OpenCloudOS-Kernel/drivers/gpu/drm/msm/mdp4/mdp4_format.c

57 lines
2.0 KiB
C

/*
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "msm_drv.h"
#include "mdp4_kms.h"
#define FMT(name, a, r, g, b, e0, e1, e2, e3, alpha, tight, c, cnt) { \
.base = { .pixel_format = DRM_FORMAT_ ## name }, \
.bpc_a = BPC ## a ## A, \
.bpc_r = BPC ## r, \
.bpc_g = BPC ## g, \
.bpc_b = BPC ## b, \
.unpack = { e0, e1, e2, e3 }, \
.alpha_enable = alpha, \
.unpack_tight = tight, \
.cpp = c, \
.unpack_count = cnt, \
}
#define BPC0A 0
static const struct mdp4_format formats[] = {
/* name a r g b e0 e1 e2 e3 alpha tight cpp cnt */
FMT(ARGB8888, 8, 8, 8, 8, 1, 0, 2, 3, true, true, 4, 4),
FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4),
FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3),
FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3),
FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3),
FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3),
};
const struct msm_format *mdp4_get_format(struct msm_kms *kms, uint32_t format)
{
int i;
for (i = 0; i < ARRAY_SIZE(formats); i++) {
const struct mdp4_format *f = &formats[i];
if (f->base.pixel_format == format)
return &f->base;
}
return NULL;
}