pcireg.h revision 1.30
1/*	$OpenBSD: pcireg.h,v 1.30 2006/05/28 17:21:14 uwe Exp $	*/
2/*	$NetBSD: pcireg.h,v 1.26 2000/05/10 16:58:42 thorpej Exp $	*/
3
4/*
5 * Copyright (c) 1995, 1996 Christopher G. Demetriou.  All rights reserved.
6 * Copyright (c) 1994, 1996 Charles Hannum.  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, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by Charles Hannum.
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#ifndef _DEV_PCI_PCIREG_H_
35#define	_DEV_PCI_PCIREG_H_
36
37/*
38 * Standardized PCI configuration information
39 *
40 * XXX This is not complete.
41 */
42
43/*
44 * Device identification register; contains a vendor ID and a device ID.
45 */
46#define	PCI_ID_REG			0x00
47
48typedef u_int16_t pci_vendor_id_t;
49typedef u_int16_t pci_product_id_t;
50
51#define	PCI_VENDOR_SHIFT			0
52#define	PCI_VENDOR_MASK				0xffff
53#define	PCI_VENDOR(id) \
54	    (((id) >> PCI_VENDOR_SHIFT) & PCI_VENDOR_MASK)
55
56#define	PCI_PRODUCT_SHIFT			16
57#define	PCI_PRODUCT_MASK			0xffff
58#define	PCI_PRODUCT(id) \
59	    (((id) >> PCI_PRODUCT_SHIFT) & PCI_PRODUCT_MASK)
60
61#define PCI_ID_CODE(vid,pid) \
62	((((vid) & PCI_VENDOR_MASK) << PCI_VENDOR_SHIFT) | \
63	 (((pid) & PCI_PRODUCT_MASK) << PCI_PRODUCT_SHIFT))
64
65/*
66 * Command and status register.
67 */
68#define	PCI_COMMAND_STATUS_REG			0x04
69
70#define	PCI_COMMAND_IO_ENABLE			0x00000001
71#define	PCI_COMMAND_MEM_ENABLE			0x00000002
72#define	PCI_COMMAND_MASTER_ENABLE		0x00000004
73#define	PCI_COMMAND_SPECIAL_ENABLE		0x00000008
74#define	PCI_COMMAND_INVALIDATE_ENABLE		0x00000010
75#define	PCI_COMMAND_PALETTE_ENABLE		0x00000020
76#define	PCI_COMMAND_PARITY_ENABLE		0x00000040
77#define	PCI_COMMAND_STEPPING_ENABLE		0x00000080
78#define	PCI_COMMAND_SERR_ENABLE			0x00000100
79#define	PCI_COMMAND_BACKTOBACK_ENABLE		0x00000200
80
81#define	PCI_STATUS_CAPLIST_SUPPORT		0x00100000
82#define	PCI_STATUS_66MHZ_SUPPORT		0x00200000
83#define	PCI_STATUS_UDF_SUPPORT			0x00400000
84#define	PCI_STATUS_BACKTOBACK_SUPPORT		0x00800000
85#define	PCI_STATUS_PARITY_ERROR			0x01000000
86#define	PCI_STATUS_DEVSEL_FAST			0x00000000
87#define	PCI_STATUS_DEVSEL_MEDIUM		0x02000000
88#define	PCI_STATUS_DEVSEL_SLOW			0x04000000
89#define	PCI_STATUS_DEVSEL_MASK			0x06000000
90#define	PCI_STATUS_TARGET_TARGET_ABORT		0x08000000
91#define	PCI_STATUS_MASTER_TARGET_ABORT		0x10000000
92#define	PCI_STATUS_MASTER_ABORT			0x20000000
93#define	PCI_STATUS_SPECIAL_ERROR		0x40000000
94#define	PCI_STATUS_PARITY_DETECT		0x80000000
95
96#define	PCI_COMMAND_STATUS_BITS \
97    ("\020\01IO\02MEM\03MASTER\04SPECIAL\05INVALIDATE\06PALETTE\07PARITY"\
98     "\010STEPPING\011SERR\012BACKTOBACK\025CAPLIST\026CLK66\027UDF"\
99     "\030BACK2BACK_STAT\031PARITY_STAT\032DEVSEL_MEDIUM\033DEVSEL_SLOW"\
100     "\034TARGET_TARGET_ABORT\035MASTER_TARGET_ABORT\036MASTER_ABORT"\
101     "\037SPECIAL_ERROR\040PARITY_DETECT")
102/*
103 * PCI Class and Revision Register; defines type and revision of device.
