diff --git a/drivers/scsi/aha152x.h b/drivers/scsi/aha152x.h
new file mode 100644
index 0000000..d277613
--- /dev/null
+++ b/drivers/scsi/aha152x.h
@@ -0,0 +1,337 @@
+#ifndef _AHA152X_H
+#define _AHA152X_H
+
+/*
+ * $Id: aha152x.h,v 2.7 2004/01/24 11:39:03 fischer Exp $
+ */
+
+/* number of queueable commands
+   (unless we support more than 1 cmd_per_lun this should do) */
+#define AHA152X_MAXQUEUE 7
+
+#define AHA152X_REVID "Adaptec 152x SCSI driver; $Revision: 2.7 $"
+
+/* port addresses */
+#define SCSISEQ      (HOSTIOPORT0+0x00)    /* SCSI sequence control */
+#define SXFRCTL0     (HOSTIOPORT0+0x01)    /* SCSI transfer control 0 */
+#define SXFRCTL1     (HOSTIOPORT0+0x02)    /* SCSI transfer control 1 */
+#define SCSISIG      (HOSTIOPORT0+0x03)    /* SCSI signal in/out */
+#define SCSIRATE     (HOSTIOPORT0+0x04)    /* SCSI rate control */
+#define SELID        (HOSTIOPORT0+0x05)    /* selection/reselection ID */
+#define SCSIID       SELID                 /* SCSI ID */
+#define SCSIDAT      (HOSTIOPORT0+0x06)    /* SCSI latched data */
+#define SCSIBUS      (HOSTIOPORT0+0x07)    /* SCSI data bus */
+#define STCNT0       (HOSTIOPORT0+0x08)    /* SCSI transfer count 0 */
+#define STCNT1       (HOSTIOPORT0+0x09)    /* SCSI transfer count 1 */
+#define STCNT2       (HOSTIOPORT0+0x0a)    /* SCSI transfer count 2 */
+#define SSTAT0       (HOSTIOPORT0+0x0b)    /* SCSI interrupt status 0 */
+#define SSTAT1       (HOSTIOPORT0+0x0c)    /* SCSI interrupt status 1 */
+#define SSTAT2       (HOSTIOPORT0+0x0d)    /* SCSI interrupt status 2 */
+#define SCSITEST     (HOSTIOPORT0+0x0e)    /* SCSI test control */
+#define SSTAT3       SCSITEST              /* SCSI interrupt status 3 */
+#define SSTAT4       (HOSTIOPORT0+0x0f)    /* SCSI status 4 */
+#define SIMODE0      (HOSTIOPORT1+0x10)    /* SCSI interrupt mode 0 */
+#define SIMODE1      (HOSTIOPORT1+0x11)    /* SCSI interrupt mode 1 */
+#define DMACNTRL0    (HOSTIOPORT1+0x12)    /* DMA control 0 */
+#define DMACNTRL1    (HOSTIOPORT1+0x13)    /* DMA control 1 */
+#define DMASTAT      (HOSTIOPORT1+0x14)    /* DMA status */
+#define FIFOSTAT     (HOSTIOPORT1+0x15)    /* FIFO status */
+#define DATAPORT     (HOSTIOPORT1+0x16)    /* DATA port */
+#define BRSTCNTRL    (HOSTIOPORT1+0x18)    /* burst control */
+#define PORTA        (HOSTIOPORT1+0x1a)    /* PORT A */
+#define PORTB        (HOSTIOPORT1+0x1b)    /* PORT B */
+#define REV          (HOSTIOPORT1+0x1c)    /* revision */
+#define STACK        (HOSTIOPORT1+0x1d)    /* stack */
+#define TEST         (HOSTIOPORT1+0x1e)    /* test register */
+
+#define IO_RANGE        0x20
+
+/* used in aha152x_porttest */
+#define O_PORTA         0x1a               /* PORT A */
+#define O_PORTB         0x1b               /* PORT B */
+#define O_DMACNTRL1     0x13               /* DMA control 1 */
+#define O_STACK         0x1d               /* stack */
+
+/* used in tc1550_porttest */
+#define O_TC_PORTA      0x0a               /* PORT A */
+#define O_TC_PORTB      0x0b               /* PORT B */
+#define O_TC_DMACNTRL1  0x03               /* DMA control 1 */
+#define O_TC_STACK      0x0d               /* stack */
+
+/* bits and bitmasks to ports */
+
+/* SCSI sequence control */
+#define TEMODEO      0x80
+#define ENSELO       0x40
+#define ENSELI       0x20
+#define ENRESELI     0x10
+#define ENAUTOATNO   0x08
+#define ENAUTOATNI   0x04
+#define ENAUTOATNP   0x02
+#define SCSIRSTO     0x01
+
+/* SCSI transfer control 0 */
+#define SCSIEN       0x80
+#define DMAEN        0x40
+#define CH1          0x20
+#define CLRSTCNT     0x10
