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linux-zen-desktop/drivers/gpu/drm/msm/disp/mdp_format.c

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Initial commit
2023-08-30 17:31:07 +02:00
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
* Copyright (C) 2013 Red Hat
* Author: Rob Clark <robdclark@gmail.com>
*/
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#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, yuv) { \
.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, \
.is_yuv = yuv, \
}
#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_FULL, false),
FMT(ABGR8888, 8, 8, 8, 8, 2, 0, 1, 3, true, true, 4, 4,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(RGBA8888, 8, 8, 8, 8, 3, 1, 0, 2, true, true, 4, 4,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(BGRA8888, 8, 8, 8, 8, 3, 2, 0, 1, true, true, 4, 4,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(XBGR8888, 8, 8, 8, 8, 2, 0, 1, 3, false, true, 4, 4,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(RGBX8888, 8, 8, 8, 8, 3, 1, 0, 2, false, true, 4, 4,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(BGRX8888, 8, 8, 8, 8, 3, 2, 0, 1, false, true, 4, 4,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3,
MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
/* --- RGB formats above / YUV formats below this line --- */
/* 2 plane YUV */
FMT(NV12, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
FMT(NV21, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
FMT(NV16, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
FMT(NV61, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
/* 1 plane YUV */
FMT(VYUY, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 2, 4,
MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
FMT(UYVY, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 2, 4,
MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
FMT(YUYV, 0, 8, 8, 8, 0, 1, 0, 2, false, true, 2, 4,
MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
FMT(YVYU, 0, 8, 8, 8, 0, 2, 0, 1, false, true, 2, 4,
MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
/* 3 plane YUV */
FMT(YUV420, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 1, 1,
MDP_PLANE_PLANAR, CHROMA_420, true),
FMT(YVU420, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 1, 1,
MDP_PLANE_PLANAR, CHROMA_420, true),
};
/*
* 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,
uint64_t modifier)
{
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 (WARN_ON(type >= CSC_MAX))
return NULL;
return &csc_convert[type];
}