69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
/* $NetBSD: screg.h,v 1.1 2001/06/11 15:09:54 fredette Exp $ */
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/*-
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* Copyright (c) 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Matthew Fredette.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Register map for the Sun2 SCSI Interface (sc)
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*/
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#if __for_reference_only__
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struct sunsc_regs {
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u_char sunsc_data; /* data register */
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u_char sunsc_unused0;
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u_char sunsc_cmd_stat; /* command/status register */
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u_char sunsc_unused1;
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u_short sunsc_icr; /* interface control register */
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u_short sunsc_unused2;
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u_short sunsc_dma_addr_h; /* DMA address, high 16 */
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u_short sunsc_dma_addr_l; /* DMA address, low 16 */
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u_short sunsc_dma_count;/* DMA count */
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u_char sunsc_unused3;
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u_char sunsc_intvec; /* interrupt vector (VME only) */
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};
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#endif
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/* Register offsets. */
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#define SCREG_DATA (0)
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#define SCREG_CMD_STAT (2)
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#define SCREG_ICR (4)
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#define SCREG_DMA_ADDR_H (8)
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#define SCREG_DMA_ADDR_L (10)
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#define SCREG_DMA_COUNT (12)
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#define SCREG_INTVEC (15)
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#define SCREG_BANK_SZ (16)
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