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1#ifndef GVP11_H
2
3/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
4 *
5 * Header file for the GVP Series II SCSI controller for Linux
6 *
7 * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info
8 * based on a2091.h (C) 1993 by Hamish Macdonald
9 *
10 */
11
12#include <linux/types.h>
13
14int gvp11_detect(struct scsi_host_template *);
15int gvp11_release(struct Scsi_Host *);
16
17#ifndef CMD_PER_LUN
18#define CMD_PER_LUN 2
19#endif
20
21#ifndef CAN_QUEUE
22#define CAN_QUEUE 16
23#endif
24
25#ifndef HOSTS_C
26
27/*
28 * if the transfer address ANDed with this results in a non-zero
29 * result, then we can't use DMA.
30 */
31#define GVP11_XFER_MASK (0xff000001)
32
33typedef struct {
34 unsigned char pad1[64];
35 volatile unsigned short CNTR;
36 unsigned char pad2[31];
37 volatile unsigned char SASR;
38 unsigned char pad3;
39 volatile unsigned char SCMD;
40 unsigned char pad4[4];
41 volatile unsigned short BANK;
42 unsigned char pad5[6];
43 volatile unsigned long ACR;
44 volatile unsigned short secret1; /* store 0 here */
45 volatile unsigned short ST_DMA;
46 volatile unsigned short SP_DMA;
47 volatile unsigned short secret2; /* store 1 here */
48 volatile unsigned short secret3; /* store 15 here */
49} gvp11_scsiregs;
50
51/* bits in CNTR */
52#define GVP11_DMAC_BUSY (1<<0)
53#define GVP11_DMAC_INT_PENDING (1<<1)
54#define GVP11_DMAC_INT_ENABLE (1<<3)
55#define GVP11_DMAC_DIR_WRITE (1<<4)
56
57#endif /* else def HOSTS_C */
58
59#endif /* GVP11_H */