Annotation of sys/arch/vax/uba/uba_common.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: uba_common.h,v 1.4 2003/11/10 21:05:06 miod Exp $ */
2: /* $NetBSD: uba_common.h,v 1.2 1999/06/21 16:23:01 ragge Exp $ */
3: /*-
4: * Copyright (c) 1982, 1986 The Regents of the University of California.
5: * All rights reserved.
6: * (c) UNIX System Laboratories, Inc.
7: * All or some portions of this file are derived from material licensed
8: * to the University of California by American Telephone and Telegraph
9: * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10: * the permission of UNIX System Laboratories, Inc.
11: *
12: * Redistribution and use in source and binary forms, with or without
13: * modification, are permitted provided that the following conditions
14: * are met:
15: * 1. Redistributions of source code must retain the above copyright
16: * notice, this list of conditions and the following disclaimer.
17: * 2. Redistributions in binary form must reproduce the above copyright
18: * notice, this list of conditions and the following disclaimer in the
19: * documentation and/or other materials provided with the distribution.
20: * 3. Neither the name of the University nor the names of its contributors
21: * may be used to endorse or promote products derived from this software
22: * without specific prior written permission.
23: *
24: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34: * SUCH DAMAGE.
35: *
36: * @(#)ubareg.h 7.8 (Berkeley) 5/9/91
37: */
38:
39: /*
40: * VAX-specific parts of the Unibus softc.
41: */
42: struct uba_regs;
43:
44: struct uba_vsoftc {
45: struct uba_softc uv_sc;/* Common vars from arch/vax/qbus/ubavar.h */
46: struct vax_bus_dma_tag uv_dmat;
47: struct vax_sgmap uv_sgmap;
48: int uv_size; /* Size of UBA addressable memory */
49: paddr_t uv_addr; /* Physical address of map registers */
50: struct uba_regs *uv_uba;/* Where applicable */
51: int uh_ibase;
52: int uh_zvtime;
53: int uh_zvtotal;
54: int uh_zvcnt;
55: };
56:
57: /*
58: * Size of unibus memory address space in pages
59: * (also number of map registers).
60: */
61: #define UBAPAGES 496
62: #define UBAIOADDR 0760000 /* start of I/O page */
63: #define UBAIOPAGES 16
64:
65: /*
66: * DW780/DW750 hardware registers
67: */
68: struct uba_regs {
69: int uba_cnfgr; /* configuration register */
70: int uba_cr; /* control register */
71: int uba_sr; /* status register */
72: int uba_dcr; /* diagnostic control register */
73: int uba_fmer; /* failed map entry register */
74: int uba_fubar; /* failed UNIBUS address register */
75: int pad1[2];
76: int uba_brsvr[4];
77: int uba_brrvr[4]; /* receive vector registers */
78: int uba_dpr[16]; /* buffered data path register */
79: int pad2[480];
80: pt_entry_t uba_map[UBAPAGES]; /* unibus map register */
81: int pad3[UBAIOPAGES]; /* no maps for device address space */
82: };
83:
84: void uba_dma_init(struct uba_vsoftc *);
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