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1/* SPDX-License-Identifier: GPL-2.0 */2#ifndef GVP11_H3 4/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $5 *6 * Header file for the GVP Series II SCSI controller for Linux7 *8 * Written and (C) 1993, Ralf Baechle, see gvp11.c for more info9 * based on a2091.h (C) 1993 by Hamish Macdonald10 *11 */12 13#include <linux/types.h>14 15#ifndef CMD_PER_LUN16#define CMD_PER_LUN 217#endif18 19#ifndef CAN_QUEUE20#define CAN_QUEUE 1621#endif22 23/*24 * if the transfer address ANDed with this results in a non-zero25 * result, then we can't use DMA.26 */27#define GVP11_XFER_MASK (0xff000001)28 29struct gvp11_scsiregs {30 unsigned char pad1[64];31 volatile unsigned short CNTR;32 unsigned char pad2[31];33 volatile unsigned char SASR;34 unsigned char pad3;35 volatile unsigned char SCMD;36 unsigned char pad4[4];37 volatile unsigned short BANK;38 unsigned char pad5[6];39 volatile unsigned long ACR;40 volatile unsigned short secret1; /* store 0 here */41 volatile unsigned short ST_DMA;42 volatile unsigned short SP_DMA;43 volatile unsigned short secret2; /* store 1 here */44 volatile unsigned short secret3; /* store 15 here */45};46 47/* bits in CNTR */48#define GVP11_DMAC_BUSY (1<<0)49#define GVP11_DMAC_INT_PENDING (1<<1)50#define GVP11_DMAC_INT_ENABLE (1<<3)51#define GVP11_DMAC_DIR_WRITE (1<<4)52 53#endif /* GVP11_H */54