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