int level)
{
if (!ob) return;
ia_css_debug_dtrace(level, "Optical Black:\n");
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ob_blacklevel_gr", ob->blacklevel_gr);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ob_blacklevel_r", ob->blacklevel_r);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ob_blacklevel_b", ob->blacklevel_b);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"ob_blacklevel_gb", ob->blacklevel_gb);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"obarea_start_bq", ob->area_start_bq);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"obarea_length_bq", ob->area_length_bq);
ia_css_debug_dtrace(level, "\t%-32s = %d\n",
"obarea_length_bq_inverse",
ob->area_length_bq_inverse);
}
void
ia_css_ob_debug_dtrace(
const struct ia_css_ob_config *config,
unsigned int level)
{
ia_css_debug_dtrace(level,
"config.mode=%d, config.level_gr=%d, config.level_r=%d, config.level_b=%d, config.level_gb=%d, config.start_position=%d, config.end_position=%d\n",
config->mode,
config->level_gr, config->level_r,
config->level_b, config->level_gb,
config->start_position, config->end_position);
}
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