drv_jvc.c

刻录光盘的程序

	/*
	 * Set pre-gap (pause - index 0)
	 */
	set_pgm_subcode(&sc, SC_P,
			st2mode[trackp->sectype&ST_MASK], ADR_POS, track, 0);

	if (lverbose > 1)
		scsiprbytes("Subcode:", (u_char *)&sc, sizeof(sc));

	status = set_subcode(scgp, (u_char *)&sc, sizeof(sc));
	if (status < 0)
		return (status);

	pregapsize = trackp->pregapsize;
	if (!is_audio(trackp)) {
		lba_addr += 5;	/* link & run in blocks */
		pregapsize -= 5;
	}
	if (lverbose > 1) {
		printf("pad_track(%ld, %ld)-> %ld\n",
			lba_addr, pregapsize, lba_addr + pregapsize);
	}
	if (pad_track(scgp, dp, track, trackp,
			lba_addr, pregapsize*trackp->secsize,
			FALSE, (long *)0) < 0)
		return (-1);
}

	blocks = trackp->tracksize/trackp->secsize +
		 (trackp->tracksize%trackp->secsize?1:0);
	blocks += trackp->padsize/trackp->secsize +
		 (trackp->padsize%trackp->secsize?1:0);
	if (blocks < 300)
		blocks = 300;
	if (!is_audio(trackp))
		blocks += 2;
if (!is_last(trackp) && trackp[1].pregapsize == 0)
		blocks -= 150;

	/*
	 * set the limits for the new subcode - seems to apply to all
	 * of the data track.
	 * Unknown tracksize is handled in open_session.
	 * We definitely need to know the tracksize in this driver.
	 */
	if (lverbose > 1) {
		printf("set_limits(%ld, %ld)-> %ld\n",
			lba_addr, blocks, lba_addr + blocks);
	}
	status = set_limits(scgp, lba_addr, blocks);
	if (status < 0)
		return (status);

	/*
	 * Set track start (index 1)
	 */
	set_pgm_subcode(&sc, SC_TR,
			st2mode[trackp->sectype&ST_MASK], ADR_POS, track, 1);

	if (lverbose > 1)
		scsiprbytes("Subcode:", (u_char *)&sc, sizeof(sc));

	status = set_subcode(scgp, (u_char *)&sc, sizeof(sc));
	if (status < 0)
		return (status);

if (!is_last(trackp) && trackp[1].pregapsize == 0) {
	blocks += lba_addr;
	pregapsize = 150;

	if (lverbose > 1) {
		printf("set_limits(%ld, %ld)-> %ld\n",
		blocks, pregapsize, blocks + pregapsize);
	}

	status = set_limits(scgp, blocks, pregapsize);
	if (status < 0)
		return (status);

	/*
	 * Set pre-gap (pause - index 0)
	 */
	track++;
	trackp++;
	set_pgm_subcode(&sc, SC_P,
			st2mode[trackp->sectype&ST_MASK], ADR_POS, track, 0);

	if (lverbose > 1)
		scsiprbytes("Subcode:", (u_char *)&sc, sizeof(sc));

	status = set_subcode(scgp, (u_char *)&sc, sizeof(sc));
	if (status < 0)
		return (status);
}
	return (status);
}

LOCAL	char	sector[3000];

LOCAL int
close_track_teac(scgp, track, trackp)
	SCSI	*scgp;
	int	track;
	track_t	*trackp;
{
	int	ret = 0;

	if (!last_done) {
		printf("WARNING: adding dummy block to close track.\n");
		/*
		 * need read sector size
		 * XXX do we really need this ?
		 * XXX if we need this can we set blocks to 0 ?
		 */
		ret =  write_teac_xg1(scgp, sector, lba_addr, 2352, 1, FALSE);
		lba_addr++;
	}
	if (!is_audio(trackp))
		lba_addr += 2;
	teac_wr_pma(scgp);
	return (ret);
}



