xref: /netbsd/sys/dev/isapnp/isapnpreg.h (revision ce099b40)
1 /*	$NetBSD: isapnpreg.h,v 1.10 2008/04/28 20:23:53 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _DEV_ISAPNP_ISAPNPREG_H_
33 #define _DEV_ISAPNP_ISAPNPREG_H_
34 /*
35  * ISA Plug and Play register definitions;
36  * From Plug and Play ISA Specification V1.0a, May 5 1994
37  */
38 
39 #define ISAPNP_MAX_CARDS		8
40 #define ISAPNP_MAX_IDENT		32
41 #define ISAPNP_MAX_DEVCLASS		16
42 #define ISAPNP_SERIAL_SIZE		9
43 #define ISAPNP_MAX_TAGSIZE		256
44 
45 #define ISAPNP_ADDR	0x279	/* Write only */
46 #define ISAPNP_WRDATA	0xa79	/* Write only */
47 
48 /* The read port is in range 0x203 to 0x3ff */
49 #define ISAPNP_RDDATA_MIN	0x203	/* Read only */
50 #define ISAPNP_RDDATA_MAX	0x3ff
51 
52 #define ISAPNP_LFSR_INIT	0x6A	/* Initial value of LFSR sequence */
53 #define ISAPNP_LFSR_LENGTH	32	/* Number of values in LFSR sequence */
54 				/* Formula to compute the next value */
55 #define ISAPNP_LFSR_NEXT(v) (((v) >> 1) | (((v) & 1) ^ (((v) & 2) >> 1)) << 7)
56 
57 #define ISAPNP_SET_RD_PORT				0x00
58 #define ISAPNP_SERIAL_ISOLATION				0x01
59 #define ISAPNP_CONFIG_CONTROL				0x02
60 #define		ISAPNP_CC_RESET				0x01
61 #define		ISAPNP_CC_WAIT_FOR_KEY			0x02
62 #define		ISAPNP_CC_RESET_CSN			0x04
63 #define		ISAPNP_CC_RESET_DRV			0x07
64 #define ISAPNP_WAKE					0x03
65 #define ISAPNP_RESOURCE_DATA				0x04
66 #define ISAPNP_STATUS					0x05
67 #define ISAPNP_CARD_SELECT_NUM				0x06
68 #define ISAPNP_LOGICAL_DEV_NUM				0x07
69 
70 #define ISAPNP_ACTIVATE					0x30
71 #define ISAPNP_IO_RANGE_CHECK				0x31
72 
73 #define ISAPNP_NUM_MEM					4
74 #define ISAPNP_MEM_DESC { 0x40, 0x48, 0x50, 0x58 }
75 #define		ISAPNP_MEM_BASE_23_16			0x0
76 #define		ISAPNP_MEM_BASE_15_8			0x1
77 #define		ISAPNP_MEM_CONTROL			0x2
78 #define			ISAPNP_MEM_CONTROL_LIMIT	1
79 #define			ISAPNP_MEM_CONTROL_16		2
80 #define		ISAPNP_MEM_LRANGE_23_16			0x3
81 #define		ISAPNP_MEM_LRANGE_15_8			0x4
82 
83 #define ISAPNP_NUM_IO					8
84 #define ISAPNP_IO_DESC { 0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e }
85 #define		ISAPNP_IO_BASE_15_8			0x0
86 #define		ISAPNP_IO_BASE_7_0			0x1
87 
88 #define ISAPNP_NUM_IRQ					16
89 #define ISAPNP_IRQ_DESC { 0x70, 0x72 }
90 #define		ISAPNP_IRQ_NUMBER			0x0
91 #define		ISAPNP_IRQ_CONTROL			0x1
92 #define			ISAPNP_IRQ_LEVEL		1
93 #define			ISAPNP_IRQ_HIGH			2
94 
95 #define ISAPNP_NUM_DRQ					8
96 #define ISAPNP_DRQ_DESC { 0x74, 0x75 }
97 
98 #define ISAPNP_NUM_MEM32				4
99 #define ISAPNP_MEM32_DESC { 0x76, 0x80, 0x90, 0xa0 }
100 #define		ISAPNP_MEM32_BASE_31_24			0x0
101 #define		ISAPNP_MEM32_BASE_23_16			0x1
102 #define		ISAPNP_MEM32_BASE_15_8			0x2
103 #define		ISAPNP_MEM32_BASE_7_0			0x3
104 #define		ISAPNP_MEM32_CONTROL			0x4
105 #define			ISAPNP_MEM32_CONTROL_LIMIT	1
106 #define			ISAPNP_MEM32_CONTROL_16		2
