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) { \ 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} 88 89#define BPC0A 0 90 91/* 92 * Note: Keep RGB formats 1st, followed by YUV formats to avoid breaking 93 * mdp_get_rgb_formats()'s implementation. 94 */ 95static const struct mdp_format formats[] = { 96 /* name a r g b e0 e1 e2 e3 alpha tight cpp cnt ... */ 97 FMT(ARGB8888, 8, 8, 8, 8, 1, 0, 2, 3, true, true, 4, 4, 98 MDP_PLANE_INTERLEAVED, CHROMA_RGB), 99 FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4, 100 MDP_PLANE_INTERLEAVED, CHROMA_RGB), 101 FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3, 102 MDP_PLANE_INTERLEAVED, CHROMA_RGB), 103 FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3, 104 MDP_PLANE_INTERLEAVED, CHROMA_RGB), 105 FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3, 106 MDP_PLANE_INTERLEAVED, CHROMA_RGB), 107 FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3, 108 MDP_PLANE_INTERLEAVED, CHROMA_RGB), 109 110 /* --- RGB formats above / YUV formats below this line --- */ 111 112 FMT(NV12, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2, 113 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420), 114 FMT(NV21, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2, 115 MDP_PLANE_PSEUDO_PLANAR, CHROMA_420), 116}; 117 118/* 119 * Note: 120 * @rgb_only must be set to true, when requesting 121 * supported formats for RGB pipes. 122 */ 123uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats, 124 bool rgb_only) 125{ 126 uint32_t i; 127 for (i = 0; i < ARRAY_SIZE(formats); i++) { 128 const struct mdp_format *f = &formats[i]; 129 130 if (i == max_formats) 131 break; 132 133 if (rgb_only && MDP_FORMAT_IS_YUV(f)) 134 break; 135 136 pixel_formats[i] = f->base.pixel_format; 137 } 138 139 return i; 140} 141 142const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format) 143{ 144 int i; 145 for (i = 0; i < ARRAY_SIZE(formats); i++) { 146 const struct mdp_format *f = &formats[i]; 147 if (f->base.pixel_format == format) 148 return &f->base; 149 } 150 return NULL; 151} 152 153struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type) 154{ 155 if (unlikely(WARN_ON(type >= CSC_MAX))) 156 return NULL; 157 158 return &csc_convert[type]; 159} 160