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 */
185