LXR linux/include/media/davinci/dm644x

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * Copyright (C) 2006-2009 Texas Instruments Inc
   4 */
   5#ifndef _DM644X_CCDC_H
   6#define _DM644X_CCDC_H
   7#include <media/davinci/ccdc_types.h>
   8#include <media/davinci/vpfe_types.h>
   9
  10/* enum for No of pixel per line to be avg. in Black Clamping*/
  11enum ccdc_sample_length {
  12        CCDC_SAMPLE_1PIXELS,
  13        CCDC_SAMPLE_2PIXELS,
  14        CCDC_SAMPLE_4PIXELS,
  15        CCDC_SAMPLE_8PIXELS,
  16        CCDC_SAMPLE_16PIXELS
  17};
  18
  19/* enum for No of lines in Black Clamping */
  20enum ccdc_sample_line {
  21        CCDC_SAMPLE_1LINES,
  22        CCDC_SAMPLE_2LINES,
  23        CCDC_SAMPLE_4LINES,
  24        CCDC_SAMPLE_8LINES,
  25        CCDC_SAMPLE_16LINES
  26};
  27
  28/* enum for Alaw gamma width */
  29enum ccdc_gamma_width {
  30        CCDC_GAMMA_BITS_15_6,   /* use bits 15-6 for gamma */
  31        CCDC_GAMMA_BITS_14_5,
  32        CCDC_GAMMA_BITS_13_4,
  33        CCDC_GAMMA_BITS_12_3,
  34        CCDC_GAMMA_BITS_11_2,
  35        CCDC_GAMMA_BITS_10_1,
  36        CCDC_GAMMA_BITS_09_0    /* use bits 9-0 for gamma */
  37};
  38
  39/* returns the highest bit used for the gamma */
  40static inline u8 ccdc_gamma_width_max_bit(enum ccdc_gamma_width width)
  41{
  42        return 15 - width;
  43}
  44
  45enum ccdc_data_size {
  46        CCDC_DATA_16BITS,
  47        CCDC_DATA_15BITS,
  48        CCDC_DATA_14BITS,
  49        CCDC_DATA_13BITS,
  50        CCDC_DATA_12BITS,
  51        CCDC_DATA_11BITS,
  52        CCDC_DATA_10BITS,
  53        CCDC_DATA_8BITS
  54};
  55
  56/* returns the highest bit used for this data size */
  57static inline u8 ccdc_data_size_max_bit(enum ccdc_data_size sz)
  58{
  59        return sz == CCDC_DATA_8BITS ? 7 : 15 - sz;
  60}
  61
  62/* structure for ALaw */
  63struct ccdc_a_law {
  64        /* Enable/disable A-Law */
  65        unsigned char enable;
  66        /* Gamma Width Input */
  67        enum ccdc_gamma_width gamma_wd;
  68};
  69
  70/* structure for Black Clamping */
  71struct ccdc_black_clamp {
  72        unsigned char enable;
  73        /* only if bClampEnable is TRUE */
  74        enum ccdc_sample_length sample_pixel;
  75        /* only if bClampEnable is TRUE */
  76        enum ccdc_sample_line sample_ln;
  77        /* only if bClampEnable is TRUE */
  78        unsigned short start_pixel;
  79        /* only if bClampEnable is TRUE */
  80        unsigned short sgain;
  81        /* only if bClampEnable is FALSE */
  82        unsigned short dc_sub;
  83};
  84
  85/* structure for Black Level Compensation */
  86struct ccdc_black_compensation {
  87        /* Constant value to subtract from Red component */
  88        char r;
  89        /* Constant value to subtract from Gr component */
  90        char gr;
  91        /* Constant value to subtract from Blue component */
  92        char b;
  93        /* Constant value to subtract from Gb component */
  94        char gb;
  95};
  96
  97/* Structure for CCDC configuration parameters for raw capture mode passed
  98 * by application
  99 */
 100struct ccdc_config_params_raw {
 101        /* data size value from 8 to 16 bits */
 102        enum ccdc_data_size data_sz;
 103        /* Structure for Optional A-Law */
 104        struct ccdc_a_law alaw;
 105        /* Structure for Optical Black Clamp */
 106        struct ccdc_black_clamp blk_clamp;
 107        /* Structure for Black Compensation */
 108        struct ccdc_black_compensation blk_comp;
 109};
 110
 111
 112#ifdef __KERNEL__
 113#include <linux/io.h>
 114/* Define to enable/disable video port */
 115#define FP_NUM_BYTES            4
 116/* Define for extra pixel/line and extra lines/frame */
 117#define NUM_EXTRAPIXELS         8
 118#define NUM_EXTRALINES          8
 119
 120/* settings for commonly used video formats */
 121#define CCDC_WIN_PAL     {0, 0, 720, 576}
 122/* ntsc square pixel */
 123#define CCDC_WIN_VGA    {0, 0, (640 + NUM_EXTRAPIXELS), (480 + NUM_EXTRALINES)}
 124
 125/* Structure for CCDC configuration parameters for raw capture mode */
 126struct ccdc_params_raw {
 127        /* pixel format */
 128        enum ccdc_pixfmt pix_fmt;
 129        /* progressive or interlaced frame */
 130        enum ccdc_frmfmt frm_fmt;
 131        /* video window */
 132        struct v4l2_rect win;
 133        /* field id polarity */
 134        enum vpfe_pin_pol fid_pol;
 135        /* vertical sync polarity */
 136        enum vpfe_pin_pol vd_pol;
 137        /* horizontal sync polarity */
 138        enum vpfe_pin_pol hd_pol;
 139        /* interleaved or separated fields */
 140        enum ccdc_buftype buf_type;
 141        /*
 142         * enable to store the image in inverse
 143         * order in memory(bottom to top)
 144         */
 145        unsigned char image_invert_enable;
 146        /* configurable parameters */
 147        struct ccdc_config_params_raw config_params;
 148};
 149
 150struct ccdc_params_ycbcr {
 151        /* pixel format */
 152        enum ccdc_pixfmt pix_fmt;
 153        /* progressive or interlaced frame */
 154        enum ccdc_frmfmt frm_fmt;
 155        /* video window */
 156        struct v4l2_rect win;
 157        /* field id polarity */
 158        enum vpfe_pin_pol fid_pol;
 159        /* vertical sync polarity */
 160        enum vpfe_pin_pol vd_pol;
 161        /* horizontal sync polarity */
 162        enum vpfe_pin_pol hd_pol;
 163        /* enable BT.656 embedded sync mode */
 164        int bt656_enable;
 165        /* cb:y:cr:y or y:cb:y:cr in memory */
 166        enum ccdc_pixorder pix_order;
 167        /* interleaved or separated fields  */
 168        enum ccdc_buftype buf_type;
 169};
 170#endif
 171#endif                          /* _DM644X_CCDC_H */
 172