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(Scsi_Host_Template
*);
15 int a3000_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);
33 #define _A3000_SCSI { proc_name: "A3000", \
35 name: "Amiga 3000 built-in SCSI", \
36 detect: a3000_detect, \
37 release: a3000_release, \
38 queuecommand: wd33c93_queuecommand, \
39 abort: wd33c93_abort, \
40 reset: wd33c93_reset, \
41 can_queue: CAN_QUEUE, \
43 sg_tablesize: SG_ALL, \
44 cmd_per_lun: CMD_PER_LUN, \
45 use_clustering: ENABLE_CLUSTERING }
48 * if the transfer address ANDed with this results in a non-zero
49 * result, then we can't use DMA.
51 #define A3000_XFER_MASK (0x00000003)
54 unsigned char pad1
[2];
55 volatile unsigned short DAWR
;
56 volatile unsigned int WTC
;
57 unsigned char pad2
[2];
58 volatile unsigned short CNTR
;
59 volatile unsigned long ACR
;
60 unsigned char pad3
[2];
61 volatile unsigned short ST_DMA
;
62 unsigned char pad4
[2];
63 volatile unsigned short FLUSH
;
64 unsigned char pad5
[2];
65 volatile unsigned short CINT
;
66 unsigned char pad6
[2];
67 volatile unsigned short ISTR
;
68 unsigned char pad7
[30];
69 volatile unsigned short SP_DMA
;
71 volatile unsigned char SASR
;
73 volatile unsigned char SCMD
;
76 #define DAWR_A3000 (3)
79 #define CNTR_TCEN (1<<5)
80 #define CNTR_PREST (1<<4)
81 #define CNTR_PDMD (1<<3)
82 #define CNTR_INTEN (1<<2)
83 #define CNTR_DDIR (1<<1)
84 #define CNTR_IO_DX (1<<0)
87 #define ISTR_INTX (1<<8)
88 #define ISTR_INT_F (1<<7)
89 #define ISTR_INTS (1<<6)
90 #define ISTR_E_INT (1<<5)
91 #define ISTR_INT_P (1<<4)
92 #define ISTR_UE_INT (1<<3)
93 #define ISTR_OE_INT (1<<2)
94 #define ISTR_FF_FLG (1<<1)
95 #define ISTR_FE_FLG (1<<0)