1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) Jernej Skrabec <jernej.skrabec@siol.net>
*/
#include <drm/drm_print.h>
#include "sun8i_csc.h"
#include "sun8i_mixer.h"
static const u32 ccsc_base[2][2] = {
{CCSC00_OFFSET, CCSC01_OFFSET},
{CCSC10_OFFSET, CCSC11_OFFSET},
};
/*
* Factors are in two's complement format, 10 bits for fractinal part.
* First tree values in each line are multiplication factor and last
* value is constant, which is added at the end.
*/
static const u32 yuv2rgb[2][2][12] = {
[DRM_COLOR_YCBCR_LIMITED_RANGE] = {
[DRM_COLOR_YCBCR_BT601] = {
0x000004A8, 0x00000000, 0x00000662, 0xFFFC8451,
0x000004A8, 0xFFFFFE6F, 0xFFFFFCC0, 0x00021E4D,
0x000004A8, 0x00000811, 0x00000000, 0xFFFBACA9,
},
[DRM_COLOR_YCBCR_BT709] = {
0x000004A8, 0x00000000, 0x0000072B, 0xFFFC1F99,
0x000004A8, 0xFFFFFF26, 0xFFFFFDDF, 0x00013383,
0x000004A8, 0x00000873, 0x00000000, 0xFFFB7BEF,
}
},
[DRM_COLOR_YCBCR_FULL_RANGE] = {
[DRM_COLOR_YCBCR_BT601] = {
0x00000400, 0x00000000, 0x0000059B, 0xFFFD322E,
0x00000400, 0xFFFFFEA0, 0xFFFFFD25, 0x00021DD5,
0x00000400, 0x00000716, 0x00000000, 0xFFFC74BD,
},
[DRM_COLOR_YCBCR_BT709] = {
0x00000400, 0x00000000, 0x0000064C, 0xFFFCD9B4,
0x00000400, 0xFFFFFF41, 0xFFFFFE21, 0x00014F96,
0x00000400, 0x0000076C, 0x00000000, 0xFFFC49EF,
}
},
};
static const u32 yvu2rgb[2][2][12] = {
[DRM_COLOR_YCBCR_LIMITED_RANGE] = {
[DRM_COLOR_YCBCR_BT601] = {
0x000004A8, 0x00000662, 0x00000000, 0xFFFC8451,
0x000004A8, 0xFFFFFCC0, 0xFFFFFE6F, 0x00021E4D,
0x000004A8, 0x00000000, 0x00000811, 0xFFFBACA9,
},
[DRM_COLOR_YCBCR_BT709] = {
0x000004A8, 0x0000072B, 0x00000000, 0xFFFC1F99,
0x000004A8, 0xFFFFFDDF, 0xFFFFFF26, 0x00013383,
0x000004A8, 0x00000000, 0x00000873, 0xFFFB7BEF,
}
},
[DRM_COLOR_YCBCR_FULL_RANGE] = {
[DRM_COLOR_YCBCR_BT601] = {
0x00000400, 0x0000059B, 0x00000000, 0xFFFD322E,
0x00000400, 0xFFFFFD25, 0xFFFFFEA0, 0x00021DD5,
0x00000400, 0x00000000, 0x00000716, 0xFFFC74BD,
},
[DRM_COLOR_YCBCR_BT709] = {
0x00000400, 0x0000064C, 0x00000000, 0xFFFCD9B4,
0x00000400, 0xFFFFFE21, 0xFFFFFF41, 0x00014F96,
0x00000400, 0x00000000, 0x0000076C, 0xFFFC49EF,
}
},
};
/*
* DE3 has a bit different CSC units. Factors are in two's complement format.
* First three factors in a row are multiplication factors which have 17 bits
* for fractional part. Fourth value in a row is comprised of two factors.
* Upper 16 bits represents difference, which is subtracted from the input
* value before multiplication and lower 16 bits represents constant, which
* is addes at the end.
*
* x' = c00 * (x + d0) + c01 * (y + d1) + c02 * (z + d2) + const0
* y' = c10 * (x + d0) + c11 * (y + d1) + c12 * (z + d2) + const1
* z' = c20 * (x + d0) + c21 * (y + d1) + c22 * (z + d2) + const2
*
* Please note that above formula is true only for Blender CSC. Other DE3 CSC
* units takes only positive value for difference. From what can be deducted
* from BSP driver code, those units probably automatically assume that
* difference has to be subtracted.
