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      1 /*	$NetBSD: txioman.c,v 1.12 2021/08/07 16:18:54 thorpej Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: txioman.c,v 1.12 2021/08/07 16:18:54 thorpej Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/device.h>
     38 
     39 #include <machine/bus.h>
     40 #include <hpcmips/tx/tx39var.h>
     41 
     42 #include <dev/hpc/hpciovar.h>
     43 
     44 int txioman_match(device_t, cfdata_t, void *);
     45 void txioman_attach(device_t, device_t, void *);
     46 void txioman_callback(device_t);
     47 int txioman_print(void *, const char *);
     48 hpcio_chip_t tx_conf_reference_ioman(void *, int);
     49 
     50 CFATTACH_DECL_NEW(txioman, 0,
     51     txioman_match, txioman_attach, NULL, NULL);
     52 
     53 int
     54 txioman_match(device_t parent, cfdata_t cf, void *aux)
     55 {
     56 	return (1);
     57 }
     58 
     59 void
     60 txioman_attach(device_t parent, device_t self, void *aux)
     61 {
     62 	printf("\n");
     63 
     64 	config_defer(self, txioman_callback);
     65 }
     66 
     67 void
     68 txioman_callback(device_t self)
     69 {
     70 	struct hpcio_attach_args haa;
     71 
     72 	haa.haa_busname = HPCIO_BUSNAME;
     73 	haa.haa_sc = tx_conf_get_tag();
     74 	haa.haa_getchip = tx_conf_reference_ioman;
     75 	haa.haa_iot = 0; /* not needed for TX */
     76 
     77 	config_found(self, &haa, txioman_print, CFARGS_NONE);
     78 }
     79 
     80 int
     81 txioman_print(void *aux, const char *pnp)
     82 {
     83 
     84 	return (QUIET);
     85 }
     86 
     87 void
     88 tx_conf_register_ioman(tx_chipset_tag_t t, struct hpcio_chip *hc)
     89 {
     90 	KASSERT(t == tx_conf_get_tag());
     91 	KASSERT(hc);
     92 
     93 	t->tc_iochip[hc->hc_chipid] = hc;
     94 }
     95 
     96 hpcio_chip_t
     97 tx_conf_reference_ioman(void *ctx, int iochip)
     98 {
     99 	struct tx_chipset_tag *t = tx_conf_get_tag();
    100 	KASSERT(iochip >= 0 && iochip < NTXIO_GROUP);
    101 
    102 	return (t->tc_iochip[iochip]);
    103 }
    104