LXR linux/drivers/staging/media/atomisp/pci/isp/kernels/dp/dp_1.0/ia_css

   1// SPDX-License-Identifier: GPL-2.0
   2/*
   3 * Support for Intel Camera Imaging ISP subsystem.
   4 * Copyright (c) 2015, Intel Corporation.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms and conditions of the GNU General Public License,
   8 * version 2, as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope it will be useful, but WITHOUT
  11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 * more details.
  14 */
  15
  16#include "ia_css_types.h"
  17#include "sh_css_defs.h"
  18#include "ia_css_debug.h"
  19#include "sh_css_frac.h"
  20
  21#include "ia_css_dp.host.h"
  22
  23/* We use a different set of DPC configuration parameters when
  24 * DPC is used before OBC and NORM. Currently these parameters
  25 * are used in usecases which selects both BDS and DPC.
  26 **/
  27const struct ia_css_dp_config default_dp_10bpp_config = {
  28        1024,
  29        2048,
  30        32768,
  31        32768,
  32        32768,
  33        32768
  34};
  35
  36const struct ia_css_dp_config default_dp_config = {
  37        8192,
  38        2048,
  39        32768,
  40        32768,
  41        32768,
  42        32768
  43};
  44
  45void
  46ia_css_dp_encode(
  47    struct sh_css_isp_dp_params *to,
  48    const struct ia_css_dp_config *from,
  49    unsigned int size)
  50{
  51        int gain = from->gain;
  52        int gr   = from->gr;
  53        int r    = from->r;
  54        int b    = from->b;
  55        int gb   = from->gb;
  56
  57        (void)size;
  58        to->threshold_single =
  59            SH_CSS_BAYER_MAXVAL;
  60        to->threshold_2adjacent =
  61            uDIGIT_FITTING(from->threshold, 16, SH_CSS_BAYER_BITS);
  62        to->gain =
  63            uDIGIT_FITTING(from->gain, 8, SH_CSS_DP_GAIN_SHIFT);
  64
  65        to->coef_rr_gr =
  66            uDIGIT_FITTING(gain * gr / r, 8, SH_CSS_DP_GAIN_SHIFT);
  67        to->coef_rr_gb =
  68            uDIGIT_FITTING(gain * gb / r, 8, SH_CSS_DP_GAIN_SHIFT);
  69        to->coef_bb_gb =
  70            uDIGIT_FITTING(gain * gb / b, 8, SH_CSS_DP_GAIN_SHIFT);
  71        to->coef_bb_gr =
  72            uDIGIT_FITTING(gain * gr / b, 8, SH_CSS_DP_GAIN_SHIFT);
  73        to->coef_gr_rr =
  74            uDIGIT_FITTING(gain * r / gr, 8, SH_CSS_DP_GAIN_SHIFT);
  75        to->coef_gr_bb =
  76            uDIGIT_FITTING(gain * b / gr, 8, SH_CSS_DP_GAIN_SHIFT);
  77        to->coef_gb_bb =
  78            uDIGIT_FITTING(gain * b / gb, 8, SH_CSS_DP_GAIN_SHIFT);
  79        to->coef_gb_rr =
  80            uDIGIT_FITTING(gain * r / gb, 8, SH_CSS_DP_GAIN_SHIFT);
  81}
  82
  83void
  84ia_css_dp_dump(
  85    const struct sh_css_isp_dp_params *dp,
  86    unsigned int level)
  87{
  88        if (!dp) return;
  89        ia_css_debug_dtrace(level, "Defect Pixel Correction:\n");
  90        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  91                            "dp_threshold_single_w_2adj_on",
  92                            dp->threshold_single);
  93        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  94                            "dp_threshold_2adj_w_2adj_on",
  95                            dp->threshold_2adjacent);
  96        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  97                            "dp_gain", dp->gain);
  98        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  99                            "dpc_coef_rr_gr", dp->coef_rr_gr);
 100        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 101                            "dpc_coef_rr_gb", dp->coef_rr_gb);
 102        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 103                            "dpc_coef_bb_gb", dp->coef_bb_gb);
 104        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 105                            "dpc_coef_bb_gr", dp->coef_bb_gr);
 106        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 107                            "dpc_coef_gr_rr", dp->coef_gr_rr);
 108        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 109                            "dpc_coef_gr_bb", dp->coef_gr_bb);
 110        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 111                            "dpc_coef_gb_bb", dp->coef_gb_bb);
 112        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 113                            "dpc_coef_gb_rr", dp->coef_gb_rr);
 114}
 115
 116void
 117ia_css_dp_debug_dtrace(
 118    const struct ia_css_dp_config *config,
 119    unsigned int level)
 120{
 121        ia_css_debug_dtrace(level,
 122                            "config.threshold=%d, config.gain=%d\n",
 123                            config->threshold, config->gain);
 124}
 125
 126void
 127ia_css_init_dp_state(
 128    void/*struct sh_css_isp_dp_vmem_state*/ * state,
 129    size_t size)
 130{
 131        memset(state, 0, size);
 132}
 133