FreeBSD/Linux Kernel Cross Reference
sys/dev/vme/screg.h
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
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