wsdisplay_test.c

#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <sys/ioctl.h>

#include <dev/wscons/wsconsio.h>

uint	gtype;
uint	gmode;
uint	orig_gmode;

struct wsdisplay_fbinfo ws_fbinfo;

int
main()
{
	int fd, ret;
	unsigned int data;

/*
	fd = open("/dev/wsdisplay0", O_RDWR, 0666);
*/
	fd = open("/dev/ttyC0", O_RDWR, 0666);

	if (fd == -1) {
		perror("open");
		return 1;
	}

	ioctl(fd, WSDISPLAYIO_GTYPE, &gtype);
	printf("GTYPE: %d\n", gtype);

	ioctl(fd, WSDISPLAYIO_GMODE, &orig_gmode);
	printf("GMODE: %d\n", orig_gmode);

	gmode = WSDISPLAYIO_MODE_MAPPED;

	ret = ioctl(fd, WSDISPLAYIO_SMODE, &gmode);
	printf("WSDISPLAYIO_SMODE:\n");
	printf("\treturn = %d\n", ret);

	ioctl(fd, WSDISPLAYIO_GINFO, &ws_fbinfo);
	printf("WSDISPLAYIO_GINFO: %d %d %d %d\n",
		ws_fbinfo.height, ws_fbinfo.width,
		ws_fbinfo.depth, ws_fbinfo.cmsize);
	
	ret = ioctl(fd, WSDISPLAYIO_GETSUPPORTEDDEPTH, &data);
	printf("WSDISPLAYIO_GETSUPPORTEDDEPTH: %x\n", data);

        {
                struct wsdisplay_gfx_mode  gfx_mode ;

                gfx_mode.width = 1280;
                gfx_mode.height = 1024;
                gfx_mode.depth = 1;

                if (ioctl(fd , WSDISPLAYIO_SETGFXMODE , &gfx_mode) == -1)
			printf("WSDISPLAYIO_SETGFXMODE failed\n");
        }

	ret = ioctl(fd, WSDISPLAYIO_SMODE, &orig_gmode);
	printf("WSDISPLAYIO_SMODE:\n");
	printf("\treturn = %d\n", ret);

	close(fd);

	return 0;
}