static const char *sd_teac50_error_str[] = {
	"\100\200diagnostic failure on component parts",	/* 40 80 */
	"\100\201diagnostic failure on memories",		/* 40 81 */
	"\100\202diagnostic failure on cd-rom ecc circuit",	/* 40 82 */
	"\100\203diagnostic failure on gate array",		/* 40 83 */
	"\100\204diagnostic failure on internal SCSI controller",	/* 40 84 */
	"\100\205diagnostic failure on servo processor",	/* 40 85 */
	"\100\206diagnostic failure on program rom",		/* 40 86 */
	"\100\220thermal sensor failure",			/* 40 90 */
	"\200\000controller prom error",			/* 80 00 */	/* JVC */
	"\201\000no disk present - couldn't get focus",		/* 81 00 */	/* JVC */
	"\202\000no cartridge present",				/* 82 00 */	/* JVC */
	"\203\000unable to spin up",				/* 83 00 */	/* JVC */
	"\204\000addr exceeded the last valid block addr",	/* 84 00 */	/* JVC */
	"\205\000sync error",					/* 85 00 */	/* JVC */
	"\206\000address can't find or not data track",		/* 86 00 */	/* JVC */
	"\207\000missing track",				/* 87 00 */	/* JVC */
	"\213\000cartridge could not be ejected",		/* 8B 00 */	/* JVC */
	"\215\000audio not playing",				/* 8D 00 */	/* JVC */
	"\216\000read toc error",				/* 8E 00 */	/* JVC */
	"\217\000a blank disk is detected by read toc",		/* 8F 00 */
	"\220\000pma less disk - not a recordable disk",	/* 90 00 */
	"\223\000mount error",					/* 93 00 */	/* JVC */
	"\224\000toc less disk",				/* 94 00 */
	"\225\000disc information less disk",			/* 95 00 */	/* JVC */
	"\226\000disc information read error",			/* 96 00 */	/* JVC */
	"\227\000linear velocity measurement error",		/* 97 00 */	/* JVC */
	"\230\000drive sequence stop",				/* 98 00 */	/* JVC */
	"\231\000actuator velocity control error",		/* 99 00 */	/* JVC */
	"\232\000slider velocity control error",		/* 9A 00 */	/* JVC */
	"\233\000opc initialize error",				/* 9B 00 */
	"\233\001power calibration not executed",		/* 9B 01 */
	"\234\000opc execution eror",				/* 9C 00 */
	"\234\001alpc error - opc execution",			/* 9C 01 */
	"\234\002opc execution timeout",			/* 9C 02 */
	"\245\000disk application code does not match host application code",	/* A5 00 */
	"\255\000completed preview write",			/* AD 00 */
	"\256\000invalid B0 value",				/* AE 00 */	/* JVC */
	"\257\000pca area full",				/* AF 00 */
	"\260\000efm isn't detected",				/* B0 00 */	/* JVC */
	"\263\000no logical sector",				/* B3 00 */	/* JVC */
	"\264\000full pma area",				/* B4 00 */
	"\265\000read address is atip area - blank",		/* B5 00 */
	"\266\000write address is efm area - aleady written",	/* B6 00 */
	"\271\000abnormal spinning - servo irq",		/* B9 00 */	/* JVC */
	"\272\000no write data - buffer empty",			/* BA 00 */
	"\273\000write emergency occurred",			/* BB 00 */
	"\274\000read timeout",					/* BC 00 */	/* JVC */
	"\277\000abnormal spin - nmi",				/* BF 00 */	/* JVC */
	"\301\0004th run-in block detected",			/* C1 00 */
	"\302\0003rd run-in block detected",			/* C2 00 */
	"\303\0002nd run-in block detected",			/* C3 00 */
	"\304\0001st run-in block detected",			/* C4 00 */
	"\305\000link block detected",				/* C5 00 */
	"\306\0001st run-out block detected",			/* C6 00 */
	"\307\0002nd run-out block detected",			/* C7 00 */
	"\314\000write request means mixed data mode",		/* CC 00 */
	"\315\000unable to ensure reliable writing with the inserted disk - unsupported disk",	/* CD 00 */
	"\316\000unable to ensure reliable writing as the inserted disk does not support speed",/* CE 00 */
	"\317\000unable to ensure reliable writing as the inserted disk has no char id code",	/* CF 00 */
	NULL
};

LOCAL int
teac_attach(scgp, dp)
	SCSI	*scgp;
	cdr_t	*dp;
{
	scsi_setnonstderrs(scgp, sd_teac50_error_str);
#ifdef	XXDEBUG
	xxtest_teac(scgp);
	exit(0);
#endif
	return (0);
}

