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#ifndef GVP11_H

/* $Id: gvp11.h,v 1.1 2005-12-20 10:17:45 jcastillo Exp $

 *

 * Header file for the GVP Series II SCSI controller for Linux

 *

 * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info

 * based on a2091.h (C) 1993 by Hamish Macdonald

 *

 */

#include <linux/types.h>

int gvp11_detect(Scsi_Host_Template *);

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_gvp11;

#define GVP11_SCSI {  /* next */                NULL,            \

                      /* usage_count */         NULL,            \

                      /* proc_dir_entry */      &proc_scsi_gvp11, \

                      /* proc_info */           NULL,            \

                      /* name */                "GVP Series II SCSI", \

                      /* detect */              gvp11_detect,    \

                      /* release */             NULL,            \

                      /* 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 */      DISABLE_CLUSTERING }

#else

/*

 * if the transfer address ANDed with this results in a non-zero

 * result, then we can't use DMA.

 */

#define GVP11_XFER_MASK  (0xff000001)

typedef struct {

             unsigned char      pad1[64];

    volatile unsigned short     CNTR;

             unsigned char      pad2[31];

    volatile unsigned char      SASR;

             unsigned char      pad3;

    volatile unsigned char      SCMD;

             unsigned char      pad4[4];

    volatile unsigned short     BANK;

             unsigned char      pad5[6];

    volatile unsigned long      ACR;

    volatile unsigned short     secret1; /* store 0 here */

    volatile unsigned short     ST_DMA;

    volatile unsigned short     SP_DMA;

    volatile unsigned short     secret2; /* store 1 here */

    volatile unsigned short     secret3; /* store 15 here */

} gvp11_scsiregs;

/* bits in CNTR */

#define GVP11_DMAC_BUSY         (1<<0)

#define GVP11_DMAC_INT_PENDING  (1<<1)

#define GVP11_DMAC_INT_ENABLE   (1<<3)

#define GVP11_DMAC_DIR_WRITE    (1<<4)

#endif /* else def HOSTS_C */

#endif /* GVP11_H */