aha1542: Use BIT() macro

/* 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)