dtc.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:3k
- /*
- * DTC controller, taken from T128 driver by...
- * Copyright 1993, Drew Eckhardt
- * Visionary Computing
- * (Unix and Linux consulting and custom programming)
- * drew@colorado.edu
- * +1 (303) 440-4894
- *
- * DISTRIBUTION RELEASE 2.
- *
- * For more information, please consult
- *
- *
- *
- * and
- *
- * NCR 5380 Family
- * SCSI Protocol Controller
- * Databook
- *
- * NCR Microelectronics
- * 1635 Aeroplaza Drive
- * Colorado Springs, CO 80916
- * 1+ (719) 578-3400
- * 1+ (800) 334-5454
- */
- #ifndef DTC3280_H
- #define DTC3280_H
- #ifndef ASM
- int dtc_abort(Scsi_Cmnd *);
- int dtc_biosparam(Disk *, kdev_t, int*);
- int dtc_detect(Scsi_Host_Template *);
- int dtc_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
- int dtc_reset(Scsi_Cmnd *, unsigned int reset_flags);
- int dtc_proc_info (char *buffer, char **start, off_t offset,
- int length, int hostno, int inout);
- #ifndef NULL
- #define NULL 0
- #endif
- #ifndef CMD_PER_LUN
- #define CMD_PER_LUN 2
- #endif
- #ifndef CAN_QUEUE
- #define CAN_QUEUE 32
- #endif
- /*
- * I hadn't thought of this with the earlier drivers - but to prevent
- * macro definition conflicts, we shouldn't define all of the internal
- * macros when this is being used solely for the host stub.
- */
- #define DTC3x80 {
- name: "DTC 3180/3280 ",
- detect: dtc_detect,
- queuecommand: dtc_queue_command,
- abort: dtc_abort,
- reset: dtc_reset,
- bios_param: dtc_biosparam,
- can_queue: CAN_QUEUE,
- this_id: 7,
- sg_tablesize: SG_ALL,
- cmd_per_lun: CMD_PER_LUN ,
- use_clustering: DISABLE_CLUSTERING}
- #define NCR5380_implementation_fields
- volatile unsigned int base
- #define NCR5380_local_declare()
- volatile unsigned int base
- #define NCR5380_setup(instance)
- base = (unsigned int)(instance)->base
- #define DTC_address(reg) (base + DTC_5380_OFFSET + reg)
- #define dbNCR5380_read(reg)
- (rval=isa_readb(DTC_address(reg)),
- (((unsigned char) printk("DTC : read register %d at addr %08x is: %02xn"
- , (reg), (int)DTC_address(reg), rval)), rval ) )
- #define dbNCR5380_write(reg, value) do {
- printk("DTC : write %02x to register %d at address %08xn",
- (value), (reg), (int)DTC_address(reg));
- isa_writeb(value, DTC_address(reg));} while(0)
- #if !(DTCDEBUG & DTCDEBUG_TRANSFER)
- #define NCR5380_read(reg) (isa_readb(DTC_address(reg)))
- #define NCR5380_write(reg, value) (isa_writeb(value, DTC_address(reg)))
- #else
- #define NCR5380_read(reg) (isa_readb(DTC_address(reg)))
- #define xNCR5380_read(reg)
- (((unsigned char) printk("DTC : read register %d at address %08xn"
- , (reg), DTC_address(reg))), isa_readb(DTC_address(reg)))
- #define NCR5380_write(reg, value) do {
- printk("DTC : write %02x to register %d at address %08xn",
- (value), (reg), (int)DTC_address(reg));
- isa_writeb(value, DTC_address(reg));} while(0)
- #endif
- #define NCR5380_intr dtc_intr
- #define do_NCR5380_intr do_dtc_intr
- #define NCR5380_queue_command dtc_queue_command
- #define NCR5380_abort dtc_abort
- #define NCR5380_reset dtc_reset
- #define NCR5380_proc_info dtc_proc_info
- /* 15 12 11 10
- 1001 1100 0000 0000 */
- #define DTC_IRQS 0x9c00
- #endif /* ndef ASM */
- #endif /* DTC3280_H */