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
txioman_match(device_t parent,cfdata_t cf,void * aux)54 txioman_match(device_t parent, cfdata_t cf, void *aux)
55 {
56 return (1);
57 }
58
59 void
txioman_attach(device_t parent,device_t self,void * aux)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
txioman_callback(device_t self)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
txioman_print(void * aux,const char * pnp)81 txioman_print(void *aux, const char *pnp)
82 {
83
84 return (QUIET);
85 }
86
87 void
tx_conf_register_ioman(tx_chipset_tag_t t,struct hpcio_chip * hc)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
tx_conf_reference_ioman(void * ctx,int iochip)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