1/* 2 * Copyright (C) 2013 Red Hat 3 * Author: Rob Clark <robdclark@gmail.com> 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published by 7 * the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 19#include "msm_drv.h" 20#include "mdp_kms.h" 21 22#define FMT(name, a, r, g, b, e0, e1, e2, e3, alpha, tight, c, cnt) { \ 23 .base = { .pixel_format = DRM_FORMAT_ ## name }, \ 24 .bpc_a = BPC ## a ## A, \ 25 .bpc_r = BPC ## r, \ 26 .bpc_g = BPC ## g, \ 27 .bpc_b = BPC ## b, \ 28 .unpack = { e0, e1, e2, e3 }, \ 29 .alpha_enable = alpha, \ 30 .unpack_tight = tight, \ 31 .cpp = c, \ 32 .unpack_count = cnt, \ 33 } 34 35#define BPC0A 0 36 37static const struct mdp_format formats[] = { 38 /* name a r g b e0 e1 e2 e3 alpha tight cpp cnt */ 39 FMT(ARGB8888, 8, 8, 8, 8, 1, 0, 2, 3, true, true, 4, 4), 40 FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4), 41 FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3), 42 FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3), 43 FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3), 44 FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3), 45}; 46 47uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats) 48{ 49 uint32_t i; 50 for (i = 0; i < ARRAY_SIZE(formats); i++) { 51 const struct mdp_format *f = &formats[i]; 52 53 if (i == max_formats) 54 break; 55 56 pixel_formats[i] = f->base.pixel_format; 57 } 58 59 return i; 60} 61 62const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format) 63{ 64 int i; 65 for (i = 0; i < ARRAY_SIZE(formats); i++) { 66 const struct mdp_format *f = &formats[i]; 67 if (f->base.pixel_format == format) 68 return &f->base; 69 } 70 return NULL; 71} 72