Split the aic6360 driver to add support for SCSI pcmcia cards.

1 files changed, 341 insertions, 0 deletions

diff --git a/sys/dev/ic/aic6360reg.h b/sys/dev/ic/aic6360reg.h
new file mode 100644
index 00000000000..5af71d8995d
--- /dev/null
+++ b/sys/dev/ic/aic6360reg.h
@@ -0,0 +1,341 @@
+/*	$OpenBSD: aic6360reg.h,v 1.1 1998/09/11 07:24:57 fgsch Exp $	*/
+/*	$NetBSD: aic6360.c,v 1.52 1996/12/10 21:27:51 thorpej Exp $	*/
+
+/*
+ * Copyright (c) 1994, 1995, 1996 Charles Hannum.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Charles M. Hannum.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Copyright (c) 1994 Jarle Greipsland
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Acknowledgements: Many of the algorithms used in this driver are
+ * inspired by the work of Julian Elischer (julian@tfs.com) and
+ * Charles Hannum (mycroft@duality.gnu.ai.mit.edu).  Thanks a million!
+ */
+
+/* Definitions, most of them has turned out to be unneccesary, but here they
+ * are anyway.
+ */
+
+/* AIC6360 definitions */
+#define SCSISEQ		0x00	/* SCSI sequence control */
+#define SXFRCTL0	0x01	/* SCSI transfer control 0 */
+#define SXFRCTL1	0x02	/* SCSI transfer control 1 */
+#define SCSISIG		0x03	/* SCSI signal in/out */
+#define SCSIRATE	0x04	/* SCSI rate control */
+#define SCSIID		0x05	/* SCSI ID */
+#define SELID		0x05	/* Selection/Reselection ID */
+#define SCSIDAT		0x06	/* SCSI Latched Data */
+#define SCSIBUS		0x07	/* SCSI Data Bus*/
+#define STCNT0		0x08	/* SCSI transfer count */
+#define STCNT1		0x09
+#define STCNT2		0x0a
+#define CLRSINT0	0x0b	/* Clear SCSI interrupts 0 */
+#define SSTAT0		0x0b	/* SCSI interrupt status 0 */
+#define CLRSINT1	0x0c	/* Clear SCSI interrupts 1 */
+#define SSTAT1		0x0c	/* SCSI status 1 */
+#define SSTAT2		0x0d	/* SCSI status 2 */
+#define SCSITEST	0x0e	/* SCSI test control */
+#define SSTAT3		0x0e	/* SCSI status 3 */
+#define CLRSERR		0x0f	/* Clear SCSI errors */
+#define SSTAT4		0x0f	/* SCSI status 4 */
+#define SIMODE0		0x10	/* SCSI interrupt mode 0 */
+#define SIMODE1		0x11	/* SCSI interrupt mode 1 */
+#define DMACNTRL0	0x12	/* DMA control 0 */
+#define DMACNTRL1	0x13	/* DMA control 1 */
+#define DMASTAT		0x14	/* DMA status */
+#define FIFOSTAT	0x15	/* FIFO status */
+#define DMADATA		0x16	/* DMA data */
+#define DMADATAL	0x16	/* DMA data low byte */
+#define DMADATAH	0x17	/* DMA data high byte */
+#define BRSTCNTRL	0x18	/* Burst Control */
+#define DMADATALONG	0x18
+#define PORTA		0x1a	/* Port A */
+#define PORTB		0x1b	/* Port B */
+#define REV		0x1c	/* Revision (001 for 6360) */
+#define STACK		0x1d	/* Stack */
+#define TEST		0x1e	/* Test register */
+#define ID		0x1f	/* ID register */
+
+#define IDSTRING "(C)1991ADAPTECAIC6360           "
+
+/* What all the bits do */
+
+/* SCSISEQ */
+#define TEMODEO		0x80
+#define ENSELO		0x40
+#define ENSELI		0x20
+#define ENRESELI	0x10
+#define ENAUTOATNO	0x08
+#define ENAUTOATNI	0x04
