airo: Off-by-one channel fix
[linux-2.6] / drivers / scsi / g_NCR5380.h
1 /*
2  * Generic Generic NCR5380 driver defines
3  *
4  * Copyright 1993, Drew Eckhardt
5  *      Visionary Computing
6  *      (Unix and Linux consulting and custom programming)
7  *      drew@colorado.edu
8  *      +1 (303) 440-4894
9  *
10  * NCR53C400 extensions (c) 1994,1995,1996, Kevin Lentin
11  *    K.Lentin@cs.monash.edu.au
12  *
13  * ALPHA RELEASE 1. 
14  *
15  * For more information, please consult 
16  *
17  * NCR 5380 Family
18  * SCSI Protocol Controller
19  * Databook
20  *
21  * NCR Microelectronics
22  * 1635 Aeroplaza Drive
23  * Colorado Springs, CO 80916
24  * 1+ (719) 578-3400
25  * 1+ (800) 334-5454
26  */
27
28 /*
29  * $Log: generic_NCR5380.h,v $
30  */
31
32 #ifndef GENERIC_NCR5380_H
33 #define GENERIC_NCR5380_H
34
35 #include <linux/config.h>
36
37 #define GENERIC_NCR5380_PUBLIC_RELEASE 1
38
39 #ifdef NCR53C400
40 #define BIOSPARAM
41 #define NCR5380_BIOSPARAM generic_NCR5380_biosparam
42 #else
43 #define NCR5380_BIOSPARAM NULL
44 #endif
45
46 #ifndef ASM
47 static int generic_NCR5380_abort(Scsi_Cmnd *);
48 static int generic_NCR5380_detect(struct scsi_host_template *);
49 static int generic_NCR5380_release_resources(struct Scsi_Host *);
50 static int generic_NCR5380_queue_command(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
51 static int generic_NCR5380_bus_reset(Scsi_Cmnd *);
52 static const char* generic_NCR5380_info(struct Scsi_Host *);
53
54 #ifndef CMD_PER_LUN
55 #define CMD_PER_LUN 2
56 #endif
57
58 #ifndef CAN_QUEUE
59 #define CAN_QUEUE 16
60 #endif
61
62 #ifndef HOSTS_C
63
64 #define __STRVAL(x) #x
65 #define STRVAL(x) __STRVAL(x)
66
67 #ifndef CONFIG_SCSI_G_NCR5380_MEM
68
69 #define NCR5380_map_config port
70 #define NCR5380_map_type int
71 #define NCR5380_map_name port
72 #define NCR5380_instance_name io_port
73 #define NCR53C400_register_offset 0
74 #define NCR53C400_address_adjust 8
75
76 #ifdef NCR53C400
77 #define NCR5380_region_size 16
78 #else
79 #define NCR5380_region_size 8
80 #endif
81
82 #define NCR5380_read(reg) (inb(NCR5380_map_name + (reg)))
83 #define NCR5380_write(reg, value) (outb((value), (NCR5380_map_name + (reg))))
84
85 #else 
86 /* therefore CONFIG_SCSI_G_NCR5380_MEM */
87
88 #define NCR5380_map_config memory
89 #define NCR5380_map_type unsigned long
90 #define NCR5380_map_name base
91 #define NCR5380_instance_name base
92 #define NCR53C400_register_offset 0x108
93 #define NCR53C400_address_adjust 0
94 #define NCR53C400_mem_base 0x3880
95 #define NCR53C400_host_buffer 0x3900
96 #define NCR5380_region_size 0x3a00
97
98 #define NCR5380_read(reg) isa_readb(NCR5380_map_name + NCR53C400_mem_base + (reg))
99 #define NCR5380_write(reg, value) isa_writeb(value, NCR5380_map_name + NCR53C400_mem_base + (reg))
100 #endif
101
102 #define NCR5380_implementation_fields \
103     NCR5380_map_type NCR5380_map_name
104
105 #define NCR5380_local_declare() \
106     register NCR5380_implementation_fields
107
108 #define NCR5380_setup(instance) \
109     NCR5380_map_name = (NCR5380_map_type)((instance)->NCR5380_instance_name)
110
111 #define NCR5380_intr generic_NCR5380_intr
112 #define NCR5380_queue_command generic_NCR5380_queue_command
113 #define NCR5380_abort generic_NCR5380_abort
114 #define NCR5380_bus_reset generic_NCR5380_bus_reset
115 #define NCR5380_pread generic_NCR5380_pread
116 #define NCR5380_pwrite generic_NCR5380_pwrite
117 #define NCR5380_proc_info notyet_generic_proc_info
118
119 #define BOARD_NCR5380   0
120 #define BOARD_NCR53C400 1
121 #define BOARD_NCR53C400A 2
122 #define BOARD_DTC3181E  3
123
124 #endif /* else def HOSTS_C */
125 #endif /* ndef ASM */
126 #endif /* GENERIC_NCR5380_H */
127