1/*	$OpenBSD: lpt_ssio.c,v 1.2 2022/03/13 08:04:38 mpi Exp $	*/
2
3/*
4 * Copyright (c) 2007 Mark Kettenis
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19#include <sys/param.h>
20#include <sys/systm.h>
21#include <sys/device.h>
22
23#include <machine/bus.h>
24
25#include <dev/ic/lptreg.h>
26#include <dev/ic/lptvar.h>
27
28#include <hppa/dev/ssiovar.h>
29
30int lpt_ssio_match(struct device *, void *, void *);
31void lpt_ssio_attach(struct device *, struct device *, void *);
32
33const struct cfattach lpt_ssio_ca = {
34	sizeof(struct lpt_softc), lpt_ssio_match, lpt_ssio_attach
35};
36
37int
38lpt_ssio_match(struct device *parent, void *match, void *aux)
39{
40	struct cfdata *cf = match;
41	struct ssio_attach_args *saa = aux;
42
43	if (strcmp(saa->saa_name, "lpt") != 0)
44		return (0);
45
46	/* Check locators. */
47	if (cf->ssiocf_irq != SSIO_UNK_IRQ && cf->ssiocf_irq != saa->saa_irq)
48		return (0);
49
50	return (1);
51}
52
53void
54lpt_ssio_attach(struct device *parent, struct device *self, void *aux)
55{
56	struct lpt_softc *sc = (void *)self;
57	struct ssio_attach_args *saa = aux;
58
59	sc->sc_iot = saa->saa_iot;
60	if (bus_space_map(sc->sc_iot, saa->saa_iobase, LPT_NPORTS,
61	    0, &sc->sc_ioh)) {
62		printf(": cannot map io space\n");
63		return;
64	}
65
66	lpt_attach_common(sc);
67
68	sc->sc_ih = ssio_intr_establish(IPL_TTY, saa->saa_irq,
69	    lptintr, sc, sc->sc_dev.dv_xname);
70}
71