xref: /freebsd/sys/dev/pci/pcireg.h (revision 74bf4e164ba5851606a27d4feff27717452583e5)
1 /*
2  * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
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.
14  *
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.
25  *
26  * $FreeBSD$
27  *
28  */
29 
30 /*
31  * PCIM_xxx: mask to locate subfield in register
32  * PCIR_xxx: config register offset
33  * PCIC_xxx: device class
34  * PCIS_xxx: device subclass
35  * PCIP_xxx: device programming interface
36  * PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
37  * PCID_xxx: device ID
38  * PCIY_xxx: capability identification number
39  */
40 
41 /* some PCI bus constants */
42 
43 #define PCI_BUSMAX	255
44 #define PCI_SLOTMAX	31
45 #define PCI_FUNCMAX	7
46 #define PCI_REGMAX	255
47 #define PCI_MAXHDRTYPE	2
48 
49 /* PCI config header registers for all devices */
50 
51 #define PCIR_DEVVENDOR	0x00
52 #define PCIR_VENDOR	0x00
53 #define PCIR_DEVICE	0x02
54 #define PCIR_COMMAND	0x04
55 #define PCIM_CMD_PORTEN		0x0001
56 #define PCIM_CMD_MEMEN		0x0002
57 #define PCIM_CMD_BUSMASTEREN	0x0004
58 #define PCIM_CMD_SPECIALEN	0x0008
59 #define PCIM_CMD_MWRICEN	0x0010
60 #define PCIM_CMD_PERRESPEN	0x0040
61 #define PCIM_CMD_SERRESPEN	0x0100
62 #define PCIM_CMD_BACKTOBACK	0x0200
63 #define PCIR_STATUS	0x06
64 #define PCIM_STATUS_CAPPRESENT	0x0010
65 #define PCIM_STATUS_66CAPABLE	0x0020
66 #define PCIM_STATUS_BACKTOBACK	0x0080
67 #define PCIM_STATUS_PERRREPORT	0x0100
68 #define PCIM_STATUS_SEL_FAST	0x0000
69 #define PCIM_STATUS_SEL_MEDIMUM	0x0200
70 #define PCIM_STATUS_SEL_SLOW	0x0400
71 #define PCIM_STATUS_SEL_MASK	0x0600
72 #define PCIM_STATUS_STABORT	0x0800
73 #define PCIM_STATUS_RTABORT	0x1000
74 #define PCIM_STATUS_RMABORT	0x2000
75 #define PCIM_STATUS_SERR	0x4000
76 #define PCIM_STATUS_PERR	0x8000
77 #define PCIR_REVID	0x08
78 #define PCIR_PROGIF	0x09
79 #define PCIR_SUBCLASS	0x0a
80 #define PCIR_CLASS	0x0b
81 #define PCIR_CACHELNSZ	0x0c
82 #define PCIR_LATTIMER	0x0d
83 #define PCIR_HDRTYPE	0x0e
84 #ifndef BURN_BRIDGES
85 #define	PCIR_HEADERTYPE	PCIR_HDRTYPE
86 #endif
87 #define PCIM_HDRTYPE		0x7f
88 #define PCIM_HDRTYPE_NORMAL	0x00
89 #define PCIM_HDRTYPE_BRIDGE	0x01
90 #define PCIM_HDRTYPE_CARDBUS	0x02
91 #define PCIM_MFDEV		0x80
92 #define PCIR_BIST	0x0f
93 
94 /* Capability Identification Numbers */
95 
96 #define PCIY_PMG	0x01	/* PCI Power Management */
97 #define PCIY_AGP	0x02	/* AGP */
98 #define PCIY_VPD	0x03	/* Vital Product Data */
99 #define PCIY_SLOTID	0x04	/* Slot Identification */
100 #define PCIY_MSI	0x05	/* Message Signaled Interrupts */
101 #define PCIY_CHSWP	0x06	/* CompactPCI Hot Swap */
102 #define PCIY_PCIX	0x07	/* PCI-X */
103 #define PCIY_HT		0x08	/* HyperTransport */
104 #define PCIY_VENDOR	0x09	/* Vendor Unique */
105 #define PCIY_DEBUG	0x0a	/* Debug port */
106 #define PCIY_CRES	0x0b	/* CompactPCI central resource control */
