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      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