+#define SPIOEN       0x08
+#define CLRCH1       0x02
+
+/* SCSI transfer control 1 */
+#define BITBUCKET    0x80
+#define SWRAPEN      0x40
+#define ENSPCHK      0x20
+#define STIMESEL     0x18    /* mask */
+#define STIMESEL_    3
+#define ENSTIMER     0x04
+#define BYTEALIGN    0x02
+
+/* SCSI signal IN */
+#define SIG_CDI          0x80
+#define SIG_IOI          0x40
+#define SIG_MSGI         0x20
+#define SIG_ATNI         0x10
+#define SIG_SELI         0x08
+#define SIG_BSYI         0x04
+#define SIG_REQI         0x02
+#define SIG_ACKI         0x01
+
+/* SCSI Phases */
+#define P_MASK       (SIG_MSGI|SIG_CDI|SIG_IOI)
+#define P_DATAO      (0)
+#define P_DATAI      (SIG_IOI)
+#define P_CMD        (SIG_CDI)
+#define P_STATUS     (SIG_CDI|SIG_IOI)
+#define P_MSGO       (SIG_MSGI|SIG_CDI)
+#define P_MSGI       (SIG_MSGI|SIG_CDI|SIG_IOI)
+
+/* SCSI signal OUT */
+#define SIG_CDO          0x80
+#define SIG_IOO          0x40
+#define SIG_MSGO         0x20
+#define SIG_ATNO         0x10
+#define SIG_SELO         0x08
+#define SIG_BSYO         0x04
+#define SIG_REQO         0x02
+#define SIG_ACKO         0x01
+
+/* SCSI rate control */
+#define SXFR         0x70    /* mask */
+#define SXFR_        4
+#define SOFS         0x0f    /* mask */
+
+/* SCSI ID */
+#define OID          0x70
+#define OID_         4
+#define TID          0x07
+
+/* SCSI transfer count */
+#define GETSTCNT() ( (GETPORT(STCNT2)<<16) \
+                   + (GETPORT(STCNT1)<< 8) \
+                   + GETPORT(STCNT0) )
+
+#define SETSTCNT(X) { SETPORT(STCNT2, ((X) & 0xFF0000) >> 16); \
+                      SETPORT(STCNT1, ((X) & 0x00FF00) >>  8); \
+                      SETPORT(STCNT0, ((X) & 0x0000FF) ); }
+
+/* SCSI interrupt status */
+#define TARGET       0x80
+#define SELDO        0x40
+#define SELDI        0x20
+#define SELINGO      0x10
+#define SWRAP        0x08
+#define SDONE        0x04
+#define SPIORDY      0x02
+#define DMADONE      0x01
+
+#define SETSDONE     0x80
+#define CLRSELDO     0x40
+#define CLRSELDI     0x20
+#define CLRSELINGO   0x10
+#define CLRSWRAP     0x08
+#define CLRSDONE     0x04
+#define CLRSPIORDY   0x02
+#define CLRDMADONE   0x01
+
+/* SCSI status 1 */
+#define SELTO        0x80
+#define ATNTARG      0x40
+#define SCSIRSTI     0x20
+#define PHASEMIS     0x10
+#define BUSFREE      0x08
+#define SCSIPERR     0x04
+#define PHASECHG     0x02
+#define REQINIT      0x01
+
+#define CLRSELTIMO   0x80
+#define CLRATNO      0x40
+#define CLRSCSIRSTI  0x20
+#define CLRBUSFREE   0x08
+#define CLRSCSIPERR  0x04
+#define CLRPHASECHG  0x02
+#define CLRREQINIT   0x01
+
+/* SCSI status 2 */
+#define SOFFSET      0x20
+#define SEMPTY       0x10
+#define SFULL        0x08
+#define SFCNT        0x07    /* mask */
+
+/* SCSI status 3 */
+#define SCSICNT      0xf0    /* mask */
+#define SCSICNT_     4
+#define OFFCNT       0x0f    /* mask */
+
+/* SCSI TEST control */
+#define SCTESTU      0x08
+#define SCTESTD      0x04
+#define STCTEST      0x01
+
+/* SCSI status 4 */
+#define SYNCERR      0x04
+#define FWERR        0x02
+#define FRERR        0x01
+
+#define CLRSYNCERR   0x04
+#define CLRFWERR     0x02
+#define CLRFRERR     0x01
+
+/* SCSI interrupt mode 0 */
+#define ENSELDO      0x40
+#define ENSELDI      0x20
+#define ENSELINGO    0x10
+#define ENSWRAP      0x08
+#define ENSDONE      0x04
+#define ENSPIORDY    0x02
+#define ENDMADONE    0x01
+
+/* SCSI interrupt mode 1 */
+#define ENSELTIMO    0x80
+#define ENATNTARG    0x40
+#define ENSCSIRST    0x20
+#define ENPHASEMIS   0x10
