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main/fbdebug: build from new repo (!694)

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Bart Ribbers 2019-10-22 23:03:24 +02:00 committed by Oliver Smith
parent 9b0a3e4c4a
commit f23239d8d7
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2 changed files with 9 additions and 289 deletions
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19
main/fbdebug/APKBUILD
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@ -1,16 +1,15 @@
# Contributor: drebrez <drebrez@gmail.com> # Contributor: Daniele Debernardi <drebrez@gmail.com>
# Maintainer: drebrez <drebrez@gmail.com> # Maintainer: Daniele Debernardi <drebrez@gmail.com>
pkgname=fbdebug pkgname=fbdebug
pkgver=0.3 pkgver=1.0.0
pkgrel=0 pkgrel=0
pkgdesc="Framebuffer debugging tool" pkgdesc="Framebuffer debugging tool"
url="https://postmarketos.org" url="https://postmarketos.org"
arch="all" arch="all"
license="GPL2" license="GPL-3.0-or-later"
makedepends="linux-headers" makedepends="linux-headers"
source="fbdebug.c" source="https://gitlab.com/postmarketos/fbdebug/-/archive/$pkgver/fbdebug-$pkgver.tar.gz"
options="!check" options="!check" # No tests
builddir="$srcdir/"
build() { build() {
gcc fbdebug.c -o fbdebug.o -c gcc fbdebug.c -o fbdebug.o -c
@ -18,8 +17,8 @@ build() {
} }
package() { package() {
install -Dm755 "${builddir}/fbdebug" \ install -Dm755 fbdebug \
"${pkgdir}/usr/sbin/fbdebug" "$pkgdir"/usr/sbin/fbdebug
} }
sha512sums="c2b99024d4d3f1a47b5dcdff175b611d3c16175553076badafdaf9628ed85f95d955d09366a25d34a0f63a00c58bbdd063f6f531f60254b20420d47d7e3adb2f fbdebug.c" sha512sums="4a9c472ff47a10c8aad8c86b3c5f09b0b93f1a3da0e4bf70d0b09d4a8139d7b17f8e9630fc007c7f88c646e85910bb906249c64da7652a59dd3b256b578a48b4 fbdebug-1.0.0.tar.gz"

279
main/fbdebug/fbdebug.c
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@ -1,279 +0,0 @@
/*
Copyright (C) 2018 drebrez <drebrez@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.
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 <errno.h>
#include <fcntl.h>
#include <linux/fb.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
void usage(char *appname)
{
printf("Usage: %s [-d DEV] [-i] [-c length] [-p] [-m mode] [-h]\n\
-d Framebuffer device (default /dev/fb0)\n\
-i Show fixed and variable screen info\n\
-c Show colormap values (length 0-256)\n\
-p Perform the panning of the display\n\
-m Set mode: 0 => Normal\n\
2 => Standby\n\
3 => Suspend\n\
4 => Off\n\
-h Show this help\n",
appname);
}
void print_fix_screeninfo(struct fb_fix_screeninfo *scr_fix)
{
// ref: https://elixir.bootlin.com/linux/latest/ident/fb_fix_screeninfo
printf("Fixed screen info:\n");
printf("\tid = %s\n", scr_fix->id);
printf("\tsmem_start = %lu\n", scr_fix->smem_start);
printf("\tsmem_len = %u\n", scr_fix->smem_len);
printf("\ttype = %u\n", scr_fix->type);
printf("\ttype_aux = %u\n", scr_fix->type_aux);
printf("\tvisual = %u\n", scr_fix->visual);
printf("\txpanstep = %hu\n", scr_fix->xpanstep);
printf("\typanstep = %hu\n", scr_fix->ypanstep);