+#define ENAUTOATNP	0x02
+#define SCSIRSTO	0x01
+
+/* SXFRCTL0 */
+#define SCSIEN		0x80
+#define DMAEN		0x40
+#define CHEN		0x20
+#define CLRSTCNT	0x10
+#define SPIOEN		0x08
+#define CLRCH		0x02
+
+/* SXFRCTL1 */
+#define BITBUCKET	0x80
+#define SWRAPEN		0x40
+#define ENSPCHK		0x20
+#define STIMESEL1	0x10
+#define STIMESEL0	0x08
+#define STIMO_256ms	0x00
+#define STIMO_128ms	0x08
+#define STIMO_64ms	0x10
+#define STIMO_32ms	0x18
+#define ENSTIMER	0x04
+#define BYTEALIGN	0x02
+
+/* SCSISIG (in) */
+#define CDI		0x80
+#define IOI		0x40
+#define MSGI		0x20
+#define ATNI		0x10
+#define SELI		0x08
+#define BSYI		0x04
+#define REQI		0x02
+#define ACKI		0x01
+
+/* Important! The 3 most significant bits of this register, in initiator mode,
+ * represents the "expected" SCSI bus phase and can be used to trigger phase
+ * mismatch and phase change interrupts.  But more important:  If there is a
+ * phase mismatch the chip will not transfer any data!  This is actually a nice
+ * feature as it gives us a bit more control over what is happening when we are
+ * bursting data (in) through the FIFOs and the phase suddenly changes from
+ * DATA IN to STATUS or MESSAGE IN.  The transfer will stop and wait for the
+ * proper phase to be set in this register instead of dumping the bits into the
+ * FIFOs.
+ */
+/* SCSISIG (out) */
+#define CDO		0x80
+#define IOO		0x40
+#define MSGO		0x20
+#define ATNO		0x10
+#define SELO		0x08
+#define BSYO		0x04
+#define REQO		0x02
+#define ACKO		0x01
+
+/* Information transfer phases */
+#define PH_DATAOUT	(0)
+#define PH_DATAIN	(IOI)
+#define PH_CMD		(CDI)
+#define PH_STAT		(CDI | IOI)
+#define PH_MSGOUT	(MSGI | CDI)
+#define PH_MSGIN	(MSGI | CDI | IOI)
+
+#define PH_MASK		(MSGI | CDI | IOI)
+
+#define	PH_INVALID	0xff
+
+/* SCSIRATE */
+#define SXFR2		0x40
+#define SXFR1		0x20
+#define SXFR0		0x10
+#define SOFS3		0x08
+#define SOFS2		0x04
+#define SOFS1		0x02
+#define SOFS0		0x01
+
+/* SCSI ID */
+#define OID2		0x40
+#define OID1		0x20
+#define OID0		0x10
+#define OID_S		4	/* shift value */
+#define TID2		0x04
+#define TID1		0x02
+#define TID0		0x01
+#define SCSI_ID_MASK	0x7
+
+/* SCSI selection/reselection ID (both target *and* initiator) */
+#define SELID7		0x80
+#define SELID6		0x40
+#define SELID5		0x20
+#define SELID4		0x10
+#define SELID3		0x08
+#define SELID2		0x04
+#define SELID1		0x02
+#define SELID0		0x01
+
+/* CLRSINT0                      Clears what? (interrupt and/or status bit) */
+#define SETSDONE	0x80
+#define CLRSELDO	0x40	/* I */
+#define CLRSELDI	0x20	/* I+ */
+#define CLRSELINGO	0x10	/* I */
+#define CLRSWRAP	0x08	/* I+S */
+#define CLRSDONE	0x04	/* I+S */
+#define CLRSPIORDY	0x02	/* I */
+#define CLRDMADONE	0x01	/* I */
+
+/* SSTAT0                          Howto clear */
+#define TARGET		0x80
+#define SELDO		0x40	/* Selfclearing */
+#define SELDI		0x20	/* Selfclearing when CLRSELDI is set */
