include/media/davinci/dm355_ccdc.h

   1 /*
   2  * Copyright (C) 2005-2009 Texas Instruments Inc
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18 #ifndef _DM355_CCDC_H
  19 #define _DM355_CCDC_H
  20 #include <media/davinci/ccdc_types.h>
  21 #include <media/davinci/vpfe_types.h>
  22
  23 /* enum for No of pixel per line to be avg. in Black Clamping */
  24 enum ccdc_sample_length {
  25         CCDC_SAMPLE_1PIXELS,
  26         CCDC_SAMPLE_2PIXELS,
  27         CCDC_SAMPLE_4PIXELS,
  28         CCDC_SAMPLE_8PIXELS,
  29         CCDC_SAMPLE_16PIXELS
  30 };
  31
  32 /* enum for No of lines in Black Clamping */
  33 enum ccdc_sample_line {
  34         CCDC_SAMPLE_1LINES,
  35         CCDC_SAMPLE_2LINES,
  36         CCDC_SAMPLE_4LINES,
  37         CCDC_SAMPLE_8LINES,
  38         CCDC_SAMPLE_16LINES
  39 };
  40
  41 /* enum for Alaw gama width */
  42 enum ccdc_gamma_width {
  43         CCDC_GAMMA_BITS_13_4,
  44         CCDC_GAMMA_BITS_12_3,
  45         CCDC_GAMMA_BITS_11_2,
  46         CCDC_GAMMA_BITS_10_1,
  47         CCDC_GAMMA_BITS_09_0
  48 };
  49
  50 enum ccdc_colpats {
  51         CCDC_RED,
  52         CCDC_GREEN_RED,
  53         CCDC_GREEN_BLUE,
  54         CCDC_BLUE
  55 };
  56
  57 struct ccdc_col_pat {
  58         enum ccdc_colpats olop;
  59         enum ccdc_colpats olep;
  60         enum ccdc_colpats elop;
  61         enum ccdc_colpats elep;
  62 };
  63
  64 enum ccdc_datasft {
  65         CCDC_DATA_NO_SHIFT,
  66         CCDC_DATA_SHIFT_1BIT,
  67         CCDC_DATA_SHIFT_2BIT,
  68         CCDC_DATA_SHIFT_3BIT,
  69         CCDC_DATA_SHIFT_4BIT,
  70         CCDC_DATA_SHIFT_5BIT,
  71         CCDC_DATA_SHIFT_6BIT
  72 };
  73
  74 enum ccdc_data_size {
  75         CCDC_DATA_16BITS,
  76         CCDC_DATA_15BITS,
  77         CCDC_DATA_14BITS,
  78         CCDC_DATA_13BITS,
  79         CCDC_DATA_12BITS,
  80         CCDC_DATA_11BITS,
  81         CCDC_DATA_10BITS,
  82         CCDC_DATA_8BITS
  83 };
  84 enum ccdc_mfilt1 {
  85         CCDC_NO_MEDIAN_FILTER1,
  86         CCDC_AVERAGE_FILTER1,
  87         CCDC_MEDIAN_FILTER1
  88 };
  89
  90 enum ccdc_mfilt2 {
  91         CCDC_NO_MEDIAN_FILTER2,
  92         CCDC_AVERAGE_FILTER2,
  93         CCDC_MEDIAN_FILTER2
  94 };
  95
  96 /* structure for ALaw */
  97 struct ccdc_a_law {
  98         /* Enable/disable A-Law */
  99         unsigned char enable;
 100         /* Gama Width Input */
 101         enum ccdc_gamma_width gama_wd;
 102 };
 103
 104 /* structure for Black Clamping */
 105 struct ccdc_black_clamp {
 106         /* only if bClampEnable is TRUE */
 107         unsigned char b_clamp_enable;
 108         /* only if bClampEnable is TRUE */
 109         enum ccdc_sample_length sample_pixel;
 110         /* only if bClampEnable is TRUE */
 111         enum ccdc_sample_line sample_ln;
 112         /* only if bClampEnable is TRUE */
 113         unsigned short start_pixel;
 114         /* only if bClampEnable is FALSE */
 115         unsigned short sgain;
 116         unsigned short dc_sub;
 117 };
 118
 119 /* structure for Black Level Compensation */
 120 struct ccdc_black_compensation {
 121         /* Constant value to subtract from Red component */
 122         unsigned char r;
 123         /* Constant value to subtract from Gr component */
 124         unsigned char gr;
 125         /* Constant value to subtract from Blue component */
 126         unsigned char b;
 127         /* Constant value to subtract from Gb component */
 128         unsigned char gb;
 129 };
 130
 131 struct ccdc_float {
 132         int integer;
 133         unsigned int decimal;
 134 };
 135
 136 #define CCDC_CSC_COEFF_TABLE_SIZE       16
 137 /* structure for color space converter */
 138 struct ccdc_csc {
 139         unsigned char enable;
 140         /*
 141          * S8Q5. Use 2 decimal precision, user values range from -3.00 to 3.99.