104 */
105#define	PCI_CLASS_REG			0x08
106
107typedef u_int8_t pci_class_t;
108typedef u_int8_t pci_subclass_t;
109typedef u_int8_t pci_interface_t;
110typedef u_int8_t pci_revision_t;
111
112#define	PCI_CLASS_SHIFT				24
113#define	PCI_CLASS_MASK				0xff
114#define	PCI_CLASS(cr) \
115	    (((cr) >> PCI_CLASS_SHIFT) & PCI_CLASS_MASK)
116
117#define	PCI_SUBCLASS_SHIFT			16
118#define	PCI_SUBCLASS_MASK			0xff
119#define	PCI_SUBCLASS(cr) \
120	    (((cr) >> PCI_SUBCLASS_SHIFT) & PCI_SUBCLASS_MASK)
121
122#define	PCI_INTERFACE_SHIFT			8
123#define	PCI_INTERFACE_MASK			0xff
124#define	PCI_INTERFACE(cr) \
125	    (((cr) >> PCI_INTERFACE_SHIFT) & PCI_INTERFACE_MASK)
126
127#define	PCI_REVISION_SHIFT			0
128#define	PCI_REVISION_MASK			0xff
129#define	PCI_REVISION(cr) \
130	    (((cr) >> PCI_REVISION_SHIFT) & PCI_REVISION_MASK)
131
132/* base classes */
133#define	PCI_CLASS_PREHISTORIC			0x00
134#define	PCI_CLASS_MASS_STORAGE			0x01
135#define	PCI_CLASS_NETWORK			0x02
136#define	PCI_CLASS_DISPLAY			0x03
137#define	PCI_CLASS_MULTIMEDIA			0x04
138#define	PCI_CLASS_MEMORY			0x05
139#define	PCI_CLASS_BRIDGE			0x06
140#define	PCI_CLASS_COMMUNICATIONS		0x07
141#define	PCI_CLASS_SYSTEM			0x08
142#define	PCI_CLASS_INPUT				0x09
143#define	PCI_CLASS_DOCK				0x0a
144#define	PCI_CLASS_PROCESSOR			0x0b
145#define	PCI_CLASS_SERIALBUS			0x0c
146#define	PCI_CLASS_WIRELESS			0x0d
147#define	PCI_CLASS_I2O				0x0e
148#define	PCI_CLASS_SATCOM			0x0f
149#define	PCI_CLASS_CRYPTO			0x10
150#define	PCI_CLASS_DASP				0x11
151#define	PCI_CLASS_UNDEFINED			0xff
152
153/* 0x00 prehistoric subclasses */
154#define	PCI_SUBCLASS_PREHISTORIC_MISC		0x00
155#define	PCI_SUBCLASS_PREHISTORIC_VGA		0x01
156
157/* 0x01 mass storage subclasses */
158#define	PCI_SUBCLASS_MASS_STORAGE_SCSI		0x00
159#define	PCI_SUBCLASS_MASS_STORAGE_IDE		0x01
160#define	PCI_SUBCLASS_MASS_STORAGE_FLOPPY	0x02
161#define	PCI_SUBCLASS_MASS_STORAGE_IPI		0x03
162#define	PCI_SUBCLASS_MASS_STORAGE_RAID		0x04
163#define	PCI_SUBCLASS_MASS_STORAGE_ATA		0x05
164#define	PCI_SUBCLASS_MASS_STORAGE_SATA		0x06
165#define	PCI_SUBCLASS_MASS_STORAGE_MISC		0x80
166
167/* 0x02 network subclasses */
168#define	PCI_SUBCLASS_NETWORK_ETHERNET		0x00
169#define	PCI_SUBCLASS_NETWORK_TOKENRING		0x01
170#define	PCI_SUBCLASS_NETWORK_FDDI		0x02
171#define	PCI_SUBCLASS_NETWORK_ATM		0x03
172#define	PCI_SUBCLASS_NETWORK_ISDN		0x04