LOCAL int
teac_fixation(scgp, onp, dummy, toctype, tracks, trackp)
	SCSI	*scgp;
	int	onp;
	int	dummy;
	int	toctype;
	int	tracks;
	track_t	*trackp;
{
	long	lba;
	int	status;
	u_char	*sp;
	int	i;
extern	char	*buf;

	if (tracks < 1) {
		/*
		 * We come here if cdrecord isonly called with the -fix option.
		 * As long as we cannot read and interpret the PMA, we must
		 * abort here.
		 */
		teac_rd_pma(scgp);
/*		errmsgno(EX_BAD, "Cannot fixate zero track disk.\n");;*/
		errmsgno(EX_BAD, "Cannot fixate without track list (not yet implemented).\n");;
		return (-1);
	}
	sp = (u_char *)buf;

	sleep(1);

	status = clear_subcode(scgp);
	sleep(1);
	if (status < 0)
		return (status);

	sp[0] = 0;		/* reserved */
	sp[1] = 0;		/* reserved */
	sp[2] = 0;		/* Q TNO */

	sp = &sp[3];		/* point past header */

	/*
	 * Set up TOC entries for all tracks
	 */
	for(i=1; i <= tracks; i++) {
		lba = trackp[i].trackstart+150;	/* MSF=00:02:00 is LBA=0 */

		sp = set_toc_subcode(sp,
				/* ctrl/adr for this track */
				st2mode[trackp[i].sectype&ST_MASK], ADR_POS,
					trackp[i].trackno, lba);
	}

	/*
	 * Set first track on disk
	 *
	 * XXX We set the track type for the lead-in to the track type
	 * XXX of the first track. The TEAC manual states that we should use
	 * XXX audio if the disk contains both, audio and data tracks.
	 */
	sp = set_lin_subcode(sp,
		/* ctrl/adr for first track */
		st2mode[trackp[1].sectype&ST_MASK], ADR_POS,
		0xA0,				/* Point A0 */
		trackp[1].trackno,		/* first track # */
		toc2sess[toctype & TOC_MASK],	/* disk type */
		0);				/* reserved */

	/*
	 * Set last track on disk
	 */
	sp = set_lin_subcode(sp,
		/* ctrl/adr for first track */
		st2mode[trackp[1].sectype&ST_MASK], ADR_POS,
		0xA1,				/* Point A1 */
		MSF_CONV(trackp[tracks].trackno),/* last track # */
		0,				/* reserved */
		0);				/* reserved */

	/*
	 * Set start of lead out area in MSF
	 * MSF=00:02:00 is LBA=0
	 */
	lba = lba_addr + 150;
	if (lverbose > 1)
	printf("lba: %ld lba_addr: %ld\n", lba, lba_addr);

	if (lverbose > 1)
	printf("Lead out start: (%02d:%02d/%02d)\n",
			minutes(lba*2352),
			seconds(lba*2352),
			frames(lba*2352));

	sp = set_lin_subcode(sp,
		/* ctrl/adr for first track */
		st2mode[trackp[1].sectype&ST_MASK], ADR_POS,
		0xA2,				/* Point A2 */
		MSF_CONV(LBA_MIN(lba)),
		MSF_CONV(LBA_SEC(lba)),
		MSF_CONV(LBA_FRM(lba)));

	status = sp - ((u_char *)buf);
	if (lverbose > 1) {
		printf("Subcode len: %d\n", status);
		scsiprbytes("Subcode:", (u_char *)buf, status);
	}
	status = set_subcode(scgp, (u_char *)buf, status);
	sleep(1);
	if (status < 0)
		return (status);

	/*
	 * now write the toc
	 */
	status = teac_freeze(scgp, !onp);
	return (status);

}

LOCAL int
teac_open_session(scgp, tracks, trackp, toctype, multi)
	SCSI	*scgp;
	int	tracks;
	track_t	*trackp;
	int	toctype;
	int	multi;
{
	int	i;

	for (i = 1; i <= tracks; i++) {
		if (trackp[i].tracksize < 0) {
			/*
			 * XXX How about setting the subcode range to infinity.
			 * XXX and correct it in clode track before writing
			 * XXX the PMA?
			 */
			errmsgno(EX_BAD, "Track %d has unknown length.\n", i);
			return (-1);
		}
	}
	return (teac_calibrate(scgp, toctype, multi));
}

LOCAL int
teac_calibrate(scgp, toctype, multi)
	SCSI	*scgp;
	int	toctype;
	int	multi;
{
	int	status;

	scgp->silent++;
	if (read_B0(scgp, TRUE, &lba_addr, NULL) < 0)
		lba_addr = -150;
	scgp->silent--;

	status = clear_subcode(scgp);
	if (status < 0)
		return (status);

	if (lverbose) {
		fprintf(stdout, "Judging disk...");
		flush();
	}
	status = opt_power_judge(scgp, 1);
	if (status < 0) {
		printf("\n");
		return (status);
	}
	if (lverbose) {
		fprintf(stdout, "done.\nCalibrating laser...");
		flush();
	}

	status = opt_power_judge(scgp, 0);
	if (lverbose) {
		fprintf(stdout, "done.\n");
	}
	scgp->silent++;
	if (next_wr_addr_teac(scgp, -1, -1) < 0) {
		if (scgp->verbose == 0 && scsi_sense_key(scgp) != SC_ILLEGAL_REQUEST)
			scsiprinterr(scgp);
	}
	scgp->silent--;
	return (status);
}

