1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 */
15
16 #include <linux/string.h> /* for memcpy() */
17
18 #include <type_support.h>
19 #include "system_global.h"
20 #include "vamem.h"
21 #include "ia_css_types.h"
22 #include "ia_css_gc_table.host.h"
23
24
25 struct ia_css_gamma_table default_gamma_table;
26
27 static const uint16_t
28 default_gamma_table_data[IA_CSS_VAMEM_2_GAMMA_TABLE_SIZE] = {
29 0, 4, 8, 12, 17, 21, 27, 32,
30 38, 44, 49, 55, 61, 66, 71, 76,
31 80, 84, 88, 92, 95, 98, 102, 105,
32 108, 110, 113, 116, 118, 121, 123, 126,
33 128, 130, 132, 135, 137, 139, 141, 143,
34 145, 146, 148, 150, 152, 153, 155, 156,
35 158, 160, 161, 162, 164, 165, 166, 168,
36 169, 170, 171, 172, 174, 175, 176, 177,
37 178, 179, 180, 181, 182, 183, 184, 184,
38 185, 186, 187, 188, 189, 189, 190, 191,
39 192, 192, 193, 194, 195, 195, 196, 197,
40 197, 198, 198, 199, 200, 200, 201, 201,
41 202, 203, 203, 204, 204, 205, 205, 206,
42 206, 207, 207, 208, 208, 209, 209, 210,
43 210, 210, 211, 211, 212, 212, 213, 213,
44 214, 214, 214, 215, 215, 216, 216, 216,
45 217, 217, 218, 218, 218, 219, 219, 220,
46 220, 220, 221, 221, 222, 222, 222, 223,
47 223, 223, 224, 224, 225, 225, 225, 226,
48 226, 226, 227, 227, 227, 228, 228, 228,
49 229, 229, 229, 230, 230, 230, 231, 231,
50 231, 232, 232, 232, 233, 233, 233, 234,
51 234, 234, 234, 235, 235, 235, 236, 236,
52 236, 237, 237, 237, 237, 238, 238, 238,
53 239, 239, 239, 239, 240, 240, 240, 241,
54 241, 241, 241, 242, 242, 242, 242, 243,
55 243, 243, 243, 244, 244, 244, 245, 245,
56 245, 245, 246, 246, 246, 246, 247, 247,
57 247, 247, 248, 248, 248, 248, 249, 249,
58 249, 249, 250, 250, 250, 250, 251, 251,
59 251, 251, 252, 252, 252, 252, 253, 253,
60 253, 253, 254, 254, 254, 254, 255, 255,
61 255
62 };
63
64
65 void
ia_css_config_gamma_table(void)66 ia_css_config_gamma_table(void)
67 {
68 memcpy(default_gamma_table.data.vamem_2, default_gamma_table_data,
69 sizeof(default_gamma_table_data));
70 default_gamma_table.vamem_type = IA_CSS_VAMEM_TYPE_2;
71 }
72