+#define ENBUSFREE    0x08
+#define ENSCSIPERR   0x04
+#define ENPHASECHG   0x02
+#define ENREQINIT    0x01
+
+/* DMA control 0 */
+#define ENDMA        0x80
+#define _8BIT        0x40
+#define DMA          0x20
+#define WRITE_READ   0x08
+#define INTEN        0x04
+#define RSTFIFO      0x02
+#define SWINT        0x01
+
+/* DMA control 1 */
+#define PWRDWN       0x80
+#define STK          0x07    /* mask */
+
+/* DMA status */
+#define ATDONE       0x80
+#define WORDRDY      0x40
+#define INTSTAT      0x20
+#define DFIFOFULL    0x10
+#define DFIFOEMP     0x08
+
+/* BURST control */
+#define BON          0xf0
+#define BOFF         0x0f
+
+/* TEST REGISTER */
+#define BOFFTMR      0x40
+#define BONTMR       0x20
+#define STCNTH       0x10
+#define STCNTM       0x08
+#define STCNTL       0x04
+#define SCSIBLK      0x02
+#define DMABLK       0x01
+
+/* On the AHA-152x board PORTA and PORTB contain
+   some information about the board's configuration. */
+typedef union {
+  struct {
+    unsigned reserved:2;    /* reserved */
+    unsigned tardisc:1;     /* Target disconnect: 0=disabled, 1=enabled */
+    unsigned syncneg:1;     /* Initial sync neg: 0=disabled, 1=enabled */
+    unsigned msgclasses:2;  /* Message classes
+                                 0=#4
+                                 1=#0, #1, #2, #3, #4
+                                 2=#0, #3, #4
+                                 3=#0, #4
+                             */
+    unsigned boot:1;        /* boot: 0=disabled, 1=enabled */
+    unsigned dma:1;         /* Transfer mode: 0=PIO; 1=DMA */
+    unsigned id:3;          /* SCSI-id */
+    unsigned irq:2;         /* IRQ-Channel: 0,3=12, 1=10, 2=11 */
+    unsigned dmachan:2;     /* DMA-Channel: 0=0, 1=5, 2=6, 3=7 */
+    unsigned parity:1;      /* SCSI-parity: 1=enabled 0=disabled */
+  } fields;
+  unsigned short port;
+} aha152x_config ;
+
+#define cf_parity     fields.parity
+#define cf_dmachan    fields.dmachan
+#define cf_irq        fields.irq
+#define cf_id         fields.id
+#define cf_dma        fields.dma
+#define cf_boot       fields.boot
+#define cf_msgclasses fields.msgclasses
+#define cf_syncneg    fields.syncneg
+#define cf_tardisc    fields.tardisc
+#define cf_port       port
+
+/* Some macros to manipulate ports and their bits */
+
+#define SETPORT(PORT, VAL)	outb( (VAL), (PORT) )
+#define GETPORT(PORT)		inb( PORT )
+#define SETBITS(PORT, BITS)	outb( (inb(PORT) | (BITS)), (PORT) )
+#define CLRBITS(PORT, BITS)	outb( (inb(PORT) & ~(BITS)), (PORT) )
+#define TESTHI(PORT, BITS)	((inb(PORT) & (BITS)) == (BITS))
+#define TESTLO(PORT, BITS)	((inb(PORT) & (BITS)) == 0)
+
+#define SETRATE(RATE)		SETPORT(SCSIRATE,(RATE) & 0x7f)
+
+#if defined(AHA152X_DEBUG)
+enum {
+  debug_procinfo  = 0x0001,
+  debug_queue     = 0x0002,
+  debug_locks     = 0x0004,
+  debug_intr      = 0x0008,
+  debug_selection = 0x0010,
+  debug_msgo      = 0x0020,
+  debug_msgi      = 0x0040,
+  debug_status    = 0x0080,
+  debug_cmd       = 0x0100,
+  debug_datai     = 0x0200,
+  debug_datao     = 0x0400,
+  debug_eh	  = 0x0800,
+  debug_done      = 0x1000,
+  debug_phases    = 0x2000,
+};
+#endif
+
+/* for the pcmcia stub */
+struct aha152x_setup {
+	int io_port;
+	int irq;
+	int scsiid;
+	int reconnect;
+	int parity;
+	int synchronous;
+	int delay;
+	int ext_trans;
+	int tc1550;
+#if defined(AHA152X_DEBUG)
+	int debug;
+#endif
+	char *conf;
+};
+
+struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *);
+void aha152x_release(struct Scsi_Host *);
+int aha152x_host_reset(Scsi_Cmnd *);
+
+#endif /* _AHA152X_H */