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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(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3,
109 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
110 FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3,
111 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
112 FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3,
113 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
114 FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3,
115 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
116
117 /* --- RGB formats above / YUV formats below this line --- */
118
119 /* 2 plane YUV */
120 FMT(NV12, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
121 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
122 FMT(NV21, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
123 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
124 FMT(NV16, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
125 MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
126 FMT(NV61, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
127 MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
128 /* 1 plane YUV */
129 FMT(VYUY, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 2, 4,
130 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
131 FMT(UYVY, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 2, 4,
132 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
133 FMT(YUYV, 0, 8, 8, 8, 0, 1, 0, 2, false, true, 2, 4,
134 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
135 FMT(YVYU, 0, 8, 8, 8, 0, 2, 0, 1, false, true, 2, 4,
136 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
137 /* 3 plane YUV */
138 FMT(YUV420, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 1, 1,
139 MDP_PLANE_PLANAR, CHROMA_420, true),
140 FMT(YVU420, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 1, 1,
141 MDP_PLANE_PLANAR, CHROMA_420, true),
142};
143
144/*
145 * Note:
146 * @rgb_only must be set to true, when requesting
147 * supported formats for RGB pipes.
148 */
149uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats,
150 bool rgb_only)
151{
152 uint32_t i;
153 for (i = 0; i < ARRAY_SIZE(formats); i++) {
154 const struct mdp_format *f = &formats[i];
155
156 if (i == max_formats)
157 break;
158
159 if (rgb_only && MDP_FORMAT_IS_YUV(f))
160 break;
161
162 pixel_formats[i] = f->base.pixel_format;
163 }
164
165 return i;
166}
167
168const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format)
169{
170 int i;
171 for (i = 0; i < ARRAY_SIZE(formats); i++) {
172 const struct mdp_format *f = &formats[i];
173 if (f->base.pixel_format == format)
174 return &f->base;
175 }
176 return NULL;
177}
178
179struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type)
180{
181 if (unlikely(WARN_ON(type >= CSC_MAX)))
182 return NULL;
183
184 return &csc_convert[type];
185}