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drivers
scsi
aha152x.h
Go to the documentation of this file.
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#ifndef _AHA152X_H
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#define _AHA152X_H
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/*
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* $Id: aha152x.h,v 2.7 2004/01/24 11:39:03 fischer Exp $
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*/
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/* number of queueable commands
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(unless we support more than 1 cmd_per_lun this should do) */
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#define AHA152X_MAXQUEUE 7
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#define AHA152X_REVID "Adaptec 152x SCSI driver; $Revision: 2.7 $"
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/* port addresses */
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#define SCSISEQ (HOSTIOPORT0+0x00)
/* SCSI sequence control */
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#define SXFRCTL0 (HOSTIOPORT0+0x01)
/* SCSI transfer control 0 */
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#define SXFRCTL1 (HOSTIOPORT0+0x02)
/* SCSI transfer control 1 */
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#define SCSISIG (HOSTIOPORT0+0x03)
/* SCSI signal in/out */
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#define SCSIRATE (HOSTIOPORT0+0x04)
/* SCSI rate control */
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#define SELID (HOSTIOPORT0+0x05)
/* selection/reselection ID */
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#define SCSIID SELID
/* SCSI ID */
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#define SCSIDAT (HOSTIOPORT0+0x06)
/* SCSI latched data */
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#define SCSIBUS (HOSTIOPORT0+0x07)
/* SCSI data bus */
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#define STCNT0 (HOSTIOPORT0+0x08)
/* SCSI transfer count 0 */
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#define STCNT1 (HOSTIOPORT0+0x09)
/* SCSI transfer count 1 */
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#define STCNT2 (HOSTIOPORT0+0x0a)
/* SCSI transfer count 2 */
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#define SSTAT0 (HOSTIOPORT0+0x0b)
/* SCSI interrupt status 0 */
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#define SSTAT1 (HOSTIOPORT0+0x0c)
/* SCSI interrupt status 1 */
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#define SSTAT2 (HOSTIOPORT0+0x0d)
/* SCSI interrupt status 2 */
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#define SCSITEST (HOSTIOPORT0+0x0e)
/* SCSI test control */
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#define SSTAT3 SCSITEST
/* SCSI interrupt status 3 */
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#define SSTAT4 (HOSTIOPORT0+0x0f)
/* SCSI status 4 */
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#define SIMODE0 (HOSTIOPORT1+0x10)
/* SCSI interrupt mode 0 */
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#define SIMODE1 (HOSTIOPORT1+0x11)
/* SCSI interrupt mode 1 */
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#define DMACNTRL0 (HOSTIOPORT1+0x12)
/* DMA control 0 */
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#define DMACNTRL1 (HOSTIOPORT1+0x13)
/* DMA control 1 */
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#define DMASTAT (HOSTIOPORT1+0x14)
/* DMA status */
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#define FIFOSTAT (HOSTIOPORT1+0x15)
/* FIFO status */
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#define DATAPORT (HOSTIOPORT1+0x16)
/* DATA port */
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#define BRSTCNTRL (HOSTIOPORT1+0x18)
/* burst control */
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#define PORTA (HOSTIOPORT1+0x1a)
/* PORT A */
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#define PORTB (HOSTIOPORT1+0x1b)
/* PORT B */
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#define REV (HOSTIOPORT1+0x1c)
/* revision */
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#define STACK (HOSTIOPORT1+0x1d)
/* stack */
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#define TEST (HOSTIOPORT1+0x1e)
/* test register */
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#define IO_RANGE 0x20
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/* used in aha152x_porttest */
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#define O_PORTA 0x1a
/* PORT A */
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#define O_PORTB 0x1b
/* PORT B */
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#define O_DMACNTRL1 0x13
/* DMA control 1 */
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#define O_STACK 0x1d
/* stack */
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/* used in tc1550_porttest */
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#define O_TC_PORTA 0x0a
/* PORT A */
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#define O_TC_PORTB 0x0b
/* PORT B */
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#define O_TC_DMACNTRL1 0x03
/* DMA control 1 */
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#define O_TC_STACK 0x0d
/* stack */
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/* bits and bitmasks to ports */
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/* SCSI sequence control */
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#define TEMODEO 0x80
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#define ENSELO 0x40
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#define ENSELI 0x20
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#define ENRESELI 0x10
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#define ENAUTOATNO 0x08
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#define ENAUTOATNI 0x04
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#define ENAUTOATNP 0x02
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#define SCSIRSTO 0x01
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/* SCSI transfer control 0 */
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#define SCSIEN 0x80
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#define DMAEN 0x40
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#define CH1 0x20
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#define CLRSTCNT 0x10
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#define SPIOEN 0x08
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#define CLRCH1 0x02
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/* SCSI transfer control 1 */
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#define BITBUCKET 0x80
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#define SWRAPEN 0x40
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#define ENSPCHK 0x20
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#define STIMESEL 0x18
/* mask */
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#define STIMESEL_ 3
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#define ENSTIMER 0x04
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#define BYTEALIGN 0x02
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/* SCSI signal IN */
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#define SIG_CDI 0x80
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#define SIG_IOI 0x40
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#define SIG_MSGI 0x20
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#define SIG_ATNI 0x10
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#define SIG_SELI 0x08
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#define SIG_BSYI 0x04
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#define SIG_REQI 0x02
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#define SIG_ACKI 0x01
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/* SCSI Phases */
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#define P_MASK (SIG_MSGI|SIG_CDI|SIG_IOI)
