2 * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * $FreeBSD: src/sys/pci/pcireg.h,v 1.24.2.5 2002/08/31 10:06:51 gibbs Exp $
27 * $DragonFly: src/sys/bus/pci/pcireg.h,v 1.4 2004/02/16 18:49:55 joerg Exp $
32 * PCIM_xxx: mask to locate subfield in register
33 * PCIR_xxx: config register offset
34 * PCIC_xxx: device class
35 * PCIS_xxx: device subclass
36 * PCIP_xxx: device programming interface
37 * PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
41 /* some PCI bus constants */
43 #define PCI_BUSMAX 255
44 #define PCI_SLOTMAX 31
46 #define PCI_REGMAX 255
48 /* PCI config header registers for all devices */
50 #define PCIR_DEVVENDOR 0x00
51 #define PCIR_VENDOR 0x00
52 #define PCIR_DEVICE 0x02
53 #define PCIR_COMMAND 0x04
54 #define PCIM_CMD_PORTEN 0x0001
55 #define PCIM_CMD_MEMEN 0x0002
56 #define PCIM_CMD_BUSMASTEREN 0x0004
57 #define PCIM_CMD_MWRICEN 0x0010
58 #define PCIM_CMD_PERRESPEN 0x0040
59 #define PCIM_CMD_SERRESPEN 0x0100
60 #define PCIR_STATUS 0x06
61 #define PCIM_STATUS_CAPPRESENT 0x0010
62 #define PCIM_STATUS_66CAPABLE 0x0020
63 #define PCIM_STATUS_BACKTOBACK 0x0080
64 #define PCIM_STATUS_PERRREPORT 0x0100
65 #define PCIM_STATUS_SEL_FAST 0x0000
66 #define PCIM_STATUS_SEL_MEDIMUM 0x0200
67 #define PCIM_STATUS_SEL_SLOW 0x0400
68 #define PCIM_STATUS_SEL_MASK 0x0600
69 #define PCIM_STATUS_STABORT 0x0800
70 #define PCIM_STATUS_RTABORT 0x1000
71 #define PCIM_STATUS_RMABORT 0x2000
72 #define PCIM_STATUS_SERR 0x4000
73 #define PCIM_STATUS_PERR 0x8000
74 #define PCIR_REVID 0x08
75 #define PCIR_PROGIF 0x09
76 #define PCIR_SUBCLASS 0x0a
77 #define PCIR_CLASS 0x0b
78 #define PCIR_CACHELNSZ 0x0c
79 #define PCIR_LATTIMER 0x0d
80 #define PCIR_HEADERTYPE 0x0e
81 #define PCIM_MFDEV 0x80
82 #define PCIR_BIST 0x0f
84 /* config registers for header type 0 devices */
86 #define PCIR_MAPS 0x10
87 #define PCIR_BARS PCIR_MAPS
88 #define PCIR_BAR(x) (PCIR_BARS + (x) * 4)
89 #define PCIR_CARDBUSCIS 0x28
90 #define PCIR_SUBVEND_0 0x2c
91 #define PCIR_SUBDEV_0 0x2e
92 #define PCIR_BIOS 0x30
93 #define PCIM_BIOS_ENABLE 0x01
94 #define PCIR_CAP_PTR 0x34
95 #define PCIR_INTLINE 0x3c
96 #define PCIR_INTPIN 0x3d
97 #define PCIR_MINGNT 0x3e
98 #define PCIR_MAXLAT 0x3f
100 /* config registers for header type 1 devices */
102 #define PCIR_SECSTAT_1 0 /**/
104 #define PCIR_PRIBUS_1 0x18
105 #define PCIR_SECBUS_1 0x19
106 #define PCIR_SUBBUS_1 0x1a
107 #define PCIR_SECLAT_1 0x1b
109 #define PCIR_IOBASEL_1 0x1c
110 #define PCIR_IOLIMITL_1 0x1d
