Annotation of sys/arch/hp300/dev/apcireg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: apcireg.h,v 1.2 1997/07/06 08:01:45 downsj Exp $ */
2: /* $NetBSD: apcireg.h,v 1.2 1997/05/12 08:14:01 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1997 Michael Smith. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26: * SUCH DAMAGE.
27: */
28:
29: #include <hp300/dev/iotypes.h>
30:
31: struct apciregs {
32: vu_char ap_data;
33: u_char pad0[3];
34: vu_char ap_ier;
35: u_char pad1[3];
36: vu_char ap_iir;
37: #define ap_fifo ap_iir
38: u_char pad2[3];
39: vu_char ap_cfcr;
40: u_char pad3[3];
41: vu_char ap_mcr;
42: u_char pad4[3];
43: vu_char ap_lsr;
44: u_char pad5[3];
45: vu_char ap_msr;
46: u_char pad6[3];
47: vu_char ap_scratch;
48: };
49:
50: /* max number of apci ports */
51: #define APCI_MAXPORT 4
52:
53: /*
54: * baudrate divisor calculations.
55: *
56: * The input clock frequency appears to be 8.0064MHz, giving a scale
57: * factor of 500400. (Using exactly 8MHz gives framing errors with
58: * the Apollo keyboard.)
59: */
60: #define APCIBRD(x) (500000 / (x))
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