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#ifndef A3000_H
/* $Id: a3000.h,v 1.4 1997/01/19 23:07:10 davem Exp $
*
* Header file for the Amiga 3000 built-in SCSI controller for Linux
*
* Written and (C) 1993, Hamish Macdonald, see a3000.c for more info
*
*/
#include <linux/types.h>
int a3000_detect(Scsi_Host_Template *);
int a3000_release(struct Scsi_Host *);
const char *wd33c93_info(void);
int wd33c93_queuecommand(Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
int wd33c93_abort(Scsi_Cmnd *);
int wd33c93_reset(Scsi_Cmnd *, unsigned int);
#ifndef NULL
#define NULL 0
#endif
#ifndef CMD_PER_LUN
#define CMD_PER_LUN 2
#endif
#ifndef CAN_QUEUE
#define CAN_QUEUE 16
#endif
#ifdef HOSTS_C
extern struct proc_dir_entry proc_scsi_a3000;
#define A3000_SCSI { /* next */ NULL, \
/* module */ NULL, \
/* proc_dir_entry */ &proc_scsi_a3000, \
/* proc_info */ NULL, \
/* name */ "Amiga 3000 built-in SCSI", \
/* detect */ a3000_detect, \
/* release */ a3000_release, \
/* info */ NULL, \
/* command */ NULL, \
/* queuecommand */ wd33c93_queuecommand, \
/* abort */ wd33c93_abort, \
/* reset */ wd33c93_reset, \
/* slave_attach */ NULL, \
/* bios_param */ NULL, \
/* can_queue */ CAN_QUEUE, \
/* this_id */ 7, \
/* sg_tablesize */ SG_ALL, \
/* cmd_per_lun */ CMD_PER_LUN, \
/* present */ 0, \
/* unchecked_isa_dma */ 0, \
/* use_clustering */ ENABLE_CLUSTERING }
#else
/*
* if the transfer address ANDed with this results in a non-zero
* result, then we can't use DMA.
*/
#define A3000_XFER_MASK (0x00000003)
typedef struct {
unsigned char pad1[2];
volatile unsigned short DAWR;
volatile unsigned int WTC;
unsigned char pad2[2];
volatile unsigned short CNTR;
volatile unsigned long ACR;
unsigned char pad3[2];
volatile unsigned short ST_DMA;
unsigned char pad4[2];
volatile unsigned short FLUSH;
unsigned char pad5[2];
volatile unsigned short CINT;
unsigned char pad6[2];
volatile unsigned short ISTR;
unsigned char pad7[30];
volatile unsigned short SP_DMA;
unsigned char pad8;
volatile unsigned char SASR;
unsigned char pad9;
volatile unsigned char SCMD;
} a3000_scsiregs;
#define DAWR_A3000 (3)
/* CNTR bits. */
#define CNTR_TCEN (1<<5)
#define CNTR_PREST (1<<4)
#define CNTR_PDMD (1<<3)
#define CNTR_INTEN (1<<2)
#define CNTR_DDIR (1<<1)
#define CNTR_IO_DX (1<<0)
/* ISTR bits. */
#define ISTR_INTX (1<<8)
#define ISTR_INT_F (1<<7)
#define ISTR_INTS (1<<6)
#define ISTR_E_INT (1<<5)
#define ISTR_INT_P (1<<4)
#define ISTR_UE_INT (1<<3)
#define ISTR_OE_INT (1<<2)
#define ISTR_FF_FLG (1<<1)
#define ISTR_FE_FLG (1<<0)
#endif /* else def HOSTS_C */
#endif /* A3000_H */
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