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yaft neutrinofb.h: add license, remove cmap stuff

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Origin commit data
------------------
Commit: 10a8cfd432
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2018-01-15 (Mon, 15 Jan 2018)
This commit is contained in:
Stefan Seyfried
2018-01-15 19:54:50 +01:00
committed by vanhofen
parent 0f373d2c97
commit b6ed46fb52
1 changed files with 39 additions and 32 deletions
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71
src/gui/widget/yaft/fb/neutrinofb.h
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@@ -1,35 +1,32 @@
/* See LICENSE for licence details. */
#include <linux/fb.h>
#include <linux/vt.h>
#include <linux/kd.h>
typedef struct fb_cmap cmap_t;
/*
* neutrino specific framebuffer stuff for yaft framebuffer terminal
* (C) 2018 Stefan Seyfried
* License: GPL-2.0
*
* 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.
*
* derived from yaft/fb/linux.h,
* original code
* Copyright (c) 2012 haru <uobikiemukot at gmail dot com>
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to permit
* persons to whom the Software is furnished to do so, subject to the
* following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*/
#include <driver/framebuffer.h>
enum {
CMAP_COLOR_LENGTH = sizeof(__u16) * BITS_PER_BYTE,
};
/* os specific ioctl */
void alloc_cmap(cmap_t *cmap, int colors)
{
cmap->start = 0;
cmap->len = colors;
cmap->red = (__u16 *) ecalloc(colors, sizeof(__u16));
cmap->green = (__u16 *) ecalloc(colors, sizeof(__u16));
cmap->blue = (__u16 *) ecalloc(colors, sizeof(__u16));
cmap->transp = NULL;
}
int put_cmap(int fd, cmap_t *cmap)
{
return ioctl(fd, FBIOPUTCMAP, cmap);
}
int get_cmap(int fd, cmap_t *cmap)
{
return ioctl(fd, FBIOGETCMAP, cmap);
}
/* initialize struct fb_info_t */
void set_bitfield(struct fb_var_screeninfo *vinfo,
struct bitfield_t *red, struct bitfield_t *green, struct bitfield_t *blue)
@@ -65,11 +62,11 @@ enum fb_visual_t set_visual(__u32 visual)
return YAFT_FB_VISUAL_UNKNOWN;
}
bool set_fbinfo(int fd, struct fb_info_t *info)
bool set_fbinfo(int /*fd*/, struct fb_info_t *info)
{
struct fb_fix_screeninfo finfo;
struct fb_var_screeninfo vinfo;
#if 0
if (ioctl(fd, FBIOGET_FSCREENINFO, &finfo)) {
logging(ERROR, "ioctl: FBIOGET_FSCREENINFO failed\n");
return false;
@@ -79,12 +76,20 @@ bool set_fbinfo(int fd, struct fb_info_t *info)
logging(ERROR, "ioctl: FBIOGET_VSCREENINFO failed\n");
return false;
}
#endif
struct fb_var_screeninfo *var = info->cfb->getScreenInfo();
memcpy(&vinfo, var, sizeof(struct fb_var_screeninfo));
memset(&finfo, 0, sizeof(struct fb_fix_screeninfo));
finfo.line_length = info->cfb->getStride(); // * (vinfo.bits_per_pixel / 8);
finfo.visual = FB_VISUAL_TRUECOLOR;
finfo.type = FB_TYPE_PACKED_PIXELS;
strcpy(finfo.id, "neutrino FB");
set_bitfield(&vinfo, &info->red, &info->green, &info->blue);
info->width = vinfo.xres;
info->height = vinfo.yres;
info->screen_size = finfo.smem_len;
info->width = info->cfb->getScreenWidth(); //vinfo.xres;
info->height = info->cfb->getScreenHeight(); //vinfo.yres;
info->screen_size = finfo.line_length * info->height; //vinfo.yres;
info->line_length = finfo.line_length;
info->bits_per_pixel = vinfo.bits_per_pixel;
@@ -96,8 +101,10 @@ bool set_fbinfo(int fd, struct fb_info_t *info)
/* check screen [xy]offset and initialize because linux console changes these values */
if (vinfo.xoffset != 0 || vinfo.yoffset != 0) {
vinfo.xoffset = vinfo.yoffset = 0;
#if 0
if (ioctl(fd, FBIOPUT_VSCREENINFO, &vinfo))
logging(WARN, "couldn't reset offset (x:%d y:%d)\n", vinfo.xoffset, vinfo.yoffset);
#endif
}
return true;