54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef GVP11_H
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/* $Id: gvp11.h,v 1.4 1997/01/19 23:07:12 davem Exp $
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*
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* Header file for the GVP Series II SCSI controller for Linux
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*
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* Written and (C) 1993, Ralf Baechle, see gvp11.c for more info
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* based on a2091.h (C) 1993 by Hamish Macdonald
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*
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*/
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#include <linux/types.h>
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#ifndef CMD_PER_LUN
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#define CMD_PER_LUN 2
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#endif
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#ifndef CAN_QUEUE
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#define CAN_QUEUE 16
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#endif
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/*
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* if the transfer address ANDed with this results in a non-zero
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* result, then we can't use DMA.
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*/
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#define GVP11_XFER_MASK (0xff000001)
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struct gvp11_scsiregs {
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unsigned char pad1[64];
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volatile unsigned short CNTR;
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unsigned char pad2[31];
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volatile unsigned char SASR;
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unsigned char pad3;
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volatile unsigned char SCMD;
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unsigned char pad4[4];
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volatile unsigned short BANK;
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unsigned char pad5[6];
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volatile unsigned long ACR;
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volatile unsigned short secret1; /* store 0 here */
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volatile unsigned short ST_DMA;
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volatile unsigned short SP_DMA;
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volatile unsigned short secret2; /* store 1 here */
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volatile unsigned short secret3; /* store 15 here */
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};
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/* bits in CNTR */
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#define GVP11_DMAC_BUSY (1<<0)
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#define GVP11_DMAC_INT_PENDING (1<<1)
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#define GVP11_DMAC_INT_ENABLE (1<<3)
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#define GVP11_DMAC_DIR_WRITE (1<<4)
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#endif /* GVP11_H */
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