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#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include "fb.h"
#include "matroxfb.h"
static int help(void) {
fprintf(stderr, "usage: matroxset [-f fbdev] [-o output] [-m] [value]\n"
"\n"
"where -f fbdev is fbdev device (default /dev/fb1)\n"
" -o output is output number to investigate (0=primary, 1=secondary=default)\n"
" -m says that CRTC->output mapping should be changed/retrieved\n"
" -p print information about blanking\n"
" value if present, value is set, if missing, value is retrieved\n"
"\n"
"For output mode, 128 means monitor, 1 = PAL TV, 2 = NTSC TV\n");
return 98;
}
int main(int argc, char* argv[]) {
char* fb = "/dev/fb1";
int fd;
struct matroxioc_output_mode mom;
struct fb_vblank vbl;
int rtn;
int output = MATROXFB_OUTPUT_SECONDARY;
int o_present = 0;
int m_present = 0;
int p_present = 0;
int act;
u_int32_t conns;
while ((rtn = getopt(argc, argv, "o:f:mhp")) != -1) {
switch (rtn) {
case 'o':
output = strtoul(optarg, NULL, 0);
o_present = 1;
break;
case 'm':
m_present = 1;
break;
case 'f':
fb = optarg;
break;
case 'p':
p_present = 1;
break;
case 'h':
return help();
default:
fprintf(stderr, "Bad commandline\n");
return 99;
}
}
act = 0;
if (p_present) {
if (m_present || o_present) {
fprintf(stderr, "You cannot use -p together with -m or -o\n");
return 95;
}
act = 4;
} else if (optind >= argc) {
if (m_present) {
if (o_present) {
fprintf(stderr, "You cannot use -m and -o together\n");
return 96;
}
act = 2;
} else {
mom.output = output;
mom.mode = 0;
}
} else {
if (m_present) {
conns = strtoul(argv[optind], NULL, 0);
act = 3;
} else {
mom.output = output;
mom.mode = strtoul(argv[optind], NULL, 0);
act = 1;
}
}
fd = open(fb, O_RDWR);
if (fd == -1) {
fprintf(stderr, "Cannot open %s: %s\n", fb, strerror(errno));
return 122;
}
switch (act) {
case 0:
rtn = ioctl(fd, MATROXFB_GET_OUTPUT_MODE, &mom);
if (rtn)
break;
printf("Output mode is %u\n", mom.mode);
break;
case 1:
rtn = ioctl(fd, MATROXFB_SET_OUTPUT_MODE, &mom);
break;
case 2:
rtn = ioctl(fd, MATROXFB_GET_OUTPUT_CONNECTION, &conns);
if (rtn)
break;
printf("This framebuffer is connected to outputs %08X\n", conns);
break;
case 3:
rtn = ioctl(fd, MATROXFB_SET_OUTPUT_CONNECTION, &conns);
break;
case 4:
#if 0
{ int i; for (i = 0; i < 1000000; i++) {
rtn = ioctl(fd, FBIOGET_VBLANK, &vbl);
if (rtn)
break;
}}
#else
rtn = ioctl(fd, FBIOGET_VBLANK, &vbl);
if (rtn)
break;
#endif
printf("VBlank flags: %08X\n", vbl.flags);
printf(" Symbolic: ");
{
static const struct { u_int32_t mask; const char* msg; } *ptr, vals[] = {
{ FB_VBLANK_HAVE_VBLANK, "vblank" },
{ FB_VBLANK_HAVE_HBLANK, "hblank" },
{ FB_VBLANK_HAVE_COUNT, "field no." },
{ FB_VBLANK_HAVE_VCOUNT, "line no." },
{ FB_VBLANK_HAVE_HCOUNT, "column no." },
{ FB_VBLANK_VBLANKING, "vblanking" },
{ FB_VBLANK_HBLANKING, "hblanking" },
{ 0, NULL }};
int ap = 0;
for (ptr = vals; ptr->msg; ptr++) {
if (vbl.flags & ptr->mask) {
if (ap) printf(", ");
printf(ptr->msg);
ap = 1;
}
}
if (!ap)
printf("none");
printf("\n");
}
printf("Field count: %12u\n", vbl.count);
printf("Vertical line: %12u\n", vbl.vcount);
printf("Horizontal column: %12u\n", vbl.hcount);
break;
default:
rtn = -1; errno = EINVAL;
break;
}
if (rtn) {
fprintf(stderr, "ioctl failed: %s\n", strerror(errno));
}
close(fd);
return 0;
}
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