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gvp11.h
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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 
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 
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 */