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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2006-2009 Texas Instruments Inc
*/
#ifndef _DM644X_CCDC_H
#define _DM644X_CCDC_H
#include <media/davinci/ccdc_types.h>
#include <media/davinci/vpfe_types.h>
/* enum for No of pixel per line to be avg. in Black Clamping*/
enum ccdc_sample_length {
CCDC_SAMPLE_1PIXELS,
CCDC_SAMPLE_2PIXELS,
CCDC_SAMPLE_4PIXELS,
CCDC_SAMPLE_8PIXELS,
CCDC_SAMPLE_16PIXELS
};
/* enum for No of lines in Black Clamping */
enum ccdc_sample_line {
CCDC_SAMPLE_1LINES,
CCDC_SAMPLE_2LINES,
CCDC_SAMPLE_4LINES,
CCDC_SAMPLE_8LINES,
CCDC_SAMPLE_16LINES
};
/* enum for Alaw gamma width */
enum ccdc_gamma_width {
CCDC_GAMMA_BITS_15_6, /* use bits 15-6 for gamma */
CCDC_GAMMA_BITS_14_5,
CCDC_GAMMA_BITS_13_4,
CCDC_GAMMA_BITS_12_3,
CCDC_GAMMA_BITS_11_2,
CCDC_GAMMA_BITS_10_1,
CCDC_GAMMA_BITS_09_0 /* use bits 9-0 for gamma */
};
/* returns the highest bit used for the gamma */
static inline u8 ccdc_gamma_width_max_bit(enum ccdc_gamma_width width)
{
return 15 - width;
}
enum ccdc_data_size {
CCDC_DATA_16BITS,
CCDC_DATA_15BITS,
CCDC_DATA_14BITS,
CCDC_DATA_13BITS,
CCDC_DATA_12BITS,
CCDC_DATA_11BITS,
CCDC_DATA_10BITS,
CCDC_DATA_8BITS
};
/* returns the highest bit used for this data size */
static inline u8 ccdc_data_size_max_bit(enum ccdc_data_size sz)
{
return sz == CCDC_DATA_8BITS ? 7 : 15 - sz;
}
/* structure for ALaw */
struct ccdc_a_law {
/* Enable/disable A-Law */
unsigned char enable;
/* Gamma Width Input */
enum ccdc_gamma_width gamma_wd;
};
/* structure for Black Clamping */
struct ccdc_black_clamp {
unsigned char enable;
/* only if bClampEnable is TRUE */
enum ccdc_sample_length sample_pixel;
/* only if bClampEnable is TRUE */
enum ccdc_sample_line sample_ln;
/* only if bClampEnable is TRUE */
unsigned short start_pixel;
/* only if bClampEnable is TRUE */
unsigned short sgain;
/* only if bClampEnable is FALSE */
unsigned short dc_sub;
};
/* structure for Black Level Compensation */
struct ccdc_black_compensation {
/* Constant value to subtract from Red component */
char r;
/* Constant value to subtract from Gr component */
char gr;
/* Constant value to subtract from Blue component */
char b;
/* Constant value to subtract from Gb component */
char gb;
};
/* Structure for CCDC configuration parameters for raw capture mode passed
* by application
*/
struct ccdc_config_params_raw {
/* data size value from 8 to 16 bits */
enum ccdc_data_size data_sz;
/* Structure for Optional A-Law */
struct ccdc_a_law alaw;
/* Structure for Optical Black Clamp */
struct ccdc_black_clamp blk_clamp;
/* Structure for Black Compensation */
struct ccdc_black_compensation blk_comp;
};
#ifdef __KERNEL__
#include <linux/io.h>
/* Define to enable/disable video port */
#define FP_NUM_BYTES 4
/* Define for extra pixel/line and extra lines/frame */
#define NUM_EXTRAPIXELS 8
#define NUM_EXTRALINES 8
/* settings for commonly used video formats */
#define CCDC_WIN_PAL {0, 0, 720, 576}
/* ntsc square pixel */
#define CCDC_WIN_VGA {0, 0, (640 + NUM_EXTRAPIXELS), (480 + NUM_EXTRALINES)}
/* Structure for CCDC configuration parameters for raw capture mode */
struct ccdc_params_raw {
/* pixel format */
enum ccdc_pixfmt pix_fmt;
/* progressive or interlaced frame */
enum ccdc_frmfmt frm_fmt;
/* video window */
struct v4l2_rect win;
/* field id polarity */
enum vpfe_pin_pol fid_pol;
/* vertical sync polarity */
enum vpfe_pin_pol vd_pol;
/* horizontal sync polarity */
enum vpfe_pin_pol hd_pol;
/* interleaved or separated fields */
enum ccdc_buftype buf_type;
/*
* enable to store the image in inverse
* order in memory(bottom to top)
*/
unsigned char image_invert_enable;
/* configurable parameters */
struct ccdc_config_params_raw config_params;
};
struct ccdc_params_ycbcr {
/* pixel format */
enum ccdc_pixfmt pix_fmt;
/* progressive or interlaced frame */
enum ccdc_frmfmt frm_fmt;
/* video window */
struct v4l2_rect win;
/* field id polarity */
enum vpfe_pin_pol fid_pol;
/* vertical sync polarity */
enum vpfe_pin_pol vd_pol;
/* horizontal sync polarity */
enum vpfe_pin_pol hd_pol;
/* enable BT.656 embedded sync mode */
int bt656_enable;
/* cb:y:cr:y or y:cb:y:cr in memory */
enum ccdc_pixorder pix_order;
/* interleaved or separated fields */
enum ccdc_buftype buf_type;
};
#endif
#endif /* _DM644X_CCDC_H */