NetBSD/sys/arch/hpcmips/tx/txioman.c

110 lines
3.4 KiB
C

/* $NetBSD: txioman.c,v 1.3 2001/06/13 19:09:08 uch Exp $ */
/*-
* Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "opt_tx39_debug.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <machine/bus.h>
#include <hpcmips/tx/tx39var.h>
#include <dev/hpc/hpciovar.h>
int txioman_match(struct device *, struct cfdata *, void *);
void txioman_attach(struct device *, struct device *, void *);
void txioman_callback(struct device *);
int txioman_print(void *, const char *);
hpcio_chip_t tx_conf_reference_ioman(void *, int);
struct cfattach txioman_ca = {
sizeof(struct device), txioman_match, txioman_attach
};
int
txioman_match(struct device *parent, struct cfdata *cf, void *aux)
{
return (1);
}
void
txioman_attach(struct device *parent, struct device *self, void *aux)
{
printf("\n");
config_defer(self, txioman_callback);
}
void
txioman_callback(struct device *self)
{
struct hpcio_attach_args haa;
haa.haa_busname = HPCIO_BUSNAME;
haa.haa_sc = tx_conf_get_tag();
haa.haa_getchip = tx_conf_reference_ioman;
haa.haa_iot = 0; /* not needed for TX */
config_found(self, &haa, txioman_print);
}
int
txioman_print(void *aux, const char *pnp)
{
return (QUIET);
}
void
tx_conf_register_ioman(tx_chipset_tag_t t, struct hpcio_chip *hc)
{
KASSERT(t == tx_conf_get_tag());
KASSERT(hc);
t->tc_iochip[hc->hc_chipid] = hc;
}
hpcio_chip_t
tx_conf_reference_ioman(void *ctx, int iochip)
{
struct tx_chipset_tag *t = tx_conf_get_tag();
KASSERT(iochip >= 0 && iochip < NTXIO_GROUP);
return (t->tc_iochip[iochip]);
}