linux/drivers/staging/media/atomisp/pci/isp/kernels/qplane/qplane_2/ia_css_qplane.host.c
<<
>>
Prefs
   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_frame.h"
  17#include "ia_css_types.h"
  18#include "sh_css_defs.h"
  19#include "ia_css_debug.h"
  20#include "assert_support.h"
  21#define IA_CSS_INCLUDE_CONFIGURATIONS
  22#include "ia_css_isp_configs.h"
  23#include "isp.h"
  24
  25#include "ia_css_qplane.host.h"
  26
  27static const struct ia_css_qplane_configuration default_config = {
  28        .pipe = (struct sh_css_sp_pipeline *)NULL,
  29};
  30
  31void
  32ia_css_qplane_config(
  33    struct sh_css_isp_qplane_isp_config *to,
  34    const struct ia_css_qplane_configuration  *from,
  35    unsigned int size)
  36{
  37        unsigned int elems_a = ISP_VEC_NELEMS;
  38
  39        (void)size;
  40        ia_css_dma_configure_from_info(&to->port_b, from->info);
  41        to->width_a_over_b = elems_a / to->port_b.elems;
  42
  43        /* Assume divisiblity here, may need to generalize to fixed point. */
  44        assert(elems_a % to->port_b.elems == 0);
  45
  46        to->inout_port_config = from->pipe->inout_port_config;
  47        to->format = from->info->format;
  48}
  49
  50void
  51ia_css_qplane_configure(
  52    const struct sh_css_sp_pipeline *pipe,
  53    const struct ia_css_binary      *binary,
  54    const struct ia_css_frame_info  *info)
  55{
  56        struct ia_css_qplane_configuration config = default_config;
  57
  58        config.pipe = pipe;
  59        config.info = info;
  60
  61        ia_css_configure_qplane(binary, &config);
  62}
  63