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amdpcib.c revision 1.1 
      1 /* $NetBSD: amdpcib.c,v 1.1 2007/10/26 22:17:14 xtraeme Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2006 Nicolas Joly
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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: amdpcib.c,v 1.1 2007/10/26 22:17:14 xtraeme Exp $");
     33 
     34 #include <sys/systm.h>
     35 #include <sys/device.h>
     36 
     37 #include <dev/pci/pcivar.h>
     38 #include <dev/pci/pcireg.h>
     39 #include <dev/pci/pcidevs.h>
     40 
     41 struct amdpcib_softc {
     42 	struct device		sc_dev;
     43 
     44 	bus_space_tag_t		sc_memt;
     45 	bus_space_handle_t	sc_memh;
     46 };
     47 
     48 static int	amdpcib_match(struct device *, struct cfdata *, void *);
     49 static void	amdpcib_attach(struct device *, struct device *, void *);
     50 static int	amdpcib_search(device_t, cfdata_t, const int *, void *);
     51 
     52 
     53 extern void	pcibattach(struct device *, struct device *, void *);
     54 
     55 CFATTACH_DECL(amdpcib, sizeof(struct amdpcib_softc), amdpcib_match,
     56     amdpcib_attach, NULL, NULL);
     57 
     58 static int
     59 amdpcib_match(struct device *parent, struct cfdata *match, void *aux)
     60 {
     61 	struct pci_attach_args *pa = aux;
     62 
     63 	if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD) &&
     64 	    (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_PBC8111_LPC))
     65 		return 2;
     66 
     67 	return 0;
     68 }
     69 
     70 static void
     71 amdpcib_attach(struct device *parent, struct device *self, void *aux)
     72 {
     73 	struct amdpcib_softc *sc;
     74 	struct pci_attach_args *pa;
     75 
     76 	sc = (struct amdpcib_softc *)self;
     77 	pa = (struct pci_attach_args *)aux;
     78 
     79 	pcibattach(parent, self, aux);
     80 
     81 	config_search_loc(amdpcib_search, &sc->sc_dev, "amdpcib", NULL, pa);
     82 }
     83 
     84 static int
     85 amdpcib_search(device_t parent, cfdata_t cf, const int *locs, void *aux)
     86 {
     87 
     88 	if (config_match(parent, cf, aux))
     89 		config_attach_loc(parent, cf, locs, aux, NULL);
     90 
     91 	return 0;
     92 }
     93