sys/arch/x86/pci/amdpcib.c

   1 /* $NetBSD: amdpcib.c,v 1.2 2008/03/21 12:29:38 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 1.2 2008/03/21 12:29:38 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 #include "pcibvar.h"
  41
  42 struct amdpcib_softc {
  43         /* we are calling pcibattach(), which assumes this starts like this: */
  44         struct pcib_softc       sc_pcib;
  45         bus_space_tag_t         sc_memt;
  46         bus_space_handle_t      sc_memh;
  47 };
  48
  49 static int      amdpcib_match(device_t, cfdata_t, void *);
  50 static void     amdpcib_attach(device_t, device_t, void *);
  51 static int      amdpcib_search(device_t, cfdata_t, const int *, void *);
  52
  53 CFATTACH_DECL_NEW(amdpcib, sizeof(struct amdpcib_softc), amdpcib_match,
  54     amdpcib_attach, NULL, NULL);
  55
  56 static int
  57 amdpcib_match(device_t parent, cfdata_t match, void *aux)
  58 {
  59         struct pci_attach_args *pa = aux;
  60
  61         if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD) &&
  62             (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_PBC8111_LPC))
  63                 return 2;
  64
  65         return 0;
  66 }
  67
  68 static void
  69 amdpcib_attach(device_t parent, device_t self, void *aux)
  70 {
  71         struct pci_attach_args *pa = aux;
  72
  73         pcibattach(parent, self, aux);
  74         config_search_loc(amdpcib_search, self, "amdpcib", NULL, pa);
  75 }
  76
  77 static int
  78 amdpcib_search(device_t parent, cfdata_t cf, const int *locs, void *aux)
  79 {
  80
  81         if (config_match(parent, cf, aux))
  82                 config_attach_loc(parent, cf, locs, aux, NULL);
  83
  84         return 0;
  85 }