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} 186