4 /* $Id: a2091.h,v 1.4 1997/01/19 23:07:09 davem Exp $
6 * Header file for the Commodore A2091 Zorro II SCSI controller for Linux
8 * Written and (C) 1993, Hamish Macdonald, see a2091.c for more info
12 #include <linux/types.h>
14 int a2091_detect(struct scsi_host_template *);
15 int a2091_release(struct Scsi_Host *);
16 const char *wd33c93_info(void);
17 int wd33c93_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
18 int wd33c93_abort(Scsi_Cmnd *);
19 int wd33c93_reset(Scsi_Cmnd *, unsigned int);
30 * if the transfer address ANDed with this results in a non-zero
31 * result, then we can't use DMA.
33 #define A2091_XFER_MASK (0xff000001)
36 unsigned char pad1[64];
37 volatile unsigned short ISTR;
38 volatile unsigned short CNTR;
39 unsigned char pad2[60];
40 volatile unsigned int WTC;
41 volatile unsigned long ACR;
42 unsigned char pad3[6];
43 volatile unsigned short DAWR;
45 volatile unsigned char SASR;
47 volatile unsigned char SCMD;
48 unsigned char pad6[76];
49 volatile unsigned short ST_DMA;
50 volatile unsigned short SP_DMA;
51 volatile unsigned short CINT;
52 unsigned char pad7[2];
53 volatile unsigned short FLUSH;
56 #define DAWR_A2091 (3)
59 #define CNTR_TCEN (1<<7)
60 #define CNTR_PREST (1<<6)
61 #define CNTR_PDMD (1<<5)
62 #define CNTR_INTEN (1<<4)
63 #define CNTR_DDIR (1<<3)
66 #define ISTR_INTX (1<<8)
67 #define ISTR_INT_F (1<<7)
68 #define ISTR_INTS (1<<6)
69 #define ISTR_E_INT (1<<5)
70 #define ISTR_INT_P (1<<4)
71 #define ISTR_UE_INT (1<<3)
72 #define ISTR_OE_INT (1<<2)
73 #define ISTR_FF_FLG (1<<1)
74 #define ISTR_FE_FLG (1<<0)