xref: /netbsd/sys/arch/alpha/jensenio/lpt_jensenio.c (revision bf9ec67e)
1 /* $NetBSD: lpt_jensenio.c,v 1.2 2001/07/27 00:25:19 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
40 
41 __KERNEL_RCSID(0, "$NetBSD: lpt_jensenio.c,v 1.2 2001/07/27 00:25:19 thorpej Exp $");
42 
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/ioctl.h>
46 #include <sys/select.h>
47 #include <sys/tty.h>
48 #include <sys/proc.h>
49 #include <sys/user.h>
50 #include <sys/conf.h>
51 #include <sys/file.h>
52 #include <sys/uio.h>
53 #include <sys/kernel.h>
54 #include <sys/syslog.h>
55 #include <sys/types.h>
56 #include <sys/device.h>
57 
58 #include <machine/intr.h>
59 #include <machine/bus.h>
60 
61 #include <dev/ic/lptreg.h>
62 #include <dev/ic/lptvar.h>
63 
64 #include <dev/eisa/eisavar.h>
65 
66 #include <dev/isa/isavar.h>
67 
68 #include <alpha/jensenio/jenseniovar.h>
69 
70 struct lpt_jensenio_softc {
71 	struct lpt_softc sc_lpt;	/* real "lpt" softc */
72 
73 	/* Jensen-specific goo. */
74 	char	sc_vecstr[8];
75 	struct evcnt sc_ev_intr;
76 };
77 
78 int	lpt_jensenio_match(struct device *, struct cfdata *, void *);
79 void	lpt_jensenio_attach(struct device *, struct device *, void *);
80 
81 struct cfattach lpt_jensenio_ca = {
82 	sizeof(struct lpt_jensenio_softc), lpt_jensenio_match,
83 	    lpt_jensenio_attach
84 };
85 
86 void	lpt_jensenio_intr(void *, u_long);
87 
88 int
89 lpt_jensenio_match(struct device *parent, struct cfdata *match, void *aux)
90 {
91 	struct jensenio_attach_args *ja = aux;
92 
93 	/* Always present. */
94 	if (strcmp(ja->ja_name, match->cf_driver->cd_name) == 0)
95 		return (1);
96 
97 	return (0);
98 }
99 
100 void
101 lpt_jensenio_attach(struct device *parent, struct device *self, void *aux)
102 {
103 	struct lpt_jensenio_softc *jsc = (void *)self;
104 	struct lpt_softc *sc = &jsc->sc_lpt;
105 	struct jensenio_attach_args *ja = aux;
106 
107 	sc->sc_iot = ja->ja_iot;
108 
109 	if (bus_space_map(sc->sc_iot, ja->ja_ioaddr, LPT_NPORTS, 0,
110 	    &sc->sc_ioh) != 0) {
111 		printf(": can't map i/o space\n");
112 		return;
113 	}
114 
115 	printf("\n");
116 
117 	lpt_attach_subr(sc);
118 
119 	scb_set(ja->ja_irq[0], lpt_jensenio_intr, sc);
120 	printf("%s: interrupting at vector 0x%x\n",
121 	    sc->sc_dev.dv_xname, ja->ja_irq[0]);
122 
123 	sprintf(jsc->sc_vecstr, "0x%x", ja->ja_irq[0]);
124 	evcnt_attach_dynamic(&jsc->sc_ev_intr, EVCNT_TYPE_INTR,
125 	    NULL, "vector", jsc->sc_vecstr);
126 }
127 
128 void
129 lpt_jensenio_intr(void *arg, u_long vec)
130 {
131 	struct lpt_jensenio_softc *jsc = arg;
132 
133 	jsc->sc_ev_intr.ev_count++;
134 	(void) lptintr(&jsc->sc_lpt);
135 }
136