3 /* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
5 * Header file for the GVP Series II SCSI controller for Linux
7 * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info
8 * based on a2091.h (C) 1993 by Hamish Macdonald
12 #include <linux/types.h>
23 * if the transfer address ANDed with this results in a non-zero
24 * result, then we can't use DMA.
26 #define GVP11_XFER_MASK (0xff000001)
28 struct gvp11_scsiregs
{
29 unsigned char pad1
[64];
30 volatile unsigned short CNTR
;
31 unsigned char pad2
[31];
32 volatile unsigned char SASR
;
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 */
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)
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