1 /*
2  *	ultrastor.c	(C) 1991 David B. Gentzel
3  *	Low-level scsi driver for UltraStor 14F
4  *	by David B. Gentzel, Whitfield Software Services, Carnegie, PA
5  *	    (gentzel@nova.enet.dec.com)
6  *  scatter/gather added by Scott Taylor (n217cg@tamuts.tamu.edu)
7  *  24F support by John F. Carr (jfc@athena.mit.edu)
8  *    John's work modified by Caleb Epstein (cae@jpmorgan.com) and
9  *    Eric Youngdale (eric@tantalus.nrl.navy.mil).
10  *	Thanks to UltraStor for providing the necessary documentation
11  */
12 
13 #ifndef _ULTRASTOR_H
14 #define _ULTRASTOR_H
15 #include <linux/kdev_t.h>
16 
17 int ultrastor_detect(Scsi_Host_Template *);
18 const char *ultrastor_info(struct Scsi_Host * shpnt);
19 int ultrastor_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
20 int ultrastor_abort(Scsi_Cmnd *);
21 int ultrastor_reset(Scsi_Cmnd *, unsigned int);
22 int ultrastor_biosparam(Disk *, kdev_t, int *);
23 
24 
25 #define ULTRASTOR_14F_MAX_SG 16
26 #define ULTRASTOR_24F_MAX_SG 33
27 
28 #define ULTRASTOR_MAX_CMDS_PER_LUN 5
29 #define ULTRASTOR_MAX_CMDS 16
30 
31 #define ULTRASTOR_24F_PORT 0xC80
32 
33 
34 #define ULTRASTOR_14F {   name:              "UltraStor 14F/24F/34F", 	\
35 			  detect:            ultrastor_detect, 		\
36 			  info:              ultrastor_info, 		\
37 			  queuecommand:      ultrastor_queuecommand,	\
38 			  abort:             ultrastor_abort, 		\
39 			  reset:             ultrastor_reset,		\
40 			  bios_param:        ultrastor_biosparam, 	\
41 			  can_queue:         ULTRASTOR_MAX_CMDS,	\
42 			  this_id:           0, 			\
43 			  sg_tablesize:      ULTRASTOR_14F_MAX_SG, 	\
44 			  cmd_per_lun:       ULTRASTOR_MAX_CMDS_PER_LUN,\
45 			  unchecked_isa_dma: 1, 			\
46 			  use_clustering:    ENABLE_CLUSTERING }
47 
48 
49 #ifdef ULTRASTOR_PRIVATE
50 
51 #define UD_ABORT	0x0001
52 #define UD_COMMAND	0x0002
53 #define UD_DETECT	0x0004
54 #define UD_INTERRUPT	0x0008
55 #define UD_RESET	0x0010
56 #define UD_MULTI_CMD	0x0020
57 #define UD_CSIR		0x0040
58 #define UD_ERROR	0x0080
59 
60 /* #define PORT_OVERRIDE 0x330 */
61 
62 /* Values for the PRODUCT_ID ports for the 14F */
63 #define US14F_PRODUCT_ID_0 0x56
64 #define US14F_PRODUCT_ID_1 0x40		/* NOTE: Only upper nibble is used */
65 
66 #define US24F_PRODUCT_ID_0 0x56
67 #define US24F_PRODUCT_ID_1 0x63
68 #define US24F_PRODUCT_ID_2 0x02
69 
70 /* Subversion values */
71 #define U14F 0
72 #define U34F 1
73 
74 /* MSCP field values */
75 
76 /* Opcode */
77 #define OP_HOST_ADAPTER 0x1
78 #define OP_SCSI 0x2
79 #define OP_RESET 0x4
80 
81 /* Date Transfer Direction */
82 #define DTD_SCSI 0x0
83 #define DTD_IN 0x1
84 #define DTD_OUT 0x2
85 #define DTD_NONE 0x3
86 
87 /* Host Adapter command subcodes */
88 #define HA_CMD_INQUIRY 0x1
89 #define HA_CMD_SELF_DIAG 0x2
90 #define HA_CMD_READ_BUFF 0x3
91 #define HA_CMD_WRITE_BUFF 0x4
92 
93 #endif
94 
95 #endif
96