173#define	PCI_SUBCLASS_NETWORK_WORLDFIP		0x05
174#define	PCI_SUBCLASS_NETWORK_PCIMGMULTICOMP	0x06
175#define	PCI_SUBCLASS_NETWORK_MISC		0x80
176
177/* 0x03 display subclasses */
178#define	PCI_SUBCLASS_DISPLAY_VGA		0x00
179#define	PCI_SUBCLASS_DISPLAY_XGA		0x01
180#define	PCI_SUBCLASS_DISPLAY_3D			0x02
181#define	PCI_SUBCLASS_DISPLAY_MISC		0x80
182
183/* 0x04 multimedia subclasses */
184#define	PCI_SUBCLASS_MULTIMEDIA_VIDEO		0x00
185#define	PCI_SUBCLASS_MULTIMEDIA_AUDIO		0x01
186#define	PCI_SUBCLASS_MULTIMEDIA_TELEPHONY	0x02
187#define	PCI_SUBCLASS_MULTIMEDIA_HDAUDIO		0x03
188#define	PCI_SUBCLASS_MULTIMEDIA_MISC		0x80
189
190/* 0x05 memory subclasses */
191#define	PCI_SUBCLASS_MEMORY_RAM			0x00
192#define	PCI_SUBCLASS_MEMORY_FLASH		0x01
193#define	PCI_SUBCLASS_MEMORY_MISC		0x80
194
195/* 0x06 bridge subclasses */
196#define	PCI_SUBCLASS_BRIDGE_HOST		0x00
197#define	PCI_SUBCLASS_BRIDGE_ISA			0x01
198#define	PCI_SUBCLASS_BRIDGE_EISA		0x02
199#define	PCI_SUBCLASS_BRIDGE_MC			0x03
200#define	PCI_SUBCLASS_BRIDGE_PCI			0x04
201#define	PCI_SUBCLASS_BRIDGE_PCMCIA		0x05
202#define	PCI_SUBCLASS_BRIDGE_NUBUS		0x06
203#define	PCI_SUBCLASS_BRIDGE_CARDBUS		0x07
204#define	PCI_SUBCLASS_BRIDGE_RACEWAY		0x08
205#define	PCI_SUBCLASS_BRIDGE_STPCI		0x09
206#define	PCI_SUBCLASS_BRIDGE_INFINIBAND		0x0a
207#define	PCI_SUBCLASS_BRIDGE_MISC		0x80
208
209/* 0x07 communications subclasses */
210#define	PCI_SUBCLASS_COMMUNICATIONS_SERIAL	0x00
211#define	PCI_SUBCLASS_COMMUNICATIONS_PARALLEL	0x01
212#define	PCI_SUBCLASS_COMMUNICATIONS_MPSERIAL	0x02
213#define	PCI_SUBCLASS_COMMUNICATIONS_MODEM	0x03
214#define	PCI_SUBCLASS_COMMUNICATIONS_GPIB	0x04
215#define	PCI_SUBCLASS_COMMUNICATIONS_SMARTCARD	0x05
216#define	PCI_SUBCLASS_COMMUNICATIONS_MISC	0x80
217
218/* 0x08 system subclasses */
219#define	PCI_SUBCLASS_SYSTEM_PIC			0x00
220#define	PCI_SUBCLASS_SYSTEM_DMA			0x01
221#define	PCI_SUBCLASS_SYSTEM_TIMER		0x02
222#define	PCI_SUBCLASS_SYSTEM_RTC			0x03
223#define	PCI_SUBCLASS_SYSTEM_PCIHOTPLUG		0x04
224#define	PCI_SUBCLASS_SYSTEM_SDHC		0x05
225#define	PCI_SUBCLASS_SYSTEM_MISC		0x80
226
227/* 0x09 input subclasses */
228#define	PCI_SUBCLASS_INPUT_KEYBOARD		0x00
229#define	PCI_SUBCLASS_INPUT_DIGITIZER		0x01
230#define	PCI_SUBCLASS_INPUT_MOUSE		0x02
231#define	PCI_SUBCLASS_INPUT_SCANNER		0x03
232#define	PCI_SUBCLASS_INPUT_GAMEPORT		0x04