111 #define PCIR_IOBASEH_1 0 /**/
112 #define PCIR_IOLIMITH_1 0 /**/
114 #define PCIR_MEMBASE_1 0x20
115 #define PCIR_MEMLIMIT_1 0x22
117 #define PCIR_PMBASEL_1 0x24
118 #define PCIR_PMLIMITL_1 0x26
119 #define PCIR_PMBASEH_1 0 /**/
120 #define PCIR_PMLIMITH_1 0 /**/
122 #define PCIR_BRIDGECTL_1 0 /**/
124 #define PCIR_SUBVEND_1 0x34
125 #define PCIR_SUBDEV_1 0x36
127 /* config registers for header type 2 devices */
129 #define PCIR_SECSTAT_2 0x16
131 #define PCIR_PRIBUS_2 0x18
132 #define PCIR_SECBUS_2 0x19
133 #define PCIR_SUBBUS_2 0x1a
134 #define PCIR_SECLAT_2 0x1b
136 #define PCIR_MEMBASE0_2 0x1c
137 #define PCIR_MEMLIMIT0_2 0x20
138 #define PCIR_MEMBASE1_2 0x24
139 #define PCIR_MEMLIMIT1_2 0x28
140 #define PCIR_IOBASE0_2 0x2c
141 #define PCIR_IOLIMIT0_2 0x30
142 #define PCIR_IOBASE1_2 0x34
143 #define PCIR_IOLIMIT1_2 0x38
145 #define PCIR_BRIDGECTL_2 0x3e
147 #define PCIR_SUBVEND_2 0x40
148 #define PCIR_SUBDEV_2 0x42
150 #define PCIR_PCCARDIF_2 0x44
152 /* PCI device class, subclass and programming interface definitions */
154 #define PCIC_OLD 0x00
155 #define PCIS_OLD_NONVGA 0x00
156 #define PCIS_OLD_VGA 0x01
158 #define PCIC_STORAGE 0x01
159 #define PCIS_STORAGE_SCSI 0x00
160 #define PCIS_STORAGE_IDE 0x01
161 #define PCIP_STORAGE_IDE_MODEPRIM 0x01
162 #define PCIP_STORAGE_IDE_PROGINDPRIM 0x02
163 #define PCIP_STORAGE_IDE_MODESEC 0x04
164 #define PCIP_STORAGE_IDE_PROGINDSEC 0x08
165 #define PCIP_STORAGE_IDE_MASTERDEV 0x80
166 #define PCIS_STORAGE_FLOPPY 0x02
167 #define PCIS_STORAGE_IPI 0x03
168 #define PCIS_STORAGE_RAID 0x04
169 #define PCIS_STORAGE_OTHER 0x80
171 #define PCIC_NETWORK 0x02
172 #define PCIS_NETWORK_ETHERNET 0x00
173 #define PCIS_NETWORK_TOKENRING 0x01
174 #define PCIS_NETWORK_FDDI 0x02
175 #define PCIS_NETWORK_ATM 0x03
176 #define PCIS_NETWORK_OTHER 0x80
178 #define PCIC_DISPLAY 0x03
179 #define PCIS_DISPLAY_VGA 0x00
180 #define PCIS_DISPLAY_XGA 0x01
181 #define PCIS_DISPLAY_OTHER 0x80
183 #define PCIC_MULTIMEDIA 0x04
184 #define PCIS_MULTIMEDIA_VIDEO 0x00
185 #define PCIS_MULTIMEDIA_AUDIO 0x01
186 #define PCIS_MULTIMEDIA_OTHER 0x80
188 #define PCIC_MEMORY 0x05
189 #define PCIS_MEMORY_RAM 0x00
190 #define PCIS_MEMORY_FLASH 0x01
191 #define PCIS_MEMORY_OTHER 0x80
193 #define PCIC_BRIDGE 0x06
194 #define PCIS_BRIDGE_HOST 0x00
195 #define PCIS_BRIDGE_ISA 0x01
196 #define PCIS_BRIDGE_EISA 0x02
197 #define PCIS_BRIDGE_MCA 0x03
198 #define PCIS_BRIDGE_PCI 0x04
199 #define PCIS_BRIDGE_PCMCIA 0x05
200 #define PCIS_BRIDGE_NUBUS 0x06
