1 /* Copyright 2022 Advanced Micro Devices, Inc.
2 *
3 * Permission is hereby granted, free of charge, to any person obtaining a
4 * copy of this software and associated documentation files (the "Software"),
5 * to deal in the Software without restriction, including without limitation
6 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
7 * and/or sell copies of the Software, and to permit persons to whom the
8 * Software is furnished to do so, subject to the following conditions:
9 *
10 * The above copyright notice and this permission notice shall be included in
11 * all copies or substantial portions of the Software.
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
19 * OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * Authors: AMD
22 *
23 */
24
25 #include <string.h>
26 #include "vpe_priv.h"
27 #include "common.h"
28 #include "mpc.h"
29
30 enum mpc_color_space_type {
31 COLOR_SPACE_RGB_TYPE,
32 COLOR_SPACE_RGB_LIMITED_8PBC_TYPE,
33 COLOR_SPACE_RGB_LIMITED_10PBC_TYPE,
34 COLOR_SPACE_YCBCR601_TYPE,
35 COLOR_SPACE_YCBCR709_TYPE,
36 COLOR_SPACE_YCBCR2020_TYPE,
37 COLOR_SPACE_YCBCR601_LIMITED_TYPE,
38 COLOR_SPACE_YCBCR709_LIMITED_TYPE,
39 // COLOR_SPACE_YCBCR709_BLACK_TYPE,
40 };
41 struct out_csc_color_matrix_type {
42 enum mpc_color_space_type color_space_type;
43 uint16_t regval[12];
44 };
45
46 static const struct out_csc_color_matrix_type output_csc_matrix[] = {
47 {COLOR_SPACE_RGB_TYPE, {0x2000, 0, 0, 0, 0, 0x2000, 0, 0, 0, 0, 0x2000, 0}},
48 {COLOR_SPACE_RGB_LIMITED_8PBC_TYPE,
49 {0x1B7B, 0, 0, 0x202, 0, 0x1B7B, 0, 0x202, 0, 0, 0x1B7B, 0x202}},
50 {COLOR_SPACE_RGB_LIMITED_10PBC_TYPE,
51 {0x1B66, 0, 0, 0x200, 0, 0x1B66, 0, 0x200, 0, 0, 0x1B66, 0x200}},
52 {COLOR_SPACE_YCBCR601_TYPE, {0xE04, 0xF444, 0xFDB9, 0x1004, 0x831, 0x1016, 0x320, 0x201, 0xFB45,
53 0xF6B7, 0xE04, 0x1004}},
54 {COLOR_SPACE_YCBCR709_TYPE, {0xE04, 0xF345, 0xFEB7, 0x1004, 0x5D3, 0x1399, 0x1FA, 0x201, 0xFCCA,
55 0xF533, 0xE04, 0x1004}},
56 /* TODO: correct values below */
57 {COLOR_SPACE_YCBCR601_LIMITED_TYPE, {0xE00, 0xF447, 0xFDB9, 0x1000, 0x991, 0x12C9, 0x3A6, 0x200,
58 0xFB47, 0xF6B9, 0xE00, 0x1000}},
59 {COLOR_SPACE_YCBCR709_LIMITED_TYPE, {0xE00, 0xF349, 0xFEB7, 0x1000, 0x6CE, 0x16E3, 0x24F, 0x200,
60 0xFCCB, 0xF535, 0xE00, 0x1000}},
61 {COLOR_SPACE_YCBCR2020_TYPE, {0x1000, 0xF149, 0xFEB7, 0x0000, 0x0868, 0x15B2, 0x01E6, 0x0000,
62 0xFB88, 0xF478, 0x1000, 0x0000}},
63 };
64
is_rgb_full_type(enum color_space color_space)65 static bool is_rgb_full_type(enum color_space color_space)
66 {
67 bool ret = false;
68
69 if (color_space == COLOR_SPACE_SRGB || color_space == COLOR_SPACE_MSREF_SCRGB ||
70 color_space == COLOR_SPACE_2020_RGB_FULLRANGE)
71 ret = true;
72
73 return ret;
74 }
75
is_rgb_limited_type(enum color_space color_space)76 static bool is_rgb_limited_type(enum color_space color_space)
77 {
78 bool ret = false;
79
80 if (color_space == COLOR_SPACE_SRGB_LIMITED || color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE)
81 ret = true;