233#define	PCI_SUBCLASS_INPUT_MISC			0x80
234
235/* 0x0a dock subclasses */
236#define	PCI_SUBCLASS_DOCK_GENERIC		0x00
237#define	PCI_SUBCLASS_DOCK_MISC			0x80
238
239/* 0x0b processor subclasses */
240#define	PCI_SUBCLASS_PROCESSOR_386		0x00
241#define	PCI_SUBCLASS_PROCESSOR_486		0x01
242#define	PCI_SUBCLASS_PROCESSOR_PENTIUM		0x02
243#define	PCI_SUBCLASS_PROCESSOR_ALPHA		0x10
244#define	PCI_SUBCLASS_PROCESSOR_POWERPC		0x20
245#define	PCI_SUBCLASS_PROCESSOR_MIPS		0x30
246#define	PCI_SUBCLASS_PROCESSOR_COPROC		0x40
247
248/* 0x0c serial bus subclasses */
249#define	PCI_SUBCLASS_SERIALBUS_FIREWIRE		0x00
250#define	PCI_SUBCLASS_SERIALBUS_ACCESS		0x01
251#define	PCI_SUBCLASS_SERIALBUS_SSA		0x02
252#define	PCI_SUBCLASS_SERIALBUS_USB		0x03
253#define	PCI_SUBCLASS_SERIALBUS_FIBER		0x04
254#define	PCI_SUBCLASS_SERIALBUS_SMBUS		0x05
255#define	PCI_SUBCLASS_SERIALBUS_INFINIBAND	0x06
256#define	PCI_SUBCLASS_SERIALBUS_IPMI		0x07
257#define	PCI_SUBCLASS_SERIALBUS_SERCOS		0x08
258#define	PCI_SUBCLASS_SERIALBUS_CANBUS		0x09
259
260/* 0x0d wireless subclasses */
261#define	PCI_SUBCLASS_WIRELESS_IRDA		0x00
262#define	PCI_SUBCLASS_WIRELESS_CONSUMERIR	0x01
263#define	PCI_SUBCLASS_WIRELESS_RF		0x10
264#define	PCI_SUBCLASS_WIRELESS_BLUETOOTH		0x11
265#define	PCI_SUBCLASS_WIRELESS_BROADBAND		0x12
266#define	PCI_SUBCLASS_WIRELESS_802_11A		0x20
267#define	PCI_SUBCLASS_WIRELESS_802_11B		0x21
268#define	PCI_SUBCLASS_WIRELESS_MISC		0x80
269
270/* 0x0e I2O (Intelligent I/O) subclasses */
271#define	PCI_SUBCLASS_I2O_STANDARD		0x00
272
273/* 0x0f satellite communication subclasses */
274/*	PCI_SUBCLASS_SATCOM_???			0x00    / * XXX ??? */
275#define	PCI_SUBCLASS_SATCOM_TV			0x01
276#define	PCI_SUBCLASS_SATCOM_AUDIO		0x02
277#define	PCI_SUBCLASS_SATCOM_VOICE		0x03
278#define	PCI_SUBCLASS_SATCOM_DATA		0x04
279
280/* 0x10 encryption/decryption subclasses */
281#define	PCI_SUBCLASS_CRYPTO_NETCOMP		0x00
282#define	PCI_SUBCLASS_CRYPTO_ENTERTAINMENT	0x10
283#define	PCI_SUBCLASS_CRYPTO_MISC		0x80
284
285/* 0x11 data acquisition and signal processing subclasses */
286#define	PCI_SUBCLASS_DASP_DPIO			0x00
287#define	PCI_SUBCLASS_DASP_TIMEFREQ		0x01
288#define	PCI_SUBCLASS_DASP_SYNC			0x10
289#define	PCI_SUBCLASS_DASP_MGMT			0x20
290#define	PCI_SUBCLASS_DASP_MISC			0x80
291
292/*
293 * PCI BIST/Header Type/Latency Timer/Cache Line Size Register.
