drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/iterator/iterator_1.0/ia_css_iterator.host.c

   1 /*
   2  * Support for Intel Camera Imaging ISP subsystem.
   3  * Copyright (c) 2015, Intel Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  */
  14
  15 #include "ia_css_iterator.host.h"
  16 #include "ia_css_frame_public.h"
  17 #include "ia_css_binary.h"
  18 #include "ia_css_err.h"
  19 #define IA_CSS_INCLUDE_CONFIGURATIONS
  20 #include "ia_css_isp_configs.h"
  21
  22 static const struct ia_css_iterator_configuration default_config = {
  23         .input_info = (struct ia_css_frame_info *)NULL,
  24 };
  25
  26 void
  27 ia_css_iterator_config(
  28         struct sh_css_isp_iterator_isp_config *to,
  29         const struct ia_css_iterator_configuration *from,
  30         unsigned size)
  31 {
  32         (void)size;
  33         ia_css_frame_info_to_frame_sp_info(&to->input_info,    from->input_info);
  34         ia_css_frame_info_to_frame_sp_info(&to->internal_info, from->internal_info);
  35         ia_css_frame_info_to_frame_sp_info(&to->output_info,   from->output_info);
  36         ia_css_frame_info_to_frame_sp_info(&to->vf_info,       from->vf_info);
  37         ia_css_resolution_to_sp_resolution(&to->dvs_envelope,  from->dvs_envelope);
  38 }
  39
  40 enum ia_css_err
  41 ia_css_iterator_configure(
  42         const struct ia_css_binary *binary,
  43         const struct ia_css_frame_info *in_info)
  44 {
  45         struct ia_css_frame_info my_info = IA_CSS_BINARY_DEFAULT_FRAME_INFO;
  46         struct ia_css_iterator_configuration config = default_config;
  47
  48         config.input_info    = &binary->in_frame_info;
  49         config.internal_info = &binary->internal_frame_info;
  50         config.output_info   = &binary->out_frame_info[0];
  51         config.vf_info       = &binary->vf_frame_info;
  52         config.dvs_envelope  = &binary->dvs_envelope;
  53
  54         /* Use in_info iso binary->in_frame_info.
  55          * They can differ in padded width in case of scaling, e.g. for capture_pp.
  56          * Find out why.
  57         */
  58         if (in_info)
  59                 config.input_info = in_info;
  60         if (binary->out_frame_info[0].res.width == 0)
  61                 config.output_info = &binary->out_frame_info[1];
  62         my_info = *config.output_info;
  63         config.output_info = &my_info;
  64         /* we do this only for preview pipe because in fill_binary_info function
  65          * we assign vf_out res to out res, but for ISP internal processing, we need
  66          * the original out res. for video pipe, it has two output pins --- out and
  67          * vf_out, so it can keep these two resolutions already. */
  68         if (binary->info->sp.pipeline.mode == IA_CSS_BINARY_MODE_PREVIEW &&
  69             binary->vf_downscale_log2 > 0) {
  70                 /* TODO: Remove this after preview output decimation is fixed
  71                  * by configuring out&vf info files properly */
  72                 my_info.padded_width <<= binary->vf_downscale_log2;
  73                 my_info.res.width    <<= binary->vf_downscale_log2;
  74                 my_info.res.height   <<= binary->vf_downscale_log2;
  75         }
  76
  77         ia_css_configure_iterator(binary, &config);
  78
  79         return IA_CSS_SUCCESS;
  80 }