82
83 return ret;
84 }
85
is_ycbcr601_full_type(enum color_space color_space)86 static bool is_ycbcr601_full_type(enum color_space color_space)
87 {
88 bool ret = false;
89
90 if (color_space == COLOR_SPACE_YCBCR601)
91 ret = true;
92
93 return ret;
94 }
95
is_ycbcr601_limited_type(enum color_space color_space)96 static bool is_ycbcr601_limited_type(enum color_space color_space)
97 {
98 bool ret = false;
99
100 if (color_space == COLOR_SPACE_YCBCR601_LIMITED)
101 ret = true;
102
103 return ret;
104 }
105
is_ycbcr709_full_type(enum color_space color_space)106 static bool is_ycbcr709_full_type(enum color_space color_space)
107 {
108 bool ret = false;
109
110 if (color_space == COLOR_SPACE_YCBCR709)
111 ret = true;
112
113 return ret;
114 }
115
is_ycbcr709_limited_type(enum color_space color_space)116 static bool is_ycbcr709_limited_type(enum color_space color_space)
117 {
118 bool ret = false;
119
120 if (color_space == COLOR_SPACE_YCBCR709_LIMITED)
121 ret = true;
122
123 return ret;
124 }
125
is_ycbcr2020_type(enum color_space color_space)126 static bool is_ycbcr2020_type(enum color_space color_space)
127 {
128 bool ret = false;
129
130 if (color_space == COLOR_SPACE_2020_YCBCR)
131 ret = true;
132
133 return ret;
134 }
135
get_color_space_type(enum color_space color_space,enum vpe_surface_pixel_format pixel_format)136 static enum mpc_color_space_type get_color_space_type(
137 enum color_space color_space, enum vpe_surface_pixel_format pixel_format)
138 {
139 enum mpc_color_space_type type = COLOR_SPACE_RGB_TYPE;
140
141 if (is_rgb_full_type(color_space))
142 type = COLOR_SPACE_RGB_TYPE;
143 else if (is_rgb_limited_type(color_space))
144 type = vpe_is_rgb8(pixel_format) ? COLOR_SPACE_RGB_LIMITED_8PBC_TYPE
145 : COLOR_SPACE_RGB_LIMITED_10PBC_TYPE;
146 else if (is_ycbcr601_full_type(color_space))
147 type = COLOR_SPACE_YCBCR601_TYPE;
148 else if (is_ycbcr709_full_type(color_space))
149 type = COLOR_SPACE_YCBCR709_TYPE;
150 else if (is_ycbcr601_limited_type(color_space))
151 type = COLOR_SPACE_YCBCR601_LIMITED_TYPE;
152 else if (is_ycbcr709_limited_type(color_space))
153 type = COLOR_SPACE_YCBCR709_LIMITED_TYPE;
154 else if (is_ycbcr2020_type(color_space))
155 type = COLOR_SPACE_YCBCR2020_TYPE;
156
157 return type;
158 }
159
160 #define NUM_ELEMENTS(a) (sizeof(a) / sizeof((a)[0]))
161
vpe_find_color_matrix(enum color_space color_space,enum vpe_surface_pixel_format pixel_format,uint32_t * array_size)162 const uint16_t *vpe_find_color_matrix(
163 enum color_space color_space, enum vpe_surface_pixel_format pixel_format, uint32_t *array_size)
164 {
165 int i;
166 enum mpc_color_space_type type;
167 const uint16_t *val = NULL;
168 int arr_size = NUM_ELEMENTS(output_csc_matrix);
169
170 type = get_color_space_type(color_space, pixel_format);
171 for (i = 0; i < arr_size; i++)
172 if (output_csc_matrix[i].color_space_type == type) {
173 val = output_csc_matrix[i].regval;
174 *array_size = 12;
175 break;
176 }
177
178 return val;
179 }
180