drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/fpn/fpn_1.0/ia_css_fpn.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 <assert_support.h>
  16 #include <ia_css_frame_public.h>
  17 #include <ia_css_frame.h>
  18 #include <ia_css_binary.h>
  19 #include <ia_css_types.h>
  20 #include <sh_css_defs.h>
  21 #include <ia_css_debug.h>
  22
  23 #define IA_CSS_INCLUDE_CONFIGURATIONS
  24 #include "ia_css_isp_configs.h"
  25 #include "isp.h"
  26
  27 #include "ia_css_fpn.host.h"
  28
  29 void
  30 ia_css_fpn_encode(
  31         struct sh_css_isp_fpn_params *to,
  32         const struct ia_css_fpn_table *from,
  33         unsigned size)
  34 {
  35         (void)size;
  36         to->shift = from->shift;
  37         to->enabled = from->data != NULL;
  38 }
  39
  40 void
  41 ia_css_fpn_dump(
  42         const struct sh_css_isp_fpn_params *fpn,
  43         unsigned level)
  44 {
  45         if (!fpn) return;
  46         ia_css_debug_dtrace(level, "Fixed Pattern Noise Reduction:\n");
  47         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  48                         "fpn_shift", fpn->shift);
  49         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  50                         "fpn_enabled", fpn->enabled);
  51 }
  52
  53 void
  54 ia_css_fpn_config(
  55         struct sh_css_isp_fpn_isp_config *to,
  56         const struct ia_css_fpn_configuration *from,
  57         unsigned size)
  58 {
  59         unsigned elems_a = ISP_VEC_NELEMS;
  60
  61         (void)size;
  62         ia_css_dma_configure_from_info(&to->port_b, from->info);
  63         to->width_a_over_b = elems_a / to->port_b.elems;
  64
  65         /* Assume divisiblity here, may need to generalize to fixed point. */
  66         assert (elems_a % to->port_b.elems == 0);
  67 }
  68
  69 void
  70 ia_css_fpn_configure(
  71         const struct ia_css_binary     *binary,
  72         const struct ia_css_frame_info *info)
  73 {
  74         struct ia_css_frame_info my_info = IA_CSS_BINARY_DEFAULT_FRAME_INFO;
  75         const struct ia_css_fpn_configuration config = {
  76                 &my_info
  77         };
  78
  79         my_info.res.width       = CEIL_DIV(info->res.width, 2);         /* Packed by 2x */
  80         my_info.res.height      = info->res.height;
  81         my_info.padded_width    = CEIL_DIV(info->padded_width, 2);      /* Packed by 2x */
  82         my_info.format          = info->format;
  83         my_info.raw_bit_depth   = FPN_BITS_PER_PIXEL;
  84         my_info.raw_bayer_order = info->raw_bayer_order;
  85         my_info.crop_info       = info->crop_info;
  86
  87         ia_css_configure_fpn(binary, &config);
  88 }
  89