/* SPDX-License-Identifier: GPL-2.0 */
#ifndef GVP11_H
/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem 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>
#ifndef CMD_PER_LUN
#define CMD_PER_LUN 2
#endif
#ifndef CAN_QUEUE
#define CAN_QUEUE 16
#endif
/*
* if the transfer address ANDed with this results in a non - zero
* result , then we can ' t use DMA .
*/
#define GVP11_XFER_MASK (0 xff000001)
struct gvp11_scsiregs {
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 */
};
/* 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 /* GVP11_H */
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