294 */
295#define	PCI_BHLC_REG			0x0c
296
297#define	PCI_BIST_SHIFT				24
298#define	PCI_BIST_MASK				0xff
299#define	PCI_BIST(bhlcr) \
300	    (((bhlcr) >> PCI_BIST_SHIFT) & PCI_BIST_MASK)
301
302#define	PCI_HDRTYPE_SHIFT			16
303#define	PCI_HDRTYPE_MASK			0xff
304#define	PCI_HDRTYPE(bhlcr) \
305	    (((bhlcr) >> PCI_HDRTYPE_SHIFT) & PCI_HDRTYPE_MASK)
306
307#define PCI_HDRTYPE_TYPE(bhlcr) \
308	    (PCI_HDRTYPE(bhlcr) & 0x7f)
309#define	PCI_HDRTYPE_MULTIFN(bhlcr) \
310	    ((PCI_HDRTYPE(bhlcr) & 0x80) != 0)
311
312#define	PCI_LATTIMER_SHIFT			8
313#define	PCI_LATTIMER_MASK			0xff
314#define	PCI_LATTIMER(bhlcr) \
315	    (((bhlcr) >> PCI_LATTIMER_SHIFT) & PCI_LATTIMER_MASK)
316
317#define	PCI_CACHELINE_SHIFT			0
318#define	PCI_CACHELINE_MASK			0xff
319#define	PCI_CACHELINE(bhlcr) \
320	    (((bhlcr) >> PCI_CACHELINE_SHIFT) & PCI_CACHELINE_MASK)
321
322/* config registers for header type 0 devices */
323
324#define PCI_MAPS	0x10
325#define PCI_CARDBUSCIS	0x28
326#define PCI_SUBVEND_0	0x2c
327#define PCI_SUBDEV_0	0x2e
328#define PCI_INTLINE	0x3c
329#define PCI_INTPIN	0x3d
330#define PCI_MINGNT	0x3e
331#define PCI_MAXLAT	0x3f
332
333/* config registers for header type 1 devices */
334
335#define PCI_SECSTAT_1	0 /**/
336
337#define PCI_PRIBUS_1	0x18
338#define PCI_SECBUS_1	0x19
339#define PCI_SUBBUS_1	0x1a
340#define PCI_SECLAT_1	0x1b
341
342#define PCI_IOBASEL_1	0x1c
343#define PCI_IOLIMITL_1	0x1d
344#define PCI_IOBASEH_1	0 /**/
345#define PCI_IOLIMITH_1	0 /**/
346
347#define PCI_MEMBASE_1	0x20
348#define PCI_MEMLIMIT_1	0x22
349
350#define PCI_PMBASEL_1	0x24
351#define PCI_PMLIMITL_1	0x26
352#define PCI_PMBASEH_1	0 /**/
353#define PCI_PMLIMITH_1	0 /**/
354
355#define PCI_BRIDGECTL_1 0 /**/
356
357#define PCI_SUBVEND_1	0x34
358#define PCI_SUBDEV_1	0x36
359
360/* config registers for header type 2 devices */
361
362#define PCI_SECSTAT_2	0x16
363
364#define PCI_PRIBUS_2	0x18
365#define PCI_SECBUS_2	0x19
366#define PCI_SUBBUS_2	0x1a
367#define PCI_SECLAT_2	0x1b
368
369#define PCI_MEMBASE0_2	0x1c
370#define PCI_MEMLIMIT0_2 0x20
371#define PCI_MEMBASE1_2	0x24
372#define PCI_MEMLIMIT1_2 0x28
373#define PCI_IOBASE0_2	0x2c
374#define PCI_IOLIMIT0_2	0x30
375#define PCI_IOBASE1_2	0x34
376#define PCI_IOLIMIT1_2	0x38
377
378#define PCI_BRIDGECTL_2 0x3e
379
380#define PCI_SUBVEND_2	0x40
381#define PCI_SUBDEV_2	0x42
382
383#define PCI_PCCARDIF_2	0x44
384
385/*
386 * Mapping registers
387 */
388#define	PCI_MAPREG_START		0x10
389#define	PCI_MAPREG_END			0x28
390#define	PCI_MAPREG_PPB_END		0x18
391#define	PCI_MAPREG_PCB_END		0x14
392
393#define	PCI_MAPREG_TYPE(mr)						\
394	    ((mr) & PCI_MAPREG_TYPE_MASK)
395#define	PCI_MAPREG_TYPE_MASK			0x00000001
396
397#define	PCI_MAPREG_TYPE_MEM			0x00000000
398#define	PCI_MAPREG_TYPE_IO			0x00000001
399
400#define	PCI_MAPREG_MEM_TYPE(mr)						\
401	    ((mr) & PCI_MAPREG_MEM_TYPE_MASK)
402#define	PCI_MAPREG_MEM_TYPE_MASK		0x00000006
403
