1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux <<
2 /* 1 /*
3 * Copyright (C) 2013 - 2014 Texas Instruments 2 * Copyright (C) 2013 - 2014 Texas Instruments, Inc.
4 * 3 *
5 * Benoit Parrot <bparrot@ti.com> 4 * Benoit Parrot <bparrot@ti.com>
6 * Lad, Prabhakar <prabhakar.csengg@gmail.com> 5 * Lad, Prabhakar <prabhakar.csengg@gmail.com>
7 * 6 *
8 * This program is free software; you may redi 7 * This program is free software; you may redistribute it and/or modify
9 * it under the terms of the GNU General Publi 8 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 2 of 9 * the Free Software Foundation; version 2 of the License.
11 * 10 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT W 11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
13 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMIT 12 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
14 * MERCHANTABILITY, FITNESS FOR A PARTICULAR P 13 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTH 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
16 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER L 15 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
17 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARIS 16 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
18 * CONNECTION WITH THE SOFTWARE OR THE USE OR 17 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
19 * SOFTWARE. 18 * SOFTWARE.
20 */ 19 */
21 20
22 #ifndef AM437X_VPFE_USER_H 21 #ifndef AM437X_VPFE_USER_H
23 #define AM437X_VPFE_USER_H 22 #define AM437X_VPFE_USER_H
24 23
25 #include <linux/videodev2.h> 24 #include <linux/videodev2.h>
26 25
27 enum vpfe_ccdc_data_size { 26 enum vpfe_ccdc_data_size {
28 VPFE_CCDC_DATA_16BITS = 0, 27 VPFE_CCDC_DATA_16BITS = 0,
29 VPFE_CCDC_DATA_15BITS, 28 VPFE_CCDC_DATA_15BITS,
30 VPFE_CCDC_DATA_14BITS, 29 VPFE_CCDC_DATA_14BITS,
31 VPFE_CCDC_DATA_13BITS, 30 VPFE_CCDC_DATA_13BITS,
32 VPFE_CCDC_DATA_12BITS, 31 VPFE_CCDC_DATA_12BITS,
33 VPFE_CCDC_DATA_11BITS, 32 VPFE_CCDC_DATA_11BITS,
34 VPFE_CCDC_DATA_10BITS, 33 VPFE_CCDC_DATA_10BITS,
35 VPFE_CCDC_DATA_8BITS, 34 VPFE_CCDC_DATA_8BITS,
36 }; 35 };
37 36
38 /* enum for No of pixel per line to be avg. in 37 /* enum for No of pixel per line to be avg. in Black Clamping*/
39 enum vpfe_ccdc_sample_length { 38 enum vpfe_ccdc_sample_length {
40 VPFE_CCDC_SAMPLE_1PIXELS = 0, 39 VPFE_CCDC_SAMPLE_1PIXELS = 0,
41 VPFE_CCDC_SAMPLE_2PIXELS, 40 VPFE_CCDC_SAMPLE_2PIXELS,
42 VPFE_CCDC_SAMPLE_4PIXELS, 41 VPFE_CCDC_SAMPLE_4PIXELS,
43 VPFE_CCDC_SAMPLE_8PIXELS, 42 VPFE_CCDC_SAMPLE_8PIXELS,
44 VPFE_CCDC_SAMPLE_16PIXELS, 43 VPFE_CCDC_SAMPLE_16PIXELS,
45 }; 44 };
46 45
47 /* enum for No of lines in Black Clamping */ 46 /* enum for No of lines in Black Clamping */
48 enum vpfe_ccdc_sample_line { 47 enum vpfe_ccdc_sample_line {
49 VPFE_CCDC_SAMPLE_1LINES = 0, 48 VPFE_CCDC_SAMPLE_1LINES = 0,
50 VPFE_CCDC_SAMPLE_2LINES, 49 VPFE_CCDC_SAMPLE_2LINES,
51 VPFE_CCDC_SAMPLE_4LINES, 50 VPFE_CCDC_SAMPLE_4LINES,
52 VPFE_CCDC_SAMPLE_8LINES, 51 VPFE_CCDC_SAMPLE_8LINES,
53 VPFE_CCDC_SAMPLE_16LINES, 52 VPFE_CCDC_SAMPLE_16LINES,
54 }; 53 };
55 54
56 /* enum for Alaw gamma width */ 55 /* enum for Alaw gamma width */
57 enum vpfe_ccdc_gamma_width { 56 enum vpfe_ccdc_gamma_width {
58 VPFE_CCDC_GAMMA_BITS_15_6 = 0, /* use 57 VPFE_CCDC_GAMMA_BITS_15_6 = 0, /* use bits 15-6 for gamma */
59 VPFE_CCDC_GAMMA_BITS_14_5, 58 VPFE_CCDC_GAMMA_BITS_14_5,
60 VPFE_CCDC_GAMMA_BITS_13_4, 59 VPFE_CCDC_GAMMA_BITS_13_4,
61 VPFE_CCDC_GAMMA_BITS_12_3, 60 VPFE_CCDC_GAMMA_BITS_12_3,
62 VPFE_CCDC_GAMMA_BITS_11_2, 61 VPFE_CCDC_GAMMA_BITS_11_2,
63 VPFE_CCDC_GAMMA_BITS_10_1, 62 VPFE_CCDC_GAMMA_BITS_10_1,
