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