Loading...
/* * 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 #define DTCDEBUG 0 #define DTCDEBUG_INIT 0x1 #define DTCDEBUG_TRANSFER 0x2 static int dtc_abort(Scsi_Cmnd *); static int dtc_biosparam(struct scsi_device *, struct block_device *, sector_t, int*); static int dtc_detect(struct scsi_host_template *); static int dtc_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *)); static int dtc_bus_reset(Scsi_Cmnd *); #ifndef CMD_PER_LUN #define CMD_PER_LUN 2 #endif #ifndef CAN_QUEUE #define CAN_QUEUE 32 #endif #define NCR5380_implementation_fields \ void __iomem *base #define NCR5380_local_declare() \ void __iomem *base #define NCR5380_setup(instance) \ base = ((struct NCR5380_hostdata *)(instance)->hostdata)->base #define DTC_address(reg) (base + DTC_5380_OFFSET + reg) #define dbNCR5380_read(reg) \ (rval=readb(DTC_address(reg)), \ (((unsigned char) printk("DTC : read register %d at addr %p is: %02x\n"\ , (reg), DTC_address(reg), rval)), rval ) ) #define dbNCR5380_write(reg, value) do { \ printk("DTC : write %02x to register %d at address %p\n", \ (value), (reg), DTC_address(reg)); \ writeb(value, DTC_address(reg));} while(0) #if !(DTCDEBUG & DTCDEBUG_TRANSFER) #define NCR5380_read(reg) (readb(DTC_address(reg))) #define NCR5380_write(reg, value) (writeb(value, DTC_address(reg))) #else #define NCR5380_read(reg) (readb(DTC_address(reg))) #define xNCR5380_read(reg) \ (((unsigned char) printk("DTC : read register %d at address %p\n"\ , (reg), DTC_address(reg))), readb(DTC_address(reg))) #define NCR5380_write(reg, value) do { \ printk("DTC : write %02x to register %d at address %p\n", \ (value), (reg), DTC_address(reg)); \ writeb(value, DTC_address(reg));} while(0) #endif #define NCR5380_intr dtc_intr #define NCR5380_queue_command dtc_queue_command #define NCR5380_abort dtc_abort #define NCR5380_bus_reset dtc_bus_reset #define NCR5380_proc_info dtc_proc_info /* 15 12 11 10 1001 1100 0000 0000 */ #define DTC_IRQS 0x9c00 #endif /* DTC3280_H */ |