drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/io_ls/bayer_io_ls/ia_css_bayer_io.host.c

   1 #ifndef ISP2401
   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_bayer_io.host.h"
  17 #include "dma.h"
  18 #include "math_support.h"
  19 #ifndef IA_CSS_NO_DEBUG
  20 #include "ia_css_debug.h"
  21 #endif
  22 #include "ia_css_isp_params.h"
  23 #include "ia_css_frame.h"
  24
  25 void
  26 ia_css_bayer_io_config(
  27         const struct ia_css_binary      *binary,
  28         const struct sh_css_binary_args *args)
  29 {
  30         const struct ia_css_frame *in_frame = args->in_frame;
  31         const struct ia_css_frame **out_frames = (const struct ia_css_frame **)& args->out_frame;
  32         const struct ia_css_frame_info *in_frame_info = (in_frame) ? &in_frame->info : &binary->in_frame_info;
  33
  34         const unsigned ddr_bits_per_element = sizeof(short) * 8;
  35         const unsigned ddr_elems_per_word = ceil_div(HIVE_ISP_DDR_WORD_BITS, ddr_bits_per_element);
  36         unsigned size_get = 0, size_put = 0;
  37         unsigned offset = 0;
  38
  39         if (binary->info->mem_offsets.offsets.param) {
  40                 size_get = binary->info->mem_offsets.offsets.param->dmem.get.size;
  41                 offset = binary->info->mem_offsets.offsets.param->dmem.get.offset;
  42         }
  43
  44         if (size_get) {
  45                 struct ia_css_common_io_config *to = (struct ia_css_common_io_config *)&binary->mem_params.params[IA_CSS_PARAM_CLASS_PARAM][IA_CSS_ISP_DMEM].address[offset];
  46                 struct dma_port_config config;
  47 #ifndef IA_CSS_NO_DEBUG
  48                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, "ia_css_bayer_io_config() get part enter:\n");
  49 #endif
  50
  51                 ia_css_dma_configure_from_info(&config, in_frame_info);
  52                 // The base_address of the input frame will be set in the ISP
  53                 to->width = in_frame_info->res.width;
  54                 to->height = in_frame_info->res.height;
  55                 to->stride = config.stride;
  56                 to->ddr_elems_per_word = ddr_elems_per_word;
  57 #ifndef IA_CSS_NO_DEBUG
  58                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, "ia_css_bayer_io_config() get part leave:\n");
  59 #endif
  60         }
  61
  62         if (binary->info->mem_offsets.offsets.param) {
  63                 size_put = binary->info->mem_offsets.offsets.param->dmem.put.size;
  64                 offset = binary->info->mem_offsets.offsets.param->dmem.put.offset;
  65         }
  66
  67         if (size_put) {
  68                 struct ia_css_common_io_config *to = (struct ia_css_common_io_config *)&binary->mem_params.params[IA_CSS_PARAM_CLASS_PARAM][IA_CSS_ISP_DMEM].address[offset];
  69                 struct dma_port_config config;
  70 #ifndef IA_CSS_NO_DEBUG
  71                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, "ia_css_bayer_io_config() put part enter:\n");
  72 #endif
  73
  74                 ia_css_dma_configure_from_info(&config, &out_frames[0]->info);
  75                 to->base_address = out_frames[0]->data;
  76                 to->width = out_frames[0]->info.res.width;
  77                 to->height = out_frames[0]->info.res.height;
  78                 to->stride = config.stride;
  79                 to->ddr_elems_per_word = ddr_elems_per_word;
  80
  81 #ifndef IA_CSS_NO_DEBUG
  82                 ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, "ia_css_bayer_io_config() put part leave:\n");
  83 #endif
  84         }
  85 }
  86 #endif