NetBSD/sys/dev/vme/screg.h

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