201 #define PCIS_BRIDGE_CARDBUS 0x07
202 #define PCIS_BRIDGE_OTHER 0x80
204 #define PCIC_SIMPLECOMM 0x07
205 #define PCIS_SIMPLECOMM_UART 0x00
206 #define PCIP_SIMPLECOMM_UART_16550A 0x02
207 #define PCIS_SIMPLECOMM_PAR 0x01
208 #define PCIS_SIMPLECOMM_OTHER 0x80
210 #define PCIC_BASEPERIPH 0x08
211 #define PCIS_BASEPERIPH_PIC 0x00
212 #define PCIS_BASEPERIPH_DMA 0x01
213 #define PCIS_BASEPERIPH_TIMER 0x02
214 #define PCIS_BASEPERIPH_RTC 0x03
215 #define PCIS_BASEPERIPH_OTHER 0x80
217 #define PCIC_INPUTDEV 0x09
218 #define PCIS_INPUTDEV_KEYBOARD 0x00
219 #define PCIS_INPUTDEV_DIGITIZER 0x01
220 #define PCIS_INPUTDEV_MOUSE 0x02
221 #define PCIS_INPUTDEV_OTHER 0x80
223 #define PCIC_DOCKING 0x0a
224 #define PCIS_DOCKING_GENERIC 0x00
225 #define PCIS_DOCKING_OTHER 0x80
227 #define PCIC_PROCESSOR 0x0b
228 #define PCIS_PROCESSOR_386 0x00
229 #define PCIS_PROCESSOR_486 0x01
230 #define PCIS_PROCESSOR_PENTIUM 0x02
231 #define PCIS_PROCESSOR_ALPHA 0x10
232 #define PCIS_PROCESSOR_POWERPC 0x20
233 #define PCIS_PROCESSOR_COPROC 0x40
235 #define PCIC_SERIALBUS 0x0c
236 #define PCIS_SERIALBUS_FW 0x00
237 #define PCIS_SERIALBUS_ACCESS 0x01
238 #define PCIS_SERIALBUS_SSA 0x02
239 #define PCIS_SERIALBUS_USB 0x03
240 #define PCIS_SERIALBUS_FC 0x04
241 #define PCIS_SERIALBUS_SMBUS 0x05
243 #define PCIC_OTHER 0xff
245 /* PCI power manangement */
247 #define PCIR_POWER_CAP 0x2
248 #define PCIM_PCAP_SPEC 0x0007
249 #define PCIM_PCAP_PMEREQCLK 0x0008
250 #define PCIM_PCAP_PMEREQPWR 0x0010
251 #define PCIM_PCAP_DEVSPECINIT 0x0020
252 #define PCIM_PCAP_DYNCLOCK 0x0040
253 #define PCIM_PCAP_SECCLOCK 0x00c0
254 #define PCIM_PCAP_CLOCKMASK 0x00c0
255 #define PCIM_PCAP_REQFULLCLOCK 0x0100
256 #define PCIM_PCAP_D1SUPP 0x0200
257 #define PCIM_PCAP_D2SUPP 0x0400
258 #define PCIM_PCAP_D0PME 0x1000
259 #define PCIM_PCAP_D1PME 0x2000
260 #define PCIM_PCAP_D2PME 0x4000
262 #define PCIR_POWER_STATUS 0x4
263 #define PCIM_PSTAT_D0 0x0000
264 #define PCIM_PSTAT_D1 0x0001
265 #define PCIM_PSTAT_D2 0x0002
266 #define PCIM_PSTAT_D3 0x0003
267 #define PCIM_PSTAT_DMASK 0x0003
268 #define PCIM_PSTAT_REPENABLE 0x0010
269 #define PCIM_PSTAT_PMEENABLE 0x0100
270 #define PCIM_PSTAT_D0POWER 0x0000
271 #define PCIM_PSTAT_D1POWER 0x0200
272 #define PCIM_PSTAT_D2POWER 0x0400
273 #define PCIM_PSTAT_D3POWER 0x0600
274 #define PCIM_PSTAT_D0HEAT 0x0800
275 #define PCIM_PSTAT_D1HEAT 0x1000
276 #define PCIM_PSTAT_D2HEAT 0x1200
277 #define PCIM_PSTAT_D3HEAT 0x1400
278 #define PCIM_PSTAT_DATAUNKN 0x0000
