xref: /netbsd/sys/dev/pci/pciconf.h (revision a7c55392)
1 /*	$NetBSD: pciconf.h,v 1.16 2020/10/20 23:03:30 jmcneill Exp $	*/
2 
3 /*
4  * Copyright 2001 Wasabi Systems, Inc.
5  * All rights reserved.
6  *
7  * Written by Allen Briggs for Wasabi Systems, Inc.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following 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  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *      This product includes software developed for the NetBSD Project by
20  *      Wasabi Systems, Inc.
21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 #ifndef _DEV_PCI_PCICONF_H_
39 #define	_DEV_PCI_PCICONF_H_
40 
41 #include <sys/vmem.h>
42 
43 struct pciconf_resources;
44 
45 #define	PCICONF_RESOURCE_IO			0
46 #define	PCICONF_RESOURCE_MEM			1
47 #define	PCICONF_RESOURCE_PREFETCHABLE_MEM	2
48 
49 struct pciconf_resources *
50 	pciconf_resource_init(void);
51 void	pciconf_resource_fini(struct pciconf_resources *);
52 int	pciconf_resource_add(struct pciconf_resources *, int,
53 	    bus_addr_t, bus_size_t);
54 void	pciconf_resource_reserve(int, bus_addr_t, bus_size_t,
55 	    void (*)(void *, uint64_t), void *);
56 
57 /*
58  * args: pci_chipset_tag_t, resources, firstbus, cacheline_size
59  * If no prefetchable memory resources are available, plain memory resources
60  * will be used for both.
61  */
62 int	pci_configure_bus(pci_chipset_tag_t, struct pciconf_resources *,
63 	    int, int);
64 
65 /* Defined in machdep code.  Returns the interrupt line to set */
66 /* args: chipset_tag, bus, dev, ipin, swiz, ptr to interrupt line */
67 #ifndef pci_conf_interrupt
68 void	pci_conf_interrupt(pci_chipset_tag_t, int, int, int, int, int *);
69 #endif
70 
71 #define PCI_CONF_MAP_IO		0x0001
72 #define PCI_CONF_MAP_MEM	0x0002
73 #define PCI_CONF_MAP_ROM	0x0004
74 #define PCI_CONF_ENABLE_IO	0x0008
75 #define PCI_CONF_ENABLE_MEM	0x0010
76 #define PCI_CONF_ENABLE_BM	0x0020
77 #define PCI_CONF_ENABLE_PARITY	0x0040
78 #define PCI_CONF_ENABLE_SERR	0x0080
79 #define PCI_CONF_ENABLE_ROM	0x0100
80 #define PCI_CONF_DEFAULT	0x00ff
81 #define PCI_CONF_ALL		0x01ff
82 
83 #endif /* _DEV_PCI_PCICONF_H_ */
84