107 #define PCIY_HOTPLUG	0x0c	/* PCI Hot-Plug */
108 #define PCIY_AGP8X	0x0e	/* AGP 8x */
109 #define PCIY_SECDEV	0x0f	/* Secure Device */
110 #define PCIY_EXPRESS	0x10	/* PCI Express */
111 #define PCIY_MSIX	0x11	/* MSI-X */
112 
113 /* config registers for header type 0 devices */
114 
115 #define PCIR_BARS	0x10
116 #define	PCIR_BAR(x)	(PCIR_BARS + (x) * 4)
117 #ifndef BURN_BRIDGES
118 #define	PCIR_MAPS	PCIR_BARS
119 #endif
120 #define PCIR_CARDBUSCIS	0x28
121 #define PCIR_SUBVEND_0	0x2c
122 #define PCIR_SUBDEV_0	0x2e
123 #define PCIR_BIOS	0x30
124 #define PCIM_BIOS_ENABLE	0x01
125 #define	PCIR_CAP_PTR	0x34
126 #define PCIR_INTLINE	0x3c
127 #define PCIR_INTPIN	0x3d
128 #define PCIR_MINGNT	0x3e
129 #define PCIR_MAXLAT	0x3f
130 
131 /* config registers for header type 1 devices */
132 
133 #define PCIR_SECSTAT_1	0x1e
134 
135 #define PCIR_PRIBUS_1	0x18
136 #define PCIR_SECBUS_1	0x19
137 #define PCIR_SUBBUS_1	0x1a
138 #define PCIR_SECLAT_1	0x1b
139 
140 #define PCIR_IOBASEL_1	0x1c
141 #define PCIR_IOLIMITL_1	0x1d
142 #define PCIR_IOBASEH_1	0x30
143 #define PCIR_IOLIMITH_1	0x32
144 #define PCIM_BRIO_16		0x0
145 #define PCIM_BRIO_32		0x1
146 #define PCIM_BRIO_MASK		0xf
147 
148 #define PCIR_MEMBASE_1	0x20
149 #define PCIR_MEMLIMIT_1	0x22
150 
151 #define PCIR_PMBASEL_1	0x24
152 #define PCIR_PMLIMITL_1	0x26
153 #define PCIR_PMBASEH_1	0x28
154 #define PCIR_PMLIMITH_1	0x2c
155 
156 #define PCIR_BRIDGECTL_1 0x3e
157 
158 #define PCIR_SUBVEND_1	0x34
159 #define PCIR_SUBDEV_1	0x36
160 
161 /* config registers for header type 2 devices */
162 
163 #define PCIR_SECSTAT_2	0x16
164 
165 #define PCIR_PRIBUS_2	0x18
166 #define PCIR_SECBUS_2	0x19
167 #define PCIR_SUBBUS_2	0x1a
168 #define PCIR_SECLAT_2	0x1b
169 
170 #define PCIR_MEMBASE0_2	0x1c
171 #define PCIR_MEMLIMIT0_2 0x20
172 #define PCIR_MEMBASE1_2	0x24
173 #define PCIR_MEMLIMIT1_2 0x28
174 #define PCIR_IOBASE0_2	0x2c
175 #define PCIR_IOLIMIT0_2	0x30
176 #define PCIR_IOBASE1_2	0x34
177 #define PCIR_IOLIMIT1_2	0x38
178 
179 #define PCIR_BRIDGECTL_2 0x3e
180 
181 #define PCIR_SUBVEND_2	0x40
182 #define PCIR_SUBDEV_2	0x42
183 
184 #define PCIR_PCCARDIF_2	0x44
185 
186 /* PCI device class, subclass and programming interface definitions */
187 
188 #define PCIC_OLD	0x00
189 #define PCIS_OLD_NONVGA		0x00
190 #define PCIS_OLD_VGA		0x01
191 
192 #define PCIC_STORAGE	0x01
193 #define PCIS_STORAGE_SCSI	0x00
194 #define PCIS_STORAGE_IDE	0x01
195 #define PCIP_STORAGE_IDE_MODEPRIM	0x01
196 #define PCIP_STORAGE_IDE_PROGINDPRIM	0x02
197 #define PCIP_STORAGE_IDE_MODESEC	0x04
198 #define PCIP_STORAGE_IDE_PROGINDSEC	0x08
199 #define PCIP_STORAGE_IDE_MASTERDEV	0x80
200 #define PCIS_STORAGE_FLOPPY	0x02
201 #define PCIS_STORAGE_IPI	0x03
202 #define PCIS_STORAGE_RAID	0x04
203 #define PCIS_STORAGE_OTHER	0x80
204 
205 #define PCIC_NETWORK	0x02
206 #define PCIS_NETWORK_ETHERNET	0x00
207 #define PCIS_NETWORK_TOKENRING	0x01
208 #define PCIS_NETWORK_FDDI	0x02
