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
14#ifndef CMD_PER_LUN
15#define CMD_PER_LUN		2
16#endif
17
18#ifndef CAN_QUEUE
19#define CAN_QUEUE		16
20#endif
21
22/*
23 * if the transfer address ANDed with this results in a non-zero
24 * result, then we can't use DMA.
25 */
26#define GVP11_XFER_MASK		(0xff000001)
27
28struct gvp11_scsiregs {
29		 unsigned char	pad1[64];
30	volatile unsigned short	CNTR;
31		 unsigned char	pad2[31];
32	volatile unsigned char	SASR;
33		 unsigned char	pad3;
34	volatile unsigned char	SCMD;
35		 unsigned char	pad4[4];
36	volatile unsigned short	BANK;
37		 unsigned char	pad5[6];
38	volatile unsigned long	ACR;
39	volatile unsigned short	secret1; /* store 0 here */
40	volatile unsigned short	ST_DMA;
41	volatile unsigned short	SP_DMA;
42	volatile unsigned short	secret2; /* store 1 here */
43	volatile unsigned short	secret3; /* store 15 here */
44};
45
46/* bits in CNTR */
47#define GVP11_DMAC_BUSY		(1<<0)
48#define GVP11_DMAC_INT_PENDING	(1<<1)
49#define GVP11_DMAC_INT_ENABLE	(1<<3)
50#define GVP11_DMAC_DIR_WRITE	(1<<4)
51
52#endif /* GVP11_H */
53