54 lines
2.2 KiB
C
54 lines
2.2 KiB
C
/* $NetBSD: wsdisplay_pci.c,v 1.1 2011/01/22 15:14:28 cegger Exp $ */
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/*
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christoph Egger.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wsdisplay_pci.c,v 1.1 2011/01/22 15:14:28 cegger Exp $");
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#include <sys/param.h>
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#include <sys/bus.h>
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#include <dev/pci/pcivar.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/pci/wsdisplay_pci.h>
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int
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wsdisplayio_busid_pci(device_t self, pci_chipset_tag_t pc,
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pcitag_t tag, void *data)
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{
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struct wsdisplayio_bus_id *busid = data;
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KASSERT(device_is_a(device_parent(self), "pci"));
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busid->bus_type = WSDISPLAYIO_BUS_PCI;
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busid->ubus.pci.domain = device_unit(device_parent(self));
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pci_decompose_tag(pc, tag,
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&busid->ubus.pci.bus, &busid->ubus.pci.device,
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&busid->ubus.pci.function);
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return 0;
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}
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