1 /* $NetBSD: screg.h,v 1.1 2001/06/11 15:09:54 fredette Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Matthew Fredette. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Register map for the Sun2 SCSI Interface (sc) 41 */ 42 43 #if __for_reference_only__ 44 struct sunsc_regs { 45 u_char sunsc_data; /* data register */ 46 u_char sunsc_unused0; 47 u_char sunsc_cmd_stat; /* command/status register */ 48 u_char sunsc_unused1; 49 u_short sunsc_icr; /* interface control register */ 50 u_short sunsc_unused2; 51 u_short sunsc_dma_addr_h; /* DMA address, high 16 */ 52 u_short sunsc_dma_addr_l; /* DMA address, low 16 */ 53 u_short sunsc_dma_count;/* DMA count */ 54 u_char sunsc_unused3; 55 u_char sunsc_intvec; /* interrupt vector (VME only) */ 56 }; 57 #endif 58 59 /* Register offsets. */ 60 #define SCREG_DATA (0) 61 #define SCREG_CMD_STAT (2) 62 #define SCREG_ICR (4) 63 #define SCREG_DMA_ADDR_H (8) 64 #define SCREG_DMA_ADDR_L (10) 65 #define SCREG_DMA_COUNT (12) 66 #define SCREG_INTVEC (15) 67 #define SCREG_BANK_SZ (16) 68 69