drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/qplane/qplane_2/ia_css_qplane.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_frame.h"
  16 #include "ia_css_types.h"
  17 #include "sh_css_defs.h"
  18 #include "ia_css_debug.h"
  19 #include "assert_support.h"
  20 #define IA_CSS_INCLUDE_CONFIGURATIONS
  21 #include "ia_css_isp_configs.h"
  22 #include "isp.h"
  23
  24 #include "ia_css_qplane.host.h"
  25
  26 static const struct ia_css_qplane_configuration default_config = {
  27         .pipe = (struct sh_css_sp_pipeline *)NULL,
  28 };
  29
  30 void
  31 ia_css_qplane_config(
  32         struct sh_css_isp_qplane_isp_config *to,
  33         const struct ia_css_qplane_configuration  *from,
  34         unsigned size)
  35 {
  36         unsigned elems_a = ISP_VEC_NELEMS;
  37
  38         (void)size;
  39         ia_css_dma_configure_from_info(&to->port_b, from->info);
  40         to->width_a_over_b = elems_a / to->port_b.elems;
  41
  42         /* Assume divisiblity here, may need to generalize to fixed point. */
  43         assert (elems_a % to->port_b.elems == 0);
  44
  45         to->inout_port_config = from->pipe->inout_port_config;
  46         to->format = from->info->format;
  47 }
  48
  49 void
  50 ia_css_qplane_configure(
  51         const struct sh_css_sp_pipeline *pipe,
  52         const struct ia_css_binary      *binary,
  53         const struct ia_css_frame_info  *info)
  54 {
  55         struct ia_css_qplane_configuration config = default_config;
  56
  57         config.pipe = pipe;
  58         config.info = info;
  59
  60         ia_css_configure_qplane(binary, &config);
  61 }