printf("\tywrapstep = %hu\n", scr_fix->ywrapstep);
printf("\tline_length = %u\n", scr_fix->line_length);
printf("\tmmio_start = %lu\n", scr_fix->mmio_start);
printf("\tmmio_len = %u\n", scr_fix->mmio_len);
printf("\taccel = %u\n", scr_fix->accel);
printf("\tcapabilities = %hu\n", scr_fix->capabilities);
printf("\treserved[0] = %hu\n", scr_fix->reserved[0]);
printf("\treserved[1] = %hu\n", scr_fix->reserved[1]);
}
void print_var_screeninfo(struct fb_var_screeninfo *scr_var)
{
// ref: https://elixir.bootlin.com/linux/latest/ident/fb_var_screeninfo
printf("Variable screen info:\n");
printf("\txres = %u\n", scr_var->xres);
printf("\tyres = %u\n", scr_var->yres);
printf("\txres_virtual = %u\n", scr_var->xres_virtual);
printf("\tyres_virtual = %u\n", scr_var->yres_virtual);
printf("\txoffset = %u\n", scr_var->xoffset);
printf("\tyoffset = %u\n", scr_var->yoffset);
printf("\tbits_per_pixel = %u\n", scr_var->bits_per_pixel);
printf("\tgrayscale = %u\n", scr_var->grayscale);
printf("\tred.offset = %u\n", scr_var->red.offset);
printf("\tred.length = %u\n", scr_var->red.length);
printf("\tred.msb_right = %u\n", scr_var->red.msb_right);
printf("\tgreen.offset = %u\n", scr_var->green.offset);
printf("\tgreen.length = %u\n", scr_var->green.length);
printf("\tgreen.msb_right = %u\n", scr_var->green.msb_right);
printf("\tblue.offset = %u\n", scr_var->blue.offset);
printf("\tblue.length = %u\n", scr_var->blue.length);
printf("\tblue.msb_right = %u\n", scr_var->blue.msb_right);
printf("\ttransp.offset = %u\n", scr_var->transp.offset);
printf("\ttransp.length = %u\n", scr_var->transp.length);
printf("\ttransp.msb_right = %u\n", scr_var->transp.msb_right);
printf("\tnonstd = %u\n", scr_var->nonstd);
printf("\tactivate = %u\n", scr_var->activate);
printf("\theight = %u\n", scr_var->height);
printf("\twidth = %u\n", scr_var->width);
printf("\taccel_flags = %u\n", scr_var->accel_flags);
printf("\tpixclock = %u\n", scr_var->pixclock);
printf("\tleft_margin = %u\n", scr_var->left_margin);
printf("\tright_margin = %u\n", scr_var->right_margin);
printf("\tupper_margin = %u\n", scr_var->upper_margin);
printf("\tlower_margin = %u\n", scr_var->lower_margin);
printf("\thsync_len = %u\n", scr_var->hsync_len);
printf("\tvsync_len = %u\n", scr_var->vsync_len);
printf("\tsync = %u\n", scr_var->sync);
printf("\tvmode = %u\n", scr_var->vmode);
printf("\trotate = %u\n", scr_var->rotate);
printf("\tcolorspace = %u\n", scr_var->colorspace);
printf("\treserved[0] = %u\n", scr_var->reserved[0]);
printf("\treserved[1] = %u\n", scr_var->reserved[1]);
printf("\treserved[2] = %u\n", scr_var->reserved[2]);
printf("\treserved[3] = %u\n", scr_var->reserved[3]);
}
void print_cmap(struct fb_cmap *scr_cmap)
{
// ref: https://elixir.bootlin.com/linux/latest/ident/fb_cmap
printf("Colormap:\n");
printf("\tstart = %u\n", scr_cmap->start);
printf("\tlen = %u\n", scr_cmap->len);
printf("\tred = ");
for (int i = 0; i < scr_cmap->len; i++) {
if (i > 0 && i % 8 == 0) {
printf("\n\t\t ");
}
printf("0x%04hX ", scr_cmap->red[i]);
}
