-#ifndef _AHA1542_H
-
-/* $Id: aha1542.h,v 1.1 1992/07/24 06:27:38 root Exp root $
- *
- * Header file for the adaptec 1542 driver for Linux
- *
- * $Log: aha1542.h,v $
- * Revision 1.1 1992/07/24 06:27:38 root
- * Initial revision
- *
- * Revision 1.2 1992/07/04 18:41:49 root
- * Replaced distribution with current drivers
- *
- * Revision 1.3 1992/06/23 23:58:20 root
- * Fixes.
- *
- * Revision 1.2 1992/05/26 22:13:23 root
- * Changed bug that prevented DMA above first 2 mbytes.
- *
- * Revision 1.1 1992/05/22 21:00:29 root
- * Initial revision
- *
- * Revision 1.1 1992/04/24 18:01:50 root
- * Initial revision
- *
- * Revision 1.1 1992/04/02 03:23:13 drew
- * Initial revision
- *
- * Revision 1.3 1992/01/27 14:46:29 tthorn
- * *** empty log message ***
- *
- */
+#ifndef _AHA1542_H_
+#define _AHA1542_H_
#include <linux/types.h>
/* I/O Port interface 4.2 */
/* READ */
#define STATUS(base) base
-#define STST 0x80 /* Self Test in Progress */
-#define DIAGF 0x40 /* Internal Diagnostic Failure */
-#define INIT 0x20 /* Mailbox Initialization Required */
-#define IDLE 0x10 /* SCSI Host Adapter Idle */
-#define CDF 0x08 /* Command/Data Out Port Full */
-#define DF 0x04 /* Data In Port Full */
-#define INVDCMD 0x01 /* Invalid H A Command */
-#define STATMASK 0xfd /* 0x02 is reserved */
+#define STST BIT(7) /* Self Test in Progress */
+#define DIAGF BIT(6) /* Internal Diagnostic Failure */
+#define INIT BIT(5) /* Mailbox Initialization Required */
+#define IDLE BIT(4) /* SCSI Host Adapter Idle */
+#define CDF BIT(3) /* Command/Data Out Port Full */
+#define DF BIT(2) /* Data In Port Full */
+/* BIT(1) is reserved */
+#define INVDCMD BIT(0) /* Invalid H A Command */
+#define STATMASK (STST | DIAGF | INIT | IDLE | CDF | DF | INVDCMD)
#define INTRFLAGS(base) (STATUS(base)+2)
-#define ANYINTR 0x80 /* Any Interrupt */
-#define SCRD 0x08 /* SCSI Reset Detected */
-#define HACC 0x04 /* HA Command Complete */
-#define MBOA 0x02 /* MBO Empty */
-#define MBIF 0x01 /* MBI Full */
-#define INTRMASK 0x8f
+#define ANYINTR BIT(7) /* Any Interrupt */
+#define SCRD BIT(3) /* SCSI Reset Detected */
+#define HACC BIT(2) /* HA Command Complete */
+#define MBOA BIT(1) /* MBO Empty */
+#define MBIF BIT(0) /* MBI Full */
+#define INTRMASK (ANYINTR | SCRD | HACC | MBOA | MBIF)
/* WRITE */
#define CONTROL(base) STATUS(base)
-#define HRST 0x80 /* Hard Reset */
-#define SRST 0x40 /* Soft Reset */
-#define IRST 0x20 /* Interrupt Reset */
-#define SCRST 0x10 /* SCSI Bus Reset */
+#define HRST BIT(7) /* Hard Reset */
+#define SRST BIT(6) /* Soft Reset */
+#define IRST BIT(5) /* Interrupt Reset */
+#define SCRST BIT(4) /* SCSI Bus Reset */
/* READ/WRITE */
#define DATA(base) (STATUS(base)+1)
/* Mailbox Definition 5.2.1 and 5.2.2 */
struct mailbox {
- unchar status; /* Command/Status */
- unchar ccbptr[3]; /* msb, .., lsb */
+ u8 status; /* Command/Status */
+ u8 ccbptr[3]; /* msb, .., lsb */
