dev/ncr/ncr.c

324 #define HS_NEGOTIATE	(2)	/* sync/wide data transfer*/
524 	/* Hardware version of our wide settings */
543 	**	register (sync/wide mode).
896 	**	While negotiating sync or wide transfer,
1271 static	void	ncr_setwide(ncb_p np, nccb_p cp, u_char wide, u_char ack);
1610 	**      Load the wide mode and timing register
3191  {NCR_820_ID, 0x00,	"ncr 53c820 fast10 wide scsi", 		4,  8, 4,
3194  {NCR_825_ID, 0x00,	"ncr 53c825 fast10 wide scsi",		4,  8, 4,
3197  {NCR_825_ID, 0x10,	"ncr 53c825a fast10 wide scsi",		7,  8, 4,
3203  {NCR_875_ID, 0x00,	"ncr 53c875 fast20 wide scsi",		7, 16, 5,
3206  {NCR_875_ID, 0x02,	"ncr 53c875 fast20 wide scsi",		7, 16, 5,
3209  {NCR_875_ID2, 0x00,	"ncr 53c875j fast20 wide scsi",		7, 16, 5,
3212  {NCR_885_ID, 0x00,	"ncr 53c885 fast20 wide scsi",		7, 16, 5,
3215  {NCR_895_ID, 0x00,	"ncr 53c895 fast40 wide scsi",		7, 31, 7,
3218  {NCR_896_ID, 0x00,	"ncr 53c896 fast40 wide scsi",		7, 31, 7,
3221  {NCR_895A_ID, 0x00,	"ncr 53c895a fast40 wide scsi",		7, 31, 7,
3224  {NCR_1510D_ID, 0x00,	"ncr 53c1510d fast40 wide scsi",	7, 31, 7,
3999 				printf ("wide msgout: ");
4963 **	Switch wide mode for current job and its target
4971 static void ncr_setwide (ncb_p np, nccb_p cp, u_char wide, u_char ack)
4989 	tp->tinfo.current.width = wide;
4990 	tp->tinfo.goal.width = wide;
4994 	scntl3 = (tp->tinfo.wval & (~EWS)) | (wide ? EWS : 0);
4999 	**	 Stop there if sync/wide parameters are unchanged
5168 **	wide/fastmode:
5378 	     (INB(nc_sstat2) & (ILF1|ORF1|OLF1)) ||	/* wide .. */
5624 	**	Check the sstat2 register in case of wide transfer.
5810 	u_char chg, ofs, per, fak, wide;
5919 **	We try to negotiate sync and wide transfer only after
6144 			printf ("wide msgin: ");
6154 		wide = np->msgin[3];
6160 		if (wide > tp->tinfo.user.width)
6161 			{chg = 1; wide = tp->tinfo.user.width;}
6165 			printf ("wide: wide=%d chg=%d.\n", wide, chg);
6186 					ncr_setwide (np, cp, wide, 1);
6202 		ncr_setwide (np, cp, wide, 1);
6207 		np->msgout[3] = wide;
6215 			printf ("wide msgout: ");