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#define P_DATAO (0)
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#define P_DATAI (SIG_IOI)
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#define P_CMD (SIG_CDI)
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#define P_STATUS (SIG_CDI|SIG_IOI)
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#define P_MSGO (SIG_MSGI|SIG_CDI)
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#define P_MSGI (SIG_MSGI|SIG_CDI|SIG_IOI)
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/* SCSI signal OUT */
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#define SIG_CDO 0x80
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#define SIG_IOO 0x40
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#define SIG_MSGO 0x20
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#define SIG_ATNO 0x10
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#define SIG_SELO 0x08
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#define SIG_BSYO 0x04
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#define SIG_REQO 0x02
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#define SIG_ACKO 0x01
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/* SCSI rate control */
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#define SXFR 0x70
/* mask */
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#define SXFR_ 4
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#define SOFS 0x0f
/* mask */
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/* SCSI ID */
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#define OID 0x70
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#define OID_ 4
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#define TID 0x07
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/* SCSI transfer count */
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#define GETSTCNT() ( (GETPORT(STCNT2)<<16) \
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+ (GETPORT(STCNT1)<< 8) \
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+ GETPORT(STCNT0) )
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#define SETSTCNT(X) { SETPORT(STCNT2, ((X) & 0xFF0000) >> 16); \
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SETPORT(STCNT1, ((X) & 0x00FF00) >> 8); \
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SETPORT(STCNT0, ((X) & 0x0000FF) ); }
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/* SCSI interrupt status */
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#define TARGET 0x80
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#define SELDO 0x40
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#define SELDI 0x20
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#define SELINGO 0x10
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#define SWRAP 0x08
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#define SDONE 0x04
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#define SPIORDY 0x02
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#define DMADONE 0x01
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#define SETSDONE 0x80
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#define CLRSELDO 0x40
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#define CLRSELDI 0x20
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#define CLRSELINGO 0x10
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#define CLRSWRAP 0x08
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#define CLRSDONE 0x04
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#define CLRSPIORDY 0x02
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#define CLRDMADONE 0x01
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/* SCSI status 1 */
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#define SELTO 0x80
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#define ATNTARG 0x40
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#define SCSIRSTI 0x20
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#define PHASEMIS 0x10
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#define BUSFREE 0x08
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#define SCSIPERR 0x04
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#define PHASECHG 0x02
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#define REQINIT 0x01
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#define CLRSELTIMO 0x80
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#define CLRATNO 0x40
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#define CLRSCSIRSTI 0x20
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#define CLRBUSFREE 0x08
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#define CLRSCSIPERR 0x04
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#define CLRPHASECHG 0x02
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#define CLRREQINIT 0x01
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/* SCSI status 2 */
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#define SOFFSET 0x20
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#define SEMPTY 0x10
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#define SFULL 0x08
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#define SFCNT 0x07
/* mask */
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/* SCSI status 3 */
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#define SCSICNT 0xf0
/* mask */
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#define SCSICNT_ 4
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#define OFFCNT 0x0f
/* mask */
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/* SCSI TEST control */
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#define SCTESTU 0x08
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#define SCTESTD 0x04
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#define STCTEST 0x01
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/* SCSI status 4 */
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#define SYNCERR 0x04
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#define FWERR 0x02
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#define FRERR 0x01
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#define CLRSYNCERR 0x04
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#define CLRFWERR 0x02
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#define CLRFRERR 0x01
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/* SCSI interrupt mode 0 */
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#define ENSELDO 0x40
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#define ENSELDI 0x20
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#define ENSELINGO 0x10
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#define ENSWRAP 0x08
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#define ENSDONE 0x04
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#define ENSPIORDY 0x02
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#define ENDMADONE 0x01
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/* SCSI interrupt mode 1 */
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#define ENSELTIMO 0x80
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#define ENATNTARG 0x40
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#define ENSCSIRST 0x20
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#define ENPHASEMIS 0x10
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#define ENBUSFREE 0x08
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#define ENSCSIPERR 0x04
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#define ENPHASECHG 0x02
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#define ENREQINIT 0x01
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/* DMA control 0 */
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#define ENDMA 0x80
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#define _8BIT 0x40
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#define DMA 0x20
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#define WRITE_READ 0x08
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#define INTEN 0x04
