LXR linux/drivers/staging/media/atomisp/pci/isp/kernels/tnr/tnr_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 "ia_css_frame.h"
  18#include "sh_css_defs.h"
  19#include "ia_css_debug.h"
  20#include "sh_css_frac.h"
  21#include "assert_support.h"
  22#define IA_CSS_INCLUDE_CONFIGURATIONS
  23#include "ia_css_isp_configs.h"
  24#include "isp.h"
  25
  26#include "ia_css_tnr.host.h"
  27const struct ia_css_tnr_config default_tnr_config = {
  28        32768,
  29        32,
  30        32,
  31};
  32
  33void
  34ia_css_tnr_encode(
  35    struct sh_css_isp_tnr_params *to,
  36    const struct ia_css_tnr_config *from,
  37    unsigned int size)
  38{
  39        (void)size;
  40        to->coef =
  41            uDIGIT_FITTING(from->gain, 16, SH_CSS_TNR_COEF_SHIFT);
  42        to->threshold_Y =
  43            uDIGIT_FITTING(from->threshold_y, 16, SH_CSS_ISP_YUV_BITS);
  44        to->threshold_C =
  45            uDIGIT_FITTING(from->threshold_uv, 16, SH_CSS_ISP_YUV_BITS);
  46}
  47
  48void
  49ia_css_tnr_dump(
  50    const struct sh_css_isp_tnr_params *tnr,
  51    unsigned int level)
  52{
  53        if (!tnr) return;
  54        ia_css_debug_dtrace(level, "Temporal Noise Reduction:\n");
  55        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  56                            "tnr_coef", tnr->coef);
  57        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  58                            "tnr_threshold_Y", tnr->threshold_Y);
  59        ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  60                            "tnr_threshold_C", tnr->threshold_C);
  61}
  62
  63void
  64ia_css_tnr_debug_dtrace(
  65    const struct ia_css_tnr_config *config,
  66    unsigned int level)
  67{
  68        ia_css_debug_dtrace(level,
  69                            "config.gain=%d, config.threshold_y=%d, config.threshold_uv=%d\n",
  70                            config->gain,
  71                            config->threshold_y, config->threshold_uv);
  72}
  73
  74void
  75ia_css_tnr_config(
  76    struct sh_css_isp_tnr_isp_config *to,
  77    const struct ia_css_tnr_configuration *from,
  78    unsigned int size)
  79{
  80        unsigned int elems_a = ISP_VEC_NELEMS;
  81        unsigned int i;
  82
  83        (void)size;
  84        ia_css_dma_configure_from_info(&to->port_b, &from->tnr_frames[0]->info);
  85        to->width_a_over_b = elems_a / to->port_b.elems;
  86        to->frame_height = from->tnr_frames[0]->info.res.height;
  87        for (i = 0; i < NUM_TNR_FRAMES; i++) {
  88                to->tnr_frame_addr[i] = from->tnr_frames[i]->data +
  89                                        from->tnr_frames[i]->planes.yuyv.offset;
  90        }
  91
  92        /* Assume divisiblity here, may need to generalize to fixed point. */
  93        assert(elems_a % to->port_b.elems == 0);
  94}
  95
  96void
  97ia_css_tnr_configure(
  98    const struct ia_css_binary     *binary,
  99    const struct ia_css_frame * const *frames)
 100{
 101        struct ia_css_tnr_configuration config;
 102        unsigned int i;
 103
 104        for (i = 0; i < NUM_TNR_FRAMES; i++)
 105                config.tnr_frames[i] = frames[i];
 106
 107        ia_css_configure_tnr(binary, &config);
 108}
 109
 110void
 111ia_css_init_tnr_state(
 112    struct sh_css_isp_tnr_dmem_state *state,
 113    size_t size)
 114{
 115        (void)size;
 116
 117        assert(NUM_TNR_FRAMES >= 2);
 118        assert(sizeof(*state) == size);
 119        state->tnr_in_buf_idx = 0;
 120        state->tnr_out_buf_idx = 1;
 121}
 122