lpt_jensenio.c revision 1.8 
1/* $NetBSD: lpt_jensenio.c,v 1.8 2008/03/07 17:15:51 cube 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 1.8 2008/03/07 17:15:51 cube 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	void	*sc_ih;			/* interrupt handler */
75};
76
77int	lpt_jensenio_match(device_t, cfdata_t , void *);
78void	lpt_jensenio_attach(device_t, device_t, void *);
79
80CFATTACH_DECL_NEW(lpt_jensenio, sizeof(struct lpt_jensenio_softc),
81    lpt_jensenio_match, lpt_jensenio_attach, NULL, NULL);
82
83int
84lpt_jensenio_match(device_t parent, cfdata_t match, void *aux)
85{
86	struct jensenio_attach_args *ja = aux;
87
88	/* Always present. */
89	if (strcmp(ja->ja_name, match->cf_name) == 0)
90		return (1);
91
92	return (0);
93}
94
95void
96lpt_jensenio_attach(device_t parent, device_t self, void *aux)
97{
98	struct lpt_jensenio_softc *jsc = device_private(self);
99	struct lpt_softc *sc = &jsc->sc_lpt;
100	struct jensenio_attach_args *ja = aux;
101	const char *intrstr;
102
103	sc->sc_dev = self;
104	sc->sc_iot = ja->ja_iot;
105
106	if (bus_space_map(sc->sc_iot, ja->ja_ioaddr, LPT_NPORTS, 0,
107	    &sc->sc_ioh) != 0) {
108		aprint_error(": can't map i/o space\n");
109		return;
110	}
111
112	aprint_normal("\n");
113	aprint_naive("\n");
114
115	lpt_attach_subr(sc);
116
117	intrstr = eisa_intr_string(ja->ja_ec, ja->ja_irq[0]);
118	jsc->sc_ih = eisa_intr_establish(ja->ja_ec, ja->ja_irq[0],
119	    IST_EDGE, IPL_TTY, lptintr, sc);
120	if (jsc->sc_ih == NULL) {
121		aprint_error_dev(self, "unable to establish interrupt");
122		if (intrstr != NULL)
123			aprint_error(" at %s", intrstr);
124		aprint_error("\n");
125		return;
126	}
127	aprint_normal_dev(self, "interrupting at %s\n", intrstr);
128}
129