xref: /freebsd/sys/dev/pci/pcireg.h (revision 4cf49a43559ed9fdad601bdcccd2c55963008675)
1 #ifndef PCI_COMPAT
2 #define PCI_COMPAT
3 #endif
4 /*
5  * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice unmodified, this list of conditions, and the following
13  *    disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  *
31  */
32 
33 /*
34  * PCIM_xxx: mask to locate subfield in register
35  * PCIR_xxx: config register offset
36  * PCIC_xxx: device class
37  * PCIS_xxx: device subclass
38  * PCIP_xxx: device programming interface
39  * PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
40  * PCID_xxx: device ID
41  */
42 
43 /* some PCI bus constants */
44 
45 #define PCI_BUSMAX	255
46 #define PCI_SLOTMAX	31
47 #define PCI_FUNCMAX	7
48 #define PCI_REGMAX	255
49 
50 /* PCI config header registers for all devices */
51 
52 #define PCIR_DEVVENDOR	0x00
53 #define PCIR_VENDOR	0x00
54 #define PCIR_DEVICE	0x02
55 #define PCIR_COMMAND	0x04
56 #define PCIM_CMD_PORTEN		0x0001
57 #define PCIM_CMD_MEMEN		0x0002
58 #define PCIM_CMD_BUSMASTEREN	0x0004
59 #define PCIM_CMD_PERRESPEN	0x0040
60 #define PCIR_STATUS	0x06
61 #define PCIR_REVID	0x08
62 #define PCIR_PROGIF	0x09
63 #define PCIR_SUBCLASS	0x0a
64 #define PCIR_CLASS	0x0b
65 #define PCIR_CACHELNSZ	0x0c
66 #define PCIR_LATTIMER	0x0d
67 #define PCIR_HEADERTYPE	0x0e
68 #define PCIM_MFDEV		0x80
69 #define PCIR_BIST	0x0f
70 
71 /* config registers for header type 0 devices */
72 
73 #define PCIR_MAPS	0x10
74 #define PCIR_CARDBUSCIS	0x28
75 #define PCIR_SUBVEND_0	0x2c
76 #define PCIR_SUBDEV_0	0x2e
77 #define PCIR_INTLINE	0x3c
78 #define PCIR_INTPIN	0x3d
79 #define PCIR_MINGNT	0x3e
80 #define PCIR_MAXLAT	0x3f
81 
82 /* config registers for header type 1 devices */
83 
84 #define PCIR_SECSTAT_1	0 /**/
85 
86 #define PCIR_PRIBUS_1	0x18
87 #define PCIR_SECBUS_1	0x19
88 #define PCIR_SUBBUS_1	0x1a
89 #define PCIR_SECLAT_1	0x1b
90 
91 #define PCIR_IOBASEL_1	0x1c
92 #define PCIR_IOLIMITL_1	0x1d
93 #define PCIR_IOBASEH_1	0 /**/
94 #define PCIR_IOLIMITH_1	0 /**/
95 
96 #define PCIR_MEMBASE_1	0x20
97 #define PCIR_MEMLIMIT_1	0x22
98 
99 #define PCIR_PMBASEL_1	0x24
100 #define PCIR_PMLIMITL_1	0x26
101 #define PCIR_PMBASEH_1	0 /**/
102 #define PCIR_PMLIMITH_1	0 /**/
103 
104 #define PCIR_BRIDGECTL_1 0 /**/
105 
106 #define PCIR_SUBVEND_1	0x34
107 #define PCIR_SUBDEV_1	0x36
108 
109 /* config registers for header type 2 devices */
110 
111 #define PCIR_SECSTAT_2	0x16
112 
113 #define PCIR_PRIBUS_2	0x18
114 #define PCIR_SECBUS_2	0x19
115 #define PCIR_SUBBUS_2	0x1a
116 #define PCIR_SECLAT_2	0x1b
117 
118 #define PCIR_MEMBASE0_2	0x1c
119 #define PCIR_MEMLIMIT0_2 0x20
120 #define PCIR_MEMBASE1_2	0x24
121 #define PCIR_MEMLIMIT1_2 0x28
122 #define PCIR_IOBASE0_2	0x2c
123 #define PCIR_IOLIMIT0_2	0x30
124 #define PCIR_IOBASE1_2	0x34
125 #define PCIR_IOLIMIT1_2	0x38
126 
127 #define PCIR_BRIDGECTL_2 0x3e
128 
129 #define PCIR_SUBVEND_2	0x40
130 #define PCIR_SUBDEV_2	0x42
131 
132 #define PCIR_PCCARDIF_2	0x44
133 
134 /* PCI device class, subclass and programming interface definitions */
135 
136 #define PCIC_OLD	0x00
137 #define PCIS_OLD_NONVGA		0x00
138 #define PCIS_OLD_VGA		0x01
139 
140 #define PCIC_STORAGE	0x01
141 #define PCIS_STORAGE_SCSI	0x00
142 #define PCIS_STORAGE_IDE	0x01
143 #define PCIP_STORAGE_IDE_MODEPRIM	0x01
144 #define PCIP_STORAGE_IDE_PROGINDPRIM	0x02
145 #define PCIP_STORAGE_IDE_MODESEC	0x04
146 #define PCIP_STORAGE_IDE_PROGINDSEC	0x08
147 #define PCIP_STORAGE_IDE_MASTERDEV	0x80
