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   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 #ifndef __IA_CSS_SDIS_COMMON_TYPES_H
  16 #define __IA_CSS_SDIS_COMMON_TYPES_H
  17
  18 /* @file
  19 * CSS-API header file for DVS statistics parameters.
  20 */
  21
  22 #include <type_support.h>
  23
  24 /* DVS statistics grid dimensions in number of cells.
  25  */
  26
  27 struct ia_css_dvs_grid_dim {
  28         u32 width;              /** Width of DVS grid table in cells */
  29         u32 height;     /** Height of DVS grid table in cells */
  30 };
  31
  32 /* DVS statistics dimensions in number of cells for
  33  * grid, coeffieicient and projection.
  34  */
  35
  36 struct ia_css_sdis_info {
  37         struct {
  38                 struct ia_css_dvs_grid_dim dim; /* Dimensions */
  39                 struct ia_css_dvs_grid_dim pad; /* Padded dimensions */
  40         } grid, coef, proj;
  41         u32 deci_factor_log2;
  42 };
  43
  44 /* DVS statistics grid
  45  *
  46  *  ISP block: SDVS1 (DIS/DVS Support for DIS/DVS ver.1 (2-axes))
  47  *             SDVS2 (DVS Support for DVS ver.2 (6-axes))
  48  *  ISP1: SDVS1 is used.
  49  *  ISP2: SDVS2 is used.
  50  */
  51 struct ia_css_dvs_grid_res {
  52         u32 width;              /** Width of DVS grid table.
  53                                         (= Horizontal number of grid cells
  54                                         in table, which cells have effective
  55                                         statistics.)
  56                                         For DVS1, this is equal to
  57                                          the number of vertical statistics. */
  58         u32 aligned_width; /** Stride of each grid line.
  59                                         (= Horizontal number of grid cells
  60                                         in table, which means
  61                                         the allocated width.) */
  62         u32 height;     /** Height of DVS grid table.
  63                                         (= Vertical number of grid cells
  64                                         in table, which cells have effective
  65                                         statistics.)
  66                                         For DVS1, This is equal to
  67                                         the number of horizontal statistics. */
  68         u32 aligned_height;/** Stride of each grid column.
  69                                         (= Vertical number of grid cells
  70                                         in table, which means
  71                                         the allocated height.) */
  72 };
  73
  74 /* TODO: use ia_css_dvs_grid_res in here.
  75  * However, that implies driver I/F changes
  76  */
  77 struct ia_css_dvs_grid_info {
  78         u32 enable;        /** DVS statistics enabled.
  79                                         0:disabled, 1:enabled */
  80         u32 width;              /** Width of DVS grid table.
  81                                         (= Horizontal number of grid cells
  82                                         in table, which cells have effective
  83                                         statistics.)
  84                                         For DVS1, this is equal to
  85                                          the number of vertical statistics. */
  86         u32 aligned_width; /** Stride of each grid line.
  87                                         (= Horizontal number of grid cells
  88                                         in table, which means
  89                                         the allocated width.) */
  90         u32 height;     /** Height of DVS grid table.
  91                                         (= Vertical number of grid cells
  92                                         in table, which cells have effective
  93                                         statistics.)
  94                                         For DVS1, This is equal to
  95                                         the number of horizontal statistics. */
  96         u32 aligned_height;/** Stride of each grid column.
  97                                         (= Vertical number of grid cells
  98                                         in table, which means
  99                                         the allocated height.) */
 100         u32 bqs_per_grid_cell; /** Grid cell size in BQ(Bayer Quad) unit.
 101                                         (1BQ means {Gr,R,B,Gb}(2x2 pixels).)
