1 /* $NetBSD: lpt_jensenio.c,v 1.14 2021/05/07 16:58:34 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
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> /* RCS ID & Copyright macro defns */
33
34 __KERNEL_RCSID(0, "$NetBSD: lpt_jensenio.c,v 1.14 2021/05/07 16:58:34 thorpej Exp $");
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/ioctl.h>
39 #include <sys/select.h>
40 #include <sys/tty.h>
41 #include <sys/proc.h>
42 #include <sys/conf.h>
43 #include <sys/file.h>
44 #include <sys/uio.h>
45 #include <sys/kernel.h>
46 #include <sys/syslog.h>
47 #include <sys/types.h>
48 #include <sys/device.h>
49
50 #include <machine/intr.h>
51 #include <sys/bus.h>
52
53 #include <dev/ic/lptreg.h>
54 #include <dev/ic/lptvar.h>
55
56 #include <dev/eisa/eisavar.h>
57
58 #include <dev/isa/isavar.h>
59
60 #include <alpha/jensenio/jenseniovar.h>
61
62 struct lpt_jensenio_softc {
63 struct lpt_softc sc_lpt; /* real "lpt" softc */
64
65 /* Jensen-specific goo. */
66 void *sc_ih; /* interrupt handler */
67 };
68
69 static int lpt_jensenio_match(device_t, cfdata_t , void *);
70 static void lpt_jensenio_attach(device_t, device_t, void *);
71
72 CFATTACH_DECL_NEW(lpt_jensenio, sizeof(struct lpt_jensenio_softc),
73 lpt_jensenio_match, lpt_jensenio_attach, NULL, NULL);
74
75 static int
lpt_jensenio_match(device_t parent,cfdata_t match,void * aux)76 lpt_jensenio_match(device_t parent, cfdata_t match, void *aux)
77 {
78 struct jensenio_attach_args *ja = aux;
79
80 /* Always present. */
81 if (strcmp(ja->ja_name, match->cf_name) == 0)
82 return (1);
83
84 return (0);
85 }
86
87 static void
lpt_jensenio_attach(device_t parent,device_t self,void * aux)88 lpt_jensenio_attach(device_t parent, device_t self, void *aux)
89 {
90 struct lpt_jensenio_softc *jsc = device_private(self);
91 struct lpt_softc *sc = &jsc->sc_lpt;
92 struct jensenio_attach_args *ja = aux;
93 const char *intrstr;
94 char buf[64];
95
96 sc->sc_dev = self;
97 sc->sc_iot = ja->ja_iot;
98
99 if (bus_space_map(sc->sc_iot, ja->ja_ioaddr, LPT_NPORTS, 0,
100 &sc->sc_ioh) != 0) {
101 aprint_error(": can't map i/o space\n");
102 return;
103 }
104
105 aprint_normal("\n");
106 aprint_naive("\n");
107
108 lpt_attach_subr(sc);
109
110 intrstr = eisa_intr_string(ja->ja_ec, ja->ja_irq[0],
111 buf, sizeof(buf));
112 jsc->sc_ih = eisa_intr_establish(ja->ja_ec, ja->ja_irq[0],
113 IST_EDGE, IPL_TTY, lptintr, sc);
114 if (jsc->sc_ih == NULL) {
115 aprint_error_dev(self, "unable to establish interrupt");
116 if (intrstr != NULL)
117 aprint_error(" at %s", intrstr);
118 aprint_error("\n");
119 return;
120 }
121 aprint_normal_dev(self, "interrupting at %s\n", intrstr);
122 }
123