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ncr5380: Implement NCR5380_dma_xfer_len and remove LIMIT_TRANSFERSIZE macro
[linux-beck.git] / drivers / scsi / dtc.h
1 /*
2  * DTC controller, taken from T128 driver by...
3  * Copyright 1993, Drew Eckhardt
4  *      Visionary Computing
5  *      (Unix and Linux consulting and custom programming)
6  *      drew@colorado.edu
7  *      +1 (303) 440-4894
8  */
9
10 #ifndef DTC3280_H
11 #define DTC3280_H
12
13 #ifndef CMD_PER_LUN
14 #define CMD_PER_LUN 2
15 #endif
16
17 #ifndef CAN_QUEUE
18 #define CAN_QUEUE 32 
19 #endif
20
21 #define NCR5380_implementation_fields \
22     void __iomem *base
23
24 #define DTC_address(reg) \
25         (((struct NCR5380_hostdata *)shost_priv(instance))->base + DTC_5380_OFFSET + reg)
26
27 #define NCR5380_read(reg) (readb(DTC_address(reg)))
28 #define NCR5380_write(reg, value) (writeb(value, DTC_address(reg)))
29
30 #define NCR5380_dma_xfer_len(instance, cmd, phase) \
31         dtc_dma_xfer_len(cmd)
32
33 #define NCR5380_intr                    dtc_intr
34 #define NCR5380_queue_command           dtc_queue_command
35 #define NCR5380_abort                   dtc_abort
36 #define NCR5380_bus_reset               dtc_bus_reset
37 #define NCR5380_info                    dtc_info
38 #define NCR5380_show_info               dtc_show_info 
39 #define NCR5380_write_info              dtc_write_info 
40
41 /* 15 12 11 10
42    1001 1100 0000 0000 */
43
44 #define DTC_IRQS 0x9c00
45
46
47 #endif /* DTC3280_H */