1 /* $NetBSD: obio.c,v 1.14 2001/06/17 19:54:47 tsubai 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 struct cfattach obio_ca = { 57 sizeof(struct obio_softc), obio_match, obio_attach 58 }; 59 60 int 61 obio_match(parent, cf, aux) 62 struct device *parent; 63 struct cfdata *cf; 64 void *aux; 65 { 66 struct pci_attach_args *pa = aux; 67 68 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE) 69 switch (PCI_PRODUCT(pa->pa_id)) { 70 71 case PCI_PRODUCT_APPLE_GC: 72 case PCI_PRODUCT_APPLE_OHARE: 73 case PCI_PRODUCT_APPLE_HEATHROW: 74 case PCI_PRODUCT_APPLE_PADDINGTON: 75 case PCI_PRODUCT_APPLE_KEYLARGO: 76 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 77 return 1; 78 } 79 80 return 0; 81 } 82 83 /* 84 * Attach all the sub-devices we can find 85 */ 86 void 87 obio_attach(parent, self, aux) 88 struct device *parent, *self; 89 void *aux; 90 { 91 struct obio_softc *sc = (struct obio_softc *)self; 92 struct pci_attach_args *pa = aux; 93 struct confargs ca; 94 int node, child, namelen; 95 u_int reg[20]; 96 int intr[6]; 97 char name[32]; 98 99 switch (PCI_PRODUCT(pa->pa_id)) { 100 101 /* XXX should not use name */ 102 case PCI_PRODUCT_APPLE_GC: 103 node = OF_finddevice("/bandit/gc"); 104 break; 105 106 case PCI_PRODUCT_APPLE_OHARE: 107 node = OF_finddevice("/bandit/ohare"); 108 break; 109 110 case PCI_PRODUCT_APPLE_HEATHROW: 111 case PCI_PRODUCT_APPLE_PADDINGTON: 112 case PCI_PRODUCT_APPLE_KEYLARGO: 113 case PCI_PRODUCT_APPLE_PANGEA_MACIO: 114 node = OF_finddevice("mac-io"); 115 if (node == -1) 116 node = OF_finddevice("/pci/mac-io"); 117 break; 118 119 default: 120 printf("obio_attach: unknown obio controller\n"); 121 return; 122 } 123 124 sc->sc_node = node; 125 126 if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12) 127 return; 128 ca.ca_baseaddr = reg[2]; 129 130 printf(": addr 0x%x\n", ca.ca_baseaddr); 131 132 /* Enable CD and microphone sound input. */ 133 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PADDINGTON) 134 out8(ca.ca_baseaddr + 0x37, 0x03); 135 136 for (child = OF_child(node); child; child = OF_peer(child)) { 137 namelen = OF_getprop(child, "name", name, sizeof(name)); 138 if (namelen < 0) 139 continue; 140 if (namelen >= sizeof(name)) 141 continue; 142 143 name[namelen] = 0; 144 ca.ca_name = name; 145 ca.ca_node = child; 146 147 ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg)); 148 ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr, 149 sizeof(intr)); 150 if (ca.ca_nintr == -1) 151 ca.ca_nintr = OF_getprop(child, "interrupts", intr, 152 sizeof(intr)); 153 154 ca.ca_reg = reg; 155 ca.ca_intr = intr; 156 157 config_found(self, &ca, obio_print); 158 } 159 } 160 161 static char *skiplist[] = { 162 "interrupt-controller", 163 "gpio", 164 "escc-legacy", 165 "timer", 166 "i2c", 167 "power-mgt" 168 }; 169 170 #define N_LIST (sizeof(skiplist) / sizeof(skiplist[0])) 171 172 int 173 obio_print(aux, obio) 174 void *aux; 175 const char *obio; 176 { 177 struct confargs *ca = aux; 178 int i; 179 180 for (i = 0; i < N_LIST; i++) 181 if (strcmp(ca->ca_name, skiplist[i]) == 0) 182 return QUIET; 183 184 if (obio) 185 printf("%s at %s", ca->ca_name, obio); 186 187 if (ca->ca_nreg > 0) 188 printf(" offset 0x%x", ca->ca_reg[0]); 189 190 return UNCONF; 191 } 192