*
* Layout of factors in table:
* c00 c01 c02 [d0 const0]
* c10 c11 c12 [d1 const1]
* c20 c21 c22 [d2 const2]
*/
static const u32 yuv2rgb_de3[2][2][12] = {
[DRM_COLOR_YCBCR_LIMITED_RANGE] = {
[DRM_COLOR_YCBCR_BT601] = {
0x0002542A, 0x00000000, 0x0003312A, 0xFFC00000,
0x0002542A, 0xFFFF376B, 0xFFFE5FC3, 0xFE000000,
0x0002542A, 0x000408D2, 0x00000000, 0xFE000000,
},
[DRM_COLOR_YCBCR_BT709] = {
0x0002542A, 0x00000000, 0x000395E2, 0xFFC00000,
0x0002542A, 0xFFFF92D2, 0xFFFEEF27, 0xFE000000,
0x0002542A, 0x0004398C, 0x00000000, 0xFE000000,
}
},
[DRM_COLOR_YCBCR_FULL_RANGE] = {
[DRM_COLOR_YCBCR_BT601] = {
0x00020000, 0x00000000, 0x0002CDD2, 0x00000000,
0x00020000, 0xFFFF4FCE, 0xFFFE925D, 0xFE000000,
0x00020000, 0x00038B43, 0x00000000, 0xFE000000,
},
[DRM_COLOR_YCBCR_BT709] = {
0x00020000, 0x00000000, 0x0003264C, 0x00000000,
0x00020000, 0xFFFFA018, 0xFFFF1053, 0xFE000000,
0x00020000, 0x0003B611, 0x00000000, 0xFE000000,
}
},
};
static const u32 yvu2rgb_de3[2][2][12] = {
[DRM_COLOR_YCBCR_LIMITED_RANGE] = {
[DRM_COLOR_YCBCR_BT601] = {
0x0002542A, 0x0003312A, 0x00000000, 0xFFC00000,
0x0002542A, 0xFFFE5FC3, 0xFFFF376B, 0xFE000000,
0x0002542A, 0x00000000, 0x000408D2, 0xFE000000,
},
[DRM_COLOR_YCBCR_BT709] = {
0x0002542A, 0x000395E2, 0x00000000, 0xFFC00000,
0x0002542A, 0xFFFEEF27, 0xFFFF92D2, 0xFE000000,
0x0002542A, 0x00000000, 0x0004398C, 0xFE000000,
}
},
[DRM_COLOR_YCBCR_FULL_RANGE] = {
[DRM_COLOR_YCBCR_BT601] = {
0x00020000, 0x0002CDD2, 0x00000000, 0x00000000,
0x00020000, 0xFFFE925D, 0xFFFF4FCE, 0xFE000000,
0x00020000, 0x00000000, 0x00038B43, 0xFE000000,
},
[DRM_COLOR_YCBCR_BT709] = {
0x00020000, 0x0003264C, 0x00000000, 0x00000000,
0x00020000, 0xFFFF1053, 0xFFFFA018, 0xFE000000,
0x00020000, 0x00000000, 0x0003B611, 0xFE000000,
}
},
};
static void sun8i_csc_set_coefficients(struct regmap *map, u32 base,
enum sun8i_csc_mode mode,
enum drm_color_encoding encoding,
enum drm_color_range range)
{
const u32 *table;
u32 base_reg;
switch (mode) {
case SUN8I_CSC_MODE_YUV2RGB:
table = yuv2rgb[range][encoding];
break;
case SUN8I_CSC_MODE_YVU2RGB:
table = yvu2rgb[range][encoding];
break;
default:
DRM_WARN("Wrong CSC mode specified.\n");
return;
}
base_reg = SUN8I_CSC_COEFF(base, 0);
regmap_bulk_write(map, base_reg, table, 12);
}
static void sun8i_de3_ccsc_set_coefficients(struct regmap *map, int layer,
enum sun8i_csc_mode mode,
enum drm_color_encoding encoding,
enum drm_color_range range)
{
const u32 *table;
u32 base_reg;
switch (mode) {
case SUN8I_CSC_MODE_YUV2RGB:
table = yuv2rgb_de3[range][encoding];
break;
case SUN8I_CSC_MODE_YVU2RGB:
table = yvu2rgb_de3[range][encoding];
break;
default:
DRM_WARN("Wrong CSC mode specified.\n");
return;
}
base_reg = SUN50I_MIXER_BLEND_CSC_COEFF(DE3_BLD_BASE, layer, 0, 0);
regmap_bulk_write(map, base_reg, table, 12);
}
static void sun8i_csc_enable(struct regmap *map, u32 base, bool enable)
{
u32 val;
if (enable)
val = SUN8I_CSC_CTRL_EN;
else
val = 0;
regmap_update_bits(map, SUN8I_CSC_CTRL(base), SUN8I_CSC_CTRL_EN, val);
}
static void sun8i_de3_ccsc_enable(struct regmap *map, int layer, bool enable)
{
u32 val, mask;
mask = SUN50I_MIXER_BLEND_CSC_CTL_EN(layer);
if (enable)
val = mask;
else
val = 0;
regmap_update_bits(map, SUN50I_MIXER_BLEND_CSC_CTL(DE3_BLD_BASE),
mask, val);
}
void sun8i_csc_set_ccsc_coefficients(struct sun8i_mixer *mixer, int layer,
enum sun8i_csc_mode mode,
enum drm_color_encoding encoding,
enum drm_color_range range)
{
u32 base;
if (mixer->cfg->is_de3) {
sun8i_de3_ccsc_set_coefficients(mixer->engine.regs, layer,
mode, encoding, range);
return;
}
base = ccsc_base[mixer->cfg->ccsc][layer];
sun8i_csc_set_coefficients(mixer->engine.regs, base,
mode, encoding, range);
}
void sun8i_csc_enable_ccsc(struct sun8i_mixer *mixer, int layer, bool enable)
{
u32 base;
if (mixer->cfg->is_de3) {
sun8i_de3_ccsc_enable(mixer->engine.regs, layer, enable);
return;
}
base = ccsc_base[mixer->cfg->ccsc][layer];
sun8i_csc_enable(mixer->engine.regs, base, enable);
}
|