148 #define PCIS_STORAGE_FLOPPY	0x02
149 #define PCIS_STORAGE_IPI	0x03
150 #define PCIS_STORAGE_RAID	0x04
151 #define PCIS_STORAGE_OTHER	0x80
152 
153 #define PCIC_NETWORK	0x02
154 #define PCIS_NETWORK_ETHERNET	0x00
155 #define PCIS_NETWORK_TOKENRING	0x01
156 #define PCIS_NETWORK_FDDI	0x02
157 #define PCIS_NETWORK_ATM	0x03
158 #define PCIS_NETWORK_OTHER	0x80
159 
160 #define PCIC_DISPLAY	0x03
161 #define PCIS_DISPLAY_VGA	0x00
162 #define PCIS_DISPLAY_XGA	0x01
163 #define PCIS_DISPLAY_OTHER	0x80
164 
165 #define PCIC_MULTIMEDIA	0x04
166 #define PCIS_MULTIMEDIA_VIDEO	0x00
167 #define PCIS_MULTIMEDIA_AUDIO	0x01
168 #define PCIS_MULTIMEDIA_OTHER	0x80
169 
170 #define PCIC_MEMORY	0x05
171 #define PCIS_MEMORY_RAM		0x00
172 #define PCIS_MEMORY_FLASH	0x01
173 #define PCIS_MEMORY_OTHER	0x80
174 
175 #define PCIC_BRIDGE	0x06
176 #define PCIS_BRIDGE_HOST	0x00
177 #define PCIS_BRIDGE_ISA		0x01
178 #define PCIS_BRIDGE_EISA	0x02
179 #define PCIS_BRIDGE_MCA		0x03
180 #define PCIS_BRIDGE_PCI		0x04
181 #define PCIS_BRIDGE_PCMCIA	0x05
182 #define PCIS_BRIDGE_NUBUS	0x06
183 #define PCIS_BRIDGE_CARDBUS	0x07
184 #define PCIS_BRIDGE_OTHER	0x80
185 
186 #define PCIC_SIMPLECOMM	0x07
187 #define PCIS_SIMPLECOMM_UART	0x00
188 #define PCIP_SIMPLECOMM_UART_16550A	0x02
189 #define PCIS_SIMPLECOMM_PAR	0x01
190 #define PCIS_SIMPLECOMM_OTHER	0x80
191 
192 #define PCIC_BASEPERIPH	0x08
193 #define PCIS_BASEPERIPH_PIC	0x00
194 #define PCIS_BASEPERIPH_DMA	0x01
195 #define PCIS_BASEPERIPH_TIMER	0x02
196 #define PCIS_BASEPERIPH_RTC	0x03
197 #define PCIS_BASEPERIPH_OTHER	0x80
198 
199 #define PCIC_INPUTDEV	0x09
200 #define PCIS_INPUTDEV_KEYBOARD	0x00
201 #define PCIS_INPUTDEV_DIGITIZER	0x01
202 #define PCIS_INPUTDEV_MOUSE	0x02
203 #define PCIS_INPUTDEV_OTHER	0x80
204 
205 #define PCIC_DOCKING	0x0a
206 #define PCIS_DOCKING_GENERIC	0x00
207 #define PCIS_DOCKING_OTHER	0x80
208 
209 #define PCIC_PROCESSOR	0x0b
210 #define PCIS_PROCESSOR_386	0x00
211 #define PCIS_PROCESSOR_486	0x01
212 #define PCIS_PROCESSOR_PENTIUM	0x02
213 #define PCIS_PROCESSOR_ALPHA	0x10
214 #define PCIS_PROCESSOR_POWERPC	0x20
215 #define PCIS_PROCESSOR_COPROC	0x40
216 
217 #define PCIC_SERIALBUS	0x0c
218 #define PCIS_SERIALBUS_FW	0x00
219 #define PCIS_SERIALBUS_ACCESS	0x01
220 #define PCIS_SERIALBUS_SSA	0x02
221 #define PCIS_SERIALBUS_USB	0x03
222 #define PCIS_SERIALBUS_FC	0x04
223 #define PCIS_SERIALBUS
224 #define PCIS_SERIALBUS
225 
226 #define PCIC_OTHER	0xff
227 
228 /* some PCI vendor definitions (only used to identify ancient devices !!! */
229 
230 #define PCIV_INTEL	0x8086
231 
232 #define PCID_INTEL_SATURN	0x0483
233 #define PCID_INTEL_ORION	0x84c4
234 
235 /* for compatibility to FreeBSD-2.2 version of PCI code */
236 
237 #ifdef PCI_COMPAT
238 
239 #define PCI_ID_REG		0x00
240 #define PCI_COMMAND_STATUS_REG	0x04
241 #define	PCI_COMMAND_IO_ENABLE		0x00000001
242 #define	PCI_COMMAND_MEM_ENABLE		0x00000002
243 #define PCI_CLASS_REG		0x08
244 #define PCI_CLASS_MASK			0xff000000
245 #define PCI_SUBCLASS_MASK		0x00ff0000
246 #define	PCI_REVISION_MASK		0x000000ff
247 #define PCI_CLASS_PREHISTORIC		0x00000000
248 #define PCI_SUBCLASS_PREHISTORIC_VGA		0x00010000
249 #define PCI_CLASS_MASS_STORAGE		0x01000000
250 #define PCI_CLASS_DISPLAY		0x03000000
251 #define PCI_SUBCLASS_DISPLAY_VGA		0x00000000
252 #define PCI_CLASS_BRIDGE		0x06000000
253 #define PCI_MAP_REG_START	0x10
254 #define	PCI_MAP_REG_END		0x28
255 #define	PCI_MAP_IO			0x00000001
256 #define	PCI_INTERRUPT_REG	0x3c
257 
258 #endif /* PCI_COMPAT */
259