209 #define PCIS_NETWORK_ATM	0x03
210 #define PCIS_NETWORK_OTHER	0x80
211 
212 #define PCIC_DISPLAY	0x03
213 #define PCIS_DISPLAY_VGA	0x00
214 #define PCIS_DISPLAY_XGA	0x01
215 #define PCIS_DISPLAY_OTHER	0x80
216 
217 #define PCIC_MULTIMEDIA	0x04
218 #define PCIS_MULTIMEDIA_VIDEO	0x00
219 #define PCIS_MULTIMEDIA_AUDIO	0x01
220 #define PCIS_MULTIMEDIA_OTHER	0x80
221 
222 #define PCIC_MEMORY	0x05
223 #define PCIS_MEMORY_RAM		0x00
224 #define PCIS_MEMORY_FLASH	0x01
225 #define PCIS_MEMORY_OTHER	0x80
226 
227 #define PCIC_BRIDGE	0x06
228 #define PCIS_BRIDGE_HOST	0x00
229 #define PCIS_BRIDGE_ISA		0x01
230 #define PCIS_BRIDGE_EISA	0x02
231 #define PCIS_BRIDGE_MCA		0x03
232 #define PCIS_BRIDGE_PCI		0x04
233 #define PCIS_BRIDGE_PCMCIA	0x05
234 #define PCIS_BRIDGE_NUBUS	0x06
235 #define PCIS_BRIDGE_CARDBUS	0x07
236 #define PCIS_BRIDGE_OTHER	0x80
237 
238 #define PCIC_SIMPLECOMM	0x07
239 #define PCIS_SIMPLECOMM_UART	0x00
240 #define PCIP_SIMPLECOMM_UART_16550A	0x02
241 #define PCIS_SIMPLECOMM_PAR	0x01
242 #define PCIS_SIMPLECOMM_OTHER	0x80
243 
244 #define PCIC_BASEPERIPH	0x08
245 #define PCIS_BASEPERIPH_PIC	0x00
246 #define PCIS_BASEPERIPH_DMA	0x01
247 #define PCIS_BASEPERIPH_TIMER	0x02
248 #define PCIS_BASEPERIPH_RTC	0x03
249 #define PCIS_BASEPERIPH_OTHER	0x80
250 
251 #define PCIC_INPUTDEV	0x09
252 #define PCIS_INPUTDEV_KEYBOARD	0x00
253 #define PCIS_INPUTDEV_DIGITIZER	0x01
254 #define PCIS_INPUTDEV_MOUSE	0x02
255 #define PCIS_INPUTDEV_OTHER	0x80
256 
257 #define PCIC_DOCKING	0x0a
258 #define PCIS_DOCKING_GENERIC	0x00
259 #define PCIS_DOCKING_OTHER	0x80
260 
261 #define PCIC_PROCESSOR	0x0b
262 #define PCIS_PROCESSOR_386	0x00
263 #define PCIS_PROCESSOR_486	0x01
264 #define PCIS_PROCESSOR_PENTIUM	0x02
265 #define PCIS_PROCESSOR_ALPHA	0x10
266 #define PCIS_PROCESSOR_POWERPC	0x20
267 #define PCIS_PROCESSOR_COPROC	0x40
268 
269 #define PCIC_SERIALBUS	0x0c
270 #define PCIS_SERIALBUS_FW	0x00
271 #define PCIS_SERIALBUS_ACCESS	0x01
272 #define PCIS_SERIALBUS_SSA	0x02
273 #define PCIS_SERIALBUS_USB	0x03
274 #define PCIP_SERIALBUS_USB_UHCI	0x00
275 #define PCIP_SERIALBUS_USB_OHCI	0x10
276 #define PCIP_SERIALBUS_USB_EHCI	0x20
277 #define PCIS_SERIALBUS_FC	0x04
278 #define PCIS_SERIALBUS_SMBUS	0x05
279 
280 #define PCIC_OTHER	0xff
281 
282 /* PCI power manangement */
283 
284 #define PCIR_POWER_CAP		0x2
285 #define PCIM_PCAP_SPEC			0x0007
286 #define PCIM_PCAP_PMEREQCLK		0x0008
287 #define PCIM_PCAP_PMEREQPWR		0x0010
288 #define PCIM_PCAP_DEVSPECINIT		0x0020
289 #define PCIM_PCAP_DYNCLOCK		0x0040
290 #define PCIM_PCAP_SECCLOCK		0x00c0
291 #define PCIM_PCAP_CLOCKMASK		0x00c0
292 #define PCIM_PCAP_REQFULLCLOCK		0x0100
293 #define PCIM_PCAP_D1SUPP		0x0200
294 #define PCIM_PCAP_D2SUPP		0x0400
295 #define PCIM_PCAP_D0PME			0x1000
296 #define PCIM_PCAP_D1PME			0x2000
297 #define PCIM_PCAP_D2PME			0x4000
298 
299 #define PCIR_POWER_STATUS	0x4
300 #define PCIM_PSTAT_D0			0x0000
301 #define PCIM_PSTAT_D1			0x0001
