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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [drivers/] [scsi/] [gvp11.h] - Rev 1765

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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 */
 

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