 142          * example - to use 1.03, set integer part as 1, and decimal part as 3
 143          * to use -1.03, set integer part as -1 and decimal part as 3
 144          */
 145         struct ccdc_float coeff[CCDC_CSC_COEFF_TABLE_SIZE];
 146 };
 147
 148 /* Structures for Vertical Defect Correction*/
 149 enum ccdc_vdf_csl {
 150         CCDC_VDF_NORMAL,
 151         CCDC_VDF_HORZ_INTERPOL_SAT,
 152         CCDC_VDF_HORZ_INTERPOL
 153 };
 154
 155 enum ccdc_vdf_cuda {
 156         CCDC_VDF_WHOLE_LINE_CORRECT,
 157         CCDC_VDF_UPPER_DISABLE
 158 };
 159
 160 enum ccdc_dfc_mwr {
 161         CCDC_DFC_MWR_WRITE_COMPLETE,
 162         CCDC_DFC_WRITE_REG
 163 };
 164
 165 enum ccdc_dfc_mrd {
 166         CCDC_DFC_READ_COMPLETE,
 167         CCDC_DFC_READ_REG
 168 };
 169
 170 enum ccdc_dfc_ma_rst {
 171         CCDC_DFC_INCR_ADDR,
 172         CCDC_DFC_CLR_ADDR
 173 };
 174
 175 enum ccdc_dfc_mclr {
 176         CCDC_DFC_CLEAR_COMPLETE,
 177         CCDC_DFC_CLEAR
 178 };
 179
 180 struct ccdc_dft_corr_ctl {
 181         enum ccdc_vdf_csl vdfcsl;
 182         enum ccdc_vdf_cuda vdfcuda;
 183         unsigned int vdflsft;
 184 };
 185
 186 struct ccdc_dft_corr_mem_ctl {
 187         enum ccdc_dfc_mwr dfcmwr;
 188         enum ccdc_dfc_mrd dfcmrd;
 189         enum ccdc_dfc_ma_rst dfcmarst;
 190         enum ccdc_dfc_mclr dfcmclr;
 191 };
 192
 193 #define CCDC_DFT_TABLE_SIZE     16
 194 /*
 195  * Main Structure for vertical defect correction. Vertical defect
 196  * correction can correct upto 16 defects if defects less than 16
 197  * then pad the rest with 0
 198  */
 199 struct ccdc_vertical_dft {
 200         unsigned char ver_dft_en;
 201         unsigned char gen_dft_en;
 202         unsigned int saturation_ctl;
 203         struct ccdc_dft_corr_ctl dft_corr_ctl;
 204         struct ccdc_dft_corr_mem_ctl dft_corr_mem_ctl;
 205         int table_size;
 206         unsigned int dft_corr_horz[CCDC_DFT_TABLE_SIZE];
 207         unsigned int dft_corr_vert[CCDC_DFT_TABLE_SIZE];
 208         unsigned int dft_corr_sub1[CCDC_DFT_TABLE_SIZE];
 209         unsigned int dft_corr_sub2[CCDC_DFT_TABLE_SIZE];
 210         unsigned int dft_corr_sub3[CCDC_DFT_TABLE_SIZE];
 211 };
 212
 213 struct ccdc_data_offset {
 214         unsigned char horz_offset;
 215         unsigned char vert_offset;
 216 };
 217
 218 /*
 219  * Structure for CCDC configuration parameters for raw capture mode passed
 220  * by application
 221  */
 222 struct ccdc_config_params_raw {
 223         /* data shift to be applied before storing */
 224         enum ccdc_datasft datasft;
 225         /* data size value from 8 to 16 bits */
 226         enum ccdc_data_size data_sz;
 227         /* median filter for sdram */
 228         enum ccdc_mfilt1 mfilt1;
 229         enum ccdc_mfilt2 mfilt2;
 230         /* low pass filter enable/disable */
 231         unsigned char lpf_enable;
 232         /* Threshold of median filter */
 233         int med_filt_thres;
 234         /*
 235          * horz and vertical data offset. Appliable for defect correction
 236          * and lsc
 237          */