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#define RSTFIFO 0x02
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#define SWINT 0x01
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/* DMA control 1 */
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#define PWRDWN 0x80
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#define STK 0x07
/* mask */
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/* DMA status */
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#define ATDONE 0x80
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#define WORDRDY 0x40
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#define INTSTAT 0x20
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#define DFIFOFULL 0x10
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#define DFIFOEMP 0x08
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/* BURST control */
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#define BON 0xf0
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#define BOFF 0x0f
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/* TEST REGISTER */
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#define BOFFTMR 0x40
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#define BONTMR 0x20
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#define STCNTH 0x10
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#define STCNTM 0x08
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#define STCNTL 0x04
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#define SCSIBLK 0x02
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#define DMABLK 0x01
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/* On the AHA-152x board PORTA and PORTB contain
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some information about the board's configuration. */
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typedef
union
{
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struct
{
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unsigned
reserved
:2;
/* reserved */
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unsigned
tardisc:1;
/* Target disconnect: 0=disabled, 1=enabled */
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unsigned
syncneg
:1;
/* Initial sync neg: 0=disabled, 1=enabled */
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unsigned
msgclasses:2;
/* Message classes
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0=#4
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1=#0, #1, #2, #3, #4
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2=#0, #3, #4
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3=#0, #4
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*/
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unsigned
boot:1;
/* boot: 0=disabled, 1=enabled */
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unsigned
dma
:1;
/* Transfer mode: 0=PIO; 1=DMA */
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unsigned
id
:3;
/* SCSI-id */
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unsigned
irq
:2;
/* IRQ-Channel: 0,3=12, 1=10, 2=11 */
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unsigned
dmachan:2;
/* DMA-Channel: 0=0, 1=5, 2=6, 3=7 */
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unsigned
parity
:1;
/* SCSI-parity: 1=enabled 0=disabled */
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}
fields
;
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unsigned
short
port
;
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}
aha152x_config
;
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#define cf_parity fields.parity
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#define cf_dmachan fields.dmachan
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#define cf_irq fields.irq
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#define cf_id fields.id
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#define cf_dma fields.dma
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#define cf_boot fields.boot
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#define cf_msgclasses fields.msgclasses
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#define cf_syncneg fields.syncneg
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#define cf_tardisc fields.tardisc
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#define cf_port port
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/* Some macros to manipulate ports and their bits */
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#define SETPORT(PORT, VAL) outb( (VAL), (PORT) )
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#define GETPORT(PORT) inb( PORT )
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#define SETBITS(PORT, BITS) outb( (inb(PORT) | (BITS)), (PORT) )
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#define CLRBITS(PORT, BITS) outb( (inb(PORT) & ~(BITS)), (PORT) )
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#define TESTHI(PORT, BITS) ((inb(PORT) & (BITS)) == (BITS))
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#define TESTLO(PORT, BITS) ((inb(PORT) & (BITS)) == 0)
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#define SETRATE(RATE) SETPORT(SCSIRATE,(RATE) & 0x7f)
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#if defined(AHA152X_DEBUG)
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enum
{
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debug_procinfo = 0x0001,
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debug_queue = 0x0002,
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debug_locking = 0x0004,
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debug_intr = 0x0008,
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debug_selection = 0x0010,
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debug_msgo = 0x0020,
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debug_msgi = 0x0040,
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debug_status = 0x0080,
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debug_cmd = 0x0100,
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debug_datai = 0x0200,
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debug_datao = 0x0400,
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debug_eh = 0x0800,
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debug_done = 0x1000,
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debug_phases = 0x2000,
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};
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#endif
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/* for the pcmcia stub */
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struct
aha152x_setup
{
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int
io_port
;
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int
irq
;
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int
scsiid
;
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int
reconnect
;
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int
parity
;
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int
synchronous
;
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int
delay
;
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int
ext_trans
;
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int
tc1550
;
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#if defined(AHA152X_DEBUG)
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int
debug
;
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#endif
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char
*
conf
;
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};
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struct
Scsi_Host
*
aha152x_probe_one
(
struct
aha152x_setup
*);
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void
aha152x_release
(
struct
Scsi_Host
*);
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int
aha152x_host_reset_host
(
struct
Scsi_Host
*);
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#endif
/* _AHA152X_H */
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