Annotation of sys/arch/macppc/dev/maci2c.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: maci2c.c,v 1.9 2006/02/14 20:54:45 kettenis Exp $ */
2:
3: /*
4: * Copyright (c) 2005 Mark Kettenis
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/param.h>
20: #include <sys/systm.h>
21: #include <sys/device.h>
22:
23: #define _I2C_PRIVATE
24: #include <dev/i2c/i2cvar.h>
25: #include <dev/ofw/openfirm.h>
26:
27: #include <arch/macppc/dev/maci2cvar.h>
28:
29: void
30: maciic_scan(struct device *self, struct i2cbus_attach_args *iba, void *aux)
31: {
32: int iba_node = *(int *)aux;
33: struct i2c_attach_args ia;
34: char name[32];
35: u_int32_t reg;
36: int node;
37:
38: for (node = OF_child(iba_node); node; node = OF_peer(node)) {
39: if (OF_getprop(node, "reg", ®, sizeof reg) != sizeof reg &&
40: OF_getprop(node, "i2c-address", ®, sizeof reg) != sizeof reg)
41: continue;
42: memset(&ia, 0, sizeof ia);
43: ia.ia_tag = iba->iba_tag;
44: ia.ia_addr = (reg >> 1);
45: memset(name, 0, sizeof name);
46: if (OF_getprop(node, "compatible", &name,
47: sizeof name) && name[0])
48: ia.ia_name = name;
49: if (ia.ia_name == NULL &&
50: OF_getprop(node, "name", &name,
51: sizeof name) && name[0]) {
52: if (strcmp(name, "cereal") == 0)
53: continue;
54: ia.ia_name = name;
55: }
56: /* XXX We should write a real driver for these instead
57: of reaching over from the sound driver that sits on
58: the i2s port. For now hide them. */
59: if (strcmp(name, "deq") == 0 || strcmp(name, "tas3004") == 0)
60: continue;
61: if (ia.ia_name)
62: config_found(self, &ia, iic_print);
63: }
64: }
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