1 | /* $NetBSD: wsdisplay_pci.c,v 1.1 2011/01/22 15:14:28 cegger Exp $ */ |
2 | /* |
3 | * Copyright (c) 2011 The NetBSD Foundation, Inc. |
4 | * All rights reserved. |
5 | * |
6 | * This code is derived from software contributed to The NetBSD Foundation |
7 | * by Christoph Egger. |
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 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
19 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
20 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
21 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
22 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
28 | * POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
30 | |
31 | #include <sys/cdefs.h> |
32 | __KERNEL_RCSID(0, "$NetBSD: wsdisplay_pci.c,v 1.1 2011/01/22 15:14:28 cegger Exp $" ); |
33 | |
34 | #include <sys/param.h> |
35 | #include <sys/bus.h> |
36 | #include <dev/pci/pcivar.h> |
37 | #include <dev/wscons/wsconsio.h> |
38 | #include <dev/pci/wsdisplay_pci.h> |
39 | |
40 | int |
41 | wsdisplayio_busid_pci(device_t self, pci_chipset_tag_t pc, |
42 | pcitag_t tag, void *data) |
43 | { |
44 | struct wsdisplayio_bus_id *busid = data; |
45 | |
46 | KASSERT(device_is_a(device_parent(self), "pci" )); |
47 | busid->bus_type = WSDISPLAYIO_BUS_PCI; |
48 | busid->ubus.pci.domain = device_unit(device_parent(self)); |
49 | pci_decompose_tag(pc, tag, |
50 | &busid->ubus.pci.bus, &busid->ubus.pci.device, |
51 | &busid->ubus.pci.function); |
52 | return 0; |
53 | } |
54 | |