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dm644x_ccdc.h
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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 gama width */
42 enum ccdc_gama_width {
43  CCDC_GAMMA_BITS_15_6,
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
50 };
51 
52 enum ccdc_data_size {
53  CCDC_DATA_16BITS,
54  CCDC_DATA_15BITS,
55  CCDC_DATA_14BITS,
56  CCDC_DATA_13BITS,
57  CCDC_DATA_12BITS,
58  CCDC_DATA_11BITS,
59  CCDC_DATA_10BITS,
60  CCDC_DATA_8BITS
61 };
62 
63 /* structure for ALaw */
64 struct ccdc_a_law {
65  /* Enable/disable A-Law */
66  unsigned char enable;
67  /* Gama Width Input */
68  enum ccdc_gama_width gama_wd;
69 };
70 
71 /* structure for Black Clamping */
72 struct ccdc_black_clamp {
73  unsigned char enable;
74  /* only if bClampEnable is TRUE */
75  enum ccdc_sample_length sample_pixel;
76  /* only if bClampEnable is TRUE */
77  enum ccdc_sample_line sample_ln;
78  /* only if bClampEnable is TRUE */
79  unsigned short start_pixel;
80  /* only if bClampEnable is TRUE */
81  unsigned short sgain;
82  /* only if bClampEnable is FALSE */
83  unsigned short dc_sub;
84 };
85 
86 /* structure for Black Level Compensation */
87 struct ccdc_black_compensation {
88  /* Constant value to subtract from Red component */
89  char r;
90  /* Constant value to subtract from Gr component */
91  char gr;
92  /* Constant value to subtract from Blue component */
93  char b;
94  /* Constant value to subtract from Gb component */
95  char gb;
96 };
97 
98 /* structure for fault pixel correction */
99 struct ccdc_fault_pixel {
100  /* Enable or Disable fault pixel correction */
101  unsigned char enable;
102  /* Number of fault pixel */
103  unsigned short fp_num;
104  /* Address of fault pixel table */
105  unsigned int fpc_table_addr;
106 };
107 
108 /* Structure for CCDC configuration parameters for raw capture mode passed
109  * by application
110  */
111 struct ccdc_config_params_raw {
112  /* data size value from 8 to 16 bits */
113  enum ccdc_data_size data_sz;
114  /* Structure for Optional A-Law */
115  struct ccdc_a_law alaw;
116  /* Structure for Optical Black Clamp */
117  struct ccdc_black_clamp blk_clamp;
118  /* Structure for Black Compensation */
119  struct ccdc_black_compensation blk_comp;
120  /* Structure for Fault Pixel Module Configuration */
121  struct ccdc_fault_pixel fault_pxl;
122 };
123 
124 
125 #ifdef __KERNEL__
126 #include <linux/io.h>
127 /* Define to enable/disable video port */
128 #define FP_NUM_BYTES 4
129 /* Define for extra pixel/line and extra lines/frame */
130 #define NUM_EXTRAPIXELS 8
131 #define NUM_EXTRALINES 8
132 
133 /* settings for commonly used video formats */
134 #define CCDC_WIN_PAL {0, 0, 720, 576}
135 /* ntsc square pixel */
136 #define CCDC_WIN_VGA {0, 0, (640 + NUM_EXTRAPIXELS), (480 + NUM_EXTRALINES)}
137 
138 /* Structure for CCDC configuration parameters for raw capture mode */
139 struct ccdc_params_raw {
140  /* pixel format */
141  enum ccdc_pixfmt pix_fmt;
142  /* progressive or interlaced frame */
143  enum ccdc_frmfmt frm_fmt;
144  /* video window */
145  struct v4l2_rect win;
146  /* field id polarity */
147  enum vpfe_pin_pol fid_pol;
148  /* vertical sync polarity */
149  enum vpfe_pin_pol vd_pol;
150  /* horizontal sync polarity */
151  enum vpfe_pin_pol hd_pol;
152  /* interleaved or separated fields */
153  enum ccdc_buftype buf_type;
154  /*
155  * enable to store the image in inverse
156  * order in memory(bottom to top)
157  */
158  unsigned char image_invert_enable;
159  /* configurable paramaters */
160  struct ccdc_config_params_raw config_params;
161 };
162 
163 struct ccdc_params_ycbcr {
164  /* pixel format */
165  enum ccdc_pixfmt pix_fmt;
166  /* progressive or interlaced frame */
167  enum ccdc_frmfmt frm_fmt;
168  /* video window */
169  struct v4l2_rect win;
170  /* field id polarity */
171  enum vpfe_pin_pol fid_pol;
172  /* vertical sync polarity */
173  enum vpfe_pin_pol vd_pol;
174  /* horizontal sync polarity */
175  enum vpfe_pin_pol hd_pol;
176  /* enable BT.656 embedded sync mode */
177  int bt656_enable;
178  /* cb:y:cr:y or y:cb:y:cr in memory */
179  enum ccdc_pixorder pix_order;
180  /* interleaved or separated fields */
181  enum ccdc_buftype buf_type;
182 };
183 #endif
184 #endif /* _DM644X_CCDC_H */
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