+#define SELINGO		0x10	/* Selfclearing */
+#define SWRAP		0x08	/* CLRSWAP */
+#define SDONE		0x04	/* Not used in initiator mode */
+#define SPIORDY		0x02	/* Selfclearing (op on SCSIDAT) */
+#define DMADONE		0x01	/* Selfclearing (all FIFOs empty & T/C */
+
+/* CLRSINT1                      Clears what? */
+#define CLRSELTIMO	0x80	/* I+S */
+#define CLRATNO		0x40
+#define CLRSCSIRSTI	0x20	/* I+S */
+#define CLRBUSFREE	0x08	/* I+S */
+#define CLRSCSIPERR	0x04	/* I+S */
+#define CLRPHASECHG	0x02	/* I+S */
+#define CLRREQINIT	0x01	/* I+S */
+
+/* SSTAT1                       How to clear?  When set?*/
+#define SELTO		0x80	/* C		select out timeout */
+#define ATNTARG		0x40	/* Not used in initiator mode */
+#define SCSIRSTI	0x20	/* C		RST asserted */
+#define PHASEMIS	0x10	/* Selfclearing */
+#define BUSFREE		0x08	/* C		bus free condition */
+#define SCSIPERR	0x04	/* C		parity error on inbound data */
+#define PHASECHG	0x02	/* C	     phase in SCSISIG doesn't match */
+#define REQINIT		0x01	/* C or ACK	asserting edge of REQ */
+
+/* SSTAT2 */
+#define SOFFSET		0x20
+#define SEMPTY		0x10
+#define SFULL		0x08
+#define SFCNT2		0x04
+#define SFCNT1		0x02
+#define SFCNT0		0x01
+
+/* SCSITEST */
+#define SCTESTU		0x08
+#define SCTESTD		0x04
+#define STCTEST		0x01
+
+/* SSTAT3 */
+#define SCSICNT3	0x80
+#define SCSICNT2	0x40
+#define SCSICNT1	0x20
+#define SCSICNT0	0x10
+#define OFFCNT3		0x08
+#define OFFCNT2		0x04
+#define OFFCNT1		0x02
+#define OFFCNT0		0x01
+
+/* CLRSERR */
+#define CLRSYNCERR	0x04
+#define CLRFWERR	0x02
+#define CLRFRERR	0x01
+
+/* SSTAT4 */
+#define SYNCERR		0x04
+#define FWERR		0x02
+#define FRERR		0x01
+
+/* SIMODE0 */
+#define ENSELDO		0x40
+#define ENSELDI		0x20
+#define ENSELINGO	0x10
+#define	ENSWRAP		0x08
+#define ENSDONE		0x04
+#define ENSPIORDY	0x02
+#define ENDMADONE	0x01
+
+/* SIMODE1 */
+#define ENSELTIMO	0x80
+#define ENATNTARG	0x40
+#define ENSCSIRST	0x20
+#define ENPHASEMIS	0x10
+#define ENBUSFREE	0x08
+#define ENSCSIPERR	0x04
+#define ENPHASECHG	0x02
+#define ENREQINIT	0x01
+
+/* DMACNTRL0 */
+#define ENDMA		0x80
+#define B8MODE		0x40
+#define DMA		0x20
+#define DWORDPIO	0x10
+#define WRITE		0x08
+#define INTEN		0x04
+#define RSTFIFO		0x02
+#define SWINT		0x01
+
+/* DMACNTRL1 */
+#define PWRDWN		0x80
+#define ENSTK32		0x40
+#define STK4		0x10
+#define STK3		0x08
+#define STK2		0x04
+#define STK1		0x02
+#define STK0		0x01
+
+/* DMASTAT */
+#define ATDONE		0x80
+#define WORDRDY		0x40
+#define INTSTAT		0x20
+#define DFIFOFULL	0x10
+#define DFIFOEMP	0x08
+#define DFIFOHF		0x04
+#define DWORDRDY	0x02
+
+/* BRSTCNTRL */
+#define BON3		0x80
+#define BON2		0x40
+#define BON1		0x20
+#define BON0		0x10
+#define BOFF3		0x08
+#define BOFF2		0x04
+#define BOFF1		0x02
+#define BOFF0		0x01
+
+/* TEST */
+#define BOFFTMR		0x40
+#define BONTMR		0x20
+#define STCNTH		0x10
+#define STCNTM		0x08
+#define STCNTL		0x04
+#define SCSIBLK		0x02
+#define DMABLK		0x01
+