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#ifndef A3000_H

#define A3000_H

/* $Id: a3000.h,v 1.1.1.1 2004-04-15 02:13:50 phoenix 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

#define _A3000_SCSI { proc_name:           "A3000",                     \

                      proc_info:           NULL,                        \

                      name:                "Amiga 3000 built-in SCSI",  \

                      detect:              a3000_detect,                \

                      release:             a3000_release,               \

                      queuecommand:        wd33c93_queuecommand,        \

                      abort:               wd33c93_abort,               \

                      reset:               wd33c93_reset,               \

                      can_queue:           CAN_QUEUE,                   \

                      this_id:             7,                           \

                      sg_tablesize:        SG_ALL,                      \

                      cmd_per_lun:         CMD_PER_LUN,                 \

                      use_clustering:      ENABLE_CLUSTERING }

/*

 * 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 /* A3000_H */