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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (c) 2014 The Linux Foundation. All rights reserved.
4 * Copyright (C) 2013 Red Hat
5 * Author: Rob Clark <robdclark@gmail.com>
6 */
7
8#include <drm/drm_fourcc.h>
9#include <drm/drm_framebuffer.h>
10
11#include "msm_drv.h"
12#include "mdp_kms.h"
13
14static struct csc_cfg csc_convert[CSC_MAX] = {
15 [CSC_RGB2RGB] = {
16 .type = CSC_RGB2RGB,
17 .matrix = {
18 0x0200, 0x0000, 0x0000,
19 0x0000, 0x0200, 0x0000,
20 0x0000, 0x0000, 0x0200
21 },
22 .pre_bias = { 0x0, 0x0, 0x0 },
23 .post_bias = { 0x0, 0x0, 0x0 },
24 .pre_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
25 .post_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
26 },
27 [CSC_YUV2RGB] = {
28 .type = CSC_YUV2RGB,
29 .matrix = {
30 0x0254, 0x0000, 0x0331,
31 0x0254, 0xff37, 0xfe60,
32 0x0254, 0x0409, 0x0000
33 },
34 .pre_bias = { 0xfff0, 0xff80, 0xff80 },
35 .post_bias = { 0x00, 0x00, 0x00 },
36 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
37 .post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
38 },
39 [CSC_RGB2YUV] = {
40 .type = CSC_RGB2YUV,
41 .matrix = {
42 0x0083, 0x0102, 0x0032,
43 0x1fb5, 0x1f6c, 0x00e1,
44 0x00e1, 0x1f45, 0x1fdc
45 },
46 .pre_bias = { 0x00, 0x00, 0x00 },
47 .post_bias = { 0x10, 0x80, 0x80 },
48 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
49 .post_clamp = { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0 },
50 },
51 [CSC_YUV2YUV] = {
52 .type = CSC_YUV2YUV,
53 .matrix = {
54 0x0200, 0x0000, 0x0000,
55 0x0000, 0x0200, 0x0000,
56 0x0000, 0x0000, 0x0200
57 },
58 .pre_bias = { 0x00, 0x00, 0x00 },
59 .post_bias = { 0x00, 0x00, 0x00 },
60 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
61 .post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
62 },
63};
64
65#define FMT(name, a, r, g, b, e0, e1, e2, e3, alpha, tight, c, cnt, fp, cs, yuv) { \
66 .base = { .pixel_format = DRM_FORMAT_ ## name }, \
67 .bpc_a = BPC ## a ## A, \
68 .bpc_r = BPC ## r, \
69 .bpc_g = BPC ## g, \
70 .bpc_b = BPC ## b, \
71 .unpack = { e0, e1, e2, e3 }, \
72 .alpha_enable = alpha, \
73 .unpack_tight = tight, \
74 .cpp = c, \
75 .unpack_count = cnt, \
76 .fetch_type = fp, \
77 .chroma_sample = cs, \
78 .is_yuv = yuv, \
79}
80
81#define BPC0A 0
82
83/*
84 * Note: Keep RGB formats 1st, followed by YUV formats to avoid breaking
85 * mdp_get_rgb_formats()'s implementation.
