4 /* $Id: a3000.h,v 1.4 1997/01/19 23:07:10 davem Exp $
6 * Header file for the Amiga 3000 built-in SCSI controller for Linux
8 * Written and (C) 1993, Hamish Macdonald, see a3000.c for more info
12 #include <linux/types.h>
14 int a3000_detect(struct scsi_host_template *);
15 int a3000_release(struct Scsi_Host *);
26 * if the transfer address ANDed with this results in a non-zero
27 * result, then we can't use DMA.
29 #define A3000_XFER_MASK (0x00000003)
32 unsigned char pad1[2];
33 volatile unsigned short DAWR;
34 volatile unsigned int WTC;
35 unsigned char pad2[2];
36 volatile unsigned short CNTR;
37 volatile unsigned long ACR;
38 unsigned char pad3[2];
39 volatile unsigned short ST_DMA;
40 unsigned char pad4[2];
41 volatile unsigned short FLUSH;
42 unsigned char pad5[2];
43 volatile unsigned short CINT;
44 unsigned char pad6[2];
45 volatile unsigned short ISTR;
46 unsigned char pad7[30];
47 volatile unsigned short SP_DMA;
49 volatile unsigned char SASR;
51 volatile unsigned char SCMD;
54 #define DAWR_A3000 (3)
57 #define CNTR_TCEN (1<<5)
58 #define CNTR_PREST (1<<4)
59 #define CNTR_PDMD (1<<3)
60 #define CNTR_INTEN (1<<2)
61 #define CNTR_DDIR (1<<1)
62 #define CNTR_IO_DX (1<<0)
65 #define ISTR_INTX (1<<8)
66 #define ISTR_INT_F (1<<7)
67 #define ISTR_INTS (1<<6)
68 #define ISTR_E_INT (1<<5)
69 #define ISTR_INT_P (1<<4)
70 #define ISTR_UE_INT (1<<3)
71 #define ISTR_OE_INT (1<<2)
72 #define ISTR_FF_FLG (1<<1)
73 #define ISTR_FE_FLG (1<<0)