1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* Copyright (C) 2006-2009 Texas Instruments Inc
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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 */
|
