1 /* $OpenBSD: pchb.c,v 1.17 2023/03/08 04:43:07 guenther Exp $ */ 2 /* $NetBSD: pchb.c,v 1.4 2000/01/25 07:19:11 tsubai Exp $ */ 3 4 /*- 5 * Copyright (c) 1996 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/device.h> 36 #include <sys/rwlock.h> 37 38 #include <machine/bus.h> 39 40 #include <dev/pci/pcivar.h> 41 #include <dev/pci/pcireg.h> 42 #include <dev/pci/pcidevs.h> 43 44 #include <dev/pci/agpvar.h> 45 46 #include "agp.h" 47 48 int pchbmatch(struct device *, void *, void *); 49 void pchbattach(struct device *, struct device *, void *); 50 51 const struct cfattach pchb_ca = { 52 sizeof(struct device), pchbmatch, pchbattach 53 }; 54 55 struct cfdriver pchb_cd = { 56 NULL, "pchb", DV_DULL 57 }; 58 59 int 60 pchbmatch(struct device *parent, void *cf, void *aux) 61 { 62 struct pci_attach_args *pa = aux; 63 64 /* 65 * Match all known PCI host chipsets. 66 */ 67 switch (PCI_VENDOR(pa->pa_id)) { 68 case PCI_VENDOR_APPLE: 69 switch (PCI_PRODUCT(pa->pa_id)) { 70 case PCI_PRODUCT_APPLE_BANDIT: 71 case PCI_PRODUCT_APPLE_UNINORTH: 72 case PCI_PRODUCT_APPLE_UNINORTHETH: 73 case PCI_PRODUCT_APPLE_UNINORTH_AGP: 74 case PCI_PRODUCT_APPLE_PANGEA: 75 case PCI_PRODUCT_APPLE_PANGEA_PCI: 76 case PCI_PRODUCT_APPLE_PANGEA_AGP: 77 case PCI_PRODUCT_APPLE_UNINORTH2: 78 case PCI_PRODUCT_APPLE_UNINORTH2ETH: 79 case PCI_PRODUCT_APPLE_UNINORTH2_AGP: 80 case PCI_PRODUCT_APPLE_UNINORTH_AGP3: 81 case PCI_PRODUCT_APPLE_UNINORTH5: 82 case PCI_PRODUCT_APPLE_UNINORTH6: 83 case PCI_PRODUCT_APPLE_SHASTA_HT: 84 case PCI_PRODUCT_APPLE_K2: 85 case PCI_PRODUCT_APPLE_INTREPID2_AGP: 86 case PCI_PRODUCT_APPLE_INTREPID2_PCI1: 87 case PCI_PRODUCT_APPLE_INTREPID2_PCI2: 88 case PCI_PRODUCT_APPLE_U3_AGP: 89 case PCI_PRODUCT_APPLE_U3L_AGP: 90 case PCI_PRODUCT_APPLE_K2_AGP: 91 return (1); 92 } 93 break; 94 95 case PCI_VENDOR_MOT: 96 switch (PCI_PRODUCT(pa->pa_id)) { 97 case PCI_PRODUCT_MOT_MPC106: 98 return (1); 99 } 100 break; 101 } 102 103 return (0); 104 } 105 106 void 107 pchbattach(struct device *parent, struct device *self, void *aux) 108 { 109 #if NAGP > 0 110 struct pci_attach_args *pa = aux; 111 #endif /* NAGP > 0 */ 112 113 printf("\n"); 114 115 #if NAGP > 0 116 if (pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_AGP, 117 NULL, NULL) != 0) { 118 struct agp_attach_args aa; 119 aa.aa_busname = "agp"; 120 aa.aa_pa = pa; 121 122 config_found(self, &aa, agpdev_print); 123 } 124 #endif /* NAGP > 0 */ 125 } 126