diff options
Diffstat (limited to 'drivers/gpu/drm/msm/mdp4/mdp4_format.c')
| -rw-r--r-- | drivers/gpu/drm/msm/mdp4/mdp4_format.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/mdp4/mdp4_format.c b/drivers/gpu/drm/msm/mdp4/mdp4_format.c new file mode 100644 index 000000000000..7b645f2e837a --- /dev/null +++ b/drivers/gpu/drm/msm/mdp4/mdp4_format.c @@ -0,0 +1,56 @@ +/* + * 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; +} |