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/* $OpenBSD: maci2c.c,v 1.7 2006/01/09 01:48:17 deraadt Exp $ */
/*
* Copyright (c) 2005 Mark Kettenis
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <dev/i2c/i2cvar.h>
#include <dev/ofw/openfirm.h>
#include <arch/macppc/dev/maci2cvar.h>
void
maciic_scan(struct device *self, struct i2cbus_attach_args *iba, void *aux)
{
int iba_node = *(int *)aux;
extern int iic_print(void *, const char *);
struct i2c_attach_args ia;
char name[32];
u_int32_t reg;
int node;
for (node = OF_child(iba_node); node; node = OF_peer(node)) {
if (OF_getprop(node, "reg", ®, sizeof reg) != sizeof reg &&
OF_getprop(node, "i2c-address", ®, sizeof reg) != sizeof reg)
continue;
ia.ia_tag = iba->iba_tag;
ia.ia_addr = (reg >> 1);
ia.ia_name = NULL;
memset(name, 0, sizeof name);
if (OF_getprop(node, "compatible", &name,
sizeof name) && name[0])
ia.ia_name = name;
if (ia.ia_name == NULL &&
OF_getprop(node, "name", &name,
sizeof name) && name[0]) {
if (strcmp(name, "cereal") == 0)
continue;
ia.ia_name = name;
}
if (ia.ia_name)
config_found(self, &ia, iic_print);
}
}
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