drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/crop/crop_1.0/ia_css_crop.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 #define IA_CSS_INCLUDE_CONFIGURATIONS
  20 #include "ia_css_isp_configs.h"
  21 #include "isp.h"
  22 #include "ia_css_crop.host.h"
  23
  24 static const struct ia_css_crop_configuration default_config = {
  25         .info = (struct ia_css_frame_info *)NULL,
  26 };
  27
  28 void
  29 ia_css_crop_encode(
  30         struct sh_css_isp_crop_isp_params *to,
  31         const struct ia_css_crop_config *from,
  32         unsigned size)
  33 {
  34         (void)size;
  35         to->crop_pos = from->crop_pos;
  36 }
  37
  38 void
  39 ia_css_crop_config(
  40         struct sh_css_isp_crop_isp_config *to,
  41         const struct ia_css_crop_configuration  *from,
  42         unsigned size)
  43 {
  44         unsigned elems_a = ISP_VEC_NELEMS;
  45
  46         (void)size;
  47         ia_css_dma_configure_from_info(&to->port_b, from->info);
  48         to->width_a_over_b = elems_a / to->port_b.elems;
  49
  50         /* Assume divisiblity here, may need to generalize to fixed point. */
  51         assert (elems_a % to->port_b.elems == 0);
  52 }
  53
  54 void
  55 ia_css_crop_configure(
  56         const struct ia_css_binary     *binary,
  57         const struct ia_css_frame_info *info)
  58 {
  59         struct ia_css_crop_configuration config = default_config;
  60
  61         config.info = info;
  62
  63         ia_css_configure_crop(binary, &config);
  64 }