};
/* This is used with scatter-gather */
struct chain {
- unchar datalen[3]; /* Size of this part of chain */
- unchar dataptr[3]; /* Location of data */
+ u8 datalen[3]; /* Size of this part of chain */
+ u8 dataptr[3]; /* Location of data */
};
/* These belong in scsi.h also */
#define scsi2int(up) ( (((long)*(up)) << 16) + (((long)(up)[1]) << 8) + ((long)(up)[2]) )
-#define xany2scsi(up, p) \
-(up)[0] = ((long)(p)) >> 24; \
-(up)[1] = ((long)(p)) >> 16; \
-(up)[2] = ((long)(p)) >> 8; \
-(up)[3] = ((long)(p));
-
#define xscsi2int(up) ( (((long)(up)[0]) << 24) + (((long)(up)[1]) << 16) \
+ (((long)(up)[2]) << 8) + ((long)(up)[3]) )
#define MAX_CDB 12
#define MAX_SENSE 14
-struct ccb { /* Command Control Block 5.3 */
- unchar op; /* Command Control Block Operation Code */
- unchar idlun; /* op=0,2:Target Id, op=1:Initiator Id */
- /* Outbound data transfer, length is checked*/
- /* Inbound data transfer, length is checked */
- /* Logical Unit Number */
- unchar cdblen; /* SCSI Command Length */
- unchar rsalen; /* Request Sense Allocation Length/Disable */
- unchar datalen[3]; /* Data Length (msb, .., lsb) */
- unchar dataptr[3]; /* Data Pointer */
- unchar linkptr[3]; /* Link Pointer */
- unchar commlinkid; /* Command Linking Identifier */
- unchar hastat; /* Host Adapter Status (HASTAT) */
- unchar tarstat; /* Target Device Status */
- unchar reserved[2];
- unchar cdb[MAX_CDB+MAX_SENSE];/* SCSI Command Descriptor Block */
- /* REQUEST SENSE */
+struct ccb { /* Command Control Block 5.3 */
+ u8 op; /* Command Control Block Operation Code */
+ u8 idlun; /* op=0,2:Target Id, op=1:Initiator Id */
+ /* Outbound data transfer, length is checked*/
+ /* Inbound data transfer, length is checked */
+ /* Logical Unit Number */
+ u8 cdblen; /* SCSI Command Length */
+ u8 rsalen; /* Request Sense Allocation Length/Disable */
+ u8 datalen[3]; /* Data Length (msb, .., lsb) */
+ u8 dataptr[3]; /* Data Pointer */
+ u8 linkptr[3]; /* Link Pointer */
+ u8 commlinkid; /* Command Linking Identifier */
+ u8 hastat; /* Host Adapter Status (HASTAT) */
+ u8 tarstat; /* Target Device Status */
+ u8 reserved[2];
+ u8 cdb[MAX_CDB+MAX_SENSE]; /* SCSI Command Descriptor Block */
+ /* REQUEST SENSE */
};
-static int aha1542_detect(struct scsi_host_template *);
-static int aha1542_queuecommand(struct Scsi_Host *, struct scsi_cmnd *);
-static int aha1542_bus_reset(Scsi_Cmnd * SCpnt);
-static int aha1542_dev_reset(Scsi_Cmnd * SCpnt);
-static int aha1542_host_reset(Scsi_Cmnd * SCpnt);
-#if 0
-static int aha1542_old_abort(Scsi_Cmnd * SCpnt);
-static int aha1542_old_reset(Scsi_Cmnd *, unsigned int);
-#endif
-static int aha1542_biosparam(struct scsi_device *, struct block_device *,
- sector_t, int *);
-
+#define AHA1542_REGION_SIZE 4
#define AHA1542_MAILBOXES 8
-#define AHA1542_SCATTER 16
-#define AHA1542_CMDLUN 1
-#endif
+#endif /* _AHA1542_H_ */
projects / cascardo / linux.git / blobdiff