57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
|
/*
|
||
|
|
* simplefb.h - Simple Framebuffer Device
|
||
|
|
*
|
||
|
|
* Copyright (C) 2013 David Herrmann <dh.herrmann@gmail.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation; either version 2 of the License, or
|
||
|
|
* (at your option) any later version.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __PLATFORM_DATA_SIMPLEFB_H__
|
||
|
|
#define __PLATFORM_DATA_SIMPLEFB_H__
|
||
|
|
|
||
|
|
#include <drm/drm_fourcc.h>
|
||
|
|
#include <linux/fb.h>
|
||
|
|
#include <linux/kernel.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 }, \
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* 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: 32bit 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__ */
|