404#define	PCI_MAPREG_MEM_TYPE_32BIT		0x00000000
405#define	PCI_MAPREG_MEM_TYPE_32BIT_1M		0x00000002
406#define	PCI_MAPREG_MEM_TYPE_64BIT		0x00000004
407
408#define	PCI_MAPREG_MEM_PREFETCHABLE(mr)					\
409	    (((mr) & PCI_MAPREG_MEM_PREFETCHABLE_MASK) != 0)
410#define	PCI_MAPREG_MEM_PREFETCHABLE_MASK	0x00000008
411
412#define	PCI_MAPREG_MEM_ADDR(mr)						\
413	    ((mr) & PCI_MAPREG_MEM_ADDR_MASK)
414#define	PCI_MAPREG_MEM_SIZE(mr)						\
415	    (PCI_MAPREG_MEM_ADDR(mr) & -PCI_MAPREG_MEM_ADDR(mr))
416#define	PCI_MAPREG_MEM_ADDR_MASK		0xfffffff0
417
418#define	PCI_MAPREG_MEM64_ADDR(mr)					\
419	    ((mr) & PCI_MAPREG_MEM64_ADDR_MASK)
420#define	PCI_MAPREG_MEM64_SIZE(mr)					\
421	    (PCI_MAPREG_MEM64_ADDR(mr) & -PCI_MAPREG_MEM64_ADDR(mr))
422#define	PCI_MAPREG_MEM64_ADDR_MASK		0xfffffffffffffff0ULL
423
424#define	PCI_MAPREG_IO_ADDR(mr)						\
425	    ((mr) & PCI_MAPREG_IO_ADDR_MASK)
426#define	PCI_MAPREG_IO_SIZE(mr)						\
427	    (PCI_MAPREG_IO_ADDR(mr) & -PCI_MAPREG_IO_ADDR(mr))
428#define	PCI_MAPREG_IO_ADDR_MASK			0xfffffffe
429
430/*
431 * Cardbus CIS pointer (PCI rev. 2.1)
432 */
433#define PCI_CARDBUS_CIS_REG 0x28
434
435/*
436 * Subsystem identification register; contains a vendor ID and a device ID.
437 * Types/macros for PCI_ID_REG apply.
438 * (PCI rev. 2.1)
439 */
440#define PCI_SUBSYS_ID_REG 0x2c
441
442/*
443 * Expansion ROM Base Address register
444 * (PCI rev. 2.0)
445 */
446#define PCI_ROM_REG 0x30
447
448#define PCI_ROM_ENABLE			0x00000001
449#define PCI_ROM_ADDR_MASK		0xfffff800
450#define PCI_ROM_ADDR(mr)						\
451	    ((mr) & PCI_ROM_ADDR_MASK)
452#define PCI_ROM_SIZE(mr)						\
453	    (PCI_ROM_ADDR(mr) & -PCI_ROM_ADDR(mr))
454
455/*
456 * capabilities link list (PCI rev. 2.2)
457 */
458#define PCI_CAPLISTPTR_REG		0x34	/* header type 0 */
459#define PCI_CARDBUS_CAPLISTPTR_REG	0x14	/* header type 2 */
460#define PCI_CAPLIST_PTR(cpr) ((cpr) & 0xff)
461#define PCI_CAPLIST_NEXT(cr) (((cr) >> 8) & 0xff)
462#define PCI_CAPLIST_CAP(cr) ((cr) & 0xff)
463
464#define PCI_CAP_RESERVED	0x00
465#define PCI_CAP_PWRMGMT		0x01
466#define PCI_CAP_AGP		0x02
467#define PCI_CAP_VPD		0x03
468#define PCI_CAP_SLOTID		0x04
469#define PCI_CAP_MSI		0x05
470#define PCI_CAP_CPCI_HOTSWAP	0x06
471#define PCI_CAP_PCIX		0x07
472#define PCI_CAP_LDT		0x08
473#define PCI_CAP_VENDSPEC	0x09
474#define PCI_CAP_DEBUGPORT	0x0a
475#define PCI_CAP_CPCI_RSRCCTL	0x0b
476#define PCI_CAP_HOTPLUG		0x0c
477#define PCI_CAP_AGP8		0x0e
478#define PCI_CAP_SECURE		0x0f
479#define PCI_CAP_PCIEXPRESS     	0x10
480#define PCI_CAP_MSIX		0x11
481
482/*
483 * Power Management Control Status Register; access via capability pointer.
484 */
485#define PCI_PMCSR		0x04
486#define PCI_PMCSR_STATE_MASK	0x03
487#define PCI_PMCSR_STATE_D0	0x00
488#define PCI_PMCSR_STATE_D1	0x01
489#define PCI_PMCSR_STATE_D2	0x02
490#define PCI_PMCSR_STATE_D3	0x03
491
492/*
493 * Interrupt Configuration Register; contains interrupt pin and line.
