acpi_pcibvar.h revision 133500
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: head/sys/dev/acpica/acpi_pcibvar.h 133500 2004-08-11 14:52:50Z njl $
28 */
29
30#ifndef	_ACPI_PCIBVAR_H_
31#define	_ACPI_PCIBVAR_H_
32
33int	acpi_pcib_attach(device_t bus, ACPI_BUFFER *prt, int busno);
34int	acpi_pcib_route_interrupt(device_t pcib, device_t dev, int pin);
35int	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
41struct 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
57struct 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
66int	acpi_pci_link_config(device_t pcib, ACPI_BUFFER *prt, int busno);
67int	acpi_pci_link_resume(device_t pcib);
68struct	acpi_prt_entry *acpi_pci_find_prt(device_t pcibdev, device_t dev,
69	    int pin);
70int	acpi_pci_link_route(device_t dev, struct acpi_prt_entry *prt);
71
72#endif
73