64 VPFE_CCDC_GAMMA_BITS_09_0, /* use 63 VPFE_CCDC_GAMMA_BITS_09_0, /* use bits 9-0 for gamma */
65 }; 64 };
66 65
67 /* structure for ALaw */ 66 /* structure for ALaw */
68 struct vpfe_ccdc_a_law { 67 struct vpfe_ccdc_a_law {
69 /* Enable/disable A-Law */ 68 /* Enable/disable A-Law */
70 unsigned char enable; 69 unsigned char enable;
71 /* Gamma Width Input */ 70 /* Gamma Width Input */
72 enum vpfe_ccdc_gamma_width gamma_wd; 71 enum vpfe_ccdc_gamma_width gamma_wd;
73 }; 72 };
74 73
75 /* structure for Black Clamping */ 74 /* structure for Black Clamping */
76 struct vpfe_ccdc_black_clamp { 75 struct vpfe_ccdc_black_clamp {
77 unsigned char enable; 76 unsigned char enable;
78 /* only if bClampEnable is TRUE */ 77 /* only if bClampEnable is TRUE */
79 enum vpfe_ccdc_sample_length sample_pi 78 enum vpfe_ccdc_sample_length sample_pixel;
80 /* only if bClampEnable is TRUE */ 79 /* only if bClampEnable is TRUE */
81 enum vpfe_ccdc_sample_line sample_ln; 80 enum vpfe_ccdc_sample_line sample_ln;
82 /* only if bClampEnable is TRUE */ 81 /* only if bClampEnable is TRUE */
83 unsigned short start_pixel; 82 unsigned short start_pixel;
84 /* only if bClampEnable is TRUE */ 83 /* only if bClampEnable is TRUE */
85 unsigned short sgain; 84 unsigned short sgain;
86 /* only if bClampEnable is FALSE */ 85 /* only if bClampEnable is FALSE */
87 unsigned short dc_sub; 86 unsigned short dc_sub;
88 }; 87 };
89 88
90 /* structure for Black Level Compensation */ 89 /* structure for Black Level Compensation */
91 struct vpfe_ccdc_black_compensation { 90 struct vpfe_ccdc_black_compensation {
92 /* Constant value to subtract from Red 91 /* Constant value to subtract from Red component */
93 char r; 92 char r;
94 /* Constant value to subtract from Gr 93 /* Constant value to subtract from Gr component */
95 char gr; 94 char gr;
96 /* Constant value to subtract from Blu 95 /* Constant value to subtract from Blue component */
97 char b; 96 char b;
98 /* Constant value to subtract from Gb 97 /* Constant value to subtract from Gb component */
99 char gb; 98 char gb;
100 }; 99 };
101 100
102 /* Structure for CCDC configuration parameters 101 /* Structure for CCDC configuration parameters for raw capture mode passed
103 * by application 102 * by application
104 */ 103 */
105 struct vpfe_ccdc_config_params_raw { 104 struct vpfe_ccdc_config_params_raw {
106 /* data size value from 8 to 16 bits * 105 /* data size value from 8 to 16 bits */
107 enum vpfe_ccdc_data_size data_sz; 106 enum vpfe_ccdc_data_size data_sz;
108 /* Structure for Optional A-Law */ 107 /* Structure for Optional A-Law */
109 struct vpfe_ccdc_a_law alaw; 108 struct vpfe_ccdc_a_law alaw;
110 /* Structure for Optical Black Clamp * 109 /* Structure for Optical Black Clamp */
111 struct vpfe_ccdc_black_clamp blk_clamp 110 struct vpfe_ccdc_black_clamp blk_clamp;
112 /* Structure for Black Compensation */ 111 /* Structure for Black Compensation */
113 struct vpfe_ccdc_black_compensation bl 112 struct vpfe_ccdc_black_compensation blk_comp;
114 }; 113 };
115 114
116 /* 115 /*
117 * Private IOCTL 116 * Private IOCTL
118 * VIDIOC_AM437X_CCDC_CFG - Set CCDC configura 117 * VIDIOC_AM437X_CCDC_CFG - Set CCDC configuration for raw capture
119 * This is an experimental ioctl that will cha 118 * This is an experimental ioctl that will change in future kernels. So use
120 * this ioctl with care ! 119 * this ioctl with care !
121 **/ 120 **/
122 #define VIDIOC_AM437X_CCDC_CFG \ 121 #define VIDIOC_AM437X_CCDC_CFG \
123 _IOW('V', BASE_VIDIOC_PRIVATE + 1, voi 122 _IOW('V', BASE_VIDIOC_PRIVATE + 1, void *)
124 123
125 #endif /* AM437X_VPFE_USER_H */ 124 #endif /* AM437X_VPFE_USER_H */
126 125
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.