/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* simplefb . h - Simple Framebuffer Device
*
* Copyright ( C ) 2013 David Herrmann < dh . herrmann @ gmail . com >
*/
#ifndef __PLATFORM_DATA_SIMPLEFB_H__
#define __PLATFORM_DATA_SIMPLEFB_H__
#include <drm/drm_fourcc.h>
#include <linux/fb.h>
#include <linux/types.h>
/* format array, use it to initialize a "struct simplefb_format" array */
#define SIMPLEFB_FORMATS \
{ \
{ "r5g6b5" , 16 , {11 , 5 }, {5 , 6 }, {0 , 5 }, {0 , 0 }, DRM_FORMAT_RGB565 }, \
{ "r5g5b5a1" , 16 , {11 , 5 }, {6 , 5 }, {1 , 5 }, {0 , 1 }, DRM_FORMAT_RGBA5551 }, \
{ "x1r5g5b5" , 16 , {10 , 5 }, {5 , 5 }, {0 , 5 }, {0 , 0 }, DRM_FORMAT_XRGB1555 }, \
{ "a1r5g5b5" , 16 , {10 , 5 }, {5 , 5 }, {0 , 5 }, {15 , 1 }, DRM_FORMAT_ARGB1555 }, \
{ "r8g8b8" , 24 , {16 , 8 }, {8 , 8 }, {0 , 8 }, {0 , 0 }, DRM_FORMAT_RGB888 }, \
{ "x8r8g8b8" , 32 , {16 , 8 }, {8 , 8 }, {0 , 8 }, {0 , 0 }, DRM_FORMAT_XRGB8888 }, \
{ "a8r8g8b8" , 32 , {16 , 8 }, {8 , 8 }, {0 , 8 }, {24 , 8 }, DRM_FORMAT_ARGB8888 }, \
{ "x8b8g8r8" , 32 , {0 , 8 }, {8 , 8 }, {16 , 8 }, {0 , 0 }, DRM_FORMAT_XBGR8888 }, \
{ "a8b8g8r8" , 32 , {0 , 8 }, {8 , 8 }, {16 , 8 }, {24 , 8 }, DRM_FORMAT_ABGR8888 }, \
{ "x2r10g10b10" , 32 , {20 , 10 }, {10 , 10 }, {0 , 10 }, {0 , 0 }, DRM_FORMAT_XRGB2101010 }, \
{ "a2r10g10b10" , 32 , {20 , 10 }, {10 , 10 }, {0 , 10 }, {30 , 2 }, DRM_FORMAT_ARGB2101010 }, \
}
/*
* Data - Format for Simple - Framebuffers
* @ name : unique 0 - terminated name that can be used to identify the mode
* @ red , green , blue : Offsets and sizes of the single RGB parts
* @ transp : Offset and size of the alpha bits . length = 0 means no alpha
* @ fourcc : 32 bit DRM four - CC code ( see drm_fourcc . h )
*/
struct simplefb_format {
const char *name;
u32 bits_per_pixel;
struct fb_bitfield red;
struct fb_bitfield green;
struct fb_bitfield blue;
struct fb_bitfield transp;
u32 fourcc;
};
/*
* Simple - Framebuffer description
* If the arch - boot code creates simple - framebuffers without DT support , it
* can pass the width , height , stride and format via this platform - data object .
* The framebuffer location must be given as IORESOURCE_MEM resource .
* @ format must be a format as described in " struct simplefb_format " above .
*/
struct simplefb_platform_data {
u32 width;
u32 height;
u32 stride;
const char *format;
};
#endif /* __PLATFORM_DATA_SIMPLEFB_H__ */
Messung V0.5 in Prozent C=93 H=97 G=94
¤ Dauer der Verarbeitung: 0.13 Sekunden
(vorverarbeitet am 2026-09-27)
¤
*© Formatika GbR, Deutschland