86 */
87static const struct mdp_format formats[] = {
88 /* name a r g b e0 e1 e2 e3 alpha tight cpp cnt ... */
89 FMT(ARGB8888, 8, 8, 8, 8, 1, 0, 2, 3, true, true, 4, 4,
90 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
91 FMT(ABGR8888, 8, 8, 8, 8, 2, 0, 1, 3, true, true, 4, 4,
92 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
93 FMT(RGBA8888, 8, 8, 8, 8, 3, 1, 0, 2, true, true, 4, 4,
94 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
95 FMT(BGRA8888, 8, 8, 8, 8, 3, 2, 0, 1, true, true, 4, 4,
96 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
97 FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4,
98 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
99 FMT(XBGR8888, 8, 8, 8, 8, 2, 0, 1, 3, false, true, 4, 4,
100 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
101 FMT(RGBX8888, 8, 8, 8, 8, 3, 1, 0, 2, false, true, 4, 4,
102 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
103 FMT(BGRX8888, 8, 8, 8, 8, 3, 2, 0, 1, false, true, 4, 4,
104 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
105 FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3,
106 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
107 FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3,
108 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
109 FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3,
110 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
111 FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3,
112 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
113
114 /* --- RGB formats above / YUV formats below this line --- */
115
116 /* 2 plane YUV */
117 FMT(NV12, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
118 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
119 FMT(NV21, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
120 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
121 FMT(NV16, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
122 MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
123 FMT(NV61, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
124 MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
125 /* 1 plane YUV */
126 FMT(VYUY, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 2, 4,
127 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
128 FMT(UYVY, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 2, 4,
129 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
130 FMT(YUYV, 0, 8, 8, 8, 0, 1, 0, 2, false, true, 2, 4,
131 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
132 FMT(YVYU, 0, 8, 8, 8, 0, 2, 0, 1, false, true, 2, 4,
133 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
134 /* 3 plane YUV */
135 FMT(YUV420, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 1, 1,
136 MDP_PLANE_PLANAR, CHROMA_420, true),
137 FMT(YVU420, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 1, 1,
138 MDP_PLANE_PLANAR, CHROMA_420, true),
139};
140
141/*
142 * Note:
143 * @rgb_only must be set to true, when requesting
144 * supported formats for RGB pipes.
145 */
146uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats,
147 bool rgb_only)
148{
149 uint32_t i;
150 for (i = 0; i < ARRAY_SIZE(formats); i++) {
151 const struct mdp_format *f = &formats[i];
152
153 if (i == max_formats)
154 break;
155
156 if (rgb_only && MDP_FORMAT_IS_YUV(f))
157 break;
158
159 pixel_formats[i] = f->base.pixel_format;
160 }
161
162 return i;
163}
164
165const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format,
166 uint64_t modifier)
167{
168 int i;
169 for (i = 0; i < ARRAY_SIZE(formats); i++) {
170 const struct mdp_format *f = &formats[i];
171 if (f->base.pixel_format == format)
172 return &f->base;
173 }
174 return NULL;
175}
176
177struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type)
178{
179 if (WARN_ON(type >= CSC_MAX))
180 return NULL;
181
182 return &csc_convert[type];
183}
1/*
2 * Copyright (c) 2014 The Linux Foundation. All rights reserved.
3 * Copyright (C) 2013 Red Hat
4 * Author: Rob Clark <robdclark@gmail.com>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published by
8 * the Free Software Foundation.
9 *
10 * This program is distributed in the hope that 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 * You should have received a copy of the GNU General Public License along with
16 * this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19
20#include "msm_drv.h"
21#include "mdp_kms.h"
22
23static struct csc_cfg csc_convert[CSC_MAX] = {
24 [CSC_RGB2RGB] = {
25 .type = CSC_RGB2RGB,
26 .matrix = {
27 0x0200, 0x0000, 0x0000,
28 0x0000, 0x0200, 0x0000,
29 0x0000, 0x0000, 0x0200
30 },
31 .pre_bias = { 0x0, 0x0, 0x0 },
32 .post_bias = { 0x0, 0x0, 0x0 },
33 .pre_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
34 .post_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
35 },
36 [CSC_YUV2RGB] = {
37 .type = CSC_YUV2RGB,
38 .matrix = {
39 0x0254, 0x0000, 0x0331,
40 0x0254, 0xff37, 0xfe60,
41 0x0254, 0x0409, 0x0000
42 },
43 .pre_bias = { 0xfff0, 0xff80, 0xff80 },
44 .post_bias = { 0x00, 0x00, 0x00 },
45 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
46 .post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
47 },
48 [CSC_RGB2YUV] = {
49 .type = CSC_RGB2YUV,
50 .matrix = {
51 0x0083, 0x0102, 0x0032,
52 0x1fb5, 0x1f6c, 0x00e1,
53 0x00e1, 0x1f45, 0x1fdc
54 },
55 .pre_bias = { 0x00, 0x00, 0x00 },
56 .post_bias = { 0x10, 0x80, 0x80 },
57 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
58 .post_clamp = { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0 },
59 },
60 [CSC_YUV2YUV] = {
61 .type = CSC_YUV2YUV,
62 .matrix = {
63 0x0200, 0x0000, 0x0000,
64 0x0000, 0x0200, 0x0000,
65 0x0000, 0x0000, 0x0200
66 },
67 .pre_bias = { 0x00, 0x00, 0x00 },
68 .post_bias = { 0x00, 0x00, 0x00 },
69 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
70 .post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
71 },
72};
73
74#define FMT(name, a, r, g, b, e0, e1, e2, e3, alpha, tight, c, cnt, fp, cs, yuv) { \
75 .base = { .pixel_format = DRM_FORMAT_ ## name }, \
76 .bpc_a = BPC ## a ## A, \
77 .bpc_r = BPC ## r, \
78 .bpc_g = BPC ## g, \
79 .bpc_b = BPC ## b, \
80 .unpack = { e0, e1, e2, e3 }, \
81 .alpha_enable = alpha, \
82 .unpack_tight = tight, \
83 .cpp = c, \
84 .unpack_count = cnt, \
85 .fetch_type = fp, \
86 .chroma_sample = cs, \
87 .is_yuv = yuv, \
88}
89
90#define BPC0A 0
91
92/*
93 * Note: Keep RGB formats 1st, followed by YUV formats to avoid breaking
94 * mdp_get_rgb_formats()'s implementation.