279 #define PCIM_PSTAT_DATADIV10 0x2000
280 #define PCIM_PSTAT_DATADIV100 0x4000
281 #define PCIM_PSTAT_DATADIV1000 0x6000
282 #define PCIM_PSTAT_DATADIVMASK 0x6000
283 #define PCIM_PSTAT_PME 0x8000
285 #define PCIR_POWER_PMCSR 0x6
286 #define PCIM_PMCSR_DCLOCK 0x10
287 #define PCIM_PMCSR_B2SUPP 0x20
288 #define PCIM_BMCSR_B3SUPP 0x40
289 #define PCIM_BMCSR_BPCE 0x80
291 #define PCIR_POWER_DATA 0x7
293 /* PCI-X definitions */
294 #define PCIXR_COMMAND 0x96
295 #define PCIXR_DEVADDR 0x98
296 #define PCIXM_DEVADDR_FNUM 0x0003 /* Function Number */
297 #define PCIXM_DEVADDR_DNUM 0x00F8 /* Device Number */
298 #define PCIXM_DEVADDR_BNUM 0xFF00 /* Bus Number */
299 #define PCIXR_STATUS 0x9A
300 #define PCIXM_STATUS_64BIT 0x0001 /* Active 64bit connection to device. */
301 #define PCIXM_STATUS_133CAP 0x0002 /* Device is 133MHz capable */
302 #define PCIXM_STATUS_SCDISC 0x0004 /* Split Completion Discarded */
303 #define PCIXM_STATUS_UNEXPSC 0x0008 /* Unexpected Split Completion */
304 #define PCIXM_STATUS_CMPLEXDEV 0x0010 /* Device Complexity (set == bridge) */
305 #define PCIXM_STATUS_MAXMRDBC 0x0060 /* Maximum Burst Read Count */
306 #define PCIXM_STATUS_MAXSPLITS 0x0380 /* Maximum Split Transactions */
307 #define PCIXM_STATUS_MAXCRDS 0x1C00 /* Maximum Cumulative Read Size */
308 #define PCIXM_STATUS_RCVDSCEM 0x2000 /* Received a Split Comp w/Error msg */
310 /* some PCI vendor definitions (only used to identify ancient devices !!! */
312 #define PCIV_INTEL 0x8086
314 #define PCID_INTEL_SATURN 0x0483
315 #define PCID_INTEL_ORION 0x84c4
317 /* for compatibility to FreeBSD-2.2 and 3.x versions of PCI code */
319 #if defined(_KERNEL) && !defined(KLD_MODULE)
320 #include "opt_compat_oldpci.h"
325 #define PCI_ID_REG 0x00
326 #define PCI_COMMAND_STATUS_REG 0x04
327 #define PCI_COMMAND_IO_ENABLE 0x00000001
328 #define PCI_COMMAND_MEM_ENABLE 0x00000002
329 #define PCI_CLASS_REG 0x08
330 #define PCI_CLASS_MASK 0xff000000
331 #define PCI_SUBCLASS_MASK 0x00ff0000
332 #define PCI_REVISION_MASK 0x000000ff
333 #define PCI_CLASS_PREHISTORIC 0x00000000
334 #define PCI_SUBCLASS_PREHISTORIC_VGA 0x00010000
335 #define PCI_CLASS_MASS_STORAGE 0x01000000
336 #define PCI_CLASS_DISPLAY 0x03000000
337 #define PCI_SUBCLASS_DISPLAY_VGA 0x00000000
338 #define PCI_CLASS_BRIDGE 0x06000000
339 #define PCI_MAP_REG_START 0x10
340 #define PCI_MAP_REG_END 0x28
341 #define PCI_MAP_IO 0x00000001
342 #define PCI_INTERRUPT_REG 0x3c
344 #endif /* COMPAT_OLDPCI */