107 #define			ISAPNP_MEM32_CONTROL_32		6
108 #define		ISAPNP_MEM32_LRANGE_31_24		0x5
109 #define		ISAPNP_MEM32_LRANGE_23_16		0x6
110 #define		ISAPNP_MEM32_LRANGE_15_8		0x7
111 #define		ISAPNP_MEM32_LRANGE_7_0			0x8
112 
113 /* Small Tags */
114 #define ISAPNP_TAG_VERSION_NUM				0x1
115 #define ISAPNP_TAG_LOGICAL_DEV_ID			0x2
116 #define ISAPNP_TAG_COMPAT_DEV_ID			0x3
117 #define ISAPNP_TAG_IRQ_FORMAT				0x4
118 #define		ISAPNP_IRQTYPE_EDGE_PLUS		1
119 #define		ISAPNP_IRQTYPE_EDGE_MINUS		2
120 #define		ISAPNP_IRQTYPE_LEVEL_PLUS		4
121 #define		ISAPNP_IRQTYPE_LEVEL_MINUS		8
122 #define ISAPNP_TAG_DMA_FORMAT				0x5
123 #define		ISAPNP_DMAWIDTH_8			0x00
124 #define		ISAPNP_DMAWIDTH_8_16			0x01
125 #define		ISAPNP_DMAWIDTH_16			0x02
126 #define		ISAPNP_DMAWIDTH_RESERVED		0x03
127 #define		ISAPNP_DMAWIDTH_MASK			0x03
128 #define		ISAPNP_DMAATTR_BUS_MASTER		0x04
129 #define		ISAPNP_DMAATTR_INCR_8			0x08
130 #define		ISAPNP_DMAATTR_INCR_16			0x10
131 #define		ISAPNP_DMAATTR_MASK			0x1c
132 #define		ISAPNP_DMASPEED_COMPAT			0x00
133 #define		ISAPNP_DMASPEED_A			0x20
134 #define		ISAPNP_DMASPEED_B			0x40
135 #define		ISAPNP_DMASPEED_F			0x60
136 #define		ISAPNP_DMASPEED_MASK			0x60
137 #define ISAPNP_TAG_DEP_START				0x6
138 #define		ISAPNP_DEP_PREFERRED			0x0
139 #define		ISAPNP_DEP_ACCEPTABLE			0x1
140 #define		ISAPNP_DEP_FUNCTIONAL			0x2
141 #define		ISAPNP_DEP_RESERVED			0x3
142 #define		ISAPNP_DEP_MASK				0x3
143 #define		ISAPNP_DEP_UNSET			0x80	/* Internal */
144 #define		ISAPNP_DEP_CONFLICTING			0x81	/* Internal */
145 #define ISAPNP_TAG_DEP_END				0x7
146 #define ISAPNP_TAG_IO_PORT_DESC				0x8
147 #define		ISAPNP_IOFLAGS_16			0x1
148 #define ISAPNP_TAG_FIXED_IO_PORT_DESC			0x9
149 #define ISAPNP_TAG_RESERVED1				0xa
150 #define ISAPNP_TAG_RESERVED2				0xb
151 #define ISAPNP_TAG_RESERVED3				0xc
152 #define ISAPNP_TAG_RESERVED4				0xd
153 #define ISAPNP_TAG_VENDOR_DEF				0xe
154 #define ISAPNP_TAG_END					0xf
155 
156 /* Large Tags */
157 #define ISAPNP_LARGE_TAG				0x80
158 #define ISAPNP_TAG_MEM_RANGE_DESC			0x81
159 #define		ISAPNP_MEMATTR_WRITABLE			0x01
160 #define		ISAPNP_MEMATTR_CACHEABLE		0x02
161 #define		ISAPNP_MEMATTR_HIGH_ADDR		0x04
162 #define		ISAPNP_MEMATTR_SHADOWABLE		0x20
163 #define		ISAPNP_MEMATTR_ROM			0x40
164 #define		ISAPNP_MEMATTR_MASK			0x67
165 #define		ISAPNP_MEMWIDTH_8			0x00
166 #define		ISAPNP_MEMWIDTH_16			0x08
167 #define		ISAPNP_MEMWIDTH_8_16			0x10
168 #define		ISAPNP_MEMWIDTH_32			0x18
169 #define		ISAPNP_MEMWIDTH_MASK			0x18
170 #define ISAPNP_TAG_ANSI_IDENT_STRING			0x82
171 #define ISAPNP_TAG_UNICODE_IDENT_STRING			0x83
172 #define ISAPNP_TAG_VENDOR_DEFINED			0x84
173 #define ISAPNP_TAG_MEM32_RANGE_DESC			0x85
174 #define ISAPNP_TAG_FIXED_MEM32_RANGE_DESC		0x86
175 
176 #endif /* ! _DEV_ISAPNP_ISAPNPREG_H_ */
177