1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
5 */
6
7 #include <linux/string.h> /* for memcpy() */
8
9 #include <type_support.h>
10 #include "system_global.h"
11 #include "vamem.h"
12 #include "ia_css_types.h"
13 #include "ia_css_gc_table.host.h"
14
15
16 struct ia_css_gamma_table default_gamma_table;
17
18 static const uint16_t
19 default_gamma_table_data[IA_CSS_VAMEM_2_GAMMA_TABLE_SIZE] = {
20 0, 4, 8, 12, 17, 21, 27, 32,
21 38, 44, 49, 55, 61, 66, 71, 76,
22 80, 84, 88, 92, 95, 98, 102, 105,
23 108, 110, 113, 116, 118, 121, 123, 126,
24 128, 130, 132, 135, 137, 139, 141, 143,
25 145, 146, 148, 150, 152, 153, 155, 156,
26 158, 160, 161, 162, 164, 165, 166, 168,
27 169, 170, 171, 172, 174, 175, 176, 177,
28 178, 179, 180, 181, 182, 183, 184, 184,
29 185, 186, 187, 188, 189, 189, 190, 191,
30 192, 192, 193, 194, 195, 195, 196, 197,
31 197, 198, 198, 199, 200, 200, 201, 201,
32 202, 203, 203, 204, 204, 205, 205, 206,
33 206, 207, 207, 208, 208, 209, 209, 210,
34 210, 210, 211, 211, 212, 212, 213, 213,
35 214, 214, 214, 215, 215, 216, 216, 216,
36 217, 217, 218, 218, 218, 219, 219, 220,
37 220, 220, 221, 221, 222, 222, 222, 223,
38 223, 223, 224, 224, 225, 225, 225, 226,
39 226, 226, 227, 227, 227, 228, 228, 228,
40 229, 229, 229, 230, 230, 230, 231, 231,
41 231, 232, 232, 232, 233, 233, 233, 234,
42 234, 234, 234, 235, 235, 235, 236, 236,
43 236, 237, 237, 237, 237, 238, 238, 238,
44 239, 239, 239, 239, 240, 240, 240, 241,
45 241, 241, 241, 242, 242, 242, 242, 243,
46 243, 243, 243, 244, 244, 244, 245, 245,
47 245, 245, 246, 246, 246, 246, 247, 247,
48 247, 247, 248, 248, 248, 248, 249, 249,
49 249, 249, 250, 250, 250, 250, 251, 251,
50 251, 251, 252, 252, 252, 252, 253, 253,
51 253, 253, 254, 254, 254, 254, 255, 255,
52 255
53 };
54
55
56 void
ia_css_config_gamma_table(void)57 ia_css_config_gamma_table(void)
58 {
59 memcpy(default_gamma_table.data.vamem_2, default_gamma_table_data,
60 sizeof(default_gamma_table_data));
61 default_gamma_table.vamem_type = IA_CSS_VAMEM_TYPE_2;
62 }
63