drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/raw/raw_1.0/ia_css_raw.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 #include "isp/modes/interface/isp_types.h"
  24
  25 #include "ia_css_raw.host.h"
  26
  27
  28 static const struct ia_css_raw_configuration default_config = {
  29         .pipe = (struct sh_css_sp_pipeline *)NULL,
  30 };
  31
  32 static inline unsigned
  33 sh_css_elems_bytes_from_info (unsigned raw_bit_depth)
  34 {
  35         return CEIL_DIV(raw_bit_depth,8);
  36 }
  37
  38 /* MW: These areMIPI / ISYS properties, not camera function properties */
  39 static enum sh_stream_format
  40 css2isp_stream_format(enum ia_css_stream_format from)
  41 {
  42         switch (from) {
  43         case IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY:
  44                 return sh_stream_format_yuv420_legacy;
  45         case IA_CSS_STREAM_FORMAT_YUV420_8:
  46         case IA_CSS_STREAM_FORMAT_YUV420_10:
  47         case IA_CSS_STREAM_FORMAT_YUV420_16:
  48                 return sh_stream_format_yuv420;
  49         case IA_CSS_STREAM_FORMAT_YUV422_8:
  50         case IA_CSS_STREAM_FORMAT_YUV422_10:
  51         case IA_CSS_STREAM_FORMAT_YUV422_16:
  52                 return sh_stream_format_yuv422;
  53         case IA_CSS_STREAM_FORMAT_RGB_444:
  54         case IA_CSS_STREAM_FORMAT_RGB_555:
  55         case IA_CSS_STREAM_FORMAT_RGB_565:
  56         case IA_CSS_STREAM_FORMAT_RGB_666:
  57         case IA_CSS_STREAM_FORMAT_RGB_888:
  58                 return sh_stream_format_rgb;
  59         case IA_CSS_STREAM_FORMAT_RAW_6:
  60         case IA_CSS_STREAM_FORMAT_RAW_7:
  61         case IA_CSS_STREAM_FORMAT_RAW_8:
  62         case IA_CSS_STREAM_FORMAT_RAW_10:
  63         case IA_CSS_STREAM_FORMAT_RAW_12:
  64         case IA_CSS_STREAM_FORMAT_RAW_14:
  65         case IA_CSS_STREAM_FORMAT_RAW_16:
  66                 return sh_stream_format_raw;
  67         case IA_CSS_STREAM_FORMAT_BINARY_8:
  68         default:
  69                 return sh_stream_format_raw;
  70         }
  71 }
  72
  73 void
  74 ia_css_raw_config(
  75         struct sh_css_isp_raw_isp_config *to,
  76         const struct ia_css_raw_configuration  *from,
  77         unsigned size)
  78 {
  79         unsigned elems_a = ISP_VEC_NELEMS;
  80         const struct ia_css_frame_info *in_info = from->in_info;
  81         const struct ia_css_frame_info *internal_info = from->internal_info;
  82
  83         (void)size;
  84 #if !defined(USE_INPUT_SYSTEM_VERSION_2401)
  85         /* 2401 input system uses input width width */
  86         in_info = internal_info;
  87 #else
  88         /*in some cases, in_info is NULL*/
  89         if (in_info)
  90                 (void)internal_info;
  91         else
  92                 in_info = internal_info;
  93
  94 #endif
  95         ia_css_dma_configure_from_info(&to->port_b, in_info);
  96
  97         /* Assume divisiblity here, may need to generalize to fixed point. */
  98         assert((in_info->format == IA_CSS_FRAME_FORMAT_RAW_PACKED) ||
  99                    (elems_a % to->port_b.elems == 0));
 100
 101         to->width_a_over_b      = elems_a / to->port_b.elems;
 102         to->inout_port_config   = from->pipe->inout_port_config;
 103         to->format              = in_info->format;
 104         to->required_bds_factor = from->pipe->required_bds_factor;
 105         to->two_ppc             = from->two_ppc;
 106         to->stream_format       = css2isp_stream_format(from->stream_format);
 107         to->deinterleaved       = from->deinterleaved;
 108 #if (defined(USE_INPUT_SYSTEM_VERSION_2401) || defined(CONFIG_CSI2_PLUS))
 109         to->start_column        = in_info->crop_info.start_column;
 110         to->start_line          = in_info->crop_info.start_line;
 111         to->enable_left_padding = from->enable_left_padding;
 112 #endif
 113 }
 114
 115 void
 116 ia_css_raw_configure(
 117         const struct sh_css_sp_pipeline *pipe,
 118         const struct ia_css_binary      *binary,
 119         const struct ia_css_frame_info  *in_info,
 120         const struct ia_css_frame_info  *internal_info,
 121         bool two_ppc,
 122         bool deinterleaved)
 123 {
 124         uint8_t enable_left_padding = (uint8_t)((binary->left_padding) ? 1 : 0);
 125         struct ia_css_raw_configuration config = default_config;
 126
 127         config.pipe                = pipe;
 128         config.in_info             = in_info;
 129         config.internal_info       = internal_info;
 130         config.two_ppc             = two_ppc;
 131         config.stream_format       = binary->input_format;
 132         config.deinterleaved       = deinterleaved;
 133         config.enable_left_padding = enable_left_padding;
 134
 135         ia_css_configure_raw(binary, &config);
 136 }