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/*
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
* 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 "mdp_kms.h"
static struct csc_cfg csc_convert[CSC_MAX] = {
[CSC_RGB2RGB] = {
.type = CSC_RGB2RGB,
.matrix = {
0x0200, 0x0000, 0x0000,
0x0000, 0x0200, 0x0000,
0x0000, 0x0000, 0x0200
},
.pre_bias = { 0x0, 0x0, 0x0 },
.post_bias = { 0x0, 0x0, 0x0 },
.pre_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
.post_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
},
[CSC_YUV2RGB] = {
.type = CSC_YUV2RGB,
.matrix = {
0x0254, 0x0000, 0x0331,
0x0254, 0xff37, 0xfe60,
0x0254, 0x0409, 0x0000
},
.pre_bias = { 0xfff0, 0xff80, 0xff80 },
.post_bias = { 0x00, 0x00, 0x00 },
.pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
.post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
},
[CSC_RGB2YUV] = {
.type = CSC_RGB2YUV,
.matrix = {
0x0083, 0x0102, 0x0032,
0x1fb5, 0x1f6c, 0x00e1,
0x00e1, 0x1f45, 0x1fdc
},
.pre_bias = { 0x00, 0x00, 0x00 },
.post_bias = { 0x10, 0x80, 0x80 },
.pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
.post_clamp = { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0 },
},
[CSC_YUV2YUV] = {
.type = CSC_YUV2YUV,
.matrix = {
0x0200, 0x0000, 0x0000,
0x0000, 0x0200, 0x0000,
0x0000, 0x0000, 0x0200
},
.pre_bias = { 0x00, 0x00, 0x00 },
.post_bias = { 0x00, 0x00, 0x00 },
.pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
.post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
},
};
#define FMT(name, a, r, g, b, e0, e1, e2, e3, alpha, tight, c, cnt, fp, cs) { \
.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, \
.fetch_type = fp, \
.chroma_sample = cs \
}
#define BPC0A 0
/*
* Note: Keep RGB formats 1st, followed by YUV formats to avoid breaking
* mdp_get_rgb_formats()'s implementation.
*/
static const struct mdp_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,
MDP_PLANE_INTERLEAVED, CHROMA_RGB),
FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4,
MDP_PLANE_INTERLEAVED, CHROMA_RGB),
FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3,
MDP_PLANE_INTERLEAVED, CHROMA_RGB),
FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3,
MDP_PLANE_INTERLEAVED, CHROMA_RGB),
FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3,
MDP_PLANE_INTERLEAVED, CHROMA_RGB),
FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3,
MDP_PLANE_INTERLEAVED, CHROMA_RGB),
/* --- RGB formats above / YUV formats below this line --- */
FMT(NV12, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
MDP_PLANE_PSEUDO_PLANAR, CHROMA_420),
FMT(NV21, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
MDP_PLANE_PSEUDO_PLANAR, CHROMA_420),
};
/*
* Note:
* @rgb_only must be set to true, when requesting
* supported formats for RGB pipes.
*/
uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats,
bool rgb_only)
{
uint32_t i;
for (i = 0; i < ARRAY_SIZE(formats); i++) {
const struct mdp_format *f = &formats[i];
if (i == max_formats)
break;
if (rgb_only && MDP_FORMAT_IS_YUV(f))
break;
pixel_formats[i] = f->base.pixel_format;
}
return i;
}
const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format)
{
int i;
for (i = 0; i < ARRAY_SIZE(formats); i++) {
const struct mdp_format *f = &formats[i];
if (f->base.pixel_format == format)
return &f->base;
}
return NULL;
}
struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type)
{
if (unlikely(WARN_ON(type >= CSC_MAX)))
return NULL;
return &csc_convert[type];
}
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