g_ncr5380.h

LINUX 1.0 内核c源代码

/*
 * Generic Generic NCR5380 driver defines
 *
 * Copyright 1993, Drew Eckhardt
 *	Visionary Computing
 *	(Unix and Linux consulting and custom programming)
 *	[e-mail]
 *      [phone]
 *
 * ALPHA RELEASE 1. 
 *
 * For more information, please consult 
 *
 * NCR 5380 Family
 * SCSI Protocol Controller
 * Databook
 *
 * NCR Microelectronics
 * 1635 Aeroplaza Drive
 * Colorado Springs, CO 80916
 * 1+ [phone]
 * 1+ [phone]
 */

/*
 * $Log: generic_NCR5380.h,v $
 */

#ifndef GENERIC_NCR5380_H
#define GENERIC_NCR5380_H

#define GENERIC_NCR5380_PUBLIC_RELEASE 1


#ifndef ASM
int generic_NCR5380_abort(Scsi_Cmnd *, int);
int generic_NCR5380_detect(int);
const char *generic_NCR5380_info(void);
int generic_NCR5380_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
int generic_NCR5380_reset(Scsi_Cmnd *);


#ifndef NULL
#define NULL 0
#endif

#ifndef CMD_PER_LUN
#define CMD_PER_LUN 2
#endif

#ifndef CAN_QUEUE
#define CAN_QUEUE 16
#endif

#ifdef HOSTS_C

#define GENERIC_NCR5380 {"Trantor T128/T128F/T228", 			\
	generic_NCR5380_detect, generic_NCR5380_info, NULL, 		\
	generic_NCR5380_queue_command, generic_NCR5380_abort, 		\
	generic_NCR5380_reset, NULL, 					\
	NULL, /* can queue */ CAN_QUEUE, /* id */ 7, SG_ALL,		\
	/* cmd per lun */ CMD_PER_LUN , 0, 0}

#else
#define NCR5380_implementation_fields \
    int port

#define NCR5380_local_declare() \
    register int port

#define NCR5380_setup(instance) \
    port = (instance)->io_port

#define NCR5380_read(reg) (inb(port + (reg)))
#define NCR5380_write(reg, value) (outb((value), (port + (reg))))

#define NCR5380_intr generic_NCR5380_intr
#define NCR5380_queue_command generic_NCR5380_queue_command
#define NCR5380_abort generic_NCR5380_abort
#define NCR5380_reset generic_NCR5380_reset

#endif /* else def HOSTS_C */
#endif /* ndef ASM */
#endif /* GENERIC_NCR5380_H */