xref: /freebsd/sys/dev/acpica/acpi_pcibvar.h (revision cec50dea12481dc578c0805c887ab2097e1c06c5)
1 /*-
2  * Copyright (c) 2000 Michael Smith
3  * Copyright (c) 2000 BSDi
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following 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 AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef	_ACPI_PCIBVAR_H_
31 #define	_ACPI_PCIBVAR_H_
32 
33 int	acpi_pcib_attach(device_t bus, ACPI_BUFFER *prt, int busno);
34 int	acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin);
35 int	acpi_pcib_resume(device_t dev);
36 
37 #define MAX_POSSIBLE_INTERRUPTS	16
38 #define MAX_ISA_INTERRUPTS	16
39 #define MAX_ACPI_INTERRUPTS	255
40 
41 struct acpi_pci_link_entry {
42 	TAILQ_ENTRY(acpi_pci_link_entry) links;
43 	ACPI_HANDLE	handle;
44 	UINT8		current_irq;
45 	UINT8		initial_irq;
46 	ACPI_RESOURCE	possible_resources;
47 	UINT8		number_of_interrupts;
48 	UINT8		interrupts[MAX_POSSIBLE_INTERRUPTS];
49 	UINT8		sorted_irq[MAX_POSSIBLE_INTERRUPTS];
50 	int		references;
51 	int		priority;
52 	int		flags;
53 #define ACPI_LINK_NONE		0
54 #define ACPI_LINK_ROUTED	(1 << 0)
55 };
56 
57 struct acpi_prt_entry {
58 	TAILQ_ENTRY(acpi_prt_entry) links;
59 	device_t	pcidev;
60 	int		busno;
61 	ACPI_PCI_ROUTING_TABLE prt;
62 	ACPI_HANDLE	prt_source;
63 	struct acpi_pci_link_entry *pci_link;
64 };
65 
66 int	acpi_pci_link_config(device_t pcib, ACPI_BUFFER *prt, int busno);
67 int	acpi_pci_link_resume(device_t pcib);
68 struct	acpi_prt_entry *acpi_pci_find_prt(device_t pcibdev, device_t dev,
69 	    int pin);
70 int	acpi_pci_link_route(device_t dev, struct acpi_prt_entry *prt);
71 
72 #endif
73