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1 /*	$NetBSD: dig64.h,v 1.1 2006/04/07 14:21:18 cherry Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 Marcel Moolenaar
5  * 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  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _MACHINE_DIG64_H_
32 #define	_MACHINE_DIG64_H_
33 
34 struct dig64_gas {
35 	uint8_t		addr_space;
36 	uint8_t		bit_width;
37 	uint8_t		bit_offset;
38 	uint8_t		_reserved_;
39 	/*
40 	 * XXX using a 64-bit type for the address would cause padding and
41 	 * using __packed would cause unaligned accesses...
42 	 */
43 	uint32_t	addr_low;
44 	uint32_t	addr_high;
45 };
46 
47 struct dig64_hcdp_entry {
48 	uint8_t		type;
49 #define	DIG64_HCDP_CONSOLE	0
50 #define	DIG64_HCDP_DBGPORT	1
51 	uint8_t		databits;
52 	uint8_t		parity;
53 	uint8_t		stopbits;
54 	uint8_t		pci_segment;
55 	uint8_t		pci_bus;
56 	uint8_t		pci_device:5;
57 	uint8_t		_reserved1_:3;
58 	uint8_t		pci_function:3;
59 	uint8_t		_reserved2_:3;
60 	uint8_t		interrupt:1;
61 	uint8_t		pci_flag:1;
62 	/*
63 	 * XXX using a 64-bit type for the baudrate would cause padding and
64 	 * using __packed would cause unaligned accesses...
65 	 */
66 	uint32_t	baud_low;
67 	uint32_t	baud_high;
68 	struct dig64_gas address;
69 	uint16_t	pci_devid;
70 	uint16_t	pci_vendor;
71 	uint32_t	irq;
72 	uint32_t	pclock;
73 	uint8_t		pci_interface;
74 	uint8_t		_reserved3_[7];
75 };
76 
77 struct dig64_hcdp_table {
78 	char		signature[4];
79 #define	HCDP_SIGNATURE	"HCDP"
80 	uint32_t	length;
81 	uint8_t		revision;
82 	uint8_t		checksum;
83 	char		oem_id[6];
84 	char		oem_tbl_id[8];
85 	uint32_t	oem_rev;
86 	char		creator_id[4];
87 	uint32_t	creator_rev;
88 	uint32_t	entries;
89 	struct dig64_hcdp_entry entry[1];
90 };
91 
92 #endif
93