302 #define PCIM_PSTAT_D2			0x0002
303 #define PCIM_PSTAT_D3			0x0003
304 #define PCIM_PSTAT_DMASK		0x0003
305 #define PCIM_PSTAT_REPENABLE		0x0010
306 #define PCIM_PSTAT_PMEENABLE		0x0100
307 #define PCIM_PSTAT_D0POWER		0x0000
308 #define PCIM_PSTAT_D1POWER		0x0200
309 #define PCIM_PSTAT_D2POWER		0x0400
310 #define PCIM_PSTAT_D3POWER		0x0600
311 #define PCIM_PSTAT_D0HEAT		0x0800
312 #define PCIM_PSTAT_D1HEAT		0x1000
313 #define PCIM_PSTAT_D2HEAT		0x1200
314 #define PCIM_PSTAT_D3HEAT		0x1400
315 #define PCIM_PSTAT_DATAUNKN		0x0000
316 #define PCIM_PSTAT_DATADIV10		0x2000
317 #define PCIM_PSTAT_DATADIV100		0x4000
318 #define PCIM_PSTAT_DATADIV1000		0x6000
319 #define PCIM_PSTAT_DATADIVMASK		0x6000
320 #define PCIM_PSTAT_PME			0x8000
321 
322 #define PCIR_POWER_PMCSR	0x6
323 #define PCIM_PMCSR_DCLOCK		0x10
324 #define PCIM_PMCSR_B2SUPP		0x20
325 #define PCIM_BMCSR_B3SUPP		0x40
326 #define PCIM_BMCSR_BPCE			0x80
327 
328 #define PCIR_POWER_DATA		0x7
329 
330 /* PCI Message Signalled Interrupts (MSI) */
331 #define PCIR_MSI_CTRL		0x2
332 #define PCIM_MSICTRL_VECTOR		0x0100
333 #define PCIM_MSICTRL_64BIT		0x0080
334 #define PCIM_MSICTRL_MME_MASK		0x0070
335 #define PCIM_MSICTRL_MME_1		0x0000
336 #define PCIM_MSICTRL_MME_2		0x0010
337 #define PCIM_MSICTRL_MME_4		0x0020
338 #define PCIM_MSICTRL_MME_8		0x0030
339 #define PCIM_MSICTRL_MME_16		0x0040
340 #define PCIM_MSICTRL_MME_32		0x0050
341 #define PCIM_MSICTRL_MMC_MASK		0x000E
342 #define PCIM_MSICTRL_MMC_1		0x0000
343 #define PCIM_MSICTRL_MMC_2		0x0002
344 #define PCIM_MSICTRL_MMC_4		0x0004
345 #define PCIM_MSICTRL_MMC_8		0x0006
346 #define PCIM_MSICTRL_MMC_16		0x0008
347 #define PCIM_MSICTRL_MMC_32		0x000A
348 #define PCIM_MSICTRL_MSI_ENABLE		0x0001
349 #define PCIR_MSI_ADDR		0x4
350 #define PCIR_MSI_ADDR_HIGH	0x8
351 #define PCIR_MSI_DATA		0x8
352 #define PCIR_MSI_DATA_64BIT	0xc
353 #define PCIR_MSI_MASK		0x10
354 #define PCIR_MSI_PENDING	0x14
355 
356 /* PCI-X definitions */
357 #define PCIXR_COMMAND	0x96
358 #define PCIXR_DEVADDR	0x98
359 #define PCIXM_DEVADDR_FNUM	0x0003	/* Function Number */
360 #define PCIXM_DEVADDR_DNUM	0x00F8	/* Device Number */
361 #define PCIXM_DEVADDR_BNUM	0xFF00	/* Bus Number */
362 #define PCIXR_STATUS	0x9A
363 #define PCIXM_STATUS_64BIT	0x0001	/* Active 64bit connection to device. */
364 #define PCIXM_STATUS_133CAP	0x0002	/* Device is 133MHz capable */
365 #define PCIXM_STATUS_SCDISC	0x0004	/* Split Completion Discarded */
366 #define PCIXM_STATUS_UNEXPSC	0x0008	/* Unexpected Split Completion */
367 #define PCIXM_STATUS_CMPLEXDEV	0x0010	/* Device Complexity (set == bridge) */
368 #define PCIXM_STATUS_MAXMRDBC	0x0060	/* Maximum Burst Read Count */
369 #define PCIXM_STATUS_MAXSPLITS	0x0380	/* Maximum Split Transactions */
370 #define PCIXM_STATUS_MAXCRDS	0x1C00	/* Maximum Cumulative Read Size */
371 #define PCIXM_STATUS_RCVDSCEM	0x2000	/* Received a Split Comp w/Error msg */
372