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