494 */
495#define	PCI_INTERRUPT_REG		0x3c
496
497typedef u_int8_t pci_intr_pin_t;
498typedef u_int8_t pci_intr_line_t;
499
500#define	PCI_INTERRUPT_PIN_SHIFT			8
501#define	PCI_INTERRUPT_PIN_MASK			0xff
502#define	PCI_INTERRUPT_PIN(icr) \
503	    (((icr) >> PCI_INTERRUPT_PIN_SHIFT) & PCI_INTERRUPT_PIN_MASK)
504
505#define	PCI_INTERRUPT_LINE_SHIFT		0
506#define	PCI_INTERRUPT_LINE_MASK			0xff
507#define	PCI_INTERRUPT_LINE(icr) \
508	    (((icr) >> PCI_INTERRUPT_LINE_SHIFT) & PCI_INTERRUPT_LINE_MASK)
509
510#define	PCI_MIN_GNT_SHIFT			16
511#define	PCI_MIN_GNT_MASK			0xff
512#define	PCI_MIN_GNT(icr) \
513	    (((icr) >> PCI_MIN_GNT_SHIFT) & PCI_MIN_GNT_MASK)
514
515#define	PCI_MAX_LAT_SHIFT			24
516#define	PCI_MAX_LAT_MASK			0xff
517#define	PCI_MAX_LAT(icr) \
518	    (((icr) >> PCI_MAX_LAT_SHIFT) & PCI_MAX_LAT_MASK)
519
520#define	PCI_INTERRUPT_PIN_NONE			0x00
521#define	PCI_INTERRUPT_PIN_A			0x01
522#define	PCI_INTERRUPT_PIN_B			0x02
523#define	PCI_INTERRUPT_PIN_C			0x03
524#define	PCI_INTERRUPT_PIN_D			0x04
525#define	PCI_INTERRUPT_PIN_MAX			0x04
526
527/*
528 * Vital Product Data resource tags.
529 */
530struct pci_vpd_smallres {
531	uint8_t		vpdres_byte0;		/* length of data + tag */
532	/* Actual data. */
533} __packed;
534
535struct pci_vpd_largeres {
536	uint8_t		vpdres_byte0;
537	uint8_t		vpdres_len_lsb;		/* length of data only */
538	uint8_t		vpdres_len_msb;
539	/* Actual data. */
540} __packed;
541
542#define	PCI_VPDRES_ISLARGE(x)			((x) & 0x80)
543
544#define	PCI_VPDRES_SMALL_LENGTH(x)		((x) & 0x7)
545#define	PCI_VPDRES_SMALL_NAME(x)		(((x) >> 3) & 0xf)
546
547#define	PCI_VPDRES_LARGE_NAME(x)		((x) & 0x7f)
548
549#define	PCI_VPDRES_TYPE_COMPATIBLE_DEVICE_ID	0x3	/* small */
550#define	PCI_VPDRES_TYPE_VENDOR_DEFINED		0xe	/* small */
551#define	PCI_VPDRES_TYPE_END_TAG			0xf	/* small */
552
553#define	PCI_VPDRES_TYPE_IDENTIFIER_STRING	0x02	/* large */
554#define	PCI_VPDRES_TYPE_VPD			0x10	/* large */
555
556struct pci_vpd {
557	uint8_t		vpd_key0;
558	uint8_t		vpd_key1;
559	uint8_t		vpd_len;		/* length of data only */
560	/* Actual data. */
561} __packed;
562
563/*
564 * Recommended VPD fields:
565 *
566 *	PN		Part number of assembly
567 *	FN		FRU part number
568 *	EC		EC level of assembly
569 *	MN		Manufacture ID
570 *	SN		Serial Number
571 *
572 * Conditionally recommended VPD fields:
573 *
574 *	LI		Load ID
575 *	RL		ROM Level
576 *	RM		Alterable ROM Level
577 *	NA		Network Address
578 *	DD		Device Driver Level
579 *	DG		Diagnostic Level
580 *	LL		Loadable Microcode Level
581 *	VI		Vendor ID/Device ID
582 *	FU		Function Number
583 *	SI		Subsystem Vendor ID/Subsystem ID
584 *
585 * Additional VPD fields:
586 *
587 *	Z0-ZZ		User/Product Specific
588 */
589
590#endif /* _DEV_PCI_PCIREG_H_ */
591