include/media/davinci/dm644x_ccdc.h

   1 /*
   2  * Copyright (C) 2006-2009 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 _DM644X_CCDC_H
  19 #define _DM644X_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_gama_width {
  43         CCDC_GAMMA_BITS_15_6,
  44         CCDC_GAMMA_BITS_14_5,
  45         CCDC_GAMMA_BITS_13_4,
  46         CCDC_GAMMA_BITS_12_3,
  47         CCDC_GAMMA_BITS_11_2,
  48         CCDC_GAMMA_BITS_10_1,
  49         CCDC_GAMMA_BITS_09_0
  50 };
  51
  52 enum ccdc_data_size {
  53         CCDC_DATA_16BITS,
  54         CCDC_DATA_15BITS,
  55         CCDC_DATA_14BITS,
  56         CCDC_DATA_13BITS,
  57         CCDC_DATA_12BITS,
  58         CCDC_DATA_11BITS,
  59         CCDC_DATA_10BITS,
  60         CCDC_DATA_8BITS
  61 };
  62
  63 /* structure for ALaw */
  64 struct ccdc_a_law {
  65         /* Enable/disable A-Law */
  66         unsigned char enable;
  67         /* Gama Width Input */
  68         enum ccdc_gama_width gama_wd;
  69 };
  70
  71 /* structure for Black Clamping */
  72 struct ccdc_black_clamp {
  73         unsigned char enable;
  74         /* only if bClampEnable is TRUE */
  75         enum ccdc_sample_length sample_pixel;
  76         /* only if bClampEnable is TRUE */
  77         enum ccdc_sample_line sample_ln;
  78         /* only if bClampEnable is TRUE */
  79         unsigned short start_pixel;
  80         /* only if bClampEnable is TRUE */
  81         unsigned short sgain;
  82         /* only if bClampEnable is FALSE */
  83         unsigned short dc_sub;
  84 };
  85
  86 /* structure for Black Level Compensation */
  87 struct ccdc_black_compensation {
  88         /* Constant value to subtract from Red component */
  89         char r;
  90         /* Constant value to subtract from Gr component */
  91         char gr;
  92         /* Constant value to subtract from Blue component */
  93         char b;
  94         /* Constant value to subtract from Gb component */
  95         char gb;
  96 };
  97
  98 /* structure for fault pixel correction */
  99 struct ccdc_fault_pixel {
 100         /* Enable or Disable fault pixel correction */
 101         unsigned char enable;
 102         /* Number of fault pixel */
 103         unsigned short fp_num;
 104         /* Address of fault pixel table */
 105         unsigned int fpc_table_addr;
 106 };
 107
 108 /* Structure for CCDC configuration parameters for raw capture mode passed
 109  * by application
 110  */
 111 struct ccdc_config_params_raw {
 112         /* data size value from 8 to 16 bits */
 113         enum ccdc_data_size data_sz;
 114         /* Structure for Optional A-Law */
 115         struct ccdc_a_law alaw;
 116         /* Structure for Optical Black Clamp */
 117         struct ccdc_black_clamp blk_clamp;
 118         /* Structure for Black Compensation */
 119         struct ccdc_black_compensation blk_comp;
 120         /* Structure for Fault Pixel Module Configuration */
 121         struct ccdc_fault_pixel fault_pxl;
 122 };
 123
 124
 125 #ifdef __KERNEL__
 126 #include <linux/io.h>
 127 /* Define to enable/disable video port */
 128 #define FP_NUM_BYTES            4
 129 /* Define for extra pixel/line and extra lines/frame */
 130 #define NUM_EXTRAPIXELS         8
 131 #define NUM_EXTRALINES          8
 132
 133 /* settings for commonly used video formats */
 134 #define CCDC_WIN_PAL     {0, 0, 720, 576}
 135 /* ntsc square pixel */
 136 #define CCDC_WIN_VGA    {0, 0, (640 + NUM_EXTRAPIXELS), (480 + NUM_EXTRALINES)}
 137
 138 /* Structure for CCDC configuration parameters for raw capture mode */
 139 struct ccdc_params_raw {
 140         /* pixel format */
 141         enum ccdc_pixfmt pix_fmt;
 142         /* progressive or interlaced frame */
 143         enum ccdc_frmfmt frm_fmt;
 144         /* video window */
 145         struct v4l2_rect win;
 146         /* field id polarity */
 147         enum vpfe_pin_pol fid_pol;
 148         /* vertical sync polarity */
 149         enum vpfe_pin_pol vd_pol;
 150         /* horizontal sync polarity */
 151         enum vpfe_pin_pol hd_pol;
 152         /* interleaved or separated fields */
 153         enum ccdc_buftype buf_type;
 154         /*
 155          * enable to store the image in inverse
 156          * order in memory(bottom to top)
 157          */
 158         unsigned char image_invert_enable;
 159         /* configurable paramaters */
 160         struct ccdc_config_params_raw config_params;
 161 };
 162
 163 struct ccdc_params_ycbcr {
 164         /* pixel format */
 165         enum ccdc_pixfmt pix_fmt;
 166         /* progressive or interlaced frame */
 167         enum ccdc_frmfmt frm_fmt;
 168         /* video window */
 169         struct v4l2_rect win;
 170         /* field id polarity */
 171         enum vpfe_pin_pol fid_pol;
 172         /* vertical sync polarity */
 173         enum vpfe_pin_pol vd_pol;
 174         /* horizontal sync polarity */
 175         enum vpfe_pin_pol hd_pol;
 176         /* enable BT.656 embedded sync mode */
 177         int bt656_enable;
 178         /* cb:y:cr:y or y:cb:y:cr in memory */
 179         enum ccdc_pixorder pix_order;
 180         /* interleaved or separated fields  */
 181         enum ccdc_buftype buf_type;
 182 };
 183 #endif
 184 #endif                          /* _DM644X_CCDC_H */