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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
9#include "msm_drv.h"
10#include "mdp_kms.h"
11
12static struct csc_cfg csc_convert[CSC_MAX] = {
13 [CSC_RGB2RGB] = {
14 .type = CSC_RGB2RGB,
15 .matrix = {
16 0x0200, 0x0000, 0x0000,
17 0x0000, 0x0200, 0x0000,
18 0x0000, 0x0000, 0x0200
19 },
20 .pre_bias = { 0x0, 0x0, 0x0 },
21 .post_bias = { 0x0, 0x0, 0x0 },
22 .pre_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
23 .post_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
24 },
25 [CSC_YUV2RGB] = {
26 .type = CSC_YUV2RGB,
27 .matrix = {
28 0x0254, 0x0000, 0x0331,
29 0x0254, 0xff37, 0xfe60,
30 0x0254, 0x0409, 0x0000
31 },
32 .pre_bias = { 0xfff0, 0xff80, 0xff80 },
33 .post_bias = { 0x00, 0x00, 0x00 },
34 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
35 .post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
36 },
37 [CSC_RGB2YUV] = {
38 .type = CSC_RGB2YUV,
39 .matrix = {
40 0x0083, 0x0102, 0x0032,
41 0x1fb5, 0x1f6c, 0x00e1,
42 0x00e1, 0x1f45, 0x1fdc
43 },
44 .pre_bias = { 0x00, 0x00, 0x00 },
45 .post_bias = { 0x10, 0x80, 0x80 },
46 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
47 .post_clamp = { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0 },
48 },
49 [CSC_YUV2YUV] = {
50 .type = CSC_YUV2YUV,
51 .matrix = {
52 0x0200, 0x0000, 0x0000,
53 0x0000, 0x0200, 0x0000,
54 0x0000, 0x0000, 0x0200
55 },
56 .pre_bias = { 0x00, 0x00, 0x00 },
57 .post_bias = { 0x00, 0x00, 0x00 },
58 .pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
59 .post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
60 },
61};
62
63#define FMT(name, a, r, g, b, e0, e1, e2, e3, alpha, tight, c, cnt, fp, cs, yuv) { \
64 .base = { .pixel_format = DRM_FORMAT_ ## name }, \
65 .bpc_a = BPC ## a ## A, \
66 .bpc_r = BPC ## r, \
67 .bpc_g = BPC ## g, \
68 .bpc_b = BPC ## b, \
69 .unpack = { e0, e1, e2, e3 }, \
70 .alpha_enable = alpha, \
71 .unpack_tight = tight, \
72 .cpp = c, \
73 .unpack_count = cnt, \
74 .fetch_type = fp, \
75 .chroma_sample = cs, \
76 .is_yuv = yuv, \
77}
78
79#define BPC0A 0
80
81/*
82 * Note: Keep RGB formats 1st, followed by YUV formats to avoid breaking
83 * mdp_get_rgb_formats()'s implementation.
84 */
85static const struct mdp_format formats[] = {
86 /* name a r g b e0 e1 e2 e3 alpha tight cpp cnt ... */
87 FMT(ARGB8888, 8, 8, 8, 8, 1, 0, 2, 3, true, true, 4, 4,
88 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
89 FMT(ABGR8888, 8, 8, 8, 8, 2, 0, 1, 3, true, true, 4, 4,
90 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
91 FMT(RGBA8888, 8, 8, 8, 8, 3, 1, 0, 2, true, true, 4, 4,
92 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
93 FMT(BGRA8888, 8, 8, 8, 8, 3, 2, 0, 1, true, true, 4, 4,
94 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
95 FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4,
96 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
97 FMT(XBGR8888, 8, 8, 8, 8, 2, 0, 1, 3, false, true, 4, 4,
98 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
99 FMT(RGBX8888, 8, 8, 8, 8, 3, 1, 0, 2, false, true, 4, 4,
100 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
101 FMT(BGRX8888, 8, 8, 8, 8, 3, 2, 0, 1, false, true, 4, 4,
102 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
103 FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3,
104 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
105 FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3,
106 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
107 FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3,
108 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
109 FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3,
110 MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
111
112 /* --- RGB formats above / YUV formats below this line --- */
113
114 /* 2 plane YUV */
115 FMT(NV12, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
116 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
117 FMT(NV21, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
118 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
119 FMT(NV16, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
120 MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
121 FMT(NV61, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
122 MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
123 /* 1 plane YUV */
124 FMT(VYUY, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 2, 4,
125 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
126 FMT(UYVY, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 2, 4,
127 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
128 FMT(YUYV, 0, 8, 8, 8, 0, 1, 0, 2, false, true, 2, 4,
129 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
130 FMT(YVYU, 0, 8, 8, 8, 0, 2, 0, 1, false, true, 2, 4,
131 MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
132 /* 3 plane YUV */
133 FMT(YUV420, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 1, 1,
134 MDP_PLANE_PLANAR, CHROMA_420, true),
135 FMT(YVU420, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 1, 1,
136 MDP_PLANE_PLANAR, CHROMA_420, true),
137};
138
139/*
140 * Note:
141 * @rgb_only must be set to true, when requesting
142 * supported formats for RGB pipes.
143 */
144uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats,
145 bool rgb_only)
146{
147 uint32_t i;
148 for (i = 0; i < ARRAY_SIZE(formats); i++) {
149 const struct mdp_format *f = &formats[i];
150
151 if (i == max_formats)
152 break;
153
154 if (rgb_only && MDP_FORMAT_IS_YUV(f))
155 break;
156
157 pixel_formats[i] = f->base.pixel_format;
158 }
159
160 return i;
161}
162
163const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format,
164 uint64_t modifier)
165{
166 int i;
167 for (i = 0; i < ARRAY_SIZE(formats); i++) {
168 const struct mdp_format *f = &formats[i];
169 if (f->base.pixel_format == format)
170 return &f->base;
171 }
172 return NULL;
173}
174
175struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type)
176{
177 if (WARN_ON(type >= CSC_MAX))
178 return NULL;
179
180 return &csc_convert[type];
181}