/*--------------------------------------------------------------------------*/
#define SC_SET_LIMITS		0xb3		/* teac 12 byte command */
#define SC_SET_SUBCODE		0xc2		/* teac 10 byte command */
#define SC_READ_PMA		0xc4		/* teac 10 byte command */
#define SC_READ_DISK_INFO	0xc7		/* teac 10 byte command */
#define SC_BUFFER_INQUIRY	0xe0		/* teac 12 byte command */

#define SC_WRITE_PMA		0xe1		/* teac 12 byte command */
#define SC_FREEZE		0xe3		/* teac 12 byte command */
#define SC_OPC_EXECUTE		0xec		/* teac 12 byte command */
#define SC_CLEAR_SUBCODE	0xe4		/* teac 12 byte command */
#define SC_NEXT_WR_ADDRESS	0xe6		/* teac 12 byte command */

#define SC_READ_PEAK_BUF_CAP	0xef		/* teac 12 byte command */

/* -----------------------------------------------------------------
 * Optimum power calibration for Teac Drives.
----------------------------------------------------------------- */
LOCAL int
opt_power_judge(scgp, judge)
	SCSI	*scgp;
	int	judge;
{
	register struct	scg_cmd	*scmd = scgp->scmd;

	fillbytes((caddr_t)scmd, sizeof(*scmd), '\0');
	scmd->addr = (caddr_t)0;
	scmd->size = 0;
	scmd->flags = SCG_RECV_DATA|SCG_DISRE_ENA;
	scmd->cdb_len = SC_G5_CDBLEN;
	scmd->sense_len = CCS_SENSE_LEN;
	scmd->target = scgp->target;
	scmd->timeout = 60;

	scmd->cdb.g5_cdb.cmd = SC_OPC_EXECUTE;
	scmd->cdb.g5_cdb.lun = scgp->lun;
	scmd->cdb.g5_cdb.reladr = judge; /* Judge the Disc */

	scgp->cmdname = "opt_power_judge";

	return (scsicmd(scgp));
}

/* -----------------------------------------------------------------
 * Clear subcodes for Teac Drives.
----------------------------------------------------------------- */
LOCAL int
clear_subcode(scgp)
	SCSI	*scgp;
{
	register struct	scg_cmd	*scmd = scgp->scmd;

	fillbytes((caddr_t)scmd, sizeof(*scmd), '\0');
	scmd->addr = (caddr_t)0;
	scmd->size = 0;
	scmd->flags = SCG_DISRE_ENA;
	scmd->cdb_len = SC_G5_CDBLEN;
	scmd->sense_len = CCS_SENSE_LEN;
	scmd->target = scgp->target;

	scmd->cdb.g5_cdb.cmd = SC_CLEAR_SUBCODE;
	scmd->cdb.g5_cdb.lun = scgp->lun;
	scmd->cdb.g5_cdb.addr[3] = 0x80;

	scgp->cmdname = "clear subcode";

	return (scsicmd(scgp));
}

/* -----------------------------------------------------------------
 * Set limits for command linking for Teac Drives.
----------------------------------------------------------------- */
LOCAL int
set_limits(scgp, lba, length)
	SCSI	*scgp;
	long	lba;
	long	length;
{
	register struct	scg_cmd	*scmd = scgp->scmd;

	fillbytes((caddr_t)scmd, sizeof(*scmd), '\0');
	scmd->addr = (caddr_t)0;
	scmd->size = 0;
	scmd->flags = SCG_DISRE_ENA;
	scmd->cdb_len = SC_G5_CDBLEN;
	scmd->sense_len = CCS_SENSE_LEN;
	scmd->target = scgp->target;

	scmd->cdb.g5_cdb.cmd = SC_SET_LIMITS;
	scmd->cdb.g5_cdb.lun = scgp->lun;
	i_to_4_byte(&scmd->cdb.g5_cdb.addr[0], lba);
	i_to_4_byte(&scmd->cdb.g5_cdb.count[0], length);

	scgp->cmdname = "set limits";

	return (scsicmd(scgp));
}