Annotation of sys/dev/pci/pcscpreg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: pcscpreg.h,v 1.2 2001/02/14 05:11:21 fgsch Exp $ */
2: /* $NetBSD$ */
3:
4: /*-
5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
6: * All rights reserved.
7: *
8: * This code is derived from software contributed to The NetBSD Foundation
9: * by Izumi Tsutsui.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. All advertising materials mentioning features or use of this software
20: * must display the following acknowledgement:
21: * This product includes software developed by the NetBSD
22: * Foundation, Inc. and its contributors.
23: * 4. Neither the name of The NetBSD Foundation nor the names of its
24: * contributors may be used to endorse or promote products derived
25: * from this software without specific prior written permission.
26: *
27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37: * POSSIBILITY OF SUCH DAMAGE.
38: */
39:
40: /*
41: * Am53c974 DMA engine registers
42: */
43:
44: #define DMA_CMD 0x40 /* Command */
45: #define DMACMD_RSVD 0xFFFFFF28 /* reserved */
46: #define DMACMD_DIR 0x00000080 /* Transfer Direction (read:1) */
47: #define DMACMD_INTE 0x00000040 /* DMA Interrupt Enable */
48: #define DMACMD_MDL 0x00000010 /* Map to Memory Description List */
49: #define DMACMD_DIAG 0x00000004 /* Diagnostic */
50: #define DMACMD_CMD 0x00000003 /* Command Code Bit */
51: #define DMACMD_IDLE 0x00000000 /* Idle */
52: #define DMACMD_BLAST 0x00000001 /* Blast */
53: #define DMACMD_ABORT 0x00000002 /* Abort */
54: #define DMACMD_START 0x00000003 /* Start */
55:
56: #define DMA_STC 0x44 /* Start Transfer Count */
57: #define DMA_SPA 0x48 /* Start Physical Address */
58: #define DMA_WBC 0x4C /* Working Byte Counter */
59: #define DMA_WAC 0x50 /* Working Address Counter */
60:
61: #define DMA_STAT 0x54 /* Status Register */
62: #define DMASTAT_RSVD 0xFFFFFF80 /* reserved */
63: #define DMASTAT_PABT 0x00000040 /* PCI master/target Abort */
64: #define DMASTAT_BCMP 0x00000020 /* BLAST Complete */
65: #define DMASTAT_SINT 0x00000010 /* SCSI Interrupt */
66: #define DMASTAT_DONE 0x00000008 /* DMA Transfer Terminated */
67: #define DMASTAT_ABT 0x00000004 /* DMA Transfer Aborted */
68: #define DMASTAT_ERR 0x00000002 /* DMA Transfer Error */
69: #define DMASTAT_PWDN 0x00000001 /* Power Down Indicator */
70:
71: #define DMA_SMDLA 0x58 /* Starting Memory Descpritor List Address */
72: #define DMA_WMAC 0x5C /* Working MDL Counter */
73: #define DMA_SBAC 0x70 /* SCSI Bus and Control */
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