printf("\n");
printf("\tgreen = ");
for (int i = 0; i < scr_cmap->len; i++) {
if (i > 0 && i % 8 == 0) {
printf("\n\t\t ");
}
printf("0x%04hX ", scr_cmap->green[i]);
}
printf("\n");
printf("\tblue = ");
for (int i = 0; i < scr_cmap->len; i++) {
if (i > 0 && i % 8 == 0) {
printf("\n\t\t ");
}
printf("0x%04hX ", scr_cmap->blue[i]);
}
printf("\n");
printf("\ttransp = ");
for (int i = 0; i < scr_cmap->len; i++) {
if (i > 0 && i % 8 == 0) {
printf("\n\t\t ");
}
printf("0x%04hX ", scr_cmap->transp[i]);
}
printf("\n");
}
int main(int argc, char **argv)
{
const char *fb_device;
struct fb_fix_screeninfo scr_fix;
struct fb_var_screeninfo scr_var;
struct fb_cmap scr_cmap;
int fb_fd;
// parse command line options
fb_device = "/dev/fb0";
bool show_info = false;
bool show_cmap = false;
int cmap_len;
bool pan_display = false;
bool set_fbmode = false;
int fbmode;
if (argc < 2) {
usage(argv[0]);
exit(1);
}
int opt;
while ((opt = getopt(argc, argv, "d:ic:pm:h")) != -1) {
switch (opt) {
case 'd':
fb_device = optarg;
break;
case 'i':
show_info = true;
break;
case 'c':
show_cmap = true;
cmap_len = atoi(optarg);
break;
case 'p':
pan_display = true;
break;
case 'm':
set_fbmode = true;
fbmode = atoi(optarg);
break;
case 'h':
default:
usage(argv[0]);
exit(1);
}
}
// open the framebuffer device
fb_fd = open(fb_device, O_RDWR);
if (fb_fd < 0) {
printf("Unable to open %s.\n", fb_device);
return 1;
}
// call ioctl. retrieve fixed screen info
if (ioctl(fb_fd, FBIOGET_FSCREENINFO, &scr_fix) < 0) {
printf("Unable to retrieve fixed screen info: %s\n",
strerror(errno));
close(fb_fd);
return 1;
}
// print all the fixed screen info values
if (show_info)
print_fix_screeninfo(&scr_fix);
// call ioctl. retrieve variable screen info
if (ioctl(fb_fd, FBIOGET_VSCREENINFO, &scr_var) < 0) {
printf("Unable to retrieve variable screen info: %s\n",
strerror(errno));
close(fb_fd);
return 1;
}
// print all the variable screen info values
if (show_info)
print_var_screeninfo(&scr_var);
// call ioctl. retrieve colormap
if (show_cmap) {
scr_cmap.start = 0;
scr_cmap.len = cmap_len;
scr_cmap.red = calloc(256, sizeof(unsigned short));
scr_cmap.green = calloc(256, sizeof(unsigned short));
scr_cmap.blue = calloc(256, sizeof(unsigned short));
scr_cmap.transp = calloc(256, sizeof(unsigned short));
if (ioctl(fb_fd, FBIOGETCMAP, &scr_cmap) < 0) {
printf("Unable to retrieve cmap info: %s\n",
strerror(errno));
free(scr_cmap.red);
free(scr_cmap.green);
free(scr_cmap.blue);
free(scr_cmap.transp);
close(fb_fd);
return 1;
}
// print all the cmap values
print_cmap(&scr_cmap);
free(scr_cmap.red);
free(scr_cmap.green);
free(scr_cmap.blue);
free(scr_cmap.transp);
}
if (pan_display) {
// call ioctl. pan the display
if (ioctl(fb_fd, FBIOPAN_DISPLAY, &scr_var) < 0) {
printf("Unable to pan the display: %s\n",
strerror(errno));
close(fb_fd);
return 1;
}
}
if (set_fbmode) {
if (ioctl(fb_fd, FBIOBLANK, (void *)fbmode) < 0) {
printf("Unable to set fb mode: %s\n",
strerror(errno));
close(fb_fd);
return 1;
}
}
// close the framebuffer device
close(fb_fd);
}