LXR linux/include/media/davinci/dm644x

   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*/
  24enum 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 */
  33enum 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 */
  42enum 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 */
  53static inline u8 ccdc_gamma_width_max_bit(enum ccdc_gamma_width width)
  54{
  55        return 15 - width;
  56}
  57
  58enum 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 */
  70static 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 */
  76struct 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 */
  84struct 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 */
  99struct 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 */
 111struct 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 */
 123struct 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 */
 151struct 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
 175struct 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 */
 197