| /* |
| * 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 "ia_css_bnr.host.h" |
| |
| void |
| ia_css_bnr_encode( |
| struct sh_css_isp_bnr_params *to, |
| const struct ia_css_nr_config *from, |
| unsigned int size) |
| { |
| (void)size; |
| /* BNR (Bayer Noise Reduction) */ |
| to->threshold_low = |
| uDIGIT_FITTING(from->direction, 16, SH_CSS_BAYER_BITS); |
| to->threshold_width_log2 = uFRACTION_BITS_FITTING(8); |
| to->threshold_width = |
| 1 << to->threshold_width_log2; |
| to->gain_all = |
| uDIGIT_FITTING(from->bnr_gain, 16, SH_CSS_BNR_GAIN_SHIFT); |
| to->gain_dir = |
| uDIGIT_FITTING(from->bnr_gain, 16, SH_CSS_BNR_GAIN_SHIFT); |
| to->clip = uDIGIT_FITTING(16384U, 16, SH_CSS_BAYER_BITS); |
| } |
| |
| void |
| ia_css_bnr_dump( |
| const struct sh_css_isp_bnr_params *bnr, |
| unsigned int level) |
| { |
| if (!bnr) return; |
| ia_css_debug_dtrace(level, "Bayer Noise Reduction:\n"); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "bnr_gain_all", bnr->gain_all); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "bnr_gain_dir", bnr->gain_dir); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "bnr_threshold_low", |
| bnr->threshold_low); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "bnr_threshold_width_log2", |
| bnr->threshold_width_log2); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "bnr_threshold_width", |
| bnr->threshold_width); |
| ia_css_debug_dtrace(level, "\t%-32s = %d\n", |
| "bnr_clip", bnr->clip); |
| } |