 238         struct ccdc_data_offset data_offset;
 239         /* Structure for Optional A-Law */
 240         struct ccdc_a_law alaw;
 241         /* Structure for Optical Black Clamp */
 242         struct ccdc_black_clamp blk_clamp;
 243         /* Structure for Black Compensation */
 244         struct ccdc_black_compensation blk_comp;
 245         /* struture for vertical Defect Correction Module Configuration */
 246         struct ccdc_vertical_dft vertical_dft;
 247         /* structure for color space converter Module Configuration */
 248         struct ccdc_csc csc;
 249         /* color patters for bayer capture */
 250         struct ccdc_col_pat col_pat_field0;
 251         struct ccdc_col_pat col_pat_field1;
 252 };
 253
 254 #ifdef __KERNEL__
 255 #include <linux/io.h>
 256
 257 #define CCDC_WIN_PAL    {0, 0, 720, 576}
 258 #define CCDC_WIN_VGA    {0, 0, 640, 480}
 259
 260 struct ccdc_params_ycbcr {
 261         /* pixel format */
 262         enum ccdc_pixfmt pix_fmt;
 263         /* progressive or interlaced frame */
 264         enum ccdc_frmfmt frm_fmt;
 265         /* video window */
 266         struct v4l2_rect win;
 267         /* field id polarity */
 268         enum vpfe_pin_pol fid_pol;
 269         /* vertical sync polarity */
 270         enum vpfe_pin_pol vd_pol;
 271         /* horizontal sync polarity */
 272         enum vpfe_pin_pol hd_pol;
 273         /* enable BT.656 embedded sync mode */
 274         int bt656_enable;
 275         /* cb:y:cr:y or y:cb:y:cr in memory */
 276         enum ccdc_pixorder pix_order;
 277         /* interleaved or separated fields  */
 278         enum ccdc_buftype buf_type;
 279 };
 280
 281 /* Gain applied to Raw Bayer data */
 282 struct ccdc_gain {
 283         unsigned short r_ye;
 284         unsigned short gr_cy;
 285         unsigned short gb_g;
 286         unsigned short b_mg;
 287 };
 288
 289 /* Structure for CCDC configuration parameters for raw capture mode */
 290 struct ccdc_params_raw {
 291         /* pixel format */
 292         enum ccdc_pixfmt pix_fmt;
 293         /* progressive or interlaced frame */
 294         enum ccdc_frmfmt frm_fmt;
 295         /* video window */
 296         struct v4l2_rect win;
 297         /* field id polarity */
 298         enum vpfe_pin_pol fid_pol;
 299         /* vertical sync polarity */
 300         enum vpfe_pin_pol vd_pol;
 301         /* horizontal sync polarity */
 302         enum vpfe_pin_pol hd_pol;
 303         /* interleaved or separated fields */
 304         enum ccdc_buftype buf_type;
 305         /* Gain values */
 306         struct ccdc_gain gain;
 307         /* offset */
 308         unsigned int ccdc_offset;
 309         /* horizontal flip enable */
 310         unsigned char horz_flip_enable;
 311         /*
 312          * enable to store the image in inverse order in memory
 313          * (bottom to top)
 314          */
 315         unsigned char image_invert_enable;
 316         /* Configurable part of raw data */
 317         struct ccdc_config_params_raw config_params;
 318 };
 319
 320 #endif
 321 #endif                          /* DM355_CCDC_H */