95 */
96static const struct mdp_format formats[] = {
97 /* name a r g b e0 e1 e2 e3 alpha tight cpp cnt ... */
98 FMT(ARGB8888, 8, 8, 8, 8, 1, 0, 2, 3, true, true, 4, 4,
99 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
100 FMT(ABGR8888, 8, 8, 8, 8, 2, 0, 1, 3, true, true, 4, 4,
101 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
102 FMT(RGBA8888, 8, 8, 8, 8, 3, 1, 0, 2, true, true, 4, 4,
103 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
104 FMT(BGRA8888, 8, 8, 8, 8, 3, 2, 0, 1, true, true, 4, 4,
105 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
106 FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4,
107 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
108 FMT(XBGR8888, 8, 8, 8, 8, 2, 0, 1, 3, false, true, 4, 4,
109 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
110 FMT(RGBX8888, 8, 8, 8, 8, 3, 1, 0, 2, false, true, 4, 4,
111 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
112 FMT(BGRX8888, 8, 8, 8, 8, 3, 2, 0, 1, false, true, 4, 4,
113 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
114 FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3,
115 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
116 FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3,
117 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
118 FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3,
119 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
120 FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3,
121 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
122
123 /* --- RGB formats above / YUV formats below this line --- */
124
125 /* 2 plane YUV */
126 FMT(NV12, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
127 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
128 FMT(NV21, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
129 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
130 FMT(NV16, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
131 MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
132 FMT(NV61, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
133 MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
134 /* 1 plane YUV */
135 FMT(VYUY, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 2, 4,
136 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
137 FMT(UYVY, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 2, 4,
138 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
139 FMT(YUYV, 0, 8, 8, 8, 0, 1, 0, 2, false, true, 2, 4,
140 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
141 FMT(YVYU, 0, 8, 8, 8, 0, 2, 0, 1, false, true, 2, 4,
142 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
143 /* 3 plane YUV */
144 FMT(YUV420, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 1, 1,
145 MDP_PLANE_PLANAR, CHROMA_420, true),
146 FMT(YVU420, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 1, 1,
147 MDP_PLANE_PLANAR, CHROMA_420, true),
148};
149
150/*
151 * Note:
152 * @rgb_only must be set to true, when requesting
153 * supported formats for RGB pipes.
154 */
155uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats,
156 bool rgb_only)
157{
158 uint32_t i;
159 for (i = 0; i < ARRAY_SIZE(formats); i++) {
160 const struct mdp_format *f = &formats[i];
161
162 if (i == max_formats)
163 break;
164
165 if (rgb_only && MDP_FORMAT_IS_YUV(f))
166 break;
167
168 pixel_formats[i] = f->base.pixel_format;
169 }
170
171 return i;
172}
173
174const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format,
175 uint64_t modifier)
176{
177 int i;
178 for (i = 0; i < ARRAY_SIZE(formats); i++) {
179 const struct mdp_format *f = &formats[i];
180 if (f->base.pixel_format == format)
181 return &f->base;
182 }
183 return NULL;
184}
185
186struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type)
187{
188 if (unlikely(WARN_ON(type >= CSC_MAX)))
189 return NULL;
190
191 return &csc_convert[type];
192}