xref: /freebsd/sys/x86/include/pci_cfgreg.h (revision 834063202a16592e1ef5c3a9fbd04ca5f1df3ed0)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1997, Stefan Esser <se@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice unmodified, this list of conditions, and the following
12  *    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  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  *
30  */
31 
32 #ifndef __X86_PCI_CFGREG_H__
33 #define	__X86_PCI_CFGREG_H__
34 
35 #define CONF1_ADDR_PORT    0x0cf8
36 #define CONF1_DATA_PORT    0x0cfc
37 
38 #define CONF1_ENABLE       0x80000000ul
39 #define CONF1_ENABLE_CHK   0x80000000ul
40 #define CONF1_ENABLE_MSK   0x7f000000ul
41 #define CONF1_ENABLE_CHK1  0xff000001ul
42 #define CONF1_ENABLE_MSK1  0x80000001ul
43 #define CONF1_ENABLE_RES1  0x80000000ul
44 
45 #define CONF2_ENABLE_PORT  0x0cf8
46 #define CONF2_FORWARD_PORT 0x0cfa
47 
48 #define CONF2_ENABLE_CHK   0x0e
49 #define CONF2_ENABLE_RES   0x0e
50 
51 rman_res_t	hostb_alloc_start(int type, rman_res_t start, rman_res_t end, rman_res_t count);
52 int		pcie_cfgregopen(uint64_t base, uint8_t minbus, uint8_t maxbus);
53 int		pci_cfgregopen(void);
54 u_int32_t	pci_cfgregread(int bus, int slot, int func, int reg, int bytes);
55 void		pci_cfgregwrite(int bus, int slot, int func, int reg, u_int32_t data, int bytes);
56 #ifdef __HAVE_PIR
57 void		pci_pir_open(void);
58 int		pci_pir_probe(int bus, int require_parse);
59 int		pci_pir_route_interrupt(int bus, int device, int func, int pin);
60 #endif
61 
62 #endif /* !__X86_PCI_CFGREG_H__ */
63