1 /* $NetBSD: amdnb_misc.c,v 1.1 2012/04/13 13:11:17 cegger Exp $ */ 2 /* 3 * Copyright (c) 2012 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: amdnb_misc.c,v 1.1 2012/04/13 13:11:17 cegger Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/device.h> 36 37 #include <dev/pci/pcireg.h> 38 #include <dev/pci/pcivar.h> 39 #include <dev/pci/pcidevs.h> 40 41 static int amdnb_misc_match(device_t, cfdata_t match, void *); 42 static void amdnb_misc_attach(device_t, device_t, void *); 43 static int amdnb_misc_detach(device_t, int); 44 45 CFATTACH_DECL_NEW(amdnb_misc, 0, 46 amdnb_misc_match, amdnb_misc_attach, amdnb_misc_detach, NULL); 47 48 49 static int 50 amdnb_misc_match(device_t parent, cfdata_t match, void *aux) 51 { 52 struct pci_attach_args *pa = aux; 53 54 if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_AMD) 55 return 0; 56 57 switch (PCI_PRODUCT(pa->pa_id)) { 58 case PCI_PRODUCT_AMD_AMD64_MISC: 59 case PCI_PRODUCT_AMD_AMD64_F10_MISC: 60 case PCI_PRODUCT_AMD_AMD64_F11_MISC: 61 case PCI_PRODUCT_AMD_F14_NB: /* Family 12h, too */ 62 case PCI_PRODUCT_AMD_F15_MISC: 63 break; 64 default: 65 return 0; 66 } 67 68 return 2; /* supercede pchb(4) */ 69 } 70 71 static int 72 amdnb_misc_search(device_t parent, cfdata_t cf, const int *locs, void *aux) 73 { 74 if (config_match(parent, cf, aux)) 75 config_attach_loc(parent, cf, locs, aux, NULL); 76 77 return 0; 78 } 79 80 static void 81 amdnb_misc_attach(device_t parent, device_t self, void *aux) 82 { 83 aprint_naive("\n"); 84 aprint_normal(": AMD NB Misc Configuration\n"); 85 86 if (!pmf_device_register(self, NULL, NULL)) 87 aprint_error_dev(self, "couldn't establish power handler\n"); 88 89 config_search_loc(amdnb_misc_search, self, "amdnb_miscbus", NULL, aux); 90 return; 91 } 92 93 static int 94 amdnb_misc_detach(device_t self, int flags) 95 { 96 int rv; 97 98 rv = config_detach_children(self, flags); 99 if (rv != 0) 100 return rv; 101 102 pmf_device_deregister(self); 103 return rv; 104 } 105