lpt_jensenio.c revision 1.5 
1/* $NetBSD: lpt_jensenio.c,v 1.5 2002/10/02 04:06:38 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 1.5 2002/10/02 04:06:38 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
70struct 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
78int	lpt_jensenio_match(struct device *, struct cfdata *, void *);
79void	lpt_jensenio_attach(struct device *, struct device *, void *);
80
81CFATTACH_DECL(lpt_jensenio, sizeof(struct lpt_jensenio_softc),
82    lpt_jensenio_match, lpt_jensenio_attach, NULL, NULL);
83
84void	lpt_jensenio_intr(void *, u_long);
85
86int
87lpt_jensenio_match(struct device *parent, struct cfdata *match, void *aux)
88{
89	struct jensenio_attach_args *ja = aux;
90
91	/* Always present. */
92	if (strcmp(ja->ja_name, match->cf_name) == 0)
93		return (1);
94
95	return (0);
96}
97
98void
99lpt_jensenio_attach(struct device *parent, struct device *self, void *aux)
100{
101	struct lpt_jensenio_softc *jsc = (void *)self;
102	struct lpt_softc *sc = &jsc->sc_lpt;
103	struct jensenio_attach_args *ja = aux;
104
105	sc->sc_iot = ja->ja_iot;
106
107	if (bus_space_map(sc->sc_iot, ja->ja_ioaddr, LPT_NPORTS, 0,
108	    &sc->sc_ioh) != 0) {
109		printf(": can't map i/o space\n");
110		return;
111	}
112
113	printf("\n");
114
115	lpt_attach_subr(sc);
116
117	scb_set(ja->ja_irq[0], lpt_jensenio_intr, sc);
118	printf("%s: interrupting at vector 0x%x\n",
119	    sc->sc_dev.dv_xname, ja->ja_irq[0]);
120
121	sprintf(jsc->sc_vecstr, "0x%x", ja->ja_irq[0]);
122	evcnt_attach_dynamic(&jsc->sc_ev_intr, EVCNT_TYPE_INTR,
123	    NULL, "vector", jsc->sc_vecstr);
124}
125
126void
127lpt_jensenio_intr(void *arg, u_long vec)
128{
129	struct lpt_jensenio_softc *jsc = arg;
130
131	jsc->sc_ev_intr.ev_count++;
132	(void) lptintr(&jsc->sc_lpt);
133}
134