diff options
Diffstat (limited to 'TVout/matroxset/matroxset.c')
| -rw-r--r-- | TVout/matroxset/matroxset.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/TVout/matroxset/matroxset.c b/TVout/matroxset/matroxset.c new file mode 100644 index 0000000000..af989156f9 --- /dev/null +++ b/TVout/matroxset/matroxset.c @@ -0,0 +1,162 @@ +#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; +} + |