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 gamma width */
  42 enum ccdc_gamma_width {
  43         CCDC_GAMMA_BITS_15_6,   /* use bits 15-6 for gamma */
  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    /* use bits 9-0 for gamma */
  50 };
  51
  52 /* returns the highest bit used for the gamma */
  53 static inline u8 ccdc_gamma_width_max_bit(enum ccdc_gamma_width width)
  54 {
  55         return 15 - width;
  56 }
  57
  58 enum ccdc_data_size {
  59         CCDC_DATA_16BITS,
  60         CCDC_DATA_15BITS,
  61         CCDC_DATA_14BITS,
  62         CCDC_DATA_13BITS,
  63         CCDC_DATA_12BITS,
  64         CCDC_DATA_11BITS,
  65         CCDC_DATA_10BITS,
  66         CCDC_DATA_8BITS
  67 };
  68
  69 /* returns the highest bit used for this data size */
  70 static inline u8 ccdc_data_size_max_bit(enum ccdc_data_size sz)
  71 {
  72         return sz == CCDC_DATA_8BITS ? 7 : 15 - sz;
  73 }
  74
  75 /* structure for ALaw */
  76 struct ccdc_a_law {
  77         /* Enable/disable A-Law */
  78         unsigned char enable;
  79         /* Gamma Width Input */
  80         enum ccdc_gamma_width gamma_wd;
  81 };
  82
  83 /* structure for Black Clamping */
  84 struct ccdc_black_clamp {
  85         unsigned char enable;
  86         /* only if bClampEnable is TRUE */
  87         enum ccdc_sample_length sample_pixel;
  88         /* only if bClampEnable is TRUE */
  89         enum ccdc_sample_line sample_ln;
  90         /* only if bClampEnable is TRUE */
  91         unsigned short start_pixel;
  92         /* only if bClampEnable is TRUE */
  93         unsigned short sgain;
  94         /* only if bClampEnable is FALSE */
  95         unsigned short dc_sub;
  96 };
  97
  98 /* structure for Black Level Compensation */
  99 struct ccdc_black_compensation {
 100         /* Constant value to subtract from Red component */
 101         char r;
 102         /* Constant value to subtract from Gr component */
 103         char gr;
 104         /* Constant value to subtract from Blue component */
 105         char b;
 106         /* Constant value to subtract from Gb component */
 107         char gb;
 108 };
 109
 110 /* structure for fault pixel correction */
 111 struct ccdc_fault_pixel {
 112         /* Enable or Disable fault pixel correction */
 113         unsigned char enable;
 114         /* Number of fault pixel */
 115         unsigned short fp_num;
 116         /* Address of fault pixel table */
 117         unsigned long fpc_table_addr;
 118 };
 119
 120 /* Structure for CCDC configuration parameters for raw capture mode passed
 121  * by application
 122  */
 123 struct ccdc_config_params_raw {
 124         /* data size value from 8 to 16 bits */
 125         enum ccdc_data_size data_sz;
 126         /* Structure for Optional A-Law */
 127         struct ccdc_a_law alaw;
 128         /* Structure for Optical Black Clamp */
 129         struct ccdc_black_clamp blk_clamp;
 130         /* Structure for Black Compensation */
 131         struct ccdc_black_compensation blk_comp;
 132         /* Structure for Fault Pixel Module Configuration */
 133         struct ccdc_fault_pixel fault_pxl;
 134 };
 135
 136
 137 #ifdef __KERNEL__
 138 #include <linux/io.h>
 139 /* Define to enable/disable video port */
 140 #define FP_NUM_BYTES            4
 141 /* Define for extra pixel/line and extra lines/frame */
 142 #define NUM_EXTRAPIXELS         8
 143 #define NUM_EXTRALINES          8
 144
 145 /* settings for commonly used video formats */
 146 #define CCDC_WIN_PAL     {0, 0, 720, 576}
 147 /* ntsc square pixel */
 148 #define CCDC_WIN_VGA    {0, 0, (640 + NUM_EXTRAPIXELS), (480 + NUM_EXTRALINES)}
 149
 150 /* Structure for CCDC configuration parameters for raw capture mode */
 151 struct ccdc_params_raw {
 152         /* pixel format */
 153         enum ccdc_pixfmt pix_fmt;
 154         /* progressive or interlaced frame */
 155         enum ccdc_frmfmt frm_fmt;
 156         /* video window */
 157         struct v4l2_rect win;
 158         /* field id polarity */
 159         enum vpfe_pin_pol fid_pol;
 160         /* vertical sync polarity */
 161         enum vpfe_pin_pol vd_pol;
 162         /* horizontal sync polarity */
 163         enum vpfe_pin_pol hd_pol;
 164         /* interleaved or separated fields */
 165         enum ccdc_buftype buf_type;
 166         /*
 167          * enable to store the image in inverse
 168          * order in memory(bottom to top)
 169          */
 170         unsigned char image_invert_enable;
 171         /* configurable paramaters */
 172         struct ccdc_config_params_raw config_params;
 173 };
 174
 175 struct ccdc_params_ycbcr {
 176         /* pixel format */
 177         enum ccdc_pixfmt pix_fmt;
 178         /* progressive or interlaced frame */
 179         enum ccdc_frmfmt frm_fmt;
 180         /* video window */
 181         struct v4l2_rect win;
 182         /* field id polarity */
 183         enum vpfe_pin_pol fid_pol;
 184         /* vertical sync polarity */
 185         enum vpfe_pin_pol vd_pol;
 186         /* horizontal sync polarity */
 187         enum vpfe_pin_pol hd_pol;
 188         /* enable BT.656 embedded sync mode */
 189         int bt656_enable;
 190         /* cb:y:cr:y or y:cb:y:cr in memory */
 191         enum ccdc_pixorder pix_order;
 192         /* interleaved or separated fields  */
 193         enum ccdc_buftype buf_type;
 194 };
 195 #endif
 196 #endif                          /* _DM644X_CCDC_H */