/* set_raw.c  --  Set density to 0x82 to allow reading raw CD-DA frames.
 *
 * Send a Mode Select command via the USCSICMD facility of the CDROM driver
 * in SunOS 4.1.3. Set the Density to 0x82 and the Block Length to 2352.
 *
 * Author: Adrie Koolen (adrie@ica.philips.nl)
 */

#include <stdio.h>
#include <sys/types.h>
#include <scsi/scsi_types.h>
#include <scsi/impl/uscsi.h>

u_char scsibuf[] = {
	0x15,	/* MODE SELECT */
	0x10,	/* LUN */
	0x00,
	0x00,
	0x0c,
	0x00
};

u_char databuf[] = {
	0x00, 0x00, 0x00, 0x08,  0x82, 0x00, 0x00, 0x00, 0x00, 0x00, 0x09, 0x30
};

struct uscsi_cmd usc = {
	(caddr_t) scsibuf,
	sizeof(scsibuf),
	(caddr_t) databuf,
	sizeof(databuf),
	0,
	(USCSI_DIAGNOSE | USCSI_ISOLATE)
};

char *program;


main(argc, argv)
int argc;
char *argv[];
{
	int fd;
	int len;
	int i;

	program = argv[0];

	if ((fd = open("/dev/rsr0", 0)) < 0) 
		pfatal("open");

	if (ioctl(fd, USCSICMD, usc) < 0)
		pfatal("ioctl");

/****
	printf("ret len:%d\n", usc.uscsi_buflen);

	for (i = 0; i < usc.uscsi_buflen; i++) {
		if (!(i & 0xf))
			printf("\n%04x: ", i); printf("%02x ", databuf[i]);
	}

	printf("\n");
****/
}

pfatal(s)
char *s;
{
	fprintf(stderr, "%s: ", program);
	perror(s);
	fprintf(stderr, "\n");
	exit(1);
}