obio.c revision 1.19 1 /* $NetBSD: obio.c,v 1.19 2003/07/15 02:43:30 lukem 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/cdefs.h>
35 __KERNEL_RCSID(0, "$NetBSD: obio.c,v 1.19 2003/07/15 02:43:30 lukem Exp $");
36
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/device.h>
41
42 #include <dev/pci/pcivar.h>
43 #include <dev/pci/pcidevs.h>
44
45 #include <dev/ofw/openfirm.h>
46
47 #include <machine/autoconf.h>
48
49 static void obio_attach __P((struct device *, struct device *, void *));
50 static int obio_match __P((struct device *, struct cfdata *, void *));
51 static int obio_print __P((void *, const char *));
52
53 struct obio_softc {
54 struct device sc_dev;
55 int sc_node;
56 };
57
58
59 CFATTACH_DECL(obio, sizeof(struct obio_softc),
60 obio_match, obio_attach, NULL, NULL);
61
62 int
63 obio_match(parent, cf, aux)
64 struct device *parent;
65 struct cfdata *cf;
66 void *aux;
67 {
68 struct pci_attach_args *pa = aux;
69
70 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_APPLE)
71 switch (PCI_PRODUCT(pa->pa_id)) {
72
73 case PCI_PRODUCT_APPLE_GC:
74 case PCI_PRODUCT_APPLE_OHARE:
75 case PCI_PRODUCT_APPLE_HEATHROW:
76 case PCI_PRODUCT_APPLE_PADDINGTON:
77 case PCI_PRODUCT_APPLE_KEYLARGO:
78 case PCI_PRODUCT_APPLE_PANGEA_MACIO:
79 case PCI_PRODUCT_APPLE_INTREPID:
80 return 1;
81 }
82
83 return 0;
84 }
85
86 /*
87 * Attach all the sub-devices we can find
88 */
89 void
90 obio_attach(parent, self, aux)
91 struct device *parent, *self;
92 void *aux;
93 {
94 struct obio_softc *sc = (struct obio_softc *)self;
95 struct pci_attach_args *pa = aux;
96 struct confargs ca;
97 int node, child, namelen;
98 u_int reg[20];
99 int intr[6];
100 char name[32];
101
102 switch (PCI_PRODUCT(pa->pa_id)) {
103
104 /* XXX should not use name */
105 case PCI_PRODUCT_APPLE_GC:
106 node = OF_finddevice("/bandit/gc");
107 break;
108
109 case PCI_PRODUCT_APPLE_OHARE:
110 node = OF_finddevice("/bandit/ohare");
111 break;
112
113 case PCI_PRODUCT_APPLE_HEATHROW:
114 case PCI_PRODUCT_APPLE_PADDINGTON:
115 case PCI_PRODUCT_APPLE_KEYLARGO:
116 case PCI_PRODUCT_APPLE_PANGEA_MACIO:
117 case PCI_PRODUCT_APPLE_INTREPID:
118 node = OF_finddevice("mac-io");
119 if (node == -1)
120 node = OF_finddevice("/pci/mac-io");
121 break;
122
123 default:
124 printf("obio_attach: unknown obio controller\n");
125 return;
126 }
127
128 sc->sc_node = node;
129
130 if (OF_getprop(node, "assigned-addresses", reg, sizeof(reg)) < 12)
131 return;
132 ca.ca_baseaddr = reg[2];
133
134 printf(": addr 0x%x\n", ca.ca_baseaddr);
135
136 /* Enable CD and microphone sound input. */
137 if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_APPLE_PADDINGTON)
138 out8(ca.ca_baseaddr + 0x37, 0x03);
139
140 for (child = OF_child(node); child; child = OF_peer(child)) {
141 namelen = OF_getprop(child, "name", name, sizeof(name));
142 if (namelen < 0)
143 continue;
144 if (namelen >= sizeof(name))
145 continue;
146
147 name[namelen] = 0;
148 ca.ca_name = name;
149 ca.ca_node = child;
150
151 ca.ca_nreg = OF_getprop(child, "reg", reg, sizeof(reg));
152 ca.ca_nintr = OF_getprop(child, "AAPL,interrupts", intr,
153 sizeof(intr));
154 if (ca.ca_nintr == -1)
155 ca.ca_nintr = OF_getprop(child, "interrupts", intr,
156 sizeof(intr));
157
158 ca.ca_reg = reg;
159 ca.ca_intr = intr;
160
161 config_found(self, &ca, obio_print);
162 }
163 }
164
165 static char *skiplist[] = {
166 "interrupt-controller",
167 "gpio",
168 "escc-legacy",
169 "timer",
170 "i2c",
171 "power-mgt"
172 };
173
174 #define N_LIST (sizeof(skiplist) / sizeof(skiplist[0]))
175
176 int
177 obio_print(aux, obio)
178 void *aux;
179 const char *obio;
180 {
181 struct confargs *ca = aux;
182 int i;
183
184 for (i = 0; i < N_LIST; i++)
185 if (strcmp(ca->ca_name, skiplist[i]) == 0)
186 return QUIET;
187
188 if (obio)
189 aprint_normal("%s at %s", ca->ca_name, obio);
190
191 if (ca->ca_nreg > 0)
192 aprint_normal(" offset 0x%x", ca->ca_reg[0]);
193
194 return UNCONF;
195 }
196