 102                                         For DVS1, valid value is 64.
 103                                         For DVS2, valid value is only 64,
 104                                         currently. */
 105         u32 num_hor_coefs;      /** Number of horizontal coefficients. */
 106         u32 num_ver_coefs;      /** Number of vertical coefficients. */
 107 };
 108
 109 /* Number of DVS statistics levels
 110  */
 111 #define IA_CSS_DVS_STAT_NUM_OF_LEVELS   3
 112
 113 /* DVS statistics generated by accelerator global configuration
 114  */
 115 struct dvs_stat_public_dvs_global_cfg {
 116         unsigned char kappa;
 117         /** DVS statistics global configuration - kappa */
 118         unsigned char match_shift;
 119         /** DVS statistics global configuration - match_shift */
 120         unsigned char ybin_mode;
 121         /** DVS statistics global configuration - y binning mode */
 122 };
 123
 124 /* DVS statistics generated by accelerator level grid
 125  *  configuration
 126  */
 127 struct dvs_stat_public_dvs_level_grid_cfg {
 128         unsigned char grid_width;
 129         /** DVS statistics grid width */
 130         unsigned char grid_height;
 131         /** DVS statistics grid height */
 132         unsigned char block_width;
 133         /** DVS statistics block width */
 134         unsigned char block_height;
 135         /** DVS statistics block  height */
 136 };
 137
 138 /* DVS statistics generated by accelerator level grid start
 139  *  configuration
 140  */
 141 struct dvs_stat_public_dvs_level_grid_start {
 142         unsigned short x_start;
 143         /** DVS statistics level x start */
 144         unsigned short y_start;
 145         /** DVS statistics level y start */
 146         unsigned char enable;
 147         /** DVS statistics level enable */
 148 };
 149
 150 /* DVS statistics generated by accelerator level grid end
 151  *  configuration
 152  */
 153 struct dvs_stat_public_dvs_level_grid_end {
 154         unsigned short x_end;
 155         /** DVS statistics level x end */
 156         unsigned short y_end;
 157         /** DVS statistics level y end */
 158 };
 159
 160 /* DVS statistics generated by accelerator Feature Extraction
 161  *  Region Of Interest (FE-ROI) configuration
 162  */
 163 struct dvs_stat_public_dvs_level_fe_roi_cfg {
 164         unsigned char x_start;
 165         /** DVS statistics fe-roi level x start */
 166         unsigned char y_start;
 167         /** DVS statistics fe-roi level y start */
 168         unsigned char x_end;
 169         /** DVS statistics fe-roi level x end */
 170         unsigned char y_end;
 171         /** DVS statistics fe-roi level y end */
 172 };
 173
 174 /* DVS statistics generated by accelerator public configuration
 175  */
 176 struct dvs_stat_public_dvs_grd_cfg {
 177         struct dvs_stat_public_dvs_level_grid_cfg    grd_cfg;
 178         /** DVS statistics level grid configuration */
 179         struct dvs_stat_public_dvs_level_grid_start  grd_start;
 180         /** DVS statistics level grid start configuration */
 181         struct dvs_stat_public_dvs_level_grid_end    grd_end;
 182         /** DVS statistics level grid end configuration */
 183 };
 184
 185 /* DVS statistics grid generated by accelerator
 186  */
 187 struct ia_css_dvs_stat_grid_info {
 188         struct dvs_stat_public_dvs_global_cfg       dvs_gbl_cfg;
 189         /** DVS statistics global configuration (kappa, match, binning) */
 190         struct dvs_stat_public_dvs_grd_cfg       grd_cfg[IA_CSS_DVS_STAT_NUM_OF_LEVELS];
 191         /** DVS statistics grid configuration (blocks and grids) */
 192         struct dvs_stat_public_dvs_level_fe_roi_cfg fe_roi_cfg[IA_CSS_DVS_STAT_NUM_OF_LEVELS];
 193         /** DVS statistics FE ROI (region of interest) configuration */
 194 };
 195
 196 /* DVS statistics generated by accelerator default grid info
 197  */
 198 #define DEFAULT_DVS_GRID_INFO \
 199 (union ia_css_dvs_grid_u) { \
 200         .dvs_stat_grid_info = (struct ia_css_dvs_stat_grid_info) { \
 201                 .fe_roi_cfg = { \
 202                         [1] = (struct dvs_stat_public_dvs_level_fe_roi_cfg) { \
 203                                 .x_start = 4 \
 204                         } \
 205                 } \
 206         } \
 207 }
 208
 209 /* Union that holds all types of DVS statistics grid info in
 210  *  CSS format
 211  * */
 212 union ia_css_dvs_grid_u {
 213         struct ia_css_dvs_stat_grid_info dvs_stat_grid_info;
 214         /** DVS statistics produced by accelerator grid info */
 215         struct ia_css_dvs_grid_info dvs_grid_info;
 216         /** DVS (DVS1/DVS2) grid info */
 217 };
 218
 219 #endif /* __IA_CSS_SDIS_COMMON_TYPES_H */