1 /* $NetBSD: obio.c,v 1.16 2002/10/02 05:30:42 thorpej Exp $ */ 2 3 /*- 4 * Copyright (C) 1998 Internet Research Institute, Inc. 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by 18 * Internet Research Institute, Inc. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/device.h> 38 39 #include <dev/pci/pcivar.h> 40 #include <dev/pci/pcidevs.h> 41 42 #include <dev/ofw/openfirm.h> 43 44 #include <machine/autoconf.h> 45 46 static void obio_attach __P((struct device *, struct device *, void *)); 47 static int obio_match __P((struct device *, struct cfdata *, void *)); 48 static int obio_print __P((void *, const char *)); 49 50 struct obio_softc { 51 struct device sc_dev; 52 int sc_node; 53 }; 54 55 56 CFATTACH_DECL(obio, sizeof(struct obio_softc), 57 obio_match, obio_attach, NULL, NULL); 58 59 int 60 obio_match(parent, cf, aux) 61 struct device *parent; 62 struct cfdata *cf; 63 void *aux; 64 { 65 struct pci_attach_args *pa = aux; 66 67 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE) 68 switch (PCI_PRODUCT(pa->pa_id)) { 69 70 case PCI_PRODUCT_APPLE_GC: 71 case PCI_PRODUCT_APPLE_OHARE: 72 case PCI_PRODUCT_APPLE_HEATHROW: 73 case PCI_PRODUCT_APPLE_PADDINGTON: 74 case PCI_PRODUCT_APPLE_KEYLARGO: 75 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 76 return 1; 77 } 78 79 return 0; 80 } 81 82 /* 83 * Attach all the sub-devices we can find 84 */ 85 void 86 obio_attach(parent, self, aux) 87 struct device *parent, *self; 88 void *aux; 89 { 90 struct obio_softc *sc = (struct obio_softc *)self; 91 struct pci_attach_args *pa = aux; 92 struct confargs ca; 93 int node, child, namelen; 94 u_int reg[20]; 95 int intr[6]; 96 char name[32]; 97 98 switch (PCI_PRODUCT(pa->pa_id)) { 99 100 /* XXX should not use name */ 101 case PCI_PRODUCT_APPLE_GC: 102 node = OF_finddevice("/bandit/gc"); 103 break; 104 105 case PCI_PRODUCT_APPLE_OHARE: 106 node = OF_finddevice("/bandit/ohare"); 107 break; 108 109 case PCI_PRODUCT_APPLE_HEATHROW: 110 case PCI_PRODUCT_APPLE_PADDINGTON: 111 case PCI_PRODUCT_APPLE_KEYLARGO: 112 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 113 node = OF_finddevice("mac-io"); 114 if (node == -1) 115 node = OF_finddevice("/pci/mac-io"); 116 break; 117 118 default: 119 printf("obio_attach: unknown obio controller\n"); 120 return; 121 } 122 123 sc->sc_node = node; 124 125 if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12) 126 return; 127 ca.ca_baseaddr = reg[2]; 128 129 printf(": addr 0x%x\n", ca.ca_baseaddr); 130 131 /* Enable CD and microphone sound input. */ 132 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PADDINGTON) 133 out8(ca.ca_baseaddr + 0x37, 0x03); 134 135 for (child = OF_child(node); child; child = OF_peer(child)) { 136 namelen = OF_getprop(child, "name", name, sizeof(name)); 137 if (namelen < 0) 138 continue; 139 if (namelen >= sizeof(name)) 140 continue; 141 142 name[namelen] = 0; 143 ca.ca_name = name; 144 ca.ca_node = child; 145 146 ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg)); 147 ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr, 148 sizeof(intr)); 149 if (ca.ca_nintr == -1) 150 ca.ca_nintr = OF_getprop(child, "interrupts", intr, 151 sizeof(intr)); 152 153 ca.ca_reg = reg; 154 ca.ca_intr = intr; 155 156 config_found(self, &ca, obio_print); 157 } 158 } 159 160 static char *skiplist[] = { 161 "interrupt-controller", 162 "gpio", 163 "escc-legacy", 164 "timer", 165 "i2c", 166 "power-mgt" 167 }; 168 169 #define N_LIST (sizeof(skiplist) / sizeof(skiplist[0])) 170 171 int 172 obio_print(aux, obio) 173 void *aux; 174 const char *obio; 175 { 176 struct confargs *ca = aux; 177 int i; 178 179 for (i = 0; i < N_LIST; i++) 180 if (strcmp(ca->ca_name, skiplist[i]) == 0) 181 return QUIET; 182 183 if (obio) 184 printf("%s at %s", ca->ca_name, obio); 185 186 if (ca->ca_nreg > 0) 187 printf(" offset 0x%x", ca->ca_reg[0]); 188 189 return UNCONF; 190 } 191